CN218063080U - Tapered roller bearing product with sealing ring - Google Patents
Tapered roller bearing product with sealing ring Download PDFInfo
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- CN218063080U CN218063080U CN202222720875.1U CN202222720875U CN218063080U CN 218063080 U CN218063080 U CN 218063080U CN 202222720875 U CN202222720875 U CN 202222720875U CN 218063080 U CN218063080 U CN 218063080U
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- inner sleeve
- sleeve
- roller bearing
- tapered roller
- sealing
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Abstract
The utility model relates to a tapered roller bearing product of area sealing washer, including four component parts of endotheca, overcoat, holder and sealing mechanism. The inner sleeve is hollow and has a preset bending radian, and is used for limiting the whole size of the bearing; the outer sleeve is hollow and has a preset bending radian, and is sleeved on the outer side of the inner sleeve; the retainer is arranged between the inner sleeve and the outer sleeve and is matched with the inner sleeve and the outer sleeve; the sealing mechanism is connected with the inner sleeve, extends to the outer surface of the outer sleeve and has a preset bending radian. The utility model discloses with sealing mechanism and tapered roller bearing combination as an organic whole, simplified the sealing mechanism of motorcycle steering part to dustproof effect has been improved. Meanwhile, the design of the lip edge of the butterfly-shaped sealing lip made of the nitrile rubber material is adopted, elastic deformation is utilized to form contact type sealing, and the sealing effect is improved.
Description
Technical Field
The utility model relates to a roller bearing field, concretely relates to take tapered roller bearing product of sealing washer.
Background
Roller bearings are one type of rolling bearings, and are one of the components widely used in modern machinery. It relies on rolling contact between the primary elements to support the rotating parts. Roller bearings are now mostly standardized. The roller bearing has the advantages of small moment required by starting, high rotation precision, convenience in selection and the like. The tapered roller bearing for the motorcycle steering component has higher cleaning requirements on the working environment of the product so as to ensure the normal service life of the product, and therefore, the roller bearing for motorcycle steering is required to be correspondingly subjected to dust prevention and sealing treatment.
In the prior art, a sealing mechanism for a motorcycle roller bearing mostly adopts a structure that a sealing element or a dust ring is arranged between a vertical shaft and a pipe sleeve and is separated from the bearing element, generally, the sealing mechanism is in a non-contact open structure, a large assembly gap is required, the structure is complex, the requirements on processing and assembly precision are high, and the sealing effect is poor due to the large assembly gap.
SUMMERY OF THE UTILITY MODEL
Utility model purpose: the tapered roller bearing product with the sealing ring is provided to solve the problems existing in the prior art.
The technical scheme is as follows: a tapered roller bearing product with a sealing ring comprises an inner sleeve, an outer sleeve, a retainer and a sealing mechanism. The inner sleeve is hollow and has a preset bending radian, and is used for limiting the whole size of the bearing; the outer sleeve is hollow and has a preset bending radian, and is sleeved on the outer side of the inner sleeve; the retainer is arranged between the inner sleeve and the outer sleeve and is matched with the inner sleeve and the outer sleeve; the sealing mechanism is connected with the inner sleeve, extends to the outer surface of the outer sleeve and has a preset bending radian.
In a further embodiment, the inner sleeve, the outer sleeve and the retainer are communicated with each other through a framework, and the framework is made of steel, preferably stainless steel; one end of the sealing mechanism is abutted to the inner sleeve and penetrates through a gap between the retainer and the framework to extend to be abutted to the outer sleeve.
In a further embodiment, the sealing mechanism is a lip and a sealing ring with a predetermined bending radian and deformation degree; the lip edges are injected on the outer edge of the framework and the outer end surface extension and are propped against the outer sleeve. The sealing ring is connected with the inner sleeve and extends to the outer surface of the outer sleeve through the retainer, and gaps below the inner sleeve, the retainer and the outer sleeve in the operation direction are filled and sealed.
In a further embodiment, the lip edge is of a butterfly structure, and in an assembled state, the lip edge generates elastic deformation with a predetermined amplitude towards the outside and can abut against the end face of the outer sleeve. The lip limit is the butadiene acrylonitrile rubber material, can take place elastic deformation under the assembled state for can laminate on bearing inner race terminal surface, sealing performance is good.
In a further embodiment, the framework is provided with a plurality of concave grooves, and the inner edge and the outer edge of each concave groove are flanged outwards, so that a preset space can be provided for the free movement of the retainer.
In a further embodiment, the sealing mechanism is arranged at the outer circular surface of the inner sleeve large flange. Further, the sealing ring and the framework are arranged on a large flange of the inner ring of the tapered roller bearing, and an interference fit mode is adopted, so that the installation and the positioning are reliable.
Has the beneficial effects that: the utility model relates to a tapered roller bearing product of area sealing washer, including four component parts of endotheca, overcoat, holder and sealing mechanism. The inner sleeve is hollow and has a preset bending radian, and is used for limiting the whole size of the bearing; the outer sleeve is hollow and has a preset bending radian, and is sleeved on the outer side of the inner sleeve; the retainer is arranged between the inner sleeve and the outer sleeve and is matched with the inner sleeve and the outer sleeve; the sealing mechanism is connected with the inner sleeve, extends to the outer surface of the outer sleeve and has a preset bending radian. The utility model discloses with sealing mechanism and tapered roller bearing combination as an organic whole, simplified the sealing mechanism of motorcycle steering part to dustproof effect has been improved. Meanwhile, the design of the lip edge of the butterfly-shaped sealing lip made of the nitrile rubber material is adopted, elastic deformation is utilized to form contact type sealing, and the sealing effect is improved.
Drawings
Fig. 1 is an overall schematic view of a sealing dustproof mechanism for a roller bearing of a motorcycle in the prior art.
Fig. 2 is a partially enlarged schematic view of a sealing and dust-proof mechanism for a roller bearing of a motorcycle in the prior art shown in fig. 1.
Fig. 3 is an overall schematic diagram of the present invention.
Fig. 4 is an enlarged schematic view of the region a of the present invention shown in fig. 3.
Fig. 5 is a partially exploded view of the present invention.
The figures are numbered: the anti-dust cover comprises a dust cover 1, a steering sleeve 2, a distance t between the dust cover and the steering sleeve, an inner sleeve 3, a sealing ring 4, an outer sleeve 5, a retainer 6, a framework 7 and a lip 8.
Detailed Description
In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present invention. It will be apparent, however, to one skilled in the art, that the present invention may be practiced without one or more of these specific details. In other instances, well-known features have not been described in order to avoid obscuring the present invention.
The first embodiment is as follows:
the tapered roller bearing product with the sealing ring 4 provided by the embodiment comprises an inner sleeve 3, an outer sleeve 5, a retainer 6 and a sealing mechanism. The inner sleeve 3 is hollow and has a preset bending radian, and is used for limiting the whole size of the bearing; the outer sleeve 5 is hollow, has a preset bending radian and is sleeved outside the inner sleeve 3; the retainer 6 is arranged between the inner sleeve 3 and the outer sleeve 5 and is matched with the inner sleeve 3 and the outer sleeve 5; the sealing mechanism is connected with the inner sleeve 3, extends to the outer surface of the outer sleeve 5 and has a preset bending radian. The inner sleeve 3, the outer sleeve 5 and the retainer 6 are communicated with each other through a framework 7, and the framework 7 is made of steel, preferably stainless steel; one end of the sealing mechanism is abutted to the inner sleeve 3 and penetrates through the gap between the retainer 6 and the framework 7 to extend to be abutted to the outer sleeve 5, the retainer 6 is sealed and filled with the gap between the inner sleeve 3 and the outer sleeve 5, the whole operation sealing performance of the tapered roller bearing is improved, and meanwhile a certain dustproof effect can be achieved.
Example two:
on the basis of the first embodiment, the sealing mechanism is a lip 8 and a sealing ring 4 with preset bending radian and deformation degree; the lip edge 8 is injected on the outer edge and the outer end face extension of the framework 7 and is propped against the outer sleeve 5. The sealing ring 4 is connected with the inner sleeve 3 and extends to the outer surface of the outer sleeve 5 through the retainer 6, and gaps below the inner sleeve 3, the retainer 6 and the outer sleeve 5 in the operation direction are filled and sealed. The lip edge 8 is of a butterfly structure, and is elastically deformed outwards by a predetermined amplitude in an assembly state and can abut against the end face of the outer sleeve 5. Lip 8 is the butadiene acrylonitrile rubber material, can take place elastic deformation under the assembled state for can laminate on bearing inner race terminal surface, sealing performance is good. The framework 7 is provided with a plurality of concave grooves, the inner edge and the outer edge of each concave groove are flanged outwards, a preset space can be provided for the free movement of the retainer 6, the concave grooves and the sealing mechanisms are matched with each other, and the operation effect of the tapered roller bearing cannot be influenced on the premise of ensuring the sealing and dustproof performance. The sealing mechanism is arranged on the outer circular surface of the large flange of the inner sleeve 3. Further, the sealing ring 4 and the framework 7 are arranged on a large flange of the inner ring of the tapered roller bearing, and an interference fit mode is adopted, so that the installation and the positioning are reliable.
As mentioned above, although the present invention has been shown and described with reference to certain preferred embodiments, it should not be construed as limiting the invention itself. Various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (6)
1. A tapered roller bearing product with a seal ring is characterized by comprising:
the inner sleeve is hollow, has a preset bending radian and is used for limiting the whole size of the bearing;
the outer sleeve is hollow and has a preset bending radian and is sleeved outside the inner sleeve;
the retainer is arranged between the inner sleeve and the outer sleeve and is matched with the inner sleeve and the outer sleeve;
and the sealing mechanism is connected with the inner sleeve, extends to the outer surface of the outer sleeve and has a bending radian.
2. The tapered roller bearing product with a seal ring according to claim 1, characterized in that:
the inner sleeve, the outer sleeve and the retainer are communicated with each other through a framework; one end of the sealing mechanism is abutted to the inner sleeve and penetrates through a gap between the retainer and the framework to extend to be abutted to the outer sleeve.
3. The tapered roller bearing product with a seal ring according to claim 2, characterized in that:
the sealing mechanism is a lip edge and a sealing ring which have preset bending radian and deformation degree; the lip edges are injected on the outer edge of the framework and the outer end surface extension and are propped against the outer sleeve.
4. The tapered roller bearing product with a seal ring according to claim 2, characterized in that:
the lip edge is of a butterfly structure, and generates elastic deformation with a preset amplitude towards the outer side in an assembling state, and the elastic deformation can be abutted against the end face of the outer sleeve.
5. The tapered roller bearing product with a seal ring according to claim 2, characterized in that:
the framework is provided with a concave groove, the inner edge and the outer edge of the framework are flanged outwards, and a preset space can be provided for the free movement of the retainer.
6. The tapered roller bearing product with a seal ring according to claim 1, characterized in that:
the sealing mechanism is arranged on the outer circular surface of the large flange of the inner sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222720875.1U CN218063080U (en) | 2022-10-17 | 2022-10-17 | Tapered roller bearing product with sealing ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222720875.1U CN218063080U (en) | 2022-10-17 | 2022-10-17 | Tapered roller bearing product with sealing ring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218063080U true CN218063080U (en) | 2022-12-16 |
Family
ID=84410853
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222720875.1U Active CN218063080U (en) | 2022-10-17 | 2022-10-17 | Tapered roller bearing product with sealing ring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218063080U (en) |
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2022
- 2022-10-17 CN CN202222720875.1U patent/CN218063080U/en active Active
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