Automobile wire wiring assembly

By using a combined structure of a first heat shrink tube, a second heat shrink tube and a variable diameter reinforcement layer in an automotive wire connection assembly, and providing an anti-slip column inside, the problem of loose wire connections is solved, achieving higher connection stability and structural strength.

CN223462421UActive Publication Date: 2025-10-21HONGXI (SHANGHAI) AUTO PARTS REMANUFACTURING CO LTD
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Patent Information

Application Number
CN202422943577.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-02
Publication Date
2025-10-21
Estimated Expiration
2034-12-02

AI Technical Summary

Technical Problem

In existing automotive wiring repairs, the use of electrical tape to wrap the connections is prone to aging and loosening, resulting in low connection strength and easy disconnection again.

Method used

A combined structure including a first heat shrink tube, a second heat shrink tube and a variable diameter reinforcement layer is adopted, with an anti-stripping column inside. The anti-stripping column consists of a fixing seat, an anti-puncture column and an anti-stripping column to enhance the connection stability.

Benefits of technology

The stability of the wire connection is improved, loosening and re-breakage are prevented, and the structural strength is enhanced.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223462421U_ABST
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Abstract

The utility model discloses an automobile wire wiring assembly, which comprises a first heat shrink tube, a second heat shrink tube and a variable-diameter reinforcing layer, the variable-diameter reinforcing layer is used for reinforcing the stability of the first heat shrink tube and the second heat shrink tube after being heated and shrunk, and a plurality of anti-drop columns are uniformly arranged in the first heat shrink tube. The anti-falling column is used for preventing the connected wire from being opened, and the stability of the connecting position is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the field of automobile circuit maintenance, specifically relates to an automobile electric wire wiring assembly. BACKGROUND

[0002] The automobile wire harness is the network main body of the automobile circuit, and there is no automobile circuit without the wire harness. The wire harness refers to the assembly of connecting circuits formed by the wire harness ligation after the contact terminal (connector) made of copper material is pressed and connected with the electric wire cable, and the outside is pressed and insulated or the metal shell is added.

[0003] The automobile electric wire is also called low-voltage electric wire, which is different from the ordinary household electric wire. The ordinary household electric wire is a copper single-core electric wire with certain hardness, and the automobile electric wire is a copper multi-core soft wire, several or even dozens of soft copper wires are wrapped in a plastic insulation tube (polyvinyl chloride).

[0004] If a single or multiple lines in the multi-core line are damaged and broken, in order to save the cost during the maintenance, the electrician tape is usually used to connect the damaged line and then to be wrapped, which is convenient and efficient, but the wrapping will be aged with the time, resulting in loose connection. In most cases, the structure strength of the maintenance part is very low, and the maintenance part is easy to be disconnected again once the pulling occurs. UTILITY MODEL CONTENTS

[0005] The utility model discloses a kind of automobile electric wire wiring assemblies, it is characterized by: including first heat shrink tube, second heat shrink tube and variable-diameter reinforcing layer, the variable-diameter reinforcing layer is arranged between first heat shrink tube and second heat shrink tube, first heat shrink tube, variable-diameter reinforcing layer and second heat shrink tube are set by inside to outside once, and the variable-diameter reinforcing layer is used to strengthen the stability of first heat shrink tube and second heat shrink tube after heat shrinkage, the first heat shrink tube is uniformly provided with several anti-extraction columns, the anti-extraction column is used to avoid that the electric wire of connection is opened, the anti-extraction column includes fixed seat, anti-puncture column and anti-extraction thorn, the fixed seat is fixedly connected with the inner wall of first heat shrink tube and is arranged, the anti-puncture column is fixedly connected with fixed seat, and the anti-extraction thorn is arranged in anti-puncture column interior.

[0006] As a preferred scheme: the fixed seat is integrally arranged with the inner wall of first heat shrink tube, and the height of the anti-puncture column is greater than the height of the anti-extraction thorn, which can prevent the tip of the anti-extraction thorn from being exposed.

[0007] As a preferred scheme: the heat shrinkage rate of the first heat shrink tube is greater than the heat shrinkage rate of the second heat shrink tube.

[0008] As a preferred solution: the variable diameter reinforcement layer is made of a braided mesh, and the braided mesh can be passively changed in diameter and fixed between the first heat shrinkable tube and the second heat shrinkable tube according to the thermal contraction of the first heat shrinkable tube and the second heat shrinkable tube.

[0009] As a preferred solution: the stab-proof column is made of heat-shrinkable material.

[0010] As a preferred solution: the height of the anti-stripping and puncture-proof protruding column is less than the thickness of the wire casing.

[0011] Due to the adoption of the above technical solution, compared with the prior art, the advantages of the present invention are:

[0012] The utility model discloses an automobile wire connection assembly, comprising a first heat shrink tube, a second heat shrink tube and a variable diameter reinforcement layer, wherein the variable diameter reinforcement layer is used to enhance the stability of the first heat shrink tube and the second heat shrink tube after heat shrinkage, and a plurality of anti-detachment columns are evenly arranged inside the first heat shrink tube, and the anti-detachment columns are used to prevent the connected wires from breaking apart and increase the stability of the connection.

[0013] The present invention will be further described below with reference to the accompanying drawings and specific embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Attachment Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0015] Attachment Figure 2 It is a schematic diagram of the relative position relationship between the anti-slip column and the inner wall of the first heat shrink tube of the present invention.

[0016] Attachment Figure 3 It is attached Figure 2 A is an enlarged schematic diagram.

[0017] Attachment Figure 4 This is a state diagram of the anti-fall-off column in the utility model when in use. DETAILED DESCRIPTION

[0018] Example: As shown in the attached Figure 1 To the attached Figure 3As shown in the figure, an automobile wire wiring assembly includes a first heat shrink tube 1, a second heat shrink tube 2 and a variable diameter reinforcing layer 3, the variable diameter reinforcing layer 3 is arranged between the first heat shrink tube 1 and the second heat shrink tube 2, the first heat shrink tube 1, the variable diameter reinforcing layer 3 and the second heat shrink tube 2 are arranged from inside to outside, the variable diameter reinforcing layer 3 is used to strengthen the stability of the first heat shrink tube 1 and the second heat shrink tube 2 after heat shrinkage, the first heat shrink tube 1 is uniformly provided with a plurality of anti-extraction columns 4 inside, the anti-extraction column 4 is used to avoid the connected wire from being pulled apart, the anti-extraction column 4 includes a fixed seat 41, a anti-piercing column 42 and an anti-extraction spike 43, the fixed seat 41 is fixedly connected with the inner wall of the first heat shrink tube 1, the anti-piercing column 42 is fixedly connected with the fixed seat 41, the anti-extraction spike 43 is arranged inside the anti-piercing column 42, and the anti-extraction spike 43 is made of metal material.

[0019] The fixed seat 41 is arranged integrally with the inner wall of the first heat shrink tube 1, and the height of the anti-piercing column 42 is greater than the height of the anti-extraction spike 43, so that the tip of the anti-extraction spike 43 is prevented from being exposed, and the inner wall of the first heat shrink tube 1 is prevented from being damaged during transportation, thereby affecting the structural strength of the first heat shrink tube 1.

[0020] The heat shrinkage rate of the first heat shrink tube 1 is greater than that of the second heat shrink tube 2, and such arrangement is to make the first heat shrink tube 1 shrink first and then the second heat shrink tube 2 shrink under the same temperature during use.

[0021] The variable diameter reinforcing layer 3 is made of woven mesh, the woven mesh can be made of metal woven mesh or nylon wire woven mesh, the woven mesh can be passively changed in diameter according to the heat shrinkage of the first heat shrink tube 1 and the second heat shrink tube 2 and fixed between the first heat shrink tube 1 and the second heat shrink tube 2, since the first heat shrink tube 1 shrinks first when heated, the variable diameter reinforcing layer 3 is made of woven mesh, so that the second heat shrink tube 2 will perform extrusion action on the variable diameter reinforcing layer 3 when shrinking, and the variable diameter reinforcing layer 3 will be tightened between the first heat shrink tube 1 and the second heat shrink tube 2 to achieve the effect of increasing the structural strength.

[0022] As shown in the figure, Figure 4 The anti-piercing column 42 is made of heat shrink material, and the anti-piercing column 42 shrinks to expose the anti-extraction spike 43 when heated, and the first heat shrink tube 1 and the second heat shrink tube 2 shrink to tighten the anti-extraction spike 43 into the outer skin of the repaired wire, thereby effectively preventing the wire from being pulled apart again.

[0023] The height of the anti-extraction spike 43 protruding from the anti-piercing column 42 is less than the thickness of the wire sleeve, and such arrangement can better prevent the metal conductor in the original wire from being damaged.

Claims

1. An automotive wire harness assembly, characterized by: The utility model relates to a variable-diameter heat shrinkable tube, which comprises a first heat shrinkable tube (1), a second heat shrinkable tube (2) and a variable-diameter reinforcing layer (3), the variable-diameter reinforcing layer (3) is arranged between the first heat shrinkable tube (1) and the second heat shrinkable tube (2), the first heat shrinkable tube (1), the variable-diameter reinforcing layer (3) and the second heat shrinkable tube (2) are arranged in a one-time sleeving mode from inside to outside, the variable-diameter reinforcing layer (3) is used for reinforcing the stability of the first heat shrinkable tube (1) and the second heat shrinkable tube (2) after heat shrinkage, the first heat shrinkable tube (1) is uniformly provided with a plurality of anti-disengagement columns (4) inside, the anti-disengagement columns (4) are used for preventing the disengagement of connected electric wires, the anti-disengagement columns (4) comprise a fixing seat (41), an anti-piercing column (42) and an anti-disengagement piercer (43), the fixing seat (41) is fixedly connected with the inner wall of the first heat shrinkable tube (1), the anti-piercing column (42) is fixedly connected with the fixing seat (41), and the anti-disengagement piercer (43) is arranged inside the anti-piercing column (42).

2. An automotive wire harness assembly according to claim 1, wherein: The fixing seat (41) is integrally arranged with the inner wall of the first heat shrinkable tube (1), the height of the anti-piercing column (42) is greater than the height of the anti-disengagement piercer (43), and the arrangement can prevent the tip of the anti-disengagement piercer (43) from being exposed.

3. An automotive wire harness assembly according to claim 2, wherein: The heat shrinkage rate of the first heat shrinkable tube (1) is greater than the heat shrinkage rate of the second heat shrinkable tube (2).

4. An automotive wire harness assembly according to claim 3, wherein: The variable-diameter reinforcing layer (3) is made of a woven mesh, the woven mesh can passively change the diameter according to the heat shrinkage of the first heat shrinkable tube (1) and the second heat shrinkable tube (2) and is fixed between the first heat shrinkable tube (1) and the second heat shrinkable tube (2).

5. An automotive wire harness assembly according to claim 3, wherein: The anti-piercing column (42) is made of a heat shrinkable material.

6. An automotive wire harness assembly according to any one of claims 1 to 5, characterized in that: The height of the anti-disengagement piercer (43) protruding from the anti-piercing column (42) is less than the thickness of the electric wire sleeve.