JPS61565U

JPS61565U - 3 position 3 port valve

Info

Publication number: JPS61565U
Application number: JP8541884U
Authority: JP
Inventors: 訓久金子; 尚武小根山
Original assignee: エスエムシ−株式会社
Priority date: 1984-06-08
Filing date: 1984-06-08
Publication date: 1986-01-06
Also published as: JPH0442611Y2

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 drawings]

第１図は本考案の実施例の断面図、第２図はその異なる
実施例の断面図、第３図はそれらを用いた複動アクチュ
エータ駆動回路の一例を示す構成図、第４図は従来の３
ポート弁を用いたアクチュエータ駆動回路の一例を示す
構成図である。２９３２ｙ６２ａｔ６’３ａ・・・・・
・第１ポート、３，３３，６２ｂ，６３ｂ・・・・・・
第２ポート、４，３４，６２Ｃ，６３ｃ
・・・・・・第３ポート、５ａ，３５ａ・・・・・・第
１弁座、５ｂ，３５ｂ・・・・・・第２弁座、６ａｓ
３６ａ””−第１弁体、６ｂ，３６ｂ−
−−−−−第−２弁体、１１ａ，３７ａ＝第
１背室、１１ｂ，３７ｂ−−−−−−第２背室、１
２ａ，１２ｂ，３８ａ，３８ｂ・・
・・・・均圧孔、１３ａ＊３９ａ・・・・・・第１ばね
、１３ｂ，３９ｂ・・・・・・第２ばね。Fig. 1 is a sectional view of an embodiment of the present invention, Fig. 2 is a sectional view of a different embodiment thereof, Fig. 3 is a configuration diagram showing an example of a double-acting actuator drive circuit using them, and Fig. 4 is a conventional one. No. 3
FIG. 2 is a configuration diagram showing an example of an actuator drive circuit using a port valve. 29 3 2y 6 2 at 6'3 a...
・1st port, 3, 33, 62b, 63b...
2nd port, 4, 3 4, 6 2 C, 6 3 C
......Third port, 5a, 35a...First valve seat, 5b, 35b...Second valve seat, 6 as
3 6 a””-first valve body, 6 b, 3 6 b-
------Second valve body, 1 1 a, 3 7 a = first back chamber, 11 b, 3 7 b --- Second back chamber, 1
2 a, 1 2 b, 3 8 a, 38 b...
...Pressure equalization hole, 13a*39a...First spring, 13b, 39b...Second spring.

Claims

[Scope of utility model registration request]

the first and second ports between the first port and the second and third ports;
In one in which valve seats are provided opposite to each other and these valve seats are opened and closed by first and second valve bodies, respectively,
The first and second back chambers defined behind the first and second valve bodies are communicated with the first port through pressure equalizing holes formed in both the valve bodies, respectively, and a first and a first and second spring that urges the second valve body toward its respective valve seat, so that both can be closed on the first and second valve bodies, and at the same time, both can be opened and closed independently. A 3-position, 3-port valve characterized by being equipped with an opening/closing mechanism.