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Structure of solenoid valve attached to resin cover by insert-molding

A technology of insert molding and solenoid valve, which is applied in the direction of valve shell structure, multi-way valve, valve operation/release device, etc., and can solve the problems of undisclosed thermal deformation measures, thermal deformation, etc.

Inactive Publication Date: 2014-09-03
AISIN SEIKI KK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, due to the difference in thermal expansion coefficient between different materials such as a metal sleeve and a resin valve case, thermal deformation may occur, and the fixing of the oil control valve (corresponding to the solenoid valve of the present invention) disclosed in Document 1 structure, does not disclose any measures to deal with the above thermal deformation

Method used

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  • Structure of solenoid valve attached to resin cover by insert-molding
  • Structure of solenoid valve attached to resin cover by insert-molding
  • Structure of solenoid valve attached to resin cover by insert-molding

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Embodiment Construction

[0034] Below, refer to figure 1 and figure 2 , to describe the first embodiment of the solenoid valve structure fixed to the resin case by insert molding of the present invention.

[0035] The solenoid valve of the first embodiment has: a valve body 10 having a cylindrical shape and five fluid passages 10a, 10b, 10c, 10d, 10e; a spool 12 slidably accommodated in the valve body 10; The tube portion 13 (as a solenoid) is used to move the spool 12 in an axial manner.

[0036] The valve body 10 is made of metal such as aluminum alloy, and has a cylindrical shape. Five fluid passages 10 a , 10 b , 10 c , 10 d , 10 e are provided on the outer peripheral surface of the valve body 10 to allow fluid to flow between the inside and outside of the valve body 10 . Flanges 10 f , 10 g are provided on the outer peripheral surface of the valve body 10 so as to extend in the circumferential direction of the valve body 10 and protrude outward in the radial direction of the valve body 10 . ...

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Abstract

The invention discloses a structure of a solenoid valve fixed to a resin housing by insert molding, the solenoid valve comprises: a valve body (10), having a cylindrical shape and at least two fluid passages (10a, 10b, 10c, 10d, 10e); a valve core (12) accommodated in the valve body (10) and slidable within the valve body (10) in the axial direction relative to the valve body (10); and a solenoid (13) for Drive valve core (12); wherein a plurality of flanges (10f, 10g) are provided on the outer peripheral surface of the valve body (10), and at least one flange (10f, 10g) has through holes (10h, 10i, 10j, 10k, 10l), the through holes (10h, 10i, 10j, 10k, 10l) are formed in the axial direction with respect to the valve body (10).

Description

technical field [0001] The present invention relates to a structure of a solenoid valve fixed to a resin case by, for example, insert molding. More specifically, the present invention relates to a structure of a solenoid valve provided in, for example, an internal combustion engine and fixed to a resin case by insert molding. Background technique [0002] In the known fixing structure of the oil control valve disclosed in JP2006-29166A (reference 1), a metal sleeve (corresponding to the valve body and sleeve of the present invention) and a resin valve casing (corresponding to the casing of the present invention) ) integral inserts are molded and fixed to each other. More specifically, before the insert molding operation, a primer is applied to the outer peripheral surface of the metal sleeve so that the metal sleeve is fixed to the resin material forming the valve case. [0003] However, due to the difference in thermal expansion coefficient between different materials suc...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16K11/06F16K31/06F01M1/06F02F7/00
CPCB29K2995/0012Y10T137/6851F01L2001/3443B29K2705/02F16K11/07F01L2101/00F16K27/041F01L2103/00F01L2001/34433F01L2001/34426F16K31/0613F01L1/344B29C45/14311B29L2031/7506F02F7/006B29C2045/14327F16K27/048B29C45/14344Y10T137/7036F01L2301/00F01L2303/00
Inventor 吉良直树西垣笃史井口贵彦
Owner AISIN SEIKI KK