CN210478797U - Foldable baby stroller - Google Patents

Foldable baby stroller Download PDF

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Publication number
CN210478797U
CN210478797U CN201921447629.5U CN201921447629U CN210478797U CN 210478797 U CN210478797 U CN 210478797U CN 201921447629 U CN201921447629 U CN 201921447629U CN 210478797 U CN210478797 U CN 210478797U
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China
Prior art keywords
assembly
component
support rod
front support
rod assembly
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CN201921447629.5U
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Chinese (zh)
Inventor
李伟琼
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Kunshan Weikai Children Products Co Ltd
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Kunshan Weikai Children Products Co Ltd
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Priority to CN201921447629.5U priority Critical patent/CN210478797U/en
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Abstract

The utility model discloses a foldable baby stroller, the frame of which comprises a push rod component, a front support component, a rear support component, a front wheel component arranged below the front support component, a rear wheel component arranged below the rear support component, a front support rod component, a rear support rod component and a bottom support rod component; the upper part of the front support assembly is rotatably connected with the upper part of the rear support assembly and can be relatively folded, the upper end of the front support rod assembly is rotatably connected with the lower end of the push rod assembly, and the lower end of the front support rod assembly is rotatably connected with the middle part of the front support assembly; the upper end of the rear support rod component is rotationally connected with the middle part of the push rod component, and the lower end of the rear support rod component is rotationally connected with the upper part of the front support component and/or the upper part of the rear support component; the front part of the bottom support rod component is rotationally connected with the front support rod component, and the rear part of the bottom support rod component is rotationally connected with the rear support component; the utility model has simple design, fewer rods, stable structure and convenient folding operation; the volume is smaller after folding, the whole weight is lighter, and the carrying is convenient.

Description

Foldable baby stroller
Technical Field
The utility model relates to a folding baby's shallow.
Background
A stroller in the prior art includes a frame having an unfolded position and a folded position, a front wheel assembly disposed at the front of the bottom of the frame, a rear wheel assembly disposed at the rear of the bottom of the frame, a locking mechanism for locking the frame at the unfolded position, and a seat pocket mechanism 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.
Disclosure of Invention
The utility model discloses the purpose is: the foldable baby stroller is simple in design, few in rod pieces, stable in structure and convenient to fold and operate; the volume is smaller after folding, the whole weight is lighter, and the carrying is convenient.
The technical scheme of the utility model is that: a foldable baby stroller comprises a frame with an unfolded position and a folded position, and a first locking mechanism for locking the frame when the frame is in the unfolded position, wherein the frame comprises a push rod assembly, a front support assembly, a rear support assembly, a front wheel assembly arranged below the front support assembly, and a rear wheel assembly arranged below the rear support assembly, and further comprises a front support rod assembly, a rear support rod assembly and a bottom support rod assembly; the upper part of the front support assembly is rotatably connected with the upper part of the rear support assembly and can be relatively folded, the upper end of the front support rod assembly is rotatably connected with the lower end of the push rod assembly, and the lower end of the front support rod assembly is rotatably connected with the middle part of the front support assembly; the upper end of the rear support rod assembly is rotatably connected with the middle part of the push rod assembly, and the lower end of the rear support rod assembly is rotatably connected with the upper part of the front support assembly and/or the upper part of the rear support assembly; the front part of the bottom support rod component is rotationally connected with the front support rod component, and the rear part of the bottom support rod component is rotationally connected with the rear support component.
Further, the first locking mechanism is arranged at the rotary connection position between the push rod assembly and the front support rod assembly.
Furthermore, the lower end of the rear support rod assembly is coaxially and rotatably connected with the upper part of the front support assembly and the upper part of the rear support assembly.
Furthermore, a protruding portion extending towards the rear side is arranged on the front support rod assembly, the front end of the bottom support rod assembly is rotatably connected with the protruding portion of the front support rod assembly, and the rotating point of the bottom support rod assembly and the protruding portion is located above the rotating point of the front support rod assembly and the front support assembly.
Furthermore, the upper part of the push rod component is provided with a push handle component which can stretch and retract relative to the push rod component, and a second locking mechanism which can realize multi-gear adjustment is arranged between the push handle component and the push rod component.
The utility model has the advantages that: the push rod assembly, the front support rod assembly, the rear support rod assembly and the front support assembly can form a stable triangular structure when the frame is in an unfolded position, and the triangular structure can be converted into a quadrilateral linkage structure when the frame is folded; when the frame is folded, the bottom support rod assembly can drive the support assembly and the rear support assembly to be folded under the driving of the front support rod assembly; the utility model has simple design, fewer rods, stable structure and convenient folding operation; the volume is smaller after folding, the whole weight is lighter, and the carrying is convenient.
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 for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of the present invention in the deployed position;
fig. 2 is a schematic structural view of the utility model during the folding process;
fig. 3 is a schematic structural view of the present invention in the folded position.
Wherein: 1 a push rod assembly; 2, a front support component; 3, a rear support component; 4, a front wheel assembly; 5, a rear wheel assembly; 6 a front stay bar assembly; 6-1 convex part; 7 a rear stay bar assembly; 8 a bottom brace rod assembly; 9 push handle 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 employed in the examples may be further adjusted according to specific conditions, and the conditions not specified are generally conditions in routine experiments.
As shown in fig. 1 to 3, a foldable stroller includes a frame having an unfolded position and a folded position, and a first locking mechanism for locking the frame when the frame is in the unfolded position, the frame includes a push rod assembly 1, a front support assembly 2, a rear support assembly 3, a front wheel assembly 4 disposed below the front support assembly 2, and a rear wheel assembly 5 disposed below the rear support assembly 3, and further includes a front support rod assembly 6, a rear support rod assembly 7, and a bottom support rod assembly 8; the upper part of the front support assembly 2 is rotatably connected with the upper part of the rear support assembly 3 and can be relatively folded, the upper end of the front support rod assembly 6 is rotatably connected with the lower end of the push rod assembly 1, and the lower end of the front support rod assembly 6 is rotatably connected with the middle part of the front support assembly 2; the upper end of the rear support rod assembly 7 is rotatably connected with the middle part of the push rod assembly 1, and the lower end of the rear support rod assembly 7 is rotatably connected with the upper part of the front support assembly 2 and/or the upper part of the rear support assembly 3; the front part of the bottom support rod assembly 8 is rotationally connected with the front support rod assembly 6, and the rear part of the bottom support rod assembly 8 is rotationally connected with the rear support assembly 3.
In this embodiment, the first locking mechanism is disposed at the rotational connection between the push rod assembly 1 and the front stay assembly. The upper part of the push rod component 1 is provided with a push handle component 9 which can stretch and retract relative to the push rod component 1, and a second locking mechanism which can realize multi-gear adjustment is arranged between the push handle component 9 and the push rod component 1. In this embodiment, the first locking mechanism and the second locking mechanism can be interlocked to unlock, and can also respectively unlock, and the first locking mechanism and the second locking mechanism are conventional mechanisms, so that the structures of the first locking mechanism and the second locking mechanism are various, and the structure is not described and limited.
In this embodiment, the lower end of the rear support rod assembly 7 is coaxially and rotatably connected with the upper parts of the front support assembly 2 and the rear support assembly 3. The design also improves and simplifies the whole structure and the assembling steps while not influencing the linkage performance of the rear support rod component 7, reduces the application of the rotating pin and reduces the whole cost.
In this embodiment, the front stay bar assembly 6 has a protruding portion 6-1 extending to the rear side, the front end of the bottom stay bar assembly 8 is rotatably connected to the protruding portion 6-1 of the front stay bar assembly 6, and the rotation point of the bottom stay bar assembly 8 and the protruding portion 6-1 is located above the rotation point of the front stay bar assembly 6 and the front support assembly 2.
The utility model discloses a theory of operation does:
when the frame is in the unfolding position, the push rod assembly and the front support rod assembly are locked and positioned by the first locking mechanism, at the moment, the push rod assembly, the front support rod assembly, the rear support rod assembly and the front support assembly form a stable triangular structure, and meanwhile, the front support assembly, the rear support assembly and the bottom support rod assembly also form a stable triangular structure.
When the frame is folded, the first locking mechanism is unlocked, the push rod assembly is pushed forwards, the push rod assembly drives the upper portion of the front support rod assembly and the upper portion of the rear support rod assembly to move forwards respectively, a quadrilateral linkage structure is formed among the push rod assembly, the front support rod assembly, the rear support rod assembly and the front support assembly, and the front support assembly and the rear support assembly are folded together under the driving action of the bottom support rod assembly.
When the frame is in the folding position, the push rod assembly, the front support rod assembly and the rear support rod assembly are folded at the front side of the front support assembly, and the rear support assembly is folded at the rear side of the front support assembly.
In the utility model, the push rod component, the front support rod component, the rear support rod component and the front support component can form a stable triangular structure when the frame is at the unfolding position, and the triangular structure can be converted into a quadrilateral linkage structure when the frame is folded; when the frame is folded, the bottom support rod assembly can drive the support assembly and the rear support assembly to be folded under the driving of the front support rod assembly; the utility model has simple design, fewer rods, stable structure and convenient folding operation; the volume is smaller after folding, the whole weight is lighter, and the carrying is convenient.
The above is only a specific application example of the present invention, and does not constitute any limitation to the protection scope of the present invention. In addition to the above embodiments, other embodiments of the present invention are also possible. All the technical solutions formed by adopting equivalent substitutions or equivalent transformations fall within the scope of the present invention as claimed.

Claims (5)

1. A foldable stroller comprising a frame having an unfolded position and a folded position, and a first locking mechanism for locking the frame when the frame is in the unfolded position, the frame comprising a push rod assembly (1), a front frame assembly (2), a rear frame assembly (3), a front wheel assembly (4) disposed below the front frame assembly (2), and a rear wheel assembly (5) disposed below the rear frame assembly (3), characterized in that: the frame also comprises a front stay bar component (6), a rear stay bar component (7) and a bottom stay bar component (8); the upper part of the front support assembly (2) is rotatably connected with the upper part of the rear support assembly (3) and can be relatively folded, the upper end of the front support rod assembly (6) is rotatably connected with the lower end of the push rod assembly (1), and the lower end of the front support rod assembly (6) is rotatably connected with the middle part of the front support assembly (2); the upper end of the rear support rod assembly (7) is rotatably connected with the middle part of the push rod assembly (1), and the lower end of the rear support rod assembly (7) is rotatably connected with the upper part of the front support assembly (2) and/or the upper part of the rear support assembly (3); the front part of the bottom support rod component (8) is rotationally connected with the front support rod component (6), and the rear part of the bottom support rod component (8) is rotationally connected with the rear support component (3).
2. A collapsible stroller in accordance with claim 1 in which: the first locking mechanism is arranged at the rotary connection position between the push rod assembly (1) and the front support rod assembly.
3. A collapsible stroller in accordance with claim 1 in which: the lower end of the rear support rod component (7) is coaxially and rotatably connected with the upper parts of the front support component (2) and the rear support component (3).
4. A collapsible stroller in accordance with claim 1 in which: the front support rod assembly (6) is provided with a protruding portion (6-1) extending towards the rear side, the front end of the bottom support rod assembly (8) is rotatably connected with the protruding portion (6-1) of the front support rod assembly (6), and the rotation point of the bottom support rod assembly (8) and the protruding portion (6-1) is located above the rotation point of the front support rod assembly (6) and the front support assembly (2).
5. A collapsible stroller in accordance with claim 1 in which: the upper part of the push rod component (1) is provided with a push handle component (9) which can stretch and retract relative to the push rod component, and a second locking mechanism which can realize multi-gear adjustment is arranged between the push handle component (9) and the push rod component (1).
CN201921447629.5U 2019-09-02 2019-09-02 Foldable baby stroller Active CN210478797U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921447629.5U CN210478797U (en) 2019-09-02 2019-09-02 Foldable baby stroller

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921447629.5U CN210478797U (en) 2019-09-02 2019-09-02 Foldable baby stroller

Publications (1)

Publication Number Publication Date
CN210478797U true CN210478797U (en) 2020-05-08

Family

ID=70538642

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201921447629.5U Active CN210478797U (en) 2019-09-02 2019-09-02 Foldable baby stroller

Country Status (1)

Country Link
CN (1) CN210478797U (en)

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