JPS60138346U - Electric motor - Google Patents
Electric motorInfo
- Publication number
- JPS60138346U JPS60138346U JP2301384U JP2301384U JPS60138346U JP S60138346 U JPS60138346 U JP S60138346U JP 2301384 U JP2301384 U JP 2301384U JP 2301384 U JP2301384 U JP 2301384U JP S60138346 U JPS60138346 U JP S60138346U
- Authority
- JP
- Japan
- Prior art keywords
- electric motor
- bearing
- rotor
- cover
- stator
- 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
- Motor Or Generator Frames (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図は従来の電動機の要部を示す断面図、第2図は本
考案の一実施例を示した半部断面図、第3図は本考案で
用いるカバーの底部に設ける軸受保持部の一構成例を示
した正面図、第4図は第3図のIV−IV線断面図、第
5図は同軸受保持部を成形する際の最初の工程で形成さ
れる皿状部の形状、を示した断面図、第6図は第5図の
工程の次の工程における加工状態を系した正面図である
。
10・・・固定子、13・・・回転子、16・・・回転
軸、20・・・カバー、21・・・軸受は保持部、21
a・・・環状突出部、21b・・・弧状切起し部、21
c・・・平坦部。 、Fig. 1 is a sectional view showing the main parts of a conventional electric motor, Fig. 2 is a half sectional view showing an embodiment of the present invention, and Fig. 3 is a sectional view of a bearing holder provided at the bottom of the cover used in the present invention. A front view showing one configuration example, FIG. 4 is a cross-sectional view taken along the line IV-IV in FIG. 3, and FIG. FIG. 6 is a front view showing the processing state in the next step after the step shown in FIG. 5. DESCRIPTION OF SYMBOLS 10... Stator, 13... Rotor, 16... Rotating shaft, 20... Cover, 21... Bearing is a holding part, 21
a... Annular protrusion, 21b... Arc-shaped cut and raised part, 21
c... Flat area. ,
Claims (1)
プ状にプレス成形されたカバーを前記固定子の軸線方向
端部に取付け、前記カバーの底部に一体に設けた軸受保
持部に軸受を保持させ、前記軸受により前記回転子の回
転軸を支持して゛なる電−動機において、前記軸受保持
部は前記カバーの内側に向って次第に径が小さくなる向
きのテーパが付けられた環状突出部と、前記環状突出部
の内周部に周方向に所定の間隔をあけて、設けら些た複
数の弧状切起し部と、前記複数の弧状切起し部相互間に
あって前記環状突出部の内周部から゛径方向の内側に突
出する平坦部とからなり、前記複数の切起し部は前記回
転子と軸線を共有する円筒叩上に位置するように設けら
れ、前記軸受は前記複数の一弧状切起し部の内側に嵌合
されて保持されるとともに前記平坦部に当接して軸線方
向に位置決めされていることを特徴とする電動機。゛A cover press-molded into a substantially cup shape so as to cover the axial ends of the stator and rotor is attached to the axial end of the stator, and the bearing is attached to the bearing holding part integrally provided at the bottom of the cover. In the electric motor, the shaft of the rotor is supported by the bearing. a plurality of arcuate cut-and-raised portions provided at predetermined intervals in the circumferential direction on the inner periphery of the annular protrusion; and a flat part protruding radially inward from the inner peripheral part, the plurality of cut and raised parts are provided so as to be located on a cylindrical part that shares an axis with the rotor, and the bearing An electric motor, characterized in that the electric motor is fitted and held inside an arcuate cut-and-raised portion of the motor, and is positioned in the axial direction by abutting the flat portion.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2301384U JPS60138346U (en) | 1984-02-22 | 1984-02-22 | Electric motor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2301384U JPS60138346U (en) | 1984-02-22 | 1984-02-22 | Electric motor |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS60138346U true JPS60138346U (en) | 1985-09-13 |
Family
ID=30515852
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2301384U Pending JPS60138346U (en) | 1984-02-22 | 1984-02-22 | Electric motor |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS60138346U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2015065780A (en) * | 2013-09-26 | 2015-04-09 | 日本電産株式会社 | Inner rotor type motor |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4843911B1 (en) * | 1970-07-10 | 1973-12-21 | ||
JPS5651868B2 (en) * | 1978-06-12 | 1981-12-08 |
-
1984
- 1984-02-22 JP JP2301384U patent/JPS60138346U/en active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4843911B1 (en) * | 1970-07-10 | 1973-12-21 | ||
JPS5651868B2 (en) * | 1978-06-12 | 1981-12-08 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2015065780A (en) * | 2013-09-26 | 2015-04-09 | 日本電産株式会社 | Inner rotor type motor |
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