JPS56120863A - Change-over valve - Google Patents

Change-over valve

Info

Publication number
JPS56120863A
JPS56120863A JP2380680A JP2380680A JPS56120863A JP S56120863 A JPS56120863 A JP S56120863A JP 2380680 A JP2380680 A JP 2380680A JP 2380680 A JP2380680 A JP 2380680A JP S56120863 A JPS56120863 A JP S56120863A
Authority
JP
Japan
Prior art keywords
valve seat
valve member
valve
input
operating plunger
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP2380680A
Other languages
Japanese (ja)
Inventor
Masahiko Yamazaki
Toshibumi Hamada
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nabco Ltd
Original Assignee
Nabco Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nabco Ltd filed Critical Nabco Ltd
Priority to JP2380680A priority Critical patent/JPS56120863A/en
Publication of JPS56120863A publication Critical patent/JPS56120863A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: To prevent insufficient sealing in a case where the rectangular accuracy between the operating plunger, input valve seat and exhaust valve seat by connecting the valve member to the operating plunger in a swingable manner.
CONSTITUTION: When a knob 18 is pulled up, a seal projection 28 on the upper surface of a valve member 20 is seated on an input valve seat 14, to interrupt the communication between an input port 11 and a valve chest 10 and connect the valve chest 10 to the atmosphere through an exhaust port 13. Since a play gap is provided at the connected part of the valve member 20 and the operating plunger 17, the valve member 20 freely swings with respect to the operating plunger 17 so that entire periphery of the seal projection 28 on the upper surface of the valve member comes into contact with the input valve seat 14. Accordingly, the spring force of a pressure governing spring 30 acts uniformly on the entire periphery of the contact surface between the seal projection 28 and the input valve seat 14, and hence no insufficient sealing occurs.
COPYRIGHT: (C)1981,JPO&Japio
JP2380680A 1980-02-26 1980-02-26 Change-over valve Pending JPS56120863A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2380680A JPS56120863A (en) 1980-02-26 1980-02-26 Change-over valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2380680A JPS56120863A (en) 1980-02-26 1980-02-26 Change-over valve

Publications (1)

Publication Number Publication Date
JPS56120863A true JPS56120863A (en) 1981-09-22

Family

ID=12120561

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2380680A Pending JPS56120863A (en) 1980-02-26 1980-02-26 Change-over valve

Country Status (1)

Country Link
JP (1) JPS56120863A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61179474U (en) * 1985-04-25 1986-11-08
JPS636279U (en) * 1986-06-30 1988-01-16

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61179474U (en) * 1985-04-25 1986-11-08
JPS636279U (en) * 1986-06-30 1988-01-16

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