CN206478114U - A kind of double containment self-aligning roller bearing of low noise - Google Patents
A kind of double containment self-aligning roller bearing of low noise Download PDFInfo
- Publication number
- CN206478114U CN206478114U CN201720183844.3U CN201720183844U CN206478114U CN 206478114 U CN206478114 U CN 206478114U CN 201720183844 U CN201720183844 U CN 201720183844U CN 206478114 U CN206478114 U CN 206478114U
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- China
- Prior art keywords
- roller
- ring
- low noise
- outer ring
- inner ring
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- 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.)
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- Rolling Contact Bearings (AREA)
Abstract
A kind of double containment self-aligning roller bearing for the low noise for being related to roller bearing field, include inner ring, outer ring, retainer, roller and sealing ring, described outer ring width is more than the width of inner ring, and the outer face of outer ring and maximum angle between the inner ring outer face of its homonymy are≤3.5 degree；Depression is equipped with the middle part of the inwall of the pocket hole correspondence roller two ends end face of described retainer, and amphicoelous center correspondence is communicated with lubrication channel, the upper surface in the corresponding pocket hole of the lubrication channel is parallel；Described bearing, which is not only able to be prevented effectively from the phenomenon that contact stress is irregular between roller and raceway, to be occurred, but also is capable of the lubrication of the guarantee roller surface of continuous and effective.
Description
【Technical field】
The utility model is related to roller bearing field, more particularly, to a kind of double containment self-aligning roller bearing of low noise.
【Background technology】
Known, self-aligning roller bearing is that drum is assembled between the inner ring for having two raceways and the outer ring for having spherical raceway
The bearing of shape roller, because it has good aligning performance and high-mechanic characteristic, therefore self-aligning roller bearing is required at some
Bearing can bear to be widely applied in the place of larger single radial load and relatively small axial load；However, long-term
Practical application in find, because traditional self-aligning roller bearing there are the small deficiency of aligning angle, therefore in maximum aligning
Its roller easily protrudes bearing outer ring end face during angle, so as to cause the contact stress between roller and raceway uneven, influences bearing
Service life；In addition, self-aligning roller bearing is in normal work, the amount of grease of its roller surface can be kept the edge of frame
Scrape and peel off, so as to cause the consequence to roller progress effectively lubricating that can not be continually and steadily, and roller surface lubrication once occur
Insufficient situation, retainer just easily deforms or fracture phenomena because frictional force is excessive, so as to cause bearing because of roller
Premature failure and scrap in advance.
【The content of the invention】
In order to overcome the shortcomings of in background technology, the utility model discloses a kind of double containment aligning roller axle of low noise
Hold, described bearing, which is not only able to be prevented effectively from the phenomenon that contact stress is irregular between roller and raceway, to be occurred, but also can be held
The continuous effective lubrication for ensureing roller surface.
For achieving the above object, the utility model is adopted the following technical scheme that：
A kind of double containment self-aligning roller bearing of low noise, described bearing comprising inner ring, outer ring, retainer, roller and
Sealing ring；It is provided with the outside of retainer and biserial roller, and correspondence biserial roller and is respectively mounted between described inner ring and outer ring
There is sealing ring；Described outer ring width is more than the width of inner ring, and between the outer face of outer ring and the inner ring outer face of its homonymy
Maximum angle is≤3.5 °；Insertion pocket hole is equipped with the middle part of the inwall of the pocket hole correspondence roller two ends end face of described retainer
The depression of top and bottom, and amphicoelous center correspondence is communicated with lubrication channel, the upper surface in the corresponding pocket hole of the lubrication channel
It is parallel.
Further, described internal diameter of the seal ring and external diameter clamping corresponding with inner ring and outer ring respectively.
Further, described internal diameter of the seal ring cross sectional shape is the shape of a hoof, its external diameter card corresponding with the sealed groove of outer ring
Connect, its internal diameter is contacted with the external diameter of inner ring with the less magnitude of interference.
Further, connected with lubrication channel recessed is equipped with the middle part of the both sides inwall of described pocket hole correspondence roller end face
Fall into.
Further, described outer ring raceway is set to sphere.
Due to using technical scheme as described above, the utility model has the advantages that：
The double containment self-aligning roller bearing of low noise described in the utility model is simple in construction, it is easy to assemble, and is easy to use；
Described bearing reaches the purpose of corresponding increase aligning angle by increasing the width of outer ring, and it is not only able to increase and radially carried
Lotus, but also the problem of roller protrudes bearing outer ring end face in most large aligning angle can be prevented, so as to avoid roller and raceway
Between the uneven phenomenon of contact stress occur；Described bearing employs the lubrication that correspondence roller end face is set on retainer
The structure of passage, it can ensure that roller has lubricant grease all the time between its end face and retainer in operation, so that effectively
Reduce frictional force, it is ensured that contact stress is uniform between roller and raceway.In addition, the external diameter of internal diameter of the seal ring and inner ring is adopted
Contacted with shape of a hoof slight interference amount, it is ensured that after the bore wear of sealing ring, contact is compensated by its elastic deformation energy automatically
Formula sealing effectiveness, has been finally reached the purpose of corresponding raising bearing service life.
【Brief description of the drawings】
Fig. 1 is schematic diagram of the present utility model；
Fig. 2 is the pocket hole schematic diagram of the retainer.
In figure：1st, inner ring；2nd, outer ring；3rd, retainer；4th, roller；5th, sealing ring；6th, pocket hole；7th, it is recessed；8th, lubrication channel.
【Embodiment】
The present invention can be explained in more detail by the following examples, open the purpose of this utility model is intended to protection originally
All changes and improvements in the range of utility model, the utility model is not limited to the following examples：
With reference to accompanying drawing 1, the double containment self-aligning roller bearing of described low noise includes inner ring 1, outer ring 2, retainer 3, rolling
Son 4 and sealing ring 5；Retainer 3 and biserial roller 4 are installed between described inner ring 1 and outer ring 2, and correspond to biserial roller 4
Outside is separately installed with sealing ring 5, i.e., ensure that biserial roller 4 is rolled on correct raceway by retainer 3, while utilizing two
Sealing ring 5 makes inner ring 1 and outer ring 2 constitute a sealing space；As needed, the internal diameter of sealing ring 5 and external diameter can be designed
Into respectively with inner ring 1 and the attachment structure of the corresponding clamping in outer ring 2, consequently facilitating assembly and disassembly；It is either close using the shape of a hoof
Seal 5, is connected together the external diameter of horseshoe shape sealing ring 5 is corresponding with outer ring 2, by the internal diameter of horseshoe shape sealing ring 5 and inner ring 1
Correspondence is contacted with slight interference amount；For increase aligning angle, it is to avoid occur in most large aligning angle between roller 4 and raceway
The uneven phenomenon of contact stress occurs, and the width of outer ring 2 can be set greater than to the width of inner ring 1, it requires outer ring 2
Outer face and maximum angle between the outer face of inner ring 1 of its homonymy are≤3.5 °, due to the tune of traditional self-aligning roller bearing
Heart angle is no more than 2.5 °, therefore described bearing is after the increase width of outer ring 2, between the outer face that can make inner ring 1 and outer ring 2
Maximum relative inclination be 3.5 ° so that ensure self-aligning roller bearing run well on the premise of, reached effective increase
The purpose of aligning angle.
The pocket hole 6 of the retainer 3 used with reference to accompanying drawing 2, the bearing is equal in the middle part of the inwall of the correspondence two ends end face of roller 4
Depression 7 provided with the top and bottom of insertion pocket hole 6, and the lubrication channel 8 that is communicated with of position of center line of two depressions 7, the lubrication are led to
Road 8 caves in and parallel with the upper surface in the pocket hole 6 of retainer 3, i.e., when roller 4 is rolled in pocket hole 6, the profit on the outer surface of roller 4
Lubricating oil fat scraped by the edge of pocket hole 6 peel off after can be flowed into along depression 7 in lubrication channels 8, and be finally reached inside pocket hole 6
Lubrication channel 8 purpose of sufficient lubrication is carried out to the cylinder of roller 4；, can further to improve the lubricating function to roller 4
The depression 7 of connection corresponding with lubrication channel 8, i.e. pocket are also set out respectively in the middle part of the both sides inwall of the correspondence cylinder of roller 4 of pocket hole 6
The cylinder of the correspondence roller 4 of hole 6 and the inwall of two ends end face are both provided with the depression 7 of the top and bottom of insertion pocket hole 6, and this is recessed everywhere
7 position of center line is connected by lubrication channel 8, therefore when roller 4 is rolled, is applied on the cylinder and two ends end face of roller 4
The lubricant grease of cloth can be flowed into lubrication channel 8 by 7 openings that are recessed accordingly, so as to reach to roller 4
The purpose that outer surface is lubricated comprehensively；As needed, the outer wall of outer ring 1 of the bearing can be set to spherical structure, so that
Certain aligning requirement can be just met using the spherical structure when bearing is attached into corresponding bearing block.
The non-detailed portion of the utility model is prior art, therefore the utility model is not described in detail.
Claims (5)
1. a kind of double containment self-aligning roller bearing of low noise, described bearing comprising inner ring (1), outer ring (2), retainer (3),
Roller (4) and sealing ring (5), are provided with retainer (3) and biserial roller (4) between described inner ring (1) and outer ring (2), and
Sealing ring (5) is mounted on the outside of correspondence biserial roller (4), it is characterized in that：The width of the outer ring (2) is more than inner ring (1)
Width, and the outer face of outer ring (2) and maximum angle between inner ring (1) outer face of its homonymy are≤3.5 degree；It is described
Retainer (3) pocket hole (6) correspondence roller (4) two ends end face inwall in the middle part of be equipped with the recessed of insertion pocket hole (6) top and bottom
Fall into (7), and two depression (7) centers correspondence be communicated with lubrication channel (8), the corresponding pocket hole (6) of the lubrication channel (8) it is upper
Surface is parallel.
2. the double containment self-aligning roller bearing of low noise according to claim 1, it is characterized in that：Described sealing ring (5)
The clamping corresponding with Internal and external cycle respectively of the termination inside and outside two ends.
3. the double containment self-aligning roller bearing of low noise according to claim 1, it is characterized in that：Described sealing ring (5)
For horseshoe shape sealing ring, the clamping corresponding with outer ring (2) of its outer end, its inner close contact corresponding with inner ring (1).
4. the double containment self-aligning roller bearing of low noise according to claim 1, it is characterized in that：Described pocket hole (6) is right
Answer and be equipped with the depression (7) connected with lubrication channel (8) in the middle part of the both sides inwall of roller (4) cylinder.
5. the double containment self-aligning roller bearing of low noise according to claim 1, it is characterized in that：Described outer ring (2) is outside
Wall is set to sphere.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720183844.3U CN206478114U (en) | 2017-02-28 | 2017-02-28 | A kind of double containment self-aligning roller bearing of low noise |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720183844.3U CN206478114U (en) | 2017-02-28 | 2017-02-28 | A kind of double containment self-aligning roller bearing of low noise |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206478114U true CN206478114U (en) | 2017-09-08 |
Family
ID=59746754
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720183844.3U Expired - Fee Related CN206478114U (en) | 2017-02-28 | 2017-02-28 | A kind of double containment self-aligning roller bearing of low noise |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206478114U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108425943A (en) * | 2018-03-29 | 2018-08-21 | 中国十七冶集团有限公司 | A kind of self-aligning roller bearing internal modifications structure |
| CN108561428A (en) * | 2018-07-05 | 2018-09-21 | 西北轴承有限公司 | self-aligning roller bearing with sealing |
-
2017
- 2017-02-28 CN CN201720183844.3U patent/CN206478114U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108425943A (en) * | 2018-03-29 | 2018-08-21 | 中国十七冶集团有限公司 | A kind of self-aligning roller bearing internal modifications structure |
| CN108561428A (en) * | 2018-07-05 | 2018-09-21 | 西北轴承有限公司 | self-aligning roller bearing with sealing |
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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: 20170908 Termination date: 20200228 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |