CN221097221U - Inner diameter four-lip adhesive dustproof cover and inner diameter extrusion type double-lip adhesive check ring composite structure - Google Patents
Inner diameter four-lip adhesive dustproof cover and inner diameter extrusion type double-lip adhesive check ring composite structure Download PDFInfo
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- CN221097221U CN221097221U CN202323197372.1U CN202323197372U CN221097221U CN 221097221 U CN221097221 U CN 221097221U CN 202323197372 U CN202323197372 U CN 202323197372U CN 221097221 U CN221097221 U CN 221097221U
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- lip
- sealing lip
- annular
- inner diameter
- ring
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- 239000000853 adhesive Substances 0.000 title claims abstract description 24
- 230000001070 adhesive effect Effects 0.000 title claims abstract description 24
- 239000002131 composite material Substances 0.000 title claims abstract description 14
- 238000001125 extrusion Methods 0.000 title claims abstract description 14
- 238000007789 sealing Methods 0.000 claims abstract description 154
- 230000008719 thickening Effects 0.000 claims abstract description 8
- 230000007306 turnover Effects 0.000 claims description 29
- 239000000428 dust Substances 0.000 claims description 9
- 230000007423 decrease Effects 0.000 claims description 4
- 238000010276 construction Methods 0.000 claims description 2
- 239000003292 glue Substances 0.000 claims 2
- 239000004519 grease Substances 0.000 abstract description 12
- 238000005299 abrasion Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 6
- 239000003344 environmental pollutant Substances 0.000 description 6
- 231100000719 pollutant Toxicity 0.000 description 6
- 238000000034 method Methods 0.000 description 3
- 238000005457 optimization Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 230000009347 mechanical transmission Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
Landscapes
- Sealing Of Bearings (AREA)
Abstract
The utility model discloses a composite structure of an inner diameter four-lip adhesive dustproof cover and an inner diameter extrusion type double-lip adhesive check ring, which comprises an inner diameter dustproof cover, a first annular framework, a first annular rubber sealing piece, a buffer air bag cavity, an inner sealing lip, a middle sealing lip, an outer sealing lip, an annular groove, a folding sealing lip, a thickening convex ring, a first branch skirt edge, a first folding ring, an inner diameter check ring, a second annular framework, a second annular rubber sealing piece, an upper sealing lip, a lower sealing lip, a second branch skirt edge, a third branch skirt edge and a second folding ring. The utility model can prevent grease in the bearing from overflowing, prevent foreign matters from entering the bearing, reduce abrasion loss in the bearing and prolong the service life of the bearing.
Description
[ Field of technology ]
The utility model relates to the technical field of bearing accessories, in particular to the technical field of a composite structure of an inner diameter four-lip adhesive dustproof cover and an inner diameter extrusion type double-lip adhesive check ring.
[ Background Art ]
The Bearing (Bearing) is an important part in modern mechanical equipment, and is a part for fixing and reducing the friction coefficient of load in the mechanical transmission process, and when other parts generate relative motion on a shaft, the Bearing is a part for reducing the friction coefficient in the power transmission process and keeping the central position of the shaft fixed, and the main functions of the Bearing are to support a mechanical rotating body, reduce the friction coefficient in the motion process and ensure the rotation precision of the mechanical rotating body. The bearing generally comprises an outer ring, an inner ring and rolling bodies positioned between the inner ring and the outer ring, and has poor sealing performance. In the bearing pivoted in-process, the inside lubricating grease of bearing is sealed not tightly easily and is led to leaking outward, and outside dust, moisture and foreign matter invade the bearing inside easily to cause the wearing and tearing of bearing, influence the normal use of bearing, reduce the life of bearing, in order to better protection bearing, consequently, the four lips of internal diameter take gluey shield and the two lips of internal diameter extrusion type to take gluey retaining ring composite construction that need put forward.
[ utility model ]
The utility model aims to solve the problems in the prior art, and provides a composite structure of an inner diameter four-lip adhesive dustproof cover and an inner diameter extrusion type double-lip adhesive check ring, which can prevent grease in a bearing from overflowing, prevent foreign matters from entering the bearing, reduce abrasion loss in the bearing and prolong the service life of the bearing.
In order to achieve the above-mentioned purpose, the utility model proposes a composite structure of an inner diameter four-lip adhesive dustproof cover and an inner diameter extrusion type double-lip adhesive retainer ring, which comprises an inner diameter dustproof cover, a first annular skeleton, a first annular rubber sealing piece, a buffer air bag cavity, an inner sealing lip, a middle sealing lip, an outer sealing lip, an annular groove, a turnover sealing lip, a thickening convex ring, a first branch skirt, a first turnover ring, an inner diameter retainer ring, a second annular skeleton, a second annular rubber sealing piece, an upper sealing lip, a lower sealing lip, a second branch skirt, a third branch skirt and a second turnover ring, wherein the inner diameter dustproof cover is provided with a first annular skeleton, the inner side of the first annular skeleton is embedded with a first annular rubber sealing piece, the inner side of the first annular rubber sealing piece is uniformly clamped with the buffer air bag cavity, the inner diameter ring of the first annular rubber sealing piece is provided with an inner sealing lip, the middle sealing lip and the outer sealing lip which are parallel to each other, the outer side of the inner sealing lip and the outer sealing lip of the first annular rubber sealing piece, the inner side of the inner sealing lip is provided with an annular groove, the inner diameter root of the annular rubber sealing piece is provided with an annular flange, the inner diameter of the root annular skeleton is provided with an annular flange, the annular flange is provided with an annular flange, the end of the turnover sealing lip is provided with an annular flange, the end of the second annular flange is provided with an annular flange cover is provided with an end of the turnover sealing piece, the outer diameter of the upper sealing lip is larger than that of the lower sealing lip, a plurality of second branch skirt edges are arranged at the tail end of the upper sealing lip, a plurality of third branch skirt edges are arranged at the tail end of the lower sealing lip, and a second turnover ring is arranged at the inner diameter of the second annular framework.
Preferably, the first annular rubber seal, the inner sealing lip, the middle sealing lip, the outer sealing lip, the fold-over sealing lip, the thickened convex ring and the first branch skirt are of an integrated structure, and the inner diameters of the inner sealing lip, the middle sealing lip and the outer sealing lip are the same.
Preferably, the cross-sectional shape of the upper sealing lip is circular arc, the thickness of the upper sealing lip gradually decreases from the root to the tip, the cross-sectional shape of the lower sealing lip is circular arc, and the thickness of the lower sealing lip gradually decreases from the root to the tip.
Preferably, the second annular rubber seal, the upper sealing lip, the lower sealing lip, the second branching skirt and the third branching skirt are of an integral structure.
Preferably, the buffer air bag cavity is an annular air bag cavity which is coaxially arranged.
The utility model has the beneficial effects that: according to the utility model, through combining an inner diameter dust cover, a first annular framework, a first annular rubber sealing piece, a buffer air bag cavity, an inner sealing lip, a middle sealing lip, an outer sealing lip, an annular groove, a turnover sealing lip, a thickening convex ring, a first branch skirt edge, a first turnover ring, an inner diameter check ring, a second annular framework, a second annular rubber sealing piece, an upper sealing lip, a lower sealing lip, a second branch skirt edge, a third branch skirt edge and a second turnover ring, through experimental optimization, the first annular framework is tightly matched with a bearing jacket, so that bearing grease is prevented from overflowing from the jacket, the inner sealing lip, the middle sealing lip and the outer sealing lip are used for preventing external pollutants from entering the bearing, so that the bearing is ensured to be intact, meanwhile, the turnover sealing lip is matched with the check ring, the sealing effect is greatly improved, the grease is prevented from overflowing, the external pollutants can be prevented from entering the bearing, the buffer air bag cavity can save the cost, and meanwhile, the elasticity of the first annular rubber sealing piece is improved, and the sealing effect of elastic lamination is improved; the second annular framework is punched into the groove of the bearing inner sleeve to achieve tight fit, so that bearing grease is prevented from overflowing from the inner sleeve, and the upper sealing lip edge and the lower sealing lip edge are matched with the inclined surface of the second annular framework in a contact manner, so that the sealing effect is greatly improved, external pollutants are prevented from entering the bearing, and the grease inside the bearing is prevented from overflowing.
The features and advantages of the present utility model will be described in detail by way of example with reference to the accompanying drawings.
[ Description of the drawings ]
FIG. 1 is a schematic cross-sectional view of a composite structure of an inner diameter four-lip adhesive dust cap and an inner diameter extrusion type double-lip adhesive retainer ring of the utility model.
In the figure: 1-inner diameter dust cover, 2-first annular framework, 3-first annular rubber seal, 4-buffer air bag cavity, 5-inner sealing lip, 6-middle sealing lip, 7-outer sealing lip, 8-annular groove, 9-folding sealing lip, 10-thickening convex ring, 11-first branch skirt, 12 first folding ring, 13-inner diameter retainer ring, 14-second annular framework, 15-second annular rubber seal, 16-upper sealing lip, 17-lower sealing lip, 18-second branch skirt, 19-third branch skirt and 20-second folding ring.
[ Detailed description ] of the invention
Referring to fig. 1, the inner diameter four-lip adhesive dustproof cover and inner diameter extrusion type double-lip adhesive check ring composite structure comprises an inner diameter dustproof cover 1, a first annular framework 2, a first annular rubber sealing piece 3, a buffer air bag cavity 4, an inner sealing lip 5, a middle sealing lip 6, an outer sealing lip 7, an annular groove 8, a turnover sealing lip 9, a thickening convex ring 10, a first branch skirt 11, a first turnover ring 12, an inner diameter check ring 13, a second annular framework 14, a second annular rubber sealing piece 15, an upper sealing lip 16, a lower sealing lip 17, a second branch skirt 18, a third branch skirt 19 and a second turnover ring 20, wherein the inner diameter dustproof cover 1 is provided with the first annular framework 2, the inner side of the first annular framework 2 is embedded with the first annular rubber sealing piece 3, the buffer air bag cavity 4 is uniformly clamped inside the first annular rubber sealing piece 3, the inner diameter ring of the first annular rubber sealing element 3 is provided with an inner sealing lip 5, a middle sealing lip 6 and an outer sealing lip 7 which are parallel to each other, the outer side surface of the inner sealing lip 5 is flush with the outer side surface of the first annular rubber sealing element 3, the inner side of the inner sealing lip 5 is provided with an annular groove 8, the inner diameter outer side ring of the first annular rubber sealing element 3 is provided with a turnover sealing lip 9, the lower part of the first annular framework 2 is clamped at the inner side of the root part of the turnover sealing lip 9, the root part of the turnover sealing lip 9 is provided with a thickening convex ring 10, the tail end of the turnover sealing lip 9 is provided with a plurality of first branch skirt edges 11, the outer diameter of the first annular framework 2 is provided with a first turnover ring 12, the inner diameter check ring 13 is provided with a second annular framework 14, the second annular rubber sealing element 15 is sleeved on the second annular framework 14, the outer diameter ring of the second annular rubber seal 15 is provided with an upper sealing lip 16 and a lower sealing lip 17, the outer diameter of the upper sealing lip 16 is larger than that of the lower sealing lip 17, the tail end of the upper sealing lip 16 is provided with a plurality of second branch skirts 18, the tail end of the lower sealing lip 17 is provided with a plurality of third branch skirts 19, the inner diameter of the second annular framework 14 is provided with a second turnover ring 20, the first annular rubber seal 3, the inner sealing lip 5, the middle sealing lip 6, the outer sealing lip 7, the turnover sealing lip 9, the thickening convex ring 10 and the first branch skirts 11 are of an integral structure, the inner sealing lip 5, the middle sealing lip 6 and the outer sealing lip 7 are of the same inner diameter, the cross section of the upper sealing lip 16 is in the shape of a circular arc, the thickness of the upper sealing lip 16 is gradually reduced from the root to the tail end, the cross section of the lower sealing lip 17 is in the shape of a circular arc, the thickness of the lower sealing lip 17 is gradually reduced from the root to the tail end, the second annular rubber seal 15, the upper sealing lip 16, the lower sealing lip 17, the third branch skirts 18 and the third branch skirts 19 are of an integral air bag cavity 4 are provided with an annular cavity 4.
According to the utility model, through combining an inner diameter dust cover 1, a first annular framework 2, a first annular rubber seal 3, a buffer air bag cavity 4, an inner sealing lip 5, a middle sealing lip 6, an outer sealing lip 7, an annular groove 8, a turnover sealing lip 9, a thickened convex ring 10, a first branch skirt 11, a first turnover ring 12, an inner diameter check ring 13, a second annular framework 14, a second annular rubber seal 15, an upper sealing lip 16, a lower sealing lip 17, a second branch skirt 18, a third branch skirt 19 and a second turnover ring 20, through experimental optimization, the first annular framework 2 is tightly matched with a bearing jacket, bearing grease is prevented from overflowing from the jacket, the inner sealing lip 5, the middle sealing lip 6 and the outer sealing lip 7 are used for preventing external pollutants from entering the bearing, so that the bearing is intact, meanwhile, the bearing inner grease is prevented from overflowing, the turnover sealing lip 9 is matched with the check ring, the sealing effect is greatly increased, the grease is prevented from overflowing, the outer pollutants can be prevented from entering the bearing, the buffer air bag cavity 4 can save cost, and simultaneously the elastic and the first annular rubber seal 3 is improved, and the elastic bonding effect is improved; the second annular framework 14 is punched into the groove of the bearing inner sleeve to achieve tight fit, so that bearing grease is prevented from overflowing from the inner sleeve, and the upper sealing lip 16 and the lower sealing lip 17 are matched with the inclined surfaces of the second annular framework 14 in a contact manner, so that the sealing effect is greatly improved, external pollutants are prevented from entering the bearing, and the grease inside the bearing is prevented from overflowing.
The above embodiments are illustrative of the present utility model, and not limiting, and any simple modifications of the present utility model fall within the scope of the present utility model.
Claims (5)
1. Inner diameter four lips area glues shield and two lips area glues retaining ring composite construction of internal diameter extrusion formula, its characterized in that: comprises an inner diameter dustproof cover (1), a first annular framework (2), a first annular rubber seal (3), a buffer air bag cavity (4), an inner sealing lip (5), a middle sealing lip (6), an outer sealing lip (7), an annular groove (8), a turnover sealing lip (9), a thickened convex ring (10), a first branch skirt (11), a first turnover ring (12), an inner diameter retainer ring (13), a second annular framework (14), a second annular rubber seal (15), an upper sealing lip (16), a lower sealing lip (17), a second branch skirt (18), a third branch skirt (19) and a second turnover ring (20), wherein the inner diameter dustproof cover (1) is provided with the first annular framework (2), the inner side of the first annular framework (2) is embedded with the first annular rubber seal (3), the buffer air bag cavity (4) is uniformly clamped inside the first annular rubber seal (3), the inner diameter ring of the first annular rubber seal (3) is provided with the inner sealing lip (5), the middle sealing lip (6) and the outer sealing lip (7) which are parallel to each other, the inner side of the annular lip (5) is flush with the inner side of the annular lip (5) and the outer side of the annular lip (5), the inner diameter outside ring of first annular rubber seal (3) is equipped with turns over and seal lip (9), the lower part clamp of first annular skeleton (2) is established in turning over the inboard of sealing lip (9) root, the root of turning over sealing lip (9) is provided with thickening bulge loop (10), the end of turning over sealing lip (9) is provided with a plurality of first branch skirts (11), the external diameter of first annular skeleton (2) sets up first turn over circle (12), be provided with second annular skeleton (14) on the internal diameter retaining ring (13), the cover is equipped with second annular rubber seal (15) on second annular skeleton (14), the external diameter ring of second annular rubber seal (15) is equipped with upper seal lip (16) and lower seal lip (17), the external diameter of upper seal lip (16) is greater than the external diameter of lower seal lip (17), the end of upper seal lip (16) is provided with a plurality of second branch skirts (18), the end of lower seal lip (17) is provided with a plurality of third branch skirts (19), the internal diameter of second annular skeleton (14) turns over and turns over circle (20).
2. The inner diameter four-lip adhesive dust cover and inner diameter extrusion type double-lip adhesive check ring composite structure as claimed in claim 1, wherein: the first annular rubber sealing piece (3), the inner sealing lip (5), the middle sealing lip (6), the outer sealing lip (7), the turnover sealing lip (9), the thickening convex ring (10) and the first branch skirt edge (11) are of an integrated structure, and the inner diameters of the inner sealing lip (5), the middle sealing lip (6) and the outer sealing lip (7) are the same.
3. The inner diameter four-lip adhesive dust cover and inner diameter extrusion type double-lip adhesive check ring composite structure as claimed in claim 1, wherein: the upper sealing lip (16) has a circular arc cross-sectional shape, the thickness of the upper sealing lip (16) gradually decreases from the root to the tip, the lower sealing lip (17) has a circular arc cross-sectional shape, and the thickness of the lower sealing lip (17) gradually decreases from the root to the tip.
4. The inner diameter four-lip adhesive dust cover and inner diameter extrusion type double-lip adhesive check ring composite structure as claimed in claim 1, wherein: the second annular rubber sealing piece (15), the upper sealing lip (16), the lower sealing lip (17), the second branch skirt (18) and the third branch skirt (19) are of an integrated structure.
5. The inner diameter four-lip adhesive dust cover and inner diameter extrusion type double-lip adhesive check ring composite structure as claimed in claim 1, wherein: the buffer air bag cavity (4) is an annular air bag cavity which is coaxially arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323197372.1U CN221097221U (en) | 2023-11-27 | 2023-11-27 | Inner diameter four-lip adhesive dustproof cover and inner diameter extrusion type double-lip adhesive check ring composite structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323197372.1U CN221097221U (en) | 2023-11-27 | 2023-11-27 | Inner diameter four-lip adhesive dustproof cover and inner diameter extrusion type double-lip adhesive check ring composite structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221097221U true CN221097221U (en) | 2024-06-07 |
Family
ID=91316713
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323197372.1U Active CN221097221U (en) | 2023-11-27 | 2023-11-27 | Inner diameter four-lip adhesive dustproof cover and inner diameter extrusion type double-lip adhesive check ring composite structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221097221U (en) |
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2023
- 2023-11-27 CN CN202323197372.1U patent/CN221097221U/en active Active
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| GR01 | Patent grant |