JP2551738Y2 - Bearing device - Google Patents
Bearing deviceInfo
- Publication number
- JP2551738Y2 JP2551738Y2 JP1991079004U JP7900491U JP2551738Y2 JP 2551738 Y2 JP2551738 Y2 JP 2551738Y2 JP 1991079004 U JP1991079004 U JP 1991079004U JP 7900491 U JP7900491 U JP 7900491U JP 2551738 Y2 JP2551738 Y2 JP 2551738Y2
- Authority
- JP
- Japan
- Prior art keywords
- retaining ring
- outer periphery
- fitted
- slinger
- ring
- 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.)
- Expired - Fee Related
Links
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
- F16C35/00—Rigid support of bearing units; Housings, e.g. caps, covers
- F16C35/04—Rigid support of bearing units; Housings, e.g. caps, covers in the case of ball or roller bearings
- F16C35/06—Mounting or dismounting of ball or roller bearings; Fixing them onto shaft or in housing
- F16C35/067—Fixing them in a housing
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolls And Other Rotary Bodies (AREA)
- Rolling Contact Bearings (AREA)
Description
【０００１】[0001]
【産業上の利用分野】本考案は、例えば、圧延機のワー
クロールの圧延時の曲がりを押えるバックアップロール
用軸受装置の改良に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to, for example, an improvement in a bearing device for a backup roll which suppresses bending of a work roll of a rolling mill during rolling.
【０００２】[0002]
【従来の技術】従来、上記のようなバックアップロール
用軸受装置としては、図３に示すように、ロール軸１と
外筒２との間に円筒ころ３と円錐ころ軸受４とが嵌装さ
れている。上記外筒２の端部内周にはシールカバー５が
嵌合されて止め輪６で軸方向に固定され、上記ロール軸
１の端部外周にはシールリング７が嵌合されて止め輪８
で軸方向に固定される。上記シールリング７の外周にス
リンガ９が固定され、このスリンガ９でシールリング７
とシールカバー５との間を覆うようになっている。2. Description of the Related Art Conventionally, as a bearing device for a backup roll as described above, a cylindrical roller 3 and a tapered roller bearing 4 are fitted between a roll shaft 1 and an outer cylinder 2 as shown in FIG. ing. A seal cover 5 is fitted on the inner periphery of the end of the outer cylinder 2 and is fixed in the axial direction by a retaining ring 6, and a seal ring 7 is fitted on the outer periphery of the end of the roll shaft 1 to form a retaining ring 8.
Is fixed in the axial direction. A slinger 9 is fixed to the outer periphery of the seal ring 7, and the slinger 9
And the seal cover 5.
【０００３】[0003]
【考案が解決しようとする課題】ところで、上記止め輪
８及びこの止め輪８の溝１aの周辺部には、止め輪８の
防錆対策として、止め輪８に二硫化モリブデンのコーテ
ィングを施していた。しかし、このコーティングは耐摩
耗性に乏しく、金属同士の接触部では直ぐに剥げ落ちて
防錆効果が無くなるという問題がある。また、上記止め
輪８は、通常はＣ形状であるから、アキシアル荷重を受
けると、径方向外方へ開きやすく溝１aから外れること
があるという問題もあった。The retaining ring 8 and the peripheral portion of the groove 1a of the retaining ring 8 are coated with molybdenum disulfide as a measure for preventing the retaining ring 8 from being rusted. Was. However, this coating has poor abrasion resistance, and has a problem that the rust-preventing effect is lost due to immediate peeling off at the contact portion between the metals. In addition, since the retaining ring 8 is usually C-shaped, there is also a problem that when an axial load is applied, the retaining ring 8 is easily opened radially outward and may come off the groove 1a.
【０００４】そこで、本考案の目的は、止め輪の防錆及
び外れ防止を確実に達成できる軸受装置を提供すること
にある。Accordingly, an object of the present invention is to provide a bearing device that can reliably prevent rust and detachment of a retaining ring.
【０００５】[0005]
【課題を解決するための手段】上記目的を達成するため
に、本考案は、軸に嵌装された軸受部材と、上記軸の外
周に嵌合されて上記軸受部材を軸方向に支承するととも
に、止め輪で軸方向に固定されたリングと、このリング
の外周に固定され、上記軸受部材の内部を覆うスリンガ
と、上記軸の外周に嵌合され、上記止め輪の外周に対向
する屈曲部を有する芯金と上記スリンガの外端面に接触
する弾性リップ部を有する弾性部材とからなるカバーと
を備えることを特徴としている。In order to achieve the above object, the present invention provides a bearing member fitted on a shaft, and a bearing member fitted on an outer periphery of the shaft to axially support the bearing member. A ring fixed in the axial direction by a retaining ring, a slinger fixed to the outer periphery of the ring and covering the inside of the bearing member, and a bent portion fitted to the outer periphery of the shaft and facing the outer periphery of the retaining ring. And a cover made of an elastic member having an elastic lip portion in contact with the outer end surface of the slinger.
【０００６】[0006]
【作用】本考案の軸受装置によれば、軸に嵌合したカバ
ーで軸の外周とスリンガの外端面との間を覆うことによ
り、止め輪に水等がかからないので、防錆ができる。ま
た、上記カバーの芯金の屈曲部が止め輪の外周に対向し
ているから、止め輪の外れが防止できる。According to the bearing device of the present invention, since the cover fitted to the shaft covers the outer periphery of the shaft and the outer end surface of the slinger, the retaining ring is not exposed to water or the like, so that rust can be prevented. Further, since the bent portion of the core metal of the cover faces the outer periphery of the retaining ring, the retaining ring can be prevented from coming off.
【０００７】[0007]
【実施例】以下、本考案を図示の例えば圧延機のバック
アップロール用軸受装置の実施例により詳細に説明す
る。図１は第１実施例である。ロール軸１０と外筒１１
との間に複数個の円筒ころ１２が嵌装され、この円筒こ
ろ１２は保持器１３で保持されている。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below in detail with reference to the illustrated embodiment of a bearing device for a backup roll of a rolling mill, for example. FIG. 1 shows a first embodiment. Roll shaft 10 and outer cylinder 11
And a plurality of cylindrical rollers 12 are fitted between the cylindrical rollers 12, and the cylindrical rollers 12 are held by a retainer 13.
【０００８】上記ロール軸１０の端部外周にＯリング１
４を有するシールリング１５を嵌め込み、このシールリ
ング１５の外端面をロール軸１０の環状溝１０aに嵌装
した止め輪１６で軸方向に固定する。An O-ring 1 is provided on the outer periphery of the end of the roll shaft 10.
A seal ring 15 having a seal 4 is fitted therein, and an outer end surface of the seal ring 15 is axially fixed by a retaining ring 16 fitted in an annular groove 10 a of the roll shaft 10.
【０００９】上記外筒１１の端部内周に設けた環状段部
１１aに、Ｏリング１７を有するシールカバー１８を嵌
め込み、このシールカバー１８の外端面を、環状段部１
１aの環状溝１１bに嵌装した止め輪１９で軸方向に固定
する。A seal cover 18 having an O-ring 17 is fitted into an annular step 11a provided on the inner periphery of the end of the outer cylinder 11, and the outer end face of the seal cover 18 is
It is fixed in the axial direction by a retaining ring 19 fitted in the annular groove 11b of 1a.
【００１０】上記シールリング１５の外周にＬ字状断面
の環状スリンガ２０を固定し、このスリンガ２０でシー
ルリング１５とシールカバー１８との間を覆う。上記ス
リンガ２０で囲まれた空間にゴム等からなる環状のオイ
ルシール２１をシールカバー１８に固定して装着する。
このオイルシール２１はスリンガ２０とシールカバー１
８との間を密封する。An annular slinger 20 having an L-shaped cross section is fixed to the outer periphery of the seal ring 15, and the slinger 20 covers the space between the seal ring 15 and the seal cover 18. An annular oil seal 21 made of rubber or the like is fixedly attached to the seal cover 18 in a space surrounded by the slinger 20.
The oil seal 21 includes the slinger 20 and the seal cover 1.
And seal between them.
【００１１】一方、上記止め輪１６の外周に所定の隙間
を隔てて対向する屈曲部２２aを形成した芯金２２と、
この芯金２２の少なくとも内周外端面及び外周にインサ
ートモールドしたゴム製の弾性部材２３とからなり弾性
部材の一部がリップ部２３aとなるカバー３０をロール
軸１０の外周に嵌合している。On the other hand, a metal core 22 having a bent portion 22a facing the outer circumference of the retaining ring 16 with a predetermined gap therebetween;
A cover 30, which is made of a rubber elastic member 23 insert-molded on at least the inner and outer end surfaces and the outer periphery of the core metal 22, and a part of the elastic member serves as a lip portion 23 a, is fitted on the outer periphery of the roll shaft 10. .
【００１２】このカバー３０は、芯金２２の屈曲部２２
aを止め輪１６の外周に対向させた状態で、外周のリッ
プ部２３aが上記スリンガ２０の外端面に接触する。The cover 30 is formed of a bent portion 22 of the metal core 22.
With the a facing the outer periphery of the retaining ring 16, the outer lip portion 23 a contacts the outer end surface of the slinger 20.
【００１３】上記構成によれば、上記カバー３０でロー
ル軸１０の外周とスリンガ２０の外端面との間が覆われ
るので、止め輪１６に冷却水等がかからなくなる。特に
リップ部２３aにより冷却水等に対して確実にシールさ
れる。これにより、防水・防錆が確実に達成できる。ま
た、カバー３０の芯金２２の屈曲部２２aが止め輪１６
の外周に対向して、止め輪１６が拡大したときに係合す
るので、止め輪１６の径方向外方への外れも確実に防止
できる。According to the above configuration, since the space between the outer periphery of the roll shaft 10 and the outer end surface of the slinger 20 is covered with the cover 30, cooling water or the like does not splash on the retaining ring 16. In particular, the lip portion 23a reliably seals against cooling water and the like. Thereby, waterproof and rust prevention can be reliably achieved. The bent portion 22a of the core metal 22 of the cover 30 is
The retaining ring 16 is engaged when the retaining ring 16 expands in opposition to the outer periphery of the retaining ring 16, so that the retaining ring 16 can be reliably prevented from coming off radially outward.
【００１４】図２は第２実施例である。この実施例で
は、芯金２４が逆Ｌ字状断面に形成され、この芯金２４
の屈曲部２４aを止め輪１６の軸方向の外周に所定の隙
間を隔てて対向させている。そして、この芯金２４と、
この芯金２４の少なくとも内周外端面及び外周にインサ
ートモールドしたゴム製の弾性部材２５からなり、この
弾性部材２５にリップ部２５aを形成したカバー４０を
ロール軸１０の外周に嵌合している。カバー４０の外周
のリップ部２５aは上記スリンガ２０の外端面に接触し
ている。この第２実施例でも第１実施例と同様の作用・
効果を奏することができる。FIG. 2 shows a second embodiment. In this embodiment, the core 24 is formed in an inverted L-shaped cross section.
Is opposed to the outer periphery of the retaining ring 16 in the axial direction with a predetermined gap. And this core metal 24,
A cover 40 having a rubber elastic member 25 insert-molded on at least the inner and outer end surfaces and the outer periphery of the metal core 24, and a lip portion 25 a formed on the elastic member 25 is fitted to the outer periphery of the roll shaft 10. . The lip 25a on the outer periphery of the cover 40 is in contact with the outer end surface of the slinger 20. In the second embodiment, the same operation as in the first embodiment is performed.
The effect can be achieved.
【００１５】[0015]
【考案の効果】以上の説明からも明らかなように、本考
案の軸受装置は、軸に嵌合したカバーで軸の外周とスリ
ンガの外端面との間を覆うようにしたものである。した
がって、上記カバーにより、軸の外周に嵌合したリング
を固定する止め輪に水等がかからないので、上記止め輪
を防錆できる。また、上記カバーの芯金の屈曲部を止め
輪の外周に対向させているので、止め輪の外れも防止で
きる。As is clear from the above description, the bearing device according to the present invention is such that the cover fitted to the shaft covers between the outer periphery of the shaft and the outer end surface of the slinger. Accordingly, the cover prevents water or the like from being applied to the retaining ring that fixes the ring fitted to the outer periphery of the shaft, and thus can prevent the retaining ring from rusting. Further, since the bent portion of the core metal of the cover faces the outer periphery of the retaining ring, the retaining ring can be prevented from coming off.
【図１】 本考案の第１実施例のバックアップロール用
軸受装置の断面図FIG. 1 is a sectional view of a backup roll bearing device according to a first embodiment of the present invention;
【図２】 第２実施例のバックアップロール用軸受装置
の断面図FIG. 2 is a cross-sectional view of a backup roll bearing device according to a second embodiment.
【図３】 従来のバックアップロール用軸受装置の断面
図FIG. 3 is a cross-sectional view of a conventional backup roll bearing device.
１０…ロール軸、１１…外筒、１２…円筒ころ、１５…
シールリング、１６…止め輪、１８…シールカバー、１
９…止め輪、２０…スリンガ、２２,２４…芯金、２２
a,２４a…屈曲部、２３,２５…弾性部材、３０,４０…
カバー。10: roll shaft, 11: outer cylinder, 12: cylindrical roller, 15:
Seal ring, 16: retaining ring, 18: seal cover, 1
9: retaining ring, 20: slinger, 22, 24: core metal, 22
a, 24a: bent portion, 23, 25: elastic member, 30, 40 ...
cover.
Claims (1)
するとともに、止め輪で軸方向に固定されたリングと、 このリングの外周に固定され、上記軸受部材の内部を覆
うスリンガと、 上記軸の外周に嵌合され、上記止め輪の外周に対向する
屈曲部を有する芯金と上記スリンガの外端面に接触する
弾性リップ部を有する弾性部材とからなるカバーとを備
えることを特徴とする軸受装置。A ring fitted to an outer periphery of the shaft to axially support the bearing member and fixed in the axial direction by a retaining ring; A slinger fixed to the outer periphery and covering the inside of the bearing member; a cored bar fitted to the outer periphery of the shaft and having a bent portion facing the outer periphery of the retaining ring; and an elastic lip portion contacting an outer end surface of the slinger. And a cover made of an elastic member having the following.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1991079004U JP2551738Y2 (en) | 1991-09-30 | 1991-09-30 | Bearing device |
| KR2019920018553U KR0119472Y1 (en) | 1991-09-30 | 1992-09-29 | Bearing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1991079004U JP2551738Y2 (en) | 1991-09-30 | 1991-09-30 | Bearing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0528504U JPH0528504U (en) | 1993-04-16 |
| JP2551738Y2 true JP2551738Y2 (en) | 1997-10-27 |
Family
ID=13677811
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1991079004U Expired - Fee Related JP2551738Y2 (en) | 1991-09-30 | 1991-09-30 | Bearing device |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2551738Y2 (en) |
| KR (1) | KR0119472Y1 (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4797935B2 (en) * | 2006-11-01 | 2011-10-19 | アイシン・エィ・ダブリュ株式会社 | Clutch for automatic transmission and automatic transmission provided with the same |
| JP5343456B2 (en) * | 2008-09-01 | 2013-11-13 | 株式会社ジェイテクト | Roller bearing device and backup roll |
| JP5474476B2 (en) * | 2009-09-29 | 2014-04-16 | Ｎｔｎ株式会社 | Rolling bearing sealing device and rolling bearing provided with the sealing device |
| JP5513297B2 (en) * | 2010-04-28 | 2014-06-04 | アスモ株式会社 | motor |
| JP6772778B2 (en) * | 2016-11-21 | 2020-10-21 | 株式会社ジェイテクト | Bearing equipment |
-
1991
- 1991-09-30 JP JP1991079004U patent/JP2551738Y2/en not_active Expired - Fee Related
-
1992
- 1992-09-29 KR KR2019920018553U patent/KR0119472Y1/en not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| KR930006970U (en) | 1993-04-24 |
| KR0119472Y1 (en) | 1998-07-01 |
| JPH0528504U (en) | 1993-04-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4792243A (en) | Bearing | |
| JP4274341B2 (en) | Axle bearing | |
| CA2454231C (en) | Neck seal | |
| JP2005291485A (en) | Bearing device | |
| EP3453905A1 (en) | Sealing device | |
| US6149309A (en) | Bushing for oil film bearing | |
| JPH0320611B2 (en) | ||
| JP2551738Y2 (en) | Bearing device | |
| US6280097B1 (en) | Corrosion resistant cam follower bearing assembly | |
| JP4058568B2 (en) | Bearing device and method for assembling sealing member | |
| JPH0331442Y2 (en) | ||
| JPH066751U (en) | Sealing device for split rolling bearings | |
| JP2581552Y2 (en) | Bearing device for backup roll used in rolling mill | |
| EP0997673B1 (en) | Sealing device for bearing, and bearing for supporting rolling roll, using the sealing device | |
| US7497630B2 (en) | Sealed rolling bearing | |
| JPH07127650A (en) | Sealing device of bearing | |
| JPH088375Y2 (en) | Outer ring rotating bearing device | |
| JP2003314573A (en) | Roller bearing | |
| JP2594687Y2 (en) | Rolling bearing sealing device | |
| JPH09269010A (en) | Seal structure for turning bearing | |
| JP2535091Y2 (en) | Rolling bearing with seal | |
| JPH0645695Y2 (en) | Thrust roller bearing | |
| JPH07217663A (en) | Sealing device | |
| JPH082496Y2 (en) | Roller bearing device | |
| JPH11247866A (en) | Sealing device for rolling bearing |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |