JPS58176570U - Electric motor - Google Patents
Electric motorInfo
- Publication number
- JPS58176570U JPS58176570U JP7361182U JP7361182U JPS58176570U JP S58176570 U JPS58176570 U JP S58176570U JP 7361182 U JP7361182 U JP 7361182U JP 7361182 U JP7361182 U JP 7361182U JP S58176570 U JPS58176570 U JP S58176570U
- Authority
- JP
- Japan
- Prior art keywords
- casing
- electric motor
- spiral groove
- rotating shaft
- rotor
- 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
- Rotational Drive Of Disk (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来技術の縦断面図、第２図は本考案に係る電
動機の第１の実施例を示す縦断面図、第３図は螺旋溝の
形状を示す第２図の■−■矢示方 ′向から見た説明
図、第４図は本考案に係る電動機の第２の実施例を示す
縦断面図である。
５・・・軸受、６・・・回転軸、７・・・回転子、８・
・・固定子、２１・・・ケーシング、２２・・・ケーシ
ング本体、２３・・・蓋体、２４・・・回転体、２５・
・・間隙、２６Ａ。
２６Ｂ・・・渦巻溝、３１・・・テーパねじ溝。
′ ■〜１強Ｂ／ ６
Ｌｌ υ ぞしＪ〕
ズ″％％”！
、 ／ ２３ ”Fig. 1 is a longitudinal cross-sectional view of the prior art, Fig. 2 is a longitudinal cross-sectional view showing a first embodiment of the electric motor according to the present invention, and Fig. 3 is a vertical cross-sectional view showing the shape of the spiral groove. FIG. 4 is a longitudinal sectional view showing a second embodiment of the electric motor according to the present invention. 5...Bearing, 6...Rotating shaft, 7...Rotor, 8...
...Stator, 21...Casing, 22...Casing body, 23...Lid, 24...Rotating body, 25...
...Gap, 26A. 26B...Spiral groove, 31...Tapered thread groove. ' ■~1 Strong B/ 6 Ll υ Zoshi J〕 ``%%''! , /23”
Claims (3)
された回転軸と、該回転軸に設けられた回転子と、該回
転子を囲むように前記ケーシングに設けられ、通電する
ことにより該回転子を回転せしめる固定子と、前記回転
軸に固着され前記ケーシングの一側に該ケーシングと微
小な間隙をもって配置された回転体とからなる電動機に
おいて、前記回転体には前記ケーシングと対面する側の
面に螺旋溝榎設け、かつ該螺旋溝は前記回転軸の回転方
向に対して求心方向に向って旋回するような形状とした
ことを特徴とする電動機。(1) A casing, a rotating shaft supported by the casing via a bearing, a rotor provided on the rotating shaft, and a rotor provided in the casing so as to surround the rotor. In an electric motor comprising a stator that rotates a rotor, and a rotating body fixed to the rotating shaft and disposed on one side of the casing with a small gap from the casing, the rotating body has a side facing the casing. An electric motor characterized in that a spiral groove is provided on a surface of the rotary shaft, and the spiral groove is shaped so as to rotate in a centripetal direction with respect to the rotational direction of the rotating shaft.
囲（１）項記載の電動機。(2) The electric motor according to claim (1), wherein the spiral groove is a spiral groove.
求の範囲（１）項記載の電動機。(3) The electric motor according to claim (1), wherein the spiral groove is a tapered thread groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7361182U JPS58176570U (en) | 1982-05-20 | 1982-05-20 | Electric motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7361182U JPS58176570U (en) | 1982-05-20 | 1982-05-20 | Electric motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS58176570U true JPS58176570U (en) | 1983-11-25 |
Family
ID=30083116
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7361182U Pending JPS58176570U (en) | 1982-05-20 | 1982-05-20 | Electric motor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58176570U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0432354U (en) * | 1990-07-16 | 1992-03-16 | ||
| JP2000306319A (en) * | 1999-02-16 | 2000-11-02 | Hitachi Ltd | Spindle motor and magnetic disk drive using it |
-
1982
- 1982-05-20 JP JP7361182U patent/JPS58176570U/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0432354U (en) * | 1990-07-16 | 1992-03-16 | ||
| JP2000306319A (en) * | 1999-02-16 | 2000-11-02 | Hitachi Ltd | Spindle motor and magnetic disk drive using it |
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