Silicone resin glass fiber sleeve for automobile wire harness

Abstract

The utility model discloses a silicone resin glass fiber sleeve for an automobile wire harness, which comprises a protective outer layer, a ceramic fiber heat insulation layer, a reinforced isolation layer and a sleeve inner layer, the ceramic fiber heat insulation layer is distributed on the inner side of the protective outer layer, the reinforced isolation layer is distributed below the ceramic fiber heat insulation layer, and the sleeve inner layer is arranged in the protective outer layer. According to the silicon resin glass fiber sleeve for the automobile wire harness, the design structure of an existing silicon resin glass fiber sleeve for the automobile wire harness is improved, the abrasion resistance and the structural strength of the sleeve are improved through multiple layers of materials, the service life of the sleeve is prolonged, and the stability of the sleeve is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of silicone glass fibre sleeve for automobile wiring harness. BACKGROUND

[0002] The silicone glass fibre sleeve for automobile wiring harness is an insulating protective material. It has excellent high-temperature resistance, flame retardation, dielectric properties and softness, and is designed for automobile wiring harness, which can effectively isolate and protect the wire and cable, prevent short circuit, leakage and wear, and ensure the safe and stable operation of automobile circuit system.

[0003] The current silicone glass fibre sleeve for automobile wiring harness has poor wear resistance and insufficient structural strength. SUMMARY

[0004] The utility model discloses a kind of silicone glass fibre sleeve for automobile wiring harness, to solve the above technical problems.

[0005] To achieve the above object, the utility model adopts the following technical scheme:

[0006] A kind of silicone glass fibre sleeve for automobile wiring harness, including protective outer layer, ceramic fiber heat insulation layer, reinforcing isolation layer, sleeve inner layer, the protective outer layer inside is distributed with ceramic fiber heat insulation layer, the reinforcing isolation layer is distributed below ceramic fiber heat insulation layer, the sleeve inner layer is fixedly connected in reinforcing isolation layer inside.

[0007] On the basis of the above technical scheme, the protective outer layer includes polytetrafluoroethylene coating, fluorine rubber anticorrosive layer, silicone anti-uv layer, composite rubber layer, glass fiber braided layer, the fluorine rubber anticorrosive layer is distributed in the inside of polytetrafluoroethylene coating, the silicone anti-uv layer is distributed in the inside of fluorine rubber anticorrosive layer, the composite rubber layer is distributed in the inside of silicone anti-uv layer, and the glass fiber braided layer is distributed in the inside of composite rubber layer.

[0008] On the basis of the above technical scheme, the reinforcing isolation layer includes polyurethane layer, aramid fiber layer, polyimide resin coating, polyester film layer, alkali-free fiber braided layer, the aramid fiber layer is distributed below polyurethane layer, the polyimide resin coating is distributed in the inside of aramid fiber layer, the polyester film layer is distributed below polyimide resin coating, and the alkali-free fiber braided layer is fixedly connected in the inside of polyester film layer.

[0009] Compared with the prior art, the utility model has the following advantages: the utility model improves the design structure of the existing silicone glass fibre sleeve for automobile wiring harness, and improves the wear resistance and structural strength of the sleeve through multiple layers of materials, prolonging the service life and stability of the sleeve. BRIEF DESCRIPTION OF DRAWINGS

[0010] Fig. 1 It is the appearance structure schematic view of the utility model.

[0011] Fig. 2 It is the protective outer layer structure schematic view of the utility model.

[0012] Fig. 3 It is the enhanced isolation layer structure schematic view of the utility model.

[0013] In the drawing: 1. protective outer layer, 2. ceramic fiber heat insulation layer, 3. enhanced isolation layer, 4. sleeve inner layer, 5. polytetrafluoroethylene coating, 6. fluorine rubber anticorrosion layer, 7. silicone ultraviolet resistant layer, 8. composite rubber layer, 9. glass fiber braided layer, 10. polyurethane layer, 11. aramid fiber layer, 12. polyimide resin coating, 13. polyester film layer, 14. alkali-free fiber braided layer. DETAILED DESCRIPTION

[0014] The utility model will be further described in detail below in combination with the drawings and specific embodiments.

[0015] As Figs. 1-3 Indicated, a kind of silicone glass fiber sleeve for automobile wire harness, including protective outer layer 1, ceramic fiber heat insulation layer 2, enhanced isolation layer 3, sleeve inner layer 4, the protective outer layer 1 inside distribution has ceramic fiber heat insulation layer 2, the enhanced isolation layer 3 is distributed below ceramic fiber heat insulation layer 2, the sleeve inner layer 4 is fixedly connected in the inside of enhanced isolation layer 3.

[0016] The protective outer layer 1 includes polytetrafluoroethylene coating 5, fluorine rubber anticorrosion layer 6, silicone ultraviolet resistant layer 7, composite rubber layer 8, glass fiber braided layer 9, the inside distribution of polytetrafluoroethylene coating 5 has fluorine rubber anticorrosion layer 6, the silicone ultraviolet resistant layer 7 is distributed in the inside of fluorine rubber anticorrosion layer 6, the composite rubber layer 8 is distributed in the inside of silicone ultraviolet resistant layer 7, the glass fiber braided layer 9 is distributed in the inside of composite rubber layer 8.

[0017] The enhanced isolation layer 3 includes polyurethane layer 10, aramid fiber layer 11, polyimide resin coating 12, polyester film layer 13, alkali-free fiber braided layer 14, the polyurethane layer 10 below distribution has aramid fiber layer 11, the polyimide resin coating 12 is distributed in the inside of aramid fiber layer 11, the polyester film layer 13 is distributed below polyimide resin coating 12, the alkali-free fiber braided layer 14 is fixedly connected in the inside of polyester film layer 13.

[0018] The working principle of the utility model discloses: the novel structure strength of silica resin glass fiber sleeve pipe is improved through multilayer structure, wherein the composite rubber layer, glass fiber braided layer, aramid fiber layer and alkali-free fiber braided layer can effectively improve the wear resistance of the sleeve pipe, and the ceramic fiber heat insulation layer, silica resin ultraviolet protection layer and polyimide resin coating can significantly improve the corrosion resistance of the sleeve pipe.

[0019] The above is the preferred embodiment of the utility model, and for the ordinary skilled in the art, according to the teaching of the utility model, the change, modification, replacement and modification of the embodiment without departing from the principle and spirit of the utility model still fall within the protection scope of the utility model.

Claims

1. A silicone glass fibre sleeve for automotive wiring harnesses comprising a protective outer layer (1), a ceramic fibre thermal barrier layer (2), a reinforcing barrier layer (3), a sleeve inner layer (4), characterised in that: The protective outer layer (1) is internally distributed with a ceramic fiber heat insulation layer (2), the reinforced isolation layer (3) is distributed below the ceramic fiber heat insulation layer (2), and the sleeve inner layer (4) is fixedly connected to the inside of the reinforced isolation layer (3).

2. A silicone glass fibre sleeve for automotive wiring harness as claimed in claim 1, wherein: The protective outer layer (1) comprises a polytetrafluoroethylene coating layer (5), a fluororubber anticorrosion layer (6), a silicone anti-ultraviolet layer (7), a composite rubber layer (8), and a glass fiber woven layer (9), the polytetrafluoroethylene coating layer (5) is internally distributed with the fluororubber anticorrosion layer (6), the silicone anti-ultraviolet layer (7) is distributed on the inside of the fluororubber anticorrosion layer (6), the composite rubber layer (8) is distributed on the inside of the silicone anti-ultraviolet layer (7), and the glass fiber woven layer (9) is distributed on the inside of the composite rubber layer (8).

3. A silicone glass fibre sleeve for automotive wiring harness as claimed in claim 1, wherein: The reinforced isolation layer (3) comprises a polyurethane layer (10), an aramid fiber layer (11), a polyimide resin coating layer (12), a polyester film layer (13), and an alkali-free fiber woven layer (14), the polyurethane layer (10) is distributed below the aramid fiber layer (11), the polyimide resin coating layer (12) is distributed on the inside of the aramid fiber layer (11), the polyester film layer (13) is distributed below the polyimide resin coating layer (12), and the alkali-free fiber woven layer (14) is fixedly connected to the inside of the polyester film layer (13).

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