CN216812547U - Automobile hub bearing with good rolling performance - Google Patents

Abstract

The utility model discloses an automobile hub bearing with good rolling performance, which comprises a bearing inner ring and a bearing outer ring, wherein the lower end of the bearing outer ring is provided with a first flange plate, the upper end of the bearing inner ring is provided with a second flange plate, the bearing inner ring is arranged inside the bearing outer ring, the inner side wall of the bearing outer ring is provided with a plurality of first wear-resistant bosses, the first wear-resistant bosses surround the inner side wall of the bearing outer ring, the first wear-resistant bosses are provided with chutes, the outer side wall of the bearing inner ring is provided with a plurality of second wear-resistant bosses, the second wear-resistant bosses are provided with a plurality of grooves, rolling bodies are arranged inside the grooves, the outer sides of the grooves are provided with limit blocks, the rolling bodies are exposed out of the limit blocks and contacted with the chutes, the rolling bodies are positioned in the grooves, the limit blocks limit the rolling bodies, and prevent the rolling bodies from rolling out of the grooves, the structure can effectively avoid the rolling body from moving between the inner ring and the outer ring, and ensure the stable rotation of the hub bearing.

Description

Automobile hub bearing with good rolling performance

Technical Field

The utility model relates to the technical field of hub bearings, in particular to an automobile hub bearing with good rolling performance.

Background

The automobile hub bearing is one of key parts of an automobile, the main functions of the automobile hub bearing are to bear weight and provide accurate guide for rotation of a hub, the automobile hub bearing is required to bear axial load and radial load, a bearing inner ring of the automobile hub bearing is mainly connected with a half shaft, and a bearing outer ring is connected with an automobile hub.

For example, the Chinese patent has the following patent numbers: 201910229330.0, the hub bearing comprises an inner ring, an outer ring and rolling bodies between the inner ring and the outer ring, a brake disc extending along the radial direction of the inner ring and used for cooperating with a brake caliper, and the brake disc and the inner ring are of an integral structure.

In the structure, the rolling bodies are steel balls, two groups of connected annular rolling bodies are arranged between the inner ring and the outer ring, the outer side of one group of the rolling bodies is provided with a retaining ring, and the other group of the rolling bodies is not provided with a structure. Therefore, the automobile hub bearing with good rolling performance is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an automobile hub bearing with good rolling performance so as to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides an automobile wheel hub bearing that roll performance is good, includes bearing inner race and bearing inner race, bearing inner race's lower extreme is equipped with first ring flange, bearing inner race's upper end is equipped with the second ring flange, bearing inner race installs in bearing inner race's inside, bearing inner race's inside wall is equipped with the first wear-resisting boss of a plurality of, first wear-resisting boss encircles in bearing inner race's inside wall, be equipped with the spout on the first wear-resisting boss, bearing inner race's lateral wall is equipped with the wear-resisting boss of a plurality of second, the wear-resisting boss of second corresponds with first wear-resisting boss, a plurality of recess has been seted up on the wear-resisting boss of second, the inside of recess is equipped with the rolling element, the outside of recess is equipped with the stopper, the rolling element exposes stopper and spout contact.

Preferably, the rolling bodies are steel balls.

Preferably, the upper side of the bearing outer ring is provided with a connecting sheet, the lower surface of the second flange plate is provided with an annular mounting body, annular grooves are respectively formed in the annular mounting body and the connecting sheet, and a wear-resistant ring is arranged in each annular groove.

Preferably, an oil filling port is arranged on the lower side of the bearing outer ring, a thread groove is formed in the first flange plate and corresponds to the oil filling port, a countersunk groove is formed in the lower side of the thread groove, a sealing screw is connected to the inner thread of the thread groove, and a nut of the sealing screw sinks into the countersunk groove.

Preferably, a sealing ring is arranged in the countersunk groove and is in close contact with the upper side of a nut of the sealing screw.

Preferably, a plurality of balls are arranged inside the groove, and the balls are located between the groove and the rolling body.

Preferably, the first flange plate and the second flange plate are respectively provided with four countersunk mounting holes, and mounting bolts are respectively inserted into the countersunk mounting holes.

Preferably, the number of the first wear-resistant bosses and the number of the second wear-resistant bosses are 3 respectively.

Compared with the prior art, the utility model has the beneficial effects that: the utility model provides a when automobile wheel hub bearing inner race that roll performance is good rotates relative bearing inner race, bearing inner race drives first wear-resisting boss and rotates, first wear-resisting boss drives the rolling element and rolls in the inside of recess, the rolling element is located the recess, the stopper is spacing to the rolling element, avoid the rolling element to roll out in by the recess, this kind of structure can effectually avoid the rolling element at the inner race, the drunkenness between the outer lane, guarantee that wheel hub bearing is rotatory steady, first wear-resisting boss and the wear-resisting boss of second possess the wearability, reduce the wearing and tearing between bearing inner race and the bearing inner race, guarantee automobile wheel hub bearing's life.

Drawings

FIG. 1 is a schematic sectional front view of the present invention;

FIG. 2 is a schematic perspective view of the present invention;

FIG. 3 is a schematic view of the bearing outer race structure of the present invention;

FIG. 4 is an enlarged view of the point A in FIG. 2;

fig. 5 is an enlarged schematic view of B in fig. 2.

In the figure: 1. a bearing inner race; 2. a bearing outer race; 3. a first flange plate; 4. a second flange plate; 5. a first wear-resistant boss; 6. a chute; 7. a groove; 8. a rolling body; 9. a limiting block; 10. connecting sheets; 11. an annular mounting body; 12. wear-resistant rings; 13. an oil filling port; 14. a thread groove; 15. a countersunk groove; 16. a seal screw; 17. a seal ring; 18. a ball bearing; 19. a countersunk mounting hole; 20. installing a bolt; 21. a second wear-resistant boss.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: an automobile hub bearing with good rolling performance comprises a bearing inner ring 1 and a bearing outer ring 2, wherein a first flange 3 is arranged at the lower end of the bearing outer ring 2, the first flange 3 is used for connecting an automobile hub, a second flange 4 is arranged at the upper end of the bearing inner ring 1, the second flange 4 is used for connecting an automobile cross shaft, the bearing inner ring 1 is arranged inside the bearing outer ring 2, a plurality of first wear-resistant bosses 5 are arranged on the inner side wall of the bearing outer ring 2, the first wear-resistant bosses 5 surround the inner side wall of the bearing outer ring 2, sliding grooves 6 are arranged on the first wear-resistant bosses 5, a plurality of second wear-resistant bosses 21 are arranged on the outer side wall of the bearing inner ring 1, the first wear-resistant bosses 5 and the second wear-resistant bosses 21 have wear resistance, the second wear-resistant bosses 21 correspond to the first wear-resistant bosses 5, and a plurality of grooves 7 are formed in the second wear-resistant bosses 21, recess 7's inside is equipped with rolling element 8, recess 7's the outside is equipped with stopper 9, rolling element 8 exposes stopper 9 and spout 6 contact, and rolling element 8 is arranged in recess 7, and stopper 9 carries on spacingly to rolling element 8, avoids rolling element 8 to roll out by in the recess 7, and during the use, the part that exposes of rolling element 8 contacts with spout 6, and when 2 relative bearing inner race 1 of bearing inner race rotated, bearing inner race 2 drove first wear-resisting boss 5 and rotates, and first wear-resisting boss 5 drove rolling element 8 and rolls in the inside of recess 7.

Particularly, the rolling body 8 is a steel ball, and the steel ball is high in hardness, good in wear resistance and high in practicability.

Particularly, the upside of bearing inner race 2 is equipped with connection piece 10, the lower surface of second ring flange 4 is equipped with annular installation body 11, be equipped with the ring channel on annular installation body 11 and the connection piece 10 respectively, be equipped with wear-resisting ring 12 in the ring channel, wear-resisting ring 12 possesses the wearability, during normal use, connection piece 10 and annular installation body 11 contact with wear-resisting ring 12 respectively, wear-resisting ring 12's settlement can effectually avoid external dust to enter into to bearing inner race 1 and bearing inner race 2 in the middle of, avoid dust to get into the rotational resistance between increase bearing inner race 1 and the bearing inner race 2, also play sealed effect to bearing inner race 1 and bearing inner race 2 simultaneously, avoid inside lubricating oil to flow out.

Specifically, the oil filling port 13 has been forced to seted up to the downside of bearing inner race 2, threaded groove 14 has been seted up on the first ring flange 3, threaded groove 14 corresponds with oil filling port 13, the downside of threaded groove 14 is equipped with countersunk groove 15, the inside threaded connection of threaded groove 14 has sealing screw 16, sealing screw 16's nut sinks in countersunk groove 15, rotates sealing screw 16, takes off sealing screw 16, then pours into appropriate amount of lubricating oil into threaded groove 14, and lubricating oil gets into in bearing inner race 1 and the bearing outer race 2 through threaded groove 14 and oil filling port 13, lubricates its inside rolling element 8, reduces the resistance when rotating relatively between bearing inner race 1 and the bearing outer race 2, pours sealing screw 16 into after the appropriate amount of lubricating oil, and easy operation is convenient, the maintenance and the maintenance of later stage of being convenient for.

Specifically, be equipped with sealing washer 17 in countersunk groove 15, sealing washer 17 and sealing screw 16's the nut upside in close contact with, sealing washer 17 is the rubber circle, with sealing screw 16 and thread groove 14 threaded connection together, and screw up sealing screw 16, impel sealing screw 16's nut and sealing washer 17 in close contact with, effectual improvement leakproofness avoids inside lubricating oil to flow out.

Specifically, a plurality of balls 18 are arranged inside the groove 7, the balls are located between the groove 7 and the rolling body 8, and the setting of the balls 18 can further reduce the rolling resistance between the rolling body 8 and the groove 7, thereby improving the practicability.

Specifically, four countersunk mounting holes 19 are respectively formed in the first flange plate 3 and the second flange plate 4, mounting bolts 20 are respectively inserted into the countersunk mounting holes 19, the first flange plate 3 is fixedly connected with a wheel hub, the second flange plate 4 is connected with a cross shaft of an automobile, and the countersunk mounting holes 19 are set, so that after the automobile wheel hub mounting structure is mounted, nuts of the mounting bolts 20 sink into the countersunk mounting holes 19.

Specifically, the number of the first wear-resistant bosses 5 and the number of the second wear-resistant bosses 21 are respectively 3, so that the stability of mutual rotation between the bearing inner ring 1 and the bearing outer ring 2 is ensured, and the practicability of the utility model is ensured.

The working principle is as follows: when the automobile hub bearing is used, the first flange plate 3 is connected with an automobile hub, the second flange plate 4 is connected with an automobile cross shaft, the exposed part of the rolling body 8 is in contact with the sliding groove 6, when the bearing outer ring 2 rotates relative to the bearing inner ring 1, the bearing outer ring 2 drives the first wear-resistant boss 5 to rotate, the first wear-resistant boss 5 drives the rolling body 8 to roll in the groove 7, the rolling body 8 is located in the groove 7, the limiting block 9 limits the rolling body 8, the rolling body 8 is prevented from rolling out of the groove 7, and the structure can effectively prevent the rolling body from jumping between the inner ring and the outer ring and ensure the stable rotation of the hub bearing.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (8)

1. The utility model provides a good automobile wheel hub bearing of rolling performance, includes bearing inner race (1) and bearing inner race (2), its characterized in that: the bearing comprises a bearing outer ring (2), and is characterized in that a first flange plate (3) is arranged at the lower end of the bearing outer ring (2), a second flange plate (4) is arranged at the upper end of the bearing inner ring (1), the bearing inner ring (1) is arranged in the bearing outer ring (2), a plurality of first wear-resistant bosses (5) are arranged on the inner side wall of the bearing outer ring (2), the first wear-resistant bosses (5) surround the inner side wall of the bearing outer ring (2), sliding grooves (6) are formed in the first wear-resistant bosses (5), a plurality of second wear-resistant bosses (21) are arranged on the outer side wall of the bearing inner ring (1), the second wear-resistant bosses (21) correspond to the first wear-resistant bosses (5), a plurality of grooves (7) are formed in the second wear-resistant bosses (21), rolling bodies (8) are arranged in the grooves (7), and limit blocks (9) are arranged on the outer sides of the grooves (7), the rolling body (8) exposes out of the limiting block (9) and contacts with the sliding groove (6).

2. The automobile hub bearing with good rolling performance according to claim 1, characterized in that: the rolling bodies (8) are steel balls.

3. A rolling performance-excellent automobile hub bearing according to claim 1, characterized in that: the bearing comprises a bearing outer ring (2), and is characterized in that a connecting sheet (10) is arranged on the upper side of the bearing outer ring (2), an annular mounting body (11) is arranged on the lower surface of the second flange plate (4), annular grooves are formed in the annular mounting body (11) and the connecting sheet (10) respectively, and a wear-resistant ring (12) is arranged in each annular groove.

4. The automobile hub bearing with good rolling performance according to claim 1, characterized in that: oil filler point (13) have been forced to seted up to the downside of bearing inner race (2), thread groove (14) have been seted up on first ring flange (3), thread groove (14) correspond with oil filler point (13), the downside of thread groove (14) is equipped with countersunk head groove (15), the internal thread of thread groove (14) is connected with sealing screw (16), the nut of sealing screw (16) sinks in countersunk head groove (15).

5. The automobile hub bearing with good rolling performance according to claim 4, characterized in that: and a sealing ring (17) is arranged in the countersunk head groove (15), and the sealing ring (17) is in close contact with the upper side of a nut of the sealing screw (16).

6. A rolling performance-excellent automobile hub bearing according to claim 1, characterized in that: a plurality of balls (18) are arranged in the groove (7), and the balls (18) are located between the groove (7) and the rolling body (8).

7. The automobile hub bearing with good rolling performance according to claim 1, characterized in that: four countersunk head mounting holes (19) are respectively formed in the first flange plate (3) and the second flange plate (4), and mounting bolts (20) are respectively inserted into the countersunk head mounting holes (19).

8. The automobile hub bearing with good rolling performance according to claim 1, characterized in that: the number of the first wear-resistant bosses (5) and the number of the second wear-resistant bosses (21) are respectively 3.

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