JPH01159576U

JPH01159576U -

Info

Publication number: JPH01159576U
Application number: JP5540288U
Authority: JP
Priority date: 1988-04-25
Filing date: 1988-04-25
Publication date: 1989-11-06

Description

[Brief explanation of the drawing]

第１図は本考案の実施例の分解斜視図、第２図
は同上の断面図、第３図は同上の要部正面図、第
４図は同上の他の実施例の他の要部正面図、第５
図は同上の更に他の実施例の分解斜視図、第６図
は従来例の要部斜視図、第７図は他の従来例の要
部斜視図、第８図は別の従来例の全体の断面図で
ある。１はロータ、３は回転軸、５は永久磁石、１０
は固定子鉄心、１０ｂは固定子板、１２は基台、
２３は磁気検出器、Ｓはステータ部である。 Fig. 1 is an exploded perspective view of an embodiment of the present invention, Fig. 2 is a sectional view of the same, Fig. 3 is a front view of the main parts of the same, and Fig. 4 is a front view of other main parts of another embodiment of the same. Figure, 5th
The figure is an exploded perspective view of still another embodiment same as the above, FIG. 6 is a perspective view of the main part of the conventional example, FIG. 7 is a perspective view of the main part of another conventional example, and FIG. 8 is the whole of another conventional example. FIG. 1 is a rotor, 3 is a rotating shaft, 5 is a permanent magnet, 10
is a stator core, 10b is a stator plate, 12 is a base,
23 is a magnetic detector, and S is a stator section.

Claims

[Scope of utility model registration request]

A rotor has permanent magnets on its inner circumferential surface with N and S poles magnetized alternately at equal intervals in the circumferential direction, and the outer circumferential surface formed by the tips of the plurality of magnetic poles is smaller than the inner circumferential surface of the permanent magnet. A stator part includes a stator core and an insulating frame that covers the stator core, which are arranged opposite to each other with a gap in between.The stator part has an inner peripheral part that rotatably supports the rotor's rotating shaft, and an outer part that supports the stator. In the brushless motor, the magnetic detector is positioned and held in the insulating frame, and the brushless motor includes a base on which the permanent magnet is attached, and a magnetic detector that detects the rotational position of the permanent magnet and is provided on the wiring board facing the permanent magnet. A brushless motor characterized by having a holding part integrally formed.