Baby carriage

Abstract

The utility model discloses a buggy which comprises a first frame with first wheels, a second frame is connected to the first frame and comprises a connecting seat, a first leg frame and a second leg frame are connected to the connecting seat, second wheels are connected to the first leg frame and the second leg frame, and a locking assembly is arranged between the first leg frame and the connecting seat. A clamping and locking assembly is arranged between the second leg frame and the connecting base, a seat is further arranged on the first frame and comprises a mounting base and a seat body, a first adjusting assembly is arranged between the seat body and the mounting base and comprises a plurality of first adjusting positions arranged on the seat body, and the first adjusting positions are arranged at intervals up and down. A first locking piece capable of sliding relative to the mounting base to be clamped into or separated from the first adjusting position is arranged on the mounting base, a fourth elastic piece is arranged between the first locking piece and the mounting base, and an operation part is further arranged on the first locking piece. The electric tricycle can be switched between a two-wheel mode and a three-wheel mode, and the height of the seat can be conveniently adjusted.

Description

Technical field

[0001] The utility model relates to a children's vehicle. [Background Technology]

[0002] Currently, strollers on the market are categorized into two-wheeled and three-wheeled types. Most people choose two-wheeled and three-wheeled strollers based on their proficiency, choosing between them in descending order. As beginners gradually improve their balance skills during the learning process, they gradually lose interest in three-wheeled strollers. However, purchasing a new two-wheeled stroller alone leaves the three-wheeled stroller unused, resulting in waste. Furthermore, the seat height of current two-wheeled and three-wheeled strollers is generally not adjustable, making it difficult for children of different heights to ride comfortably. Consequently, people are eager for a stroller that can convert between a two-wheeled and three-wheeled stroller, as well as a two-wheeled and three-wheeled stroller with an adjustable seat height. Therefore, the present invention provides a new stroller structure. [Utility Model Content]

[0003] The utility model aims to overcome the deficiencies of the prior art and provide a new children's stroller which can be switched between a two-wheel mode and a three-wheel mode and in which the seat height can be conveniently adjusted.

[0004] The utility model is realized through the following technical solutions:

[0005] A children's stroller comprises a first frame with a first wheel, the first frame is connected to a second frame, the second frame comprises a connecting seat connected to the first frame, the connecting seat is connected to a first leg frame and a second leg frame that can be relatively rotated to expand or close together, the first leg frame and the second leg frame are connected to the second wheel, a locking assembly that can lock the first leg frame and the connecting seat is provided between the first leg frame and the connecting seat, and a locking assembly that can lock the second leg frame and the connecting seat and can unlock the locking assembly when the locking assembly is unlocked, and the first leg frame and the second leg frame can move away from or towards each other when the locking assembly and the locking assembly are unlocked. The first frame is provided with a seat, and the seat includes a mounting base connected to the first frame and a seat body movably connected to the mounting base. A first adjustment component capable of adjusting the height between the seat body and the mounting base is provided between the seat body and the mounting base. The first adjustment component includes a plurality of first adjustment positions provided on the seat body, and the plurality of first adjustment positions are spaced apart up and down. The mounting base is provided with a first locking member that can slide relative to it and engage or disengage from the first adjustment position. A fourth elastic member capable of pushing the locking member to reset is provided between the first locking member and the mounting base, and an operating portion is also provided on the first locking member.

[0006] The seat is provided with a backrest, and the seat is provided with a receiving groove capable of accommodating the backrest. The backrest is detachably connected to the seat through the receiving groove. A locking assembly capable of connecting the backrest and the seat is provided between the backrest and the seat. The locking assembly includes a second operating member movably connected to the backrest, the second operating member is provided with a protruding portion, and the seat is provided with a stop portion capable of abutting against the protruding portion to prevent the backrest from detaching from the seat. A second elastic member capable of keeping the protruding portion and the stop portion in a state of abutting against each other is provided between the second operating member and the backrest.

[0007] A supporting assembly is also provided between the backrest and the seat, which can keep the backrest and the seat in a locked state. The supporting assembly includes a pushing member slidably connected to the accommodating groove, and a third elastic member is provided between the pushing member and the bottom surface of the accommodating groove, which can enable the pushing member and the backrest to press against each other.

[0008] The first frame is provided with a slide groove for the seat to slide, and a second adjustment component is provided between the seat and the first frame, which can adjust the position of the seat relative to the first frame. The second adjustment component includes a second adjustment position and a third adjustment position arranged on the first frame. The seat is provided with a movable part that can move up and down relative to it, and the movable part is provided with a first locking part that can be engaged in or disengaged from the second adjustment position and engaged in or disengaged from the third adjustment position following its movement. A fifth elastic part that can push the movable part to reset is provided between the movable part and the seat.

[0009] The second frame is slidably connected to the first frame, and a third adjustment component is provided between the second frame and the first frame to adjust the position between the two. The third adjustment component includes a fourth adjustment position and a fifth adjustment position provided on the first frame. The second frame is provided with a sliding block that can slide relative to it, and the sliding block is provided with a locking piece that can follow its movement and be engaged in or disengaged from the fourth adjustment position or engaged in or disengaged from the fifth adjustment position. A sixth elastic member is provided between the sliding block and the second frame, and the second frame is also provided with a third operating member that can push the sliding block to slide relative to the second frame after being operated.

[0010] The first wheel is also detachably connected to a pedal assembly, and when the pedal assembly is disassembled, it can be installed on the seat. The seat is provided with a positioning assembly that can lock the pedal assembly. The positioning assembly includes a locking position set on the pedal assembly. The positioning assembly also includes a sliding member slidably connected to the seat, and the sliding member is provided with a second locking portion that can be locked into the locking position. A seventh elastic member that can push the sliding member to reset is provided between the sliding member and the seat, and the sliding member is also provided with a pressing portion exposed to the seat.

[0011] The locking assembly includes a first connecting shell arranged on the second leg frame and a first locking shell arranged on the connecting seat, the first locking shell and the first connecting shell are both provided with a first spline groove, a first sealed space is enclosed between the first locking shell and the first connecting shell, a first spline is provided in the first sealed space, and the first spline is capable of moving therein and simultaneously engaging with the first locking shell and the first spline groove on the first connecting shell, a first reset member is also provided between the spline and the first locking shell, and an unlocking member is provided on the first connecting shell that can slide relative to it to push the first spline and disengage the first spline from the first spline groove on the first connecting shell.

[0012] The locking assembly includes a second locking shell arranged on the connecting seat and a second connecting shell on the first leg frame, the second connecting shell and the second locking shell are both provided with a second spline groove, a second sealed space is surrounded by the second locking shell and the second connecting shell, a second spline is provided in the second sealed space, and the second spline that can move therein and can simultaneously engage with the second locking shell and the second spline groove on the second connecting shell is provided, and a second reset member is also provided between the second spline and the second connecting shell, and the first spline is provided with a linkage unlocking portion that can extend into the second sealed space, and when the first spline is pushed and unlocked by the unlocking member, the linkage unlocking portion can push the second spline and cause the second spline to disengage from the second spline groove on the second locking shell.

[0013] A second lock assembly is also provided between the second leg frame and the first leg frame, which can lock the two. The second lock assembly includes a first locking position and a second locking position arranged on the second leg frame. The first leg frame is provided with a first operating member that can slide relative to it, and the first operating member is provided with a locking member that can extend into the first locking position or the second locking position. A first elastic member is provided between the first operating member and the first leg frame. When the locking member is locked into the first locking position, the second leg frame and the first leg frame are locked in a position away from each other, and when the locking member is locked into the second locking position, the second leg frame and the first leg frame are locked in a position close to each other.

[0014] The first frame is provided with a steering handle capable of operating the steering of the first wheel, the second wheel is rotatably connected to the first leg frame and the second leg frame, the second wheel can be rotated from the outside of the first leg frame and the second leg frame to the inside of the first leg frame and the second leg frame, and a connecting piece capable of connecting the first leg frame and the second leg frame is further provided between the first leg frame and the second leg frame. The first frame is also detachably connected to a steering rod assembly capable of driving the steering handle to rotate.

[0015] Compared with the prior art, the present invention has the following advantages: when the children's vehicle of the present invention needs to switch between the balance vehicle mode and the tricycle mode, the latch assembly is unlocked. When the latch assembly is unlocked, the locking assembly is unlocked, and the first leg frame and the second leg frame can be moved from a position away from each other to a position close to each other, and the children's vehicle is now switched from the tricycle mode to the balance vehicle mode. The children's vehicle only needs to unlock the latch assembly and then push the first leg frame and the second leg frame together to complete the mode change, which is very simple to operate. The locking assembly locks the first leg frame to the connecting seat, and the latch assembly also locks the second leg frame to the connecting seat. The separate locking makes the locking more secure. Moreover, because the locking assembly and the latch assembly are unlocked in conjunction, the structural design of the second frame is more compact and easy to operate. More importantly, the first locking member can be engaged in different first adjustment positions by pulling the operating portion, thereby adjusting the seat to different heights, which is convenient for children of different heights to ride.

Brief Description of the Drawings

[0016] Figure 1 This is one of the three-dimensional diagrams of the children's vehicle of the present utility model;

[0017] Figure 2 This is the second three-dimensional diagram of the children's vehicle of the present invention;

[0018] Figure 3 It is a three-dimensional diagram of the children's stroller of the utility model in another state;

[0019] Figure 4 It is a perspective view of the second frame of the children's vehicle of the present invention;

[0020] Figure 5 This is one of the exploded views of the second frame of the children's vehicle of the present invention;

[0021] Figure 6 This is the second exploded view of the second frame of the children's vehicle of the present invention;

[0022] Figure 7 It is a three-dimensional diagram of the two-way locking device of the children's stroller of the present invention;

[0023] Figure 8 It is a cross-sectional view of the seat of the baby stroller of the present invention;

[0024] Figure 9 This is one of the exploded views of the seat of the baby stroller of the present invention;

[0025] Figure 10 This is the second exploded view of the seat of the baby stroller of the present invention;

[0026] Figure 11 It is a cross-sectional view of the first adjustment assembly of the children's stroller of the present invention;

[0027] Figure 12 It is a three-dimensional diagram of the movable parts of the children's stroller of the present utility model;

[0028] Figure 13 This is an exploded view of the second adjustment assembly of the children's stroller of the present invention;

[0029] Figure 14 It is a three-dimensional diagram of the first frame of the children's vehicle of the present invention;

[0030] Figure 15 It is an exploded view of the positioning assembly of the children's stroller of the present invention. [Specific implementation method]

[0031] The present invention will be further described below with reference to the accompanying drawings:

[0032] like Figures 1 to 15 As shown, a children's vehicle comprises a first frame 1 with a first wheel 11, the first frame 1 is connected to a second frame 2, the second frame 2 comprises a connecting seat 21 connected to the first frame 1, the connecting seat 21 is connected to a first leg frame 22 and a second leg frame 23 which can be relatively rotated to expand or close together, the first leg frame 22 and the second leg frame 23 are connected to a second wheel 24, a locking assembly 3 which can lock the first leg frame 22 and the connecting seat 21 is provided between the first leg frame 22 and the connecting seat 21, a locking assembly 4 which can lock the second leg frame 23 and the connecting seat 21 and can unlock the locking assembly 3 in conjunction with the locking assembly 4 when the locking assembly 4 and the locking assembly 3 are unlocked, and when the locking assembly 4 and the locking assembly 3 are unlocked, the first leg frame 22 and the second leg frame 23 can move away from each other or move closer to each other. When the children's vehicle of the present invention needs to switch between the balance vehicle mode and the tricycle mode, the locking assembly 4 is unlocked. When the locking assembly 4 is unlocked, the locking assembly 3 is unlocked. At this time, the first leg frame 22 and the second leg frame 23 can be moved from the position away from each other to the position close to each other. At this time, the children's vehicle is transformed from the tricycle mode to the balance vehicle mode. The children's vehicle only needs to operate the locking assembly 4 to unlock, and then push the first leg frame 22 and the second leg frame 23 to move closer to each other to complete the mode change. The operation is very simple. The first leg frame 22 is locked to the connecting seat 21 by the locking assembly 3, and the second leg frame 23 is locked to the connecting seat 21 by the locking assembly 4. The separate locking is more stable. Moreover, since the locking assembly 3 and the locking assembly 4 are unlocked in conjunction with each other, the structural design of the second frame 2 is more compact and occupies less space.

[0033] like Figure 1 , Figures 9 to 11As shown, a seat 61 is also provided on the first frame 1, and the seat 61 includes a mounting seat 612 connected to the first frame 1 and a seat body 613 movably connected to the mounting seat 612, and a first adjustment component 65 capable of adjusting the height between the seat body 613 and the mounting seat 612 is provided between the seat body 613 and the mounting seat 612, and the first adjustment component 65 includes a plurality of first adjustment positions 651 provided on the seat body 613, and the plurality of first adjustment positions 651 are arranged at intervals up and down, and a first locking member 652 is provided on the mounting seat 612, which can slide relative to it and be engaged or disengaged from the first adjustment position 651, and a fourth elastic member 653 capable of pushing the locking member to reset is provided between the first locking member 652 and the mounting seat 612, and an operating portion 6521 is also provided on the first locking member 652. When it is necessary to adjust the position of the seat body 613 relative to the mounting seat 612, pull the operating part 6521, and the operating part 6521 drives the first locking member 652 to slide relative to the mounting seat 612, thereby causing the first locking member 652 to disengage from the first adjustment position 651 at this position. At this time, the seat body 613 can slide the seat body 613 upward or downward to adjust the position of the seat body 613 relative to the mounting seat 612. When the adjustment is in place, release the operating part 6521, and the fourth elastic member 653 pushes the first locking member 652 to reset. The first locking member 652 is then snapped into another first adjustment position 651, locking the seat body 613 and the mounting seat 612 again, completing the adjustment of the seat body 613, which can be suitable for children of different heights.

[0034] like Figure 1 、 Figure 2 and Figure 8As shown, the seat 61 is provided with a backrest 62, and the seat 61 is provided with a receiving groove 611 capable of accommodating the backrest 62. The backrest 62 is detachably connected to the seat 61 via the receiving groove 611. A locking assembly 63 is provided between the backrest 62 and the seat 61 to connect the two. The locking assembly 63 includes a second operating member 631 movably connected to the backrest 62, the second operating member 631 is provided with a protruding portion 6311, and the seat 61 is provided with a stop portion 632 capable of abutting against the protruding portion 6311 to prevent the backrest 62 from being separated from the seat 61. A second elastic member 633 is provided between the second operating member 631 and the backrest 62 to maintain the abutting state between the protruding portion 6311 and the stop portion 632. The provision of the receiving groove 611 facilitates the positioning and installation of the backrest 62. When the backrest 62 needs to be removed from the seat 61, the second operating member 631 is pressed, and the second operating member 631 slides relative to the backrest 62. At this time, the protrusion 6311 on the second operating member 631 gradually separates from the stop portion 632 of the seat 61 until the protrusion 6311 is completely disengaged from the stop portion 632. The locking assembly 63 is unlocked and the backrest 62 can be removed from the seat 61. The operation is simple.

[0035] like Figure 8 As shown, a supporting assembly 64 is provided between the backrest 62 and the seat 61 to maintain a locked state between the backrest 62 and the seat 61. The supporting assembly 64 includes a pushing member 641 slidably connected to the receiving groove 611. A third elastic member 642 is provided between the pushing member 641 and the bottom surface of the receiving groove 611 to enable the pushing member 641 and the backrest 62 to abut against each other. The provision of the supporting assembly 64 ensures a tighter support between the protrusion 6311 and the stopper 632, making the backrest 62 more secure when installed on the seat 61. Align the backrest 62 with the receiving groove 611 and press down on the backrest 62, so that the lower end of the backrest 62 gradually contacts the pushing member 641 and pushes the pushing member 641 downward, causing the pushing member 641 to compress the third elastic member 642. When the backrest 62 is installed in place, the third elastic member 642 is in a compressed state, so it can apply an upward thrust to the backrest 62, so that the protrusion 6311 and the stopper 632 can better support each other, making the backrest 62 safer when installed on the seat 61. When the backrest 62 is removed, the third elastic member 642 can push the pushing member 641 upward to close the notch of the receiving groove 611, making the seat 61 look more complete and beautiful, and also preventing the notch of the receiving groove 611 from pinching the hand.

[0036] like Figure 12 and Figure 13As shown, the first frame 1 is provided with a slide groove 12 for the seat 61 to slide, and a second adjustment component 71 is provided between the seat 61 and the first frame 1, which can adjust the position of the seat 61 relative to the first frame 1. The second adjustment component 71 includes a second adjustment position 711 and a third adjustment position 712 arranged on the first frame 1, and the seat 61 is provided with a movable part 713 that can move up and down relative to it. The movable part 713 is provided with a first locking portion 7131 that can follow its movement and be engaged in or disengaged from the second adjustment position 711 and engaged in or disengaged from the third adjustment position 712, and a fifth elastic part 714 that can push the movable part 713 to reset is provided between the movable part 713 and the seat 61. When the lever 720 is in the unlocked position, the lever 721 is in the unlocked position, and the first locking portion 7131 is in the unlocked position, so that the lever 720 can slide back and forth with the first locking portion 7131 engaged with the first locking portion 7131 when the lever 720 is unlocked.

[0037] like Figure 3 , Figure 8 and Figure 14As shown, the second frame 2 is slidably connected to the first frame 1, and a third adjustment component 72 is provided between the second frame 2 and the first frame 1, which can adjust the position between the two. The third adjustment component 72 includes a fourth adjustment position 721 and a fifth adjustment position 722 provided on the first frame 1, and the second frame 2 is provided with a sliding block 723 that can slide relative to it. The sliding block 723 is provided with a locking piece 724 that can follow its movement and be engaged in or disengaged from the fourth adjustment position 721 or engaged in or disengaged from the fifth adjustment position 722. A sixth elastic member 725 is provided between the sliding block 723 and the second frame 2, and the second frame 2 is also provided with a third operating member 726 that can push the sliding block 723 to slide relative to the second frame 2 after being operated. The fourth adjustment position 721 and the fifth adjustment position 722 are arranged on the first frame 1 at intervals in front and back. When the third adjustment assembly 72 locks the second frame 2 in the fourth adjustment position 721, the second frame 2 is at the front side, and the stroller is in a stowed state for easy storage. When the third adjustment assembly 72 locks the second frame 2 in the fifth adjustment position 722, the second frame 2 is at the rear side, and the stroller is in an unfolded state. When the position of the second frame 2 needs to be adjusted, the third operating member 726 is operated. When the third operating member 726 is operated, the sliding block 723 slides relative to the second frame 2. The sliding block 723 drives the locking piece 724 to slide downward and disengage from the fourth adjustment position 721 or the fifth adjustment position 722. At this time, the second frame 2 can be slid along the first frame 1.

[0038] like Figure 1 , Figure 14 and Figure 15As shown, the first wheel 11 is also detachably connected to a pedal assembly 91, and when the pedal assembly 91 is removed, it can be installed on the seat 61. When the present invention is in tricycle mode, the pedal assembly 91 can be used by children to ride. The seat 61 is provided with a positioning assembly 92 that can lock the pedal assembly 91. The positioning assembly 92 includes a locking position 921 provided on the pedal assembly 91, and the positioning assembly 92 also includes a sliding member 922 slidably connected to the seat 61. The sliding member 922 is provided with a second locking portion 9221 that can be locked into the locking position 921. A seventh elastic member 923 is provided between the sliding member 922 and the seat 61 to push the sliding member 922 to return to its original position. The sliding member 922 is also provided with a pressing portion 9222 exposed to the seat 61. When it is needed to be used as a balance vehicle, the pedal assembly 91 is plugged into the seat 61 and locked by the positioning assembly 92. When it is needed to be used as a tricycle, the pedal assembly 91 is removed from the seat 61 and installed on the first wheel 11, and the pressing part 9222 is pushed. The pressing part 9222 drives the sliding part 922 to slide relative to the seat 61. When the sliding part 922 slides upward, it drives the second locking part 9221 to disengage from the locking position 921. At this time, the positioning assembly 92 is unlocked, and the pedal assembly 91 can be removed from the seat 61. The operation is very convenient.

[0039] like Figure 5 and Figure 6 As shown, the latch assembly 4 includes a first connecting shell 41 provided on the second leg 23 and a first locking shell 42 provided on the connecting seat 21. The first locking shell 42 and the first connecting shell 41 are both provided with a first spline groove 43. A first sealed space 44 is enclosed between the first locking shell 42 and the first connecting shell 41. A first spline 45 is provided in the first sealed space 44, which can move therein and can simultaneously engage with the first spline groove 43 on the first locking shell 42 and the first connecting shell 41. A first return member 46 is further provided between the spline and the first locking shell 42. The first connecting shell 41 is provided with an unlocking member 47 that can slide relative to the first connecting shell to push the first spline 45 and disengage the first spline 45 from the first spline groove 43 on the first connecting shell 41. It is conceivable that the first return member 46 is a spring. When it is necessary to rotate the second leg frame 23, press the unlocking piece 47 upward, and the unlocking piece 47 pushes the first spline 45 to slide upward relative to the first locking shell 42 and the first connecting shell 41. During the upward sliding process, the first spline 45 gradually disengages from the first spline groove 43 on the first connecting shell 41 and completely enters the first locking shell 42. At this time, the locking assembly 4 is unlocked, and the second leg frame 23 can rotate relative to the connecting seat 21 and move closer to or away from the first leg frame 21.

[0040] like Figure 5 and Figure 6As shown, the locking assembly 3 includes a second locking shell 31 disposed on the connecting seat 21 and a second connecting shell 32 on the first leg 22. The second connecting shell 32 and the second locking shell 31 are both provided with a second spline groove 33. A second sealed space 34 is enclosed between the second locking shell 31 and the second connecting shell 32. A second spline 35 is provided in the second sealed space 34, which can move therein and simultaneously engage with the second spline groove 33 on the second locking shell 31 and the second connecting shell 32. A second return member 36 is further provided between the second spline 35 and the second connecting shell 32. The first spline 45 is provided with a linkage unlocking portion 451 that can extend into the second sealed space 34. When the first spline 45 is unlocked by the unlocking member 47, the linkage unlocking portion 451 can push the second spline 35 and disengage the second spline 35 from the second spline groove 33 on the second locking shell 31. It is conceivable that the second return member 36 is a spring. When the first spline 45 is pushed and unlocked by the unlocking member 47, the linkage unlocking portion 451 on the first spline 45 pushes the second spline 35 to slide upward relative to the second connecting shell 32 and the second locking shell 31. During the upward sliding process, the second spline 35 gradually disengages from the second spline groove 33 on the second locking shell 31 and completely enters the second connecting shell 32. At this time, the locking assembly 3 is unlocked, and the first leg frame 22 can rotate relative to the connecting seat 21 and move closer to or away from the second leg frame 23, thereby enabling the children's vehicle to switch between balance car mode and tricycle mode.

[0041] like Figure 7As shown, a second lock assembly 5 is provided between the second leg frame 23 and the first leg frame 22 for locking the two. The second lock assembly 5 includes a first locking position 51 and a second locking position 52 provided on the second leg frame 23. The first leg frame 22 is provided with a first operating member 53 that can slide relative to it, and the first operating member 53 is provided with a locking member 54 that can extend into the first locking position 51 or the second locking position 52. A first elastic member 55 is provided between the first operating member 53 and the first leg frame 22. When the locking member 54 is locked into the first locking position 51, the second leg frame 23 and the first leg frame 22 are locked in a position away from each other, and when the locking member 54 is locked into the second locking position 51, the second leg frame 23 and the first leg frame 22 are locked in a position close to each other. The provision of the two-way lock assembly 5 further enables the second leg frame 23 and the first leg frame 22 to be locked in the balance vehicle mode or the tricycle mode, making the use of the children's vehicle safer and preventing accidental activation of the unlocking member 47 and unlocking the latch assembly 4 and the locking assembly. When the mode of the children's vehicle needs to be adjusted, the first operating member 53 is operated, and the first operating member 53 slides relative to the first leg frame 22, thereby disengaging the locking member 54 from the first locking position 51. At this time, the first leg frame 22 and the second leg frame 23 can rotate relative to the connecting base 21 to move closer to or away from each other. When the locking member 54 is locked in the first locking position 51, the second leg frame 23 and the first leg frame 22 are locked in a position away from each other, and the children's vehicle is in the tricycle mode. When the locking member 54 is locked in the second locking position 51, the second leg frame 23 and the first leg frame 22 are locked in a position close to each other, and the children's vehicle is in the balance vehicle mode.

[0042] like Figure 1 As shown, the first frame 1 is further provided with a steering handle 13 capable of steering the first wheel 11, making it easier for children to operate the steering.

[0043] like Figure 2 and Figure 3 As shown, the second wheel 24 is rotatably connected to the first leg frame 22 and the second leg frame 23. The second wheel 24 can be rotated from the outside of the first leg frame 22 and the second leg frame 23 to the inside of the first leg frame 22 and the second leg frame 23. Since the two second wheels 24 can fit together, the structure of the first leg frame 22 and the second leg frame 23 can be made more compact when they are close together.

[0044] like Figure 3 As shown, a connecting piece 81 is provided between the first leg frame 22 and the second leg frame 23 to connect the two. When the children's vehicle is in the balance vehicle mode, the first leg frame 22 and the second leg frame 23 are brought closer to each other for a more stable state.

[0045] like Figure 1As shown, the first frame 1 is detachably connected to a steering rod assembly 82 that can drive the steering handle 13 to rotate, so that an adult can easily control the movement and steering of the stroller. When the stroller is in the storage state, the steering rod assembly 82 is removed from the first frame 1.

[0046] The embodiment is described in detail above with reference to the accompanying drawings, but the present invention is not limited to the above embodiment. Various changes can be made within the knowledge of ordinary technicians in the technical field without departing from the present invention.

Claims

1. A children's vehicle, characterized in that: The invention relates to a first vehicle frame (1) having a first wheel (11), wherein the first vehicle frame (1) is connected to a second vehicle frame (2), wherein the second vehicle frame (2) comprises a connecting seat (21) connected to the first vehicle frame (1), wherein the connecting seat (21) is connected to a first leg frame (22) and a second leg frame (23) capable of relatively rotating, unfolding or closing, wherein the first leg frame (22) and the second leg frame (23) are connected to a second wheel (24), wherein a locking assembly (3) capable of locking the first leg frame (22) and the connecting seat (21) is provided between the first leg frame (22) and the connecting seat (21), wherein a latch assembly (4) capable of locking the second leg frame (23) and the connecting seat (21) and capable of locking the second leg frame (23) and unlocking the latch assembly (3) in conjunction with the latch assembly (4), wherein the first leg frame (22) and the second leg frame (23) can move away from or close to each other when the latch assembly (4) and the locking assembly (3) are unlocked, and wherein the first leg frame (22) and the second leg frame (23) can move away from or close to each other when the latch assembly (4) and the locking assembly (3) are unlocked, wherein the first vehicle frame (22) and the second leg frame (23) can move away from or close to each other when the latch assembly (4) and the locking assembly (3) are unlocked. 1) is also provided with a seat (61), the seat (61) comprising a mounting seat (612) connected to the first frame (1) and a seat body (613) movably connected to the mounting seat (612), a first adjustment component (65) capable of adjusting the height between the seat body (613) and the mounting seat (612), the first adjustment component (65) comprising a plurality of first adjustment positions (651) provided on the seat body (613), the plurality of first adjustment positions (651) being arranged at intervals up and down, the mounting seat (612) being provided with a first locking member (652) capable of sliding relative thereto and engaging in or disengaging from the first adjustment position (651), a fourth elastic member (653) capable of pushing the locking member to reset is provided between the first locking member (652) and the mounting seat (612), and an operating portion (6521) is also provided on the first locking member (652).

2. The children's vehicle according to claim 1, wherein: The seat (61) is provided with a backrest (62), and the seat (61) is provided with a receiving groove (611) capable of receiving the backrest (62). The backrest (62) is detachably connected to the seat (61) through the receiving groove (611). A locking assembly (63) capable of connecting the backrest (62) and the seat (61) is provided between the backrest (62) and the seat (61). The locking assembly (63) includes a second operating member (631) movably connected to the backrest (62), and a protruding portion (6311) is provided on the second operating member (631). A stopper (632) capable of abutting against the protruding portion (6311) to prevent the backrest (62) from detaching from the seat (61) is provided on the seat (61). A second elastic member (633) capable of keeping the protruding portion (6311) and the stopper (632) in a state of abutting against each other is provided between the second operating member (631) and the backrest (62).

3. The children's vehicle according to claim 2, wherein: A supporting assembly (64) is provided between the backrest (62) and the seat (61) to keep the backrest (62) and the seat (61) in a locked state. The supporting assembly (64) includes a pushing member (641) slidably connected to the receiving groove (611). A third elastic member (642) is provided between the pushing member (641) and the bottom surface of the receiving groove (611) to enable the pushing member (641) and the backrest (62) to press against each other.

4. The children's vehicle according to claim 1, wherein: The first frame (1) is provided with a slide groove (12) for the seat (61) to slide, and a second adjustment component (71) is provided between the seat (61) and the first frame (1) to adjust the position of the seat (61) relative to the first frame (1). The second adjustment component (71) includes a second adjustment position (711) and a third adjustment position (712) arranged on the first frame (1). The seat (61) is provided with a movable part (713) capable of moving up and down relative to the seat (61). The movable part (713) is provided with a first locking portion (7131) capable of being engaged in or disengaged from the second adjustment position (711) and engaged in or disengaged from the third adjustment position (712) following the movement of the movable part (713). A fifth elastic part (714) capable of pushing the movable part (713) to reset is provided between the movable part (713) and the seat (61).

5. The children's vehicle according to claim 1, characterized in that: The second frame (2) is slidably connected to the first frame (1); a third adjustment component (72) capable of adjusting the position between the second frame (2) and the first frame (1) is provided between the second frame (2) and the first frame (1); the third adjustment component (72) includes a fourth adjustment position (721) and a fifth adjustment position (722) provided on the first frame (1); the second frame (2) is provided with a sliding block (723) capable of sliding relative to the second frame; the sliding block (723) is provided with a locking piece (724) capable of following the movement of the sliding block and being engaged in or disengaged from the fourth adjustment position (721) or engaged in or disengaged from the fifth adjustment position (722); a sixth elastic member (725) is provided between the sliding block (723) and the second frame (2); and the second frame (2) is further provided with a third operating member (726) capable of pushing the sliding block (723) to slide relative to the second frame (2) after being operated.

6. The children's vehicle according to claim 1, characterized in that: The first wheel (11) is further detachably connected to a pedal assembly (91), and when the pedal assembly (91) is detached, it can be installed on the seat (61). The seat (61) is provided with a positioning assembly (92) capable of locking the pedal assembly (91). The positioning assembly (92) includes a locking position (921) provided on the pedal assembly (91). The positioning assembly (92) also includes a sliding member (922) slidably connected to the seat (61). The sliding member (922) is provided with a second locking portion (9221) capable of being locked into the locking position (921). A seventh elastic member (923) capable of pushing the sliding member (922) to reset is provided between the sliding member (922) and the seat (61). The sliding member (922) is also provided with a pressing portion (9222) exposed to the seat (61).

7. The children's vehicle according to claim 1, characterized in that: The locking assembly (4) includes a first connecting shell (41) arranged on the second leg frame (23) and a first locking shell (42) arranged on the connecting seat (21), the first locking shell (42) and the first connecting shell (41) are both provided with a first spline groove (43), a first sealed space (44) is formed between the first locking shell (42) and the first connecting shell (41), a first spline (45) that can move therein and can be simultaneously engaged with the first spline groove (43) on the first locking shell (42) and the first connecting shell (41), a first reset member (46) is further provided between the spline and the first locking shell (42), and an unlocking member (47) is provided on the first connecting shell (41) that can slide relative to the first spline and push the first spline (45) so that the first spline (45) is disengaged from the first spline groove (43) on the first connecting shell (41).

8. The children's vehicle according to claim 7, characterized in that: The locking assembly (3) includes a second locking shell (31) arranged on the connecting seat (21) and a second connecting shell (32) on the first leg frame (22), the second connecting shell (32) and the second locking shell (31) are both provided with a second spline groove (33), a second sealed space (34) is formed between the second locking shell (31) and the second connecting shell (32), and a second spline groove (33) is provided in the second sealed space (34) which can move therein and can be engaged with the second spline groove on the second locking shell (31) and the second connecting shell (32). (33) A second spline (35) is engaged at the same time, and a second reset member (36) is provided between the second spline (35) and the second connecting shell (32). The first spline (45) is provided with a linkage unlocking portion (451) that can extend into the second sealed space (34), and when the first spline (45) is unlocked by the unlocking member (47), the linkage unlocking portion (451) can push the second spline (35) and make the second spline (35) disengage from the second spline groove (33) on the second locking shell (31).

9. The children's vehicle according to claim 8, characterized in that: A second lock assembly (5) capable of locking the second leg frame (23) and the first leg frame (22) is further provided between the second leg frame (23) and the first leg frame (22). The second lock assembly (5) includes a first locking position (51) and a second locking position (52) provided on the second leg frame (23). The first leg frame (22) is provided with a first operating member (53) capable of sliding relative to the first leg frame (22). The first operating member (53) is provided with a locking member (54) capable of extending into the first locking position (51) or the second locking position (52). A first elastic member (55) is provided between the first operating member (53) and the first leg frame (22). When the locking member (54) is locked into the first locking position (51), the second leg frame (23) and the first leg frame (22) are locked in a position away from each other, and when the locking member (54) is locked into the second locking position (52), the second leg frame (23) and the first leg frame (22) are locked in a position close to each other.

10. The children's vehicle according to claim 1, characterized in that: The first frame (1) is provided with a steering handle (13) capable of operating the steering of the first wheel (11); the second wheel (24) is rotatably connected to the first leg frame (22) and the second leg frame (23); the second wheel (24) can be rotated from the outside of the first leg frame (22) and the second leg frame (23) to the inside of the first leg frame (22) and the second leg frame (23); a connecting member (81) capable of connecting the first leg frame (22) and the second leg frame (23) is also provided between the first leg frame (22) and the second leg frame (23); and the first frame (1) is also detachably connected with a steering rod assembly (82) capable of driving the steering handle (13) to rotate.

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