Electric bicycle wire harness anti-abrasion protective sleeve

The electric bicycle wiring harness protective sleeve, with its inner and outer sleeve combination structure and block design, solves the problem of poor wear resistance in existing technologies, provides double protection, reduces the risk of wiring harness damage and short circuits, and ensures the safe operation of electric bicycles.

CN224311889UActive Publication Date: 2026-06-02NANTONG YUDIANMING COMMUNICATION TECHNOLOGY CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
NANTONG YUDIANMING COMMUNICATION TECHNOLOGY CO LTD
Filing Date
2025-06-24
Publication Date
2026-06-02

AI Technical Summary

Technical Problem

The existing protective sleeves for electric bicycle wiring harnesses have a simple structure and poor wear resistance, making it difficult to provide effective protection under complex road conditions. This can easily lead to wiring harness damage, circuit failure, and short circuit fires.

Method used

It adopts a combination structure of inner and outer sleeves. Multiple blocks are fixedly connected to the inner wall of the inner sleeve. The blocks are provided with elliptical through holes. The outer sleeve is in contact with the outside to resist scratches, while the inner sleeve provides a stable placement space. Combined with the design of straps and columns, it forms a double protective barrier, optimizes stress distribution, and reduces the risk of damage to the wire harness due to vibration and friction.

Benefits of technology

It provides dual protection for the wiring harness, reducing the risk of damage caused by vehicle vibration and friction with the frame, minimizing circuit faults and short circuit hazards, and ensuring the safe operation of electric bicycles in complex road conditions.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an electric bicycle wire harness anti-abrasion protective sleeve, including inner sleeve, outer sleeve, block, first through -hole, bandage, second through -hole, gap and cylinder, its characterized in that inner sleeve outer wall is equipped with the outer sleeve, a plurality of block are fixedly connected with inner sleeve inner wall, a plurality of block all with outer sleeve inner wall fixedly connected, a plurality of first through -hole all are elliptical, the utility model discloses the block structure between outer sleeve and inner sleeve forms double protection. Outer sleeve resists scratch impact, and inner sleeve stably places wire harness. The first through -hole of block reduces weight, optimizes stress distribution, and disperses extrusion pressure. Reduce wire harness friction breakage risk, reduce circuit failure hidden danger, provide reliable protection for electric bicycle complex road condition operation.
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Description

Technical Field

[0001] This utility model relates to the technical field of electric bicycle accessories, and in particular to an anti-wear protective sleeve for electric bicycle wiring harnesses. Background Technology

[0002] The wiring harnesses of electric bicycles are distributed in the frame, handlebars, and other parts. During vehicle operation, the wiring harnesses are easily damaged due to vibration and friction with the frame, leading to circuit failures or even short circuits and fires. Existing protective sleeves have simple structures, mostly single-layer rubber tubes, which have poor wear resistance and lack cushioning design, making it difficult to meet the protection needs under complex road conditions. Utility Model Content

[0003] The purpose of this utility model is to address the shortcomings of existing technologies by proposing an anti-wear protective sleeve for electric bicycle wiring harnesses.

[0004] To achieve the above objectives, the present invention adopts the following technical solution:

[0005] An anti-wear protective sleeve for electric bicycle wiring harnesses includes an inner sleeve, an outer sleeve, blocks, a first through hole, a strap, a second through hole, a notch, and a column. The inner sleeve has an outer sleeve on its outer wall, and multiple blocks are fixedly connected to the inner wall of the inner sleeve. Each block is fixedly connected to the inner wall of the outer sleeve, and each block has a first through hole, all of which are elliptical in shape.

[0006] Preferably, one end of the inner sleeve is fixedly connected to a strap, and each strap has multiple second through holes. One end of the inner sleeve is fixedly connected to multiple columns, and the multiple columns are adapted to the multiple second through holes.

[0007] Preferably, both ends of the inner sleeve have notches.

[0008] Preferably, the inner sleeve and the outer sleeve are placed at the same center.

[0009] Preferably, the inner sleeve, outer sleeve, block, first through hole, strap, second through hole, notch, and column are all made of silicone.

[0010] Preferably, one end of each of the plurality of columns is machined into a spherical shape.

[0011] Preferably, the array of multiple blocks is distributed between the inner sleeve and the outer sleeve.

[0012] The beneficial effects of this utility model are as follows:

[0013] 1. Through the cooperation between the outer sleeve, inner sleeve, blocks, and first through hole, multiple blocks are fixedly connected between the outer sleeve and inner sleeve, and each block has an elliptical first through hole. In this way, the outer sleeve is in direct contact with the outside world, effectively resisting the scratches and impacts of sharp objects. The inner sleeve provides a stable placement space for the wire harness, forming a double protective barrier. The first through hole in the block not only reduces the overall weight of the protective sleeve, but also optimizes stress distribution through its unique geometry. When the protective sleeve is squeezed by external force, the elliptical through hole can more effectively disperse the pressure and reduce the damage of concentrated stress to the inner and outer sleeves. This can reduce the risk of wire harness damage due to vehicle vibration and friction with the frame, fundamentally reducing safety hazards such as circuit failure and short circuit fire, and providing reliable protection for the safe operation of electric bicycles in complex road conditions.

[0014] 2. Through the cooperation between the inner sleeve, notch, second through hole, strap and column, when the second through hole of the strap connects with the column on the outer wall of the inner sleeve and tightens, the inner sleeve area at both ends of the notch will shrink towards the center, tightly fitting the outer surface of the wire harness, forming a mechanical fixation. This not only effectively prevents the protective sleeve from shifting or falling off when the vehicle vibrates, ensuring that the wire harness is protected throughout, but also prevents rainwater, dust and other contaminants from entering to a certain extent by tightening the port, reducing the risk of the wire harness getting damp and short-circuiting. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the structure of an anti-wear protective sleeve for electric bicycle wiring harnesses proposed in this utility model;

[0016] Figure 2 for Figure 1 A schematic diagram of the rear view structure;

[0017] Figure 3 for Figure 1 A schematic diagram of the structure of the central strap, the second through hole, and the notch;

[0018] Figure 4 for Figure 1 A structural diagram of the inner sleeve, outer sleeve, and column;

[0019] Figure 5 for Figure 1 A schematic diagram of the structure of the inner and outer sleeves, the block, and the first through hole.

[0020] In the diagram: 1. Inner sleeve; 2. Outer sleeve; 3. Block; 4. First through hole; 5. Binding strap; 6. Second through hole; 7. Notch; 8. Column. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0022] Example 1, referring to Figures 1 to 5 An anti-wear protective sleeve for electric bicycle wiring harnesses includes an inner sleeve 1, an outer sleeve 2, blocks 3, a first through hole 4, a strap 5, a second through hole 6, a notch 7, and a column 8. The inner sleeve 1 has an outer sleeve 2 on its outer wall, and multiple blocks 3 are fixedly connected to the inner wall of the inner sleeve 1. The outer sleeve 2, inner sleeve 1, and blocks 3 form a double protective structure. Each block 3 is fixedly connected to the inner wall of the outer sleeve 2, and each block 3 has a first through hole 4. All first through holes 4 are elliptical in shape. This shape design optimizes stress distribution under stress. The outer sleeve 2 resists external scratches and impacts, while the inner sleeve 1 stably holds the wiring harness, forming double protection. The first through hole 4 of the block 3 reduces the weight of the protective sleeve, and its elliptical structure optimizes stress distribution, effectively dispersing pressure under compression and reducing damage to the inner sleeve 1 and outer sleeve 2. This reduces the risk of wiring harness damage due to vibration and friction, reduces the risk of circuit failure and short circuit fires, and provides reliable protection for electric bicycles operating in complex road conditions.

[0023] In this embodiment, a binding strap 5 is fixedly connected to one end and the other end of the inner sleeve 1. Each binding strap 5 has multiple second through holes 6. Multiple pillars 8 are fixedly connected to one end and the other end of the inner sleeve 1. The multiple pillars 8 are adapted to the multiple second through holes 6. The binding strap 5 can be wrapped around the outer wall of the inner sleeve 1 while simultaneously connecting the second through holes 6 of the binding strap 5 to the pillars 8, thereby shrinking one end or the other end of the inner sleeve 1 to secure the wire harness. A notch 7 is provided at one end and the other end of the inner sleeve 1. The outer sleeve 2 is placed concentrically. The inner sleeve 1, outer sleeve 2, block 3, first through hole 4, strap 5, second through hole 6, notch 7, and column 8 are all made of silicone. The flexibility and wear resistance of silicone are used to improve the overall protective performance. One end of each column 8 is machined into a spherical shape. The spherical shape is to facilitate the movement of the strap 5 to a certain extent after the second through hole 6 of the strap 5 is connected to the column 8. The multiple blocks 3 are arrayed between the inner sleeve 1 and the outer sleeve 2 to ensure the uniform transmission of protective force.

[0024] The working principle of this embodiment is as follows: When the electric bicycle wiring harness needs protection, the inner sleeve 1 is first put on the outside of the wiring harness and connected to the outer wall column 8 of the inner sleeve 1 through the second through hole 6 of the strap 5. In this way, the notches 7 at both ends of the inner sleeve 1 contract towards the center, tightly fitting the wiring harness to form a mechanical fixation, preventing overall displacement or detachment, and at the same time preventing rainwater and dust from entering to a certain extent. The multiple blocks 3 between the outer sleeve 2 and the inner sleeve 1 are fixedly connected to form a double protective barrier. The outer sleeve 2 resists external scratches and impacts, while the inner sleeve 1 provides a stable space for the wiring harness. When the protective sleeve is squeezed by external force, the elliptical first through hole 4 on the block 3 optimizes the stress distribution through its unique geometry, effectively dispersing the pressure and reducing the damage of concentrated stress to the inner and outer sleeves 2. The overall structure reduces the weight of the protective sleeve while reducing the risk of the wiring harness being damaged by vibration and friction with the frame, fundamentally reducing safety hazards such as circuit failure and short circuit fire, and ensuring the safe operation of the electric bicycle in complex road conditions.

[0025] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A wear-resistant protective sleeve for an electric bicycle wiring harness, comprising an inner sleeve (1), an outer sleeve (2), a block (3), a first through hole (4), a strap (5), a second through hole (6), a notch (7), and a column (8), characterized in that, The inner sleeve (1) has an outer sleeve (2) on its outer wall. Multiple blocks (3) are fixedly connected to the inner wall of the inner sleeve (1). All of the blocks (3) are fixedly connected to the inner wall of the outer sleeve (2). All of the blocks (3) have a first through hole (4). All of the first through holes (4) are elliptical.

2. The anti-wear protective sleeve for electric bicycle wiring harnesses according to claim 1, characterized in that, The inner sleeve (1) is fixedly connected to a strap (5) at one end and the other end. Both straps (5) are provided with multiple second through holes (6). The inner sleeve (1) is fixedly connected to multiple columns (8) at one end and the other end. The multiple columns (8) are adapted to the multiple second through holes (6).

3. The anti-wear protective sleeve for electric bicycle wiring harnesses according to claim 1, characterized in that, The inner sleeve (1) has notches (7) at one end and the other end.

4. The anti-wear protective sleeve for electric bicycle wiring harnesses according to claim 1, characterized in that, The inner sleeve (1) and the outer sleeve (2) are placed at the same center.

5. The anti-wear protective sleeve for electric bicycle wiring harnesses according to claim 1, characterized in that, The inner sleeve (1), outer sleeve (2), block (3), first through hole (4), strap (5), second through hole (6), notch (7) and column (8) are all made of silicone.

6. The anti-wear protective sleeve for electric bicycle wiring harnesses according to claim 1, characterized in that, Each of the aforementioned columns (8) has a spherical shape processed at one end.

7. The anti-wear protective sleeve for electric bicycle wiring harnesses according to claim 1, characterized in that, Multiple blocks (3) are arrayed between the inner sleeve (1) and the outer sleeve (2).