CN214247998U - Bearing with outer ring provided with spiral crossed grooves - Google Patents
Bearing with outer ring provided with spiral crossed grooves Download PDFInfo
- Publication number
- CN214247998U CN214247998U CN202022769501.XU CN202022769501U CN214247998U CN 214247998 U CN214247998 U CN 214247998U CN 202022769501 U CN202022769501 U CN 202022769501U CN 214247998 U CN214247998 U CN 214247998U
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- CN
- China
- Prior art keywords
- bearing
- groove
- outer ring
- spiral
- helicla flute
- 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
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- 238000007789 sealing Methods 0.000 claims description 9
- 238000004140 cleaning Methods 0.000 abstract description 6
- 239000000428 dust Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000452 restraining effect Effects 0.000 description 1
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- Rolling Contact Bearings (AREA)
Abstract
The utility model relates to a bearing technical field just discloses a bearing of spiral cross slot is taken to outer lane, including the bearing inner circle, the surface of bearing inner circle is provided with a plurality of balls, and is a plurality of the holder has been cup jointed to the surface of ball, the surface of holder is provided with the bearing inner circle, the bearing inner circle is rotated through a plurality of balls to connect in the bearing inner circle to the bearing inner circle, first helicla flute and second helicla flute have been seted up on the surface of bearing inner circle, first helicla flute and second helicla flute are the wave-shaped groove, first helicla flute and second helicla flute intercrossing symmetry set up, still seted up a plurality of intercommunication grooves on the surface of bearing inner circle, it is a plurality of the intercommunication groove is seted up to the both sides wall of bearing inner circle by first helicla flute and second helicla flute distance both sides wall of bearing inner circle on the nearest. The bearing with the outer ring provided with the spiral crossed groove is convenient and quick to clean, and the bearing does not need to be detached during cleaning.
Description
Technical Field
The utility model relates to a bearing technical field specifically is a bearing of spiral cross groove is taken to outer lane.
Background
The bearing is an important part in the modern mechanical equipment. The main function of the bearing is to support the mechanical rotating body, reduce the friction coefficient in the movement process and ensure the rotation precision of the mechanical rotating body.
To the above disadvantage, the chinese authorized utility model discloses a number: CN 210153094U discloses a bearing with an outer ring having a spiral cross groove, wherein the bearing with the outer ring having the spiral cross groove solves the above disadvantages by providing a double spiral groove structure on the outer ring of the bearing;
however, in the above-mentioned prior art structure, when the bearing is mounted and operates at a high speed, the outer ring of the bearing rubs against an external device, which causes metal dust or dirt to be accumulated in the double spiral grooves, and it is difficult to clean the dirt.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
To prior art's not enough among the above-mentioned background art, the utility model provides a bearing of spiral cross slot is taken to outer lane to overcome the bearing of the current outer lane area spiral cross slot that proposes in the above-mentioned background art, at the bearing in installation with high-speed operation, the bearing inner race can take place the friction with external machine, leads to two spiral inslots inside to store up metal dust or dirty, is difficult to again carry out the shortcoming of clearing up dirty.
(II) technical scheme
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes:
a bearing with an outer ring provided with a spiral crossed groove comprises a bearing inner ring, wherein a plurality of balls are arranged on the outer surface of the bearing inner ring, a retainer is sleeved on the outer surface of the plurality of balls, a bearing outer ring is arranged on the outer surface of the retainer, and the bearing outer ring is rotatably connected to the bearing inner ring through the plurality of balls;
first helicla flute and second helicla flute have been seted up on the surface of bearing inner race, first helicla flute and second helicla flute are the wave-shaped groove, first helicla flute and second helicla flute intercrossing symmetry set up, still seted up a plurality of intercommunication grooves on the surface of bearing inner race, it is a plurality of the intercommunication groove is seted up to the both sides wall of bearing inner race by first helicla flute and second helicla flute distance both sides wall of bearing inner race on the wall nearest.
As an optimal technical solution of the utility model: and sealing rings are arranged between the bearing inner ring and the bearing outer ring and positioned on two sides of the retainer, the sealing rings are fixedly connected to the bearing inner ring, and gaps are reserved between the inner walls of the two sealing rings and two sides of the retainer.
As an optimal technical solution of the utility model: it is a plurality of all install the rubber buffer in the intercommunication inslot, prevent that the bearing from at the during operation, inside outside dirt got into first helicla flute and second helicla flute through the intercommunication groove.
Furthermore, a plurality of balls are arranged between the bearing inner ring and the bearing outer ring at equal intervals, and the plurality of balls are in mutual contact with the inner wall of the bearing outer ring on the outer surface of the bearing inner ring.
Furthermore, gaps are reserved among the retainer, the bearing inner ring and the bearing outer ring, and the distance between the retainer and the bearing inner ring is smaller than the distance between the retainer and the bearing outer ring.
Furthermore, the groove depths of the first spiral groove, the second spiral groove and the communicating groove are equal, and the groove depths of the first spiral groove, the second spiral groove and the communicating groove are all 0.5-3 mm.
Furthermore, the corners and the joints of the first spiral groove, the second spiral groove and the communicating groove are smooth and excessive.
According to the working principle, when the bearing with the outer ring provided with the spiral crossed grooves needs to be used, firstly, the inner ring of the bearing is fixedly connected to an external rotating shaft, then, the outer ring of the bearing is fixed in a machine, the outer ring of the bearing is rotatably connected to the inner ring of the bearing through balls, a retainer plays a role in restraining and supporting a plurality of balls, then, rubber plugs are installed in the communicating grooves, and finally, the bearing is operated; when the bearing outer ring is installed on an external machine and operates, relative friction can occur with the external machine, dirt is accumulated in the first spiral groove, the second spiral groove and the communicating groove, after the bearing is used for a period of time, the rubber plug in the communicating groove is disassembled, cleaning equipment such as an air gun can be used for cleaning the inside of the bearing, the bearing with the spiral cross groove on the outer ring is convenient and fast to clean the inside of the first spiral groove and the second spiral groove, and the bearing does not need to be disassembled when being cleaned.
(III) advantageous effects
The utility model provides a bearing of spiral cross slot is taken to outer lane possesses following beneficial effect:
(1) this bearing of spiral cross slot is taken to outer lane, through all having seted up the intercommunication groove in first helicla flute and second helicla flute distance bearing inner race the both sides wall is the nearest, a plurality of intercommunication grooves are all opened and are set up to bearing inner race's both sides wall, when the bearing operation, adopt the rubber buffer to block up the intercommunication groove, when needs are cleared up first helicla flute and the inside dirt of second helicla flute, can pull out the rubber buffer and directly use clearance instruments such as air gun to clear up first helicla flute and the inside of second helicla flute, clearance convenient and fast, and need not pull down the bearing, the problem that current bearing of outer lane area spiral cross slot is difficult to dirty clearance has been solved.
Drawings
FIG. 1 is a schematic perspective view of a bearing with spiral cross grooves on its outer ring;
FIG. 2 is a schematic plan view of the bearing with spiral cross grooves on the outer ring of the present invention;
FIG. 3 is a schematic view of the internal three-dimensional structure of the bearing with spiral cross grooves on the outer ring of the present invention;
FIG. 4 is a schematic structural diagram of the outer ring of the bearing with spiral crossed grooves;
fig. 5 is a left side view of the bearing outer ring of the bearing with spiral cross grooves in the outer ring of the present invention.
In the figure: 1. a bearing inner race; 2. a ball bearing; 3. a holder; 4. a bearing outer race; 5. a seal ring; 6. a first helical groove; 7. a second helical groove; 8. a communicating groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-5, the present invention provides a bearing with an outer ring having spiral cross grooves;
according to the drawings shown in fig. 1-3, the bearing comprises a bearing inner ring 1, a plurality of balls 2 are arranged on the outer surface of the bearing inner ring 1, the balls 2 are arranged between the bearing inner ring 1 and a bearing outer ring 4 at equal intervals, the balls 2 are all contacted with the inner wall of the bearing outer ring 4 on the outer surface of the bearing inner ring 1, a retainer 3 is sleeved on the outer surface of the balls 2, gaps are reserved between the retainer 3 and the bearing inner ring 1 and between the retainer 3 and the bearing outer ring 4, the distance between the retainer 3 and the bearing inner ring 1 is smaller than the distance between the retainer 3 and the bearing outer ring 4, the bearing outer ring 4 is arranged on the outer surface of the retainer 3, and the bearing outer ring 4 is rotatably connected to the bearing inner ring 1 through the balls 2;
according to the drawings of fig. 4 and 5, a first spiral groove 6 and a second spiral groove 7 are formed in the outer surface of the bearing outer ring 4, the first spiral groove 6 and the second spiral groove 7 are both wavy grooves, the first spiral groove 6 and the second spiral groove 7 are symmetrically arranged in a crossed manner, a plurality of communicating grooves 8 are further formed in the outer surface of the bearing outer ring 4, the depths of the first spiral groove 6, the second spiral groove 7 and the communicating grooves 8 are equal, the depths of the first spiral groove 6, the second spiral groove 7 and the communicating grooves 8 are both 0.5-3mm, the communicating grooves 8 are formed in the positions, closest to the two side walls of the bearing outer ring 4, of the first spiral groove 6 and the second spiral groove 7 to the two side walls of the bearing outer ring 4 respectively, the corners and the joints of the first spiral groove 6, the second spiral groove 7 and the communicating grooves 8 are smooth and excessive, the communicating grooves 8 are formed in the positions, closest to the two side walls of the bearing outer ring 4, of the first spiral groove 6 and the second spiral groove 7 to the bearing outer ring 4, the communicating grooves 8 are formed in the two side walls of the bearing outer ring 4, rubber plugs are adopted to block the communicating grooves 8 when the bearing operates, when dirt in the first spiral groove 6 and the second spiral groove 7 needs to be cleaned, the rubber plugs can be pulled down, cleaning tools such as air guns and the like can be directly used for cleaning the inner parts of the first spiral groove 6 and the second spiral groove 7, cleaning is convenient and rapid, the bearing does not need to be detached, and the problem that the dirt of the existing bearing with the spiral crossed grooves on the outer ring is difficult to clean is solved;
as shown in fig. 1 to 3, a preferred embodiment of the present invention is: sealing rings 5 are arranged between the bearing inner ring 1 and the bearing outer ring 4 and positioned on two sides of the retainer 3, the sealing rings 5 are fixedly connected to the bearing inner ring 1, and gaps are reserved between the inner walls of the two sealing rings 5 and two sides of the retainer 3;
as shown in fig. 4 to 5, a preferred embodiment of the present invention is: all install the rubber buffer in a plurality of intercommunication grooves 8, prevent that the bearing from at the during operation, outside dirt passes through inside intercommunication groove 8 gets into first helicla flute 6 and second helicla flute 7.
It should be noted that, in the present invention, unless explicitly stated or limited otherwise, the terms "disposed," "mounted," "connected," and "fixed" are to be understood in a broad sense, and may be, for example, either fixedly or detachably connected; or indirectly through an intermediary. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (7)
1. The bearing with the outer ring provided with the spiral crossed groove comprises a bearing inner ring (1) and is characterized in that a plurality of balls (2) are arranged on the outer surface of the bearing inner ring (1), a retainer (3) is sleeved on the outer surface of the balls (2), a bearing outer ring (4) is arranged on the outer surface of the retainer (3), and the bearing outer ring (4) is rotatably connected to the bearing inner ring (1) through the balls (2);
first helicla flute (6) and second helicla flute (7) have been seted up on the surface of bearing inner race (4), first helicla flute (6) and second helicla flute (7) are the wave-shaped groove, first helicla flute (6) and second helicla flute (7) intercrossing symmetry set up, still seted up a plurality of intercommunication grooves (8) on the surface of bearing inner race (4), it is a plurality of intercommunication groove (8) are seted up to the both sides wall of bearing inner race (4) by first helicla flute (6) and second helicla flute (7) at the nearest apart from the both sides wall of bearing inner race (4).
2. The bearing with the spiral crossed groove on the outer ring is characterized in that sealing rings (5) are arranged between the bearing inner ring (1) and the bearing outer ring (4) and positioned on two sides of the retainer (3), the sealing rings (5) are fixedly connected to the bearing inner ring (1), and gaps are reserved between the inner walls of the two sealing rings (5) and two sides of the retainer (3).
3. A bearing with an outer ring provided with a spiral crossed groove as claimed in claim 1, wherein rubber plugs are installed in the communicating grooves (8).
4. A bearing with an outer ring having a spiral cross groove according to claim 1, wherein a plurality of balls (2) are arranged between the inner ring (1) and the outer ring (4) at equal intervals, and the plurality of balls (2) are in contact with the inner wall of the outer ring (4) on the outer surface of the inner ring (1).
5. A bearing with an outer ring provided with spiral cross grooves according to claim 1, characterized in that a clearance is left between the cage (3) and the bearing inner ring (1) and the bearing outer ring (4), and the distance between the cage (3) and the bearing inner ring (1) is smaller than the distance between the cage (3) and the bearing outer ring (4).
6. A bearing with an outer ring provided with a spiral cross groove according to claim 1, wherein the first spiral groove (6), the second spiral groove (7) and the communication groove (8) have the same groove depth, and the groove depths of the first spiral groove (6), the second spiral groove (7) and the communication groove (8) are all 0.5-3 mm.
7. An outer ring bearing with spiral cross grooves as claimed in claim 1, wherein the corners and junctions of the first spiral groove (6), the second spiral groove (7) and the communication groove (8) are smooth and excessive.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022769501.XU CN214247998U (en) | 2020-11-26 | 2020-11-26 | Bearing with outer ring provided with spiral crossed grooves |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022769501.XU CN214247998U (en) | 2020-11-26 | 2020-11-26 | Bearing with outer ring provided with spiral crossed grooves |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214247998U true CN214247998U (en) | 2021-09-21 |
Family
ID=77734223
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022769501.XU Expired - Fee Related CN214247998U (en) | 2020-11-26 | 2020-11-26 | Bearing with outer ring provided with spiral crossed grooves |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214247998U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114776712A (en) * | 2022-04-13 | 2022-07-22 | 深圳大华轴承有限公司 | Heat dissipation type new energy automobile bearing and transmission device applying same |
-
2020
- 2020-11-26 CN CN202022769501.XU patent/CN214247998U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114776712A (en) * | 2022-04-13 | 2022-07-22 | 深圳大华轴承有限公司 | Heat dissipation type new energy automobile bearing and transmission device applying same |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210921 |