CN209875724U - Thrust tapered roller bearing with good sealing performance - Google Patents
Thrust tapered roller bearing with good sealing performance Download PDFInfo
- Publication number
- CN209875724U CN209875724U CN201920199234.1U CN201920199234U CN209875724U CN 209875724 U CN209875724 U CN 209875724U CN 201920199234 U CN201920199234 U CN 201920199234U CN 209875724 U CN209875724 U CN 209875724U
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- CN
- China
- Prior art keywords
- annular
- bearing
- bearing race
- tapered roller
- plate
- 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)
- Sealing Of Bearings (AREA)
Abstract
The utility model discloses a thrust tapered roller bearing that sealing performance is good, including bearing race and the bearing race of mutually supporting, evenly be provided with a plurality of tapered rollers between bearing race and the bearing race, demountable installation has first annular closing plate on the lateral wall on bearing race top, evenly install a plurality of ring baffle on the diapire of first annular closing plate, set up the annular movable groove of mutually supporting with ring baffle on the roof of bearing race. The utility model discloses in install first annular seal plate on the lateral wall on bearing shaft collar top to be equipped with annular baffle and second annular seal plate in first annular seal plate's bottom, not only can not influence the free rotation of bearing shaft collar, can prevent moreover that debris from entering into and damaging tapered roller between bearing race and the bearing shaft collar, thereby prolonged thrust tapered roller bearing's life.
Description
Technical Field
The utility model relates to a tapered roller thrust bearing technical field especially relates to a tapered roller thrust bearing that sealing performance is good.
Background
The tapered roller thrust bearing can form a very compact axial bearing configuration, can bear heavy axial load, is insensitive to impact load, and has good rigidity.
In the prior art, the tapered roller thrust bearing is often used in a severe environment, so that the tapered roller thrust bearing needs to have good sealing performance, and impurities are prevented from entering the bearing to wear the tapered roller, so that the tapered roller thrust bearing can be prevented from being damaged.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem that if sealing performance is not good, the tapered roller thrust bearing will lead to life to shorten among the prior art, and the tapered roller thrust bearing that sealing performance is good who provides.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a thrust tapered roller bearing that sealing performance is good, is including bearing race and the bearing race of mutually supporting, evenly be provided with a plurality of tapered rollers between bearing race and the bearing race, demountable installation has first annular seal plate on the lateral wall on bearing race top, evenly install a plurality of ring baffle on the diapire of first annular seal plate, set up the annular movable groove of mutually supporting with ring baffle on the roof of bearing race.
Preferably, the bearing shaft ring and the bearing race are in clearance fit with each other, and the top end of the bearing shaft ring is located on the upper side of the bearing race.
Preferably, fixed mounting has an annular connecting plate on the lateral wall of bearing shaft circle, set up the spread groove of mutually supporting with annular connecting plate on the first annular seal board, evenly install a plurality of threaded rods on the roof of annular connecting plate, and the top of threaded rod all runs through first annular seal board and extends to the upside of first annular seal board, every the equal threaded connection in top of threaded rod has fastening nut.
Preferably, each annular baffle's bottom all is equipped with the ball, and the bottom of ball all contacts with the inboard diapire of annular activity groove each other.
Preferably, the annular baffle comprises an annular fixed plate fixedly mounted on the bottom wall of the first annular sealing plate and an annular expansion plate inserted on the bottom wall of the annular fixed plate, springs are uniformly wound on the outer side wall of the annular expansion plate, and two ends of each spring are respectively and fixedly mounted on the annular fixed plate and the annular expansion plate.
Preferably, a second annular sealing plate is fixedly mounted on the bottom wall of one end, far away from the bearing race, of the first annular sealing plate, and the second annular sealing plate is in clearance fit with the bearing race.
Compared with the prior art, the utility model discloses there is following beneficial effect:
1. the outer side wall at the top end of the bearing shaft ring is provided with the first annular sealing plate, and the bottom end of the first annular sealing plate is provided with the annular baffle plate and the second annular sealing plate, so that the free rotation of the bearing shaft ring is not influenced, sundries can be prevented from entering between the bearing race and the bearing shaft ring to damage the tapered roller, and the service life of the tapered roller thrust bearing is prolonged;
2. the annular baffle comprises scalable connection's annular fixed plate and annular expansion plate, not only can make annular baffle's bottom contact with the top of bearing race each other all the time, prevents that debris from getting into the inboard of bearing race, can prevent moreover that bearing shaft circle from crushing annular baffle and bearing race when the pressure is too big, and practicality is good.
Drawings
Fig. 1 is a schematic front structural view of a tapered roller thrust bearing with good sealing performance according to the present invention;
fig. 2 is an enlarged view of a portion a of the thrust tapered roller bearing with good sealing performance according to the present invention;
fig. 3 is an enlarged view of a portion B of the tapered roller thrust bearing with good sealing performance according to the present invention.
In the figure: 1 bearing race, 2 bearing race, 3 tapered rollers, 4 first annular seal plates, 5 annular connecting plates, 6 connecting grooves, 7 threaded rods, 8 fastening nuts, 9 balls, 10 annular movable grooves, 11 annular fixed plates, 12 annular expansion plates, 13 springs and 14 second annular seal plates.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-3, a thrust tapered roller bearing with good sealing performance comprises a bearing race 1 and a bearing race 2 which are mutually matched, wherein a plurality of tapered rollers 3 are uniformly arranged between the bearing race 1 and the bearing race 2, the bearing race 2 and the bearing race 1 are mutually in clearance fit, and the top end of the bearing race 2 is positioned on the upper side of the bearing race 1, so that the free rotation of the bearing race 2 cannot be influenced, and the clearance between the bearing race 1 and the bearing race 2 can be conveniently sealed, thereby preventing sundries from entering between the bearing race 1 and the bearing race 2.
Demountable installation has first annular seal board 4 on the lateral wall on 2 tops of bearing race, fixed mounting has annular connecting plate 5 on 2's of bearing race's the lateral wall, set up spread groove 6 of mutually supporting with annular connecting plate 5 on first annular seal board 4, evenly install a plurality of threaded rods 7 on annular connecting plate 5's the roof, and the top of threaded rod 7 all runs through first annular seal board 4 and extends to the upside of first annular seal board 4, the equal threaded connection in top of every threaded rod 7 has fastening nut 8, can be convenient install first annular seal board 4 and dismantle, thereby be convenient for maintain first annular seal board 4, maintenance and change.
Evenly install a plurality of ring baffle on the diapire of first annular seal plate 4, set up on the roof of race 1 with ring baffle mutually supported's annular movable groove 10, every ring baffle's bottom all is equipped with ball 9, and ball 9's bottom all with the inboard diapire in annular movable groove 10 contact each other, can reduce the frictional force between ring baffle and the annular movable groove 10 inside wall.
The annular baffle includes annular fixed plate 11 of fixed mounting on 4 diapalls of first annular seal board and inserts annular expansion plate 12 of establishing on 11 diapalls of annular fixed plate, evenly on the lateral wall of annular expansion plate 12 around being equipped with spring 13, and spring 13's both ends respectively fixed mounting on annular fixed plate 11 and annular expansion plate 12, not only can make annular baffle's bottom contact with bearing race 1's top each other all the time, prevent debris entering bearing race 1's inboard, and can prevent that bearing shaft circle 2 from crushing annular baffle and bearing race 1 when the pressure is too big, and the practicality is good.
First annular seal plate 4 is kept away from on the diapire of bearing race 2 one end fixed mounting have second annular seal plate 14, and second annular seal plate 14 and bearing race 1 clearance fit, can be direct block most debris in the outside of bearing race 1 to can further prevent in the clearance between debris entering bearing race 1 and the bearing race 2.
The utility model discloses in, establish first annular seal plate 4 cover on the top of annular connecting plate 5, and make threaded rod 7 run through first annular seal plate 4 setting respectively, annular fixed plate 11 this moment, annular expansion plate 12 and ball 9 are located the annular movable groove 10 that corresponds respectively, and the bottom of ball 9 and the inboard diapire in annular movable groove 10 contact each other, then change tight every fastening nut 8 respectively and make fastening nut 8 and the roof in close contact with of first annular seal plate 4, just can be with first annular seal plate 4 fixed mounting on bearing race 2, just can be with the clearance seal between bearing race 1 and the bearing race 2, thereby can prevent that debris from getting into and damaging tapered roller 3 between bearing race 1 and the bearing race 2.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. The utility model provides a thrust tapered roller bearing that sealing performance is good, includes bearing race (1) and bearing race (2) of mutually supporting, evenly be provided with a plurality of tapered roller (3), its characterized in that between bearing race (1) and bearing race (2): the bearing seat ring is characterized in that a first annular sealing plate (4) is detachably mounted on the outer side wall of the top end of the bearing shaft ring (2), a plurality of annular baffles are uniformly mounted on the bottom wall of the first annular sealing plate (4), and annular movable grooves (10) matched with the annular baffles are formed in the top wall of the bearing seat ring (1).
2. The tapered roller thrust bearing with good sealing performance as claimed in claim 1, wherein: the bearing shaft ring (2) is in clearance fit with the bearing race (1) mutually, and the top end of the bearing shaft ring (2) is positioned on the upper side of the bearing race (1).
3. The tapered roller thrust bearing with good sealing performance as claimed in claim 1, wherein: fixed mounting has annular connecting plate (5) on the lateral wall of bearing race (2), set up on first annular seal board (4) spread groove (6) of mutually supporting with annular connecting plate (5), evenly install a plurality of threaded rods (7) on the roof of annular connecting plate (5), and the top of threaded rod (7) all runs through first annular seal board (4) and extends to the upside of first annular seal board (4), every the equal threaded connection in top of threaded rod (7) has fastening nut (8).
4. The tapered roller thrust bearing with good sealing performance as claimed in claim 1, wherein: every the bottom of annular baffle all is equipped with ball (9), and the bottom of ball (9) all contacts each other with the diapire of annular activity groove (10) inboard.
5. The tapered roller thrust bearing with good sealing performance as claimed in claim 1, wherein: the annular baffle comprises an annular fixed plate (11) fixedly mounted on the bottom wall of the first annular sealing plate (4) and an annular expansion plate (12) inserted on the bottom wall of the annular fixed plate (11), springs (13) are uniformly wound on the outer side wall of the annular expansion plate (12), and two ends of each spring (13) are respectively fixedly mounted on the annular fixed plate (11) and the annular expansion plate (12).
6. The tapered roller thrust bearing with good sealing performance as claimed in claim 1, wherein: and a second annular sealing plate (14) is fixedly mounted on the bottom wall of one end, far away from the bearing shaft ring (2), of the first annular sealing plate (4), and the second annular sealing plate (14) is in clearance fit with the bearing race ring (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920199234.1U CN209875724U (en) | 2019-02-15 | 2019-02-15 | Thrust tapered roller bearing with good sealing performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920199234.1U CN209875724U (en) | 2019-02-15 | 2019-02-15 | Thrust tapered roller bearing with good sealing performance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209875724U true CN209875724U (en) | 2019-12-31 |
Family
ID=68952639
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920199234.1U Expired - Fee Related CN209875724U (en) | 2019-02-15 | 2019-02-15 | Thrust tapered roller bearing with good sealing performance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209875724U (en) |
-
2019
- 2019-02-15 CN CN201920199234.1U patent/CN209875724U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200213 Address after: 116322 2102 diamond street, Wafangdian, Dalian, Liaoning Patentee after: WAFANGDIAN YUANDA BEARING MANUFACTURING Co.,Ltd. Address before: Room 522, floor 5, No.1, Gaoxin street, Dalian hi tech Industrial Park, Liaoning 116399 Patentee before: DALIAN ZHONGKE HECHUANG TECHNOLOGY ACCOMPLISHMENT TRANSFER CONVERSION CO.,LTD. |
|
| 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: 20191231 Termination date: 20220215 |