CN216922883U - Three-lip adhesive dustproof cover with long lip structure - Google Patents
Three-lip adhesive dustproof cover with long lip structure Download PDFInfo
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- CN216922883U CN216922883U CN202220145837.5U CN202220145837U CN216922883U CN 216922883 U CN216922883 U CN 216922883U CN 202220145837 U CN202220145837 U CN 202220145837U CN 216922883 U CN216922883 U CN 216922883U
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- outer ring
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Abstract
The utility model discloses a three-lip rubber dustproof cover with a long lip structure, which comprises an annular framework, a first annular sealing element and a second annular rubber sealing element, wherein the inner ring of the annular framework is provided with the first annular sealing element which is adaptive to the first annular sealing element, and the outer ring of the annular framework is provided with the second annular rubber sealing element which is adaptive to the second annular sealing element. According to the utility model, the outer diameter of the folded edge of the first outer ring, the large diameter of the folded edge of the second outer ring, the folded edge of the third outer ring and the folded edge of the fourth outer ring are tightly matched with the groove of the bearing outer sleeve, so that external pollutants are prevented from entering the bearing, and the bearing is ensured to be intact.
Description
[ technical field ] A method for producing a semiconductor device
The utility model relates to the technical field of bearings, in particular to the technical field of a three-lip adhesive dustproof cover with a long lip structure.
[ background of the utility model ]
The Bearing (Bearing) is an important part in the modern mechanical equipment. Its main function is to support the mechanical rotator, reduce the friction coefficient in its motion process and ensure its rotation precision. The bearing generally comprises an outer ring, an inner ring and rolling bodies, has poor sealing performance, generally, lubricating oil in the bearing leaks outwards, and external dust, moisture and foreign matters enter the bearing in the rotating process, so that the bearing is abraded.
[ Utility model ] content
The utility model aims to solve the problems in the prior art, and provides a three-lip adhesive dustproof cover with a long lip structure, which can protect a bearing, prevent lubricating oil in the bearing from leaking, prevent the bearing from being corroded and polluted and prolong the service life of the bearing.
In order to achieve the purpose, the utility model provides a three-lip rubber dustproof cover with a long lip structure, which comprises an annular framework, a first annular sealing element and a second annular rubber sealing element, wherein the inner ring of the annular framework is provided with the first annular sealing element which is adaptive to the first annular sealing element, and the outer ring of the annular framework is provided with the second annular rubber sealing element which is adaptive to the second annular sealing element.
Preferably, the annular framework comprises a main framework, a first outer ring folded edge, a second outer ring folded edge, a third outer ring folded edge, a fourth outer ring folded edge, a first inner ring folded edge and a second inner ring folded edge, the main framework is a conical surface framework, the large-diameter end of the main framework is provided with the first outer ring folded edge which extends radially outwards, the outer diameter of the first outer ring folded edge is provided with the second outer ring folded edge which bends towards the small-diameter end of the main framework, the second outer ring folded edge is a conical surface folded edge, the large-diameter end of the second outer ring folded edge is adaptively connected with the outer diameter end of the first outer ring folded edge, the small-diameter end of the second outer ring folded edge is provided with the third outer ring folded edge which extends radially outwards, the outer diameter of the third outer ring folded edge is provided with the fourth outer ring folded edge which bends towards the small-diameter end of the main framework, the small-diameter end of the main framework is provided with the first inner ring folded edge which extends radially inwards, the inner diameter of the first folded edge is provided with the second outer ring folded edge which bends outwards, the second inner ring folded edge is far away from the large-diameter end of the main body framework.
Preferably, the main body framework, the first outer ring folded edge, the second outer ring folded edge, the third outer ring folded edge, the fourth outer ring folded edge, the first inner ring folded edge and the second inner ring folded edge are coaxial, and the outer diameter of the first outer ring folded edge, the outer diameter of the second outer ring folded edge, the outer diameter of the third outer ring folded edge and the outer diameter of the fourth outer ring folded edge are equal.
Preferably, the first annular sealing element is arranged on the inner ring of the main body framework, the first annular sealing element and the main body framework are coaxial, the first annular sealing element is close to the first inner ring folded edge, and three first sealing long lips extending in the radial direction are arranged on the inner ring of the first annular sealing element.
Preferably, the second annular rubber sealing element is arranged on the outer ring of the second outer ring folded edge, the second annular rubber sealing element and the second outer ring folded edge are coaxial, the second annular rubber sealing element is close to the third outer ring folded edge, and a plurality of coaxial annular grooves are formed in the outer ring of the second annular rubber sealing element.
The utility model has the beneficial effects that: according to the utility model, the outer diameter of the hem of the first outer ring, the large diameter of the hem of the second outer ring, the hem of the third outer ring and the hem of the fourth outer ring are tightly matched with the groove of the bearing outer sleeve, so that external pollutants are prevented from entering the bearing, the bearing is ensured to be intact, the second annular rubber sealing element presses the groove of the bearing outer sleeve, the plurality of annular grooves are sucked at the groove of the bearing outer sleeve like a sucker, the sealing property between the outer ring of the annular framework and the groove of the bearing outer sleeve is further enhanced, and meanwhile, the internal grease is well ensured not to overflow from the outer sleeve; the three first sealing long lips are in interference fit with the inner sleeve, so that the starting torque and the rotating torque of the bearing are lighter, the temperature rise of the bearing in the use process is smaller, grease leakage of bearing grease can be effectively prevented, the strength and the stability of the first inner ring folding edge are enhanced by the second inner ring folding edge, and the stability of the three first sealing long lips and the interference fit of the inner sleeve is further enhanced.
The features and advantages of the present invention will be described in detail by embodiments in conjunction with the accompanying drawings.
[ description of the drawings ]
FIG. 1 is a schematic sectional front view of a three-lip adhesive dust cap with a long lip structure according to the present invention.
[ detailed description ] embodiments
Referring to fig. 1, the utility model relates to a three-lip adhesive dust cap with a long lip structure, which comprises an annular framework 1, a first annular sealing element 2 and a second annular rubber sealing element 3, wherein the inner ring of the annular framework 1 is provided with the first annular sealing element 2 which is adaptive to the first annular sealing element, and the outer ring of the annular framework 1 is provided with the second annular rubber sealing element 3 which is adaptive to the second annular sealing element.
Wherein, the annular framework 1 comprises a main framework 11, a first outer ring folded edge 12, a second outer ring folded edge 13, a third outer ring folded edge 14, a fourth outer ring folded edge 15, a first inner ring folded edge 16 and a second inner ring folded edge 17, the main framework 11 is a conical surface framework, the large-diameter end of the main framework 11 is provided with the first outer ring folded edge 12 which extends radially outwards, the outer diameter of the first outer ring folded edge 12 is provided with the second outer ring folded edge 13 which bends towards the small-diameter end of the main framework 11, the second outer ring folded edge 13 is a conical surface folded edge, the large-diameter end of the second outer ring folded edge 13 is adaptively connected with the outer diameter end of the first outer ring folded edge 12, the small-diameter end of the second outer ring folded edge 13 is provided with the third outer ring folded edge 14 which extends radially outwards, the outer diameter of the third outer ring folded edge 14 is provided with the fourth outer ring folded edge 15 which bends towards the small-diameter end of the main framework 11, the small-diameter end of the main framework 11 is provided with the first inner ring folded edge 16 which extends radially inwards, the inner diameter of the first inner ring folded edge 1 is provided with a second inner ring folded edge 17 which is bent outwards, and the second inner ring folded edge 17 is far away from the large-diameter end of the main body framework 11.
The main body framework 11, the first outer ring folded edge 12, the second outer ring folded edge 13, the third outer ring folded edge 14, the fourth outer ring folded edge 15, the first inner ring folded edge 16 and the second inner ring folded edge 17 are coaxial, and the outer diameter of the first outer ring folded edge 12, the large diameter of the second outer ring folded edge 13, the outer diameter of the third outer ring folded edge 14 and the outer diameter of the fourth outer ring folded edge 15 are equal.
The first annular sealing element 2 is arranged on an inner ring of the main body framework 11, the first annular sealing element 2 and the main body framework 11 are coaxial, the first annular sealing element 2 is close to the first inner ring folding edge 16, and three first sealing long lips 21 extending in the radial direction are arranged on the inner ring of the first annular sealing element 2.
The second annular rubber sealing element 3 is arranged on the outer ring of the second outer ring folded edge 13, the second annular rubber sealing element 3 and the second outer ring folded edge 13 are coaxial, the second annular rubber sealing element 3 is close to the third outer ring folded edge 14, and a plurality of coaxial annular grooves 31 are arranged on the outer ring of the second annular rubber sealing element 3.
The working process of the utility model is as follows:
in the working process of the three-lip adhesive dustproof cover with the long lip structure, the outer diameter of the first outer ring folded edge 12, the large diameter of the second outer ring folded edge 13, the outer ring of the third outer ring folded edge 14 and the outer ring of the fourth outer ring folded edge 15 are tightly matched with the groove of the bearing outer sleeve, so that external pollutants are prevented from entering the bearing, the bearing is ensured to be intact, the second annular rubber sealing element 3 presses the groove of the bearing outer sleeve, the plurality of annular grooves 31 are sucked at the groove of the bearing outer sleeve like a sucking disc, the sealing property between the outer ring of the annular framework 1 and the groove of the bearing outer sleeve is further enhanced, and meanwhile, the internal grease is well ensured not to overflow from the outer sleeve; three first sealed long lip 21 and endotheca interference fit for the starting torque and the rotation moment of torsion of bearing are lighter, let the bearing temperature rise in the use less, more can effectively prevent that the bearing grease from leaking the fat, and second inner circle hem 17 has strengthened the intensity and the stability of first inner circle hem 16, and then has strengthened three first sealed long lip 21 and endotheca interference fit's stability.
The above embodiments are illustrative of the present invention, and are not intended to limit the present invention, and any simple modifications of the present invention are within the scope of the present invention.
Claims (5)
1. A three-lip adhesive dust cover with a long lip structure is characterized in that; annular skeleton (1), first annular sealing member (2), second annular rubber seal spare (3), annular skeleton (1) inner circle is equipped with first annular sealing member (2) that suit, and annular skeleton (1) outer lane is equipped with second annular rubber seal spare (3) that suit.
2. The three-lip adhesive dust cap with a long lip structure according to claim 1, wherein: the annular framework (1) comprises a main framework (11), a first outer ring flange (12), a second outer ring flange (13), a third outer ring flange (14), a fourth outer ring flange (15), a first inner ring flange (16) and a second inner ring flange (17), wherein the main framework (11) is a conical surface framework, the large-diameter end of the main framework (11) is provided with the first outer ring flange (12) which extends radially outwards, the outer diameter of the first outer ring flange (12) is provided with the second outer ring flange (13) which bends towards the small-diameter end of the main framework (11), the second outer ring flange (13) is a conical surface flange, the large-diameter end of the second outer ring flange (13) is adaptive to and connected with the outer diameter end of the first outer ring flange (12), the small-diameter end of the second outer ring flange (13) is provided with the third outer ring flange (14) which extends radially outwards, the outer diameter of the third outer ring flange (14) is provided with the fourth outer ring flange (15) which bends towards the small-diameter end of the main framework (11), the small diameter end of the main body framework (11) is provided with a first inner ring folding edge (16) which extends inwards in the radial direction, a second inner ring folding edge (17) which bends outwards is arranged at the inner diameter position of the first inner ring folding edge (16), and the second inner ring folding edge (17) is far away from the large diameter end of the main body framework (11).
3. The three-lip adhesive dust cap with a long lip structure according to claim 2, wherein: the main body framework (11), the first outer ring folded edge (12), the second outer ring folded edge (13), the third outer ring folded edge (14), the fourth outer ring folded edge (15), the first inner ring folded edge (16) and the second inner ring folded edge (17) are coaxial, and the outer diameter of the first outer ring folded edge (12), the large diameter of the second outer ring folded edge (13), the outer diameter of the third outer ring folded edge (14) and the outer diameter of the fourth outer ring folded edge (15) are equal.
4. The three-lip adhesive dust cap with a long lip structure according to claim 1, wherein: the first annular sealing element (2) is arranged on the inner ring of the main body framework (11), the first annular sealing element (2) and the main body framework (11) are coaxial, the first annular sealing element (2) is close to a first inner ring folding edge (16), and the inner ring of the first annular sealing element (2) is provided with three first sealing long lips (21) extending in the radial direction.
5. The three-lip adhesive dust cap with a long lip structure according to claim 1, wherein: the second annular rubber sealing element (3) is arranged on the outer ring of the second outer ring folded edge (13), the second annular rubber sealing element (3) and the second outer ring folded edge (13) are coaxial, the second annular rubber sealing element (3) is close to the third outer ring folded edge (14), and a plurality of coaxial annular grooves (31) are arranged on the outer ring of the second annular rubber sealing element (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220145837.5U CN216922883U (en) | 2022-01-20 | 2022-01-20 | Three-lip adhesive dustproof cover with long lip structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220145837.5U CN216922883U (en) | 2022-01-20 | 2022-01-20 | Three-lip adhesive dustproof cover with long lip structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216922883U true CN216922883U (en) | 2022-07-08 |
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ID=82263975
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220145837.5U Active CN216922883U (en) | 2022-01-20 | 2022-01-20 | Three-lip adhesive dustproof cover with long lip structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216922883U (en) |
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2022
- 2022-01-20 CN CN202220145837.5U patent/CN216922883U/en active Active
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