JPH0398754U - - Google Patents
Info
- Publication number
- JPH0398754U JPH0398754U JP621690U JP621690U JPH0398754U JP H0398754 U JPH0398754 U JP H0398754U JP 621690 U JP621690 U JP 621690U JP 621690 U JP621690 U JP 621690U JP H0398754 U JPH0398754 U JP H0398754U
- Authority
- JP
- Japan
- Prior art keywords
- chassis
- circuit board
- spacer member
- board mounting
- printed circuit
- 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
- 125000006850 spacer group Chemical group 0.000 claims description 5
Landscapes
- Rotational Drive Of Disk (AREA)
Description
第１図は本考案のスピンドルモータの断面図、
第２図は他の本考案のスピンドルモータの断面図
である。第３図は従来のスピンドルモータの断面
図である。
１……ロータ、２……ステータ、３……シヤー
シ、３ａ……基板取付部、３ｂ……段差部、３ｃ
……間座部材、４……永久磁石、５……ロータヨ
ーク、６……スピンドル、７……駆動コイル、８
……プリント基板、９……バツクヨーク、１０…
…ボス、１１……ボールベアリング、１２……オ
イルレスベアリング、１３……ネジ、１４……チ
ヤツキング部材。
Figure 1 is a sectional view of the spindle motor of the present invention.
FIG. 2 is a sectional view of another spindle motor of the present invention. FIG. 3 is a sectional view of a conventional spindle motor. 1 ... Rotor, 2 ... Stator, 3... Chassis, 3a... Board attachment part, 3b... Step part, 3c
... Spacer member, 4 ... Permanent magnet, 5 ... Rotor yoke, 6 ... Spindle, 7 ... Drive coil, 8
...Printed circuit board, 9...Back yoke, 10...
... Boss, 11 ... Ball bearing, 12 ... Oil-less bearing, 13 ... Screw, 14 ... Chatting member.
Claims (1)
駆動コイルを配置したプリント基板をバツクヨー
クと共にシヤーシの基板取付部に取り付けたステ
ータとを平面対向型に配置したスピンドルモータ
において、 前記シヤーシの基板取付部に段差部又は間座部
材を設け、且つ前記プリント基板に前記段差部又
は間座部材の径より大きい径の逃がし孔を穿設し
、前記プリント基板の逃がし孔を前記シヤーシの
基板取付部に設けた段差部又は間座部材に挿入後
、その上から前記バツクヨークを前記シヤーシの
基板取付部にネジにより固定したことを特徴とす
るスピンドルモータ。[Claims for Utility Model Registration] A spindle motor in which a rotor equipped with an annular permanent magnet and a stator, in which a printed circuit board on which a plurality of drive coils are arranged, are attached together with a back yoke to the circuit board mounting part of a chassis, are arranged in a plane-opposed manner. A stepped portion or a spacer member is provided in the board mounting portion of the chassis, and a relief hole having a diameter larger than the diameter of the stepped portion or spacer member is bored in the printed circuit board, and the relief hole of the printed circuit board is provided with a step portion or a spacer member. A spindle motor characterized in that the back yoke is inserted into a stepped portion or a spacer member provided in a board mounting portion of the chassis, and then fixed to the board mounting portion of the chassis with screws from above.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP621690U JPH0398754U (en) | 1990-01-29 | 1990-01-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP621690U JPH0398754U (en) | 1990-01-29 | 1990-01-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0398754U true JPH0398754U (en) | 1991-10-15 |
Family
ID=31509895
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP621690U Pending JPH0398754U (en) | 1990-01-29 | 1990-01-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0398754U (en) |
-
1990
- 1990-01-29 JP JP621690U patent/JPH0398754U/ja active Pending
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