JPH0341280U - - Google Patents

Info

Publication number
JPH0341280U
JPH0341280U JP10225189U JP10225189U JPH0341280U JP H0341280 U JPH0341280 U JP H0341280U JP 10225189 U JP10225189 U JP 10225189U JP 10225189 U JP10225189 U JP 10225189U JP H0341280 U JPH0341280 U JP H0341280U
Authority
JP
Japan
Prior art keywords
fluid passage
head
support part
pedestal
outer diameter
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
JP10225189U
Other languages
Japanese (ja)
Other versions
JP2511021Y2 (en
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 JP1989102251U priority Critical patent/JP2511021Y2/en
Publication of JPH0341280U publication Critical patent/JPH0341280U/ja
Application granted granted Critical
Publication of JP2511021Y2 publication Critical patent/JP2511021Y2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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  • Check Valves (AREA)

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図は本考案の一実施例に採用された逆止弁
を示す断面図、第２図はモータ式燃料ポンプを示
す半断面図、第３図はモデル実験に使用された各
種のバルブの側面図、第４図はモデル実験に使用
された各種のバルブと振動開始流速との関係を表
したグラフ、第５図は従来の逆止弁を示す断面図
である。 図中、１……モータ式燃料ポンプ、２……逆止
弁、３……流路管、４……バルブ、５……ガイド
、４１……頭部、４２……台座部、４３……支持
部、４４……最大径部、４５……支持部側端部、
４６……外周面。 Fig. 1 is a sectional view showing a check valve adopted in an embodiment of the present invention, Fig. 2 is a half sectional view showing a motor-type fuel pump, and Fig. 3 is a sectional view of various valves used in the model experiment. A side view, FIG. 4 is a graph showing the relationship between various valves used in the model experiment and vibration start flow velocity, and FIG. 5 is a sectional view showing a conventional check valve. In the figure, 1... motor fuel pump, 2... check valve, 3... flow pipe, 4... valve, 5... guide, 41... head, 42... pedestal, 43... Support part, 44... Maximum diameter part, 45... Support part side end,
46...Outer peripheral surface.

Claims (1)

【実用新案登録請求の範囲】 内部を流体が一方から他方に向かつて流れる流
体通路と、 該流体通路内に進退自在に配設されているとと
もに、前記流体の逆流時に前記流体通路を塞ぐ頭
部、該頭部の下流側より突設された、前記頭部の
最大径部の外径より小さい外径の棒状支持部、お
よび前記頭部と前記支持部とを連結する台座部を
有するバルブと、 前記流体通路内に配設され、前記支持部が挿入
され、前記支持部を進退方向に案内する、前記台
座部の外径より小さい内径のガイドと を備え、 前記台座部は、前記頭部の最大径部の外周と前
記台座部の前記支持部側の端部の外周とを直線で
結んで形成される外面形状より内側に外周面を有
することを特徴とする逆止弁。[Claims for Utility Model Registration] A fluid passage through which a fluid flows from one side to the other, and a head that is disposed in the fluid passage so as to be able to move forward and backward, and that blocks the fluid passage when the fluid flows back. , a valve having a rod-shaped support part that protrudes from the downstream side of the head part and has an outer diameter smaller than the outer diameter of the maximum diameter part of the head part, and a pedestal part that connects the head part and the support part; , a guide having an inner diameter smaller than an outer diameter of the pedestal part, which is disposed in the fluid passage, into which the support part is inserted, and which guides the support part in a forward and backward direction; A check valve having an outer circumferential surface inside an outer surface shape formed by connecting the outer circumference of the maximum diameter part of the base part and the outer circumference of the end part on the support part side of the pedestal part with a straight line.
JP1989102251U 1989-08-31 1989-08-31 Check valve Expired - Lifetime JP2511021Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1989102251U JP2511021Y2 (en) 1989-08-31 1989-08-31 Check valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1989102251U JP2511021Y2 (en) 1989-08-31 1989-08-31 Check valve

Publications (2)

Publication Number Publication Date
JPH0341280U true JPH0341280U (en) 1991-04-19
JP2511021Y2 JP2511021Y2 (en) 1996-09-18

Family

ID=31651159

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1989102251U Expired - Lifetime JP2511021Y2 (en) 1989-08-31 1989-08-31 Check valve

Country Status (1)

Country Link
JP (1) JP2511021Y2 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000346220A (en) * 1999-06-07 2000-12-15 Toyota Autom Loom Works Ltd Check valve
JP2002202227A (en) * 2000-12-27 2002-07-19 Ishikawajima Harima Heavy Ind Co Ltd How to make test pieces
JP2006170433A (en) * 2004-11-22 2006-06-29 Fuji Techno Industries Corp Valve device

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55135885U (en) * 1979-03-20 1980-09-27
JPS57154565A (en) * 1981-03-17 1982-09-24 Yutaka Yamada Lift type check valve
JPS57184770A (en) * 1981-04-24 1982-11-13 Bosch Gmbh Robert Check valve for fuel feeder
JPS6230069U (en) * 1985-08-09 1987-02-23

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55135885U (en) * 1979-03-20 1980-09-27
JPS57154565A (en) * 1981-03-17 1982-09-24 Yutaka Yamada Lift type check valve
JPS57184770A (en) * 1981-04-24 1982-11-13 Bosch Gmbh Robert Check valve for fuel feeder
JPS6230069U (en) * 1985-08-09 1987-02-23

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000346220A (en) * 1999-06-07 2000-12-15 Toyota Autom Loom Works Ltd Check valve
JP2002202227A (en) * 2000-12-27 2002-07-19 Ishikawajima Harima Heavy Ind Co Ltd How to make test pieces
JP2006170433A (en) * 2004-11-22 2006-06-29 Fuji Techno Industries Corp Valve device

Also Published As

Publication number Publication date
JP2511021Y2 (en) 1996-09-18

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R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

EXPY Cancellation because of completion of term