CN217333693U

CN217333693U - Cold-resistant automobile wire harness

Info

Publication number: CN217333693U
Application number: CN202123359382.1U
Authority: CN
Inventors: 顾伟凯
Original assignee: Jiangsu Huakai PKC Wire Harness Co Ltd
Current assignee: Jiangsu Huakai PKC Wire Harness Co Ltd
Priority date: 2021-12-30
Filing date: 2021-12-30
Publication date: 2022-08-30
Anticipated expiration: 2031-12-30

Abstract

The utility model discloses a cold-resistant car pencil, include: the cable core area comprises an inner conductor, an inner insulating layer and an inner cold-resistant layer, wherein the inner conductor is arranged at the inner position of the cable core area, a plurality of inner conductors are arranged, the inner insulating layer is arranged at the outer side position of the inner conductor, and the inner cold-resistant layer is arranged at the outer side position of the inner insulating layer; the outer functional area, outer functional area include, fire-retardant layer, outer cold-resistant cover, outer insulating layer, and fire-retardant layer sets up in the outside position of cable core area, and the outer position on fire-retardant layer is arranged in to outer cold-resistant cover, and outer insulating layer sets up in the outer one deck position of outer cold-resistant cover. The utility model discloses can effectively improve the stability of car pencil, give the car pencil with cold-resistant attribute simultaneously.

Description

Cold-resistant automobile wire harness

Technical Field

The utility model belongs to the technical field of automobile-used pencil, concretely relates to cold-resistant car pencil.

Background

The automobile wire harness is a network main body of an automobile circuit, and the automobile circuit does not exist without the wire harness. The wire harness is a component which is formed by pressing a contact terminal punched by a copper material and an electric wire and cable, then molding and pressing an insulator outside the contact terminal or adding a metal shell outside the contact terminal, and bundling the contact terminal with the wire harness to form a connecting circuit. The cold resistance of the existing automobile wire harness is poor, particularly for new energy automobiles, the cold resistance of the automobile wire harness can indirectly influence the service life and the endurance of an automobile battery, and meanwhile, the problems of instability and the like can occur.

Disclosure of Invention

For solving prior art's not enough, the utility model aims to provide a cold-resistant car pencil improves car pencil stability can, gives multiple cold-resistant attribute simultaneously.

In order to achieve the above object, the utility model adopts the following technical scheme:

a cold resistant automotive wire harness comprising: the cable core area comprises an inner conductor, an inner insulating layer and a plurality of inner cold-resistant layers, wherein the inner conductor is arranged at the inner position of the cable core area, the inner insulating layer is arranged at the outer side position of the inner conductor, and the inner cold-resistant layers are arranged at the outer side position of the inner insulating layer; outer functional area, outer functional area includes, fire-retardant layer, outer cold-resistant cover, outer insulating layer, fire-retardant layer set up in the outside position on cable core area, outer cold-resistant cover is established in the outside position on fire-retardant layer, outer insulating layer set up in the outside one deck position of outer cold-resistant cover.

Preferably, the thickness of the outer cold-resistant sleeve is greater than the thickness of the inner cold-resistant layer.

More preferably, the flame-retardant layer is woven by graphitized carbon fiber materials.

Further preferably, the inner cold-resistant layer and the outer cold-resistant sleeve are mainly made of polyurethane materials.

Specifically, the number of the cable cores is 3, and the cable cores form a triangular internal structure.

Preferably, the inner conductor is stranded by tinned copper wires.

The utility model discloses an useful part lies in: the utility model discloses a dual design of interior cold-resistant layer and outer cold-resistant cover has been given the utility model discloses car pencil is with better cold-resistant attribute, simultaneously, the thickness of outer cold-resistant cover will be greater than interior cold-resistant layer, under the outside low temperature condition, the outer difficult influence that receives the temperature can guarantee car pencil effective work, and the inner structure of triangle-shaped design more helps simultaneously the utility model discloses the stability of structure makes insulating attribute better through the design of inside and outside two-layer insulating layer, has fire-retardant function simultaneously concurrently.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention;

the meaning of the reference symbols in the figures: 1. the cable comprises a cable core area, 2, an inner conductor, 3, an inner insulating layer, 4, an inner cold-resistant layer, 5, an outer functional area, 6, a flame-retardant layer, 7, an outer cold-resistant sleeve and 8, and an outer insulating layer.

Detailed Description

Embodiments of the present application will be described in detail with reference to the drawings and examples, so that how to implement technical means to solve technical problems and achieve technical effects of the present application can be fully understood and implemented.

Referring to fig. 1, the utility model discloses a cold-resistant car pencil, include: the cable core area 1, the cable core area 1 includes, inner conductor 2, inner insulating layer 3, inner cold-resistant layer 4, the inner conductor 2 is set up in the inner position of the cable core area 1, there are a plurality of inner conductors 2, the inner insulating layer 3 is set up in the outer position of the inner conductor 2, the inner cold-resistant layer 4 is set up in the outer position of the inner insulating layer 3; outer functional area 5, outer functional area 5 include, fire-retardant layer 6, outer cold-resistant cover 7, outer insulating layer 8, fire-retardant layer 6 sets up in the outside position of cable core area 1, and outer cold-resistant cover 7 sets up in the outside position of fire-retardant layer 6, and outer insulating layer 8 sets up in the outside one deck position of outer cold-resistant cover 7, the utility model discloses an inside and outside two-layer dual design can play the effect that improves stability, and cold-resistant layer 4 improves cold-resistant performance in setting up through the outside at inner conductor 2, and arrangement of inner insulating layer 3 has possessed insulating properties, simultaneously, through being provided with outer cold-resistant cover 7 in the outside, can play the cold-resistant effect of second, and outer insulating layer 8's design can make the utility model discloses have insulating properties more.

The thickness of outer cold-resistant cover 7 is greater than the thickness of interior cold-resistant layer 4, because the setting position of outer cold-resistant cover 7 is more outside, and under the low temperature condition, the temperature in the outside is lower, so thicker outer cold-resistant cover 7's cold resistance is better.

The flame-retardant layer 6 is woven by graphitized carbon fiber materials, the graphitized carbon fiber materials have better flame-retardant effect and low cost, and are easy to manufacture and use.

The inner cold-resistant layer 4 and the outer cold-resistant sleeve 7 are mainly made of polyurethane materials, a large amount of thermoplastic polyurethane materials are used for manufacturing and using cold-resistant materials, and the polyurethane materials have good cold-resistant property.

The quantity of cable core area 1 is 3 groups, and cable core area 1 constitutes triangle-shaped's inner structure, through the utility model discloses inside sets up the cable core area 1 that the triangle was arranged, can make the utility model discloses car wiring harness's structure is more stable, and triangle-shaped's overall arrangement is more stable high-efficient.

The inner conductor 2 is formed by twisting tinned copper wires, and the conductivity of the tinned copper wires is better than that of pure copper wires and oxygen-free copper wires.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It should be understood by those skilled in the art that the above embodiments do not limit the present invention in any way, and all technical solutions obtained by adopting equivalent replacement or equivalent transformation fall within the protection scope of the present invention.

Claims

1. A cold-resistant automotive wiring harness, comprising:

the cable core area comprises an inner conductor, an inner insulating layer and a plurality of inner cold-resistant layers, wherein the inner conductor is arranged at the inner position of the cable core area, the inner insulating layer is arranged at the outer side position of the inner conductor, and the inner cold-resistant layers are arranged at the outer side position of the inner insulating layer;

the cable comprises an outer functional area, a cable core area and a cable core area, wherein the outer functional area comprises a flame-retardant layer, an outer cold-resistant sleeve and an outer insulating layer, the flame-retardant layer is arranged at the outer side position of the cable core area, the outer cold-resistant sleeve is arranged at the outer side position of the flame-retardant layer, and the outer insulating layer is arranged at one layer of the outer position of the outer cold-resistant sleeve; the number of the cable core areas is 3, and the cable core areas form a triangular internal structure.

2. The cold-resistant automotive wire harness of claim 1, wherein the thickness of the outer cold-resistant jacket is greater than the thickness of the inner cold-resistant layer.

3. The cold-resistant automotive wiring harness of claim 1, wherein the flame retardant layer is woven from graphitized carbon fiber material.

4. The cold-resistant automotive wire harness of claim 1, wherein the inner cold-resistant layer and the outer cold-resistant jacket are constructed primarily of polyurethane material.

5. The cold-resistant automotive wire harness of claim 1, wherein the inner conductor is stranded from tinned copper wires.