JPS5853895U - Drainage structure of check valve for submerged pump discharge end - Google Patents

Drainage structure of check valve for submerged pump discharge end

Info

Publication number
JPS5853895U
JPS5853895U JP14874381U JP14874381U JPS5853895U JP S5853895 U JPS5853895 U JP S5853895U JP 14874381 U JP14874381 U JP 14874381U JP 14874381 U JP14874381 U JP 14874381U JP S5853895 U JPS5853895 U JP S5853895U
Authority
JP
Japan
Prior art keywords
check valve
discharge end
submerged pump
valve
pump discharge
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
JP14874381U
Other languages
Japanese (ja)
Inventor
三浦　亨吉
本沢　三成
今野　強
前田　栄三
Original Assignee
甲陽建設工業株式会社
日本鉱業株式会社
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 甲陽建設工業株式会社, 日本鉱業株式会社 filed Critical 甲陽建設工業株式会社
Priority to JP14874381U priority Critical patent/JPS5853895U/en
Publication of JPS5853895U publication Critical patent/JPS5853895U/en
Pending legal-status Critical Current

Links

Landscapes

  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Details Of Reciprocating Pumps (AREA)
  • 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) [Abstract] 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図は液中ポンプ、逆止弁および吐出管の配置の一例
を示す縦断面図、第２図および第３図は本考案の実施例
を示す縦断面図である。 １：ポンプ、２：逆止弁、２ａ：’Ｊフト型型止止弁２
ｂニスウイング型逆止弁、３：吐出管、４ニスプリング
、５：弁体、６：吐出側、７：流入側、８：孔、９：シ
ート面、１◎：溝。FIG. 1 is a longitudinal sectional view showing an example of the arrangement of a submerged pump, a check valve, and a discharge pipe, and FIGS. 2 and 3 are longitudinal sectional views showing an embodiment of the present invention. 1: Pump, 2: Check valve, 2a: 'J foot type stop valve 2
b Varnish wing type check valve, 3: discharge pipe, 4 spring, 5: valve body, 6: discharge side, 7: inflow side, 8: hole, 9: seat surface, 1◎: groove.

Claims (3)

【実用新案登録請求の範囲】[Scope of utility model registration request] （１）液中ポンプ吐出端に設けた逆止弁において、該弁
が閉じている状態で液体が逆流し得る細い流路を該弁内
に形成したことを特徴とする液中ポンプ吐出端用逆止弁
の液抜構造。(1) A check valve provided at the discharge end of a submerged pump, characterized in that a narrow channel is formed in the valve to allow liquid to flow backwards when the valve is closed. Check valve drain structure. （２）細い流路が、弁体に穿った孔である実用新案登録
請求の範囲第１項記載の液中ポンプ吐出端用逆止弁の液
抜構造。(2) A liquid draining structure for a check valve for a discharge end of a submerged pump according to claim 1, wherein the narrow flow path is a hole bored in a valve body. （３）細い流路が、弁体と接触するシート面に掘った溝
である実用新案登録請求の範囲第１項記載の液中ポンプ
吐出端用逆止弁の液抜構造。(3) A liquid draining structure for a check valve for a discharge end of a submerged pump according to claim 1, wherein the narrow flow path is a groove cut in the seat surface that contacts the valve body.
JP14874381U 1981-10-08 1981-10-08 Drainage structure of check valve for submerged pump discharge end Pending JPS5853895U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14874381U JPS5853895U (en) 1981-10-08 1981-10-08 Drainage structure of check valve for submerged pump discharge end

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14874381U JPS5853895U (en) 1981-10-08 1981-10-08 Drainage structure of check valve for submerged pump discharge end

Publications (1)

Publication Number Publication Date
JPS5853895U true JPS5853895U (en) 1983-04-12

Family

ID=29941550

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14874381U Pending JPS5853895U (en) 1981-10-08 1981-10-08 Drainage structure of check valve for submerged pump discharge end

Country Status (1)

Country Link
JP (1) JPS5853895U (en)

Similar Documents

Publication Publication Date Title
JPS5853895U (en) Drainage structure of check valve for submerged pump discharge end
JPS5840592U (en) vane pump
JPS6089472U (en) water hose
JPS5864871U (en) Eddy flow prevention device in pump water suction tank
JPS5816470U (en) valve device
JPS58130179U (en) Valve structure for preventing water hammering
JPS59146661U (en) switching valve
JPS6031372U (en) Nozzle with width adjustment piston
JPS59106532U (en) Two-fluid mixing device
JPS6032481U (en) Drainage basin with trap
JPS60138075U (en) non-return valve
JPS58155465U (en) Low noise balanced piston type relief valve
JPS58109667U (en) check valve
JPS58162380U (en) under drain pipe
JPS5947376U (en) check valve device
JPS5988575U (en) ball tap
JPS5921056U (en) valve device
JPS58134467U (en) Toilet flushing device
JPS6186580U (en)
JPS58118273U (en) Runner back pressure pulsation reduction device
JPS58171924U (en) Water supply pipe
JPS58189863U (en) check valve device
JPS59135396U (en) centrifugal pump
JPS6137207U (en) Sedimentation tank
JPS5894960U (en) bulkhead valve