CN107981617A

CN107981617A - A kind of infant's folding seat

Info

Publication number: CN107981617A
Application number: CN201711197557.9A
Authority: CN
Inventors: 刘韦兵; 蓝正军
Original assignee: Zhongshan City Togyibaby Co Ltd
Current assignee: Zhongshan City Togyibaby Co Ltd
Priority date: 2017-10-18
Filing date: 2017-11-25
Publication date: 2018-05-04
Anticipated expiration: 2037-11-25
Also published as: CN107981617B; CN208709109U

Abstract

A kind of infant's folding seat; including supporting rack and the seat support frame being arranged on supporting rack; support frame as described above includes cross-brace frame and the vertical supporting frame being arranged on cross-brace frame; described seat support frame one end is arranged on vertical supporting frame; a kind of infant's folding seat further includes the first fold mechanism that control seat support frame is drawn close or is unfolded to cross-brace frame and vertical supporting frame, and a kind of infant's folding seat further includes the second fold mechanism that control cross-brace frame is drawn close or is unfolded to vertical supporting frame and seat support frame.The vertical supporting frame includes fixing support rack and the rotary support frame being articulated on fixing support rack, and one end of the seat support frame is connected on rotary support frame.Seat support frame folding is brought on vertical supporting frame by the present invention by the first fold mechanism and the second fold mechanism, so as to maximumlly reduce small product size, consequently facilitating consumer carries and storage.The present invention has the function of rocking chair at the same time.

Description

A kind of infant's folding seat

【Technical field】

The present invention relates to a kind of infant's folding seat, especially one kind can swing infant's folding seat.

【Background technology】

Has there is the infant's folding seat that can be folded in existing market, but they do not have swing function；On the market Also there is the center at some seats and infant that center of rotation overlaps turns folding chair, infant sitting turns in this kind of infant When being rotated in dynamic folding seat, infant is equivalent to around own axis, easily dizziness；These infants turn folding chair at the same time Structure it is not succinct enough, it is inadequate to fold degree, it is impossible to minimize its and store volume, folding operation is not simple and convenient enough.For this reason, have Necessity proposes the technical solution to solve the above problems.

【The content of the invention】

To solve the above problems, the present invention provides a kind of infant's folding seat, infant's folding seat solves Existing infant turns folding the problem of infant is easily dizzy when chair uses；A kind of infant's folding seat of the present invention at the same time It is simple for structure, can maximumlly it be folded, folding operation is easy, can maximumlly reduce the storage volume of product.

The present invention is achieved through the following technical solutions：

A kind of infant's folding seat, including supporting rack 1 and the seat support frame 2 that is arranged on supporting rack 1, its feature exist In：Support frame as described above 1 includes cross-brace frame 11 and the vertical supporting frame 12 being arranged on cross-brace frame 11, the seat 2 one end of supporting rack is arranged on vertical supporting frame 12, a kind of infant's folding seat further include control seat support frame 2 to The first fold mechanism 4 that cross-brace frame 11 and vertical supporting frame 12 are drawn close or be unfolded, a kind of infant's folding seat is also The second fold mechanism 5 drawn close or be unfolded to vertical supporting frame 12 and seat support frame 2 including control cross-brace frame 11；It is described Vertical supporting frame 12 includes fixing support rack 121 and the rotary support frame 122 being articulated on fixing support rack 121, described solid Determine supporting rack 121 to be fixedly connected on cross-brace frame 11, one end of the seat support frame 2 is connected to rotary support frame 122 On；Drive-connecting shaft 100 between the focus point lateral run-out fixing support rack and rotary support frame of seat support frame.

Further limit：The seat support frame 2 includes seat frame 21, and the seat frame 21 includes portions frame 211 and the back of the body Portion's frame 212, a kind of infant's folding seat further include control back frame 212 and are folded or opened with respect to portions frame 211 The 3rd fold mechanism 6.

Further limit：The seat support frame 2 includes seat frame 21 and the branch for being fixedly connected on 21 one end of seat frame Support member 22, the supporting item 22 are articulated on rotary support frame 122, and first fold mechanism 4 includes limitation or allows to support Part 22 relatively rotates the first locking-unlocking device 41 that supporting rack 122 is rotated.

Further limit：First locking-unlocking device 41 includes being arranged on rotary support frame 122, deviation rotation First lock hole 411 in the pivot joint axle center of supporting rack 122 and supporting item 22 and be arranged on it is on supporting item 22, deviate rotate branch The second lock hole 412 pivot joint axle center, being aligned with the first lock hole 411 of support 122 and supporting item 22, first lock Determine tripper 41 and further include the locking spring plate 413 being arranged on rotary support frame 122, the locking spring plate 413 include U-shaped or The shrapnel 4131 of V-arrangement and be arranged on it is on shrapnel 4131, when the first lock hole 411 is aligned with the second lock hole 412 in bullet The lower pin 4132 coordinated at the same time with the first lock hole 411 and the second lock hole 412 of the effect of piece 4131, the first locking unlock Device 41 further includes the promotion pin 4132 being arranged on supporting item 22 and exits the second lock hole 412 and completely into the first locking First button 414 in hole 411.

Further limit：The cross-brace frame 11 includes the first cross-brace being fixedly connected with fixing support rack 121 Frame 111 and the second cross-brace frame 112 being articulated on the first cross-brace frame 111, second fold mechanism 5 include limit System or the second locking-unlocking device 51 for allowing the second cross-brace frame 112 to be rotated relative to the first cross-brace frame 111.

Further limit：Second locking-unlocking device 51 includes being arranged on the first cross-brace frame 111 and the second horizontal stroke To the groove 511 on supporting rack 112, second locking-unlocking device 51, which further includes, is arranged on 111 He of the first cross-brace frame It is in groove 511 on second cross-brace frame 112, can be along the first cross-brace frame 111 and the pivot of the second cross-brace frame 112 The mobile fixture block 513 that spindle line slides laterally, 511 wall of groove are equipped with entering the mobile fixture block 513 in groove 511 The fixture block screens 512 that coordinate, limitation 513 confronting grooves 511 of mobile fixture block rotate, second locking-unlocking device 51 also wrap The mobile fixture block 513 of promotion is included to slide laterally and completely into the second button in the groove 511 to the first cross-brace frame 111 514 and mobile fixture block 513 is promoted to slide laterally so that moving fixture block 513 while being in the first cross-brace frame 111 and second The resetting spring 515 in groove 511 on cross-brace frame 112, the resetting spring 515 are arranged on the first cross-brace frame Between 111 and mobile fixture block 513.

Further limit：Back frame 212 is articulated on portions frame 211, and the 3rd fold mechanism 6 includes limitation or allows The 3rd locking-unlocking device 61 that back frame 212 is rotated relative to portions frame 211.

Further limit：3rd locking-unlocking device 61 includes being arranged on portions frame 211, deviation portions frame 211 and back frame 212 pivot joint axle center screens 611 and be arranged on it is on back frame 212, can coordinate with the screens 611 Bayonet lock 612, the 3rd locking-unlocking device 61 further include pull bayonet lock 612 with respect to back frame 212 move and cause bayonet lock 612 depart from the drawstrings 613 that coordinate with the screens 611 on portions frame 211 and when screens 611 is opposite with bayonet lock 612 and drawstring 613 promote when loosening bayonet lock 612 with respect to back frame 212 move and so that bayonet lock 612 is carried out with the screens 611 on portions frame 211 The spring 614 of cooperation, knob part 615 is articulated with the back frame 212, and the knob part 615 deviates back frame 212 and knob The pivot joint axle center of part 615 is connected with one end of drawstring 613, and the other end of the drawstring 613 is connected with bayonet lock 612.

Further limit：A kind of infant's folding seat, which further includes, is arranged in fixing support rack 121, driving turn Dynamic supporting rack 122 is relatively fixed the Vidacare corp 7 that supporting rack 121 is rotated.

Further limit：The Vidacare corp 7 includes the driving motor 72 being arranged on fixing support rack 121, Drive and be fixedly connected with rotating member 73 on the output shaft of motor 72, be articulated with actuator 74 on rotating member 73, actuator 74 with The pivoting point of rotating member 73 deviates the center of rotation of the rotating member 73, and the other end of the actuator 74 is articulated with swing component 75, swing component articulated section 76,75 other end of swing component and swing component articulated section 76 are equipped with the fixing support rack 121 Pivot joint, the other end of the swing component 75 are also associated with the drive-connecting shaft 100 rotated with its swing, the drive-connecting shaft 100 For one with horizontal plane or into the vertical axis being obliquely installed, the vertical axis upper end is fixed with the rotary support frame 122 to be connected Connect.

Further limit：The vertical supporting frame 12 is single armed 3, and the cross-brace frame 11 is ring-type.

Further limit：One end of the cross-brace frame 11 is arranged on fixing support rack 121, the cross-brace frame 11 other end is free end, and described 2 one end of seat support frame is arranged on rotary support frame 122, the seat support frame 2 The other end is all located at vertical supporting frame 12 for free end and the other end of seat support frame 2 with the other end of cross-brace frame 11 The same side.

Further limit：The seat support frame 2 is articulated on rotary support frame 122 by an at least lateral shaft.

Further limit：First fold mechanism 4 is arranged between seat support frame 2 and rotary support frame 122.

Further limit：The drive-connecting shaft of the fixing support rack 121 and rotary support frame 122 is vertical.

Preferably：One end of the seat support frame 2 is fixed on rotary support frame 122, and described first Fold mechanism 4 is arranged in seat support frame 2.

Further limit：The seat support frame 2 includes fixed frame 231 and rotating turret 232, and the fixed frame 231 is with turning Dynamic supporting rack 122 is fixedly connected, and the rotating turret 232 is articulated on fixed frame 231 by lateral shaft, first fold mechanism 4 are arranged between fixed frame 231 and rotating turret 232.

Preferably：The seat support frame 2 includes seat frame 21 and is fixedly connected on seat frame 21 1 The supporting item 22 at end, the supporting item 22 are articulated on rotary support frame 122, and first fold mechanism 4 includes limitation or permits Perhaps supporting item 22 relatively rotates the first locking-unlocking device 41 that supporting rack 122 is rotated；The cross-brace frame 11 includes The first cross-brace frame 111 being fixedly connected with fixing support rack 121 and be articulated on the first cross-brace frame 111 second Cross-brace frame 112, second fold mechanism 5 include limiting or allow the second cross-brace frame 112 opposite first laterally to prop up The second locking-unlocking device 51 that support 111 is rotated；First locking-unlocking device, 41 and second locking-unlocking device Another locking-unlocking device of linkage of unlocking during 51 any one locking-unlocking device therein unlock or after unlock.

Further limit：A kind of infant's folding seat is further included after the first locking-unlocking device 41 unlocks and supported Part 22 relatively rotates the first linkage of unlocking device of the second locking-unlocking device of linkage of unlocking 51 after supporting rack 122 is rotated 81。

Further limit：The seat support frame 2 includes seat frame 21 and the branch for being fixedly connected on 21 one end of seat frame Support member 22, the supporting item 22 are articulated on rotary support frame 122, and first fold mechanism 4 includes limitation or allows to support Part 22 relatively rotates the first locking-unlocking device 41 that supporting rack 122 is rotated；The cross-brace frame 11 includes and fixation The the first cross-brace frame 111 and the second horizontal branch being articulated on the first cross-brace frame 111 that supporting rack 121 is fixedly connected Support 112, second fold mechanism 5 include limiting or allow 112 opposite first cross-brace frame 111 of the second cross-brace frame The second locking-unlocking device 51 rotated；Back frame 212 is articulated on portions frame 211, and the 3rd fold mechanism 6 includes Limitation or the 3rd locking-unlocking device 61 for allowing back frame 212 to be rotated relative to portions frame 211；The first locking unlock When any one locking-unlocking device in device 41, the second locking-unlocking device 51 and the 3rd locking-unlocking device 61 unlocks Or linkage of unlocking in addition any one or two locking-unlocking devices after unlock.

Further limit：A kind of infant's folding seat is further included after the 3rd locking-unlocking device 61 unlocks and when the back of the body Portion's frame 212 relative to portions frame 211 rotated after the first locking-unlocking device of linkage of unlocking 41 the second linkage of unlocking device 82, A kind of infant's folding seat is further included after the first locking-unlocking device 41 unlocks and supporting item 22 relatively rotates supporting rack 122 rotated after the second locking-unlocking device of linkage of unlocking 51 the first linkage of unlocking device 81.

Further limit：The first linkage of unlocking device 81 include being movably connected on rotary support frame 122 when the And can be opposite under the driving of supporting item 22 after the relative rotation rotation of supporting rack 122 of supporting item 22 after the unlock of one locking-unlocking device 41 The first movable part 811 that rotary support frame 122 moves, first movable part 811 are connected with when supporting item 22 relatively rotates branch Support 122 unlocks the first drawstring 812 of the second locking-unlocking device 51 under the pulling of the first movable part 811 after rotating.

Further limit：First movable part 811 is arranged in rotary support frame 122, on first movable part 811 The prominent protuberance 8111 outside rotary support frame 122 is provided with, is provided with laterally or longitudinally on the rotary support frame 122 The sliding groove being slidably matched with the protuberance 8111, be provided with the supporting item 22 in the seat support frame 2 with it is described prominent Go out portion 8111 cooperation, when supporting item 22 relatively rotate supporting rack 122 rotate after promote the first movable part 811 relatively rotate support For the movement of frame 122 so as to pull the first driver slot 813 of the first drawstring 812, the first linkage of unlocking device 81 further includes setting Between the first movable part 811 and rotary support frame 122 when supporting item 22 relatively rotate supporting rack 122 rotate reset after promote the One movable part 811 is resetted so as to loosen the first spring 814 of first drawstring 812.

Further limit：Second locking-unlocking device 51 includes being connected with first drawstring 812 and movable company The movable lock element 516 being connected on the first cross-brace frame 111, is provided with lock hole on the second cross-brace frame 112 517, be provided with the movable lock element 516 it is coordinating with the lock hole 517 set on the second cross-brace frame 112, With second after the first drawstring 812 is pulled by the first movable part 811 and after movable lock element 516 is pulled by the first drawstring 812 Lock hole 517 on cross-brace frame 112 departs from the stop pin 5161 coordinated, and second locking-unlocking device 51, which further includes, to be set Put and promote movable lock element after the first drawstring 812 loosens between 516 and first cross-brace frame 111 of movable lock element 516 reset and the stop pin 5161 are coordinated with lock hole 517 so that the second cross-brace frame 112 opposite first is horizontal The resetting spring fixed to 111 position of supporting rack.

Further limit：The second linkage of unlocking device 82 be included in be flexibly connected on the portions frame 211 with the back of the body Portion's frame 212 rotates and the second movable part 821 of opposite 211 movement of portions frame relative to portions frame 211, the second linkage of unlocking dress Put 82 further include after the 3rd locking-unlocking device 61 unlocks, back frame 212 relative to portions frame 211 rotated after live second The second drawstring 822 of the first locking-unlocking device 41 is unlocked under the pulling of moving part 821.

Further limit：Second movable part 821 is articulated on portions frame 211, and second movable part 821 deviates it Second drawstring 822 is connected at center of rotation, the back frame 212 is connected with the second movable part 821 and works as 212 phase of back frame The back frame 212 can drive second movable part 821 rotation so as to pull or loosen described the after being rotated to portions frame 211 Two drawstrings 822.

Further limit：First locking-unlocking device 41 includes being arranged on rotary support frame 122, deviation rotation First lock hole 411 in the pivot joint axle center of supporting rack 122 and supporting item 22 and be arranged on it is on supporting item 22, deviate rotate branch The second lock hole 412 pivot joint axle center, being aligned with the first lock hole 411 of support 122 and supporting item 22, first lock Determine tripper 41 and further include the locking spring plate 413 being arranged on rotary support frame 122, the locking spring plate 413 include U-shaped or The shrapnel 4131 of V-arrangement and be arranged on it is on shrapnel 4131, when the first lock hole 411 is aligned with the second lock hole 412 in bullet The lower pin 4132 coordinated at the same time with the first lock hole 411 and the second lock hole 412 of the effect of piece 4131, the first locking unlock Device 41 further includes the rotation unlock piece being connected with second drawstring being articulated on rotary support frame 122 or supporting item 22 415, described rotate is provided with unlock piece 415 when rotation unlock piece 415 is by the pulling of the second drawstring, relative rotation supporting rack 122 The pin 4132 is promoted to exit the second lock hole 412 after rotation so that the pushing part of the first locking-unlocking device 41 unlock 4150。

Further limit：It is described to rotate unlock piece 415 with the drive-connecting shaft of rotary support frame 122 to be horizontal, it is described to rotate solution Latch fitting 415 includes lateral member 4151 and the first vertical member 4152 up extended for being arranged on 4151 one end of lateral member and sets horizontal To the second vertical member 4153 down extended of 4151 other end of part, the pushing part 4150 is to be arranged on the second vertical member 4153 On guiding surface, the lateral member 4151 is articulated on rotary support frame 122 or supporting item 22, second drawstring 822 with First vertical member 4152 connects.

Further limit：The rotary support frame 122 is equipped with the movable part groove 123 coordinated with the first movable part 811, institute The first movable part 811 is stated to be arranged in moving member groove 123 and slide vertically in moving member groove 123.

Preferably：The seat support frame 2 includes seat frame 21, and the middle part of seat frame 21 is connected with seat Position frame supporting item 23, the seat frame supporting item 23 is connected in seat frame foldable base 24, and the seat support frame 2, which further includes, prolongs Part 25 is stretched, one end of the extension 25 is articulated in seat frame foldable base 24, and 25 other end of extension is connected to rotation On supporting rack 122, the drive-connecting shaft lateral run-out fixing support rack and rotary support frame of seat frame foldable base 24 and extension 25 it Between drive-connecting shaft 100, set restricted between the seat frame foldable base 24 and extension 25 or allow seat frame foldable base 24 The 4th locking-unlocking device 91 rotated relative to extension 25.

Further limit：One end of the extension 25 is provided with the first support base 251, the other end of the extension 25 The second support base 252 is provided with, extension rod 253 is connected between 251 and second support base 252 of the first support base, it is described Seat frame foldable base 24 is pivotally connected with the first support base 251, and the rotary support frame 122 is pivotally connected with the second support base 252.

Further limit：The seat frame foldable base 24 includes fixed fold seat 241 and is articulated on fixed fold seat 241 Turn folding seat 242, the seat frame supporting item 23, which is fixedly connected on, to be turned folding on seat 242.

Further limit：First fold mechanism 4 includes limiting or allows the second support base 252 to relatively rotate supporting rack 122 the first locking-unlocking devices 41 rotated, the cross-brace frame 11 include what is be fixedly connected with fixing support rack 121 First cross-brace frame 111 and the second cross-brace frame 112 being articulated on the first cross-brace frame 111, second folding Folded mechanism 5 includes limiting or allows the second locking that the second cross-brace frame 112 is rotated relative to the first cross-brace frame 111 Tripper 51.

Further limit：In first locking-unlocking device 41, the second locking-unlocking device 51, the 4th locking-unlocking device 91 One of locking-unlocking device unlock when or unlock after the other one or more locking-unlocking devices of linkage of unlocking.

Further limit：A kind of infant's folding seat further includes after the 4th locking-unlocking device 91 unlocks and seat Frame foldable base 24 relative to the first support base 251 rotated after the first locking-unlocking device of linkage of unlocking 41 the 3rd linkage 83, a kind of infant's folding seat further includes after first locking-unlocking device 41 unlocks and 252 phase of the second support base First linkage of unlocking device 81 of the second locking-unlocking device of linkage of unlocking 51 after being rotated to rotary support frame 122.

Further limit：The seat frame 21 includes portions frame 211 and back frame 212, and a kind of infant folds Chair further includes the 3rd that control back frame 212 and/or 211 relative thereto frame supporting item 23 of portions frame are folded or opened and folds Mechanism 6, back frame 212 and portions frame 211 are articulated on seat frame supporting item 23, the 3rd fold mechanism 6 include limitation or The 3rd locking-unlocking device 61 for allowing portions frame 211 and/or 212 relative thereto frame supporting item 23 of back frame to be rotated.

Further limit：When the first locking-unlocking device 41, the second locking-unlocking device 51, the 3rd locking-unlocking device 61st, in the 4th locking-unlocking device 91 one of locking-unlocking device unlock when or unlock after linkage of unlocking it is other one or More than one locking-unlocking device.

Further limit：A kind of infant's folding seat further includes after the 3rd locking-unlocking device 61 unlocks and works as seat The of the 4th locking-unlocking device of linkage of unlocking after portion's frame 211 and/or 212 relative thereto frame supporting item 23 of back frame are rotated Four-axle linkage device 84, a kind of infant's folding seat is further included after the 4th locking-unlocking device 91 unlocks and seat frame folds Seat 24 relative to the first support base 251 rotated after the first locking-unlocking device of linkage of unlocking 41 the 3rd linkage 83, institute State that a kind of infant's folding seat is further included after first locking-unlocking device 41 unlocks and the second support base 252 relatively rotates First linkage of unlocking device 81 of the second locking-unlocking device of linkage of unlocking 51 after supporting rack 122 is rotated.

Further limit：The pivot joint axle center of the portions frame 211 and seat frame supporting item 23 and back frame 212 and seat frame The pivot joint axle center of supporting item 23 overlaps, and the 3rd locking-unlocking device 61 includes being arranged on seat frame supporting item 23, inclined Disseat portion's frame 211 and seat frame supporting item 23 pivot joint axle center screens 611 and be arranged on back frame 212 and/or portions frame Bayonet lock 612 on 211, can coordinating with the screens 611, the 3rd locking-unlocking device 61, which further includes, pulls bayonet lock 612 With respect to back frame 212 or portions frame 211 move and so that bayonet lock 612 with seat frame supporting item 23 screens 611 depart from match somebody with somebody The drawstring 613 of conjunction and the opposite back frame of promotion bayonet lock 612 when screens 611 is opposite with bayonet lock 612 and when drawstring 613 loosens 212 movements and the springs 614 that the screens 611 on bayonet lock 612 and portions frame 211 is coordinated, pivot on the back frame 212 Knob part 615 is connected to, the knob part 615 deviates back frame 212 and the pivot joint axle center for part 615 of shaking hands is connected with drawstring 613 One end, the other end of the drawstring 613 are connected with bayonet lock 612.

Further limit：Four-axle linkage device 84 include be movably connected in it is on seat frame supporting item 23, with back frame 212 Or the 4th movable part 841 that 211 relative thereto frame supporting item 23 of portions frame is rotated and moved, the 4th movable part 841 connect Have when back frame 212 or 211 relative thereto frame supporting item 23 of portions frame rotation after under the pulling of the 4th movable part 841 by the 4th 4th drawstring 842 of locking-unlocking device unlock.

Further limit：4th movable part 841 is articulated on seat frame supporting item 23, the 4th movable part 841 Deviate its center of rotation position and connect the 4th drawstring 842,211 and the 4th movable part 841 of back frame 212 or portions frame Connect and the 4th movable part 841 can be driven to rotate so as to pull or loosen the 4th drawstring 842.

Further limit：The energy that 4th locking-unlocking device 91 includes being arranged in seat frame foldable base 24 is with respect to seat The active moving member 911 of 24 movement of position frame foldable base, on the active moving member 911 connection move with active moving member 911 and Mobile driven moving pin 912, the 4th locking-unlocking device 91 also include set on first support base 251 with The foldable base in pivot joint axle center that the driven moving pin 912 coordinates, deviateing seat frame foldable base 24 and the first support base 251 is locked Determine hole 913, the active moving member 911 is connected with the 4th drawstring 842 and can drive driven shifting under the pulling of the 4th drawstring 842 Dynamic pin 912 departs from the cooperation with the foldable base lock hole 913, between the active mobile dish 911 and seat frame foldable base 24 It is provided with after the 4th drawstring 842 loosens, promotes active moving member 911 to reset so that driven moving pin 912 and foldable base The resetting spring that lock hole 913 is coordinated.

Further limit：The 3rd linkage of unlocking device 83 include being movably connected on the first support base 251 when the After the unlock of four locking-unlocking devices 91 and seat frame foldable base 24 can be in seat frame foldable base after the rotation of the first support base 251 With respect to the 3rd movable part 831 of the first support base 251 movement under 24 driving, the 3rd movable part 831, which is connected with, works as seat Frame foldable base 24 unlocks the first locking-unlocking device after the rotation of the first support base 251 under the pulling of the 3rd movable part 831 41 the 3rd drawstring 832.

Further limit：3rd movable part 831 is arranged in the first support base 251, on the 3rd movable part 831 Prominent the 3rd protuberance 8311 outside the first support base 251 is provided with, is provided with first support base 251 horizontal or vertical To the sliding groove being slidably matched with the 3rd protuberance 8311, be provided with and the described 3rd in the seat frame foldable base 24 Protuberance 8311 coordinate, after seat frame foldable base 24 is rotated relative to first support base 251 promotion the 3rd movable part 831 it is opposite So as to pull the 3rd driver slot 833 of the 3rd drawstring 832, the 3rd linkage 83 further includes the movement of first support base 251 It is arranged between the 3rd movable part 831 and the first support base 251 when seat frame foldable base 24 rotates again relative to the first support base 251 The 3rd movable part 831 is promoted to reset so as to loosen the 3rd spring 834 of the 3rd drawstring 832 behind position.

Further limit：First locking-unlocking device 41 includes being arranged on rotary support frame 122, deviation rotation First lock hole 411 in the pivot joint axle center of 122 and second support base 252 of supporting rack and be arranged on it is on the second support base 252, Deviate the second locking pivot joint axle center, being aligned with the first lock hole 411 of 122 and second support base 252 of rotary support frame Hole 412, first locking-unlocking device 41 further include the locking spring plate 413 being arranged on rotary support frame 122, the locking Shrapnel 413 include the shrapnel 4131 of U-shaped or V-arrangement and be arranged on it is on shrapnel 4131, when the first lock hole 411 is locked with second The pin 4132 coordinated at the same time with the first lock hole 411 and the second lock hole 412 under the effect of shrapnel 4131 when hole 412 is aligned, First locking-unlocking device 41 further include be articulated on 122 or second support base 252 of rotary support frame with the 3rd drawstring The rotation unlock piece 415 of 832 connections, described rotate are provided with unlock piece 415 when rotation unlock piece 415 is by the 3rd drawstring 832 Promote the pin 4132 to exit the second lock hole 412 after pulling, after the relative rotation rotation of supporting rack 122 and cause the first locking The pushing part 4150 that tripper 41 unlocks.

Further limit：The first linkage of unlocking device 81 include being movably connected on rotary support frame 122 when the And can be in the second support base 252 after the relative rotation rotation of supporting rack 122 of the second support base 252 after the unlock of one locking-unlocking device 41 First movable part 811 of lower 122 movement of relative rotation supporting rack of driving, first movable part 811 are connected with when the second support Seat 252 relatively rotates after supporting racks 122 rotate and the of the second locking-unlocking device 51 is unlocked under the pulling of the first movable part 811 One drawstring 812.

Further limit：First movable part 811 is arranged in rotary support frame 122, on first movable part 811 The prominent protuberance 8111 outside rotary support frame 122 is provided with, is provided with laterally or longitudinally on the rotary support frame 122 The sliding groove being slidably matched with the protuberance 8111, is provided with second support base 252 and matches somebody with somebody with the protuberance 8111 Close, when the second support base 252 relatively rotate supporting rack 122 rotate after promote the first movable part 811 relatively rotate supporting rack 122 So as to pull the first driver slot 813 of the first drawstring 812, the first linkage of unlocking device 81, which further includes, is arranged on first for movement Between movable part 811 and rotary support frame 122 when the second support base 252 relatively rotate supporting rack 122 rotate reset after promote the One movable part 811 is resetted so as to loosen the first spring 814 of first drawstring 812.

Further limit：Second locking-unlocking device 51 includes being connected with first drawstring 812 and movable company The movable lock element 516 being connected on the first cross-brace frame 111, is provided with lock hole on the second cross-brace frame 112 517, be provided with the movable lock element 516 it is coordinating with the lock hole 517 set on the second cross-brace frame 112, After the first locking-unlocking device unlocks and after the relative rotation rotation of supporting rack 122 of the second support base 252, in the first drawstring 812 After being pulled by the first movable part 811, movable lock element 516 pulled by the first drawstring 812 after with the second cross-brace frame 112 Second lock hole 517 departs from the stop pin 5161 coordinated, and second locking-unlocking device 51 is further included when the first movable part 811 After reset, the first drawstring 812 promotes the second locking piece 516 to reset and causes second stop pin 5161 and second lock after loosening Determine the resetting spring of the cooperation of hole 517.

Preferably：The seat support frame 2 includes seat frame 21, and the seat frame 21 is articulated in rotation branch On support 122, first fold mechanism includes limiting or allows seat frame 21 to relatively rotate supporting rack 122 is rotated the One locking-unlocking device 41.

Relative to the prior art, it is an advantage of the invention that：

1st, a kind of infant's folding seat of the invention, including supporting rack and the seat support frame that is arranged on supporting rack, its It is characterized in that：Support frame as described above includes cross-brace frame and the vertical supporting frame being arranged on cross-brace frame, the seat Supporting rack one end is arranged on vertical supporting frame, and a kind of infant's folding seat further includes control seat support frame to transverse direction The first fold mechanism that supporting rack and vertical supporting frame are drawn close or be unfolded, it is horizontal that a kind of infant's folding seat further includes control The second fold mechanism drawn close or be unfolded to supporting rack to vertical supporting frame and seat support frame；The vertical supporting frame includes solid Determine supporting rack and the rotary support frame being articulated on fixing support rack, the fixing support rack is fixedly connected on cross-brace frame On, one end of the seat support frame is connected on rotary support frame；Support is fixed in the focus point lateral run-out of seat support frame Drive-connecting shaft between frame and rotary support frame.One end of the seat support frame of the present invention is connected with vertical supporting frame, is directly passed through Whole seat support frame can just be folded and be brought to vertical supporting frame by the first fold mechanism, while cross-brace frame passes through the second folding Folded mechanism, which can fold, is brought to vertical supporting frame, and the present invention is simple for structure, and folding operation is simple and convenient；Rotary support frame can be opposite Fixing support rack is rotated, and one end of seat support frame is connected on rotary support frame, seat support frame of the invention Just can be rotated；Due to the present invention in use, infant is in seat support frame, thus seat of the present invention The center of gravity that the focus point of supporting rack is primarily referred to as infant sitting infant in seat support frame is supported but it is also possible to be seat is referred to The center of gravity of frame in itself.The focus point of seat support frame is the drive-connecting shaft between lateral run-out fixing support rack and rotary support frame, So that seat support frame is relatively fixed when supporting rack carrys out back rotation around the drive-connecting shaft axis oscillating, baby in rotary support frame Child is also to be swung around the drive-connecting shaft when being in seat support frame, so as to solve center and the rotation axis at existing seat The infant that the heart overlaps turns folding the problem of infant is easily dizzy when chair uses.The present invention both possesses swing function, also has There is the advantages of simple for structure, folding operation is simple.

2nd, as a further improvement on the present invention, seat support frame includes seat frame, the seat frame include portions frame and Back frame, a kind of infant's folding seat further include the 3rd folding that control back frame is folded or opened with respect to portions frame Folded mechanism.In order to user take it is comfortable, the seat frame includes portions frame and back frame, and at the same time, the present invention passes through The back frame is folded into portions frame and come up by the 3rd fold mechanism, so as to further reduce the volume of product.

3rd, as a further improvement on the present invention, a kind of infant's folding seat, which further includes, is arranged on fixing support rack Interior, driving rotary support frame is relatively fixed the Vidacare corp that supporting rack is rotated.The present invention is filled by electric drive Putting and carry out electric swinging to drive rotary support frame to be relatively fixed supporting rack so that the present invention becomes a kind of electronic rocking chair, Further enrich the use function of product.

【Brief description of the drawings】

Fig. 1 is the schematic perspective view of the embodiment of the present invention 1.

Fig. 2 is the schematic perspective view after the embodiment of the present invention 1 folds.

Fig. 3 is the parts explosive view of the embodiment of the present invention 1.

Fig. 4 is enlarged diagram at the A of Fig. 3.

Fig. 5 is enlarged diagram at the B of Fig. 3.

Fig. 6 is the partial sectional view of the embodiment of the present invention 1.

Fig. 7 is the enlarged diagram at the C of Fig. 6.

Fig. 8 is the enlarged diagram at the D of Fig. 6.

Fig. 9 is the enlarged diagram at the E of Fig. 6.

Figure 10 is the front view of the embodiment of the present invention 2.

Figure 11 is the front view after the embodiment of the present invention 2 folds.

Figure 12 is the schematic perspective view of the embodiment of the present invention 3.

Figure 13 is the schematic perspective view after the embodiment of the present invention 3 folds.

Figure 14 is the parts explosive view of the embodiment of the present invention 3.

Figure 15 is the enlarged diagram at the F of Figure 14 of the present invention.

Figure 16 is the partial sectional view of the embodiment of the present invention 3.

Figure 17 is the enlarged diagram at the G of Figure 16.

Figure 18 is the enlarged diagram at the H of Figure 16.

Figure 19 is the enlarged diagram at the I of Figure 16.

Figure 20 is the fragmentary, perspective view of the supporting item in the embodiment of the present invention 3.

Figure 21 is the signal of the rotary support frame, the first movable part, the first spring, locking spring plate in the embodiment of the present invention 3 Figure.

Figure 22 is the schematic perspective view of the embodiment of the present invention 4.

Figure 23 is the schematic perspective view after the embodiment of the present invention 4 folds.

Figure 24 is the parts explosive view of the embodiment of the present invention 4.

Figure 25 is the partial sectional view of the embodiment of the present invention 4.

Figure 26 is the enlarged diagram at the J of Figure 25.

Figure 27 is the enlarged diagram at the K of Figure 25.

Figure 28 is the enlarged diagram at the L of Figure 25.

Figure 29 is the enlarged diagram at the M of Figure 25.

Figure 30 is the enlarged diagram at the N of Figure 25.

Figure 31 is the schematic diagram of the fixed fold seat in the seat frame foldable base of the embodiment of the present invention 4.

Figure 32 is the schematic diagram of the extension of the embodiment of the present invention 4.

Figure 33 is the schematic perspective view of the embodiment of the present invention 5.

【Embodiment】

1 to 33 the present invention is described further below in conjunction with the accompanying drawings.

Embodiment 1：

Referring to Fig. 1 to Fig. 9.

A kind of infant's folding seat of the present invention, including supporting rack 1 and the seat support frame 2 that is arranged on supporting rack 1, its It is characterized in that：Support frame as described above 1 includes cross-brace frame 11 and the vertical supporting frame 12 being arranged on cross-brace frame 11, institute State 2 one end of seat support frame to be arranged on vertical supporting frame 12, a kind of infant's folding seat further includes control seat branch The first fold mechanism 4 that support 2 is drawn close or is unfolded to cross-brace frame 11 and vertical supporting frame 12, a kind of infant folding Folding chair further includes the second fold mechanism that control cross-brace frame 11 is drawn close or is unfolded to vertical supporting frame 12 and seat support frame 2 5；The vertical supporting frame 12 includes fixing support rack 121 and the rotary support frame 122 being articulated on fixing support rack 121, The fixing support rack 121 is fixedly connected on cross-brace frame 11, and one end of the seat support frame 2 is connected to rotational support On frame 122；Drive-connecting shaft 100 between the focus point lateral run-out fixing support rack and rotary support frame of seat support frame.This hair One end of bright seat support frame 2 is connected with vertical supporting frame, directly can just be supported whole seat by the first fold mechanism 4 Frame 2 folds and is brought to vertical supporting frame 12, while cross-brace frame 11 can be folded by the second fold mechanism 5 and be brought to vertical branch Support 12, the present invention is simple for structure, and folding operation is simple and convenient；Rotary support frame 122 can be relatively fixed 121 turns of supporting rack Dynamic, one end of seat support frame 2 is connected on rotary support frame 122, and seat support frame 2 of the invention just can be turned It is dynamic；Due to the present invention in use, infant is in seat support frame 2, thus seat support frame of the present invention 2 Focus point is primarily referred to as the center of gravity of infant when infant is in seat support frame 2 but it is also possible to be finger seat support frame 2 itself Center of gravity.Drive-connecting shaft 100 between the focus point lateral run-out fixing support rack and rotary support frame of seat support frame 2, so that So that seat support frame 2 is relatively fixed when supporting rack 121 carrys out back rotation around 100 axis of drive-connecting shaft in rotary support frame 122 Swing, infant is also to be swung around the drive-connecting shaft when being in seat support frame, so as to solve the center at existing seat The infant overlapped with center of rotation turns folding the problem of infant is easily dizzy when chair uses.The present invention, which both possessed, waves work( Can, it may have it is simple for structure, folding operation is simple the advantages of.

The seat support frame 2 includes seat frame 21, and the seat frame 21 includes portions frame 211 and back frame 212, described A kind of infant's folding seat further include control back frame 212 with respect to the 3rd folding machine that portions frame 211 is folded or opened Structure 6.In order to user take it is comfortable, the seat frame 21 includes portions frame 211 and back frame 212.The portions frame 211 is used To support user, the back frame 212 is giving user back to provide dependence.At the same time, the present embodiment passes through the 3rd Fold mechanism 6 folds to the back frame 212 on portions frame 211 or by stretching structure come 212 portions of back frame Frame 211 carry out it is overlapping, so as to further reduce the volume of product.

Further preferably：First fold mechanism 4 is arranged between seat support frame 2 and rotary support frame 122.

Further preferably：The seat support frame 2 is articulated on rotary support frame 122 by an at least lateral shaft.Institute Stating seat support frame 2 can down fold and be drawn close to vertical supporting frame so that the volume smaller after folding.

Further：The vertical supporting frame 12 is single armed 3, and the cross-brace frame 11 is ring-type.

It is the decision design for the function of realizing first fold mechanism below：

The seat support frame 2 includes seat frame 21 and the supporting item 22 for being fixedly connected on 21 one end of seat frame, described Supporting item 22 is articulated on rotary support frame 122, and first fold mechanism 4 includes limiting or allows supporting item 22 to relatively rotate The first locking-unlocking device 41 that supporting rack 122 is rotated.When the first locking-unlocking device 41 is in the lock state, support Part 22 relatively rotates supporting rack 122 and cannot rotate；When the first locking-unlocking device 41 is in the unlocked state, it is allowed to supporting item 22 Supporting rack 122 is relatively rotated to rotate.

Further：First locking-unlocking device 41 includes being arranged on rotary support frame 122, deviation rotation branch First lock hole 411 in the pivot joint axle center of support 122 and supporting item 22 and be arranged on it is on supporting item 22, deviate rotational support The second lock hole 412 pivot joint axle center, being aligned with the first lock hole 411 of frame 122 and supporting item 22, first locking Tripper 41 further includes the locking spring plate 413 being arranged on rotary support frame 122, and the locking spring plate 413 includes U-shaped or V The shrapnel 4131 of shape and be arranged on it is on shrapnel 4131, when the first lock hole 411 is aligned with the second lock hole 412 in shrapnel The lower pin 4132 coordinated at the same time with the first lock hole 411 and the second lock hole 412 of 4131 effects, the first locking unlock dress Put 41 and further include the promotion pin 4132 being arranged on supporting item 22 and exit the second lock hole 412 and completely into the first lock hole 411 the first button 414.

When a kind of infant's folding seat of the present invention is in open mode, the pin 4132 on the locking spring plate 413 At the same time in the second lock hole 412 on the first lock hole 411 and supporting item 22 on the rotary support frame 122, at this time first Locking-unlocking device 41 is in the lock state.Since the first lock hole 411 and the second lock hole 412 all deviate rotary support frame 122 and the pivot joint axle center of supporting item 22, thus supporting item 22 and the relative position of rotary support frame 122 are fixed, due to seat frame 21 one end is fixedly connected with supporting item 22, thus seat frame 21 and the relative position of rotary support frame 122 are fixed.When needing to roll over During folded seat frame 21, the first button 414 is pressed, the first button 414 promotes the pin 4132 on locking spring plate 413 to move inside simultaneously So that the pin 4132 completely into the first lock hole 411 on rotary support frame 122 and with supporting item 22 Two lock holes 412, which depart from, to be coordinated, and the first locking-unlocking device 41 is in the unlocked state at this time, the supporting item 22 and one end and its The seat frame 21 being fixedly connected around the pivot joint axis of supporting item 22 and rotary support frame 122 can turn folding until seat Frame 21 is brought on vertical supporting frame 12 completely.When the seat frame 21 of the present invention is transformed into open mode from folded state, when After rotatable support 22 resets, the first lock hole 411 and the second lock hole 412 are aligned, and the pin 4132 on locking spring plate 413 exists The first lock hole 411 and the second lock hole 412 are reentered under the elastic force effect of shrapnel 4131 and is coordinated with them, thus is supported Part 22 and seat frame 21 and the relative position of rotary support frame 122 are fixed.

It is the decision design of second fold mechanism below：

The cross-brace frame 11 includes the first cross-brace frame 111 and pivot being fixedly connected with fixing support rack 121 The second cross-brace frame 112 being connected on the first cross-brace frame 111, second fold mechanism 5 include limitation or allow the The second locking-unlocking device 51 that two cross-brace framves 112 are rotated relative to the first cross-brace frame 111.When the second locking solution When locking device 51 is in the lock state, the second cross-brace frame 112 cannot be rotated relative to the first cross-brace frame 111；When second When locking-unlocking device 51 is in the unlocked state, it is allowed to which the second cross-brace frame 112 is rotated relative to the first cross-brace frame 111.

Further：Second locking-unlocking device 51 is horizontal including being arranged on the first cross-brace frame 111 and second Groove 511 on supporting rack 112, second locking-unlocking device 51, which further includes, is arranged on the first cross-brace frame 111 and It is in groove 511 on two cross-brace framves 112, can be along the pivot joint of the first cross-brace frame 111 and the second cross-brace frame 112 The mobile fixture block 513 that axis slides laterally, 511 wall of groove is equipped with matches somebody with somebody with the mobile fixture block 513 entered in groove 511 The fixture block screens 512 that close, limitation 513 confronting grooves 511 of mobile fixture block rotate, second locking-unlocking device 51 further include Mobile fixture block 513 is promoted to slide laterally and completely into the second button 514 in the groove 511 to the first cross-brace frame 111 And promote mobile fixture block 513 to slide laterally so that mobile fixture block 513 to be in the first cross-brace frame 111 and second at the same time horizontal The resetting spring 515 in groove 511 on supporting rack 112, the resetting spring 515 be arranged on the first cross-brace frame 111 with Between mobile fixture block 513.

When a kind of infant's folding seat of the present invention is in open mode, the mobile fixture block 513 is in resetting spring 515 Effect it is lower at the same time in the groove 511 on the first cross-brace frame 111 and the second cross-brace frame 112 and with the groove Fixture block screens 512 on 511 walls is coordinated, and the second locking-unlocking device 51 is in the lock state at this time.Due to fixture block screens 512 limit the rotation of mobile 513 confronting grooves 511 of fixture block, thus horizontal in the first cross-brace frame 111 and second at the same time The mobile fixture block 513 in groove 511 on supporting rack 112 limits the first cross-brace frame 111 and the second cross-brace frame 112 Between relative rotation.When need by the second cross-brace frame 112 fold be brought on vertical supporting frame 12 when, pin second by Key 514, mobile fixture block 513 are pushed completely into the groove 511 on the first cross-brace frame 111 by the second button 514, and second is horizontal Depart to the fixture block screens 512 on the groove 511 and its wall of supporting rack 112 with mobile fixture block 513 and coordinate, at this time the second locking solution Locking device 51 is in the unlocked state, thus the second cross-brace frame 112 can carry out rotation folding relative to the first cross-brace frame 111 Folded and folding completely is brought on vertical supporting frame 12.

It is the decision design of the 3rd fold mechanism below：

Back frame 212 is articulated on portions frame 211, and the 3rd fold mechanism 6 includes limiting or allowing 212 phase of back frame The 3rd locking-unlocking device 61 rotated to portions frame 211.When the 3rd locking-unlocking device 61 is in the lock state, the back of the body Portion's frame 212 cannot be rotated relative to portions frame 211；When the 3rd locking-unlocking device 61 is in the unlocked state, it is allowed to back frame 212 Rotated relative to portions frame 211.

Further：3rd locking-unlocking device 61 includes being arranged on portions frame 211, deviation portions frame 211 Screens 611 with the pivot joint axle center of back frame 212 and it is arranged on card on back frame 212, can coordinating with the screens 611 Pin 612, the 3rd locking-unlocking device 61 further include pull bayonet lock 612 with respect to back frame 212 move and cause bayonet lock 612 with Screens 611 on portions frame 211 departs from the drawstring 613 that coordinates and when screens 611 is opposite with bayonet lock 612 and drawstring 613 is put Bayonet lock 612 is promoted to be moved with respect to back frame 212 and cause what the screens 611 on bayonet lock 612 and portions frame 211 was coordinated when loose Spring 614, knob part 615 is articulated with the back frame 212, and the knob part 615 deviates back frame 212 and knob part 615 Pivot joint axle center be connected with one end of drawstring 613, the other end of the drawstring 613 is connected with bayonet lock 612.

When being in open mode on seat frame 21, back frame 212 and portions frame 211 are angled, the back frame Bayonet lock 612 on 212 cooperates with the screens 611 on the portions frame 211 under the effect of spring 614, the 3rd locking at this time Tripper 61 is in the lock state, since the screens 611 deviates the pivot joint axle center of portions frame 211 and back frame 212, thus Back frame 212 and the relative position of portions frame 211 are fixed.When folding back frame 212 with portions frame 211, knob part is pulled 615, drawstring 613 is by 612 pull-up of bayonet lock and causes the bayonet lock 612 to depart from cooperation with the screens 611, at this time the 3rd locking solution Locking device 61 is in the unlocked state, thus back frame 212 can be turned folding with respect to portions frame 211.Carried on the back when reopening When the bayonet lock 612 on back frame 212 during portion's frame 212, after rotation is again opposite with the screens 611 on the portions frame 211, card Pin 612 coordinates with the screens 611 on portions frame 211 again under the effect of spring 614, thus back frame 212 and portions frame 211 Relative position is fixed again, and seat frame 21 is in open mode again.

A kind of infant's folding seat, which further includes, is arranged in fixing support rack 121, driving rotary support frame 122 It is relatively fixed the Vidacare corp 7 that supporting rack 121 is rotated.Driving rotary support frame 122 is gone by Vidacare corp 7 It is relatively fixed supporting rack 121 to be rotated, removes swing seat supporting rack 2 without manpower so that the present embodiment is further modified to Electric rocking chair.

It is the decision design of the Vidacare corp 7 below：

The Vidacare corp 7 includes the driving motor 72 being arranged on fixing support rack 121, in driving motor 72 Rotating member 73 is fixedly connected with output shaft, actuator 74, the pivot of actuator 74 and rotating member 73 are articulated with rotating member 73 Contact deviates the center of rotation of the rotating member 73, and the other end of the actuator 74 is articulated with swing component 75, in the fixation Supporting rack 121 is equipped with swing component articulated section 76, and 75 other end of swing component is pivotally connected with swing component articulated section 76, the swing The other end of part 75 is also associated with the drive-connecting shaft 100 rotated with its swing, and the drive-connecting shaft 100 hangs down for one with horizontal plane It is fixedly connected directly or with the rotary support frame 122 into the vertical axis being obliquely installed, the vertical axis upper end.The swing component 75 The other end can be directly fixedly connected with rotation axis 71, the other end of swing component 75 can also pass through driving gear set with rotating Axis 71 is attached.The rotating member 73, actuator 74, swing component 75 and fixing support rack 121 form a crank rocker Mechanism, the rotating member 73 are converted into swing component equivalent to crank, swing component 75 equivalent to rocking bar, the circumferential rotation type of rotating member 73 75 oscillating motion, swing component 75 oscillating motion driving rotation axis 71 carry out back rotation so that rotary support frame 122 and with Its seat support frame 2 being fixedly connected is relatively fixed supporting rack 121 and carries out carrying out back rotation, so as to fulfill the function of electric rocking chair.

Further preferably：One end of the cross-brace frame 11 is arranged on fixing support rack 121, the cross-brace frame 11 other end is free end, and described 2 one end of seat support frame is arranged on rotary support frame 122, the seat support frame 2 The other end is all located at vertical supporting frame 12 for free end and the other end of seat support frame 2 with the other end of cross-brace frame 11 The same side.The free end refers to that the end is not attached with other parts.By above-mentioned decision design, the present embodiment makes The volume smaller of used time；The both ends of cross-brace frame 11 are different from respectively positioned at the situation of the both sides of vertical supporting frame 12, here Cross-brace frame 11 extend toward the side of vertical supporting frame 12 in decision design, and when folding only needs folding once；Meanwhile seat The other end of position supporting rack 2 and cross-brace frame 11 is in homonymy, and the present embodiment structure is more stablized.

Further preferably：The drive-connecting shaft of the fixing support rack 121 and rotary support frame 122 is vertical.When the present invention makes Used time, when infant is in seat support frame and when rotary support frame 122 is relatively fixed the rotation of supporting rack 121, infant is Lateral oscillation.Certainly, the drive-connecting shaft of the fixing support rack 121 and rotary support frame 122 can also be horizontal, at this time Infant waves in vertical plane.The above situation should include protection scope of the present invention.

Embodiment 2：

Referring to Figure 10 to Figure 11.

One end of the seat support frame 2 is fixed on rotary support frame 122, and first fold mechanism 4 sets present On the supporting rack 2 of position.

The seat support frame 2 includes fixed frame 231 and rotating turret 232, the fixed frame 231 and rotary support frame 122 It is fixedly connected, the rotating turret 232 is articulated on fixed frame 231 by lateral shaft, and first fold mechanism 4 is arranged on fixation Between frame 231 and rotating turret 232.

Embodiment 2 is a kind of deformation of embodiment 1, should fall into protection scope of the present invention.

Embodiment 3：

Referring to Figure 12 to 21.

The seat support frame 2 includes seat frame 21 and the supporting item 22 for being fixedly connected on 21 one end of seat frame, described Supporting item 22 is articulated on rotary support frame 122, and first fold mechanism 4 includes limiting or allows supporting item 22 to relatively rotate The first locking-unlocking device 41 that supporting rack 122 is rotated；The cross-brace frame 11 includes fixing with fixing support rack 121 First cross-brace frame 111 of connection and the second cross-brace frame 112 being articulated on the first cross-brace frame 111, it is described Second fold mechanism 5 include limiting or allow that the second cross-brace frame 112 rotated relative to the first cross-brace frame 111 the Two locking-unlocking devices 51；Described first locking-unlocking device, 41 and second locking-unlocking device, 51 any one locking therein Linkage of unlocking another locking-unlocking device when tripper unlocks or after unlock.By the design of this linkage of unlocking, can save Save number of operations so that the folding operation of the present embodiment is easier.

Further preferably：A kind of infant's folding seat is further included after the first locking-unlocking device 41 unlocks and supported Part 22 relatively rotates the first linkage of unlocking device of the second locking-unlocking device of linkage of unlocking 51 after supporting rack 122 is rotated 81.By above-mentioned design, the present embodiment first unlocks the first locking-unlocking device 41 and carries out supporting item 22 and seat support frame 2 Turn folding with regard to the second locking-unlocking device 51 can be unlocked, so that last the second cross-brace of folding frame 112 again, this linkage folding Folded mode is folded all parts successively, and folding process more succinctly facilitates and safety and stability.

Further preferably：The seat support frame 2 includes seat frame 21, and the seat frame 21 includes portions frame 211 and the back of the body Portion's frame 212, a kind of infant's folding seat further include control back frame 212 and are folded or opened with respect to portions frame 211 The 3rd fold mechanism 6.Back frame 212 is folded with respect to portions frame 211 by the 3rd fold mechanism so that the present embodiment Volume after folding smaller.Of course, it is possible to by stretching structure come 212 portions frame 211 of back frame carry out it is overlapping come reduce production Product volume.

Further preferably：The seat support frame 2 includes seat frame 21 and the branch for being fixedly connected on 21 one end of seat frame Support member 22, the supporting item 22 are articulated on rotary support frame 122, and first fold mechanism 4 includes limitation or allows to support Part 22 relatively rotates the first locking-unlocking device 41 that supporting rack 122 is rotated；The cross-brace frame 11 includes and fixation The the first cross-brace frame 111 and the second horizontal branch being articulated on the first cross-brace frame 111 that supporting rack 121 is fixedly connected Support 112, second fold mechanism 5 include limiting or allow 112 opposite first cross-brace frame 111 of the second cross-brace frame The second locking-unlocking device 51 rotated；Back frame 212 is articulated on portions frame 211, and the 3rd fold mechanism 6 includes Limitation or the 3rd locking-unlocking device 61 for allowing back frame 212 to be rotated relative to portions frame 211；The first locking unlock When any one locking-unlocking device in device 41, the second locking-unlocking device 51 and the 3rd locking-unlocking device 61 unlocks Or linkage of unlocking in addition any one or two locking-unlocking devices after unlock.By the design of this linkage of unlocking, can save Number of operations so that folding operation of the invention is easier.

Further preferably：A kind of infant's folding seat is further included after the 3rd locking-unlocking device 61 unlocks and when the back of the body Portion's frame 212 relative to portions frame 211 rotated after the first locking-unlocking device of linkage of unlocking 41 the second linkage of unlocking device 82, A kind of infant's folding seat is further included after the first locking-unlocking device 41 unlocks and supporting item 22 relatively rotates supporting rack 122 rotated after the second locking-unlocking device of linkage of unlocking 51 the first linkage of unlocking device 81.By above-mentioned decision design, The present invention first unlocks the 3rd locking-unlocking device 61, and back frame 212, which is turned folding with respect to portions frame 211, just can unlock the One locking-unlocking device 41, after the unlock of the first locking-unlocking device 41 and supporting item 22 relatively rotates supporting rack 122 and is rotated Folding just can unlock the second locking-unlocking device 51, after second locking-unlocking device 51 unlocks, by the second cross-brace frame 112 opposite first cross-brace framves 111 are turned folding.By the above process, back frame 212 is with respect to portions frame 211, support Part 22 and seat frame 21 relatively rotate supporting rack 122,111 opposite second cross-brace frame 112 of the first cross-brace frame all carries out Turn folding, this linkage folding mode operation is folded all parts successively, operation more succinct convenient and safety and stability.

First linkage of unlocking device 81 is preferably designed for：The first linkage of unlocking device 81, which includes being movably connected in, to be turned Energy after the first locking-unlocking device 41 unlocks and after the relative rotation rotation of supporting rack 122 of supporting item 22 on dynamic supporting rack 122 The first movable part 811 that supporting rack 122 moves is relatively rotated under the driving of supporting item 22, first movable part 811 is connected with After supporting item 22 relatively rotates the rotation of supporting rack 122 the second locking-unlocking device is unlocked under the pulling of the first movable part 811 51 the first drawstring 812.Supporting item 22 is relatively rotated supporting rack 122 by the first linkage of unlocking device by the first movable part 811 Displacement pass to the first drawstring, the first drawstring removes the second locking-unlocking device 51 of unlock using above-mentioned displacement.

Further limit：First movable part 811 is arranged in rotary support frame 122, on first movable part 811 The prominent protuberance 8111 outside rotary support frame 122 is provided with, is provided with laterally or longitudinally on the rotary support frame 122 The sliding groove being slidably matched with the protuberance 8111, be provided with the supporting item 22 in the seat support frame 2 with it is described prominent Go out portion 8111 cooperation, when supporting item 22 relatively rotate supporting rack 122 rotate after promote the first movable part 811 relatively rotate support For the movement of frame 122 so as to pull the first driver slot 813 of the first drawstring 812, the first linkage of unlocking device 81 further includes setting Between the first movable part 811 and rotary support frame 122 when supporting item 22 relatively rotate supporting rack 122 rotate reset after promote the One movable part 811 is resetted so as to loosen the first spring 814 of first drawstring 812.First driver slot 813 promotes protuberance 8111 and first movable part 811 move, supporting item 22 relatively rotate supporting rack 122 first to rotate could unlock second lock solve Locking device 51, realizes the function of linkage of unlocking successively, and operation during folding is orderly, safe and stable.

Second locking-unlocking device 51 is preferably designed for：Second locking-unlocking device 51 includes drawing with described first Movable lock element 516 that is that rope 812 connects and being movably connected on the first cross-brace frame 111, the second cross-brace frame Lock hole 517 is provided with 112, is provided with the movable lock element 516 and sets on the second cross-brace frame 112 Lock hole 517 coordinate, after the first drawstring 812 is pulled by the first movable part 811 and movable lock element 516 by first draw Rope 812 departs from the stop pin 5161 of cooperation, second locking with the lock hole 517 on the second cross-brace frame 112 after pulling Tripper 51, which further includes the first drawstring 812 of working as being arranged between 516 and first cross-brace frame 111 of movable lock element, to be loosened Promote movable lock element 516 to reset afterwards and the stop pin 5161 and lock hole 517 are coordinated so that the second horizontal branch Support 112 is with respect to the resetting spring that 111 position of the first cross-brace frame is fixed.When stop pin and lock hole coordinate, the second lock Determine tripper to be in the lock state, 112 opposite first cross-brace frame, 111 position of the second cross-brace frame is fixed；Work as locking When pin departs from cooperation with lock hole, the second locking-unlocking device is in the unlocked state, and the second cross-brace frame 112 opposite first is horizontal It can be rotated to supporting rack 111.

Second linkage of unlocking device 82 is preferably designed for：The second linkage of unlocking device 82 is included in the portions frame What is be flexibly connected on 211 rotates and the second movable part of opposite 211 movement of portions frame with back frame 212 relative to portions frame 211 821, the second linkage of unlocking device 82 is further included after the 3rd locking-unlocking device 61 unlocks, back frame 212 is with respect to portions Frame 211 unlocks the second drawstring 822 of the first locking-unlocking device 41 under the pulling of the second movable part 821 after being rotated.The Displacement of the back frame 212 with respect to portions frame 211 is passed to the second drawstring 822 by two movable parts 821, and the second drawstring 822 utilizes Above-mentioned displacement unlocks the first locking-unlocking device 82.

First locking-unlocking device 41 is preferably designed for：First locking-unlocking device 41 includes being arranged on rotation branch First lock hole 411 in pivot joint axle center on support 122, deviateing rotary support frame 122 and supporting item 22 and it is arranged on branch It is in support member 22, deviate rotary support frame 122 and supporting item 22 it is pivot joint axle center, can be aligned with the first lock hole 411 the Two lock holes 412, first locking-unlocking device 41 further include the locking spring plate 413 being arranged on rotary support frame 122, institute State locking spring plate 413 include the shrapnel 4131 of U-shaped or V-arrangement and be arranged on it is on shrapnel 4131, when the first lock hole 411 and the The pin coordinated at the same time with the first lock hole 411 and the second lock hole 412 under the effect of shrapnel 4131 when two lock holes 412 are aligned 4132, first locking-unlocking device 41 further include be articulated on rotary support frame 122 or supporting item 22 with described second The rotation unlock piece 415 of drawstring connection, described rotate are provided with unlock piece 415 when rotation unlock piece 415 is drawn by the second drawstring Dynamic, relative rotation supporting rack 122 promotes the pin 4132 to exit the second lock hole 412 after rotating so that the first locking solution The pushing part 4150 that locking device 41 unlocks.When pin 4132 coordinates with the first lock hole 411 and the second lock hole 412 at the same time, When first locking-unlocking device 41 is in the lock state, supporting item 22 relatively rotates supporting rack 122 and cannot rotate；When pin 4132 When first locking-unlocking device 41 is in the unlocked state when exiting the second lock hole 412, it is allowed to which supporting item 22 relatively rotates support Frame 122 rotates.

Further limit：It is described to rotate unlock piece 415 with the drive-connecting shaft of rotary support frame 122 to be horizontal, it is described to rotate solution Latch fitting 415 includes lateral member 4151 and the first vertical member 4152 up extended for being arranged on 4151 one end of lateral member and sets horizontal To the second vertical member 4153 down extended of 4151 other end of part, the pushing part 4150 is to be arranged on the second vertical member 4153 On guiding surface, the lateral member 4151 is articulated on rotary support frame 122,822 and first vertical member of the second drawstring 4152 connections.

Embodiment 4：

Referring to Figure 22 to Figure 32.

Further preferably：The seat support frame 2 includes seat frame 21, and the middle part of seat frame 21 is connected with seat frame branch Support member 23, the seat frame supporting item 23 are connected in seat frame foldable base 24, and the seat support frame 2 further includes extension 25, one end of the extension 25 is articulated in seat frame foldable base 24, and 25 other end of extension is connected to rotational support On frame 122, between the drive-connecting shaft lateral run-out fixing support rack and rotary support frame of seat frame foldable base 24 and extension 25 Drive-connecting shaft 100, sets restricted or allows seat frame foldable base 24 opposite between the seat frame foldable base 24 and extension 25 The 4th locking-unlocking device 91 that extension 25 is rotated.The middle part connection seat frame supporting item 23 of seat frame 21 so that seat The support of position frame 21 is more stablized；Here extension 25 is so that 21 lateral run-out vertical supporting frame 12 of seat frame, seat frame 21 Positioned at the side of vertical supporting frame 12, when rotary support frame, which is relatively fixed supporting rack, carrys out back rotation, seat frame 21 is around described 100 axis of drive-connecting shaft is swung, and the infant on seat frame is not easy dizziness；4th locking-unlocking device 91 is used for Control seat frame foldable base 24 is turned folding with extension 25, when the 4th locking-unlocking device 91 unlocks, it is allowed to seat frame Foldable base 24 is turned folding with extension 25, when the 4th locking-unlocking device 91 locks, limitation seat frame foldable base 24 with The rotation of extension 25.After seat frame foldable base 24 is turned folding with extension 25,21 folding of seat frame can further be reduced Volume.

Further preferably：One end of the extension 25 is provided with the first support base 251, the other end of the extension 25 The second support base 252 is provided with, extension rod 253 is connected between 251 and second support base 252 of the first support base, it is described Seat frame foldable base 24 is pivotally connected with the first support base 251, and the rotary support frame 122 is pivotally connected with the second support base 252.

Further preferably：The seat frame foldable base 24 includes fixed fold seat 241 and is articulated on fixed fold seat 241 Turn folding seat 242, the seat frame supporting item 23, which is fixedly connected on, to be turned folding on seat 242.Pass through above-mentioned design, seat Frame 21 is relatively fixed the adjustable angle of foldable base 241, when driving rotary support frame, which is relatively fixed supporting rack, carrys out back rotation, seat Frame 21 can have a variety of swingable manners, enrich the use function of the present invention.

The decision design of first fold mechanism, 4 and second fold mechanism 5：First fold mechanism 4 includes limitation Or the second support base 252 is allowed to relatively rotate the first locking-unlocking device 41 that supporting rack 122 is rotated, the cross-brace Frame 11 includes the first cross-brace frame 111 being fixedly connected with fixing support rack 121 and is articulated in the first cross-brace frame 111 On the second cross-brace frame 112, second fold mechanism 5 includes limiting or allows the second cross-brace frame 112 opposite the The second locking-unlocking device 51 that one cross-brace frame 111 is rotated.

Further limit：In first locking-unlocking device 41, the second locking-unlocking device 51, the 4th locking-unlocking device 91 One of locking-unlocking device unlock when or unlock after the other one or more locking-unlocking devices of linkage of unlocking. The present embodiment can reduce number of operations during folding operation so that folding operation is succinct by this linkage of unlocking mode.

Further limit：A kind of infant's folding seat further includes after the 4th locking-unlocking device 91 unlocks and seat Frame foldable base 24 relative to the first support base 251 rotated after the first locking-unlocking device of linkage of unlocking 41 the 3rd linkage 83, a kind of infant's folding seat further includes after first locking-unlocking device 41 unlocks and 252 phase of the second support base First linkage of unlocking device 81 of the second locking-unlocking device of linkage of unlocking 51 after being rotated to rotary support frame 122.Pass through Above-mentioned design, when the present embodiment is folded, first unlocks the 4th locking-unlocking device 91, then by 24 phase of seat frame foldable base First support base 251 is turned folding with regard to the first locking-unlocking device 41 can be unlocked, solved in the first locking-unlocking device 41 After lock, the second support base 252 is relatively rotated into supporting rack 122 and is turned folding with regard to the second locking-unlocking device 51 can be unlocked, After the unlock of second locking-unlocking device 51, just the second cross-brace frame 112 can be rotated relative to the first cross-brace frame 111 Fold.By aforesaid operations, seat frame 21,25 and second cross-brace frame 112 of extension are all folded close to vertical supporting Come on frame 12, and this operation is linkage, and folding operation is convenient.

Further limit：The seat frame 21 includes portions frame 211 and back frame 212, and a kind of infant folds Chair further includes the 3rd that control back frame 212 and/or 211 relative thereto frame supporting item 23 of portions frame are folded or opened and folds Mechanism 6, back frame 212 and portions frame 211 are articulated on seat frame supporting item 23, the 3rd fold mechanism 6 include limitation or The 3rd locking-unlocking device 61 for allowing portions frame 211 and/or 212 relative thereto frame supporting item 23 of back frame to be rotated.It is logical The 3rd fold mechanism 6 is crossed, the present embodiment can be rotated back frame 212 and 211 relative thereto frame supporting item 23 of portions frame Fold so that the present embodiment volume after folding smaller.Of course, it is possible to by stretching structure come 212 portions frame 211 of back frame Carry out overlapping reducing small product size.

Further limit：When the first locking-unlocking device 41, the second locking-unlocking device 51, the 3rd locking-unlocking device 61st, in the 4th locking-unlocking device 91 one of locking-unlocking device unlock when or unlock after linkage of unlocking it is other one or More than one locking-unlocking device.Designed by above-mentioned linkage, reduce number of operations so that the present embodiment folding operation It is more convenient.

Further limit：A kind of infant's folding seat further includes after the 3rd locking-unlocking device 61 unlocks and works as seat The of the 4th locking-unlocking device of linkage of unlocking after portion's frame 211 and/or 212 relative thereto frame supporting item 23 of back frame are rotated Four-axle linkage device 84, a kind of infant's folding seat is further included after the 4th locking-unlocking device 91 unlocks and seat frame folds Seat 24 relative to the first support base 251 rotated after the first locking-unlocking device of linkage of unlocking 41 the 3rd linkage 83, institute State that a kind of infant's folding seat is further included after first locking-unlocking device 41 unlocks and the second support base 252 relatively rotates First linkage of unlocking device 81 of the second locking-unlocking device of linkage of unlocking 51 after supporting rack 122 is rotated.Set by above-mentioned Meter, when the present embodiment is folded, first unlocks the 3rd locking-unlocking device 61, then by portions frame 211 and/or back frame 212 relative thereto frame supporting items 23 turn folding just energy the 4th locking-unlocking device 91 of linkage of unlocking, the 4th locking unlock After device 91 unlocks, seat frame foldable base 24 is turned folding with regard to that can unlock the first locking solution with respect to the first support base 251 Locking device 41, after the unlock of the first locking-unlocking device 41, relatively rotates supporting rack 122 by the second support base 252 and is rotated Fold with regard to the second locking-unlocking device 51 can be unlocked, just can be to the second cross-brace frame after the unlock of the second locking-unlocking device 51 112 opposite first cross-brace framves 111 are turned folding.By aforesaid operations, portions frame 211 and/or back frame 212 are opposite Seat frame supporting item 23 folds, and seat frame 21 is overall, 25 and second cross-brace frame 112 of extension is all folded close to vertical Come on supporting rack 12, volume after folding smaller, and this operation is linkage, and folding operation is convenient.

3rd locking-unlocking device 61 is preferably designed for：The drive-connecting shaft of the portions frame 211 and seat frame supporting item 23 The heart is overlapped with the pivot joint axle center of back frame 212 and seat frame supporting item 23, and the 3rd locking-unlocking device 61 includes being arranged on The screens 611 in pivot joint axle center on seat frame supporting item 23, deviateing portions frame 211 and seat frame supporting item 23 and it is arranged on Bayonet lock 612 on back frame 212 and/or portions frame 211, can coordinating with the screens 611, the 3rd locking-unlocking device 61, which further include pulling bayonet lock 612, moves with respect to back frame 212 or portions frame 211 and causes bayonet lock 612 and seat frame supporting item 23 On screens 611 depart from coordinate drawstring 613 and pushed away when screens 611 is opposite with bayonet lock 612 and when drawstring 613 loosens The spring that dynamic bayonet lock 612 moves with respect to back frame 212 and the screens 611 on bayonet lock 612 and portions frame 211 is coordinated 614, knob part 615 is articulated with the back frame 212, the knob part 615 deviates the pivot of back frame 212 and part 615 of shaking hands The spindle heart is connected with one end of drawstring 613, and the other end of the drawstring 613 is connected with bayonet lock 612.When 611 bayonet lock 612 of screens is matched somebody with somebody During conjunction, back frame 212 or 211 relative thereto frame supporting item 23 of portions frame are fixed, and the 3rd locking-unlocking device is in the lock state； When 611 bayonet lock 612 of screens, which departs from, to be coordinated, back frame 212 or 211 relative thereto frame supporting item 23 of portions frame can rotate, the Three locking-unlocking devices are in the unlocked state；

Four-axle linkage device 84 is preferably designed for：Four-axle linkage device 84 includes being movably connected in seat frame supporting item 23 On, the 4th movable part 841 that rotates and move with back frame 212 or 211 relative thereto frame supporting item 23 of portions frame, described Four movable parts 841 are connected with after back frame 212 or the rotation of 211 relative thereto frame supporting item 23 of portions frame in the 4th movable part The 4th drawstring 842 for unlocking the 4th locking-unlocking device under 841 pulling.Four-axle linkage device 84 passes through the 4th movable part 841 obtain the displacement that back frame 212 or 211 relative thereto frame supporting item 23 of portions frame rotate, and then pass through the 4th drawstring 842 Remove the 4th locking-unlocking device 91 of unlock.

4th locking-unlocking device 91 is preferably designed for：4th locking-unlocking device 91 includes being arranged on seat frame The active moving member 911 that energy relative thereto frame foldable base 24 in foldable base 24 moves, on the active moving member 911 connection with Active moving member 911 moves and mobile driven moving pin 912, and the 4th locking-unlocking device 91 is additionally included in described first Set on support base 251 it is coordinating with the driven moving pin 912, deviate seat frame foldable base 24 and the first support base 251 Pivot joint axle center foldable base lock hole 913, the active moving member 911 is connected with the 4th drawstring 842 and can be in the 4th drawstring Driven moving pin 912 is driven to depart from the cooperation with the foldable base lock hole 913, the active mobile dish 911 under 842 pulling Be provided between seat frame foldable base 24 after the 4th drawstring 842 loosens, promote active moving member 911 to reset so that from The resetting spring that dynamic moving pin 912 is coordinated with foldable base lock hole 913.When driven moving pin 912 and foldable base lock hole During 913 cooperation, seat frame foldable base 24 is fixed with respect to the first support base 251, and the 4th locking-unlocking device 91 is in the lock state； When driven moving pin 912 and foldable base lock hole 913, which depart from, to be coordinated, seat frame foldable base 24 can with respect to the first support base 251 To rotate, the 4th locking-unlocking device 91 is in the unlocked state.

3rd linkage of unlocking device 83 is preferably designed for：The 3rd linkage of unlocking device 83 includes being movably connected in the On one support base 251 after the 4th locking-unlocking device 91 unlocks and seat frame foldable base 24 is with respect to 251 turns of the first support base It can live after dynamic under the driving of seat frame foldable base 24 with respect to the 3rd movable part 831 of the first support base 251 movement, the described 3rd Moving part 831 is connected with to be solved after seat frame foldable base 24 is rotated relative to the first support base 251 under the pulling of the 3rd movable part 831 Lock the 3rd drawstring 832 of the first locking-unlocking device 41.3rd linkage of unlocking device 83 is by the 3rd movable part 831 by seat frame Displacement of the foldable base 24 after the rotation of the first support base 251 is used for driving the 3rd drawstring 832 to go the locking unlock of unlock first Device 41.

First locking-unlocking device 41 is preferably designed for：First locking-unlocking device 41 includes being arranged on rotation branch First lock hole 411 in pivot joint axle center on support 122, deviateing 122 and second support base 252 of rotary support frame and setting It is on the second support base 252, deviate 122 and second support base 252 of rotary support frame pivot joint axle center, can with first locking The second lock hole 412 that hole 411 is aligned, first locking-unlocking device 41, which further includes, to be arranged on rotary support frame 122 Locking spring plate 413, the locking spring plate 413 include the shrapnel 4131 of U-shaped or V-arrangement and be arranged on it is on shrapnel 4131, when the Locked at the same time with the first lock hole 411 and second under the effect of shrapnel 4131 when one lock hole 411 is aligned with the second lock hole 412 The pin 4132 that hole 412 coordinates, first locking-unlocking device 41, which further includes, is articulated in the support of rotary support frame 122 or second The rotation unlock piece 415 being connected with the 3rd drawstring 832 on seat 252, described rotate are provided with unlock piece 415 when rotation unlock Part 415 pulled by the 3rd drawstring 832 after, relatively rotate supporting rack 122 rotate after promote the pin 4132 to exit the second locking Hole 412 and cause the first locking-unlocking device 41 unlock pushing part 4150.When pin 4132 at the same time with the first lock hole 411 and When second lock hole 412 coordinates, when the first locking-unlocking device 41 is in the lock state, the second support base 252 relatively rotates branch Support 122 cannot rotate；When pin 4132 exits the second lock hole 412, the first locking-unlocking device 41 is in the unlocked state When, it is allowed to the second support base 252 relatively rotates supporting rack 122 and rotates.

First linkage of unlocking device 81 is preferably designed for：The first linkage of unlocking device 81 includes being movably connected in rotation On supporting rack 122 after the first locking-unlocking device 41 unlocks and the second support base 252 relatively rotate supporting rack 122 rotate after The first movable part 811 that supporting rack 122 moves, first movable part 811 can be relatively rotated under the driving of the second support base 252 It is connected with and unlocks the second lock after supporting rack 122 rotates under the pulling of the first movable part 811 when the second support base 252 relatively rotates Determine the first drawstring 812 of tripper 51.First linkage of unlocking device 81 is by the first movable part 811 by the second support base 252 The displacement after supporting rack 122 rotates is relatively rotated to be used for unlocking the second locking-unlocking device 51.

Second locking-unlocking device 51 is preferably designed for：Second locking-unlocking device 51 includes and first drawstring 812 movable lock elements 516 that are connecting and being movably connected on the first cross-brace frame 111, the second cross-brace frame 112 On be provided with lock hole 517, the lock with being set on the second cross-brace frame 112 is provided with the movable lock element 516 Determine hole 517 cooperation, after the first locking-unlocking device unlock and the second support base 252 relatively rotate supporting rack 122 rotation after, After the first drawstring 812 is pulled by the first movable part 811, movable lock element 516 pulled by the first drawstring 812 after with second laterally The second lock hole 517 on supporting rack 112 departs from the stop pin 5161 coordinated, and second locking-unlocking device 51, which further includes, works as First movable part 811 reset after, the first drawstring 812 promoted after loosening the second locking piece 516 reset and cause it is described second locking The resetting spring that 5161 and second lock hole 517 of pin coordinates.When stop pin and lock hole coordinate, at the second locking-unlocking device In lock-out state, 112 opposite first cross-brace frame, 111 position of the second cross-brace frame is fixed；When stop pin and lock hole take off During from coordinating, the second locking-unlocking device is in the unlocked state, 112 opposite first cross-brace frame 111 of the second cross-brace frame It can rotate.

Embodiment 5：

Referring to Figure 33.

The seat support frame 2 includes seat frame 21, and the seat frame 21 is articulated on rotary support frame 122, and described One fold mechanism includes limiting or allows seat frame 21 to relatively rotate the first locking-unlocking device that supporting rack 122 is rotated 41。

The cross-brace frame 11 includes the first cross-brace frame 111 and pivot being fixedly connected with fixing support rack 121 The second cross-brace frame 112 being connected on the first cross-brace frame 111, second fold mechanism 5 include limitation or allow the The second locking-unlocking device 51 that two cross-brace framves 112 are rotated relative to the first cross-brace frame 111.

The seat frame 21 includes portions frame 211 and back frame 212, and a kind of infant's folding seat further includes control Back frame 212 is with respect to the 3rd fold mechanism 6 that portions frame 211 is folded or opened.Back frame 212 is articulated in portions frame 211 On, the 3rd fold mechanism 6 includes limiting or allows the 3rd locking solution that back frame 212 is rotated relative to portions frame 211 Locking device 61.

Embodiment 5 is a kind of deformation of embodiment 1, and seat support frame mainly includes seat frame 21,21 direct pivot of seat frame It is connected on rotary support frame 122, it is simple for structure.

Embodiment 2 to 5 can use following decision design：A kind of infant's folding seat, which further includes, is arranged on fixation In supporting rack 121, driving rotary support frame 122 is relatively fixed the Vidacare corp 7 that supporting rack 121 is rotated.Pass through Vidacare corp 7 goes driving rotary support frame 122 to be relatively fixed supporting rack 121 and rotated, and swing seat is removed without manpower Supporting rack 2 so that the present embodiment is further modified to electric rocking chair.

Embodiment 1 to 5 only provides the optimal embodiment of the present invention, anyone leads on the basis of technical solution of the present invention Cross and reconfigure or the technical characteristic of the equivalent variations present invention and the embodiment that draws should all fall into the protection of the present invention Scope.

Claims

1. a kind of infant's folding seat, including supporting rack (1) and the seat support frame (2) that is arranged on supporting rack (1), its feature It is：Support frame as described above (1) includes cross-brace frame (11) and the vertical supporting frame being arranged on cross-brace frame (11) (12), described seat support frame (2) one end is arranged on vertical supporting frame (12), and a kind of infant's folding seat further includes The first fold mechanism (4) that control seat support frame (2) is drawn close or is unfolded to cross-brace frame (11) and vertical supporting frame (12), A kind of infant's folding seat further includes control cross-brace frame (11) to vertical supporting frame (12) and seat support frame (2) The second fold mechanism (5) drawn close or be unfolded；The vertical supporting frame (12) includes fixing support rack (121) and is articulated in solid Determine the rotary support frame (122) on supporting rack (121), the fixing support rack (121) is fixedly connected on cross-brace frame (11) On, one end of the seat support frame (2) is connected on rotary support frame (122)；The focus point lateral run-out of seat support frame Drive-connecting shaft (100) between fixing support rack and rotary support frame.

A kind of 2. infant's folding seat according to claim 1, it is characterised in that：The seat support frame (2) includes seat Position frame (21), the seat frame (21) include portions frame (211) and back frame (212), and a kind of infant's folding seat is also Including control back frame (212) with respect to the 3rd fold mechanism (6) that portions frame (211) is folded or opened.

A kind of 3. infant's folding seat according to claim 1, it is characterised in that：The seat support frame (2) includes seat Position frame (21) and the supporting item (22) for being fixedly connected on seat frame (21) one end, the supporting item (22) are articulated in rotational support On frame (122), first fold mechanism (4), which includes limiting or allows supporting item (22) to relatively rotate supporting rack (122), to carry out The first locking-unlocking device (41) rotated.

A kind of 4. infant's folding seat according to claim 3, it is characterised in that：First locking-unlocking device (41) First including being arranged on pivot joint axle center on rotary support frame (122), deviateing rotary support frame (122) and supporting item (22) Lock hole (411) and the pivot joint axle center for being arranged on supporting item (22), deviation rotary support frame (122) and supporting item (22) , the second lock hole (412) that can be aligned with the first lock hole (411), first locking-unlocking device (41), which further includes, to be set The locking spring plate (413) on rotary support frame (122) is put, the locking spring plate (413) includes the shrapnel of U-shaped or V-arrangement (4131) and be arranged on it is on shrapnel (4131), when the first lock hole (411) is aligned with the second lock hole (412) in shrapnel (4131) the lower pin (4132) coordinated at the same time with the first lock hole (411) and the second lock hole (412) of effect, first lock Determine tripper (41) and further include the promotion pin (4132) being arranged on supporting item (22) to exit the second lock hole (412) and complete Complete the first button (414) for entering the first lock hole (411).

A kind of 5. infant's folding seat according to claim 1, it is characterised in that：The cross-brace frame (11) include with The the first cross-brace frame (111) and be articulated on the first cross-brace frame (111) that fixing support rack (121) is fixedly connected Second cross-brace frame (112), second fold mechanism (5) include limiting or allow the second cross-brace frame (112) opposite The second locking-unlocking device (51) that first cross-brace frame (111) is rotated.

A kind of 6. infant's folding seat according to claim 5, it is characterised in that：Second locking-unlocking device (51) Including the groove (511) being arranged on the first cross-brace frame (111) and the second cross-brace frame (112), second locking Tripper (51) further includes the groove (511) being arranged on the first cross-brace frame (111) and the second cross-brace frame (112) Mobile fixture block that is interior, being slid laterally along the pivot joint axis of the first cross-brace frame (111) and the second cross-brace frame (112) (513), groove (511) wall is equipped with entering the cooperation of the mobile fixture block (513) in groove (511), limitation movement The fixture block screens (512) that fixture block (513) confronting grooves (511) rotate, second locking-unlocking device (51) further include promotion Mobile fixture block (513) slides laterally and completely into the second button in the groove (511) to the first cross-brace frame (111) (514) and promotion is moved fixture block (513) and is slid laterally so that moving fixture block (513) while being in the first cross-brace frame (111) set with the resetting spring (515) in the groove (511) on the second cross-brace frame (112), the resetting spring (515) Put between the first cross-brace frame (111) and mobile fixture block (513).

A kind of 7. infant's folding seat according to claim 2, it is characterised in that：Back frame (212) is articulated in portions frame (211) on, the 3rd fold mechanism (6) includes limiting or allows what back frame (212) was rotated relative to portions frame (211) 3rd locking-unlocking device (61).

A kind of 8. infant's folding seat according to claim 7, it is characterised in that：3rd locking-unlocking device (61) Including be arranged on it is on portions frame (211), deviate portions frame (211) and back frame (212) be pivotally connected axle center screens (611) with And it is arranged on bayonet lock (612) on back frame (212), can coordinating with the screens (611), the 3rd locking-unlocking device (61) further include and pull bayonet lock (612) to be moved with respect to back frame (212) and cause bayonet lock (612) and the card on portions frame (211) Position (611) departs from the drawstring (613) coordinated and is pushed away when screens (611) is opposite with bayonet lock (612) and when drawstring (613) loosens Dynamic bayonet lock (612) moves with respect to back frame (212) and make it that bayonet lock (612) is matched somebody with somebody with the screens (611) on portions frame (211) The spring (614) of conjunction, knob part (615) is articulated with the back frame (212), and the knob part (615) deviates back frame (212) one end of drawstring (613), the other end and bayonet lock of the drawstring (613) are connected with the pivot joint axle center of knob part (615) (612) connect.

A kind of 9. infant's folding seat according to claim 1, it is characterised in that：A kind of infant's folding seat is also It is relatively fixed supporting rack (121) including being arranged in fixing support rack (121), driving rotary support frame (122) and is rotated Vidacare corp (7).

A kind of 10. infant's folding seat according to claim 9, it is characterised in that：The Vidacare corp (7) includes The driving motor (72) being arranged on fixing support rack (121), rotation is fixedly connected with the output shaft of driving motor (72) Part (73), is articulated with actuator (74) on rotating member (73), described in the pivoting point of actuator (74) and rotating member (73) deviates The center of rotation of rotating member (73), the other end of the actuator (74) is articulated with swing component (75), in the fixing support rack (121) swing component articulated section (76) are equipped with, swing component (75) other end is pivotally connected with swing component articulated section (76), the pendulum The other end of moving part (75) is also associated with its swing and the drive-connecting shaft (100) that is rotated, the drive-connecting shaft (100) for one with Horizontal plane is fixedly connected into the vertical axis being obliquely installed, the vertical axis upper end with the rotary support frame (122).

A kind of 11. infant's folding seat according to claim 1, it is characterised in that：The vertical supporting frame (12) is single Arm (3), the cross-brace frame (11) are ring-type.

A kind of 12. infant's folding seat according to claim 1, it is characterised in that：The one of the cross-brace frame (11) End is arranged on fixing support rack (121), and the other end of the cross-brace frame (11) is free end, the seat support frame (2) one end is arranged on rotary support frame (122), and the other end of the seat support frame (2) is free end and seat support frame (2) other end of the other end and cross-brace frame (11) is all located at the same side of vertical supporting frame (12).

A kind of 13. infant's folding seat according to claim 3, it is characterised in that：The seat support frame (2) is by extremely A few lateral shaft is articulated on rotary support frame (122).

A kind of 14. infant's folding seat according to claim 1, it is characterised in that：First fold mechanism (4) is set Between seat support frame (2) and rotary support frame (122).

A kind of 15. infant's folding seat according to claim 1, it is characterised in that：The fixing support rack (121) is with turning The drive-connecting shaft of dynamic supporting rack (122) is vertical.

A kind of 16. infant's folding seat according to claim 1, it is characterised in that：One end of the seat support frame (2) It is fixed on rotary support frame (122), first fold mechanism (4) is arranged in seat support frame (2).

A kind of 17. infant's folding seat according to claim 16, it is characterised in that：The seat support frame (2) includes Fixed frame (231) and rotating turret (232), the fixed frame (231) are fixedly connected with rotary support frame (122), the rotating turret (232) it is articulated in by lateral shaft on fixed frame (231), first fold mechanism (4) is arranged on fixed frame (231) and rotates Between frame (232).

A kind of 18. infant's folding seat according to claim 1, it is characterised in that：The seat support frame (2) includes seat Position frame (21) and the supporting item (22) for being fixedly connected on seat frame (21) one end, the supporting item (22) are articulated in rotational support On frame (122), first fold mechanism (4), which includes limiting or allows supporting item (22) to relatively rotate supporting rack (122), to carry out The first locking-unlocking device (41) rotated；The cross-brace frame (11) includes what is be fixedly connected with fixing support rack (121) First cross-brace frame (111) and the second cross-brace frame (112) being articulated on the first cross-brace frame (111), it is described Second fold mechanism (5) includes limiting or allows the second cross-brace frame (112) to be turned with respect to the first cross-brace frame (111) Dynamic the second locking-unlocking device (51)；First locking-unlocking device (41) and the second locking-unlocking device (51) are therein Linkage of unlocking another locking-unlocking device when any one locking-unlocking device unlocks or after unlock.

A kind of 19. infant's folding seat according to claim 18, it is characterised in that：A kind of infant's folding seat is also Including after the first locking-unlocking device (41) unlocks and supporting item (22) relatively rotate supporting rack (122) rotated after link Unlock the first linkage of unlocking device (81) of the second locking-unlocking device (51).

A kind of 20. infant's folding seat according to claim 2, it is characterised in that：The seat support frame (2) includes seat Position frame (21) and the supporting item (22) for being fixedly connected on seat frame (21) one end, the supporting item (22) are articulated in rotational support On frame (122), first fold mechanism (4), which includes limiting or allows supporting item (22) to relatively rotate supporting rack (122), to carry out The first locking-unlocking device (41) rotated；The cross-brace frame (11) includes what is be fixedly connected with fixing support rack (121) First cross-brace frame (111) and the second cross-brace frame (112) being articulated on the first cross-brace frame (111), it is described Second fold mechanism (5) includes limiting or allows the second cross-brace frame (112) to be turned with respect to the first cross-brace frame (111) Dynamic the second locking-unlocking device (51)；Back frame (212) is articulated on portions frame (211), the 3rd fold mechanism (6) bag The 3rd locking-unlocking device (61) for including limitation or allowing back frame (212) to be rotated relative to portions frame (211)；Described first Any one locking in locking-unlocking device (41), the second locking-unlocking device (51) and the 3rd locking-unlocking device (61) Linkage of unlocking in addition any one or two locking-unlocking devices when tripper unlocks or after unlock.

A kind of 21. infant's folding seat according to claim 20, it is characterised in that：A kind of infant's folding seat is also Including linking after being rotated after the 3rd locking-unlocking device (61) unlocks and when back frame (212) relative to portions frame (211) Unlock the second linkage of unlocking device (82) of the first locking-unlocking device (41), a kind of infant's folding seat is further included when the After one locking-unlocking device (41) unlock and supporting item (22) relatively rotates linkage of unlocking second after supporting rack (122) is rotated First linkage of unlocking device (81) of locking-unlocking device (51).

A kind of 22. infant's folding seat according to claim 19 or 21, it is characterised in that：The first linkage of unlocking dress Put (81) include be movably connected on rotary support frame (122) after the first locking-unlocking device (41) unlocks and supporting item (22) the of lower relative rotation supporting rack (122) movement can be driven in supporting item (22) by relatively rotating after supporting rack (122) rotates One movable part (811), first movable part (811) are connected with after supporting item (22) relatively rotates supporting rack (122) and rotates The first drawstring (812) of the second locking-unlocking device (51) is unlocked under the pulling of the first movable part (811).

A kind of 23. infant's folding seat according to claim 22, it is characterised in that：First movable part (811) sets Put in the rotary support frame (122), be provided with first movable part (811) prominent in rotary support frame (122) outside prominent Go out portion (8111), being slidably matched with the protuberance (8111) laterally or longitudinally is provided with the rotary support frame (122) Sliding groove, be provided with the supporting item (22) on the seat support frame (2) it is coordinating with the protuberance (8111), work as branch Support member (22) relatively rotate promoted after supporting rack (122) rotates the first movable part (811) relatively rotate supporting rack (122) it is mobile from And the first driver slot (813) of the first drawstring (812) is pulled, the first linkage of unlocking device (81), which further includes, is arranged on first Promoted between movable part (811) and rotary support frame (122) when supporting item (22) is relatively rotated after supporting rack (122) rotates reset First movable part (811) is resetted so as to loosen the first spring (814) of first drawstring (812).

A kind of 24. infant's folding seat according to claim 23, it is characterised in that：Second locking-unlocking device (51) activity locking that is being connected with first drawstring (812) and being movably connected on the first cross-brace frame (111) is included Part (516), is provided with lock hole (517) on the second cross-brace frame (112), is set on the movable lock element (516) Have it is coordinating with the lock hole (517) that is set on the second cross-brace frame (112), lived in the first drawstring (812) by first Moving part (811) pull after and movable lock element (516) by the first drawstring (812) pull after with the second cross-brace frame (112) On lock hole (517) depart from coordinate stop pin (5161), second locking-unlocking device (51), which further includes, is arranged on work It is dynamic to promote movable lock element after the first drawstring (812) loosens between locking piece (516) and the first cross-brace frame (111) (516) reset and the stop pin (5161) is coordinated so that second cross-brace frame (112) phase with lock hole (517) The resetting spring fixed to first cross-brace frame (111) position.

A kind of 25. infant's folding seat according to claim 21, it is characterised in that：The second linkage of unlocking device (82) it is included in being rotated and opposite seat relative to portions frame (211) with back frame (212) of being flexibly connected on the portions frame (211) The second movable part (821) of portion's frame (211) movement, the second linkage of unlocking device (82) are further included when the 3rd locking unlock dress After putting (61) unlock, back frame (212) relative to portions frame (211) rotated after solve under the pulling of the second movable part (821) Lock the second drawstring (822) of the first locking-unlocking device (41).

A kind of 26. infant's folding seat according to claim 25, it is characterised in that：Second movable part (821) pivot It is connected on portions frame (211), second movable part (821), which is deviateed, connects second drawstring (822), institute at its center of rotation Back frame (212) is stated to be connected with the second movable part (821) and back of the body after back frame (212) is rotated relative to portions frame (211) Portion's frame (212) can drive second movable part (821) to rotate so as to pull or loosen second drawstring (822).

A kind of 27. infant's folding seat according to claim 26, it is characterised in that：First locking-unlocking device (41) include being arranged on pivot joint axle center on rotary support frame (122), deviateing rotary support frame (122) and supporting item (22) First lock hole (411) and the pivot joint for being arranged on supporting item (22), deviation rotary support frame (122) and supporting item (22) Axle center, the second lock hole (412) that can be aligned with the first lock hole (411), first locking-unlocking device (41) are also wrapped The locking spring plate (413) being arranged on rotary support frame (122) is included, the locking spring plate (413) includes the shrapnel of U-shaped or V-arrangement (4131) and be arranged on it is on shrapnel (4131), when the first lock hole (411) is aligned with the second lock hole (412) in shrapnel (4131) the lower pin (4132) coordinated at the same time with the first lock hole (411) and the second lock hole (412) of effect, first lock Determine tripper (41) and further include to be articulated in being connected with second drawstring on rotary support frame (122) or supporting item (22) Unlock piece (415) is rotated, is provided with the rotation unlock piece (415) when rotation unlock piece (415) is by the pulling of the second drawstring, phase The pin (4132) is promoted to exit the second lock hole (412) after being rotated to rotary support frame (122) so that the first locking The pushing part (4150) of tripper (41) unlock.

A kind of 28. infant's folding seat according to claim 27, it is characterised in that：It is described rotation unlock piece (415) with The drive-connecting shaft of rotary support frame (122) is laterally, the rotation unlock piece (415) includes lateral member (4151) and is arranged on transverse direction First vertical member (4152) up extended of part (4151) one end and down extending for lateral member (4151) other end is set Second vertical member (4153), the pushing part (4150) are to be arranged on guiding surface in the second vertical member (4153), the horizontal stroke It is articulated in part (4151) on rotary support frame (122) or supporting item (22), second drawstring (822) and the first vertical member (4152) connect.

A kind of 29. infant's folding seat according to claim 23, it is characterised in that：On the rotary support frame (122) Equipped with the movable part groove (123) coordinated with the first movable part (811), first movable part (811) is arranged on moving member groove (123) slid vertically in and in moving member groove (123).

A kind of 30. infant's folding seat according to claim 1, it is characterised in that：The seat support frame (2) includes seat Position frame (21), seat frame (21) middle part are connected with seat frame supporting item (23), and the seat frame supporting item (23) is connected to In seat frame foldable base (24), the seat support frame (2) further includes extension (25), one end pivot joint of the extension (25) In seat frame foldable base (24), extension (25) other end is connected on rotary support frame (122), seat frame foldable base (24) drive-connecting shaft (100) between the drive-connecting shaft lateral run-out fixing support rack and rotary support frame of extension (25), it is described Set restricted between seat frame foldable base (24) and extension (25) or allow seat frame foldable base (24) with respect to extension (25) the 4th locking-unlocking device (91) rotated.

A kind of 31. infant's folding seat according to claim 30, it is characterised in that：One end of the extension (25) is set The first support base (251) is equipped with, the other end of the extension (25) is provided with the second support base (252), first support Extension rod (253), the seat frame foldable base (24) and the first support are connected between seat (251) and the second support base (252) Seat (251) pivot joint, the rotary support frame (122) are pivotally connected with the second support base (252).

A kind of 32. infant's folding seat according to claim 30 or 31, it is characterised in that：The seat frame foldable base (24) include fixed fold seat (241) and be articulated on fixed fold seat (241) to turn folding seat (242), the seat frame Supporting item (23), which is fixedly connected on, to be turned folding on seat (242).

A kind of 33. infant's folding seat according to claim 31, it is characterised in that：First fold mechanism (4) bag Include limitation or allow the second support base (252) to relatively rotate the first locking-unlocking device (41) that supporting rack (122) is rotated, The cross-brace frame (11) includes the first cross-brace frame (111) being fixedly connected with fixing support rack (121) and pivot joint The second cross-brace frame (112) on the first cross-brace frame (111), second fold mechanism (5) include limitation or permit Perhaps the second locking-unlocking device (51) that the second cross-brace frame (112) is rotated relative to the first cross-brace frame (111).

A kind of 34. infant's folding seat according to claim 33, it is characterised in that：First locking-unlocking device (41), In second locking-unlocking device (51), the 4th locking-unlocking device (91) one of locking-unlocking device unlock when or unlock The other one or more locking-unlocking devices of linkage of unlocking afterwards.

A kind of 35. infant's folding seat according to claim 34, it is characterised in that：A kind of infant's folding seat is also Including after the 4th locking-unlocking device (91) unlocks and seat frame foldable base (24) is rotated relative to the first support base (251) 3rd linkage (83) of the first locking-unlocking device of linkage of unlocking (41) afterwards, a kind of infant's folding seat, which further includes, to be worked as After first locking-unlocking device (41) unlock and the second support base (252) is relatively rotated after supporting rack (122) rotated First linkage of unlocking device (81) of the second locking-unlocking device of linkage of unlocking (51).

A kind of 36. infant's folding seat according to claim 33, it is characterised in that：The seat frame (21) includes portions Frame (211) and back frame (212), a kind of infant's folding seat further include control back frame (212) and/or portions frame (211) the 3rd fold mechanism (6) that relative thereto frame supporting item (23) is folded or opened, back frame (212) and portions frame (211) be articulated on seat frame supporting item (23), the 3rd fold mechanism (6) include limit or allow portions frame (211) and/ Or the 3rd locking-unlocking device (61) that back frame (212) relative thereto frame supporting item (23) is rotated.

A kind of 37. infant's folding seat according to claim 36, it is characterised in that：When the first locking-unlocking device (41), wherein one in the second locking-unlocking device (51), the 3rd locking-unlocking device (61), the 4th locking-unlocking device (91) Linkage of unlocking other one or more locking-unlocking devices during the unlock of a locking-unlocking device or after unlock.

A kind of 38. infant's folding seat according to claim 37, it is characterised in that：A kind of infant's folding seat is also Including after the 3rd locking-unlocking device (61) unlocks and when portions frame (211) and/or back frame (212) relative thereto frame support The four-axle linkage device (84) of the 4th locking-unlocking device of linkage of unlocking after part (23) is rotated, a kind of infant fold Chair is further included after the 4th locking-unlocking device (91) unlocks and seat frame foldable base (24) is carried out with respect to the first support base (251) 3rd linkage (83) of the first locking-unlocking device of linkage of unlocking (41) after rotation, a kind of infant's folding seat are also wrapped Include after first locking-unlocking device (41) unlocks and the second support base (252) relatively rotates supporting rack (122) and turned First linkage of unlocking device (81) of the second locking-unlocking device of linkage of unlocking (51) after dynamic.

A kind of 39. infant's folding seat according to claim 38, it is characterised in that：The portions frame (211) and seat The pivot joint axle center of frame supporting item (23) is overlapped with the pivot joint axle center of back frame (212) and seat frame supporting item (23), and the described 3rd Locking-unlocking device (61) includes being arranged on seat frame supporting item (23), deviation portions frame (211) and seat frame supporting item (23) screens (611) in pivot joint axle center and be arranged on it is on back frame (212) and/or portions frame (211), can be with the card The bayonet lock (612) that position (611) coordinates, the 3rd locking-unlocking device (61), which further includes, pulls bayonet lock (612) with respect to back frame (212) or portions frame (211) moves and causes bayonet lock (612) departs from the screens (611) on seat frame supporting item (23) to match somebody with somebody The drawstring (613) of conjunction and promotion bayonet lock (612) when screens (611) and bayonet lock (612) are opposite and when drawstring (613) loosens The spring for being moved with respect to back frame (212) and bayonet lock (612) being coordinated with the screens (611) on portions frame (211) (614), knob part (615) is articulated with the back frame (212), the knob part (615) deviates back frame (212) and knob The pivot joint axle center of part (615) is connected with one end of drawstring (613), and the other end of the drawstring (613) is connected with bayonet lock (612).

A kind of 40. infant's folding seat according to claim 38, it is characterised in that：Four-axle linkage device (84) includes living It is dynamic be connected to it is on seat frame supporting item (23), turn with back frame (212) or portions frame (211) relative thereto frame supporting item (23) Dynamic and movement the 4th movable part (841), the 4th movable part (841) are connected with when back frame (212) or portions frame (211) Relative thereto frame supporting item (23) rotate after under the pulling of the 4th movable part (841) by the of the unlock of the 4th locking-unlocking device Four drawstrings (842).

A kind of 41. infant's folding seat according to claim 40, it is characterised in that：4th movable part (841) pivot It is connected on seat frame supporting item (23), the 4th movable part (841) deviates its center of rotation position and connects the 4th drawstring (842), the back frame (212) or portions frame (211) are connected with the 4th movable part (841) and can drive the 4th movable part (841) rotate so as to pull or loosen the 4th drawstring (842).

A kind of 42. infant's folding seat according to claim 41, it is characterised in that：4th locking-unlocking device (91) the active moving member of energy relative thereto frame foldable base (24) movement being arranged in seat frame foldable base (24) is included (911), connected on the active moving member (911) with the mobile and mobile driven moving pin (912) of active moving member (911), 4th locking-unlocking device (91) is additionally included in setting with the driven moving pin on first support base (251) (912) the foldable base lock hole in pivot joint axle center coordinating, deviateing seat frame foldable base (24) and the first support base (251) (913), the active moving member (911) be connected with the 4th drawstring (842) and can be driven under the pulling of the 4th drawstring (842) from Dynamic moving pin (912) departs from the cooperation with the foldable base lock hole (913), the active mobile dish (911) and seat frame folding It is provided between folded seat (24) after the 4th drawstring (842) loosens, promotes active moving member (911) to reset so that driven shifting The resetting spring that dynamic pin (912) is coordinated with foldable base lock hole (913).

A kind of 43. infant's folding seat according to claim 35 or 38, it is characterised in that：The 3rd linkage of unlocking dress Put (83) include be movably connected on the first support base (251) when the 4th locking-unlocking device (91) unlocks after and seat frame folding Folded seat (24) can be under the driving of seat frame foldable base (24) with respect to the first support base after the first support base (251) rotation (251) the 3rd movable part (831) of movement, the 3rd movable part (831) are connected with when seat frame foldable base (24) opposite the One support base (251) unlocks the 3rd drawing of the first locking-unlocking device (41) under the pulling of the 3rd movable part (831) after rotating Restrict (832).

A kind of 44. infant's folding seat according to claim 43, it is characterised in that：3rd movable part (831) sets Put in the first support base (251), be provided with the 3rd movable part (831) it is prominent the first support base (251) outside the Three protuberances (8311), be provided with first support base (251) laterally or longitudinally with the 3rd protuberance (8311) The sliding groove being slidably matched, be provided with the seat frame foldable base (24) it is coordinating with the 3rd protuberance (8311), when Seat frame foldable base (24) promotes the 3rd movable part (831) with respect to the first support base after the first support base (251) rotation (251) mobile so as to pull the 3rd driver slot (833) of the 3rd drawstring (832), the 3rd linkage (83), which further includes, to be set Put between the 3rd movable part (831) and the first support base (251) when seat frame foldable base (24) is with respect to the first support base (251) Rotate and promote the 3rd movable part (831) to reset after resetting so as to loosen the 3rd spring (834) of the 3rd drawstring (832).

A kind of 45. infant's folding seat according to claim 44, it is characterised in that：First locking-unlocking device (41) include being arranged on pivot joint on rotary support frame (122), deviateing rotary support frame (122) and the second support base (252) First lock hole (411) in axle center and be arranged on it is on the second support base (252), deviate rotary support frame (122) and second The second lock hole (412) pivot joint axle center, being aligned with the first lock hole (411) of support base (252), first locking Tripper (41) further includes the locking spring plate (413) being arranged on rotary support frame (122), locking spring plate (413) bag Include the shrapnel (4131) of U-shaped or V-arrangement and be arranged on it is on shrapnel (4131), when the first lock hole (411) and the second lock hole (412) pin coordinated at the same time with the first lock hole (411) and the second lock hole (412) under shrapnel (4131) effect when being aligned (4132), first locking-unlocking device (41), which further includes, is articulated on rotary support frame (122) or the second support base (252) The rotation unlock piece (415) being connected with the 3rd drawstring (832), be provided with rotation unlock piece (415) when rotating unlock Part (415) is promoted the pin (4132) to exit after the pulling of the 3rd drawstring (832), after relative rotation supporting rack (122) rotation Second lock hole (412) and cause the first locking-unlocking device (41) unlock pushing part (4150).

A kind of 46. infant's folding seat according to claim 35 or 38, it is characterised in that：The first linkage of unlocking dress Put (81) include be movably connected on rotary support frame (122) when the first locking-unlocking device (41) unlocks after and second support Seat (252) relatively rotate supporting rack (122) rotate after can the second support base (252) driving under relative rotation supporting rack (122) The first movable part (811) of movement, first movable part (811) are connected with when the second support base (252) relatively rotates support Frame (122) unlocks the first drawstring of the second locking-unlocking device (51) under the pulling of the first movable part (811) after rotating (812)。

A kind of 47. infant's folding seat according to claim 46, it is characterised in that：First movable part (811) sets Put in the rotary support frame (122), be provided with first movable part (811) prominent in rotary support frame (122) outside prominent Go out portion (8111), being slidably matched with the protuberance (8111) laterally or longitudinally is provided with the rotary support frame (122) Sliding groove, be provided with second support base (252) it is coordinating with the protuberance (8111), when the second support base (252) relatively rotate promoted after supporting rack (122) rotates the first movable part (811) relatively rotate supporting rack (122) it is mobile so as to The first driver slot (813) of the first drawstring (812) is pulled, the first linkage of unlocking device (81), which further includes, is arranged on the first work Between moving part (811) and rotary support frame (122) after the second support base (252), which relatively rotates supporting rack (122), rotates reset The first movable part (811) is promoted to reset so as to loosen the first spring (814) of first drawstring (812).

A kind of 48. infant's folding seat according to claim 47, it is characterised in that：Second locking-unlocking device (51) activity locking that is being connected with first drawstring (812) and being movably connected on the first cross-brace frame (111) is included Part (516), is provided with lock hole (517) on the second cross-brace frame (112), is set on the movable lock element (516) Have it is coordinating with the lock hole (517) that is set on the second cross-brace frame (112), after the first locking-unlocking device unlocks And second support base (252) relatively rotate supporting rack (122) rotate after, the first drawstring (812) by the first movable part (811) draw After dynamic, movable lock element (516) pulled by the first drawstring (812) after with the second lock hole on the second cross-brace frame (112) (517) stop pin (5161) coordinated is departed from, second locking-unlocking device (51) is further included when the first movable part (811) is multiple Behind position, the first drawstring (812) promotes the second locking piece (516) to reset and causes second stop pin (5161) and the after loosening The resetting spring that two lock holes (517) coordinate.

A kind of 49. infant's folding seat according to claim 1, it is characterised in that：The seat support frame (2) includes seat Position frame (21), the seat frame (21) are articulated on rotary support frame (122), and first fold mechanism includes limitation or allows Seat frame (21) relatively rotates the first locking-unlocking device (41) that supporting rack (122) is rotated.