JPS6363082U - - Google Patents
Info
- Publication number
- JPS6363082U JPS6363082U JP15629886U JP15629886U JPS6363082U JP S6363082 U JPS6363082 U JP S6363082U JP 15629886 U JP15629886 U JP 15629886U JP 15629886 U JP15629886 U JP 15629886U JP S6363082 U JPS6363082 U JP S6363082U
- Authority
- JP
- Japan
- Prior art keywords
- brushless motor
- circuit board
- printed circuit
- rotating shaft
- center
- 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
- 239000000758 substrate Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Brushless Motors (AREA)
Description
第１図は本考案の第一実施例を示す小型ブラシ
レスモータの断面図、第２図は第１図のＢ―Ｂ′
断面図、第３図は本考案の第一実施例の説明平面
図、第４図は本考案の第二実施例を示す説明平面
図、第５図は本考案の第三実施例を示す小型ブラ
シレスモータの断面図、第６図は従来の小型ブラ
シレスモータの分解斜視図、第７図は従来の小型
ブラシレスモータの断面図、第８図は第７図のＡ
―Ａ′断面図である。
１…プリント基板、２…コイル、９…回転軸、
１１…磁石取付板、１２…ドーナツ状磁石、１４
…ステータケース、１５……ラジアル軸受、５０
，６０，７０…回転ヨーク板、５０ａ，６０ａ，
７０ａ…スリツト、７０ｂ…折り曲げ部。
Fig. 1 is a sectional view of a small brushless motor showing the first embodiment of the present invention, and Fig. 2 is a cross-sectional view taken along line BB' in Fig. 1.
3 is an explanatory plan view of the first embodiment of the present invention, FIG. 4 is an explanatory plan view of the second embodiment of the present invention, and FIG. 5 is a small scale diagram showing the third embodiment of the present invention. 6 is an exploded perspective view of a conventional small brushless motor, FIG. 7 is a sectional view of a conventional small brushless motor, and FIG. 8 is A of FIG. 7.
-A' sectional view. 1... Printed circuit board, 2... Coil, 9... Rotating shaft,
11... Magnet mounting plate, 12... Donut-shaped magnet, 14
...Stator case, 15...Radial bearing, 50
, 60, 70... rotating yoke plate, 50a, 60a,
70a...slit, 70b...bend portion.
Claims (1)
たプリント基板と、ステータケースに設けた軸受
に回転自在に軸支した回転軸と、前記プリント基
板の他方の面に対向して配置すると共に前記回転
軸と一体で回転自在に配置した磁石取付板と、該
磁石取付板に前記プリント基板と対向して固着し
た厚み方向に着磁され円周方向に交互に反対磁極
を有するドーナツ状磁石と、前記回転軸と一体で
回転自在に取付ると共に前記複数のコイルと対向
して配置した回転ヨーク板を備えて成るブラシレ
スモータにおいて、前記回転ヨーク板に、前記ド
ーナツ状磁石の各磁極の中心と対向する各位置に
回転中心から放射状にスリツトを設けたことを特
徴とする小型ブラシレスモータ。 (2) 前記スリツトは回転ヨーク板の回転中心か
ら放射状に広がる扇状を成すものであることを特
徴とする実用新案登録請求の範囲第(1)項記載の
小型ブラシレスモータ。[Claims for Utility Model Registration] (1) A printed circuit board with a plurality of coils arranged in a circular shape on one surface, a rotating shaft rotatably supported on a bearing provided in a stator case, and the other side of the printed circuit board. a magnet mounting plate disposed facing the surface of the substrate and rotatably integral with the rotating shaft; and a magnet mounting plate fixed to the magnet mounting plate facing the printed circuit board and magnetized alternately in the circumferential direction. A brushless motor comprising: a donut-shaped magnet having opposite magnetic poles; and a rotating yoke plate rotatably attached integrally with the rotating shaft and disposed facing the plurality of coils. A small brushless motor characterized in that slits are provided radially from the center of rotation at each position facing the center of each magnetic pole of a donut-shaped magnet. (2) The small brushless motor according to claim (1), wherein the slit has a fan shape that extends radially from the center of rotation of the rotating yoke plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15629886U JPS6363082U (en) | 1986-10-13 | 1986-10-13 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15629886U JPS6363082U (en) | 1986-10-13 | 1986-10-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6363082U true JPS6363082U (en) | 1988-04-26 |
Family
ID=31077783
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15629886U Pending JPS6363082U (en) | 1986-10-13 | 1986-10-13 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6363082U (en) |
-
1986
- 1986-10-13 JP JP15629886U patent/JPS6363082U/ja active Pending
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