CN218542929U - Hub bearing unit with built-in magnetic ring - Google Patents
Hub bearing unit with built-in magnetic ring Download PDFInfo
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- CN218542929U CN218542929U CN202222652898.3U CN202222652898U CN218542929U CN 218542929 U CN218542929 U CN 218542929U CN 202222652898 U CN202222652898 U CN 202222652898U CN 218542929 U CN218542929 U CN 218542929U
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- fixing frame
- sealing
- bearing unit
- hub bearing
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Abstract
A hub bearing unit with a built-in magnetic ring. The main problem of solving present wheel hub bearing unit and ball cage butt joint department and can having the gap to cause sealing failure easily. The main sealed mode higher problem of solving present wheel hub bearing unit. The method is characterized in that: the sealing structure is characterized by further comprising a sealing assembly, wherein the sealing assembly comprises a first fixing frame (41) and a second fixing frame (42), the first fixing frame is arranged on the inner side of the second fixing frame, a magnetic ring (411) is arranged on the first fixing frame, and the second fixing frame is used for sealing the inner wall of the empty groove. The utility model provides a built-in wheel hub bearing unit of magnetism circle has cancelled the end cover, adopts built-in magnetism circle, has practiced thrift the cost, reduces the exterior space and occupies.
Description
Technical Field
The utility model relates to an automobile parts field, concretely relates to built-in wheel hub bearing unit of magnetism circle.
Background
The hub bearing is a part applied to an automobile axle for bearing and providing accurate guide for the rotation of a hub, bears axial load and radial load, and is an important component of automobile load and rotation. Most of magnetic encoders of traditional automobile hub bearing units are of external structures, so that fine particles in air are easily adsorbed to form thick dirt, the small splashed stones are easily impacted to damage the magnetic encoders, and the service life of the magnetic encoders is short.
Therefore, the chinese patent publication No. CN205273044U adopts an end cap for sealing, which increases the cost and the occupation of the external space.
SUMMERY OF THE UTILITY MODEL
In order to overcome the not enough of background art, the utility model provides a built-in wheel hub bearing unit of magnetic ring mainly solves the higher problem of present wheel hub bearing unit's sealing method cost.
The utility model adopts the technical proposal that:
the utility model provides a built-in wheel hub bearing unit of magnetic ring, includes the ring flange, the ring flange includes the axle journal, the axle journal overcoat is equipped with the outer lane, the outer lane with be equipped with the dead slot that is used for installing the spin between the axle journal, still include seal assembly, seal assembly includes first mount and second mount, first mount is located the inboard of second mount, just be equipped with the magnetic ring on the first mount, the second mount is used for the sealing of dead slot inner wall.
The first fixing frame is provided with a groove, the second fixing frame is provided with a sealing ring, and the sealing ring stretches into the groove and is in sealing fit with the inner wall of the bottom of the groove and the side wall.
The sealing ring comprises a first sealing lip, a second sealing lip and a third sealing lip, the first sealing lip and the second sealing lip are matched with the inner wall surface of the bottom of the groove, and the third sealing lip is matched with the side wall of the groove in a sealing mode.
The groove extends in the axial direction of the journal.
The first fixing frame is sleeved on the circumferential outer wall of the shaft neck.
The second fixing frame is sleeved on the inner wall of the outer ring.
The distance d between the magnetic ring and the opposite surface of the second fixing frame is 1-1.5mm.
The beneficial effects of the utility model are that: the utility model provides a built-in wheel hub bearing unit of magnetism circle has cancelled the end cover, adopts built-in magnetism circle, has practiced thrift the cost, reduces the exterior space and occupies.
Drawings
Fig. 1 is a schematic cross-sectional view of an embodiment of the present invention.
Fig. 2 is an enlarged schematic view of a point a in fig. 1.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings: as shown in the figure, the built-in wheel hub bearing unit of magnetism circle, including ring flange 1, the ring flange includes axle journal 2, the axle journal overcoat is equipped with outer lane 3, the outer lane with be equipped with the dead slot 51 that is used for installing spin 5 between the axle journal, still include seal assembly, seal assembly includes first mount 41 and second mount 42, first mount is located the inboard of second mount, just be equipped with magnetism circle 411 on the first mount, the second mount is used for the sealing of dead slot inner wall. The first fixing frame can be arranged on the outer wall of the shaft neck in a clamping mode and the like, the magnetic ring can be arranged on the first fixing frame in a sticking mode, a clamping sleeve mode and the like, the sealing ring on the second fixing frame can be arranged in a clamping groove on the sealing ring in a clamping mode and the like, the clamping plate is arranged on the second fixing frame and the like, an end cover is omitted, the built-in magnetic ring is adopted, the cost is saved, and the occupied external space is reduced.
In this embodiment, as shown in the figure, the first fixing frame has a groove 412, and the second fixing frame has a sealing ring 43, which extends into the groove and is in sealing engagement with the inner wall and the side wall of the bottom of the groove.
In this embodiment, as shown in the figure, the sealing ring includes a first sealing lip 431, a second sealing lip 432 and a third sealing lip 433, the first sealing lip 431 and the second sealing lip 432 are matched with the inner wall surface of the bottom of the groove, and the third sealing lip is matched with the side wall of the groove in a sealing manner. And a plurality of seals are adopted to ensure the sealing effect and prevent leakage.
In this embodiment, the groove extends in the axial direction of the journal, as shown.
In this embodiment, as shown in the figure, the first fixing frame is sleeved on the circumferential outer wall of the journal.
In this embodiment, as shown in the figure, the second fixing frame is sleeved on the inner wall of the outer ring.
In this embodiment, as shown in the figure, the distance d between the magnetic ring and the opposite surface of the second fixing frame is 1-1.5mm. Within the distance range, the use requirement can be met, and after 144 hours of muddy water splashing experiments are carried out after the product is assembled, muddy water and sand do not enter the inside of the hub bearing; and the strength of the ABS output signal is not weakened.
In the description of the present invention, it is to 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 those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
The embodiments described with reference to the figures are exemplary intended for the purpose of illustrating the invention and are not to be construed as limiting the invention. 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 the present invention.
Claims (7)
1. The utility model provides a built-in wheel hub bearing unit of magnetic ring, includes ring flange (1), the ring flange includes axle journal (2), the axle journal overcoat is equipped with outer lane (3), the outer lane with be equipped with dead slot (51) that are used for installing spin (5) between the axle journal, its characterized in that: the sealing device is characterized by further comprising a sealing assembly, wherein the sealing assembly comprises a first fixing frame (41) and a second fixing frame (42), the first fixing frame is arranged on the inner side of the second fixing frame, a magnetic ring (411) is arranged on the first fixing frame, and the second fixing frame is used for sealing the inner wall of the empty groove.
2. The hub bearing unit with built-in magnetic ring according to claim 1, characterized in that: the first fixing frame is provided with a groove (412), the second fixing frame is provided with a sealing ring (43), and the sealing ring extends into the groove and is in sealing fit with the inner wall of the bottom of the groove and the side wall.
3. The hub bearing unit with built-in magnetic ring according to claim 2, characterized in that: the sealing ring comprises a first sealing lip (431), a second sealing lip (432) and a third sealing lip (433), the first sealing lip (431), the second sealing lip (432) and the inner wall surface of the bottom of the groove are matched, and the third sealing lip is in sealing fit with the side wall of the groove.
4. A magnetic ring built-in hub bearing unit according to claim 3, characterized in that: the groove extends in the axial direction of the journal.
5. The hub bearing unit with a built-in magnetic ring according to claim 4, wherein: the first fixing frame is sleeved on the circumferential outer wall of the shaft neck.
6. The hub bearing unit with built-in magnetic ring according to claim 5, wherein: the second fixing frame is sleeved on the inner wall of the outer ring.
7. The hub bearing unit with built-in magnetic ring according to claim 6, wherein: the distance d between the magnetic ring and the opposite surface of the second fixing frame is 1-1.5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222652898.3U CN218542929U (en) | 2022-10-10 | 2022-10-10 | Hub bearing unit with built-in magnetic ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222652898.3U CN218542929U (en) | 2022-10-10 | 2022-10-10 | Hub bearing unit with built-in magnetic ring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218542929U true CN218542929U (en) | 2023-02-28 |
Family
ID=85277429
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222652898.3U Active CN218542929U (en) | 2022-10-10 | 2022-10-10 | Hub bearing unit with built-in magnetic ring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218542929U (en) |
-
2022
- 2022-10-10 CN CN202222652898.3U patent/CN218542929U/en active Active
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| GR01 | Patent grant |