CN212177683U - Powder metallurgy ultralow-noise long-life oil-retaining bearing - Google Patents
Powder metallurgy ultralow-noise long-life oil-retaining bearing Download PDFInfo
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- CN212177683U CN212177683U CN202020933782.5U CN202020933782U CN212177683U CN 212177683 U CN212177683 U CN 212177683U CN 202020933782 U CN202020933782 U CN 202020933782U CN 212177683 U CN212177683 U CN 212177683U
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Abstract
The utility model discloses a powder metallurgy ultralow noise long-life oil bearing, including bearing inner circle and bearing inner race, the surface of bearing inner circle and the inner wall of bearing inner race be the first smooth layer of fixedly connected with and the smooth layer of second respectively, and the surface of the smooth layer of first smooth layer and second is provided with inner circle raceway and outer lane raceway respectively, and the inner wall of inner circle raceway and outer lane raceway all rotates and is connected with the ball, and the surface rotation of ball is connected with ball holder. This powder metallurgy ultralow noise long-life oiliness bearing inhales the sound mechanism through setting up, when using, through the lubricating oil that flows in first smooth layer, the smooth layer of second, the smooth layer of third and the oil outlet groove, to the ball, lubricate between inner circle raceway and the outer lane raceway and reduce frictional force, to the bearing fall make an uproar and reduce wearing and tearing, increase of service life inhales the sound through inhaling the sound chamber and inhaling the sound cotton to the noise to have ultralow noise and long service life's characteristics.
Description
Technical Field
The utility model relates to a bearing technical field, more specifically say, it relates to a powder metallurgy ultralow noise long-life oil retaining bearing.
Background
The powder metallurgy oil-retaining bearing is widely applied to industrial production due to good wear resistance and relatively low manufacturing cost.
With the development of the powder metallurgy industry, the application field of the powder metallurgy oil-retaining bearing is continuously widened, and particularly, the bearing is required to have ultralow noise and longer service life in the fields of micro and special motors, office equipment, household appliances (air conditioners, refrigerators and the like) applied to automobiles, so that the powder metallurgy oil-retaining bearing with ultralow noise and long service life is required.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims to provide a powder metallurgy ultralow noise long-life oil retaining bearing, its characteristics that have ultralow noise and long service life.
In order to achieve the above purpose, the utility model provides a following technical scheme:
the utility model provides a powder metallurgy ultralow noise long-life oiliness bearing, including bearing inner race and bearing inner race, the surface of bearing inner race and the inner wall of bearing inner race are the first smooth layer of fixedly connected with and the smooth layer of second respectively, the surface on first smooth layer and the smooth layer of second is provided with inner circle raceway and outer lane raceway respectively, the inner wall of inner circle raceway and outer lane raceway all rotates and is connected with the ball, the surperficial rotation of ball is connected with ball holder, the surface of bearing inner race and the inner wall of bearing inner race all are provided with inhales sound mechanism, it includes the ring channel to inhale sound mechanism, the surface of bearing inner race and the inner wall of bearing inner race are all fixed.
Further, the surface of the ball is fixedly connected with a third smooth layer, and the insides of the first smooth layer, the second smooth layer and the third smooth layer are all provided with nano glaze.
Furthermore, the six annular grooves are uniformly distributed on the surface of the bearing inner ring and the inner wall of the bearing outer ring respectively, and sound absorption cavities are formed in the inner walls of the annular grooves and the surfaces of the first smooth layer and the second smooth layer.
Furthermore, a sound absorption material is arranged inside the sound absorption cavity, and the sound absorption material is sound absorption cotton;
through above-mentioned technical scheme, inhale the sound cotton and have and inhale the sound characteristics that the sound treatment is carried out to the noise that rolling friction produced between ball and inner circle raceway and the outer lane raceway.
Further, the fixed surface of bearing inner race has seted up the oil filler point, and the one end of oil filler point is fixed and has been seted up the oil storage chamber, and the inside in oil storage chamber is provided with lubricating oil, and the inner wall threaded connection of oil filler point has sealed the bolt.
Further, the fixed intercommunication of inner wall in oil storage chamber has an oil pipe, and the one end of going out oil pipe runs through and extends to the surface of second glossy layer, and the inner wall of outer lane raceway is fixed and has been seted up the rotary trough, and the inner wall of going out oil pipe and the fixed intercommunication of inner wall of rotary trough.
Furthermore, the inner wall of the rotary groove is rotatably connected with a rotary ball, the surface of the rotary ball is in sliding connection with the surface of the ball bearing, the surface of the rotary ball is fixedly provided with oil outlet grooves, and the oil outlet grooves are uniformly distributed on the surface of the rotary ball;
through above-mentioned technical scheme, the oil outlet groove has when the commentaries on classics ball rotates, rotates the lubricating oil in oil storage chamber and the outlet pipe and flows out to the surface of third smooth layer and the inner wall of inner circle raceway and outer lane raceway, carries out the characteristics that the rotational lubrication falls and makes an uproar and increase of service life.
To sum up, the utility model discloses following beneficial effect has:
1. inhale sound mechanism through setting up, when using, through the lubricating oil that flows in first smooth layer, the smooth layer of second, the smooth layer of third and the oil outlet groove, to lubricating between ball, inner circle raceway and the outer lane raceway and reduce frictional force, fall the noise and reduce wearing and tearing to the bearing, increase of service life inhales the sound through inhaling the sound chamber and inhaling the sound cotton to the noise to have super low noise and long service life's characteristics.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a perspective view of the bearing inner race structure of the present invention;
FIG. 3 is a sectional view of the bearing inner race structure of the present invention;
fig. 4 is a cross-sectional view of the rotary ball structure of the present invention.
In the figure: 1. a bearing inner race; 2. a bearing outer race; 3. a first smoothing layer; 31. an inner race raceway; 4. a second smoothing layer; 41. an outer ring raceway; 5. a ball bearing; 51. a third smoothing layer; 6. a ball retainer; 7. an annular groove; 71. a sound absorbing chamber; 8. an oil filler hole; 9. an oil storage chamber; 10. sealing the bolt; 11. an oil outlet pipe; 12. rotating the groove; 13. rotating the ball; 14. and an oil outlet groove.
Detailed Description
Example (b):
the present invention will be described in further detail with reference to the accompanying fig. 1-4.
A powder metallurgy oil-retaining bearing with ultralow noise and long service life comprises a bearing inner ring 1 and a bearing outer ring 2, wherein the surface of the bearing inner ring 1 and the inner wall of the bearing outer ring 2 are fixedly connected with a first smooth layer 3 and a second smooth layer 4 respectively, the surfaces of the first smooth layer 3 and the second smooth layer 4 are provided with an inner ring raceway 31 and an outer ring raceway 41 respectively, the inner walls of the inner ring raceway 31 and the outer ring raceway 41 are both rotatably connected with balls 5, the surface of each ball 5 is rotatably connected with a ball retainer 6, the surface of the bearing inner ring 1 and the inner wall of the bearing outer ring 2 are both provided with sound absorption mechanisms, each sound absorption mechanism comprises an annular groove 7, and the surface of the bearing inner ring 1 and the inner wall of the bearing outer ring 2 are both fixedly provided with the;
as shown in fig. 3, a third smooth layer 51 is fixedly connected to the surface of the ball 5, nano glaze is arranged inside each of the first smooth layer 3, the second smooth layer 4 and the third smooth layer 51, six annular grooves 7 are uniformly distributed on the surface of the bearing inner ring 1 and the inner wall of the bearing outer ring 2, respectively, sound absorption cavities 71 are arranged on the inner walls of the annular grooves 7 and the surfaces of the first smooth layer 3 and the second smooth layer 4, sound absorption materials are arranged inside the sound absorption cavities 71, and the sound absorption materials are sound absorption cotton;
as shown in fig. 3-4, an oil filling hole 8 is fixedly formed in the surface of the bearing outer ring 2, an oil storage cavity 9 is fixedly formed in one end of the oil filling hole 8, lubricating oil is arranged inside the oil storage cavity 9, a sealing plug 10 is connected to the inner wall of the oil filling hole 8 in a threaded manner, an oil outlet pipe 11 is fixedly communicated with the inner wall of the oil storage cavity 9, one end of the oil outlet pipe 11 penetrates through and extends to the surface of the second smooth layer 4, a rotary groove 12 is fixedly formed in the inner wall of the outer ring raceway 41, the inner wall of the oil outlet pipe 11 is fixedly communicated with the inner wall of the rotary groove 12, a rotary ball 13 is rotatably connected to the inner wall of the rotary groove 12, the surface of the rotary ball 13 is slidably connected with the surface of the ball 5, oil outlet grooves 14 are fixedly formed in the surface of;
inhale the sound mechanism through setting up, when using, through the lubricating oil of outflow in first smooth layer 3, second smooth layer 4, third smooth layer 51 and the oil outlet groove 14, to lubricating between ball 5, inner circle raceway 31 and the outer lane raceway 41 and reduce frictional force, fall the noise and reduce wearing and tearing to the bearing, increase of service life inhales the sound through inhaling sound chamber 71 and inhaling the sound cotton to the noise to have super low noise and long service life's characteristics.
The working principle is as follows: when in use, the first smooth layer 3, the second smooth layer 4 and the third smooth layer 51 are contacted, so that the friction force between the balls 5 and the bearing inner ring 1, the bearing outer ring 2, the inner ring raceway 31 and the outer ring raceway 41 is reduced, thereby reducing the noise generated by the balls 5 and the bearing inner ring 1, the bearing outer ring 2, the inner ring raceway 31 and the outer ring raceway 41 due to friction, the sound absorption cotton in the sound absorption cavity 71 absorbs the noise generated by the friction between the balls 5 and the bearing inner ring 1, the bearing outer ring 2, the inner ring raceway 31 and the outer ring raceway 41, when the surface of the ball 5 and the surface of the rotating ball 13 rotate, the rotating ball 13 is driven to rotate, the rotating ball 13 and the oil outlet groove 14 on the surface rotate, the lubricating oil in the oil storage cavity 9 rotates to flow out to the surface of the ball 5 through the oil outlet pipe 11, the lubrication between the balls 5 and the inner and outer ring raceways 31 and 41 reduces noise and increases service life.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.
Claims (7)
1. The utility model provides a powder metallurgy ultralow noise long-life oil retaining bearing, includes bearing inner race (1) and bearing inner race (2), its characterized in that: the surface of bearing inner race (1) and the inner wall of bearing outer race (2) are the first smooth layer of fixedly connected with (3) and the smooth layer of second (4) respectively, the surface of first smooth layer (3) and the smooth layer of second (4) is provided with inner circle raceway (31) and outer lane raceway (41) respectively, the inner wall of inner circle raceway (31) and outer lane raceway (41) all rotates and is connected with ball (5), the surface of ball (5) rotates and is connected with ball holder (6), the surface of bearing inner race (1) and the inner wall of bearing outer race (2) all are provided with inhales sound mechanism, it includes ring channel (7) to inhale sound mechanism, ring channel (7) have all been fixedly seted up to the surface of bearing inner race (1) and the inner wall of bearing outer race (2).
2. The powder metallurgy ultra-low noise long-life oil-retaining bearing of claim 1, wherein: the surface of the ball (5) is fixedly connected with a third smooth layer (51), and nano glaze is arranged inside the first smooth layer (3), the second smooth layer (4) and the third smooth layer (51).
3. The powder metallurgy ultra-low noise long-life oil-retaining bearing of claim 1, wherein: six ring channel (7) are respectively at the surface of bearing inner race (1) and the inner wall evenly distributed of bearing outer lane (2), the inner wall of ring channel (7) and the surface of first smooth layer (3) and second smooth layer (4) are provided with sound-absorbing chamber (71).
4. The powder metallurgy ultra-low noise long-life oil-retaining bearing of claim 3, wherein: the sound absorption cavity (71) is internally provided with a sound absorption material which is sound absorption cotton.
5. The powder metallurgy ultra-low noise long-life oil-retaining bearing of claim 1, wherein: oil filler point (8) have been seted up to the fixed surface of bearing inner race (2), oil storage chamber (9) have been seted up to the one end of oil filler point (8) is fixed, the inside in oil storage chamber (9) is provided with lubricating oil, the inner wall threaded connection of oil filler point (8) has sealing bolt (10).
6. The powder metallurgy ultra-low noise long-life oil-retaining bearing of claim 5, wherein: the fixed intercommunication of inner wall in oil storage chamber (9) has oil pipe (11), the one end that goes out oil pipe (11) runs through and extends to the surface of second smooth layer (4), rotary groove (12) have been seted up to the inner wall of outer lane raceway (41) is fixed, the inner wall of going out oil pipe (11) and the fixed intercommunication of inner wall of rotary groove (12).
7. The powder metallurgy ultra-low noise long-life oil-retaining bearing of claim 6, wherein: the inner wall of the rotating groove (12) is rotatably connected with a rotating ball (13), the surface of the rotating ball (13) is connected with the surface of the rolling ball (5) in a sliding mode, an oil outlet groove (14) is formed in the surface of the rotating ball (13) in a fixed mode, and the oil outlet grooves (14) are evenly distributed on the surface of the rotating ball (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020933782.5U CN212177683U (en) | 2020-05-28 | 2020-05-28 | Powder metallurgy ultralow-noise long-life oil-retaining bearing |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020933782.5U CN212177683U (en) | 2020-05-28 | 2020-05-28 | Powder metallurgy ultralow-noise long-life oil-retaining bearing |
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| CN212177683U true CN212177683U (en) | 2020-12-18 |
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| CN202020933782.5U Active CN212177683U (en) | 2020-05-28 | 2020-05-28 | Powder metallurgy ultralow-noise long-life oil-retaining bearing |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112503097A (en) * | 2020-12-21 | 2021-03-16 | 程群 | Industrial anti-skid bearing |
| CN113700733A (en) * | 2021-06-07 | 2021-11-26 | 安徽银球轴承有限公司 | Super-silent motor bearing |
-
2020
- 2020-05-28 CN CN202020933782.5U patent/CN212177683U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112503097A (en) * | 2020-12-21 | 2021-03-16 | 程群 | Industrial anti-skid bearing |
| CN112503097B (en) * | 2020-12-21 | 2022-05-13 | 丽水市贝斯特轴承有限公司 | Industrial anti-skid bearing |
| CN113700733A (en) * | 2021-06-07 | 2021-11-26 | 安徽银球轴承有限公司 | Super-silent motor bearing |
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