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Earth bolt

一种接地螺栓、螺纹的技术，应用在螺栓、螺钉、螺母等方向，能够解决不能够同时确保导电性和水密性等问题

Active Publication Date: 2014-02-19
IWATA BOLT CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0011] Since the function of obtaining electrical connection by extrusion and the function of obtaining watertightness are separately provided, conduction and watertightness are performed independently, and electrical conductivity and watertightness cannot be ensured at the same time.

Method used

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Examples

Experimental program
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Embodiment Construction

[0027] Hereinafter, embodiments of the present invention will be described with reference to the drawings.

[0028] Figure 1 to Figure 4 A first embodiment of the ground bolt 1 of the invention is shown.

[0029] exist figure 1 and figure 2 Among them, the grounding bolt 1 is a grounding bolt for electrical conduction with a mating part 20 formed with an insulating film 21, has a head 2 and a threaded portion 3, and is equipped with a raised portion 5, which is formed from the head 2 The supporting surface 4 protrudes and is formed in a continuous ring shape outside the threaded portion 3 . The fitting member 20 is formed of a metal material except for the insulating film 21 . The ground bolt 1 is also formed of a metallic material.

[0030] image 3 The arrangement relationship between the ground bolt 1 and the mating member 20 with the insulating film 21 formed on the surface is shown. When the ground bolt 1 is tightened with respect to the nut 18 , the protrusion 5...

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PUM

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Abstract

Provided is an earth bolt, the conductivity and water-tightness of which can be ensured simultaneously when being fastened and in which peeled-off coating pieces can be held inside so as not to be scattered to the outside. The earth bolt (1) is used by being electrically connected to a mating member (20) on which an insulating film (21) is formed, and is characterized in having a thread portion (3) and a head portion (2) and being equipped with a projection portion (5) projecting from the seating face (4) of the head portion and formed in a circular ring shape outside the thread portion capable of peeling off the insulating film.

Description

technical field [0001] The present invention relates to a grounding bolt for conducting electricity while being fastened when electric equipment is installed in a main body of an automobile or the like. Background technique [0002] When installing electric equipment in the casing of an automobile, etc., it is required to conduct electricity while tightening, so ground bolts are used. [0003] In the conventional method of using ground bolts, work is performed in the following manner, which consumes man-hours and costs. [0004] There are methods of stripping the coating of the frame and bolting the ground plate to the frame. In addition, there is also a method of connecting a ground terminal by screwing a bolt having a notch in the thread portion into a female thread installed in the frame to peel off the coating. [0005] However, the above conventional ground bolts have the following problems. It takes man-hours to peel off or apply the coating, and the workability is ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16B35/00F16B5/02
CPCH01R4/34F16B35/06F16B35/007H01R11/20H01R4/304F16B2001/0064F16B33/02F16B2200/93
Inventor 铃木喜英铃木信义小野益成
Owner IWATA BOLT CO LTD
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