JPH0456987U - - Google Patents

Info

Publication number
JPH0456987U
JPH0456987U JP10616590U JP10616590U JPH0456987U JP H0456987 U JPH0456987 U JP H0456987U JP 10616590 U JP10616590 U JP 10616590U JP 10616590 U JP10616590 U JP 10616590U JP H0456987 U JPH0456987 U JP H0456987U
Authority
JP
Japan
Prior art keywords
spool
port connected
pilot
hydraulic cylinder
bottom side
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
JP10616590U
Other languages
English (en)
Other versions
JP2543444Y2 (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 JP1990106165U priority Critical patent/JP2543444Y2/ja
Publication of JPH0456987U publication Critical patent/JPH0456987U/ja
Application granted granted Critical
Publication of JP2543444Y2 publication Critical patent/JP2543444Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

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

Description

【図面の簡単な説明】
第1図、第2図、第3図は本考案の実施例の断
面図、第4図は従来技術の断面図である。 A……第1ポート、B……第2ポート、C……
パイロツトポート、P……圧力供給源、S……油
圧シリンダ、S1……ボトム側、E……本体、F
……パイロツト部、G……押圧部、5……内孔、
7……弁座、8……ポペツト弁、11,18,2
2……スプール、12……摺動部、13,25…
…ピストン、15……Oリング。

Claims (1)

  1. 【実用新案登録請求の範囲】 本体に、圧力供給源に接続する第1ポートと油
    圧シリンダのボトム側が接続する第2ポートとが
    開口した内孔を設け、この内孔には第2ポート側
    に設けた弁座に当接するポペツト弁を有するスプ
    ールを摺動自在に嵌入し、このスプールの一端部
    にパイロツト部を配設し、他端部にはこのパイロ
    ツト部に対抗する押圧部を配設したパイロツト操
    作型逆止弁において、 前記スプールの他端部がシール状態で摺動する
    摺動部とされ、前記弁座の内径と該摺動部の外径
    とを略同径にしたことを特徴とするパイロツト操
    作型逆止弁。
JP1990106165U 1990-06-07 1990-10-08 パイロット操作型逆止弁 Expired - Lifetime JP2543444Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1990106165U JP2543444Y2 (ja) 1990-06-07 1990-10-08 パイロット操作型逆止弁

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2-60448 1990-06-07
JP6044890 1990-06-07
JP1990106165U JP2543444Y2 (ja) 1990-06-07 1990-10-08 パイロット操作型逆止弁

Publications (2)

Publication Number Publication Date
JPH0456987U true JPH0456987U (ja) 1992-05-15
JP2543444Y2 JP2543444Y2 (ja) 1997-08-06

Family

ID=31948606

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1990106165U Expired - Lifetime JP2543444Y2 (ja) 1990-06-07 1990-10-08 パイロット操作型逆止弁

Country Status (1)

Country Link
JP (1) JP2543444Y2 (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014151429A (ja) * 2013-02-14 2014-08-25 Mitsubishi Heavy Ind Ltd 摺動面の焼付防止装置
EP3572676A1 (en) * 2018-05-22 2019-11-27 Nabtesco Corporation Fluid pressure valve

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101461897B1 (ko) * 2013-06-19 2014-11-13 현대자동차 주식회사 세퍼레이터 쿨러유닛

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6011787A (ja) * 1983-06-29 1985-01-22 Hitachi Constr Mach Co Ltd ロジツク弁
JPH01169183A (ja) * 1987-12-23 1989-07-04 Koganei Seisakusho:Kk マニホールド弁

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6011787A (ja) * 1983-06-29 1985-01-22 Hitachi Constr Mach Co Ltd ロジツク弁
JPH01169183A (ja) * 1987-12-23 1989-07-04 Koganei Seisakusho:Kk マニホールド弁

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014151429A (ja) * 2013-02-14 2014-08-25 Mitsubishi Heavy Ind Ltd 摺動面の焼付防止装置
EP3572676A1 (en) * 2018-05-22 2019-11-27 Nabtesco Corporation Fluid pressure valve
JP2019203548A (ja) * 2018-05-22 2019-11-28 ナブテスコ株式会社 流体圧バルブ
US11384855B2 (en) 2018-05-22 2022-07-12 Nabtesco Corporation Fluid pressure valve

Also Published As

Publication number Publication date
JP2543444Y2 (ja) 1997-08-06

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