CN222360993U

CN222360993U - Child cart

Info

Publication number: CN222360993U
Application number: CN202320491257.6U
Authority: CN
Inventors: 徐涛
Original assignee: Zhongshan Hengzhibao Baby Products Co ltd
Current assignee: Zhongshan Hengzhibao Baby Products Co ltd
Priority date: 2023-03-14
Filing date: 2023-03-14
Publication date: 2025-01-17
Anticipated expiration: 2033-03-14

Abstract

The utility model discloses a child stroller, which can be moved from an unfolded position to a folded position after a locking device is unlocked, and comprises a bottom support frame and a connecting seat connected to the bottom support frame by rotation around a first axis A, the bottom support frame comprises rear legs and front legs connected to the rear legs by rotation around a second axis B, the rear legs are also connected to a support rod by rotation around a third axis C, and a linkage member is provided between the support rod and the front legs, which can drive the front legs to move closer to the rear legs when the support rod is folded closer to the rear legs around the third axis C, and wheels are connected to the front legs and the rear legs. The utility model aims to overcome the shortcomings of the prior art and provide a child stroller with a simple structure and convenient folding.

Description

Child cart

[ Field of technology ]

The utility model relates to a child stroller.

[ Background Art ]

The children's shallow provides very big convenience for the adult carries less children to carry out outdoor activities, therefore children's shallow gradually becomes a necessity when children go out. In order to facilitate carrying and storage of the child stroller, the stroller frame forming the child stroller can be folded generally. The existing baby stroller is various in types, the number of stroller frame rods is different, and the connecting positions among the rods are different, so that the folding principle, the folding mode and the folding effect are different.

[ utility model ]

The utility model aims to overcome the defects of the prior art and provides the child cart which is simple in structure and convenient to fold.

The utility model is realized by the following technical scheme:

The utility model provides a children's shallow can follow expansion position and remove to folding position after unblock locking device, includes bottom sprag frame 1 and rotates connecting seat 2 on bottom sprag frame 1 around first axis A, bottom sprag frame 1 include back leg 11 and around the preceding leg 12 of second axis B rotation connection on back leg 11, back leg 11 on still rotate around third axis C and be connected with bracing piece 3, just bracing piece 3 and preceding leg 12 between still be equipped with and can order about the linkage piece 4 that preceding leg 12 was drawn close to back leg 11 when bracing piece 3 was folded to back leg 11 around third axis C, preceding leg 12 and back leg 11 on all be connected with wheel 13.

The rear leg 11 comprises a rear leg frame 111, an extending part 112 extending forwards is arranged at the upper end of the rear leg frame 111, the front leg 12 is rotationally connected to the extending part 112 around a second axis B, the supporting rod 3 is rotationally connected to the upper end of the rear leg frame 111 around a third axis C, the wheels 13 are connected to the lower end of the rear leg frame 111, and the connecting seat 2 is arranged right above the extending part 112.

The linkage piece 4 comprises a linkage rod 41, the rear end of the linkage rod 41 is rotatably connected to the support rod 3 around a fourth axis D, the front end of the linkage rod 41 is connected with a bolt 42 which can be arranged on the front leg 12 in a penetrating mode, and the front leg 12 is provided with a sliding groove 121 which can enable the bolt 42 to slide in and enable the front leg 12 to rotate towards the rear leg 11 when being pressed by the bolt 42.

The sliding groove 121 is arc-shaped, and the sliding groove 121 is provided with a pressing end 1211 which can be mutually pressed against the bolt 42 when the bolt 42 moves.

A first elastic piece 14 which is in a deformation state when the baby carriage is unfolded and drives the front leg 12 to rotate and fold towards the rear leg 11 when the baby carriage is folded is arranged between the front leg 12 and the rear leg 11.

The rear leg 11 is also provided with a transverse bracing piece 113 which extends transversely, and the transverse bracing piece 113 is provided with a clamping position 1131 which can be used for clamping the supporting rod 3 when the baby carriage is folded.

The connecting seat 2 includes a seat body 21 and a protruding portion 22 extending downward relative to the seat body 21, the protruding portion 22 is rotatably connected to the extending portion 112 around a first axis a, and the first axis a and the second axis B are located on the same axis.

The locking device 5 comprises a locking piece 51 arranged on the connecting seat 2, the supporting rod 3 is connected with a clamping hook 52 which can rotate around a fifth axis E relative to the supporting rod and is clamped with the locking piece 51 or separated from the locking piece 51, a second elastic piece 53 which can enable the clamping hook 52 to keep a locking state is arranged between the clamping hook 52 and the supporting rod 3, and the supporting rod 3 is connected with a hand push rod 6 which can push the clamping hook 52 when the supporting rod slides relative to the supporting rod so that the clamping hook 52 is separated from the locking piece 51.

The seat assembly 7 capable of rotating and reversing relative to the seat assembly 7 is connected to the connecting seat 2, the seat assembly 7 comprises a seat part 71 rotatably connected to the connecting seat 2 and a backrest part 72 rotatably connected to the seat part 71 around a sixth axis F, the backrest part 72 is rotatably connected with a handrail frame 73 around a seventh axis G, a connecting piece 74 which is rotatably connected with the handrail frame 73 and the seat part 71 and can be matched with the seat part 71, the handrail frame 73 and the backrest part 72 to form a surrounding frame is arranged between the handrail frame 73 and the seat part 71, the upper end of the connecting piece 74 is rotatably connected to the handrail frame 73 around an eighth axis H, the lower end of the connecting piece 74 is rotatably connected to the seat part 71 around a ninth axis I, and a locking device capable of enabling the seat assembly 7 to be in a locking state is arranged between the seat part 71 and the backrest part 72.

An elastic component 8 in a deformation state when the child stroller is unfolded is arranged between the connecting seat 2 and the supporting rod 3.

Compared with the prior art, the folding child stroller has the advantages that the locking device is unlocked firstly when the child stroller is folded, then the supporting rod is pushed to rotate towards the rear leg around the third axis C, the supporting rod drives the linkage piece to move in the process of rotating towards the rear leg, the linkage piece can drive the front leg to draw towards the rear leg around the second axis B when moving, and therefore folding of the whole child stroller is completed, and a user can complete folding of the whole child stroller only by pushing the supporting rod to rotate towards the rear leg, and folding operation is simple.

[ Description of the drawings ]

FIG. 1 is a perspective view of a child stroller of the present utility model;

FIG. 2 is a cross-sectional view of the child stroller of the present utility model;

FIG. 3 is an enlarged view of region J of FIG. 2;

FIG. 4 is a cross-sectional view of the linkage and front legs of the child stroller of the present utility model;

FIG. 5 is a perspective view of the connection base of the stroller of the present utility model;

FIG. 6 is a perspective view of the child stroller of the present utility model when folded;

FIG. 7 is a side view of the child stroller of the present utility model folded;

FIG. 8 is a perspective view of the child stroller of the present utility model with the stroller folded;

FIG. 9 is a side view of the child stroller of the present utility model with the stroller folded;

FIG. 10 is an exploded view of the front and rear legs of the child stroller of the present utility model;

FIG. 11 is one of the operational state diagrams of the child stroller of the present utility model;

FIG. 12 is a second view of the child stroller according to the present utility model;

FIG. 13 is a side view of the child stroller of the present utility model in use;

Fig. 14 is a sectional view showing the connection base and the support bar connected by the elastic member in the stroller according to the present utility model.

[ Detailed description ] of the invention

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

As shown in fig. 1 to 14, the utility model provides a stroller capable of moving from an unfolded position to a folded position after unlocking a locking device, comprising a bottom support frame 1 and a connecting seat 2 rotatably connected to the bottom support frame 1 around a first axis a, wherein the bottom support frame 1 comprises a rear leg 11 and a front leg 12 rotatably connected to the rear leg 11 around a second axis B, a support rod 3 is rotatably connected to the rear leg 11 around a third axis C, a linkage piece 4 capable of driving the front leg 12 to approach the rear leg 11 when the support rod 3 is folded toward the rear leg 11 around the third axis C is further arranged between the support rod 3 and the front leg 12, and wheels 13 are connected to the front leg 12 and the rear leg 11.

When the child stroller is folded, the locking device is unlocked firstly, then the supporting rod 3 is pushed to rotate towards the rear leg 11 around the third axis C, in the process that the supporting rod 3 rotates towards the rear leg 11, the supporting rod 3 drives the linkage piece 4 to move, and the linkage piece 4 can drive the front leg 12 to move towards the rear leg 11 around the second axis B when moving, so that the folding of the whole child stroller is completed, and a user can complete the folding of the whole child stroller only by pushing the supporting rod 3 to rotate towards the rear leg 11, and the folding operation is simple.

As shown in fig. 2 to 4, the rear leg 11 includes a rear leg frame 111, an extension portion 112 extending forward is provided at an upper end of the rear leg frame 111, the front leg 12 is rotatably connected to the extension portion 112 about a second axis B, the wheel 13 of the support frame 3 is connected to a lower end of the rear leg frame 111, and the connection base 2 is disposed directly above the extension portion 112. The extension part 112 enables the linkage member 4 to have enough movement space when moving relative to the bracket member 3 and the front leg 12, so that the bracket member 3 can drive the linkage member 4 to move and the bracket member 3 can drive the front leg 12 to move more smoothly.

As shown in fig. 2 to 4, the linkage 4 includes a linkage rod 41, the rear end of the linkage rod 41 is rotatably connected to the support rod 3 around a fourth axis D, the front end of the linkage rod 41 is connected with a latch 42 that can be inserted into the front leg 12, and the front leg 12 is provided with a chute 121 that can slide inside the latch 42 and enable the front leg 12 to rotate toward the rear leg 11 when being pressed by the latch 42. When the support rod 3 rotates around the second axis B relative to the rear leg 11, the lower end of the support rod 3 moves upwards, and when the lower end of the support rod 3 moves upwards, the rear end of the linkage rod 41 rotates around the fourth axis D relative to the support rod 3 and moves obliquely upwards under the drive of the lower end of the support rod 3, so that the bolt 42 at the front end of the linkage rod 41 abuts against the end of the chute 121, and the front leg 12 rotates towards the rear leg 11.

As shown in fig. 4, the sliding groove 121 is arc-shaped, and the sliding groove 121 is provided with a pressing end 1211 capable of pressing against the pin 42 when the pin 42 moves. The front leg 12 rotates circularly relative to the rear leg 11, so when the chute 121 is arc-shaped, the bolt 42 can also move in the chute 121 in arc shape and push the pushing end 1211, so that the bolt 42 moves in the chute 121 more smoothly.

As shown in fig. 10, a first elastic member 14 is disposed between the front leg 12 and the rear leg 11, and is configured to be deformed when the stroller is unfolded and to drive the front leg 12 to rotate and fold toward the rear leg 11 when the stroller is folded. The first elastic member 14 is a torsion spring. When the stroller is in the unfolded state, the first elastic member 14 is in the deformed state, and the first elastic member 14 does not rebound since the locking device locks the stroller. When the locking means is unlocked and the support 3 is turned downwards, the first elastic member 14 starts to rebound and press the front leg 12 to fold rotationally towards the rear leg 11, so that the front leg 12 to fold rotationally towards the rear leg 11 is smoother.

As shown in fig. 1 and 8, the rear leg 11 is further provided with a transverse brace 113 extending transversely, and the transverse brace 113 is provided with a clamping position 1131 for clamping the support rod 3 when the stroller is folded. When the stroller is folded, the support rod 3 can be clamped into the clamping position 1131, so that the folded volume of the whole stroller is smaller.

As shown in fig. 5, the connecting seat 2 includes a seat body 21 and a protruding portion 22 extending downward relative to the seat body 21, and the protruding portion 22 is rotatably connected to an upper end of the front leg 12 about a third axis C. The seat 21 is pivoted towards the front leg 12 about the third axis C by means of the projection 22.

As shown in fig. 2 to 3, the locking device 5 includes a locking member 51 disposed on the connecting seat 2, the support rod 3 is connected with a hook 52 capable of rotating around a fifth axis E relative to the support rod to engage with or disengage from the locking member 51, a second elastic member 53 capable of maintaining the locking state of the hook 52 is disposed between the hook 52 and the support rod 3, and the support rod 3 is connected with a push rod 6 capable of pushing the hook 52 to disengage the hook 52 from the locking member 51 when sliding relative to the support rod 3. The locking member 51 is a rod, a connecting column or a latch arranged transversely to the connecting seat 2. When the baby carriage needs to be folded, the push rod 6 is driven to slide relative to the support rod 3, when the push rod 6 slides relative to the support rod 3, the push rod 6 pushes the clamping hook 52 to enable the clamping hook 52 to rotate relative to the support rod 3 around the fifth axis E, the clamping hook 52 is separated from the clamping locking piece 51 in the rotating process, at the moment, the locking device 5 is unlocked, and the support rod 3 and the connecting seat 2 can rotate and fold relative to the rear leg 11 and the front leg 12 respectively.

As shown in fig. 11 to 12, the connecting seat 2 is connected with a seat assembly 7 which can be turned and reversed relative to the connecting seat. The user is able to take care of the child sitting on the seat assembly 7 when the seat assembly 7 is facing the user and the child sitting on the seat assembly 7 is facing forward when the seat assembly 7 is facing away from the user. When the seat assembly 7 is not provided, a child may sit on the connection base 2, only by modifying the shape and size of the connection base 2.

As shown in fig. 13, the seat assembly 7 includes a seat portion 71 rotatably connected to the connection seat 2 and a backrest portion 72 rotatably connected to the seat portion 71 about a sixth axis F, the backrest portion 72 is rotatably connected to the armrest frame 73 about a seventh axis G, a connection member 74 rotatably connected to the armrest frame 73 and the seat portion 71 and capable of being engaged with the seat portion 71, the armrest frame 73 and the backrest portion 72 to form a surrounding frame is provided between the armrest frame and the seat portion 71, the upper end of the connection member 74 is rotatably connected to the armrest frame 73 about an eighth axis H, the lower end of the connection member 74 is rotatably connected to the seat portion 71 about a ninth axis I, and a locking device capable of locking the seat assembly 7 is provided between the seat portion 71 and the backrest portion 72. The locking structure is a conventional lock structure such as a spline lock or a latch and a slot provided on the seat portion 71 and the backrest portion 72. When the seat assembly 7 needs to be folded, the locking device is unlocked firstly, then the backrest 72 is pushed to rotate around the sixth axis F to fold towards the seat part 71, the backrest 72 drives the armrest frame 73 to move in the process of rotating and folding the backrest 72, the armrest frame 73 rotates around the seventh axis G relative to the backrest 72 and folds towards the connecting piece 74, the upper part of the connecting piece 74 moves forwards and rotates around the eighth axis H relative to the armrest frame 73 when being pressed by the front end of the armrest frame 73, and when the lower end of the connecting piece 74 rotates around the ninth axis I relative to the seat part 71, the connecting piece 74 folds towards the seat part 71, and when the armrest frame 73 closes with the seat part 71 and the connecting piece 74, the whole seat assembly 7 completes folding. The folded seat assembly occupies small space and is convenient for a user to store or carry when going out.

As shown in fig. 14, an elastic component 8 in a deformed state when the stroller is unfolded is further arranged between the connecting seat 2 and the supporting rod 3. The elastic member 8 is a tension spring, and when the stroller is in the unfolded state, the elastic member 8 is in the deformed state, and the locking device locks the stroller, so that the elastic member 8 cannot be restored. When the locking device is unlocked, the elastic component 8 is rebounded and reset, and the elastic component 8 can provide a certain pulling force for the child cart when the elastic component is rebounded and reset, so that the child cart is smoother when being retracted, and the vehicle is more flexible to retract.

Claims

1. The child stroller is capable of moving from an unfolding position to a folding position after unlocking a locking device and is characterized by comprising a bottom supporting frame (1) and a connecting seat (2) rotatably connected to the bottom supporting frame (1) around a first axis (A), wherein the bottom supporting frame (1) comprises a rear leg (11) and a front leg (12) rotatably connected to the rear leg (11) around a second axis (B), a supporting rod (3) is rotatably connected to the rear leg (11) around a third axis (C), a linkage piece (4) capable of driving the front leg (12) to be folded towards the rear leg (11) when the supporting rod (3) is folded towards the rear leg (11) around the third axis (C) is arranged between the supporting rod (3) and the front leg (12), the front leg (12) and the rear leg (11) are both connected with a rear leg frame (111), a forward extending part (12) is arranged at the upper end of the rear leg (111) and a forward extending part (12) is rotatably connected to the lower end (13) of the rear leg (112) around the second axis (13), the connecting seat (2) is arranged right above the extension part (112).

2. The stroller of claim 1, wherein the linkage member (4) comprises a linkage rod (41), the rear end of the linkage rod (41) is rotatably connected to the support rod (3) around a fourth axis (D), the front end of the linkage rod (41) is connected with a bolt (42) capable of being arranged on the front leg (12) in a penetrating manner, and the front leg (12) is provided with a sliding groove (121) which can enable the bolt (42) to slide inwards and enable the front leg (12) to rotate towards the rear leg (11) when being pressed by the bolt (42).

3. The stroller of claim 2, wherein the sliding groove (121) is arc-shaped, and a pressing end (1211) capable of pressing against the pin (42) when the pin (42) moves is disposed on the sliding groove (121).

4. A stroller as in any one of claims 1 to 3, wherein a first elastic member (14) is provided between the front leg (12) and the rear leg (11) and is configured to deform when the stroller is unfolded and to urge the front leg (12) to rotate and fold toward the rear leg (11) when the stroller is folded.

5. The stroller of claim 4, wherein the rear legs (11) are further provided with transverse supporting members (113), and the transverse supporting members (113) are provided with clamping positions (1131) for clamping the supporting rods (3) when the stroller is folded.

6. The stroller of claim 1, wherein the connection base (2) comprises a base body (21) and a protruding portion (22) extending downward relative to the base body (21), the protruding portion (22) is rotatably connected to the extending portion (112) around a first axis (a), and the first axis (a) and the second axis (B) are on the same axis.

7. The stroller of claim 1, wherein the locking device (5) comprises a locking piece (51) arranged on the connecting seat (2), the supporting rod (3) is connected with a clamping hook (52) which can rotate around a fifth axis (E) relative to the supporting rod and is clamped with the locking piece (51) or separated from the locking piece (51), an elastic piece (53) which can enable the clamping hook (52) to keep a locking state is arranged between the clamping hook (52) and the supporting rod (3), and the supporting rod (3) is connected with a hand pushing rod (6) which can push the clamping hook (52) to enable the clamping hook (52) to be separated from the locking piece (51) when the supporting rod slides relative to the supporting rod.

8. The stroller of claim 1, wherein the seat assembly (7) is rotatably connected to the connecting seat (2), the seat assembly (7) comprises a seat part (71) rotatably connected to the connecting seat (2) and a backrest part (72) rotatably connected to the seat part (71) about a sixth axis (F), the backrest part (72) is rotatably connected to the armrest frame (73) about a seventh axis (G), a connecting piece (74) rotatably connected to the seat part (71), the armrest frame (73) and the backrest part (71) and capable of being engaged with the seat part (71), the armrest frame (73) and the backrest part (72) to form a surrounding frame, the upper end of the connecting piece (74) is rotatably connected to the armrest frame (73) about an eighth axis (H), the lower end of the connecting piece (74) is rotatably connected to the seat part (71) about a ninth axis (I), and the locking device (7) is arranged between the armrest frame (73) and the backrest part (72).

9. The stroller of claim 1, wherein an elastic member (8) is further provided between the connection base (2) and the support bar (3) and is in a deformed state when the stroller is unfolded.