JPS6015989U

JPS6015989U - plunger pump

Info

Publication number: JPS6015989U
Application number: JP10813483U
Authority: JP
Inventors: 黒満　廣
Original assignee: アイシン精機株式会社
Priority date: 1983-07-11
Filing date: 1983-07-11
Publication date: 1985-02-02

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

[Brief explanation of drawings]

図は本考案装置であるプランジャーポンプ部の縦断面図
である。１・・・・・・本体、２・・・・・・モータ、３・・・
・・・モータの軸端、５・・・・・・偏心カムの軸端、
６・・・・・・ラジアルベアリング、７・・・・・・プ
ランジャ、８・・・・・・スプリング、９・・・・・・
カム室、１０・・・・・・ポンプ室、１１・・・・・・
吐出弁、１２・・・・・・吸込弁、１３・・・・・・油
路、１４・・・・・・バイパス、１６．１６’・・・・
・・テーパバルブ面。The figure is a longitudinal sectional view of the plunger pump section of the device of the present invention. 1...Body, 2...Motor, 3...
... shaft end of the motor, 5 ... shaft end of the eccentric cam,
6...Radial bearing, 7...Plunger, 8...Spring, 9...
Cam chamber, 10... Pump chamber, 11...
Discharge valve, 12...Suction valve, 13...Oil passage, 14...Bypass, 16.16'...
...Tapered valve surface.

Claims

[Scope of utility model registration request]

A motor is fixed to the main body, the shaft end of an eccentric cam is engaged with the shaft end of the motor, a radial bearing is press-fitted on the entire circumferential surface of the eccentric cam, the outer peripheral space of the radial bearing is used as a cam chamber, One end surface of the plunger is brought into contact with the outer peripheral surface of the radial bearing, and the other end surface is constantly pressed by a spring toward the outer peripheral surface of the radial bearing, and the space around the spring and the other end surface of the plunger is provided as a pump chamber. In the plunger pump, a discharge valve and a suction valve are each connected to the pump chamber, an oil passage is provided on the outer periphery of the suction valve, the oil passage communicates with the cam chamber by a bypass, and the suction valve is integrated. A plunger pump, wherein the joint has a tapered valve surface on the pump chamber side, and the discharge valve also has a tapered valve surface on the pump chamber side.