CN210344031U - Sealed ball bearing - Google Patents
Sealed ball bearing Download PDFInfo
- Publication number
- CN210344031U CN210344031U CN201920901288.8U CN201920901288U CN210344031U CN 210344031 U CN210344031 U CN 210344031U CN 201920901288 U CN201920901288 U CN 201920901288U CN 210344031 U CN210344031 U CN 210344031U
- Authority
- CN
- China
- Prior art keywords
- ring
- sealing
- bearing
- framework
- lip
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000007789 sealing Methods 0.000 claims abstract description 95
- 230000002093 peripheral effect Effects 0.000 claims abstract description 21
- 239000003921 oil Substances 0.000 claims description 58
- 229920000742 Cotton Polymers 0.000 claims description 23
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 239000010687 lubricating oil Substances 0.000 claims description 4
- 230000009286 beneficial effect Effects 0.000 description 9
- 239000000428 dust Substances 0.000 description 6
- 239000012530 fluid Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 239000002356 single layer Substances 0.000 description 2
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Landscapes
- Rolling Contact Bearings (AREA)
- Sealing Of Bearings (AREA)
Abstract
The utility model discloses a sealed ball bearing, including inner circle and outer lane, be provided with the sealing member between inner circle and the outer lane, the sealing member includes first sealing washer and second sealing washer, first sealing washer includes first skeleton ring, the second sealing washer includes the second skeleton ring, be provided with the constant head tank on the outer lane inner peripheral surface, first skeleton ring passes through the constant head tank and sets up on the outer lane, be provided with first seal lip on the outer wall of first skeleton ring, the one end of first seal lip is inconsistent with outer lane inner peripheral surface and is set up, and the other end is inconsistent with the inner circle outer peripheral surface and sets up, the outer wall of second skeleton ring is laminated with the inner wall of first skeleton ring and is set up, be provided with the storage tank on the inner wall of first skeleton ring, second skeleton ring is fixed to be set up in the storage tank, be provided with second seal lip on the inner wall of second skeleton ring, the second sealing lip is arranged in a manner of being abutted to the outer peripheral surface of the inner ring, and has good sealing performance and oil storage performance.
Description
Technical Field
The utility model belongs to the technical field of the bearing technique and specifically relates to a ball sealer bearing.
Background
The bearing changes the sliding friction between a running shaft and a shaft seat into rolling friction, thereby reducing a precise mechanical element of friction loss, the bearing is widely applied to the fields of automobiles, household appliances, mechanical equipment and the like, and external dust and sundries of the ball bearing easily enter the inside of the bearing when in running to influence the normal use of the bearing, so that a sealing ring is required to be arranged to separate the dust and the sundries, but the existing ball bearing generally adopts a single-layer sealing ring, the sealing performance of the single-layer sealing ring is often poor, the sealing effect is difficult to achieve, and after the existing ball bearing is installed on the ball bearing, the oil storage performance of the existing sealing ring is poor, so that the lubricating oil in the ball bearing is easy to flow out from the gap of the sealing ring, thereby causing the waste of the grease.
SUMMERY OF THE UTILITY MODEL
To prior art not enough, the utility model provides a sealed ball bearing, it has good leakproofness and oil storage nature.
The utility model provides a sealed ball bearing, including inner circle and outer lane, it is provided with the steel ball to roll between inner circle and the outer lane, the steel ball both sides are provided with the sealing member, the sealing member includes first sealing washer and second sealing washer, first sealing washer includes first skeleton ring, the second sealing washer includes second skeleton ring, its characterized in that: the bearing sealing structure comprises an outer ring and a first framework ring, and is characterized in that a positioning groove is formed in the inner peripheral surface of the outer ring, the first framework is arranged on the outer ring through the positioning groove, a first sealing lip is arranged on the outer wall of the first framework ring, one end of the first sealing lip is arranged in a manner of being abutted against the inner peripheral surface of the outer ring, the other end of the first sealing lip is arranged in a manner of being abutted against the outer peripheral surface of the inner ring, so that the first sealing ring is sealed on the bearing, the outer wall of the second framework ring is arranged in a manner of being attached to the inner wall of the first framework ring, an accommodating groove is formed in the inner wall of the first framework ring, the second framework ring is fixedly arranged in the accommodating groove, so that the second sealing ring is mounted on the first sealing ring, a second sealing.
The beneficial effect who so sets up is: by adopting the scheme, the inner wall of the first framework ring is provided with the containing groove, the second framework ring is arranged in the fixed containing groove and is attached to the first framework ring, so that the second sealing ring is mounted on the first sealing ring, and the structure ensures that the connection between the two sealing rings is more stable. One end of a first sealing lip arranged on the outer wall of the first framework ring is in contact with the inner circumferential surface of the outer ring, the other end of the first sealing lip is in contact with the outer circumferential surface of the inner ring, so that the first sealing ring is sealed for the bearing, and a second sealing lip arranged on the inner wall of the second framework ring is in contact with the outer circumferential surface of the inner ring, so that the second sealing ring is sealed for the bearing, and therefore, impurities and dust outside the bearing are further prevented from entering the bearing, and the overall sealing performance of the sealing element is improved. The sealing effect of the sealing element is better, and the risk that foreign matters and dust outside the bearing enter the bearing is reduced.
The utility model discloses further set up to the one end that first seal lip is close to the outer lane inner peripheral surface is provided with a plurality of oil blanket lip, oil blanket lip elasticity is contradicted and is set up on the outer lane inner peripheral surface.
The beneficial effect who so sets up is: adopt above-mentioned scheme, set up a plurality of oil blanket lip on first seal lip through setting up, and the oil blanket lip is contradicted with outer lane inner peripheral surface elasticity to avoid the fluid seepage in the ball bearing, strengthened the oil storage nature.
The utility model discloses further set up to the oil blanket lip semicircular in shape sets up.
The beneficial effect who so sets up is: by adopting the scheme, when the first sealing ring is subjected to radial force, the semicircular oil seal lip is stronger in capability of bearing the radial force compared with other shapes, so that the integral bearing capacity of the sealing ring is improved.
The utility model discloses further set up to be provided with the seal lip on the second seal lip, seal lip elasticity is contradicted and is set up on the inner circle outer peripheral face.
The beneficial effect who so sets up is: by adopting the scheme, the oil seal lip is arranged on the second seal lip, so that oil leakage in the ball bearing is further avoided, and the integral oil storage performance of the bearing is further improved.
The utility model discloses further set up to be provided with the standing groove in the second seal lip, be provided with the annular oil storage cotton that is used for storing lubricating oil in the standing groove, first skeleton ring passes second skeleton ring and places the intracavity and extend and have the lug, the lug extrudees the cotton oil outlet that realizes the oil storage cotton mutually with annular oil storage cotton.
The beneficial effect who so sets up is: adopt above-mentioned scheme, it is cotton to set up annular oil storage through the intracavity of placing at seal lip, and annular oil storage is cotton just to the inside of bearing, when the bearing carrier changes, this annular oil storage is cotton can be collected the inside fluid of throwing away of bearing, can expand after oil has been collected to annular oil storage is cotton, and the lug that the intracavity was extended is placed to first skeleton hoop can extrude mutually with annular oil storage is cotton, thereby inside making the fluid in the annular oil storage is cotton get back to the bearing again, this structure makes the inside fluid of bearing can cyclic utilization, the oil storage nature of bearing has been strengthened, can keep lubricated when making the bearing operation.
Drawings
Fig. 1 is a schematic overall structure diagram of an embodiment of the present invention;
fig. 2 is an enlarged view of a portion of the structure shown in fig. 1 according to an embodiment of the present invention.
Detailed Description
As can be seen from fig. 1 to 2, the utility model discloses a sealed ball bearing, which comprises an inner ring 1 and an outer ring 2, a steel ball 3 is arranged between the inner ring 1 and the outer ring 2 in a rolling manner, sealing elements 4 are arranged on two sides of the steel ball 3, the sealing elements 4 comprise a first sealing ring 41 and a second sealing ring 42, the first sealing ring 41 comprises a first framework ring 411, the second sealing ring 42 comprises a second framework ring 421, a positioning groove is arranged on the inner peripheral surface of the outer ring 2, the first framework is arranged on the outer ring 2 through the positioning groove, a first sealing lip 412 is arranged on the outer wall of the first framework ring 411, one end of the first sealing lip 412 is arranged in a contact manner with the inner peripheral surface of the outer ring 2, the other end is arranged in a contact manner with the outer peripheral surface of the inner ring 1 to realize the sealing of the first sealing ring 41 on the bearing, the outer wall of the second framework ring 421 is arranged, an accommodating groove 413 is formed in the inner wall of the first skeleton ring 411, the second skeleton ring 421 is fixedly arranged in the accommodating groove 413 to achieve installation of the second sealing ring 42 on the first sealing ring 41, a second sealing lip 422 is arranged on the inner wall of the second skeleton ring 421, and the second sealing lip 422 is arranged in a manner of being in contact with the outer peripheral surface of the inner ring 1 to achieve sealing of the second sealing ring 42 on the bearing. An accommodating groove 413 is formed in the inner wall of the first framework ring 411, the second framework ring 421 is arranged in the fixed accommodating groove 413 and is attached to the first framework ring 411, so that the second sealing ring 42 is mounted on the first sealing ring 41, and the connection between the two sealing rings is more stable due to the structure. One end of a first sealing lip 412 arranged on the outer wall of the first framework ring 411 is arranged in a manner of being in contact with the inner circumferential surface of the outer ring 2, the other end of the first sealing lip is arranged in a manner of being in contact with the outer circumferential surface of the inner ring 1, so that the first sealing ring 41 is sealed on the bearing, and the second sealing lip 422 arranged on the inner wall of the second framework ring 421 is arranged in a manner of being in contact with the outer circumferential surface of the inner ring 1, so that the second sealing ring 42 is sealed on the bearing, thereby further preventing foreign matters and dust outside the bearing from entering the bearing, and further improving the whole sealing. The sealing effect of the sealing element 4 is better, and the risk that foreign matters and dust outside the bearing enter the inside of the bearing is reduced.
One end of the first seal lip 412 close to the inner circumferential surface of the outer ring 2 is provided with a plurality of oil seal lips 414, and the oil seal lips 414 are elastically abutted against the inner circumferential surface of the outer ring 2. The beneficial effect who so sets up is: adopt above-mentioned scheme, set up a plurality of oil blanket lip 414 through setting up on first seal lip 412, and oil blanket lip 414 contradicts with outer lane 2 inner peripheral surface elasticity to avoid the fluid seepage in the ball bearing, strengthened the oil storage nature.
The oil seal lip 414 is disposed in a semicircular shape. The beneficial effect who so sets up is: by adopting the above scheme, when the first seal ring 41 is subjected to a radial force, the semicircular oil seal lip 414 has a stronger capability of bearing the radial force compared with other shapes, thereby improving the overall bearing capacity of the seal ring.
The second sealing lip 422 is provided with a sealing lip 423, and the sealing lip 423 is elastically abutted against the outer peripheral surface of the inner ring 1. The beneficial effect who so sets up is: by adopting the scheme, the oil seal lip 414 is arranged on the second seal lip 422, so that oil leakage in the ball bearing is further avoided, and the integral oil storage performance of the bearing is further improved.
A placing groove 424 is formed in the second sealing lip 422, annular oil storage cotton 425 used for storing lubricating oil is arranged in the placing groove 424, a protruding block 415 extends into the placing cavity through the first framework ring 411 passing through the second framework ring 421, and the protruding block 415 and the annular oil storage cotton 425 extrude to achieve oil discharging of the oil storage cotton. The beneficial effect who so sets up is: by adopting the scheme, the annular oil storage cotton 425 is arranged in the placing cavity of the sealing lip, the annular oil storage cotton 425 is right opposite to the inside of the bearing, when the bearing rotates, the annular oil storage cotton 425 can collect oil thrown out of the inside of the bearing, the annular oil storage cotton 425 can expand after the oil is collected by the annular oil storage cotton 425, the lug 415 extending towards the placing cavity of the first skeleton ring 411 can be extruded with the annular oil storage cotton 425, so that the oil in the annular oil storage cotton 425 returns to the inside of the bearing again, the structure enables the oil in the bearing to be recycled, the oil storage performance of the bearing is enhanced, and the bearing can be kept lubricated during operation.
The above-mentioned embodiments are only preferred embodiments of the present invention, and the scope of the present invention is not limited thereto, so that the equivalent changes made in the claims of the present invention, such as equivalent products with similar processes and similar structures, are also included in the scope of the present invention.
Claims (5)
1. The utility model provides a sealed ball bearing, includes inner circle and outer lane, it is provided with the steel ball to roll between inner circle and the outer lane, the steel ball both sides are provided with the sealing member, the sealing member includes first sealing washer and second sealing washer, first sealing washer includes first skeleton ring, the second sealing washer includes second skeleton ring, its characterized in that: the bearing sealing structure comprises an outer ring and a first framework ring, and is characterized in that a positioning groove is formed in the inner peripheral surface of the outer ring, the first framework ring is arranged on the outer ring through the positioning groove, a first sealing lip is arranged on the outer wall of the first framework ring, one end of the first sealing lip is arranged in a manner of being abutted against the inner peripheral surface of the outer ring, the other end of the first sealing lip is arranged in a manner of being abutted against the outer peripheral surface of the inner ring, so that the first sealing ring is sealed against a bearing, the outer wall of the second framework ring is arranged in a manner of being attached to the inner wall of the first framework ring, an accommodating groove is formed in the inner wall of the first framework ring, the second framework ring is fixedly arranged in the accommodating groove, so that the second sealing ring is mounted on the first sealing ring, a second sealing.
2. The sealed ball bearing of claim 1, wherein: one end of the first sealing lip, which is close to the inner circumferential surface of the outer ring, is provided with a plurality of oil sealing lips, and the oil sealing lips elastically abut against the inner circumferential surface of the outer ring.
3. The sealed ball bearing of claim 2, wherein: the oil seal lip is arranged in a semicircular shape.
4. The sealed ball bearing of claim 1 or 2, wherein: and a sealing lip is arranged on the second sealing lip and elastically abutted against the outer peripheral surface of the inner ring.
5. The sealed ball bearing of claim 1, wherein: the oil storage device is characterized in that a placing groove is formed in the second sealing lip, annular oil storage cotton used for storing lubricating oil is arranged in the placing groove, the first framework ring penetrates through the second framework ring and extends into the placing cavity to form a protruding block, and the protruding block and the annular oil storage cotton are extruded mutually to achieve oil outlet of the oil storage cotton.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920901288.8U CN210344031U (en) | 2019-06-14 | 2019-06-14 | Sealed ball bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920901288.8U CN210344031U (en) | 2019-06-14 | 2019-06-14 | Sealed ball bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210344031U true CN210344031U (en) | 2020-04-17 |
Family
ID=70186052
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920901288.8U Active CN210344031U (en) | 2019-06-14 | 2019-06-14 | Sealed ball bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210344031U (en) |
-
2019
- 2019-06-14 CN CN201920901288.8U patent/CN210344031U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205118001U (en) | Cylindrical roller gyro wheel bearing is completely adorned to totally enclosed biserial | |
| CN204187011U (en) | Use in washing machine seal arrangement | |
| CN204851521U (en) | Tidal power generation unit and become oar bearing thereof | |
| CN203685874U (en) | Oil-injecting seal ring | |
| CN210344031U (en) | Sealed ball bearing | |
| CN212959552U (en) | Sealing structure of bearing for belt pulley of decoupler built in automobile generator | |
| CN209881545U (en) | Motor goes out axle waterproof construction | |
| CN201339658Y (en) | Bearing with multiple sealing surface structure | |
| CN210118351U (en) | Insert bearing with sealing ring | |
| CN201836104U (en) | Automobile water pump bearing sealing device with water thrower | |
| CN202374096U (en) | Sealing structure for motor bearing | |
| CN203517250U (en) | Anti-oil-leakage lubricating mechanism applied to bearing | |
| CN201292465Y (en) | Double-dustproof lip framework oil seal for drum washing machine | |
| CN204025322U (en) | With the roller bearing units of special seal structure | |
| CN203702848U (en) | Bearing with novel sealing cover | |
| CN203051506U (en) | Three-point-contact sealing bearing | |
| CN217108197U (en) | Combined sealing ring for motor rotor shaft | |
| CN210118366U (en) | Angular contact sealed bearing | |
| CN201651040U (en) | Bearing with iron space ring | |
| CN203035766U (en) | Two-lip sealing bearing | |
| CN203560297U (en) | Compound seal type automobile hub bearing unit | |
| CN207981354U (en) | A kind of refuse grinder fixation stationary seal ring soket head cap screw anti-rust structure | |
| CN208793450U (en) | Rolling bearing lubrication sealing structure | |
| CN204025368U (en) | Internal and external cycle labyrinth sealed roller bearing units | |
| CN216143078U (en) | Bearing seal ring |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No. 298 Fangjiashan Road, Huzhou City, Zhejiang Province 325000 Patentee after: Zhejiang Xinzi Precision Machinery Co.,Ltd. Patentee after: HUZHOU SANDUO BEARING CO.,LTD. Address before: No. 298 Fangjiashan Road, Huzhou City, Zhejiang Province 325000 Patentee before: ZHEJIANG 8+1 PRECISION MACHINERY Co.,Ltd. Patentee before: HUZHOU SANDUO BEARING CO.,LTD. |
|
| CP01 | Change in the name or title of a patent holder |