JPH02139449U - - Google Patents
Info
- Publication number
- JPH02139449U JPH02139449U JP4870089U JP4870089U JPH02139449U JP H02139449 U JPH02139449 U JP H02139449U JP 4870089 U JP4870089 U JP 4870089U JP 4870089 U JP4870089 U JP 4870089U JP H02139449 U JPH02139449 U JP H02139449U
- Authority
- JP
- Japan
- Prior art keywords
- permanent magnet
- magnet pieces
- protrusion
- type rotor
- pieces
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000011347 resin Substances 0.000 claims 1
- 229920005989 resin Polymers 0.000 claims 1
Landscapes
- Permanent Field Magnets Of Synchronous Machinery (AREA)
Description
第１図乃至第４図は本考案の実施例を示し、第
１図は永久磁石型回転子の平面断面図、第２図は
第１図のものをＰ−Ｑ−Ｒ線にて切断した正面断
面図、第３図乃び第４図はそれぞれ異なる例を示
す端板の斜視図、第５図及び第６図は従来例を示
し、第５図は永久磁石型回転子の平面断面図、第
６図は第５図のものをＡ−Ｂ−Ｃ線にて切断した
正面断面図である。
１，１ａ…ヨーク、２…永久磁石片、３…筒体
、４…カシメピン、５，５ａ，５ｂ，６，６ａ…
端板、１４，１４ｂ…突起部、１５ｂ…テーパ面
、１６…カシメピン貫通孔。
Figures 1 to 4 show examples of the present invention, Figure 1 is a plan cross-sectional view of a permanent magnet rotor, and Figure 2 is a cross-sectional view of the rotor in Figure 1 taken along the P-QR line. A front sectional view, FIGS. 3 and 4 are perspective views of end plates showing different examples, FIGS. 5 and 6 show conventional examples, and FIG. 5 is a plan sectional view of a permanent magnet rotor. , FIG. 6 is a front sectional view taken along the line ABC of FIG. 5. 1, 1a... Yoke, 2... Permanent magnet piece, 3... Cylindrical body, 4... Caulking pin, 5, 5a, 5b, 6, 6a...
End plate, 14, 14b...protrusion, 15b...tapered surface, 16...caulking pin through hole.
Claims (1)
配置し、前記永久磁石片の外周部を筒体によつて
、また軸方向両端部を端板によつてそれぞれ覆い
、前記永久磁石片周囲の隙間に樹脂を充填して構
成する永久磁石型回転子において、前記端板に前
記永久磁石片相互間の隙間へ突出する突起部を設
けたことを特徴とする永久磁石型回転子。 (2) 突起部の幅を基部から先端部へ向けて漸減
するテーパに形成し、各永久磁石片を前記突起部
に当接させた請求項１に記載の永久磁石型回転子
。[Claims for Utility Model Registration] (1) A plurality of permanent magnet pieces are arranged in an annular manner around the outer periphery of the yoke, the outer periphery of the permanent magnet pieces is formed by a cylinder, and both axial ends are formed by end plates. A permanent magnet type rotor configured by covering each of the permanent magnet pieces and filling a resin in a gap around the permanent magnet pieces, characterized in that the end plate is provided with a protrusion that projects into the gap between the permanent magnet pieces. Permanent magnet type rotor. (2) The permanent magnet type rotor according to claim 1, wherein the width of the protrusion is tapered so as to gradually decrease from the base to the tip, and each permanent magnet piece is brought into contact with the protrusion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4870089U JPH02139449U (en) | 1989-04-25 | 1989-04-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4870089U JPH02139449U (en) | 1989-04-25 | 1989-04-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02139449U true JPH02139449U (en) | 1990-11-21 |
Family
ID=31565749
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4870089U Pending JPH02139449U (en) | 1989-04-25 | 1989-04-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02139449U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004147493A (en) * | 2002-08-29 | 2004-05-20 | Aisin Seiki Co Ltd | Magnet fixing construction of motor rotor |
| JP2006296020A (en) * | 2005-04-06 | 2006-10-26 | Asmo Co Ltd | Rotor of rotary electric machine and rotary electric machine |
| JP2010207090A (en) * | 2010-06-21 | 2010-09-16 | Mitsubishi Electric Corp | Rotor for permanent magnet embedded motors |
| WO2018180634A1 (en) * | 2017-03-31 | 2018-10-04 | 日本電産サーボ株式会社 | Motor |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5319720B2 (en) * | 1973-07-27 | 1978-06-22 | ||
| JPS57173364A (en) * | 1981-04-20 | 1982-10-25 | Hitachi Ltd | Magnet rotor and assembling method therefor |
| JPS62262643A (en) * | 1986-05-09 | 1987-11-14 | Matsushita Electric Ind Co Ltd | Manufacture of permanent magnet-type rotor |
-
1989
- 1989-04-25 JP JP4870089U patent/JPH02139449U/ja active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5319720B2 (en) * | 1973-07-27 | 1978-06-22 | ||
| JPS57173364A (en) * | 1981-04-20 | 1982-10-25 | Hitachi Ltd | Magnet rotor and assembling method therefor |
| JPS62262643A (en) * | 1986-05-09 | 1987-11-14 | Matsushita Electric Ind Co Ltd | Manufacture of permanent magnet-type rotor |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004147493A (en) * | 2002-08-29 | 2004-05-20 | Aisin Seiki Co Ltd | Magnet fixing construction of motor rotor |
| JP4604464B2 (en) * | 2002-08-29 | 2011-01-05 | アイシン精機株式会社 | Magnet fixing structure of motor rotor |
| JP2006296020A (en) * | 2005-04-06 | 2006-10-26 | Asmo Co Ltd | Rotor of rotary electric machine and rotary electric machine |
| JP2010207090A (en) * | 2010-06-21 | 2010-09-16 | Mitsubishi Electric Corp | Rotor for permanent magnet embedded motors |
| WO2018180634A1 (en) * | 2017-03-31 | 2018-10-04 | 日本電産サーボ株式会社 | Motor |
| CN110574258A (en) * | 2017-03-31 | 2019-12-13 | 日本电产伺服有限公司 | Motor with a stator having a stator core |