JPH0484806U - - Google Patents
Info
- Publication number
- JPH0484806U JPH0484806U JP12667790U JP12667790U JPH0484806U JP H0484806 U JPH0484806 U JP H0484806U JP 12667790 U JP12667790 U JP 12667790U JP 12667790 U JP12667790 U JP 12667790U JP H0484806 U JPH0484806 U JP H0484806U
- Authority
- JP
- Japan
- Prior art keywords
- cylinder body
- piston
- outer rod
- rod
- cylinder
- 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.)
- Granted
Links
Landscapes
- Actuator (AREA)
Description
第１図は本考案の実施例に係るアクチユエータ
の縦断面図、第２図は一部切欠きした平面図、第
３図は斜視図、第４図はチヤツクの平面図、第５
図は従来例に係るアクチユエータの斜視図である
。
２０……第１のシリンダ本体、２１……第１の
ピストン、２１ａ……貫通孔、２２……スプライ
ンナツト、２３……アウターロツド、２３ａ……
スプライン溝、２４……ピストンシヤフト、２５
，２６，３４，３５……圧力供給ポート、２７…
…第２のシリンダ本体、２８……第２のピストン
、２９……インナーロツド、３０……作動体支持
部、３１……チヤツク、３２……爪、３３……リ
ンク、３６……ストローク調整機構。
Fig. 1 is a longitudinal sectional view of an actuator according to an embodiment of the present invention, Fig. 2 is a partially cutaway plan view, Fig. 3 is a perspective view, Fig. 4 is a plan view of the chuck, and Fig. 5
The figure is a perspective view of an actuator according to a conventional example. 20...First cylinder body, 21...First piston, 21a...Through hole, 22...Spline nut, 23...Outer rod, 23a...
Spline groove, 24...Piston shaft, 25
, 26, 34, 35...pressure supply port, 27...
... second cylinder body, 28 ... second piston, 29 ... inner rod, 30 ... operating body support section, 31 ... chuck, 32 ... pawl, 33 ... link, 36 ... stroke adjustment mechanism.
Claims (1)
第１のシリンダ本体２０と、前記第１のシリンダ
本体２０の内部に固定されたスプラインナツト２
２と、前記第１のピストン２１に接続され、前記
第１のシリンダ本体２０に往復動自在に貫挿され
、前記スプラインナツト２２に係合支持された中
空のアウターロツド２３と、前記第１のシリンダ
本体２０の外部に配置され、前記アウターロツド
２３の一端に固定された第２のシリンダ本体２７
と、前記第２のシリンダ本体２７に往復動自在に
内挿された第２のピストン２８と、前記アウター
ロツド２３の中空部に往復動自在に貫挿され、そ
の一端を前記第２のシリンダ本体２７に往復動自
在に内挿し、該一端を前記第２のピストン２８に
接続したインナーロツド２９と、前記第１のシリ
ンダ本体２０の外部に配置され、前記アウターロ
ツド２３の他端に固定された作動体支持部３０と
、前記作動体支持部３０に支持され、前記インナ
ーロツド２９の他端に接続され、前記インナーロ
ツド２９の往復動にしたがつて動作するチヤツク
３１などの作動体と、を備えたアクチユエータ。 ２ 前記第１のシリンダ本体２０と第２のシリン
ダ本体２７との間に、該第２のシリンダ本体２７
のストロークを調整するストローク調整機構３６
を設けたことを特徴とする第１項記載のアクチユ
エータ。[Claims for Utility Model Registration] 1. A first cylinder body 20 into which a first piston 21 is reciprocatably inserted, and a spline nut 2 fixed inside the first cylinder body 20.
2, a hollow outer rod 23 connected to the first piston 21, reciprocably inserted through the first cylinder body 20, and engaged and supported by the spline nut 22; and the first cylinder. a second cylinder body 27 disposed outside the body 20 and fixed to one end of the outer rod 23;
A second piston 28 is reciprocatably inserted into the second cylinder body 27, and a second piston 28 is reciprocatably inserted into the hollow part of the outer rod 23, and one end of the piston 28 is inserted into the second cylinder body 27. an inner rod 29 that is reciprocably inserted into the cylinder body and has one end connected to the second piston 28; and an actuator support that is disposed outside the first cylinder body 20 and fixed to the other end of the outer rod 23. 30; and an actuating body such as a chuck 31 which is supported by the actuating body support part 30, connected to the other end of the inner rod 29, and operates in accordance with the reciprocating movement of the inner rod 29. 2 between the first cylinder body 20 and the second cylinder body 27, the second cylinder body 27
Stroke adjustment mechanism 36 that adjusts the stroke of
2. The actuator according to claim 1, further comprising:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990126677U JP2546749Y2 (en) | 1990-11-30 | 1990-11-30 | Actuator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990126677U JP2546749Y2 (en) | 1990-11-30 | 1990-11-30 | Actuator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0484806U true JPH0484806U (en) | 1992-07-23 |
| JP2546749Y2 JP2546749Y2 (en) | 1997-09-03 |
Family
ID=31874218
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990126677U Expired - Lifetime JP2546749Y2 (en) | 1990-11-30 | 1990-11-30 | Actuator |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2546749Y2 (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55144205U (en) * | 1979-04-03 | 1980-10-16 | ||
| JPS5880601U (en) * | 1981-11-27 | 1983-05-31 | トヨタ車体株式会社 | Cylinder with anti-rotation |
| JPS6326404A (en) * | 1986-07-21 | 1988-02-04 | Hitachi Ltd | compound cylinder |
-
1990
- 1990-11-30 JP JP1990126677U patent/JP2546749Y2/en not_active Expired - Lifetime
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55144205U (en) * | 1979-04-03 | 1980-10-16 | ||
| JPS5880601U (en) * | 1981-11-27 | 1983-05-31 | トヨタ車体株式会社 | Cylinder with anti-rotation |
| JPS6326404A (en) * | 1986-07-21 | 1988-02-04 | Hitachi Ltd | compound cylinder |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2546749Y2 (en) | 1997-09-03 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |