JPH0419939U - - Google Patents
Info
- Publication number
- JPH0419939U JPH0419939U JP6204390U JP6204390U JPH0419939U JP H0419939 U JPH0419939 U JP H0419939U JP 6204390 U JP6204390 U JP 6204390U JP 6204390 U JP6204390 U JP 6204390U JP H0419939 U JPH0419939 U JP H0419939U
- Authority
- JP
- Japan
- Prior art keywords
- ball
- housing
- screw shaft
- ball screw
- axial direction
- 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
- 230000002093 peripheral effect Effects 0.000 claims 1
Landscapes
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
- Transmission Devices (AREA)
Description
第１図はこの考案に係る電動アクチユエータの
要部を断面した正面図、第２図は第１図の矢印
−に沿う拡大断面図、第３図は同上における回
り止機構の拡大断面図、第４図は従来の回り止機
構を示す縦断面図である。
１１……ボールねじ軸、１２……ボールねじ溝
、１３……ハウジング、１４……ボールナツト、
１５……電動機、１８……ボール、２３……凹溝
、２４……回り止具、２５……ボール、２６……
凹部。
Fig. 1 is a front view of the main parts of the electric actuator according to this invention, Fig. 2 is an enlarged sectional view taken along the arrow - in Fig. 1, Fig. 3 is an enlarged sectional view of the detent mechanism in the above, FIG. 4 is a longitudinal cross-sectional view showing a conventional anti-rotation mechanism. 11...Ball screw shaft, 12...Ball screw groove, 13...Housing, 14...Ball nut,
15...Electric motor, 18...Ball, 23...Concave groove, 24...Rotation stopper, 25...Ball, 26...
recess.
Claims (1)
在の関係となるよう回り止状に装着し、このハウ
ジング内に、前記ボールねじ軸に外嵌しねじ溝に
係合するボールを無端状に転動自在となるよう収
納保持したボールナツトと、このボールナツトを
回転駆動する電動機とを収納した電動アクチユエ
ータにおいて、ボールねじ軸の外周面に凹溝を軸
方向に沿つて形成し、ハウジングに設けた回り止
具で凹溝内へ嵌合するボールを回転可能に保持し
たことを特徴とする電動アクチユエータ。 A housing is mounted on the ball screw shaft in a non-rotating manner so that it can move freely in the axial direction, and a ball that fits externally on the ball screw shaft and engages with the thread groove is rolled in an endless manner within this housing. In an electric actuator that houses a ball nut that is housed and held so that it can move freely, and an electric motor that rotates the ball nut, a rotation stopper is provided in the housing, with a concave groove formed along the axial direction on the outer peripheral surface of the ball screw shaft. An electric actuator characterized by rotatably holding a ball that fits into a concave groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6204390U JPH0419939U (en) | 1990-06-11 | 1990-06-11 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6204390U JPH0419939U (en) | 1990-06-11 | 1990-06-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0419939U true JPH0419939U (en) | 1992-02-19 |
Family
ID=31590837
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6204390U Pending JPH0419939U (en) | 1990-06-11 | 1990-06-11 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0419939U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001214959A (en) * | 2000-01-31 | 2001-08-10 | Sankyo Seiki Mfg Co Ltd | Single-shaft actuator and carrying and positioning device using thereof |
| JP2012007660A (en) * | 2010-06-24 | 2012-01-12 | Star Techno Co Ltd | Direct-acting actuator |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5977970A (en) * | 1982-10-28 | 1984-05-04 | Mazda Motor Corp | Four-wheel steering gear for vehicle |
| JPH02113153A (en) * | 1988-10-19 | 1990-04-25 | Shin Meiwa Ind Co Ltd | Electric linear drive device |
-
1990
- 1990-06-11 JP JP6204390U patent/JPH0419939U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5977970A (en) * | 1982-10-28 | 1984-05-04 | Mazda Motor Corp | Four-wheel steering gear for vehicle |
| JPH02113153A (en) * | 1988-10-19 | 1990-04-25 | Shin Meiwa Ind Co Ltd | Electric linear drive device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001214959A (en) * | 2000-01-31 | 2001-08-10 | Sankyo Seiki Mfg Co Ltd | Single-shaft actuator and carrying and positioning device using thereof |
| JP4571724B2 (en) * | 2000-01-31 | 2010-10-27 | Ｔｈｋ株式会社 | Single-axis actuator and transfer / positioning device using this single-axis actuator |
| JP2012007660A (en) * | 2010-06-24 | 2012-01-12 | Star Techno Co Ltd | Direct-acting actuator |