JPS6417078U - - Google Patents

Info

Publication number
JPS6417078U
JPS6417078U JP11114487U JP11114487U JPS6417078U JP S6417078 U JPS6417078 U JP S6417078U JP 11114487 U JP11114487 U JP 11114487U JP 11114487 U JP11114487 U JP 11114487U JP S6417078 U JPS6417078 U JP S6417078U
Authority
JP
Japan
Prior art keywords
switching valve
pilot
valve
inlet
external
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
JP11114487U
Other languages
English (en)
Other versions
JPH0726619Y2 (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 JP1987111144U priority Critical patent/JPH0726619Y2/ja
Publication of JPS6417078U publication Critical patent/JPS6417078U/ja
Application granted granted Critical
Publication of JPH0726619Y2 publication Critical patent/JPH0726619Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B13/00—Details of servomotor systems ; Valves for servomotor systems
    • F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
    • F15B13/04—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor
    • F15B13/042—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor operated by fluid pressure
    • F15B2013/0428—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor operated by fluid pressure with switchable internal or external pilot pressure source

Landscapes

  • Fluid-Driven Valves (AREA)

Description

【図面の簡単な説明】
第１図は本考案の一実施例の斜視図、第２図は
縦断面図、第３図はソレノイドの一部の拡大横断
面図、第４図は手動式切換弁の部分の一部切欠分
解斜視図、第５，６図は手動式切換弁の作動を示
す第２図Ｘ−Ｘ線拡大断面図、第７図は回路図で
ある。 ＳＯＬａ，ＳＯＬｂ：ソレノイド、ｖ：弁体、
ｓ：ばね、ｐ：プランジヤ、Ｖ：主切換弁、ＶＢ
：バルブボデイ、ＰＲ：ピストン室、ＰＳ：ピス
トン、Ｓ：スプール、ＳＨ：スプール孔、Ｐ，Ａ
，Ｂ，Ｒ１，Ｒ２：ポート、ＣＢ：シリンダブロ
ツク、１：パイロツト空気供給ポート、２：シリ
ンダポート、３：排気ポート、１０：手動式切換
弁、１１：弁孔、１２：大径部、１３：小径部、
１４：内部パイロツト孔、１５：外部パイロツト
孔、１６：逃げ溝、１７：吐出孔、１８：弁杆、
１９，２０，２１：シール部、２２：圧縮コイル
ばね、２３：ねじ、２４：平行二面、２５：段部
、２６：ドライバー溝、２７：キヤツプ、２８：
中心孔、２９：突条、３０：導入口。

Claims (1)

    【実用新案登録請求の範囲】
  1. 主切換弁の制御流体の流路から分岐した内部パ
    イロツト通路と、外部流体の導入口に接続した外
    部パイロツト通路とのいずれか一方を選択してパ
    イロツト弁の流入口に連通する手動式切換弁を備
    えたことを特徴とするパイロツト式切換弁。
JP1987111144U 1987-07-20 1987-07-20 パイロット式切換弁 Expired - Lifetime JPH0726619Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1987111144U JPH0726619Y2 (ja) 1987-07-20 1987-07-20 パイロット式切換弁

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1987111144U JPH0726619Y2 (ja) 1987-07-20 1987-07-20 パイロット式切換弁

Publications (2)

Publication Number Publication Date
JPS6417078U true JPS6417078U (ja) 1989-01-27
JPH0726619Y2 JPH0726619Y2 (ja) 1995-06-14

Family

ID=14553571

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1987111144U Expired - Lifetime JPH0726619Y2 (ja) 1987-07-20 1987-07-20 パイロット式切換弁

Country Status (1)

Country Link
JP (1) JPH0726619Y2 (ja)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0846873A2 (en) 1996-12-05 1998-06-10 Smc Corporation Pilot operated change-over valve
EP0911560A1 (en) 1997-10-20 1999-04-28 Smc Corporation Pilot-operated directional control valve
EP0911559A1 (en) 1997-10-20 1999-04-28 Smc Corporation Pilot-operated directional control valve

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57144677U (ja) * 1981-03-06 1982-09-10

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57144677U (ja) * 1981-03-06 1982-09-10

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0846873A2 (en) 1996-12-05 1998-06-10 Smc Corporation Pilot operated change-over valve
EP0911560A1 (en) 1997-10-20 1999-04-28 Smc Corporation Pilot-operated directional control valve
EP0911559A1 (en) 1997-10-20 1999-04-28 Smc Corporation Pilot-operated directional control valve
US5964244A (en) * 1997-10-20 1999-10-12 Smc Corporation Pilot-operated directional control valve
US5996609A (en) * 1997-10-20 1999-12-07 Smc Corporation Pilot-operated directional control valve
EP0911560B1 (en) * 1997-10-20 2003-02-05 Smc Corporation Pilot-operated directional control valve
EP0911559B1 (en) * 1997-10-20 2003-02-12 Smc Corporation Pilot-operated directional control valve

Also Published As

Publication number Publication date
JPH0726619Y2 (ja) 1995-06-14

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