JPH0272653U - - Google Patents
Info
- Publication number
- JPH0272653U JPH0272653U JP15006488U JP15006488U JPH0272653U JP H0272653 U JPH0272653 U JP H0272653U JP 15006488 U JP15006488 U JP 15006488U JP 15006488 U JP15006488 U JP 15006488U JP H0272653 U JPH0272653 U JP H0272653U
- Authority
- JP
- Japan
- Prior art keywords
- bearing
- rotating shaft
- pivot ball
- ball bearing
- supported
- 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
- 239000002184 metal Substances 0.000 claims description 4
- 239000010687 lubricating oil Substances 0.000 claims description 2
Landscapes
- Brushless Motors (AREA)
- Motor Or Generator Frames (AREA)
- Permanent Magnet Type Synchronous Machine (AREA)
Description
第１図は本考案の一実施例を示す縦断側面図、
第２図は本考案の他の実施例を示す縦断側面図、
第３図は従来例を示す縦断側面図である。
２１……ハウジング、２２……軸受取付け部、
２３……ピボツト玉軸受、２４……メタル軸受、
２９……ロータ、３１……回転軸、３６……潤滑
油、３７……溝。
FIG. 1 is a vertical side view showing an embodiment of the present invention;
FIG. 2 is a longitudinal sectional side view showing another embodiment of the present invention;
FIG. 3 is a longitudinal sectional side view showing a conventional example. 21... Housing, 22... Bearing mounting part,
23...Pivot ball bearing, 24...Metal bearing,
29... Rotor, 31... Rotating shaft, 36... Lubricating oil, 37... Groove.
Claims (1)
この取付け部の内底部にピボツト玉軸受を取付け
るとともに、上記軸受取付け部の開口部側にメタ
ル軸受を取付け、ロータの回転軸をその一端を上
記ピボツト玉軸受に支持させるとともに中間部を
上記メタル軸受に貫通支持させて回転自在に設け
るとともに、この回転軸に螺旋状の溝を形成し、
かつ上記メタル軸受と上記ピボツト玉軸受との間
の密閉空間に潤滑油を封入したことを特徴とする
ブタシレスモータ。 A bottomed cylindrical bearing mounting part is provided in the housing,
A pivot ball bearing is attached to the inner bottom of this attachment part, and a metal bearing is attached to the opening side of the bearing attachment part, and one end of the rotating shaft of the rotor is supported by the pivot ball bearing, and the middle part is supported by the metal bearing. A spiral groove is formed on the rotating shaft, and a spiral groove is formed on the rotating shaft.
A brushless motor characterized in that lubricating oil is sealed in a sealed space between the metal bearing and the pivot ball bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15006488U JPH0272653U (en) | 1988-11-17 | 1988-11-17 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15006488U JPH0272653U (en) | 1988-11-17 | 1988-11-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0272653U true JPH0272653U (en) | 1990-06-04 |
Family
ID=31422868
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15006488U Pending JPH0272653U (en) | 1988-11-17 | 1988-11-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0272653U (en) |
-
1988
- 1988-11-17 JP JP15006488U patent/JPH0272653U/ja active Pending