CN103195824A - Mounted bearing with sealing performance - Google Patents
Mounted bearing with sealing performance Download PDFInfo
- Publication number
- CN103195824A CN103195824A CN2013101301980A CN201310130198A CN103195824A CN 103195824 A CN103195824 A CN 103195824A CN 2013101301980 A CN2013101301980 A CN 2013101301980A CN 201310130198 A CN201310130198 A CN 201310130198A CN 103195824 A CN103195824 A CN 103195824A
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- ring
- bearing support
- capping
- inner ring
- bearing
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Abstract
The invention discloses a mounted bearing with sealing performance and particularly discloses a mounted bearing with sealing performance, wherein two ends of the mounted bearing is provided with sealing end covers. The mounted bearing comprises a body and a bearing seat, wherein the body comprises an inner ring, an outer ring, a retainer and a roller, the axial length of the outer ring is less than that of the inner ring, two ends of the outer ring are provided with sealing rings, two ends of the bearing seat are provided with locking rings, one end of the inner ring protrudes out of one end of the bearing seat and is sheathed with a check ring, through holes are evenly distributed in the protruding ends of the check ring and the inner ring, and screws are arranged in the through holes. The mounted bearing is characterized in that the two ends of the bearing seat are respectively provided with a first sealing cover and second sealing cover. By adopting the mounted bearing, the sealing effect is good, and the potential safety hazard can be eliminated when the mounted bearing is matched with a rotating shaft.
Description
Technical field
The present invention relates to a kind of bearing.Specifically, be the rolling bearing units with sealability that two ends all have end cover.
Background technique
Know all that in the bearing manufacturing traditional rolling bearing units comprise body and bearing support, described body is in the described bearing support.Described body contains inner ring, outer ring, and retainer and roller are arranged between inside and outside circle, is fixed together between described outer ring and bearing support.The axial length of described outer ring is shorter than described inner ring, between the cylindrical of circle and described inner ring seal ring is arranged all in the bearing support at two ends, described outer ring.All there is internal thread at described bearing support two ends, and all there is to block the clamp ring of described seal ring at described diaxon bearing two ends.Described clamp ring is annulus, and outside thread is arranged on it, and described clamp ring screws in the two ends of bearing support by the internal thread at the outside thread on it and bearing support two ends.The axial length of described inner ring is greater than bearing support, and an end of inner ring protrudes outside the respective end of bearing support, on the protruding end of inner ring through hole arranged, and is useful on the screw that main shaft and described inner ring are fixed together in the through hole.Because this rolling bearing units only are provided with seal ring between bearing support and inner ring, and between inner ring two ends and rotating shaft, do not have seal approach, have only seal approach one, in case ring wear, sealing will be lost efficacy, and dust or water just easily enter in the bearing, the running environment of destruction bearing.Therefore, the sealing effect of this rolling bearing units is relatively poor.Only be provided with seal ring between bearing support and inner ring owing to this rolling bearing units again, and do not have seal approach between inner ring two ends and rotating shaft, when cooperating with rotating shaft, the rotating shaft two ends all expose outside, have hidden danger.
Summary of the invention
The problem to be solved in the present invention provides a kind of rolling bearing units with sealability.Adopt this bearing, good sealing effect not only, and when cooperating with rotating shaft, can eliminate hidden danger.
For addressing the above problem, take following technological scheme:
Rolling bearing units with sealability of the present invention comprise body and bearing support, and described body is in the described bearing support.Described body contains inner ring, outer ring, and retainer and roller are arranged between Internal and external cycle, is fixed together between described outer ring and bearing support.The axial length of described outer ring is shorter than described inner ring, between the cylindrical of circle and described inner ring seal ring is arranged all in the bearing support at two ends, described outer ring.All there is internal thread at described bearing support two ends, and all there is to block the clamp ring of described seal ring at described bearing support two ends.Described clamp ring is annulus, and outside thread is arranged on it, and described clamp ring screws in the two ends of bearing support by the internal thread at the outside thread on it and bearing support two ends.The axial length of described inner ring is greater than bearing support, and an end of inner ring protrudes outside the respective end of bearing support, be with back-up ring on the protruding end of inner ring, be evenly equipped with through hole on the corresponding position on the protruding end of described back-up ring and described inner ring, be useful on the screw that main shaft and described inner ring are fixed together in the through hole.Bearing support one end that is characterized in contiguous described back-up ring has first capping, is the sealing shape around the oral area of described first capping and is connected on the respective end of described bearing support.Bearing support one end away from described back-up ring has second capping, being the sealing shape around the oral area of described second capping is connected on the respective end of described bearing support, the axis hole that cooperates with main shaft is arranged at the bottom of the lid of second capping, be between described axis hole and main shaft that the sealing shape is movable to be cooperated.
The further improvement of the present invention scheme is that the axis hole inner circumference at described second capping lid end has seal ring to fluted in the groove.Be fixed interference fit between the interior circle of described seal ring and described main shaft, be the sealing shape between the bi-side of described seal ring and the cell wall of described groove and be slidingly matched.
The further improvement of the present invention scheme is, contains at the bottom of the lid of described second capping at the bottom of the internal layer lid end and the outer cover, and the internal and external layer lid parallels and have to form the spacing of described groove at the end.
Take such scheme, have the following advantages:
By such scheme as can be seen, owing to be provided with first capping at bearing support one end of contiguous described back-up ring, be the sealing shape around the oral area of described first capping and be connected on the respective end of described bearing support.At bearing support one end away from described back-up ring second capping is arranged, being the sealing shape around the oral area of described second capping is connected on the respective end of described bearing support, the axis hole that cooperates with main shaft is arranged at the bottom of the lid of second capping, be between described axis hole and main shaft that the sealing shape is movable to be cooperated.The ring wear between bearing support and inner ring not only between bearing support and inner ring, is provided with seal ring, and between inner ring two ends and rotating shaft, also taked seal approach, in case by the effect of first, second capping, still can avoid dust or water to enter in the bearing.Therefore, the sealing effect of this rolling bearing units of the present invention is better.Again owing to be respectively arranged with first capping and second capping at the two ends of bearing support, not only with between rotating shaft, increased seal approach at the inner ring two ends, and when cooperating with rotating shaft, the rotating shaft two ends are covered by first, second capping respectively, thereby eliminated hidden danger.
Description of drawings
Fig. 1 is the rolling bearing units structural representation with sealability of the present invention.
Embodiment
As shown in Figure 1, the rolling bearing units with sealability of the present invention comprise body and bearing support 6, and described body is in the described bearing support 6.Described body contains inner ring 2, outer ring 5, and retainer 7 and roller 8 are installed between inside and outside circle, is fixed together between described outer ring 5 and the bearing support 6.The axial length of described outer ring 5 is shorter than described inner ring 2, is provided with seal ring between the cylindrical of circle and described inner ring 2 in the bearing support 6 at 5 two ends, described outer ring.Described seal ring contains disc type metal frame 10, is fixed together between circle in the cylindrical of this disc type metal frame and the bearing support 6.Be processed with annular groove on the interior circle of described disc type metal frame 10, be embedded with flexible seal ring 11 in the annular groove.Described flexible seal ring 11 is rubber rings.The cell wall inner side surface of described annular groove parallels, and is interference fit between the interior circle of described rubber ring and the cylindrical of described inner ring 2, is the slip shape between the outer edge two sides of described rubber ring and described annular groove and is sealed and matched.During work, described rubber ring is with described inner ring 2 rotations.
Described bearing support 6 two ends all are processed with internal thread, and described diaxon bearing 6 two ends are provided with to block the clamp ring 9 of the disc type metal frame 10 of described seal ring.Described clamp ring 9 is annulus, is processed with outside thread on it, and described clamp ring 9 screws in the two ends of bearing support 6 by the internal thread at the outside thread on it and bearing support 6 two ends, makes the disc type metal frame 10 of seal ring be pressed in the two ends of outer ring 5.The axial length of described inner ring 2 is greater than bearing support 6, make an end of inner ring 2 protrude outside the respective end of bearing support 6, be with back-up ring 3 on the protruding end of inner ring 2, be evenly equipped with through hole on the circumferencial direction corresponding position of described back-up ring 3 and described inner ring 2, be furnished with the screw 4 that is fixed together for main shaft 12 and described inner ring 2 in the through hole.Bearing support 6 one ends at contiguous described back-up ring 3 are provided with first capping 1, and described first capping, 1 oral area is processed with outwards flanging of footpath, and first capping, 1 oral area is the sealing shape by the outside flanging in this footpath and is connected on the respective end of described bearing support 6.Be provided with second capping 16 at bearing support 6 one ends away from described back-up ring 3, described second capping, 16 oral areas are processed with outwards flanging of footpath, being the sealing shape by the outside flanging in this footpath around the oral area of second capping 16 is connected on the respective end of described bearing support 6, be processed with the axis hole that cooperates with main shaft 12 at the bottom of the lid of second capping 16, described axis hole is the activity of sealing shape with 12 on main shaft and cooperates.
Wherein, to being processed with groove, seal ring 15 is installed in the groove at the axis hole inner circumference at the described second capping 16 lid ends.12 on the interior circle of described seal ring 15 and described main shaft are fixed interference fit, are the sealing shape between the bi-side of described seal ring 15 and the cell wall of described groove and are slidingly matched.When making work, described seal ring 15 can rotate with main shaft 12.Described seal ring 15 is rubber product.
Contain at the bottom of the internal layer lid end 14 and the outer cover 13 at the bottom of the lid of described second capping 16, the internal layer lid end 14 with parallel between 13 at the bottom of the outer cover, and internal layer covers the spacing that leaves to form described groove at the bottom of the end 14 and the outer cover between 13.
Because the present invention is provided with seal ring at bearing support 6 and 2 of inner rings, and also taked seal approach at inner ring 2 two ends and 12 on main shaft, in case the ring wear that bearing support 6 and inner ring are 2, effect by first capping 1, second capping 16, still can avoid dust or water to enter in the bearing, thereby improve the sealing effect of rolling bearing units greatly.Again owing to be respectively arranged with first capping 1 and second capping 16 at the two ends of bearing support 6, not only increased seal approach at inner ring 2 two ends with 12 on main shaft, and when cooperating with main shaft 12, main shaft 12 two ends are covered, thereby have eliminated hidden danger by first capping 1, second capping 16 respectively.
Claims (3)
1. the rolling bearing units that have sealability comprise body and bearing support (6), and described body is in the described bearing support (6); Described body contains inner ring (2), outer ring (5), and retainer (7) and roller (8) are arranged between Internal and external cycle, is fixed together between described outer ring (5) and bearing support (6); The axial length of described outer ring (5) is shorter than described inner ring (2), between the cylindrical of circle and described inner ring (2) seal ring is arranged all in the bearing support (6) at two ends, described outer ring (5); All there is internal thread at described bearing support (6) two ends, and all there is to block the clamp ring (9) of described seal ring at described bearing support (6) two ends; Described clamp ring (9) is annulus, and outside thread is arranged on it, and described clamp ring (9) screws in the two ends of bearing support (6) by the internal thread at the outside thread on it and bearing support (6) two ends; The axial length of described inner ring (2) is greater than bearing support (6), and an end of inner ring (2) protrudes outside the respective end of bearing support (6), be with back-up ring (3) on the protruding end of inner ring (2), be evenly equipped with through hole on the corresponding position on the protruding end of described back-up ring (3) and described inner ring (2), be useful on the screw (4) that main shaft (12) and described inner ring (2) are fixed together in the through hole; Bearing support (6) one ends that it is characterized in that contiguous described back-up ring (3) have first capping (1), are the sealing shape around the oral area of described first capping (1) and are connected on the respective end of described bearing support (6); Bearing support (6) one ends away from described back-up ring (3) have second capping (16), being the sealing shape around the oral area of described second capping (16) is connected on the respective end of described bearing support (6), the axis hole that cooperates with main shaft (12) is arranged at the bottom of the lid of second capping (16), be between described axis hole and main shaft (12) that the sealing shape is movable to be cooperated.
2. the rolling bearing units with sealability according to claim 1 is characterized in that the axis hole inner circumference at described second capping (16) the lid end to fluted, has seal ring (15) in the groove; Be fixed interference fit between the interior circle of described seal ring (15) and described main shaft (12), be the sealing shape between the bi-side of described seal ring (15) and the cell wall of described groove and be slidingly matched.
3. rolling bearing units with sealability according to claim 2, it is characterized in that containing at the bottom of the lid of described second capping (16) (13) at the bottom of the internal layer lid end (14) and the outer cover, internal and external layer covers the spacing that parallels and have to form described groove at the end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013101301980A CN103195824A (en) | 2013-04-16 | 2013-04-16 | Mounted bearing with sealing performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013101301980A CN103195824A (en) | 2013-04-16 | 2013-04-16 | Mounted bearing with sealing performance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103195824A true CN103195824A (en) | 2013-07-10 |
Family
ID=48718560
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013101301980A Pending CN103195824A (en) | 2013-04-16 | 2013-04-16 | Mounted bearing with sealing performance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103195824A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109707851A (en) * | 2019-01-31 | 2019-05-03 | 宇晶机器（长沙）有限公司 | A kind of contact type sealing device for multi-line cutting machine high-speed bearing case |
| CN111677770A (en) * | 2020-06-18 | 2020-09-18 | 中国重汽集团柳州运力科迪亚克机械有限责任公司 | Synchronizer of roller brush connecting shaft of snow remover |
| CN113738767A (en) * | 2021-11-02 | 2021-12-03 | 杭州斯格尔液压机械有限公司 | Rolling bearing pressing plate special for electric automobile |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5269607A (en) * | 1992-06-29 | 1993-12-14 | The Torrington Company | Bearing assembly with locking device |
| US20070253657A1 (en) * | 2006-05-01 | 2007-11-01 | Rexnord Industries, Llc | Wedge-type bearing assembly |
| CN101504041A (en) * | 2009-01-09 | 2009-08-12 | 无锡市滚动轴承有限公司 | Locking device for bearing with extended inner ring |
| RU2418210C1 (en) * | 2009-12-29 | 2011-05-10 | Дмитрий Сергеевич Блинов | Support device for axial fixation of rotating shaft of assembly |
| CN203161855U (en) * | 2013-04-16 | 2013-08-28 | 无锡市滚动轴承有限公司 | Plummer block with sealing performance |
-
2013
- 2013-04-16 CN CN2013101301980A patent/CN103195824A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5269607A (en) * | 1992-06-29 | 1993-12-14 | The Torrington Company | Bearing assembly with locking device |
| US20070253657A1 (en) * | 2006-05-01 | 2007-11-01 | Rexnord Industries, Llc | Wedge-type bearing assembly |
| CN101504041A (en) * | 2009-01-09 | 2009-08-12 | 无锡市滚动轴承有限公司 | Locking device for bearing with extended inner ring |
| RU2418210C1 (en) * | 2009-12-29 | 2011-05-10 | Дмитрий Сергеевич Блинов | Support device for axial fixation of rotating shaft of assembly |
| CN203161855U (en) * | 2013-04-16 | 2013-08-28 | 无锡市滚动轴承有限公司 | Plummer block with sealing performance |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109707851A (en) * | 2019-01-31 | 2019-05-03 | 宇晶机器（长沙）有限公司 | A kind of contact type sealing device for multi-line cutting machine high-speed bearing case |
| CN109707851B (en) * | 2019-01-31 | 2024-03-08 | 宇晶机器（长沙）有限公司 | Contact type sealing device for high-speed bearing box of multi-wire sawing machine |
| CN111677770A (en) * | 2020-06-18 | 2020-09-18 | 中国重汽集团柳州运力科迪亚克机械有限责任公司 | Synchronizer of roller brush connecting shaft of snow remover |
| CN113738767A (en) * | 2021-11-02 | 2021-12-03 | 杭州斯格尔液压机械有限公司 | Rolling bearing pressing plate special for electric automobile |
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|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130710 |