Quick-release type safety fixing base for child seat of electric bicycle

By designing a quick-release safety fixing base and using a combination of elastic straps and locking bolts, the problem of low installation efficiency and insufficient locking of electric bicycle child seats is solved, achieving quick disassembly and multi-level locking, thus improving ease of use and safety.

CN224184392UActive Publication Date: 2026-05-01FOSHAN SHUNDE ZHIQUDONG E-COMMERCE CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
FOSHAN SHUNDE ZHIQUDONG E-COMMERCE CO LTD
Filing Date
2025-06-23
Publication Date
2026-05-01

AI Technical Summary

Technical Problem

Existing electric bicycle child seats are inefficient to install, cannot be removed immediately, and lack multi-level locking mechanisms to cope with the impact loads of bumps and emergency braking.

Method used

A quick-release safety fixing base was designed, comprising a base body, guide rail, elastic strap, self-locking buckle mechanism and locking bolt. It is fixed to the rear frame of the vehicle by elastic strap, the guide rail is connected to the child seat buckle, and the locking bolt provides double fixation, enabling quick disassembly and providing a multi-level locking mechanism.

Benefits of technology

It enables quick removal and multi-level locking of child seats for electric bicycles, meeting the needs of temporary removal, improving installation efficiency and enhancing safety.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides an electric bicycle child seat quick-release type safety fixing base, and relates to the field of electric bicycle seats, the electric bicycle child seat quick-release type safety fixing base comprises a base body, and a guide sliding rail is arranged on the top face of the base body; the bottom of the base body is provided with a pair of elastic bandages which are arranged in a crossed mode. A clamping end and a buckling end which are used for buckling connection are arranged in the middle of the elastic bandage; a self-locking buckle mechanism is arranged at the tail end of the guide sliding rail; the two sides of the guide sliding rail are provided with carrying platforms used for carrying a child seat. A locking bolt which penetrates through the base body and is used for being connected with a child seat is arranged on the side of the object carrying platform. And the device can be quickly disassembled and has a multi-stage locking mechanism.
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Description

Technical Field

[0001] This utility model relates to the field of electric vehicle seats, specifically to a quick-release safety fixing base for electric bicycle child seats. Background Technology

[0002] Electric bicycles have become a common mode of transportation, and adults often install child seats on the rear rack to provide seating and ensure children's safety. Existing child seats, whether placed on the rear rack or fixed to the electric bicycle, have the following shortcomings:

[0003] The installation is inefficient and requires tools. For example, the seats need to be removed when parking, and it cannot be disassembled immediately, which cannot meet the needs of temporary disassembly. In addition, the impact load generated by bumpy urban roads and emergency braking requires the base to have a multi-level locking mechanism.

[0004] Therefore, this utility model proposes a quick-release safety fixing base for electric bicycle child seats. Utility Model Content

[0005] To address the shortcomings of existing technologies, this utility model proposes a quick-release safety fixing base for electric bicycle child seats, which can be quickly disassembled and has a multi-level locking mechanism.

[0006] The technical solution of this utility model is implemented as follows:

[0007] A quick-release safety fixing base for a child seat on an electric bicycle includes a base body. The top surface of the base body is provided with a guide rail. The bottom of the base body is provided with a pair of cross-arranged elastic straps. The middle of the elastic straps is provided with a snap-fit ​​end and a fastening end for buckle connection. The end of the guide rail is provided with a self-locking buckle mechanism. The two sides of the guide rail are provided with a loading platform for supporting the child seat. The side of the loading platform is provided with a locking bolt that penetrates the base body for connecting with the child seat.

[0008] Preferably, the guide rail has a dovetail groove structure, and shock-absorbing rubber strips are evenly distributed in the groove.

[0009] Preferably, the self-locking latching mechanism includes a wedge-shaped locking tongue fitted with a spring at the bottom of the guide rail tail end and a pressure-triggered unlocking button at the end away from the locking tongue, wherein the locking tongue extends from the bottom of the base body into the guide rail.

[0010] Preferably, the bottom of the locking bolt is provided with a cross handle for rotation.

[0011] Preferably, the upper surface of the loading platform is evenly distributed with several anti-slip textures.

[0012] Preferably, the edge of the loading platform is provided with an upwardly extending anti-slip guard, and a silicone buffer strip is embedded in the anti-slip guard.

[0013] Compared with the prior art, the present invention has the following advantages:

[0014] Using this solution, the base body is fixed to the rear rack of the vehicle via the snap-fit ​​and fastening ends of the elastic straps at the bottom; the guide rails on the base body are used to connect with the child seat, and the end of the guide rails is equipped with a self-locking buckle mechanism to lock the child seat; at the same time, the child seat is fixed by bolting through the base body to connect with the child seat; after double fixing, the child seat is supported by the cargo platform, thus achieving quick disassembly and a multi-level locking mechanism. Attached Figure Description

[0015] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0016] Figure 1 This is a three-dimensional structural diagram of a quick-release safety fixing base for a child seat on an electric bicycle, according to the present invention.

[0017] Figure 2 This is a top view of the base structure.

[0018] Figure 3 This is a schematic diagram of the base structure viewed from below.

[0019] Attached diagram labels: 1-Base body; 2-Guide slide rail; 21-Lock tongue; 22-Unlock button; 23-Shock-absorbing rubber strip; 3-Elastic strap; 4-Loading platform; 41-Anti-slip texture; 42-Anti-detachment guard; 43-Silicone buffer strip; 5-Locking bolt; 51-Handle. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0021] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this utility model and for simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first," "second," "third," and "fourth," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0022] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0023] This embodiment proposes a quick-release safety fixing base for electric bicycle child seats, such as... Figure 1 As shown, the device includes a base body 1, with a guide rail 2 on the top surface of the base body 1; a pair of cross-arranged elastic straps 3 on the bottom of the base body 1; a snap-fit ​​end and a fastening end for snap-fit ​​connection in the middle of the elastic straps 3; a self-locking snap-fit ​​mechanism at the end of the guide rail 2; a cargo platform for supporting a child seat on both sides of the guide rail 2; and a locking bolt 5 penetrating the base body 1 for connecting with the child seat on the side of the cargo platform.

[0024] Working principle: The base body 1 is fixed to the rear frame of the vehicle by the snap-fit ​​and buckle ends of the elastic strap 3 at the bottom; the guide rail 2 on the base body 1 is used to connect with the child seat, and the end of the guide rail 2 is equipped with a self-locking buckle mechanism to lock the child seat; at the same time, the child seat is fixed by bolting it with the locking bolt 5 that runs through the base body 1 for connection with the child seat; after double fixing, the child seat is supported by the loading platform 4, so as to achieve quick disassembly and have a multi-level locking mechanism.

[0025] In this embodiment, the guide rail 2 has a dovetail groove structure, and shock-absorbing rubber strips 23 are evenly distributed in the groove.

[0026] In this embodiment, the self-locking latch mechanism includes a wedge-shaped locking tongue 21 with a spring sleeved at the bottom of the tail end of the guide rail 2 and a pressure-triggered unlocking button 22 located at the end away from the locking tongue 21. The locking tongue 21 extends from the bottom of the base body 1 into the guide rail 2.

[0027] In this embodiment, the bottom of the locking bolt 5 is provided with a cross handle 51 for rotation.

[0028] In this embodiment, the upper surface of the loading platform 4 is evenly distributed with several anti-slip textures 41.

[0029] In this embodiment, the edge of the loading platform 4 is provided with an upwardly extending anti-slip edge 42, and a silicone buffer strip 43 is embedded in the anti-slip edge 42.

[0030] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A quick-release safety fixing base for a child seat on an electric bicycle, characterized in that: The system includes a base body (1), the top surface of which is provided with a guide rail (2); the bottom of the base body (1) is provided with a pair of cross-arranged elastic straps (3); the middle part of the elastic straps (3) is provided with a snap-fit ​​end and a fastening end for snap-fit ​​connection; the end of the guide rail (2) is provided with a self-locking snap-fit ​​mechanism; the two sides of the guide rail (2) are provided with a carrying platform for supporting a child seat; the side of the carrying platform is provided with a locking bolt (5) that penetrates the base body (1) for connecting with the child seat.

2. The quick-release safety fixing base for a child seat on an electric bicycle according to claim 1, characterized in that: The guide rail (2) has a dovetail groove structure, and shock-absorbing rubber strips (23) are evenly distributed in the groove.

3. The quick-release safety fixing base for a child seat on an electric bicycle according to claim 2, characterized in that: The self-locking latch mechanism includes a wedge-shaped locking tongue (21) fitted with a spring at the bottom of the tail end of the guide rail (2) and a pressure-triggered unlocking button (22) located at the end away from the locking tongue (21). The locking tongue (21) extends from the bottom of the base body (1) into the guide rail (2).

4. The quick-release safety fixing base for a child seat on an electric bicycle according to claim 1, characterized in that: The bottom of the locking bolt (5) is provided with a cross handle (51) for rotation.

5. The quick-release safety fixing base for a child seat on an electric bicycle according to claim 1, characterized in that: The upper surface of the loading platform (4) is evenly distributed with several anti-slip textures (41).

6. The quick-release safety fixing base for a child seat on an electric bicycle according to claim 5, characterized in that: The loading platform (4) has an upwardly extending anti-slip edge (42) at its edge, and a silicone buffer strip (43) is embedded in the anti-slip edge (42).