CN207975147U - Dust-proof high-speed bearing suitable for bearing outer ring rotation - Google Patents
Dust-proof high-speed bearing suitable for bearing outer ring rotation Download PDFInfo
- Publication number
- CN207975147U CN207975147U CN201820315722.XU CN201820315722U CN207975147U CN 207975147 U CN207975147 U CN 207975147U CN 201820315722 U CN201820315722 U CN 201820315722U CN 207975147 U CN207975147 U CN 207975147U
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- China
- Prior art keywords
- bearing
- main body
- dust
- outer ring
- dustproof cover
- 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 24
- ZZUFCTLCJUWOSV-UHFFFAOYSA-N furosemide Chemical compound C1=C(Cl)C(S(=O)(=O)N)=CC(C(O)=O)=C1NCC1=CC=CO1 ZZUFCTLCJUWOSV-UHFFFAOYSA-N 0.000 claims abstract description 4
- 230000002093 peripheral effect Effects 0.000 claims abstract description 4
- 230000001154 acute effect Effects 0.000 claims description 3
- 238000009423 ventilation Methods 0.000 claims description 3
- 239000000428 dust Substances 0.000 abstract description 20
- 230000000694 effects Effects 0.000 abstract description 9
- 238000005516 engineering process Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000009347 mechanical transmission Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Landscapes
- Rolling Contact Bearings (AREA)
- Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
Abstract
The utility model announces a kind of dust-proof high-speed bearing suitable for bearing outer ring rotation, belongs to technical field of mechanical design.Including, bearing inner race, bearing outer ring, ball, retainer and Fang Gai；Dustproof cover includes discoid main body, and main body inner end is provided with the centre bore coordinated with bearing inner race；Main body outer circumference surface is connected with a circle sealing ring；Sealing ring is installed in card slot；The lateral surface of main body is evenly equipped with fan-shaped protrusion；The inner peripheral surface of main body is fixed with the dirt-proof boot of cylinder barrel shaped；The inner wall of dirt-proof boot is provided with screw thread.Sealing ring had both been convenient for the dismounting of dustproof cover in this bearing, also improved the leakproofness between card slot, dustproof cover, improved dust-proof effect；By the high speed rotation of bearing inner race or bearing outer ring, fan-shaped protrusion generates outside wind-force, eliminates dust and is depended on to main body；Meanwhile dust-proof external threading also generates outside wind-force, eliminates the dust possibility that gap enters between dustproof cover and bearing inner race, extends the service intervals time.
Description
Technical field
The utility model is related to technical field of mechanical design, specifically a kind of dust-proof high speed shaft suitable for bearing outer ring rotation
It holds.
Background technology
Bearing refers to that component that is fixed and reducing load friction coefficient is played in mechanical transmission course.When other parts are in axis
On when generating relative motion each other, bearing can be used to reduce friction coefficient in power transmission process and holding shaft center is solid
It is fixed.Therefore, bearing is a kind of very important parts in contemporary mechanical equipment.Its major function is support machinery rotation
Body, to reduce mechanical load friction coefficient of the equipment in transmission process.In order to avoid the ball of bearing is directly exposed to outside,
Many designers are additionally arranged dustproof cover on bearing, avoid ball by contaminating erosions such as dust, greasy dirts.
China patent CN202348987U discloses a kind of shield bearing, the shield bearing mainly include outer ring, inner ring and
Steel ball, arranges several steel balls between outer ring and inner ring, the both sides of the inner headed face of outer ring open up outer collar dustproof groove, outer ring with it is interior
Arrange that groove is arranged in dustproof cover, the edge of dustproof cover between circle, groove is caught in the outer collar dustproof groove of outer ring.Install dustproof cover additional
Bearing can effectively avoid the dust of construction site from entering Bearing inner at the construction field (site), so as to avoid Bearing inner card
Point phenomenon.But from above-mentioned patent specification attached drawing as can be seen that dustproof cover edge and bearing inner race periphery it
Between there is larger gap, and the outer surface of dustproof cover is very smooth, dust fall after dust-proof cap surface be easy again it is mobile float to
In gap between dustproof cover and bearing inner race, hence into Bearing inner, ball is corroded, the service life of bearing is reduced.
It falls after dust-proof cap surface to solve dust and is easy to move float between dustproof cover and bearing inner race again
The problems in gap, China patent CN203412953U disclose a kind of bearing, and improvement is：It is opened on the outer surface of dustproof cover
Equipped with several hemispherical grooves, several hemispherical protuberances are evenly distributed on the slot bottom of hemispherical groove.It passes through hemisphere
Connected in star, hemispherical protuberances are come the method that stores dust, it is clear that and it is palliative, it still needs periodically to carry out maintenance to bearing,
Dedusting.
Invention content
In order to solve the above technical problems, the utility model provide it is a kind of be suitable for running at high speed use under state be suitable for axis
The dust-proof high-speed bearing of bearing outer-ring rotation.
The utility model is achieved through the following technical solutions：A kind of dust-proof high-speed bearing suitable for bearing outer ring rotation, institute
The bearing inner race and bearing outer ring that bearing includes coaxial arrangement are stated, several are provided between the bearing inner race and bearing outer ring
Ball is additionally provided with the retainer for keeping ball position, the bearing outer ring between the bearing inner race and bearing outer ring
Inner headed face on offer card slot；It is fixed with dustproof cover on the card slot；The inner surface of the dustproof cover is prevented towards the ball
The outer surface of dirt lid deviates from the ball；The dustproof cover includes discoid main body, and main body inner end is provided with matches with bearing inner race
The centre bore of conjunction；The main body outer circumference surface is connected with a circle sealing ring；The sealing ring is installed in card slot；The main body
Lateral surface is evenly equipped with fan-shaped protrusion；The inner peripheral surface of the main body is fixed with the dirt-proof boot of cylinder barrel shaped；The dirt-proof boot it is interior
Wall is provided with screw thread.
It is further：The section of the card slot is semicircle；The section of the sealing ring is circle, is provided on sealing ring
One circle rectangle deep gouge；The outer circumference surface of the main body of the dustproof cover is installed in the rectangle deep gouge on sealing ring；
The excircle diameter of the main body of the dustproof cover is less than the inner periphery diameter 4mm-8mm of bearing outer ring.
The fan-shaped protrusion is uniformly arranged around main center；There are one inclined at acute angles degree with main body radial direction for fan-shaped protrusion.Fan
The form of the similar turbine of arrangement of shape protrusion, the purpose is to：In body rotation, air and dust of the fan-shaped protrusion to its surface
A centrifugal force is generated, achievees the purpose that understand dust.
The thread rotary orientation of the inner wall of the dirt-proof boot is directed away from the side of ball.
The bearing inner race end face is provided with the stomata in the middle part of connection dirt-proof boot；The stomata outer end fixed ventilation plug.It is ventilative
The effect of plug is that, to provide certain air in dirt-proof boot, matching thread generates an outside wind-force.Although porous plug also has
Dust may be introduced, still, under the wind-force effect of the screw thread generation of dirt-proof boot, dust finally blows out dustproof cover.
Compared with prior art, the utility model has the beneficial effects that：Card slot, dustproof cover are connected by sealing ring, both just
In the dismounting of dustproof cover, the leakproofness between card slot, dustproof cover is also improved, improves dust-proof effect；Pass through bearing inner race or axis
The high speed rotation of bearing outer-ring, fan-shaped protrusion generate outside wind-force, eliminate dust and depended on to main body；Meanwhile dirt-proof boot spiral shell
Line also generates outside wind-force, eliminates the dust possibility that gap enters between dustproof cover and bearing inner race；Substantially increase axis
Service life when holding extends the service intervals time.
Description of the drawings
Fig. 1 is the utility model embodiment structural schematic diagram；
Fig. 2 is the enlarged drawing in rectangular broken line in Fig. 1.
In figure：1, bearing inner race；2, bearing outer ring；3, ball；4, retainer；5, card slot；6, dustproof cover；6-1, main body；
6-2, fan-shaped protrusion；6-3, dirt-proof boot；6-4, screw thread；7, sealing ring；8, stomata；9, porous plug.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
As depicted in figs. 1 and 2, a kind of dust-proof high-speed bearing suitable for bearing outer ring rotation, the bearing include coaxially setting
The bearing inner race 1 and bearing outer ring 2 set, are provided with several balls 3, the axis between the bearing inner race 1 and bearing outer ring 2
Hold the retainer 4 being additionally provided between inner ring 1 and bearing outer ring 2 for keeping 3 position of ball, the inner circle of the bearing outer ring 2
Card slot 5 is offered on face；Dustproof cover 6 is fixed on the card slot 5；The inner surface of the dustproof cover 6 is prevented towards the ball 3
The outer surface of dirt lid 6 deviates from the ball 3.This is the prior art, and the utility model is not repeated further.
The utility model thes improvement is that：Dustproof cover 6 include discoid main body 6-1, the inner ends main body 6-1 be provided with
The centre bore that bearing inner race 1 coordinates；Main body 6-1 outer circumference surfaces are connected with a circle sealing ring 7；Sealing ring 7 is installed in card slot 5；
The lateral surface of main body 6-1 is evenly equipped with fan-shaped protrusion 6-2；The inner peripheral surface of main body 6-1 is fixed with the dirt-proof boot 6-3 of cylinder barrel shaped；
The inner wall of dirt-proof boot 6-3 is provided with screw thread 6-4.
Preferably：The section of card slot 5 is semicircle；The section of sealing ring 7 is also circle, and a circle square is provided on sealing ring 7
Shape deep gouge；The outer circumference surface of the main body 6-1 of dustproof cover 6 is installed in the rectangle deep gouge on sealing ring 7；When assembly：It first will sealing
Circle 7 is sleeved on by rectangle deep gouge on the outer circumference surface of main body 6-1, and then main body 6-1 is positioned over outside bearing inner race 1 and bearing
Between circle 2, and main body 6-1 is pushed inwardly；Sealing ring 7 is squeezed deformation, as main body 6-1 is moved inwardly together, directly
It is entered in card slot 5 to sealing ring 7.The excircle diameter of the main body 6-1 of dustproof cover 6 is less than the inner periphery diameter of bearing outer ring 2
4mm-8mm；The selection principle of this diameter difference is：When card slot 5 is relatively large in diameter, larger diameter difference can be selected, when card slot 5
When diameter is smaller, smaller diameter difference can be selected；Company of the choice relation of this diameter difference to main body 6-1 and bearing outer ring 2
Firmness is connect, the dust-proof effect of the utility model is had no effect on, therefore is not particularly limited herein.
Preferably：Sector protrusion 6-2 is uniformly arranged around the centers main body 6-1；Sector protrusion 6-2 and main body 6-1 radially has one
A inclined at acute angles degree.The form of the similar turbine of arrangement of fan-shaped protrusion 6-2, the purpose is to：It is fan-shaped convex when main body 6-1 is rotated
It plays 6-2 and one centrifugal force is generated to the air and dust on its surface, achieve the purpose that understand dust.
Preferably：The screw thread 6-4 rotation directions of the inner wall of dirt-proof boot 6-3 are directed away from the side of ball 3.The spiral shell of dirt-proof boot 6-3
Line 6-4 plays the role of helixseal, the purpose is to：When main body 6-1 is rotated, the screw thread 6-4 of dirt-proof boot 6-3 generate one to
Outer wind-force, to eliminate the entrance of dust.
Preferably：1 end face of bearing inner race is provided with the stomata 8 in the middle part of connection dirt-proof boot 6-3；8 outer end fixed ventilation plug of stomata
9.The effect of porous plug 9 is that, to provide certain air in dirt-proof boot 6-3, matching thread 6-4 generates an outside wind-force.
Although porous plug 9 is also possible to introduce dust, under the wind-force effect that the screw thread 6-4 of dirt-proof boot 6-3 is generated, dust is most
Blowout dustproof cover 6 eventually.
The utility model by sealing ring connect card slot, dustproof cover, both be convenient for dustproof cover dismounting, also improve card slot,
Leakproofness between dustproof cover improves dust-proof effect；By the high speed rotation of bearing inner race or bearing outer ring, fan-shaped protrusion generates
Outside wind-force eliminates dust and is depended on to main body；Meanwhile dust-proof external threading also generates outside wind-force, eliminates dust edge
The possibility that gap enters between dustproof cover and bearing inner race；Service life when substantially increasing bearing extends the service intervals time.
Above description is only the preferred embodiment of the application and the explanation to institute's application technology principle.People in the art
Member should be appreciated that invention scope involved in the application, however it is not limited to technology made of the specific combination of above-mentioned technical characteristic
Scheme, while should also cover in the case where not departing from the inventive concept, it is carried out by above-mentioned technical characteristic or its equivalent feature
Other technical solutions of arbitrary combination and formation.Such as features described above has similar work(with (but not limited to) disclosed herein
Can technical characteristic replaced mutually and the technical solution that is formed.
Claims (6)
1. a kind of dust-proof high-speed bearing suitable for bearing outer ring rotation, the bearing includes the bearing inner race of coaxial arrangement（1）With
Bearing outer ring（2）, the bearing inner race（1）And bearing outer ring（2）Between be provided with several balls（3）, the bearing inner race
（1）With bearing outer ring（2）Between be additionally provided with for keeping ball（3）The retainer of position（4）, the bearing outer ring（2）'s
Card slot is offered on inner headed face（5）；The card slot（5）On be fixed with dustproof cover（6）；The dustproof cover（6）Inner surface direction
The ball（3）, dustproof cover（6）Outer surface deviate from the ball（3）；
It is characterized in that：
The dustproof cover（6）Including discoid main body（6-1）, main body（6-1）Inner end is provided with and bearing inner race（1）In cooperation
Heart hole；The main body（6-1）Outer circumference surface is connected with a circle sealing ring（7）；The sealing ring（7）It is installed on card slot（5）It is interior；
The main body（6-1）Lateral surface be evenly equipped with fan-shaped protrusion（6-2）；
The main body（6-1）Inner peripheral surface be fixed with the dirt-proof boot of cylinder barrel shaped（6-3）；The dirt-proof boot（6-3）Inner wall
It is provided with screw thread（6-4）.
2. the dust-proof high-speed bearing according to claim 1 suitable for bearing outer ring rotation, it is characterised in that：The card slot
（5）Section be semicircle；The sealing ring（7）Section be circle, sealing ring（7）On be provided with a circle rectangle deep gouge；It is described
Dustproof cover（6）Main body（6-1）Outer circumference surface be installed on sealing ring（7）On rectangle deep gouge in.
3. the dust-proof high-speed bearing according to claim 2 suitable for bearing outer ring rotation, it is characterised in that：The dustproof cover
（6）Main body（6-1）Excircle diameter be less than bearing outer ring（2）Inner periphery diameter 4mm-8mm.
4. the dust-proof high-speed bearing according to claim 1 suitable for bearing outer ring rotation, it is characterised in that：The sector is convex
It rises（6-2）Around main body（6-1）Center is uniformly arranged；Fan-shaped protrusion（6-2）With main body（6-1）It is radial that there are one inclined at acute angles degree.
5. the dust-proof high-speed bearing according to claim 1 suitable for bearing outer ring rotation, it is characterised in that：The dirt-proof boot
（6-3）Inner wall screw thread（6-4）Rotation direction is directed away from ball（3）Side.
6. the dust-proof high-speed bearing according to claim 1 suitable for bearing outer ring rotation, it is characterised in that：In the bearing
Circle（1）End face is provided with connection dirt-proof boot（6-3）The stomata at middle part（8）；The stomata（8）Outer end fixed ventilation plug（9）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820315722.XU CN207975147U (en) | 2018-03-08 | 2018-03-08 | Dust-proof high-speed bearing suitable for bearing outer ring rotation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820315722.XU CN207975147U (en) | 2018-03-08 | 2018-03-08 | Dust-proof high-speed bearing suitable for bearing outer ring rotation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207975147U true CN207975147U (en) | 2018-10-16 |
Family
ID=63765068
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820315722.XU Expired - Fee Related CN207975147U (en) | 2018-03-08 | 2018-03-08 | Dust-proof high-speed bearing suitable for bearing outer ring rotation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207975147U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113005663A (en) * | 2021-03-01 | 2021-06-22 | 苏州琼派瑞特电子科技有限公司 | Oil leakage prevention cam of flat seaming machine |
-
2018
- 2018-03-08 CN CN201820315722.XU patent/CN207975147U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113005663A (en) * | 2021-03-01 | 2021-06-22 | 苏州琼派瑞特电子科技有限公司 | Oil leakage prevention cam of flat seaming machine |
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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: 20181016 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |