CN220060281U - Sealing structure for end part of automobile hub bearing - Google Patents
Sealing structure for end part of automobile hub bearing Download PDFInfo
- Publication number
- CN220060281U CN220060281U CN202321429356.8U CN202321429356U CN220060281U CN 220060281 U CN220060281 U CN 220060281U CN 202321429356 U CN202321429356 U CN 202321429356U CN 220060281 U CN220060281 U CN 220060281U
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- annular
- annular sealing
- sealing
- hub bearing
- seat
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- 238000007789 sealing Methods 0.000 title claims abstract description 118
- 238000010586 diagram Methods 0.000 description 4
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 208000024891 symptom Diseases 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/86—Optimisation of rolling resistance, e.g. weight reduction
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Abstract
The utility model relates to the technical field of hub bearing sealing structures, and discloses a sealing structure of an end part of an automobile hub bearing, which comprises an annular sealing plate, wherein one side of the annular sealing plate is coaxially connected with an annular sealing seat, and the annular sealing seat and the annular sealing plate are arranged in a step manner; the annular sealing seat and the annular sealing plate are integrally formed, at least one sealing groove is formed in the inner surface of the annular sealing seat, and sealing rings are arranged in the sealing grooves; the annular sealing plates are positioned at two ends of the hub bearing and coaxially arranged on the inner sleeve, the annular sealing seat is positioned in the outer sleeve, the annular sealing plates are connected with two ends of the outer sleeve, and the sealing rings and the annular sealing seat are tightly matched with the outer surface of the inner sleeve. When the annular sealing seat is used, the annular sealing seat can tightly hold the inner sleeve without loosening to generate a gap under the condition that the fastening ring is tightened.
Description
Technical Field
The utility model relates to the technical field of hub bearing sealing structures, in particular to a sealing structure of an end part of an automobile hub bearing.
Background
The hub bearing is an important supporting member of an automobile hub, the specific structure of the hub is shown in fig. 3 and 4, and the hub is divided into an outer sleeve 1 and an inner sleeve 2, and the outer sleeve 1 and the inner sleeve 2 are connected through bearings. After long-time use, external sundries enter the inside of the hub bearing along with ageing and loosening of the sealing assemblies at the two ends of the hub bearing, so that the bearing balls are worn;
when a hub bearing becomes problematic, the following symptoms are most likely to occur: 1. the wheels shake when the automobile runs; 2. abnormal sounds appear on the wheels. An important factor in these problems is dry friction of the balls due to reduced lubricity inside the bearing when used for a long period of time. For this purpose, we propose a sealing structure for the end of a hub bearing of a motor vehicle.
Disclosure of Invention
Aiming at the defect of insufficient sealing strength of the existing hub bearing, the utility model provides a sealing structure of the end part of the automobile hub bearing, which has the advantage that both ends can be sealed for a long time, and solves the problems in the prior art.
The utility model provides the following technical scheme:
the sealing structure comprises an annular sealing plate, wherein one side of the annular sealing plate is coaxially connected with an annular sealing seat, and a step is arranged between the annular sealing seat and the annular sealing plate;
the annular sealing seat and the annular sealing plate are integrally formed, at least one sealing groove is formed in the inner surface of the annular sealing seat, and sealing rings are arranged in the sealing grooves;
the annular sealing plates are positioned at two ends of the hub bearing and coaxially arranged on the inner sleeve, the annular sealing seat is positioned in the outer sleeve, the annular sealing plates are connected with two ends of the outer sleeve, and the sealing rings and the annular sealing seat are tightly matched with the outer surface of the inner sleeve.
Preferably, the outer side surface of the annular sealing seat is provided with at least one annular fastening groove, fastening rings are arranged in the annular fastening groove, the fastening rings are elastic rods with two ends not connected and staggered mutually, and the fastening rings are tightened in the annular fastening groove.
Preferably, the outer sides of the annular sealing plates are respectively provided with an annular pressing plate, and the annular pressing plates are overlapped on the side surfaces of the annular sealing plates;
annular placing grooves are formed in two ends of the inner wall of the outer sleeve, and the annular pressing plate and the annular sealing plate are arranged in the annular placing grooves.
Preferably, a plurality of screw holes are formed in the inner wall of the annular placing groove, a plurality of locking holes corresponding to the screw holes are formed in the side surfaces of the annular sealing plate and the annular pressing plate, and bolts connected with the screw holes are arranged in the locking holes.
Preferably, the annular sealing plate and the annular sealing seat are made of rubber.
Compared with the existing hub bearing sealing structure, when the hub bearing sealing structure is used, the sealing ring and the annular sealing seat are tightly wrapped on the inner sleeve, so that the bearing on the inner sleeve is sealed, and the annular sealing seat can tightly hold the inner sleeve without loosening to generate a gap under the condition that the fastening ring is tightened.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model.
Fig. 2 is a cross-sectional view of the present utility model.
FIG. 3 is a front view of the utility model in combination with a hub bearing.
FIG. 4 is a perspective view of the connection of the present utility model to a hub bearing.
In the figure: 1. a jacket; 2. an inner sleeve; 3. a bearing; 4. an annular sealing plate; 5. an annular pressing plate; 6. an annular fastening groove; 7. a locking hole; 8. a fastening ring; 9. an annular sealing seat; 10. a seal ring; 11. sealing grooves; 12. a screw hole; 13. an annular placement groove.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-4, a sealing structure of an end part of an automobile hub bearing comprises an annular sealing plate 4, wherein one side of the annular sealing plate 4 is coaxially connected with an annular sealing seat 9, the annular sealing seat 9 and the annular sealing plate 4 are arranged in a step manner, and the annular sealing plate 4 and the annular sealing seat 9 are made of rubber;
the annular sealing seat 9 and the annular sealing plate 4 are integrally formed, at least one sealing groove 11 is formed in the inner surface of the annular sealing seat 9, and sealing rings 10 are arranged in the sealing grooves 11;
the annular sealing plates 4 are positioned at two ends of the hub bearing and are coaxially arranged on the inner sleeve 2, the annular sealing seat 9 is positioned in the outer sleeve 1, the annular sealing plates 4 are connected with two ends of the outer sleeve 1, and the sealing rings 10 and the annular sealing seat 9 are tightly matched on the outer surface of the inner sleeve 2.
Specifically, as shown in fig. 3 and fig. 4, fig. 4 is a structural diagram of a hub bearing in actual use, fig. 3 is a schematic diagram of the hub bearing in which fig. 4 is cut, that is, an internal structural diagram of the hub bearing, in the actual use process, an outer sleeve 1 is connected with a hub, an inner sleeve 2 is connected with a driving shaft of an automobile through a spline and a spline sleeve, and the outer sleeve 1 and the inner sleeve 2 are assembled through a bearing 3 to form a complete hub bearing;
as shown in fig. 3, the present utility model is installed at both ends of the outer sleeve 1, and the sealing rings 10 and the ring-shaped sealing seats 9 are tightly wrapped on the inner sleeve 2, so that the bearing on the inner sleeve 2 is sealed.
As shown in fig. 1 and 2, at least one annular fastening groove 6 is formed in the outer side surface of the annular sealing seat 9, fastening rings 8 are arranged in the annular fastening groove 6, the fastening rings 8 are elastic rods with two ends not connected and staggered with each other, the fastening rings 8 are tightened in the annular fastening groove 6, and the annular sealing seat 9 has elasticity, so that the annular sealing seat 9 can be held tightly after the fastening rings 8 are tightened in order to enable the annular sealing seat 9 and the inner sleeve 2 to be more tightly tightened, and the annular sealing seat 9 has a tendency of inwards shrinking.
As shown in fig. 1 and 3, the outer sides of the annular sealing plates 4 are respectively provided with an annular pressing plate 5, the annular pressing plates 5 are superposed on the side surfaces of the annular sealing plates 4, and the annular pressing plates 5 are metal plates;
annular placing grooves 13 are formed in two ends of the inner wall of the outer sleeve 1, and the annular pressing plate 5 and the annular sealing plate 4 are arranged in the annular placing grooves 13; as shown in fig. 3, a plurality of screw holes 12 are formed in the inner wall of the annular placing groove 13, a plurality of locking holes 7 corresponding to the screw holes 12 are formed in the side surfaces of the annular sealing plate 4 and the annular pressing plate 5, and bolts connected with the screw holes are arranged in the locking holes 7. The annular pressing plate 5 presses and fixes the annular sealing plate 4 at two ends of the outer sleeve 1, so that the whole sealing structure is fixed.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. A seal structure of automobile wheel hub bearing tip, its characterized in that: comprises an annular sealing plate (4), wherein one side of the annular sealing plate (4) is coaxially connected with an annular sealing seat (9), and a step is arranged between the annular sealing seat (9) and the annular sealing plate (4);
the annular sealing seat (9) and the annular sealing plate (4) are integrally formed, at least one sealing groove (11) is formed in the inner surface of the annular sealing seat (9), and sealing rings (10) are arranged in the sealing grooves (11);
the annular sealing plates (4) are positioned at two ends of the hub bearing and are coaxially arranged on the inner sleeve (2), the annular sealing seat (9) is positioned in the outer sleeve (1), the annular sealing plates (4) are connected with two ends of the outer sleeve (1), and the sealing rings (10) and the annular sealing seat (9) are tightly matched on the outer surface of the inner sleeve (2).
2. The sealing structure for an end portion of a hub bearing of an automobile according to claim 1, wherein: at least one annular fastening groove (6) is formed in the outer side surface of the annular sealing seat (9), fastening rings (8) are arranged in the annular fastening groove (6), the fastening rings (8) are elastic rods with two ends not connected and staggered with each other, and the fastening rings (8) are tightened in the annular fastening groove (6).
3. The sealing structure for an end portion of a hub bearing of an automobile according to claim 1, wherein: the outer sides of the annular sealing plates (4) are respectively provided with an annular pressing plate (5), and the annular pressing plates (5) are superposed on the side surfaces of the annular sealing plates (4);
annular placing grooves (13) are formed in two ends of the inner wall of the outer sleeve (1), and the annular pressing plate (5) and the annular sealing plate (4) are arranged in the annular placing grooves (13).
4. A seal arrangement for an automotive hub bearing end portion as claimed in claim 3, wherein: a plurality of screw holes (12) are formed in the inner wall of the annular placing groove (13), a plurality of locking holes (7) corresponding to the screw holes (12) are formed in the side surfaces of the annular sealing plate (4) and the annular pressing plate (5), and bolts connected with the screw holes are arranged in the locking holes (7).
5. The sealing structure for an end portion of a hub bearing of an automobile according to claim 1, wherein: the annular sealing plate (4) and the annular sealing seat (9) are made of rubber materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321429356.8U CN220060281U (en) | 2023-06-06 | 2023-06-06 | Sealing structure for end part of automobile hub bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321429356.8U CN220060281U (en) | 2023-06-06 | 2023-06-06 | Sealing structure for end part of automobile hub bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220060281U true CN220060281U (en) | 2023-11-21 |
Family
ID=88787983
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321429356.8U Active CN220060281U (en) | 2023-06-06 | 2023-06-06 | Sealing structure for end part of automobile hub bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220060281U (en) |
-
2023
- 2023-06-06 CN CN202321429356.8U patent/CN220060281U/en active Active
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