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JPH01166178U - - Google Patents
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JPH01166178U - - Google Patents

Info

Publication number
JPH01166178U
JPH01166178U JP5618888U JP5618888U JPH01166178U JP H01166178 U JPH01166178 U JP H01166178U JP 5618888 U JP5618888 U JP 5618888U JP 5618888 U JP5618888 U JP 5618888U JP H01166178 U JPH01166178 U JP H01166178U
Authority
JP
Japan
Prior art keywords
spring
coil spring
valve body
diameter
diameter coil
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
JP5618888U
Other languages
English (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 JP5618888U priority Critical patent/JPH01166178U/ja
Publication of JPH01166178U publication Critical patent/JPH01166178U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Fluid-Driven Valves (AREA)
  • Safety Valves (AREA)

Description

【図面の簡単な説明】
第1図は本考案を実施してなるパイロツト油圧
切換弁を含む油圧回路図、第2図は第1図に示し
たパイロツト油圧切換弁の拡大断面図である。 符号の説明、22……スプール(弁体)、33
……大径のコイルスプリング、34……小径のコ
イルスプリング、35,36……リテーナ、37
……ボルト(調整手段)、V……パイロツト油圧
切換弁(制御弁)。

Claims (1)

    【実用新案登録請求の範囲】
  1. 流体圧を受けて作動する弁体の動きをスプリン
    グによつて制御するようにした制御弁において、
    前記スプリングを、所定の予備荷重を付与して前
    記弁体にばね力が作用するように組付けた大径の
    コイルスプリングと、この大径のコイルスプリン
    グ内に同軸的に組付けられて前記弁体にばね力が
    作用するようにされかつ調整手段によりばね力を
    調整可能な小径でばね定数の小さなコイルスプリ
    ングにより構成したことを特徴とする制御弁。
JP5618888U 1988-04-26 1988-04-26 Pending JPH01166178U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5618888U JPH01166178U (ja) 1988-04-26 1988-04-26

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5618888U JPH01166178U (ja) 1988-04-26 1988-04-26

Publications (1)

Publication Number Publication Date
JPH01166178U true JPH01166178U (ja) 1989-11-21

Family

ID=31282070

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5618888U Pending JPH01166178U (ja) 1988-04-26 1988-04-26

Country Status (1)

Country Link
JP (1) JPH01166178U (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002168364A (ja) * 2000-12-01 2002-06-14 Toyoda Mach Works Ltd 弁装置

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS505407A (ja) * 1972-10-31 1975-01-21
JPS5317935B2 (ja) * 1975-03-11 1978-06-12

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS505407A (ja) * 1972-10-31 1975-01-21
JPS5317935B2 (ja) * 1975-03-11 1978-06-12

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002168364A (ja) * 2000-12-01 2002-06-14 Toyoda Mach Works Ltd 弁装置

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