CN210318169U - Roller capable of reducing friction force - Google Patents
Roller capable of reducing friction force Download PDFInfo
- Publication number
- CN210318169U CN210318169U CN201920467945.2U CN201920467945U CN210318169U CN 210318169 U CN210318169 U CN 210318169U CN 201920467945 U CN201920467945 U CN 201920467945U CN 210318169 U CN210318169 U CN 210318169U
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- CN
- China
- Prior art keywords
- bearing assembly
- roller
- inner ring
- wheel
- ring
- 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.)
- Expired - Fee Related
Links
- 238000005096 rolling process Methods 0.000 claims abstract description 23
- 230000002093 peripheral effect Effects 0.000 claims abstract description 13
- 230000000712 assembly Effects 0.000 claims abstract description 5
- 238000000429 assembly Methods 0.000 claims abstract description 5
- 239000010687 lubricating oil Substances 0.000 claims description 8
- 238000010586 diagram Methods 0.000 description 4
- 230000002035 prolonged effect Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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- Rolling Contact Bearings (AREA)
- Friction Gearing (AREA)
Abstract
The utility model discloses a roller for reducing friction force, which belongs to the roller field and comprises a roller body and a rotating shaft, wherein the rotating shaft is used for driving the roller body to rotate and is sleeved in the roller body; the rotating shaft is connected with the roller body through a bearing assembly; the bearing assembly comprises a first bearing assembly and a second bearing assembly positioned in the first bearing assembly; the first bearing assembly comprises an outer ring which is attached to the inner peripheral surface of the roller body and is in rolling connection with the roller body, and an inner ring which is attached to the outer peripheral surface of the rotating shaft and is in rolling connection with the rotating shaft; the inner ring is sleeved in the outer ring, and a plurality of second bearing assemblies which are circumferentially distributed at intervals are arranged between the inner ring and the outer ring; the second bearing assembly comprises an outer wheel rotationally connected with the inner circumferential surface of the outer ring and the outer circumferential surface of the inner ring, and an inner wheel sleeved in the outer wheel; a plurality of rollers are arranged between the outer wheel and the inner wheel. Through set up bearing assembly between gyro wheel body and pivot, when making the gyro wheel body roll under the drive of pivot, reduce the frictional force of gyro wheel body and pivot, improve the life of gyro wheel.
Description
Technical Field
The utility model relates to a gyro wheel field, more specifically relates to a reduce frictional force's gyro wheel.
Background
The roller is an important part in mechanical equipment, and the roller can roll by being driven by the rotating shaft. However, during the rotation of the roller, friction is generated due to the contact between the roller and the rotating shaft, and the generated friction reduces the service life of the roller.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model discloses a gyro wheel has the problem that gyro wheel life is low in the solution technique.
To achieve the purpose, the utility model adopts the following technical proposal:
the utility model provides a roller capable of reducing friction force, which comprises a roller body and a rotating shaft, wherein the rotating shaft is used for driving the roller body to rotate and is sleeved in the roller body;
the rotating shaft is connected with the roller body through a bearing assembly;
the bearing assembly comprises a first bearing assembly and a second bearing assembly located within the first bearing assembly;
the first bearing assembly comprises an outer ring which is attached to the inner peripheral surface of the roller body and is in rolling connection with the roller body, and an inner ring which is attached to the outer peripheral surface of the rotating shaft and is in rolling connection with the rotating shaft;
the inner ring is sleeved in the outer ring, and a plurality of second bearing assemblies which are circumferentially distributed at intervals are arranged between the inner ring and the outer ring;
the second bearing assembly comprises an outer wheel rotationally connected with the inner circumferential surface of the outer ring and the outer circumferential surface of the inner ring, and an inner wheel sleeved in the outer wheel;
a plurality of rollers are arranged between the outer wheel and the inner wheel.
Preferably, a plurality of first notch openings which are uniformly distributed at intervals are inwards recessed in the inner ring, and lubricating oil is stored in the first notch openings.
Preferably, the first notch opening is provided along an inner circumferential surface of the inner ring facing in a direction of an outer circumferential surface of the inner ring.
Preferably, a groove surface of the first groove opening is an arc surface.
Preferably, the cambered surface is semicircular or elliptical in shape.
Preferably, the depth of the cambered surface is 0.05 mm-0.1 mm.
Preferably, a second groove opening of the outer wheel is recessed in the inner circumferential surface of the outer ring, and the outer ring is in rolling connection with the second groove opening;
and a third groove opening matched with the outer wheel is concavely arranged on the peripheral surface of the inner ring, and the inner ring is in rolling connection with the third groove opening.
Preferably, there are set distances between the outer ring and the groove surface of the second groove opening and between the inner ring and the groove surface of the third groove opening, the set distances forming a storage space.
Preferably, lubricating oil is stored in the storage space.
The utility model has the advantages that:
the utility model discloses a roller capable of reducing friction force, which comprises a roller body and a rotating shaft for driving the roller body to rotate and sleeved in the roller body; the rotating shaft is connected with the roller body through a bearing assembly; the bearing assembly comprises a first bearing assembly and a second bearing assembly positioned in the first bearing assembly; the first bearing assembly comprises an outer ring which is attached to the inner peripheral surface of the roller body and is in rolling connection with the roller body, and an inner ring which is attached to the outer peripheral surface of the rotating shaft and is in rolling connection with the rotating shaft; the inner ring is sleeved in the outer ring, and a plurality of second bearing assemblies which are circumferentially distributed at intervals are arranged between the inner ring and the outer ring; the second bearing assembly comprises an outer wheel rotationally connected with the inner circumferential surface of the outer ring and the outer circumferential surface of the inner ring, and an inner wheel sleeved in the outer wheel; a plurality of rollers are arranged between the outer wheel and the inner wheel. The bearing assembly is arranged between the roller body and the rotating shaft, so that when the roller body is driven by the rotating shaft to roll, the friction force between the roller body and the rotating shaft during rolling is reduced, the service life of the roller is prolonged, furthermore, the bearing assembly comprises a first bearing assembly and a second bearing assembly positioned in the first bearing assembly, an outer wheel is arranged between the outer ring and the inner ring of the first bearing assembly, the outer wheel is in rolling connection with the outer ring and the inner ring, the outer ring is connected with the inner ring through a plurality of rollers, by arranging an outer wheel which flexibly rolls with the outer ring and the inner ring and a plurality of flexibly rolling rollers arranged between the outer ring and the inner ring, can reach when the gyro wheel body rolls, further reduce the frictional force between gyro wheel body and the pivot, prevent wearing and tearing too fast, effectively protect the gyro wheel, improve the performance of gyro wheel greatly, increase of service life.
Drawings
Fig. 1 is a schematic structural diagram of a friction-reducing roller according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of an enlarged view of a roller a for reducing friction according to an embodiment of the present invention.
In the figure:
1. a roller body; 2. a rotating shaft; 3. a first bearing assembly; 4. a second bearing assembly; 31. an outer ring; 32. An inner ring; 41. an outer wheel; 42. an inner wheel; 311. a second notch opening; 321. a first notch opening; 322. a third notch opening; 412. a roller.
Detailed Description
The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.
Fig. 1 is a schematic structural diagram of a roller according to an embodiment of the present invention, and fig. 2 is a schematic structural diagram of an enlarged view of a point a of a roller for reducing friction according to an embodiment of the present invention, as shown in fig. 1 to 2. The utility model discloses a roller for reducing friction force, which comprises a roller body 1 and a rotating shaft 2, wherein the rotating shaft 2 is used for driving the roller body 1 to rotate and is sleeved in the roller body 1; the rotating shaft 2 is connected with the roller body 1 through a bearing assembly; the bearing assembly comprises a first bearing assembly 3 and a second bearing assembly 4 located within the first bearing assembly 3; the first bearing assembly 3 comprises an outer ring 31 which is attached to the inner peripheral surface of the roller body 1 and is in rolling connection with the roller body 1, and an inner ring 32 which is attached to the outer peripheral surface of the rotating shaft 2 and is in rolling connection with the rotating shaft 2; the inner ring 32 is sleeved in the outer ring 31, and a plurality of second bearing assemblies 4 which are circumferentially distributed at intervals are arranged between the inner ring 32 and the outer ring 31; the second bearing assembly 4 comprises an outer wheel 41 rotationally connected with the inner circumferential surface of the outer ring 31 and the outer circumferential surface of the inner ring 32, and an inner wheel 42 sleeved in the outer wheel 41; a plurality of rollers 412 are provided between the outer wheel 41 and the inner wheel 42. Specifically, by arranging the bearing assembly between the roller body 1 and the rotating shaft 2, when the roller body 1 is driven by the rotating shaft 2 to roll, the friction force between the roller body 1 and the rotating shaft 2 during rolling is reduced, the service life of the roller is prolonged, furthermore, the bearing assembly comprises a first bearing assembly 3 and a second bearing assembly 4 positioned in the first bearing assembly 3, an outer wheel 41 is arranged between an outer ring 31 and an inner ring 32 of the first bearing assembly 3, the outer wheel 41 is in rolling connection with the outer ring 31 and the inner ring 32, the outer ring 31 is connected with the inner ring 32 through a plurality of rollers 312, by arranging the outer wheel 41 which is in rolling connection with the outer ring 31 and the inner ring 3 flexibly 2 and the plurality of rollers 312 which are in rolling connection between the outer ring 31 and the inner ring 32, the friction force between the roller body 1 and the rotating shaft 2 can be further reduced when the roller body 1 rolls, the roller is prevented from being abraded too fast, the roller is effectively protected, the performance of the roller is greatly improved, and the service life is prolonged.
In order to further reduce the friction force, it is preferable that the inner ring 32 has a plurality of first notches 321 recessed therein at regular intervals, and the first notches 321 have lubricating oil stored therein. Preferably, the first notch 321 is provided along an inner circumference of the inner ring 32 facing in a direction of an outer circumferential surface of the inner ring 32. The first notch 321 recessed on the inner ring 32 along the inner circumference of the inner ring 32 toward the outer circumference of the inner ring 32 for storing lubricating oil can form a lubricating grease layer between the rotating shaft 2 and the inner ring 32 during the rotation of the rotating shaft, thereby reducing the friction between the rotating shaft 2 and the inner ring 32 during the rotation of the rotating shaft.
Preferably, the groove surface of the first groove port 321 is an arc surface. Preferably, the cambered surface is semicircular or elliptical in shape. The groove surface of the first groove opening 321 is an arc surface, so that the machining is easy, the surface of the arc surface is smooth, sharp corners are avoided, and the lubricating oil is convenient to store.
Preferably, the depth of the cambered surface is 0.05 mm-0.1 mm.
In order to further reduce the friction force, preferably, the inner circumferential surface of the outer ring 31 is recessed with a second notch 311 matched with the outer wheel 41, and the outer ring 31 is in rolling connection with the second notch 311; the outer peripheral surface of the inner ring 32 is recessed with a third notch 322 matched with the outer wheel 41, and the inner ring 32 is connected with the third notch 322 in a rolling way. Preferably, there are set distances, which form a storage space, between the outer race 31 and the groove surface of the second notch 311, and between the inner race 32 and the groove surface of the third notch 322. Preferably, lubricating oil is stored in the storage space. Specifically, the outer wheel 41 and the second notch 311 have a set distance, which may be a distance of 0.05mm to 0.1mm, and specifically, the outer wheel 41 and the second notch 311 have a set distance other than the distance from both side ends of the second notch 311.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the spirit and scope of the invention. The present invention is not to be limited by the specific embodiments disclosed herein, and other embodiments that fall within the scope of the claims of the present application are intended to be within the scope of the present invention.
Claims (9)
1. A kind of gyro wheel which reduces the friction, characterized by:
the roller comprises a roller body (1) and a rotating shaft (2) which is used for driving the roller body (1) to rotate and is sleeved in the roller body (1);
the rotating shaft (2) is connected with the roller body (1) through a bearing assembly;
the bearing assembly comprises a first bearing assembly (3) and a second bearing assembly (4) located within the first bearing assembly (3);
the first bearing assembly (3) comprises an outer ring (31) which is attached to the inner peripheral surface of the roller body (1) and is in rolling connection with the roller body (1), and an inner ring (32) which is attached to the outer peripheral surface of the rotating shaft (2) and is in rolling connection with the rotating shaft (2);
the inner ring (32) is sleeved in the outer ring (31), and a plurality of second bearing assemblies (4) which are circumferentially distributed at intervals are arranged between the inner ring (32) and the outer ring (31);
the second bearing assembly (4) comprises an outer wheel (41) rotationally connected with the inner circumferential surface of the outer ring (31) and the outer circumferential surface of the inner ring (32), and an inner wheel (42) sleeved in the outer wheel (41);
a plurality of rollers (412) are provided between the outer wheel (41) and the inner wheel (42).
2. The friction reducing roller as set forth in claim 1, wherein:
a plurality of first notch openings (321) which are uniformly distributed at intervals are inwards recessed in the inner ring (32), and lubricating oil is stored in the first notch openings (321).
3. The friction reducing roller as set forth in claim 2, wherein:
the first notch opening (321) is provided along an inner circumference of the inner ring (32) facing in a direction of an outer circumferential surface of the inner ring (32).
4. The friction reducing roller as set forth in claim 3, wherein:
the groove surface of the first groove opening (321) is an arc surface.
5. The friction reducing roller as set forth in claim 4, wherein:
the cambered surface is semicircular or elliptic in shape.
6. The friction reducing roller as set forth in claim 5, wherein:
the depth of the cambered surface is 0.05 mm-0.1 mm.
7. The friction reducing roller as set forth in claim 1, wherein:
a second notch (311) matched with the outer wheel (41) is recessed in the inner circumferential surface of the outer ring (31), and the outer ring (31) is in rolling connection with the second notch (311);
a third notch (322) matched with the outer wheel (41) is concavely arranged on the peripheral surface of the inner ring (32), and the inner ring (32) is in rolling connection with the third notch (322).
8. The friction reducing roller as set forth in claim 7 wherein:
set distances exist between the outer ring (31) and the groove surface of the second groove opening (311), and between the inner ring (32) and the groove surface of the third groove opening (322), and the set distances form a storage space.
9. The friction reducing roller as set forth in claim 8, wherein:
lubricating oil is stored in the storage space.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920467945.2U CN210318169U (en) | 2019-04-09 | 2019-04-09 | Roller capable of reducing friction force |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920467945.2U CN210318169U (en) | 2019-04-09 | 2019-04-09 | Roller capable of reducing friction force |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210318169U true CN210318169U (en) | 2020-04-14 |
Family
ID=70135603
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920467945.2U Expired - Fee Related CN210318169U (en) | 2019-04-09 | 2019-04-09 | Roller capable of reducing friction force |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210318169U (en) |
-
2019
- 2019-04-09 CN CN201920467945.2U patent/CN210318169U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200414 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |