CN216070158U

CN216070158U - Folding baby carriage structure

Info

Publication number: CN216070158U
Application number: CN202122585674.0U
Authority: CN
Inventors: 李伟琼
Original assignee: Kunshan Weikai Children Products Co Ltd
Current assignee: Kunshan Weikai Children Products Co Ltd
Priority date: 2021-10-26
Filing date: 2021-10-26
Publication date: 2022-03-18
Anticipated expiration: 2031-10-26

Abstract

The utility model discloses a folding baby carriage structure, wherein a carriage frame comprises a push rod assembly, a front support assembly and a rear support assembly, the lower end of the push rod assembly is rotatably connected with the upper end of the front support assembly and the upper end of the rear support assembly, and the rotary connection part of the push rod assembly, the upper end of the front support assembly and the upper end of the rear support assembly is provided with a first transverse rod which is transversely arranged; the frame also comprises a cushion rod component and a bottom folding support rod which is arranged between the front support component and the rear support component and is used for driving the front support component and the rear support component to fold; the rear end of the bottom folding support rod is provided with a rear support rod component extending upwards and backwards; the upper end of the rear support rod component is rotationally connected with the push rod component; the rear end of the cushion rod component is rotationally connected with the rear supporting rod component, and a connecting piece which can rotate relative to the cushion rod component and the first cross rod is arranged between the cushion rod component and the first cross rod; the folding bicycle frame has the advantages of simple structure, lower cost, convenient operation, time saving and labor saving, and can drive the cushion rod assembly to automatically fold when the bicycle frame is folded.

Description

Folding baby carriage structure

Technical Field

The utility model relates to the field of children's vehicles, in particular to a folding type children's vehicle structure.

Background

A stroller in the prior art includes a frame having an unfolded position and a folded position, a front wheel assembly disposed at a front portion of a bottom of the frame, a rear wheel assembly disposed at a rear portion of the bottom of the frame, a locking mechanism for locking the frame at the unfolded position, and a cushion rod assembly disposed on the frame for a person to sit on. The frames of the existing baby stroller are various, the number of the rods of the frames is different, and the connection relation and the connection position between the rods are different, so that the folding principle and the folding mode are different. However, in the folding process of the whole baby carriage, the cushion rod assembly is often required to be folded manually, so that the folding baby carriage is complex to operate and is troublesome and laborious.

Disclosure of Invention

The utility model aims to: the folding baby carriage structure has the advantages of simple structure, low cost, convenient operation, time saving and labor saving, and can drive the cushion rod assembly to automatically fold when the frame is folded.

The technical scheme of the utility model is as follows: a folding baby carriage structure comprises a frame and a locking mechanism for locking the frame at an unfolding position, wherein the frame comprises a push rod assembly, a front support assembly and a rear support assembly, the lower end of the push rod assembly is rotatably connected with the upper end of the front support assembly and the upper end of the rear support assembly, and a first transverse rod which is transversely arranged is arranged at the rotary connection part of the push rod assembly and the front support assembly; the frame also comprises a cushion rod component and a bottom folding support rod which is arranged between the front support component and the rear support component and is used for driving the front support component and the rear support component to fold; the rear end of the bottom folding support rod is provided with a rear support rod component extending upwards and backwards; the upper end of the rear support rod component is rotationally connected with the push rod component; the rear end of the cushion rod component is rotationally connected with the rear supporting rod component, and a connecting piece which can rotate relative to the cushion rod component and the first cross rod is arranged between the cushion rod component and the first cross rod.

When the bicycle frame is folded, the push rod assembly is folded relative to the rear support assembly, and the rear support assembly drives the connecting piece to rotate backwards and drives the cushion rod assembly to turn forwards and fold; meanwhile, the bottom of the rear support rod component drives the bottom folding support rod to fold and furl, so that the front support component is furled relative to the rear support component.

Furthermore, the bottom folding support rod comprises a front support rod and a rear support rod, the front end of the front support rod is rotatably connected with the front support assembly, the rear end of the front support rod is rotatably connected with the front end of the rear support rod, the rear support rod assembly is formed at the rear side of the rear support rod, and the bent parts of the front support rod and the rear support rod are rotatably connected with the rear support assembly.

Further, the seat cushion bar assembly has a transversely disposed second cross bar; the upper end of the connecting piece is sleeved on the second cross rod through an upper sleeve, and the lower end of the connecting piece is sleeved on the first cross rod through a lower sleeve.

Furthermore, the push rod assembly is of a two-section type push rod structure and comprises a lower push rod and an upper push rod, wherein the lower end of the lower push rod is rotatably connected with the front support assembly and the rear support assembly, and the upper push rod is rotatably connected with the upper end of the lower push rod.

Furthermore, the upper push rod is provided with an extension part extending downwards at the rotary connection part of the upper push rod and the lower push rod, and the upper end of the rear support rod component is rotatably connected with the extension part of the upper push rod.

Further, the locking mechanism is arranged between the upper push rod and the lower push rod and locks the upper push rod and the lower push rod when the push rod assembly is in the unfolding position.

Furthermore, the lower push rod is rotatably connected with a front handrail component, the cushion rod component is provided with a sliding seat which is in sliding fit with the front and the rear, and the rear end of the front handrail component is rotatably connected with the sliding seat; when the push rod assembly is folded relative to the rear support assembly, the sliding seat drives the front handrail assembly to be turned downwards and folded relative to the lower push rod.

Further, the first cross bar is arranged on any one of the push rod assembly, the front support assembly and the rear support assembly.

The utility model has the advantages that: when the foldable chair is folded, the push rod assembly is folded relative to the rear support assembly, the rear support rod assembly drives the connecting piece to rotate backwards and drives the cushion rod assembly to turn forwards and fold, and the sliding seat drives the front handrail assembly to turn downwards and fold relative to the lower push rod; meanwhile, the bottom of the rear support rod component drives the bottom folding support rod to fold, so that the front support component is folded relative to the rear support component, and the whole vehicle folding is completed; the folding bicycle frame is simple in integral structure and low in cost, can drive the cushion rod assembly and the front handrail assembly to be automatically folded when the bicycle frame is folded, and is convenient to operate, time-saving and labor-saving.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic perspective view of the present invention in use;

FIG. 2 is a schematic side view of the structure of FIG. 1;

FIG. 3 is a schematic diagram of the present invention during folding;

FIG. 4 is a schematic side view of the structure of FIG. 3;

FIG. 5 is a perspective view of the present invention in a folded state;

fig. 6 is a side view of fig. 5.

Wherein: 1 a push rod assembly; 1-1, pushing down a push rod; 1-2, pushing up a push rod; 2, a front support component; 3, a rear support component; 4 cushion rod assembly; 4-1 second cross bar; 5 a first cross bar; 6 bottom folding brace rods; 6-1 front stay bar; 6-2 rear stay bar; 7 a rear stay bar assembly; 8, connecting pieces; 8-1, mounting a sleeve; 8-2, lower sleeve; 9 a front armrest assembly; 10 a sliding seat; 11 a front wheel assembly; 12 rear wheel assembly.

Detailed Description

The above-described scheme is further illustrated below with reference to specific examples. It should be understood that these examples are for illustrative purposes and are not intended to limit the scope of the present invention. The conditions used in the examples may be further adjusted according to specific conditions, and the conditions used in the experiments are not specifically mentioned.

As shown in fig. 1 to 6, a folding stroller structure comprises a frame and a locking mechanism for locking the frame at an unfolded position, wherein the frame comprises a push rod assembly 1, a front support assembly 2 with a front wheel assembly 11 mounted below, a rear support assembly 3 with a rear wheel assembly 12 mounted below, and a cushion rod assembly 4, the lower end of the push rod assembly 1 is rotatably connected with the upper end of the front support assembly 2 and the upper end of the rear support assembly 3, and the rotary connection part of the three is provided with a first cross rod 5 which is transversely arranged; in this embodiment, the first cross bar 5 is disposed on any one of the push rod assembly 1, the front support assembly 2 and the rear support assembly 3.

In this embodiment, the frame further includes a bottom folding brace 6 disposed between the front bracket assembly 2 and the rear bracket assembly 3 and used for driving the two to fold; the bottom folding support rod 6 comprises a front support rod 6-1 and a rear support rod 6-2, the front end of the front support rod 6-1 is rotatably connected with the front support assembly 2, the rear end of the front support rod 6-1 is rotatably connected with the front end of the rear support rod 6-2, the rear end of the rear support rod 6-2 is provided with a rear support rod assembly 7 extending upwards and backwards, and the bent part of the rear support rod assembly 7 and the rear support rod 6-2 is rotatably connected with the rear support assembly 3; the upper end of the rear support rod component 7 is rotationally connected with the push rod component 1. The bending included angle between the rear support rod component 7 and the rear support rod 6-2 is an obtuse angle. The rear stay bar 6-2 and the rear stay bar assembly 7 can be integrally formed or fixedly connected, and the embodiment is preferably an integrally formed structure.

In this embodiment, the rear end of the cushion rod assembly 4 is rotatably connected to the rear stay rod assembly 7, and the cushion rod assembly 4 has a second cross rod 4-1 arranged transversely; a connecting piece 8 which can rotate relative to the second cross bar 4-1 and the first cross bar 5 is arranged between the two cross bars. The upper end of the connecting piece 8 is sleeved on the second cross rod 4-1 through an upper sleeve 8-1, and the lower end of the connecting piece 8 is sleeved on the first cross rod 5 through a lower sleeve 8-2.

In this embodiment, the push rod assembly 1 is a two-section push rod structure, and includes a lower push rod 1-1 having a lower end rotatably connected to the front support assembly 2 and the rear support assembly 3, and an upper push rod 1-2 rotatably connected to an upper end of the lower push rod 1-1. The upper push rod 1-2 is provided with an extension part extending downwards at the rotary connection part of the upper push rod 1-2 and the upper end of the rear stay bar component 7 is rotatably connected with the extension part of the upper push rod 1-2.

In this embodiment, the locking mechanism is disposed between the upper push rod 1-2 and the lower push rod 1-1, and locks the upper push rod 1-2 and the lower push rod 1 when the push rod assembly 1 is in the extended position.

In this embodiment, the lower push rod 1-1 is rotatably connected with a front armrest assembly 9, the cushion rod assembly 4 is provided with a sliding seat 10 which is in sliding fit with the front and the rear, and the rear end of the front armrest assembly 9 is rotatably connected with the sliding seat 10; when the frame is unfolded, the rotation connection point between the front handrail assembly 9 and the sliding seat 10 is positioned at the rear lower part of the rotation connection point between the front handrail assembly 9 and the lower push rod 1-1.

The working principle of the utility model is as follows:

when the frame needs to be folded, firstly, the locking of the locking mechanism is released, an upper push rod 1-2 is pushed forwards and a push rod assembly 1 is pressed downwards, the upper push rod 1-2 is turned forwards and folded with the lower push rod 1-1, the push rod assembly 1 is turned downwards and folded relative to a rear support assembly 3, the rear support assembly 3 drives a connecting piece 8 to rotate backwards and drives a cushion rod assembly 4 to turn forwards and fold, and the sliding seat 10 drives a front handrail assembly 9 to turn downwards and fold relative to the lower push rod 1-1; meanwhile, the bottom of the rear support rod assembly 7 drives the bottom folding support rod 6 to fold and furl, so that the front support assembly 2 is furled relative to the rear support assembly 3, and the whole vehicle folding is completed.

The folding bicycle frame is simple in integral structure and low in cost, can drive the cushion rod assembly 4 and the front handrail assembly 9 to be automatically folded when the bicycle frame is folded, and is convenient to operate, time-saving and labor-saving.

The above is only a specific application example of the present invention, and the protection scope of the present invention is not limited in any way. In addition to the above embodiments, the present invention may have other embodiments. All technical solutions formed by using equivalent substitutions or equivalent transformations fall within the scope of the present invention.

Claims

1. The utility model provides a foldable bassinet structure, includes the frame and locks the frame in the locking mechanical system under the expansion position, the frame includes push rod subassembly (1), front support subassembly (2), rear bracket subassembly (3) and cushion rod subassembly (4), its characterized in that: the lower end of the push rod assembly (1) is rotatably connected with the upper end of the front support assembly (2) and the upper end of the rear support assembly (3), and a first transverse rod (5) which is transversely arranged is arranged at the rotary connection position of the three; the frame also comprises a bottom folding support rod (6) which is arranged between the front support component (2) and the rear support component (3) and is used for driving the front support component and the rear support component to be folded; the rear end of the bottom folding stay bar (6) is provided with a rear stay bar component (7) extending upwards and backwards; the upper end of the rear stay bar component (7) is rotatably connected with the push rod component (1); the rear end of cushion rod subassembly (4) with back vaulting pole subassembly (7) rotate to be connected, cushion rod subassembly (4) with be equipped with connecting piece (8) that can rotate relatively between first horizontal pole (5).

2. A foldable stroller construction, according to claim 1, further comprising: the bottom folding support rod (6) comprises a front support rod (6-1) and a rear support rod (6-2), the front end of the front support rod (6-1) is rotationally connected with the front support component (2), the rear end of the front support rod (6-1) is rotationally connected with the front end of the rear support rod (6-2), the rear support rod component (7) is formed at the rear side of the rear support rod (6-2), and the bending part of the rear support rod and the rear support rod are rotationally connected with the rear support component (3).

3. A foldable stroller construction, according to claim 1, further comprising: the cushion rod component (4) is provided with a second transverse rod (4-1) which is transversely arranged; the upper end of the connecting piece (8) is sleeved on the second cross rod (4-1) through an upper sleeve (8-1), and the lower end of the connecting piece (8) is sleeved on the first cross rod (5) through a lower sleeve (8-2).

4. A foldable stroller construction, according to claim 1, further comprising: the push rod assembly (1) is of a two-section push rod structure and comprises a lower push rod (1-1) and an upper push rod (1-2), wherein the lower end of the lower push rod (1-1) is rotatably connected with the front support assembly (2) and the rear support assembly (3), and the upper push rod (1-2) is rotatably connected with the upper end of the lower push rod (1-1).

5. A foldable stroller construction, according to claim 4, wherein: the upper push rod (1-2) is provided with an extension part extending downwards at the rotary connection part of the upper push rod and the lower push rod (1-1), and the upper end of the rear stay bar assembly (7) is rotatably connected with the extension part of the upper push rod (1-2).

6. A foldable stroller construction, according to claim 4, wherein: the locking mechanism is arranged between the upper push rod (1-2) and the lower push rod (1-1), and the upper push rod and the lower push rod are locked when the push rod assembly (1) is in the unfolding position.

7. A foldable stroller construction, according to claim 4, wherein: the lower push rod (1-1) is rotatably connected with a front handrail component (9), the cushion rod component (4) is provided with a sliding seat (10) which is in sliding fit with the front and the rear, and the rear end of the front handrail component (9) is rotatably connected with the sliding seat (10); when the push rod assembly (1) is folded relative to the rear support assembly (3), the sliding seat (10) drives the front handrail assembly (9) to turn downwards and fold relative to the lower push rod (1-1).

8. A foldable stroller construction, according to claim 1, further comprising: the first cross rod (5) is arranged on any one of the push rod assembly (1), the front support assembly (2) and the rear support assembly (3).