JPH0476976U - - Google Patents

Info

Publication number
JPH0476976U
JPH0476976U JP12094490U JP12094490U JPH0476976U JP H0476976 U JPH0476976 U JP H0476976U JP 12094490 U JP12094490 U JP 12094490U JP 12094490 U JP12094490 U JP 12094490U JP H0476976 U JPH0476976 U JP H0476976U
Authority
JP
Japan
Prior art keywords
piston
ball valve
fitted
eccentric cam
suction passage
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
JP12094490U
Other languages
Japanese (ja)
Other versions
JP2553637Y2 (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 JP1990120944U priority Critical patent/JP2553637Y2/en
Publication of JPH0476976U publication Critical patent/JPH0476976U/ja
Application granted granted Critical
Publication of JP2553637Y2 publication Critical patent/JP2553637Y2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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  • Details Of Reciprocating Pumps (AREA)

Description

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

第１図は第２図の要部を拡大した図、第２図は
本考案の一実施例に係るピストンポンプの縦断面
図、第３図は第１図の要部を拡大した図、第４図
は従来のピストンポンプの第１図と同一の部分を
示す図である。 ６ｂ……シリンダ、８……回転軸、１０……偏
心カム、１４……ピストン、１４ｃ……ピストン
の貫通穴、２２……吸込通路、２４……ボール弁
、２６……スプリングピン。 FIG. 1 is an enlarged view of the main part of FIG. 2, FIG. 2 is a longitudinal cross-sectional view of a piston pump according to an embodiment of the present invention, and FIG. FIG. 4 is a diagram showing the same parts as FIG. 1 of the conventional piston pump. 6b... Cylinder, 8... Rotating shaft, 10... Eccentric cam, 14... Piston, 14c... Piston through hole, 22... Suction passage, 24... Ball valve, 26... Spring pin.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 回転軸に固定された偏心カムと、この偏心カム
の回転によつてシリンダ内を往復動するピストン
と、このピストンの内部に形成された吸込通路と
、この吸込通路を開閉するボール弁と、上記ピス
トンに形成された直径方向の貫通穴内に圧入され
てボール弁の抜け止めを行うスプリングピンとを
備えたピストンポンプにおいて、上記ピストンの
貫通穴内に圧入されたスプリングピンの両端をか
しめて拡開させたことを特徴とするピストンポン
プ。 An eccentric cam fixed to a rotating shaft, a piston that reciprocates within a cylinder by rotation of the eccentric cam, a suction passage formed inside the piston, a ball valve that opens and closes this suction passage, and the above-mentioned In a piston pump equipped with a spring pin that is press-fitted into a diametrical through-hole formed in the piston to prevent the ball valve from coming out, both ends of the spring pin press-fitted into the through-hole of the piston are swaged and expanded. A piston pump characterized by:
JP1990120944U 1990-11-19 1990-11-19 Piston pump Expired - Fee Related JP2553637Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1990120944U JP2553637Y2 (en) 1990-11-19 1990-11-19 Piston pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1990120944U JP2553637Y2 (en) 1990-11-19 1990-11-19 Piston pump

Publications (2)

Publication Number Publication Date
JPH0476976U true JPH0476976U (en) 1992-07-06
JP2553637Y2 JP2553637Y2 (en) 1997-11-12

Family

ID=31868824

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1990120944U Expired - Fee Related JP2553637Y2 (en) 1990-11-19 1990-11-19 Piston pump

Country Status (1)

Country Link
JP (1) JP2553637Y2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009074456A (en) * 2007-09-21 2009-04-09 Denso Corp Pump
JP2009082866A (en) * 2007-10-02 2009-04-23 Takubo Engineering Co Ltd Coating supply syringe

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4921403U (en) * 1972-05-26 1974-02-23
JPS58182465A (en) * 1982-04-20 1983-10-25 Yaskawa Electric Mfg Co Ltd Brushless motor
JPS60102750A (en) * 1983-11-09 1985-06-06 Nitto Electric Ind Co Ltd Conductive adhesive film for fixing semiconductor element
JPS6210280U (en) * 1985-07-04 1987-01-22
JPS6373725A (en) * 1986-09-16 1988-04-04 Nec Corp Phase adjusting system in mobile communication system
JPH01176766U (en) * 1988-06-02 1989-12-18

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4921403U (en) * 1972-05-26 1974-02-23
JPS58182465A (en) * 1982-04-20 1983-10-25 Yaskawa Electric Mfg Co Ltd Brushless motor
JPS60102750A (en) * 1983-11-09 1985-06-06 Nitto Electric Ind Co Ltd Conductive adhesive film for fixing semiconductor element
JPS6210280U (en) * 1985-07-04 1987-01-22
JPS6373725A (en) * 1986-09-16 1988-04-04 Nec Corp Phase adjusting system in mobile communication system
JPH01176766U (en) * 1988-06-02 1989-12-18

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009074456A (en) * 2007-09-21 2009-04-09 Denso Corp Pump
JP2009082866A (en) * 2007-10-02 2009-04-23 Takubo Engineering Co Ltd Coating supply syringe

Also Published As

Publication number Publication date
JP2553637Y2 (en) 1997-11-12

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Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees