JPH02107243U - - Google Patents

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は本考案の軸受保持構造を有する電動機
の断面図、第２図は本考案の一実施例の軸受保持
部の断面図、第３図は本考案の他の実施例の軸受
保持部の断面図、第４図は従来の軸受保持構造の
断面図である。 １……ステータ、２……ロータ、３……軸受、
４……インシユレータ、４ａ……突起、５……バ
ネ。 Fig. 1 is a sectional view of an electric motor having a bearing holding structure of the present invention, Fig. 2 is a sectional view of a bearing holder according to an embodiment of the invention, and Fig. 3 is a sectional view of a bearing holder according to another embodiment of the invention. FIG. 4 is a sectional view of a conventional bearing holding structure. 1... Stator, 2... Rotor, 3... Bearing,
4...Insulator, 4a...Protrusion, 5...Spring.

Claims (1)

【実用新案登録請求の範囲】 (1) コイルが巻線されたステータと、このステ
ータと対向し、軸受によつて回転自在に支持され
たロータとを備え、前記ステータの内径に圧入さ
れた軸受を、コイルとステータ間に配設され、か
つコイルとステータとを電気的に絶縁するインシ
ユレータの内周に設けた複数個の突起にて抜止め
とした電動機の軸受保持構造。 (2) 前記インシユレータの突起と軸受との間に
バネを具備する請求項１記載の電動機の軸受保持
構造。[Claims for Utility Model Registration] (1) A bearing press-fitted into the inner diameter of the stator, comprising a stator wound with a coil, and a rotor facing the stator and rotatably supported by a bearing. A bearing holding structure for an electric motor, in which the bearing is retained by a plurality of protrusions provided on the inner periphery of an insulator that is disposed between a coil and a stator and electrically insulates the coil and stator. (2) The electric motor bearing holding structure according to claim 1, further comprising a spring between the protrusion of the insulator and the bearing.