CN104417594A - Bending joints of child stroller and child stroller - Google Patents
Bending joints of child stroller and child stroller Download PDFInfo
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- CN104417594A CN104417594A CN201310362784.8A CN201310362784A CN104417594A CN 104417594 A CN104417594 A CN 104417594A CN 201310362784 A CN201310362784 A CN 201310362784A CN 104417594 A CN104417594 A CN 104417594A
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Abstract
The invention relates to bending joints of a child stroller and the child stroller. The bending joints comprise first joint connecting pieces, second joint connecting pieces and gear locking mechanisms, the first joint connecting pieces and the second joint connecting pieces can perform relative rotation for a preset angle, the bending joints further comprise pulling unlocking mechanisms, and by means of the pulling unlocking mechanisms, rotating locking states between the first joint connecting pieces and the second joint connecting pieces by the gear locking mechanisms can be removed simultaneously by the aid of pulling mode for the bending joints on left and right sides of the child stroller. According to the bending joints of the child stroller and the child stroller, the pulling unlocking mechanisms are disposed so as to provide pulling mode for the bending joints on the left and right sides of the child stroller to simultaneously remove the rotating locking states which are made by the gear locking mechanisms between the first joint connecting pieces and the second joint connecting pieces, a user can conveniently exert an external force to perform pulling with one hand so as to achieve removal of the rotating locking states of the bending joints, and the user can conveniently operate the bending joints and conveniently perform further operation on the child stroller.
Description
Technical field
The present invention relates to children trolley technical field, particularly relate to a kind of bending joint and children trolley of children trolley.
Background technology
Children trolley, i.e. perambulator are a kind of hand barrows for infant, children's ride-on.The conveniently storage of children trolley and carrying, more existing children trolleys can realize joint bending function.As shown in Figure 1, be the structural representation of the bending joint of existing a kind of children trolley.This outward appearance is that the bending joint of P type has attaching parts a2 and a3, these two attaching partss are articulated by pivot a1, bending joint has an action button a4, and user needs to be pressed can make bending joint unlock relation, realizes bending operation.
Due on children's perambulator, this bending joint is being symmetrically arranged, if user wants to carry out bending operation, need both hands to operate action button on the bending joint of both sides simultaneously, make the bending joint of both sides all the relation of unlocking can realize bending operation, with carry out angle or height adjustment.When the state carrying out children's perambulator is in for user, the mode that this both hands unlock simultaneously or feasible, but when if user has a further demand: littlely shorter folding vehicle frame as required, to require while bending joint to remove the lock-out state of vehicle frame or require that a hand has children in arms by interlock, another hand should bending hand-pushing handle, also will synchronously return the vehicle to the garage and knock off just very difficult.
Summary of the invention
The object of the invention is the bending joint and the children trolley that propose a kind of children trolley, user can be made to operate bending joint more convenient.
For achieving the above object, the invention provides a kind of bending joint of children trolley, comprise: the first joint connector, second joint attaching parts and geared lock mechanisms, described first joint connector and second joint attaching parts fasten mutually, and carrying out pivot joint by the first pivot, described first joint connector and second joint attaching parts can with described first pivot for axis relatively rotate predetermined angle;
Wherein, described bending joint is arranged symmetrically with at the left and right sides of described children trolley, and described bending joint also comprises: provide mode of traction to remove the traction release mechanism of described geared lock mechanisms to the twist-lock state between described first joint connector and described second joint attaching parts to the bending joint of the left and right sides of described children trolley simultaneously.
Further, the circumferential inner wall of described first joint connector and the circumferential inner wall of second joint attaching parts are equipped with tooth-shape structure, described geared lock mechanisms comprises: lock gear and the first elastic element, described lock gear is located in the cavity that described first joint connector and second joint attaching parts formed jointly, and the tooth-shape structure of described lock gear can intermesh with the tooth-shape structure of the circumferential inner wall of the circumferential inner wall of described first joint connector and second joint attaching parts; Described first elastic element is located between described lock gear and described first joint connector; When described geared lock mechanisms is in the lock state, described lock gear is intermeshed with the tooth-shape structure of the circumferential inner wall of described first joint connector and the circumferential inner wall of second joint attaching parts under the effect of described first elastic element simultaneously.
Further, described traction release mechanism comprises: traction piece, joint lid conciliates lock slide, the one end be arranged on away from described first joint connector on described second joint attaching parts is covered in described joint, described joint lid comprises lid and pivot guide portion, described solution lock slide is arranged between described lock gear and described joint cover, and described pivot guide portion is through described solution lock slide and described lock gear, and limit described lid and described first joint connector synchronous axial system, described pivot guide portion is provided with the pivot guide hole coordinated with described first pivot, the two ends of described traction piece are connected with the described solution lock slide of the bending joint of the left and right sides at described children trolley respectively, can when described in external force traction when traction piece, pull described solution lock slide relative to described joint lid slip preset displacement, described first elastic element is compressed to make described lock gear, and depart from the meshing relation with the gear structure of the circumferential inner wall of described second joint attaching parts.
Further, described traction piece is hard pull bar, described lid is also provided with away from the side of described solution lock slide the traction piece guide portion guiding described traction piece, described traction piece guide portion is provided with and coordinates with described traction piece, for the traction piece guiding groove that described traction piece slides, described traction piece is connected with described solution lock slide by tie bolt, and described traction piece guide portion is also provided with the tie bolt sliding tray limiting described tie bolt range of movement; By applying external force traction to described traction piece, described solution lock slide can be made outwards to slide in the radial direction of described first pivot preset displacement.
Further, described traction piece is flexible traction piece, and described traction piece is connected directly between on described solution lock slide; By applying external force traction to described traction piece, described solution lock slide can be made outwards to slide in the radial direction of described first pivot preset displacement.
Further, described solution lock slide is provided with inclined plane groove near the side of described lock gear, described lock gear is provided with inclined-plane boss near the side of described solution lock slide, and contact with described inclined plane groove and coordinate, the centre of described solution lock slide and described lock gear is equipped with the long slot bore passed through for described pivot guide portion; Under the state of described solution lock slide outside slip preset displacement in the radial direction of described first pivot, the inclined plane groove of described solution lock slide extrudes described inclined-plane boss, overcome the thrust of described first elastic element, described lock gear is moved, until depart from the meshing relation with the tooth-shape structure of the circumferential inner wall of described second joint attaching parts to the direction away from described solution lock slide; Described traction piece is not applied draw or do not apply enough tractive forces state under, described lock gear is under the effect of described first elastic element, move near the direction of described solution lock slide, extrude described solution lock slide to reset, the tooth-shape structure of the circumferential inner wall of described lock gear and described first joint connector and described second joint attaching parts is engaged simultaneously.
Further, also comprise a rotation trigger member and the second elastic element, described second joint attaching parts is provided with the mounting hole of its pivot center of sensing, for holding described rotation trigger member, described rotation trigger member has an inner chute, by being pivotally mounted on described second joint attaching parts through second of described inner chute, described second elastic element is arranged in described inner chute near between one end of the pivot center of described second joint attaching parts and described second pivot; Under the state being in the trigger position of described first joint connector in described rotation trigger member, described rotation trigger member moves preset displacement to described first joint connector under the effect of described second elastic element.
Further, the described trigger position on the excircle of described first joint connector is provided with tangential grooves, and described rotation trigger member is set to the shape coordinated with described tangential grooves near one end of described first joint connector.
Further, the described trigger position on the excircle of described first joint connector is provided with evagination and hooks shape moulding, described rotation trigger member be set near one end of described first joint connector to hook with described evagination that shape moulding coordinates link groove or pulling buckle.
For achieving the above object, the invention provides a kind of children trolley, comprise handle pipe, mounting pipe, the lockout mechanism that leans against pipe and pedal tube and correspond between all parts, it is characterized in that, also comprise the bending joint of aforesaid children trolley.
Further, described bending joint is arranged in described handle pipe, described handle pipe comprises epimere and hypomere, and the epimere of described handle pipe is fixedly connected with the first joint connector of described bending joint, and the hypomere of described handle pipe is fixedly connected with the second joint attaching parts of described bending joint;
Described bending joint comprises rotation trigger member, the second elastic element and traction piece, and described traction piece is hard pull bar, and the epimere of close described handle pipe, described rotation trigger member is connected with the release connection part of the lockout mechanism of described children trolley;
When carrying out traction unlocking operation, epimere and the traction piece of described handle pipe is gripped in the lump by external force, make described traction piece in the draw lower slider preset displacement of external force, and then the geared lock mechanisms removing described bending joint is to the twist-lock state between described first joint connector and described second joint attaching parts; The epimere of described handle pipe is turned to the trigger position of described first joint connector around the rotation axis of described second joint attaching parts, described rotation trigger member moves preset displacement to described first joint connector under the effect of described second elastic element, drives the release connection part action of the lockout mechanism of described children trolley.
Further, described bending joint is arranged on described mounting pipe and describedly leans against between pipe, and described mounting pipe is fixedly connected with second joint attaching parts with the first joint connector of described bending joint respectively with the described pipe that leans against;
Described bending joint comprises rotation trigger member, the second elastic element and traction piece, and described traction piece is flexible traction piece, and being fixed on described mounting pipe through described mounting pipe by operated key, described rotation trigger member is connected with the release connection part of the lockout mechanism of described children trolley;
When carrying out traction unlocking operation, described mounting pipe and operated key is gripped in the lump by external force, make described traction piece in the draw lower slider preset displacement of external force, and then the geared lock mechanisms removing described bending joint is to the twist-lock state between described first joint connector and described second joint attaching parts; Described mounting pipe is turned to the trigger position of described first joint connector around the rotation axis of described second joint attaching parts, described rotation trigger member moves preset displacement to described first joint connector under the effect of described second elastic element, drives the release connection part action of the lockout mechanism of described children trolley.
Further, described bending joint is arranged on described mounting pipe and describedly leans against between pipe, and described mounting pipe is fixedly connected with the first joint connector with the second joint attaching parts of described bending joint respectively with the described pipe that leans against;
Described bending joint comprises rotation trigger member, the second elastic element and traction piece, and described traction piece is flexible traction piece, and lean against described in passing pipe be fixed on by operated key described in lean against on pipe, described rotation trigger member is connected with the release connection part of the lockout mechanism of described children trolley;
When carrying out traction unlocking operation, pipe and operated key is leaned against described in being gripped in the lump by external force, make described traction piece in the draw lower slider preset displacement of external force, and then the geared lock mechanisms removing described bending joint is to the twist-lock state between described first joint connector and described second joint attaching parts; Pipe to turn to described first joint connector trigger position around the rotation axis of described second joint attaching parts is leaned against by described, described rotation trigger member moves preset displacement to described first joint connector under the effect of described second elastic element, drives the release connection part action of the lockout mechanism of described children trolley.
Further, described bending joint is arranged between described mounting pipe and described pedal tube, and described pedal tube is fixedly connected with second joint attaching parts with the first joint connector of described bending joint respectively with described mounting pipe;
Described bending joint comprises rotation trigger member, the second elastic element and traction piece, and described traction piece is flexible traction piece, and being fixed on described pedal tube through described pedal tube by operated key, described rotation trigger member is connected with the release connection part of the lockout mechanism of described children trolley;
When carrying out traction unlocking operation, described pedal tube and operated key is gripped in the lump by external force, make described traction piece in the draw lower slider preset displacement of external force, and then the geared lock mechanisms removing described bending joint is to the twist-lock state between described first joint connector and described second joint attaching parts; Described pedal tube is turned to the trigger position of described first joint connector around the rotation axis of described second joint attaching parts, described rotation trigger member moves preset displacement to described first joint connector under the effect of described second elastic element, drives the release connection part action of the lockout mechanism of described children trolley.
Based on technique scheme, the present invention provides mode of traction to remove the function of geared lock mechanisms to the twist-lock state between the first joint connector and second joint attaching parts by the bending joint arranging the left and right sides that traction release mechanism is children trolley simultaneously, person easy to use utilizes the singlehanded mode applying external force traction just can realize the releasing of bending joint twist-lock state, make user operate bending joint convenient, also person easy to use can perform operation further to children trolley.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide a further understanding of the present invention, and form a application's part, schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the structural representation of the bending joint of existing a kind of children trolley.
Fig. 2 is the structural representation of an embodiment of the bending joint of children trolley of the present invention.
Fig. 3 is the structural representation of Fig. 2 embodiment at another viewing angle.
The bending joint embodiment that Fig. 4 A-4B is respectively children trolley of the present invention is in the external structure schematic diagram in rotation locking state and rotation process.
The bending joint embodiment that Fig. 5 A-5B is respectively children trolley of the present invention is in rotation locking state and arrives the generalized section of trigger position.
Fig. 6 is the structural representation of an embodiment of children trolley of the present invention.
Fig. 7 is the mounting structure schematic diagram of handle pipe and bending joint in Fig. 6 embodiment.
Fig. 8 is the structural representation of another embodiment of the bending joint of children trolley of the present invention.
Fig. 9 is the structural representation of Fig. 8 embodiment at another viewing angle.
Detailed description of the invention
Below by drawings and Examples, technical scheme of the present invention is described in further detail.
Existing bending joint needs user's both hands to operate action button on the bending joint of both sides simultaneously, make the bending joint of both sides all the relation of unlocking can realize bending operation, to carry out the adjustment of angle or height.The present invention, in order to liberate the restriction of user's bimanualness, have employed a kind of mode of one hand traction to remove twist-lock state.
Based on this thinking, in the embodiment of the bending joint of a kind of children trolley of the present invention, bending joint comprises the first joint connector, second joint attaching parts and geared lock mechanisms, described first joint connector and second joint attaching parts fasten mutually, and carrying out pivot joint by the first pivot, described first joint connector and second joint attaching parts can with described first pivot for axis relatively rotate predetermined angle.Described bending joint is arranged symmetrically with at the left and right sides of described children trolley, and described bending joint also comprises: provide mode of traction to remove the traction release mechanism of described geared lock mechanisms to the twist-lock state between described first joint connector and described second joint attaching parts to the bending joint of the left and right sides of described children trolley simultaneously.
As shown in Figure 2, be the structural representation of an embodiment of the bending joint of children trolley of the present invention.Fig. 3 is the structural representation of Fig. 2 embodiment at another viewing angle.In the present embodiment, the first joint connector 1 and second joint attaching parts 2 fasten mutually, and carry out pivot joint by the first pivot 10, the first joint connector 1 and second joint attaching parts 2 with the first pivot 10 for axis relatively rotates predetermined angle.The circumferential inner wall of the first joint connector 1 is provided with tooth-shape structure 11, and the circumferential inner wall of second joint attaching parts 2 is also provided with tooth-shape structure 19.
Geared lock mechanisms comprises lock gear 4 and the first elastic element 3, lock gear 4 is located in the cavity that the first joint connector 1 and second joint attaching parts 2 formed jointly, and the tooth-shape structure of lock gear 4 can intermesh with the tooth-shape structure 19 of the circumferential inner wall of the tooth-shape structure 11 of the circumferential inner wall of the first joint connector 1 and second joint attaching parts 2.
First elastic element 3 is located between lock gear 4 and the first joint connector 1, when geared lock mechanisms is in the lock state, lock gear 4 is intermeshed with the tooth-shape structure 19 of the tooth-shape structure 11 of the circumferential inner wall of the first joint connector 1 and the circumferential inner wall of second joint attaching parts 2 under the effect of the first elastic element 3 simultaneously.
In the present embodiment, traction release mechanism can comprise traction piece 7, joint lid 6 conciliates lock slide 5, joint lid 6 is arranged on the one end away from the first joint connector 1 on second joint attaching parts 2, joint lid 6 comprises lid 17 and pivot guide portion 16, solution lock slide 5 is arranged on lock gear 4 and joint is covered between 6, and pivot guide portion 16 is through separating lock slide 5 and lock gear 4, and limiting lid 17 and the first joint connector 1 synchronous axial system, pivot guide portion 16 is provided with the pivot guide hole coordinated with the first pivot 10.
The two ends of traction piece 7 are connected with the solution lock slide 5 of the bending joint of the left and right sides at children trolley respectively, and can when external force traction traction piece 7, solution lock slide 5 is pulled to cover 6 slip preset displacement relative to joint, to make lock gear 4 compress the first elastic element 3, and depart from the meshing relation with the gear structure 19 of the circumferential inner wall of second joint attaching parts 2.
In Fig. 2 embodiment, traction piece 7 is hard pull bar, and lid 17 is also provided with away from the side of separating lock slide 5 the traction piece guide portion 15 guiding traction piece 7, and traction piece guide portion 15 is provided with and coordinates with traction piece 7, for the traction piece guiding groove that traction piece 7 slides.Traction piece 7 is connected with solution lock slide 5 by tie bolt 14, and traction piece guide portion 15 is also provided with the tie bolt sliding tray 32 of the range of movement limiting tie bolt 14; By applying external force traction to traction piece 7, solution lock slide 5 can be made outwards to slide in the radial direction of the first pivot 10 preset displacement.
Separate lock slide 5 and inclined plane groove 18 can be set near the side of lock gear 4, and lock gear 4 can be provided with contact with it near the side of separating lock slide 5 and the inclined-plane boss 13 coordinated, the centre of separating lock slide 5 and lock gear 4 is equipped with the long slot bore passed through for pivot guide portion 16.The cross-sectional plane of pivot guide portion 16 on the axis of the first pivot 10 on joint lid 6 can adopt the contour structure of rectangle, the groove structure coordinated with this pivot guide portion 16 also can be set in the inside of the first joint connector 1 accordingly, when the first joint connector 1 rotates, joint can be made to cover 6 synchronous axial system.
Under the state of separating outwards slip preset displacement in the radial direction that lock slide 5 is in the first pivot 10, the inclined plane groove 18 separating lock slide 5 extrudes inclined-plane boss 13, overcome the thrust of the first elastic element 3, make lock gear 4 to away from the direction motion of separating lock slide 5, until depart from the meshing relation with the tooth-shape structure of the circumferential inner wall of second joint attaching parts 2.
Under the state draw not being applied to traction piece 7 or do not apply enough tractive forces, lock gear 4 is under the effect of the first elastic element 3, move near the direction of separating lock slide 5, extruding is separated lock slide 5 and is resetted, and the tooth-shape structure of the circumferential inner wall of lock gear 4 and the first joint connector 1 and second joint attaching parts 2 is engaged simultaneously.
In embodiment shown in above-mentioned Fig. 2,3, the bending joint that traction piece is mainly children trolley left and right sides provides and applies external force traction to remove the effect of twist-lock state simultaneously, the traction piece adopted is hard pull bar, such as be applied in the bending joint in handle pipe, adopt hard pull bar to coordinate handle pipe to use, user can apply draw by gripping handle pipe and the bending joint of hard pull bar to children trolley left and right sides simultaneously.And apply according to the installation of bending joint at the different parts of children trolley, also can adopt the form of other feasible traction pieces, such as flexible traction piece.Flexible traction piece can be useful in the mounting pipe of children trolley and lean against pipe, and between mounting pipe and pedal tube, conveniently use, flexible traction piece can pass these pipe fittings, be fixed by operated key again, and when operating, only need grip the function that the pipe fitting that is provided with operated key and this operated key just can realize applying the bending joint of children trolley left and right sides draw simultaneously simultaneously.
Fig. 8 and Fig. 9 just shows the structure that traction piece adopts the bending joint of flexible traction piece, and namely traction piece 7 ' is flexible traction piece, and traction piece 7 ' is connected directly between on solution lock slide 5; Accordingly, lid 6 ' need not be arranged the traction piece guide portion 15 in Fig. 2.By applying external force traction to traction piece 7 ', solution lock slide 5 can be made outwards to slide in the radial direction of the first pivot 10 preset displacement.
Accordingly, at solution lock slide 5, inclined plane groove 18 can be set near the side of lock gear 4, and near the side of separating lock slide 5, contact being with it set and the inclined-plane boss 13 coordinated in lock gear 4, the centre of separating lock slide 5 and lock gear 4 is equipped with the long slot bore passed through for pivot guide portion 16.The cross-sectional plane of pivot guide portion 16 on the axis of the first pivot 10 on joint lid 6 ' can adopt the contour structure of rectangle, the groove structure coordinated with this pivot guide portion 16 also can be set in the inside of the first joint connector 1 accordingly, so that when the first joint connector 1 rotates, joint can be made to cover 6 ' synchronous axial system.
Due to traction piece 7 ' be applied in outside tractive force time, separate the state that lock slide 5 will be transformed into outside slip preset displacement in the radial direction of the first pivot 10, the inclined plane groove 18 separating lock slide 5 extrudes inclined-plane boss 13, overcome the thrust of the first elastic element 3, make lock gear 4 to away from the direction motion of separating lock slide 5, until depart from the meshing relation with the tooth-shape structure of the circumferential inner wall of second joint attaching parts 2.
Not to traction piece 7 ' apply draw or do not apply enough tractive forces state under, lock gear 4 is under the effect of the first elastic element 3, move near the direction of separating lock slide 5, extruding is separated lock slide 5 and is resetted, and the tooth-shape structure of the circumferential inner wall of lock gear 4 and the first joint connector 1 and second joint attaching parts 2 is engaged simultaneously.
By the various embodiments described above, the structure that the present invention unlocks compared to the bending joint of existing bimanualness, more can the using and operating of person easy to use.
Because user is after completing traction unblock, certain operations to be carried out further toward contact, such as, remove some other lockout mechanism of children trolley, to complete the operation etc. folding children trolley.In order to realize such linkage function, some parts realizing rotating Trigger Function can also be increased in bending joint.
Owing to also including this part in the embodiment shown in Fig. 2,3, therefore continue to be described with this embodiment.Wherein, bending joint further comprises and rotates trigger member 8 and the second elastic element 9, and second joint attaching parts 2 is provided with the mounting hole 24 of its pivot center of sensing, rotates trigger member 8 for holding.Rotate trigger member 8 and there is an inner chute 23, be arranged on second joint attaching parts 2 by the second pivot 12 through inner chute 23, the second elastic element 9 is arranged in inner chute 23 near between one end and the second pivot 12 of the pivot center of second joint attaching parts 2.
Under the state that rotation trigger member 8 is in the trigger position of the first joint connector 1, rotate trigger member 8 and move preset displacement to the first joint connector 1 under the effect of the second elastic element 9.
Can when being in trigger position in order to realize mobile trigger member, preset displacement is moved to the first joint connector, tangential grooves 21 can be set trigger position on the excircle of the first joint connector 1, and rotate trigger member 8 and be set to the shape coordinated with tangential grooves 21 near one end 22 of the first joint connector 1.Accordingly, also there is the recessed portion 20 coordinated with this tangential grooves 21 in the position of tangential grooves 21 in lock gear 4.That is, be complete circumferential section at the excircle of the non-toggle position of the first joint connector, can the one end 22 of rotating trigger member 8 be clamp-oned in the mounting hole 24 of second joint attaching parts 2, and compress the second elastic element 9, and when the first joint connector 1 turns to its trigger position just to when rotating one end 22 of trigger member 8, because this trigger position is tangential grooves 21, therefore rotate trigger member 8 heads in tangential grooves 21 by its one end 22 under the effect of the second elastic element 9, and drive rotation trigger member 8 entirety to move preset displacement to the first joint connector 1.
The bending joint embodiment that Fig. 4 A and Fig. 4 B is respectively children trolley of the present invention is in the external structure schematic diagram in rotation locking state and rotation process.Can assign to judge whether the first joint connector arrives trigger position according to the recess of the tangential grooves of the first joint connector or lock gear from figure, wherein in Figure 4 A, rotate the state that trigger member is in the mounting hole being squeezed into second joint attaching parts, and along with the rotation of the first joint connector, the tangential grooves of the first joint connector or the recessed portion of lock gear also corresponding clockwise direction rotate trigger member and rotate.
Fig. 5 A is the generalized section that the bending joint embodiment of children trolley of the present invention is in rotation locking state, can see that the direction, drive spindle 7 place be now contained in joint lid 6 is contrary with the direction of second joint attaching parts 2, now engage with the tooth-shape structure on the circumferential inner wall of the first joint connector 1 and second joint attaching parts 2 while of lock gear 4.And the one end 22 of rotating trigger member 8 is headed in the mounting hole of second joint attaching parts 2 by the first joint connector 1.
Fig. 5 B is then the generalized section of the bending joint embodiment arrival trigger position of children trolley of the present invention, can see that drive spindle 7 and joint lid 6 have rotated about 180 degree compared to the position at place in Fig. 5, and the first joint connector 1 and lock gear 4 are also along with drive spindle 7 together rotates, arrive trigger position, now discharge the external force on drive spindle 7, then lock gear 4 returns the state simultaneously engaged with the tooth-shape structure on the circumferential inner wall of the first joint connector 1 and second joint attaching parts 2 under the effect of the first elastic element.And the trigger position corresponding to one end 22 rotating trigger member 8 is tangential grooves, therefore under the effect of the second elastic element, the mounting hole of second joint attaching parts 2 can be ejected to the direction of the first joint connector 1, and top is in the tangential grooves of the first joint connector 1, and rotation trigger member 8 is driven to move integrally preset displacement.
Except the form of trigger position given in above-mentioned accompanying drawing, evagination can also be set hook shape moulding by trigger position on the excircle of the first joint connector, and by rotate trigger member to be set near one end of the first joint connector to hook with evagination that shape moulding coordinates link groove or pulling buckle.This structure can realize above-mentioned tangential grooves role equally.
By the explanation of each embodiment of the above-mentioned bending joint to children trolley, can see that this bending joint can the use of the person of simplifying the operation, be particularly useful for various children trolley, these children trolleys comprise handle pipe, mounting pipe, the lockout mechanism (not comprising the geared lock mechanisms in bending joint) that leans against pipe and pedal tube and correspond between all parts, can on these pipe fittings or binding site the embodiment of the bending joint of any one children trolley above is set.
As shown in Figure 6, be the structural representation of an embodiment of children trolley of the present invention.In the present embodiment, bending joint is arranged in handle pipe, mounting structure with reference to the handle pipe shown in figure 7 and bending joint can be seen, handle pipe comprises epimere 30 and hypomere 31, the epimere 30 of handle pipe is fixedly connected with the first joint connector of bending joint, and the hypomere 31 of handle pipe is fixedly connected with the second joint attaching parts of bending joint.Bending joint comprises rotation trigger member, the second elastic element and traction piece, and traction piece is hard pull bar, and the epimere of close described handle pipe, described rotation trigger member is connected with the release connection part of the lockout mechanism of described children trolley.
When carrying out traction unlocking operation, operator can pass through epimere and the traction piece that external force (such as utilizing one hand etc.) grips handle pipe in the lump, make traction piece in the draw lower slider preset displacement of external force, and then the geared lock mechanisms of releasing bending joint is to the twist-lock state between the first joint connector and second joint attaching parts; The epimere of handle pipe is turned to the trigger position of the first joint connector around the rotation axis of second joint attaching parts, rotate trigger member and move preset displacement to the first joint connector under the effect of the second elastic element, drive the release connection part action of the lockout mechanism of children trolley.
In another embodiment, bending joint can be arranged on mounting pipe and lean against between pipe, mounting pipe with lean against pipe and be fixedly connected with second joint attaching parts with the first joint connector of bending joint respectively.Bending joint comprises rotation trigger member, the second elastic element and traction piece, and traction piece is flexible traction piece, and is fixed on mounting pipe through mounting pipe by operated key, rotates trigger member and is connected with the release connection part of the lockout mechanism of children trolley.
When carrying out traction unlocking operation, mounting pipe and operated key is gripped in the lump by external force (such as utilizing one hand etc.), make traction piece in the draw lower slider preset displacement of external force, and then the geared lock mechanisms of releasing bending joint is to the twist-lock state between the first joint connector and second joint attaching parts; Mounting pipe is turned to the trigger position of the first joint connector around the rotation axis of second joint attaching parts, rotate trigger member and move preset displacement to the first joint connector under the effect of the second elastic element, drive the release connection part action of the lockout mechanism of children trolley.
In another embodiment, bending joint can be arranged on mounting pipe and lean against between pipe, mounting pipe with lean against pipe and be fixedly connected with the first joint connector with the second joint attaching parts of bending joint respectively.Bending joint comprises and rotates trigger member, the second elastic element and traction piece, and traction piece is flexible traction piece, and to be fixed on by operated key to lean against on pipe through leaning against pipe, rotates trigger member and is connected with the release connection part of the lockout mechanism of children trolley.
When carrying out traction unlocking operation, gripped in the lump by external force (such as utilizing one hand etc.) and lean against pipe and operated key, make traction piece in the draw lower slider preset displacement of external force, and then the geared lock mechanisms of releasing bending joint is to the twist-lock state between the first joint connector and second joint attaching parts; To the rotation axis of pipe around second joint attaching parts be leaned against turn to the trigger position of the first joint connector, rotate trigger member and move preset displacement to the first joint connector under the effect of the second elastic element, drive the release connection part action of the lockout mechanism of children trolley.
In another embodiment, bending joint can also be arranged between mounting pipe and pedal tube, and pedal tube and mounting pipe are fixedly connected with second joint attaching parts with the first joint connector of bending joint respectively.Bending joint comprises rotation trigger member, the second elastic element and traction piece, and traction piece is flexible traction piece, and is fixed on pedal tube through pedal tube by operated key, rotates trigger member and is connected with the release connection part of the lockout mechanism of children trolley.
When carrying out traction unlocking operation, pedal tube and operated key is gripped in the lump by external force (such as utilizing one hand etc.), make traction piece in the draw lower slider preset displacement of external force, and then the geared lock mechanisms of releasing bending joint is to the twist-lock state between the first joint connector and second joint attaching parts; Pedal tube is turned to the trigger position of the first joint connector around the rotation axis of second joint attaching parts, rotate trigger member and move preset displacement to the first joint connector under the effect of the second elastic element, drive the release connection part action of the lockout mechanism of children trolley.
Finally should be noted that: above embodiment is only in order to illustrate that technical scheme of the present invention is not intended to limit; Although with reference to preferred embodiment to invention has been detailed description, those of ordinary skill in the field are to be understood that: still can modify to the specific embodiment of the present invention or carry out equivalent replacement to portion of techniques feature; And not departing from the spirit of technical solution of the present invention, it all should be encompassed in the middle of the technical scheme scope of request of the present invention protection.
Claims (14)
1. the bending joint of a children trolley, comprise: the first joint connector, second joint attaching parts and geared lock mechanisms, described first joint connector and second joint attaching parts fasten mutually, and carrying out pivot joint by the first pivot, described first joint connector and second joint attaching parts can with described first pivot for axis relatively rotate predetermined angle;
It is characterized in that, described bending joint is arranged symmetrically with at the left and right sides of described children trolley, and described bending joint also comprises: provide mode of traction to remove the traction release mechanism of described geared lock mechanisms to the twist-lock state between described first joint connector and described second joint attaching parts to the bending joint of the left and right sides of described children trolley simultaneously.
2. the bending joint of children trolley according to claim 1, it is characterized in that, the circumferential inner wall of described first joint connector and the circumferential inner wall of second joint attaching parts are equipped with tooth-shape structure, described geared lock mechanisms comprises: lock gear and the first elastic element, described lock gear is located in the cavity that described first joint connector and second joint attaching parts formed jointly, and the tooth-shape structure of described lock gear can intermesh with the tooth-shape structure of the circumferential inner wall of the circumferential inner wall of described first joint connector and second joint attaching parts; Described first elastic element is located between described lock gear and described first joint connector; When described geared lock mechanisms is in the lock state, described lock gear is intermeshed with the tooth-shape structure of the circumferential inner wall of described first joint connector and the circumferential inner wall of second joint attaching parts under the effect of described first elastic element simultaneously.
3. the bending joint of children trolley according to claim 2, it is characterized in that, described traction release mechanism comprises: traction piece, joint lid conciliates lock slide, the one end be arranged on away from described first joint connector on described second joint attaching parts is covered in described joint, described joint lid comprises lid and pivot guide portion, described solution lock slide is arranged between described lock gear and described joint cover, and described pivot guide portion is through described solution lock slide and described lock gear, and limit described lid and described first joint connector synchronous axial system, described pivot guide portion is provided with the pivot guide hole coordinated with described first pivot, the two ends of described traction piece are connected with the described solution lock slide of the bending joint of the left and right sides at described children trolley respectively, can when described in external force traction when traction piece, pull described solution lock slide relative to described joint lid slip preset displacement, described first elastic element is compressed to make described lock gear, and depart from the meshing relation with the gear structure of the circumferential inner wall of described second joint attaching parts.
4. the bending joint of children trolley according to claim 3, it is characterized in that, described traction piece is hard pull bar, described lid is also provided with away from the side of described solution lock slide the traction piece guide portion guiding described traction piece, described traction piece guide portion is provided with and coordinates with described traction piece, for the traction piece guiding groove that described traction piece slides, described traction piece is connected with described solution lock slide by tie bolt, and described traction piece guide portion is also provided with the tie bolt sliding tray limiting described tie bolt range of movement; By applying external force traction to described traction piece, described solution lock slide can be made outwards to slide in the radial direction of described first pivot preset displacement.
5. the bending joint of children trolley according to claim 3, is characterized in that, described traction piece is flexible traction piece, and described traction piece is connected directly between on described solution lock slide; By applying external force traction to described traction piece, described solution lock slide can be made outwards to slide in the radial direction of described first pivot preset displacement.
6. the bending joint of the children trolley according to claim 3 or 4 or 5, it is characterized in that, described solution lock slide is provided with inclined plane groove near the side of described lock gear, described lock gear is provided with inclined-plane boss near the side of described solution lock slide, and contact with described inclined plane groove and coordinate, the centre of described solution lock slide and described lock gear is equipped with the long slot bore passed through for described pivot guide portion; Under the state of described solution lock slide outside slip preset displacement in the radial direction of described first pivot, the inclined plane groove of described solution lock slide extrudes described inclined-plane boss, overcome the thrust of described first elastic element, described lock gear is moved, until depart from the meshing relation with the tooth-shape structure of the circumferential inner wall of described second joint attaching parts to the direction away from described solution lock slide; Described traction piece is not applied draw or do not apply enough tractive forces state under, described lock gear is under the effect of described first elastic element, move near the direction of described solution lock slide, extrude described solution lock slide to reset, the tooth-shape structure of the circumferential inner wall of described lock gear and described first joint connector and described second joint attaching parts is engaged simultaneously.
7. the bending joint of children trolley according to claim 1, it is characterized in that, also comprise a rotation trigger member and the second elastic element, described second joint attaching parts is provided with the mounting hole of its pivot center of sensing, for holding described rotation trigger member, described rotation trigger member has an inner chute, by being pivotally mounted on described second joint attaching parts through second of described inner chute, described second elastic element is arranged in described inner chute near between one end of the pivot center of described second joint attaching parts and described second pivot; Under the state being in the trigger position of described first joint connector in described rotation trigger member, described rotation trigger member moves preset displacement to described first joint connector under the effect of described second elastic element.
8. the bending joint of children trolley according to claim 7, it is characterized in that, described trigger position on the excircle of described first joint connector is provided with tangential grooves, and described rotation trigger member is set to the shape coordinated with described tangential grooves near one end of described first joint connector.
9. the bending joint of children trolley according to claim 7, it is characterized in that, described trigger position on the excircle of described first joint connector is provided with evagination and hooks shape moulding, described rotation trigger member be set near one end of described first joint connector to hook with described evagination that shape moulding coordinates link groove or pulling buckle.
10. a children trolley, comprises handle pipe, mounting pipe, the lockout mechanism that leans against pipe and pedal tube and correspond between all parts, it is characterized in that, also comprise the bending joint of the arbitrary described children trolley of claim 1 ~ 9.
11. children trolleys according to claim 10, it is characterized in that, described bending joint is arranged in described handle pipe, described handle pipe comprises epimere and hypomere, the epimere of described handle pipe is fixedly connected with the first joint connector of described bending joint, and the hypomere of described handle pipe is fixedly connected with the second joint attaching parts of described bending joint;
Described bending joint comprises rotation trigger member, the second elastic element and traction piece, and described traction piece is hard pull bar, and the epimere of close described handle pipe, described rotation trigger member is connected with the release connection part of the lockout mechanism of described children trolley;
When carrying out traction unlocking operation, epimere and the traction piece of described handle pipe is gripped in the lump by external force, make described traction piece in the draw lower slider preset displacement of external force, and then the geared lock mechanisms removing described bending joint is to the twist-lock state between described first joint connector and described second joint attaching parts; The epimere of described handle pipe is turned to the trigger position of described first joint connector around the rotation axis of described second joint attaching parts, described rotation trigger member moves preset displacement to described first joint connector under the effect of described second elastic element, drives the release connection part action of the lockout mechanism of described children trolley.
12. children trolleys according to claim 10, it is characterized in that, described bending joint is arranged on described mounting pipe and describedly leans against between pipe, and described mounting pipe is fixedly connected with second joint attaching parts with the first joint connector of described bending joint respectively with the described pipe that leans against;
Described bending joint comprises rotation trigger member, the second elastic element and traction piece, and described traction piece is flexible traction piece, and being fixed on described mounting pipe through described mounting pipe by operated key, described rotation trigger member is connected with the release connection part of the lockout mechanism of described children trolley;
When carrying out traction unlocking operation, described mounting pipe and operated key is gripped in the lump by external force, make described traction piece in the draw lower slider preset displacement of external force, and then the geared lock mechanisms removing described bending joint is to the twist-lock state between described first joint connector and described second joint attaching parts; Described mounting pipe is turned to the trigger position of described first joint connector around the rotation axis of described second joint attaching parts, described rotation trigger member moves preset displacement to described first joint connector under the effect of described second elastic element, drives the release connection part action of the lockout mechanism of described children trolley.
13. children trolleys according to claim 10, it is characterized in that, described bending joint is arranged on described mounting pipe and describedly leans against between pipe, and described mounting pipe is fixedly connected with the first joint connector with the second joint attaching parts of described bending joint respectively with the described pipe that leans against;
Described bending joint comprises rotation trigger member, the second elastic element and traction piece, and described traction piece is flexible traction piece, and lean against described in passing pipe be fixed on by operated key described in lean against on pipe, described rotation trigger member is connected with the release connection part of the lockout mechanism of described children trolley;
When carrying out traction unlocking operation, pipe and operated key is leaned against described in being gripped in the lump by external force, make described traction piece in the draw lower slider preset displacement of external force, and then the geared lock mechanisms removing described bending joint is to the twist-lock state between described first joint connector and described second joint attaching parts; Pipe to turn to described first joint connector trigger position around the rotation axis of described second joint attaching parts is leaned against by described, described rotation trigger member moves preset displacement to described first joint connector under the effect of described second elastic element, drives the release connection part action of the lockout mechanism of described children trolley.
14. children trolleys according to claim 10, it is characterized in that, described bending joint is arranged between described mounting pipe and described pedal tube, and described pedal tube is fixedly connected with second joint attaching parts with the first joint connector of described bending joint respectively with described mounting pipe;
Described bending joint comprises rotation trigger member, the second elastic element and traction piece, and described traction piece is flexible traction piece, and being fixed on described pedal tube through described pedal tube by operated key, described rotation trigger member is connected with the release connection part of the lockout mechanism of described children trolley;
When carrying out traction unlocking operation, described pedal tube and operated key is gripped in the lump by external force, make described traction piece in the draw lower slider preset displacement of external force, and then the geared lock mechanisms removing described bending joint is to the twist-lock state between described first joint connector and described second joint attaching parts; Described pedal tube is turned to the trigger position of described first joint connector around the rotation axis of described second joint attaching parts, described rotation trigger member moves preset displacement to described first joint connector under the effect of described second elastic element, drives the release connection part action of the lockout mechanism of described children trolley.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310362784.8A CN104417594B (en) | 2013-08-19 | 2013-08-19 | Bending joints of child stroller and child stroller |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310362784.8A CN104417594B (en) | 2013-08-19 | 2013-08-19 | Bending joints of child stroller and child stroller |
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| Publication Number | Publication Date |
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| CN104417594A true CN104417594A (en) | 2015-03-18 |
| CN104417594B CN104417594B (en) | 2017-02-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310362784.8A Active CN104417594B (en) | 2013-08-19 | 2013-08-19 | Bending joints of child stroller and child stroller |
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| Country | Link |
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| CN (1) | CN104417594B (en) |
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| CN110269434A (en) * | 2019-07-24 | 2019-09-24 | 中山市硕森日用制品有限公司 | A kind of baby rocking chair frame |
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| Publication number | Publication date |
|---|---|
| CN104417594B (en) | 2017-02-08 |
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Effective date of registration: 20160505 Address after: The 519090 Bay area Guangdong city of Zhuhai province red Hong Kong Industrial Zone area Yongan Road No. 11 Applicant after: Sunnylove Baby Products Zhuhai Co., Ltd. Address before: 519015 Guangdong province Zhuhai City Jiuzhou Road East Building B3-5 Applicant before: Unitron Enterprises Zhuhai Co., Ltd. |
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