CN220053913U

CN220053913U - Baby walking vehicle

Info

Publication number: CN220053913U
Application number: CN202321551576.8U
Authority: CN
Inventors: 杨粤
Original assignee: Huangshi Xihe Baby Products Co ltd
Current assignee: Huangshi Xihe Baby Products Co ltd
Priority date: 2023-06-19
Filing date: 2023-06-19
Publication date: 2023-11-21
Anticipated expiration: 2033-06-19

Abstract

The utility model provides a walking baby car which comprises a frame assembly and a push rod assembly for pushing the frame assembly, wherein the push rod assembly is arranged at the rear side of the frame assembly, the frame assembly comprises a front wheel supporting rod, a rear wheel supporting rod, a locking rod and a supporting tube, the front wheel supporting rod and the rear wheel supporting rod are mutually hinged through first hinge shafts, one end of the locking rod is hinged at the rear end of the front wheel supporting rod through second hinge shafts, a first locking structure for mutually locking is arranged between the locking rod and the front wheel supporting rod, the other end of the locking rod is hinged on the supporting tube through a third hinge shaft, the supporting tube is hinged on the rear wheel supporting rod through a fourth hinge shaft, and the supporting tube is connected on the push rod assembly. This child car of walking can improve the supporting stability after the frame expandes, avoids damaging children.

Description

Baby walking vehicle

Technical Field

The utility model relates to the technical field of child carts, in particular to a child cart for walking.

Background

Existing child carts are often configured to be collapsible for the purpose of facilitating storage and transport. Folding child strollers are widely used as a baby walker. The folding is convenient, the volume is small after folding, so that the folding baby stroller is easy to store and convenient to carry, and is a use requirement of consumers for folding baby strollers. The foldable stroller in the prior art generally comprises a foldable frame, wheels arranged below the frame, a locking device capable of locking the frame in an open state, and a seat pocket arranged on the frame and used for taking a baby. The existing folding child cart is large in size after being folded, and occupies a relatively large space for carrying and storing. Chinese patent publication No. CN214028810U discloses a portable folding cart comprising a frame assembly, a push rod assembly disposed at a rear side of the frame assembly and including upper and lower push rods and a handle, a seat assembly disposed at an upper portion of the frame assembly, and a wheel assembly rotatably connected to a lower portion of the frame assembly. Although the cart has a folding function, the cart frame is poor in stability after being unfolded, and is easy to fold when in use, so that the risk of damaging children occurs.

Disclosure of Invention

The utility model mainly aims to provide a child walking vehicle, which comprises but is not limited to solving the technical problem that the stability of a vehicle frame after being unfolded is not high so as to cause damage to a child.

In order to solve the technical problems, the utility model adopts the following technical scheme: the utility model provides a child car of walking, includes frame subassembly and is used for promoting frame subassembly's push rod subassembly, push rod subassembly install in frame subassembly's rear side, frame subassembly includes front wheel bracing piece, rear wheel bracing piece, locking lever and stay tube, articulated each other through first hinge between front wheel bracing piece and the rear wheel bracing piece, locking lever one end articulates through the second hinge the rear end of front wheel bracing piece, be equipped with the first locking structure that is used for mutually locking between locking lever and the front wheel bracing piece, the locking lever other end articulates through the third hinge on the stay tube, the stay tube articulates through the fourth hinge on the rear wheel bracing piece, first hinge, second hinge, third hinge and fourth hinge all parallel arrangement each other, the stay tube is connected on the push rod subassembly.

The beneficial effects of the utility model are as follows: when the front wheel support rod and the locking rod are mutually locked through the first locking structure, the front wheel support rod, the rear wheel support rod, the locking rod and the support tube form a stable triangle structure together, so that the whole frame is reliably supported, automatic folding of the frame after the frame is prevented from being unfolded, the support stability of the frame after the frame is improved, children are prevented from being damaged, and meanwhile, the frame assembly is convenient to fold after the first locking structure is unlocked.

Preferably, the first locking structure comprises a locking plate with a locking hook, the locking plate is hinged on the front wheel supporting rod through a fifth hinge shaft, a hook groove matched with the locking hook is formed in the locking rod, and a driving part for driving the locking hook to be clamped in or withdrawn from the hook groove is arranged at one end, far away from the locking hook, of the locking plate. Through adopting above-mentioned structure, realize the mutual locking between front wheel bracing piece and the locking pole, simple structure connects stably, improves locking reliability.

Preferably, the driving part is a pressing plate for pressing by hands. Through adopting above-mentioned structure, make first locking structure can unlock fast, facilitate the use.

Preferably, the number of the rear wheel supporting rods is two, and the two rear wheel supporting rods are symmetrically arranged on two sides of the front wheel supporting rod. By adopting the structure, the support stability of the frame is improved.

Preferably, the front end of the front wheel supporting rod is detachably connected with a universal front wheel, and the rear end of the rear wheel supporting rod is detachably connected with a rear wheel. Through adopting above-mentioned structure, do benefit to the dismouting front and back wheel, improve dismouting efficiency.

Preferably, the push rod assembly comprises a lower push rod and an upper push rod, the lower push rod is arranged in the support tube in a penetrating mode and fixedly connected with the support tube, the upper push rod is inserted in the lower push rod in a sliding mode, a second locking structure for locking mutually is arranged between the upper push rod and the lower push rod, and a handle is arranged at one end, far away from the lower push rod, of the upper push rod. Through adopting above-mentioned structure, conveniently promote the frame, do benefit to simultaneously and accomodate the folding.

Preferably, the second locking structure includes locking seat, locking piece, first spring, shifting block and cable, locking seat fixed connection is at last push rod lower extreme, the locking piece slides and sets up on the locking seat, first spring is installed on the locking seat and is used for driving the locking piece and stretches out in the locking seat, the push rod upper end is equipped with and supplies locking piece male lockhole down, shifting block sliding connection is at last push rod upper end, the cable is in between locking piece and the shifting block, works as the shifting block is stirred and is kept away from the locking seat, the shifting block is followed lockhole through the cable and is slided and withdraw from the locking piece. Through adopting above-mentioned structure, realize the mutual locking between upper push rod and the lower push rod, structural connection is stable, improves locking reliability.

Preferably, an unlocking structure is arranged on the handle and used for unlocking the shifting block to move away from the locking seat. Through adopting above-mentioned structure, avoid the maloperation and stir the shifting block, improve the safety in utilization.

Preferably, the unlocking structure comprises a limiting block and a second spring, the limiting block is arranged on the handle in a sliding mode, the second spring drives the limiting block to abut against the shifting block so as to prevent the shifting block from being shifted, and when the limiting block slides to be separated from the shifting block, the shifting block is unlocked. Through adopting above-mentioned structure, simple structure, spacing reliable improves unlocking structure's stability in use.

Preferably, a flexible seat is mounted on the frame assembly. Through adopting above-mentioned structure, supply children reliable and stable to sit and lean on, conveniently accomodate the folding simultaneously.

Drawings

FIG. 1 is a schematic illustration of a walking vehicle of the present utility model;

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

FIG. 3 is an enlarged view at A of FIG. 2;

FIG. 4 is an enlarged view at B of FIG. 2;

FIG. 5 is an enlarged view at C of FIG. 2;

FIG. 6 is a schematic structural view of an unlocking structure;

FIG. 7 is a schematic view of a folded configuration of the frame assembly;

reference numerals illustrate:

1. a frame assembly; 11. a front wheel support bar; 12. a rear wheel support bar; 13. a locking lever; 131. a hook groove; 14. a support tube; 2. a push rod assembly; 21. a push rod is downwards pushed; 22. an upper push rod; 3. a first hinge shaft; 4. a second hinge shaft; 5. a first locking structure; 51. a lock plate; 52. a latch hook; 53. a pressing plate; 6. a third hinge shaft; 7. a fourth hinge shaft; 8. a fifth hinge shaft; 9. a universal front wheel; 10. a rear wheel; 20. a second locking structure; 201. a locking seat; 202. a locking piece; 203. a first spring; 204. a shifting block; 205. a guy cable; 30. a handle; 40. an unlocking structure; 401. a limiting block; 402. a second spring; 50. seat pocket; 60. virtual triangles.

Detailed Description

In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.

In the description of the present utility model, it should be noted that the positional or positional relationship indicated by the terms such as "upper", "lower", "left", "right", "front", "rear", etc. are based on the positional or positional relationship shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element in question must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

As shown in fig. 1 to 7, the utility model provides a child walking vehicle, which comprises a frame assembly 1 and a push rod assembly 2 for pushing the frame assembly 1, wherein the push rod assembly 2 is arranged at the rear side of the frame assembly 1, the frame assembly 1 comprises a front wheel support rod 11, a rear wheel support rod 12, a locking rod 13 and a support tube 14, the front wheel support rod 11 and the rear wheel support rod 12 are mutually hinged through a first hinge shaft 3, one end of the locking rod 13 is hinged at the rear end of the front wheel support rod 11 through a second hinge shaft 4, a first locking structure 5 for mutually locking is arranged between the locking rod 13 and the front wheel support rod 11, the other end of the locking rod 13 is hinged at the upper end of the support tube 14 through a third hinge shaft 6, the lower end of the support tube 14 is hinged on the rear wheel support rod 12 through a fourth hinge shaft 7, and the support tube 14 is connected to the push rod assembly 2. The first hinge shaft 3, the second hinge shaft 4, the third hinge shaft 6 and the fourth hinge shaft 7 are all arranged in parallel. When the first locking structure 5 is locked, the front wheel supporting rod 11, the rear wheel supporting rod 12, the locking rod 13 and the supporting tube 14 are jointly surrounded to form a virtual triangle 60, and the first hinge shaft 3, the third hinge shaft 6 and the fourth hinge shaft 7 are respectively positioned at three corners of the virtual triangle 60 to form a stable supporting structure.

In this embodiment, the first locking structure 5 includes a locking plate 51 having a locking hook 52, the locking plate 51 is hinged on the front wheel support rod 11 through the fifth hinge shaft 8, the locking rod 13 is provided with a hook slot 131 matching with the locking hook 52, one end of the locking plate 51 far away from the locking hook 52 is provided with a driving part for driving the locking hook 52 to be clamped in or out of the hook slot 131, thereby realizing mutual locking between the front wheel support rod 11 and the locking rod 13, having simple structure and stable connection, and improving locking reliability. The driving part is a pressing plate 53 for pressing by hands.

In this embodiment, the number of the rear wheel supporting rods 12 is two, and the two rear wheel supporting rods 12 are symmetrically disposed at both sides of the front wheel supporting rod 11, thereby improving the supporting stability of the frame. The front end of the front wheel supporting rod 11 is detachably connected with a universal front wheel 9, and the rear end of the rear wheel supporting rod 12 is detachably connected with a rear wheel 10. When the first locking structure 5 is unlocked, the front wheel supporting rod 11, the rear wheel supporting rod 12, the locking rod 13 and the supporting tube 14 jointly form a four-bar hinge structure, the universal front wheel 9 and the rear wheel 10 are mutually abutted to enable the frame assembly 1 to be capable of standing and folding, so that the frame can be stored in a standing mode, the frame can be unfolded conveniently next time, bending is avoided, and the frame is convenient to use.

In this embodiment, the push rod assembly 2 includes a lower push rod 21 and an upper push rod 22, the lower push rod 21 is inserted into the support tube 14 and fixedly connected with the support tube 14, the upper push rod 22 is slidingly inserted into the lower push rod 21, a second locking structure 20 for locking between the upper push rod 22 and the lower push rod 21 is disposed between the upper push rod 22 and the lower push rod 21, and a handle 30 is disposed at one end of the upper push rod 22 far away from the lower push rod 21. The second locking structure 20 comprises a locking seat 201, a locking block 202, a first spring 203, a shifting block 204 and a pull rope 205, wherein the locking seat 201 is fixedly connected with the lower end of the upper push rod 22, the locking block 202 is slidably arranged on the locking seat 201, the first spring 203 is arranged on the locking seat 201 and is used for driving the locking block 202 to extend out of the locking seat 201, a lock hole for inserting the locking block 202 is formed in the upper end of the lower push rod 21, the shifting block 204 is slidably connected with the upper end of the upper push rod 22, the pull rope 205 is connected between the locking block 202 and the shifting block 204, and when the shifting block 204 is shifted away from the locking seat 201, the shifting block 204 slides out of the lock hole through the pull rope 205.

In this embodiment, the handle 30 is provided with an unlocking structure 40, and the unlocking structure 40 is used for unlocking the movement of the dial 204 away from the locking seat 201. The unlocking structure 40 comprises a limiting block 401 and a second spring 402, the limiting block 401 is slidably arranged on the handle 30, the second spring 402 drives the limiting block 401 to abut against the shifting block 204 so as to prevent the shifting block 204 from being shifted, and when the limiting block 401 slides to be separated from the shifting block 204, the shifting block 204 is unlocked.

In this embodiment, the frame assembly 1 is provided with a flexible seat 50, so that a child can sit on the seat stably and reliably, and the seat is convenient to store and fold.

In this embodiment, the handle 30 is detachably provided with a ceiling, and the ceiling is rotatable around the handle 30.

Although the present disclosure is described above, the scope of protection of the present disclosure is not limited thereto. Various changes and modifications may be made by one skilled in the art without departing from the spirit and scope of the disclosure, and these changes and modifications will fall within the scope of the utility model.

Claims

1. The utility model provides a child car of walking, includes frame subassembly (1) and is used for promoting push rod subassembly (2) of frame subassembly (1), push rod subassembly (2) install in the rear side of frame subassembly (1), a serial communication port, frame subassembly (1) are including front wheel bracing piece (11), rear wheel bracing piece (12), locking lever (13) and stay tube (14), articulated each other through first hinge (3) between front wheel bracing piece (11) and rear wheel bracing piece (12), locking lever (13) one end is articulated through second hinge (4) the rear end of front wheel bracing piece (11), be equipped with first locking structure (5) that are used for interlocking between locking lever (13) and front wheel bracing piece (11), the locking lever (13) other end is articulated through third hinge (6) on stay tube (14), stay tube (14) are articulated through fourth hinge (7) on rear wheel bracing piece (12), first hinge (3), second hinge (4), third hinge (6) and fourth hinge (7) are in parallel arrangement on stay tube (2).

2. The walking vehicle according to claim 1, characterized in that the first locking structure (5) comprises a locking plate (51) with a locking hook (52), the locking plate (51) is hinged on the front wheel supporting rod (11) through a fifth hinge shaft (8), a hook groove (131) matched with the locking hook (52) is formed in the locking rod (13), and a driving part for driving the locking hook (52) to be clamped into or withdrawn from the hook groove (131) is arranged at one end, far away from the locking hook (52), of the locking plate (51).

3. A walking vehicle according to claim 2, characterized in that the drive part is a pressure plate (53) for hand pressing.

4. The walking vehicle according to claim 1, characterized in that the number of the rear wheel support rods (12) is two, and the two rear wheel support rods (12) are symmetrically arranged at both sides of the front wheel support rod (11).

5. The walking vehicle of claim 4, wherein the front end of the front wheel support bar (11) is detachably connected with a universal front wheel (9), and the rear end of the rear wheel support bar (12) is detachably connected with a rear wheel (10).

6. The walking vehicle of claim 5, wherein when the first locking structure (5) is unlocked, the front wheel support rod (11), the rear wheel support rod (12), the locking rod (13) and the support tube (14) together form a four-bar linkage structure, and the universal front wheel (9) and the rear wheel (10) are abutted against each other, so that the frame assembly (1) can be folded in a standing manner.

7. The walking vehicle according to claim 1, wherein the push rod assembly (2) comprises a lower push rod (21) and an upper push rod (22), the lower push rod (21) is arranged in the support tube (14) in a penetrating manner and is fixedly connected with the support tube (14), the upper push rod (22) is slidably inserted in the lower push rod (21), a second locking structure (20) for mutually locking is arranged between the upper push rod (22) and the lower push rod (21), and a handle (30) is arranged at one end, far away from the lower push rod (21), of the upper push rod (22).

8. The walker as claimed in claim 7 wherein the second locking structure (20) comprises a locking seat (201), a locking block (202), a first spring (203), a shifting block (204) and a pulling rope (205), wherein the locking seat (201) is fixedly connected to the lower end of the upper push rod (22), the locking block (202) is slidably arranged on the locking seat (201), the first spring (203) is mounted on the locking seat (201) and is used for driving the locking block (202) to extend out of the locking seat (201), a locking hole into which the locking block (202) is inserted is formed in the upper end of the lower push rod (21), the shifting block (204) is slidably connected to the upper end of the upper push rod (22), and the pulling rope (205) is connected between the locking block (202) and the shifting block (204), and when the shifting block (204) is shifted away from the locking seat (201), the shifting block (204) is retracted from the locking hole through the pulling rope (205).

9. The walking vehicle of claim 8, wherein the handle (30) is provided with an unlocking structure (40), the unlocking structure (40) is used for unlocking the shifting block (204) and moving away from the locking seat (201), the unlocking structure (40) comprises a limiting block (401) and a second spring (402), the limiting block (401) is slidably arranged on the handle (30), and the second spring (402) drives the limiting block (401) to abut against the shifting block (204) so as to prevent the shifting block (204) from being shifted, and when the limiting block (401) slides away from the shifting block (204), the shifting block (204) is unlocked.

10. A walking child vehicle according to claim 1, characterized in that a flexible seat (50) is mounted on the frame assembly (1).