JPS5891071U - 直動形リリ−フ弁 - Google Patents

直動形リリ−フ弁

Info

Publication number
JPS5891071U
JPS5891071U JP18784281U JP18784281U JPS5891071U JP S5891071 U JPS5891071 U JP S5891071U JP 18784281 U JP18784281 U JP 18784281U JP 18784281 U JP18784281 U JP 18784281U JP S5891071 U JPS5891071 U JP S5891071U
Authority
JP
Japan
Prior art keywords
oil chamber
valve
relief valve
acting relief
pressure 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
JP18784281U
Other languages
English (en)
Other versions
JPS6146291Y2 (ja
Inventor
邦彦 吉田
西村　良純
越　憲一
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Construction Machinery Co Ltd
Original Assignee
Hitachi Construction Machinery Co Ltd
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 Hitachi Construction Machinery Co Ltd filed Critical Hitachi Construction Machinery Co Ltd
Priority to JP18784281U priority Critical patent/JPS5891071U/ja
Publication of JPS5891071U publication Critical patent/JPS5891071U/ja
Application granted granted Critical
Publication of JPS6146291Y2 publication Critical patent/JPS6146291Y2/ja
Granted 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。

Description

【図面の簡単な説明】
第１図は従来技術による直動形ＩＪ　ＩＪ−フ弁の縦□
断面図、第２図は第１図の要部拡大図、第３図は本考案
に係る直動形ＩＪ　ＩＪ−フ弁の要部拡大縦断面図であ
る。 ２・・・高圧側油室、３・・・低圧側油室、６・・・弁
室、８・・・ポペット弁体、１１・・・弁座、２１・・
・リリーフ弁、２２・・・デフレクタ、２３・・・油室
、２３Ａ・・・小径部、２３Ｂ・・・大径部。

Claims (2)

    【実用新案登録請求の範囲】
  1. （１）弁室内に収納したポペット弁体を弁座に離着座さ
    せることにより高圧側油室と低圧側油室との間を連通、
    遮断する直動形リリーフ弁において、前記ポペット弁体
    の先端部に非流線形状のデフレクタを突設したことを特
    徴とする直動形リリーフ弁。
  2. （２）　　前記弁室と前記低圧側油室とを連通させる油
    室を段付状に形成し、該油室の前記デフレクタ周辺部の
    穴径を前記弁座を形成した部分の穴径より大きくしたこ
    とを特徴とする実用新案登録請求の範囲（１）項記載の
    直動形リリーフ弁。
JP18784281U 1981-12-16 1981-12-16 直動形リリ−フ弁 Granted JPS5891071U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP18784281U JPS5891071U (ja) 1981-12-16 1981-12-16 直動形リリ−フ弁

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP18784281U JPS5891071U (ja) 1981-12-16 1981-12-16 直動形リリ−フ弁

Publications (2)

Publication Number Publication Date
JPS5891071U true JPS5891071U (ja) 1983-06-20
JPS6146291Y2 JPS6146291Y2 (ja) 1986-12-26

Family

ID=29990987

Family Applications (1)

Application Number Title Priority Date Filing Date
JP18784281U Granted JPS5891071U (ja) 1981-12-16 1981-12-16 直動形リリ−フ弁

Country Status (1)

Country Link
JP (1) JPS5891071U (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001108127A (ja) * 1999-08-05 2001-04-20 Fujikura Rubber Ltd 負圧リリーフ弁
JP2012177470A (ja) * 2011-01-31 2012-09-13 Saginomiya Seisakusho Inc 絞り弁装置

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4870094U (ja) * 1971-12-10 1973-09-04

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4870094U (ja) * 1971-12-10 1973-09-04

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001108127A (ja) * 1999-08-05 2001-04-20 Fujikura Rubber Ltd 負圧リリーフ弁
JP2012177470A (ja) * 2011-01-31 2012-09-13 Saginomiya Seisakusho Inc 絞り弁装置

Also Published As

Publication number Publication date
JPS6146291Y2 (ja) 1986-12-26

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