JPS6073975U

JPS6073975U - diaphragm valve

Info

Publication number: JPS6073975U
Application number: JP16730883U
Authority: JP
Inventors: 範男丹野
Original assignee: 積水化学工業株式会社
Priority date: 1983-10-27
Filing date: 1983-10-27
Publication date: 1985-05-24

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 drawings]

第１図は本考案のダイヤフラムバルブの一例を右半分を
断面で示す正面図、第２図は第１図の主要部を拡大して
示す断面図である。１・・・バルブ本体、１１・・・ウェア部、２・・・ダ
イヤフラム、３・・・ボンネット、４４・・・環状凹溝
、４５・・・割リング、４６・・・カラー、４・・・ス
リーブ、４１・・・段部、５・・・バルブステム、５１
・・・雄ねじ部、６・・・押圧体、７・・・ハンドル、
８・・・−ストッパー、８１・・・スプリングワッシャ
、８２・・・ナツト、９・・・インジケーター、９１・
・・雌ねじ。FIG. 1 is a front view showing a cross-sectional right half of an example of the diaphragm valve of the present invention, and FIG. 2 is a cross-sectional view showing an enlarged main part of FIG. 1. DESCRIPTION OF SYMBOLS 1... Valve body, 11... Wear part, 2... Diaphragm, 3... Bonnet, 44... Annular groove, 45... Split ring, 46... Collar, 4...・Sleeve, 41...Step part, 5...Valve stem, 51
...Male thread part, 6...Press body, 7...Handle,
8...-Stopper, 81... Spring washer, 82... Nut, 9... Indicator, 91...
...Female thread.

Claims

[Scope of utility model registration request]

A diaphragm valve in which a valve stem is screwed into a sleeve, the valve stem moves up and down as the sleeve rotates, and a pressing body attached to the valve stem presses the diaphragm against the wear part of the main body to close the valve.
A male threaded portion is provided at the upper end of the valve stem to protrude in the axial direction, a stopper having a diameter larger than the diameter of the valve stem is screwed onto the male threaded portion to prevent loosening, and the tip of the male threaded portion is provided with a stopper having a diameter larger than the diameter of the valve stem. The indicator is screwed into the stopper, a locking mechanism for the stopper is provided inside the tip of the indicator, and a stepped portion on the inner surface of the sleeve into which the valve stem is screwed is provided with which the stopper comes into contact. A diaphragm valve featuring: