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Automobile wire harness sheath

A technology for sheaths and automobiles, applied to electrical components, piezoelectric effect/electrostrictive or magnetostrictive motors, generators/motors, etc., can solve the problem of sheath pulling out, and achieve the effect of increasing rigidity

Active Publication Date: 2017-08-18
ZHEJIANG DAIDE LONGTREE AUTOMOBILE CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The present invention aims to provide a wire harness sheath for automobiles to solve the problem that the sheath is easily pulled out from the sheet metal hole in the prior art

Method used

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  • Automobile wire harness sheath

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Embodiment Construction

[0020] Hereinafter, the present invention will be described in detail with reference to the drawings and in conjunction with the embodiments. It should be noted that the embodiments of the present invention and the features in the embodiments can be combined with each other if there is no conflict.

[0021] Examples of wire harness sheaths for automobiles in the present invention: figure 1 As shown, the harness sheath includes a central sheath 1 through which the harness passes and a protective ring sleeve 2 connected to the sheet metal hole. The protective ring sleeve 2 and the central sheath 1 are made of rubber, and the protective ring sleeve 2 The strength is not higher than that of the central sheath 1; the protective ring sleeve 2 is a cap shape with a closed front end and an open rear end. The rear section of the protective ring sleeve 2 and the outer wall of the central sheath 1 enclose an annular cavity, and the protective ring sleeve 2 Piezoelectric crystal 3 is attach...

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Abstract

The invention relates to an automobile wire harness sheath. A piezoelectric crystal is fixed by adhering to an annular inner wall of a protective annular sleeve; an annular clamping groove is formed on an outer circumferential surface of the protection annular sleeve; an U-shaped annular chamber which is fitted and nested with the annular clamping groove is preset in the protection annular sheath; an electrorheological fluid which is conductively connected to the piezoelectric crystal through an electrode fills the U-shaped annular cavity; an annular fin which is positioned in the rear of the annular cavity is arranged on the outer wall of the rear end of a center sheath; the hardness of the annular fin is lower than that of the protection annular sheath and the periphery of the annular fin is expanded to the outer rim of the annular cavity; after the harness is pulled, the center sheath moves forward relative to the protection annular sheath, which makes the annular fin go into the U-shaped annular cavity to press the piezoelectric crystal; and the piezoelectric crystal is triggered to generate a power supply which exerts on the electrorheological liquid to make the electrorheological liquid electrified. The automobile wire harness sheath improves rigidity so as to prevent the protection annular sheath from coming off from a sheet metal hole.

Description

Technical field [0001] The invention belongs to the field of wire harness protection, and in particular relates to a wire harness sheath for automobiles. Background technique [0002] The general structure of the rubber sheath of the automobile wire harness through the sheet metal hole is: a round hole is opened in the middle of the rubber sheath to allow the wire harness to pass through, and a sleeve or tail is designed on one or both sides of the through hole of the rubber sheath to facilitate the use of tape to connect the wire harness Bundled with the rubber sheath, so that the rubber sheath and the harness do not move relative to each other. However, in actual use of this kind of rubber sheath, especially when the vehicle is in a state of non-uniform speed (such as when the vehicle is driving on a bumpy road or braking suddenly), or when the angle of the wire harness coming out of the sheath hole is large, due to the protection The sleeve is fixed on the sheet metal, and a ...

Claims

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Application Information

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IPC IPC(8): H02G3/04H02N2/18
CPCH02G3/0462H02N2/18
Inventor 张保民
Owner ZHEJIANG DAIDE LONGTREE AUTOMOBILE CO LTD
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