JPS58131178U - small dc motor - Google Patents
small dc motorInfo
- Publication number
- JPS58131178U JPS58131178U JP19732082U JP19732082U JPS58131178U JP S58131178 U JPS58131178 U JP S58131178U JP 19732082 U JP19732082 U JP 19732082U JP 19732082 U JP19732082 U JP 19732082U JP S58131178 U JPS58131178 U JP S58131178U
- Authority
- JP
- Japan
- Prior art keywords
- small
- shaped magnet
- motor
- armature
- ferromagnetic material
- 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.)
- Granted
Links
Landscapes
- Iron Core Of Rotating Electric Machines (AREA)
- Dc Machiner (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来の小型直流モータの断面図、第２図は同モ
ータ縦断面図、第３図は従来と本考案の小型直流モータ
における電機子鉄芯外周部の表面磁束密度の分布図、第
４図は本考案の一実施例における小型直流モータの断面
図、第５図は同モータの縦断面図、第６図は本考案の効
果を説明するためのＣ形マグネットの内径曲率に対する
コツキングと全磁束量の特性図、第７図は同様にＣ形マ
グネット内周面の開角度に対するコツキングと全磁束量
の特性図、第８図は本考案のＣ形マグネットの他の例を
示す側面図である。
１・・・・・・電機子鉄芯、２・・・・・・電機子コイ
ル、４１・・・・・・ｃＪマグネット、５・・・・・・
フレーム、５Ａ・・・・・・突起、１１・・・・・・ば
ね。Fig. 1 is a sectional view of a conventional small DC motor, Fig. 2 is a longitudinal sectional view of the same motor, and Fig. 3 is a distribution diagram of surface magnetic flux density on the outer periphery of the armature core in the conventional and present invention small DC motors. Fig. 4 is a cross-sectional view of a small DC motor according to an embodiment of the present invention, Fig. 5 is a vertical cross-sectional view of the same motor, and Fig. 6 is a diagram showing the inner diameter curvature of a C-shaped magnet to explain the effects of the present invention. and a characteristic diagram of the total magnetic flux, FIG. 7 is a characteristic diagram of the opening angle of the inner peripheral surface of the C-shaped magnet and the total magnetic flux, and FIG. 8 is a side view showing another example of the C-shaped magnet of the present invention. It is a diagram. 1... Armature iron core, 2... Armature coil, 41... cJ magnet, 5...
Frame, 5A...protrusion, 11...spring.
Claims (5)
この電機子鉄芯の外周に位置しフレームに数取けられた
複数個に分割されたＣ形マグネットを有し、前記Ｃ形マ
グネットはその外周面率を前記フレームの曲率と同等と
し、内周面曲率を前記電機子鉄芯外径の曲率の１．０８
倍以上１．６倍以下とした小型直流モータ。(1) A three-pole armature iron core around which an armature coil is wound,
A C-shaped magnet is located on the outer periphery of the armature core and is divided into a plurality of pieces, which are installed in the frame. The surface curvature is 1.08 of the curvature of the armature core outer diameter.
A small DC motor that is more than 1.6 times more powerful.
る開角度を１００°以上とした実用新案登録請求の範囲
第１項記載の小型直流そ一タ。(2) The small DC collector according to claim 1, wherein the opening angle of the inner peripheral surface of the C-shaped magnet with respect to the center of the armature core is 100° or more.
磁性体で構成した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) A small DC motor according to claim 1, in which both ends of the C-shaped magnet are made of a different ferromagnetic material than the central part.
め用突起を軟質強磁性体≠なるフレームと一体に設けて
な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。(4) A small DC motor according to claim 1, which is a registered utility model, in which a positioning protrusion in contact with the circumferential end surface of the C-shaped magnet is integrally provided with a frame made of a soft ferromagnetic material.
の円周方向の端面間に挿入することにより、前記Ｃ形マ
グネットを保持してな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。(5) A small direct current according to claim 1, in which the C-shaped magnet is held by inserting a spring made of a soft ferromagnetic material between the end faces of the C-shaped magnet in the circumferential direction. motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19732082U JPS58131178U (en) | 1982-12-29 | 1982-12-29 | small dc motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19732082U JPS58131178U (en) | 1982-12-29 | 1982-12-29 | small dc motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58131178U true JPS58131178U (en) | 1983-09-05 |
| JPS6120868Y2 JPS6120868Y2 (en) | 1986-06-23 |
Family
ID=30110533
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19732082U Granted JPS58131178U (en) | 1982-12-29 | 1982-12-29 | small dc motor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58131178U (en) |
-
1982
- 1982-12-29 JP JP19732082U patent/JPS58131178U/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6120868Y2 (en) | 1986-06-23 |
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