JPH0164945U - - Google Patents
Info
- Publication number
- JPH0164945U JPH0164945U JP1987157717U JP15771787U JPH0164945U JP H0164945 U JPH0164945 U JP H0164945U JP 1987157717 U JP1987157717 U JP 1987157717U JP 15771787 U JP15771787 U JP 15771787U JP H0164945 U JPH0164945 U JP H0164945U
- Authority
- JP
- Japan
- Prior art keywords
- rotating shaft
- rotor yoke
- spindle motor
- casing
- hub
- 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
Landscapes
- Permanent Field Magnets Of Synchronous Machinery (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Description
第１図はこの考案の一実施例を示す断面図、第
２図は従来のスピンドルモータを示す断面図であ
る。
なお、図中２０はケーシング、２１はハウジン
グ、２２は軸受、２４はステータコイル、２５は
回転軸、２７はロータヨーク、２８は界磁用磁石
である。
FIG. 1 is a sectional view showing an embodiment of this invention, and FIG. 2 is a sectional view showing a conventional spindle motor. In the figure, 20 is a casing, 21 is a housing, 22 is a bearing, 24 is a stator coil, 25 is a rotating shaft, 27 is a rotor yoke, and 28 is a field magnet.
Claims (1)
たハウジングと、このハウジングに設けられたス
テータコイル及び軸受と、この軸受に嵌合された
回転軸と、この回転軸に結合され内周壁に界磁用
磁石を設けたロータヨークと、このロータヨーク
の外周に設けられたハブとを備え、上記ロータヨ
ークを上記回転軸の材料と同一材料で形成したこ
とを特徴とするスピンドルモータ。 (2) ロータヨークがハブにインサート成形され
ていることを特徴とする実用新案登録請求の範囲
第１項記載のスピンドルモータ。 (3) 回転軸のロータヨークとの結合部にローレ
ツト加工が施されていることを特徴とする実用新
案登録請求の範囲第１項または第２項記載のスピ
ンドルモータ。[Claims for Utility Model Registration] (1) A casing, a housing provided in this casing, a stator coil and a bearing provided in this housing, a rotating shaft fitted to this bearing, and a rotating shaft fitted to this rotating shaft. A spindle motor comprising: a rotor yoke coupled to each other and provided with a field magnet on its inner circumferential wall; and a hub provided on the outer periphery of the rotor yoke, the rotor yoke being made of the same material as the rotating shaft. (2) The spindle motor according to claim 1, wherein the rotor yoke is insert-molded in the hub. (3) The spindle motor according to claim 1 or 2 of the utility model registration, characterized in that a joint portion of the rotating shaft with the rotor yoke is knurled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987157717U JPH0164945U (en) | 1987-10-15 | 1987-10-15 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987157717U JPH0164945U (en) | 1987-10-15 | 1987-10-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0164945U true JPH0164945U (en) | 1989-04-26 |
Family
ID=31437406
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987157717U Pending JPH0164945U (en) | 1987-10-15 | 1987-10-15 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0164945U (en) |
-
1987
- 1987-10-15 JP JP1987157717U patent/JPH0164945U/ja active Pending