JPH0294975U

JPH0294975U -

Info

Publication number: JPH0294975U
Application number: JP402789U
Authority: JP
Priority date: 1989-01-17
Filing date: 1989-01-17
Publication date: 1990-07-27

Description

[Brief explanation of drawings]

第１図は、本考案に係る弁装置の断面正面図、
第２図は、従来の弁装置を示す断面正面図である
。１……弁装置、１１……ハウジング、１３……
弁座穴（嵌入穴）、２１……弁座、２１ａ……弁
穴、２２……Ｏリング（パツキン）、２４……弁
体、２８……保持部材、２９……嵌合穴。 FIG. 1 is a cross-sectional front view of a valve device according to the present invention;
FIG. 2 is a sectional front view showing a conventional valve device. 1... Valve device, 11... Housing, 13...
Valve seat hole (fitting hole), 21...valve seat, 21a...valve hole, 22...O ring (packet), 24...valve body, 28...holding member, 29...fitting hole.

Claims

[Claims for Utility Model Registration] A housing, an annular valve seat installed in a valve seat hole formed in the housing and having a valve hole in the center, and a valve body for closing or opening the valve hole. In the valve device, the inner diameter of the valve seat hole is larger than the outer diameter of the valve seat, and between the outer circumferential surface of the valve seat and the inner circumferential surface of the valve seat hole, A packing is attached to seal between these, and a holding member is formed in a fitting hole formed in the housing and is concentric with the valve seat hole, and a fitting hole that fits with the outer peripheral surface of the valve seat is formed. A valve device fitted into the valve device, wherein the valve seat is positioned concentrically with the valve seat hole by the holding member.