JPH01121159U - - Google Patents
Info
- Publication number
- JPH01121159U JPH01121159U JP1586988U JP1586988U JPH01121159U JP H01121159 U JPH01121159 U JP H01121159U JP 1586988 U JP1586988 U JP 1586988U JP 1586988 U JP1586988 U JP 1586988U JP H01121159 U JPH01121159 U JP H01121159U
- Authority
- JP
- Japan
- Prior art keywords
- bearing
- peripheral surface
- attached
- ring
- outer ring
- 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 4
- 238000010586 diagram Methods 0.000 description 5
Landscapes
- Rotational Drive Of Disk (AREA)
- Motor Or Generator Frames (AREA)
Description
第１図は本考案の原理図、第２図は本考案の一
実施例を示す構成図、第３図はインナロータタイ
プのスピンドルモータの構成図、第４図はアウタ
ロータタイプのスピンドルモータの構成図である
。
第１図乃至第２図において、２１，３２は固定
シヤフト、２２，３１は（スピンドルモータ）ベ
ース、２３，３３はステータ、２４，３４は磁気
デイスク、２５，３６はスピンドルハブ、２６，
３７，３８はベアリング、２７，４１はマグネツ
ト、２８，３９，４０はリングである。
Fig. 1 is a diagram showing the principle of the present invention, Fig. 2 is a block diagram showing an embodiment of the present invention, Fig. 3 is a block diagram of an inner rotor type spindle motor, and Fig. 4 is a block diagram of an outer rotor type spindle motor. It is a diagram. 1 and 2, 21, 32 are fixed shafts, 22, 31 are (spindle motor) bases, 23, 33 are stators, 24, 34 are magnetic disks, 25, 36 are spindle hubs, 26,
37, 38 are bearings, 27, 41 are magnets, and 28, 39, 40 are rings.
Claims (1)
該固定シヤフト２１に取付けられるステータ２３
と、磁気デイスク２４が外周面に取付けられる略
円筒状のスピンドルハブ２５と、内輪が前記固定
シヤフト２１側に、外輪が前記スピンドルハブ２
５の内周面側に取付けられるベアリング２６と、
前記ステータ２３に対向するように前記スピンド
ルハブ２５の内周面に設けられたマグネツト２７
及びヨーク２７ａとを備えた磁気デイスク装置の
スピンドルモータにおいて、 前記ベアリング２６の外輪の前記スピンドルハ
ブ２５側への取付けは、前記スピンドルハブ２５
の内周面に前記ベアリング２６の外輪の熱膨張係
数と略等しい材質のリング２８を圧入し、該リン
グ２８に前記ベアリング２６の外輪を固定するこ
とにより行つたことを特徴とする磁気デイスク装
置のスピンドルモータ。[Claims for Utility Model Registration] A fixed shaft 21 protruding from a base 22;
A stator 23 attached to the fixed shaft 21
, a substantially cylindrical spindle hub 25 with a magnetic disk 24 attached to its outer peripheral surface, an inner ring facing the fixed shaft 21 side, and an outer ring facing the spindle hub 2.
a bearing 26 attached to the inner peripheral surface side of 5;
a magnet 27 provided on the inner peripheral surface of the spindle hub 25 so as to face the stator 23;
and a yoke 27a, in which the outer ring of the bearing 26 is attached to the spindle hub 25 side.
A ring 28 made of a material substantially equal to the coefficient of thermal expansion of the outer ring of the bearing 26 is press-fitted into the inner peripheral surface of the magnetic disk device, and the outer ring of the bearing 26 is fixed to the ring 28. spindle motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1586988U JPH01121159U (en) | 1988-02-09 | 1988-02-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1586988U JPH01121159U (en) | 1988-02-09 | 1988-02-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01121159U true JPH01121159U (en) | 1989-08-16 |
Family
ID=31228303
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1586988U Pending JPH01121159U (en) | 1988-02-09 | 1988-02-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01121159U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5693693B1 (en) * | 2013-10-23 | 2015-04-01 | 三菱電機株式会社 | Rotating electric machine |
-
1988
- 1988-02-09 JP JP1586988U patent/JPH01121159U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5693693B1 (en) * | 2013-10-23 | 2015-04-01 | 三菱電機株式会社 | Rotating electric machine |
| US9570953B2 (en) | 2013-10-23 | 2017-02-14 | Mitsubishi Electric Corporation | Rotary electric machine |
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