JPH0466468U - - Google Patents

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Publication number
JPH0466468U
JPH0466468U JP11058790U JP11058790U JPH0466468U JP H0466468 U JPH0466468 U JP H0466468U JP 11058790 U JP11058790 U JP 11058790U JP 11058790 U JP11058790 U JP 11058790U JP H0466468 U JPH0466468 U JP H0466468U
Authority
JP
Japan
Prior art keywords
spools
valve
pilot
pressure
input port
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
JP11058790U
Other languages
Japanese (ja)
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 filed Critical
Priority to JP11058790U priority Critical patent/JPH0466468U/ja
Publication of JPH0466468U publication Critical patent/JPH0466468U/ja
Pending legal-status Critical Current

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  • Multiple-Way Valves (AREA)

Description

【図面の簡単な説明】[Brief explanation of drawings]

第1図はこの考案を具体化した切換弁の第1実
施例を示す断面図、第2図はその切換弁の切り換
え位置を示す機構図、第3図a〜第3図cは切換
弁の異なつた切り換え状態を示す部分断面図、第
4図はこの考案を具体化した切換弁の第2実施例
を示す断面図、第5図はそのスプールの一部を示
す斜視図、第6図は同切換弁の切り換え位置を示
す機構図、第7図a〜第7図cは切換弁の異なつ
た切り換え状態を示す部分断面図である。 1……弁框、2……弁室、5……入力ポート、
7,8……出力ポート、11,12……排出ポー
ト、13,14……スプール、17,18……パ
イロツト弁、22……ストツパ、28……移動板
、30……バネ。
Fig. 1 is a sectional view showing a first embodiment of a switching valve embodying this invention, Fig. 2 is a mechanical diagram showing the switching position of the switching valve, and Figs. 3a to 3c are diagrams of the switching valve. 4 is a sectional view showing a second embodiment of the switching valve embodying this invention, FIG. 5 is a perspective view showing a part of the spool, and FIG. 6 is a partial sectional view showing different switching states. A mechanical diagram showing the switching position of the switching valve, and FIGS. 7a to 7c are partial sectional views showing different switching states of the switching valve. 1...Valve sill, 2...Valve chamber, 5...Input port,
7, 8... Output port, 11, 12... Discharge port, 13, 14... Spool, 17, 18... Pilot valve, 22... Stopper, 28... Moving plate, 30... Spring.

Claims (1)

【実用新案登録請求の範囲】 1 弁框1と、その弁框1に設けられた1つの入
力ポート5と、弁框1に設けられた2つの出力ポ
ート7,8と、入力ポート5と出力ポート7,8
との間を開閉するように弁框1の弁室2内に一軸
線方向へ移動可能に設けられた一対のスプール1
3,14と、そのスプール13,14を切り換え
移動させるための一対のパイロツト弁17,18
とを備えた切換弁において、 前記両スプール13,14の対向面13a,1
4aに入力ポート5の入力圧を付与すると共に、
両スプール13,14の背面13b,14bに各
パイロツト弁17,18からのパイロツト圧を付
与し、そのパイロツト圧が入力圧よりも大きくな
るように、各スプール13,14の背面13b,
14b側の受圧面積を対向面13a,14a側の
受圧面積よりも大きくし、 前記スプール13,14をパイロツト弁17,
18の選択的作動により、両出力ポート7,8の
閉鎖位置、両出力ポート7,8の開放位置、及び
いずれか一方の出力ポート7,8の開放位置の4
位置に切り換えできるようにしたことを特徴とす
る切換弁。 2 弁框1と、その弁框1に設けられた1つの入
力ポート5と、弁框1に設けられた2つの出力ポ
ート7,8と、弁框1に設けられた2つの排出ポ
ート11,12と、入力ポート5と出力ポート7
,8との間を開閉するように弁框1の弁室2内に
一軸線方向へ移動可能に設けられた一対のスプー
ル13,14と、そのスプール13,14を切り
換え移動させるための一対のパイロツト弁17,
18とを備えた切換弁において、 前記両スプール13,14の対向面13a,1
4aに入力ポート5の入力圧を付与すると共に、
両スプール13,14の背面13b,14bに各
パイロツト弁17,18からのパイロツト圧を付
与し、そのパイロツト圧が入力圧よりも大きくな
るように、各スプール13,14の背面13b,
14b側の受圧面積を対向面13a,14a側の
受圧面積よりも大きくし、 さらに、前記排出ポート11,12と同圧位置
において各スプール13,14内にはそのスプー
ル13,14を対向面13a,14a側に付勢す
るためのバネ30を設け、そのバネ30の一端を
スプール13,14の背面側の内面に当接させる
と共に、他端を弁室2内のストツパ22に係合可
能な移動板28に当接させ、 前記スプール13,14をパイロツト弁17,
18の選択的作動により、両出力ポート7,8の
閉鎖位置、全ポート5,7,8,11,12の閉
鎖位置、及びいずれか一方の出力ポート7,8の
開放位置の4位置に切り換えできるようにしたこ
とを特徴とする切換弁。
[Claims for Utility Model Registration] 1. Valve frame 1, one input port 5 provided on valve frame 1, two output ports 7 and 8 provided on valve frame 1, input port 5 and output port 7,8
A pair of spools 1 are movably provided in the valve chamber 2 of the valve frame 1 in a uniaxial direction so as to open and close between the spools 1 and 1.
3, 14 and a pair of pilot valves 17, 18 for switching and moving the spools 13, 14.
In the switching valve, the opposing surfaces 13a, 1 of both the spools 13, 14
While applying the input pressure of the input port 5 to 4a,
The pilot pressure from each pilot valve 17, 18 is applied to the back surface 13b, 14b of both spools 13, 14, and the back surface 13b,
The pressure receiving area on the 14b side is made larger than the pressure receiving area on the opposing surfaces 13a and 14a, and the spools 13 and 14 are connected to the pilot valves 17 and 14a.
18, the closed position of both output ports 7, 8, the open position of both output ports 7, 8, and the open position of either output port 7, 8.
A switching valve characterized by being able to switch between positions. 2. A valve holder 1, one input port 5 provided in the valve holder 1, two output ports 7, 8 provided in the valve holder 1, and two discharge ports 11 provided in the valve holder 1, 12, input port 5 and output port 7
. Pilot valve 17,
18, the opposing surfaces 13a, 1 of both the spools 13, 14
While applying the input pressure of the input port 5 to 4a,
The pilot pressure from each pilot valve 17, 18 is applied to the back surface 13b, 14b of both spools 13, 14, and the back surface 13b,
The pressure receiving area on the 14b side is made larger than the pressure receiving area on the opposing surfaces 13a, 14a, and furthermore, the spools 13, 14 are placed inside each spool 13, 14 at the same pressure position as the discharge ports 11, 12 on the opposing surface 13a. , 14a side, one end of the spring 30 is brought into contact with the inner surface of the back side of the spools 13, 14, and the other end is engageable with the stopper 22 in the valve chamber 2. The spools 13 and 14 are brought into contact with the moving plate 28, and the spools 13 and 14 are connected to the pilot valves 17 and 14.
18, the output ports 7 and 8 are switched to a closed position, all ports 5, 7, 8, 11, and 12 are closed, and one of the output ports 7 and 8 is opened. A switching valve characterized by being able to
JP11058790U 1990-10-22 1990-10-22 Pending JPH0466468U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11058790U JPH0466468U (en) 1990-10-22 1990-10-22

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11058790U JPH0466468U (en) 1990-10-22 1990-10-22

Publications (1)

Publication Number Publication Date
JPH0466468U true JPH0466468U (en) 1992-06-11

Family

ID=31857941

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11058790U Pending JPH0466468U (en) 1990-10-22 1990-10-22

Country Status (1)

Country Link
JP (1) JPH0466468U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04134969U (en) * 1991-06-06 1992-12-15 川崎重工業株式会社 control valve
WO2016035495A1 (en) * 2014-09-04 2016-03-10 Smc株式会社 Dual 4-port electromagnetic valve
TWI661145B (en) * 2015-05-08 2019-06-01 日商Smc股份有限公司 Flow passage switching unit

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04134969U (en) * 1991-06-06 1992-12-15 川崎重工業株式会社 control valve
WO2016035495A1 (en) * 2014-09-04 2016-03-10 Smc株式会社 Dual 4-port electromagnetic valve
JP2016053410A (en) * 2014-09-04 2016-04-14 Smc株式会社 Dual four-port solenoid valve
US10174771B2 (en) 2014-09-04 2019-01-08 Smc Corporation Dual 4-port electromagnetic valve
TWI661145B (en) * 2015-05-08 2019-06-01 日商Smc股份有限公司 Flow passage switching unit

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