JPS5825872U

JPS5825872U - switching valve

Info

Publication number: JPS5825872U
Application number: JP11936581U
Authority: JP
Inventors: 前山　企史; 渡辺　千晴
Original assignee: 株式会社不二工機製作所
Priority date: 1981-08-13
Filing date: 1981-08-13
Publication date: 1983-02-18

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]

図面は本案切換弁の概略の縦断面図である。１・・・弁、２・・・第１の通路、３・・・第２の通路
、４・・・固定弁座、７・・・弁体、９・・・ばね部材
、１０・・・制御室、１３・・・ダイヤフラム、１４・
・・ストッパー、１５・・・脚部、１６・・・ばね部材
、１８・・・ヒーター。The drawing is a schematic vertical sectional view of the switching valve of the present invention. DESCRIPTION OF SYMBOLS 1... Valve, 2... First passage, 3... Second passage, 4... Fixed valve seat, 7... Valve body, 9... Spring member, 10... Control room, 13...Diaphragm, 14.
...stopper, 15...leg, 16...spring member, 18...heater.

Claims

[Scope of utility model registration request]

a valve case having a first passage and a second passage; a fixed valve seat and a movable valve body housed within the valve case and opening and closing both passages;
a control chamber that is fixed to the valve case and filled with refrigerant so as to communicate with the valve case; a stopper that slides within the control chamber and has a leg portion in the center whose tip is in contact with the head of the valve body; A diaphragm that is in contact with the top surface of the stopper and whose periphery is fixed to the peripheral wall of the control chamber, a spring member that always biases the stopper toward the diaphragm, a spring member that always presses the valve body against the valve seat, and a diaphragm that is installed in the control chamber. A switching valve consisting of a heated heater.