JPS63190603U

JPS63190603U -

Info

Publication number: JPS63190603U
Application number: JP8282087U
Authority: JP
Priority date: 1987-05-29
Filing date: 1987-05-29
Publication date: 1988-12-08

Description

[Brief explanation of the drawing]

第１図、第２図は本考案の実施例に係るシリン
ダの縦断正面図、第３図は従来のシリンダの縦断
正面図である。２２…シリンダチユーブ、２３…メインピスト
ン、２４…メインピストンロツド、２５，２６…
圧力室、３４…ダンパー、３５…アウターチユー
ブ、３６…インナーチユーブ、３７…ピストン、
３８…中空ピストンロツド、３９…リザーバ室、
４０，４１…油室、ａ，ｂ…ｈ…オリフイス、３
２…プツシユ部材。 1 and 2 are longitudinal sectional front views of a cylinder according to an embodiment of the present invention, and FIG. 3 is a longitudinal sectional front view of a conventional cylinder. 22...Cylinder tube, 23...Main piston, 24...Main piston rod, 25, 26...
Pressure chamber, 34... damper, 35... outer tube, 36... inner tube, 37... piston,
38...Hollow piston rod, 39...Reservoir chamber,
40, 41...oil chamber, a, b...h...orifice, 3
2... Push member.

Claims

[Claims for Utility Model Registration] (1) A main piston rod is movably inserted into the cylinder tube via a main piston, and the main piston divides two pressure chambers in the cylinder tube, and the main piston rod One end of the cylinder protrudes outside the cylinder tube, and a damper is provided at the end of the cylinder tube on the main piston rod side.The damper consists of an outer tube and an inner tube arranged concentrically, and a piston inside the inner tube. a hollow piston rod movably inserted through the piston rod, a reservoir chamber divided into an outer tube and an inner tube, two oil chambers divided by the piston in the inner tube, a reservoir chamber and each oil chamber. The hollow piston rod is slidably inserted into the outer periphery of the main piston rod, one end of the hollow piston rod faces the main piston, and the other end is located near the outer end of the main piston rod. A cylinder facing the provided push member. (2) The cylinder according to claim 1, wherein the main piston, both ends of the hollow piston rod, and the push member are provided with cushion members. (3) The cylinder according to claim 1, wherein the orifice consists of a plurality of small holes provided in the inner tube. (4) The cylinder according to claim 1, which is provided with an accumulator in the reservoir. (5) The cylinder according to claim 1, wherein return springs are provided on both sides of the damper piston. (6) The cylinder according to claim 1, wherein the cylinder is an air cylinder.