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Waterproof plug

A waterproof plug, inner peripheral technology, applied in the direction of electrical equipment casing/cabinet/drawer, electrical components, base/casing, etc., can solve the problems of gap, water resistance, etc.

Active Publication Date: 2015-03-25
YAZAKI CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The above-mentioned conventional waterproof plug has a concern of creating a gap between the bent electric wire and the resin member
In addition, when avoiding such concerns by making the resin member thicker over the entire circumference and reducing the bending range of the electric wire, there is a risk of lowering the waterproofness due to a decrease in the rubber filling factor which is the ratio of the rubber to the electric wire insertion hole

Method used

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Embodiment Construction

[0038] An embodiment of the present invention will be described in detail below with reference to the accompanying drawings.

[0039] figure 1 (a) to 1(d) are views showing the waterproof plug 1 of the present embodiment. figure 2 (a) and 2(b) are perspective views showing the resin member 2 of the waterproof plug 1 . image 3 (a) and 3(b) are views showing a sealing structure using the cavity 41 of the waterproof plug 1 . In addition, arrows F and B in the figure show the front and rear directions of the waterproof plug 1 . In addition, arrows U and L in the figure show the upward and downward directions of the waterproof plug 1 .

[0040] figure 1 The waterproof plug 1 shown in (a) to 1(d) is a plug that is attached to a cavity 41 of a connector housing or the like (see image 3 (a) and image 3 (b)) and seal the gap between the cavity 41 and the electric wire 5 pulled out from the cavity 41 . The waterproof plug 1 includes a cylindrical resin member 2 and a sealing ...

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PUM

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Abstract

A waterproof plug capable of improving waterproofness is provided. In a waterproof plug 1, the outside and the inside of a cylindrical resin member 2 are provided with a sealing section 3 including an outer circumference section 30 which intimately contacts to an inner wall face of a cavity 41 existing within a connector housing 4, and an inner circumference section 33 which intimately contacts to an outer circumference face of an electric wire 5, the electric wire 5 pulled out of the cavity 41 being inserted into the inner circumference section 33, and a contacting section 21 a of the resin member 2 is brought into contact with an inner wall face of an edge section 41 a of the connector housing 4 in which the electric wire 5 is pulled out of the cavity 41. The resin member 2 is provided with a plurality of protruded claw sections 211 protruding toward the side of the inner circumference section 33 along the circumference direction.

Description

technical field [0001] The invention relates to a waterproof plug. Background technique [0002] In the waterproof plug disclosed in the following Patent Document 1, a cylindrical resin member is buried to surround the covered electric wire, and when the electric wire is bent, contact between the electric wire and the electric wire insertion hole of the shield case is avoided by bringing the electric wire into contact with the resin member. The direct contact of the wire and the sliding contact between the wire and the wire insertion hole prevent the wire from being damaged. [0003] prior art literature [0004] patent documents [0005] Patent Document 1: Japanese Patent Document JP-A-2009-123584 [0006] The technical problem that the present invention intends to solve [0007] The above-mentioned conventional waterproof plug has a concern of creating a gap between the bent electric wire and the resin member. Furthermore, when avoiding such concerns by making the res...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01R13/52H01R13/56
CPCH05K5/069H01R13/5205H01R13/56
Inventor 小林政树冈本健一
Owner YAZAKI CORP
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