CN214274218U - Special bearing for motorcycle crankshaft left bearing - Google Patents
Special bearing for motorcycle crankshaft left bearing Download PDFInfo
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- CN214274218U CN214274218U CN202022822563.2U CN202022822563U CN214274218U CN 214274218 U CN214274218 U CN 214274218U CN 202022822563 U CN202022822563 U CN 202022822563U CN 214274218 U CN214274218 U CN 214274218U
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Abstract
The utility model relates to a bearing field specifically is a motorcycle bent axle left bearing special bearing. The special bearing for the left bearing of the motorcycle crankshaft comprises an outer ring, an inner ring, a retainer, balls and a sealing ring, wherein the balls are movably connected with the retainer, the balls are limited between the outer ring and the inner ring, the sealing ring is arranged on one side of the outer ring, a sealing groove is formed in one side of the edge of the outer ring, the sealing ring is arranged in the sealing groove, sealing structures are arranged at two ends of the sealing ring, the sealing ring is fully sealed with the sealing groove and the inner ring, and the sealing performance of the whole bearing is improved. The utility model discloses an useful part: the sealing ring is an acrylate rubber sealing ring capable of bearing high temperature, and a labyrinth type optimized design is adopted, so that the sealing performance is improved; the utility model relates to a only set up the seal groove at outer lane inner wall edge, do not set up the seal groove at inner circle inner wall, improve the firmness of inner circle, improve the life of bearing.
Description
Technical Field
The utility model relates to a bearing field specifically is a motorcycle bent axle left bearing special bearing.
Background
The left bearing component of the motorcycle crankshaft needs to use the bearing, but the performance of the conventional bearing cannot meet the requirement in the aspect of high-speed rotation, the conventional bearing cannot adapt to the use scene of high-speed operation of the motorcycle crankshaft component, and the sealing performance of a sealing ring is insufficient in the high-speed operation scene, so that the service life is short, and the bearing is easy to leak oil, wear and even damage in the high-speed operation of the left bearing component of the motorcycle crankshaft.
Disclosure of Invention
In order to solve the technical problem that conventional bearing can not adapt to the high-speed operation scene of motorcycle bent axle left bearing part, the utility model provides a motorcycle bent axle left bearing special bearing.
The technical scheme of the utility model as follows:
the special bearing for the left bearing of the motorcycle crankshaft comprises an outer ring, an inner ring, a retainer, balls and a sealing ring, wherein the balls are movably connected with the retainer, the balls are limited between the outer ring and the inner ring, the sealing ring is arranged on one side of the outer ring, a sealing groove is formed in one side of the edge of the outer ring, the sealing ring is arranged in the sealing groove, sealing structures are arranged at two ends of the sealing ring, the sealing ring is fully sealed with the sealing groove and the inner ring, and the sealing performance of the whole bearing is improved.
The cross section of the sealing ring is overall in a bow shape.
The sealing structure of the sealing ring comprises an upper end sealing part and a lower end sealing part, an upper sealing ring is formed at the upper end of the upper end sealing part, and a lip sealing ring is formed at the lower end of the lower end sealing part.
The upper end of the upper sealing ring is conical, and the outer end of the lip sealing ring is inwards sunken.
The sealing ring is internally provided with a strengthening sheet which has elasticity.
The cross section of the reinforcing sheet is L-shaped.
The sealing ring wraps the reinforcing sheet, and the wrapping rings on two sides of the sealing ring are in contact with two ends of the reinforcing sheet.
The lower end face of the packing ring at the upper end of the sealing ring is a plane, and the packing ring at the lower end is obliquely arranged.
By using the technical scheme of the utility model, the structure is novel, the design is ingenious, the sealing ring adopts the acrylate rubber sealing ring which can bear high temperature, and the labyrinth optimization design is adopted, so that the sealing performance is improved; the materials of the outer ring, the inner ring, the retainer and the balls are made of Jiangyin Chengcheng SKF3 high-quality bearing steel, so that the strength of the whole bearing is ensured, and the cold rolling process is adopted for the outer ring and the inner ring, so that the metal fluidity and the tissue density of the outer ring and the inner ring are changed, and the service life of the bearing is prolonged; the utility model relates to a only set up the seal groove at outer lane inner wall edge, do not set up the seal groove at inner circle inner wall, improve the firmness of inner circle, improve the life of bearing.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a schematic structural diagram of the sealing ring of the present invention;
fig. 3 is an enlarged schematic view of a part of the structure of the present invention.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings and examples, which are only used for explaining the present invention and do not limit the scope of the present invention.
Examples
The special bearing for the left bearing of the motorcycle crankshaft as shown in figures 1-3 comprises an outer ring 1, an inner ring 2, a retainer 3, balls 4 and a sealing ring 5, wherein the balls 4 are clamped between the two retainers 3, the two retainers 3 are fixed by rivets 11, the balls 4 are limited between the outer ring 1 and the inner ring 2, the sealing ring 5 is arranged at the right side of the outer ring 1, the sealing ring 5 is arranged only at the right side according to the use requirement, the right side of the bearing is sealed, a sealing groove 6 is arranged at the edge of the right end of the outer ring 1, the sealing ring 5 is arranged in the sealing groove 6, sealing structures are arranged at the two ends of the sealing ring 5, the upper end of the sealing ring 5 is fixedly connected with the sealing groove 6 at the outer ring 1 side, the lower end of the sealing ring 5 is movably connected with the inner wall of the inner ring 2, the cross, the sealing ring 5 is internally provided with a reinforcing sheet 9, the reinforcing sheet 9 can be made of materials such as metal, plastic and the like, the overall strength of the sealing ring 5 can be improved, the reinforcing sheet 9 has elasticity, better support and elasticity can be brought to the sealing ring 5, the sealing ring 5 is helped to be better sealed with the inner ring 2 and the outer ring 1, the sealing ring 5 wraps the reinforcing sheet 9, wrapping rings 10 on two sides of the sealing ring 5 wrap the reinforcing sheet 9, the wrapping rings 10 on two sides of the sealing ring 5 are contacted with two ends of the reinforcing sheet 9, the cross section of the reinforcing sheet 9 is L-shaped, the lower end of a wrapping ring 10 on the upper end of the sealing ring 5 is a plane, a wrapping ring 10 on the lower end is obliquely arranged, the reinforcing sheet 9 can be wrapped and fixed, the position of the retainer 3 can be avoided, the obliquely arranged wrapping ring 10 has a grease guiding function, and the obliquely arranged wrapping ring 10 guides grease to return to the bearing raceway, the sealing structure of the sealing ring 5 comprises an upper end sealing part and a lower end sealing part, an upper sealing ring 7 is formed at the upper end of the upper end sealing part, a lip sealing ring 8 is formed at the lower end of the lower end sealing part, the outer end of the lip sealing ring 8 is inwards sunken and has certain elasticity, better support performance and elasticity can be brought to the sealing ring 5, the sealing ring can be better sealed with the inner wall of the inner ring 2, the upper end and the lower end of the sealing ring 5 are connected with the sealing groove 6 and the inner wall of the inner ring 2 in an interference fit mode, the sealing performance between the edge of the sealing ring 5 and the edge of the sealing groove 6 and the inner wall of the inner ring 2 is ensured, multiple sealing settings from inside to outside are ensured, the sealing ring 5 is used for separating and sealing the inside and the outside of the bearing, external water, grease and foreign matters are prevented from permeating into the inside of the bearing, the grease of the bearing is enabled to deteriorate, and the service life of the bearing is greatly reduced, the bearing has the advantages that the use durability of the bearing can be greatly improved, the material and labor cost for replacing the scrapped bearing are saved, the production efficiency is improved, and the economic benefit is improved.
The sealing ring 5 is an acrylate rubber sealing ring 5 capable of bearing high temperature, and a labyrinth type optimized design is adopted, so that the sealing performance is improved; the materials of the outer ring 1, the inner ring 2, the retainer 3 and the balls 4 are made of Jiangyin clear SKF3 high-quality bearing steel, so that the strength of the whole bearing is ensured, and the cold rolling process is adopted for the outer ring 1 and the inner ring 2, so that the metal fluidity and the tissue density of the outer ring 1 and the inner ring 2 are changed, and the service life of the bearing is prolonged; the utility model relates to a only set up seal groove 6 at 1 inner wall edge of outer circle, do not set up seal groove 6 at 2 inner walls of inner circle, improve the firmness of inner circle 2, improve the life of bearing.
It should be understood that the above-mentioned embodiments are only preferred embodiments of the present invention, and not intended to limit the technical solutions of the present invention, and those skilled in the art can add, subtract, replace, change or modify the above-mentioned embodiments without departing from the spirit and principle of the present invention, and all such additions, substitutions, changes or modifications should fall within the scope of the appended claims.
Claims (7)
1. Motorcycle bent axle left side bearing special bearing, including outer lane (1), inner circle (2), holder (3), ball (4) and sealing washer (5), ball (4) and holder (3) swing joint, ball (4) are spacing between outer lane (1) and inner circle (2), and sealing washer (5) set up in outer lane (1) one side, its characterized in that: outer lane (1) edge one side is equipped with seal groove (6), and install in seal groove (6) sealing washer (5), is equipped with in sealing washer (5) and strengthens piece (9), strengthens piece (9) and has elasticity, and sealing washer (5) both ends are equipped with seal structure, and sealing washer (5) are fully sealed with seal groove (6) and inner circle (2), improve the sealing performance of solid bearing.
2. The special bearing for the left bearing of the motorcycle crankshaft as claimed in claim 1, wherein: the cross section of the sealing ring (5) is integrally in a bow shape.
3. The special bearing for the left bearing of the motorcycle crankshaft as claimed in claim 1, wherein: the sealing structure of the sealing ring (5) comprises an upper end sealing part and a lower end sealing part, an upper sealing ring (7) is formed at the upper end of the upper end sealing part, and a lip sealing ring (8) is formed at the lower end of the lower end sealing part.
4. The motorcycle crankshaft left bearing special bearing according to claim 3, characterized in that: the upper end of the upper sealing ring (7) is conical, and the outer end of the lip sealing ring (8) is inwards sunken.
5. The special bearing for the left bearing of the motorcycle crankshaft as claimed in claim 1, wherein: the cross section of the reinforcing sheet (9) is L-shaped.
6. The special bearing for the left bearing of the motorcycle crankshaft as claimed in claim 1, wherein: the sealing ring (5) wraps the reinforcing sheet (9), and the wrapping rings (10) on two sides of the sealing ring (5) are in contact with two ends of the reinforcing sheet (9).
7. The motorcycle crankshaft left bearing special bearing according to claim 6, characterized in that: the lower end surface of the packing ring (10) at the upper end of the sealing ring (5) is a plane, and the packing ring (10) at the lower end is obliquely arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022822563.2U CN214274218U (en) | 2020-11-30 | 2020-11-30 | Special bearing for motorcycle crankshaft left bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022822563.2U CN214274218U (en) | 2020-11-30 | 2020-11-30 | Special bearing for motorcycle crankshaft left bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214274218U true CN214274218U (en) | 2021-09-24 |
Family
ID=77779325
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022822563.2U Active CN214274218U (en) | 2020-11-30 | 2020-11-30 | Special bearing for motorcycle crankshaft left bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214274218U (en) |
-
2020
- 2020-11-30 CN CN202022822563.2U patent/CN214274218U/en active Active
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