JPS6213208U - - Google Patents
Info
- Publication number
- JPS6213208U JPS6213208U JP1985104341U JP10434185U JPS6213208U JP S6213208 U JPS6213208 U JP S6213208U JP 1985104341 U JP1985104341 U JP 1985104341U JP 10434185 U JP10434185 U JP 10434185U JP S6213208 U JPS6213208 U JP S6213208U
- Authority
- JP
- Japan
- Prior art keywords
- piston
- cylinder
- annular groove
- hole
- rod
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000012856 packing Methods 0.000 claims description 2
Description
第１図は本考案によるシリンダの一実施例の一
部分の断面図、第２図は第１図のシリンダの異な
る動作状態を示す図、第３図は従来のシリンダの
断面図である。
１：エアシリンダ、２：シリンダチユーブ、３
：ロツドカバー、４：ピストン、５：ピストンロ
ツド、６：貫通穴、１１：環状溝、１２：可動パ
ツキン、１５：排出ポート。
FIG. 1 is a partial sectional view of an embodiment of a cylinder according to the present invention, FIG. 2 is a view showing the cylinder of FIG. 1 in different operating states, and FIG. 3 is a sectional view of a conventional cylinder. 1: Air cylinder, 2: Cylinder tube, 3
: Rod cover, 4: Piston, 5: Piston rod, 6: Through hole, 11: Annular groove, 12: Movable packing, 15: Discharge port.
Claims (1)
チユーブ内にピストンを移動可能に設け、該ピス
トンに固定したピストンロツドを該ロツドカバー
の貫通穴を通して伸長させたシリンダにおいて、
該貫通穴の内周には軸方向に伸びる環状溝を形成
し、該環状溝内には内径が該ピストンロツドの外
径よりもかなり小さな可動パツキンを環状溝の範
囲内で該ピストンロツドと共に移動可能に設け、
該ロツドカバーには該環状溝とシリンダ室との間
に該貫通穴に通じるチエツク弁付き排出ポートを
設けたことを特徴とするシリンダ。 A cylinder in which a piston is movably provided in a cylinder tube whose one end is sealed by a rod cover, and a piston rod fixed to the piston is extended through a through hole in the rod cover,
An annular groove extending in the axial direction is formed on the inner periphery of the through hole, and a movable packing whose inner diameter is considerably smaller than the outer diameter of the piston rod is movable within the annular groove together with the piston rod. established,
A cylinder characterized in that the rod cover is provided with a discharge port with a check valve that communicates with the through hole between the annular groove and the cylinder chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985104341U JPS6213208U (en) | 1985-07-09 | 1985-07-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985104341U JPS6213208U (en) | 1985-07-09 | 1985-07-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6213208U true JPS6213208U (en) | 1987-01-27 |
Family
ID=30977747
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1985104341U Pending JPS6213208U (en) | 1985-07-09 | 1985-07-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6213208U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010144828A (en) * | 2008-12-18 | 2010-07-01 | Ckd Corp | Pneumatic device |
| WO2019239673A1 (en) * | 2018-06-12 | 2019-12-19 | 株式会社アルバック | Gate valve device |
-
1985
- 1985-07-09 JP JP1985104341U patent/JPS6213208U/ja active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010144828A (en) * | 2008-12-18 | 2010-07-01 | Ckd Corp | Pneumatic device |
| WO2019239673A1 (en) * | 2018-06-12 | 2019-12-19 | 株式会社アルバック | Gate valve device |
| US11002366B2 (en) | 2018-06-12 | 2021-05-11 | Ulvac, Inc. | Gate valve device |