CN203161855U - Plummer block with sealing performance - Google Patents
Plummer block with sealing performance Download PDFInfo
- Publication number
- CN203161855U CN203161855U CN 201320189025 CN201320189025U CN203161855U CN 203161855 U CN203161855 U CN 203161855U CN 201320189025 CN201320189025 CN 201320189025 CN 201320189025 U CN201320189025 U CN 201320189025U CN 203161855 U CN203161855 U CN 203161855U
- Authority
- CN
- China
- Prior art keywords
- ring
- bearing support
- capping
- inner ring
- main shaft
- 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
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- Rolling Contact Bearings (AREA)
Abstract
The utility model discloses a plummer block with sealing performance, in particular a plummer block provided with sealing end covers at two ends and having sealing performance. The plummer block 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 shorter than that of the inner ring, and a sealing ring is arranged at each of two ends of the outer ring. A locking ring is arranged at each of two ends of the bearing seat. One end of the inner ring protrudes one end of the bearing seat and is sleeved with a retainer ring, through holes are distributed in the retainer ring and the protruding end of the inner ring, and a screw is arranged in each through hole. The plummer block is characterized in that a first sealing cover and a second sealing cover are arranged at the two ends of the bearing seat respectively. By adopting the plummer block, the sealing effect is good; and when the plummer block is matched with a rotating shaft, potential safety hazard can be eliminated.
Description
Technical field
The utility model 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.
The model utility content
Problem to be solved in the utility model 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 utility model 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 utility model 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 utility model 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 utility model 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 utility model.
Embodiment
As shown in Figure 1, the rolling bearing units with sealability of the present utility model 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 utility model 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 |
|---|---|---|---|
| CN 201320189025 CN203161855U (en) | 2013-04-16 | 2013-04-16 | Plummer block with sealing performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320189025 CN203161855U (en) | 2013-04-16 | 2013-04-16 | Plummer block with sealing performance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203161855U true CN203161855U (en) | 2013-08-28 |
Family
ID=49023041
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320189025 Expired - Fee Related CN203161855U (en) | 2013-04-16 | 2013-04-16 | Plummer block with sealing performance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203161855U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103195824A (en) * | 2013-04-16 | 2013-07-10 | 无锡市滚动轴承有限公司 | Mounted bearing with sealing performance |
| CN114321189A (en) * | 2022-01-11 | 2022-04-12 | 临清市金彬轴承有限公司 | High-stability vertical type outer spherical surface bearing seat and machining method thereof |
-
2013
- 2013-04-16 CN CN 201320189025 patent/CN203161855U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103195824A (en) * | 2013-04-16 | 2013-07-10 | 无锡市滚动轴承有限公司 | Mounted bearing with sealing performance |
| CN114321189A (en) * | 2022-01-11 | 2022-04-12 | 临清市金彬轴承有限公司 | High-stability vertical type outer spherical surface bearing seat and machining method thereof |
| CN114321189B (en) * | 2022-01-11 | 2024-04-19 | 临清市金彬轴承有限公司 | High-stability vertical outer spherical bearing seat and processing method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130828 Termination date: 20190416 |