CN220956432U - Hub bearing unit with axial high-performance sealing structure - Google Patents
Hub bearing unit with axial high-performance sealing structure Download PDFInfo
- Publication number
- CN220956432U CN220956432U CN202323027616.1U CN202323027616U CN220956432U CN 220956432 U CN220956432 U CN 220956432U CN 202323027616 U CN202323027616 U CN 202323027616U CN 220956432 U CN220956432 U CN 220956432U
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- sealing
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- lip
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- 238000007789 sealing Methods 0.000 title claims abstract description 90
- 230000001154 acute effect Effects 0.000 claims description 3
- 238000011010 flushing procedure Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- Sealing With Elastic Sealing Lips (AREA)
Abstract
A hub bearing unit having an axially high performance seal structure. Mainly solves the problems that the sealing structure of the prior hub bearing unit is mostly directly sealed with the inner ring and the sealing performance is poor. The method is characterized in that: the sealing structure comprises a bottom ring (4) arranged on a shaft neck and a sealing ring (5) arranged on an outer ring, wherein the bottom ring comprises an upper plate (41), the upper plate extends along the horizontal direction, the sealing ring comprises a first sealing lip (51) and a plurality of second sealing lips (52), the bottom end face of the first sealing lip is in sealing fit with the top end face of the upper plate, and the second sealing lips are in sealing fit with the inner wall of the bottom ring. The utility model provides a hub bearing unit with an axial high-performance sealing structure, which comprises a bottom ring and a sealing ring to realize sealing, wherein a first sealing lip faces inwards, and the lip and an upper plate are used for edge-covering sealing, so that the sealing is pressed more when flushing is received.
Description
Technical Field
The utility model relates to the field of hub bearing units, in particular to a hub bearing unit with an axial high-performance sealing structure.
Background
The hub bearing is a part applied to an axle of an automobile and used for bearing and providing accurate guide for rotation of a hub, and is an important component for loading and rotation of the automobile.
As shown in chinese patent publication No. CN213511673U, most of the sealing structures of the current hub bearing units are directly sealed with the inner ring, and the sealing performance is poor.
Disclosure of utility model
In order to overcome the defects of the background technology, the utility model provides a hub bearing unit with an axial high-performance sealing structure, which mainly solves the problems that the sealing structure of the existing hub bearing unit is mainly directly sealed with an inner ring and the sealing performance is poor.
The technical scheme adopted by the utility model is as follows:
The utility model provides a hub bearing unit with axial high performance seal structure, includes ring flange, axle journal and outer lane, the outer lane inner wall with be equipped with seal structure between the axle journal outer wall, seal structure is including installing the foundation ring on the axle journal and installing the sealing washer at the outer lane, the foundation ring includes the upper plate, the upper plate extends along the horizontal direction, the sealing washer includes first seal lip and a plurality of second seal lip, the bottom terminal surface of first seal lip with the top terminal surface sealing fit of upper plate, a plurality of second seal lip with the inner wall sealing fit of foundation ring.
The second sealing lip is provided with three.
The bottom ring further comprises a side plate, an inclined plate and a bottom plate, at least one second sealing lip is in sealing fit with the side plate, at least one second sealing lip is in sealing fit with the inclined plate, and at least one second sealing lip is in sealing fit with the bottom plate.
The first sealing lip and the upper plate form an included angle smaller than an acute angle of 45 degrees.
The sealing ring comprises an upper pressing plate, and the upper pressing plate is tightly pressed on the circumferential outer wall of the outer ring.
The side plates are in tight press fit with the axial end faces of the flange plates.
The bottom plate is in press fit with the circumferential outer wall of the journal.
The beneficial effects of the utility model are as follows: the utility model provides a hub bearing unit with an axial high-performance sealing structure, which comprises a bottom ring and a sealing ring to realize sealing, wherein a first sealing lip faces inwards, and the lip and an upper plate are used for edge-covering sealing, so that the sealing is pressed more when flushing is received.
Drawings
FIG. 1 is a schematic cross-sectional view of one embodiment of the utility model.
Fig. 2 is an enlarged schematic view at a in fig. 1.
Detailed Description
The utility model is further described below with reference to the accompanying drawings: as shown in the figure, the hub bearing unit with the axial high-performance sealing structure comprises a flange plate 1, a shaft neck 2 and an outer ring 3, wherein a sealing structure is arranged between the inner wall of the outer ring and the outer wall of the shaft neck, the sealing structure comprises a bottom ring 4 arranged on the shaft neck and a sealing ring 5 arranged on the outer ring, the bottom ring comprises an upper plate 41, the upper plate extends along the horizontal direction, the sealing ring comprises a first sealing lip 51 and a plurality of second sealing lips 52, the bottom end face of the first sealing lip is in sealing fit with the top end face of the upper plate, and the second sealing lips are in sealing fit with the inner wall of the bottom ring. The top of first seal lip receives the impact, and under the impact, the bottom can be better with the more inseparabler contact seal effect of working, and the foundation ring is close-fitting with the axial outer wall of ring flange and the circumference outer wall of axle journal, and first seal lip and upper plate sealing fit but not with ring flange sealing fit, need not consider the contact surface of ring flange like this, and the commonality is higher.
In this embodiment, as shown, the second sealing lip is provided with three.
In this embodiment, as shown in the figure, the bottom ring further includes a side plate 42, a sloping plate 43 and a bottom plate 44, at least one of the second sealing lips is in sealing engagement with the side plate 42, at least one of the second sealing lips is in sealing engagement with the sloping plate 43, and at least one of the second sealing lips is in sealing engagement with the bottom plate 44. And a plurality of seals are formed, so that the sealing effect is improved.
In this embodiment, as shown in the drawing, the included angle between the first sealing lip and the upper plate is an acute angle smaller than 45 °. The use is more stable.
In this embodiment, as shown, the seal ring includes an upper pressure plate 53 that is pressed against the circumferential outer wall of the outer ring. The upper pressing plate is annularly buckled on the outer wall of the outer ring to realize installation, and the installation is simple.
In this embodiment, the side plates are in a press fit with the axial end faces of the flange as shown. The installation is more stable, also has sealed effect.
In this embodiment, the base plate is in a press fit with the circumferential outer wall of the journal as shown. The installation is more stable, also has sealed effect.
In the description of the present utility model, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present 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 configured and operated in a specific orientation, and therefore should not be construed as limiting the present 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.
The embodiments described with reference to the drawings are exemplary and 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 utility model, but any modifications based on the spirit of the utility model should be within the scope of the utility model.
Claims (7)
1. The utility model provides a hub bearing unit with axial high performance seal structure, includes ring flange (1), axle journal (2) and outer lane (3), outer lane inner wall with be equipped with seal structure between the axle journal outer wall, its characterized in that: the sealing structure comprises a bottom ring (4) arranged on a shaft neck and a sealing ring (5) arranged on an outer ring, wherein the bottom ring comprises an upper plate (41), the upper plate extends along the horizontal direction, the sealing ring comprises a first sealing lip (51) and a plurality of second sealing lips (52), the bottom end face of the first sealing lip is in sealing fit with the top end face of the upper plate, and the second sealing lips are in sealing fit with the inner wall of the bottom ring.
2. A hub-bearing unit with an axially high performance sealing structure according to claim 1, characterized in that: the second sealing lip is provided with three.
3. A hub-bearing unit with an axially high performance sealing structure according to claim 1, characterized in that: the bottom ring further comprises a side plate (42), an inclined plate (43) and a bottom plate (44), at least one second sealing lip is in sealing fit with the side plate (42), at least one second sealing lip is in sealing fit with the inclined plate (43), and at least one second sealing lip is in sealing fit with the bottom plate (44).
4. A hub-bearing unit with an axially high performance sealing structure according to claim 1, characterized in that: the first sealing lip and the upper plate form an included angle smaller than an acute angle of 45 degrees.
5. A hub-bearing unit with an axially high performance sealing structure according to claim 1, characterized in that: the sealing ring comprises an upper pressing plate (53), and the upper pressing plate is tightly pressed on the circumferential outer wall of the outer ring.
6. A hub-bearing unit with an axially high performance sealing arrangement according to claim 3, characterized in that: the side plates are in tight press fit with the axial end faces of the flange plates.
7. A hub-bearing unit with an axially high performance sealing arrangement according to claim 3, characterized in that: the bottom plate is in press fit with the circumferential outer wall of the journal.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202323027616.1U CN220956432U (en) | 2023-11-08 | 2023-11-08 | Hub bearing unit with axial high-performance sealing structure |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202323027616.1U CN220956432U (en) | 2023-11-08 | 2023-11-08 | Hub bearing unit with axial high-performance sealing structure |
Publications (1)
Publication Number | Publication Date |
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CN220956432U true CN220956432U (en) | 2024-05-14 |
Family
ID=90981149
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202323027616.1U Active CN220956432U (en) | 2023-11-08 | 2023-11-08 | Hub bearing unit with axial high-performance sealing structure |
Country Status (1)
Country | Link |
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CN (1) | CN220956432U (en) |
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2023
- 2023-11-08 CN CN202323027616.1U patent/CN220956432U/en active Active
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