JPS6450661U

JPS6450661U -

Info

Publication number: JPS6450661U
Application number: JP14698687U
Authority: JP
Priority date: 1987-09-25
Filing date: 1987-09-25
Publication date: 1989-03-29

Description

【図面の簡単な説明】[Brief explanation of the drawing]

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は永久磁石、１４は位置決め
体である。 Fig. 1 is a front view of the permanent magnet rotor showing the upper half in section, 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 permanent magnet, and 14 is a positioning body.

Claims

【実用新案登録請求の範囲】１モータ軸１０と、そのモータ軸１０に挿嵌固定されたヨーク鉄心
１１と、そのヨーク鉄心１１の表面に固着された複数個
の永久磁石１２と、を設けたことを特徴とするモータにおける永久磁
石形回転子の構造。２前記ヨーク鉄心１１が、成層鋼板によつて構
成されていることを特徴とする実用新案登録請求
の範囲第１項記載のモータにおける永久磁石形回
転子の構造。３前記成層鋼板１１には、前記複数個の永久磁
石１２の位置決めのためそれと同数の突起部１１
ａが形成されていることを特徴とする実用新案登
録請求の範囲第２項記載のモータにおける永久磁
石形回転子の構造。４前記モータ軸１０上における前記永久磁石１
２の軸線方向両端部に、それぞれ前記永久磁石１
２の内径より大なる直径を有する複数の成層鋼板
よりなる位置決め体１４を挿嵌固定し、前記永久
磁石１２の軸線方向の位置決めをなすようにした
ことを特徴とする実用新案登録請求の範囲第２項
記載のモータにおける永久磁石形回転子の構造。[Claims for Utility Model Registration] 1. A motor shaft 10, a yoke core 11 inserted and fixed to the motor shaft 10, and a plurality of permanent magnets 12 fixed to the surface of the yoke core 11. A structure of a permanent magnet rotor in a motor, characterized in that: 2. The structure of a permanent magnet rotor in a motor according to claim 1, wherein the yoke core 11 is made of a laminated steel plate. 3 The layered steel plate 11 is provided with the same number of protrusions 11 for positioning the plurality of permanent magnets 12.
The structure of a permanent magnet type rotor in a motor according to claim 2, characterized in that a is formed. 4. The permanent magnet 1 on the motor shaft 10
The permanent magnets 1 are located at both axial ends of the magnets 1 and 2, respectively.
The utility model registration claim No. 2 is characterized in that the positioning body 14 made of a plurality of laminated steel plates having a diameter larger than the inner diameter of the permanent magnet 12 is inserted and fixed to position the permanent magnet 12 in the axial direction. Structure of a permanent magnet rotor in the motor according to item 2.