CN214837877U - Hub bearing unit adopting high-precision end-jumping turning process - Google Patents
Hub bearing unit adopting high-precision end-jumping turning process Download PDFInfo
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- CN214837877U CN214837877U CN202120437013.0U CN202120437013U CN214837877U CN 214837877 U CN214837877 U CN 214837877U CN 202120437013 U CN202120437013 U CN 202120437013U CN 214837877 U CN214837877 U CN 214837877U
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Abstract
The utility model relates to an adopt wheel hub bearing unit of high accuracy end skip car cutting technology, affiliated wheel hub bearing unit technical field, including the wheel hub ring flange, be equipped with the flange outer lane that cup joints mutually with the wheel hub ring flange on the wheel hub ring flange, be equipped with the inner circle that cup joints with the wheel hub ring flange looks inlay card formula between flange outer lane rear end and the wheel hub ring flange, between inner circle and flange outer lane rear end, all be equipped with the holder between wheel hub ring flange and flange outer lane front end, all be equipped with a plurality of steel balls that are equidistant annular and distribute in the holder. The hub flange comprises a hub flange rotating shaft body, the front part of the hub flange rotating shaft body is provided with a flange integrated with the hub flange rotating shaft body, and the front end of the flange is provided with a matching end face integrated with the flange. The device has the characteristics of simple structure, good operation stability and long service life. The problem of assembly cooperation deflection influence the end jump precision is solved. The defects of large tire rotation swing, large vehicle brake shake and large tire noise caused by low end jump precision are reduced.
Description
Technical Field
The utility model relates to a wheel hub bearing unit technical field, concretely relates to adopt wheel hub bearing unit of high accuracy end skip turning technology.
Background
The hub bearing unit is applied to the automobile hub shaft for bearing and providing accurate guide for the rotation of the hub, bears axial load and radial load, and is an important component of automobile load and rotation.
The flange plate matching installation surface of the original structure of the hub bearing unit is machined through a turning process, the matching surface of the flange plate matching installation surface is flat or concave, so that installation bolts connected with a flange plate (a rotor) and a rim of the hub bearing unit are in interference press-fitting and extrusion connection with inner holes of the flange plate through the outer diameter of knurling of the bolts, the knurling of the installation bolts extrudes materials in the inner holes of the flange plate in the press-fitting direction, the installation surface of the outer edge of the flange plate matched with a brake disc is caused to generate deformation in various shapes (such as the plane is wavy, convex and the like), the end jump precision is low when the flange plate of the hub bearing unit rotates, and the batch guarantee of the end jump precision is difficult to be less than or equal to 0.02 mm.
When the hub bearing unit with low end jump precision is installed on a vehicle to run, the rim and the tire rotate and swing greatly, so that the abnormal abrasion of the vehicle tire is fast, large tire noise is generated, the service life of the tire is prolonged, and the driving comfort is reduced. Meanwhile, when the end jump bad value is larger than 0.05mm, the vehicle shakes during braking, which seriously affects the controllability and safety.
Disclosure of Invention
The utility model discloses there is the not enough of operational stability difference and life weak point among the main prior art of solving, provides an adopt high accuracy end to jump the wheel hub bearing unit of turning technology, and it has simple structure, the good and long service life's of operational stability characteristics. The problem of assembly cooperation deflection influence the end jump precision is solved. The defects of large tire rotation swing, large vehicle brake shake and large tire noise caused by low end jump precision are reduced.
The above technical problem of the present invention can be solved by the following technical solutions:
the utility model provides an adopt wheel hub bearing unit of high accuracy end skip car cutting technology, includes the wheel hub ring flange, the wheel hub ring flange on be equipped with the flange outer lane that cup joints mutually with the wheel hub ring flange, flange outer lane rear end and wheel hub ring flange between be equipped with the inner circle that cup joints with the wheel hub ring flange formula of inlaying mutually, inner circle and flange outer lane rear end between, wheel hub ring flange and flange outer lane front end between all be equipped with the holder, the holder in all be equipped with a plurality of equidistant annular distribution and with the nested steel ball of holder mutually. The hub flange plate comprises a hub flange plate rotating shaft body, the front portion of the hub flange plate rotating shaft body is provided with a flange plate integrated with the hub flange plate rotating shaft body, and the front end of the flange plate is provided with a matching end face integrated with the flange plate.
Preferably, the matching end surface is a taper slope structure with an inner convex and an outer concave, and the height difference of the matching end surface is 0.01 mm-0.03 mm.
Preferably, the flange plate is provided with a plurality of bolts which are in penetrating type sleeve joint with the matching end surface.
Preferably, the rear end of the outer ring of the flange is provided with an ABS end cover, and a magnetic ring which is connected with the inner ring in a nested manner is arranged between the ABS end cover and the inner ring.
Preferably, a clamping support ring inserted with the ABS end cover is arranged between the front end of the ABS end cover and the flange outer ring.
Preferably, the rear end of the ABS end cover is provided with a dustproof cover which is inserted and embedded with the ABS end cover.
Preferably, a multi-lip framework sealing ring is arranged between the front end of the flange outer ring and the hub flange.
Preferably, the front end of the hub flange rotating shaft body is provided with a front light weight cavity, and the rear end of the hub flange rotating shaft body is provided with a rear light weight cavity.
The utility model discloses can reach following effect:
the utility model provides an adopt wheel hub bearing unit of high accuracy end skip car cutting technology compares with prior art, has simple structure, operating stability good and long service life's characteristics. The problem of assembly cooperation deflection influence the end jump precision is solved. The defects of large tire rotation swing, large vehicle brake shake and large tire noise caused by low end jump precision are reduced.
Drawings
Fig. 1 is a structural sectional view of the present invention.
Fig. 2 is a structural section view of the hub flange plate of the present invention.
In the figure: the anti-dust wheel hub comprises a dust cover 1, a clamping support ring 2, a flange outer ring 3, a retainer 4, a steel ball 5, a bolt 6, a hub flange 7, a multi-lip framework sealing ring 8, an inner ring 9, a magnetic ring 10, an ABS end cover 11, a rear light-weight cavity 12, a hub flange rotating shaft body 13, a flange 14, a matching end face 15 and a front light-weight cavity 16.
Detailed Description
The technical solution of the present invention is further specifically described below by way of examples and with reference to the accompanying drawings.
Example (b): as shown in fig. 1 and 2, a hub bearing unit adopting a high-precision end skip turning process includes a hub flange 7, a flange outer ring 3 sleeved with the hub flange 7 is arranged on the hub flange 7, an ABS end cap 11 is arranged at the rear end of the flange outer ring 3, and a magnetic ring 10 nested with an inner ring 9 is arranged between the ABS end cap 11 and the inner ring 9. A clamping support ring 2 which is inserted and embedded with the ABS end cover 11 is arranged between the front end of the ABS end cover 11 and the flange outer ring 3. The rear end of the ABS end cover 11 is provided with a dustproof cover 1 which is inserted and embedded with the ABS end cover 11. An inner ring 9 which is in clamping and sleeving connection with the hub flange 7 is arranged between the rear end of the flange outer ring 3 and the hub flange 7, and a multi-lip framework sealing ring 8 is arranged between the front end of the flange outer ring 3 and the hub flange 7. Retainers 4 are arranged between the inner ring 9 and the rear end of the flange outer ring 3 and between the hub flange 7 and the front end of the flange outer ring 3, and 8 steel balls 5 which are distributed annularly at equal intervals and are nested with the retainers 4 are arranged in the retainers 4. The hub flange 7 comprises a hub flange rotating shaft body 13, a front light weight cavity 16 is arranged at the front end of the hub flange rotating shaft body 13, and a rear light weight cavity 12 is arranged at the rear end of the hub flange rotating shaft body 13. The front part of the hub flange rotating shaft body 13 is provided with a flange 14 integrated with the hub flange rotating shaft body 13, and the flange 14 is provided with 3 bolts 6 which are in through type sleeve joint with the matching end surface 15. The front end of the flange 14 is provided with a matching end face 15 integrated with the flange 14. The matching end face 15 is of an inward convex and outward concave taper type slope structure, and the height difference of the matching end face 15 is 0.015 mm.
In conclusion, the hub bearing unit adopting the high-precision end-jump turning process has the characteristics of simple structure, good running stability and long service life. The problem of assembly cooperation deflection influence the end jump precision is solved. The defects of large tire rotation swing, large vehicle brake shake and large tire noise caused by low end jump precision are reduced.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without deviating from the basic characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
In conclusion, the above description is only the specific embodiment of the present invention, but the structural features of the present invention are not limited thereto, and any person skilled in the art can make changes or modifications within the scope of the present invention.
Claims (6)
1. The utility model provides an adopt wheel hub bearing unit of high accuracy end skip car cutting technology which characterized in that: comprises a hub flange plate (7), a flange outer ring (3) sleeved with the hub flange plate (7) is arranged on the hub flange plate (7), an inner ring (9) which is in clamping and sleeving connection with the hub flange plate (7) is arranged between the rear end of the flange outer ring (3) and the hub flange plate (7), retainers (4) are respectively arranged between the inner ring (9) and the rear end of the flange outer ring (3) and between the hub flange plate (7) and the front end of the flange outer ring (3), a plurality of steel balls (5) which are distributed annularly at equal intervals and are nested with the retainer (4) are arranged in the retainer (4), an ABS end cover (11) is arranged at the rear end of the flange outer ring (3), a magnetic ring (10) which is connected with the inner ring (9) in a nested manner is arranged between the ABS end cover (11) and the inner ring (9), a clamping support ring (2) which is inserted and embedded with the ABS end cover (11) is arranged between the front end of the ABS end cover (11) and the flange outer ring (3); the hub flange (7) comprises a hub flange rotating shaft body (13), a flange (14) integrated with the hub flange rotating shaft body (13) is arranged at the front part of the hub flange rotating shaft body (13), and a matching end face (15) integrated with the flange (14) is arranged at the front end of the flange (14).
2. The hub bearing unit according to claim 1, wherein the hub bearing unit comprises: the matching end surface (15) is of an inward convex and outward concave taper type slope surface structure, and the height difference of the matching end surface (15) is 0.01-0.03 mm.
3. The hub bearing unit according to claim 2, wherein the hub bearing unit comprises: and a plurality of bolts (6) which are in through-type sleeve joint with the matching end surface (15) are arranged on the flange plate (14).
4. The hub bearing unit according to claim 1, wherein the hub bearing unit comprises: the rear end of the ABS end cover (11) is provided with a dustproof cover (1) which is inserted and embedded with the ABS end cover (11).
5. The hub bearing unit according to claim 1, wherein the hub bearing unit comprises: a multi-lip framework sealing ring (8) is arranged between the front end of the flange outer ring (3) and the hub flange plate (7).
6. The hub bearing unit according to claim 1, wherein the hub bearing unit comprises: the front end of the hub flange rotating shaft body (13) is provided with a front light-weight cavity (16), and the rear end of the hub flange rotating shaft body (13) is provided with a rear light-weight cavity (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120437013.0U CN214837877U (en) | 2021-03-01 | 2021-03-01 | Hub bearing unit adopting high-precision end-jumping turning process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120437013.0U CN214837877U (en) | 2021-03-01 | 2021-03-01 | Hub bearing unit adopting high-precision end-jumping turning process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214837877U true CN214837877U (en) | 2021-11-23 |
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ID=78884324
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120437013.0U Active CN214837877U (en) | 2021-03-01 | 2021-03-01 | Hub bearing unit adopting high-precision end-jumping turning process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214837877U (en) |
-
2021
- 2021-03-01 CN CN202120437013.0U patent/CN214837877U/en active Active
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