CN220850426U - Sealing element for motor vehicle bearing - Google Patents
Sealing element for motor vehicle bearing Download PDFInfo
- Publication number
- CN220850426U CN220850426U CN202322700564.3U CN202322700564U CN220850426U CN 220850426 U CN220850426 U CN 220850426U CN 202322700564 U CN202322700564 U CN 202322700564U CN 220850426 U CN220850426 U CN 220850426U
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- rubber plate
- annular rubber
- sealing ring
- sealing
- cavity
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- 238000007789 sealing Methods 0.000 title claims abstract description 128
- 230000001050 lubricating effect Effects 0.000 claims abstract description 5
- 230000006835 compression Effects 0.000 claims description 21
- 238000007906 compression Methods 0.000 claims description 21
- 239000012530 fluid Substances 0.000 claims 1
- 239000007788 liquid Substances 0.000 abstract description 8
- 238000005461 lubrication Methods 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 3
- 238000005381 potential energy Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Sealing Of Bearings (AREA)
Abstract
The utility model provides a sealing piece for a motor vehicle bearing, which comprises a second sealing ring, wherein a first annular rubber plate and a third annular rubber plate are coaxially arranged on one side of the second sealing ring, the first annular rubber plate and the third annular rubber plate are vertically fixed on the side face of the second sealing ring, the first annular rubber plate and the third annular rubber plate are respectively positioned at the inner side edge and the outer side edge of the second sealing ring, and arc-shaped grooves are respectively formed in one ends of the first annular rubber plate and the third annular rubber plate, which are far away from the second sealing ring. When the bearing ball bearing is used, the inner walls at two sides of the bearing ball area and the rotating piece are tightly sealed through the arc-shaped grooves and the arc-shaped protrusions, so that the fit degree between the second sealing ring and the bearing is improved, the sealing performance of the bearing ball area is enhanced, and the running efficiency of the bearing is influenced due to the fact that lubricating liquid on the balls is lost too quickly.
Description
Technical Field
The utility model belongs to the technical field of bearing sealing elements, and particularly relates to a sealing element for a motor vehicle bearing.
Background
Bearings are an important component in contemporary mechanical devices. Its main function is supporting machinery rotator, reduces the coefficient of friction in its motion to guarantee its gyration precision, have the steel ball between the inner circle of bearing and the outer lane, and seal the steel ball through rubber seal, prevent outside dust entering in the steel ball to influence its lubrication degree, current bearing seal when using, can lead to the lubrication liquid of bearing department to scatter and disappear too soon along with the high-speed rotation of bearing, thereby cause bearing rotation friction increase, can both produce wearing and tearing to sealing member and bearing itself, influence the life of bearing and sealing member. To this end, we propose a seal for a motor vehicle bearing to solve the above-mentioned problems.
Disclosure of utility model
In order to solve the above-mentioned deficiencies of the prior art, the present utility model proposes a seal for a motor vehicle bearing.
The technical scheme of the utility model is realized as follows: the sealing piece for the motor vehicle bearing comprises a second sealing ring, wherein a first annular rubber plate and a third annular rubber plate are coaxially arranged on one side of the second sealing ring, the first annular rubber plate and the third annular rubber plate are vertically fixed on the side face of the second sealing ring, the first annular rubber plate and the third annular rubber plate are respectively positioned at the inner side edge and the outer side edge of the second sealing ring, and arc-shaped grooves are formed in one ends, far away from the second sealing ring, of the first annular rubber plate and the third annular rubber plate;
The first annular rubber plate and the third annular rubber plate are arranged between them, the second annular rubber plate and the fourth annular rubber plate are arranged coaxially with the second sealing ring, and are vertically fixed on the second sealing ring, the second annular rubber plate is clung to the outer wall of the first annular rubber plate, the fourth annular rubber plate is clung to the inner wall of the third annular rubber plate, and the ends of the second annular rubber plate and the fourth annular rubber plate far away from the second sealing ring are provided with arc protrusions.
Preferably, the inside of second sealing washer is equipped with the second cavity, second cavity is close to second annular rubber slab one side and is equipped with a plurality of equidistance second through-holes of arranging, and the second through-hole is located between second annular rubber slab and the fourth annular rubber slab, and runs through the second sealing washer.
Preferably, the outside of second sealing washer is coaxial to be equipped with first sealing washer, first sealing washer and second sealing washer fixed connection, and the overall length of the length second sealing washer of first sealing washer and second annular rubber board, the inside of first sealing washer is equipped with first cavity, and first cavity and second cavity communicate each other, the inboard of first sealing washer is equipped with a plurality of equidistance and arranges first through-holes, and first through-hole runs through first sealing washer to in the first cavity. Preferably, the outside and the inboard of first sealing washer are all coaxial to be equipped with a plurality of first annular protruding of arranging along the length direction equidistance of first sealing washer, first annular protruding and first sealing washer fixed connection, the inside of first cavity is equipped with a plurality of equidistance and arranges first compression spring, and first compression spring sets up along the radial length direction of first sealing washer, and the both ends of first compression spring all with first sealing washer fixed connection.
Preferably, a third sealing ring is arranged on one side, far away from the second annular rubber plate, of the second sealing ring, an annular groove is coaxially formed near the inner side of the third sealing ring, the annular groove penetrates through the inner wall of the third sealing ring, and a second annular bulge is coaxially arranged on the side surface of the annular groove;
The inside of third sealing washer is equipped with the third cavity, the third cavity is linked together with second cavity and first cavity, the inside of third cavity is equipped with a plurality of equidistance and arranges the second compression spring, and second compression spring sets up along third sealing washer footpath length direction, and the both ends of second compression spring all with third sealing washer fixed connection.
Preferably, the first cavity, the second cavity and the third cavity are all provided with lubricating liquid.
Compared with the prior art, when the bearing ball bearing is used, the inner walls at two sides of the bearing ball area and the rotating piece are tightly sealed through the design of the arc-shaped grooves and the arc-shaped protrusions, so that the degree of fit between the second sealing ring and the bearing is improved, the tightness of the bearing ball area is enhanced, and the running efficiency of the bearing is influenced due to the fact that lubricating liquid on the balls is lost too quickly.
Drawings
The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:
FIG. 1 is a schematic view of the overall structure of a seal for a motor vehicle bearing according to the present utility model;
fig. 2 is a schematic cross-sectional view of a seal for a motor vehicle bearing according to the present utility model.
In the figure: 1. a first seal ring; 2. a second seal ring; 3. a third seal ring; 4. a first annular rubber plate; 5. a second annular rubber plate; 6. a third annular rubber plate; 7. a fourth annular rubber plate; 8. a first annular projection; 9. a first cavity; 10. a second cavity; 11. a first through hole; 12. a second through hole; 13. a first compression spring; 14. an annular groove; 15. a second annular projection; 16. a third cavity; 17. and a second compression spring.
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. 1-2, the present utility model provides a technical solution: the sealing piece for the motor vehicle bearing comprises a second sealing ring 2, wherein a first annular rubber plate 4 and a third annular rubber plate 6 are coaxially arranged on one side of the second sealing ring 2, the first annular rubber plate 4 and the third annular rubber plate 6 are vertically fixed on the side surface of the second sealing ring 2, the first annular rubber plate 4 and the third annular rubber plate 6 are respectively positioned at the inner side edge and the outer side edge of the second sealing ring 2, and arc-shaped grooves are respectively formed in one ends of the first annular rubber plate 4 and the third annular rubber plate 6, which are far away from the second sealing ring 2;
the first annular rubber plate 4 and the third annular rubber plate 6 are provided with a second annular rubber plate 5 and a fourth annular rubber plate 7, the second annular rubber plate 5 and the fourth annular rubber plate 7 are coaxially arranged with the second sealing ring 2, the second annular rubber plate 5 and the fourth annular rubber plate 7 are vertically fixed on the second sealing ring 2, the second annular rubber plate 5 is tightly attached to the outer wall of the first annular rubber plate 4, the fourth annular rubber plate 7 is tightly attached to the inner wall of the third annular rubber plate 6, and one ends, far away from the second sealing ring 2, of the second annular rubber plate 5 and the fourth annular rubber plate 7 are all provided with arc protrusions.
Specifically, through the design of arc recess and arc arch, the both sides inner wall in bearing ball area and the piece of rotating hugs closely sealedly, improves the laminating degree between second sealing washer and the bearing, strengthens bearing ball area's leakproofness to prevent that the lubrication liquid on the ball from running off too fast, influence the operating efficiency of bearing.
Further, the second sealing ring 2 is provided with a second cavity 10, a plurality of second through holes 12 are formed in one side of the second cavity 10, which is close to the second annular rubber plate 5, and the second through holes 12 are located between the second annular rubber plate 5 and the fourth annular rubber plate 7 and penetrate through the second sealing ring 12, and lubrication liquid is conveyed to the bearing ball area through the second through holes 2, so that the lubrication liquid at the bearing ball is sufficient, and the replacement frequency of bearing disassembly and oil filling is reduced.
Further, the outside of second sealing washer 2 is coaxial to be equipped with first sealing washer 1, and first sealing washer 1 and second sealing washer 2 fixed connection, and the overall length of the length second sealing washer 2 of first sealing washer 1 and second annular rubber slab 5, the inside of first sealing washer 1 is equipped with first cavity 9, and first cavity 9 and second cavity 10 communicate each other, the inboard of first sealing washer 1 is equipped with a plurality of equidistance range's first through-hole 11, and first through-hole 11 runs through in first sealing washer 1 to the first cavity 9.
Further, a plurality of first annular protrusions 8 are coaxially arranged on the outer side and the inner side of the first sealing ring 1 along the length direction of the first sealing ring 1, the first annular protrusions 8 are fixedly connected with the first sealing ring 1, a plurality of first compression springs 13 are arranged in the first cavity 9 along the radial direction of the first sealing ring 1, the two ends of each first compression spring 13 are fixedly connected with the first sealing ring 1, the sealing of the first sealing ring 1 and the bearing mounting position is increased through the first annular protrusions 8, the sealing element is firmly mounted on the bearing mounting position, meanwhile, the first sealing ring 1 is compressed by the joint extrusion between the outer wall of the mounting position and the bearing to generate elastic potential energy, the elastic potential energy is counteracted with the bearing, and the fixing and sealing performance of the bearing are enhanced.
Further, a third sealing ring 3 is arranged on one side of the second sealing ring 2 far away from the second annular rubber plate 5, an annular groove 14 is coaxially formed on the inner side of the third sealing ring 3, the annular groove 14 penetrates through the inner wall of the third sealing ring 3, a second annular bulge 15 is coaxially formed on the side surface of the annular groove 14, the installation of a sealing element fixing seat is facilitated through the annular groove 14, and meanwhile, the firmness of the sealing element fixing seat on the third sealing ring 3 is improved through the second annular bulge 15;
The inside of third sealing washer 3 is equipped with third cavity 16, third cavity 16 is linked together with second cavity 10 and first cavity 9, the inside of third cavity 16 is equipped with a plurality of equidistance second compression springs 17 of arranging, and second compression springs 17 set up along the footpath length direction of third sealing washer 3, and the both ends of second compression springs 17 all with third sealing washer 3 fixed connection, through second compression springs 17, when the sealing member fixing base is installed, receive sealing member fixing base outer wall extrusion, make its compression produce elastic potential energy to reaction sealing member fixing base, make the fixed and the leakproofness of sealing member fixing base obtain strengthening.
Further, the first cavity 9, the second cavity 10 and the third cavity 16 are all provided with lubricating liquid.
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 (6)
1. A seal for a motor vehicle bearing, comprising a second sealing ring (2), characterized in that: a first annular rubber plate (4) and a third annular rubber plate (6) are coaxially arranged on one side of the second sealing ring (2), the first annular rubber plate (4) and the third annular rubber plate (6) are vertically fixed on the side face of the second sealing ring (2), the first annular rubber plate (4) and the third annular rubber plate (6) are respectively positioned at the inner side edge and the outer side edge of the second sealing ring (2), and arc-shaped grooves are formed in one ends, far away from the second sealing ring (2), of the first annular rubber plate (4) and the third annular rubber plate (6);
The novel sealing device is characterized in that a second annular rubber plate (5) and a fourth annular rubber plate (7) are arranged between the first annular rubber plate (4) and the third annular rubber plate (6), the second annular rubber plate (5) and the fourth annular rubber plate (7) are coaxially arranged with the second sealing ring (2), the second annular rubber plate (5) and the fourth annular rubber plate (7) are vertically fixed on the second sealing ring (2), the second annular rubber plate (5) is tightly attached to the outer wall of the first annular rubber plate (4), the fourth annular rubber plate (7) is tightly attached to the inner wall of the third annular rubber plate (6), and arc-shaped protrusions are arranged at one ends, far away from the second sealing ring (2), of the second annular rubber plate (5) and the fourth annular rubber plate (7).
2. A sealing element for a motor vehicle bearing according to claim 1, characterized in that the second sealing ring (2) is internally provided with a second cavity (10), one side of the second cavity (10) close to the second annular rubber plate (5) is provided with a plurality of second through holes (12) which are equidistantly arranged, and the second through holes (12) are positioned between the second annular rubber plate (5) and the fourth annular rubber plate (7) and penetrate through the second sealing ring (2).
3. The sealing member for motor vehicle bearings according to claim 1, characterized in that the outer side of the second sealing ring (2) is coaxially provided with a first sealing ring (1), the first sealing ring (1) is fixedly connected with the second sealing ring (2), the length of the first sealing ring (1) is greater than the total length of the second sealing ring (2) and the second annular rubber plate (5), a first cavity (9) is arranged in the first sealing ring (1), the first cavity (9) and the second cavity (10) are mutually communicated, a plurality of first through holes (11) are formed in the inner side of the first sealing ring (1) and are arrayed at equal intervals, and the first through holes (11) penetrate through the first sealing ring (1) to the first cavity (9).
4. A sealing member for a motor vehicle bearing according to claim 3, wherein, the outside and the inboard of first sealing washer (1) all are coaxial to be equipped with a plurality of first annular protruding (8) of arranging along the length direction equidistance of first sealing washer (1), first annular protruding (8) and first sealing washer (1) fixed connection, the inside of first cavity (9) is equipped with a plurality of equidistant first compression springs (13) of arranging, and first compression springs (13) are along the radial direction setting of first sealing washer (1), and the both ends of first compression springs (13) all with first sealing washer (1) fixed connection.
5. A sealing element for a motor vehicle bearing according to claim 1 or 3, characterized in that a third sealing ring (3) is arranged on one side of the second sealing ring (2) far away from the second annular rubber plate (5), an annular groove (14) is coaxially arranged on the inner side of the third sealing ring (3), the annular groove (14) penetrates through the inner wall of the third sealing ring (3), and a second annular bulge (15) is coaxially arranged on the side surface of the annular groove (14);
The inside of third sealing washer (3) is equipped with third cavity (16), third cavity (16) are linked together with second cavity (10) and first cavity (9), the inside of third cavity (16) is equipped with second compression spring (17) of a plurality of equidistance range, and second compression spring (17) set up along the radial length direction of third sealing washer (3), and the both ends of second compression spring (17) all with third sealing washer (3) fixed connection.
6. A seal for a motor vehicle bearing according to claim 5, characterized in that the first (9), second (10) and third (16) cavities are each provided with a lubricating fluid inside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322700564.3U CN220850426U (en) | 2023-10-09 | 2023-10-09 | Sealing element for motor vehicle bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322700564.3U CN220850426U (en) | 2023-10-09 | 2023-10-09 | Sealing element for motor vehicle bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220850426U true CN220850426U (en) | 2024-04-26 |
Family
ID=90742100
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322700564.3U Active CN220850426U (en) | 2023-10-09 | 2023-10-09 | Sealing element for motor vehicle bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220850426U (en) |
-
2023
- 2023-10-09 CN CN202322700564.3U patent/CN220850426U/en active Active
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