Flame-retardant wear-resistant wire harness

Abstract

The utility model discloses a flame-retardant wear-resistant wire harness, which comprises a lead. The outer surfaces of the wires and the insulating filling parts are wrapped with insulating layers, the outer surfaces of the insulating layers are shielding layers, the outer surfaces of the shielding layers are flame-retardant composite layers, and the outer surfaces of the flame-retardant composite layers are wear-resistant protective layers. According to the utility model, the flame-retardant composite layer, the wear-resistant protective layer and the supporting skeleton are arranged to enable the shielding layer and the insulating layer to form a filling space, the flame retardant is injected into the filling space and wraps the supporting skeleton, and the flame retardant is solidified to form an effective flame-retardant layer, so that the wire harness can be effectively prevented from being damaged and short-circuited; and the convex grinding part arranged on the surface of the wear-resistant protective layer can play a role in preventing collision and friction with other parts, so that the probability of damage is reduced.

Description

Technical Field

[0001] The utility model belongs to the technical field of automobile wiring harnesses, and in particular relates to a flame-retardant and wear-resistant wiring harness. Background Art

[0002] The number of new energy smart cars in use is increasing year by year. Their main features are battery motor drive and intelligent driving. The wiring harnesses for the electrical connections of various components inside the car all use high-voltage or anti-interference wiring harnesses to adapt to high-voltage power transmission and signal transmission. High-voltage power transmission wiring harnesses are prone to heat up, and short circuits are prone to cause fires when the surface is damaged. In order to reduce the occurrence of such accidents, a flame-retardant and wear-resistant wiring harness is provided. Utility Model Content

[0003] In view of this, the technical problem to be solved by the utility model is to provide a flame retardant and wear-resistant wiring harness, which solves the problem that high-voltage wiring harnesses in the prior art are prone to cause fires.

[0004] In order to solve the above technical problems, the utility model discloses a flame retardant and wear-resistant wiring harness, comprising: a conductor; an insulating filling part is provided between the gaps between the multiple conductors, the conductors and the outer surfaces of the insulating filling part are wrapped with an insulating layer, the outer surface of the insulating layer is a shielding layer, the outer surface of the shielding layer is a flame retardant composite layer, and the outer surface of the flame retardant composite layer is a wear-resistant protective layer.

[0005] Furthermore, the flame retardant composite layer comprises a flame retardant and a supporting skeleton embedded in the flame retardant.

[0006] Furthermore, the supporting frame is in the shape of a tube, and its outer surface forms a plurality of supporting surfaces protruding outward, and its inner surface forms a plurality of supporting surfaces protruding inward, which are arranged in an alternating manner.

[0007] Furthermore, the radial cross-section of the supporting frame is wavy.

[0008] Furthermore, the supporting frame is covered with through holes.

[0009] Furthermore, the wear-resistant protective layer is provided with a plurality of convex grinding parts which are axially extended and linearly arranged, and the convex grinding parts are annular in shape, and the outer surface of the convex grinding parts is covered with convex points.

[0010] Compared with the prior art, the present application can obtain the following technical effects:

[0011] The utility model is provided with a flame retardant composite layer and a wear-resistant protective layer. The supporting skeleton enables the shielding layer and the insulating layer to form a filling space. The flame retardant is injected into the filling space and wraps the supporting skeleton. After solidification, an effective flame retardant layer is formed, which can also effectively protect the wiring harness from damage and short circuit. The convex grinding part arranged on the surface of the wear-resistant protective layer can protect it from collision and friction with other components, thereby reducing the probability of damage.

[0012] Of course, any product implementing this application does not necessarily need to achieve all of the technical effects described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The drawings described herein are used to provide a further understanding of the present application and constitute a part of the present application. The illustrative embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation on the present application. In the drawings:

[0014] Figure 1 is a schematic diagram of a cross section of a wiring harness according to an embodiment of the present utility model;

[0015] Figure 2 It is a schematic diagram of a radial cross section of a wire harness according to an embodiment of the present utility model.

[0016] Figure ID

[0017] Conductor 1, insulating filling part 2, insulating layer 3, shielding layer 4, flame retardant composite layer 5, wear-resistant protective layer 6, flame retardant 7, supporting skeleton 8, supporting surface 9, through hole 10, convex grinding part 11, and convex point 12. DETAILED DESCRIPTION

[0018] The following will describe the implementation methods of the present application in detail with the help of accompanying drawings and examples, so that the implementation process of how the present application uses technical means to solve technical problems and achieve technical effects can be fully understood and implemented accordingly.

[0019] Please refer to Figure 1 and Figure 2 , Figure 1 is a schematic diagram of a cross section of a wiring harness according to an embodiment of the present utility model; Figure 2 It is a schematic diagram of a radial cross section of a wire harness according to an embodiment of the present utility model.

[0020] A flame-retardant and wear-resistant wiring harness comprises: a conductor 1; an insulating filling portion 2 is provided between gaps between the conductors 1; an insulating layer 3 is wrapped around the outer surfaces of the conductors 1 and the insulating filling portion 2; the outer surface of the insulating layer 3 is a shielding layer 4; the outer surface of the shielding layer 4 is a flame-retardant composite layer 5; and the outer surface of the flame-retardant composite layer 5 is a wear-resistant protective layer 6.

[0021] The flame-retardant composite layer 5 comprises a flame retardant 7 and a supporting skeleton 8 buried in the flame retardant 7. The supporting skeleton 8 is in the shape of a tube, and its outer surface forms a plurality of supporting surfaces 9 protruding outward, and its inner surface forms a plurality of supporting surfaces 9 protruding inward, which are arranged alternately with each other; the radial cross-section of the supporting skeleton 8 is wavy, and the supporting skeleton 8 is covered with through holes 10; the wear-resistant protective layer 6 is provided with a plurality of axially extending linearly arranged convex grinding portions 11, which are in an annular shape, and its outer surface is covered with protrusions 12.

[0022] In summary, the utility model is provided with a flame-retardant composite layer 5 and a wear-resistant protective layer 6. The supporting skeleton 8 enables the shielding layer 4 and the insulating layer 3 to form a filling space. The flame retardant 7 is injected into the filling space and wraps the supporting skeleton 8. After solidification, an effective flame-retardant layer is formed, which can also effectively protect the wiring harness from damage and short circuit; the convex grinding part 11 arranged on the surface of the wear-resistant protective layer 6 can protect it from collision and friction with other components, reducing the probability of damage.

[0023] The above description shows and describes several preferred embodiments of the utility model, but as mentioned above, it should be understood that the utility model is not limited to the form disclosed herein, and should not be regarded as excluding other embodiments, but can be used in various other combinations, modifications and environments, and can be modified within the scope of the utility model concept described herein through the above teachings or the technology or knowledge of the relevant field. The changes and modifications made by those skilled in the art do not deviate from the spirit and scope of the utility model, and should be within the scope of protection of the claims attached to the utility model.

Claims

1. A flame retardant and wear resistant wiring harness, comprising: wire; It is characterized in that an insulating filling part is provided between the gaps between the multiple wires, the wires and the outer surfaces of the insulating filling part are wrapped with an insulating layer, the outer surface of the insulating layer is a shielding layer, the outer surface of the shielding layer is a flame retardant composite layer, and the outer surface of the flame retardant composite layer is a wear-resistant protective layer.

2. The flame retardant and wear resistant wiring harness according to claim 1, characterized in that: The flame retardant composite layer comprises a flame retardant and a supporting skeleton embedded in the flame retardant.

3. The flame retardant and wear resistant wiring harness according to claim 2, characterized in that: The supporting frame is in the shape of a tube, and its outer surface forms a plurality of supporting surfaces protruding outwards, and its inner surface forms a plurality of supporting surfaces protruding inwards, which are arranged in a staggered manner.

4. The flame retardant and wear resistant wiring harness according to claim 3, characterized in that: The radial cross section of the supporting frame is in a wave shape.

5. The flame retardant and wear resistant wiring harness according to claim 4, characterized in that: The supporting frame is covered with through holes.

6. The flame retardant and wear resistant wiring harness according to claim 1, characterized in that: The wear-resistant protective layer is provided with a plurality of convex grinding parts which are axially extended and linearly arranged. The convex grinding parts are in an annular shape and the outer surfaces thereof are covered with convex points.

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