CN106801745A - Bearing and sealing structure for bearing - Google Patents
Bearing and sealing structure for bearing Download PDFInfo
- Publication number
- CN106801745A CN106801745A CN201510830609.6A CN201510830609A CN106801745A CN 106801745 A CN106801745 A CN 106801745A CN 201510830609 A CN201510830609 A CN 201510830609A CN 106801745 A CN106801745 A CN 106801745A
- Authority
- CN
- China
- Prior art keywords
- portions
- bearing
- sealing structure
- holding tank
- spacer
- 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
- 238000007789 sealing Methods 0.000 title claims abstract description 63
- 125000006850 spacer group Chemical group 0.000 claims description 32
- 238000000034 method Methods 0.000 abstract description 2
- 238000009434 installation Methods 0.000 description 4
- 239000007769 metal material Substances 0.000 description 3
- 239000004519 grease Substances 0.000 description 2
- 238000011900 installation process Methods 0.000 description 2
- 230000013228 contact guidance Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
Landscapes
- Sealing Of Bearings (AREA)
Abstract
The invention discloses a bearing and a sealing structure for the bearing, wherein the sealing structure comprises a framework and an elastic sealing element attached to the framework, the elastic sealing element comprises a seat part fixed to the bearing, a plurality of positioning pieces are distributed at intervals along the circumferential direction in the seat part area, and the positioning pieces stretch along with the stretching of the seat part in the radial direction. Therefore, the positioning piece can extend into the accommodating groove of the bearing along with the seat part, and the sealing structure can be prevented from deviating in the bearing running process while the sealing structure is ensured to be installed in place.
Description
Technical field
The present invention relates to technical field of bearings, more particularly to a kind of bearing and the sealing structure for bearing.
Background technology
As shown in figure 1, existing bearing includes outer ring 1 and sealing structure 2, outer ring 1 includes being used to install close
The holding tank 11 of seal structure 2.Sealing structure 2 includes skeleton 21 and the elastic sealing element being attached on skeleton 21,
Elastic sealing element has the portions 22 coordinated with holding tank 11.Fig. 1 is illustrated that sealing structure 2 is installed in place
Situation afterwards.But in actual applications, the axially external edge of portions 22 is often supported in holding tank 11
Ingress edge 12, cause sealing structure 2 to install not in place, and then there is the risk of bearing grease leakage.Study carefully it
Reason, in installation sealing structure, operation instrument can only compress part of the portions below 22, and portions 22
High resilience itself, is easily deformed, therefore be easy to support the ingress edge in holding tank 11.
Accordingly, it is desirable to provide a kind of improved sealing structure and bearing are solving the above problems.
The content of the invention
The problem that the present invention is solved is to provide a kind of being accurately positioned to the sealing structure of bearing.
To solve the above problems, the present invention is adopted the following technical scheme that：A kind of sealing structure for bearing,
Including skeleton and the elastic sealing element being attached on skeleton, the elastic sealing element includes being used to be fixed to axle
The portions held, have some spacers portions region is circumferentially spaced, and those spacers exist with portions
In the radial direction flexible and stretch.
Further, in the curved outline in the side of axial direction, the spacer is located at institute to the portions
State the opposite side of portions axial direction.
Further, the portions are in inverted V-shaped, and the spacer is located at the inside of the portions.
Further, the spacer is integrally formed with the portions.
The present invention solve another problem is that providing a kind of bearing of good seal.
To solve the above problems, the present invention is adopted the following technical scheme that：A kind of bearing, including it is outer ring, interior
Circle and the sealing structure between outer ring and inner ring, the outer ring include holding tank, the sealing knot
Structure includes skeleton and the elastic sealing element being attached on skeleton, and the elastic sealing element includes and the receiving
The portions that groove coordinates, have some spacers portions region is circumferentially spaced, and those spacers are with seat
Portion extends into the holding tank together.
Further, the holding tank is forming the first inner surface near Bearing inner side, near axle
Hold outside side and form the second inner surface for being connected and radially extending with first inner surface, it is described fixed
Bit slice is located at the axially external of the portions and is held with second contacted inner surfaces.
Further, first inner surface is curved, and the portions have matches somebody with somebody with first inner surface
The curved auxiliary section closed.
Further, the holding tank is in inverted V-shaped, and the portions are also in inverted V-shaped, the spacer position
In the inside of the portions.
Further, the skeleton is located at the axially external of the portions.
Further, the spacer is integrally formed with the portions.
Compared with prior art, the present invention has advantages below：Spacer can stretch into holding tank with portions
In, while ensuring that sealing structure is installed in place, it is also possible to prevent sealing structure in bearing operation process
In shift.
Brief description of the drawings
Fig. 1 is the part sectioned view of prior art bearing；
Fig. 2 is the profile of first embodiment of the invention bearing；
Fig. 3 is the partial enlarged drawing of Fig. 2；
Fig. 4 is the side view of Fig. 2；
Fig. 5 is the profile of second embodiment of the invention bearing.
Specific embodiment
As shown in Figures 2 to 4, first embodiment of the invention bearing includes outer ring 10, inner ring 20 and is located at
Sealing structure 30 between outer ring 10 and inner ring 20.Outer ring 10 has the receiving to installation sealing structure 30
Groove 11.Sealing structure 30 includes skeleton 31 and the elastic sealing element 32 being attached on skeleton 31.Elasticity is close
Sealing 32 includes the portions 33 coordinated with the holding tank 11 and the sealing of sealing is formed with the inner ring 20
Lip.
Holding tank 11 is forming the first inner surface 12 of arc near Bearing inner side, outside bearing
Portion side forms the second inner surface 13 for being connected and radially extending with the first inner surface 12.Portions 33 have
The auxiliary section 34 coordinated with the first inner surface 12, accordingly, the outline of auxiliary section 34 is also curved, this
Sample contact between the two is tightr, so as to prevent the leakage of lubricating grease.In the axial direction with the phase of auxiliary section 34
To side, portions 33 have some spacers 40 for being evenly-spaced circumferentially distribution, those spacers
40 are made up of metal material, and are integrally formed with the elastic sealing element 32.Certain spacer 40 also may be used
To be fixed together with elastic sealing element 32 otherwise.After sealing structure 30 is completed, positioning
Piece 40 would extend into holding tank 11 and be offseted with the second inner surface 13.From the ingress edge of holding tank 11
14 form the guidance part 15 that opening gradually expands up to the outer face of outer ring 10, in installation sealing structure
Guide function from when 30.
Specific installation process is as follows：Sealing structure 30 coordinates first from the outer side bearing medial movement of bearing
Portion 34 can contact guidance part 15, because auxiliary section 34 has elasticity, therefore can gradually taper up, similarly fixed
Though bit slice 40 is manufactured for metal material, because spacer 40 is divided into some sections in the circumferential, do not connect
It is connected together, therefore spacer 40 can shrink with the deformation of whole portions 33.Treat that auxiliary section 34 leads to
Cross the ingress edge 14 of holding tank 11, auxiliary section 34 will resilience and enter holding tank 11, it is similarly, fixed
Bit slice 40 can also enter after the ingress edge 14 by holding tank 11 with the resilience of whole portions 33
Holding tank 11, the final auxiliary section 34 is fitted close with the first inner surface 12 of holding tank 11, spacer
40 offset with the second inner surface 13 of holding tank 11.In concrete operations, operation instrument can be by supporting
Pressure spacer 40 to sealing structure 30 so as to exert a force, it is ensured that sealing structure 30 is installed in place, and installs
Sealing structure 30 be not easy to during bearing operation displacement.
As shown in figure 5, second embodiment of the invention bearing includes outer ring 10 ', inner ring 20 ' and positioned at outer ring
Sealing structure 30 ' between 10 ' and inner ring 20 '.Outer ring 10 ' is with the holding tank to installation sealing structure 30 '
11’.Sealing structure 30 ' includes skeleton 31 ' and the elastic sealing element 32 ' being attached on skeleton 31 '.Elasticity is close
Sealing 32 ' forms the sealing of sealing including the portions 33 ' that coordinate with the holding tank 11 ' and with the inner ring 20 '
Lip.In the present embodiment, in inverted V-shaped, correspondingly, portions 33 ' are also in inverted V-shaped to holding tank 11 ',
The inside of portions 33 ' has some spacers 40 ' for being evenly-spaced circumferentially distribution, those spacers 40 '
By metal material is made, and it is integrally formed with the elastic sealing element 32 '.Certain spacer 40 ' can also
It is fixed together with elastic sealing element 32 ' otherwise.
Specific installation process is similar with first embodiment, simply in the present embodiment, the portions of inverted V-shaped
33 ' form wedge angle, it is easier to snap in the holding tank 11 ' of inverted V-shaped, spacer 40 ' can be with portions 33 '
Resilience and extend into holding tank 11 '.In the present embodiment, skeleton 31 ' is positioned at the axial direction of spacer 40 '
Outside, the excessive deformation of other parts beyond can so preventing operation instrument from causing portions 33 ' in force.
Spacer in the present invention can ensure sealing structure in holding tank is stretched into the resilience of portions
While being installed in place, it is also possible to prevent sealing structure from being shifted during bearing operation.
Although the present invention is only described with regard to some exemplary embodiments, these descriptions only should be shown in conduct
Example is without being construed as limiting.In the range of appended claims record, do not depart from spirit of the invention and
Under ambit, what various change was equally possible.
Claims (10)
1. a kind of sealing structure for bearing, including skeleton and the elastic sealing element being attached on skeleton, it is described
Elastic sealing element includes being used to be fixed to the portions of bearing, it is characterised in that in portions region circumferentially
Be intervally distributed with some spacers, those spacers with portions in radial directions it is flexible and it is flexible.
2. the sealing structure for bearing according to claim 1, it is characterised in that the portions are in axle
To side there is curved outline, the spacer is located at the opposite side of portions axial direction.
3. the sealing structure for bearing according to claim 1, it is characterised in that the portions are in falling
V-arrangement, the spacer is located at the inside of the portions.
4. the sealing structure for bearing according to Claims 2 or 3, it is characterised in that the positioning
Piece is integrally formed with the portions.
5. a kind of bearing, including outer ring, inner ring and the sealing structure between outer ring and inner ring, it is described outer
Circle includes holding tank, and the sealing structure includes skeleton and the elastic sealing element being attached on skeleton, institute
Stating elastic sealing element includes the portions coordinated with the holding tank, it is characterised in that on portions region edge
Circumferentially-spaced that some spacers are distributed with, those spacers are extended into the holding tank with portions.
6. bearing according to claim 5, it is characterised in that the holding tank is near Bearing inner one
Side forms the first inner surface, is connected with first inner surface and edge being formed near Bearing outer side
The second inner surface for radially extending, the spacer is located at the portions axially external and with described the
Two contacted inner surfaces are held.
7. bearing according to claim 6, it is characterised in that first inner surface is curved, described
Portions have the curved auxiliary section coordinated with first inner surface.
8. bearing according to claim 5, it is characterised in that the holding tank is in inverted V-shaped, the seat
Portion is also in inverted V-shaped, and the spacer is located at the inside of the portions.
9. bearing according to claim 8, it is characterised in that the skeleton is located at the axial direction of the portions
Outside.
10. bearing according to claim 5, it is characterised in that the spacer and portions one into
Type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510830609.6A CN106801745A (en) | 2015-11-25 | 2015-11-25 | Bearing and sealing structure for bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510830609.6A CN106801745A (en) | 2015-11-25 | 2015-11-25 | Bearing and sealing structure for bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106801745A true CN106801745A (en) | 2017-06-06 |
Family
ID=58976568
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510830609.6A Pending CN106801745A (en) | 2015-11-25 | 2015-11-25 | Bearing and sealing structure for bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106801745A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19708630A1 (en) * | 1997-03-04 | 1998-09-10 | Kaco Gmbh Co | Bushing seal especially for universal joint |
| US20040113366A1 (en) * | 2002-10-04 | 2004-06-17 | Ina-Schaeffler Kg | Lip-type shaft seal |
| CN1820150A (en) * | 2003-08-08 | 2006-08-16 | 依纳-谢夫勒两合公司 | Seal for an antifriction bearing |
| CN101324272A (en) * | 2007-06-15 | 2008-12-17 | Nok株式会社 | Sealing device |
| CN101676578A (en) * | 2008-09-18 | 2010-03-24 | 温州人本轴承有限公司 | Frame structure of bearing sealing-ring with high strength |
| CN102562815A (en) * | 2010-12-22 | 2012-07-11 | Skf公司 | Sealing unit for rolling-element bearings |
-
2015
- 2015-11-25 CN CN201510830609.6A patent/CN106801745A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19708630A1 (en) * | 1997-03-04 | 1998-09-10 | Kaco Gmbh Co | Bushing seal especially for universal joint |
| US20040113366A1 (en) * | 2002-10-04 | 2004-06-17 | Ina-Schaeffler Kg | Lip-type shaft seal |
| CN1820150A (en) * | 2003-08-08 | 2006-08-16 | 依纳-谢夫勒两合公司 | Seal for an antifriction bearing |
| CN101324272A (en) * | 2007-06-15 | 2008-12-17 | Nok株式会社 | Sealing device |
| CN101676578A (en) * | 2008-09-18 | 2010-03-24 | 温州人本轴承有限公司 | Frame structure of bearing sealing-ring with high strength |
| CN102562815A (en) * | 2010-12-22 | 2012-07-11 | Skf公司 | Sealing unit for rolling-element bearings |
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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 | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170606 |
|
| WD01 | Invention patent application deemed withdrawn after publication |