CN219888524U - Non-contact bearing sealing structure - Google Patents
Non-contact bearing sealing structure Download PDFInfo
- Publication number
- CN219888524U CN219888524U CN202320941108.5U CN202320941108U CN219888524U CN 219888524 U CN219888524 U CN 219888524U CN 202320941108 U CN202320941108 U CN 202320941108U CN 219888524 U CN219888524 U CN 219888524U
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- CN
- China
- Prior art keywords
- sealing
- bearing
- inner ring
- outer ring
- grease
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- 238000007789 sealing Methods 0.000 title claims abstract description 85
- 239000004519 grease Substances 0.000 claims abstract description 35
- 239000000428 dust Substances 0.000 description 8
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229920001973 fluoroelastomer Polymers 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Sealing Of Bearings (AREA)
Abstract
The utility model relates to the field of bearings and discloses a non-contact bearing sealing structure which comprises a bearing inner ring and a bearing outer ring, wherein a plurality of bearing balls are arranged between the bearing inner ring and the bearing outer ring, sealing backing plates are respectively arranged on the upper side and the lower side between the bearing inner ring and the bearing outer ring, a group of outer ring sealing grooves are formed in the inner wall of the bearing outer ring, sealing rings are arranged below the outer sides of the sealing backing plates, the corresponding sealing rings are arranged in the outer ring sealing grooves, a group of inner ring sealing grooves are formed in the inner wall of the bearing inner ring, a sealing assembly is arranged in the inner ring sealing grooves, the sealing assembly comprises a group of sealing clamping surfaces arranged in the inner ring sealing grooves, a grease guide lip is arranged below the inner side of the sealing backing plates, a plurality of grease storage lips are arranged on the inner side of the grease guide lips, and the plurality of grease storage lips are arranged indirectly with the group of sealing clamping surfaces, and the sealing performance of the non-contact bearing can be improved.
Description
Technical Field
The utility model relates to the technical field of bearings, in particular to a non-contact bearing sealing structure.
Background
Bearings which carry the rotary support in mechanical products are required to be structurally compact, to dispense with additionally provided sealing assemblies, and can be preloaded with corresponding grease according to the conditions of use thereof to enhance the working function and service life.
The existing bearing is divided into two types, namely contact type sealing and non-contact type sealing according to whether a sealing ring is in contact with an inner ring or not, wherein the non-contact type sealing is only singly clamped between the inner ring and the outer ring of the bearing, friction moment is small, sealing effect is poor, the bearing is only suitable for occasions with good environments, and in order to improve the sealing performance of the non-contact type bearing, a non-contact type bearing sealing structure is provided.
Disclosure of Invention
(one) solving the technical problems
Aiming at the defects existing in the prior art, the utility model provides a non-contact bearing sealing structure which can effectively solve the problems in the prior art.
(II) technical scheme
In order to achieve the above purpose, the utility model is realized by the following technical scheme:
the utility model discloses a non-contact bearing sealing structure which comprises a bearing inner ring and a bearing outer ring, wherein a plurality of bearing balls are arranged between the bearing inner ring and the bearing outer ring, sealing backing plates are respectively arranged on the upper side and the lower side between the bearing inner ring and the bearing outer ring, a group of outer ring sealing grooves are formed in the inner wall of the bearing outer ring, sealing rings are arranged below the outer side of the sealing backing plates, the corresponding sealing rings are arranged in the outer ring sealing grooves, a group of inner ring sealing grooves are formed in the inner wall of the bearing inner ring, and sealing assemblies are arranged in the inner ring sealing grooves.
Still further, seal assembly is including setting up be provided with a set of sealed card face in the inner circle seal groove, the inboard below of sealing backing plate is provided with the fat lip that leads, the inboard of leading the fat lip is provided with a plurality of fat lips that deposit.
Further, a plurality of the fat storage lips are indirectly arranged with a group of the sealing clamping surfaces.
Further, the longitudinal section of the fat storage lip is rectangular, and the gap between the adjacent fat storage lip and the sealing clamping surface is 0.1-0.3 mm.
Further, the longitudinal section of the fat guiding lip is triangular.
Still further, the bottom of sealing backing plate is provided with the welt.
(III) beneficial effects
Compared with the known public technology, the technical scheme provided by the utility model has the following beneficial effects:
according to the utility model, the sealing ring corresponding to the outer side of the sealing backing plate is arranged in the outer ring sealing groove, the inner side of the grease guide lip is provided with the plurality of grease storage lips, and the plurality of grease storage lips are indirectly arranged with a group of sealing clamping surfaces in the inner ring sealing groove, so that leakage of lubricating grease in the bearing and entering of external dust or dust into the bearing can be effectively prevented when the bearing rotates at a high speed, the tightness of the non-contact bearing is improved, and the influence on the normal operation of the bearing is avoided.
The longitudinal section of the grease guide lip is triangular, so that the grease splashed on the grease guide lip can flow back to the bearing balls, and the bearing balls can be lubricated.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It is evident that the drawings in the following description are only some embodiments of the present utility model and that other drawings may be obtained from these drawings without inventive effort for a person of ordinary skill in the art.
FIG. 1 is a perspective view of the present utility model;
FIG. 2 is a partial cross-sectional view of the present utility model;
fig. 3 is an enlarged view at a in fig. 2.
Reference numerals in the drawings represent respectively: 1. a bearing inner ring; 2. a bearing outer ring; 3. bearing balls; 4. a sealing backing plate; 5. an outer ring sealing groove; 6. a seal ring; 7. an inner ring sealing groove; 8. sealing the clamping surface; 9. a lipid-guiding lip; 10. a fat-storing lip; 11. and a lining board.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present utility model more clear, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. It will be apparent that the described embodiments are some, but not all, embodiments of the utility model. 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.
The utility model is further described below with reference to examples.
Examples
1-3, including bearing inner race 1 and bearing outer race 2, be provided with a plurality of bearing balls 3 between bearing inner race 1 and the bearing outer race 2, bearing balls 3 are the stainless steel ball, upper and lower both sides between bearing inner race 1 and the bearing outer race 2 are provided with sealed backing plate 4 respectively, a set of outer lane seal groove 5 has been seted up on the inner wall of bearing outer race 2, the outside below of sealed backing plate 4 is provided with sealing washer 6, the outside of sealing washer 6 is scribbled and is equipped with silicone grease, sealing washer 6 is made for fluororubber, corresponding sealing washer 6 sets up in outer lane seal groove 5, a set of inner circle seal groove 7 has been seted up on the inner wall of bearing inner race 1, be provided with seal assembly in the inner circle seal groove 7, promote the sealed effect to non-contact bearing.
As shown in fig. 2 and 3, the seal assembly comprises a group of seal clamping surfaces 8 arranged in an inner ring seal groove 7, a grease guiding lip 9 is arranged below the inner side of a seal backing plate 4, grease splashed on the grease guiding lip 9 flows back to the bearing balls 3, the bearing balls 3 are further lubricated, a plurality of grease storing lips 10 are arranged on the inner side of the grease guiding lip 9, and leakage of grease in the bearing and entering of external dust or dust into the bearing are effectively prevented.
As shown in fig. 2 and 3, the plurality of grease storage lips 10 are indirectly arranged on the set of sealing clamping surfaces 8, so that leakage of grease in the bearing and entering of external dust or dust into the bearing can be effectively prevented when the bearing rotates at a high speed, and normal operation of the bearing is affected.
As shown in fig. 2 and 3, the longitudinal section of the fat storage lip 10 is rectangular, the gap between the adjacent fat storage lip 10 and the sealing clamping surface 8 is 0.1-0.3 mm, and when the bearing works, the sealing backing plate 4 and the bearing inner ring relatively move through the smaller gap between the adjacent fat storage lip 10 and the sealing clamping surface 8.
As shown in fig. 2 and 3, the longitudinal section of the grease guide lip 9 is triangular, so that grease splashed on the grease guide lip 9 can flow back onto the bearing balls 3, further the bearing balls 3 are lubricated, and the service life of the bearing is prolonged.
As shown in fig. 2 and 3, the bottom of the sealing pad 4 is provided with a lining plate 11, and the lining plate 11 improves the strength of the sealing pad 4 and protects the sealing pad 4 from impact to the sealing pad 4 when the bearing balls 3 inside the bearing are damaged.
In the embodiment, when the grease guiding lip 9 is specifically implemented, the outer ring sealing groove 5 is formed in the sealing ring 6 corresponding to the outer side of the sealing backing plate 4, the grease guiding lip 9 is arranged below the inner side of the sealing backing plate 4 and is triangular in longitudinal section, grease splashed on the grease guiding lip 9 can flow back to the bearing balls 3, the bearing balls 3 are further lubricated, the plurality of grease storage lips 10 are arranged on the inner side of the grease guiding lip 9, the plurality of grease storage lips 10 are indirectly arranged on one group of sealing clamping surfaces 8 in the inner ring sealing groove 7, leakage of the grease in the bearing and entering of external dust or dust into the bearing can be effectively prevented when the bearing rotates at a high speed, the tightness of the non-contact bearing is improved, and the influence on the normal operation of the bearing is avoided.
The above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.
Claims (5)
1. The utility model provides a non-contact bearing seal structure, includes bearing inner race (1) and bearing outer lane (2), its characterized in that: a plurality of bearing balls (3) are arranged between the bearing inner ring (1) and the bearing outer ring (2), sealing backing plates (4) are respectively arranged on the upper side and the lower side between the bearing inner ring (1) and the bearing outer ring (2), a group of outer ring sealing grooves (5) are formed in the inner wall of the bearing outer ring (2), sealing rings (6) are arranged below the outer side of the sealing backing plates (4), the corresponding sealing rings (6) are arranged in the outer ring sealing grooves (5), a group of inner ring sealing grooves (7) are formed in the inner wall of the bearing inner ring (1), and sealing components are arranged in the inner ring sealing grooves (7); the sealing assembly comprises a group of sealing clamping surfaces (8) arranged in the inner ring sealing groove (7), a grease guide lip (9) is arranged below the inner side of the sealing base plate (4), and a plurality of grease storage lips (10) are arranged on the inner side of the grease guide lip (9).
2. A non-contact bearing seal structure according to claim 1, wherein: the plurality of fat storage lips (10) are indirectly arranged with a group of sealing clamping surfaces (8).
3. A non-contact bearing seal structure according to claim 2, wherein: the longitudinal section of the fat storage lip (10) is rectangular, and the gap between the adjacent fat storage lip (10) and the sealing clamping surface (8) is 0.1-0.3 mm.
4. A non-contact bearing seal structure according to claim 1, wherein: the longitudinal section of the fat guiding lip (9) is triangular.
5. A non-contact bearing seal structure according to claim 1, wherein: the bottom of the sealing backing plate (4) is provided with a backing plate (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320941108.5U CN219888524U (en) | 2023-04-24 | 2023-04-24 | Non-contact bearing sealing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320941108.5U CN219888524U (en) | 2023-04-24 | 2023-04-24 | Non-contact bearing sealing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219888524U true CN219888524U (en) | 2023-10-24 |
Family
ID=88398707
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320941108.5U Active CN219888524U (en) | 2023-04-24 | 2023-04-24 | Non-contact bearing sealing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219888524U (en) |
-
2023
- 2023-04-24 CN CN202320941108.5U patent/CN219888524U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |