JPS59188378U - Control valve with abnormal noise prevention mechanism - Google Patents

Control valve with abnormal noise prevention mechanism

Info

Publication number
JPS59188378U
JPS59188378U JP8372983U JP8372983U JPS59188378U JP S59188378 U JPS59188378 U JP S59188378U JP 8372983 U JP8372983 U JP 8372983U JP 8372983 U JP8372983 U JP 8372983U JP S59188378 U JPS59188378 U JP S59188378U
Authority
JP
Japan
Prior art keywords
control valve
spool
abnormal noise
prevention mechanism
shaft
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
JP8372983U
Other languages
Japanese (ja)
Other versions
JPS641586Y2 (en
Inventor
前田　昌一
Original Assignee
株式会社ナブコ
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 株式会社ナブコ filed Critical 株式会社ナブコ
Priority to JP8372983U priority Critical patent/JPS59188378U/en
Publication of JPS59188378U publication Critical patent/JPS59188378U/en
Application granted granted Critical
Publication of JPS641586Y2 publication Critical patent/JPS641586Y2/ja
Granted legal-status Critical Current

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  • Servomotors (AREA)
  • Mechanically-Actuated Valves (AREA)
  • Details Of Valves (AREA)

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 drawings]

第１図は従来のコントロールバルブの断面図、第２図は
異常音発生防止対策を施した従来のコントロールバルブ
の断面図、第３図は、本考案の一実施例の断面図である
。 １・・・本体、３・・・押棒、４・・・スプール、６・
・・調圧ばね、７・・・ポンプポート、８・・・タンク
ポート、９・・・シリンダポート、２６・・・シリンダ
部、２７・・・微細通路、２９・・・室、３０・・・軸
。FIG. 1 is a cross-sectional view of a conventional control valve, FIG. 2 is a cross-sectional view of a conventional control valve with measures taken to prevent abnormal noise generation, and FIG. 3 is a cross-sectional view of an embodiment of the present invention. 1...Body, 3...Push rod, 4...Spool, 6...
...Pressure adjustment spring, 7...Pump port, 8...Tank port, 9...Cylinder port, 26...Cylinder part, 27...Minute passage, 29...Chamber, 30... ·shaft.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 本体のポンプポートとタンクポート及びシリンダポート
との間にスプールを設け、このスプールに調圧ばねを介
して押棒を連設したコントロールバルブにおいて、前記
スプール又は押棒に軸を連設し、この軸が摺動自在に嵌
入する孔を有するシリンダ部を前記押棒又はスプールに
設け、このシリンダ部と軸とによって形成される室を微
細通路でタンクポートに接続した異常音発生防止機構付
コントロールバルブ。In a control valve in which a spool is provided between a pump port and a tank port and a cylinder port of the main body, and a push rod is connected to this spool via a pressure regulating spring, a shaft is connected to the spool or push rod, and this shaft is A control valve with an abnormal noise generation prevention mechanism, in which the push rod or spool is provided with a cylinder portion having a hole into which the cylinder portion can be slidably inserted, and a chamber formed by the cylinder portion and the shaft is connected to a tank port through a fine passage.
JP8372983U 1983-05-31 1983-05-31 Control valve with abnormal noise prevention mechanism Granted JPS59188378U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8372983U JPS59188378U (en) 1983-05-31 1983-05-31 Control valve with abnormal noise prevention mechanism

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8372983U JPS59188378U (en) 1983-05-31 1983-05-31 Control valve with abnormal noise prevention mechanism

Publications (2)

Publication Number Publication Date
JPS59188378U true JPS59188378U (en) 1984-12-13
JPS641586Y2 JPS641586Y2 (en) 1989-01-13

Family

ID=30213688

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8372983U Granted JPS59188378U (en) 1983-05-31 1983-05-31 Control valve with abnormal noise prevention mechanism

Country Status (1)

Country Link
JP (1) JPS59188378U (en)

Also Published As

Publication number Publication date
JPS641586Y2 (en) 1989-01-13

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