JPS5822474U - Check valve for pump - Google Patents

Check valve for pump

Info

Publication number
JPS5822474U
JPS5822474U JP11529381U JP11529381U JPS5822474U JP S5822474 U JPS5822474 U JP S5822474U JP 11529381 U JP11529381 U JP 11529381U JP 11529381 U JP11529381 U JP 11529381U JP S5822474 U JPS5822474 U JP S5822474U
Authority
JP
Japan
Prior art keywords
main body
recirculation
hole
valve body
check valve
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
JP11529381U
Other languages
Japanese (ja)
Other versions
JPS6226628Y2 (en
Inventor
江口　勝美
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to JP11529381U priority Critical patent/JPS5822474U/en
Publication of JPS5822474U publication Critical patent/JPS5822474U/en
Application granted granted Critical
Publication of JPS6226628Y2 publication Critical patent/JPS6226628Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Control Of Non-Positive-Displacement Pumps (AREA)
  • Check Valves (AREA)
  • Details Of Reciprocating Pumps (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 drawings]

第１図は従来のポンプ用逆止弁の縦断面図、第２図は従
来および本考案のポンプ用逆止弁の再循環流量の特性図
および第３図はこの考案のポンプ用逆止弁の一例を示す
縦断面図である。 １・・・逆止弁、２・・・弁箱、５・・・分岐部、７・
・・逆止弁弁体、１５．３１・・・再循環弁、３３・・
・底板、３５・・・流出孔、３７・・・連通孔、３８・
・・カバー、３９・・・軸孔、４２・・・再循環弁弁体
、４３・・・排出管、４９・・・パイロット弁、５０・
・・パイロット弁弁体、５６・・・調節駒。Figure 1 is a vertical cross-sectional view of a conventional pump check valve, Figure 2 is a characteristic diagram of recirculation flow rate of the conventional and present pump check valves, and Figure 3 is the pump check valve of the present invention. It is a longitudinal cross-sectional view showing an example. 1... Check valve, 2... Valve box, 5... Branch, 7...
・・Check valve body, 15.31 ・Recirculation valve, 33・・
・Bottom plate, 35...Outflow hole, 37...Communication hole, 38.
... Cover, 39 ... Shaft hole, 42 ... Recirculation valve body, 43 ... Discharge pipe, 49 ... Pilot valve, 50 ...
...Pilot valve body, 56...Adjustment piece.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 弁箱２の側方に突出し、再循環回路に連絡する円筒状の
分岐部５を有し、分岐部に逆止弁弁体７に係合するレバ
ー６４により作動される再循環弁３１を取り付けたりフ
ト逆止弁において、前記再循環弁３１が、一端が再循環
回路に連通ずる流出孔３５を有する底板３３で塞がれ、
前記分岐部と流出孔とを連絡する連通孔３７を有する円
筒状本体３６と、本体の他端に取り付けられ中央に軸孔
３９を有するカバー３８と、カップ状をなし、底部に前
記流出孔に連通ずる排出管４３を有し、本体内に本体筒
軸に沿って摺動自在にはめ込まれ、前記流出孔を開閉す
る再循環弁弁体４２と、前記カバーの軸孔を貫通し、本
体筒軸に沿って移動自在であり、前記再循環弁弁体に設
けた排出管の開口を開閉する棒状のパイロット弁弁体５
０と、パイロット弁弁体の前記カバーより突出する部分
にねじ込まれ、前記レバーの一端と係合する調節駒゛５
６とからなることを特徴とするポンプ用逆止弁。It has a cylindrical branch part 5 that protrudes from the side of the valve box 2 and communicates with the recirculation circuit, and a recirculation valve 31 that is operated by a lever 64 that engages with the check valve body 7 is attached to the branch part. In the orifice check valve, the recirculation valve 31 is closed by a bottom plate 33 having an outflow hole 35 at one end communicating with the recirculation circuit,
A cylindrical main body 36 having a communication hole 37 connecting the branch part and the outflow hole, a cover 38 attached to the other end of the main body and having an axial hole 39 in the center, and a cup-shaped body 36 having a bottom part connected to the outflow hole. It has a discharge pipe 43 that communicates with the main body, and is slidably fitted into the main body along the main body cylindrical axis, and a recirculation valve body 42 that opens and closes the outlet hole, and a recirculation valve body 42 that passes through the axial hole of the cover and is slidably fitted into the main body along the main body cylinder axis. A rod-shaped pilot valve body 5 that is movable along the axis and opens and closes the opening of the discharge pipe provided in the recirculation valve body.
0, and an adjustment piece 5 screwed into a portion of the pilot valve body protruding from the cover and engaging with one end of the lever.
6. A pump check valve comprising:
JP11529381U 1981-08-04 1981-08-04 Check valve for pump Granted JPS5822474U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11529381U JPS5822474U (en) 1981-08-04 1981-08-04 Check valve for pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11529381U JPS5822474U (en) 1981-08-04 1981-08-04 Check valve for pump

Publications (2)

Publication Number Publication Date
JPS5822474U true JPS5822474U (en) 1983-02-12
JPS6226628Y2 JPS6226628Y2 (en) 1987-07-08

Family

ID=29909560

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11529381U Granted JPS5822474U (en) 1981-08-04 1981-08-04 Check valve for pump

Country Status (1)

Country Link
JP (1) JPS5822474U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61168364U (en) * 1985-04-06 1986-10-18

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61168364U (en) * 1985-04-06 1986-10-18

Also Published As

Publication number Publication date
JPS6226628Y2 (en) 1987-07-08

Similar Documents

Publication Publication Date Title
JPS5822474U (en) Check valve for pump
JPS5835066U (en) solenoid valve
JPS6038860U (en) Load responsive fluid pressure control valve
JPS6012777U (en) Solenoid valve for cold regions
JPS59182717U (en) pressure regulating valve
JPS5956465U (en) sequence valve
JPS59177786U (en) Water supply and distribution mechanism using a pump
JPS5891072U (en) relief valve
JPH0437075U (en)
JPS591998U (en) Grease supply valve control device
JPS5996400U (en) Automatic stop device for oil supply pump
JPH01173577U (en)
JPS6056872U (en) Pressure flow control valve spool
JPS597971U (en) constant flow valve
JPS6057794U (en) Discharge rate control device for variable discharge rate pump
JPS6292301U (en)
JPS5858528U (en) Flow rate adjustment device for injection molding machine
JPS59174471U (en) solenoid valve
JPS5844576U (en) three-way solenoid valve
JPS5911961U (en) constant flow valve
JPS60150380U (en) flow pressure control valve
JPS5861976U (en) valve device
JPS608461U (en) fuel kottoku
JPS644842U (en)
JPS60188539U (en) Pump type liquid container