Seat clutch structure for stroller

By setting joint units at both ends of the bracket of the child cart seat and setting limit units on the bracket, the existing child cart seats are solved, and the seats are easily unlocked and locked, improving operational convenience and stability.

CN222538871UActive Publication Date: 2025-02-28CIXI FUBEIBEI CHILDREN ARTICLES
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Patent Information

Application Number
CN202421376397.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-17
Publication Date
2025-02-28
Estimated Expiration
2034-06-17

AI Technical Summary

Technical Problem

The folding structure of the existing children's cart seats is complex, inconvenient to operate, and the folded volume is large, making it not suitable for carrying and storing.

Method used

A seat clutch structure is designed, and the seat unlocking and locking is achieved by setting joint units at both ends of the seat bracket and setting limit units on the cart bracket, which is simple and convenient to operate.

Benefits of technology

It realizes easy unlocking and locking of the seat, improving the convenience of operation and the stability and reliability of the folding and deployment of the seat.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a seat clutch structure for a child stroller, which comprises a stroller support and a seat support, joint units are respectively arranged at two ends of the seat support, each joint unit comprises a joint component and a clutch component arranged in the joint component, the seat support is connected with the stroller support through the joint components, and the seat support is connected with the stroller support through the clutch components. The cart support is provided with a limiting unit matched with the joint unit. The seat is reasonable in structural design, the joint units are arranged at the two ends of the seat support, the limiting units matched with the joint units are arranged on the cart support, unlocking and locking of the seat are achieved, and operation is easy and convenient.
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Description

Technical Field

[0001] The utility model relates to the field of child strollers, in particular to a seat clutch structure used for child strollers. Background Art

[0002] A baby stroller is an indispensable tool for children's growth. In order to facilitate carrying and storage, the seat of the baby stroller is usually designed to be foldable. The existing baby stroller seat folding structure is usually complicated and inconvenient to operate. The folded volume is still large, which is not convenient to carry and store. Utility Model Content

[0003] The technical problem to be solved by the utility model is to provide a seat clutch structure for a child stroller in view of the current status of the prior art.

[0004] The technical solution adopted by the utility model to solve the above-mentioned technical problems is: a seat clutch structure for a child stroller, including a stroller bracket and a seat bracket, joint units are respectively arranged at both ends of the seat bracket, the joint unit includes a joint assembly and a clutch assembly arranged in the joint assembly, the seat bracket is connected to the stroller bracket through the joint assembly, and a limiting unit matching the joint unit is arranged on the stroller bracket.

[0005] Preferably, the limiting unit comprises a limiting block arranged on the trolley bracket, the limiting block is provided with a limiting portion engaged with the limiting contact, the limiting portion is arranged in an arc, and the limiting portion is provided with at least one limiting hole engaged with the limiting contact.

[0006] Preferably, the joint assembly includes a seat joint and a cart joint, one end of the cart joint is connected to the cart bracket, the seat joint and the cart joint are symmetrically arranged, the cart joint is provided with a accommodating cavity, the accommodating cavity is provided with a center axis and a limiting groove, and the seat joint is coaxially connected to the cart joint through the center axis.

[0007] Preferably, the clutch assembly includes a first card block, a second card block, an elastic member and a limit contact arranged on the first card block. The first card block, the second card block and the elastic member are sequentially passed through the center axis and matched with the limit groove to be arranged in the accommodating cavity. The clutch assembly is arranged between the seat joint and the cart joint.

[0008] Preferably, a through tube is provided at the center of the first clamping block, a through hole corresponding to the through tube is provided on the second clamping block, one end of the elastic member is arranged in the through hole, the through tube drives the first clamping block and the second clamping block to engage and separate through the contraction and deformation of the elastic member, and the limit contact passes through the cart joint and is engaged with the limit unit.

[0009] Preferably, the first clamping block and the second clamping block are further provided with sliding columns and sliding holes.

[0010] Compared with the prior art, the advantages of the present invention are as follows: by arranging joint units at both ends of the seat bracket and arranging limit units matching the joint units on the trolley bracket, the seat can be unlocked and locked, and the operation is simple and convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a schematic diagram of the exploded structure of the utility model;

[0012] Figure 2 It is a structural schematic diagram of the utility model;

[0013] Figure 3 It is a schematic diagram of the exploded structure of the joint unit of the utility model;

[0014] Figure 4 It is a schematic diagram of the exploded structure of the clutch assembly of the utility model;

[0015] Figure 5 It is a structural schematic diagram of the limiting unit of the utility model.

[0016] Figure numerals: 1. trolley bracket; 12. seat bracket; 23. joint unit; 331. joint assembly; 311. seat joint; 312. trolley joint; 3121. accommodating chamber; 3122. center axis; 3123. limiting groove; 32. clutch assembly; 321. first clamping block; 3211. through pipe; 3212. sliding hole; 3213. limiting contact; 322. second clamping block; 3221. through hole; 3222. sliding column; 323. elastic member; 4. limiting unit; 41. limiting block; 411. limiting part; 412. limiting hole. DETAILED DESCRIPTION

[0017] The following will disclose multiple embodiments of the present invention with drawings. For the purpose of clear description, many practical details will be described together in the following description. However, it should be understood that these practical details should not be used to limit the present invention. In other words, in some embodiments of the present invention, these practical details are not necessary. In addition, in order to simplify the drawings, some conventional structures and components will be depicted in a simple schematic manner in the drawings.

[0018] It should be noted that all directional indications in the embodiments of the present invention, such as up, down, left, right, front, back... are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0019] Moreover, some of the above-mentioned terms may be used to express other meanings besides indicating orientation or positional relationships. For example, the term "on" may also be used to indicate a certain dependency or connection relationship in certain circumstances. A person skilled in the art may understand the specific meanings of these terms in the present utility model according to the specific circumstances.

[0020] In addition, the terms "install", "set", "provided with", "connect", "connected", and "socketed" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral structure; it can be a mechanical connection, or an electrical connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be an internal connection between two devices, elements, or components. The connection methods involved in this article are prior arts, without any improvement, and are all common knowledge of those skilled in the art. For those skilled in the art, the specific meanings of the above terms in this utility model can be understood according to specific circumstances.

[0021] In addition, in the present utility model, the descriptions of "first", "second", etc. are only used for descriptive purposes, and do not specifically refer to the order or sequence, nor are they used to limit the present utility model. They are only used to distinguish components or operations described with the same technical terms, and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In addition, the technical solutions between the various embodiments can be combined with each other, but they must be based on the ability of ordinary technicians in this field to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by the present utility model.

[0022] like Figures 1 to 5 As shown, the utility model provides a seat clutch structure for a child stroller, comprising a stroller bracket 1 and a seat bracket 12, wherein joint units 23 are respectively arranged at both ends of the seat bracket 12, wherein the joint unit 23 comprises a joint assembly 331 and a clutch assembly 32 arranged in the joint assembly 331, wherein the seat bracket 12 is connected to the stroller bracket 1 via the joint assembly 331, and a limiting unit 4 cooperating with the joint unit 23 is arranged on the stroller bracket 1;

[0023] By arranging joint units 23 at both ends of the seat bracket 12 and arranging a limit unit 4 on the trolley bracket 1 to match the joint unit 23, the seat can be unlocked and locked, and the operation is simple and convenient.

[0024] The limiting unit 4 includes a limiting block 41 disposed on the cart bracket 1, and a limiting portion 411 is disposed on the limiting block 41 to be engaged with the limiting contact 3213, and the limiting portion 411 is disposed in an arc, and at least one limiting hole 412 is disposed on the limiting portion 411 to be engaged with the limiting contact 3213;

[0025] By providing the limiting unit 4, the locking and unlocking of the seat can be achieved, which helps to improve the accuracy and stability of the locking and unlocking of the seat.

[0026] The joint assembly 331 includes a seat joint 311 and a cart joint 312. One end of the cart joint 312 is connected to the cart bracket 1. The seat joint 311 and the cart joint 312 are symmetrically arranged. The cart joint 312 is provided with a receiving cavity 3121. The receiving cavity 3121 is provided with a central axis 3122 and a limiting groove 3123. The seat joint 311 is coaxially connected to the cart joint 312 through the central axis 3122.

[0027] By providing the joint assembly 331 , the seat bracket 12 can be rotated, thereby realizing the folding and unfolding of the seat.

[0028] The clutch assembly 32 includes a first clamping block 321, a second clamping block 322, an elastic member 323, and a limit contact 3213 arranged on the first clamping block 321. The first clamping block 321, the second clamping block 322, and the elastic member 323 sequentially pass through the central axis 3122 and are arranged in the accommodating cavity 3121 in cooperation with the limit groove 3123. The clutch assembly 32 is arranged between the seat joint 311 and the cart joint 312.

[0029] By setting the clutch assembly 32, the seat can be locked and unlocked. When the cart needs to be unfolded, the cart bracket 1 is unfolded to drive the seat bracket 12, so that the limit contact 3213 slides into the limit block 41, and the first card block 321 and the second card block 322 are engaged and separated by the elastic member 323, driving the limit contact 3213 to slide into the limit hole 412, thereby achieving the locking of the seat; when the cart is folded, the cart bracket 1 is folded to drive the seat bracket 12, and the first card block 321 and the second card block 322 are engaged and separated by the elastic member 323, so that the limit contact 3213 is disengaged from the limit hole 412, and the seat bracket 12 can be unlocked.

[0030] A through pipe 3211 is disposed at the center of the first clamping block 321, a through hole 3221 corresponding to the through pipe 3211 is disposed on the second clamping block 322, one end of the elastic member 323 is disposed in the through hole 3221, the through pipe 3211 drives the first clamping block 321 and the second clamping block 322 to engage and separate through the contraction and deformation of the elastic member 323, and the limit contact 3213 passes through the cart joint 312 and is engaged with the limit unit 4;

[0031] By providing the through tube 3211 and the through hole 3221 , the through tube 3211 can slide into the through hole 3221 , thereby achieving the engagement and separation of the first clamping block 321 and the second clamping block 322 .

[0032] The first clamping block 321 and the second clamping block 322 are further provided with a sliding column 3222 and a sliding hole 3212;

[0033] By further arranging the sliding column 3222 and the sliding hole 3212 on the first clamping block 321 and the second clamping block 322 , the stability and reliability of the seat folding and unfolding are improved.

[0034] like Figures 1 to 5 As shown, the working process of the utility model is:

[0035] When the stroller needs to be folded, the stroller bracket 1 is folded to drive the seat bracket 12 to be folded, and at the same time drive the joint assembly 331, the limit contact 3213 in the joint assembly 331 is forced to slide out of the limit hole 412, and the first clamping block 321 and the second clamping block 322 are engaged and separated by the elastic member 323 being deformed by force, driving the limit contact 3213 to slide out of the limit block 41 along the arc on the limit portion 411, so that the joint unit 23 is separated from the limit unit 4 on the stroller bracket 1, thereby realizing the unlocking of the seat bracket 12, which is convenient for the folding and storage of the stroller;

[0036] When the stroller needs to be unfolded, the stroller bracket 1 unfolds, driving the seat bracket 12 to unfold, and at the same time driving the joint assembly 331. The limit contact 3213 in the joint assembly 331 is forced to slide into the limit block 41 along the arc on the limit portion 411, and the elastic member 323 is forced to deform the first block 321 and the second block 322 to achieve engagement and separation, driving the limit contact 3213 to slide into the limit hole 412, thereby locking the joint unit 23 to the limit unit 4 on the stroller bracket 1, thereby achieving locking of the seat bracket 12, and the operation is simple and convenient.

[0037] In the description of this specification, reference is made to the terms "one embodiment", "some embodiments", "examples", "specific examples", etc.

[0038] The description of "example" or "some examples" means that the specific features, structures, materials or characteristics described in combination with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic expressions of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art can combine and combine different embodiments or examples described in this specification and the features of different embodiments or examples without contradiction.

[0039] The standard parts used in the present invention can all be purchased from the market, and special-shaped parts can be customized according to the description in the specification and drawings. The specific connection methods of each part adopt conventional means such as mature bolts, rivets, welding, and bonding in the prior art, which will not be described in detail here.

[0040] The above contents are only preferred embodiments of the present invention. For ordinary technicians in this field, various changes and variations can be made in the specific implementation methods and application scopes based on the ideas of the present invention. The content of this specification should not be understood as a limitation on the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of the claims of the present invention.

Claims

1. A seat clutch structure for a child stroller, comprising a stroller bracket and a seat bracket, characterized in that: Joint units are respectively arranged at both ends of the seat bracket, and the joint units include a joint assembly and a clutch assembly arranged in the joint assembly. The seat bracket is connected to the trolley bracket through the joint assembly, and a limiting unit cooperating with the joint unit is arranged on the trolley bracket.

2. A seat clutch structure for a child stroller according to claim 1, characterized in that: The limiting unit comprises a limiting block arranged on the trolley bracket, the limiting block is provided with a limiting portion engaged with the limiting contact, the limiting portion is arranged in an arc, and the limiting portion is provided with at least one limiting hole engaged with the limiting contact.

3. A seat clutch structure for a child stroller according to claim 2, characterized in that: The joint assembly includes a seat joint and a cart joint. One end of the cart joint is connected to the cart bracket. The seat joint and the cart joint are symmetrically arranged. A accommodating cavity is provided on the cart joint. A central axis and a limiting groove are provided in the accommodating cavity. The seat joint is coaxially connected to the cart joint through the central axis.

4. A seat clutch structure for a child stroller according to claim 3, characterized in that: The clutch assembly includes a first card block, a second card block, an elastic member and a limit contact arranged on the first card block. The first card block, the second card block and the elastic member are sequentially passed through the central axis and arranged in the accommodating cavity with the limit groove. The clutch assembly is arranged between the seat joint and the cart joint.

5. A seat clutch structure for a child stroller according to claim 4, characterized in that: A through tube is provided at the center of the first clamping block, a through hole corresponding to the through tube is provided on the second clamping block, one end of the elastic member is provided in the through hole, the through tube drives the first clamping block and the second clamping block to engage and separate through the contraction and deformation of the elastic member, and the limit contact passes through the cart joint and is engaged with the limit unit.

6. A seat clutch structure for a child stroller according to claim 5, characterized in that: The first clamping block and the second clamping block are also provided with sliding columns and sliding holes.