JPH10210701A - Bearing device - Google Patents
Bearing deviceInfo
- Publication number
- JPH10210701A JPH10210701A JP784097A JP784097A JPH10210701A JP H10210701 A JPH10210701 A JP H10210701A JP 784097 A JP784097 A JP 784097A JP 784097 A JP784097 A JP 784097A JP H10210701 A JPH10210701 A JP H10210701A
- Authority
- JP
- Japan
- Prior art keywords
- shaft
- oil
- bearing
- holding member
- bearing device
- 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)
- Support Of The Bearing (AREA)
- Motor Or Generator Frames (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、軸を回転可能に支
持する軸受を有する軸受装置に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a bearing device having a bearing for rotatably supporting a shaft.
【０００２】[0002]
【従来の技術】従来の軸受装置は例えば実開昭６０―１
７４４５３号公報に示されているような構成のものがあ
る。この軸受装置は、図８に示すように電動機の外殻１
０１に一体に形成された軸受支承部１０２に軸受１０３
が配設されている。軸受１０３の周囲にはフェルト材か
らなる含油部材１０４が軸受１０３に当接する状態に配
設されている。含油部材１０４は、軸受押えばね及び軸
受カバー並びに軸受支承部１０２によって画成された収
納部に収められ、カラー及びワッシャを装着した回転軸
１０５が軸受１０３に回転可能に挿通されている。この
軸受装置は軸受１０３に含油部材１０４から潤滑油を供
給し、軸受１０３への外部からの給油を不要としたもの
である。2. Description of the Related Art A conventional bearing device is disclosed, for example, in Japanese Utility Model Laid-Open No. 60-1.
There is a configuration as shown in Japanese Patent No. 74453. This bearing device is, as shown in FIG.
The bearing 103 is formed integrally with the bearing support 102.
Are arranged. An oil-impregnated member 104 made of a felt material is provided around the bearing 103 so as to be in contact with the bearing 103. The oil-impregnated member 104 is housed in a housing defined by a bearing presser spring, a bearing cover, and a bearing support 102, and a rotating shaft 105 equipped with a collar and a washer is rotatably inserted into the bearing 103. In this bearing device, lubricating oil is supplied to the bearing 103 from the oil impregnating member 104, and external lubrication to the bearing 103 is unnecessary.
【０００３】また、例えば実開昭６２―１４９５０号公
報に示されているような軸受装置もある。これは、図９
に示すように電動機の外殻１０１により軸受１０３が保
持され、この軸受１０３の周囲に接する状態に含油部材
１０４が設けられている。軸受１０３に挿通された回転
軸１０５の軸方向に含油部材１０４に連接して、回転軸
１０５を取り囲むようにフェルト材からなる油回収部材
１０６が設けられている。回転軸１０５にはこの油回収
部材１０６に包囲される油切りカラー１０７が装着され
ている。この軸受装置では、軸受１０３から回転軸１０
５を伝って流出した潤滑油は、油切りカラー１０７に達
し、回転軸１０５と共回りする油切りカラー１０７によ
り飛散され、周囲にある油回収部材１０６に吸着される
ことにより回収される。There is also a bearing device as disclosed in Japanese Utility Model Laid-Open No. 62-14950. This is shown in FIG.
As shown in FIG. 1, a bearing 103 is held by an outer shell 101 of an electric motor, and an oil-impregnated member 104 is provided in contact with the periphery of the bearing 103. An oil recovery member 106 made of a felt material is provided so as to be connected to the oil-containing member 104 in the axial direction of the rotary shaft 105 inserted into the bearing 103 and surround the rotary shaft 105. An oil drain collar 107 surrounded by the oil recovery member 106 is mounted on the rotating shaft 105. In this bearing device, the rotating shaft 10
The lubricating oil that has flowed out along the line 5 reaches the oil draining collar 107, is scattered by the oil draining collar 107 co-rotating with the rotating shaft 105, and is collected by being adsorbed by the oil collecting member 106 located therearound.
【０００４】[0004]
【発明が解決しようとする課題】上記のような従来の軸
受装置は、基本的には無給油で軸受機能を果たすもので
あるが、回転軸１０５を垂直方向にして機能する装置に
おいては軸潤滑の不足が生じ易いといった問題点があ
る。即ち、従来の軸受装置での潤滑油の循環経路は、回
転軸１０５が回転していることにより形成されるもので
あり、回転軸１０５が停止している状態では潤滑油の循
環経路は形成されない。回転軸１０５が停止している
と、回転軸１０５を伝って流下した潤滑油は、油切りカ
ラー１０７に溜ることになるが、粘性が高いため油切り
カラー１０７の表面に付着した状態で流動し、やがて回
転軸１０５に達して軸受装置の外に流出してしまい回収
できなくなってしまう。従って、連続的に回転軸１０５
が回転している装置では問題はないものの、間欠的に回
転軸１０５が回転する装置や、回転軸１０５が停止して
いる状態が長い場合においては、潤滑油が不足して軸受
１０３の焼付きを招いたり、流出した潤滑油で周囲が汚
れたりする。The conventional bearing device as described above basically fulfills a bearing function without lubrication. However, in a device which functions with the rotating shaft 105 in the vertical direction, shaft lubrication is not used. There is a problem that shortage tends to occur. That is, the circulation path of the lubricating oil in the conventional bearing device is formed by the rotation of the rotating shaft 105, and the circulation path of the lubricating oil is not formed when the rotating shaft 105 is stopped. . When the rotating shaft 105 is stopped, the lubricating oil flowing down along the rotating shaft 105 accumulates in the oil draining collar 107, but flows due to its high viscosity attached to the surface of the oil draining collar 107. Eventually, it reaches the rotating shaft 105 and flows out of the bearing device and cannot be collected. Therefore, the rotating shaft 105 is continuously
Although there is no problem in a device where the rotating shaft is rotating, in a device where the rotating shaft 105 rotates intermittently or when the rotating shaft 105 is stopped for a long time, the lubricating oil is insufficient and the bearing 103 is seized. Or the surroundings become dirty with the spilled lubricating oil.
【０００５】また、塵埃等が回転軸１０５に付着して潤
滑油の循環が阻まれてしまうこともある。特に上述した
従来の軸受装置のように含油部材１０４及び油回収部材
１０６がフェルト材により構成されていると、フェルト
材から繊維屑が出やすく、この繊維屑が他の塵埃ととも
に回転軸１０５側に付着して軸受１０３から出た潤滑油
が油回収部材１０６側へ飛散することを妨害するような
ことも起り易い。[0005] In addition, dust and the like may adhere to the rotating shaft 105 and block the circulation of lubricating oil. In particular, when the oil-impregnated member 104 and the oil recovery member 106 are made of a felt material as in the above-described conventional bearing device, fiber waste is likely to come out of the felt material, and the fiber waste is transferred to the rotating shaft 105 together with other dust. It is easy for the lubricating oil that adheres and comes out of the bearing 103 to scatter to the oil recovery member 106 side.
【０００６】本発明は、上記した従来の問題点を解消す
るためになされたもので、その課題とするところは、軸
の停止や回転に拘らず潤滑油の外部への流出を防止する
ことができる軸受装置を得ることであり、その軸受装置
の組付性を向上させることであり、構成が簡素でコスト
の低減を実現できる軸受装置を得ることであり、繊維屑
等の付着による潤滑油の循環妨害が起き難い軸受装置を
得ることである。SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned conventional problems. An object of the present invention is to prevent the lubricating oil from flowing out of the shaft regardless of whether the shaft is stopped or rotated. The purpose of the present invention is to obtain a bearing device capable of improving the assemblability of the bearing device, to obtain a bearing device that has a simple structure and to reduce the cost, and to reduce the lubricating oil due to the adhesion of fiber waste and the like. An object of the present invention is to obtain a bearing device in which circulation disturbance is unlikely to occur.
【０００７】[0007]
【課題を解決するための手段】前記課題を達成するため
に請求項１の発明は、回転する軸を回転可能に保持する
含油素材により構成した軸受を、当該部分の軸とともに
包囲する保持部材により所定の箇所に保持させ、この保
持部材には軸を挿通する部分に軸に近接し、軸受側に向
う立上りを持つ受け部を設け、この保持部材内には軸受
に当接し、この軸受の周囲を囲む潤滑油を含ませた潤滑
部材を設け、この潤滑部材には保持部材内における受け
部側に位置する軸の周囲を隙間をもって囲む油回収部を
連設し、この油回収部に臨む軸上には隙間において軸と
共回りし、油回収部に外周端が近接し軸に対して受け部
の立上りより大きく半径方向に張出す油切り部材を設
け、この油切り部材にはその外周部に軸方向に突出する
突出部を設ける手段を採用する。According to a first aspect of the present invention, a bearing made of an oil-containing material for rotatably holding a rotating shaft is provided by a holding member that surrounds the bearing together with the shaft of the portion. The holding member is provided with a receiving portion which is close to the shaft at a portion where the shaft is inserted, and has a rising portion facing the bearing side. A lubricating member containing lubricating oil surrounding the oil collecting portion is provided. The lubricating member is provided with an oil collecting portion continuously surrounding a shaft located on the receiving portion side in the holding member with a gap, and a shaft facing the oil collecting portion. At the top, there is provided an oil drainage member that rotates coaxially with the shaft in the gap, the outer peripheral end of which is close to the oil recovery portion, and protrudes radially more than the rising of the receiving portion with respect to the shaft. Means for providing a projection projecting in the axial direction on the vehicle Adopted to.
【０００８】前記課題を達成するために請求項２の発明
は、回転する軸を回転可能に保持する含油素材により構
成した軸受を、当該部分の軸とともに包囲する保持部材
により所定の箇所に保持させ、この保持部材には軸を挿
通する部分に軸に近接し、軸受側に向う立上りを持つ受
け部を設け、この保持部材の内側には軸受に当接し、こ
の軸受の周囲を囲む潤滑油を含ませた潤滑部材を設け、
この潤滑部材には保持部材の内部における受け部側に位
置する軸の周囲を隙間をもって囲む多孔質の樹脂による
油回収部を連設し、この油回収部に臨む軸上には隙間に
おいて軸と共回りし、油回収部に外周端が近接し軸に対
して受け部の立上りより大きく半径方向に張出す油切り
部材を設け、この油切り部材にはその外周部に軸方向に
突出する突出部を設ける手段を採用する。According to another aspect of the present invention, a bearing made of an oil-impregnated material for rotatably holding a rotating shaft is held at a predetermined position by a holding member surrounding the shaft together with the shaft. The holding member is provided with a receiving portion which is close to the shaft at a portion where the shaft is inserted and has a rising portion facing the bearing, and a lubricating oil which abuts the bearing inside the holding member and surrounds the periphery of the bearing. Provide the lubricating member that was included,
The lubricating member is provided with an oil recovery portion made of a porous resin that surrounds the periphery of the shaft located on the receiving portion side inside the holding member with a gap, and the shaft facing the oil recovery portion is provided with the shaft in the gap. An oil draining member is provided, which rotates coaxially, has an outer peripheral end close to the oil collecting portion, and projects radially more than the rising of the receiving portion with respect to the shaft. A means for providing a part is employed.
【０００９】前記課題を達成するために請求項３の発明
は、回転する軸を回転可能に保持する含油素材により構
成した軸受を、当該部分の軸とともに包囲する保持部材
により所定の箇所に保持させ、この保持部材の内側には
軸受に当接し、この軸受の周囲を囲む潤滑油を含ませた
潤滑部材を設け、この潤滑部材には保持部材の内部にお
ける軸受に近接する軸の周囲を隙間をもって囲む多孔質
の樹脂による油回収部を当該部の保持部材と一体成形に
より形成して連設する手段を採用する。In order to achieve the above object, a third aspect of the present invention is to allow a bearing made of an oil-impregnated material that rotatably holds a rotating shaft to be held at a predetermined location by a holding member that surrounds the shaft together with the shaft. A lubricating member is provided inside the holding member, which abuts on the bearing and contains a lubricating oil surrounding the periphery of the bearing. The lubricating member has a gap around a shaft close to the bearing inside the holding member. Means for integrally forming the surrounding oil recovery portion made of porous resin with the holding member of the relevant portion and adopting a means for continuous connection is adopted.
【００１０】前記課題を達成するために請求項４の発明
は、回転する軸を回転可能に保持する含油素材により構
成した軸受を、当該部分の軸とともに包囲する保持部材
により所定の箇所に保持させ、この保持部材の内側には
軸受に当接し、この軸受の周囲を囲む潤滑油を含ませた
多孔質の樹脂よりなる潤滑部材を設け、この潤滑部材に
は軸受に近接する軸の周囲を隙間をもって囲む多孔質の
樹脂による油回収部を連設する手段を採用する。According to a fourth aspect of the present invention, a bearing made of an oil-impregnated material for rotatably holding a rotating shaft is held at a predetermined position by a holding member surrounding the shaft together with the shaft. A lubricating member made of porous resin containing lubricating oil that abuts the bearing and surrounds the periphery of the bearing is provided on the inner side of the holding member. Means for connecting an oil recovery section made of a porous resin surrounded by.
【００１１】前記課題を達成するために請求項５の発明
は、請求項１に係る前記手段における保持部材を、軸受
側と油回収部側との分割構成にするとともに、油回収部
側の保持部材の軸受側の保持部材に向き合わせる取付側
に外方へ張り出すフランジを設け、このフランジの外周
部にカシメ用の爪を逃がす凹部を設ける手段を採用す
る。According to a fifth aspect of the present invention, in order to achieve the above object, the holding member in the means according to the first aspect is divided into a bearing side and an oil recovery unit side, and the holding member on the oil recovery unit side is held. A means for providing a flange extending outward on the mounting side facing the holding member on the bearing side of the member, and providing a concave portion on the outer peripheral portion of the flange for releasing a claw for caulking is adopted.
【００１２】前記課題を達成するために請求項６の発明
は、請求項１又は請求項２に係る前記手段における油切
り部材の軸を挿通する部分を、他の部分より厚肉の円環
状のボス部として構成する手段を採用する。According to a sixth aspect of the present invention, in the above-mentioned means, the portion of the means according to the first or second aspect, through which the shaft of the oil draining member is inserted, has an annular shape thicker than the other portions. A means configured as a boss is employed.
【００１３】前記課題を達成するために請求項７の発明
は、請求項１又は請求項２又は請求項６に係る前記手段
における油切り部材の軸方向の両面を、対称な一体形状
とする手段を採用する。According to a seventh aspect of the present invention, in order to achieve the above object, there is provided the means according to the first or second or sixth aspect, wherein both surfaces in the axial direction of the oil draining member are symmetrically integrated. Is adopted.
【００１４】前記課題を達成するために請求項８の発明
は、請求項１又は請求項２又は請求項６に係る前記手段
における油切り部材の軸方向の面に交互に突出部を設け
る手段を採用する。In order to achieve the above-mentioned object, the invention according to claim 8 includes a means for alternately providing a projecting portion on an axial surface of the oil draining member in the means according to claim 1 or 2 or 6. adopt.
【００１５】前記課題を達成するために請求項９の発明
は、請求項１又は請求項２又は請求項６又は請求項７又
は請求項８に係る前記手段における油切り部材の突出部
の軸方向端部を、突出端として先端を尖らせる手段を採
用する。According to a ninth aspect of the present invention, in order to achieve the above object, an axial direction of a protrusion of an oil draining member in the means according to the first or second or sixth or seventh or eighth aspect is provided. Means for sharpening the tip with the end as a protruding end is employed.
【００１６】前記課題を達成するために請求項１０の発
明は、請求項１又は請求項２又は請求項６又は請求項７
又は請求項８又は請求項９に係る前記手段における油切
り部材の突出部の軸側の面を油回収部に向かう斜面に構
成する手段を採用する。[0016] In order to achieve the above object, the invention of claim 10 provides the invention of claim 1 or claim 2 or claim 6 or claim 7.
Alternatively, a means is employed in which the surface on the shaft side of the protrusion of the oil draining member in the means according to claim 8 or 9 is a slope facing the oil recovery unit.
【００１７】前記課題を達成するために請求項１１の発
明は、請求項１又は請求項６又は請求項７又は請求項８
又は請求項９に係る前記手段における油回収部を、小径
の柱状体に形成した含油部材を周方向に並べて構成する
手段を採用する。In order to achieve the above object, an invention according to claim 11 provides claim 1 or claim 6 or claim 7 or claim 8.
Alternatively, the oil recovery section in the means according to the ninth aspect employs means configured by arranging in a circumferential direction oil-impregnated members formed in a small-diameter columnar body.
【００１８】[0018]
【発明の実施の形態】次に本発明の実施の形態を図面に
基づいて説明する。 実施の形態１．図１〜図３により示すこの実施の形態１
は、電動機に適用した軸受装置である。電動機の回転軸
１は軸受２により回転可能に支持されている。この軸受
２は、焼結金属等の多孔質の含油素材により構成され、
筐体状の保持部材３内に内装され、保持部材３を介して
電動機の外殻４に保持されている。保持部材３は上部側
の軸受側部分５と下部側の軸回り部分６とに分割されて
いる。軸受側部分５は上プレート７及びフレーム８並び
にこれらを外側から囲むブラケット９により構成され、
ブラケット９において電動機の外殻４の一面にカシメ付
けられている。Embodiments of the present invention will now be described with reference to the drawings. Embodiment 1 FIG. Embodiment 1 shown in FIGS. 1 to 3
Is a bearing device applied to an electric motor. The rotating shaft 1 of the electric motor is rotatably supported by a bearing 2. The bearing 2 is made of a porous oil-containing material such as a sintered metal.
It is housed inside a housing-like holding member 3 and is held by an outer shell 4 of the electric motor via the holding member 3. The holding member 3 is divided into an upper bearing portion 5 and a lower shaft portion 6. The bearing-side portion 5 is constituted by an upper plate 7 and a frame 8 and a bracket 9 surrounding these from outside,
The bracket 9 is caulked to one surface of the outer shell 4 of the electric motor.
【００１９】軸回り部分６は、図２に示すようにカップ
状の容器体として構成され、軸受側部分５に対向させる
取付側には外方へ突き出すフランジ１０を備えている。
このフランジ１０にはその外周に、電動機の外殻４に形
成したカシメ用の爪を逃がす凹部１１が爪に対応する位
置に複数個形成されている。この凹部１１によりカシメ
用の爪を曲げた状態での挿入が可能である。また、軸回
り部分６の底部は受け部１２として構成され、その中央
には回転軸１を挿通する回転軸１の外径より少し大きい
内径の軸挿通孔が設けられている。この軸挿通孔の口縁
には回転軸１に近接し、軸受２側に向う立上り１３が内
向きに形成されている。この軸回り部分６も取付側のフ
ランジ１０を介して電動機の外殻４に軸受側部分５に対
向してカシメ付けられている。As shown in FIG. 2, the portion 6 around the shaft is formed as a cup-shaped container body, and has a flange 10 protruding outward on the mounting side facing the bearing-side portion 5.
A plurality of recesses 11 are formed on the outer periphery of the flange 10 at the positions corresponding to the claws for releasing the crimping claws formed on the outer shell 4 of the electric motor. The concave portion 11 enables insertion in a state where the caulking claw is bent. Further, the bottom of the portion 6 around the shaft is formed as a receiving portion 12, and a shaft insertion hole having an inner diameter slightly larger than the outer diameter of the rotating shaft 1 through which the rotating shaft 1 is inserted is provided at the center thereof. At the edge of the shaft insertion hole, a rising 13 that is close to the rotating shaft 1 and that faces the bearing 2 is formed inward. The portion 6 around the shaft is also caulked to the outer shell 4 of the electric motor via the flange 10 on the mounting side so as to face the bearing-side portion 5.
【００２０】保持部材３の軸受側部分５の上プレート７
とフレーム８とブラケット９により画成された空所に
は、円環状のフェルト材に潤滑油を含ませた潤滑部材１
４が内装されている。この潤滑部材１４は、軸受２の外
周にその内周が当接している。また、保持部材３の軸回
り部分６の内部には、当該部の回転軸１の周囲を隙間を
もって囲む油回収部１５が内装されている。この油回収
部１５は、焼結樹脂により円筒形に形成され、その一端
側に形成された複数個の突部がフレーム８に開けられた
複数個の孔から潤滑部材１４側に突入して潤滑部材１４
に当接するように連設されている。油回収部１５を構成
する焼結樹脂は、焼結金属と同様の仕方で製造されるも
のである。即ち、粒状樹脂を加熱下で圧縮し、成形する
ことにより製造され、細かな小孔の分布した多孔質組成
をしており、この多孔質組成に潤滑油が含蓄される。Upper plate 7 of bearing-side portion 5 of holding member 3
The space defined by the frame 8 and the bracket 9 has a lubricating member 1 made of an annular felt material containing lubricating oil.
4 are furnished. The lubricating member 14 has an inner periphery in contact with the outer periphery of the bearing 2. In addition, an oil recovery unit 15 that surrounds the rotation shaft 1 of the holding member 3 around the shaft 1 with a gap is provided inside the portion 6 around the shaft. The oil recovery section 15 is formed of a sintered resin into a cylindrical shape, and a plurality of protrusions formed at one end thereof protrude from a plurality of holes formed in the frame 8 toward the lubrication member 14 to lubricate the oil. Member 14
It is connected so that it may contact. The sintered resin constituting the oil recovery section 15 is manufactured in the same manner as the sintered metal. That is, it is produced by compressing and molding the granular resin under heating, and has a porous composition in which fine pores are distributed, and the porous composition contains lubricating oil.
【００２１】軸回り部分６内の油回収部１５の内周面に
臨む回転軸１には、軸挿通孔寄りの回転軸１と油回収部
１５との隙間において回転軸１と共回りするゴム等によ
りなる円盤状の油切り部材１６が回転軸１との間での液
密を保持して装着されている。この油切り部材１６は図
３に示すように、油回収部１５に外周端が近接し、回転
軸１に対して軸回り部分６の受け部１２の立上り１３よ
り大きく半径方向に張出している。油切り部材１６の回
転軸１を挿通する部分は、他の部分より厚肉の円環状の
ボス部１７として段差をもって構成されている。これに
より回転軸１に対する接触幅が保持でき、回転軸１への
装着が容易になるばかりでなく、回転軸１との間の液密
も維持し易くなる。The rotary shaft 1 facing the inner peripheral surface of the oil recovery portion 15 in the shaft rotation portion 6 has a rubber that rotates together with the rotary shaft 1 in a gap between the rotary shaft 1 near the shaft insertion hole and the oil recovery portion 15. A disk-shaped oil draining member 16 made of, for example, is mounted while maintaining liquid tightness with the rotating shaft 1. As shown in FIG. 3, the outer peripheral end of the oil draining member 16 is close to the oil recovery unit 15, and the oil draining member 16 protrudes from the rotary shaft 1 in the radial direction to be larger than the rising 13 of the receiving portion 12 of the shaft part 6. The portion of the oil draining member 16 through which the rotating shaft 1 is inserted is formed as a ring-shaped boss portion 17 having a greater thickness than other portions with a step. As a result, the contact width with respect to the rotating shaft 1 can be maintained, and not only mounting on the rotating shaft 1 is facilitated, but also liquid-tightness with the rotating shaft 1 can be easily maintained.
【００２２】油切り部材１６の外周部には、軸方向に突
出する突出部１８が一体に設けられている。この突出部
１８は、断面形状が略直角三角形状に形成され、油切り
部材１６の全周にわたる両面にその斜面１９が回転軸１
側に向く形態に対称に設けられている。即ち、突出部１
８の軸方向の端部である突出端は斜面１９に続いて尖っ
ており、保持部材３の軸挿通孔より半径方向における外
側に位置している。なお、図１における符号２０は軸受
２の上部側に設けられた油切り機能を果たす円環状のカ
ラーであり、２１はスラストワッシャである。An outer peripheral portion of the oil draining member 16 is integrally provided with a protruding portion 18 which protrudes in the axial direction. The projecting portion 18 is formed in a substantially right-angled triangular cross section, and the inclined surface 19 is provided on both surfaces of the oil draining member 16 over the entire circumference thereof.
It is provided symmetrically in a form facing the side. That is, the protrusion 1
The protruding end, which is the axial end of 8, is continuous with the slope 19 and is located outside the shaft insertion hole of the holding member 3 in the radial direction. Reference numeral 20 in FIG. 1 is an annular collar provided on the upper side of the bearing 2 and performing an oil draining function, and 21 is a thrust washer.
【００２３】この実施の形態１の軸受装置においては、
回転軸１を垂直方向にして電動機を機能させる場合に、
電動機の運転停止に拘らず潤滑油の循環経路を形成する
ことができる。即ち、回転軸１が回転している状態で
は、軸受２から回転軸１を伝って流下する潤滑油はやが
て油切り部材１６に達し、回転している油切り部材１６
の遠心力を受けてその上面を外周方向に移動し、突出部
１８の斜面１９により斜め上方に移動してゆき、尖った
突出端から油回収部１５に向って吹き飛ばされ、油回収
部１５に吸着される。油回収部１５に吸着された潤滑油
は、毛管現象により接触している潤滑部材１４に移動
し、潤滑油は循環される。この場合、突出部１８の斜面
１９により潤滑部材１４に近い部分の油回収部１５に向
って潤滑油が飛ばされるので、潤滑油の潤滑部材１４に
至る経路が短縮され、速やかな循環が行なわれる。In the bearing device according to the first embodiment,
When the motor is operated with the rotating shaft 1 in the vertical direction,
A lubricating oil circulation path can be formed regardless of the stoppage of the operation of the motor. In other words, when the rotating shaft 1 is rotating, the lubricating oil flowing down from the bearing 2 along the rotating shaft 1 reaches the oil draining member 16 soon, and the rotating oil draining member 16 is rotated.
Due to the centrifugal force, the upper surface moves in the outer circumferential direction, moves obliquely upward by the slope 19 of the projecting portion 18, is blown off from the sharp projecting end toward the oil collecting portion 15, and is moved to the oil collecting portion 15. Adsorbed. The lubricating oil adsorbed by the oil recovery unit 15 moves to the lubricating member 14 which is in contact by capillary action, and the lubricating oil is circulated. In this case, since the lubricating oil is blown toward the oil collecting portion 15 in a portion near the lubricating member 14 by the slope 19 of the protruding portion 18, the path of the lubricating oil to the lubricating member 14 is shortened, and rapid circulation is performed. .
【００２４】回転軸１が停止している状態では、軸受２
から回転軸１を伝って流下した潤滑油は、油切り部材１
６に達し上面に溜ることになる。突出部１８を越えるま
でに回転軸１が回転すれば、上述したような経路で溜っ
た潤滑油は回収されるが、突出部１８を越えるまで回転
軸１が回転されない場合には、潤滑油は上面側の突出部
１８を越え外周縁を伝って流下し、下面側の突出部１８
の突出端に到達する。突出部１８が無いと粘性が高い潤
滑油は、油切り部材１６の下面を伝い、やがて回転軸１
に到達することになるが、突出部１８があるため、突出
部１８の尖った突出端において粘着力に勝る重力の作用
を受け、突出端から滴下する。滴下した潤滑油は保持部
材３の軸回り部分６の受け部１２に受容され、立上り１
３により外部への流出が阻まれるため、油回収部１５に
吸着されて毛管現象により潤滑部材１４へ戻され、循環
する。When the rotating shaft 1 is stopped, the bearing 2
The lubricating oil that has flowed down the rotary shaft 1 from the
It reaches 6 and accumulates on the upper surface. If the rotating shaft 1 rotates before the protrusion 18 is reached, the lubricating oil accumulated in the above-described path is recovered. However, if the rotating shaft 1 is not rotated until the protrusion 18 is exceeded, the lubricating oil is removed. It flows down along the outer peripheral edge beyond the projecting portion 18 on the upper surface side, and flows down the projecting portion 18 on the lower surface side.
To reach the protruding end. Without the protruding portion 18, the lubricating oil having a high viscosity runs down the lower surface of the oil draining member 16, and eventually the rotating shaft 1.
However, because of the protruding portion 18, the sharp protruding end of the protruding portion 18 is subjected to the action of gravity exceeding the adhesive force, and drops from the protruding end. The dropped lubricating oil is received by the receiving portion 12 of the portion 6 around the axis of the holding member 3 and
Since the outflow is prevented by 3, the oil is adsorbed by the oil recovery unit 15, returned to the lubricating member 14 by capillary action, and circulated.
【００２５】このようにこの実施の形態１の軸受装置で
は回転軸１が停止していても潤滑油の循環経路が確保さ
れ、潤滑油が外部へ流出しないため、外部から潤滑油を
補給する必要もなく、より寿命を延ばすことができる。
潤滑油の外部への流出がないので、天井等に設けられる
換気装置等の機器の電動機に対する軸受装置として好適
である。また、潤滑部材１４のみがフェルト材により構
成されているので、潤滑油の循環を妨害する要因になり
やすい繊維屑が出ることも少ない。但し、潤滑油の循環
経路に関する観点からは、油回収部１５をフェルト材に
より構成しても問題はなく、潤滑油の循環機能は焼結樹
脂によるものとなんら変らない。As described above, in the bearing device of the first embodiment, a circulation path of the lubricating oil is ensured even when the rotating shaft 1 is stopped, and the lubricating oil does not flow out. Therefore, it is necessary to supply the lubricating oil from the outside. No longer, the service life can be extended.
Since the lubricating oil does not flow out, it is suitable as a bearing device for a motor of a device such as a ventilation device provided on a ceiling or the like. In addition, since only the lubricating member 14 is made of a felt material, there is little occurrence of fiber waste which tends to hinder the circulation of the lubricating oil. However, from the viewpoint of the lubricating oil circulation path, there is no problem even if the oil recovery unit 15 is made of a felt material, and the lubricating oil circulation function is not different from that of the sintered resin.
【００２６】油切り部材１６の突出部１８は下面側にだ
け設けても、回転軸１の停止状態での潤滑油の循環経路
は形成できるが、両面に対称に設けることにより組付時
に取付方向の制約がなくなり、組立性がよくなる。組立
性の点では、軸回り部分６のフランジ１０に凹部１１が
形成してあるので、外殻４のカシメ用の爪を曲げた状態
で挿入し、回し込んで軸回り部分６を仮固定できるの
で、軸受側部分５と軸回り部分６の同士カシメも可能に
なり、機械による自動組立も実施することができる。The lubricating oil circulation path when the rotary shaft 1 is stopped can be formed by providing the protrusion 18 of the oil draining member 16 only on the lower surface side. Is eliminated, and assemblability is improved. In terms of assemblability, since the concave portion 11 is formed in the flange 10 of the shaft portion 6, the caulking claw of the outer shell 4 can be inserted in a bent state and turned around to temporarily fix the shaft portion 6. Therefore, the bearing-side portion 5 and the shaft-side portion 6 can be caulked with each other, and automatic assembly by a machine can be performed.
【００２７】実施の形態２．この実施の形態２は、図４
に示すように上述の実施の形態１で示した軸受装置の油
切り部材１６に関するものである。従って、実施の形態
１のものと同じ部分については実施の形態１のものと同
じ符号を用いそれらについての説明は省略する。Embodiment 2 FIG. In the second embodiment, FIG.
The present invention relates to the oil draining member 16 of the bearing device shown in the first embodiment as shown in FIG. Therefore, the same portions as those of the first embodiment are denoted by the same reference numerals as those of the first embodiment, and description thereof will be omitted.
【００２８】この実施の形態２の軸受装置の油切り部材
１６は、図４に示すように油切り部材１６の軸方向の面
に交互に突出部１８を設けたものである。これ以外の構
成は実施の形態１のものと同じである。この突出部１８
の構成により、油切り部材１６の上面が凹部とならず外
周端まで平面となる部分ができるので、潤滑油が上面に
溜り滞ることがなくなり、ゴムによる油切り部材１６の
劣化を防ぐことができ、長寿命化を推進できる。これ以
外の機能及び利点は実施の形態１のものと同じである。The oil draining member 16 of the bearing device of the second embodiment has protrusions 18 provided alternately on the axial surface of the oil draining member 16 as shown in FIG. The other configuration is the same as that of the first embodiment. This projection 18
With the configuration described above, the upper surface of the oil draining member 16 is not concave but has a portion that is flat to the outer peripheral end, so that the lubricating oil does not accumulate on the upper surface, and the oil draining member 16 can be prevented from being deteriorated by rubber. , It can promote longer life. Other functions and advantages are the same as those of the first embodiment.
【００２９】実施の形態３．この実施の形態３は、図５
に示すように上述の実施の形態１で示した軸受装置の油
回収部１５に関するものである。従って、実施の形態１
のものと同じ部分については実施の形態１のものと同じ
符号を用いそれらについての説明は省略する。Embodiment 3 This third embodiment is similar to that of FIG.
The present invention relates to the oil recovery unit 15 of the bearing device shown in the first embodiment as shown in FIG. Therefore, Embodiment 1
The same reference numerals as those of the first embodiment denote the same parts as in the first embodiment, and a description thereof will be omitted.
【００３０】この実施の形態３の軸受装置の油回収部１
５は、図５に示すような小径の円柱状に形成された含油
部材２２（フェルト材でも焼結樹脂でもよい）を回転軸
１と平行に軸回り部分６の内壁に沿って並べて、それら
の一端を潤滑部材１４に接触させて構成したものであ
る。これにより、油回収部１５の構成が簡素になり、含
油部材２２を並べるだけで油回収部１５が構成できるた
め、組立が簡単になりコストも低減できる。これ以外の
機能及び利点は実施の形態１のものと同じである。な
お、この油回収部１５の構成は実施の形態２のものにも
同様にして適用することができる。The oil recovery unit 1 of the bearing device according to the third embodiment
5, an oil-impregnated member 22 (which may be a felt material or a sintered resin) formed in a small-diameter cylindrical shape as shown in FIG. 5 is arranged along the inner wall of the portion 6 around the axis in parallel with the rotating shaft 1; One end is brought into contact with the lubricating member 14. Accordingly, the configuration of the oil recovery unit 15 is simplified, and the oil recovery unit 15 can be configured simply by arranging the oil-containing members 22. Therefore, the assembly is simplified and the cost can be reduced. Other functions and advantages are the same as those of the first embodiment. Note that the configuration of the oil recovery unit 15 can be similarly applied to the second embodiment.
【００３１】実施の形態４．この実施の形態４は、図６
に示すように上述の実施の形態１で示した軸受装置の油
回収部１５に関するものである。従って、実施の形態１
のものと同じ部分については実施の形態１のものと同じ
符号を用いそれらについての説明は省略する。Embodiment 4 FIG. This fourth embodiment is similar to that of FIG.
The present invention relates to the oil recovery unit 15 of the bearing device shown in the first embodiment as shown in FIG. Therefore, Embodiment 1
The same reference numerals as those of the first embodiment denote the same parts as those of the first embodiment, and a description thereof will be omitted.
【００３２】この実施の形態４の軸受装置は、実施の形
態１で示した油回収部１５を保持部材３の軸回り部分６
の内側に一体成形により形成したものである。即ち、焼
結樹脂の成形時に外表部の温度を内部より高く維持し、
内部は多孔質組成の油回収部１５とし、外殻は溶融させ
無孔質の軸回り部分６として成形したものである。この
構成により軽量化と部品点数の削減並びに組立の作業工
程の簡略化が可能になりコストダウンを推進できる。そ
して、フェルト材による潤滑油の循環を阻む原因になる
繊維屑もでにくくなる。なお、この実施の形態４で示し
た構成は、潤滑油の循環経路に係る油切り部材１６に関
する技術とは別の技術であり、これだけを軸受装置に実
施してもその効果は大きいものである。In the bearing device according to the fourth embodiment, the oil recovery portion 15 shown in the first embodiment is
Is formed by integral molding inside the inside. That is, when molding the sintered resin, the temperature of the outer surface is maintained higher than that of the inside,
The inside is an oil recovery section 15 having a porous composition, and the outer shell is melted and formed as a nonporous portion 6 around an axis. This configuration makes it possible to reduce the weight, reduce the number of parts, and simplify the assembling work process, thereby promoting cost reduction. In addition, the amount of fiber waste that may hinder the circulation of the lubricating oil by the felt material is reduced. The configuration shown in the fourth embodiment is a technology different from the technology relating to the oil draining member 16 relating to the lubricating oil circulation path, and the effect is great even if only this is applied to the bearing device. .
【００３３】実施の形態５．この実施の形態５は、図７
に示すように上述の実施の形態４で示した軸受装置の潤
滑部材１４に関するものである。従って、実施の形態４
のものと同じ部分については実施の形態４のものと同じ
符号を用いそれらについての説明は省略する。Embodiment 5 FIG. The fifth embodiment is different from the one shown in FIG.
The present invention relates to the lubricating member 14 of the bearing device shown in the fourth embodiment as shown in FIG. Therefore, Embodiment 4
The same reference numerals as in the fourth embodiment denote the same parts as in the fourth embodiment, and a description thereof will be omitted.
【００３４】この実施の形態５の軸受装置は、実施の形
態４で示した保持部材３の軸回り部分６と一体の油回収
部１５と同じように、軸受２の回りに設けられる潤滑部
材１４についても焼結樹脂の多孔質部材により形成した
ものである。これ以外の構成は実施の形態４のものと同
じである。この構成により部品点数の削減と組立性の改
善が推進でき、フェルト材による潤滑油の循環を阻む原
因になる繊維屑が出なくなる。The bearing device according to the fifth embodiment has a lubricating member 14 provided around the bearing 2 in the same manner as the oil recovery portion 15 integral with the shaft portion 6 of the holding member 3 shown in the fourth embodiment. Is also formed by a porous member of a sintered resin. The other configuration is the same as that of the fourth embodiment. With this configuration, reduction in the number of parts and improvement in assemblability can be promoted, and fiber debris that prevents circulation of lubricating oil by the felt material does not appear.
【００３５】[0035]
【発明の効果】以上、実施の形態での説明からも明らか
なように、請求項１の発明によれば軸の停止や回転に拘
らず潤滑油の外部への流出を防止することができる軸受
装置が得られる。As is apparent from the above description of the embodiment, according to the first aspect of the present invention, it is possible to prevent the lubricating oil from flowing out to the outside regardless of the stop or rotation of the shaft. A device is obtained.
【００３６】請求項２の発明によれば、軸の停止や回転
に拘らず潤滑油の外部への流出を防止することができる
軸受装置が得られるうえ、繊維屑等の付着による潤滑油
の循環妨害が起き難くくなる。According to the second aspect of the present invention, it is possible to obtain a bearing device capable of preventing the lubricating oil from flowing out to the outside irrespective of the stop or rotation of the shaft. Interference is less likely to occur.
【００３７】請求項３の発明によれば、繊維屑等の付着
による潤滑油の循環妨害が起き難くく、部品点数の少な
い組立性のよい軸受装置が得られる。According to the third aspect of the present invention, it is possible to obtain a bearing device which is less likely to obstruct the circulation of the lubricating oil due to the attachment of fiber dust and the like, and has a small number of parts and good assemblability.
【００３８】請求項４の発明によれば、繊維屑等の付着
による潤滑油の循環妨害が起き難くい軸受装置が得られ
る。According to the fourth aspect of the present invention, it is possible to obtain a bearing device in which the circulation of the lubricating oil is less likely to be hindered by the attachment of fiber waste and the like.
【００３９】請求項５の発明によれば、請求項１に係る
前記効果とともに、保持部材の組立が容易になり自動組
立も可能になる。According to the fifth aspect of the present invention, in addition to the effect according to the first aspect, assembling of the holding member is facilitated and automatic assembling becomes possible.
【００４０】請求項６の発明によれば、請求項１又は請
求項２に係る前記効果とともに油切り部材の装着が容易
になり、軸挿通箇所の液密もしっかり保持できる。According to the sixth aspect of the present invention, the oil drain member can be easily mounted together with the effect according to the first or second aspect, and the fluid tightness of the shaft insertion portion can be maintained firmly.
【００４１】請求項７の発明によれば、請求項１又は請
求項２又は請求項６に係る前記効果とともに、油切り部
材の軸に対する組立が簡単になる。According to the seventh aspect of the present invention, in addition to the effects according to the first, second, or sixth aspect, the assembly of the oil draining member to the shaft is simplified.
【００４２】請求項８の発明によれば、請求項１又は請
求項２又は請求項６に係る前記効果とともに、油切り部
材の潤滑油による劣化を防ぐことができる。According to the eighth aspect of the present invention, it is possible to prevent the oil draining member from being deteriorated by the lubricating oil, in addition to the effect according to the first, second, or sixth aspect.
【００４３】請求項９の発明によれば、請求項１又は請
求項２又は請求項６又は請求項７又は請求項８に係る前
記効果とともに、潤滑油の油切り部材からの油切れが向
上する。According to the ninth aspect of the present invention, in addition to the effect according to the first or second aspect, the sixth aspect, or the seventh or eighth aspect, drainage of lubricating oil from the oil drainage member is improved. .
【００４４】請求項１０の発明によれば、請求項１又は
請求項２又は請求項６又は請求項７又は請求項８又は請
求項９に係る前記効果とともに、軸回転時の潤滑油の循
環が円滑になる。According to the tenth aspect, in addition to the effect according to the first, second, sixth, seventh, eighth, or ninth aspects, the circulation of the lubricating oil during the rotation of the shaft is achieved. Become smooth.
【００４５】請求項１１の発明によれば、請求項１又は
請求項６又は請求項７又は請求項８又は請求項９に係る
前記効果とともに、油回収部の組立性が向上する。According to the eleventh aspect, in addition to the effects according to the first, sixth, seventh, eighth, or ninth aspects, assemblability of the oil recovery unit is improved.
【図１】 実施の形態１の軸受装置を示す縦断側面図で
ある。FIG. 1 is a longitudinal sectional side view showing a bearing device according to a first embodiment.
【図２】 実施の形態１の軸受装置の保持部材の軸回り
部分を示す斜視図である。FIG. 2 is a perspective view showing a portion around a shaft of a holding member of the bearing device according to the first embodiment.
【図３】 実施の形態１の油切り部材を拡大して示す斜
視図である。FIG. 3 is an enlarged perspective view showing an oil draining member according to the first embodiment.
【図４】 実施の形態２の軸受装置の油切り部材を拡大
して示す斜視図である。FIG. 4 is an enlarged perspective view showing an oil draining member of the bearing device according to the second embodiment.
【図５】 実施の形態３の軸受装置の油回収部の構成部
品の斜視図である。FIG. 5 is a perspective view of components of an oil recovery unit of the bearing device according to the third embodiment.
【図６】 実施の形態４の軸受装置を示す縦断側面図で
ある。FIG. 6 is a longitudinal sectional side view showing a bearing device according to a fourth embodiment.
【図７】 実施の形態５の軸受装置を示す縦断側面図で
ある。FIG. 7 is a longitudinal sectional side view showing a bearing device according to a fifth embodiment.
【図８】 従来の軸受装置を示す縦断側面図である。FIG. 8 is a longitudinal sectional side view showing a conventional bearing device.
【図９】 従来の他の軸受装置を示す縦断側面図であ
る。FIG. 9 is a longitudinal sectional side view showing another conventional bearing device.
１ 回転軸、 ２ 軸受、 ３ 保持部材、 ５ 軸受
側部分、 ６ 軸回り部分、 １０ フランジ、 １１
凹部、 １２ 受け部、 １３ 立上り、１４ 潤滑
部材、 １５ 油回収部、 １６ 油切り部材、 １７
ボス部、１８ 突出部、 １９ 斜面、 ２２ 含油
部材。DESCRIPTION OF REFERENCE NUMERALS 1 rotating shaft, 2 bearing, 3 holding member, 5 bearing side portion, 6 shaft rotation portion, 10 flange, 11
Recessed part, 12 receiving part, 13 rising, 14 lubrication member, 15 oil recovery part, 16 oil draining member, 17
Boss portion, 18 projecting portion, 19 slope, 22 oil-impregnated member.
───────────────────────────────────────────────────── フロントページの続き (72)発明者 鈴木 良仁 東京都千代田区丸の内二丁目２番３号 三 菱電機株式会社内 (72)発明者 出口 学 東京都千代田区丸の内二丁目２番３号 三 菱電機株式会社内 (72)発明者 丹羽 俊弘 東京都千代田区丸の内二丁目２番３号 三 菱電機株式会社内 ──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Yoshihito Suzuki 2-3-2 Marunouchi, Chiyoda-ku, Tokyo Mitsui Electric Co., Ltd. (72) Inventor Exit Study 2-3-2 Marunouchi, Chiyoda-ku, Tokyo Inside Rishi Electric Co., Ltd. (72) Inventor Toshihiro Niwa 2-3-2 Marunouchi, Chiyoda-ku, Tokyo
Claims (11)
材により構成した軸受を、当該部分の上記軸とともに包
囲する保持部材により所定の箇所に保持させるととも
に、この保持部材には上記軸を挿通する部分に上記軸に
近接し、軸受側に向う立上りを持つ受け部を設け、この
保持部材内には上記軸受に当接し、この軸受の周囲を囲
む潤滑油を含ませた潤滑部材を設け、この潤滑部材には
上記保持部材内における上記受け部側に位置する上記軸
の周囲を隙間をもって囲む油回収部を連設し、この油回
収部に臨む上記軸上には上記隙間において軸と共回り
し、上記油回収部に外周端が近接し上記軸に対して上記
受け部の立上りより大きく半径方向に張出す油切り部材
を設け、この油切り部材にはその外周部に軸方向に突出
する突出部を設けたことを特徴とする軸受装置。1. A bearing made of an oil-impregnated material that rotatably holds a rotating shaft is held at a predetermined position by a holding member surrounding the shaft together with the shaft, and the shaft is inserted through the holding member. Provide a receiving portion having a rising portion close to the shaft at the portion where the bearing is directed toward the bearing, and a lubricating member that abuts the bearing and includes a lubricating oil surrounding the periphery of the bearing is provided in the holding member. The lubricating member is provided with an oil collecting portion continuously surrounding the shaft positioned on the receiving portion side in the holding member with a gap, and the oil collecting portion is provided on the shaft facing the oil collecting portion together with the shaft in the gap. The oil collecting member is provided with an oil draining member whose outer peripheral end is close to the oil collecting portion and which protrudes radially from the shaft in a direction larger than the rising of the receiving portion. To provide a protruding part A bearing device.
材により構成した軸受を、当該部分の上記軸とともに包
囲する保持部材により所定の箇所に保持させるととも
に、この保持部材には上記軸を挿通する部分に上記軸に
近接し、軸受側に向う立上りを持つ受け部を設け、この
保持部材の内側には上記軸受に当接し、この軸受の周囲
を囲む潤滑油を含ませた潤滑部材を設け、この潤滑部材
には上記保持部材の内部における上記受け部側に位置す
る上記軸の周囲を隙間をもって囲む多孔質の樹脂による
油回収部を連設し、この油回収部に臨む上記軸上には上
記隙間において軸と共回りし、上記油回収部に外周端が
近接し上記軸に対して上記受け部の立上りより大きく半
径方向に張出す油切り部材を設け、この油切り部材には
その外周部に軸方向に突出する突出部を設けたことを特
徴とする軸受装置。2. A bearing made of an oil-impregnated material that rotatably holds a rotating shaft is held at a predetermined position by a holding member surrounding the shaft together with the shaft, and the shaft is inserted through the holding member. The receiving part is provided with a rising part which is close to the shaft and is directed toward the bearing at a portion where the lubricating oil is in contact with the bearing and which contains the lubricating oil surrounding the bearing. The lubricating member is provided with an oil recovery portion made of a porous resin that surrounds the shaft positioned on the receiving portion side inside the holding member with a gap therebetween, and is provided on the shaft facing the oil recovery portion. Is provided with an oil draining member that co-rotates with the shaft in the gap, the outer peripheral end of which is close to the oil recovery portion, and that protrudes in the radial direction more than the rising of the receiving portion with respect to the shaft. Axial on outer periphery A bearing device provided with a protruding projection.
材により構成した軸受を、当該部分の上記軸とともに包
囲する保持部材により所定の箇所に保持させるととも
に、この保持部材の内側には上記軸受に当接し、この軸
受の周囲を囲む潤滑油を含ませた潤滑部材を設け、この
潤滑部材には上記保持部材の内部における上記軸受に近
接する軸の周囲を隙間をもって囲む多孔質の樹脂による
油回収部を当該部の保持部材と一体成形により形成して
連設したことを特徴とする軸受装置。3. A bearing made of an oil-impregnated material for rotatably holding a rotating shaft is held at a predetermined position by a holding member surrounding the shaft together with the shaft, and the bearing is provided inside the holding member. And a lubricating member containing lubricating oil surrounding the periphery of the bearing is provided. The lubricating member includes an oil made of a porous resin which surrounds the periphery of the shaft close to the bearing inside the holding member with a gap. A bearing device, wherein a recovery part is formed integrally with a holding member of the part by integral molding.
材により構成した軸受を、当該部分の上記軸とともに包
囲する保持部材により所定の箇所に保持させるととも
に、この保持部材の内側には上記軸受に当接し、この軸
受の周囲を囲む潤滑油を含ませた多孔質の樹脂よりなる
潤滑部材を設け、この潤滑部材には上記軸受に近接する
上記軸の周囲を隙間をもって囲む多孔質の樹脂による油
回収部を連設したことを特徴とする軸受装置。4. A bearing made of an oil-impregnated material for rotatably holding a rotating shaft is held at a predetermined position by a holding member surrounding said shaft together with said shaft, and said bearing is provided inside said holding member. The bearing is provided with a lubricating member made of a porous resin containing lubricating oil surrounding the periphery of the bearing, and the lubricating member is formed of a porous resin surrounding the shaft close to the bearing with a gap. A bearing device comprising a series of oil recovery units.
持部材を軸受側と油回収部側との分割構成にするととも
に、油回収部側の保持部材の軸受側の保持部材に向き合
わせる取付側に外方へ張り出すフランジを設け、このフ
ランジの外周部にカシメ用の爪を逃がす凹部を設けたこ
とを特徴とする軸受装置。5. The bearing device according to claim 1, wherein the holding member is divided into a bearing side and an oil recovery unit side, and the holding member on the oil recovery unit side faces the holding member on the bearing side. A bearing device comprising: a flange that protrudes outward on a mounting side to be fitted; and a concave portion provided on an outer peripheral portion of the flange to release a claw for caulking.
であって、油切り部材の軸を挿通する部分を他の部分よ
り厚肉の円環状のボス部として構成したことを特徴とす
る軸受装置。6. The bearing device according to claim 1, wherein a portion through which the shaft of the oil draining member is inserted is formed as an annular boss portion thicker than other portions. Bearing device.
載の軸受装置であって、油切り部材の軸方向の両面が対
称な一体形状であることを特徴とする軸受装置。7. The bearing device according to claim 1, 2 or 6, wherein both surfaces of the oil draining member in the axial direction are symmetrical and integral.
載の軸受装置であって、油切り部材の軸方向の面に交互
に突出部を設けたことを特徴とする軸受装置。8. The bearing device according to claim 1, wherein the projecting portions are provided alternately on an axial surface of the oil draining member.
請求項７又は請求項８に記載の軸受装置であって、油切
り部材の突出部の軸方向端部を突出端として先端を尖ら
せたことを特徴とする軸受装置。9. The bearing device according to claim 1, wherein the axial end of the projecting portion of the oil draining member is a projecting end, and a tip is formed. A bearing device characterized by being sharpened.
は請求項７又は請求項８又は請求項９に記載の軸受装置
であって、油切り部材の突出部の軸側の面を油回収部に
向かう斜面に構成したことを特徴とする軸受装置。10. The bearing device according to claim 1, 2 or 6, 6 or 7, 8 or 9, wherein a surface of the projecting portion of the oil draining member on the shaft side is oiled. A bearing device comprising a slope facing a collection section.
は請求項８又は請求項９に記載の軸受装置であって、油
回収部を小径の柱状体に形成した含油部材を周方向に並
べて構成したことを特徴とする軸受装置。11. The bearing device according to claim 1, 6 or 7, or 8 or 9, wherein the oil-retaining member in which the oil recovery portion is formed as a small-diameter columnar member is arranged in a circumferential direction. A bearing device characterized by being arranged side by side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP784097A JPH10210701A (en) | 1997-01-20 | 1997-01-20 | Bearing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP784097A JPH10210701A (en) | 1997-01-20 | 1997-01-20 | Bearing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH10210701A true JPH10210701A (en) | 1998-08-07 |
Family
ID=11676815
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP784097A Pending JPH10210701A (en) | 1997-01-20 | 1997-01-20 | Bearing device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH10210701A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100339194B1 (en) * | 2000-06-21 | 2002-06-03 | 구자홍 | Mounting structure for oilless bearing in airconditioner motor |
| JP2014082846A (en) * | 2012-10-15 | 2014-05-08 | Asmo Co Ltd | Motor |
| JP2015019514A (en) * | 2013-07-11 | 2015-01-29 | 三菱電機株式会社 | Motor and air conditioner |
| CN105051387A (en) * | 2013-03-29 | 2015-11-11 | 三菱日立电力***株式会社 | Rotating shaft support structure and rotary machine |
| US11011955B2 (en) | 2017-03-28 | 2021-05-18 | Lg Electronics Inc. | Motor |
-
1997
- 1997-01-20 JP JP784097A patent/JPH10210701A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100339194B1 (en) * | 2000-06-21 | 2002-06-03 | 구자홍 | Mounting structure for oilless bearing in airconditioner motor |
| JP2014082846A (en) * | 2012-10-15 | 2014-05-08 | Asmo Co Ltd | Motor |
| CN105051387A (en) * | 2013-03-29 | 2015-11-11 | 三菱日立电力***株式会社 | Rotating shaft support structure and rotary machine |
| CN105051387B (en) * | 2013-03-29 | 2018-03-27 | 三菱日立电力***株式会社 | Rotation axis support structure and rotating machinery |
| US9945291B2 (en) | 2013-03-29 | 2018-04-17 | Mitsubishi Hitachi Power Systems, Ltd. | Rotating shaft support structure and rotary machine |
| JP2015019514A (en) * | 2013-07-11 | 2015-01-29 | 三菱電機株式会社 | Motor and air conditioner |
| US11011955B2 (en) | 2017-03-28 | 2021-05-18 | Lg Electronics Inc. | Motor |
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