JPS5945360U

JPS5945360U - valve device

Info

Publication number: JPS5945360U
Application number: JP14242082U
Authority: JP
Inventors: 佐藤　軍雄; 黒瀬　誠二
Original assignee: トキコ株式会社
Priority date: 1982-09-20
Filing date: 1982-09-20
Publication date: 1984-03-26

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

第１図及び第２図は夫々従来の弁装置における゛弁座の
弁本体への取付けを説明するための部分拡大断面図、第
３図は本考案になる弁装置の一実施例の縦断面図、第４
図及び第５図は本考案弁装置における弁座の弁本体への
取付けを説明するための部分拡大断面図である。１・・・弁体、２．２′・・・弁座、２ｂ、　２ｂ’・
・・外周面、２ｄ・・・環状突部、３・・・弁本体、３
ａ・・・内周面、４ａ・・・流入路、４ｂ・・・流出路
、５．６・・・治具、　　　　　−７・・・弁装置、８
・・・蓋、１１・・・弁軸、１２・・・弁軸保持部材。1 and 2 are partially enlarged cross-sectional views for explaining the attachment of the valve seat to the valve body in a conventional valve device, respectively, and FIG. 3 is a longitudinal cross-sectional view of an embodiment of the valve device according to the present invention. Figure, 4th
5 and 5 are partially enlarged cross-sectional views for explaining the attachment of the valve seat to the valve body in the valve device of the present invention. 1... Valve body, 2.2'... Valve seat, 2b, 2b'.
...Outer peripheral surface, 2d...Annular protrusion, 3...Valve body, 3
a...Inner peripheral surface, 4a...Inflow path, 4b...Outflow path, 5.6...Jig, -7...Valve device, 8
... Lid, 11... Valve stem, 12... Valve stem holding member.

Claims

[Scope of utility model registration request]

In a valve device in which a valve body having a liquid flow path is provided with a valve seat having a cylindrical portion along the liquid flow path, a plurality of annular protrusions are provided on the outer periphery of the cylindrical portion of the valve seat. 1. A valve device in which a cylindrical portion of the valve seat is expanded in diameter and a plurality of annular protrusions of the valve seat are press-fitted to an inner circumferential surface of a liquid flow path.