JPS634169U - - Google Patents
Info
- Publication number
- JPS634169U JPS634169U JP9796886U JP9796886U JPS634169U JP S634169 U JPS634169 U JP S634169U JP 9796886 U JP9796886 U JP 9796886U JP 9796886 U JP9796886 U JP 9796886U JP S634169 U JPS634169 U JP S634169U
- Authority
- JP
- Japan
- Prior art keywords
- magnet
- small
- utility
- motor
- model registration
- 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
- 238000010586 diagram Methods 0.000 description 4
- 238000010348 incorporation Methods 0.000 description 1
Landscapes
- Permanent Field Magnets Of Synchronous Machinery (AREA)
- Dc Machiner (AREA)
Description
第１図イないし第１図ニは本考案の小型直流モ
ータの１実施例を示す組み立て図、第１図ホはゴ
ムマグネツトに作用する応力を説明するための図
、第２図イは本考案の他の実施例を示すゴムマグ
ネツトの断面図、第２図ロはゴムマグネツトに作
用する応力を説明するための図、第３図イないし
第３図ニは従来の小型直流モータにおけるゴムマ
グネツトの組み込みを説明するための図、第４図
イおよびロは従来の小型直流モータの断面図であ
る。
図中、５，６，７はゴムマグネツト、２はモー
タケースを表している。
Figures 1A to 1D are assembly diagrams showing one embodiment of the small DC motor of the present invention, Figure 1E is a diagram for explaining the stress acting on the rubber magnet, and Figure 2A is a diagram of the present invention. A sectional view of a rubber magnet showing another embodiment, FIG. 2B is a diagram for explaining the stress acting on the rubber magnet, and FIGS. 3A to 3D are illustrations of the incorporation of a rubber magnet in a conventional small DC motor. Figures 4A and 4B are cross-sectional views of a conventional small DC motor. In the figure, 5, 6, and 7 represent rubber magnets, and 2 represents a motor case.
Claims (1)
内面に固定され、円筒状の界磁を形成する短冊状
のゴムマグネツト又はプラスチツクマグネツト、
該マグネツト内に設けられる回転子を備えた小型
直流モータにおいて、前記短冊状のマグネツトの
円周方向の長さを内側程短くなるように構成する
ことを特徴とする小型直流モータ。 (2) マグネツトの両端を内側方向に斜めに切断
して内側程短くなるように構成することを特徴と
する実用新案登録請求の範囲第１項記載の小型直
流モータ。 (3) 複数層のマグネツトから構成することを特
徴とする実用新案登録請求の範囲第１項および第
２項記載の小型直流モータ。[Scope of claim for utility model registration] (1) A cylindrical motor case, a strip-shaped rubber magnet or plastic magnet fixed to the inner surface of the motor case and forming a cylindrical field;
A small DC motor comprising a rotor provided within the magnet, characterized in that the length of the strip-shaped magnet in the circumferential direction becomes shorter toward the inside. (2) A small DC motor according to claim 1 of the utility model registration, characterized in that both ends of the magnet are cut diagonally inward so that the magnet becomes shorter as it goes inward. (3) A small DC motor according to claims 1 and 2 of the utility model registration, characterized in that it is constructed from a plurality of layers of magnets.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9796886U JPS634169U (en) | 1986-06-26 | 1986-06-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9796886U JPS634169U (en) | 1986-06-26 | 1986-06-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS634169U true JPS634169U (en) | 1988-01-12 |
Family
ID=30965464
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9796886U Pending JPS634169U (en) | 1986-06-26 | 1986-06-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS634169U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014155379A (en) * | 2013-02-12 | 2014-08-25 | Asmo Co Ltd | Rotor and motor |
| US9859761B2 (en) | 2013-02-12 | 2018-01-02 | Asmo Co., Ltd. | Rotor and motor |
-
1986
- 1986-06-26 JP JP9796886U patent/JPS634169U/ja active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014155379A (en) * | 2013-02-12 | 2014-08-25 | Asmo Co Ltd | Rotor and motor |
| US9859761B2 (en) | 2013-02-12 | 2018-01-02 | Asmo Co., Ltd. | Rotor and motor |
| US10326324B2 (en) | 2013-02-12 | 2019-06-18 | Denso Corporation | Rotor and motor |