JPH0230586U - - Google Patents

Info

Publication number
JPH0230586U
JPH0230586U JP10870088U JP10870088U JPH0230586U JP H0230586 U JPH0230586 U JP H0230586U JP 10870088 U JP10870088 U JP 10870088U JP 10870088 U JP10870088 U JP 10870088U JP H0230586 U JPH0230586 U JP H0230586U
Authority
JP
Japan
Prior art keywords
valve
seat plate
valve seat
cover
shaft part
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
JP10870088U
Other languages
Japanese (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 JP10870088U priority Critical patent/JPH0230586U/ja
Publication of JPH0230586U publication Critical patent/JPH0230586U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Check Valves (AREA)
  • Details Of Valves (AREA)

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の無加圧時の断面図
、第２図は弁座板の平面図、第３図は開弁時の断
面図、第４図は閉弁時の断面図である。 １：弁座板、２：座面、３：後退面、４：中心
孔、５：弁口、６：弁体、７：軸部、８：厚肉部
、９：弁蓋、１０：大径部。 Fig. 1 is a sectional view of an embodiment of the present invention when no pressure is applied, Fig. 2 is a plan view of the valve seat plate, Fig. 3 is a sectional view when the valve is open, and Fig. 4 is a sectional view when the valve is closed. It is a diagram. 1: Valve seat plate, 2: Seat surface, 3: Recessed surface, 4: Center hole, 5: Valve port, 6: Valve body, 7: Shaft portion, 8: Thick wall portion, 9: Valve cover, 10: Large Diameter.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 中心孔の周りに弁口を透設した弁座板の前記中
心孔に軸部を摺動自由に嵌入し、該軸部の一端に
抜止用の大径部を、他端に前記弁口を覆う弁蓋を
、夫々、一体に形成した弾性材料からなる弁体を
設け、前記弁蓋の周縁部の前記弁座板への当接時
に、該弁蓋の中心部と前記弁座板との間に間隙が
生ずるように、前記弁座板の中心部が周縁部より
後退していることを特徴とする逆止弁。 A shaft part is slidably inserted into the center hole of a valve seat plate having a valve port transparent around the center hole, a large diameter part for preventing removal is provided at one end of the shaft part, and the valve port is provided at the other end of the shaft part. A valve body made of an elastic material is provided integrally with the valve cover to cover each valve cover, and when the peripheral edge of the valve cover comes into contact with the valve seat plate, the center part of the valve cover and the valve seat plate are brought into contact with each other. A check valve characterized in that a center portion of the valve seat plate is set back from a peripheral portion so that a gap is created between the valve seat plates.
JP10870088U 1988-08-18 1988-08-18 Pending JPH0230586U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10870088U JPH0230586U (en) 1988-08-18 1988-08-18

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10870088U JPH0230586U (en) 1988-08-18 1988-08-18

Publications (1)

Publication Number Publication Date
JPH0230586U true JPH0230586U (en) 1990-02-27

Family

ID=31344281

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10870088U Pending JPH0230586U (en) 1988-08-18 1988-08-18

Country Status (1)

Country Link
JP (1) JPH0230586U (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009250363A (en) * 2008-04-08 2009-10-29 Alps Electric Co Ltd Check valve
JP2011064289A (en) * 2009-09-18 2011-03-31 Seiko Epson Corp Check valve and liquid discharge device
JP2013049432A (en) * 2011-08-30 2013-03-14 Japan Crown Cork Co Ltd Spouting tool with check valve, and cap therefor
JP2014163529A (en) * 2013-02-21 2014-09-08 Noritz Corp Bathtub circulation adapter and bath hot water supply system having the same

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009250363A (en) * 2008-04-08 2009-10-29 Alps Electric Co Ltd Check valve
JP2011064289A (en) * 2009-09-18 2011-03-31 Seiko Epson Corp Check valve and liquid discharge device
US8616240B2 (en) 2009-09-18 2013-12-31 Seiko Epson Corporation Backflow prevention valve and fluid discharge device
JP2013049432A (en) * 2011-08-30 2013-03-14 Japan Crown Cork Co Ltd Spouting tool with check valve, and cap therefor
JP2014163529A (en) * 2013-02-21 2014-09-08 Noritz Corp Bathtub circulation adapter and bath hot water supply system having the same

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