CN219544960U

CN219544960U - Child's bike

Info

Publication number: CN219544960U
Application number: CN202320498695.5U
Authority: CN
Inventors: 郑振极; 许如君
Original assignee: Ningbo Family Baby Products Co ltd
Current assignee: Ningbo Family Baby Products Co ltd
Priority date: 2023-03-13
Filing date: 2023-03-13
Publication date: 2023-08-18
Anticipated expiration: 2033-03-13

Abstract

The utility model discloses a baby carrier, which comprises a front frame assembly with a steering assembly and front wheels, wherein an extension frame which extends backwards is arranged on the front frame assembly, a main frame which can slide relatively to the extension frame to change front and rear positions is arranged on the extension frame, the left side and the right side of the main frame are connected with a rear frame, the rear frame is connected with rear wheels, the main frame comprises a sliding seat which is connected onto the extension frame in a sliding manner, a first adjusting assembly which can adjust the positions of the sliding seat and the extension frame is arranged between the sliding seat and the extension frame, the main frame also comprises a seat assembly which is connected onto the sliding seat in a sliding manner and can be used for a child to sit on, a second adjusting assembly which can adjust the positions of the sliding seat and the seat assembly is arranged between the seat assembly and the sliding seat, and the rear frame is connected onto two sides of the sliding seat and moves forwards and backwards along with the sliding seat when the sliding seat slides relatively to the extension frame. The utility model aims to overcome the defects of the prior art and provide a child car which can be suitable for children of different ages and is comfortable to sit.

Description

Child's bike

[ field of technology ]

The present utility model relates to a child's vehicle.

[ background Art ]

The existing children's carriages are more in variety, but are single in function and extremely fine in classification, as children grow faster before the age of 6 years from infants, the children's carriages are frequently replaced, the old children cannot be used when the old children are always intact, the children in the families are piled up, the occupied area affects the environment due to limited urban living areas, the children's carriages are expensive, the time for use is short, the children cannot be reused, waste is caused, and the practical, novel and economic children's carriages suitable for seats with adjustable ages at different ages are developed, so that the technical problem which is hoped to be solved by people is solved.

The present utility model has been developed in response to the above-described drawbacks.

[ utility model ]

The utility model aims to overcome the defects of the prior art and provide a child car which can be suitable for children of different ages and is comfortable to sit.

The utility model is realized by the following technical scheme:

the utility model provides a child's bike, includes has the front frame subassembly 1 of steering assembly 2 and front wheel 3, front frame subassembly 1 on be equipped with the extension frame 11 that extends backward, extension frame 11 on be equipped with the main frame 4 that can slide and change front and back position relative it, main frame 4's left and right sides be connected with back frame 5, back frame 5 on be connected with rear wheel 51, main frame 4 include sliding seat 41 of sliding connection on extension frame 11, sliding seat 41 and extension frame 11 between be equipped with the first adjusting part 42 that can adjust both positions, main frame 4 still include sliding connection on sliding seat 41 and can supply children to take seat subassembly 43, seat subassembly 43 and sliding seat 41 between be equipped with the second adjusting part 44 that can adjust both positions, back frame 5 connect in sliding seat 41's both sides, and back frame 5 follows sliding seat 41 and moves back and forth when sliding seat 41 slides relative extension frame 11.

The first adjusting component 42 comprises a plurality of adjusting positions 421 arranged on the extension frame 11, a clamping piece 422 capable of sliding up and down relative to the sliding seat 41 to clamp in or separate from the adjusting positions 421 is arranged in the sliding seat 41, a first operating piece 423 capable of pushing the clamping piece 422 to separate the clamping piece 422 from the adjusting positions 421 is further arranged on the sliding seat 41, a first spring 424 capable of pushing the clamping piece 422 to reset is arranged between the clamping piece 422 and the sliding seat 41, and a second spring 425 capable of pushing the first operating piece 423 to reset is arranged between the first operating piece 423 and the sliding seat 41.

A two-way lock 426 capable of preventing the clamping piece 422 from sliding and unlocking is arranged between the clamping piece 422 and the sliding seat 41.

The second lock 426 includes a second operating member 4261 slidably connected to the sliding seat 41, the second operating member 4261 is provided with a protruding strip 4262 protruding outwards and penetrating into the relief groove 4221, the protruding strip 4262 is provided with a protrusion 4263 protruding upwards and blocking the clamping member 422 from sliding downwards, when the protrusion 4263 abuts against the inner wall of the relief groove 4221, the second operating member 4261 can prevent the clamping member 422 from sliding relative to the sliding seat 41, and when the second operating member 4261 slides to separate the protrusion 4263 from the inner wall of the relief groove 4221, the clamping member 422 can slide up and down relative to the sliding seat 41, and a third spring 4264 capable of keeping the protrusion 4263 and the inner wall of the relief groove 4221 in an abutting state is provided between the second operating member 4261 and the sliding seat 41.

The seat assembly 43 includes a seat 431 slidably connected to the sliding seat 41, the second adjusting assembly 44 includes a plurality of adjusting holes 441 spaced on the sliding seat 41, the seat 431 is provided with a third operating member 442 capable of sliding up and down relative to the seat 431, the third operating member 442 is provided with a latch 4421 capable of sliding along the third operating member to separate from the adjusting holes 441, and an elastic element 443 capable of pushing the third operating member 442 to return is provided between the third operating member 442 and the seat 431.

The extension frame 11 is provided with a first guiding chute 111 which is concave inwards, the sliding seat 41 is provided with a first guiding slide block 411 which can slide in the first guiding chute 111, the adjusting position 421 is an adjusting hole arranged on the side wall of the first guiding chute 111, and the clamping piece 422 is provided with a clamping part 4222 which protrudes out of the first guiding slide block 411 and is clamped into the adjusting hole.

The sliding seat 41 is further provided with a second guide chute 412, a second guide slide block 432 capable of sliding in the second guide chute 412 is arranged in the seat 431, an elastic piece 433 is arranged between the second guide slide block 432 and the seat 431, a sloping slide surface 4321 which enables the second guide slide block 432 to slide upwards when being pressed against the outer chute wall of the second guide chute 412 is arranged on one side of the second guide slide block 432 facing the second guide chute 412, and a stop surface 4322 which can be pressed against the inner side wall of the second guide chute 412 to prevent the seat 431 from being separated from the sliding seat 41 is arranged on one side of the second guide slide block 432 facing away from the second guide chute 412.

The steering assembly 2 comprises a steering seat 21 arranged in the front frame assembly 1, the steering seat 21 is provided with a steering handle 22, the steering assembly 2 further comprises a fork 23 connected to the lower side of the steering seat 21, the front wheel 3 is connected to the fork 23, the front wheel 3 is connected with a plurality of pedals 31, positioning clamping grooves 311 which are recessed downwards are formed in the periphery of the pedals 31, a sliding unlocking piece 231 which can slide up and down relative to the pedals is arranged on the fork 23, a locking piece 232 which slides along the sliding unlocking piece is arranged on the sliding unlocking piece 231, a yielding hole 2321 which can be used for the pedals 31 to be clamped in is formed in the locking piece 232, and when the pedals 31 are clamped in the front wheel 3, the wall surface on the periphery of the yielding hole 2321 is clamped in the positioning clamping grooves 311.

The seat 431 is further provided with a positioning groove 4311 for placing the pedal 31, the seat 431 is further provided with an operation button 434 capable of sliding up and down relative to the seat 431, the operation button 434 is provided with a locking projection 4341 capable of being locked into or separated from the positioning groove 4311, and an elastic component 435 is arranged between the operation button 434 and the seat 431.

The rear frame 5 is rotatably connected to the main frame 4, a locking component 61 capable of locking the rear frame 4 and the rear frame 5 is arranged between the main frame 4 and the rear frame 5, the rear wheel 51 is rotatably connected to the rear frame 5, a locking component 62 capable of locking the rear wheel 51 and the rear frame 5 is arranged between the rear wheel 51 and the rear frame 5, and when the locking component 62 is unlocked, the rear wheel 51 can rotate from the outer side of the rear frame 5 to the inner side of the rear frame 5 or the rear wheel 51 can rotate from the inner side of the rear frame 5 to the outer side of the rear frame 5.

Compared with the prior art, the utility model has the following advantages: the utility model can adjust the front and back positions of the seat assembly relative to the sliding seat through the second adjusting assembly, so that children can feel more comfortable when sitting on the baby carriage, children of different ages can be adapted, waste is avoided, and the front and back positions of the sliding seat relative to the front frame assembly can be adjusted through the first adjusting assembly.

[ description of the drawings ]

FIG. 1 is a perspective view of a child's vehicle of the present utility model;

FIG. 2 is an isometric view of the child's vehicle of the present utility model after adjustment;

FIG. 3 is a cross-sectional view of the child's vehicle of the present utility model;

FIG. 4 is an enlarged view of area A of FIG. 3;

FIG. 5 is an enlarged view of area B of FIG. 3;

FIG. 6 is a perspective view of a slide mount in the child's vehicle of the present utility model;

FIG. 7 is one of the exploded views of the slide mount in the child's vehicle of the present utility model;

FIG. 8 is a second exploded view of the slide mount of the child car of the present utility model;

FIG. 9 is a cross-sectional view of the slide mount in the child's vehicle of the present utility model;

FIG. 10 is an enlarged view of region C of FIG. 9;

FIG. 11 is a perspective view of a slide mount and seat assembly in a child car of the present utility model;

FIG. 12 is an exploded view of a slide mount and seat assembly in the child car of the present utility model;

FIG. 13 is a cross-sectional view of a slide mount and seat assembly in a child car of the present utility model;

FIG. 14 is a perspective view of a pedal in the child's vehicle of the present utility model;

FIG. 15 is an exploded view of the seat and operating buttons of the child car of the present utility model;

FIG. 16 is a perspective view of the child car of the present utility model as a balance car;

FIG. 17 is a second perspective view of the child's vehicle of the present utility model;

FIG. 18 is an exploded view of the seat and back rest of the child car of the present utility model;

fig. 19 is a perspective view of the backrest of the child car of the present utility model.

[ detailed description ] of the utility model

The utility model is further described below with reference to the accompanying drawings:

as shown in fig. 1 to 19, the present utility model provides a child car comprising a front frame assembly 1 having a steering assembly 2 and front wheels 3, characterized in that: the bicycle is characterized in that the front frame assembly 1 is provided with an extension frame 11 which extends backwards, the extension frame 11 is provided with a main frame 4 which can slide relatively to change the front position and the rear position, the left side and the right side of the main frame 4 are connected with a rear frame 5, the rear frame 5 is connected with rear wheels 51, the main frame 4 comprises a sliding seat 41 which is connected onto the extension frame 11 in a sliding manner, a first adjusting assembly 42 which can adjust the positions of the sliding seat 41 and the extension frame 11 is arranged between the sliding seat 41, the main frame 4 also comprises a seat assembly 43 which is connected onto the sliding seat 41 in a sliding manner and can be used for a child to sit on, a second adjusting assembly 44 which can adjust the positions of the sliding seat assembly 43 and the sliding seat 41 is arranged between the seat assembly and the sliding seat 41, the rear frame 5 is connected onto two sides of the sliding seat 41, and the rear frame 5 moves forwards and backwards along with the sliding seat 41 when the sliding seat 41 slides relatively to the extension frame 11.

The utility model can adjust the front and back positions of the seat assembly 43 relative to the sliding seat 41 through the second adjusting assembly 44 when in use, so that children can feel more comfortable when sitting on the baby carrier, the utility model can adapt to children of different ages without waste, and can adjust the front and back positions of the sliding seat 41 relative to the front frame assembly 1 through the first adjusting assembly 42, when the baby carrier is not in use, the main frame 4 can be slid to a position close to the front frame assembly 1 with the rear frame 5, so that the baby carrier occupies smaller space when being stored, and is convenient to carry.

When the front and back positions of the sliding seat 41 relative to the extension frame 11 need to be adjusted, the first operating member 423 is pressed, the inclined sliding surface on the first operating member 423 pushes the inclined sliding surface on the clamping member 422 to enable the clamping member 422 to slide downwards relative to the sliding seat 41, at this time, the clamping member 422 is separated from the adjusting position 421, the sliding seat 41 can slide forwards and backwards relative to the extension frame 11, when the sliding seat 41 is adjusted in place, the first spring 424 pushes the clamping member 422 to reset, and the clamping member 422 is clamped into the adjusting position 421 again to lock the sliding seat 41 and the extension frame 11.

A two-way lock 426 capable of preventing the clamping piece 422 from sliding and unlocking is arranged between the clamping piece 422 and the sliding seat 41. The secondary lock 426 can prevent the first adjusting member 42 from being unlocked by touching the first operating member 423 by mistake, which is safer.

The second lock 426 includes a second operating member 4261 slidably connected to the sliding seat 41, the second operating member 4261 is provided with a protruding strip 4262 protruding outwards and penetrating into the relief groove 4221, the protruding strip 4262 is provided with a protrusion 4263 protruding upwards and blocking the clamping member 422 from sliding downwards, the second operating member 4261 can prevent the clamping member 422 from sliding relative to the sliding seat 41 when the protrusion 4263 abuts against the inner wall of the relief groove 4221, and the clamping member 422 can slide relative to the sliding seat 41 when the second operating member 4261 slides to separate the protrusion 4263 from the inner wall of the relief groove 4221, and a third spring 4264 is provided between the second operating member 4261 and the sliding seat 41 to keep the protrusion 4263 and the inner wall of the relief groove 4221 in an abutting state. When the first adjusting component 42 needs to be unlocked, the second lock 426 needs to be unlocked first, the second operating member 4261 is pressed, the second operating member 4261 slides relative to the sliding seat 41, at this time, the protrusion 4263 on the second operating member 4261 slides from the inside of the clamping member 422 to the outside of the clamping member 422, the protrusion 4263 is separated from the inner wall of the yielding groove 4221, the yielding groove 4221 can yield for the protruding strip 4262, at this time, the clamping member 422 can slide downwards relative to the sliding seat 41 to separate from the adjusting position 421, and the sliding seat 41 can slide back and forth relative to the extension frame 11 to be adjusted.

The seat assembly 43 includes a seat 431, the seat 431 is slidably connected to the sliding seat 41, the second adjusting assembly 44 includes a plurality of adjusting holes 441 spaced on the sliding seat 41, the seat 431 is provided with a third operating member 442 capable of sliding up and down relative to the seat 431, the third operating member 442 is provided with a latch 4422 capable of sliding along with the third operating member to separate from the adjusting holes 441, and an elastic element 443 capable of pushing the third operating member 442 to reset is provided between the third operating member 442 and the seat 431. When the position of the seat 431 relative to the sliding seat 41 needs to be adjusted, the third operating member 442 is operated, and the locking portion 4422 on the third operating member 442 is disengaged from the adjusting hole 441, so that the seat 431 can be pushed to slide back and forth relative to the sliding seat 41, and when the seat 431 is adjusted in place, the third operating member 442 is released, and the elastic element 443 pushes the third operating member 442, so that the locking portion 4422 on the third operating member 442 is locked into the adjusting hole 441 again.

The extension frame 11 is provided with a first guiding chute 111 which is concave inwards, the sliding seat 41 is provided with a first guiding slide block 411 which can slide in the first guiding chute 111, the adjusting position 421 is an adjusting hole arranged on the side wall of the first guiding chute 111, and the clamping piece 422 is provided with a clamping part 4222 which protrudes out of the first guiding slide block 411 and is clamped into the adjusting hole. The cooperation of the first guide chute 111 and the first guide slider 411 makes the sliding seat 41 smoother when sliding on the extension frame 11.

The sliding seat 41 is further provided with a second guide chute 412, a second guide slide block 432 capable of sliding in the second guide chute 412 is arranged in the seat 431, an elastic piece 433 is arranged between the second guide slide block 432 and the seat 431, a sloping slide surface 4321 which enables the second guide slide block 432 to slide upwards when being pressed against the outer chute wall of the second guide chute 412 is arranged on one side of the second guide slide block 432 facing the second guide chute 412, and a stop surface 4322 which can be pressed against the inner side wall of the second guide chute 412 to prevent the seat 431 from being separated from the sliding seat 41 is arranged on one side of the second guide slide block 432 facing away from the second guide chute 412. When the seat 431 is mounted on the sliding seat 41, the inclined sliding surface 4321 of the second guiding sliding block 432 is pressed against the outer wall of the second guiding sliding groove 412, at this time, the second guiding sliding block 432 slides upwards into the seat 431 until the elastic member 433 pushes the second guiding sliding block 432 to reset when the second guiding sliding block 432 is aligned with the second guiding sliding groove 412, so that the second guiding sliding block 432 is located in the second guiding sliding groove 412, and when the seat 431 is adjusted to the foremost position relative to the sliding seat 41, the stop surface 4322 on the second guiding sliding block 432 is pressed against the inner wall of the second guiding sliding groove 412 to prevent the seat 431 from being separated from the sliding seat 41, so that safety is improved.

The steering assembly 2 comprises a steering seat 21 arranged in the front frame assembly 1, the steering seat 21 is provided with a steering handle 22, the steering assembly 2 further comprises a fork 23 connected to the lower side of the steering seat 21, the front wheel 3 is connected to the fork 23, the front wheel 3 is connected with a plurality of pedals 31, positioning clamping grooves 311 which are recessed downwards are formed in the periphery of the pedals 31, a sliding unlocking piece 231 which can slide up and down relative to the pedals is arranged on the fork 23, a locking piece 232 which slides along the sliding unlocking piece is arranged on the sliding unlocking piece 231, a yielding hole 2321 which can be used for the pedals 31 to be clamped in is formed in the locking piece 232, and when the pedals 31 are clamped in the front wheel 3, the wall surface on the periphery of the yielding hole 2321 is clamped in the positioning clamping grooves 311. When the pedal 31 needs to be taken down, the sliding unlocking piece 231 is pressed downwards, the locking piece 232 on the sliding unlocking piece 231 slides along, the wall surface on the periphery side of the yielding hole 2321 is separated from the positioning clamping groove 311, the whole pedal 31 can be taken down from the front wheel 3, and the child car can be changed from a tricycle state to a balance car state.

The seat 431 is further provided with a positioning groove 4311 for placing the pedal 31, the seat 431 is further provided with an operation button 434 capable of sliding up and down relative to the seat 431, the operation button 434 is provided with a locking projection 4341 capable of being locked into or separated from the positioning groove 4311, and an elastic component 435 is arranged between the operation button 434 and the seat 431. When the operation button 434 is pressed upwards, the locking protrusion 4341 is disengaged from the positioning groove 4311, the pedal 31 is inserted into the positioning groove 4311, the positioning groove 311 on the pedal 31 is aligned with the locking protrusion 4341, the operation button 434 is released, the operation button 434 is pushed to reset by the elastic component 435, and the locking protrusion 4341 enters the positioning groove 4311 again and is locked in the positioning groove 311 to lock the pedal 31 on the seat 431.

The rear frame 5 is rotatably connected to the main frame 4, a locking component 61 capable of locking the rear frame 4 and the rear frame 5 is arranged between the main frame 4 and the rear frame 5, the rear wheel 51 is rotatably connected to the rear frame 5, a locking component 62 capable of locking the rear wheel 51 and the rear frame 5 is arranged between the rear wheel 51 and the rear frame 5, and when the locking component 62 is unlocked, the rear wheel 51 can rotate from the outer side of the rear frame 5 to the inner side of the rear frame 5 or the rear wheel 51 can rotate from the inner side of the rear frame 5 to the outer side of the rear frame 5. The locking assembly 61 and the locking assembly 62 are common spline locks and the like. The whole children's vehicle is used as a children's tricycle when the rear wheels 51 are positioned on the outer side of the rear frame 5, and the children can ride through the pedals 31; and when the rear wheels 51 are positioned on the inner side of the rear frame 5 and the pedals 31 are removed, the whole children's vehicle is used as a balance car for children, and the children use the two legs to pedal and ride on the ground.

The seat 431 is connected with a detachable backrest 436, the seat 431 is provided with a clamping groove 4312, the backrest 436 is provided with an elastic connecting strip 4361, and the connecting strip 4361 is provided with a clamping projection 4362 which can be clamped into the clamping groove 4312. When the backrest 436 needs to be removed, the connecting bar 4361 is pushed, the connecting bar 4361 is elastically deformed and recessed into the backrest 436, and at this time, the clamping projection 4362 on the connecting bar 4361 is separated from the clamping groove 4312, so that the backrest 436 can be removed from the seat 431.

The extension frame 11 is detachably connected with a push handle assembly 7. The push handle assembly 7 facilitates the pushing of the entire buggy by a large person.

A plurality of fixing members 8 capable of fixing the plurality of rear frames 5 are detachably connected between the plurality of rear frames 5. The fixing members 8 serve to fix the two rear frames 5, thereby making the connection of the two rear frames 5 more stable.

Claims

1. Child vehicle comprising a front frame assembly (1) with a steering assembly (2) and front wheels (3), characterized in that: the utility model provides a bicycle frame comprises a bicycle frame body, front frame subassembly (1) on be equipped with extension frame (11) of backward extension, extension frame (11) on be equipped with main frame (4) that can slide and change front and back position relatively, main frame (4) left and right sides be connected with back frame (5), back frame (5) on be connected with rear wheel (51), main frame (4) including sliding connection sliding seat (41) on extension frame (11), sliding seat (41) and extension frame (11) between be equipped with first adjusting part (42) that can adjust both positions, main frame (4) still include sliding connection seat subassembly (43) on sliding seat (41) and can supply children to take, seat subassembly (43) and sliding seat (41) between be equipped with second adjusting part (44) that can adjust both positions, back frame (5) be connected in both sides of sliding seat (41), and when sliding seat (41) slide relatively and extend frame (11) sliding seat (41) back frame (5) back and move.

2. A child vehicle according to claim 1, wherein: the first adjusting component (42) comprises a plurality of adjusting positions (421) arranged on the extension frame (11), a clamping piece (422) which can vertically slide relative to the sliding seat (41) to clamp in or separate from the adjusting positions (421) is arranged in the sliding seat (41), the sliding seat (41) is also provided with a first operating piece (423) which can push the clamping piece (422) to separate from the adjusting positions (421), a first spring (424) which can push the clamping piece (422) to reset is arranged between the clamping piece (422) and the sliding seat (41), and a second spring (425) which can push the first operating piece (423) to reset is arranged between the first operating piece (423) and the sliding seat (41).

3. A child vehicle according to claim 2, wherein: two locks (426) capable of preventing the clamping piece (422) from sliding and unlocking are arranged between the clamping piece (422) and the sliding seat (41).

4. A child vehicle according to claim 3, wherein: the clamping piece (422) on be equipped with the groove of stepping down (4221), second channel lock (426) including sliding connection on sliding seat (41) second operating piece (4261), second operating piece (4261) on be equipped with outwards protrusion and wear to the sand grip (4262) in the groove of stepping down (4221), sand grip (4262) on be equipped with upwards protrusion and stop protruding (4263) that clamping piece (422) slid down, when protruding (4263) and the inner wall of stepping down groove (4221) are propped up second operating piece (4261) can prevent clamping piece (422) relative sliding seat (41) and when second operating piece (4261) slides and makes protruding (4263) and the inner wall of stepping down groove (4221) separate the clamping piece (422) relative sliding seat (41), second operating piece (4261) and sliding seat (41) between be equipped with and can make protruding (4261) and keep the third state of stepping down of spring (4264) of groove (4221).

5. A child vehicle according to claim 1, wherein: the seat assembly (43) comprises a seat (431) which is slidably connected to the sliding seat (41), the second adjusting assembly (44) comprises a plurality of adjusting holes (441) which are formed in the sliding seat (41) at intervals, the seat (431) is provided with a third operating piece (442) which can slide up and down relative to the seat, the third operating piece (442) is provided with a locking part (4421) which can slide along the third operating piece to separate from the adjusting holes (441), and an elastic element (443) which can push the third operating piece (442) to reset is arranged between the third operating piece (442) and the seat (431).

6. A child vehicle according to claim 2, wherein: the extension frame (11) on be equipped with inwards sunken first guide chute (111), sliding seat (41) on be equipped with first guide slider (411) that can slide in first guide chute (111), regulation position (421) for locating the regulation hole on first guide chute (111) lateral wall, joint spare (422) on be equipped with protrusion to first guide slider (411) outside and block joint portion (4222) to the regulation downthehole.

7. A child vehicle according to claim 1, wherein: the sliding seat (41) on still be equipped with second guide spout (412), seat (431) in be equipped with second guide slider (432) that can slide in second guide spout (412), second guide slider (432) and seat (431) between be equipped with elastic component (433), second guide slider (432) on face second guide spout (412) one side be equipped with make second guide slider (432) gliding inclined slide face (4321) upwards when pushing up with the outer cell wall of second guide spout (412), second guide slider (432) on be equipped with on the side of being directed away from second guide spout (412) can with the inside wall top of second guide spout (412) and prevent seat (431) break away from backstop face (4322) of sliding seat (41).

8. A child vehicle according to claim 1, wherein: steering assembly (2) including locating steering seat (21) in preceding frame subassembly (1), steering seat (21) on be equipped with steering handle (22), steering assembly (2) still including connecting in steering seat (21) downside fork (23), preceding wheel (3) connect on fork (23), preceding wheel (3) on be connected with a plurality of footboard (31), footboard (31) on all be equipped with undercut positioning slot (311) along its week side, fork (23) on be equipped with can be relative its gliding slip unblock piece (231) from top to bottom, slip unblock piece (231) on be equipped with and follow its gliding snap-lock piece (232), snap-lock piece (232) on be equipped with can supply in hole (2321) that footboard (31) block into, and when footboard (31) block into preceding wheel (3) in the wall card of hole of stepping down (2321) week side into positioning slot (311).

9. A child vehicle according to claim 1, wherein: the seat (431) on still be equipped with constant head tank (4311) that can place footboard (31), seat (431) on still be equipped with operation button (434) that can slide about it relatively, operation button (434) on be equipped with the kayser lug (4341) that can block into or break away from constant head tank (4311), operation button (434) and seat (431) between be equipped with elastomeric element (435).

10. A child vehicle according to claim 1, wherein: the rear frame (5) is rotatably connected to the main frame (4), a locking assembly (61) capable of locking the main frame (4) and the rear frame (5) is arranged between the main frame and the rear frame (5), the rear wheel (51) is rotatably connected to the rear frame (5), a locking assembly (62) capable of locking the rear wheel (51) and the rear frame (5) is arranged between the rear wheel (51) and the rear frame (5), and when the locking assembly (62) is unlocked, the rear wheel (51) can rotate from the outer side of the rear frame (5) to the inner side of the rear frame (5) or the rear wheel (51) can rotate from the inner side of the rear frame (5) to the outer side of the rear frame (5).