JPH0294451U - - Google Patents
Info
- Publication number
- JPH0294451U JPH0294451U JP1989002159U JP215989U JPH0294451U JP H0294451 U JPH0294451 U JP H0294451U JP 1989002159 U JP1989002159 U JP 1989002159U JP 215989 U JP215989 U JP 215989U JP H0294451 U JPH0294451 U JP H0294451U
- Authority
- JP
- Japan
- Prior art keywords
- bearing
- rotor shaft
- bearing hole
- equal
- small motor
- 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
- 229910000897 Babbitt (metal) Inorganic materials 0.000 claims description 4
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/02—Parts of sliding-contact bearings
- F16C33/04—Brasses; Bushes; Linings
- F16C33/06—Sliding surface mainly made of metal
- F16C33/10—Construction relative to lubrication
- F16C33/1025—Construction relative to lubrication with liquid, e.g. oil, as lubricant
- F16C33/103—Construction relative to lubrication with liquid, e.g. oil, as lubricant retained in or near the bearing
- F16C33/104—Construction relative to lubrication with liquid, e.g. oil, as lubricant retained in or near the bearing in a porous body, e.g. oil impregnated sintered sleeve
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C23/00—Bearings for exclusively rotary movement adjustable for aligning or positioning
- F16C23/02—Sliding-contact bearings
- F16C23/04—Sliding-contact bearings self-adjusting
- F16C23/041—Sliding-contact bearings self-adjusting with edge relief
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C17/00—Sliding-contact bearings for exclusively rotary movement
- F16C17/02—Sliding-contact bearings for exclusively rotary movement for radial load only
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Sliding-Contact Bearings (AREA)
- Motor Or Generator Frames (AREA)
Description
第１図は本考案の一実施例による軸受構造の要
部拡大断面図、第２図は従来の軸受構造の要部拡
大断面図、第３図は本考案の実施例および従来例
に共通する片持ち支持式軸受構造をもつた小型モ
ータの概略断面図である。
１……円筒形マグネツト、２……ツバ部材、３
……ロータ軸、４……ヨーク、５……ヨーク、６
……正面板、７……軸受メタル、８……軸受孔、
８ａ，８ｂ……テーパー面。
Fig. 1 is an enlarged sectional view of the main part of a bearing structure according to an embodiment of the present invention, Fig. 2 is an enlarged sectional view of the main part of a conventional bearing structure, and Fig. 3 is common to the embodiment of the present invention and the conventional example. 1 is a schematic cross-sectional view of a small motor with a cantilevered bearing structure. 1... Cylindrical magnet, 2... Flange member, 3
...Rotor shaft, 4...Yoke, 5...Yoke, 6
...Front plate, 7...Bearing metal, 8...Bearing hole,
8a, 8b...Tapered surface.
Claims (1)
でもつてロータ軸を片持ち支持する小型モータの
軸受構造において、前記軸受メタルは前記ロータ
軸より若干大きな内径の軸受孔を有するとともに
、この軸受孔の両端部はテーパー状に拡径されて
おり、前記軸受メタルをその中心線を含む平面で
断面したときに、前記軸受孔の両端部のテーパー
面が平行で両テーパー面の間隔が前記ロータ軸の
直径と等しいことを特徴とする小型モータの軸受
構造。 In a bearing structure for a small motor in which a rotor shaft is cantilever supported by one bearing metal attached to the stator side, the bearing metal has a bearing hole with an inner diameter slightly larger than the rotor shaft, and both ends of this bearing hole The diameter of the bearing hole is expanded in a tapered shape, and when the bearing metal is sectioned along a plane including its center line, the tapered surfaces at both ends of the bearing hole are parallel and the distance between the two tapered surfaces is equal to the diameter of the rotor shaft. A bearing structure for a small motor characterized by being equal to .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989002159U JPH0294451U (en) | 1989-01-13 | 1989-01-13 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989002159U JPH0294451U (en) | 1989-01-13 | 1989-01-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0294451U true JPH0294451U (en) | 1990-07-26 |
Family
ID=31202688
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989002159U Pending JPH0294451U (en) | 1989-01-13 | 1989-01-13 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0294451U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004090360A1 (en) * | 2003-04-02 | 2004-10-21 | Mitsubishi Materials Corporation | Oil-impregnated sintered bearing and method of producing the same |
| CN100395460C (en) * | 2003-04-02 | 2008-06-18 | 三菱综合材料Pmg株式会社 | Oil-impregnated sintered bearing and method of producing the same |
| KR100856914B1 (en) * | 2002-08-30 | 2008-09-05 | 엘지전자 주식회사 | Frame for hermetic compressor and making method the same |
| JP2011038564A (en) * | 2009-08-07 | 2011-02-24 | Alphana Technology Co Ltd | Disk driving device |
| US10731704B2 (en) | 2016-10-18 | 2020-08-04 | Diamet Corporation | Oil-impregnated sintered bearing and production method therefor |
| JPWO2020095903A1 (en) * | 2018-11-08 | 2021-09-02 | パナソニック株式会社 | Refrigerant compressor and refrigeration equipment using it |
-
1989
- 1989-01-13 JP JP1989002159U patent/JPH0294451U/ja active Pending
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100856914B1 (en) * | 2002-08-30 | 2008-09-05 | 엘지전자 주식회사 | Frame for hermetic compressor and making method the same |
| WO2004090360A1 (en) * | 2003-04-02 | 2004-10-21 | Mitsubishi Materials Corporation | Oil-impregnated sintered bearing and method of producing the same |
| CN100395460C (en) * | 2003-04-02 | 2008-06-18 | 三菱综合材料Pmg株式会社 | Oil-impregnated sintered bearing and method of producing the same |
| US8360648B2 (en) | 2003-04-02 | 2013-01-29 | Diamet Corporation | Oil-impregnated sintered bearing and method of producing the same |
| US8726515B2 (en) | 2003-04-02 | 2014-05-20 | Diamet Corporation | Oil-impregnated sintered bearing and method of producing the same |
| JP2011038564A (en) * | 2009-08-07 | 2011-02-24 | Alphana Technology Co Ltd | Disk driving device |
| US8757883B2 (en) | 2009-08-07 | 2014-06-24 | Samsung Electro-Mechanics Japan Advanced Technology Co., Ltd. | Disk drive device |
| US10731704B2 (en) | 2016-10-18 | 2020-08-04 | Diamet Corporation | Oil-impregnated sintered bearing and production method therefor |
| JPWO2020095903A1 (en) * | 2018-11-08 | 2021-09-02 | パナソニック株式会社 | Refrigerant compressor and refrigeration equipment using it |
| EP3879101A4 (en) * | 2018-11-08 | 2021-12-29 | Panasonic Corporation | Refrigerant compressor and refrigeration apparatus using same |