JPS6450662U

JPS6450662U -

Info

Publication number: JPS6450662U
Application number: JP14698787U
Authority: JP
Priority date: 1987-09-25
Filing date: 1987-09-25
Publication date: 1989-03-29

Description

[Brief explanation of drawings]

第１図は上半分を断面にして示す永久磁石形回
転子の正面図、第２図は第１図のＡ―Ａ線断面図
、第３図はヨーク鉄心１１の拡大図、第４図は従
来技術を示す第１図相当図である。図中、１０はモータ軸、１１はヨーク鉄心、１
１ａは突起部、１２は一対の磁性体製端板、１３
は穴、１４は永久磁石である。 Fig. 1 is a front view of the permanent magnet rotor with the upper half sectioned, Fig. 2 is a sectional view taken along the line A--A in Fig. 1, Fig. 3 is an enlarged view of the yoke core 11, and Fig. 4 is an enlarged view of the yoke core 11. FIG. 1 is a diagram corresponding to FIG. 1 showing the prior art. In the figure, 10 is the motor shaft, 11 is the yoke core, 1
1a is a protrusion, 12 is a pair of magnetic end plates, 13
14 is a hole, and 14 is a permanent magnet.

Claims

[Claims for Utility Model Registration] 1. A motor shaft 10; a yoke core 11 made of a laminated steel plate inserted and fixed onto the motor shaft 10; A pair of magnetic end plates 12 which are inserted and fixed, have the same outer shape as the yoke core 11, and are formed thicker than at least one of the laminated steel plates; and a pair of magnetic end plates 12. and a plurality of permanent magnets 1 fixed to the surface of the yoke core 11.
4. A structure of a permanent magnet rotor in a motor, characterized in that it is provided with: 2 The yoke core 11 is provided with the same number of projections 1 for positioning the plurality of permanent magnets 14.
A structure of a permanent magnet type rotor in a motor according to claim 1, characterized in that a permanent magnet rotor is formed in the motor according to claim 1. 3. Utility model registration claim 1, characterized in that at least one of the pair of magnetic end plates 12 is formed with a hole 13 for dynamically balancing the permanent magnet rotor. Or the structure of the permanent magnet rotor in the motor according to item 2.