JPH02132102U - - Google Patents
Info
- Publication number
- JPH02132102U JPH02132102U JP4144789U JP4144789U JPH02132102U JP H02132102 U JPH02132102 U JP H02132102U JP 4144789 U JP4144789 U JP 4144789U JP 4144789 U JP4144789 U JP 4144789U JP H02132102 U JPH02132102 U JP H02132102U
- Authority
- JP
- Japan
- Prior art keywords
- rod
- piston
- inner tube
- cylinder
- tube
- 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
- 239000012530 fluid Substances 0.000 claims 1
Description
第１図は本考案に係るアクチユエータの断面正
面図、第２図は第１図のアクチユエータの−
線矢視断面図、第３図乃至第５図は本考案に係る
他の実施例のアクチユエータの断面正面図である
。
１，２，３，４……アクチユエータ、１１……
インナーチユーブ、１２……アウターチユーブ、
１３，１４……シリンダカバー、１５……アウタ
ーピストン、１６……インナーピストン、１７，
１８……永久磁石、１９，５３，６１……ロツド
、２５……溝、２７……歯（係合部）、３１，３
２……シリンダ室、３３，３４……ポート、４４
……ボール（係合部）、４５……溝、５４……螺
子（螺合部材）、５６……螺子穴（螺合部材）。
FIG. 1 is a cross-sectional front view of an actuator according to the present invention, and FIG. 2 is a cross-sectional front view of the actuator in FIG.
3 to 5 are cross-sectional front views of actuators according to other embodiments of the present invention. 1, 2, 3, 4... actuator, 11...
Inner tube, 12...outer tube,
13, 14...Cylinder cover, 15...Outer piston, 16...Inner piston, 17,
18... Permanent magnet, 19, 53, 61... Rod, 25... Groove, 27... Teeth (engaging part), 31, 3
2...Cylinder chamber, 33, 34...Port, 44
...Ball (engaging portion), 45...Groove, 54...Screw (screwing member), 56...Screw hole (screwing member).
Claims (1)
ターチユーブと、 前記インナーチユーブと前記アウターチユーブ
との間に形成されるシリンダ室をこれらの両端部
において閉塞するシリンダカバーと、 前記シリンダ室において軸方向に摺動可能に装
着されたアウターピストンと、 前記インナーチユーブの内周面に摺動可能に装
着されたインナーピストンと、 前記アウターピストン及び前記インナーピスト
ンにそれぞれ設けられて互いに吸引し合う永久磁
石と、 前記シリンダ室に圧流体を供給するためのポー
トと、 前記インナーピストンに連結され前記シリンダ
カバーの内の少なくとも一方を貫通するロツドと を有してなることを特徴とするアクチユエータ。 (2) 前記ロツドの表面には軸方向に延びる溝が
設けられ、 前記ロツドが貫通する前記シリンダカバーには
、前記溝に係合して当該ロツドの回転を阻止する
係合部が設けられ てなることを特徴とする請求項１に記載のアクチ
ユエータ。 (3) 前記ロツドと前記シリンダカバーには、互
いに螺合する螺子部材が設けられてなることを特
徴とする請求項１に記載のアクチユエータ。[Claims for Utility Model Registration] (1) A cylindrical inner tube, an outer tube having a larger diameter than the inner tube, and a cylinder chamber formed between the inner tube and the outer tube at both ends thereof. an outer piston that is slidably mounted in the cylinder chamber in the axial direction; an inner piston that is slidably mounted on the inner circumferential surface of the inner tube; and the outer piston and the A permanent magnet is provided on each inner piston and attracts each other; a port for supplying pressurized fluid to the cylinder chamber; and a rod connected to the inner piston and passing through at least one of the cylinder covers. An actuator characterized by: (2) A groove extending in the axial direction is provided on the surface of the rod, and the cylinder cover through which the rod passes is provided with an engaging portion that engages with the groove to prevent rotation of the rod. The actuator according to claim 1, characterized in that: (3) The actuator according to claim 1, wherein the rod and the cylinder cover are provided with screw members that screw together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4144789U JPH02132102U (en) | 1989-04-07 | 1989-04-07 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4144789U JPH02132102U (en) | 1989-04-07 | 1989-04-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02132102U true JPH02132102U (en) | 1990-11-02 |
Family
ID=31552120
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4144789U Pending JPH02132102U (en) | 1989-04-07 | 1989-04-07 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02132102U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0742711A (en) * | 1993-08-02 | 1995-02-10 | Ckd Corp | Rodless cylinder |
-
1989
- 1989-04-07 JP JP4144789U patent/JPH02132102U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0742711A (en) * | 1993-08-02 | 1995-02-10 | Ckd Corp | Rodless cylinder |
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