CN220101805U - Hub bearing with combined outer ring flange structure - Google Patents
Hub bearing with combined outer ring flange structure Download PDFInfo
- Publication number
- CN220101805U CN220101805U CN202321760011.0U CN202321760011U CN220101805U CN 220101805 U CN220101805 U CN 220101805U CN 202321760011 U CN202321760011 U CN 202321760011U CN 220101805 U CN220101805 U CN 220101805U
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- Prior art keywords
- flange
- hub bearing
- outer ring
- raceway
- mounting groove
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- 238000007789 sealing Methods 0.000 claims abstract description 14
- 238000009434 installation Methods 0.000 claims description 12
- 238000010276 construction Methods 0.000 claims 3
- 239000000428 dust Substances 0.000 description 3
- 239000004519 grease Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Rolling Contact Bearings (AREA)
Abstract
The utility model relates to the field of vehicle hub bearings, and discloses a hub bearing with a combined outer ring flange structure, which comprises an outer ring, an inner ring and a flange, wherein the flange is connected with the outer ring, a rollaway nest is formed between the outer ring and the inner ring, a roller is arranged in the rollaway nest, one side of the outer ring is provided with a mounting groove, a positioning insert sleeve is arranged in the mounting groove, the positioning insert sleeve covers the outer ring and is positioned at the outer side of the rollaway nest, and sealing elements are arranged at the inner end and the outer end of the rollaway nest. The utility model can adapt to wheels with any size through the positioning insert sleeve, so that a large-sized wheel hub bearing can be configured for a large-sized vehicle using a small wheel, and meanwhile, enough space of a roller path on two sides of a roller is created, and a sealing element is arranged on one side of the wheel in the bearing unit, so that a bearing cover with a waterproof function is not required to be additionally arranged, and the cost is saved.
Description
Technical Field
The utility model relates to the field of vehicle hub bearings, in particular to a hub bearing with a combined outer ring flange structure.
Background
Hub bearings are one of the key components of automobiles, and their main functions are to carry weight and provide accurate guidance for the rotation of the wheel, not only to carry axial loads, but also to carry radial loads. For large vehicles, the vehicle has a large load, and a large-sized hub bearing is required to bear the axial load and the radial load of the large vehicle, and the large-sized hub bearing can meet the service life requirement. However, in the large-sized hub bearing, the circumference of the roller arrangement is also large, and the assembly inlet is larger than that of the small-sized hub bearing, so that the roller assembly of the large-sized hub bearing can be satisfied. In the prior art, the assembly inlet is formed at the outer ring end edge of the bearing, the outer ring end edge is provided with a circular positioning boss matched with a wheel center hole, the larger the circumference of the roller arrangement is, the larger the assembly inlet is, the larger the corresponding circular boss outer diameter is, and if the circular positioning boss is matched with the hub bearing, the larger the wheel is required to be replaced, so that the production cost of an automobile is increased.
In addition, in the prior art, the waterproof sealing assemblies cannot be arranged on two sides of the roller of the second-generation hub bearing unit, and the reason is that after the roller is installed on the raceway between the inner ring and the outer ring, no additional space is left on one side of the circular positioning boss, and the waterproof sealing assemblies cannot be placed due to space limitation, so that the waterproof is needed to be realized by press-fitting an additional hub waterproof cover on the wheel positioning bushing.
There is a need for a hub bearing that does not require replacement of the wheel, while ensuring that the bearing meets the load requirements for large vehicles, and that also meets the bearing life requirements.
Disclosure of Invention
Aiming at the defects in the prior art, the utility model provides a hub bearing with a combined outer ring flange structure.
The technical problems are solved, and the utility model is solved by the following technical scheme:
the utility model provides a hub bearing of combination formula outer lane flange structure, includes outer lane, inner circle and flange, and the flange is connected with the outer lane, forms the raceway between outer lane and the inner circle, is provided with the roller in the raceway, and the outer lane is provided with the mounting groove in flange one side, installs the location in the mounting groove and inlays the cover and closes outside the outer lane and lie in the outside of raceway, and both ends all are equipped with the sealing member in the raceway. The sealing element can play a role in sealing, and can form a seal for the roller in the roller path, so that water and dust are prevented from entering the roller part, the service life of the bearing is influenced, and meanwhile, the sealing element also has the function of preventing grease in the roller part from leaking. The positioning bushing can be adapted to wheels of any size, so that a large-sized wheel hub bearing can be configured for a large-sized vehicle using small wheels.
Preferably, the positioning insert comprises a connecting part connected with the outer ring and a boss part in the center, wherein the center of the boss part is hollowed out to form an installation inlet, and the boss part protrudes out of an installation surface of the flange, which is positioned at the installation inlet side. Through adopting above-mentioned technical scheme, solved the difficult problem that second generation hub bearing raceway can not place waterproof seal assembly in circular location boss side, both ends set up the sealing member, can save the use of waterproof bearing lid, practiced thrift the cost.
Preferably, the engagement portion of the positioning insert is connected with the flange, and the surface of the engagement portion on one side of the boss portion is flush with the mounting surface of the flange.
Preferably, the inner side surface of the connecting part of the positioning insert sleeve is fixedly connected with the bottom of the outer groove of the mounting groove. Because of the sealed connection, the positioning insert sleeve and the outer ring are sealed in the same way, and the functions of preventing water and dust and preventing grease of the roller part from leaking out are achieved.
Preferably, the outer ring is integrally formed with the flange. The integrated into one piece's setting for overall structure is compacter, in order to improve holistic structural strength.
Preferably, the mounting groove is located on the outer circumference of the raceway with respect to the raceway, with the central axis of the hub bearing as the axis. The purpose is to make the diameter of the installation inlet larger than the diameter of the roller path, so that the installation of the roller is facilitated.
Preferably, the outer ring is provided with a groove at one end far away from the flange, and a gear ring is sleeved outside the groove.
Preferably, the rollers are mounted in the raceways by cage.
The utility model has the remarkable technical effects due to the adoption of the technical scheme:
according to the size design of the positioning insert sleeve, the combined type outer ring flange is suitable for matching any hub bearing with any wheel with any size, and the diameter of a circular positioning boss on the assembling inlet side of the hub bearing roller is adjusted by using the combined type outer ring flange structure, so that the diameter of the circular positioning boss of the hub bearing is not limited by the circumferential size of the arrangement of the rollers, a heavy vehicle using a small wheel can also be matched with a large hub bearing unit, the cost required for replacing the wheel is saved, and the service life of the hub bearing of the vehicle is prolonged;
sufficient space for the roller path on both sides of the roller is created, so that the bearing unit is provided with a space for arranging a sealing element on one side of the wheel, and a bearing cover with waterproof function is not required to be additionally arranged, thereby saving the cost.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a front view of the present utility model;
FIG. 3 is a cross-sectional view of A-A of FIG. 2;
fig. 4 is a schematic structural view of a prior art hub bearing of comparative example 2.
The names of the parts indicated by the numerical reference numerals in the above drawings are as follows: wherein, 1, the outer ring; 11. a mounting groove; 12. a gear ring; 2. an inner ring; 3. a flange; 31. a mounting surface; 4. a raceway; 5. a roller; 6. positioning the insert sleeve; 61. a joint portion; 62. a boss portion; 621. installing an inlet; 7. a seal; 8. and a bearing cover.
Detailed Description
The present utility model will be described in further detail with reference to the accompanying drawings and examples.
Example 1
A hub bearing with a combined outer ring flange structure is shown in fig. 1-3, and comprises an outer ring 1, an inner ring 2 and a flange 3, wherein the flange 3 is connected with the outer ring 1. Preferably, the outer ring 1 and the flange 3 are integrally formed, and the integral structure is more compact due to the integrally formed arrangement, so that the integral structural strength is improved.
As shown in fig. 2 to 3, a raceway 4 is formed between the outer ring 1 and the inner ring 2, rollers 5 are provided in the raceway 4, and the rollers 5 are mounted in the raceway 4 via a cage. The outer ring 1 is provided with a mounting groove 11 on one side of the flange 3, a positioning insert 6 is mounted in the mounting groove 11, the positioning insert 6 covers the outer ring 1 and is positioned on the outer side of the rollaway nest 4, and the rollaway nest 4 is provided with sealing elements 7 at the inner end and the outer end.
The positioning insert 6 comprises a connecting part 61 connected with the outer ring 1 and a central boss part 62, the center of the boss part 62 is hollowed out to form an installation inlet 621, and the boss part 62 protrudes out of the installation surface 31 of the flange 3, which is positioned at the side of the installation inlet 621.
The engagement portion 61 of the positioning insert 6 is connected to the flange 3, and the surface of the engagement portion 61 on the boss portion 62 side is flush with the mounting surface 31 of the flange 3.
As shown in fig. 1, the inner side surface of the engagement portion 61 of the positioning insert 6 is fixedly connected with the outer groove bottom of the mounting groove 11. The manner of securing the connection includes, but is not limited to, interference connection, welding, and adhesion. By the sealed connection, the positioning insert 6 and the outer ring 1 are sealed in the same way, and the functions of preventing water and dust and preventing grease at the roller 5 from leaking out are achieved.
The mounting groove 11 is located on the outer circumference of the raceway 4 with respect to the raceway 4 about the central axis of the hub bearing. The mounting inlet 621 has a diameter larger than the diameter of the raceway 4, and serves to facilitate the mounting of the roller 5.
The outer ring 1 is provided with a groove at one end far away from the flange 3, and a gear ring 12 is sleeved outside the groove.
In this embodiment, the working principle of the hub bearing is identical to that of the conventional hub bearing, and the difference is that when the rollers 5 are installed, the rollers 5 are installed between the outer ring 1 and the inner ring 2, then the sealing elements 7 are arranged at two ends of the raceway 4, and the connecting portion 61 of the positioning insert 6 covers the installation groove 11 of the outer ring 1;
the wheel does not need to be replaced, but the positioning insert 6 can set the boss part 62 according to the corresponding wheel size, meanwhile, the size of the hub bearing is determined by the inner and outer sizes of the outer ring 1 and the inner ring 2, the positioning insert 6 is designed according to the size of the positioning insert 6, any hub bearing is matched with the wheel with any size, the diameter of the circular positioning boss on the side of the assembling inlet 621 of the hub bearing roller 5 is adjusted by using the structure of the combined outer ring flange, the diameter of the circular positioning boss of the hub bearing is not limited by the circumferential size of the arrangement of the rollers 5, and therefore, the purpose that a heavy vehicle using a small wheel can also be matched with a large hub bearing unit is achieved, the cost required for replacing the wheel is saved, and the service life of the hub bearing of the vehicle is prolonged.
Comparative example 2
The hub bearing with the combined outer ring flange structure comprises an outer ring 1, an inner ring 2 and a flange 3, wherein the flange 3 is connected with the outer ring 1, and a bearing cover 8 covering the outer ring 1. The assembly inlet is formed at the end edge of the outer ring 1 of the bearing, the end edge of the outer ring 1 is provided with a circular positioning boss matched with a wheel center hole, the larger the circumference of the arrangement of the rollers 5 is, the larger the assembly inlet is, the larger the outer diameter of the corresponding circular boss of the outer ring 1 is, and if the circular positioning boss is matched with the hub bearing, the larger the wheel is required to be replaced, so that the production cost of an automobile is increased.
The roller 5 is only provided with a waterproof sealing component on one side, and is waterproof on one side of the circular positioning boss through press fitting an additional bearing cover 8 on the wheel positioning inlay sleeve, so that the production cost is increased.
In the description of the present utility model, it should be understood that the terms "center," "length," "width," "thickness," "upper," "lower," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
In summary, the foregoing description is only of the preferred embodiments of the present utility model, and all equivalent changes and modifications made in accordance with the claims should be construed to fall within the scope of the utility model.
Claims (8)
1. The utility model provides a hub bearing of combination formula outer lane flange structure, includes outer lane (1), inner circle (2) and flange (3), and flange (3) are connected with outer lane (1), form raceway (4) between outer lane (1) and inner circle (2), are provided with roller (5), its characterized in that in raceway (4): the outer ring (1) is provided with a mounting groove (11) on one side of the flange (3), a positioning insert sleeve (6) is mounted in the mounting groove (11), the positioning insert sleeve (6) is covered outside the outer ring (1) and is positioned on the outer side of the rollaway nest (4), and sealing elements (7) are arranged at the inner end and the outer end of the rollaway nest (4).
2. The hub bearing of claim 1, wherein: the positioning insert sleeve (6) comprises a connecting portion (61) connected with the outer ring (1) and a boss portion (62) in the center, an installation inlet (621) is formed in the center of the boss portion (62) in a hollowed-out mode, and the boss portion (62) protrudes out of an installation surface (31) of the flange (3) located on the side of the installation inlet (621).
3. A hub bearing of a modular outer race flange construction according to claim 2, characterized in that: the connecting part (61) of the positioning inlay sleeve (6) is connected with the flange (3), and the surface of the connecting part (61) positioned on one side of the boss part (62) is flush with the mounting surface (31) of the flange (3).
4. A hub bearing of a modular outer race flange construction according to claim 2, characterized in that: the inner side surface of the connecting part (61) of the positioning inlay sleeve (6) is fixedly connected with the bottom of the outer groove of the mounting groove (11).
5. The hub bearing of claim 1, wherein: the outer ring (1) and the flange (3) are integrally formed.
6. A hub bearing of a modular outer race flange construction according to claim 3 wherein: the central shaft of the hub bearing is taken as the shaft, and the mounting groove (11) is positioned on the outer circumference of the raceway (4) relative to the raceway (4).
7. The hub bearing of claim 1, wherein: the outer ring (1) is provided with a groove at one end far away from the flange (3), and a gear ring (12) is sleeved outside the groove.
8. The hub bearing of claim 1, wherein: the rollers (5) are mounted in the raceways (4) by means of cages.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321760011.0U CN220101805U (en) | 2023-07-06 | 2023-07-06 | Hub bearing with combined outer ring flange structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321760011.0U CN220101805U (en) | 2023-07-06 | 2023-07-06 | Hub bearing with combined outer ring flange structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220101805U true CN220101805U (en) | 2023-11-28 |
Family
ID=88871014
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321760011.0U Active CN220101805U (en) | 2023-07-06 | 2023-07-06 | Hub bearing with combined outer ring flange structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220101805U (en) |
-
2023
- 2023-07-06 CN CN202321760011.0U patent/CN220101805U/en active Active
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |