JPS61139364U - - Google Patents

Info

Publication number
JPS61139364U
JPS61139364U JP2142385U JP2142385U JPS61139364U JP S61139364 U JPS61139364 U JP S61139364U JP 2142385 U JP2142385 U JP 2142385U JP 2142385 U JP2142385 U JP 2142385U JP S61139364 U JPS61139364 U JP S61139364U
Authority
JP
Japan
Prior art keywords
port
control
fluid
high pressure
pressure
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.)
Granted
Application number
JP2142385U
Other languages
Japanese (ja)
Other versions
JPH0338524Y2 (en
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 JP1985021423U priority Critical patent/JPH0338524Y2/ja
Publication of JPS61139364U publication Critical patent/JPS61139364U/ja
Application granted granted Critical
Publication of JPH0338524Y2 publication Critical patent/JPH0338524Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Fluid-Driven Valves (AREA)
  • Multiple-Way Valves (AREA)

Description

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

第１図は本考案の一実施例の断面図、第２図は
主弁体の移動量と流路開口面積との関係図、第３
図は本考案による流体切換弁の使用例の配管図、
第４図は第３図に示すものの効果確認図、第５図
に従来例の断面図である。 ２……高圧ポート、３……低圧ポート、４……
制御ポート、６……主弁室、１０……パイロツト
室、１３……主弁体、１３ｄ……スプール弁部、
１４……ピストン、Ｓｔ……最大ストローク量、
１９……シート弁部、２０……ピストン駆動機構
。 Fig. 1 is a sectional view of an embodiment of the present invention, Fig. 2 is a relationship diagram between the movement amount of the main valve body and the flow path opening area, and Fig. 3
The figure is a piping diagram of an example of the use of the fluid switching valve according to the present invention.
FIG. 4 is a diagram for confirming the effect of the one shown in FIG. 3, and FIG. 5 is a sectional view of the conventional example. 2...High pressure port, 3...Low pressure port, 4...
Control port, 6... Main valve chamber, 10... Pilot chamber, 13... Main valve body, 13d... Spool valve part,
14... Piston, St... Maximum stroke amount,
19... Seat valve section, 20... Piston drive mechanism.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 初期位置において制御ポートに低圧ポートが連
通するとともに、作動位置において前記制御ポー
トに高圧ポートが連通するパイロツト圧力操作式
３ポート２位置流体切換弁であつて、高圧ポート
に供給される制御流体の圧力が高ければ高い程、
前記初期位置における高圧ポートとから制御ポー
トへの密閉性が向上するよう構成した自己圧力閉
弁式のシート弁部と、このシート弁部と同軸上に
一体に形成され、高圧ポートおよび低圧ポートと
制御ポートとの間で正重合の３ポート２位置切換
機構を構成したスプール弁部と、前記制御流体と
混合することのない別の流体により、前記シート
弁とスプール弁部とを駆動させるピストン駆動機
構とを備えたことを特徴とする流体切換弁。 A pilot pressure operated 3-port 2-position fluid switching valve in which a low pressure port communicates with a control port in an initial position and a high pressure port communicates with the control port in an operating position, wherein the pressure of the control fluid supplied to the high pressure port The higher the
a self-pressure closing type seat valve configured to improve sealing performance from the high pressure port to the control port in the initial position; A spool valve part that constitutes a three-port two-position switching mechanism with normal polymerization between the control port and a piston drive that drives the seat valve and the spool valve part by another fluid that does not mix with the control fluid. A fluid switching valve characterized by comprising a mechanism.
JP1985021423U 1985-02-18 1985-02-18 Expired JPH0338524Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1985021423U JPH0338524Y2 (en) 1985-02-18 1985-02-18

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1985021423U JPH0338524Y2 (en) 1985-02-18 1985-02-18

Publications (2)

Publication Number Publication Date
JPS61139364U true JPS61139364U (en) 1986-08-29
JPH0338524Y2 JPH0338524Y2 (en) 1991-08-14

Family

ID=30512803

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1985021423U Expired JPH0338524Y2 (en) 1985-02-18 1985-02-18

Country Status (1)

Country Link
JP (1) JPH0338524Y2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008069916A (en) * 2006-09-15 2008-03-27 Denso Corp Plural function integrated spool valve
AT518208A1 (en) * 2016-01-19 2017-08-15 Avl List Gmbh SWITCHING VALVE FOR CONTROLLING A FLUID CURRENT

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3717158B2 (en) * 2001-11-09 2005-11-16 本田技研工業株式会社 Hydraulic valve

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS566685U (en) * 1979-06-27 1981-01-21

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS566685U (en) * 1979-06-27 1981-01-21

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008069916A (en) * 2006-09-15 2008-03-27 Denso Corp Plural function integrated spool valve
AT518208A1 (en) * 2016-01-19 2017-08-15 Avl List Gmbh SWITCHING VALVE FOR CONTROLLING A FLUID CURRENT
AT518208B1 (en) * 2016-01-19 2018-03-15 Avl List Gmbh SWITCHING VALVE FOR CONTROLLING A FLUID CURRENT

Also Published As

Publication number Publication date
JPH0338524Y2 (en) 1991-08-14

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