CN220118513U - Double-row roller bearing - Google Patents
Double-row roller bearing Download PDFInfo
- Publication number
- CN220118513U CN220118513U CN202320802877.7U CN202320802877U CN220118513U CN 220118513 U CN220118513 U CN 220118513U CN 202320802877 U CN202320802877 U CN 202320802877U CN 220118513 U CN220118513 U CN 220118513U
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- CN
- China
- Prior art keywords
- oil
- hole
- bearing
- rolling wheel
- outer ring
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- 238000005096 rolling process Methods 0.000 claims abstract description 64
- 239000003921 oil Substances 0.000 abstract description 72
- 239000010687 lubricating oil Substances 0.000 abstract description 20
- 238000005461 lubrication Methods 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000314 lubricant Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Rolling Contact Bearings (AREA)
Abstract
The utility model discloses a double-row roller bearing, which is technically characterized by comprising an inner ring, an outer ring and a retainer; the outer ring is respectively provided with a side oil hole and a middle oil hole; oil outlets are formed in the side oil holes and the middle oil hole; the oil outlet can enable lubricating oil in the side oil hole to flow onto the rolling wheel so as to lubricate the rolling wheel, meanwhile, the lubricating oil drops onto the bulge through the oil outlet at the bottom of the middle oil hole, the bulge can guide the lubricating oil onto the rolling wheel so as to lubricate the rolling wheel further, and the bearing is convenient to lubricate through the arrangement; the arrangement of the double rows of the placing holes can enable the rolling wheels to be arranged in the bearing in double rows, so that the bearing can run at high speed; the utility model has the effects of facilitating the lubrication of the bearing and improving the revolution of the bearing.
Description
Technical Field
The present utility model relates to a bearing, and more particularly to a double row roller bearing.
Background
The double-row bearing is one of rolling bearings, and the rolling bodies are two-row bearings, which are different from a single-row bearing and a multi-row bearing; the double-row bearing consists of an inner part, an outer part, rolling bodies and a retainer; after the double-row bearing is used, lubricating oil is required to be added to lubricate the double-row bearing; when partial double-row bearings are connected with the driving piece, the double-row bearings need to be disassembled and then disassembled for lubrication, so that the double-row bearings are inconvenient.
Disclosure of Invention
Aiming at the defects existing in the prior art, the utility model provides a double-row roller bearing which has the effects of facilitating the lubrication of the bearing and improving the revolution of the bearing.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a biserial gyro wheel bearing, includes inner ring, outer loop, holder, its characterized in that: the inner ring is positioned at the innermost layer; an outer ring is arranged on one side of the inner ring; a retainer is arranged between the inner ring and the outer ring; the retainer is provided with rolling wheels; the rolling wheels are arranged at intervals; the outer ring is provided with a side oil hole and a middle oil hole.
By adopting the technical scheme: the lubricating oil lubricates the rolling wheel through the side oil hole and the middle oil hole so as to facilitate the lubrication of the bearing; the retainer is provided with two rows of rolling wheels, the number of revolutions of the bearing can be increased relative to the bearing with only one row of rolling wheels, and the retainer enables the rolling wheels to be firmly arranged between the inner ring and the outer ring.
The utility model is further provided with: a plurality of inner grooves are formed in the inner ring; a plurality of outer grooves are formed in the outer ring; the rolling wheel is arranged between the inner groove and the outer groove.
By adopting the technical scheme: the inner groove and the outer groove are semicircular; the rolling wheel is circular, so that the rolling wheel is firmly arranged between the inner groove and the outer groove.
The utility model is further provided with: the retainer is provided with a placement hole; the rolling wheel is arranged in the placing hole; the placing holes are distributed at equal intervals; the diameter of the placement hole is larger than that of the rolling wheel; the middle part of the retainer is provided with a bulge; the protrusions are arranged between the placement holes.
By adopting the technical scheme: the placement hole is circular so that the rolling wheel can be placed in the placement hole; the diameter of the placing hole is larger than that of the rolling wheel, so that the placing hole plays a limiting role on the rolling wheel and the rolling wheel can be stably arranged in the placing hole; the protrusions are integrally formed with the retainer such that the protrusions can guide the lubricating oil dropped through the middle oil hole to enable the lubricating oil to rapidly flow onto the rolling wheels to lubricate the rolling wheels.
The utility model is further provided with: side oil holes are formed in two sides of the outer ring; the middle part of the outer ring is provided with a middle oil hole; oil outlet holes are formed in the bottoms of the side oil holes and the middle oil hole.
By adopting the technical scheme: the side oil holes are positioned at the edge of the outer ring, and lubricating oil drips onto the rolling wheels through the oil outlet holes at the bottoms of the side oil holes at the two sides to lubricate the rolling wheels so as to reduce friction force; the middle oil hole is located the outer loop middle part, and lubricating oil drips to the arch through the oil outlet of middle part oil hole bottom simultaneously, and the arch can be with the lubricating oil guide to roll the epaxial further lubrication of wheel to roll.
The utility model is further provided with: the side oil holes and the middle oil holes are distributed on the outer ring at equal intervals.
By adopting the technical scheme: the side oil holes and the middle oil holes are equidistantly distributed on the outer ring, so that lubricating oil can uniformly lubricate the rolling wheel.
In summary, the utility model has the following beneficial effects: the outer ring is respectively provided with a side oil hole and a middle oil hole; oil outlets are formed in the side oil holes and the middle oil hole; the oil outlet can enable lubricating oil in the side oil hole to flow onto the rolling wheel so as to lubricate the rolling wheel, and the oil outlet in the middle oil hole can enable lubricating oil in the middle oil hole to flow onto the bulge and flow to the rolling wheel along the bulge so as to lubricate the rolling wheel, so that the bearing is convenient to lubricate through the arrangement; the arrangement of the double rows of the placing holes can enable the rolling wheels to be arranged in the bearing in double rows, so that the bearing can run at a high speed.
Drawings
FIG. 1 is a schematic diagram of the structure of the present embodiment;
FIG. 2 is a schematic diagram of the inner and outer grooves of the present embodiment;
fig. 3 is an enlarged view of a portion a of fig. 2;
fig. 4 is an enlarged view of a portion B of fig. 2;
fig. 5 is a schematic view of the cage of the present embodiment.
Reference numerals: 1. an inner ring; 2. an outer ring; 3. a retainer; 4. a rolling wheel; 5. a side oil hole; 6. a middle oil hole; 7. an inner groove; 8. an outer groove; 9. placing the hole; 10. a protrusion; 11. and an oil outlet.
Detailed Description
The present utility model will be described in further detail with reference to the accompanying drawings.
The embodiment discloses a double-row roller bearing, which has the effects of facilitating the lubrication of the bearing and improving the revolution of the bearing as shown in fig. 1 to 5; comprises an inner ring 1, an outer ring 2 and a retainer 3; the inner ring 1 is positioned at the innermost layer; an outer ring 2 is arranged on one side of the inner ring 1; a retainer 3 is arranged between the inner ring 1 and the outer ring 2; a rolling wheel 4 is arranged on the retainer 3; the rolling wheels 4 are arranged at intervals; the outer ring 2 is provided with a side oil hole 5 and a middle oil hole 6.
By adopting the technical scheme: the lubricating oil lubricates the rolling wheel 4 through the side oil hole 5 and the middle oil hole 6 so as to facilitate the lubrication of the bearing; the retainer 3 is provided with two rows of rolling wheels 4, the number of bearing revolutions can be increased relative to a bearing with only one row of rolling wheels, and the retainer 3 enables the rolling wheels 4 to be firmly arranged between the inner ring 1 and the outer ring 2.
Two inner grooves 7 are formed in the inner ring 1; two outer grooves 8 are formed in the outer ring 2; the rolling wheel 4 is arranged between the inner groove 7 and the outer groove 8.
By adopting the technical scheme: the inner groove 7 and the outer groove 8 are semicircular; the rolling wheel 4 is circular so that the rolling wheel 4 is firmly arranged between the inner groove 7 and the outer groove 8.
The retainer 3 is provided with a placement hole 9; the rolling wheel 4 is arranged in the placing hole 9; the placement holes 9 are distributed at equal intervals; the diameter of the placement hole 9 is larger than that of the rolling wheel 4; a bulge 10 is arranged in the middle of the retainer 3; the protrusions 10 are disposed between the placement holes 9.
By adopting the technical scheme: the placement hole 9 is circular so that the rolling wheel 4 can be placed in the placement hole 9; the diameter of the placement hole 9 is larger than that of the rolling wheel 4, so that the placement hole 9 plays a limiting role on the rolling wheel 4 and the rolling wheel 4 can be stably arranged in the placement hole 9; the protrusion 10 is integrally formed with the cage 3 such that the protrusion 10 can guide the lubricant dropped through the middle oil hole 6 to allow the lubricant to rapidly flow onto the roller 4 to lubricate the roller 4.
Side oil holes 5 are formed in the two sides of the outer ring 2; the middle part of the outer ring 2 is provided with a middle oil hole 6; the bottoms of the side oil holes 5 and the middle oil hole 6 are provided with oil outlets 11.
By adopting the technical scheme: the side oil holes 5 are positioned at the edge of the outer ring 2, and lubricating oil drips onto the rolling wheel 4 through oil outlet holes 11 at the bottoms of the side oil holes 5 at the two sides to lubricate the rolling wheel 4 so as to reduce friction force; the middle oil hole 6 is located in the middle of the outer ring 2, and lubricating oil simultaneously drips onto the protrusions 10 through oil outlet holes 11 in the bottom of the middle oil hole 6, and the protrusions 10 can guide the lubricating oil onto the rolling wheels 4 to further lubricate the rolling wheels 4.
The side oil holes 5 and the middle oil hole 6 are equidistantly distributed on the outer ring 2.
By adopting the technical scheme: the side oil holes 5 and the middle oil hole 6 are equidistantly distributed on the outer ring 2, so that lubricating oil can uniformly lubricate the rolling wheel 4.
In summary, the utility model has the following beneficial effects: the outer ring 2 is respectively provided with a side oil hole 5 and a middle oil hole 6; oil outlets 11 are formed in the side oil holes 5 and the middle oil hole 6; the oil outlet 11 can enable the lubricating oil in the side oil hole 5 to flow onto the rolling wheel 4 so as to lubricate the rolling wheel 4, the oil outlet 11 in the middle oil hole 6 can enable the lubricating oil in the middle oil hole 6 to flow onto the bulge 10 and flow to the rolling wheel 4 along the bulge 10 so as to lubricate the rolling wheel 4, and the bearing is convenient to lubricate through the arrangement; the arrangement of the double rows of the placing holes 9 can enable the rolling wheels 4 to be arranged in the bearing in double rows, so that the bearing can run at a high speed.
The above embodiments are only preferred embodiments of the present utility model, and are not intended to limit the present utility model, and any modifications, equivalent substitutions, improvements, etc. within the design concept of the present utility model should be included in the scope of the present utility model.
Claims (5)
1. The utility model provides a biserial gyro wheel bearing, includes inner ring (1), outer loop (2), holder (3), its characterized in that: the inner ring (1) is positioned at the innermost layer; an outer ring (2) is arranged on one side of the inner ring (1); a retainer (3) is arranged between the inner ring (1) and the outer ring (2); a rolling wheel (4) is arranged on the retainer (3); the rolling wheels (4) are arranged at intervals; the outer ring (2) is provided with a side oil hole (5) and a middle oil hole (6).
2. The double row roller bearing of claim 1, wherein: a plurality of inner grooves (7) are formed in the inner ring (1); a plurality of outer grooves (8) are formed in the outer ring (2); the rolling wheel (4) is arranged between the inner groove (7) and the outer groove (8).
3. The double row roller bearing of claim 1, wherein: a placing hole (9) is formed in the retainer (3); the rolling wheel (4) is arranged in the placing hole (9); the placement holes (9) are distributed at equal intervals; the diameter of the placement hole (9) is larger than that of the rolling wheel (4); a bulge (10) is arranged in the middle of the retainer (3); the protrusions (10) are arranged between the placement holes (9).
4. The double row roller bearing of claim 2, wherein: side oil holes (5) are formed in the two sides of the outer ring (2); a middle oil hole (6) is formed in the middle of the outer ring (2); oil outlet holes (11) are formed in the bottoms of the side oil holes (5) and the middle oil hole (6).
5. The double row roller bearing of claim 4, wherein: the side oil holes (5) and the middle oil hole (6) are distributed on the outer ring (2) at equal intervals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320802877.7U CN220118513U (en) | 2023-04-07 | 2023-04-07 | Double-row roller bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320802877.7U CN220118513U (en) | 2023-04-07 | 2023-04-07 | Double-row roller bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220118513U true CN220118513U (en) | 2023-12-01 |
Family
ID=88914127
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320802877.7U Active CN220118513U (en) | 2023-04-07 | 2023-04-07 | Double-row roller bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220118513U (en) |
-
2023
- 2023-04-07 CN CN202320802877.7U patent/CN220118513U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |