JPS63168373U - - Google Patents

Info

Publication number
JPS63168373U
JPS63168373U JP6217187U JP6217187U JPS63168373U JP S63168373 U JPS63168373 U JP S63168373U JP 6217187 U JP6217187 U JP 6217187U JP 6217187 U JP6217187 U JP 6217187U JP S63168373 U JPS63168373 U JP S63168373U
Authority
JP
Japan
Prior art keywords
valve
check valve
chamber
spring
connecting rod
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
JP6217187U
Other languages
English (en)
Other versions
JPH0429166Y2 (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 JP6217187U priority Critical patent/JPH0429166Y2/ja
Publication of JPS63168373U publication Critical patent/JPS63168373U/ja
Application granted granted Critical
Publication of JPH0429166Y2 publication Critical patent/JPH0429166Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Check Valves (AREA)

Description

【図面の簡単な説明】
第１図は本考案実施例の正面断面図、第２図乃
至第５図は従来例を示すもので第２図はその平面
図、第３図は第２図のＡ―Ａ断面図、第４図は第
２図のＢ―Ｂ断面、第５図は第２図のＣ―Ｃ断面
図である。 １０……本体、９……連結棒、３４……一次側
逆止弁、３６……二次側逆止弁、７２，７３……
弁体、３８，３９……弁座、７８……第１のバネ
、７９……第２のバネ、２８……入口室、３０…
…中央室、３２……出口室、９０……逃し弁。

Claims (1)

    【実用新案登録請求の範囲】
  1. 弁箱内に入口室と中央室と出口室を軸線上に並
    べ、前記入口室と中央室との間に一次逆止弁を設
    け、前記中央室と出口室との間に二次逆止弁を設
    け、前記中央室には逃し弁を介して逃し室へ流体
    を逃せる様にした逆流防止弁において、前記一次
    側逆止弁の弁体に弁棒を連結し、該弁棒は弁箱内
    に係止した第１のバネと係合させて前記弁体を一
    時側逆止弁の弁座側に付勢させるとともに前記弁
    体に連結棒を連結し、連結棒は段部を設けて二次
    側逆止弁の弁体内に挿通し、該挿通した端部に第
    ２のバネを係止して二次側逆止弁の弁体と係合さ
    せ、該弁体を二次側逆止弁の弁座側に付勢せる様
    にしたことを特徴とする逆流防止弁。
JP6217187U 1987-04-24 1987-04-24 Expired JPH0429166Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6217187U JPH0429166Y2 (ja) 1987-04-24 1987-04-24

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6217187U JPH0429166Y2 (ja) 1987-04-24 1987-04-24

Publications (2)

Publication Number Publication Date
JPS63168373U true JPS63168373U (ja) 1988-11-02
JPH0429166Y2 JPH0429166Y2 (ja) 1992-07-15

Family

ID=30896188

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6217187U Expired JPH0429166Y2 (ja) 1987-04-24 1987-04-24

Country Status (1)

Country Link
JP (1) JPH0429166Y2 (ja)

Also Published As

Publication number Publication date
JPH0429166Y2 (ja) 1992-07-15

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