JPS5988566U - backflow prevention valve - Google Patents

backflow prevention valve

Info

Publication number
JPS5988566U
JPS5988566U JP18393082U JP18393082U JPS5988566U JP S5988566 U JPS5988566 U JP S5988566U JP 18393082 U JP18393082 U JP 18393082U JP 18393082 U JP18393082 U JP 18393082U JP S5988566 U JPS5988566 U JP S5988566U
Authority
JP
Japan
Prior art keywords
valve body
cylinder
backflow prevention
prevention valve
gasket
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
JP18393082U
Other languages
Japanese (ja)
Other versions
JPS6111569Y2 (en
Inventor
成弘 加藤
Original Assignee
株式会社光合金製作所
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 株式会社光合金製作所 filed Critical 株式会社光合金製作所
Priority to JP18393082U priority Critical patent/JPS5988566U/en
Publication of JPS5988566U publication Critical patent/JPS5988566U/en
Application granted granted Critical
Publication of JPS6111569Y2 publication Critical patent/JPS6111569Y2/ja
Granted legal-status Critical Current

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  • Check 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 the drawing]

第１図は本考案の一実施例を示す断面図、第２図は第１
図弁体のＡ−Ａ部分の断面図、第３図、第４図は本考案
の他の実施例を示す断面図、第５図は第４図弁体のＢ−
Ｂ部分の断面図である。Fig. 1 is a sectional view showing one embodiment of the present invention, and Fig. 2 is a cross-sectional view showing an embodiment of the present invention.
3 and 4 are sectional views showing other embodiments of the present invention, and FIG. 5 is a sectional view taken along the line A-A of the valve body shown in FIG.
It is a sectional view of part B.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 内部にシリンダを有する弁本体と、上記シリンダに密着
するコム類の環状パツキンを装着するためのパツキン溝
と、上記パツキン溝の両側に流入側、流出側鍔部を有す
る弁体とを備え、上記弁体は、上記流入側鍔部の円周上
の一部をパツキン溝に到達するーよケに切欠いてシリン
ダとの間に上記環状パツキンの逃げ部を形成し、流出側
に発生した異常上昇圧力を流入側に逃がすようにしたこ
とを特徴とする逆流防止弁。The valve body includes a valve body having a cylinder inside, a gasket groove for mounting an annular gasket of a comb that closely contacts the cylinder, and a valve body having an inflow side and an outflow side collar portion on both sides of the gasket groove, The valve body cuts out a part of the circumference of the inlet side flange so as to reach the packing groove to form a relief part of the annular packing between it and the cylinder, and prevents abnormal rise occurring on the outflow side. A non-return valve characterized by allowing pressure to escape to the inflow side.
JP18393082U 1982-12-04 1982-12-04 backflow prevention valve Granted JPS5988566U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP18393082U JPS5988566U (en) 1982-12-04 1982-12-04 backflow prevention valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP18393082U JPS5988566U (en) 1982-12-04 1982-12-04 backflow prevention valve

Publications (2)

Publication Number Publication Date
JPS5988566U true JPS5988566U (en) 1984-06-15
JPS6111569Y2 JPS6111569Y2 (en) 1986-04-11

Family

ID=30397948

Family Applications (1)

Application Number Title Priority Date Filing Date
JP18393082U Granted JPS5988566U (en) 1982-12-04 1982-12-04 backflow prevention valve

Country Status (1)

Country Link
JP (1) JPS5988566U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004003665A (en) * 2002-06-01 2004-01-08 Robert Bosch Gmbh Check valve
JP2010117022A (en) * 2008-11-14 2010-05-27 Tlv Co Ltd Check valve

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004003665A (en) * 2002-06-01 2004-01-08 Robert Bosch Gmbh Check valve
JP2010117022A (en) * 2008-11-14 2010-05-27 Tlv Co Ltd Check valve

Also Published As

Publication number Publication date
JPS6111569Y2 (en) 1986-04-11

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