Armrest linkage mechanism and child stroller frame

Abstract

An armrest linkage mechanism and a child stroller frame. The lower ends of armrest linkage rods (2) are rotatably connected to a frame linkage assembly (140), and the middle portions of the armrest linkage rods (2) are slidably and rotatably connected to the upper portions of front foot rods (110), the upper portions of rear foot rods (120) or the lower portion of a handlebar (130), such that an armrest assembly (1) can be correspondingly folded or unfolded along with folding or unfolding action of the child stroller frame by means of the armrest linkage rods (2), without the need for a user to further operate the armrest assembly for folding or unfolding, thus achieving the characteristics of convenient folding and unfolding, convenient operation and simple structure.

Description

Handrail linkage mechanism and child stroller frame

[0001] This application is based on and claims priority to the application with Chinese application number CN2024211054324 and filing date of May 20, 2024, the disclosure of which is incorporated herein in its entirety.

TECHNICAL FIELD

[0002] The present application relates to the technical field of child strollers, in particular to a handrail linkage mechanism and a child stroller frame.

BACKGROUND

[0003] At present, during the folding and unfolding process of a child stroller, the user usually needs to manually operate the handrail assembly for folding or unfolding work, that is, the handrail assembly cannot follow the folding and unfolding action of the whole stroller and accordingly perform folding and unfolding, which has the problems of multiple folding and unfolding steps and inconvenient operation.

[0004] In addition, some child strollers usually need to remove the handrail assembly from the whole stroller before performing the folding work of the whole stroller, which has the problem of inconvenient folding.

[0005] Furthermore, some child strollers add a handrail linkage mechanism to enable the handrail assembly to follow the folding and unfolding of the whole stroller and accordingly perform folding and unfolding, but the handrail linkage mechanism has the problem of complex structure.

[0006] Therefore, the present application is proposed to solve the above problems.

[0007]

UTILITARIAN INVENTION CONTENT

[0008] The present application aims to overcome the shortcomings of the prior art and provide a handrail linkage mechanism and a child stroller frame. The lower end of the handrail linkage rod is rotatably connected with the frame linkage assembly, and the middle part of the handrail linkage rod is slidably and rotatably connected with the upper part of the front leg rod or the upper part of the rear leg rod or the lower part of the push rod. Therefore, the handrail assembly can follow the folding and unfolding action of the child stroller frame and accordingly perform folding and unfolding action, which has the characteristics of convenient folding and unfolding, convenient operation and simple structure.

[0009] To solve the above technical problems, the handrail linkage mechanism is applied to a child stroller frame which can be switched between an unfolded state and a folded state, and the child stroller frame comprises a front leg 110, a rear leg 120, a push rod 130 and a frame linkage assembly 140, the upper end of the front leg 110, the upper end of the rear leg 120 and the lower end of the push rod 130 are rotatably connected to each other, and the frame linkage assembly 140 is configured to link the corresponding folding actions of the front leg 110 and the rear leg 120 during the switching of the push rod 130 from the unfolded state to the folded state; the handrail linkage mechanism comprises a handrail assembly 1 and a handrail linkage rod 2 connected with the handrail assembly 1, the lower end of the handrail linkage rod 2 extends rearward and is rotatably connected with the frame linkage assembly 140, and the middle part of the handrail linkage rod 2 is slidably and rotatably connected with the upper part of the front leg 110 or the upper part of the rear leg 120 or the lower part of the push rod 130.

[0010] As described above, the handrail linkage mechanism, a handrail sleeve 3 is slidably sleeved on the handrail linkage rod 2, and the handrail sleeve 3 is rotatably connected with the upper part of the front leg 110 or the upper part of the rear leg 120 or the lower part of the push rod 130.

[0011] As described above, the handrail linkage mechanism, the upper end of the handrail linkage rod 2 has a handrail connecting seat, and the corresponding end of the handrail assembly 1 has a handrail connecting part which is detachably connected with the handrail connecting seat.

[0012] As described above, the handrail linkage mechanism, the handrail assembly 1 comprises a handrail connecting section 11 connected with the upper end of the handrail linkage rod 2, and the upper ends of the two handrail connecting sections 11 are movably connected through a handrail holding section 12.

[0013] As described above, the handrail linkage mechanism, the corresponding end of the handrail holding section 12 is rotatably connected with the upper end of the handrail connecting section 11.

[0014] As described above, the handrail linkage mechanism, the handrail assembly 1 is configured to be arranged upward for the user to pull when the child stroller frame is in a standing state.

[0015] The application also provides a child stroller frame comprising a frame body, and the frame body comprises the handrail linkage mechanism as described above.

[0016] As described above, the child stroller frame, the frame body is configured to be foldable in the longitudinal direction.

[0017] As described above, the child stroller frame, the frame body is configured to be foldable in the transverse direction.

[0018] Compared with the prior art, the application has the following advantages:

[0019] 1、The application is rotatably connected with the lower end of the handrail linkage rod and the vehicle frame linkage assembly, and the middle part of the handrail linkage rod is slidably and rotatably connected with the upper part of the front leg rod or the upper part of the rear leg rod or the lower part of the push rod. Therefore, the handrail assembly can follow the folding and unfolding actions of the child stroller frame through the handrail linkage rod, without the need for the user to additionally operate the handrail assembly to fold or unfold, and has the characteristics of convenient folding and unfolding, easy operation and simple structure.

[0020] 2、The handrail sleeve can guide the sliding path of the handrail linkage rod, ensuring smooth folding or unfolding action of the handrail linkage rod and improving the smoothness of folding and unfolding.

[0021] 3、After the whole vehicle is completed, the handrail assembly can be detached from the handrail linkage rod, so that the whole vehicle and the handrail assembly can be packaged or stored separately, without increasing the packaging volume of the whole vehicle.

[0022] 4、In order to facilitate the user to pull, the handrail assembly is arranged to be upwardly arranged when the child stroller frame is in the standing state for the user to pull.

DRAWINGS

[0023] The specific embodiments of the application will be further described in detail below with reference to the accompanying drawings, in which:

[0024] Fig. 1 is a perspective structural schematic view of embodiment 1 of the child stroller frame of the application.

[0025] Fig. 2 is a side structural schematic view of embodiment 1 of the child stroller frame of the application in an unfolded state.

[0026] Fig. 3 is a side structural schematic view of embodiment 1 of the child stroller frame of the application in a folding process.

[0027] Fig. 4 is a side structural schematic view of embodiment 1 of the child stroller frame of the application in a folding process.

[0028] Fig. 5 is a side structural schematic view of embodiment 1 of the child stroller frame of the application in a folded state.

[0029] Fig. 6 is a side structural schematic view of embodiment 1 of the child stroller frame of the application in a folded state and after the handrail assembly is detached.

[0030] Fig. 7 is a front structural schematic view of embodiment 1 of the child stroller frame of the application in a folded state.

[0031] Fig. 8 is an exploded structural schematic view of embodiment 1 of the child stroller frame of the application.

[0032] Fig. 9 is an exploded structural schematic view of the handrail linkage mechanism of the application.

[0033] Fig. 10 is a second exploded structural schematic diagram of the handrail linkage mechanism of the present application.

[0034] Fig. 11 is a three-dimensional structural schematic diagram of embodiment 2 of the child stroller frame of the present application.

[0035] Fig. 12 is a front structural schematic diagram of embodiment 2 of the child stroller frame of the present application in the process of folding.

[0036] Fig. 13 is a front structural schematic diagram of embodiment 2 of the child stroller frame of the present application in the folded state.

DETAILED DESCRIPTION

[0037] The embodiments of the present application will be described in detail below with reference to the accompanying drawings.

[0038] As shown in Figs. 1, 9, 10, and 11, the handrail linkage mechanism of the present application is applied to a child stroller frame that can be switched between an unfolded state and a folded state, and the child stroller frame includes a front leg 110, a rear leg 120, a push rod 130, and a frame linkage assembly 140. The upper end of the front leg 110, the upper end of the rear leg 120, and the lower end of the push rod 130 are rotatably connected to each other. The frame linkage assembly 140 is configured to link the corresponding folding actions of the front leg 110 and the rear leg 120 during the switching of the push rod 130 from the unfolded state to the folded state. The handrail linkage mechanism includes a handrail assembly 1 and a handrail linkage rod 2 connected to the handrail assembly 1. The lower end of the handrail linkage rod 2 extends rearward and is rotatably connected to the frame linkage assembly 140. The middle part of the handrail linkage rod 2 is slidably and rotatably connected to the upper part of the front leg 110 or the upper part of the rear leg 120 or the lower part of the push rod 130. By rotatably connecting the lower end of the handrail linkage rod to the frame linkage assembly and slidably and rotatably connecting the middle part of the handrail linkage rod to the upper part of the front leg or the upper part of the rear leg or the lower part of the push rod, the handrail assembly can follow the folding and unfolding actions of the child stroller frame and perform corresponding folding and unfolding actions through the handrail linkage rod, without the need for the user to additionally operate the handrail assembly to fold or unfold. The handrail linkage mechanism has the characteristics of convenient folding and unfolding, easy operation, and simple structure.

[0039] A handrail sleeve 3 is slidably sleeved on the handrail linkage rod 2, so that the handrail sleeve can guide the sliding path of the handrail linkage rod, ensuring smooth folding or unfolding actions of the handrail linkage rod and improving the smoothness of folding and unfolding. The handrail sleeve 3 is rotatably connected to the upper part of the front leg 110 or the upper part of the rear leg 120 or the lower part of the push rod 130.

[0040] As shown in FIG. 9, 10, the handrail assembly 1 is detachably connected with the handrail linkage 2. For example, the upper end of the handrail linkage 2 is provided with a handrail connecting seat, and the corresponding end of the handrail assembly 1 is provided with a handrail connecting part which is detachably connected with the handrail connecting seat. In this way, after the whole vehicle is folded, the handrail assembly can be detached from the handrail linkage, so that the whole vehicle and the handrail assembly can be separated for packaging operation or storage, etc., without increasing the packaging volume of the whole vehicle. Further, the detachable structure between the handrail assembly 1 and the handrail linkage 2 includes but is not limited to a plug-in cavity provided on the handrail connecting seat for plug-in of the handrail connecting part, and a handrail locking hole is provided on the side wall of the plug-in cavity, and the handrail connecting part is elastically provided with a handrail locking elastic bean which is used for plugging into the handrail locking hole when the handrail connecting part is plugged into the plug-in cavity, as shown in FIG. 9, 10.

[0041] As shown in FIG. 10, in order to fold more compactly and adapt to the transverse folding operation of the whole vehicle, the handrail assembly 1 includes a handrail connecting section 11 which is connected with the upper end of the handrail linkage 2, and the upper ends of the two handrail connecting sections 11 are movably connected through a handrail holding section 12. Further, the corresponding end of the handrail holding section 12 is rotatably connected with the upper end of the handrail connecting section 11.

[0042] As shown in FIG. 5, 12, in order to facilitate the user to pull, the handrail assembly 1 is arranged to be upwardly arranged when the child stroller frame is in the standing state for the user to pull. In this embodiment, when the child stroller frame is in the standing state, the handrail linkage 2 is arranged upwardly so that the handrail assembly 1 is located above the whole vehicle after folding.

[0043] As shown in FIG. 1-10, the child stroller frame of the present application includes a frame body which can be folded along the longitudinal direction, and the frame body includes a handrail linkage mechanism as described above.

[0044] The stroller frame of the present embodiment 1 comprises a front leg rod 110, a rear leg rod 120, a push rod 130, a frame linkage assembly 140, a frame locking mechanism and a frame unlocking mechanism; the upper end of the front leg rod 110 is pivotally connected with the upper end of the rear leg rod 120 through a pivot shaft A; the lower end of the push rod 130 is pivotally connected with the upper end of the rear leg rod 120 through a pivot shaft B; the frame linkage assembly 140 comprises a push rod sliding piece 143, a rear linkage rod 141 and a front linkage rod 142; the push rod sliding piece 143 is slidably arranged on the push rod 130; the upper end of the rear linkage rod 141 is rotatably connected with the push rod sliding piece 143, the middle part of the rear linkage rod 141 is pivotally connected with the upper part of the rear leg rod 120 through a pivot shaft C, the lower end of the handrail linkage rod 2 is rotatably connected with the rear linkage rod 141, and the middle part of the handrail linkage rod 2 is slidably and rotatably connected with the lower part of the push rod 130; the front end of the front linkage rod 142 is rotatably connected with the front leg rod 110, and the rear end of the front linkage rod 142 is rotatably connected with the lower end of the rear linkage rod 141; the frame locking mechanism is located between the push rod sliding piece 143 and the push rod 130 for locking the push rod sliding piece 143 relative to the push rod 130; the frame unlocking mechanism is located on the push rod 130 for linkage unlocking action of the frame locking mechanism to release the locking state of the push rod sliding piece 143 relative to the push rod 130.

[0045] In addition, the specific structure of the stroller frame of the present embodiment 1 can also be referred to: a stroller frame convenient to fold submitted by the applicant on March 25, 2024, with an application number of 2024205915913.

[0046] As shown in FIGS. 11-13, the stroller frame of the present application comprises a frame body that can be folded longitudinally and can be folded transversely, and the frame body comprises a handrail linkage mechanism as described above. The specific structure of the stroller frame of the present embodiment 2 can be referred to: a stroller frame that can be folded twice submitted by the applicant on January 2, 2024, with an application number of CN202410011950.8.

Claims

1. A handrail linkage applied to a child stroller frame switchable between an unfolded state and a folded state, the child stroller frame comprising a front leg rod (110), a rear leg rod (120), a push rod (130) and a frame linkage assembly (140), the upper end of the front leg rod (110), the upper end of the rear leg rod (120) and the lower end of the push rod (130) being rotatably connected with each other, the frame linkage assembly (140) being configured to link the corresponding folding actions of the front leg rod (110) and the rear leg rod (120) during the switching of the push rod (130) from the unfolded state to the folded state. characterized in that The handrail linkage comprises a handrail assembly (1) and a handrail linkage rod (2) connected with the handrail assembly (1), the lower end of the handrail linkage rod (2) extending rearward to be rotatably connected with the frame linkage assembly (140), the middle part of the handrail linkage rod (2) being slidably and rotatably connected with the upper part of the front leg rod (110) or the upper part of the rear leg rod (120) or the lower part of the push rod (130).

2. The handrail linkage of claim 1, wherein A handrail sleeve (3) is slidably sleeved on the handrail linkage rod (2), the handrail sleeve (3) being rotatably connected with the upper part of the front leg rod (110) or the upper part of the rear leg rod (120) or the lower part of the push rod (130).

3. The handrail linkage of claim 1, wherein The upper end of the handrail linkage rod (2) has a handrail connecting seat, the corresponding end of the handrail assembly (1) has a handrail connecting part detachably connected with the handrail connecting seat.

4. A handrail linkage according to any one of claims 1 to 3, wherein The handrail assembly (1) comprises handrail connecting sections (11) connected with the upper end of the handrail linkage rod (2), the upper ends of the two handrail connecting sections (11) being movably connected through a handrail holding section (12).

5. A handrail linkage as claimed in claim 4, wherein The corresponding end of the handrail holding section (12) is rotatably connected with the upper end of the handrail connecting section (11).

6. The handrail linkage of claim 1, wherein The handrail assembly (1) is configured to be arranged upward for the user to pull when the child stroller frame is in a standing state.

7. A stroller frame characterized by A frame body is provided, the frame body comprising a handrail linkage as claimed in any one of claims 1-6.

8. A child's push chair frame according to claim 7, wherein The frame body is configured to be foldable in the longitudinal direction.

9. A stroller frame according to claim 8, wherein The frame body is configured to be foldable in the transverse direction.

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