JPS61120285U - - Google Patents
Info
- Publication number
- JPS61120285U JPS61120285U JP428085U JP428085U JPS61120285U JP S61120285 U JPS61120285 U JP S61120285U JP 428085 U JP428085 U JP 428085U JP 428085 U JP428085 U JP 428085U JP S61120285 U JPS61120285 U JP S61120285U
- Authority
- JP
- Japan
- Prior art keywords
- rotor
- stepping motor
- groove
- permanent magnets
- permanent magnet
- 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
- 239000000696 magnetic material Substances 0.000 claims description 2
Landscapes
- Iron Core Of Rotating Electric Machines (AREA)
- Permanent Field Magnets Of Synchronous Machinery (AREA)
Description
第1図はステツピングモーターをフロツピイデ
イスク駆動装置のヘツドの位置決めに用いるとき
の一部の断面図、第2図は従来技術に対する1つ
の改良案を示す断面図、第3図は本考案のハイブ
リツド形ステツピングモータ用ロータの断面図、
第4図は第1図の分解斜視図である。
11…ハイブリツド形ステツピイングモーター
用ロータ、12…回転軸、13…溝、14a,1
4b…永久磁石、15…環状体、16a,16b
…磁性体。
Fig. 1 is a partial sectional view when a stepping motor is used to position the head of a floppy disk drive device, Fig. 2 is a sectional view showing one improvement over the conventional technology, and Fig. 3 is a sectional view of the present invention. A cross-sectional view of a rotor for a hybrid stepping motor,
FIG. 4 is an exploded perspective view of FIG. 1. DESCRIPTION OF SYMBOLS 11... Rotor for hybrid type stepping motor, 12... Rotating shaft, 13... Groove, 14a, 1
4b...Permanent magnet, 15...Annular body, 16a, 16b
...Magnetic material.
Claims (1)
間に永久磁石を配し、それらを回転軸を中心とし
て一体回転するようにしたハイブリツド形ステツ
ピングモータ用ロータにおいて、上記回転軸の一
部に溝を設け、複数に分割された永久磁石を上記
溝に嵌合し、その永久磁石の外周に磁石の抜け防
止用の環状体を設けたことを特徴とするハイブリ
ツド形ステツピングモータ用ロータ。 In a rotor for a hybrid stepping motor in which permanent magnets are arranged between disc-shaped magnetic materials having comb-like pole teeth on the outer circumferential surface, and the permanent magnets are configured to rotate together around a rotating shaft, one of the rotating shafts is A rotor for a hybrid stepping motor, characterized in that a groove is provided in the rotor, a permanent magnet divided into a plurality of parts is fitted into the groove, and an annular body is provided around the outer periphery of the permanent magnet to prevent the magnet from coming off. .
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP428085U JPS61120285U (en) | 1985-01-16 | 1985-01-16 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP428085U JPS61120285U (en) | 1985-01-16 | 1985-01-16 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS61120285U true JPS61120285U (en) | 1986-07-29 |
Family
ID=30479702
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP428085U Pending JPS61120285U (en) | 1985-01-16 | 1985-01-16 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS61120285U (en) |
-
1985
- 1985-01-16 JP JP428085U patent/JPS61120285U/ja active Pending