JPH0446201U

JPH0446201U -

Info

Publication number: JPH0446201U
Application number: JP8924790U
Authority: JP
Priority date: 1990-08-27
Filing date: 1990-08-27
Publication date: 1992-04-20

Description

[Brief explanation of the drawing]

第１図は本考案の実施例に係る複合アクチユエ
ータをロツドの軸線に対して直交する方向に裁断
した断面図、第２図は第１図におけるＡ−Ｂ−Ｃ
−Ｄ−Ｅ−Ｆ線断面図である。１……直動用シリンダ、２，２４……シリンダ
ボデイ、３，４，４３，４４……シリンダ室、５
……段部、６……エンドカバー、７，８，９，４
５，４６……ピストン、１０，４７，４８，……
ピストンパツキン、１１……ウエアリング、１２
，４９…マグネツト、１３……Ｃリング、１４，
２２……ロツドカバー、１５，２０……回転ベア
リング、１６，１７，１８……ベアリングホルダ
、１９……ピニオン、２１……リニアボールベア
リング、２３……Ｏリング、２４……回転用シー
ル、２５……ロツドシール、２６……ロツド、２
７……一端、２８……他端、２９……凹部、３０
……軌道溝、３１……固定部材、３２……ベアリ
ング、３３，３４，３５，３６，５４，５５，５
６……ポート、４１……回転用シリンダ、５０…
…駆動用ラツク、５１……バツクラツシユ防止用
ラツク、５２，５３……ロツド回転角度調節部材
。 Fig. 1 is a sectional view of a composite actuator according to an embodiment of the present invention cut in a direction perpendicular to the axis of the rod, and Fig. 2 is a cross-sectional view taken along A-B-C in Fig. 1.
It is a sectional view taken along the line -DEF. 1... Direct-acting cylinder, 2, 24... Cylinder body, 3, 4, 43, 44... Cylinder chamber, 5
...Stepped portion, 6...End cover, 7, 8, 9, 4
5,46...piston, 10,47,48,...
Piston seal, 11... Wear ring, 12
, 49...Magnet, 13...C ring, 14,
22... Rod cover, 15, 20... Rotating bearing, 16, 17, 18... Bearing holder, 19... Pinion, 21... Linear ball bearing, 23... O-ring, 24... Rotating seal, 25... ... Rod Seal, 26... Rod, 2
7... One end, 28... Other end, 29... Recess, 30
... Raceway groove, 31 ... Fixing member, 32 ... Bearing, 33, 34, 35, 36, 54, 55, 5
6... Port, 41... Rotating cylinder, 50...
... Drive rack, 51 ... Backlash prevention rack, 52, 53 ... Rod rotation angle adjustment member.

Claims

[Claims for Utility Model Registration] A cylinder body 2 provided with cylinder chambers 3 and 4, a piston 7 inserted into the cylinder chambers 3 and 4 so as to be able to reciprocate, and a rotary bearing 15 and 20 installed in the cylinder body 2. A bearing holder 16 rotatably inserted through the bearing holder 16, a pinion 19 provided in the bearing holder 16, a linear ball bearing 21 supported by the bearing holder 16, and a bearing holder 16 that rotates with respect to the linear ball bearing 21. The piston 7 is engaged with the piston 7 and is supported so as to be able to reciprocate in the axial direction, one end 27 is rotatably connected to the piston 7 via a bearing 32, and the other end 28 is operated by protruding outside the cylinder body 2. a linear motion cylinder 1, which is arranged in a direction perpendicular to the rod 26, is connected to the cylinder body 2, and has a cylinder chamber 43;
, 44, two pistons 45, 46 reciprocably inserted into the cylinder chambers 43, 44, and the two pistons 4.
5 and 46, and the pinion 19
a rotating cylinder 41 having a driving rack 50 meshed with the rotating cylinder 41, the pressure receiving area of one piston 46 of the rotating cylinder 41 is made larger than the pressure receiving area of the other piston 45; The dynamic cylinder 1 is provided with first to fourth ports 33, 34, 35, 36, the rotation cylinder 41 is provided with fifth to seventh ports 54, 55, 56, and the first port 33 is provided with fifth to seventh ports 54, 55, 56.
Even when the piston 7 is at one end of the reciprocating motion, the second port 34 is in communication with the cylinder chamber 4 at the one end, and even when the piston 7 is at the other end of the reciprocating motion, the second port 34 is at the other end. The third position communicates with the cylinder chamber 3 of
The fourth port 35 communicates with the cylinder chamber 3 at the other end only when the piston 7 is at one end of the reciprocating motion, and the fourth port 36 communicates only when the piston 7 is at the other end of the reciprocating motion. Cylinder chamber 4 on one end side
The fifth port 54 is located in a position where the piston 45 on the small diameter side communicates with the cylinder chamber 43 on the small diameter side even if the piston 45 on the small diameter side hits the end wall of the cylinder body 42, and the sixth port 55 is located in a position where the piston 45 on the small diameter side communicates with the cylinder chamber 43 on the large diameter side. side piston 4
6 is in communication with the cylinder chamber 44 on the large diameter side even when the piston 45 on the small diameter side hits the end wall of the cylinder body 42. The compound actuator is located in a position that communicates with the cylinder chamber 44 on the large diameter side.