JPS58130166U

JPS58130166U - butterfly valve

Info

Publication number: JPS58130166U
Application number: JP2670282U
Authority: JP
Inventors: 青砥　孝治
Original assignee: 株式会社本山製作所
Priority date: 1982-02-26
Filing date: 1982-02-26
Publication date: 1983-09-02

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) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

第１図ＡおよびＢは従来のバタフライ弁を示す縦断側面
図およびその弁体の正面図、第２図ＡおよびＢは従来の
他のバタフライ弁を示す縦断側面図およびその弁体の正
面図である。第３図および第４図は本考案の一実施例を
示し、第３図は縦断側面図、第４図は第３図中ＩＶ−Ｉ
Ｖ線に沿う断面図である。１・・・弁箱、３・・・弁棒、３ａ・・・分断連結部、
７・・・弁体、８・・・環状取付溝、９・・パ弾性体弁
座、９ａ・・・端部、１１・・・シール保持溝。FIGS. 1A and B are a longitudinal side view and a front view of the valve body of a conventional butterfly valve, and FIGS. 2A and B are a longitudinal side view and a front view of the valve body of another conventional butterfly valve. be. 3 and 4 show one embodiment of the present invention, FIG. 3 is a longitudinal sectional side view, and FIG.
It is a sectional view along the V line. DESCRIPTION OF SYMBOLS 1... Valve box, 3... Valve stem, 3a... Separation connection part,
7... Valve body, 8... Annular mounting groove, 9... Elastic body valve seat, 9a... End portion, 11... Seal retaining groove.

Claims

[Scope of utility model registration request]

A butterfly valve in which a valve body having an elastic valve seat fitted in an annular mounting groove formed on an outer peripheral end face is connected and supported by a rotatable valve stem that is attached through a wall of a valve box, the valve stem is A part of the annular mounting groove is divided and connected to the valve body, and a seal retaining groove that is connected to the divided end of the annular mounting groove is cut out in the divided connecting part, and a seal retaining groove is formed in the divided connecting part. A butterfly valve characterized in that the end portion of the elastic valve seat is fitted and held.