JPH01180181U - - Google Patents
Info
- Publication number
- JPH01180181U JPH01180181U JP7424788U JP7424788U JPH01180181U JP H01180181 U JPH01180181 U JP H01180181U JP 7424788 U JP7424788 U JP 7424788U JP 7424788 U JP7424788 U JP 7424788U JP H01180181 U JPH01180181 U JP H01180181U
- Authority
- JP
- Japan
- Prior art keywords
- rotor
- light
- attached
- small motor
- front plate
- 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
- 125000006850 spacer group Chemical group 0.000 claims description 3
- 239000011295 pitch Substances 0.000 claims 1
Landscapes
- Optical Transform (AREA)
Description
第１図は本考案の一実施例によるセンサ付小型
モータの断面図、第２図は同モータの分解斜視図
である。
１０……ステータ前半部、１４……前プレート
、１５……軸受ブツシユ、２０……ステータ後半
部、２４……後プレート、２５……軸受ブツシユ
、３０……ロータ、３１……ロータ軸、３２……
スペーサ、３３……円筒形永久磁石、６０……導
光孔、７０……発光素子、８０……受光素子。
FIG. 1 is a sectional view of a small motor with a sensor according to an embodiment of the present invention, and FIG. 2 is an exploded perspective view of the same motor. 10... First half of stator, 14... Front plate, 15... Bearing bush, 20... Second half of stator, 24... Rear plate, 25... Bearing bush, 30... Rotor, 31... Rotor shaft, 32 ……
Spacer, 33... Cylindrical permanent magnet, 60... Light guiding hole, 70... Light emitting element, 80... Light receiving element.
Claims (1)
てロータ軸が取付けられたロータと、前記ロータ
軸の両端部を支持する軸受部を有する前プレート
および後プレートとともに前記ロータを内包する
ステータとで構成される小型モータにおいて、 前記ロータの前記スペーサ部分に前記ロータ軸
と平行な導光孔を前記ロータ軸を中心とする円周
上に所定ピツチで貫通形成するとともに、前記前
プレートと後プレートとに前記導光孔を通して光
を授受する位置関係で発光素子および受光素子を
取付けたことを特徴とする回転センサ付小型モー
タ。[Claims for Utility Model Registration] A rotor in which a rotor shaft is attached to the center of a cylindrical permanent magnet via a cylindrical spacer, a front plate and a rear plate having bearings that support both ends of the rotor shaft, as well as the above. In a small motor consisting of a stator containing a rotor, light guide holes parallel to the rotor axis are formed through the spacer portion of the rotor at predetermined pitches on a circumference centered on the rotor axis, and A small motor with a rotation sensor, characterized in that a light emitting element and a light receiving element are attached to the front plate and the rear plate in a positional relationship such that they transmit and receive light through the light guide hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7424788U JPH01180181U (en) | 1988-06-06 | 1988-06-06 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7424788U JPH01180181U (en) | 1988-06-06 | 1988-06-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01180181U true JPH01180181U (en) | 1989-12-25 |
Family
ID=31299364
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7424788U Pending JPH01180181U (en) | 1988-06-06 | 1988-06-06 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01180181U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04111281U (en) * | 1991-01-21 | 1992-09-28 | 株式会社ハーモニツク・ドライブ・システムズ | Electromagnetic limited rotation electric motor |
| JP2001025212A (en) * | 1999-07-09 | 2001-01-26 | Japan Servo Co Ltd | Multipolar rotating electric machine and sensing method therefor |
-
1988
- 1988-06-06 JP JP7424788U patent/JPH01180181U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04111281U (en) * | 1991-01-21 | 1992-09-28 | 株式会社ハーモニツク・ドライブ・システムズ | Electromagnetic limited rotation electric motor |
| JP2001025212A (en) * | 1999-07-09 | 2001-01-26 | Japan Servo Co Ltd | Multipolar rotating electric machine and sensing method therefor |