JPH0414854U - - Google Patents
Info
- Publication number
- JPH0414854U JPH0414854U JP5638290U JP5638290U JPH0414854U JP H0414854 U JPH0414854 U JP H0414854U JP 5638290 U JP5638290 U JP 5638290U JP 5638290 U JP5638290 U JP 5638290U JP H0414854 U JPH0414854 U JP H0414854U
- Authority
- JP
- Japan
- Prior art keywords
- shaft
- ball screw
- seal
- sleeve
- interposed
- 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
- 150000001875 compounds Chemical class 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 claims 2
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H25/00—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms
- F16H25/18—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for conveying or interconverting oscillating or reciprocating motions
- F16H25/20—Screw mechanisms
- F16H2025/2062—Arrangements for driving the actuator
- F16H2025/2096—Arrangements for driving the actuator using endless flexible members
Description
第１図は本考案に係る軸の複合装置の縦断正面
図、第２図は別の実施例を示す要部の縦断正面図
である。
１０……軸、１１……軸先端部分、１２……ボ
ールねじ溝、１３……ボールスプライン溝、１４
……ボール、１５……ボールねじ用ナツト、１６
……ボールスプライン用ナツト、２１……支持フ
レーム、２２……筒状体、３０……スリーブ、２
３，３１，３２……シール。
FIG. 1 is a longitudinal sectional front view of a shaft compound device according to the present invention, and FIG. 2 is a longitudinal sectional front view of the main parts showing another embodiment. 10... Shaft, 11... Shaft tip portion, 12... Ball screw groove, 13... Ball spline groove, 14
... Ball, 15 ... Ball screw nut, 16
... Nut for ball spline, 21 ... Support frame, 22 ... Cylindrical body, 30 ... Sleeve, 2
3, 31, 32... Seal.
Claims (1)
共に、該ボールねじ溝を横切つて軸方向に延びる
ボールスプライン溝を設けた軸に、多数のボール
を介してボールねじ用ナツトとボールスプライン
用ナツトを嵌合し、前記両ナツトを支持部材に回
転自在に支持すると共に、前記両ナツトを個別に
回転駆動する第１、第２駆動手段を設けてなる軸
の複合運動装置において、 前記支持部材より突出して作動部を形成する前
記軸の先端部分には前記ボールねじ溝及びスプラ
イン溝を設けず、その外周面と前記支持部材との
間にシールを介装したことを特徴とする軸の複合
運動装置におけるシール構造。 (2) 前記ボールスプライン用ナツトに前記軸先
端部分を覆うスリーブが固設され、該スリーブと
前記軸先端部分の外周面との間にスラスト用シー
ルが介装されると共に、前記スリーブと前記支持
部材との間に回転用シールが介装されていること
を特徴とする請求項１記載の軸の複合運動装置に
おけるシール構造。[Claims for Utility Model Registration] (1) A shaft with a spiral ball screw groove on its outer circumferential surface and a ball spline groove extending in the axial direction across the ball screw groove, through which a large number of balls are inserted. A shaft in which a ball screw nut and a ball spline nut are fitted together, both nuts are rotatably supported on a support member, and first and second driving means are provided for individually driving the two nuts to rotate. In the compound exercise device, the ball screw groove and the spline groove are not provided in the tip portion of the shaft that protrudes from the support member and forms the operating part, and a seal is interposed between the outer peripheral surface of the shaft and the support member. A seal structure in a shaft compound motion device characterized by: (2) A sleeve that covers the tip of the shaft is fixed to the ball spline nut, a thrust seal is interposed between the sleeve and the outer peripheral surface of the tip of the shaft, and the sleeve and the support 2. The seal structure for a shaft compound motion device according to claim 1, further comprising a rotary seal interposed between the member and the member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5638290U JPH0414854U (en) | 1990-05-29 | 1990-05-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5638290U JPH0414854U (en) | 1990-05-29 | 1990-05-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0414854U true JPH0414854U (en) | 1992-02-06 |
Family
ID=31580157
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5638290U Pending JPH0414854U (en) | 1990-05-29 | 1990-05-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0414854U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09505384A (en) * | 1994-09-07 | 1997-05-27 | コミツサリア タ レネルジー アトミーク | Telescopic system |
| WO2016165889A1 (en) * | 2015-04-14 | 2016-10-20 | Zf Friedrichshafen Ag | Spindle drive of an actuator and belt pulley for an actuator |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52123530A (en) * | 1976-04-07 | 1977-10-17 | Kubota Ltd | Oil supply structure for valve stem of sluice gate |
| JPS6249070A (en) * | 1985-08-28 | 1987-03-03 | Daikin Ind Ltd | Driving device for shaft |
| JPS6443861A (en) * | 1987-08-11 | 1989-02-16 | Hamamatsu Photonics Kk | Optional device for compact disk player |
-
1990
- 1990-05-29 JP JP5638290U patent/JPH0414854U/ja active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52123530A (en) * | 1976-04-07 | 1977-10-17 | Kubota Ltd | Oil supply structure for valve stem of sluice gate |
| JPS6249070A (en) * | 1985-08-28 | 1987-03-03 | Daikin Ind Ltd | Driving device for shaft |
| JPS6443861A (en) * | 1987-08-11 | 1989-02-16 | Hamamatsu Photonics Kk | Optional device for compact disk player |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09505384A (en) * | 1994-09-07 | 1997-05-27 | コミツサリア タ レネルジー アトミーク | Telescopic system |
| WO2016165889A1 (en) * | 2015-04-14 | 2016-10-20 | Zf Friedrichshafen Ag | Spindle drive of an actuator and belt pulley for an actuator |