JPS60107472U

JPS60107472U - valve device

Info

Publication number: JPS60107472U
Application number: JP19726083U
Authority: JP
Inventors: 寿山　憲雄; 会田　金江; 篠崎　正伸
Original assignee: リンナイ株式会社
Priority date: 1983-12-23
Filing date: 1983-12-23
Publication date: 1985-07-22

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]

図面は本案装置の１例の截断側面図である。１・・・前方の室、２・・・後方の室、３・・・弁孔、
４・・・弁筺、５・・・ブツシュロッド、６・・・ばね
、７・・・主バルブ、８・・・補助弁孔、９・・・補助
バルブ、６ａ・・・第１ばね、６ｂ・・・第２ばね。The drawing is a cutaway side view of an example of the present device. 1...Front chamber, 2...Back chamber, 3...Valve hole,
4... Valve housing, 5... Bush rod, 6... Spring, 7... Main valve, 8... Auxiliary valve hole, 9... Auxiliary valve, 6a... First spring, 6b ...Second spring.

Claims

[Scope of utility model registration request]

A bushing rod 5 is placed in a valve housing 4 having a front chamber 1 on the inflow side, a rear chamber 2 on the outflow side, and a valve hole 3 in the middle thereof, so as to face the front surface of the valve hole 3. A main valve 7 is provided which is pushed by this and moves forward against the front spring 6 to open the valve hole 3, and the main valve 7 has an auxiliary valve hole 8 in the center and a hole inside the valve hole 8. According to the advancement of the bushing rod 5 which is inserted and extends in the front-rear direction, a spool valve type auxiliary member is pushed by the bushing rod 5 before the main valve 7 and moves forward against the spring 6 to open the auxiliary valve hole 8. In the type with a valve 9, the spring 6 is divided into a first spring 6a on the inner circumference that acts on the front surface of the main valve 7 via the auxiliary valve 9, and a second spring on the outer circumference that acts only on the main valve 7. A valve device comprising two springs 6b.