JPS61178083U

JPS61178083U -

Info

Publication number: JPS61178083U
Application number: JP6146385U
Authority: JP
Priority date: 1985-04-23
Filing date: 1985-04-23
Publication date: 1986-11-06

Description

[Brief explanation of the drawing]

第１図は本考案を実施した複動ポンプの中央縦
断面図、第２図は逆止弁（ジヤツキバルブ）の中
央縦断面図である。図中、１はシリンダ、２，２は端壁、３は逆止
弁、４は吸込口、５は吐出口、７はピストン又は
プランジヤー、１０はめねじ、１１は中空ロツド
、１２は減速装置、１３は可逆回転モータ、１４
は回転軸、１５はねじ軸を示す。 FIG. 1 is a central vertical cross-sectional view of a double-acting pump embodying the present invention, and FIG. 2 is a central vertical cross-sectional view of a check valve. In the figure, 1 is a cylinder, 2 and 2 are end walls, 3 is a check valve, 4 is a suction port, 5 is a discharge port, 7 is a piston or plunger, 10 is a female thread, 11 is a hollow rod, 12 is a reduction gear, 13 is a reversible rotating motor, 14
15 indicates a rotating shaft, and 15 indicates a screw shaft.

Claims

[Scope of utility model registration request]

A piston or plunger built into a cylinder, which has a pair of suction ports and a discharge port on at least one of the front and rear end walls, has a piston or plunger built in the cylinder that has a suction port and a discharge port on at least one of the front and rear end walls. penetrate,
A hollow rod with a female thread is fixed to the inner peripheral surface of which a part of the rod is supported by the end wall, and a screw shaft connected to the rotating shaft of the reversible motor via a reduction gear is mounted inside the hollow rod. A reciprocating pump characterized by being screwed in.