CN211693224U

CN211693224U - Novel automobile wheel hub bearing

Info

Publication number: CN211693224U
Application number: CN202020424661.8U
Authority: CN
Inventors: 陈秉艺; 胡永金
Original assignee: Taizhou Tenet Wheel Bearing Co ltd
Current assignee: Taizhou Tenet Wheel Bearing Co ltd
Priority date: 2020-03-30
Filing date: 2020-03-30
Publication date: 2020-10-16
Anticipated expiration: 2030-03-30

Abstract

The utility model provides an automobile wheel hub bearing belongs to auto-parts technical field. It has solved the current automobile wheel hub bearing rotation and has not steadily, problem that life is short. This novel automobile wheel hub bearing, bearing inner race components of a whole that can function independently are made, and this bearing inner race includes left race, right race, and left race, right race both relative axial are worn to locate the inboard of holder, and this left race, right race are supported in the inboard axial of holder and are leaned on the cooperation, are provided with respectively between left race, right race and the holder and prevent left race, the axial stop device that breaks away from in opposite directions of right race in the bearing outer lane. The utility model has the advantages of reasonable design, simple, assembly structure is stable, and bearing inner race relative rotation steadily cause wheel hub bearing overall structure stable, long service life.

Description

Novel automobile wheel hub bearing

Technical Field

The utility model belongs to the technical field of auto-parts, a novel automobile wheel hub bearing is related to.

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, Chinese patent numbers are: 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 brake disc and the inner ring are of an integrated structure, the brake disc and the inner ring are of a single inner ring structure, the rolling bodies cannot be conveniently rotated into the inner ring structure, and when the brake disc is used for a long time, the rolling bodies are slightly abraded when the rolling bodies are arranged between the inner ring and the outer ring in a rolling friction fit mode, the rolling bodies can move between the inner ring and the outer ring, so that the rotation of the hub bearing is not stable, and the service life is short.

Disclosure of Invention

The utility model aims at the above-mentioned problem that exists among the prior art, provide a convenient assembling, bearing inner race and bearing inner race relative rotation steady, long service life's novel automobile wheel hub bearing.

The purpose of the utility model can be realized by the following technical proposal: the utility model provides a novel automobile wheel hub bearing, includes bearing inner race and wears to locate the inboard bearing inner race of bearing inner race, bearing inner race's outer tip flange has, bearing inner race's lateral surface and bearing inner race's medial surface between be provided with the holder, the both ends of holder be provided with two sets of inner ring shape mounting grooves that correspond each other, outer ring shape mounting groove, inner ring shape mounting groove, outer ring shape mounting groove in all be provided with a plurality of steel balls, a serial communication port, bearing inner race components of a whole that can function independently make, this bearing inner race includes left race, right race, left race, right race both relative axial of both wearing to locate the inboard of holder, this left race, right race support the cooperation in the inboard axial of holder, left race, right race and holder between be provided with respectively and prevent left race, right race and prevent between both and the holder that left race, right race from the cooperation, And the right bearing ring is axially separated from the bearing outer ring in opposite directions.

The novel automobile hub bearing has the advantages that the bearing inner ring is manufactured in a split mode and is divided into the left bearing ring and the right bearing ring, the left bearing ring and the right bearing ring are assembled in the bearing outer ring in a penetrating mode in the axial direction, assembling is convenient, the limiting devices are arranged among the left bearing ring, the right bearing ring and the corresponding retainer, the left bearing ring and the right bearing ring can be effectively prevented from axially separating in the bearing outer ring in the opposite direction through the limiting devices, and steel balls in the retainer are not prone to jumping, shifting and separating through the accurate assembling positions of the left bearing ring and the right bearing ring; the bearing outer ring and the bearing inner ring rotate stably relatively, and the structural stability is high.

In foretell a novel automobile wheel hub bearing, stop device include that the inner wall of holder has interior annular collar, annular evagination ring in annular, the outer wall of left race ring on be provided with interior spacing groove, the outer wall of right race ring on be provided with outer spacing groove, when left race ring, right race ring two relative axial wear to locate the inboard of the holder of bearing inner race ring, the interior spacing groove and the interior annular collar screens cooperation of this left race ring, the outer spacing groove and the annular evagination ring screens cooperation of this right race ring. The purpose that sets up like this enables left race ring, right race ring both relatively comparatively stable axial to wear to locate the inboard of the holder of bearing inner race, can prevent effectively that left race ring, right race ring axial float, and structural stability is high, long service life.

In foretell a novel automobile wheel hub bearing, the place ahead of the interior spacing groove of left bearing circle set up toper boss one, toper boss one extend to the preceding cell wall of interior spacing groove, when left bearing circle and holder axial wear the assembly, this annular is interior protruding ring and toper boss axial to lean on shape to shift to block and be located interior spacing groove, the rear of the outer spacing groove of right bearing circle set up toper boss two, toper boss two extend to the back cell wall of outer spacing groove, when right bearing circle and holder axial wear the assembly, this annular is outer protruding ring and toper boss axial to lean on shape to shift to block and be located outer spacing groove. The retainer, the annular inner convex ring and the annular outer convex ring are of an integrated structure and are made of plastic materials, and the retainer, the annular inner convex ring and the annular outer convex ring can be slightly deformed through the characteristics of the materials.

In the novel automobile hub bearing, the retainer is manufactured in a split mode and comprises an inner retainer and an outer retainer, the inner annular containing groove is located in the inner retainer, the outer annular containing groove is located in the outer retainer, the annular inner convex ring is located in the inner retainer, and the annular outer convex ring is located in the outer retainer. During assembly, the inner holder and the outer holder are assembled on the inner side of the bearing outer ring, then the left bearing ring and the right bearing ring penetrate through the inner sides of the inner holder and the outer holder in the axial direction relatively, and the left bearing ring and the right bearing ring are axially abutted and matched on the inner side of the holder.

In the novel automobile hub bearing, a sealing ring is further arranged between the inner end part of the left bearing ring and the inner end part of the bearing outer ring, and dust covers for preventing the sealing ring from axially separating are further arranged on the inner end faces of the left bearing ring and the bearing outer ring. The purpose of setting up like this can effectively prevent that the sealing washer from breaking away from between the inner tip of left bearing circle and the inner tip of bearing inner race, and structural stability is high.

In foretell a novel automobile wheel hub bearing, the dust cover including the body that is the tube-shape, the outer end terminal surface of dust cover have inside upset and form to keep off and lean on the portion, the dust cover establish on the bearing outer lane, keep off and lean on an axial to keep off in the outer end of sealing washer and lean on the cooperation with the sealing washer axial. This is provided to facilitate the assembly of the dust boot on the bearing outer race.

In the novel automobile hub bearing, a gear ring is further arranged between the outer end part of the right bearing ring and the outer end part of the bearing outer ring, and an axial gear part for preventing the right bearing ring from axially shifting is further arranged on the end face of the outer end of the gear ring. The purpose that sets up like this can prevent effectively that right race from at the inboard axial float of outer holder, and structural stability is high.

Compared with the prior art, this novel automobile wheel hub bearing's advantage does: the hub bearing has the advantages of reasonable and simple structural design, convenience in assembly, stable relative rotation between the bearing outer ring and the bearing inner ring, stable overall structure of the hub bearing and long service life.

Drawings

Fig. 1 is a schematic sectional structure view of the novel automobile hub bearing.

Fig. 2 is an enlarged schematic view of a portion a in fig. 1.

Fig. 3 is an enlarged schematic view of a portion B in fig. 1.

In the figure, 1, a bearing outer ring; 2. a connecting flange; 3. steel balls; 4. a left bearing ring; 5. a right bearing ring; 6. an annular inner collar; 7. an annular convex ring; 8. an inner limiting groove; 9. an outer limiting groove; 10. a first conical boss; 11. a second conical boss; 12. an inner holder; 13. an external holding frame; 14. a seal ring; 15. a dust cover; 16. a blocking and leaning part; 17. a gear ring; 18. an axial stop portion.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in the figures 1, 2 and 3, the novel automobile hub bearing mainly comprises a bearing outer ring 1 and a bearing inner ring arranged on the inner side of the bearing outer ring 1 in a penetrating manner, the outer end part of the bearing outer ring 1 is provided with a connecting flange 2, a retainer is arranged between the outer side surface of the bearing inner ring and the inner side surface of the bearing outer ring 1, two ends of the retainer are provided with two groups of inner annular arranging grooves corresponding to each other, outer annular arranging grooves are formed in the outer ends of the bearing outer ring 1, a plurality of steel balls 3 are arranged in the inner annular arranging grooves and the outer annular arranging grooves respectively, the bearing inner ring is manufactured in a split manner, the bearing inner ring comprises a left bearing ring 4 and a right bearing ring 5, the left bearing ring 4 and the right bearing ring 5 are arranged on the inner side of the retainer in a relative axial penetrating manner, the left bearing ring 4 and the right bearing ring 5 are abutted against and matched on the inner side of the, And the right bearing ring 5 is a limiting device which is axially separated from the bearing outer ring 1 in opposite directions.

During actual manufacturing, the specific implementation mode of the limiting device is as follows: an annular inner convex ring 6 and an annular outer convex ring 7 are arranged on the inner wall of the retainer, an inner limiting groove 8 is arranged on the outer wall of the left bearing ring 4, an outer limiting groove 9 is arranged on the outer wall of the right bearing ring 5, when the left bearing ring 4 and the right bearing ring 5 are relatively and axially arranged on the inner side of the retainer of the bearing outer ring 1 in a penetrating manner, the inner limiting groove 8 of the left bearing ring 4 is in clamping fit with the annular inner convex ring 6, and the outer limiting groove 9 of the right bearing ring 5 is in clamping fit with the annular outer convex ring 7; specifically speaking: the place ahead of the interior spacing groove 8 of left bearing circle 4 sets up toper boss 10, toper boss 10 extends to the preceding cell wall of interior spacing groove 8, when left bearing circle 4 and holder axial wear to establish the assembly, this annular is interior protruding ring 6 and toper boss 10 axial to lean on shape shift to move the card and be located interior spacing groove 8, the rear of the outer spacing groove 9 of right bearing circle 5 sets up toper boss two 11, toper boss two 11 extends to the back cell wall of outer spacing groove 9, when right bearing circle 5 and holder axial wear to establish the assembly, this annular is outer protruding ring 7 and toper boss two 11 axial to lean on shape shift to move the card and be located outer spacing groove 9.

In actual manufacturing, the retainer is manufactured in a split manner and comprises an inner retainer 12 and an outer retainer 13, wherein an inner annular placing groove is formed in the inner retainer 12, an outer annular placing groove is formed in the outer retainer 13, an annular inner convex ring 6 is formed in the inner retainer 12, and an annular outer convex ring 7 is formed in the outer retainer 13.

During actual manufacturing, a sealing ring 14 is further arranged between the inner end part of the left bearing ring 4 and the inner end part of the bearing outer ring 1, and a dust cover 15 for preventing the sealing ring 14 from axially separating is further arranged on the end faces of the inner ends of the left bearing ring 4 and the bearing outer ring 1; specifically speaking: the dust cover 15 comprises a cylindrical body, the end face of the outer end of the dust cover 15 is provided with a blocking and leaning portion 16 which is turned inwards, the dust cover 15 is sleeved on the bearing outer ring 1, and the blocking and leaning portion 16 is axially blocked at the outer end of the sealing ring 14 and is axially abutted and matched with the sealing ring 14.

In actual manufacturing, a retainer ring 17 is further arranged between the outer end of the right bearing ring 5 and the outer end of the bearing outer ring 1, and an axial stop portion 18 for preventing the right bearing ring 5 from axially shifting is further provided on the end face of the outer end of the retainer ring 17.

Those not described in detail in this specification are within the skill of the art. The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims

1. A novel automobile hub bearing comprises a bearing outer ring (1) and a bearing inner ring penetrating through the inner side of the bearing outer ring (1), wherein the outer end part of the bearing outer ring (1) is provided with a connecting flange (2), a retainer is arranged between the outer side surface of the bearing inner ring and the inner side surface of the bearing outer ring (1), two ends of the retainer are provided with two groups of inner annular arranging grooves and outer annular arranging grooves which correspond to each other, a plurality of steel balls (3) are arranged in the inner annular arranging grooves and the outer annular arranging grooves respectively, the automobile hub bearing is characterized in that the bearing inner ring is manufactured in a split manner, the bearing inner ring comprises a left bearing ring (4) and a right bearing ring (5), the left bearing ring (4) and the right bearing ring (5) penetrate through the inner side of the retainer in the axial direction relative to each other, and the left bearing ring (4) and the right bearing ring (5) are axially abutted against and matched in, and limiting devices for preventing the left bearing ring (4) and the right bearing ring (5) from axially and oppositely separating in the bearing outer ring (1) are respectively arranged between the left bearing ring (4) and the retainer and between the right bearing ring (5) and the retainer.

2. The novel automobile hub bearing according to claim 1, wherein the limiting device comprises an inner annular convex ring (6) and an outer annular convex ring (7) which are arranged on the inner wall of the retainer, an inner limiting groove (8) is arranged on the outer wall of the left bearing ring (4), an outer limiting groove (9) is arranged on the outer wall of the right bearing ring (5), and when the left bearing ring (4) and the right bearing ring (5) axially penetrate through the inner side of the retainer of the bearing outer ring (1) relatively, the inner limiting groove (8) of the left bearing ring (4) is in clamping fit with the inner annular convex ring (6), and the outer limiting groove (9) of the right bearing ring (5) is in clamping fit with the outer annular convex ring (7).

3. A novel automobile hub bearing according to claim 2, characterized in that a first conical boss (10) is arranged in front of the inner limiting groove (8) of the left bearing ring (4), the first conical boss (10) extends to the front groove wall of the inner limiting groove (8), when the left bearing ring (4) and the retainer are axially assembled in a penetrating way, the annular inner convex ring (6) and the first conical boss (10) are axially abutted to form a displacement card and are positioned in the inner limiting groove (8), a second conical boss (11) is arranged behind the outer limit groove (9) of the right bearing ring (5), the second conical boss (11) extends to the rear groove wall of the outer limiting groove (9), when the right bearing ring (5) and the retainer are axially assembled in a penetrating way, the annular outer convex ring (7) and the second conical boss (11) are axially abutted to form a displacement card and are positioned in the outer limiting groove (9).

4. A novel automobile hub bearing according to claim 3, characterized in that the retainer is manufactured in a split manner, and comprises an inner retainer (12) and an outer retainer (13), the inner ring-shaped seating groove is located on the inner retainer (12), the outer ring-shaped seating groove is located on the outer retainer (13), the inner ring-shaped protrusion ring (6) is located on the inner retainer (12), and the outer ring-shaped protrusion ring (7) is located on the outer retainer (13).

5. A novel automobile hub bearing according to claim 4, characterized in that a sealing ring (14) is further arranged between the inner end of the left bearing ring (4) and the inner end of the bearing outer ring (1), and dust covers (15) for preventing the sealing ring (14) from axially separating are further arranged on the end faces of the inner ends of the left bearing ring (4) and the bearing outer ring (1).

6. The novel automobile hub bearing according to claim 5, characterized in that the dust cover (15) comprises a cylindrical body, the outer end face of the dust cover (15) is provided with a blocking and leaning portion (16) which is formed by inward turning, the dust cover (15) is sleeved on the bearing outer ring (1), and the blocking and leaning portion (16) is axially blocked at the outer end of the sealing ring (14) and is axially abutted to and matched with the sealing ring (14).

7. The novel automobile hub bearing according to claim 6, characterized in that a gear ring (17) is further arranged between the outer end of the right bearing ring (5) and the outer end of the bearing outer ring (1), and an axial gear portion (18) for preventing the right bearing ring (5) from axially shifting is further arranged on the end face of the outer end of the gear ring (17).