Wear-resistant wire harness assembly for vehicle

Abstract

The utility model discloses a wear-resistant vehicle wire harness assembly which comprises a first joint and a second joint arranged on the right side of the first joint, and the first joint and the second joint are connected through a wire harness body. The wire harness body is composed of a wear-resistant layer, a flame-retardant layer, a heat-insulating layer, a reinforcing layer, an elastic layer, a shielding layer, an insulating layer, a wire core and a separation insulating column. Through the arrangement of the wear-resistant layer, the wear-resistant effect of the surface of the wire harness body is improved, the phenomenon that the wire harness is abraded with the internal structure of a vehicle after being used for a long time is reduced, and therefore the service life of the wire harness is prevented from being influenced, through the arrangement of the flame-retardant layer, the flame-retardant effect of the wire harness body is improved, the safety in use is improved, and through the arrangement of the heat insulation layer, the service life of the wire harness is prolonged. The heat insulation effect of the wire harness body is improved, the strength of the wire harness body is improved through the arrangement of the reinforcing layer, the service life of the wire harness body is further prolonged, and the insulation effect of the wire core is improved through the arrangement of the insulation layer.

Description

Technical Field

[0001] This utility model relates to the field of wiring harness technology, specifically to a wear-resistant wiring harness assembly for vehicles. Background Technology

[0002] Automotive wiring harnesses are the main network of automotive circuits; without wiring harnesses, there would be no automotive circuits. A wiring harness is an assembly consisting of copper stamped contact terminals crimped to wires and cables, then covered with plastic insulation or an outer metal shell, and bundled together to form a connected circuit.

[0003] According to application number CN202320412156.5, an electric vehicle communication harness assembly is disclosed, which relates to the field of electric vehicle accessories technology. The present invention includes a harness assembly body, which includes a connecting wire. A first connector and a second connector are respectively installed at both ends of the connecting wire. Protective devices are installed at the port connections of the connecting wire with the first connector and the second connector. The surface of the connecting wire is detachably fitted with uniformly distributed fixing devices. The fixing devices include a fixing base, and a retaining ring is detachably installed on the top surface of the fixing base.

[0004] The above-mentioned wiring harnesses have poor surface abrasion resistance, which makes the wires prone to friction with the internal structure of the vehicle body during use, resulting in wear on the surface of the wires and seriously affecting their service life. In addition, the poor heat insulation of the wires means that external heat can affect the wire core. To address this, we provide a wear-resistant wiring harness assembly for vehicles. Utility Model Content

[0005] The purpose of this invention is to provide a wear-resistant wiring harness assembly for vehicles to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, the present invention provides the following technical solution: a wear-resistant vehicle wiring harness assembly, comprising a first connector and a second connector disposed to the right of the first connector, wherein the first connector and the second connector are connected by a wiring harness body, the wiring harness body comprising a wear-resistant layer, a flame-retardant layer, a heat-insulating layer, a reinforcing layer, an elastic layer, a shielding layer, an insulating layer, a wire core and a separating insulating post, wherein the flame-retardant layer is disposed on the inner wall of the wear-resistant layer.

[0007] Preferably, the heat insulation layer is disposed on the inner wall of the flame retardant layer, the reinforcing layer is disposed on the inner wall of the heat insulation layer, the elastic layer is disposed on the inner wall of the reinforcing layer, the shielding layer is disposed on the inner wall of the elastic layer, the insulating layer is disposed on the inner wall of the shielding layer, the number of wire cores is several and they are respectively disposed on the inner wall of the insulating layer, and the separating insulating post is disposed inside the insulating layer.

[0008] Preferably, the flame-retardant layer is made of silicone rubber, the wear-resistant layer is made of ultra-high molecular weight polyethylene, and the heat-insulating layer is composed of an outer aluminum foil layer and an inner glass fiber layer.

[0009] Preferably, the reinforcing layer is made of nylon fiber, and the elastic layer is made of thermoplastic polyurethane elastomer.

[0010] Preferably, the shielding layer is made of galvanized steel wire mesh, and the insulating layer is made of ethylene propylene rubber.

[0011] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0012] This invention improves the wear resistance of the wire harness surface by adding a wear-resistant layer, reducing wear caused by prolonged use and interaction with the vehicle's internal structure, thus preventing impact on its service life. It also enhances the flame-retardant effect of the wire harness by adding a flame-retardant layer, improving safety during use. Furthermore, it improves the heat insulation effect of the wire harness by adding a heat insulation layer, preventing external heat from affecting the wire core. The reinforcement layer increases the strength of the wire harness, thereby extending its service life. Additionally, it improves the elasticity of the wire harness by adding an elastic layer. Finally, it enhances the shielding effect of the wire harness by adding a shielding layer, preventing external signals from interfering with the transmission of information. Finally, it improves the insulation effect of the wire core by adding an insulation layer. Attached Figure Description

[0013] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0014] Figure 2 This is a three-dimensional structural diagram of the wire harness body of this utility model.

[0015] In the diagram: 1 First connector, 2 Second connector, 3 Wire harness body, 31 Wear-resistant layer, 300 Flame-retardant layer, 32 Heat insulation layer, 33 Reinforcing layer, 34 Elastic layer, 35 Shielding layer, 36 Insulation layer, 37 Wire core, 38 Separating insulation post. Detailed Implementation

[0016] 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.

[0017] Please see Figure 1-2A wear-resistant vehicle wiring harness assembly includes a first connector 1 and a second connector 2 disposed to the right of the first connector 1. The first connector 1 and the second connector 2 are connected by a wiring harness body 3. The wiring harness body 3 is composed of a wear-resistant layer 31, a flame-retardant layer 300, a heat insulation layer 32, a reinforcing layer 33, an elastic layer 34, a shielding layer 35, an insulating layer 36, a wire core 37, and insulating separators 38. The flame-retardant layer 300 is disposed on the inner wall of the wear-resistant layer 31 and is made of silicone rubber. Silicone rubber has the effects of high temperature resistance, low temperature resistance, high insulation, antistatic properties, corrosion resistance, aging resistance, and wear resistance. The wear-resistant layer 31 is made of ultra-high molecular weight polyethylene (UHMWPE), which has impact resistance, high strength, corrosion resistance, weather resistance, and wear resistance. The heat insulation layer 32 is disposed on the inner wall of the flame-retardant layer 300. The heat insulation layer 32 is composed of an outer layer of aluminum foil and an inner layer of glass fiber. The reinforcing layer 33 is disposed on the inner wall of the heat insulation layer 32 and is made of nylon fiber. Nylon fiber has high tensile strength, tear resistance, wear resistance, high elasticity, corrosion resistance and weather resistance. The elastic layer 34 is disposed on the inner wall of the reinforcing layer 33 and is made of thermoplastic polyurethane elastomer. The shielding layer 35 is disposed on the inner wall of the elastic layer 34 and is made of galvanized steel wire mesh. The insulating layer 36 is disposed on the inner wall of the shielding layer 35 and is made of ethylene propylene rubber. Ethylene propylene rubber has high temperature resistance, low temperature resistance, corona resistance, high insulation, elasticity and flexibility. There are several wire cores 37 and they are disposed on the inner wall of the insulating layer 36. The insulating separator 38 is disposed inside the insulating layer 36.

[0018] By setting the wear-resistant layer 31, the wear resistance of the wire harness body 3 surface is improved, reducing the wear caused by long-term use of the wire harness and the internal structure of the vehicle, thereby avoiding affecting its service life. By setting the flame-retardant layer 300, the flame-retardant effect of the wire harness body 3 is improved, enhancing safety during use. By setting the heat insulation layer 32, the heat insulation effect of the wire harness body 3 is improved, preventing external heat from affecting the wire core 37. By setting the reinforcement layer 33, the strength of the wire harness body 3 is improved, thereby extending its service life. By setting the elastic layer 34, the elasticity of the wire harness body 3 is improved. By setting the shielding layer 35, the shielding effect of the wire harness body 3 is improved, preventing external signals from interfering with the information transmission of the wire harness body 3. By setting the insulation layer 36, the insulation effect of the wire core 37 is improved.

[0019] In summary, this wear-resistant vehicle wiring harness assembly solves the problems mentioned in the background art by providing a wear-resistant layer 31, a flame-retardant layer 300, a heat-insulating layer 32, a reinforcing layer 33, an elastic layer 34, a shielding layer 35, and an insulating layer 36.

[0020] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A wear-resistant vehicle wiring harness assembly characterized by: It includes a first connector (1) and a second connector (2) disposed to the right of the first connector (1). The first connector (1) and the second connector (2) are connected by a wire harness body (3). The wire harness body (3) is composed of a wear-resistant layer (31), a flame-retardant layer (300), a heat insulation layer (32), a reinforcing layer (33), an elastic layer (34), a shielding layer (35), an insulation layer (36), a wire core (37), and a separating insulation post (38). The flame-retardant layer (300) is disposed on the inner wall of the wear-resistant layer (31).

2. The abrasion-resistant vehicle harness assembly of claim 1, wherein: The heat insulation layer (32) is disposed on the inner wall of the flame retardant layer (300), the reinforcing layer (33) is disposed on the inner wall of the heat insulation layer (32), the elastic layer (34) is disposed on the inner wall of the reinforcing layer (33), the shielding layer (35) is disposed on the inner wall of the elastic layer (34), the insulating layer (36) is disposed on the inner wall of the shielding layer (35), the number of wire cores (37) is several and they are respectively disposed on the inner wall of the insulating layer (36), and the separating insulating pillar (38) is disposed inside the insulating layer (36).

3. The wear-resistant vehicle harness assembly of claim 2, wherein: The flame-retardant layer (300) is made of silicone rubber, the wear-resistant layer (31) is made of ultra-high molecular weight polyethylene, and the heat insulation layer (32) is composed of an outer aluminum foil layer and an inner glass fiber layer.

4. The wear-resistant vehicle wiring harness assembly according to claim 3, characterized in that: The reinforcing layer (33) is made of nylon fiber, and the elastic layer (34) is made of thermoplastic polyurethane elastomer.

5. The wear resistant vehicle harness assembly of claim 4, wherein: The shielding layer (35) is woven from galvanized steel wire mesh, and the insulating layer (36) is made of ethylene propylene rubber.

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