CN206754146U - A kind of deep groove ball bearing - Google Patents
A kind of deep groove ball bearing Download PDFInfo
- Publication number
- CN206754146U CN206754146U CN201720344204.6U CN201720344204U CN206754146U CN 206754146 U CN206754146 U CN 206754146U CN 201720344204 U CN201720344204 U CN 201720344204U CN 206754146 U CN206754146 U CN 206754146U
- Authority
- CN
- China
- Prior art keywords
- groove
- closure
- raceway groove
- outer ring
- ball
- 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
- 238000007789 sealing Methods 0.000 claims abstract description 21
- 229910000831 Steel Inorganic materials 0.000 claims description 16
- 239000010959 steel Substances 0.000 claims description 16
- 239000012528 membrane Substances 0.000 claims description 5
- 238000007689 inspection Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 238000000151 deposition Methods 0.000 claims description 2
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 239000003292 glue Substances 0.000 claims 1
- 230000008901 benefit Effects 0.000 abstract description 3
- 239000004519 grease Substances 0.000 description 17
- 230000001050 lubricating effect Effects 0.000 description 17
- 238000005096 rolling process Methods 0.000 description 5
- 239000006185 dispersion Substances 0.000 description 4
- 230000007423 decrease Effects 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000005461 lubrication Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 239000013589 supplement Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 150000002632 lipids Chemical class 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
Landscapes
- Rolling Contact Bearings (AREA)
Abstract
The utility model discloses a kind of deep groove ball bearing, a kind of deep groove ball bearing includes the ball between outer ring, inner ring, setting outer ring and the inner ring of bearing and the retainer for along the circumferential direction separating ball, it is characterized in that：It is circumferentially provided with the first seal groove on the inwall of the outer ring, first seal groove includes the bent sealing groove that sunken inside is formed vertically, is embedded with closure between the inner ring and outer ring, is abutted with the first seal groove and bent sealing groove while the closure；The outer ring is provided with screw thread on the inwall between the first seal groove and axial end, the endoporus internal thread of the outer ring, which is connected with, to abut to the retaining ring of closure end face, has the advantages of perfect heat-dissipating, lock fat ability is strong.
Description
Technical field
It the utility model is related to a kind of rotatable support field, more particularly to a kind of deep groove ball bearing.
Background technology
Deep groove ball bearing is most representational rolling bearing, and such bearing friction coefficient is small, and limit speed is high, structure letter
Single, manufacturing cost is low, easily reaches the higher accuracy of manufacture, size range and form change are various, extensive as gearbox bearing
Use.
Deep groove ball bearing is made up of outer ring, inner ring, steel ball, steel retainer and closure mostly, is found under study for action, although
We by this class bearing rolling bearing, actually due to bearing working face in the rolling bearing course of work（That is steel ball and raceway groove
Contact surface size）Geometry and crudy difference, steel ball be not PURE ROLLING in channels, moment can produce
Relative to slide, this slides both easy frictional heats relatively, also increases turning moment and increase power consumption.
When bearing is applied to the occasion of high-speed rotation, substantial amounts of frictional heat can be produced between bearing, it is big producing
While measuring frictional heat, lubricating grease can accelerate to volatilize in bearing；When lubricating grease deficiency, bearing can aggravate to be lost；And conventional
Closure dense block lipid can on can be insufficient so that bearing tear open lid fill out fat cycle it is shorter, often filling out fat
Meanwhile the sealing property of closure can further decline again.
Utility model content
The purpose of this utility model is to provide a kind of deep groove ball bearing, which solves that to fill out the fat cycle short, often fills out fat and easily leads
The problem of fine and close lidstock hydraulic performance decline.
Above-mentioned technical purpose of the present utility model technical scheme is that：
A kind of deep groove ball bearing, including the outer ring of bearing, inner ring, ball between outer ring and inner ring is set and by ball edge
The retainer that circumferencial direction separates, the center of the inner ring are recessed interior raceway groove, and the center of the outer ring is recessed outer fissure
Road, both ends of the ball along bearing radial direction are respectively engaged with interior raceway groove and outer raceway groove；Circumferentially set on the inwall of the outer ring
The first seal groove is equipped with, first seal groove includes the bent sealing groove that sunken inside is formed vertically, between the inner ring and outer ring
It is embedded with closure, is abutted with the first seal groove and bent sealing groove while the closure；Set on the outer wall of the inner ring
There is the second seal groove, the inner circle gap of the closure is connected in the second seal groove；It is threaded with the closure more
Individual envelope button, the end set of envelope button towards the ball have a rubber membrane being fixedly connected with closure, the outer wall of the inner ring to
Interior raceway groove is obliquely installed and connected with interior raceway groove；The inwall of the outer ring is obliquely installed to outer raceway groove and connected with outer raceway groove.
Using such scheme, after in ball and inner ring and outer ring, friction generates heat, the lubricating grease on contact surface can add
Speed liquefaction or volatilization；And volatilize or liquefy it is excessive can only be from the gap between the gap or inner ring and closure of outer ring and closure
Overflow；And needed between outer ring and closure by between closure and axial, the bent sealing groove and the first seal groove of outer ring
Gap is abutted, the structure of circuitous reflux can be formed between these gaps；And pass through the second seal groove between inner ring and closure
Roundabout stop, also strengthens sealing, and both combine to form fabulous lock fat effect, so as to effectively extend the service life of bearing
And extend the cycle for filling out fat maintenance；When needing to fill out fat, end socket is screwed out from closure, then with syringe or similar
Instrument pierces through rubber membrane and internally injects lubricating grease, and the lubricating grease of injection can fall on the wall of inner ring and outer ring, due to wall
It is obliquely installed, in the state of bearing working, micro-vibration can be produced, lubricating grease can gradually flow into interior raceway groove along inclined wall
Or in outer raceway groove, so as to keep ball and the enough lubrication of inner ring, the working face of outer ring.
More preferably：
Using such scheme,
More preferably：The outer ring is provided with screw thread on the inwall between the first seal groove and axial end, institute
The endoporus internal thread for stating outer ring is connected with abutting to the retaining ring of closure end face.
Using such scheme, the sealing effectiveness of closure is strengthened, while also allows for carrying out clamping and dismounting to closure.
More preferably：The inwall of the closure is recessed compensating tank, is provided with second seal groove outer
The resistance envelope portion convexed into, the resistance envelope portion coordinate with compensating tank gap.
Using such scheme, the combination of group sealing and the second seal groove strengthens, the roundabout stop of the second seal groove, so as to
Add sealing.
More preferably：The closure includes heat-conducting plate and rubber standoff, and the heat-conducting plate is embedded in rubber standoff
Towards the side of ball；The envelope button is threadedly coupled through rubber standoff and with heat-conducting plate；The envelope button is made with Heat Conduction Material.
Using such scheme, in bearing installation and when use, outer ring remains stationary as, and inner ring produces relative turn
It is dynamic；Outer ring abuts with ball, and inner ring abuts with ball, and ball contacts with retainer；And three is typically that metal material is led
Hot property is preferable, in addition, heat-conducting plate abuts with outer ring；Pass through heat while frictional heat is produced between ball and inner ring or outer ring
Conduction is to heat-conducting plate, and heat-conducting plate is connected with envelope button, is outwardly radiated finally by envelope button, so as to add while ensureing and sealing
The strong heat dispersion of bearing；After radiating, the volatilization of lubricating grease and liquefaction leakage situation can also be alleviated；In addition, heat-conducting plate and
The combination of envelope button can play a part of support to rubber standoff so that rubber standoff still can have after high-temperature heating softens
Good support sealing effectiveness.
More preferably：The bottom land of the compensating tank, which is provided with, is communicated to heat-conducting plate and the contact surface of rubber quality inspection
Return fat passage.
Using such scheme, increase return flow line, simultaneously because the gap between heat-conducting plate and rubber standoff is smaller, be not easy
It is in the presence of excessive.
More preferably：The envelope button is T-shaped along the section for crossing envelope button axis, and seals the axial surface and rubber branch of button
Frame abuts.
Using such scheme, increasing heat radiation area, and envelope button is prevented to be separated with rubber standoff.
More preferably：The interior raceway groove radius of curvature is 0.529 times of steel ball size, and outer raceway groove radius of curvature is steel
0.521 times of bulb diameter.
Using such scheme, interior raceway groove radius of curvature increases than the interior raceway groove radius of curvature of standard deep groove ball bearing
2.8%, bearing outer raceway groove radius of curvature reduces 0.8% than the outer raceway groove radius of curvature of standard deep groove ball bearing, reduces steel ball
Axial float and sliding friction probability in outer raceway groove, reduce the arc length of interior raceway groove envelope steel ball, improve interior raceway groove with
The radiating condition in steel ball working face, improve the heat dispersion of bearing working face.
More preferably：The both sides of the interior raceway groove and outer raceway groove, which are respectively provided with, deposits fat groove, described to deposit fat groove and interior raceway groove
Or outer raceway groove is connected.
Using such scheme, can prestore partial lubrication fat in interior raceway groove and outer raceway groove, lubricated surface lubricating grease by
Supplement can be instantly obtained after heat loss；Lubricating grease the connecing in ball and inner ring or outer ring by wall guiding is also avoided simultaneously
Directly accumulated in contacting surface.
More preferably：The inner surface of described closure is the smooth surface of fine grinding.
Using such scheme, because of the heat of friction generation when can reduce bearing working, temperature rise when bearing runs at high speed is reduced
Value.
In summary, the utility model has the advantages that：
1st, by the heat conduction and heat radiation structure added on closure, the thermal diffusivity of bearing is strengthened while ensureing and sealing
Energy；The structural strength of closure is also provide enhanced simultaneously, is kept from heat and is softened and loosen；
2nd, multiple circuitous channel and return flow line, and locking mechanism, enforced lock fat ability, it is excessive to alleviate lubricating grease volatilization
Situation.
Brief description of the drawings
Fig. 1 is the structural representation of the bearing of embodiment 1.
In figure, 1, outer ring；2nd, inner ring；3rd, ball；4th, retainer；5th, closure；6th, fat groove is deposited；7th, retaining ring；11st, outer fissure
Road；12nd, the first seal groove；13rd, bent sealing groove；21st, interior raceway groove；22nd, the second seal groove；221st, envelope portion is hindered；51st, rubber standoff；
511st, compensating tank；512nd, fat passage is returned；52nd, heat-conducting plate；53rd, button is sealed；54th, rubber membrane.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
This specific embodiment is only that it is not to limitation of the present utility model, ability to explanation of the present utility model
Field technique personnel can make the modification of no creative contribution to the present embodiment as needed after this specification is read, but
As long as all protected in the scope of protection of the utility model by Patent Law.
Embodiment 1：One kind radiating bearing, as shown in figure 1, outer ring 1, inner ring 2, ball 3, the and of retainer 4 including bearing
Closure 5.
The first seal groove 12 is circumferentially provided with the inwall of outer ring 1, the second seal groove 22 is provided with the outer wall of inner ring 2,
Closure 5 is embedded between inner ring 2 and outer ring 1, and closure is symmetricly set on both sides of the ball 3 along bearing axial direction simultaneously.It is close
The outer ring of capping 5 and inner ring are respectively engaged with the first seal groove 12 and the second seal groove 22, and closure 5 and second seals
Gap is left between groove 22.First seal groove 12 includes the bent sealing groove 13 that sunken inside is formed vertically, with the while closure 5
One seal groove 12 and bent sealing groove 13 abut；So that closure 5 and axial, the bent sealing groove 13 and first of outer ring 1 seal
Roundabout abutting gap is formed between groove 12.Outer ring 1 is provided with spiral shell on the inwall between the first seal groove 12 and axial end
Line, the endoporus internal thread of outer ring 1, which is connected with, to abut to the retaining ring of the end face of closure 5（7）；Retaining ring（7）Further add
Tightly.
Evagination is provided with second seal groove 22 and forms resistance envelope portion 221, meanwhile, the inner surface of closure 5 is recessed benefit
Groove 511 is repaid, resistance envelope portion 221 coordinates with the gap of compensating tank 511；The bottom land of compensating tank 511, which is provided with, is communicated to heat-conducting plate 52 and rubber
Fat passage 512 is returned on the contact surface of colloid inspection.Roundabout gap is formed between inner ring 2 and closure 5 again；And return fat passage
The lubricating grease of 512 pairs of volatilizations carries out backflow collection.
Multiple envelope buttons 53 are threaded with closure 5, envelope button 53 is made with Heat Conduction Material, seals button 53 towards ball 3
End set has the rubber membrane 54 being fixedly connected with closure 5.
Closure 5 includes heat-conducting plate 52 and rubber standoff 51, and heat-conducting plate 52 is embedded in rubber standoff 51 towards ball 3
Side；Envelope button 53 is threadedly coupled through rubber standoff 51 and with heat-conducting plate 52.Heat-conducting plate 52 and first seal groove 12 is vertically
Inwall abuts.
When needing to fill out fat, end socket is screwed out from closure 5, then pierces through rubber with syringe or similar instrument
Film 54 internally injects lubricating grease.
In bearing installation and when use, outer ring 1 remains stationary as, and inner ring 2 produces relative rotation；Outer ring 1 and rolling
Pearl 3 abuts, and inner ring 2 abuts with ball 3, and ball 3 contacts with retainer 4；And three is typically metal material heat conductivility
Preferably, in addition, heat-conducting plate 52 abuts with outer ring 1；Pass through heat while frictional heat is produced between ball 3 and inner ring 2 or outer ring 1
Conduction is to heat-conducting plate 52, and heat-conducting plate 52 is connected with envelope button 53, is outwardly radiated finally by envelope button 53, so as to ensure to seal
While strengthen the heat dispersion of bearing..
The center of inner ring 2 is recessed interior raceway groove 21, and the center of outer ring 1 is recessed to form outer raceway groove 11, and ball 3 is along axle
The both ends for holding radial direction are respectively engaged with interior raceway groove 21 and outer raceway groove 11；The clamping of retainer 4 is in the both sides of ball 3, and by ball 3
Along the circumferential direction even partition.The radius of curvature of interior raceway groove 21 is 0.529 times of steel ball size, and the radius of curvature of outer raceway groove 11 is steel ball
0.521 times of diameter；The radius of curvature of interior raceway groove 21 increases 2.8% than the radius of curvature of interior raceway groove 21 of standard deep groove ball bearing, axle
The radius of curvature of outer raceway groove 11 that the radius of curvature of outer raceway groove 11 is held than standard deep groove ball bearing reduces 0.8%, reduces steel ball outside
Axial float and sliding friction probability in raceway groove 11, reduce the arc length of the envelope steel ball of interior raceway groove 21, improve interior raceway groove 21
With the radiating condition in steel ball working face, the heat dispersion of bearing working face is improved.
The outer wall of inner ring 2 is obliquely installed to interior raceway groove 21 and connected with interior raceway groove 21；The inwall of outer ring 1 inclines to outer raceway groove 11
Tiltedly set and connected with outer raceway groove 11；The lubricating grease of injection can fall on the wall of inner ring 2 and outer ring 1, be set because wall tilts
Put, in the state of bearing working, micro-vibration can be produced, lubricating grease can gradually flow into along inclined wall and deposit fat groove 6；Deposit fat
Groove 6 is arranged on the both sides of interior raceway groove 21 or outer raceway groove 11 and is connected with interior raceway groove 21 or outer raceway groove 11；Depositing can be pre- on fat groove 6
Nonresident portion lubricating grease, supplement can be instantly obtained after by heat loss in the lubricating grease of friction surface；Also avoid by wall simultaneously
The lubricating grease of guiding is directly accumulated on ball 3 and inner ring 2 or the contact surface of outer ring 1.
Claims (9)
1. a kind of deep groove ball bearing, it is characterized in that：Outer ring (1), inner ring (2) including bearing, outer ring (1) and inner ring (2) are set
Between ball (3) and the retainer (4) that along the circumferential direction separates ball (3), in the center of the inner ring (2) is recessed
Raceway groove (21), the center of the outer ring (1) are recessed outer raceway groove (11), both ends difference of the ball (3) along bearing radial direction
It is connected in interior raceway groove (21) and outer raceway groove (11)；It is characterized in that：The first sealing is circumferentially provided with the inwall of the outer ring (1)
Groove (12), first seal groove (12) include the bent sealing groove (13) that sunken inside is formed vertically, the inner ring (2) and outer ring
(1) it is embedded with closure (5) between, is abutted with the first seal groove (12) and bent sealing groove (13) while closure (5)；
The second seal groove (22) is provided with the outer wall of the inner ring (2), the inner circle gap of the closure (5) is connected to the second sealing
In groove (22)；Multiple envelope buttons (53), end of the envelope button (53) towards ball (3) are threaded with the closure (5)
The rubber membrane (54) being fixedly connected with closure (5) is provided with, the outer wall of the inner ring (2) is obliquely installed simultaneously to interior raceway groove (21)
Connected with interior raceway groove (21)；The inwall of the outer ring (1) is obliquely installed to outer raceway groove (11) and connected with outer raceway groove (11).
2. a kind of deep groove ball bearing according to claim 1, it is characterized in that：The outer ring (1) is in the first seal groove (12)
Screw thread is provided with inwall between axial end, the endoporus internal thread of the outer ring (1) is connected with abutting to closure (5)
The retaining ring of end face（7）.
3. a kind of deep groove ball bearing according to claim 2, it is characterized in that：The inwall of the closure (5) is recessed
Compensating tank (511), is provided with the resistance envelope portion (221) of evagination formation in second seal groove (22), resistance envelope portion (221) with
Compensating tank (511) gap coordinates.
4. a kind of deep groove ball bearing according to claim 2, it is characterized in that：The closure 5 includes heat-conducting plate 52 and rubber
Glue support 51, the heat-conducting plate 52 are embedded in rubber standoff 51 towards the side of ball 3；The envelope button 53 runs through rubber standoff
51 and it is threadedly coupled with heat-conducting plate 52；The envelope button 53 is made with Heat Conduction Material.
5. a kind of deep groove ball bearing according to claim 3, it is characterized in that：The bottom land of the compensating tank (511) is provided with
It is communicated to time fat passage (512) of the heat-conducting plate (52) with the contact surface of rubber quality inspection.
6. a kind of deep groove ball bearing according to claim 3, it is characterized in that：Envelope button (53) axis is crossed on envelope button (53) edge
Section it is T-shaped, and seal button (53) axial surface abutted with rubber standoff (51).
7. a kind of deep groove ball bearing according to claim 1, it is characterized in that：Interior raceway groove (21) radius of curvature is steel ball
0.529 times of diameter, outer raceway groove (11) radius of curvature are 0.521 times of steel ball size.
8. a kind of deep groove ball bearing according to claim 1, it is characterized in that：The interior raceway groove (21) and outer raceway groove (11)
Both sides, which are respectively provided with, deposits fat groove (6), and the fat groove (6) of depositing is connected with interior raceway groove (21) or outer raceway groove (11).
9. a kind of deep groove ball bearing according to claim 1, it is characterized in that：The inner surface of described closure (5) is essence
The smooth surface of mill.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720344204.6U CN206754146U (en) | 2017-04-01 | 2017-04-01 | A kind of deep groove ball bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720344204.6U CN206754146U (en) | 2017-04-01 | 2017-04-01 | A kind of deep groove ball bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206754146U true CN206754146U (en) | 2017-12-15 |
Family
ID=60611584
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720344204.6U Expired - Fee Related CN206754146U (en) | 2017-04-01 | 2017-04-01 | A kind of deep groove ball bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206754146U (en) |
-
2017
- 2017-04-01 CN CN201720344204.6U patent/CN206754146U/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: 20171215 Termination date: 20190401 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |