CN214524009U

CN214524009U - Children's barrow

Info

Publication number: CN214524009U
Application number: CN202023161800.1U
Authority: CN
Inventors: 王俊马
Original assignee: Goodbaby Child Products Co Ltd
Current assignee: Goodbaby Child Products Co Ltd
Priority date: 2020-12-24
Filing date: 2020-12-24
Publication date: 2021-10-29
Anticipated expiration: 2030-12-24

Abstract

The utility model discloses a children's cart, the frame of which comprises a front bracket, a rear bracket, a push rod bracket, a lower support frame, a front support frame and a rear support frame, wherein the upper part of the front bracket, the upper part of the rear bracket and the lower part of the push rod frame are mutually and rotatably connected together, the upper part of the lower bracket is rotationally connected with the lower part of the push rod frame, the front bracket is rotationally connected between the lower part of the front bracket and the lower part of the lower bracket, the rear support frame is rotationally connected between the lower part of the rear bracket and the lower part of the lower support frame, the frame also comprises a seat frame and a seat connecting rod, the front part of the seat frame is rotationally connected to the front bracket, one end part of the seat connecting rod is rotatably connected to the rear part of the seat frame, and the other end part of the seat connecting rod is rotatably connected to the front supporting frame or the lower supporting frame or the rear supporting frame. The frame has the advantages of small quantity of rod pieces, simple structure, convenient folding, compact structure after folding and convenient use for users.

Description

Children's barrow

Technical Field

The utility model relates to a children's shallow.

Background

The child stroller plays an important role in daily life of a user for carrying an infant to go out, and is one of indispensable children products in the growth process of the child. In order to reduce the storage space, most of the stroller frames of the existing stroller can be folded, and how to make the number of the rods of the stroller frame as small as possible and the structure as simple as possible on the basis of ensuring the overall use performance of the stroller on the premise of being able to fold the stroller frame together with the seat device, and the folded stroller frame is as flat and compact as possible, which is always the aim continuously pursued by those skilled in the art.

Disclosure of Invention

The utility model aims at providing a simple structure and folding back compact structure's children's shallow.

In order to achieve the above purpose, the utility model adopts the technical scheme that: a children's cart comprises a frame with an unfolding state and a folding state, a front wheel assembly and a rear wheel assembly which are arranged at the bottom of the frame, and a locking mechanism used for locking the frame at the unfolding state, wherein the frame comprises a front support, a rear support, a push rod frame, a lower support frame, a front support frame and a rear support frame, the front wheel assembly is arranged at the bottom of the front support, the rear wheel assembly is arranged at the bottom of the rear support, the upper part of the front support, the upper part of the rear support and the lower part of the push rod frame are mutually and rotatably connected together, the lower support frame extends along the vertical direction, the upper part of the lower support frame is rotatably connected with the lower part of the push rod frame, the front support frame is rotatably connected between the lower part of the front support frame and the lower part of the lower support frame, the rear support frame is rotatably connected between the lower part of the rear support frame and the lower part of the lower support frame, the frame further comprises a seat frame and a seat connecting rod, the front part of the seat frame is rotatably connected to the front support, one end part of the seat connecting rod is rotatably connected to the rear part of the seat frame, and the other end part of the seat connecting rod is rotatably connected to the front support frame or the lower support frame or the rear support frame.

Preferably, the rear portion of the front stay, the lower portion of the lower stay, and the other end portion of the seat link are rotatably connected together about the same rotation center line.

Preferably, the rear portion of the front bracket, the lower portion of the lower bracket, the other end portion of the seat link, and the front portion of the rear bracket are rotatably connected together about the same center line of rotation.

Preferably, the upper part of the front bracket, the upper part of the rear bracket and the lower part of the push rod frame are connected together in a rotating manner around a first rotating center line, the upper part of the lower bracket is connected with the lower part of the push rod frame in a rotating manner around a second rotating center line, and the first rotating center line and the second rotating center line are parallel to each other.

Further, the second rotating center line is located below the first rotating center line, and the lower support frame is supported below the push rod frame.

Further, the rear portion of the front bracket, the lower portion of the lower bracket and the other end portion of the seat link are connected together to rotate about a third rotation center line, which is located below the second rotation center line.

Preferably, when the frame is in the unfolded state, the seat link extends in the up-down direction, the seat link is disposed below the seat frame, the upper portion of the seat link is rotatably connected with the seat frame, and the lower portion of the seat link is rotatably connected to the lower support frame or the front support frame.

Preferably, the seat connecting rod is rotatably connected to the front support frame, and a four-bar linkage is formed among the front support frame, the seat connecting rod and the front support frame.

Preferably, when the frame is in the unfolded state, the seat frame extends obliquely downwards from front to back; when the frame is in the unfolding state, the seat frame gradually extends upwards and slantways from front to back.

Preferably, when the frame is in a folded state, the front support, the rear support, the push rod frame, the lower support frame, the front support frame and the rear support frame are mutually folded, the front wheel assembly and the rear wheel assembly are mutually close and supported at the bottom of the frame, and the height of the frame is basically consistent with that of the rear support frame.

Because of above-mentioned technical scheme's application, compared with the prior art, the utility model have the following advantage: the utility model discloses a children's shallow, its frame only includes members such as fore-stock, after-poppet, push rod frame, preceding strut, after-poppet, lower strut, seat frame and seat connecting rod, can realize taking the expansion of seat device and folding up, and its member is small in quantity, simple structure, each member on the folding back frame can draw in together closely, presents very compact structure, and it is convenient to fold up easy operation, and convenience of customers uses.

Drawings

Fig. 1 is a schematic structural view of the stroller of the present invention in an unfolded state of the stroller frame;

fig. 2 is a schematic structural view of the stroller of the present invention in a semi-folded state;

fig. 3 is a schematic structural view of the stroller of the present invention in a folded state;

wherein: 1. a frame; 1a, a first shaft; 1b, a second shaft; 1c, a third axis; 11. a front bracket; 12. a rear bracket; 13. a push rod frame; 131. a lower push rod frame; 132. an upper push rod frame; 14. a lower support frame; 15. a front bracket; 16. a rear support frame; 17. a seat frame; 18. a seat link; 2. a front wheel assembly; 3. a rear wheel assembly.

Detailed Description

The technical solution of the present invention will be further explained with reference to the accompanying drawings and specific embodiments.

The following descriptions of the up, down, front, rear, etc. orientations are defined with reference to the orientation of the stroller when viewed in the unfolded use position with a child seated on the stroller.

Referring to fig. 1 to 3, the stroller includes a frame 1 having an unfolded state and a folded state, a front wheel assembly 2 and a rear wheel assembly 3 provided at the bottom of the frame 1, and a locking mechanism (not shown) for locking the frame 1 in the unfolded state.

This frame 1 includes fore-stock 11, rear bracket 12, push rod frame 13, lower strut frame 14, preceding strut frame 15 and back strut frame 16, wherein: the front wheel assembly 2 is arranged at the bottom of the front bracket 11, the rear wheel assembly 3 is arranged at the bottom of the rear bracket 12, and the upper part of the front bracket 11, the upper part of the rear bracket 12 and the lower part of the push rod bracket 13 are mutually and rotatably connected together by adopting a rotating joint. Here, the push rod frame 13 includes a lower push rod frame 131 and an upper push rod frame 132 which are relatively foldable, a lower portion of the lower push rod frame 131 is rotatably connected to the front frame 11 and the rear frame 12, and a lower portion of the upper push rod frame 131 is rotatably connected to an upper portion of the lower push rod frame 132. The lower bracket 14 extends in the vertical direction, the upper part of the lower bracket 14 is rotatably connected with the lower part of the push rod frame 13, the front bracket 15 is rotatably connected between the lower part of the front bracket 11 and the lower part of the lower bracket 14, and the rear bracket 16 is rotatably connected between the lower part of the rear bracket 12 and the lower part of the lower bracket 14.

The frame 1 further includes a seat frame 17 and a seat link 18, the seat frame 17 extends in the front-rear direction, a front portion of the seat frame 17 is rotatably connected to the front bracket 11, the seat link 18 extends in the up-down direction, one end portion of the seat link 18 is rotatably connected to a rear portion of the seat frame 17, and the other end portion of the seat link 18 is rotatably connected to the front bracket 15 or the lower bracket 14 or the rear bracket 16.

Referring to fig. 1 to 3, in the present embodiment, the upper portion of the front supporter 11, the upper portion of the rear supporter 12 and the lower portion of the push rod supporter 13 are rotatably connected together around a first rotation center line, and herein, are rotatably connected together by using a first shaft 1 a; the upper part of the lower bracket 14 is connected to the lower part of the tappet rod carrier 13 in a rotatable manner about a second centre line of rotation, in this case in particular by means of a second shaft 1 b. The first rotation center line and the second rotation center line are parallel to each other, the second rotation center line is positioned below the first rotation center line, namely, the second shaft 1b is positioned below the first shaft 1a, and the lower bracket 14 is supported below the push rod frame 13.

The front supporting frame 15 gradually extends upwards in an inclined mode from front to back, the front portion of the front supporting frame 15 is rotatably connected to the lower portion of the front support 11, the rear portion of the front supporting frame 15 is rotatably connected with the lower portion of the lower supporting frame 14, and a four-bar linkage mechanism is formed among the front support 11, the front supporting frame 15, the lower supporting frame 14 and the push rod frame 13; the rear support frame 16 extends upwards and slantways gradually from back to front, the back part of the rear support frame 16 is rotatably connected with the lower part of the rear bracket 12, the front part of the rear support frame 16 is rotatably connected with the lower part of the lower support frame 14, and another four-bar linkage mechanism is formed among the rear bracket 12, the rear support frame 16, the lower support frame 14 and the push rod frame 13. In the present embodiment, the rear portion of the front frame 15, the front portion of the rear frame 16 and the lower portion of the lower frame 14 are rotatably connected together about the same rotation center line, here specifically by the third shaft 1 c.

The front part of the seat frame 17 is rotatably connected with the upper position of the front bracket 11, the connection position of the seat frame 17 on the front bracket 11 is lower than the position of the first shaft 1a along the length extension direction of the front bracket 11, and the seat frame 17 extends downwards from the front to the rear in the unfolding state of the frame 1 and is in a state of high front and low rear; the seat link 18 is disposed below the seat frame 17, an upper portion of the seat link 18 is rotatably connected to a rear portion of the seat frame 17, and a lower portion of the seat link 18 is preferably rotatably connected to the front bracket 15, so that a four-bar linkage is formed between the front bracket 11, the seat frame 17, the seat link 18, and the front bracket 15. Here, the lower portion of the seat link 18 is rotatably connected to the rear portion of the front frame 15, the front portion of the rear frame 16, and the lower portion of the lower frame 14 together about a third rotation center line, that is, rotatably connected together by a third shaft 1c, and the third shaft 1c is located below the second shaft 1b in the longitudinal extension direction of the lower frame 14.

When the vehicle body frame 1 is in the unfolded state, as shown in fig. 1, the front frame 11 and the rear frame 12 are unfolded in the front-rear direction, the upper push rod frame 132 and the lower push rod frame 131 are unfolded relatively and extend obliquely upward from front to rear, the front support frame 15, the rear support frame 16 and the lower support frame 14 are supported on the lower portions of the rear frame 12 and the push rod frame 13 of the front frame 11, and the seat frame 17 is unfolded relatively to the front frame 11 and extends downward from front to rear in a front-high-rear low manner, so that the child can be stably supported.

When the stroller needs to be folded, referring to fig. 2, after the locking mechanism is unlocked, a downward force is applied to the upper portion of the upper push rod frame 132, so that the upper push rod frame 132 rotates and is folded relative to the lower push rod frame 131, the lower push rod frame 131 turns backward relative to the front support 11 and the rear support 12 and gradually folds to the rear side of the rear support 12, the front support 11, the front support 15, the rear support 16, the rear support and the push rod frame 13 gradually fold along the front-rear direction, the seat frame 17 rotates relative to the front support 11 and gradually folds with the front support 11, and the front wheel assembly 2 and the rear wheel assembly 3 gradually approach along the front-rear direction.

Finally, as shown in fig. 3, the folded stroller has a front frame 11, a front support 15, a rear support 16, a rear frame 12 and a push rod frame 13 of the stroller frame 1 folded together, a seat frame 17 extending from front to rear and gradually inclining upwards to be in a state of low front and high rear, all the rods of the stroller frame 1 are in a tightly folded state, and the height of the stroller frame 1 is substantially the same as the height of the rear frame 12; the upper part of the upper push rod frame 132 is always positioned above, so that the operator is prevented from bending over; the front wheel assembly 2 and the rear wheel assembly 3 are close to each other and are manufactured at the bottom of the frame 1, so that the folded stroller can stand on the ground.

To sum up, the utility model discloses a children's shallow, its member is small in quantity, simple structure, and each member on folding back frame 1 can draw in together closely, presents very compact structure, and it is convenient to fold up easy operation, and convenience of customers uses.

The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable people skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.

Claims

1. The utility model provides a children's shallow, is in including the frame that has expansion state and fold condition, setting the front wheel subassembly and the rear wheel subassembly of frame bottom, and be used for with the locking mechanical system of frame locking under the expansion state, its characterized in that: the frame comprises a front support, a rear support, a push rod frame, a lower support, a front support and a rear support, wherein the front wheel assembly is arranged at the bottom of the front support, the rear wheel assembly is arranged at the bottom of the rear support, the upper part of the front support, the upper part of the rear support and the lower part of the push rod frame are mutually and rotatably connected together, the lower support extends along the vertical direction, the upper part of the lower support is rotatably connected with the lower part of the push rod frame, the front support is rotatably connected between the lower part of the front support and the lower part of the lower support, the rear support is rotatably connected between the lower part of the rear support and the lower part of the lower support,

the frame further comprises a seat frame and a seat connecting rod, the front part of the seat frame is rotatably connected to the front support, one end part of the seat connecting rod is rotatably connected to the rear part of the seat frame, and the other end part of the seat connecting rod is rotatably connected to the front support frame or the lower support frame or the rear support frame.

2. The stroller of claim 1, wherein: the rear part of the front bracket, the lower part of the lower bracket and the other end part of the seat connecting rod are connected together in a rotating way around the same rotating center line.

3. The stroller of claim 1, wherein: the rear portion of the front stay, the lower portion of the lower stay, the other end portion of the seat link, and the front portion of the rear stay are rotatably connected together about the same rotation center line.

4. The stroller of claim 1, wherein: the upper portion of the front support, the upper portion of the rear support and the lower portion of the push rod frame are connected together in a rotating mode around a first rotating center line, the upper portion of the lower support frame is connected with the lower portion of the push rod frame in a rotating mode around a second rotating center line, and the first rotating center line is parallel to the second rotating center line.

5. The stroller of claim 4, wherein: the second rotating center line is positioned below the first rotating center line, and the lower support frame is supported below the push rod frame.

6. The stroller of claim 5, wherein: the rear part of the front supporting frame, the lower part of the lower supporting frame and the other end part of the seat connecting rod are connected together in a rotating mode around a third rotating center line, and the third rotating center line is located below the second rotating center line.

7. The stroller of claim 1, wherein: when the frame is in an unfolded state, the seat connecting rod extends along the vertical direction, the seat connecting rod is arranged below the seat frame, the upper part of the seat connecting rod is rotationally connected with the seat frame, and the lower part of the seat connecting rod is rotationally connected to the lower support frame or the front support frame.

8. The stroller of claim 1, wherein: the seat connecting rod is rotationally connected to the front support frame, and a four-bar linkage mechanism is formed among the front support frame, the seat connecting rod and the front support frame.

9. The stroller of claim 1, wherein: when the frame is in an unfolded state, the seat frame extends downwards from front to back in a downward inclined mode; when the frame is in the unfolding state, the seat frame gradually extends upwards and slantways from front to back.

10. Child stroller according to any of claims 1 to 9, characterized in that: when the frame is in a folded state, the front support, the rear support, the push rod frame, the lower support frame, the front support frame and the rear support frame are mutually folded, the front wheel assembly and the rear wheel assembly are mutually drawn together and supported at the bottom of the frame, and the height of the frame is basically consistent with that of the rear support frame.