CN215980485U - High-sealing rolling bearing - Google Patents
High-sealing rolling bearing Download PDFInfo
- Publication number
- CN215980485U CN215980485U CN202121952850.3U CN202121952850U CN215980485U CN 215980485 U CN215980485 U CN 215980485U CN 202121952850 U CN202121952850 U CN 202121952850U CN 215980485 U CN215980485 U CN 215980485U
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- bearing
- sealing element
- sealing
- outer ring
- rolling
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- Rolling Contact Bearings (AREA)
Abstract
The utility model particularly relates to a high-sealing rolling bearing, belonging to the technical field of high-sealing rolling bearings, the sealing element can not only block outside impurities outside the bearing to keep the working environment of the bearing clean, but also prevent the sealing element from rotating, thereby leading the bearing to achieve better performance, increasing the friction force between the sealing element and the bearing outer ring through the interference fit of the two bosses of the outer lip of the sealing element and the two outer ring anti-skid grooves on the bearing outer ring respectively, thereby preventing the sealing element from rotating, effectively preventing impurities from entering the rolling bearing through the U-shaped sealing structure formed by the matching of the two inner lips on the sealing element and the bearing inner ring, therefore, the good impurity prevention effect is achieved, the rolling bearing achieves a better sealing effect, and the moment of the bearing is reduced while high sealing performance is achieved.
Description
Technical Field
The utility model particularly relates to a rolling bearing with high sealing property.
Background
The rolling bearing plays an important role in various fields, but the existing rolling bearing has the following defects in the using process:
firstly, the bearing needs good working environment in the working process, and is not polluted by external impurities, the bearing is required to have high sealing performance, so that the bearing is required to have an excellent sealing structure, the existing rolling bearing mostly adopts a rubber sealing ring as a sealing element of the bearing to easily cause the external impurities to enter the bearing, and the sealing element can rotate, abnormal abrasion of the outer lip of the sealing element is caused, so that the sealing element is failed, the abrasion of the steel ball and a retainer, the steel ball and the inner and outer ring raceways of the bearing is aggravated when the bearing works, the steel ball surface and the inner and outer ring raceways of the bearing are peeled off, the service life of the bearing is shortened, the operation of the whole mechanical equipment is influenced, and the high-sealing rolling bearing is provided.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects in the prior art, the utility model provides a rolling bearing with high sealing property.
The utility model provides a high-sealing rolling bearing which comprises a bearing outer ring and a bearing inner ring, wherein a rolling body is arranged between the bearing inner ring and the bearing outer ring, the rolling body is arranged on the inner surface of a retainer connected with and guiding rotation, a sealing element is arranged between the bearing inner ring and the bearing outer ring, the bearing outer ring is in interference fit with the sealing element, bearing raceways are arranged on the inner surface of the bearing outer ring and the outer surface of the bearing inner ring, an outer lip of the sealing element is arranged on the outer edge of the sealing element, two outer ring anti-skidding grooves are arranged on the bearing outer ring, two inner lips are arranged on the inner surface of the sealing element, two inner ring dust grooves are arranged on the bearing inner ring, and the sealing element is also provided with an oil guide lip.
The utility model has the beneficial effects that: by adopting the scheme, the sealing element can not only block outside impurities outside the bearing, so that the working environment of the bearing is kept clean, but also the rotation of the sealing element is prevented, and the bearing can achieve better performance.
The utility model is further provided that two bosses of the outer lip of the sealing element and two outer ring anti-slip grooves on the outer ring of the bearing are in interference fit respectively, and the interference magnitude between the two bosses and the two outer ring anti-slip grooves is 0.15 mm.
The beneficial effect who so sets up is: by adopting the scheme, the friction force between the sealing element and the bearing outer ring can be increased by respectively performing interference fit on the two bosses of the outer lip of the sealing element and the two outer ring anti-slip grooves on the bearing outer ring, so that the sealing element is prevented from rotating.
The utility model is further set that the inner lip of the sealing element is in clearance fit with the sealing groove of the bearing inner ring, and the clearance distance between the inner lip of the sealing element and the sealing groove of the bearing inner ring is 0.05 mm.
The beneficial effect who so sets up is: by adopting the scheme, the inner lip of the sealing element and the sealing groove of the bearing inner ring form a U-shaped loop in clearance fit.
The utility model is further provided with a U-shaped sealing structure formed by matching two inner lips on the sealing element and the bearing inner ring.
The beneficial effect who so sets up is: by adopting the scheme, impurities can be effectively prevented from entering the rolling bearing through the U-shaped sealing structure formed by matching the two inner lips on the sealing element and the bearing inner ring, so that a good impurity prevention effect is achieved, the rolling bearing achieves a better sealing effect, and the moment of the bearing is reduced while high sealing performance is achieved.
The utility model is further provided that the bearing raceway is attached to the rolling element, and the inner surface of the bearing raceway is coated with a grease layer.
The beneficial effect who so sets up is: by adopting the scheme, the bearing raceway is attached to the rolling element, and the inner surface of the bearing raceway is coated with the grease layer, so that the rolling element can effectively roll in the bearing raceway in a lubrication manner, and the service life of the rolling bearing is prolonged.
The utility model is further provided that the sealing element is made of a sizing material.
The beneficial effect who so sets up is: by adopting the scheme, the sealing piece is made of a sizing material, so that the sealing piece can be formed conveniently.
Drawings
FIG. 1 is an overall cross-sectional view of the present invention;
FIG. 2 is an enlarged view of a portion of the seal of the present invention;
FIG. 3 is an enlarged view of a portion of the outer race cleat of the present invention;
fig. 4 is a partial enlarged view of the integral inner ring dust groove of the present invention.
Detailed Description
As can be seen from fig. 1 to 4, the high-sealing-performance anti-rotation rolling bearing of the utility model comprises a bearing outer ring 1 and a bearing inner ring 2, wherein rolling bodies 3 are arranged between the bearing inner ring 2 and the bearing outer ring 1, the rolling bodies 3 are arranged on the inner surface of a retainer 5 which is connected and guided to rotate, a sealing element 4 is arranged between the bearing inner ring 2 and the bearing outer ring 1, the bearing outer ring 1 is in interference fit with the sealing element 4, bearing raceways 11 and 21 are arranged on the inner surface of the bearing outer ring 1 and the outer surface of the bearing inner ring 2, a sealing element outer lip 41 is arranged on the outer edge of the sealing element 4, two outer ring anti-slip grooves 13 are arranged on the bearing outer ring 1, two inner lips 44 are arranged on the inner surface of the sealing element 4, two inner ring anti-dust grooves 22 are arranged on the bearing inner ring 2, and an oil guide lip 43 is further arranged on the sealing element 4, by adopting the scheme, the sealing element 4 not only can block outside impurities, the working environment of the bearing is kept clean, and the rotation of the sealing element 4 is prevented, so that the bearing achieves better performance.
Two bosses 42 of the outer lip 41 of the sealing element and two outer ring anti-slip grooves 13 on the bearing outer ring 1 are in interference fit respectively, interference magnitude between the two bosses and the two outer ring anti-slip grooves 13 on the bearing outer ring 1 is 0.15mm, and by adopting the scheme, the friction force between the sealing element 4 and the bearing outer ring 1 can be increased through the interference fit between the two bosses 42 of the outer lip 41 of the sealing element and the two outer ring anti-slip grooves 13 on the bearing outer ring 1 respectively, so that the rotation condition of the sealing element 4 is prevented.
Two inner lips 44 on the sealing element 4 and the sealing groove of the bearing inner ring 2 adopt clearance fit, the clearance distance between the two inner lips is 0.05mm, and by adopting the scheme, the inner lips 44 on the sealing element 4 and the sealing groove of the bearing inner ring 2 adopt clearance fit to form a U-shaped loop.
Two interior lips 44 on the sealing member 4 and the U type seal structure of bearing inner race 2 cooperation formation adopt above-mentioned scheme, can effectively prevent through the U type seal structure of two interior lips 44 on the sealing member 4 and bearing inner race 2 cooperation formation that impurity from getting into antifriction bearing to reach fine anti-impurity effect, make antifriction bearing reach better sealed effect, and reduce the moment of bearing when reaching high leakproofness.
Bearing raceways 11, 21 and rolling element 3 are laminated mutually, and scribble the fat layer at the internal surface of bearing raceways 11, 21, adopt above-mentioned scheme, laminate mutually with rolling element 3 through bearing raceways 11, 21, and scribble the fat layer at the internal surface of bearing raceways 11, 21, can effectually make rolling element 3 lubricate rolling in bearing raceways 11, 21, improve the dustproof performance of bearing, prevent that the sealing member from rotating, thereby reduce impurity entering bearing and cause the risk of damage and the unusual wearing and tearing of sealing member 4 to bearing raceways 11, 12, guarantee the normal use of bearing, thereby prolong antifriction bearing life-span.
The sealing element 4 is made of rubber materials, and by adopting the scheme, the sealing element 4 is made of rubber materials, so that the sealing element 4 can be formed conveniently.
The above-described embodiments are merely preferred embodiments of the present invention, which should not be construed as limiting the scope of the utility model, and therefore, equivalent variations, such as equivalent products using similar processes and similar structures, which are encompassed by the present invention are considered to be within the scope of the present invention.
Claims (6)
1. The utility model provides a high leakproofness antifriction bearing, includes bearing inner race, the bearing inner race with be provided with the rolling element between the bearing inner race, the rolling element sets up at hookup guide pivoted holder internal surface, the bearing inner race with be provided with the sealing member between the bearing inner race, bearing inner race and sealing member interference fit, its characterized in that: the bearing comprises a bearing inner ring and a bearing outer ring, and is characterized in that the inner surface of the bearing outer ring and the outer surface of the bearing inner ring are provided with bearing raceways, the outer edge of the sealing element is provided with a sealing element outer lip, the bearing outer ring is provided with two outer ring anti-skidding grooves, the inner surface of the sealing element is provided with two inner lips, the bearing inner ring is provided with two inner ring dust grooves, and the sealing element is also provided with an oil guide lip.
2. The high-sealability rolling bearing according to claim 1, wherein: and the two bosses of the outer lip of the sealing element and the two outer ring anti-slip grooves on the outer ring of the bearing are in interference fit respectively, and the interference magnitude between the two bosses and the two outer ring anti-slip grooves is 0.15 mm.
3. The high-sealability rolling bearing according to claim 2, wherein: two inner lips on the sealing element and the bearing inner ring sealing groove are in clearance fit, and the clearance distance between the two inner lips is 0.05 mm.
4. The high-sealability rolling bearing according to claim 3, wherein: and the two inner lips on the sealing element are matched with the bearing inner ring to form a U-shaped sealing structure.
5. The high-sealability rolling bearing according to claim 4, wherein: the bearing raceway is attached to the rolling body, and a grease layer is coated on the inner surface of the bearing raceway.
6. The rolling bearing with high sealing performance according to any one of claims 1 to 5, wherein: the sealing element is made of a sizing material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121952850.3U CN215980485U (en) | 2021-08-19 | 2021-08-19 | High-sealing rolling bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121952850.3U CN215980485U (en) | 2021-08-19 | 2021-08-19 | High-sealing rolling bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215980485U true CN215980485U (en) | 2022-03-08 |
Family
ID=80519466
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121952850.3U Active CN215980485U (en) | 2021-08-19 | 2021-08-19 | High-sealing rolling bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215980485U (en) |
-
2021
- 2021-08-19 CN CN202121952850.3U patent/CN215980485U/en active Active
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