CN208281378U - A kind of low torque anti-channeling oil seal bearing arrangement - Google Patents
A kind of low torque anti-channeling oil seal bearing arrangement Download PDFInfo
- Publication number
- CN208281378U CN208281378U CN201820678104.1U CN201820678104U CN208281378U CN 208281378 U CN208281378 U CN 208281378U CN 201820678104 U CN201820678104 U CN 201820678104U CN 208281378 U CN208281378 U CN 208281378U
- Authority
- CN
- China
- Prior art keywords
- bearing
- lip
- retainer
- outer ring
- inner race
- 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.)
- Active
Links
- 238000007789 sealing Methods 0.000 claims abstract description 53
- 238000005096 rolling process Methods 0.000 claims description 13
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 239000004519 grease Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 description 2
- 229920001971 elastomer Polymers 0.000 description 2
- 230000008595 infiltration Effects 0.000 description 2
- 238000001764 infiltration Methods 0.000 description 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229920001568 phenolic resin Polymers 0.000 description 2
- 239000005011 phenolic resin Substances 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
Landscapes
- Rolling Contact Bearings (AREA)
Abstract
The utility model discloses a kind of low torque anti-channeling oil seal bearing arrangements, comprising: the sealing retainer includes that the retainer outer ring that section is connected at T-type and retainer inner beam, retainer outer ring are embedded in bearing inner race and the step of bearing outer ring one end；For the anti-channeling oil seal circle at the stepped recesses of bearing inner race and the bearing outer ring other end, inner end is provided with the sealing matched with bearing inner race；The sealing includes inner lip, middle lip, outer lip, and inner lip, outer lip, respectively with two step surface clearance fits inside and outside bearing inner race, the groove inner wall of middle lip and bearing inner race is interference fitted.Retainer and side sealing ring are combined as a whole by the utility model, reduce the assembly cost of a face sealing ring, effectively increase production efficiency, reduce production cost, and designed by the structure of three lip sealing rings, it not only can guarantee good sealing performance, but also the operational torque of bearing can be maintained to stablize.
Description
Technical field
The present invention relates to a kind of low torque anti-channeling oil seal bearing arrangements, belong to construction design of journal bearings technical field.
Background technique
Most of existing sealing bearing is all to scrape out T-slot using inside and outside circle end face, then in Internal and external cycle both ends of the surface point
Cloth loads onto rubber seal.Therefore, existing sealing bearing has the drawback that: in assembly, installation retainer needs one of work
Sequence, the sealing ring for installing two sides respectively need a procedure, at least need three process in this way, and processing efficiency is lower；It is needed in terms of accessory
Two panels rubber seal and a retainer are wanted, processing cost is higher.
In addition, existing bearing sealed ring is difficult to meet simultaneously not only anti-channeling oil but also the requirement of low torque, because anti-channeling oil is
It has to reach client's requirement, to meet such requirement, the sealing structure of bearing can only be leaned on to guarantee.Usual situation
Under, sealing performance is higher, and sealing ring and the exposure at bearing touch position are bigger, and the corresponding frictional force that generates is bigger, so axis
Torque is bigger when acknowledgement of consignment turns.Temperature increases when bearing torque will cause greatly bearing working, operating current is big, service life reduces etc.
Adverse consequences.This technology one of to solve the problems, such as be exactly anti-channeling oil and low torque contradiction, before so that bearing is met anti-channeling oil
Reach the requirement of low torque long-life under the conditions of proposing.
According to the above design requirement, those skilled in the art are dedicated to developing that a kind of structure is simple, cost is relatively low, sealing is high
The low torque anti-channeling oil seal bearing arrangement of effect, retainer and side sealing ring is combined as a whole, so that retainer is guiding
Rolling steel balls also have certain sealing function while rotation, and realize the low torsion of anti-channeling oil by the design of the structure of three lip sealing rings
The purpose of square.
Summary of the invention
Goal of the invention: in order to overcome the deficiencies in the prior art, the present invention provides a kind of low torque anti-channeling oil seal
Bearing arrangement has the characteristics that structure is simple, cost is relatively low, sealing is efficient, retainer and side sealing ring is combined as a whole,
So that retainer also has certain sealing function while guiding rolling steel balls rotation, and set by the structure of three lip sealing rings
Meter realizes the purpose of anti-channeling oil low torque.
Technical solution: to achieve the above object, the technical solution adopted by the present invention are as follows:
A kind of low torque anti-channeling oil seal bearing arrangement, including bearing inner race, bearing outer ring and it is set to bearing inner race
Rolling element, sealing retainer, anti-channeling oil seal circle between bearing outer ring；
Wherein, the sealing retainer retainer outer ring that include section connect at T-type and retainer inner beam, and retainer
Outer ring keeps the rolling between rolling element to connect in the step of bearing inner race and bearing outer ring one end, and through retainer inner beam
It connects；
At the stepped recesses of bearing inner race and the bearing outer ring other end, inner end is provided with the anti-channeling oil seal circle
The sealing matched with bearing inner race, and outer end is provided with the mounting portion matched with bearing outer ring；The sealing includes
Inner lip, middle lip, outer lip, and inner lip, outer lip respectively with two step surface clearance fits inside and outside bearing inner race, in
The groove inner wall of lip and bearing inner race interference fit.
Further, the mounting portion is bulge-structure, and constitutes insertion cooperation with the groove of bearing outer ring, to guarantee
The leakproofness of mounting portion.
Further, it is provided with rigid support circle in the anti-channeling oil seal circle, is formed to the rigid support in sealing ring,
Guarantee the stability of sealing.
Further, the step surface on the sealing retainer and bearing inner race, bearing outer ring forms clearance fit.Pass through
Lesser clearance fit realizes the sealing and dustproof leakproof rouge effect of retainer.
Further, the outer lip can tentatively be kept off with the gap of step surface on the outside of bearing inner race within 0.05mm
Firmly 95% or more external grease enters, and the very small part grease of infiltration is effectively blocked by middle lip；The middle lip and bearing
The magnitude of interference of inner ring groove inner wall not only can guarantee good sealing performance within 0.1mm ± 0.02mm, but also can maintain bearing
Operational torque is stablized.
The utility model has the advantages that a kind of low torque anti-channeling oil seal bearing arrangement provided by the invention has compared with prior art
Retainer and side sealing ring: 1, being combined as a whole by following advantages, reduces the process of face sealing ring assembly, accelerates production
The rate flow of product, effectively increases production efficiency, reduces production cost；2, it is designed by the structure of three lip sealing rings, both
Can guarantee good sealing performance, but can maintain bearing operational torque stablize, so as to make energy consumption of electrical machinery decline 20%~
30%, bearing service life improves 2~3 times.
Detailed description of the invention
Fig. 1 is the schematic diagram of the section structure of the embodiment of the present invention；
Fig. 2 is the section partial enlargement diagram of the embodiment of the present invention；
Fig. 3 is the structural schematic diagram that retainer is sealed in the embodiment of the present invention；
Fig. 4 is the diagrammatic cross-section that retainer is sealed in the embodiment of the present invention；
Fig. 5 is the fit structure schematic diagram of anti-channeling oil seal circle and bearing inner race in the embodiment of the present invention；
It include: 1, bearing inner race in figure, 2, bearing outer ring, 3, rolling element, 4, sealing retainer, 5, anti-channeling oil seal circle,
6, retainer outer ring, 7, retainer inner beam, 8, inner lip, 9, middle lip, 10, outer lip, 11, rigid support circle.
Specific embodiment
The present invention will be further explained with reference to the accompanying drawing.
As shown in Figure 1, 2 be a kind of low torque anti-channeling oil seal bearing arrangement, including bearing inner race 1, bearing outer ring 2 and
Rolling element 3, the sealing retainer 4, anti-channeling oil seal circle 5 being set between bearing inner race 1 and bearing outer ring 2；
Wherein, the sealing retainer 4 includes the retainer outer ring 6 and retainer inner beam 7 that section connect at T-type, and guarantor
Hold frame outer ring 6 embedded in 2 one end of bearing inner race 1 and bearing outer ring step in, and by retainer inner beam 7 keep rolling element 3 it
Between rolling connection, structure is as shown in Figure 3,4；
At the stepped recesses of 2 other end of bearing inner race 1 and bearing outer ring, inner end is set the anti-channeling oil seal circle 5
It is equipped with the sealing matched with bearing inner race 1, and outer end is provided with the mounting portion matched with bearing outer ring 2；Such as Fig. 5 institute
Show, the sealing includes inner lip 8, middle lip 9, outer lip 10, and inner lip 8, outer lip 10 respectively with bearing inner race 1
The groove inner wall of inside and outside two step surface clearance fits, middle lip 9 and bearing inner race 1 is interference fitted.
In the present embodiment, the mounting portion is bulge-structure, and constitutes insertion cooperation with the groove of bearing outer ring 2；It is described
Rigid support circle 11 is provided in anti-channeling oil seal circle 5.
In the present embodiment, the gap of the outer lip 10 and 1 outside step surface of bearing inner race is within 0.05mm, and middle lip
The magnitude of interference of mouth 9 and 1 groove inner wall of bearing inner race is within 0.1mm ± 0.02mm.
In the present embodiment, retain between the step surface on the sealing retainer 4 and bearing inner race 1, bearing outer ring 2
Gap within 0.5mm；The sealing retainer 4 is made of phenolic resin material.
For above-mentioned retainer structure because very small with the gap of the inside and outside circle of bearing, such external dust will be blocked in guarantor
The outside of frame is held, channel will not be entered, in addition, the grease in channel will not flow out outside channel, so this retainer not only has
There is the function of guidance steel ball rotation, while also playing the effect of sealing ring.
The technical parameter of the sealing retainer is as follows:
1, retainer material therefor: phenolic resin；
2, radial internal clearance: 5~20um；
3, dynamic load rating (Cr): 17.8KN；Rated static load (Cor): 9.8KN；
4, accuracy class: P6；
5, greasing amount: 1.54~2.16g；
6, leakage rouge amount is not more than 0.216g；
7, vibration values: H≤35um/s；M≤46um/s；L≤64um/s；Level of noise :≤35dB；
8, limit speed: 12000rpm；
9, the service life: it is radial to apply 20% dynamic load rating (Cr), in the case that revolving speed is 40% limit speed, operating 222
A hour, bearing temperature are no more than 80 DEG C.
Above-mentioned retainer structure should guarantee sealing performance, prevent bearing initial failure due to temperature rise is excessively high again.This sets
The problem of counting this contradiction of very good solution.Structurally, bearing inner race uses V-type labyrinth structure, when Vehicle Processing, is adopted
Ra0.8 can be reached hereinafter, effectively reducing because close to guarantee to contact surface roughness with Advanced Ceramic Tool and specific technique
Frictional force that seal and its contact friction generate, so that the torque value of bearing at work be made to be maintained at the range of a very little.
Three bead structures that sealing ring uses, it is outer tentatively to block 95% or more within 0.05mm for gap control between outer lip and inner ring tongue and groove
Portion's grease enters, the very small part grease of infiltration lean in, epipharynx effectively blocks.Second lip and inner ring contact surface magnitude of interference control
Within 0.1 ± 0.02, good sealing performance not only can guarantee, but also the operational torque of bearing can be maintained to stablize.Sealing ring material
Using special wear-resisting raw material, increase significantly its wear-resisting property, to guarantee that it possesses permanent service life.
A specific embodiment of the invention is as follows:
When installation, installation sealing retainer 4, real by retainer inner beam 7 first between bearing inner race 1, bearing outer ring 2
Being flexibly connected between each rolling element 3 between existing bearing inner race 1 and bearing outer ring 2, and retainer outer ring 6 is embedded in bearing inner race 1
And in the step of 2 one end of bearing outer ring；Then anti-channeling oil seal circle 5 is installed, mounting portion is embedded in the groove of bearing outer ring 2,
Then sealing is caught in the groove of bearing inner race 1, so that inner lip 8 extends on the inner side step face of bearing inner race 1, outside
Keep the gap within 0.05mm between 1 outside step surface of lip 10 and bearing inner race, middle lip 9 in 1 groove of bearing inner race
Wall interference fit.
The above is only a preferred embodiment of the present invention, it should be pointed out that: for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (5)
1. a kind of low torque anti-channeling oil seal bearing arrangement, which is characterized in that including bearing inner race (1), bearing outer ring (2) and
It is set to the rolling element (3) between bearing inner race (1) and bearing outer ring (2), seals retainer (4), anti-channeling oil seal circle (5)；
Wherein, sealing retainer (4) the retainer outer ring (6) that include section connect at T-type and retainer inner beam (7), and
Retainer outer ring (6) is kept in the step of bearing inner race (1) and bearing outer ring (2) one end, and through retainer inner beam (7)
Rolling connection between rolling element (3)；
The anti-channeling oil seal circle (5) is at the stepped recesses of bearing inner race (1) and bearing outer ring (2) other end, inner end
It is provided with the sealing matched with bearing inner race (1), and outer end is provided with the mounting portion matched with bearing outer ring (2)；Institute
Stating sealing includes inner lip (8), middle lip (9), outer lip (10), and inner lip (8), outer lip (10) are respectively and in bearing
Enclose inside and outside two step surface clearance fits of (1), the groove inner wall interference fit of middle lip (9) and bearing inner race (1).
2. a kind of low torque anti-channeling oil seal bearing arrangement according to claim 1, which is characterized in that the mounting portion is
Bulge-structure, and insertion cooperation is constituted with the groove of bearing outer ring (2).
3. a kind of low torque anti-channeling oil seal bearing arrangement according to claim 2, which is characterized in that the anti-channeling oil is close
Rigid support circle (11) are provided in seal (5).
4. a kind of low torque anti-channeling oil seal bearing arrangement according to claim 1, which is characterized in that the sealing is kept
Step surface on frame (4) and bearing inner race (1), bearing outer ring (2) forms clearance fit.
5. a kind of low torque anti-channeling oil seal bearing arrangement according to claim 1, which is characterized in that the outer lip
(10) and the gap of bearing inner race (1) outside step surface is within 0.05mm, and in middle lip (9) and bearing inner race (1) groove
The magnitude of interference of wall is within 0.1mm ± 0.02mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820678104.1U CN208281378U (en) | 2018-05-08 | 2018-05-08 | A kind of low torque anti-channeling oil seal bearing arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820678104.1U CN208281378U (en) | 2018-05-08 | 2018-05-08 | A kind of low torque anti-channeling oil seal bearing arrangement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208281378U true CN208281378U (en) | 2018-12-25 |
Family
ID=64729712
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820678104.1U Active CN208281378U (en) | 2018-05-08 | 2018-05-08 | A kind of low torque anti-channeling oil seal bearing arrangement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208281378U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111810538A (en) * | 2020-06-30 | 2020-10-23 | 上海振华轴承总厂有限公司 | A lightweight nylon cage for drive motor ball bearings |
| CN119572631A (en) * | 2024-12-03 | 2025-03-07 | 哈尔滨轴承集团有限公司 | A bearing sealing ring and sealing structure |
-
2018
- 2018-05-08 CN CN201820678104.1U patent/CN208281378U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111810538A (en) * | 2020-06-30 | 2020-10-23 | 上海振华轴承总厂有限公司 | A lightweight nylon cage for drive motor ball bearings |
| CN119572631A (en) * | 2024-12-03 | 2025-03-07 | 哈尔滨轴承集团有限公司 | A bearing sealing ring and sealing structure |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US11428269B2 (en) | Rolling-element bearing assembly | |
| CN208281378U (en) | A kind of low torque anti-channeling oil seal bearing arrangement | |
| CN102767624A (en) | Combined sealing part and kinematical sealing structure | |
| CN218294436U (en) | Novel vehicle wheel hub bearing combined sealing structure | |
| CN204878359U (en) | Three rows of roller turntable bearings of double sealing | |
| CN204403151U (en) | Lift machine is used light and thin type bearing | |
| CN214197001U (en) | Combined bearing | |
| CN203670462U (en) | Sealed type tapered roller bearing | |
| CN218718243U (en) | Follow-on antifriction bearing seal structure | |
| CN216589618U (en) | Deep groove ball bearing with good sealing performance | |
| CN215293284U (en) | Sealing structure for inner ring gap of hub bearing | |
| CN216951320U (en) | Pulley block bearing sealing structure | |
| CN212003987U (en) | Crimping type bearing sealing ring | |
| CN204805343U (en) | Bearing sealing device | |
| CN103362959A (en) | Slight-contact type sealed bearing | |
| CN201751635U (en) | Multi-lip composite dust-proof cover and bearing sealing structure | |
| CN220890811U (en) | Grease-proof and dust-proof rolling bearings | |
| CN202251468U (en) | Bearing | |
| CN211423186U (en) | High-speed grease lubrication deep groove ball bearing | |
| CN108331835A (en) | Biserial closed type taper roller roller bearing | |
| CN203362847U (en) | Light-contact type sealed bearing | |
| CN212079933U (en) | Full complement long cylindrical roller bearing with high dust-proof and sealing performance | |
| CN204739219U (en) | A new type of skeleton inner sealing ring | |
| CN112576628A (en) | Combined bearing | |
| CN205978105U (en) | Agricultural machinery wheel hub bearing sealing device for unit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |