JPH0340849U

JPH0340849U -

Info

Publication number: JPH0340849U
Application number: JP9929989U
Authority: JP
Priority date: 1989-08-25
Filing date: 1989-08-25
Publication date: 1991-04-19
Anticipated expiration: 2004-08-25
Also published as: JP2526141Y2

Description

[Brief explanation of the drawing]

第１図は、請求項(1)記載の考案の一実施例（
第１の実施例）を示す縦断面図、第２図は、その
成形樹脂層形成前の分解斜視図、第３図は、請求
項(2)記載の考案の一実施例（別の実施例）を示
す縦断面図、第４図、その複数に切断した斜視図
、第５図は、同じく複数に切断した平面図、第６
図は、その成形樹脂層形成前の分解斜視図、第７
図は、従来例を示す複数に切断した斜視図、第８
図は、その横断面図である。１……回転子軸、２……ヨーク、２ｅ乃至２ｈ
……貫通孔、３ａ乃至３ｄ……セグメント磁石、
１４，２４……樹脂制御板、１４ｅ乃至１４ｈ…
…貫通孔、１４ｊ乃至１４ｍ……円筒状突起、２
４ａ，２４ｂ……突起、５……熱硬化性樹脂の成
形樹脂層。 FIG. 1 shows an embodiment of the device as claimed in claim (1) (
FIG. 2 is an exploded perspective view of the device before formation of the molded resin layer, and FIG. ), FIG. 4 is a perspective view cut into multiple pieces, FIG. 5 is a plan view similarly cut into multiple pieces, and FIG.
The figure is an exploded perspective view before forming the molded resin layer.
The figure is a perspective view cut into multiple parts showing a conventional example.
The figure is a cross-sectional view thereof. 1...Rotor shaft, 2...Yoke, 2e to 2h
...Through holes, 3a to 3d...Segment magnets,
14, 24...Resin control board, 14e to 14h...
...Through hole, 14j to 14m...Cylindrical projection, 2
4a, 24b... protrusion, 5... molded resin layer of thermosetting resin.

Claims

[Claims for Utility Model Registration] (1) A rotor shaft and a device that is fixed to the outer periphery of the rotor shaft, which is basically cylindrical in shape and has holding protrusions projecting radially from the outer periphery. , a yoke made of a magnetic material and having a plurality of through holes in the axial direction, and a plurality of segment magnets having an arcuate plate shape and housed in a space formed by the outer peripheral surface of the yoke and the side surface of the holding protrusion; A through hole that is attached to the rotor shaft so as to sandwich the axial side surfaces of the yoke and the segment magnet, and has an outer diameter that is approximately equal to or slightly smaller than the outer diameter of the holding protrusion, and that corresponds to the through hole of the yoke. a resin control plate made of a non-magnetic material having A permanent magnet rotor formed of a molded resin layer of thermosetting resin, characterized in that a cylindrical protrusion that fits into a through hole of a yoke is provided around a through hole of a resin control plate. rotor. (2) The permanent magnet rotor according to claim (1), wherein a protrusion having a height protruding from the molded resin layer is provided on the end face of the resin control plate opposite to the cylindrical protrusion.