JPH0484808U

JPH0484808U -

Info

Publication number: JPH0484808U
Application number: JP12667990U
Authority: JP
Priority date: 1990-11-30
Filing date: 1990-11-30
Publication date: 1992-07-23

Description

[Brief explanation of drawings]

第１図は本考案の実施例に係るアクチユエータ
の横断面図、第２図は縦断面図、第３図は側面図
、第４図は平面図、第５図は正面図である。１……ベース、２，３……エンドプレート、４
……ピストンロツド、５……シリンダ本体、６…
…第１のピストン、７……第１のシリンダ、８，
９……ロツドカバー、１０……第１の圧力流路、
１１……ガイドロツド、１２……第２の圧力流路
、１３，１４……リニアベアリング、１５……第
２のシリンダ、１６，１７……シリンダカバー、
１８……ラツク、１９……第２のピストン、２０
……第１のパイプ、２１……第３の圧力流路、２
２……第２のパイプ、２４……第４の圧力流路、
２５，２６……転がり軸受、２７……回転軸、２
８……ピニオン、２９……ターンテーブル、３０
，３１……検出手段、３２，３３，３４……スト
ツパ、３５……シヨツクアブソーバ。 1 is a cross-sectional view of an actuator according to an embodiment of the present invention, FIG. 2 is a longitudinal sectional view, FIG. 3 is a side view, FIG. 4 is a plan view, and FIG. 5 is a front view. 1... Base, 2, 3... End plate, 4
...Piston rod, 5...Cylinder body, 6...
...first piston, 7...first cylinder, 8,
9... Rod cover, 10... First pressure flow path,
11... Guide rod, 12... Second pressure flow path, 13, 14... Linear bearing, 15... Second cylinder, 16, 17... Cylinder cover,
18...Rack, 19...Second piston, 20
...First pipe, 21...Third pressure flow path, 2
2... second pipe, 24... fourth pressure flow path,
25, 26... Rolling bearing, 27... Rotating shaft, 2
8... Pinion, 29... Turntable, 30
, 31... detection means, 32, 33, 34... stopper, 35... shock absorber.

Claims

[Claims for Utility Model Registration] 1. A base 1, an end plate 2 erected on the base 1, and one end fixed to the end plate 2 with a hollow interior to form a first pressure flow path 10. a piston rod 4; and a cylinder body 5 into which the other end of the piston rod 4 is slidably inserted, and which is capable of reciprocating along the piston rod 4.
a first cylinder 7 disposed inside the cylinder body 5; a first piston 6 fixed to the piston rod 4 and combined with the first cylinder 7; and a first piston 6 arranged parallel to the piston rod 4. , a guide rod 11 having one end fixed to the end plate 2 and the other end slidably inserted into the cylinder body 5 and having a hollow interior to form a second pressure passage 12; the second cylinder 15 provided, and the second cylinder 1
a second piston 19 combined with the second piston 19; a rack 18 fixed to the second piston 19;
A pinion 28 combined with the rack 18, a rotating shaft 27 rotatably supported by the cylinder body 5 and connected to the pinion 28, and a rotary shaft 27 disposed parallel to the piston rod 4 with one end attached to the end plate 2. It has first and second pipes 20 and 22 which are fixed and whose other ends are slidably inserted into the cylinder body 5 to form third or fourth pressure passages 21 and 24 therein. An actuator featuring: 2. The actuator according to item 1, wherein a turntable 29 is connected to the rotating shaft 27. 3 detection means 30 for detecting the reciprocating position of the cylinder body 5 or the rotational position of the rotating shaft 27;
3. The actuator according to claim 1, further comprising: 31. 4 stopper means 32 for regulating the reciprocating distance of the cylinder body 5 or the rotation angle of the rotating shaft;
2. The actuator according to claim 1, further comprising: 33 and 34. 5. The actuator according to item 1, wherein a shock absorbing means 35 is provided at the limit of reciprocating movement of the cylinder body or the limit of rotation of the rotating shaft. 6. The actuator according to item 1, wherein the rotating shaft 27 is supported by the cylinder body 5 via rolling bearings 25 and 26 that support loads in the thrust direction. 7. The actuator according to item 1, wherein linear bearings 13 and 14 are arranged between the base 1 and the cylinder body 5.