CN220668160U - Compact type sealing hub unit - Google Patents
Compact type sealing hub unit Download PDFInfo
- Publication number
- CN220668160U CN220668160U CN202322476009.7U CN202322476009U CN220668160U CN 220668160 U CN220668160 U CN 220668160U CN 202322476009 U CN202322476009 U CN 202322476009U CN 220668160 U CN220668160 U CN 220668160U
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- Prior art keywords
- ring
- groove
- bearing inner
- inner ring
- bearing
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- 238000007789 sealing Methods 0.000 title claims abstract description 62
- 238000010073 coating (rubber) Methods 0.000 claims description 7
- 229920001971 elastomer Polymers 0.000 claims description 5
- 229920000459 Nitrile rubber Polymers 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 239000000428 dust Substances 0.000 abstract description 5
- 238000005457 optimization Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- Rolling Contact Bearings (AREA)
Abstract
The utility model discloses a compact sealing hub unit which comprises a flange mandrel, a small shaft groove, a small conical guide groove, a large shaft groove, a large arc guide groove, a bearing inner ring block, a positioning ring groove, a small angle bearing inner ring, a bearing outer ring, an annular roller path, a roller, a right sealing ring, a left sealing ring, a branch sealing skirt and an encapsulated magnetic ring. The utility model can effectively improve the sealing performance of the hub unit, dust is not easy to enter between the balls of the inner ring and the outer ring of the hub, the bearing performance of the hub bearing is high, and the service life of the hub unit is long.
Description
[ field of technology ]
The utility model relates to the technical field of hubs, in particular to the technical field of compact sealing hub units.
[ background Art ]
The automobile hub unit is one of the key parts of the automobile, and has the main functions of bearing weight and providing accurate guide for the rotation of the hub, and the automobile hub unit is required to bear axial load and radial load, and the bearing inner ring of the automobile hub bearing is mainly connected with the half shaft, and the bearing outer ring is connected with the automobile hub. The bearing inner ring is connected with the bearing outer ring through the balls, so that rotatable connection of the bearing inner ring and the bearing outer ring is realized, the ball structure is precise and needs to operate in a smooth environment, once dust enters between the balls, the balls are easy to damage, and the service life of an automobile hub unit is likely to be influenced.
[ utility model ]
The utility model aims to solve the problems in the prior art, and provides a compact sealing hub unit which can effectively improve the sealing performance of the hub unit, dust is not easy to enter between inner and outer ring balls of a hub, the bearing performance of a hub bearing is high, and the service life of the hub unit is long.
In order to achieve the above purpose, the utility model provides a compact sealing hub unit, which comprises a flange mandrel, a small shaft groove, a small conical guide groove, a large shaft groove, a large circular arc guide groove, a bearing inner ring block, a positioning ring groove, a small angle bearing inner ring, a bearing outer ring, an annular rollaway nest, a roller, a right sealing ring, a left sealing ring, a branch sealing skirt and a rubber coating magnetic ring, wherein the small shaft groove is arranged at the left end of the flange mandrel, the small conical guide groove is arranged at the bottom of the small shaft groove along the axial line, the large shaft groove is arranged at the right end of the flange mandrel, the large circular arc guide groove is arranged at the bottom of the large shaft groove along the axial line, the outer side wall right end of the flange mandrel is provided with a bearing inner ring block, the bearing inner ring block and the flange mandrel are of an integrated structure, the outer side wall right end ring of the flange mandrel is provided with the positioning ring groove, the small angle bearing inner ring is clamped in the positioning ring groove, the small angle bearing inner ring and the bearing inner ring block are symmetrically arranged at the left and right sides, the bearing outer ring is sleeved at the outer side of the flange mandrel, the bearing is uniformly distributed with the inner ring and the same as the annular ring, the inner ring is uniformly arranged with the annular sealing ring, and the outer ring is uniformly arranged at the left end and right sides of the sealing ring.
Preferably, a plurality of positioning threaded holes are uniformly and circumferentially formed in the right end flange plate of the flange mandrel.
Preferably, the encapsulated magnetic ring is formed by uniformly coating magnetic rubber on the surface of a stainless steel ring.
Preferably, the small shaft groove and the large shaft groove are cylindrical grooves, and the axes of the small shaft groove and the large shaft groove are positioned on the same straight line.
Preferably, the left sealing ring and the right sealing ring are nitrile rubber sealing rings, and the shape and the structure of the left sealing ring and the right sealing ring are the same.
Preferably, the diameter of the opening of the large arc guiding groove is the same as that of the small shaft groove, and the large arc guiding groove is a hemispherical smooth groove.
The utility model has the beneficial effects that: according to the utility model, the flange mandrel, the small shaft groove, the small conical guide groove, the large shaft groove, the large circular arc guide groove, the bearing inner ring block, the positioning ring groove, the small angular bearing inner ring, the bearing outer ring, the annular roller way, the roller, the right sealing ring, the left sealing ring, the branch sealing skirt and the rubber coating magnetic ring are combined together, through experimental optimization, the small shaft groove and the small conical guide groove are matched to position and install the small shaft end, the large shaft groove and the large circular arc guide groove are matched to position and rotate the large shaft end, the small angular bearing inner ring block arranged separately is used for limiting and clamping the roller from the left end, the bearing inner ring block is matched with the bearing inner ring block to limit and clamp the roller from the right end, the bearing inner ring block is used for improving the structural strength of the hub unit, the sealing ring and the rubber coating magnetic ring are matched to form a multiple elastic sealing structure, so that dust is not easy to enter between the balls of the inner ring and the outer ring of the hub unit, the bearing of the hub is high in bearing capacity, and the service life of the hub unit is long.
The features and advantages of the present utility model will be described in detail by way of example with reference to the accompanying drawings.
[ description of the drawings ]
FIG. 1 is a front cross-sectional view of a compact sealed hub unit in accordance with the present utility model;
fig. 2 is a schematic top view of a compact sealed hub unit of the present utility model.
In the figure: the flange comprises a 1-flange mandrel, a 2-small shaft groove, a 3-small conical guide groove, a 4-large shaft groove, a 5-large arc guide groove, a 6-bearing inner ring block, a 7-positioning ring groove, an 8-small angle bearing inner ring, a 9-bearing outer ring, a 10-annular roller path, 11-rollers, a 12-right sealing ring, a 13-left sealing ring, a 14-branch sealing skirt, a 15-encapsulated magnetic ring and a 16-positioning threaded hole.
[ detailed description ] of the utility model
Referring to fig. 1 and 2, the utility model relates to a compact sealing hub unit, which comprises a flange mandrel 1, a small shaft groove 2, a small conical guide groove 3, a large shaft groove 4, a large arc guide groove 5, a bearing inner ring block 6, a positioning ring groove 7, a small angle bearing inner ring 8, a bearing outer ring 9, an annular rollaway nest 10, a roller 11, a right sealing ring 12, a left sealing ring 13, a branch sealing skirt 14 and an encapsulation magnetic ring 15, wherein the left end of the flange mandrel 1 is provided with the small shaft groove 2, the bottom of the small shaft groove 2 is provided with the small conical guide groove 3 along the axis, the right end of the flange mandrel 1 is provided with the large shaft groove 4, the bottom of the large shaft groove 4 is provided with the large arc guide groove 5 along the axis, the right end of the outer side wall of the flange mandrel 1 is provided with the bearing inner ring block 6, the bearing inner ring block 6 and the flange mandrel 1 are of an integrated structure, the right end ring of the outer side wall of the flange mandrel 1 is provided with a positioning ring groove 7, a small angle bearing inner ring 8 is clamped in the positioning ring groove 7, the small angle bearing inner ring 8 and a bearing inner ring block 6 are symmetrically arranged left and right, a bearing outer ring 9 is sleeved outside the flange mandrel 1, an annular roller path 10 is formed between the bearing outer ring 9 and the small angle bearing inner ring 8 and the bearing inner ring block 6 respectively, a plurality of rollers 11 are uniformly arranged in the annular roller path 10 in a surrounding manner, the rollers 11 in the same annular roller path 10 are connected through a retainer, a right sealing ring 12 is arranged between the right end of the bearing inner ring block 6 and the bearing outer ring 9, a left sealing ring 13 is arranged between the left end of the small angle bearing inner ring 8 and the bearing outer ring 9, a plurality of branch sealing skirts 14 are uniformly arranged on the outer side surface of the left sealing ring 13, a rubber-coated magnetic ring 15 is arranged on the outer side of the left sealing ring 13, the right end flange of the flange mandrel 1 is uniformly and circumferentially provided with a plurality of positioning threaded holes 16, the rubber coating magnetic ring 15 is formed by uniformly coating magnetic rubber on the surface of a stainless steel ring, the small shaft groove 2 and the large shaft groove 4 are cylindrical grooves, the axial leads of the small shaft groove 2 and the large shaft groove 4 are positioned on the same straight line, the left sealing ring 13 and the right sealing ring 12 are nitrile rubber sealing rings, the shape structures of the left sealing ring 13 and the right sealing ring 12 are the same, the opening diameter of the large arc guiding groove 5 is the same as the diameter of the small shaft groove 2, and the large arc guiding groove 5 is a hemispherical smooth groove.
According to the utility model, the flange mandrel 1, the small shaft groove 2, the small conical guide groove 3, the large shaft groove 4, the large circular arc guide groove 5, the bearing inner ring block 6, the positioning ring groove 7, the small angular bearing inner ring 8, the bearing outer ring 9, the annular roller path 10, the roller 11, the right sealing ring 12, the left sealing ring 13, the branch sealing skirt 14 and the rubber coating magnetic ring 15 are combined together, through experimental optimization, the small shaft groove 2 and the small conical guide groove 3 can be matched for positioning and mounting the small shaft end, the large shaft groove 4 and the large circular arc guide groove 5 can be matched for limiting and rotating the large shaft end for mounting, the small angular bearing inner ring 8 arranged separately is used for limiting and clamping the roller 11 from the left end, the bearing inner ring block 6 is matched for limiting and clamping the roller 11 from the right end, the bearing inner ring block 6 is used for improving the structural strength of the hub unit, the sealing ring and the rubber coating magnetic ring 15 are matched for forming a multiple elastic sealing structure through the auxiliary sealing skirt, the sealing performance of the hub unit is effectively improved, dust is not easy to enter between the balls of the hub inner ring and the outer ring, the hub bearing has high bearing performance, and the hub unit has long service life.
The above embodiments are illustrative of the present utility model, and not limiting, and any simple modifications of the present utility model fall within the scope of the present utility model.
Claims (6)
1. A compact sealed hub unit, characterized by: including flange dabber (1), little axle recess (2), little circular cone guiding groove (3), big axle recess (4), big circular arc guiding groove (5), bearing inner ring piece (6), locating ring groove (7), little angular bearing inner race (8), bearing outer race (9), annular raceway (10), roller (11), right sealing washer (12), left sealing washer (13), branch seal shirt rim (14) and rubber coating magnetic ring (15), the left end of flange dabber (1) is provided with little axle recess (2), the bottom of little axle recess (2) is provided with little circular cone guiding groove (3) along the axial lead position, the flange dabber (1) right-hand member is provided with big axial recess (4), the bottom of big axle recess (4) is provided with big circular arc guiding groove (5) along the axial lead position, the lateral wall right-hand member of flange dabber (1) is provided with bearing inner ring piece (6), bearing inner ring piece (6) and flange dabber (1) are integrative structure, the lateral wall right-hand member of flange (1) is equipped with locating ring groove (7), locating ring piece (7) are equipped with little angular bearing inner ring groove (8) and bearing inner ring groove (8), the novel small-angle bearing is characterized in that an annular roller path (10) is formed between the bearing outer ring (9) and the small-angle bearing inner ring (8) and the bearing inner ring block (6), a plurality of rollers (11) are uniformly arranged in the annular roller path (10) in a surrounding mode, the rollers (11) in the same annular roller path (10) are connected through a retainer, a right sealing ring (12) is arranged between the right end of the bearing inner ring block (6) and the bearing outer ring (9), a left sealing ring (13) is arranged between the left end of the small-angle bearing inner ring (8) and the bearing outer ring (9), a plurality of branch sealing skirt edges (14) are uniformly arranged on the outer side face of the left sealing ring (13), and a rubber-coated magnetic ring (15) is arranged on the outer side of the left sealing ring (13).
2. A compact sealed hub unit according to claim 1, wherein: a plurality of positioning threaded holes (16) are uniformly and circumferentially formed in the right end flange plate of the flange mandrel (1).
3. A compact sealed hub unit according to claim 1, wherein: the encapsulated magnetic ring (15) is formed by uniformly coating magnetic rubber on the surface of a stainless steel ring.
4. A compact sealed hub unit according to claim 1, wherein: the small shaft groove (2) and the large shaft groove (4) are cylindrical grooves, and the axial leads of the small shaft groove (2) and the large shaft groove (4) are positioned on the same straight line.
5. A compact sealed hub unit according to claim 1, wherein: the left sealing ring (13) and the right sealing ring (12) are nitrile rubber sealing rings, and the shape and the structure of the left sealing ring (13) and the right sealing ring (12) are the same.
6. A compact sealed hub unit according to claim 1, wherein: the diameter of the opening of the large arc guide groove (5) is the same as that of the small shaft groove (2), and the large arc guide groove (5) is a hemispherical smooth groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322476009.7U CN220668160U (en) | 2023-09-11 | 2023-09-11 | Compact type sealing hub unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322476009.7U CN220668160U (en) | 2023-09-11 | 2023-09-11 | Compact type sealing hub unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220668160U true CN220668160U (en) | 2024-03-26 |
Family
ID=90329960
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322476009.7U Active CN220668160U (en) | 2023-09-11 | 2023-09-11 | Compact type sealing hub unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220668160U (en) |
-
2023
- 2023-09-11 CN CN202322476009.7U patent/CN220668160U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |