JPS6397375U

JPS6397375U -

Info

Publication number: JPS6397375U
Application number: JP19224686U
Authority: JP
Priority date: 1986-12-12
Filing date: 1986-12-12
Publication date: 1988-06-23
Anticipated expiration: 2001-12-12
Also published as: JPH0724937Y2

Description

[Brief explanation of the drawing]

第１図〜第１３図は、本考案の一実施例を示し
、第１図は第２図のＡ―Ａ線およびＢ―
Ｂ線断面図、第２図は部分断面側面図、第３図は
ロータの正面図、第４図は第３図の―線断面
図、第５図は鉄心の概略斜視図、第６図は第５図
の方向からみた正面図、第７図は第５図の方
向からみた側面図、第８図はフロントホルダの正
面図、第９図は第８図の―線断面図、第１０
図はリヤホルダの正面図、第１１図は第１０図の
―線断面図、第１２図はケースの正面図
、第１３図は第１２図の―線断面図、第
１４図は従来の技術を説明するための部分断面図
である。１０…ロータ、１２…永久磁石、１４…回転軸
、３０…ステータ、３１…鉄心、３１ａ…張出部
、３２…電機子コイル。 1 to 13 show an embodiment of the present invention, and FIG. 1 shows lines A--A and B-- in FIG.
2 is a partial sectional side view, 3 is a front view of the rotor, 4 is a sectional view taken along the line 3 in 3, 5 is a schematic perspective view of the iron core, and 6 is a sectional view of the iron core. FIG. 7 is a front view seen from the direction of FIG. 5, FIG. 8 is a front view of the front holder, FIG. 9 is a sectional view taken along the line - - of FIG.
11 is a front view of the rear holder, FIG. 11 is a cross-sectional view taken along the line - in FIG. 10, FIG. 12 is a front view of the case, FIG. 13 is a cross-sectional view taken in line - It is a partial sectional view for explanation. DESCRIPTION OF SYMBOLS 10... Rotor, 12... Permanent magnet, 14... Rotating shaft, 30... Stator, 31... Iron core, 31a... Overhang part, 32... Armature coil.

Claims

[Claims for Utility Model Registration] A flat rotor is constructed by arranging and fixing a plurality of permanent magnets in an annular shape so that their magnetic pole directions are parallel to each other, and the permanent magnets extend from both sides of the flat rotor to the outer circumferential side. A flat rotor type brushless motor in which a plurality of iron cores formed in an annular shape are arranged along the outer periphery of the rotor, and an armature coil is wound around the outer periphery of each core to form a stator. In this step, an overhang is formed in a portion of each of the iron cores that is inner than the part around which the armature coil is wound, and on adjacent sides between each of the iron cores, and the overhang is opposed to the rotor. A flat rotor type brushless motor characterized in that a gap between adjacent sides between each iron core is closed.