CN216833857U

CN216833857U - Children's barrow

Info

Publication number: CN216833857U
Application number: CN202220116369.9U
Authority: CN
Inventors: 廖整辉
Original assignee: Zhongshan Xingshang Baby Product Co ltd
Current assignee: Zhongshan Xingshang Baby Product Co ltd
Priority date: 2022-01-17
Filing date: 2022-01-17
Publication date: 2022-06-28
Anticipated expiration: 2032-01-17

Abstract

The utility model discloses a children's shallow, include: bottom sprag frame that can fold, bottom sprag frame includes the front leg and rotates the back leg of connecting on the front leg around first axis A, all be connected with the wheel subassembly on front leg and the back leg, and still rotate around second axis B on the bottom sprag frame and be connected with the vaulting pole, be equipped with between bottom sprag frame and the vaulting pole and drive the first drive assembly that the front leg drawn close to the back leg when the vaulting pole rotates to draw close to the bottom sprag frame, still be connected with between bottom sprag frame and the vaulting pole and rotate the seat frame that draws close to the bottom sprag frame when the vaulting pole rotates to draw close to the bottom sprag frame, and bottom sprag frame, be equipped with between seat frame and the vaulting pole and order about the seat frame to rotate the second drive assembly who draws close to the bottom sprag frame when the vaulting pole rotates to draw close to the bottom sprag frame. The utility model aims at overcoming the defects of the prior art and providing a child cart which has simple structure and is convenient to fold.

Description

Children's barrow

[ technical field ] A method for producing a semiconductor device

The utility model relates to a children's shallow.

[ background of the invention ]

In the prior art, the structure of the baby stroller is various, the connecting structure of each rod piece on the stroller frame is also various, and accordingly, the folding and unfolding working principles of the stroller frame are also different. At present, most children's shallow need rely on people's both hands to go the operation when folding and expansion, and folding operation is comparatively inconvenient, especially when the family is holding child, can not vacate both hands at all and operate the shallow, and this has caused the inconvenience of use to a certain extent.

The utility model discloses it is just based on above-mentioned not enough research and development and produce.

[ Utility model ] content

The utility model aims at overcoming the defects of the prior art and providing a child cart which has simple structure and is convenient to fold.

The utility model discloses a realize through following technical scheme:

a stroller movable from an unfolded position to a folded position upon release of a locking assembly, comprising: a foldable bottom support frame 1, the bottom support frame 1 comprises a front leg 11 and a rear leg 12 which is rotatably connected with the front leg 11 around a first axis A, the front leg 11 and the rear leg 12 are both connected with a wheel component 13, a stay bar 2 is rotatably connected on the bottom support frame 1 around a second axis B, a first driving component 3 which can drive the front leg 11 to approach to the rear leg 12 when the stay bar 2 rotates to approach to the bottom support frame 1 is arranged between the bottom support frame 1 and the stay bar 2, a seat frame 4 which can rotate to the bottom support frame 1 to draw close when the stay bar 2 rotates to the bottom support frame 1 to draw close is also connected between the bottom support frame 1 and the stay bar 2, and a second driving component 5 which drives the seat frame 4 to rotate towards the bottom support frame 1 to draw close when the support rod 2 rotates towards the bottom support frame 1 to draw close is arranged among the bottom support frame 1, the seat frame 4 and the support rod 2.

The second driving component 5 comprises a sliding sleeve 51 connected to the front leg 11 in a sliding manner, the front end of the seat frame 4 is connected to the sliding sleeve 51 in a rotating manner, a linkage rod 52 is arranged between the sliding sleeve 51 and the supporting rod 2, the linkage rod 52 can drive the sliding sleeve 51 to slide along the front leg 11 and further drive the seat frame 4 to rotate towards the bottom supporting frame 1 to move towards when the supporting rod 2 rotates towards the bottom supporting frame 1, the front end of the linkage rod 52 is connected to the sliding sleeve 51 in a rotating manner around a fourth axis D, and the rear end of the linkage rod 52 is connected to the supporting rod 2 in a rotating manner around a fifth axis E.

The seat frame 4 include that the rear end rotates around third axis C and connects the seat frame main part 41 on preceding leg 11, seat frame main part 41 front end and sliding sleeve 51 between be equipped with can rotate the connecting rod 42 of being connected with the two, connecting rod 42 upper end rotate around sixth axis F and connect on seat frame main part 41, connecting rod 42 lower extreme rotate around seventh axis G and connect on sliding sleeve 51.

The sliding sleeve 51 is provided with an extension part 511 extending downwards, the linkage rod 52 comprises an arc-shaped section 521 and a straight line section 522 connected with the arc-shaped section 521, the front end of the arc-shaped section 521 is rotatably connected to the extension part 511 around a fourth axis D, and the rear end of the straight line section 522 is rotatably connected to the stay bar 2 around a fifth axis E.

The first driving assembly 3 comprises a first guiding sliding groove 31 arranged on the rear leg 12, a second guiding sliding groove 32 which can be communicated with the first guiding sliding groove 31 is arranged on the front leg 11, the stay bar 2 is provided with a third guide runner 33 which can be communicated with the second guide runner 32, the stay bar 2 is also connected with a connecting pin shaft 34 which can transversely penetrate through the third guide chute 33, the second guide chute 32 and the first guide chute 31 and can move in the third guide chute 33, the second guide chute 32 and the first guide chute 31 when the stay bar 2 is closed and folded relative to the bottom support frame 1, the third guiding chute 33 is provided with a first driving surface 331 which can push the connecting pin 34 to slide in the first guiding chute 31 when the stay bar 2 is drawn towards the bottom support frame 1, the second guiding chute 32 is provided with a second driving surface 321 which is pressed by the connecting pin 34 when the connecting pin 34 slides to drive the front leg 11 to move towards the rear leg 12.

Locking subassembly 6 set up between foreleg 11 and vaulting pole 2, just locking subassembly 6 including locating the lock position 61 on foreleg 11, vaulting pole 2 on be equipped with and slide relatively and block 62 of going into or breaking away from lock position 61, block 62 and vaulting pole 2 between be connected with and to make block 62 keep the elastic component 63 of kayser state, vaulting pole 2 in still sliding connection have the unlocking piece 64, unlocking piece 64 and block 62 between be equipped with cable 65, vaulting pole 2 on still sliding connection have can roof pressure unlocking piece 64 and make unlocking piece 64 slide down and then stimulate the gliding handspike 9 of block 62 relative vaulting pole 2.

Seat frame 4 on be connected with seat subassembly 7, seat subassembly 7 including dismantling the seat portion 71 of connecting on seat frame 4, seat portion 71 on still be connected with back portion 72, back portion 72 on still be connected with handrail 73, handrail 73 on detachably be connected with dinner plate subassembly 8.

Dinner plate subassembly 8 subassembly including installing dinner plate main part 81 to on the bar 73, dinner plate main part 81 on rotate and be connected with can rather than the cooperation and be connected dinner plate main part 81 and fix to the buckle 82 of being connected on the bar 73, buckle 82 on be equipped with joint position 821, just dinner plate main part 81 on sliding connection have can block in or break away from joint position 821's joint piece 83, joint piece 83 and dinner plate main part 81 between be connected with and to make joint piece 83 keep the elastic component 84 of kayser state, joint piece 83 on still be equipped with convex operation portion 831.

The seat portion 71 is further connected to a connecting frame 75 which can be rotated and unfolded relative to the seat portion 71 to extend the front and rear length of the seat portion 71, and a locking device 76 which can lock the connecting frame 75 and the seat portion 71 is provided between the connecting frame and the seat portion.

The backrest part 72 is rotatably connected to the seat part 71, the grab bar 73 is rotatably connected to the backrest part 72, a connecting rod 74 is connected between the front end of the grab bar 73 and the front end of the seat part 71, the upper end of the connecting rod 74 is rotatably connected to the front end of the grab bar 73, and the lower end of the connecting rod 74 is rotatably connected to the front end of the seat part 71.

Compared with the prior art, the utility model discloses there is following advantage:

1. when the child stroller needs to be folded, the locking assembly is unlocked firstly, then the support rod is pushed to be close to the rear leg around the second axis B, the first driving assembly moves along with the support rod in the process that the support rod rotates to close to the rear leg, so that the front leg is close to the rear leg around the first axis A, the second driving assembly is driven to move simultaneously in the process that the support rod rotates to close to the rear leg, the seat frame rotates relative to the bottom support frame when the second driving assembly moves, the front leg is close to the rear leg until the support rod is close to the rear leg, and the whole child stroller is folded when the front leg is close to the rear leg and the seat frame is close to the front leg. The folding of the whole vehicle can be realized only by rotating the stay bar to draw close to the rear leg after unlocking the locking assembly by an adult, and the operation is more convenient.

2. When the child needs to have dinner, the dinner plate component is arranged on the grab bar, and the seat group

[ description of the drawings ]

Fig. 1 is a perspective view of the stroller of the present invention;

fig. 2 is one of the side views of the stroller of the present invention;

fig. 3 is a second side view of the stroller of the present invention;

fig. 4 is a state diagram of the folding process of the stroller of the present invention;

fig. 5 is one of the state diagrams of the stroller of the present invention when the folding is completed;

fig. 6 is a second state diagram of the stroller of the present invention when folding is completed;

fig. 7 is one of cross-sectional views of the stroller of the present invention;

fig. 8 is a second cross-sectional view of the stroller of the present invention;

fig. 9 is a third cross-sectional view of the stroller of the present invention;

fig. 10 is an exploded view of the stroller of the present invention;

FIG. 11 is a perspective view of the tray and the grab bar of the stroller of the present invention;

fig. 12 is a cross-sectional view of the tray and the grab bar of the stroller of the present invention.

[ detailed description ] embodiments

The invention will be further described with reference to the accompanying drawings:

as shown in fig. 1-12, the present invention provides a stroller that can be moved from an unfolded position to a folded position when a locking assembly is released, comprising: a foldable bottom support frame 1, the bottom support frame 1 comprises a front leg 11 and a rear leg 12 which is rotatably connected with the front leg 11 around a first axis A, the front leg 11 and the rear leg 12 are both connected with a wheel component 13, a stay bar 2 is rotatably connected on the bottom support frame 1 around a second axis B, a first driving component 3 which can drive the front leg 11 to approach to the rear leg 12 when the stay bar 2 rotates to approach to the bottom support frame 1 is arranged between the bottom support frame 1 and the stay bar 2, a seat frame 4 which can rotate to the bottom support frame 1 to draw close when the stay bar 2 rotates to the bottom support frame 1 to draw close is also connected between the bottom support frame 1 and the stay bar 2, and a second driving component 5 which drives the seat frame 4 to rotate and draw close to the bottom support frame 1 when the support rod 2 rotates and draws close to the bottom support frame 1 is arranged between the seat frame 4 and the support rod 2.

When the child stroller needs to be folded, the locking assembly is unlocked firstly, then the support rod 2 is pushed to be close to the rear leg 12 around the second axis B, the first driving assembly 3 moves along with the support rod 2 in the process that the support rod 2 rotates to be close to the rear leg 12 to enable the front leg 11 to be close to the rear leg 12 around the first axis A, the second driving assembly 5 is driven to move simultaneously in the process that the support rod 2 rotates to be close to the rear leg 12, the seat frame 4 also rotates relative to the bottom support frame 1 to be close to the front leg 11 when the second driving assembly 5 moves until the support rod 2 is close to the rear leg 12, the front leg 11 is close to the rear leg 12, and the seat frame 4 is close to the front leg 11, so that the folding of the whole child stroller is completed. The adult only needs to rotate the stay bar 2 to get close to the rear leg 12 after unlocking the locking assembly, so that the folding of the whole vehicle can be realized, and the operation is more convenient.

As shown in fig. 9, the second driving assembly 5 includes a sliding sleeve 51 slidably connected to the front leg 11, the front end of the seat frame 4 is rotatably connected to the sliding sleeve 51, a linkage rod 52 is disposed between the sliding sleeve 51 and the stay bar 2, the linkage rod can drive the sliding sleeve 51 to slide along the front leg 11 when the stay bar 2 rotates toward the bottom support frame 1, so as to drive the seat frame 4 to rotate toward the bottom support frame 1, the front end of the linkage rod 52 is rotatably connected to the sliding sleeve 51 around a fourth axis D, and the rear end of the linkage rod 52 is rotatably connected to the stay bar 2 around a fifth axis E. When the stay bar 2 rotates towards the rear legs 12 to be closed, the stay bar 2 drives the rear end of the linkage bar 52 to be closed towards the rear legs 12, the rear end of the linkage bar 52 rotates around the fifth axis E relative to the stay bar 2 to enable the front end of the linkage bar 52 to push the sliding sleeve 51 to slide along the front legs 11, and the seat frame 4 connected to the sliding sleeve 51 is gradually closed towards the front legs 11.

As shown in fig. 5 to 5, the seat frame 4 includes a seat frame main body 41 with a rear end rotatably connected to the front leg 11 around a third axis C, a connecting rod 42 rotatably connected to the seat frame main body 41 is disposed between the front end of the seat frame main body 41 and the sliding sleeve 51, an upper end of the connecting rod 42 is rotatably connected to the seat frame main body 41 around a sixth axis F, and a lower end of the connecting rod 42 is rotatably connected to the sliding sleeve 51 around a seventh axis G. When the sliding sleeve 51 slides along the front leg 11, the sliding sleeve 51 drives the lower end of the connecting rod 42 to move, the connecting rod 42 rotates around the seventh axis G relative to the sliding sleeve 51, the upper end of the connecting rod 42 rotates around the sixth axis F relative to the seat frame body 41 to pull the front end of the seat frame body 41 to be drawn to the front leg 11, and the rear end of the seat frame body 41 rotates around the third axis C relative to the front leg 11 to make the seat frame body 41 to be gradually drawn to the front leg 11, so that the seat frame 4 is drawn to the front leg 11 to be folded.

As shown in fig. 9, the sliding sleeve 51 is provided with an extension 511 extending downward, the linkage rod 52 includes an arc-shaped section 521 and a straight line section 522 connected to the arc-shaped section 521, the front end of the arc-shaped section 521 is rotatably connected to the extension 511 around a fourth axis D, and the rear end of the straight line section 522 is rotatably connected to the stay 2 around a fifth axis E. The extension part 511 and the arc-shaped section 521 are matched to enable the linkage rod 52 to have enough space and pressure when the stay bar 2 is folded towards the rear leg 12, so that the sliding sleeve 51 can slide downwards along the front leg 11, a blocking state cannot occur, and the seat frame 4 can be more smoothly folded towards the front leg 11.

As shown in fig. 10, the first driving assembly 3 includes a first guiding sliding slot 31 disposed on the rear leg 12, the front leg 11 is provided with a second guiding sliding slot 32 capable of communicating with the first guiding sliding slot 31, the stay bar 2 is provided with a third guiding sliding slot 33 capable of communicating with the second guiding sliding slot 32, the stay bar 2 is further connected with a connecting pin 34 capable of transversely penetrating the third guiding sliding slot 33, the second guiding sliding slot 32 and the first guiding sliding slot 31 and capable of movably moving in the third guiding sliding slot 33, the second guiding sliding slot 32 and the first guiding sliding slot 31 when the stay bar 2 is folded toward the bottom bracket 1, the third guiding sliding slot 33 is provided with a first driving surface 331 capable of pushing the connecting pin 34 to slide in the first guiding sliding slot 31 when the stay bar 2 is drawn toward the bottom bracket 1, the second guiding sliding slot 32 is provided with a second driving surface 321 pushed by the connecting pin 34 to drive the front leg 11 toward the rear leg 12 when the connecting pin 34 slides . When the rotary stay bar 2 rotates towards the rear leg 12 and approaches, the third guide sliding groove 33 on the stay bar 2 moves along with the movement, so that the first driving surface 331 presses the connecting pin shaft 34 to slide in the first guide sliding groove 31, when the connecting pin shaft 34 slides in the first guide sliding groove 31, the second driving surface 321 of the second guide sliding groove 32 is gradually pressed, at the moment, the front leg 11 gradually rotates relative to the rear leg 12 and approaches towards the rear leg 12, and when the stay bar 2 and the rear leg 12 approach and the front leg 11 and the rear leg 12 approach, the whole stroller is folded. The adult can do so by simply unlocking the locking assembly and then pushing the brace 2 closer to the rear legs 12.

As shown in fig. 7, the locking assembly 6 is disposed between the front leg 11 and the stay bar 2, the locking assembly 6 includes a locking part 61 disposed on the front leg 11, the stay bar 2 is provided with a locking part 62 capable of sliding relative to the stay bar and being locked or separated from the locking part 61, an elastic part 63 capable of enabling the locking part 62 to keep a locking state is connected between the locking part 62 and the stay bar 2, the stay bar 2 is further connected with an unlocking block 64 in a sliding manner, a pulling cable 65 is disposed between the unlocking block 64 and the locking part 62, and the stay bar 2 is further connected with a hand push rod 9 capable of pushing the unlocking block 64 to enable the unlocking block 64 to slide downward relative to the stay bar 2 and further pull the locking part 62 to slide. When the child stroller needs to be folded, the locking assembly 6 needs to be unlocked, the pushing hand push rod 9 slides relative to the support rod 2, at the moment, the hand push rod 9 pushes the unlocking block 64 to enable the unlocking block 64 to slide relative to the support rod 2, the unlocking block 64 pulls the locking piece 62 to slide when sliding, the locking piece 62 is separated from the locking position 61, the locking assembly 6 is unlocked at the moment, the support rod 2 can rotate towards the rear leg 12 to be drawn close, and the front leg 11 can also rotate towards the rear leg 12 to be drawn close.

As shown in fig. 1 and 11, the seat assembly 7 is connected to the seat frame 4, the seat assembly 7 includes a seat portion 71 detachably connected to the seat frame 4, a backrest portion 72 is further connected to the seat portion 71, a grab bar 73 is further connected to the backrest portion 72, and the dinner plate assembly 8 is detachably connected to the grab bar 73. When a child needs to have a meal, the tray assembly 8 is mounted on the rods 73 and the seat assembly 7 can also be used as a dining chair.

As shown in fig. 12, dinner plate assembly 8 subassembly include can install dinner plate main part 81 to on handrail pole 73, dinner plate main part 81 on rotate and be connected with can rather than the cooperation and be connected dinner plate main part 81 and fix the connection buckle 82 on handrail pole 73, buckle 82 on be equipped with joint position 821, just dinner plate main part 81 on sliding connection have can block in or break away from joint position 821's joint piece 83, joint piece 83 and dinner plate main part 81 between be connected with and to make joint piece 83 keep the elastic component 84 of kayser state, joint piece 83 on still be equipped with convex operation portion 831. When the tray assembly 8 needs to be taken down, the operation portion 831 is operated, and when the operation portion 831 is operated, the clamping block 83 is driven to slide relative to the tray main body 81, at this time, the clamping block 83 is separated from the clamping position 821 on the connecting buckle 82, the connecting buckle 82 rotates relative to the tray main body 81, at this time, the free end of the connecting buckle 82 falls down, and an adult can take the tray main body 81 down from the grab bar 73.

As shown in fig. 2, a connecting frame 75 which can be rotated and unfolded relative to the seat portion 71 to extend the front and rear length of the seat portion 71 is connected to the seat portion 71, and a locking device 76 which can lock the connecting frame 75 and the seat portion 71 is provided between them. After unlocking the lock 76, the link frame 75 can be unfolded from below the seat portion 71 to extend the front-rear length of the seat portion 71, the legs of the child can be placed in the link frame 75 when the child is seated, the child can be seated more safely and comfortably, when the link frame 75 is not to be used, the lock 76 is unlocked, and then the link frame 75 is turned to below the seat portion 71.

As shown in fig. 6, the backrest part 72 is pivotally connected to the seat part 71, the grab bar 73 is pivotally connected to the backrest part 72, a connecting rod 74 is connected between the front end of the grab bar 73 and the front end of the seat part 71, the upper end of the connecting rod 74 is pivotally connected to the front end of the grab bar 73, and the lower end of the connecting rod 74 is pivotally connected to the front end of the seat part 71. The present seat assembly 7 is also foldable, reducing the volume occupied when stored.

Claims

1. A stroller movable from an unfolded position to a folded position upon release of a locking assembly, comprising: bottom sprag frame (1) that can fold, bottom sprag frame (1) include preceding leg (11) and rotate around first axis (A) and connect back leg (12) on preceding leg (11), preceding leg (11) and back leg (12) on all be connected with wheel subassembly (13), just bottom sprag frame (1) on still rotate around second axis (B) and be connected with vaulting pole (2), bottom sprag frame (1) and vaulting pole (2) between be equipped with and drive first drive assembly (3) that can drive preceding leg (11) and draw close to back leg (12) when vaulting pole (2) rotate to bottom sprag frame (1), bottom sprag frame (1) and vaulting pole (2) between still be connected with and can rotate seat frame (4) that draw close to bottom sprag frame (1) when vaulting pole (2) rotate to bottom sprag frame (1) and draw close to, just bottom sprag frame (1), A second driving component (5) which drives the seat frame (4) to rotate and draw close to the bottom support frame (1) when the support rod (2) rotates and draws close to the bottom support frame (1) is arranged between the seat frame (4) and the support rod (2).

2. The stroller of claim 1, wherein: second drive assembly (5) including sliding sleeve (51) of sliding connection on preceding leg (11), just seat frame (4) front end rotate to connect on sliding sleeve (51), sliding sleeve (51) and vaulting pole (2) between be equipped with and can order about sliding sleeve (51) to slide along preceding leg (11) and then drive seat frame (4) to rotate linkage rod (52) that draw close to bottom sprag frame (1) when vaulting pole (2) rotate to draw close, linkage rod (52) front end rotate around fourth axis (D) and connect on sliding sleeve (51), linkage rod (52) rear end rotate around fifth axis (E) and connect on vaulting pole (2).

3. The stroller of claim 2, wherein: seat frame (4) include that the rear end rotates around third axis (C) and connects seat frame main part (41) on preceding leg (11), seat frame main part (41) front end and sliding sleeve (51) between be equipped with can rotate connecting rod (42) of being connected with the two, connecting rod (42) upper end rotate around sixth axis (F) and connect on seat frame main part (41), connecting rod (42) lower extreme rotate around seventh axis (G) and connect on sliding sleeve (51).

4. The stroller of claim 2, wherein: the sliding sleeve (51) is provided with an extension part (511) extending downwards, the linkage rod (52) comprises an arc-shaped section (521) and a straight line section (522) connected with the arc-shaped section (521), the front end of the arc-shaped section (521) is rotatably connected to the extension part (511) around a fourth axis (D), and the rear end of the straight line section (522) is rotatably connected to the support rod (2) around a fifth axis (E).

5. The stroller of claim 1, wherein: the first driving assembly (3) comprises a first guide chute (31) arranged on the rear leg (12), a second guide chute (32) capable of being communicated with the first guide chute (31) is arranged on the front leg (11), a third guide chute (33) capable of being communicated with the second guide chute (32) is arranged on the support rod (2), the support rod (2) is further connected with a connecting pin shaft (34) capable of transversely penetrating through the third guide chute (33), the second guide chute (32) and the first guide chute (31) and capable of moving in the third guide chute (33), the second guide chute (32) and the first guide chute (31) when the support rod (2) is closed and folded relative to the bottom support frame (1), the third guide chute (33) is provided with a first driving surface (331) capable of pushing the connecting pin shaft (34) to slide in the first guide chute (31) when the support rod (2) is closed towards the bottom support frame (1), the second guide sliding groove (32) is provided with a second driving surface (321) which is pressed by the connecting pin shaft (34) when the connecting pin shaft (34) slides to drive the front leg (11) to approach the rear leg (12).

6. The stroller of claim 1, wherein: locking subassembly (6) set up between preceding leg (11) and vaulting pole (2), just locking subassembly (6) including locating lock position (61) on preceding leg (11), vaulting pole (2) on be equipped with and to slide relatively it and block in or break away from block (62) of lock position (61), block between block (62) and vaulting pole (2) be connected with elastic component (63) that can make block (62) keep the kayser state, vaulting pole (2) in still sliding connection have unlocking piece (64), unlocking piece (64) and block between the piece (62) be equipped with cable (65), vaulting pole (2) on still sliding connection have can roof pressure unlocking piece (64) and make unlocking piece (64) relative vaulting pole (2) lapse and then pulling the gliding handspike (9) of block (62).

7. The stroller of claim 1, wherein: seat frame (4) on be connected with seat subassembly (7), seat subassembly (7) including dismantling seat portion (71) of connecting on seat frame (4), seat portion (71) on still be connected with back portion (72), back portion (72) on still be connected with bar (73), bar (73) on detachably be connected with dinner plate subassembly (8).

8. The stroller of claim 7, wherein: dinner plate subassembly (8) subassembly including can installing dinner plate main part (81) on handrail pole (73), dinner plate main part (81) go up to rotate and be connected with and can rather than the cooperation and connect fixed connection buckle (82) to on handrail pole (73) dinner plate main part (81), buckle (82) on be equipped with joint position (821), just dinner plate main part (81) go up sliding connection and have joint piece (83) that can block into or break away from joint position (821), joint piece (83) and dinner plate main part (81) between be connected with elastic component (84) that can make joint piece (83) keep the kayser state, joint piece (83) on still be equipped with convex operating portion (831).

9. The stroller of claim 7, wherein: the seat part (71) is also connected with a connecting frame (75) which can be rotated and unfolded relative to the seat part to extend the front and back length of the seat part (71), and a locking device (76) which can lock the connecting frame (75) and the seat part (71) is arranged between the connecting frame (75) and the seat part (71).

10. The stroller of claim 7, wherein: backrest portion (72) rotate to be connected on seat portion (71), bar (73) rotate to be connected on backrest portion (72), bar (73) front end and seat portion (71) front end between be connected with connecting rod (74), just connecting rod (74) upper end rotate to be connected in bar (73) front end, connecting rod (74) lower extreme rotate to be connected in seat portion (71) front end.