JPS6448409U

JPS6448409U -

Info

Publication number: JPS6448409U
Application number: JP14295487U
Authority: JP
Priority date: 1987-09-21
Filing date: 1987-09-21
Publication date: 1989-03-24

Description

[Brief explanation of the drawing]

第１図から第５図は、本考案によるシリンダ装
置を示すためのもので、第１図は全体構成を示す
断面図、第２図は第１図の構成においてピストン
をストロークエンドの状態に移動した場合の断面
図、第３図及び第５図は他の実施例を示す断面図
、第４図は力と時間の関係を示す特性図、第６図
は従来構成を示す断面図である。１はシリンダチユーブ、２は第１シリンダブロ
ツク、３は第２シリンダブロツク、３ａは内面、
５は第１流体供給口、７は第２流体供給口、９は
ピストン、９ａは一面、１０はロツド、１２はシ
ールリング体、１３は空隙部である。 Figures 1 to 5 are for showing the cylinder device according to the present invention. Figure 1 is a sectional view showing the overall configuration, and Figure 2 is a piston moved to the stroke end state in the configuration shown in Figure 1. FIG. 3 and FIG. 5 are cross-sectional views showing other embodiments, FIG. 4 is a characteristic diagram showing the relationship between force and time, and FIG. 6 is a cross-sectional view showing a conventional configuration. 1 is a cylinder tube, 2 is a first cylinder block, 3 is a second cylinder block, 3a is an inner surface,
5 is a first fluid supply port, 7 is a second fluid supply port, 9 is a piston, 9a is one surface, 10 is a rod, 12 is a seal ring body, and 13 is a cavity.

Claims

[Claims for Utility Model Registration] (1) A first cylinder block 2 and a second cylinder block 3 provided at both ends of the cylinder tube 1, and a first fluid supply port 5 provided in each of the cylinder blocks 2 and 3. a second fluid supply port 7; a piston 9 which is movably provided within the cylinder tube 1 and has a rod 10 protruding outward;
A seal ring body 12 is provided between the one surface 9a of the piston 9 and the inner surface 3a of the second cylinder block 3, and when the one surface 9a of the piston 9 is in tight contact with the seal ring body 12, the one surface 9a and the seal ring body 12, the second fluid supply port 7 is in communication with a gap 13 formed by the seal ring body 12. (2) The cylinder device according to claim 1, wherein the seal ring body 12 is an O-ring. (3) Claims for registration of a utility model characterized in that the seal ring body 12 is held within a holding groove 11 formed in the second cylinder block 3, and one surface thereof protrudes from the holding groove 11. 1st
The cylinder device according to item 1 or 2. (4) The seal ring body 12 is held within a retaining groove 11 formed on one surface 9a of the piston 9, and one surface of the seal ring body 12 protrudes from the retaining groove 11. The cylinder device according to item 1 or 2. (5) The cylinder device according to any one of claims 1 to 4, wherein the second fluid supply port 7 is located inside the seal ring body 12. . (6) The cylinder device according to any one of claims 1 to 4, wherein the second fluid supply port 7 is located outside the seal ring body 12. .