JPS59142552U - hydraulic closed circuit - Google Patents

hydraulic closed circuit

Info

Publication number
JPS59142552U
JPS59142552U JP3635183U JP3635183U JPS59142552U JP S59142552 U JPS59142552 U JP S59142552U JP 3635183 U JP3635183 U JP 3635183U JP 3635183 U JP3635183 U JP 3635183U JP S59142552 U JPS59142552 U JP S59142552U
Authority
JP
Japan
Prior art keywords
closed circuit
valve
hydraulic closed
valve body
actuator
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
JP3635183U
Other languages
Japanese (ja)
Inventor
和夫 井上
川人　明男
茂雄 大野
Original Assignee
株式会社小松製作所
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 by 株式会社小松製作所 filed Critical 株式会社小松製作所
Priority to JP3635183U priority Critical patent/JPS59142552U/en
Publication of JPS59142552U publication Critical patent/JPS59142552U/en
Pending legal-status Critical Current

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Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

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

第１図は油圧閉回路の回路図、第２図は従来のポペット
弁の断面図、第３図は本考案に用いるポペット弁の断面
図である。 １は可変油圧モータ、２は油圧モータ、３．４は閉回路
、５′はポペット弁、１０は弁座、１１は弁孔、１２は
弁体、１４は絞り部材。FIG. 1 is a circuit diagram of a hydraulic closed circuit, FIG. 2 is a sectional view of a conventional poppet valve, and FIG. 3 is a sectional view of a poppet valve used in the present invention. 1 is a variable hydraulic motor, 2 is a hydraulic motor, 3.4 is a closed circuit, 5' is a poppet valve, 10 is a valve seat, 11 is a valve hole, 12 is a valve body, and 14 is a throttle member.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 可変油圧ポンプ１とアクチュエータとをを往復の閉回路
３．４で接続し、かつこの両開回路３゜４にアクチュエ
ータをロックするためのポペット弁５′を介装した油圧
閉回路において、上記ポペット弁５′の弁体１２に弁体
１２が当接する弁座１０側の弁孔１１に、弁体１２の所
定のリフト量にわたって隙間を有して嵌合する絞り部材
１４を突設したことを特徴とする油圧閉回路。In a hydraulic closed circuit in which the variable hydraulic pump 1 and the actuator are connected by a reciprocating closed circuit 3.4, and a poppet valve 5' for locking the actuator is interposed in this double open circuit 3.4, the poppet A throttle member 14 is provided in a protruding manner in the valve hole 11 on the side of the valve seat 10 where the valve body 12 contacts the valve body 12 of the valve 5', and is fitted with a gap over a predetermined lift amount of the valve body 12. Features a hydraulic closed circuit.
JP3635183U 1983-03-15 1983-03-15 hydraulic closed circuit Pending JPS59142552U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3635183U JPS59142552U (en) 1983-03-15 1983-03-15 hydraulic closed circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3635183U JPS59142552U (en) 1983-03-15 1983-03-15 hydraulic closed circuit

Publications (1)

Publication Number Publication Date
JPS59142552U true JPS59142552U (en) 1984-09-22

Family

ID=30167025

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3635183U Pending JPS59142552U (en) 1983-03-15 1983-03-15 hydraulic closed circuit

Country Status (1)

Country Link
JP (1) JPS59142552U (en)

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