JPH0767282A - Blower motor for car air-conditioner - Google Patents
Blower motor for car air-conditionerInfo
- Publication number
- JPH0767282A JPH0767282A JP20623293A JP20623293A JPH0767282A JP H0767282 A JPH0767282 A JP H0767282A JP 20623293 A JP20623293 A JP 20623293A JP 20623293 A JP20623293 A JP 20623293A JP H0767282 A JPH0767282 A JP H0767282A
- Authority
- JP
- Japan
- Prior art keywords
- oil
- bearing
- shaft
- commutator
- impregnated
- 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
Landscapes
- Sliding-Contact Bearings (AREA)
- Air-Conditioning For Vehicles (AREA)
- Motor Or Generator Frames (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は自動車空調用のブロアモ
ータに関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a blower motor for automobile air conditioning.
【０００２】[0002]
【従来の技術】従来この種の自動車用ブロアモータはた
とえば、実公昭５５−２３０６４がある。2. Description of the Related Art Conventionally, a blower motor for an automobile of this type is, for example, JP-B-55-23064.
【０００３】図２は従来例の自動車用ブロアモータの構
成図である。軸受け１の外周囲に含油部材として含油フ
ェルト２が取り付けられ、軸受け１の端面部は、ワッシ
ャ４を介してオイルリテーナ５が取り付けられた構造で
ある。FIG. 2 is a block diagram of a conventional automobile blower motor. An oil-impregnated felt 2 as an oil-impregnated member is attached to the outer periphery of the bearing 1, and an end surface portion of the bearing 1 has an oil retainer 5 attached via a washer 4.
【０００４】[0004]
【発明が解決しようとする課題】しかしながら、上記の
構成では、シャフトが回転中には摩擦などにより含油軸
受けの温度が上がり流出した潤滑油がオイルリテーナに
より高速で回転する時に潤滑油は飛散して、ブラシや整
流子に付着しブラシの異常摩耗による寿命の低下や整流
子の表面の異常な起伏状態により回転時に異常音が発生
する不都合があった。However, in the above-mentioned structure, the temperature of the oil-impregnated bearing rises due to friction or the like while the shaft is rotating, and the leaked lubricant oil is scattered when the oil retainer rotates at high speed. However, there is a problem that abnormal noise is generated at the time of rotation due to the deterioration of the life of the brush or the commutator caused by abnormal wear of the brush and the abnormal undulation of the surface of the commutator.
【０００５】[0005]
【課題を解決するための手段】モータカバーに保持さ
れ、整流子に対向する第１含油軸受けとモータヨークに
保持された第２含油軸受けを有し、上記２個の含油軸受
けの周囲に含油部材を接触させた状態で設けられ、更に
第１含油軸受けには無含油部材が第１含油軸受けに接触
させた状態で取り付けられている。A first oil-impregnated bearing held by a motor cover and facing a commutator and a second oil-impregnated bearing held by a motor yoke are provided, and an oil-impregnated member is provided around the two oil-impregnated bearings. Are provided in contact with each other, and an oil-free member is attached to the first oil-impregnated bearing in contact with the first oil-impregnated bearing.
【０００６】[0006]
【作用】本発明は上記構成によりシャフト回転時に軸受
け外周部から流出した潤滑油は全て無含油部材により吸
収され、含油軸受けとシャフトとの摺動部から流出した
潤滑油は表面張力により含油軸受けに設けた窪みに保持
される。また、含油軸受けの窪みから溢れでた潤滑油は
シャフトに塗布された撥油剤によりシャフトの伝わりを
防止する。含油軸受け１と整流子間のシャフトはシャフ
トカバーにより覆われることによりブラシ摩耗粉がシャ
フト摺動部に入り込むことを防止する。According to the present invention, the lubricating oil flowing out from the outer peripheral portion of the bearing when the shaft is rotated is absorbed by the oil-free member, and the lubricating oil flowing out from the sliding portion between the oil-impregnated bearing and the shaft is converted into the oil-impregnated bearing by the surface tension. It is held in the provided recess. In addition, the lubricating oil overflowing from the recess of the oil-impregnated bearing is prevented from being transmitted to the shaft by the oil repellent applied to the shaft. The shaft between the oil-impregnated bearing 1 and the commutator is covered with the shaft cover to prevent brush abrasion powder from entering the shaft sliding portion.
【０００７】[0007]
【実施例】以下に本発明の一実施例を図１、及び図３に
基づいて説明する。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to FIGS.
【０００８】ロータを支承する２個の軸受けの一方の第
１軸受け１の外周部分は含油フェルト２と無含油フェル
ト５により覆われている。The outer peripheral portion of the first bearing 1 of the two bearings supporting the rotor is covered with the oil-impregnated felt 2 and the oil-impregnated felt 5.
【０００９】シャフト３には溝１４が設けられ、また撥
油剤１５も塗布されている。シャフト３の周囲はシャフ
トカバー１０で覆われ、無含油フェルト５の表面のフェ
ルト突出を防止するためのカバーがシャフトカバー１０
と一体となっている。また、シャフトカバー１０の先端
は整流子６の窪み部分に入っている。軸受け１は焼結に
より生成されており端面の摺動部分は窪んでいる。ま
た、もう一方の第２軸受け１２の両端面はワッシャ４を
介してストッパ１１によりロータのスラストを受けてい
る。A groove 14 is provided in the shaft 3 and an oil repellent 15 is also applied. The periphery of the shaft 3 is covered with a shaft cover 10, and the cover for preventing the felt from protruding on the surface of the oil-free felt 5 is a shaft cover 10.
It is integrated with. Further, the tip end of the shaft cover 10 is in the hollow portion of the commutator 6. The bearing 1 is produced by sintering, and the sliding portion of the end face is dented. Further, both end surfaces of the other second bearing 12 receive the thrust of the rotor by the stopper 11 via the washer 4.
【００１０】[0010]
【発明の効果】以上述べた様に本発明によれば、軸受け
外周部より流出した潤滑油は無含油フェルトに吸収され
る。更に、シャフト摺動部より流出した潤滑油は軸受け
の窪みに保持される。上記の様に軸受けから流出する潤
滑油の全ては軸受け表面及び含油部材と無含油部材に吸
収されることにより外部への飛散を抑えることができ、
特に、整流子への付着による寿命の低下や異常音の発生
を防ぐことが出来る。As described above, according to the present invention, the lubricating oil flowing out from the outer peripheral portion of the bearing is absorbed by the oil-free felt. Further, the lubricating oil flowing out from the shaft sliding portion is retained in the recess of the bearing. As described above, all of the lubricating oil flowing out from the bearing is absorbed by the bearing surface, the oil-impregnated member and the oil-impregnated member, so that scattering to the outside can be suppressed,
In particular, it is possible to prevent a decrease in life due to adhesion to the commutator and generation of abnormal noise.
【図１】本発明の一実施例における車両用空気調和装置
の小型電動機の構造図FIG. 1 is a structural diagram of a small electric motor of a vehicle air conditioner according to an embodiment of the present invention.
【図２】従来の車両用空気調和装置の小型電動機の構造
図FIG. 2 is a structural diagram of a small electric motor of a conventional vehicle air conditioner.
【図３】本発明の一実施例の軸受けの断面図FIG. 3 is a sectional view of a bearing according to an embodiment of the present invention.
１ 第１軸受け ２ 含油フェルト ３ シャフト ４ ワッシャ軸受け１ ５ 無含油フェルト ６ 整流子 ７ ブラシ ８ マグネット ９ ロータ １０ シャフトカバー １１ ストッパ １２ 第２軸受け １３ 軸受け １４ 溝 １５ 撥油剤 1 1st bearing 2 oil-impregnated felt 3 shaft 4 washer bearing 1 5 oil-free felt 6 commutator 7 brush 8 magnet 9 rotor 10 shaft cover 11 stopper 12 2nd bearing 13 bearing 14 groove 15 oil repellent
Claims (5)
る第１含油軸受けとモータヨークに保持された第２含油
軸受けを有し、上記２個の含油軸受けの周囲に含油部材
を接触させた状態で設けられ、更に第１含油軸受けには
無含油部材が第１含油軸受けに接触させた状態で取り付
けられている自動車空調用ブロアモータ。1. An oil-impregnated member having a first oil-impregnated bearing held by a motor cover and opposed to a commutator and a second oil-impregnated bearing held by a motor yoke, wherein an oil-impregnated member is contacted around the two oil-impregnated bearings. A blower motor for an automobile air conditioner, which is provided in a state, and further has an oil-free member attached to the first oil-impregnated bearing in contact with the first oil-impregnated bearing.
り、前記カバーの中心部分には筒状のシャフトカバーが
取り付けられ、そのシャフトカバーは整流子の窪み部分
までシャフトを覆った状態で取り付けられている請求項
１記載の自動車空調用ブロアモータ。2. A surface of the oil-free member is covered with a cover, and a cylindrical shaft cover is attached to a central portion of the cover, and the shaft cover covers the shaft up to the recessed portion of the commutator. The blower motor for an automobile air conditioner according to claim 1, which is attached.
ストッパがシャフトに取り付けられた請求項１記載の自
動車空調用ブロアモータ。3. A blower motor for vehicle air conditioning according to claim 1, wherein a stopper is attached to the shaft so as to face both end surfaces of the second oil-impregnated bearing.
シャフトとの摺動部に窪みを設けた請求項１記載の自動
車空調用ブロアモータ。4. The blower motor for an automobile air conditioner according to claim 1, wherein a recess is provided in a sliding portion of the end face of the first oil-impregnated bearing facing the commutator with the shaft.
油材を塗布した請求項１記載の自動車空調用ブロアモー
タ。5. A blower motor for an automobile air conditioner according to claim 1, wherein an oil repellent material is applied to a shaft between the first oil-impregnated bearing and the commutator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20623293A JPH0767282A (en) | 1993-08-20 | 1993-08-20 | Blower motor for car air-conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20623293A JPH0767282A (en) | 1993-08-20 | 1993-08-20 | Blower motor for car air-conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0767282A true JPH0767282A (en) | 1995-03-10 |
Family
ID=16519951
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP20623293A Pending JPH0767282A (en) | 1993-08-20 | 1993-08-20 | Blower motor for car air-conditioner |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0767282A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10102012A1 (en) * | 2001-01-18 | 2002-08-01 | Bosch Gmbh Robert | bearings |
| DE10102014A1 (en) * | 2001-01-18 | 2002-08-14 | Bosch Gmbh Robert | anchor |
| JP2007166854A (en) * | 2005-12-16 | 2007-06-28 | Denso Corp | Electric motor |
| JP2008304016A (en) * | 2007-06-08 | 2008-12-18 | Mitsubishi Electric Corp | Electric motor |
| JP2009085355A (en) * | 2007-09-29 | 2009-04-23 | Nippon Densan Corp | Oil retaining bearing mechanism and brushless motor |
| JP2012167818A (en) * | 2012-04-18 | 2012-09-06 | Mitsubishi Electric Corp | Electric motor |
| CN104201815A (en) * | 2014-09-12 | 2014-12-10 | 湖州德盛汽车部件有限公司 | Motor device |
-
1993
- 1993-08-20 JP JP20623293A patent/JPH0767282A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10102012A1 (en) * | 2001-01-18 | 2002-08-01 | Bosch Gmbh Robert | bearings |
| DE10102014A1 (en) * | 2001-01-18 | 2002-08-14 | Bosch Gmbh Robert | anchor |
| DE10102014C2 (en) * | 2001-01-18 | 2002-12-12 | Bosch Gmbh Robert | anchor |
| JP2007166854A (en) * | 2005-12-16 | 2007-06-28 | Denso Corp | Electric motor |
| JP2008304016A (en) * | 2007-06-08 | 2008-12-18 | Mitsubishi Electric Corp | Electric motor |
| JP2009085355A (en) * | 2007-09-29 | 2009-04-23 | Nippon Densan Corp | Oil retaining bearing mechanism and brushless motor |
| JP2012167818A (en) * | 2012-04-18 | 2012-09-06 | Mitsubishi Electric Corp | Electric motor |
| CN104201815A (en) * | 2014-09-12 | 2014-12-10 | 湖州德盛汽车部件有限公司 | Motor device |
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