CN210461411U - Rolling bearing with good wear resistance - Google Patents

Abstract

The utility model discloses a better antifriction bearing of wearability, including bearing inner circle and bearing inner race, bearing inner circle and bearing inner race mutually support, are equipped with the holder between bearing inner circle and the bearing inner race, are equipped with a plurality of through-holes on the holder, are equipped with the rolling element in the through-hole, and the outside cover of bearing inner circle is equipped with solid fixed ring one, is equipped with solid fixed ring two on the inner wall of bearing inner race, and solid fixed ring two all is equipped with the annular groove with one side that solid fixed ring one is close to the rolling element, and the surface of annular groove and rolling element mutually supports, is equipped with wearing layer one. The utility model discloses a better antifriction bearing of wearability has improved the inside leakproofness of bearing, has avoided the foreign object to get into inside the bearing, and the rolling friction has not only taken place between interior outer lane of bearing, rolling element and the holder to the inside injected lubricating oil of bearing that simultaneously can be convenient, still can take place sliding friction, and then the problem of bearing internals wearing and tearing with higher speed.

Description

Rolling bearing with good wear resistance

Technical Field

The utility model relates to a bearing arrangement technical field, in particular to better antifriction bearing of wearability.

Background

The bearing is a part for fixing and reducing the friction coefficient of load in the process of mechanical transmission, or to say, when other parts move relatively to each other on a shaft, the bearing is a part which is used for reducing the friction coefficient in the process of power transmission and keeping the central position of the shaft fixed, the bearing is a light-weight part in modern mechanical equipment, the main function of the bearing is to support a mechanical rotating body and is used for reducing the friction coefficient of mechanical load in the process of transmission of the equipment, a certain gap is reserved between an upper sealing cover plate and a lower sealing cover plate of the bearing and a bearing inner ring mostly in the connection mode of the upper sealing cover plate and the lower sealing cover plate and the bearing inner ring for filling an oil film, the friction between the upper sealing cover plate and the lower sealing cover plate and the bearing inner ring is prevented, the sealing effect is achieved at the same time, the oil film is gradually reduced along with the increase of the service time, the trouble of injecting lubricating oil into the bearing is avoided, sliding friction also occurs, which accelerates wear of the internal parts of the bearing.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides a better antifriction bearing of wearability, the upper and lower sealed apron that can effectively solve the bearing in the background art leaves certain clearance mostly with the connected mode of bearing inner circle, be used for filling the oil film, prevent upper and lower sealed apron and bearing inner circle friction, reach sealed effect simultaneously, but along with the increase of live time, the oil film reduces gradually, can not reach sealed effect, it is troublesome to pour into lubricating oil into toward the bearing simultaneously, and at the bearing during operation, the bearing inner and outer lane, not only take place rolling friction between rolling element and the holder, still can take place sliding friction, and then the problem of bearing inner part's wearing and tearing has been accelerated.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a rolling bearing with better wear resistance comprises a bearing inner ring and a bearing outer ring, wherein the bearing inner ring and the bearing outer ring are matched with each other, a retainer is arranged between the bearing inner ring and the bearing outer ring, a plurality of through holes are formed in the retainer, rolling bodies are arranged in the through holes, a first fixing ring is sleeved outside the bearing inner ring, a second fixing ring is arranged on the inner wall of the bearing outer ring, annular grooves are formed in one sides, close to the rolling bodies, of the second fixing ring and one side, close to the first fixing ring, of each fixing ring, the annular grooves are matched with the outer surfaces of the rolling bodies, a first wear-resistant layer is arranged between each annular groove and the corresponding rolling body, an oil injection mechanism is arranged on the bearing inner ring, an upper sealing cover plate and a lower sealing cover plate are arranged between the bearing inner ring and the bearing, the upper sealing cover plate and the lower sealing cover plate are connected with the retainer through limiting mechanisms, the upper sealing cover plate and the lower sealing cover plate are connected with the bearing inner ring through sliding mechanisms, and the upper sealing cover plate and the lower sealing cover plate are in interference fit with the bearing outer ring.

Preferably, the oiling mechanism including set up in the annular cavity in the bearing inner race, the top of bearing inner race be equipped with oil pipeline one that the annular cavity is linked together, the top of bearing inner race be equipped with oil pipeline one matched with oiling mouth, solid fixed ring one is close to one side of rolling element be equipped with oil pipeline two that the annular cavity is linked together, just oil pipeline two runs through one of them wearing layer one.

Preferably, the limiting mechanism comprises a plurality of limiting grooves symmetrically arranged on one side, close to the upper sealing cover plate and the lower sealing cover plate, and limiting blocks matched with the limiting grooves are arranged on the retainer.

Preferably, the sliding mechanism comprises a plurality of sliding blocks arranged on the same side of the upper sealing cover plate and the lower sealing cover plate, an annular sliding groove matched with the sliding blocks is formed in the bearing inner ring, and the upper sealing cover plate and the lower sealing cover plate are connected with the bearing inner ring through a second wear-resistant layer.

Compared with the prior art, the utility model discloses following beneficial effect has: through the arranged oil injection mechanism, lubricating oil can be simply and conveniently injected into the bearing, the position of the retainer is limited through the matching action of the limiting mechanism and the retainer, so that the rolling body rolls between the bearing inner ring and the bearing outer ring instead of sliding, the rolling body stably rolls between the first fixing ring and the second fixing ring through the matching action of the first wear-resistant layer, the first fixing ring and the second fixing ring, the rolling body is prevented from shaking between the bearing inner ring and the bearing outer ring, the friction loss is reduced at the same time, the friction between the sealing cover plate and the bearing inner ring is reduced through the matching action of the upper sealing cover plate, the lower sealing cover plate and the sliding mechanism, the sealing performance is ensured at the same time, and dust and impurities are prevented from entering the bearing, the design is simple to operate, the design is reasonable, and the sealing performance inside the bearing is improved, the problem that foreign objects enter the bearing, lubricating oil can be conveniently injected into the bearing, rolling friction and sliding friction can be caused between the inner ring and the outer ring of the bearing, the rolling body and the retainer, and further the abrasion of parts inside the bearing is accelerated is solved.

Drawings

Fig. 1 is a schematic view of the whole structure of a rolling bearing with better wear resistance of the present invention;

fig. 2 is a schematic structural view of the rolling bearing retainer of the present invention with better wear resistance.

In the figure: 1. a bearing inner race; 2. a bearing outer race; 3. a holder; 4. a through hole; 5. a rolling body; 6. a first fixing ring; 7. a second fixing ring; 8. an annular groove; 9. a first wear-resistant layer; 10. an upper sealing cover plate; 11. a lower sealing cover plate; 12. an annular cavity; 13. a first oil conveying pipeline; 14. an oil injection nozzle; 15. a second oil conveying pipeline; 16. a limiting block; 17. a limiting groove; 18. an annular chute; 19. a slider; 20. and a second wear-resistant layer.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-2, a rolling bearing with better wear resistance comprises a bearing inner ring 1 and a bearing outer ring 2, the bearing inner ring 1 and the bearing outer ring 2 are matched with each other, a retainer 3 is arranged between the bearing inner ring 1 and the bearing outer ring 2, a plurality of through holes 4 are arranged on the retainer 3, rolling bodies 5 are arranged in the through holes 4, a first fixing ring 6 is sleeved outside the bearing inner ring 1, a second fixing ring 7 is arranged on the inner wall of the bearing outer ring 2, annular grooves 8 are respectively arranged on one sides of the second fixing ring 7 and the first fixing ring 6, which are close to the rolling bodies 5, the annular grooves 8 are matched with the outer surfaces of the rolling bodies 5, a first wear-resistant layer 9 is arranged between the annular grooves 8 and the rolling bodies 5, an oil injection mechanism is arranged on the bearing inner ring 1, an upper sealing cover plate 10 and a lower sealing cover plate 11 are arranged, the upper sealing cover plate 10 and the lower sealing cover plate 11 are both connected with the retainer 3 through a limiting mechanism, the upper sealing cover plate 10 and the lower sealing cover plate 11 are both connected with the bearing inner ring 1 through a sliding mechanism, and the upper sealing cover plate 10 and the lower sealing cover plate 11 are both in interference fit with the bearing outer ring 2;

the oil injection mechanism comprises an annular cavity 12 arranged in the bearing inner ring 1, the top end of the bearing inner ring 1 is provided with a first oil pipeline 13 communicated with the annular cavity 12, the top end of the bearing inner ring 1 is provided with an oil injection nozzle 14 matched with the first oil pipeline 13, one side of the first fixing ring 6 close to the rolling body 5 is provided with a second oil pipeline 15 communicated with the annular cavity 12, and the second oil pipeline 15 penetrates through one wear-resistant layer I9; the limiting mechanism comprises a plurality of limiting grooves 17 which are symmetrically arranged at one side of the upper sealing cover plate 10 and the lower sealing cover plate 11 close to each other, and a limiting block 16 matched with the limiting grooves 17 is arranged on the retainer 3; the sliding mechanism comprises a plurality of sliding blocks 19 arranged on the same side of the upper sealing cover plate 10 and the lower sealing cover plate 11, an annular sliding groove 18 matched with the sliding blocks 19 is arranged on the bearing inner ring 1, and the upper sealing cover plate 10 and the lower sealing cover plate 11 are connected with the bearing inner ring 1 through a second wear-resistant layer 20.

It should be noted that, the utility model relates to a rolling bearing with better wear resistance, when in use, the bearing inner ring 1 rotates, and then because the stopper 16 is blocked in the limiting groove 17, and then the retainer 3 is restricted and fixed, and then the rolling element 5 rolls between the first fixing ring 6 and the second fixing ring 7, and then because of the action of the first wear-resistant layer 9, the friction loss of the component is reduced, and simultaneously the bearing inner ring 1 rolls on one side of the upper sealing cover plate 10 and the lower sealing cover plate 11, and further because of the action of the second wear-resistant layer 20, the friction loss between the upper sealing cover plate 10 and the lower sealing cover plate 11 and the bearing inner ring 1 is reduced, and simultaneously the sliding block 19 slides in the annular sliding groove 18, and then the bearing inner ring 1 is restricted, the bearing inner ring 1 is prevented from moving up and down, and the sealing performance inside the bearing is ensured, when lubricating oil needs to be injected, and then the lubricating oil passes through oil pipeline one 13, and then lubricating oil gets into oil pipeline two 15 through annular cavity 12, and then lubricating oil gets into the bearing inside.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (4)

1. A better antifriction bearing of wearability which characterized in that: the bearing inner ring structure comprises a bearing inner ring (1) and a bearing outer ring (2), wherein the bearing inner ring (1) and the bearing outer ring (2) are matched with each other, a retainer (3) is arranged between the bearing inner ring (1) and the bearing outer ring (2), a plurality of through holes (4) are formed in the retainer (3), rolling bodies (5) are arranged in the through holes (4), a first fixing ring (6) is sleeved outside the bearing inner ring (1), a second fixing ring (7) is arranged on the inner wall of the bearing outer ring (2), one side, close to the rolling bodies (5), of the second fixing ring (7) and one side, close to the rolling bodies (5), of the first fixing ring (6) are provided with an annular groove (8), the annular groove (8) and the outer surface of the rolling bodies (5) are matched with each other, a first wear-resistant layer (9) is arranged between the annular groove (8), bearing inner race (1) with be equipped with upper seal apron (10) and lower seal apron (11) between bearing outer lane (2), just holder (3) are located upper seal apron (10) with between lower seal apron (11), upper seal apron (10) with lower seal apron (11) all through stop gear with holder (3) are connected, upper seal apron (10) with lower seal apron (11) all through slide mechanism with bearing inner race (1) are connected, upper seal apron (10) with lower seal apron (11) all with bearing outer lane (2) interference fit.

2. The rolling bearing with better wear resistance according to claim 1, wherein: oiling mechanism including set up in annular cavity (12) in bearing inner race (1), the top of bearing inner race (1) be equipped with oil pipeline one (13) that annular cavity (12) are linked together, the top of bearing inner race (1) be equipped with oil pipeline one (13) matched with glib talker (14), solid fixed ring one (6) are close to one side of rolling element (5) be equipped with oil pipeline two (15) that annular cavity (12) are linked together, just one of them is run through in oil pipeline two (15) wearing layer one (9).

3. The rolling bearing with better wear resistance according to claim 1, wherein: the limiting mechanism comprises a plurality of limiting grooves (17) which are symmetrically arranged on one side, close to the upper sealing cover plate (10) and the lower sealing cover plate (11), of the lower sealing cover plate, and limiting blocks (16) matched with the limiting grooves (17) are arranged on the retainer (3).

4. The rolling bearing with better wear resistance according to claim 1, wherein: the sliding mechanism comprises a plurality of sliding blocks (19) arranged on the same side of the upper sealing cover plate (10) and the lower sealing cover plate (11), annular sliding grooves (18) matched with the sliding blocks (19) are formed in the bearing inner ring (1), and the upper sealing cover plate (10) and the lower sealing cover plate (11) are connected with the bearing inner ring (1) through a second wear-resistant layer (20).

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