JPS59119776U

JPS59119776U - coreless motor

Info

Publication number: JPS59119776U
Application number: JP1321583U
Authority: JP
Inventors: 小泉　博嗣
Original assignee: 三洋電機株式会社; 三洋精密株式会社
Priority date: 1983-01-31
Filing date: 1983-01-31
Publication date: 1984-08-13

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) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

図は本考案の一実施例を示すもので、第１図はコアレス
モータの縦断面図、第２図および第３図は電機子コイル
を示し、第２図は斜視図、第３図は縦断面図である。１・・・モータケース、２・・・永久磁石、３・・・筒
状磁石保持部材、４・・・カップ状ロータ、５・・・回
転軸、６・・・コイルホルダ、７・・・電機子コイル、
８・・・鍔部、９・・・整流子、１１・・・膨出部、１
６・・・刷子。The figures show one embodiment of the present invention, in which Fig. 1 is a longitudinal cross-sectional view of a coreless motor, Figs. 2 and 3 show armature coils, Fig. 2 is a perspective view, and Fig. 3 is a longitudinal cross-section. It is a front view. DESCRIPTION OF SYMBOLS 1... Motor case, 2... Permanent magnet, 3... Cylindrical magnet holding member, 4... Cup-shaped rotor, 5... Rotating shaft, 6... Coil holder, 7... armature coil,
8... Flange part, 9... Commutator, 11... Swelling part, 1
6...Brush.

Claims

[Scope of utility model registration request]

(1) A cup-shaped rotor in which a cylindrical magnet holding member to which a stator permanent magnet is attached is arranged at one end of the motor case, and a cup-shaped armature coil is attached to a coil holder with a rotating shaft fixed in the center. a coreless motor disposed in an annular gap between the permanent magnet and the motor case, wherein a commutator is attached to the rotating shaft so as to be located within the cylindrical magnet holding member, and the commutator A coreless motor characterized in that a brush that comes into sliding contact with the child is housed within the cylindrical magnet holding member.

(2) The coreless motor according to claim 1, wherein the cup-shaped rotor is a bell-shaped rotor having an outer flange.

(3) The opening end of the motor case and the opening end of the cup-shaped rotor are arranged in the same direction, and the area facing the outer flange formed at the rotor opening end of the motor case is bulged outward. A coreless motor according to claim 2 of the utility model registration claim.