JPH031304U

JPH031304U -

Info

Publication number: JPH031304U
Application number: JP6089989U
Authority: JP
Priority date: 1989-05-29
Filing date: 1989-05-29
Publication date: 1991-01-09

Description

[Brief explanation of drawings]

第１図は従来の二重油・空圧シリンダの構造を
示す断面図、第２図は同作動完了状態の断面図、
第３図は本考案の二重油・空圧シリンダの構造を
示す断面図、第４図は第１シリンダが作動中の断
面図である。１１……第１ピストン扞、１２……第２ピスト
ン扞、１３……シリンダ、１４……第１ポート、
１５……第２ポート、１６……第３ポート、１７
……第１ピストン板、１８……第２ピストン板、
１９……第１ピストンロツド、２２……制限リン
グ、２３……起動流体室、２４……流体連通ポー
ト。 Figure 1 is a cross-sectional view showing the structure of a conventional double oil/pneumatic cylinder, Figure 2 is a cross-sectional view of the same in its fully operational state,
FIG. 3 is a sectional view showing the structure of the dual oil/pneumatic cylinder of the present invention, and FIG. 4 is a sectional view of the first cylinder in operation. 11...First piston holder, 12...Second piston holder, 13...Cylinder, 14...First port,
15...Second port, 16...Third port, 17
...first piston plate, 18...second piston plate,
19...First piston rod, 22...Restriction ring, 23...Starting fluid chamber, 24...Fluid communication port.

Claims

[Scope of utility model registration request]

A first port is formed in the center part of the upper end, and extends together with the first port, an oil body guide pipe is extended along the central axis, a second port is formed in the lateral part of the upper end, and a second port is formed in the lateral part of the lower end. includes a cylinder in which a third port is formed, a second piston housed in the cylinder and having a second piston plate and a hollow second piston rod extending outward; and a first piston housed in the second piston. A plate and a first piston rod are provided, an oil body communication chamber is formed in the first piston rod, a ventilation fluid chamber is formed in the first piston plate, and an oil body is provided at the boundary between the first piston plate and the first piston rod. A double oil/pneumatic cylinder characterized in that the first piston is formed with a communicating rod, and the first piston and the second piston can freely move up and down within the cylinder.