CN203809508U - Rolling mill bearing with oblique lip type single side seal - Google Patents
Rolling mill bearing with oblique lip type single side seal Download PDFInfo
- Publication number
- CN203809508U CN203809508U CN201420197594.5U CN201420197594U CN203809508U CN 203809508 U CN203809508 U CN 203809508U CN 201420197594 U CN201420197594 U CN 201420197594U CN 203809508 U CN203809508 U CN 203809508U
- Authority
- CN
- China
- Prior art keywords
- oblique
- bearing
- lip
- ring
- single side
- 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
Landscapes
- Rolling Contact Bearings (AREA)
Abstract
The utility model discloses a rolling mill bearing with an oblique lip type single side seal. The rolling mill bearing comprises an inner ring, multiple columns of rollers, an outer ring and an outer ring flange, wherein an oblique lip type single side seal ring is fixed on the inner diameter of the outer ring flange; the double lip end surface of the inner edge of the oblique lip type single side seal ring are is oblique along the circumferential direction. Preferably, the oblique double lip end surface of the inner edge of the oblique lip type single side seal ring forms a 1-3-degree angle with the vertical section of the axis of the seal ring. The rolling mill bearing with the oblique lip type single side seal has the beneficial effects that (1) due to the increasing of the contact area between a lip opening and the corresponding part of the surface of a rotating shaft, the abrasion is greatly reduced; (2) when the rotating shaft rotates, grease clung on the roller path of the inner ring in the seal ring and pollutants clung on the roller path of the inner ring outside the seal ring are thrust and dragged along the axis direction by the lip opening; the seepage of the grease along the space between a seal lip and the lubricating oil film on the surface of the roller path of the inner ring is reduced, and the external pollutants are also prevented from entering the inside of the bearing, so that the seal effect of the bearing is remarkable and the service life of the bearing is prolonged.
Description
Technical field
The utility model relates to roller-mill bearing technical field, belongs to a kind of roller-mill bearing with oblique lip formula single-side sealing.
Background technique
Existing single-side sealing bearing is shown in utility model patent " one-sided radial seal bearing ", the patent No.: 201120541321.4 see Fig. 1;
This is a kind of one-sided radial seal roller-mill bearing, comprise bearing inner race 1, bearing outer ring 3 and be arranged on bearing inner race and bearing outer ring between multiple row roller 2, wherein, internal surface at the rib of described bearing outer ring 3 is provided with seal ring, the outer rim of sealing ring framework 4 is fixed on the internal surface of described bearing outer ring, and sealing circle inner edge 5 is made with skeleton is bonding and is integral by oil resistant rubber.Its rubber seal inner edge 5 has lips structure, and the raceway of described lips structure and described bearing inner race 1 forms sealing pair.
This bearing with single-side sealing, can significantly reduce cooling water, stocking scale and other dirts erosion to bearing by roll surface direction of rolling, extends bearing life.
But this sealing technique of existing bearing has deficiency: after the long-time friction of two lips of rubber sealing ring Inner edge 5 and the raceway contact segment of bearing inner race 1, can grind two pits (as shown in Figure 2) in the raceway face appropriate section of inner ring 1.Pit is along with the time of wearing and tearing deepens.Just as the rotary shaft oil seal of conventional machinery, its lip also can wear and tear pit equally to running shaft corresponding site.The pit of bearing inner race 1 raceway face makes sealing pair produce gap.Particularly, in the situation that having radial load, the intrinsic radial internal clearance of bearing itself is all distributed in the non-loading zone of bearing, and the raceway pit of bearing inner race 1 can be multiplied with the radial clearance of two lips of sealing Inner edge 5.This gap can make the water in the bearing external world and dirt enter bearing inside along pit gap, has a strong impact on the sealing effect of bearing.
Model utility content
The purpose of this utility model is to provide a kind of roller-mill bearing with oblique lip formula single-side sealing, it is simple in structure, easy to use, solved after the long-time friction of two lips of existing rubber sealing ring Inner edge 5 and the raceway contact segment of bearing inner race 1, can grind two pit problems in the raceway face appropriate section of bearing inner race 1, sealing effect than original single-side sealing roller-mill bearing is obvious, has improved bearing life.
For achieving the above object, the utility model is taked following technological scheme:
A kind of roller-mill bearing with oblique lip formula single-side sealing, it includes bearing inner race, multiple row roller, bearing outer ring, outer ring flange, on outer ring flange internal diameter, be fixed with oblique lip formula single-side sealing circle, this oblique lip formula single-side sealing circle Inner edge is made double-lip and is become matrix, and the lips end face of this oblique lip formula single-side sealing circle Inner edge is along the circumferential direction made into oblique shape.The lip of oblique lip formula single-side sealing circle like this and the friction between axle (bearing inner race raceway) show that the track on raceway is no longer wire, but have the band shape of certain width.
As preferably, tiltedly the gradient end face of lips band of lip formula single-side sealing circle Inner edge becomes 1～3 to spend angle with the vertical cross-section angle of seal ring axis.
The beneficial effects of the utility model are:
1, surperficial corresponding site is because surface of contact strengthens to running shaft (bearing inner race 1 raceway) for lip, and wearing and tearing can reduce greatly, avoid at short notice bearing inner race raceway face corresponding site being ground to pit and make seal failure.
2, when axle (bearing inner race 1) rotates, because the vertical cross-section of the corresponding seal ring axis of seal ring lip has the gradient of 1～3 degree, be bonded at the dirt on grease on the bearing inner race raceway of seal ring inside and seal ring external bearings inner ring raceway, all be subject to the push away resistance effect of lip at axial direction, often the circle inclined seal lip of oblique lip formula single-side sealing circle of bearing inner race just pushes away dynamic resistance and does once.Reduced grease oozes out between sealing lip and bearing inner race raceway face lubricant film.Also stopped that outside dirt enters bearing inside along the lubricant film between sealing lip and bearing inner race raceway face.
The sealing effect of the original single-side sealing roller-mill bearing of this design comparison is obvious, has improved bearing life.
Accompanying drawing explanation
Fig. 1 is existing one-sided radial seal bearing structure schematic diagram.
Fig. 2 is the local enlarged diagram of Fig. 1.
Fig. 3 is structural representation of the present utility model.
Fig. 4 is oblique lip formula single-side sealing circle of the present utility model 51 structural representations.
Fig. 5 is oblique lip formula single-side sealing circle 51 angle of inclination schematic diagram.
Drawing reference numeral:
1, bearing inner race;
2, multiple row roller;
3, bearing outer ring;
4, seal ring skeleton;
5, seal ring inner edge;
41, outer ring flange;
51, oblique lip formula single-side sealing circle;
6, skeleton.
Embodiment
Shown in Fig. 3, Fig. 4, Fig. 5: a kind of roller-mill bearing with oblique lip formula single-side sealing, it includes bearing inner race 1, multiple row roller 2, bearing outer ring 3, outer ring flange 41, and (bearing outer ring can be fixing rib, also can be movable rib), on outer ring flange internal diameter, be fixed with oblique lip formula single-side sealing circle 51, this oblique lip formula single-side sealing circle Inner edge is made double-lip and is become matrix, and the lips end face of these oblique lip formula single-side sealing circle 51 Inner edge is along the circumferential direction made into oblique shape.Tiltedly the outer rim of lip formula single-side sealing circle 51 is steel skeletons 6, and the internal diameter of its external diameter and bearing outer ring rib 41 is fixed together with interference fit.Tiltedly the Inner cause oil resistant rubber of lip formula single-side sealing circle 51 is made, and with bonding being integral of skeleton 6 internal diameters, oblique lip formula single-side sealing circle 51 Inner edge are made double-lip and become Y type, and the raceway (external diameter) of lips and bearing inner race 1 forms sealing pair.During bearing inner race 1 rotation, the oblique lip formula single-side sealing circle 51 being fixed on outer ring flange 41 is motionless, and rolling along the sliding friction of circumference road of its lip and bearing inner race 1, seals.
As preferably, tiltedly the gradient end face of lips band of lip formula single-side sealing circle 51 Inner edge becomes 1～3 to spend angle with the vertical cross-section angle of seal ring axis.Friction between the lip of seal ring and axle (bearing inner race raceway) shows that the track on raceway is no longer wire like this, but has the band shape of certain width; The lip that makes oblique lip formula single-side sealing circle 51 to the surperficial corresponding site of running shaft (bearing inner race 1 raceway) because surface of contact strengthens, wearing and tearing can reduce greatly, avoid at short notice bearing inner race 1 raceway face corresponding site being ground to pit and make seal failure.
When axle (bearing inner race 1) rotates, because the oblique vertical cross-section of the corresponding seal ring axis of lip of lip formula single-side sealing circle 51 has the gradient of 1～3 degree, be bonded at the dirt on grease on bearing inner race 1 raceway of seal ring inside and seal ring external bearings inner ring 1 raceway, all be subject to the push away resistance effect of lip at axial direction, often the circle inclined seal lip of oblique lip formula single-side sealing circle 51 of bearing inner race 1 just pushes away dynamic resistance and does once.Reduced grease oozes out between sealing lip and bearing inner race 1 raceway face lubricant film, also stopped that outside dirt enters bearing inside along the lubricant film between sealing lip and bearing inner race 1 raceway face, make bearing seal successful, improved the working life of bearing.
The above is preferred embodiment of the present utility model and the know-why used thereof; for a person skilled in the art; in the situation that not deviating from spirit and scope of the present utility model; the apparent changes such as any equivalent transformation based on technical solutions of the utility model basis, simple replacement, within all belonging to the utility model protection domain.
Claims (2)
1. one kind with the oblique roller-mill bearing of lip formula single-side sealing, it includes bearing inner race (1), multiple row roller (2), bearing outer ring (3), outer ring flange (41), it is characterized in that: on outer ring flange internal diameter, be fixed with oblique lip formula single-side sealing circle (51), this oblique lip formula single-side sealing circle Inner edge is made double-lip and is become matrix, and the lips end face of this oblique lip formula single-side sealing circle (51) Inner edge is along the circumferential direction made into oblique shape.
2. the roller-mill bearing with oblique lip formula single-side sealing according to claim 1, is characterized in that: tiltedly the gradient end face of lips band of lip formula single-side sealing circle (51) Inner edge becomes 1～3 degree angle with the vertical cross-section angle of seal ring axis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420197594.5U CN203809508U (en) | 2014-04-22 | 2014-04-22 | Rolling mill bearing with oblique lip type single side seal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420197594.5U CN203809508U (en) | 2014-04-22 | 2014-04-22 | Rolling mill bearing with oblique lip type single side seal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203809508U true CN203809508U (en) | 2014-09-03 |
Family
ID=51448265
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420197594.5U Expired - Fee Related CN203809508U (en) | 2014-04-22 | 2014-04-22 | Rolling mill bearing with oblique lip type single side seal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203809508U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107975540A (en) * | 2017-12-28 | 2018-05-01 | 瓦房店轴承集团国家轴承工程技术研究中心有限公司 | Wind power bearing sealing ring improved structure |
-
2014
- 2014-04-22 CN CN201420197594.5U patent/CN203809508U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107975540A (en) * | 2017-12-28 | 2018-05-01 | 瓦房店轴承集团国家轴承工程技术研究中心有限公司 | Wind power bearing sealing ring improved structure |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204025321U (en) | Special multi-sealed roller bearing units | |
| JP2013242037A (en) | Wheel supporting rolling bearing unit | |
| CN2911302Y (en) | Bearing for narrow steel strip rolling mill | |
| CN203809508U (en) | Rolling mill bearing with oblique lip type single side seal | |
| CN201170260Y (en) | Novel fretting wear-proof automobile hub bearing unit | |
| CN204403156U (en) | A kind of high leak tightness ball bearing | |
| CN204403151U (en) | Lift machine is used light and thin type bearing | |
| CN204403162U (en) | Long lifetime ball bearing structure | |
| CN202732690U (en) | Backing bearing | |
| CN201277266Y (en) | Bearing sealing ring and deep groove ball bearing | |
| CN206072132U (en) | Vibrating motor double-layer seal deep groove ball bearing | |
| CN208024715U (en) | Biserial closed type taper roller roller bearing | |
| CN203214649U (en) | Rotary bearing | |
| CN205025940U (en) | Four point contact ball turntable bearings | |
| CN102086904A (en) | Integral sealed double-row tapered roller bearing | |
| CN207921331U (en) | A kind of sealing mechanism and the roll assembling structure for being equipped with sealing mechanism | |
| CN205639318U (en) | Novel interior outer lane all is arc toper profile raceway ball bearing | |
| CN208831498U (en) | A kind of self-aligning bearing | |
| JP2013210003A (en) | Tandem type double row angular ball bearing with seal | |
| CN204164170U (en) | A kind of sealed type roller bearing | |
| CN206290578U (en) | A kind of novel bearing | |
| CN201802759U (en) | Backing bearing | |
| CN217481971U (en) | Sealing ring of high-speed wire finishing mill | |
| CN205226080U (en) | Double -sided tape sealing washer deep groove ball bearing | |
| CN208123445U (en) | A kind of new structure skeleton exterior seal ring |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140903 Termination date: 20190422 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |