JPS59191876U

JPS59191876U - coreless motor

Info

Publication number: JPS59191876U
Application number: JP8767483U
Authority: JP
Inventors: 正深美
Original assignee: 応研精工株式会社
Priority date: 1983-06-08
Filing date: 1983-06-08
Publication date: 1984-12-19

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

[Brief explanation of the drawing]

第１図は従来のコアレスモータの断面図、第２図はコイ
ルの斜視図、第３図はコイル巻線時の説明図、第４図は
ロータの平面図、第５図は本考案の一実施例の部分断面
図、第６〜８図は他の実施　　　−例の部分断面図であ
る。１・・・コイル、１ａ・・・円板部、１ｂ・・・筒部、
２・・・整流子、３・・・ロータ軸、４・・・ケース、
５・・・蓋ケース、６．７・・・軸受、８．９・・・永
久磁石、１０．　　．１１・・・刷子。Fig. 1 is a sectional view of a conventional coreless motor, Fig. 2 is a perspective view of a coil, Fig. 3 is an explanatory diagram of coil winding, Fig. 4 is a plan view of a rotor, and Fig. 5 is an example of the present invention. FIGS. 6 to 8 are partial sectional views of other embodiments. 1... Coil, 1a... Disc part, 1b... Cylindrical part,
2... Commutator, 3... Rotor shaft, 4... Case,
5... Lid case, 6.7... Bearing, 8.9... Permanent magnet, 10. ．． 11...Brush.

Claims

[Scope of utility model registration request]

A coil having a disk portion around which a coil wire is wound in a radial direction, the center portion of which is thicker than the peripheral portion, a commutator provided at the center of the coil, and a commutator. A rotor shaft that is fixed at the center and supported rotatably, a brush that slides on the commutator, one side of the disc part of the coil ← facing permanent magnets, and a permanent magnet that faces the other side of the disc part of the coil. What is claimed is: 1. A coreless motor comprising: a permanent magnet and a yoke, the opposing surfaces of at least one of the permanent magnet and the yoke with respect to the disk portion being formed in an inclined shape in accordance with the inclination of the surface of the disk portion.