JPH0414477U - - Google Patents
Info
- Publication number
- JPH0414477U JPH0414477U JP5353890U JP5353890U JPH0414477U JP H0414477 U JPH0414477 U JP H0414477U JP 5353890 U JP5353890 U JP 5353890U JP 5353890 U JP5353890 U JP 5353890U JP H0414477 U JPH0414477 U JP H0414477U
- Authority
- JP
- Japan
- Prior art keywords
- rotor
- rotor shaft
- hole
- attached
- steel ball
- 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
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 2
Landscapes
- Motor Or Generator Frames (AREA)
Description
第１図および第２図は本考案の一実施例を示し
、第１図はステツピングモータをフロツピーデイ
スク駆動装置に組み込んだ状態の断面図、第２図
は第１図中−線方向から見た潤滑構造部分を
示す図、第３図は従来のステツピングモータをフ
ロツピーデイスク駆動装置に組み込んだ状態を示
す断面図である。
３……ステータ、１５……モータフレーム、１
５ａ……ロータ収納孔、２１……ロータ、２２…
…ロータ軸、２３……ロータマグネツト（大径部
）、２４……鋼球、４２……板ばね、４２ａ……
ばね部、４６……保持突部、４７……含油材、４
７ａ……孔。
1 and 2 show one embodiment of the present invention, FIG. 1 is a cross-sectional view of a stepping motor installed in a floppy disk drive device, and FIG. 2 is a sectional view taken from the - line direction in FIG. 1. FIG. 3 is a sectional view showing a conventional stepping motor installed in a floppy disk drive device. 3... Stator, 15... Motor frame, 1
5a...Rotor storage hole, 21...Rotor, 22...
... Rotor shaft, 23 ... Rotor magnet (large diameter part), 24 ... Steel ball, 42 ... Leaf spring, 42a ...
Spring part, 46... Holding protrusion, 47... Oil-impregnated material, 4
7a... hole.
Claims (1)
収納孔を有したステータと、 一端面に鋼球が取付けられたロータ軸、および
このロータ軸よりも大径であつて外周部が着磁さ
れているとともに、上記ロータ軸の外周に装着さ
れて上記ロータ収納孔の内側に配置される大径部
を有したロータと、 上記ロータ軸の中間部を支持して上記フレーム
の一端に取付けられた軸受と、 上記モータフレームの他端部に取付けられ、上
記鋼球に接して上記ロータ軸にその他端部方向へ
のスラスト荷重を与える板ばねと、 上記大径部の上記板ばね側端面に上記鋼球を囲
んで突設されたリング形の保持突部と、 中央部に孔を有し、この孔の縁を上記鋼球に接
触させて上記保持突部の内側に嵌め込み保持され
た含油材と を具備したステツピングモータ。[Scope of claim for utility model registration] A motor frame, a stator housed in the motor frame and having a rotor storage hole in the center, a rotor shaft with a steel ball attached to one end surface, and a diameter larger than the rotor shaft. a rotor having an outer circumferential portion magnetized and having a large diameter portion attached to the outer circumference of the rotor shaft and disposed inside the rotor housing hole; and a rotor supporting an intermediate portion of the rotor shaft. a bearing attached to one end of the frame; a leaf spring attached to the other end of the motor frame and applying a thrust load to the rotor shaft in the direction of the other end in contact with the steel balls; a ring-shaped holding protrusion that protrudes from the leaf spring side end surface of the part to surround the steel ball; and a hole in the center, and the edge of the hole is brought into contact with the steel ball so that the holding protrusion A stepping motor comprising an oil-impregnated material fitted and held inside the stepping motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5353890U JPH0414477U (en) | 1990-05-24 | 1990-05-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5353890U JPH0414477U (en) | 1990-05-24 | 1990-05-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0414477U true JPH0414477U (en) | 1992-02-05 |
Family
ID=31574811
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5353890U Pending JPH0414477U (en) | 1990-05-24 | 1990-05-24 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0414477U (en) |
-
1990
- 1990-05-24 JP JP5353890U patent/JPH0414477U/ja active Pending