CN215720269U - Low-friction and high-sealing-performance hub bearing unit - Google Patents
Low-friction and high-sealing-performance hub bearing unit Download PDFInfo
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- CN215720269U CN215720269U CN202121823689.XU CN202121823689U CN215720269U CN 215720269 U CN215720269 U CN 215720269U CN 202121823689 U CN202121823689 U CN 202121823689U CN 215720269 U CN215720269 U CN 215720269U
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- hub bearing
- bearing unit
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- outer flange
- sealing performance
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Abstract
A hub bearing unit with low friction and high sealing performance. The problem that the contact surface of a sealing lip of an existing hub bearing and a magnetic ring can generate large friction force is mainly solved. The method is characterized in that: the outer flange axial is equipped with holding tank (11), the interior flange is located in the holding tank, the outer flange with be equipped with holder (3) between the interior flange, be equipped with rolling member (4) on the holder, the rolling member with outer flange roll cooperation, the rolling member with interior flange roll cooperation, be connected with wall seal complex cover (5) on the outer wall of outer flange circumference, the cover covers one side of holding tank. The utility model provides a hub bearing unit with low friction and high sealing performance, which reduces the friction force on one side and reduces the total friction force.
Description
Technical Field
The utility model relates to the field of hub bearing units, in particular to a hub bearing unit with low friction and high sealing performance.
Background
The energy conservation and emission reduction of the automobile become urgent under the influence of the control of carbon dioxide emission and the rising of oil price. The first countermeasure is to reduce the friction from the engine to all rotating parts of the tire, thereby reducing the running resistance. The hub bearing unit is the main component for supporting the tire to rotate, so how to reduce the internal friction is the main trend in development.
The main reason for the large influence of the friction torque of the hub bearing unit is the sealing mechanism, the traditional sealing mechanism is an assembly of a sealing ring and a magnetic ring, and when the hub bearing unit rotates, the contact surface of the sealing lip and the magnetic ring can generate large friction force.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the background art, the utility model provides a hub bearing unit with low friction and high sealing performance, and mainly solves the problem that the contact surface of a sealing lip and a magnetic ring of the conventional hub bearing can generate large friction force.
The technical scheme adopted by the utility model is as follows:
a hub bearing unit with low friction and high sealing performance comprises an outer flange and an inner flange, wherein the outer flange is axially provided with an accommodating groove, the inner flange is arranged in the accommodating groove, a retainer is arranged between the outer flange and the inner flange, a rolling element is arranged on the retainer, the rolling element is in rolling fit with the outer flange, the rolling element is in rolling fit with the inner flange,
the outer flange is connected with a cover sleeve with a wall in sealing fit on the circumferential outer wall, and the cover sleeve covers one side of the accommodating groove.
The sleeve cover comprises a cover plate and a ring body, a rubber sleeve is sleeved on the ring body, and the rubber sleeve is in sealing fit with the circumferential outer wall of the outer flange.
The rubber sleeve is made of vulcanized rubber.
The rubber sleeve is provided with a clamping groove, and one end of the ring body extends into the clamping groove to be matched with the clamping groove.
And a hollow groove is arranged between the inner wall of the outer flange and the outer wall of the inner flange, and a magnetic ring is arranged in the hollow groove.
The rolling member is a rolling ball.
The cover sleeve is made of a non-magnetic metal.
The utility model has the beneficial effects that: the utility model provides a hub bearing unit with low friction and high sealing performance, which reduces the friction force on one side and reduces the total friction force.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Fig. 2 is a partial structural diagram of an embodiment of the present invention.
Detailed Description
The utility model will be further described with reference to the accompanying drawings in which: as shown in the figure, a low friction, high sealing performance's wheel hub bearing unit, includes outer flange 1 and inner flange 2, outer flange axial is equipped with holding tank 11, the inner flange is located in the holding tank, outer flange with be equipped with holder 3 between the inner flange, be equipped with rolling member 4 on the holder, the rolling member with outer flange roll cooperation, the rolling member with inner flange roll cooperation, be connected with wall seal complex lid cover 5 on the outer wall of outer flange circumference, the lid cover covers one side of holding tank. The utility model provides a hub bearing unit with low friction and high sealing performance, which reduces the friction force on one side and reduces the total friction force.
In the present invention, as shown in the figure, the sleeve cover includes a cover plate 51 and a ring body 52, a rubber sleeve 521 is sleeved on the ring body, and the rubber sleeve is in sealing fit with the circumferential outer wall of the outer flange. The requirements of roughness and roundness of the matching surface are high, the requirements are not easy to guarantee during processing, and the sealing effect is unstable, so that in order to achieve high sealing performance, the rubber sleeve is added to increase the sealing effect.
In the present invention, as shown in the figure, the rubber sleeve is made of vulcanized rubber.
In the utility model, as shown in the figure, the rubber sleeve is provided with a clamping groove 522, and one end of the ring body extends into the clamping groove to be matched with the clamping groove. The installation is more firm.
In the utility model, as shown in the figure, a hollow groove 6 is arranged between the inner wall of the outer flange and the outer wall of the inner flange, and a magnetic ring 61 is arranged in the hollow groove.
In the present invention, the rolling elements are balls, as shown.
In the present invention, as shown in the drawings, the cover case is made of a non-magnetic metal. The magnetic field intensity of the magnetic ring at 1.5mm is more than or equal to 7 MT. May be made of copper or the like.
The embodiments described with reference to the drawings are illustrative and are intended to be illustrative of the utility model and should not be construed as limiting the utility model. The examples should not be construed as limiting the present invention, but any modifications made based on the spirit of the present invention should be within the scope of protection of the present invention.
Claims (7)
1. The utility model provides a low friction, high sealing performance's wheel hub bearing unit, includes outer flange (1) and interior flange (2), its characterized in that: the outer flange is axially provided with an accommodating groove (11), the inner flange is arranged in the accommodating groove, a retainer (3) is arranged between the outer flange and the inner flange, the retainer is provided with a rolling piece (4), the rolling piece is in rolling fit with the outer flange, the rolling piece is in rolling fit with the inner flange,
the outer flange is connected with a cover sleeve (5) with a wall in sealing fit on the circumferential outer wall, and the cover sleeve covers one side of the accommodating groove.
2. A low friction, high sealing performance hub bearing unit according to claim 1, wherein: the housing cover comprises a cover plate (51) and a ring body (52), wherein a rubber sleeve (521) is sleeved on the ring body, and the rubber sleeve is in sealing fit with the circumferential outer wall of the outer flange.
3. A low friction, high sealing performance hub bearing unit according to claim 2, wherein: the rubber sleeve is made of vulcanized rubber.
4. A low friction, high sealing performance hub bearing unit according to claim 3, wherein: the rubber sleeve is provided with a clamping groove (522), and one end of the ring body extends into the clamping groove to be matched with the clamping groove.
5. A low friction, high sealing performance hub bearing unit according to claim 4, wherein: an empty groove (6) is arranged between the inner wall of the outer flange and the outer wall of the inner flange, and a magnetic ring (61) is arranged in the empty groove.
6. A low friction, high sealing performance hub bearing unit according to claim 5, wherein: the rolling member is a rolling ball.
7. A low friction, high sealing performance hub bearing unit according to claim 6, wherein: the cover sleeve is made of a non-magnetic metal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121823689.XU CN215720269U (en) | 2021-08-06 | 2021-08-06 | Low-friction and high-sealing-performance hub bearing unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121823689.XU CN215720269U (en) | 2021-08-06 | 2021-08-06 | Low-friction and high-sealing-performance hub bearing unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215720269U true CN215720269U (en) | 2022-02-01 |
Family
ID=79993259
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121823689.XU Active CN215720269U (en) | 2021-08-06 | 2021-08-06 | Low-friction and high-sealing-performance hub bearing unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215720269U (en) |
-
2021
- 2021-08-06 CN CN202121823689.XU patent/CN215720269U/en active Active
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