Novel clamping mechanism, folding basket and cart

The novel locking mechanism using a multi-layered shell sliding assembly solves the problems of high assembly difficulty and high maintenance cost caused by the coaxial arrangement of the locking component and the sliding seat in the existing technology, achieving the effect of convenient installation and maintenance.

CN223864937UActive Publication Date: 2026-02-03HUBEI LEXING CHUANGTAI CHILDRENS PROD CO LTD
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Patent Information

Application Number
CN202520474690.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-18
Publication Date
2026-02-03
Estimated Expiration
2035-03-18

AI Technical Summary

Technical Problem

In existing technologies, the coaxial arrangement of the locking component and the sliding seat leads to difficulties in assembly and high maintenance costs.

Method used

A novel locking mechanism employing a multi-layered sliding housing assembly is used. The main structure and the sliding seat are installed independently. The locking and releasing of the sliding seat are achieved through a control mechanism, which includes the coordinated use of a locking block, an inner sliding housing, an outer positioning housing, and a control pull rope.

Benefits of technology

It improves the ease of installation and disassembly efficiency of the locking mechanism, and reduces the difficulty and cost of maintenance.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223864937U_ABST
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Abstract

The utility model discloses a novel clamping mechanism, a folding basket and a cart, the clamping mechanism is arranged on a bottom pipe frame, the locking and releasing of a sliding seat on the bottom pipe frame are realized through the control of a control mechanism, and the clamping mechanism comprises a locking block, an inner sliding shell and an outer positioning shell, the far end of a pull rope of the control mechanism tensions a first movable pin used for limiting the inner sliding shell in a sliding mode, when the control mechanism generates traction force, longitudinal sliding of the inner sliding shell is converted into transverse movement of the locking block, releasing of the sliding base is achieved, and when the pull rope is loosened, the inner sliding shell is locked. A reset spring in the inner sliding shell pushes the inner sliding shell to slide reversely, and resetting of the locking block and locking of the sliding seat are synchronously achieved. The main body structure and the sliding seat of the novel clamping mechanism are installed independently, the novel clamping mechanism is formed by sleeving multiple layers of shells in a sliding mode, installation is convenient, the disassembly and assembly cost of the clamping mechanism can be effectively improved, and convenience is provided for follow-up maintenance.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a folding cart technical field especially a novel clamping mechanism, folding basket and cart. BACKGROUND

[0002] Pet stroller or baby stroller as a kind of can liberate both hands, improve the tool of the comfort of many parties basically has become the essential tool of the group going out. Among them, the clamping mechanism that can realize the efficient folding contraction of upper and lower two layers of pipe frame is an important component of stroller folding basket. The clamping assembly and sliding seat in prior art are generally coaxially arranged together, and the assembly difficulty is great, and once failure occurs, there are problems of great disassembly difficulty and high maintenance cost. CONTENT OF UTILITY MODEL

[0003] In view of the above technical problems, the utility model provides a novel clamping mechanism, folding basket and cart, the main body structure of the novel clamping mechanism is independently installed with sliding seat, is formed by adopting multilayer shell sliding set, convenient to install, can effectively improve the disassembly cost of clamping mechanism, provide the convenience for subsequent maintenance.

[0004] A novel clamping mechanism, clamping mechanism is installed on the bottom pipe frame, the locking and release of the sliding seat on the bottom pipe frame are realized by the control of control mechanism, comprising

[0005] Locking block, the locking block is vertically arranged in the inside of the bottom pipe frame, the sliding seat and bottom pipe frame are equipped with the clamping groove that is adapted with the locking block;

[0006] Inner sliding shell, one side of the inner sliding shell is slidably limited on the bottom pipe frame by movable pin one, the locking block is slidably arranged at the distal end of the other side of the inner sliding shell, and the other side of the inner sliding shell is further provided with reset spring in the inside;

[0007] Outer positioning shell, one side of the outer positioning shell is fixedly sleeved on the bottom pipe frame, and the other side is provided with sliding cavity for accommodating the inner sliding shell, the other side of the inner sliding shell is slidably limited in the sliding cavity by movable pin two, and the locking block is synchronously slidably limited on the inner sliding shell and the outer positioning shell by movable pin three;

[0008] The distal end of the pull rope of the control mechanism is pulled tight the movable pin one, when the control mechanism generates pulling force, the longitudinal sliding of the inner sliding shell is converted into the transverse movement of the locking block, to realize the release of the sliding seat, when the pull rope is loosened, the reset spring pushes the inner sliding shell to slide reversely and synchronously realizes the reset of the locking block and the locking of the sliding seat.

[0009] As the preferred technical scheme of the above, the inner sliding shell comprises a sliding sleeve and an inner shell arranged side by side, the sliding sleeve is sleeved on the bottom pipe frame, and the inner shell is arranged in the sliding cavity.

[0010] As the preferred technical scheme of the above, the outer positioning shell comprises a positioning sleeve and an outer shell arranged side by side, the positioning sleeve is sleeved on the bottom pipe frame and located between the sliding seat and the sliding sleeve, and the sliding cavity is arranged in the outer shell.

[0011] As the preferred technical scheme of the above, the bottom pipe frame is provided with a longitudinal waist-shaped hole I matched with the movable pin I.

[0012] As the preferred technical scheme of the above, the inner shell is provided with a longitudinal waist-shaped hole II matched with the movable pin II and a triangular hole matched with the movable pin III, and a positioning cavity for accommodating the reset spring is arranged in the inner shell in the longitudinal direction, and the reset spring is limited by the movable pin II.

[0013] As the preferred technical scheme of the above, the outer shell is provided with a transverse waist-shaped hole matched with the movable pin III and the triangular hole.

[0014] A folding basket adopts any one of the novel locking mechanisms to lock and release the sliding seat on the bottom pipe frame.

[0015] A stroller adopts the folding basket as a space for sitting or lying infants or pets.

[0016] The utility model discloses the beneficial effect lies in:

[0017] The locking mechanism and the coaxial sleeve structure of the prior art are different, the main structure of the locking mechanism is independently installed with the sliding seat, is formed by adopting multilayer shell sliding sleeve, is convenient to install, can effectively improve the dismounting cost of the locking mechanism, and provides convenience for subsequent maintenance. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is the structural schematic diagram of the utility model.

[0019] Figure 2 It is the explosion drawing of the utility model.

[0020] Figure 3 It is the sectional view of the inner sliding shell.

[0021] Figure 4 It is the assembly structure schematic diagram of the locking mechanism and the bottom pipe frame.

[0022] Figure 5 It is the explosion drawing of the locking mechanism assembled on the bottom pipe frame.

[0023] Figure 6 A structure schematic view of one of folding baskets using the locking mechanism.

[0024] Figure 7 A structure schematic view of one of strollers using the locking mechanism.

[0025] The reference signs are as follows: 1-locking block, 2-inner sliding shell, 201-sliding sleeve, 202-inner shell, 3-outer positioning shell, 301-positioning sleeve, 302-outer shell, 4-bottom pipe frame, 5-control mechanism, 6-sliding seat, 7-clamping groove, 8-sliding cavity, 9-longitudinal waist-shaped hole one, 10-longitudinal waist-shaped hole two, 11-triangular hole, 12-positioning cavity, 13-lateral waist-shaped hole. DETAILED DESCRIPTION

[0026] The technical scheme of the utility model will be described clearly and completely in combination with the drawings of the utility model. Based on the embodiments of the utility model, all other embodiments obtained by the ordinary skilled in the art without creative labor belong to the protection scope of the utility model.

[0027] As shown in a novel locking mechanism, the locking mechanism is installed on the bottom pipe frame 4, and the locking and releasing of the sliding seat 6 on the bottom pipe frame 4 are realized through the control of the control mechanism 5, comprising Figures 1 to 5

[0028] The locking block 1 is vertically arranged on the inner side of the bottom pipe frame 4, and the sliding seat 6 and the bottom pipe frame 4 are provided with the clamping groove 7 matched with the locking block 1;

[0029] The inner sliding shell 2 is slidably limited on the bottom pipe frame 4 through the movable pin one on one side of the inner sliding shell 2, the locking block 1 is slidably arranged on the far end of the other side of the inner sliding shell 2, and the other side of the inner sliding shell 2 is further provided with the reset spring in the inner side;

[0030] The outer positioning shell 3 is fixedly sleeved on the bottom pipe frame 4 on one side, and is provided with the sliding cavity 8 accommodating the inner sliding shell 1 on the other side, the other side of the inner sliding shell 2 is slidably limited in the sliding cavity 8 through the movable pin two, and the locking block 1 is synchronously slidably limited on the inner sliding shell 2 and the outer positioning shell 3 through the movable pin three;

[0031] The far end of the pull rope of the control mechanism 5 is pulled tight the movable pin one, when the control mechanism 5 generates the pulling force, the longitudinal sliding of the inner sliding shell 2 is converted into the lateral movement of the locking block 1, and the releasing of the sliding seat 6 is realized, when the pull rope is loosened, the reset spring pushes the inner sliding shell 2 to slide reversely and synchronously realizes the reset of the locking block 1 and the locking of the sliding seat 6.​

[0032] In the embodiment, the inner sliding shell 2 comprises a sliding sleeve 201 and an inner shell 202 arranged side by side, the sliding sleeve 201 is sleeved on the bottom pipe frame 4, and the inner shell 202 is arranged in the sliding cavity 8.

[0033] In the embodiment, the outer positioning shell 3 comprises a positioning sleeve 301 and an outer shell 302 arranged side by side, the positioning sleeve 301 is sleeved on the bottom pipe frame 4 and located between the sliding seat 6 and the sliding sleeve 201, and the sliding cavity 8 is arranged in the outer shell 302.

[0034] In the embodiment, the bottom pipe frame 4 is provided with a longitudinal waist-shaped hole 1 9 matched with the movable pin 1.

[0035] In the embodiment, the inner shell 202 is provided with a longitudinal waist-shaped hole 2 10 matched with the movable pin 2 and a triangular hole 1 1 matched with the movable pin 3, and a positioning cavity 1 2 for accommodating the reset spring is arranged in the inner shell 202 in the longitudinal direction, and the reset spring is limited by the movable pin 2.

[0036] In the embodiment, the outer shell 302 is provided with a transverse waist-shaped hole 1 3 matched with the movable pin 3 and the triangular hole.

[0037] The working principle of the embodiment is as follows.

[0038] When the buckle plate of the control mechanism 5 is folded upward, the pull rope pulls the movable pin 1 of the two sets of clamping mechanisms synchronously, the inner sliding shell 2 moves synchronously in the process of moving along the longitudinal waist-shaped hole 1 9, and the reset spring is compressed, and the outer positioning shell 3 cannot slide, and the locking block 1 moves transversely under the guidance of the triangular hole 1 1 and the transverse waist-shaped hole 1 3, and the restriction on the sliding seat 6 and the bottom pipe frame 4 is released, that is, the sliding seat 6 can move relative to the bottom pipe frame 4.

[0039] When the buckle plate of the control mechanism 5 is released, the reset spring pushes the inner sliding shell 2 to reset, which can realize reverse transverse movement of the locking block 1, and when the locking block 1 is inserted into the clamping groove 7 on the sliding seat 6 and the bottom pipe frame 4, the sliding seat 6 and the bottom pipe frame 4 are locked.

[0040] As Figure 6 The folding basket adopts any one of the novel clamping mechanisms to lock and release the sliding seat 6 on the bottom pipe frame 4.

[0041] As Figure 7 The stroller adopts the folding basket as a space for sitting or lying infants or pets.

[0042] The above merely is preferred embodiment of the present utility model, and is not for limiting the present utility model, for the person skilled in the art, the present utility model can have various changes and changes. Any modification, equivalent replacement, improvement etc. that is made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A new type of locking mechanism, which is installed on a bottom pipe frame, and the locking and releasing of the sliding seat on the bottom pipe frame are realized by the control of the control mechanism, characterized in that: Comprising locking block, the locking block is vertically arranged inside the bottom pipe frame, the sliding seat and the bottom pipe frame are provided with clamping grooves matched with the locking block; inner sliding shell, one side of the inner sliding shell is slidingly limited on the bottom pipe frame through a movable pin, the locking block is slidingly arranged at the other side of the inner sliding shell, the other side of the inner sliding shell is further provided with a reset spring inside; outer positioning shell, one side of the outer positioning shell is fixedly sleeved on the bottom pipe frame, the other side is provided with a sliding cavity accommodating the inner sliding shell, the other side of the inner sliding shell is slidingly limited in the sliding cavity through a movable pin two, the locking block is synchronously slidingly limited on the inner sliding shell and the outer positioning shell through a movable pin three; the distal end of the pull rope of the control mechanism is tensioned on the movable pin one, when the control mechanism generates a pulling force, the longitudinal sliding of the inner sliding shell is converted into the transverse movement of the locking block, so as to realize the release of the sliding seat, when the pull rope is loosened, the reset spring pushes the inner sliding shell to slide reversely and synchronously realizes the reset of the locking block and the locking of the sliding seat.

2. A new type of locking mechanism according to claim 1, characterized in that: The inner sliding shell comprises a sliding sleeve and an inner shell arranged side by side, the sliding sleeve is sleeved on the bottom pipe frame, and the inner shell is arranged in the sliding cavity.

3. A new type of blocking mechanism according to claim 2, characterized in that: The outer positioning shell comprises a positioning sleeve and an outer shell arranged side by side, the positioning sleeve is sleeved on the bottom pipe frame and located between the sliding seat and the sliding sleeve, and the sliding cavity is arranged in the outer shell.

4. A new type of locking mechanism according to claim 1, characterized in that: The bottom pipe frame is provided with a longitudinal waist-shaped hole one matched with the movable pin one.

5. A new type of locking mechanism according to claim 3, characterized in that: The inner shell is provided with a longitudinal waist-shaped hole two matched with the movable pin two and a triangular hole matched with the movable pin three, a positioning cavity for accommodating the reset spring is arranged inside the inner shell in the longitudinal direction, and the reset spring is limited through the movable pin two.

6. A new type of catch mechanism according to claim 5, characterized in that: The outer shell is provided with a transverse waist-shaped hole matched with the movable pin three and the triangular hole.

7. A folding basket characterised in that: The novel locking mechanism of any one of claims 1-6 is adopted to realize the locking and release of the sliding seat on the bottom pipe frame.

8. A cart characterized by: The folding basket of claim 7 is used as a space for sitting or lying infants or pets.