JPS6326779U

JPS6326779U -

Info

Publication number: JPS6326779U
Application number: JP12037986U
Authority: JP
Priority date: 1986-08-07
Filing date: 1986-08-07
Publication date: 1988-02-22

Description

[Brief explanation of drawings]

第１〜２図はそれぞれ本考案の第一及び第二実
施例を示す部分縦断面図、第３図は本考案の第二
実施例のＡ部の部分拡大図である。１：ポンプ本体、２：シリンダ筒、３：端板、
４ａ，４ｂ：シリンダ孔、５：ピストン、６ａ：
第一ピストンロツド、６ｂ：第二ピストンロツド
、７：外筒、８ａ：吸入管、８ｂ：吐出管、９：
逆止弁、１０：吐出口、１１ａ，１１ｂ：給排口
、１２：切替用リミツタ、１３：密栓、１４：支
持腕、１５：近接スイツチ、１６：金属棒、１７
：外向フランジ、１８：圧縮ばね、１９：固定板
、２１：案内棒。 1 and 2 are partial longitudinal sectional views showing the first and second embodiments of the present invention, respectively, and FIG. 3 is a partially enlarged view of section A of the second embodiment of the present invention. 1: Pump body, 2: Cylinder tube, 3: End plate,
4a, 4b: cylinder hole, 5: piston, 6a:
First piston rod, 6b: Second piston rod, 7: Outer cylinder, 8a: Suction pipe, 8b: Discharge pipe, 9:
Check valve, 10: Discharge port, 11a, 11b: Supply/discharge port, 12: Switching limiter, 13: Seal plug, 14: Support arm, 15: Proximity switch, 16: Metal rod, 17
: Outward flange, 18: Compression spring, 19: Fixed plate, 21: Guide rod.

Claims

[Scope of utility model registration request]

A cylinder tube, a piston which is loosely fitted in an oil-tight manner so that at least the piston rod can be inserted into and taken out from the inside of the cylinder tube, and a piston which can be freely fitted in an oil-tight manner to the openings at both ends of the cylinder tube, Pressure is applied to both ends of the cylinder cylinder of the pump body, which consists of a pair of end plates having cylinder holes into which the first and second piston rods protruding from both end faces are fitted in an oil-tight and slidable manner. A mechanism is provided to connect the first and second supply and discharge pipes for supplying and discharging oil, and to reverse the phase of pressure oil supply and discharge in both the first and second supply and discharge pipes, and the above-mentioned 1. At the end of each cylinder hole farthest from the piston provided in the pair of end plates, there is a suction pipe with a check valve that allows liquid to flow only toward the cylinder hole, and another end that directs the liquid toward the opposite side of the cylinder hole. A hydraulic pump consisting of two ends of a discharge pipe each connected to a check valve that allows only the flow of water to flow.