JPS6031175U

JPS6031175U - flat brushless motor

Info

Publication number: JPS6031175U
Application number: JP12238783U
Authority: JP
Inventors: 修安達; 杉田　恵三; 熊田　正次; 鬼頭　正雄
Original assignee: Yaskawa Electric Corp; Nippon Telegraph and Telephone Corp
Current assignee: Yaskawa Electric Corp; NTT Inc
Priority date: 1983-08-06
Filing date: 1983-08-06
Publication date: 1985-03-02
Also published as: JPH022067Y2

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図は従来例を示す側断面図、第２図は本考案の一実
施例を示す側断面図、第３図は第２図におけるＡＡ’矢
視力向の平面図、第４図は第２図におけるＢ部の詳細断
面図、第５図は本案の他の実施例の要部の側断面図、第
６図は本案のさらに他の実施例の要部の側断面図、第７
図は第６図における磁気シールド板の斜視図である。１・・・回転軸、２・・・ねじ、３・・・ロータヨーク
、４・・・マグネット、５・・・磁性板、６′・・・ス
テータヨーク、７・・・電機子コイル、８・・・漏洩磁
束、９・・・磁気シールド板、１０・・・固定ピン、１
１・・・突起、１２・・・空隙、１３・・・磁気シール
ド板の一部を切り起こした固定ピン。第２図３４第３図FIG. 1 is a side sectional view showing a conventional example, FIG. 2 is a side sectional view showing an embodiment of the present invention, FIG. 3 is a plan view taken in the direction of arrow AA' in FIG. 2, and FIG. 2 is a detailed sectional view of part B in FIG. 2, FIG. 5 is a side sectional view of a main part of another embodiment of the present invention, FIG. 6 is a side sectional view of a main part of still another embodiment of the present invention, and FIG.
The figure is a perspective view of the magnetic shield plate in FIG. 6. DESCRIPTION OF SYMBOLS 1... Rotating shaft, 2... Screw, 3... Rotor yoke, 4... Magnet, 5... Magnetic plate, 6'... Stator yoke, 7... Armature coil, 8... ...Leakage magnetic flux, 9...Magnetic shield plate, 10...Fixing pin, 1
1...Protrusion, 12...Gap, 13...Fixing pin made by cutting and raising a part of the magnetic shield plate. Figure 2 34 Figure 3

Claims

[Claims for Utility Model Registration] 1. A magnet attached to a rotor yoke, the magnet, a stator yoke formed by stacking a plurality of thin magnetic plates facing the magnet in the axial direction, and the magnet of the stator yoke. In a flat brushless motor with armature coils fixed to opposing surfaces,
A cut is made in part or all of the outer periphery of the stator yoke.
A flat brushless motor characterized in that a magnetic shield plate having an L-shaped surface is provided, and the magnetic shield plate is caulked and fixed together with the laminated magnetic plates using fixing pins. 2. A utility model registration claim in which a plurality of protrusions are provided on the attachment surface of the magnetic shield plate to the stator yoke, and the magnetic shield plate is attached to the stator yoke with a gap formed between the shield plate and the stator yoke. A flat brushless motor according to scope 1. 3. The flat brushless motor according to claim 1 or 2, wherein a fixing pin is formed by cutting and raising a part of the magnetic shield plate.