CN106640979A - Seal assembly provided with two frameworks - Google Patents
Seal assembly provided with two frameworks Download PDFInfo
- Publication number
- CN106640979A CN106640979A CN201710072604.0A CN201710072604A CN106640979A CN 106640979 A CN106640979 A CN 106640979A CN 201710072604 A CN201710072604 A CN 201710072604A CN 106640979 A CN106640979 A CN 106640979A
- Authority
- CN
- China
- Prior art keywords
- skeleton
- lip
- static
- rotation
- bearing unit
- 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.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/72—Sealings
- F16C33/76—Sealings of ball or roller bearings
- F16C33/768—Sealings of ball or roller bearings between relatively stationary parts, i.e. static seals
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/30—Parts of ball or roller bearings
- F16C33/58—Raceways; Race rings
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sealing Of Bearings (AREA)
- Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
Abstract
The invention relates to a seal assembly provided with two frameworks. The seal assembly structurally comprises rotary frameworks arranged on an inner ring of a hub bearing unit and static frameworks arranged on an outer ring of the hub bearing unit, wherein an outside crack communicated with the outside of the hub bearing unit and an inside crack communicated with the inside of the hub bearing unit are formed between each rotary framework and the corresponding static framework, the outside crack is close to the inner ring, and the inside crack is close to the outer ring; seal lips are formed in each static framework and comprise a first lip arranged at the outside crack and a second lip arranged at the inside crack. The seal assembly which is simple in structure and high in strength can block muddy water outside the seal assembly. Besides, the seal lips can be integrally and stably fixed on the static frameworks, so that the sealing effect is good.
Description
Technical field
The present invention relates to a kind of hub sealing assembly, particularly a kind of black box with two panels skeleton.
Background technology
Black box is typically equiped with the hub-bearing unit of automotive hub, on the one hand black box prevents outside muddy water
Bearing inner is carried out Deng foreign matter, on the other hand prevents Bearing inner grease from leaking outside, so as to protect bearing to operate under severe conditions,
Extend bearing service life.
A kind of existing black box is illustrated in figure 1, the black box is by the rotation being arranged on inner ring 91
Skeleton 92 and the static skeleton 94 being arranged on outer ring 93 are constituted, wherein the seal lip 95 on static skeleton 94 is by three lips
Composition, two of which lip is horizontally installed between rotation skeleton 92 and static skeleton 94 for preventing the foreign matters such as outside muddy water from entering
Row Bearing inner a, lip is vertically arranged at the internal interstices communicated with inside hub-bearing unit to prevent in bearing
Portion's grease leakage, this kind of black box is not sealed at the extraneous gap that the hub-bearing unit external world communicates, and muddy water can be straight
Connect from extraneous gap and enter so as to impact to black box, and be difficult to discharge after muddy water is entered；Prevent Bearing inner simultaneously
The lip of grease leakage is only capable of preventing grease from leaking outside but can not prevent grease into black box so as to cause adding for black box
Speed is aging.
Chinese patent bulletin CN2411388Y discloses a kind of Combined labyrinth sealing washer, and the sealing ring is interior by being arranged on
Dynamic sealing circle body on skeleton sealing gap to external world, by the internal portion gap of the static seal circle body being arranged on outer skeleton
Sealed, the problem of the sealing structure is that a part of black box is arranged on rotation skeleton, makes dynamic seal ring sealing effect
Fruit is not good, and reason is that dynamic seal ring cannot accomplish high accuracy, cannot keep being fitted completely with static skeleton in rotation process,
Otherwise sealing ring is static and skeleton rotation can guarantee that in better seal, and the patent announcement and connect between dynamic seal ring and rotation skeleton
Socket part point is less, makes dynamic seal ring easily come off, while dynamic seal ring is arranged on different skeletons from static seal circle body is allowed to nothing
Method connection increases sealing ring bulk strength, and in addition static sealing ring needs to carry out extra cooperation with inner ring in seal grease.
Chinese patent bulletin CN201779149U discloses a kind of three framework type sealing rings of hub-bearing unit, and this is close
Seal is respectively provided with sealing external world gap and the sealing ring of internal interstices by 7 shapes outer skeleton, C-shaped inner frame and horizontal L-shaped skeleton
On the outer skeleton not rotated, but the structure needs using special-shaped skeleton and needs multi-disc skeleton to be combined into the extraneous gap of sealing
Sealing ring provide sufficient intensity installation site, so as to improve sealing structure complexity and bring between skeleton connect
Unstability.
The content of the invention
The technical problem to be solved is to provide the high black box of a kind of simple structure and intensity can be by mud
Water is blocked in outside black box；In addition, seal lip can be fixed on static skeleton monolithic stability makes good sealing effect.
The present invention solves the technical scheme that adopted of above-mentioned technical problem：
A kind of black box with two panels skeleton, its structure includes the rotation skeleton being arranged on hub-bearing unit inner ring
With the static skeleton on hub-bearing unit outer ring, form extraneous with hub-bearing unit between the rotation skeleton and static skeleton
The extraneous gap that communicates and with the internal interstices communicated inside hub-bearing unit, the extraneous gap is located proximate to inner ring,
The internal interstices are located proximate to outer ring, and the static skeleton is provided with seal lip, the seal lip includes being arranged on
The first lip at extraneous gap and the second lip for being arranged on internal interstices.In order to realize realizing extraneous seam by two panels skeleton
The sealing of gap, and seal lip is provided entirely on static skeleton, the position in extraneous gap needs to be arranged near inner ring, so as to stay
Go out enough bonded areas be connected to static skeleton by seal lip so that the first lip can bear the larger impulse force of muddy water and not
Come off from skeleton, and in order to prevent grease to be directly entered axle after into black box into black box or fraction muddy water
Inside is held, internal interstices are with extraneous gap dislocation setting is in close outer perimeter section and arranges the second lip.
Further, the rotation skeleton and static skeleton are " L " the shape skeleton with fixed edge and vertical edge；Also include
3rd lip, first lip and the 3rd lip are arranged at the vertical side end of static skeleton, first lip and rotation bone
Frame fixed edge interference fit, the 3rd lip and rotation skeleton vertical edge interference fit." L " shape skeleton structure is simple, passes through
3rd lip is set and is played and stop muddy water of the fraction by the first lip, additionally, due to the 3rd lip and the first lip class is formed
Like the chamfered fit of three-legged structure, the intensity of the first lip is greatly strengthen, make muddy water that the is not result in when impacting the first lip
One lip deform, and on the first lip and static skeleton vertical edge institute's stress can by the 3rd lip be delivered to rotate skeleton so as to
Effectively muddy water impulse force is allocated.
Further, also including the 4th lip, the 4th lip is arranged in the middle part of static skeleton vertical edge, and the described 4th
Lip and rotation skeleton vertical edge interference fit.The setting of the 4th lip makes whole muddy water to be blocked substantially, in addition by
The vertical side end of static skeleton is arranged in the 3rd lip primarily serve support to the first lip, what static skeleton vertical edge was subject to
Impulse force cannot effectively disperse, and so as to arrange the 4th lip static skeleton vertical edge middle part can be realized to support.
Further, first lip, the 3rd lip and the 4th lip are equipped with bending part, and bending part is towards hub bearing
Unit external world direction is arranged.The setting of bending part makes seal lip when being impacted by muddy water, stress be towards rotation skeleton from
And keep seal lip to remain so as to stop muddy water with rotation skeleton while dispersion force.
Preferably, first lip is 30～60 ° with rotation skeleton fixed edge angle scope, the 3rd lip
Mouth and the 4th lip and rotation skeleton vertical edge angle scope are 30～60 °.Angle is crossed when conference causes stress and rotated
The component of skeleton parallel direction is excessive and pressure is too small so that seal lip is easily departed from by muddy water from rotation skeleton, and is pressed from both sides
Angle is too small to be produced excessive friction effects rotation skeleton and rotates, and bending part stress is easily excessive causes seal lip to be broken
Split, thus 30～60 ° of angles are ideal.
Further, second lip is arranged on static skeleton and fixes side end, and second lip is erected with rotation skeleton
The side of straight flange end or rotation skeleton vertical edge inside hub-bearing unit is engaged.This black box is carried for the second lip
Supply static skeleton to fix side end to be fixed and all seal internal interstices near hub-bearing unit private side, it is ensured that
Grease will not enter black box.Small compared with muddy water additionally, due to the impulsive force of grease, static skeleton fixation side end adds static
Skeleton fixed edge be enough to the fixation of the second lip.
Preferably, the static skeleton fixation side end ratio rotation skeleton vertical edge is closer to inside hub-bearing unit.
Second lip is arranged inside hub-bearing unit from outer ring to the close hub-bearing unit outer inclination of inner ring, so as to grease
Will not remain between outer ring and the second lip.
Further, the seal lip is integrally formed.Because seal lip is arranged on static skeleton, it is integrally formed
The bulk strength of seal lip can be improved.
Preferably, the seal lip is set by the side of static skeleton fixed edge and the both sides of static skeleton vertical edge
Put on static skeleton.The technical program can be attached to strengthen the fixation of seal lip using all sides on static skeleton
And do not affect sealing or inner ring to rotate.
The present invention compared with the existing technology has advantages below and effect：In order to realize " L " by two panels simple structure
Shape skeleton realizes the sealing in extraneous gap, and seal lip is provided entirely on static skeleton, and the position in extraneous gap needs to lean on
Nearly inner ring is arranged, and static skeleton is connected to by seal lip so that the first lip can bear so as to reserve enough bonded areas
The larger impulse force of muddy water and do not come off from skeleton, and entering sealing to prevent grease from entering black box or fraction muddy water
Bearing inner is directly entered after component, internal interstices are with extraneous gap dislocation setting is in close outer perimeter section and arranges the second lip
Mouthful；Stop muddy water of the fraction by the first lip by arranging the 3rd lip and playing, additionally, due to the 3rd lip and the first lip
The chamfered fit of similar three-legged structure mouthful is formed, the intensity of the first lip is greatly strengthen, when making muddy water impact the first lip not
The first lip can be caused to deform, and institute's stress can be delivered to rotation by the 3rd lip on the first lip and static skeleton vertical edge
Skeleton to muddy water impulse force so as to being effectively allocated；The setting of the 4th lip makes whole muddy water to be blocked substantially, in addition
Support to the first lip is primarily served because the 3rd lip is arranged on the vertical side end of static skeleton, static skeleton vertical edge is subject to
Impulse force cannot effectively disperse, so as to arrange the 4th lip can to static skeleton vertical edge middle part realize support；Folding
The setting of turn of bilge makes seal lip when being impacted by muddy water, and stress is so as to keep while dispersion force towards rotation skeleton
Seal lip remains so as to stop muddy water with rotation skeleton；30～60 ° of angles ensure the sealing of seal lip and not
Affect to rotate.Black box provides static skeleton fixation side end and is fixed and by internal interstices near wheel for the second lip
Hub bearing unit private side is all sealed, it is ensured that grease will not enter black box；Second lip is from outer ring near hub bearing
Arrange to the close hub-bearing unit outer inclination of inner ring inside unit, so as to grease will not remain in outer ring and the second lip it
Between.Because seal lip is arranged on static skeleton, being integrally formed can improve the bulk strength of seal lip, and being capable of profit
It is attached with all sides on static skeleton and do not affect sealing or inner ring rotation to strengthen the fixation of seal lip.
Description of the drawings
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
The accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, without having to pay creative labor, may be used also
To obtain other accompanying drawings according to these accompanying drawings.
Fig. 1 is the structural representation of existing black box.
Fig. 2 is the structural representation of the present invention.
Fig. 3 is the enlarged drawing of black box of the present invention.
Label declaration：
The inner ring 2 of 1 steel ball of hub-bearing unit 11
The rotation of the outer ring 3 rotation skeleton of skeleton 4 fixed edge 41
The static skeleton fixed edge 51 of 42 static skeleton of rotation skeleton vertical edge 5
The lip 61 of 52 seal lip of static skeleton vertical edge 6 first
The lip 64 of second the 3rd lip 63 of lip 62 the 4th
The extraneous internal interstices 8 of gap 7 of kink 65
Specific embodiment
With reference to embodiment, the present invention is described in further detail, following examples be explanation of the invention and
The invention is not limited in following examples.
Embodiment 1：
As shown in Fig. 2 to 3, the black box of the present embodiment is arranged in hub-bearing unit 1, and hub-bearing unit 1 is wrapped
The inner ring 2 of rotation and static outer ring 3 are included, the steel ball 11 for above-mentioned rotation, this enforcement are provided between inner ring 2 and outer ring 3
Example is arranged between inner ring 2 and outer ring 3, to prevent gap of the extraneous muddy water between inner ring 2 and outer ring 3 from entering hub bearing list
The inside of unit 1 (such as the position of steel ball 11)；The grease being also prevented from hub-bearing unit 1 simultaneously spills from inside.The present embodiment
It is made up of two L-shaped skeletons, two skeletons have fixed edge and vertical edge, wherein rotation skeleton 4 is arranged on inner ring 2, is passed through
Rotation skeleton fixed edge 41 is connected with inner ring 2, and static skeleton 5 is arranged on outer ring 3, by static skeleton fixed edge 51 and outer ring
3 connections, rotation skeleton 4 and static skeleton 5 arrange make rotation skeleton vertical edge 42 and static skeleton vertical edge 52 in the opposite direction
Extraneous gap 7 and internal interstices 8 are formed, wherein rotation skeleton fixed edge 41 is arranged and static skeleton fixed edge 51 near steel ball 11
Make extraneous gap 7 near inner ring 2 and internal interstices 8 near outer ring 3 near extraneous setting, so as to static skeleton vertical edge 52 is close
Envelope lip 6 provides enough fixed positions makes it be fixed on static skeleton 5, and seal lip 6 constitutes viscous by sulfuration by rubber
It is attached to the both sides of vertical edge 52 and the side of fixed edge 51 of static skeleton 5.Seal lip 6 is integrally formed by the first lip 61 and second
Lip 62 is constituted, and the first lip 61 is connected to the static end of skeleton vertical edge 52 i.e. near the position in external world gap 7, the first lip 61
The position interference fit in the other end extraneous gap 7 close with rotation skeleton fixed edge 41, the second lip 62 is connected to static skeleton
I.e. near the position of internal interstices 8, the more static skeleton vertical edge 52 in the position makes the second lip to the end of fixed edge 51 closer to steel ball 11
When sides of the mouth 62 with static skeleton vertical edge 52 inside hub-bearing unit 1 coordinate, the second lip 62 is close from outer ring 3
Inside hub-bearing unit 1 to inner ring 2 near the outer inclination of hub-bearing unit 1 (in Fig. 3 position be from upper right to the left
Under) arrange.
Embodiment 2：
Embodiment 2 is similar to the structure of embodiment 1, and difference is that the setting of seal lip 6 is different.It is close as shown in Fig. 2 to 3
Envelope lip 6 is integrally formed and is made up of the first lip 61, the second lip 62, the 3rd lip 63 and the 4th lip 4, the He of the first lip 61
3rd lip 63 is connected to the static end of skeleton vertical edge 52 i.e. near the position in external world gap 7, the other end of the first lip 61 and rotation
Turn skeleton fixed edge 41 near the external world gap 7 position interference fit, the other end of the 3rd lip 63 with rotation skeleton vertical edge
42 near inner ring 2 position interference fit；4th lip 64 is connected to the middle part of static skeleton vertical edge 52, the other end and rotation bone
The middle part of frame vertical edge 42 interference fit on the upper side, cooperation position can make matching somebody with somebody for the 3rd lip 63 and the 4th lip 64 near outer ring 3
Close the position that position is substantially at static skeleton vertical edge 1/52nd 3 and 2/3rds；Second lip 62 is connected to static bone
I.e. near the position of internal interstices 8, the more static skeleton vertical edge 52 in the position makes second to the end of frame fixed edge 51 closer to steel ball 11
When side of the lip 62 with static skeleton vertical edge 52 inside hub-bearing unit 1 coordinates, the second lip 62 is leaned on from outer ring 3
Inside nearly hub-bearing unit 1 to inner ring 2 near the outer inclination of hub-bearing unit 1 (in Fig. 3 position be from upper right to the left
Under) arrange, wherein the first lip 61, the 3rd lip 63 and the 4th lip 64 are provided with bending part 65, bending towards muddy water come to,
The angle for making cooperation position form 30～60 °, the wherein bigger magnitude of interference of angle is bigger, and the magnitude of interference is in 0.4～0.6mm, wherein pressing from both sides
Angle is 45 ° and magnitude of interference stressing conditions and frictional force of lip in 0.5mm are ideal.
Furthermore, it is necessary to explanation, the specific embodiment described in this specification, is named the shape of its parts and components
Title etc. can be with difference.The equivalent or simple change that all constructions according to described in inventional idea of the present invention, feature and principle are done, wraps
Include in the protection domain of patent of the present invention.Those skilled in the art can be embodied as to described
Example is made various modifications or supplements or substituted using similar mode, structure without departing from the present invention or surmounts this
Scope as defined in the claims, all should belong to protection scope of the present invention.
Claims (9)
1. a kind of black box with two panels skeleton, including the rotation skeleton and hub spindle that are arranged on hub-bearing unit inner ring
Static skeleton on bearing unit outer ring, formed between the rotation skeleton and static skeleton communicate with the hub-bearing unit external world outward
Boundary gap and with the internal interstices communicated inside hub-bearing unit, it is characterised in that：Being located proximate to for the extraneous gap is interior
Circle, the internal interstices are located proximate to outer ring, and the static skeleton is provided with seal lip, the seal lip includes arranging
The first lip at extraneous gap and the second lip for being arranged on internal interstices.
2. the black box with two panels skeleton according to claim 1, it is characterised in that：The rotation skeleton and static bone
Frame is " L " the shape skeleton with fixed edge and vertical edge；Also include the 3rd lip, first lip and the 3rd lip are respectively provided with
In the vertical side end of static skeleton, first lip and rotation skeleton fixed edge interference fit, the 3rd lip and rotation bone
Frame vertical edge interference fit.
3. the black box with two panels skeleton according to claim 2, it is characterised in that：Also include the 4th lip, it is described
4th lip is arranged on static skeleton vertical edge middle part, the 4th lip and rotation skeleton vertical edge interference fit.
4. the black box with two panels skeleton according to claim 3, it is characterised in that：First lip, the 3rd lip
Mouth and the 4th lip are equipped with bending part, and bending part is arranged towards hub-bearing unit external world direction.
5. the black box with two panels skeleton according to claim 4, it is characterised in that：First lip and rotation bone
Frame fixed edge angle scope is 30～60 °, the 3rd lip and the 4th lip and rotation skeleton vertical edge angle
Scope is 30～60 °.
6. the black box with two panels skeleton according to claim 2, it is characterised in that：Second lip is arranged on quiet
Only skeleton fixes side end, and second lip is with the vertical side end of rotation skeleton or rotation skeleton vertical edge near hub-bearing unit
Internal side is engaged.
7. the black box with two panels skeleton according to claim 6, it is characterised in that：The static skeleton fixes side end
Than rotation skeleton vertical edge closer to inside hub-bearing unit.
8. according to the arbitrary described black box with two panels skeleton of claim 2 to 7, it is characterised in that：The seal lip
It is integrally formed.
9. the black box with two panels skeleton according to claim 8, it is characterised in that：The seal lip is by static
The both sides of the side of skeleton fixed edge and static skeleton vertical edge are arranged on static skeleton.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710072604.0A CN106640979A (en) | 2017-02-10 | 2017-02-10 | Seal assembly provided with two frameworks |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710072604.0A CN106640979A (en) | 2017-02-10 | 2017-02-10 | Seal assembly provided with two frameworks |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106640979A true CN106640979A (en) | 2017-05-10 |
Family
ID=58845247
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710072604.0A Pending CN106640979A (en) | 2017-02-10 | 2017-02-10 | Seal assembly provided with two frameworks |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106640979A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115388093A (en) * | 2022-07-28 | 2022-11-25 | 重庆长安汽车股份有限公司 | Sealing device, bearing, wheel hub and vehicle of bearing |
| CN115405635A (en) * | 2022-11-03 | 2022-11-29 | 万向钱潮股份公司 | Universal joint |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09274051A (en) * | 1996-04-08 | 1997-10-21 | Nippon Seiko Kk | Sealing device and rolling bearing unit provided with tone wheel |
| CN2752528Y (en) * | 2004-06-15 | 2006-01-18 | 万向钱潮股份有限公司 | Wheel hub bearing unit sealing structure |
| WO2006126469A1 (en) * | 2005-05-23 | 2006-11-30 | Uchiyama Manufacturing Corp. | Sealing device with tone wheel |
| KR100799647B1 (en) * | 2006-08-09 | 2008-01-30 | 주식회사 일진글로벌 | Encoder Seals for Bearings |
| WO2008062684A1 (en) * | 2006-11-22 | 2008-05-29 | Jtekt Corporation | Sealing device and rolling bearing device |
| CN102046497A (en) * | 2008-05-27 | 2011-05-04 | 日本精工株式会社 | Rolling bearing |
| JP2017015213A (en) * | 2015-07-03 | 2017-01-19 | Nok株式会社 | Sealing device |
| CN206555297U (en) * | 2017-02-10 | 2017-10-13 | 浙江万向精工有限公司 | A kind of seal assembly with two panels skeleton |
-
2017
- 2017-02-10 CN CN201710072604.0A patent/CN106640979A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09274051A (en) * | 1996-04-08 | 1997-10-21 | Nippon Seiko Kk | Sealing device and rolling bearing unit provided with tone wheel |
| CN2752528Y (en) * | 2004-06-15 | 2006-01-18 | 万向钱潮股份有限公司 | Wheel hub bearing unit sealing structure |
| WO2006126469A1 (en) * | 2005-05-23 | 2006-11-30 | Uchiyama Manufacturing Corp. | Sealing device with tone wheel |
| KR100799647B1 (en) * | 2006-08-09 | 2008-01-30 | 주식회사 일진글로벌 | Encoder Seals for Bearings |
| WO2008062684A1 (en) * | 2006-11-22 | 2008-05-29 | Jtekt Corporation | Sealing device and rolling bearing device |
| CN102046497A (en) * | 2008-05-27 | 2011-05-04 | 日本精工株式会社 | Rolling bearing |
| JP2017015213A (en) * | 2015-07-03 | 2017-01-19 | Nok株式会社 | Sealing device |
| CN206555297U (en) * | 2017-02-10 | 2017-10-13 | 浙江万向精工有限公司 | A kind of seal assembly with two panels skeleton |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115388093A (en) * | 2022-07-28 | 2022-11-25 | 重庆长安汽车股份有限公司 | Sealing device, bearing, wheel hub and vehicle of bearing |
| CN115405635A (en) * | 2022-11-03 | 2022-11-29 | 万向钱潮股份公司 | Universal joint |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202927015U (en) | Gear case, wind turbine, jointing element and end cap structure | |
| CN206555297U (en) | A kind of seal assembly with two panels skeleton | |
| CN106640979A (en) | Seal assembly provided with two frameworks | |
| CN202768793U (en) | End portion sealing structure of drive axle main reducer | |
| CN206017728U (en) | A kind of resistance to eccentric novel compositions oil sealing | |
| CN107299940A (en) | A kind of dust cover and drive axle support oil enveloping structure | |
| CN206268448U (en) | A kind of hub exterior seal ring anti-loose structure | |
| CN206904093U (en) | A kind of steel plate punched bearing universal joint with Dustproof sealing structure | |
| CN203880051U (en) | Planet gear speed reducer using bearing without outer ring | |
| CN208955792U (en) | Sealing structure, shaft sealing device and motor | |
| CN109611771A (en) | A kind of transit equipment with dedusting function for illumination | |
| CN201502708U (en) | Seal ring assembly for floating shaft type shaft | |
| CN205715301U (en) | A kind of radial labyrinth formula sealing ring of hiding entrance | |
| CN211145130U (en) | Labyrinth glued composite dust cover | |
| CN211623974U (en) | Automatic aligning labyrinth glued composite dust cover | |
| CN209469725U (en) | The universal joint of composite construction | |
| CN204354762U (en) | Balance suspension assembly of off-highway transport vehicle | |
| CN207879891U (en) | A kind of oil sealing with multi-sealing function for universal joint | |
| CN204692577U (en) | A kind of structure improving sealing of motor oil seal | |
| CN208498415U (en) | A kind of automobile dynamic sealing shield | |
| CN205978105U (en) | Agricultural machinery wheel hub bearing sealing device for unit | |
| CN207848406U (en) | Improved seal structure for hydraulic motor | |
| CN105840831A (en) | Integrated combination oil seal | |
| CN207989685U (en) | A kind of external tooth drives the pivoting support of inner ring rotation | |
| CN105479058A (en) | Water seepage preventing assembly process of rail vehicle sealing structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170510 |
|
| RJ01 | Rejection of invention patent application after publication |