CN216842668U

CN216842668U - Hub bearing convenient to install and fix

Info

Publication number: CN216842668U
Application number: CN202220506554.9U
Authority: CN
Inventors: 李雪芬
Original assignee: Individual
Current assignee: Taizhou Qingwen Machinery Co ltd
Priority date: 2022-03-10
Filing date: 2022-03-10
Publication date: 2022-06-28
Anticipated expiration: 2032-03-10

Abstract

The utility model relates to a wheel hub bearing technical field discloses a wheel hub bearing convenient to installation is fixed, including bearing inner sleeve, first bearing overcoat and second bearing overcoat, the outer lane middle part of bearing inner sleeve is provided with spacing protruding loopy, the both sides that the outer lane of bearing inner sleeve is located spacing protruding loopy all are provided with holder, both sides the inside of holder all is provided with a plurality of rolling elements. The utility model discloses in, establish the both sides at the bearing endotheca with holder, rolling element cover, establish first bearing overcoat and second bearing overcoat cover in the bearing both sides, and get up the holder of both sides, rolling element parcel, and place the packing ring between first bearing overcoat and second bearing overcoat after, and then can utilize the bolt to link to each other second flange and third flange to can realize the installation of this wheel hub bearing, the design of less structure, make this wheel hub bearing installation fixed step few, the installation is convenient.

Description

Hub bearing convenient to install and fix

Technical Field

The utility model relates to a wheel hub bearing technical field especially relates to a wheel hub bearing convenient to installation is fixed.

Background

The hub bearing mainly has the functions of bearing and providing accurate guide for the rotation of a hub, bears axial load and radial load, and is a very important part, the traditional bearing for the automobile wheel is formed by combining two sets of tapered roller bearings or ball bearings, the installation, oil coating, sealing and clearance adjustment of the bearing are all carried out on an automobile production line, a hub bearing unit is developed on the basis of a standard angular contact ball bearing and a tapered roller bearing, the two sets of bearings are integrated, and the hub bearing unit has the advantages of good assembly performance, capability of omitting clearance adjustment, light weight, compact structure, large load capacity, free maintenance and the like, is widely applied to cars, and has the trend of gradually expanding application in trucks.

Chinese patent document publication No. CN213451330U provides a hub bearing, which comprises a flange inner ring and a flange outer ring, wherein a raceway is formed between the flange inner ring and the flange outer ring, steel balls are arranged in the raceway in a rolling manner, an annular cavity is formed in the hollow arrangement of the flange inner ring, a sealing cover for sealing the annular cavity is arranged at an opening of the annular cavity, an elastic sealing ring with a bow-shaped section is arranged at one end, extending into the annular cavity, of the sealing cover, the elastic sealing ring comprises a vertical supporting part and a transverse abutting part which are connected, the vertical supporting part is bent to form an elastic supporting arc surface, one surface of the transverse abutting part is tightly attached to the inner wall of the annular cavity, the other surface of the transverse abutting part abuts against the outer surface of the sealing cover to form the sealing inside of the annular cavity, the flange inner ring is arranged in a hollow manner, so that the cost of metal materials during manufacturing is reduced, and the transmission efficiency of the hub bearing is improved, the strength of the flange inner ring of the hub bearing is high, the sealing performance is good, but the hub bearing has the defects that the number of structural parts is large, the installation and the fixation are complex and inconvenient, and the stability of the hub bearing in long-term use is reduced due to the design of a complex structure.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that exists among the prior art, and the wheel hub bearing convenient to installation is fixed that provides.

In order to realize the purpose, the utility model adopts the following technical scheme: the utility model provides a wheel hub bearing convenient to installation is fixed, includes bearing inner race, first bearing overcoat and second bearing overcoat, the outer lane middle part of bearing inner race is provided with spacing protruding circle, the both sides that the outer lane of bearing inner race is located spacing protruding circle all are provided with holder, both sides the inside of holder all is provided with a plurality of rolling elements, first bearing overcoat and second bearing overcoat are established respectively in the outer lane both sides of bearing inner race, and both sides holder, rolling element are located the bearing inner race respectively and first bearing overcoat and the bearing inner race and the second bearing overcoat between the clearance, the one end that first bearing overcoat is close to the second bearing overcoat is provided with the second flange, the one end that the second bearing overcoat is close to first bearing overcoat is provided with the third flange, link to each other through the bolt between second flange and the third flange.

As a further description of the above technical solution:

and an installation cavity is arranged in the bearing inner sleeve.

As a further description of the above technical solution:

and a first flange is arranged at one end, far away from the third flange, of the first bearing outer sleeve.

As a further description of the above technical solution:

and a gasket is arranged between the second flange and the third flange.

As a further description of the above technical solution:

one side of the outer ring of the bearing inner sleeve, which is close to the first bearing outer sleeve, is fixedly connected with a first sealing rubber ring, and one side of the outer ring of the bearing inner sleeve, which is close to the second bearing outer sleeve, is fixedly connected with a second sealing rubber ring.

As a further description of the above technical solution:

the outer ring of the first sealing rubber ring is provided with a first adaptive sealing rubber ring, and the outer ring of the first adaptive sealing rubber ring is fixedly connected to the position corresponding to the inner ring of the first bearing outer sleeve.

As a further description of the above technical solution:

and the outer ring of the second sealing rubber ring is provided with a second adaptive sealing rubber ring, and the outer ring of the second adaptive sealing rubber ring is fixedly connected to the corresponding position of the inner ring of the second bearing outer sleeve.

The utility model discloses following beneficial effect has:

the utility model discloses in, establish the outer lane both sides at the bearing endotheca with holder, rolling element difference cover, and then establish the outer lane both sides at the bearing endotheca with first bearing overcoat and second bearing overcoat cover, and get up the holder of both sides, rolling element parcel, and place the packing ring between first bearing overcoat and second bearing overcoat after, and then can utilize the bolt to link to each other second flange and third flange to can realize the installation of this wheel hub bearing, the design of less structure, make this wheel hub bearing installation fixed step few, it is convenient to install.

Drawings

Fig. 1 is an internal schematic view of a hub bearing convenient to mount and fix according to the present invention;

fig. 2 is an enlarged view of a point a in fig. 1.

Illustration of the drawings:

1. a bearing inner sleeve; 2. a mounting cavity; 3. a limit raised ring; 4. a first sealing rubber ring; 5. a second sealing rubber ring; 6. a first bearing outer sleeve; 7. a first flange; 8. a second flange; 9. a first adaptive sealing rubber ring; 10. a second bearing housing; 11. a third flange; 12. a second adaptive sealing rubber ring; 13. a holder; 14. a rolling body; 15. a gasket.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", 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 referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, 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.

Referring to fig. 1-2, the present invention provides an embodiment: a hub bearing convenient to mount and fix comprises a bearing inner sleeve 1, a first bearing outer sleeve 6 and a second bearing outer sleeve 10, wherein a limiting raised ring 3 is arranged in the middle of the outer ring of the bearing inner sleeve 1, retainers 13 are respectively arranged on two sides, located on the limiting raised ring 3, of the outer ring of the bearing inner sleeve 1, a plurality of rolling bodies 14 are respectively arranged inside the retainers 13 on two sides, the first bearing outer sleeve 6 and the second bearing outer sleeve 10 are respectively sleeved on two sides of the outer ring of the bearing inner sleeve 1, the retainers 13 on two sides and the rolling bodies 14 are respectively located in gaps between the bearing inner sleeve 1 and the first bearing outer sleeve 6 and between the bearing inner sleeve 1 and the second bearing outer sleeve 10, a second flange 8 is arranged at one end, close to the second bearing outer sleeve 10, of the second bearing outer sleeve 10 is provided with a third flange 11, the second flange 8 is connected with the third flange 11 through bolts, the retainer 13 and the rolling bodies 14 are respectively sleeved on two sides of the outer ring of the bearing inner sleeve 1, the first bearing outer sleeve 6 and the second bearing outer sleeve 10 are sleeved on two sides of the outer ring of the bearing inner sleeve 1, the retainer 13 and the rolling bodies 14 on two sides are wrapped, the gasket 15 is placed between the first bearing outer sleeve 6 and the second bearing outer sleeve 10, the second flange 8 and the third flange 11 can be connected through bolts, and therefore the hub bearing can be installed.

The inner part of the bearing inner sleeve 1 is provided with an installation cavity 2, one end of the first bearing outer sleeve 6, which is far away from the third flange 11, is provided with a first flange 7, a gasket 15 is arranged between the second flange 8 and the third flange 11, one side of the outer ring of the bearing inner sleeve 1, which is close to the first bearing outer sleeve 6, is fixedly connected with a first sealing rubber ring 4, one side of the outer ring of the bearing inner sleeve 1, which is close to the second bearing outer sleeve 10, is fixedly connected with a second sealing rubber ring 5, the outer ring of the first sealing rubber ring 4 is provided with a first adaptive sealing rubber ring 9, the outer ring of the first adaptive sealing rubber ring 9 is fixedly connected at the corresponding position of the inner ring of the first bearing outer sleeve 6, the outer ring of the second sealing rubber ring 5 is provided with a second adaptive sealing rubber ring 12, the outer ring of the second adaptive sealing rubber ring 12 is fixedly connected at the corresponding position of the inner ring of the second bearing outer sleeve 10, in the installed hub bearing, the installation cavity 2 is used for installing the hub bearing on a shaft, the first flange 7 is used for being connected with a structure which needs to rotate relative to the first flange, the first sealing rubber ring 4 and the first adaptive sealing rubber ring 9, and the second sealing rubber ring 5 and the second adaptive sealing rubber ring 12 are used for sealing a clearance formed inside the hub bearing, and the smoothness of the use of the hub bearing is ensured.

The working principle is as follows: firstly, the retainer 13 and the rolling body 14 are respectively sleeved on two sides of the outer ring of the bearing inner sleeve 1, then the first bearing outer sleeve 6 and the second bearing outer sleeve 10 are sleeved on two sides of the outer ring of the bearing inner sleeve 1, the retainer 13 and the rolling body 14 on the two sides are wrapped, then the gasket 15 is arranged between the first bearing outer sleeve 6 and the second bearing outer sleeve 10, and then the second flange 8 and the third flange 11 can be connected by using bolts, so that the installation of the hub bearing can be realized, the design of a small structure is realized, the installation and fixing steps of the hub bearing are small, the installation is convenient, in the hub bearing after the installation is finished, the installation cavity 2 is used for installing the hub bearing on a shaft, the first flange 7 is used for connecting with a structure which needs to rotate relative to the hub bearing, the first sealing rubber ring 4 and the first adaptive sealing rubber ring 9, and the second sealing rubber ring 5 and the second adaptive sealing rubber ring 12 are used for sealing a clearance formed in the hub bearing, the smoothness of the use of the hub bearing is ensured.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a wheel hub bearing convenient to installation is fixed, includes bearing inner race (1), first bearing overcoat (6) and second bearing overcoat (10), its characterized in that: the middle part of the outer ring of the bearing inner sleeve (1) is provided with a limiting raised ring (3), the outer ring of the bearing inner sleeve (1) is positioned on two sides of the limiting raised ring (3) and is provided with a retainer (13), the inner parts of the retainers (13) on two sides are provided with a plurality of rolling bodies (14), the first bearing outer sleeve (6) and the second bearing outer sleeve (10) are respectively sleeved on two sides of the outer ring of the bearing inner sleeve (1), the retainers (13) and the rolling bodies (14) on two sides are respectively positioned in gaps between the bearing inner sleeve (1) and the first bearing outer sleeve (6) and between the bearing inner sleeve (1) and the second bearing outer sleeve (10), one end of the first bearing outer sleeve (6), which is close to the second bearing outer sleeve (10), is provided with a second flange (8), one end of the second bearing outer sleeve (10), which is close to the first bearing outer sleeve (6), is provided with a third flange (11), the second flange (8) is connected with the third flange (11) through bolts.

2. A hub bearing for facilitating mounting and fixing according to claim 1, wherein: and an installation cavity (2) is arranged in the bearing inner sleeve (1).

3. A hub bearing for facilitating mounting and fixing according to claim 1, wherein: and a first flange (7) is arranged at one end, far away from the third flange (11), of the first bearing outer sleeve (6).

4. A hub bearing for facilitating mounting and fixing according to claim 1, wherein: and a gasket (15) is arranged between the second flange (8) and the third flange (11).

5. A hub bearing for facilitating mounting and fixing according to claim 1, wherein: the bearing is characterized in that a first sealing rubber ring (4) is fixedly connected to one side, close to a first bearing outer sleeve (6), of the outer ring of the bearing inner sleeve (1), and a second sealing rubber ring (5) is fixedly connected to one side, close to a second bearing outer sleeve (10), of the outer ring of the bearing inner sleeve (1).

6. A hub bearing for facilitating mounting and fixing according to claim 5, wherein: the outer ring of the first sealing rubber ring (4) is provided with a first adaptive sealing rubber ring (9), and the outer ring of the first adaptive sealing rubber ring (9) is fixedly connected to the position corresponding to the inner ring of the first bearing outer sleeve (6).

7. A hub bearing for facilitating mounting and fixing according to claim 5, wherein: and a second adaptive sealing rubber ring (12) is arranged at the outer ring of the second sealing rubber ring (5), and the outer ring of the second adaptive sealing rubber ring (12) is fixedly connected to the corresponding position of the inner ring of the second bearing outer sleeve (10).