CN208731061U - A kind of trolley with mounting commutation function - Google Patents

Abstract

The utility model relates to trolley technical fields, in particular disclose a kind of trolley with mounting commutation function, including folding stand, folding mounting and commutation joint；Folding stand is connected to the first joint, folds mounting and is connected to joint body；First joint, joint body are respectively equipped with the first block, the second block, fold the two sides that the second block of mounting commutation front and back contradicts the first block respectively；When folding mounting forward direction is returned the vehicle to the garage and knock off, folding stand is unlocked, related first block rotation, the first block and the second block link when folding stand folds at this time, and the folding that realization folds mounting is returned the vehicle to the garage and knock off；When folding mounting reversely returns the vehicle to the garage and knock off, folding stand is unlocked, folding mounting, which folds, to be folded to the stroke range of the chassis of folding stand, during folding stand folds, is returned the vehicle to the garage and knock off via the folding that chassis conflict folds mounting completion folding mounting；The folding that the trolley for folding mounting commutation front and back only needs unlock folding stand that vehicle can be completed is returned the vehicle to the garage and knock off, and the folding efficiency of trolley is promoted.

Description

A kind of trolley with mounting commutation function

Technical field

The utility model relates to trolley technical fields, in particular disclose a kind of trolley with mounting commutation function.

Background technique

Trolley is one of the common trip tool gone out with child, and trolley is mounted on infant seats portion, in hand push In the use process of vehicle, it is often necessary to opposite according to state (when such as child is during sleep or child is awake) adjustment seat portion of child The relative position of handcart frame needs to be convenient for seat portion progress switching operation in order to promote the service performance of trolley The storage of trolley, trolley in the prior art mostly have folder function, but the construction of trolley is complicated in the prior art, The folding of seat portion commutation front and back is returned the vehicle to the garage and knock off cumbersome, time-consuming and laborious, and use is extremely inconvenient.

Utility model content

In order to overcome shortcoming and defect existing in the prior art, the purpose of this utility model is to provide one kind to have seat The trolley of frame commutation function folds the folding that the trolley of mounting commutation front and back only needs unlock folding stand that vehicle can be completed It returns the vehicle to the garage and knock off, it is easy to operate without being operated via other additional steps, it is easy to use, greatly promote the folding efficiency of trolley.

To achieve the above object, a kind of trolley with mounting commutation function of the utility model, including folding stand, Mounting and commutation joint are folded, folding stand, folding mounting are detachably connected via commutation joint；The commutation joint includes the One joint and the second joint being detachably connected with the first joint, the first joint are equipped with first sliding groove, protrude into first sliding groove Conducting bar and from the bottom wall of first sliding groove it is recessed made of locked groove；Second joint includes joint body, closing piece, snap-fastener, the first elasticity Part and the second elastic component, the rib that joint body is equipped with prominent plate and connect with prominent plate, prominent plate sliding are located in first sliding groove, rib Between conducting bar and the bottom wall of first sliding groove；Closing piece is movably set in joint body, and the first elastic component is for driving closing piece projection Enter in locked groove；Snap-fastener is movably set in joint body, and the second elastic component is for driving snap-fastener to reset, and snap-fastener is for driving closing piece from lock It is exited in slot；Folding stand folds mounting for being connected to joint body for being connected to the first joint；First joint is equipped with first Block, joint body are equipped with the second block, fold the left and right sides that the second block of mounting commutation front and back contacts at the first block respectively.

Preferably, the folding stand includes third joint, the 4th joint, axis body, hand push frame, first support, second Frame and chassis, the one end in the first joint, third joint and the 4th joint is rotated via axis body to be arranged, one end installing of first support In third joint, the other end of first support is rotatably dispose in one end of chassis, and one end of second support is rotatably dispose in the 4th The other end in joint, the other end of second support are rotatably dispose in the other end of chassis, and one end of hand push frame is installed in the 4th pass Section；One end of second support is equipped with pit, and the 4th joint is provided with movable lock pillar and for driving lock pillar to protrude into pit Third elastic component, the other end of hand push frame is equipped with the unlocking mechanism for driving lock pillar to exit out of pit.

Preferably, the folding stand further includes the fixed block for being installed in the one end in the 4th joint or hand push frame, lock pillar is sliding Dynamic to be set to fixed block, third elastic component is spring, and the both ends of third elastic component contradict fixed block and lock pillar respectively, lock pillar it is another One end protrudes into pit；Unlocking mechanism include wire drawing and be set to hand push frame the other end driving assembly, driving assembly warp By wire drawing driving lock pillar close to fixed block so that the other end of lock pillar is exited out of pit, third elastic component is for driving lock pillar It protrudes into pit.

Preferably, the driving component includes driving plate, gear button, the 4th elastic component and guide pin, driving plate, gear button and guide pin It is slideably positioned in the other end of hand push frame, the 4th elastic component driving gear button contradicts driving plate so that driving plate is fixed on hand push On the other end of frame, the glide direction of driving plate and the glide direction of guide pin are arranged in a crossed manner, and driving plate is equipped with guiding groove, and guide pin is prominent It protrudes into guiding groove, the side wall of guiding groove contradicts guide pin, and wire drawing is connected to guide pin far from one end of lock pillar, and the driving plate of sliding is driven The related wire drawing of dynamic pilot pin is mobile, and mobile wire drawing pulls lock pillar to exit out of pit.

Preferably, the 4th joint includes an article body, the first pan portion for being set to article body one end, is set to an article body other end Two the second pan portions, two the second pan portions are spaced each other and are arranged in parallel, and one end of hand push frame is installed in a body, second support One end be rotatably dispose in the first pan portion, third joint is located between two the second pan portions, and the side in third joint, which is equipped with, to be run through The arc shaped blind slot of one the second pan portion, the first joint are equipped with the fixture block protruded into arc shaped blind slot, the side wall at arc shaped blind slot both ends It is respectively used to contradict fixture block；4th joint is equipped with the limited post of two the second pan portions of connection, and third joint is equipped with closes through third The arc wears groove of section, limited post are located in arc wears groove, and the side wall at arc wears groove both ends is respectively used to contradict limited post.

Preferably, the folding mounting includes seating against frame, pedal frame, arm-rest frame and sunshade, seats against frame and removably connect It is connected to joint body, pedal frame, arm-rest frame are rotatably dispose in the one end for seating against frame, and sunshade, which is rotatably dispose in, seats against the another of frame End, pedal frame seat against frame and are coplanar with.

Preferably, the second joint further includes pedestal, pedestal is detachably connected with joint body, joint body be located at pedestal with Between first joint, folds mounting and be removably attachable to pedestal, closing piece is slideably positioned between pedestal and joint body, closing piece One end is through joint body and protrudes into locked groove, and the glide direction of closing piece and the glide direction of prominent plate are arranged in a crossed manner.

Preferably, the joint body is equipped with second sliding slot, second sliding slot is formed from joint body close to the side of pedestal is recessed, Snap-fastener includes press section and the driving portion that connect with press section, and driving portion sliding is located in second sliding slot, and press section stretches out Outside joint body, driving portion is for contradicting closing piece.

Preferably, the joint body is equipped with two guide plates being located in second sliding slot, joint body is equipped with through joint body Perforation, perforation are located between two guide plates, and closing piece is slideably positioned between two guide plates, and one end of closing piece is protruded into via perforation In locked groove.

Preferably, the driving portion is equipped with the guide hole through driving portion, two guide plates are respectively positioned in guide hole, the first elastic component Both ends contradict the other end of pedestal and closing piece respectively, the both ends of the second elastic component contradict closing piece and press section respectively.

The utility model has the beneficial effects that unlocking folding stand when folding mounting forward direction is returned the vehicle to the garage and knock off, folding stand is folded at this time When the rotation of related first block, the first block and the second block link, and realizes that the folding of folding mounting is returned the vehicle to the garage and knock off；It is reversed to fold mounting When returning the vehicle to the garage and knock off, folding stand is unlocked, mounting folding is folded and folds to the stroke range of the chassis of folding stand, rolled in folding stand In folded process, return the vehicle to the garage and knock off via the folding that chassis contradicts folding mounting completion folding mounting；Fold the hand push of mounting commutation front and back The folding that vehicle only needs unlock folding stand that vehicle can be completed is returned the vehicle to the garage and knock off, and the folding efficiency of trolley is promoted.

Detailed description of the invention

Fig. 1 is the schematic perspective view folded before mounting commutation of the utility model；

Fig. 2 is the schematic perspective view folded after mounting ring shape of the utility model；

Fig. 3 changes arthrotropic schematic perspective view for the utility model；

Fig. 4 changes arthrotropic decomposition texture schematic diagram for the utility model；

Fig. 5 is first joint, third joint, the 4th joint, fixed block, third elastic component and lock pillar of the utility model Schematic perspective view；

Fig. 6 is the schematic perspective view of the joint body of the utility model；

Fig. 7 is the schematic perspective view of the 4th joint of the utility model, second support, hand push frame and unlocking mechanism；

Fig. 8 is the partial enlargement structural representation of part A in Fig. 7；

Fig. 9 is the partial enlargement structural representation of part B in Fig. 7；

Figure 10 is the schematic perspective view of the closing piece of the utility model；

Figure 11 is the decomposition texture schematic diagram at the commutation another visual angle in joint of the utility model.

Appended drawing reference includes:

1-folding stand 2-folding mounting 3-commutation joint

4-the first joint 5-second joint, 6-first sliding groove

7-conducting bar 8-locked groove, 9-joint bodies

11-the 13-the first elastic components of 12-snap-fastener of closing piece

14-the second 15-16-rib of plate of dashing forward of elastic component

17-18-the four 19-axis bodies of joint of third joint

21-hand push frame 22-first support, 23-second supports

24-chassis 25-pit, 26-lock pillars

27-third elastic component 28-unlocking mechanism, 29-fixed blocks

31-wire drawing 32-driving assembly, 33-driving plates

34-gear 35-the four 36-guide pins of elastic component of button

37-guiding groove the 39-the first pan portions of 38-body

41-the second pan portion 42-arc shaped blind slot, 43-fixture block

44-45-arc of limited post wears grooves 46-seat against frame

47-pedal frame 48-arm-rest frame, 49-sunshades

51-52-second sliding slot of pedestal, 53-press sections

54-55-guide plate of driving portion, 56-perforation

57-the 59-the first guide ramps of 58-body of rod of guide hole

61-the second the 63-the first block of 62-relief hole of guide ramp

64-the second block 65-guiding rib, 66-guide groove

67-the 69-the first limited blocks of 68-accommodation groove of boss

71-the second limited block.

Specific embodiment

For the ease of the understanding of those skilled in the art, the utility model is made below with reference to examples and drawings further Explanation, the content that embodiment refers to not is restriction to the utility model.

It please refers to shown in Fig. 1 to Fig. 6, a kind of trolley with mounting commutation function of the utility model, including folds Vehicle frame 1 folds mounting 2 and commutation joint 3, and folding stand 1, folding mounting 2 are detachably connected to one via commutation joint 3 It rises；The commutation joint 3 includes the first joint 4 and the second joint 5 being detachably connected with the first joint 4, sets on the first joint 4 It is equipped with first sliding groove 6, protrudes into the conducting bar 7 in first sliding groove 6 and the locked groove in first sliding groove 68, conducting bar 7 and first is slided The bottom wall of slot 6 is spaced each other and is arranged in parallel, and the bottom wall of locked groove 8 from first sliding groove 6 is recessed to be formed；Second joint 5 includes joint Body 9, closing piece 11, snap-fastener 12, the first elastic component 13 and the second elastic component 14, be provided on joint body 9 prominent plate 15 and with prominent plate 15 The rib 16 of connection, joint body 9, prominent plate 15 and rib 16 are that integral type constructs, the outer surface of dash forward plate 15 from joint body 9 project and At the outer surface of rib 16 from prominent plate 15 projects, and rib 16 is spaced each other and is arranged in parallel with joint body 9, and plate 15 of dashing forward is sliding Visibly moved to be located in first sliding groove 6, between conducting bar 7 and the bottom wall of first sliding groove 6, conducting bar 7 is located at rib 16 and closes rib 16 It saves between body 9；Closing piece 11 is movably arranged on joint body 9, and the first elastic component 13 is for driving closing piece 11 to protrude into locked groove 8； Snap-fastener 12 is movably arranged on joint body 9, and the second elastic component 14 is for driving snap-fastener 12 to reset, and snap-fastener 12 is for driving closing piece 11 It is exited out of locked groove 8；Folding stand 1 folds mounting 2 for being connected to joint body 9 for being connected to the first joint 4.

It is provided with the first block 63 being emerging in first sliding groove 6 on first joint 4, is arranged on joint body 9 useful It is contradicted respectively in the second block 64 of the second block 64 for contradicting the first block 63, the second joint 5 for front and back of commutating in first gear On the left and right sides of block 63；After folding mounting 2 changes forward second joint 5 and the first joint 4 fits together, second gear Block 64 contradicts on the left side of the first block 63；Second joint 5 and the first joint 4 after folding mounting 2 and commutating are assembled in one After rising, the second block 64 is contradicted on the right side of the first block 63.Realize that first closes using the first block 63, the second block 64 Locking limit between section 4, second joint 5.

When needing to commutate to folding mounting 2, user presses snap-fastener 12 with hand, so that 12 opposed articulation body of snap-fastener 9 is mobile, and the snap-fastener 12 after movement drives closing piece 11 to exit out of locked groove 8, then can be by the related folding mounting 2 of second joint 5 It is exited out of first sliding groove 6, the disengaging so that the first joint 4 and second joint 5 are separated from each other, then conversion folds the side of mounting 2 To then the related folding mounting 2 of second joint 5 being reinserted in first sliding groove 6 again, the second elastic component 14 drives snap-fastener 12 multiple Position, the first elastic component 13 driving closing piece 11 are protruded into again in locked groove 8, and then by the locking of second joint 5 on the first joint 4, So that folding stand 1 links together with mounting 2 is folded；It realizes the quick commutation for folding mounting 2, promotes the usability of trolley Energy.

When folding 2 forward direction of mounting is returned the vehicle to the garage and knock off, folding stand 1 is unlocked, it is 63 turns of first block related when folding stand 1 folds at this time Dynamic, by the mutual conflict of the first block 62 and the second block 64, the first block 62 and the second block 64 link, and realize foldable base The folding of frame 2 is returned the vehicle to the garage and knock off；When folding mounting 2 reversely returns the vehicle to the garage and knock off, folding stand 1 is unlocked, the folding of mounting 2 is folded and folds to folding stand 1 Chassis stroke range in, folding stand 1 fold during, via folding stand 1 chassis contradict fold mounting 2 it is complete It returns the vehicle to the garage and knock off at the folding for folding mounting 2；The trolley for folding the commutation of mounting 2 front and back only needs unlock folding stand 1 that vehicle can be completed Folding return the vehicle to the garage and knock off, without via other additional steps operate, it is easy to operate, it is easy to use, promote the folding efficiency of trolley.

The folding stand 1 includes third joint 17, the 4th joint 18, axis body 19, hand push frame 21, first support 22, the Two brackets 23 and chassis 24, the generally circular plate in third joint 17, the first joint 4, third joint 17 and the 4th joint 18 One end is rotated via axis body 19 to be arranged, and one end of first support 22 is installed on third joint 17, the other end of first support 22 It being rotatably arranged on one end of chassis 24, one end of second support 23 is rotatably arranged on the other end in the 4th joint 18, and second The other end of bracket 23 is rotatably arranged on the other end of chassis 24, and one end of hand push frame 21 is installed on the 4th joint 18；This In embodiment, the lower end of chassis 24 is equipped with the idler wheel (unlabeled in figure) of at least three rotations, and the line of at least three idler wheels is Triangle pushes trolley movement convenient for users to grasping hand push frame 21, and one end of second support 23 is provided with pit 25, pit 25 form from the outer surface of second support 23 is recessed, and the 4th joint 18 is provided with movable lock pillar 26 and for driving lock pillar 26 prominent The third elastic component 27 in pit 25 is protruded into, the side wall of pit 25 contradicts lock pillar 26, prevent the 4th joint 18 is from opposite second Bracket 23 rotates, it is ensured that trolley cannot be folded, and in the present embodiment, the 4th joint 18 is arranged with the sliding of lock pillar 26, hand push frame 21 other end is provided with the unlocking mechanism 28 for driving lock pillar 26 to exit out of pit 25, and third elastic component 27 is for driving Lock pillar 26 protrudes into pit 25.

When folding 2 forward direction of mounting, folding stand 1 is unlocked, joint body 9 follows hand push frame 21 to link, realizes trolley Folding is returned the vehicle to the garage and knock off；When fold mounting 2 it is reversed when, unlock folding stand 1, joint body 9 do not link with hand push frame 21, joint body 9 via First joint 4 folds in the stroke range of chassis 24, and what the conflict of chassis 24 was connect with joint body 9 seats against frame 46, utilizes chassis 24 realization that folds seats against folding for frame 46, to complete folding for trolley.

When needing folding pushchair, user triggers unlocking mechanism 28, so that lock pillar 26 is exited out of pit 25, then The 4th joint 18 may make to relatively rotate with second support 23, second support 23 is relatively rotated with chassis 24, first support 22 It is relatively rotated with the relative rotation of the 4th joint 18, first support 22 and chassis 24, until entire folding stand 1 folds completion, During folding stand 1 folds, the related folding mounting 2 of folding stand 1 is completed to fold the folding of mounting 2, until completing hand push The entire folding of vehicle is returned the vehicle to the garage and knock off.

It please refers to shown in Fig. 1 to Fig. 9, the folding stand 1 further includes being installed on the 4th joint 18 or hand push frame 21 Fixed block 29 on one end, in the present embodiment, hand push frame 21 is hollow tubulose, and fixed block 29 is installed in hand push frame 21, is locked Column 26 is installed in hand push frame 21, and lock pillar 26 is slidably arranged on fixed block 29, and third elastic component 27 is spring, third elastic component 27 both ends are contradicted respectively on fixed block 29 and on lock pillar 26, third elastic component 27 between fixed block 29 and lock pillar 26, The other end of lock pillar 26 protrudes into pit 25；Unlocking mechanism 28 includes wire drawing 31 and is arranged on the other end of hand push frame 21 Driving assembly 32, driving assembly 32 is mobile via the direction that wire drawing 31 drives lock pillar 26 towards close fixed block 29, so that lock pillar 26 other end is exited out of pit 25.

In actual use, user drives wire drawing 31 mobile using driving assembly 32, and mobile wire drawing 31 pulls lock pillar 26 It is mobile towards the direction of close fixed block 29, while the third elastic component 27 between fixed block 29 and lock pillar 26 is pressed Contracting can then fold trolley until the other end of lock pillar 26 is released out of pit 25.In the present embodiment, the 4th It is provided with the first limited block 69 on joint 18, is provided with the second limited block 71 in second support 23, pit 25 is from second support 23 Outer surface it is recessed enter the second limited block 71 in, when lock pillar 26 protrudes into pit 25, the appearance of 69 one end of the first limited block Face contradict on the outer surface of 71 one end of the second limited block, avoid second support 23,18 inordinate rotation of the 4th joint and twist off lock Column 26；After the completion of trolley folding, the outer surface of 69 other end of the first limited block is contradicted in 71 other end of the second limited block On outer surface, 18 inordinate rotation of second support 23 and the 4th joint is avoided, promote the folding efficiency of trolley and folds yield.

The driving component 32 includes driving plate 33, gear the 34, the 4th elastic component 35 of button and guide pin 36, driving plate 33, gear button 34 and guide pin 36 be slidably arranged on the other end of hand push frame 21, the 4th elastic component 35 driving gear button 34 contradict driving plates 33 with So that driving plate 33 is fixed on the other end of hand push frame 21, the 4th elastic component 35 is spring, the both ends point of the 4th elastic component 35 Di Chu not be on gear button 34 and on the other end of hand push frame 21, the glide direction of driving plate 33 and the glide direction of guide pin 36 are intersected It is arranged, in the present embodiment, the glide direction of guide pin 36 and the glide direction of gear button 34 are arranged in parallel, the glide direction of driving plate 33 It is vertically arranged with the glide direction of gear button 34, guiding groove 37, the length direction of guiding groove 37 and driving is provided in driving plate 33 The glide direction of plate 33 is arranged in a crossed manner, and the length direction of guiding groove 37 and the glide direction of guide pin 36 are arranged in a crossed manner, guide pin 36 It protrudes into guiding groove 37, the side wall of guiding groove 37 contradicts guide pin 36, and wire drawing 31 is connected to guide pin 36 far from one end of lock pillar 26 On, the driving plate 33 of sliding drives the related wire drawing 31 of guide pin 36 mobile, and mobile wire drawing 31 pulls lock pillar 26 to move back out of pit 25 Out.

When needing folding pushchair, sliding gear button 34 makes gear button 34 no longer contradict driving plate 33, at this time the 4th elasticity Part 35 is compressed, and then user's pressing driving plate 33 slides driving plate 33 with respect to hand push frame 21, due to guiding groove 37 Side wall contradict on guide pin 36, driving plate 33 slide when can be driven guide pin 36 with respect to hand push frame 21 slide, guide pin 36 slide When can related wire drawing 31 it is mobile, related lock pillar 26 is towards mobile close to the direction of fixed block 29 when mobile for wire drawing 31, so that third Elastic component 27 is compressed, and lock pillar 26 can be exited towards the direction movement close to fixed block 29 out of pit 25, can then be rolled over Folded trolley.After trolley is unfolded again, third elastic component 27 drives the reverse movement of lock pillar 26 to protrude into pit 25 again Interior, lock pillar 26 drives driving plate 33 to reset via wire drawing 31, guide pin 36, and then the 4th elastic component 35 driving gear button 34 resets, multiple Gear button 34 behind position contradicts driving plate 33, prevents driving plate 33 from lock pillar 26 being driven to move back out of pit 25 by casual touch Out, safety when trolley uses is promoted.

4th joint 18 includes article body 38, the first pan portion 39 being arranged on 38 one end of article body, is arranged in article body 38 Two the second pan portions 41 on the other end, the construction of two the second pan portions 41 is identical, and two the second pan portions 41 are spaced each other and put down Row setting, one end of hand push frame 21 is installed on a body 38, it is preferable that one end of hand push frame 21 is through article body 38 and protrudes into the In one pan portion 39, one end of second support 23 is rotatably arranged in the first pan portion 39, one end of second support 23 via pivot with The rotation setting of first pan portion 39, third joint 17 are located between two the second pan portions 41, and the side in third joint 17, which is provided with, to be passed through The arc shaped blind slot 42 of second pan portion 41 is worn, the first joint 4 is provided with the fixture block 43 protruded into arc shaped blind slot 42, and arc is blind The side wall at 42 both ends of slot is respectively used to contradict fixture block 43；When one end of fixture block 43 contradicts the side wall of 42 one end of arc shaped blind slot, folding Folded mounting 2, which is in, stretchs out position；When the other end of fixture block 43 contradicts the side wall of 42 other end of arc shaped blind slot, fold at mounting 2 In folding position；The limited post 44 of two the second pan portions 41 of connection is provided on 4th joint 18, limited post 44 is closed through third Section 17, third joint 17 is provided with the arc wears groove 45 through third joint 17, and limited post 44 is located in arc wears groove 45, arc The side wall at 45 both ends of wears groove is respectively used to contradict limited post 44；When limited post 44 contradicts the side wall of 45 one end of arc wears groove, foot It steps on frame 47 and is in extended state；When limited post 44 contradicts the side wall of 45 other end of arc wears groove, pedal frame 47 is in rugosity State.

The folding mounting 2 includes seating against frame 46, pedal frame 47, arm-rest frame 48 and sunshade 49, and it is detachable to seat against frame 46 Ground is connected on joint body 9, is folded mounting 2 and is connected on commutation joint 3 via frame 46 is seated against, pedal frame 47, arm-rest frame 48 are equal It is rotatably arranged on the one end for seating against frame 46, sunshade 49 is rotatably arranged on the other end for seating against frame 46, and pedal frame 47 seats against Frame 46 is coplanar with.In actual use, child is sitting on the region for seating against the formation of frame 46, and foot is placed on pedal frame 47, children The hand of youngster can grasp arm-rest frame 48, and the puggaree that sunshade 49 is installed can block strong sunlight.

The second joint 5 further includes pedestal 51, and pedestal 51 is detachably connected with joint body 9, and joint body 9 is located at pedestal 51 Between the first joint 4, folds mounting 2 and be detachably connected on pedestal 51, closing piece 11 is slidably arranged in pedestal 51 and joint Between body 9, one end of closing piece 11 through joint body 9 and is protruded into locked groove 8, the sliding of the glide direction of closing piece 11 and prominent plate 15 Direction is arranged in a crossed manner.

When user presses snap-fastener 12,12 opposed articulation body 9 of snap-fastener is mobile, and elastic shape occurs for the second elastic component 14 at this time Become, the snap-fastener 12 after movement drives closing piece 11 mobile, so that closing piece 11 is exited out of locked groove 8, closing piece 11 is moved back out of locked groove 8 Make the first elastic component 13 that elastic deformation occur when out, it then can be by the prominent plate 15 of second joint 5 from the first of the first joint 4 It is exited in sliding slot 6, the first joint 4 of realization separates disengaging with second joint 5, is mounted on second joint 5 due to folding mounting 2 On pedestal 51, second joint 5 and the first joint 4 separate and can will fold mounting 2 after disengaging and with folding stand 1 separate disengaging.So User will fold 2 front and back conversion direction of mounting again afterwards, fold the commutation of mounting 2 and then by the related folding mounting of second joint 5 2 reinsert in first sliding groove 6, and the second elastic component 14 drives snap-fastener 12 to reset in the presence of a tensile force, for foldable base next time The commutation of frame 2 is ready；The closing piece 11 of first elastic component 13 driving simultaneously resets so that closing piece 11 is protruded into again in locked groove 8, Using closing piece 11 and the cooperation of locked groove 8 by the first joint 4,5 clamping of second joint together with；And then mounting 2 will be folded and folded Vehicle frame 1 is connected and fixed via commutation joint 3, it is preferable that locked groove 8 is blind slot, i.e., locked groove 8 does not run through the first joint 4, lock The bottom wall of slot 8 is used for block closing piece 11, when the first elastic component 13 driving closing piece 11 resets, prevents closing piece 11 from excessively protruding into the In one joint 4.

Second sliding slot 52 is provided on the joint body 9, second sliding slot 52 is recessed close to the side of pedestal 51 from joint body 9 It forms, in actual use, snap-fastener 12 is packed into second sliding slot 52, in turn will using the opening that pedestal 51 covers second sliding slot 52 Snap-fastener 12 is encapsulated in second sliding slot 52, prevents snap-fastener 12 from falling via the opening of second sliding slot 52；Snap-fastener 12 includes press section 53 and the driving portion 54 that is connect with press section 53, the sliding of driving portion 54 be installed in second sliding slot 52, press section 53 stretches out pass It saves outside body 9, driving portion 54 is for contradicting closing piece 11.

In actual use, user's benefit presses with finger snap-fastener 12 and stretches out press section 53 outside joint body 9, so that pressing The related driving portion 54 in portion 53 slides in second sliding slot 52, since driving portion 54 contradicts closing piece 11, when driving portion 54 slides Driving closing piece 11 is exited out of locked groove 8, can be by second joint 5 from the first joint after closing piece 11 exits completely out of locked groove 8 It is extracted on 4, realizes that the first joint 4 is disengaged from each other with second joint 5, and then realize that folding mounting 2 and separating for folding stand 1 takes off From.

Two guide plates 55 in second sliding slot 52 are provided on the joint body 9, it is preferable that two guide plates 55 are each other It is spaced and is arranged in parallel, the bottom wall of two guide plates 55 from second sliding slots 52 projects；Joint body 9 is provided with through joint body 9 Perforation 56, perforation 56 is located between two guide plates 55, limited using two guide plates 55 to the glide direction of closing piece 11, prevented Only skew occurs in sliding process for closing piece 11, and one end of closing piece 11 protrudes into locked groove 8 via perforation 56；When the one of closing piece 11 After distal process protrudes into locked groove 8, the side wall of locked groove 8 contradicts closing piece 11, prevents second joint 5 from falling off from the first joint 4, in turn So that the first joint 4 is together with 5 clamping of second joint.

The guide hole 57 through driving portion 54 is provided on the driving portion 54, two guide plates 55 are respectively positioned in guide hole 57, lead The aperture in hole 57 is greater than the distance between two guide plates 55, and when driving portion 54 is slided with respect to the first joint 4, guide plate 55 can be It is moved in guide hole 57, the both ends of the first elastic component 13 are contradicted respectively on pedestal 51 and on the other end of closing piece 11, the first elasticity Part 13 and the second elastic component 14 are spring, and the glide direction of the first elastic component 13 is identical as the glide direction of closing piece 11, and second The both ends of elastic component 14 are contradicted respectively on closing piece 11 and on press section 53, glide direction and the snap-fastener 12 of the second elastic component 14 Glide direction is identical, and the glide direction of closing piece 11 and the glide direction of snap-fastener 12 are vertically arranged.

In the present embodiment, the glide direction of the length direction and closing piece 11 of the first elastic component 13 is arranged in parallel, the second elasticity The length direction of part 14 and the glide direction of snap-fastener 12 are arranged in parallel, and pedestal 51 is close to the side of closing piece 11, closing piece 11 close to seat The side of body 51 is provided with Blind locating holes (unlabeled in figure), and the both ends of the first elastic component 13 are installed with respectively determines in pedestal 51 In the blind hole of position and in the Blind locating holes of closing piece 11, the side wall of Blind locating holes stops the first elastic component 13, prevents the first elastic component 13 Opposite pedestal 51 relatively moves, while being also prevented from 13 lock block opposite lock block 11 of the first elastic component and relatively moving.Press section 53 It is equipped with close to the side of closing piece 11, closing piece 11 close to the side of press section 53 and positions shrinkage pool (not shown), the second elasticity The both ends of part 14 are installed with respectively in the positioning shrinkage pool of press section 53 and in the positioning shrinkage pool of closing piece 11.

It please refers to shown in Fig. 1 to Figure 11, the closing piece 11 is connected with the body of rod 58, the substantially strip cylinder of the body of rod 58, closing piece It is provided with the first guide ramp 59 on 11 and protrudes into the second guide ramp 61 in locked groove 8 convenient for closing piece 11, the body of rod 58 is used for It contradicting in the first guide ramp 59, the first guide ramp 59, the second guide ramp 61 are arranged in a crossed manner, in the present embodiment, first Guide ramp 59 is vertically arranged with the second guide ramp 61.

When user, which presses snap-fastener 12, slides 12 opposed articulation body 9 of snap-fastener, snap-fastener is guided using second sliding slot 52 12 glide direction, the related movement of the body of rod 58 when sliding of snap-fastener 12, since the body of rod 58 contradicts the body of rod in the first guide ramp 59 It may make when 58 movement and relatively moved between the body of rod 58 and the first guide ramp 59, the mobile body of rod 58 squeezes and pushes away closing piece 11 So that closing piece 11 is mobile towards the direction far from the first joint 4, until closing piece 11 exits completely out of locked groove 8, then user is Second joint 5 can be grasped, so that the prominent plate 15 of second joint 5 is exited out of first sliding groove 6, until the first joint 4, second joint 5 are separated from each other disengaging, to realize that fold mounting 2 and folding stand 1 separates disengaging.

After folding the completion commutation of the related second joint 5 of mounting 2, it is sliding that the prominent plate 15 of second joint 5 is reinserted first In slot 6, after second joint 5 and the first joint 4 are assembled into desired position, snap-fastener 12 is unclamped, the driving of the second elastic component 14 is pressed Button 12 sets back, while the first elastic component 13 driving closing piece 11 is protruded into again in locked groove 8, protrudes into locked groove 8 in closing piece 11 In interior process, due to being provided with the second guide ramp 61, the edge of 8 opening of locked groove contradicts the second guide ramp 61, so that Closing piece 11 easily protrudes into locked groove 8, promotes the clamping efficiency and clamping yield in the first joint 4 and second joint 5.

The relief hole 62 through closing piece 11 is provided on the closing piece 11,58 activity of the body of rod is installed in relief hole 62, allows The side wall in position hole 62 forms the sealing ring for surrounding the body of rod 58, stops the body of rod 58 using sealing ring, prevents the body of rod 58 along the body of rod 58 Radial direction and closing piece 11 separate disengaging, and the first guide ramp 59 is the side wall of 62 side of relief hole.In addition, the side wall of guide hole 57 Formed surround closing piece 11 closed-loop, using closed-loop stop closing piece 11, prevent closing piece 11 along the body of rod 58 axial direction with by Button 12 is separately detached from.

The guiding rib 65 in first sliding groove 6, the length direction of guiding rib 65 and are provided on the second joint 5 The length direction of one sliding slot 6 is arranged in parallel, and guide groove 66 is provided on prominent plate 15, and the sliding of guiding rib 65 is installed in guide groove 66 Interior, the side wall of guide groove 66 is used for block guiding rib 65, after the prominent plate 15 of second joint 5 is inserted into first sliding groove 6, guiding Rib 65 is installed in guide groove 66, using the left and right sides of the bottom wall difference block rib 16 of conducting bar 7, first sliding groove 6, prevents the It is moved in left-right direction relative to the first joint 4 in two joints 5；Using the two sides of the side wall block guiding rib 65 of 66 two sides of guide groove, Prevent second joint 5 from moving along the longitudinal direction relative to the first joint 4；It is provided on second joint 5 and folds mounting 2 for being installed with Accommodation groove 68, side of the accommodation groove 68 from pedestal 51 far from joint body 9 is recessed to be formed, and accommodation groove 68 is in vertical bar shape, accommodation groove 68 Central axis and first sliding groove 6 central axis it is arranged in a crossed manner, after extraneous folding mounting 2 completes commutation, so that folding Folded mounting 2 forms X-type with folding stand 1, it is ensured that the stability of trolley entirety.

The width of the press section 53 is greater than the width of driving portion 54, is provided on the first joint 4 and protrudes into first sliding groove 6 Interior boss 67, boss 67 make in 12 retraction first sliding groove 6 of snap-fastener for contradicting press section 53 when user presses snap-fastener 12 When, using 67 block press section 53 of boss to prevent snap-fastener 12 to be excessively inserting in first sliding groove 6；One guide plate 55 is led for contradicting Side wall of the hole 57 far from 53 one end of press section, when the second elastic component 14 driving snap-fastener 12 sets back, which is led Side wall of the hole 57 far from 53 one end of press section, to prevent snap-fastener 12 from excessively exiting out of first sliding groove 6.

The above content is only the preferred embodiment of the utility model, for those of ordinary skill in the art, according to this reality With novel thought, there will be changes in the specific implementation manner and application range, and the content of the present specification should not be construed as Limitations of the present invention.

Claims (10)

1. a kind of trolley with mounting commutation function, including folding stand, folding mounting and commutation joint, folding stand, Mounting is folded to be detachably connected via commutation joint；It is characterized by: the commutation joint includes the first joint and closes with first The second joint being detachably connected is saved, the first joint is equipped with first sliding groove, protrudes into the conducting bar in first sliding groove and slide from first Locked groove made of the bottom wall of slot is recessed；Second joint includes joint body, closing piece, snap-fastener, the first elastic component and the second elastic component, is closed The rib that body is equipped with prominent plate and connect with prominent plate is saved, prominent plate sliding is located in first sliding groove, and rib is located at conducting bar and first and slides Between the bottom wall of slot；Closing piece is movably set in joint body, and the first elastic component is for driving closing piece to protrude into locked groove；Snap-fastener activity It is set to joint body, the second elastic component is for driving snap-fastener to reset, and snap-fastener is for driving closing piece to exit out of locked groove；Folding stand For being connected to the first joint, mounting is folded for being connected to joint body；First joint is equipped with the first block, and joint body is equipped with the Two blocks fold the left and right sides that the second block of mounting commutation front and back contacts at the first block respectively.

2. the trolley according to claim 1 with mounting commutation function, it is characterised in that: the folding stand includes Third joint, the 4th joint, axis body, hand push frame, first support, second support and chassis, the first joint, third joint and the 4th The one end in joint is rotated via axis body to be arranged, and one end of first support is installed in third joint, the other end rotation of first support It is set to one end of chassis, one end of second support is rotatably dispose in the other end in the 4th joint, and the other end of second support turns The dynamic other end for being set to chassis, one end of hand push frame is installed in the 4th joint；One end of second support is equipped with pit, and the 4th closes Section is provided with movable lock pillar and the third elastic component for driving lock pillar to protrude into pit, and the other end of hand push frame, which is equipped with, to be used In the unlocking mechanism that driving lock pillar is exited out of pit.

3. the trolley according to claim 2 with mounting commutation function, it is characterised in that: the folding stand also wraps The fixed block for being installed in the one end in the 4th joint or hand push frame is included, lock pillar is slideably positioned in fixed block, and third elastic component is spring, The both ends of third elastic component contradict fixed block and lock pillar respectively, and the other end of lock pillar protrudes into pit；Unlocking mechanism includes drawing Silk and be set to hand push frame the other end driving assembly, driving assembly via wire drawing driving lock pillar close to fixed block so that lock The other end of column is exited out of pit, and third elastic component is for driving lock pillar to protrude into pit.

4. the trolley according to claim 3 with mounting commutation function, it is characterised in that: the driving component includes Driving plate, gear button, the 4th elastic component and guide pin, driving plate, gear button and guide pin are slideably positioned in the other end of hand push frame, and the 4th Elastic component driving gear button contradicts driving plate so that driving plate is fixed on the other end of hand push frame, the glide direction of driving plate with The glide direction of guide pin is arranged in a crossed manner, and driving plate is equipped with guiding groove, and guide pin protrudes into guiding groove, and the side wall conflict of guiding groove is led Pin, wire drawing are connected to guide pin far from one end of lock pillar, and the related wire drawing of driving plate driving guide pin of sliding is mobile, and mobile wire drawing is drawn Dynamic lock pillar is exited out of pit.

5. the trolley according to claim 2 with mounting commutation function, it is characterised in that: the 4th joint includes Body, the first pan portion for being set to body one end, two the second pan portions for being set to a body other end, two the second pan portions are each other It is spaced and is arranged in parallel, one end of hand push frame is installed in a body, and one end of second support is rotatably dispose in the first pan portion, and third is closed For section between two the second pan portions, the side in third joint is equipped with the arc shaped blind slot through second pan portion, the first joint Equipped with the fixture block protruded into arc shaped blind slot, the side wall at arc shaped blind slot both ends is respectively used to contradict fixture block；4th joint, which is equipped with, to be connected The limited post of two the second pan portions is connect, third joint is equipped with the arc wears groove through third joint, and limited post is located at arc wears groove Interior, the side wall at arc wears groove both ends is respectively used to contradict limited post.

6. the trolley according to claim 1 with mounting commutation function, it is characterised in that: the folding mounting includes Frame, pedal frame, arm-rest frame and sunshade are seated against, frame is seated against and is removably attachable to joint body, pedal frame, arm-rest frame are rotated and set It is placed in the one end for seating against frame, sunshade is rotatably dispose in the other end for seating against frame, and pedal frame seats against frame and is coplanar with.

7. the trolley according to claim 1 with mounting commutation function, it is characterised in that: the second joint also wraps Pedestal is included, pedestal is detachably connected with joint body, and joint body folds mounting and removably connect between pedestal and the first joint It is connected to pedestal, closing piece is slideably positioned between pedestal and joint body, and one end of closing piece through joint body and protrudes into locked groove, is locked The glide direction of block and the glide direction of prominent plate are arranged in a crossed manner.

8. the trolley according to claim 7 with mounting commutation function, it is characterised in that: the joint body is equipped with the Two sliding slots, second sliding slot are formed from joint body close to the side of pedestal is recessed, and snap-fastener includes press section and connect with press section Driving portion, driving portion sliding are located in second sliding slot, and press section stretches out outside joint body, and driving portion is for contradicting closing piece.

9. the trolley according to claim 8 with mounting commutation function, it is characterised in that: the joint body is equipped with position In two guide plates in second sliding slot, joint body is equipped with the perforation through joint body, and perforation is located between two guide plates, and closing piece is sliding Dynamic to be set between two guide plates, one end of closing piece protrudes into locked groove via perforation.

10. the trolley according to claim 9 with mounting commutation function, it is characterised in that: the driving portion is equipped with Through the guide hole of driving portion, two guide plates are respectively positioned in guide hole, and the both ends of the first elastic component contradict the another of pedestal and closing piece respectively One end, the both ends of the second elastic component contradict closing piece and press section respectively.