CN203796749U - Cylindrical roller bearing - Google Patents
Cylindrical roller bearing Download PDFInfo
- Publication number
- CN203796749U CN203796749U CN201420212451.7U CN201420212451U CN203796749U CN 203796749 U CN203796749 U CN 203796749U CN 201420212451 U CN201420212451 U CN 201420212451U CN 203796749 U CN203796749 U CN 203796749U
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- CN
- China
- Prior art keywords
- oil
- cylindrical roller
- roller bearing
- outer ring
- inner 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
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Abstract
The utility model discloses a cylindrical roller bearing. The cylindrical roller bearing comprises an outer ring, a holder, a cylindrical roller and an inner ring. The cylindrical roller is arranged on the holder, the cylindrical roller and the holder are arranged between the outer ring and the inner ring, the outer ring and the inner ring are axially provided with oil storage channels respectively, oil filler holes are connected to the oil storage channels, all distributed in the end face of the outer ring and the end face of the inner ring, and provided with protection covers capable of covering the oil filler holes, and a plurality of through holes allowing bearing oil to penetrate through are formed in the portions, corresponding to one side face of the cylindrical roller, of the oil storage channels. According to the cylindrical roller bearing, the oil storage channels capable of oil storage and the oil filler holes capable of oil filling are arranged both inside the outer ring and inside the inner ring, the lubrication effect of the cylindrical roller bearing is improved and kept, friction force is greatly reduced, and high-speed running of the cylindrical roller bearing is achieved.
Description
Technical field
The utility model relates to a kind of mechanical Component, and more particularly, it relates to a kind of roller bearing.
Background technique
Roller bearing is comprised of outer ring, inner ring, cylindrical roller and retainer conventionally, wherein, after inner ring, cylindrical roller and retainer assembling riveted, forms inner assembly, and outer ring is separable.When bearing rotates, cylindrical roller and inner and outer ring raceway are all subject to very large alternation contact stress, its working surface is prone to metal fatigue, the friction extent of damage is large, therefore, capital is injection bearing oil on roller bearing, conventionally be all by Lubricators, bearing oil to be injected in roller bearing, but bearing oil is not long in the endurance of roller bearing inside, make roller bearing lubrication effect poor, the bearing oil storage time is short, at long-term High Rotation Speed, easily causes roller bearing fracture, and working life is short.
Model utility content
The deficiency existing for prior art, the purpose of this utility model is to provide a kind of high lubricating effect and long roller bearing of bearing oil storage time, this roller bearing not only can improve the lubrication effect of bearing inside and can keep lubrication effect, increase the service life, and be applicable to running up for a long time.
For achieving the above object, the utility model provides following technological scheme: a kind of roller bearing, comprise outer ring, retainer, cylindrical roller and inner ring, described cylindrical roller is arranged on retainer, described cylindrical roller and retainer are arranged between outer ring and inner ring, on described outer ring and inner ring, be all axially provided with oil storage passage, on described oil storage passage, be connected with oil hole, described oil hole is distributed on the end face of outer ring and the end face of inner ring, described oil hole is provided with the protecting cover that can cover oil hole, on described oil storage passage, Correspondent cy linder roller one side is provided with some through holes that wear for bearing oil.
By adopting technique scheme, during installation, cylindrical roller is placed in retainer, again retainer is set on inner ring, then outer ring sleeve is located on retainer, roller bearing assembling is complete, when needs oiling, open the protecting cover laying respectively on cycle surface and inner ring end face, expose oil hole, bearing oil is injected in oil storage passage by oil hole, it should be noted that herein, the quantity of the quantity of oil hole and oil storage passage is all at least two above and is corresponding one by one, the through hole that the side of bearing oil by oil storage passage Correspondent cy linder roller is provided with flows between outer ring and inner ring, the quantity of through hole is several, be equivalent to the effect of filter screen, bearing oil flows out after through hole, outer ring inner wall surface, retainer surface, cylindrical roller surface is distributed with bearing oil and all fully contacts with bearing oil with inner ring inner wall surface, guaranteed between cylindrical roller and outer ring inwall, the content of bearing oil between cylindrical roller and inner ring inwall, greatly reduce friction, friction level while having reduced roller bearing high speed rotating, improve and keep the lubrication effect of roller bearing, realize running up of roller bearing, extended the working life of roller bearing.
The utility model is further set to: described protecting cover one end and oil hole hinged and the other end and oil hole snapping.
By adopting technique scheme, when needs oiling, protecting cover is opened, because one end of protecting cover one end and oil hole is hinged, protecting cover rotates relative to the other end of rounded end, toward the interior injection bearing oil of oil hole, fill with after bearing oil, again protecting cover is snapped onto on oil hole and protecting cover covers oil hole completely, protecting cover snaps onto on mounting hole, corresponding mounting hole one side of protecting cover is provided with extension part, the outer wall of extension part and the laminating of the inwall of mounting hole, strengthen the sealing of oil storage passage, prevent that bearing oil from leaking or air enters oil storage passage oxidation bearing oil.
The utility model is further set to: described outer ring is provided with groove, and described groove is U-shaped.
By adopting technique scheme, on outer ring, be provided with the groove that is U-shaped, when roller bearing is installed, U-shaped groove can be used for fixing bearing, prevent rolling of bearing, greatly improved the working efficiency of operator when roller bearing is installed.
The utility model is further set to: described retainer is connected for conflicting with cylindrical roller, and the resistance surface of described retainer and cylindrical roller is provided with wearing layer.
By adopting technique scheme, on the surface of outer ring, inner ring and cylindrical roller, be evenly coated with oil lamella, oil lamella is to take bearing oil to make as raw material adopts titanium nitride physical vapor deposition surface coating technology, is prior art, has the effect of lubricated roller bearing; By the oil lamella making after bearing oil is processed, greatly reduce the friction factor between outer ring, inner ring and cylindrical roller, reduced frictional loss, and improved the rustless property of roller bearing.
The utility model is further set to: the surface uniform of described outer ring, inner ring and cylindrical roller is coated with oil lamella.
By adopting technique scheme, on the surface of outer ring, inner ring and cylindrical roller, be evenly coated with oil lamella, oil lamella is to take bearing oil to make as raw material adopts titanium nitride physical vapor deposition surface coating technology, is prior art, has the effect of lubricated roller bearing; By the oil lamella making after bearing oil is processed, greatly reduce the friction factor between outer ring, inner ring and cylindrical roller, reduced frictional loss, and improved the rustless property of roller bearing.
The utility model is further set to: described wearing layer surface is provided with noise reduction layer, and described noise reduction layer consists of bloop.
By adopting technique scheme, on the bi-side of wearing layer, be all fitted with the noise reduction layer being formed by bloop, when cylindrical roller and outer ring, inner ring friction occurs produce noise, noise is absorbed processing after bloop, reduces the noise that roller bearing sends when running up.
The utility model is further set to: described noise reduction layer is provided with heat dissipating layer, and described heat dissipating layer consists of radiating fin.
By adopting technique scheme, on noise reduction layer, heat dissipating layer is set, heat dissipating layer contacts with the cylindrical roller rolling laminating on retainer, heat dissipating layer consists of radiating fin, radiating fin cost is low, volume is little, successful, make heat dissipating layer contribute to the heat producing on cylindrical roller to leave fast, radiating fin is preferably conductive graphite sheet, also claim graphite heat radiation fin, it is a kind of heat conduction and heat radiation material, there is unique grain orientation, along both direction uniform heat conduction, laminar structuredly can adapt to well any surface, conductive graphite sheet can be laid in the inner wall surface of outer ring and the outer wall surface of inner ring, heat dissipating layer is left the heat producing on cylindrical roller fast, extend the working life of roller bearing.
The utlity model has following advantage: inner and inner ring inside is equipped with oil storage passage and oil hole that can oiling that can oil storage in outer ring, improve and keep the lubrication effect of roller bearing, greatly reduce friction, realize running up of roller bearing.
Accompanying drawing explanation
Fig. 1 is the structure sectional view of the utility model roller bearing;
Fig. 2 is the A portion enlarged diagram of the utility model roller bearing;
Fig. 3 is the structural representation of its oil storage passage of the utility model roller bearing.
In figure: 1, outer ring; 2, retainer; 3, cylindrical roller; 4, inner ring; 5, groove; 6, oil storage passage; 7, oil hole; 8, protecting cover; 9, extension part; 10, through hole.
Embodiment
Shown in Fig. 3, the roller bearing of the present embodiment, comprise outer ring 1, retainer 2, cylindrical roller 3 and inner ring 4, described outer ring 1 is provided with groove 5, described groove 5 is U-shaped, described cylindrical roller 3 is arranged on retainer 2, described cylindrical roller 3 and retainer 2 are arranged between outer ring 1 and inner ring 4, on described outer ring 1 and inner ring 4, be all axially provided with oil storage passage 6, on described oil storage passage 6, be connected with oil hole 7, described oil hole 7 is distributed on the end face of outer ring 1 and the end face of inner ring 4, described oil hole 7 is provided with the protecting cover 8 that can cover oil hole 7, described protecting cover 8 one end and oil hole 7 hinged and the other end and oil hole 7 snappings, on described oil storage passage 6, Correspondent cy linder roller 3 one sides are provided with some through holes 10 that wear for bearing oil.
During installation, cylindrical roller 3 is placed in retainer 2, again retainer 2 is set on inner ring 4, then outer ring 1 is set on retainer 2, roller bearing assembling is complete, when needs oiling, open the protecting cover 8(laying respectively on outer ring 1 end face and inner ring 4 end faces it should be noted that herein, the same side that protecting cover 8 can be positioned at roller bearing also can be positioned at the not homonymy of roller bearing), because one end of protecting cover 8 one end and oil hole 7 is hinged, protecting cover 8 rotates relative to the other end of rounded end, expose oil hole 7, toward the interior injection bearing oil of oil hole 7, bearing oil is injected in oil storage passage 6 and (be it should be noted that herein by oil hole 7, the quantity of the quantity of oil hole 7 and oil storage passage 6 is all at least two above and is corresponding one by one), fill with after bearing oil, again protecting cover 8 is snapped onto on oil hole 7 and protecting cover 8 covers oil hole 7 completely, protecting cover 8 snaps onto on mounting hole, corresponding mounting hole one side of protecting cover 8 is provided with extension part 9, the outer wall of extension part 9 and the laminating of the inwall of mounting hole, strengthen the sealing of oil storage passage 6, prevent that bearing oil from leaking or air enters oil storage passage 6 oxidation bearing oils, the through hole 10 being provided with on the side of bearing oil in oil storage passage 6 by oil storage passage 6 Correspondent cy linder rollers 3 flows between outer ring 1 and inner ring 4, the quantity of through hole 10 is several, be equivalent to the effect of filter screen, bearing oil flows out after through hole 10, outer ring 1 inner wall surface, retainer 2 surfaces, cylindrical roller 3 surfaces are distributed with bearing oil and all fully contact with bearing oil with inner ring 4 inner wall surface, guaranteed between cylindrical roller 3 and outer ring 1 inwall, the content of bearing oil between cylindrical roller 3 and inner ring 4 inwalls, greatly reduce friction, friction level while having reduced roller bearing high speed rotating, improve and keep the lubrication effect of roller bearing, realize running up of roller bearing, extended the working life of roller bearing, complete after the assembling and oiling of roller bearing, when installing and using roller bearing, U-shaped groove 5 can be used for fixing bearing, prevent rolling of bearing, greatly improved the working efficiency of operator when using roller bearing.
In addition, the surface uniform of described outer ring 1, inner ring 4 and cylindrical roller 3 is coated with oil lamella, described retainer 2 is connected for conflicting with cylindrical roller 3, described retainer 2 is provided with wearing layer with the resistance surface of cylindrical roller 3, described wearing layer surface is provided with noise reduction layer, described noise reduction layer consists of bloop, and described noise reduction layer is provided with heat dissipating layer, and described heat dissipating layer consists of radiating fin.
The above is only preferred implementation of the present utility model, and protection domain of the present utility model is also not only confined to above-described embodiment, and all technological schemes belonging under the utility model thinking all belong to protection domain of the present utility model.It should be pointed out that for those skilled in the art, in the some improvements and modifications that do not depart under the utility model principle prerequisite, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (7)
1. a roller bearing, comprise outer ring, retainer, cylindrical roller and inner ring, described cylindrical roller is arranged on retainer, described cylindrical roller and retainer are arranged between outer ring and inner ring, it is characterized in that: on described outer ring and inner ring, be all axially provided with oil storage passage, on described oil storage passage, be connected with oil hole, described oil hole is distributed on the end face of outer ring and the end face of inner ring, described oil hole is provided with the protecting cover that can cover oil hole, and on described oil storage passage, Correspondent cy linder roller one side is provided with some through holes that wear for bearing oil.
2. roller bearing according to claim 1, is characterized in that: described protecting cover one end and oil hole hinged and the other end and oil hole snapping.
3. roller bearing according to claim 1 and 2, is characterized in that: described outer ring is provided with groove, and described groove is U-shaped.
4. roller bearing according to claim 3, is characterized in that: described retainer is connected for conflicting with cylindrical roller, and the resistance surface of described retainer and cylindrical roller is provided with wearing layer.
5. roller bearing according to claim 1, is characterized in that: the surface uniform of described outer ring, inner ring and cylindrical roller is coated with oil lamella.
6. roller bearing according to claim 4, is characterized in that: described wearing layer surface is provided with noise reduction layer, and described noise reduction layer consists of bloop.
7. roller bearing according to claim 6, is characterized in that: described noise reduction layer is provided with heat dissipating layer, and described heat dissipating layer consists of radiating fin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420212451.7U CN203796749U (en) | 2014-04-25 | 2014-04-25 | Cylindrical roller bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420212451.7U CN203796749U (en) | 2014-04-25 | 2014-04-25 | Cylindrical roller bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203796749U true CN203796749U (en) | 2014-08-27 |
Family
ID=51378962
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420212451.7U Expired - Fee Related CN203796749U (en) | 2014-04-25 | 2014-04-25 | Cylindrical roller bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203796749U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106247139A (en) * | 2016-08-24 | 2016-12-21 | 常州市群星印刷有限公司 | Limit sliding chutes cover plate printing machine's bearing |
| CN106247138A (en) * | 2016-08-24 | 2016-12-21 | 常州市群星印刷有限公司 | The printer Oiling bearing of cover-plate type high sealing |
-
2014
- 2014-04-25 CN CN201420212451.7U patent/CN203796749U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106247139A (en) * | 2016-08-24 | 2016-12-21 | 常州市群星印刷有限公司 | Limit sliding chutes cover plate printing machine's bearing |
| CN106247138A (en) * | 2016-08-24 | 2016-12-21 | 常州市群星印刷有限公司 | The printer Oiling bearing of cover-plate type high sealing |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140827 Termination date: 20160425 |