CN115823258B - Shaft sealing assembly with high eccentricity resistance and low friction resistance for gearbox - Google Patents
Shaft sealing assembly with high eccentricity resistance and low friction resistance for gearbox Download PDFInfo
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- CN115823258B CN115823258B CN202211433447.9A CN202211433447A CN115823258B CN 115823258 B CN115823258 B CN 115823258B CN 202211433447 A CN202211433447 A CN 202211433447A CN 115823258 B CN115823258 B CN 115823258B
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- 238000007789 sealing Methods 0.000 title claims abstract description 180
- 239000002184 metal Substances 0.000 claims description 37
- 238000005452 bending Methods 0.000 claims description 30
- 239000000428 dust Substances 0.000 claims description 7
- 238000004073 vulcanization Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 12
- 238000005299 abrasion Methods 0.000 abstract description 5
- 230000000712 assembly Effects 0.000 abstract description 2
- 238000000429 assembly Methods 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 12
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 239000010687 lubricating oil Substances 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 230000003313 weakening effect Effects 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
Landscapes
- Sealing With Elastic Sealing Lips (AREA)
Abstract
The invention relates to the field of sealing assemblies, in particular to a shaft sealing assembly with high eccentricity resistance and low friction resistance for a gearbox, which comprises a mounting shaft, wherein a main sealing element is sleeved on the periphery of the mounting shaft, the mounting shaft is rotationally connected with the main sealing element, a shaft sleeve sealing element is sleeved on the part of the mounting shaft positioned in the main sealing element, the main sealing element is fixedly connected with the shaft sleeve sealing element, and the main sealing element is rotationally connected with the shaft sleeve sealing element; the structure realizes reducing the friction resistance of the contact surface, further improves the service life between shaft sealing connectors, and reduces the sealing effect caused by abrasion.
Description
Technical Field
The invention relates to the field of sealing assemblies, in particular to a shaft sealing assembly with high eccentricity resistance and low friction resistance for a gearbox.
Background
The shaft sealing element used in the gearbox is often sealed by adopting a radial sealing lip, and the sealing mode of the sealing structure meets the sealing requirement of large eccentricity due to the fact that larger contact force is needed, as shown in the figure 1, the metal supporting framework 6 enables the oil seal to be firmly assembled with the sealing shell in the working process, the mounting shaft 4 penetrates into the sealing lip 7 of the oil seal in working, the radial acting force on the surface of the mounting shaft 4 is in tight fit contact with the rubber lip of the oil seal, and the radial acting force on the rubber lip of the oil seal is achieved through the metal steel ring 8. The structure is easy to cause larger friction resistance, so that abrasion of the sealing lip is quickened, and the sealing effect of the sealing element is rapidly reduced along with the increase of the abrasion quantity of the sealing lip, so that the service life requirement cannot be met.
While patent CN102439336a discloses an axial face seal assembly, although two seal members are utilized to realize close fitting through spring acting force, so that liquid is not easy to pass through the structure, and finally sealing of the shaft seal assembly is realized, the structure of the axial face seal assembly cannot realize the effect of reducing friction resistance to improve service life of a seal lip, and is not suitable for a structure of an automobile gearbox, which has a large gap from a motor bin for underwater operation and requires different requirements, therefore, a technical scheme suitable for the automobile gearbox is needed, which can reduce friction resistance and further improve service life.
Disclosure of Invention
The invention aims to provide a shaft sealing assembly with high eccentricity resistance and low friction resistance for a gearbox, so as to solve the problems, and achieve the purposes of reducing the friction resistance of a contact surface, further prolonging the service life between shaft sealing connectors and reducing the weakening of sealing effect caused by abrasion.
In order to achieve the above object, the present invention provides the following solutions:
the shaft sealing assembly is characterized in that a main sealing element with high eccentricity resistance and low friction resistance for a gearbox is sleeved on the periphery of a mounting shaft, the mounting shaft is rotationally connected with the main sealing element, a shaft sleeve sealing element is sleeved on the part of the mounting shaft, which is positioned in the main sealing element, the main sealing element is fixedly connected with the shaft sleeve sealing element, and the main sealing element is rotationally connected with the shaft sleeve sealing element;
the main sealing element comprises a first sealing body, the first sealing body is rotatably sleeved on the periphery of the mounting shaft, the cross section of the first sealing body is L-shaped, a first metal framework with the cross section of L is fixedly connected to the inner side of the first sealing body, a sealing lip assembly is fixedly connected to the bottom end of the inner side of the first sealing body, the sealing lip assembly is positioned on the inner side of the first metal framework, an elastic element is arranged on the outer side of the sealing lip assembly, one end, far away from the sealing lip assembly, of the elastic element is fixedly connected to the bottom end of the inner side of the first metal framework, and the top end of the sealing lip assembly is fixedly connected with a main sealing lip which is bent outwards;
the top surface of the main sealing lip is rotatably and hermetically connected with the shaft sleeve sealing piece, and the bottom end of the sealing lip assembly is fixedly connected with an inwards bent dustproof lip;
the dustproof lip is rotatably and hermetically connected with the mounting shaft.
Preferably, the shaft sleeve sealing piece comprises a second metal framework and a second sealing body, the second metal framework comprises a sleeve part, the sleeve part is axially arranged along the mounting shaft and sleeved on the periphery of the mounting shaft, and the top end of the sleeve part is fixedly connected with a sealing plate part; the outer side of the sleeve part is rotatably and hermetically connected with the dustproof lip; the sealing plate part extends outwards, and the bottom surface of the sealing plate part is in rotatable sealing connection with the top surface of the main sealing lip.
Preferably, the outer bottom end of the sealing lip assembly is fixedly connected with a flange, the first metal framework is clamped with the first sealing body through the flange, the main sealing lip and the dustproof lip are of an integrated structure, the main sealing lip is arranged at the top end of the flange, and the dustproof lip is arranged at the inner side of the flange.
Preferably, the top end of the main sealing lip is sine wave shaped.
Preferably, 6-8 wave crests are arranged on the circumference of the top end of the main sealing lip.
Preferably, the sealing plate part is sequentially provided with a first bending section and a second bending section;
the first bending section is positioned at one end close to the sleeve part, the inner side of the first bending section is fixedly connected with the second sealing body, and the second sealing body is sleeved with the mounting shaft;
the second bending section is located the closing plate portion is kept away from the one end of second bending section, the second bending section is buckled downwards along the axial, second bending section bottom surface with the radial parallel of installation axle, second bending section bottom surface with but main seal lip top swivelling seal connects.
Preferably, an oil return groove is formed in the inner side of the main sealing lip, an auxiliary sealing lip is arranged between the oil return groove and the dustproof lip, and the auxiliary sealing lip is in rotatable sealing connection with the second metal framework.
Preferably, the first sealing body and the second sealing body are made of rubber materials, and the first metal framework is connected with the first sealing body, the second metal framework is connected with the second sealing body in a vulcanization bonding mode.
Preferably, the elastic piece is a spring in the shape of a truncated cone, and the radius of the bottom surface of the elastic piece is smaller than that of the top surface.
The invention has the following technical effects:
through setting up first seal body and seal lip subassembly for main seal lip in axle sleeve sealing member and the seal lip subassembly carries out airtight connection, guarantees sealed effect through laminating between main seal lip and the axle sleeve sealing member, and the elastic component that sets up in the below of main seal lip can provide ascending thrust for main seal lip, thereby lets the bottom surface that main seal lip can paste the tight axle sleeve sealing member, and the outside crooked structure of cooperation main seal lip realizes reducing the frictional resistance of contact surface, and then lifts life between the axle seal connecting piece, reduces the purpose that the sealed effect that wearing and tearing brought weakens.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions of the prior art, the drawings that are needed in the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a cross-sectional view of a prior art shaft seal assembly;
FIG. 2 is a schematic cross-sectional view of a shaft seal assembly of the present invention;
FIG. 3 is a cross-sectional view of the assembled structure of the shaft seal assembly of the present invention;
FIG. 4 is a schematic view of an elastic member according to the present invention;
FIG. 5 is a schematic illustration of the main seal lip end configuration of the shaft seal assembly of the present invention.
1, a main sealing piece; 11. a first metal skeleton; 12. a first sealing body; 12a, flanges; 12b, a primary seal lip; 12c, a dust lip; 12d, an oil return groove; 2. a sleeve seal; 21. a second metal skeleton; 21a, a sleeve part; 21b, a sealing plate portion; 21c, a first bending section; 21d, a second bending section; 22. a second sealing body; 3. an elastic member; 4. a mounting shaft; 5. a mounting hole; 6. a metal support skeleton; 7. an oil seal lip; 8. a metal steel ring.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In order that the above-recited objects, features and advantages of the present invention will become more readily apparent, a more particular description of the invention will be rendered by reference to the appended drawings and appended detailed description.
Referring to fig. 2-5, the invention provides a shaft seal assembly with high eccentricity resistance and low friction resistance for a gearbox, which is sleeved on a main seal member 1 on the periphery side of a mounting shaft 4, wherein the mounting shaft 4 is rotationally connected with the main seal member 1, a shaft sleeve seal member 2 is sleeved on the part of the mounting shaft 4 positioned in the main seal member 1, the main seal member 1 is fixedly connected with the shaft sleeve seal member 2, and the main seal member 1 is rotationally connected with the shaft sleeve seal member 2;
the main sealing element 1 comprises a first sealing body 12, the first sealing body 12 is rotatably sleeved on the periphery of the mounting shaft 4, the cross section of the first sealing body 12 is L-shaped, the inner side of the first sealing body 12 is fixedly connected with a first metal framework 11 with the cross section of L-shaped, the bottom end of the inner side of the first sealing body 12 is fixedly connected with a sealing lip assembly, the sealing lip assembly is positioned on the inner side of the first metal framework 11, the outer side of the sealing lip assembly is provided with an elastic element 3, one end of the elastic element 3, which is far away from the sealing lip assembly, is fixedly connected with the bottom end of the inner side of the first metal framework 11, and the top end of the sealing lip assembly is fixedly connected with a main sealing lip 12b which is bent outwards;
the top surface of the main sealing lip 12b is rotatably and hermetically connected with the shaft sleeve sealing piece 2, and the bottom end of the sealing lip assembly is fixedly connected with an inwards bent dustproof lip 12c;
the dust lip 12c is rotatably and sealingly connected to the mounting shaft 4.
Through setting up first seal body 12 and seal lip subassembly for main seal lip 12b in axle sleeve sealing member 2 and the seal lip subassembly carries out airtight connection, the effect of sealing is guaranteed through laminating between main seal lip 12b and the axle sleeve sealing member 2, and the elastic component 3 that sets up in the below of main seal lip 12b can provide ascending thrust for main seal lip 12b, thereby let main seal lip 12b can paste the bottom surface of tight axle sleeve sealing member 2, the frictional resistance of reducing the contact surface can be realized to the outwards crooked structure of cooperation main seal lip 12b, and then life between the lift axle sealing connector reduces the purpose that the sealed effect that wearing and tearing brought weakens.
In a further optimized scheme, the shaft sleeve sealing piece 2 comprises a second metal framework 21 and a second sealing body 22, the second metal framework 21 comprises a sleeve part 21a, the sleeve part 21a is axially arranged along the mounting shaft 4 and sleeved on the periphery side of the mounting shaft 4, and the top end of the sleeve part 21a is fixedly connected with a sealing plate part 21b; the outer side of the sleeve part 21a is rotatably and hermetically connected with the dust lip 12c; the sealing plate portion 21b extends outwardly, and the bottom surface of the sealing plate portion 21b is rotatably and sealingly connected to the top surface of the main seal lip 12 b.
The sleeve portion 21a is stably fixed to the circumferential side of the mounting shaft 4 so that the seal plate portion 21b does not axially shift, and the bottom surface of the seal plate portion 21b is provided with a smooth surface to stably slide in cooperation with the top surface of the main seal lip 12 b.
In a further optimized scheme, a -type flange 12a is fixedly connected to the bottom end of the outer side of the sealing lip assembly, the first metal framework 11 is clamped with the first sealing body 12 through the flange 12a, the main sealing lip 12b and the dustproof lip 12c are of an integrated structure, the main sealing lip 12b is arranged at the top end of the flange 12a, and the dustproof lip 12c is arranged at the inner side of the flange 12 a.
The provision of the flange 12a ensures the fixation of the first metal frame 11, so that the main seal lip 12b can be stably supported by the elastic member 3, and the provision of the dust-proof lip 12c ensures the isolation from the outside, preventing dust from entering the structure and improving the friction coefficient.
Further preferably, the top end of the main seal lip 12b is sinusoidal.
In a further preferred embodiment, 6 to 8 peaks are provided on the circumference of the top end of the main seal lip 12 b.
By the arrangement, a wider sliding area can be formed in the radial direction when the main sealing lip 12b is contacted with the second metal framework 21, so that the abrasion consumption of the contact part of the second metal framework 21 is slowed down, and the service life of a product is prolonged.
In a further optimized scheme, a first bending section 21c and a second bending section 21d are sequentially arranged on the sealing plate part 21b;
the first bending section 21c is positioned at one end close to the sleeve part 21a, the inner side of the first bending section 21c is fixedly connected with the second sealing body 22, and the second sealing body 22 is sleeved with the mounting shaft 4;
the second bending section 21d is located at one end of the sealing plate portion 21b away from the second bending section 21d, the second bending section 21d is bent downwards along the axial direction, the bottom surface of the second bending section 21d is parallel to the radial direction of the mounting shaft 4, and the bottom surface of the second bending section 21d is in rotatable sealing connection with the top end of the main sealing lip 12 b.
The first bending section 21c is arranged to enable the second sealing body 22 to be combined in a mode of partially coating the second metal framework 21, and the second sealing body is in interference fit with the mounting shaft 4, so that sufficient assembly force and sealing effect are provided.
In a further optimized scheme, an oil return groove 12d is formed in the inner side of the main sealing lip 12b, and an auxiliary sealing lip is arranged between the oil return groove 12d and the dustproof lip 12c and is in rotatable sealing connection with the second metal framework 21.
The oil return groove 12d is arranged to intercept micro-penetration lubricating oil and avoid oil leakage. The arrangement of the auxiliary sealing lip can ensure that even if the main sealing lip 12b is worn, the auxiliary sealing lip can be abutted to realize sealing on the basis that the main sealing lip 12b is already sealed, so that the sealing effect of the structure is ensured. Specifically, the auxiliary sealing lip is arranged on the inner side of the dustproof lip 12c, and the dustproof lip 12c can protect lubricating oil on the auxiliary sealing lip and the main sealing lip 12b from being polluted by dust, so that the service life is prolonged.
In a further optimized scheme, the first sealing body 12 and the second sealing body 22 are made of rubber, and the first metal framework 11 is connected with the first sealing body 12, the second metal framework 21 and the second sealing body 22 in a vulcanization bonding mode.
The main sealing lip 12b connected to the first sealing body 12 is also preferably made of rubber, and the physical properties of the rubber enable the elastic member 3 to be supported by the main sealing lip 12 b.
In a further optimized scheme, the elastic piece 3 is a spring in the shape of a truncated cone, and the radius of the bottom surface of the elastic piece 3 is smaller than that of the top surface.
The structural arrangement of the elastic member 3 can enable the elastic member to provide constant elastic force, so that the sealing effect is ensured.
In the description of the present invention, it should be understood that the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present invention, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.
The above embodiments are only illustrative of the preferred embodiments of the present invention and are not intended to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art to the technical solutions of the present invention should fall within the protection scope defined by the claims of the present invention without departing from the design spirit of the present invention.
Claims (7)
1. The shaft sealing assembly with high eccentricity resistance and low friction resistance for the gearbox is characterized by comprising a main sealing element (1) sleeved on the periphery of a mounting shaft (4), wherein the mounting shaft (4) is rotationally connected with the main sealing element (1), a shaft sleeve sealing element (2) is sleeved on the part, positioned in the main sealing element (1), of the mounting shaft (4), the mounting shaft (4) is fixedly connected with the shaft sleeve sealing element (2), and the main sealing element (1) is rotationally connected with the shaft sleeve sealing element (2);
the main sealing element (1) comprises a first sealing body (12), the first sealing body (12) is rotatably sleeved on the periphery of the mounting shaft (4), the cross section of the first sealing body (12) is L-shaped, a first metal framework (11) with the cross section being L-shaped is fixedly connected to the inner side of the first sealing body (12), a sealing lip assembly is fixedly connected to the bottom end of the inner side of the first sealing body (12), the sealing lip assembly is positioned on the inner side of the first metal framework (11), an elastic element (3) is arranged on the outer side of the sealing lip assembly, one end, far away from the sealing lip assembly, of the elastic element (3) is fixedly connected to the bottom end of the inner side of the first metal framework (11), and a main sealing lip (12 b) which is outwards bent is fixedly connected to the top end of the sealing lip assembly;
the top surface of the main sealing lip (12 b) is rotatably and hermetically connected with the shaft sleeve sealing piece (2), and the bottom end of the sealing lip assembly is fixedly connected with an inwards bent dustproof lip (12 c);
the dustproof lip (12 c) is rotatably and hermetically connected with the mounting shaft (4);
the top end of the main sealing lip (12 b) is sine wave-shaped;
6-8 wave crests are arranged on the top circumference of the main sealing lip (12 b).
2. The shaft seal assembly with high eccentricity resistance and low friction resistance for a gearbox according to claim 1, wherein the shaft sleeve seal (2) comprises a second metal framework (21) and a second seal body (22), the second metal framework (21) comprises a sleeve part (21 a), the sleeve part (21 a) is axially arranged along the mounting shaft (4) and sleeved on the periphery of the mounting shaft (4), and a sealing plate part (21 b) is fixedly connected to the top end of the sleeve part (21 a); the outer side of the sleeve part (21 a) is rotatably and hermetically connected with the dust-proof lip (12 c); the sealing plate part (21 b) extends outwards, and the bottom surface of the sealing plate part (21 b) is rotatably and hermetically connected with the top surface of the main sealing lip (12 b).
3. The shaft seal assembly with high eccentricity resistance and low friction resistance for a gearbox according to claim 1, wherein a type flange (12 a) is fixedly connected to the bottom end of the outer side of the seal lip assembly, the first metal skeleton (11) is clamped with the first seal body (12) through the flange (12 a), the main seal lip (12 b) and the dust lip (12 c) are of an integrated structure, the main seal lip (12 b) is arranged on the top end of the flange (12 a), and the dust lip (12 c) is arranged on the inner side of the flange (12 a).
4. The shaft seal assembly for a transmission having high eccentricity resistance and low frictional resistance according to claim 2, wherein the seal plate portion (21 b) is provided with a first bending section (21 c) and a second bending section (21 d) in this order;
the first bending section (21 c) is positioned at one end close to the sleeve part (21 a), the inner side of the first bending section (21 c) is fixedly connected with the second sealing body (22), and the second sealing body (22) is sleeved with the mounting shaft (4);
the second bending section (21 d) is located at one end, far away from the second bending section (21 d), of the sealing plate portion (21 b), the second bending section (21 d) is bent downwards along the axial direction, the bottom surface of the second bending section (21 d) is parallel to the radial direction of the mounting shaft (4), and the bottom surface of the second bending section (21 d) is in rotatable sealing connection with the top end of the main sealing lip (12 b).
5. The shaft seal assembly with high eccentricity resistance and low friction resistance for the gearbox according to claim 2, wherein an oil return groove (12 d) is formed in the inner side of the main seal lip (12 b), a secondary seal lip is arranged between the oil return groove (12 d) and the dustproof lip (12 c), and the secondary seal lip is in rotatable sealing connection with the second metal framework (21).
6. The shaft seal assembly with high eccentricity resistance and low friction resistance for a gearbox according to claim 4, wherein the first seal body (12) and the second seal body (22) are made of rubber materials, and the first metal framework (11) and the first seal body (12), and the second metal framework (21) and the second seal body (22) are respectively connected through vulcanization adhesion modes.
7. A shaft seal assembly for a gearbox resistant to large eccentricity and low frictional resistance according to claim 1, wherein the elastic member (3) is a spring in the shape of a truncated cone, and the radius of the bottom surface of the elastic member (3) is smaller than the radius of the top surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211433447.9A CN115823258B (en) | 2022-11-16 | 2022-11-16 | Shaft sealing assembly with high eccentricity resistance and low friction resistance for gearbox |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211433447.9A CN115823258B (en) | 2022-11-16 | 2022-11-16 | Shaft sealing assembly with high eccentricity resistance and low friction resistance for gearbox |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115823258A CN115823258A (en) | 2023-03-21 |
| CN115823258B true CN115823258B (en) | 2023-11-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211433447.9A Active CN115823258B (en) | 2022-11-16 | 2022-11-16 | Shaft sealing assembly with high eccentricity resistance and low friction resistance for gearbox |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115823258B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2385155Y (en) * | 1998-06-25 | 2000-06-28 | 刘文敏 | Curved series rotary sealing element |
| CN201739514U (en) * | 2010-07-28 | 2011-02-09 | 青岛开世密封工业有限公司 | Sinusoidal waveform lip oil seal |
| CN102439336A (en) * | 2009-05-11 | 2012-05-02 | Itt制造企业公司 | Axial face seal assembly |
| CN108374881A (en) * | 2018-02-05 | 2018-08-07 | 江门市鑫辉密封科技有限公司 | A kind of resistance to large eccentricity of gearbox and the shaft seal assembly of low friction resistance |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6767016B2 (en) * | 1998-05-20 | 2004-07-27 | Jeffrey D. Gobeli | Hydrodynamic rotary seal with opposed tapering seal lips |
| EP2058563B1 (en) * | 2007-11-06 | 2010-07-28 | CORCOS INDUSTRIALE S.a.s. di Externa Italia S.r.l. | Seal assembly for a rotating member |
-
2022
- 2022-11-16 CN CN202211433447.9A patent/CN115823258B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2385155Y (en) * | 1998-06-25 | 2000-06-28 | 刘文敏 | Curved series rotary sealing element |
| CN102439336A (en) * | 2009-05-11 | 2012-05-02 | Itt制造企业公司 | Axial face seal assembly |
| CN201739514U (en) * | 2010-07-28 | 2011-02-09 | 青岛开世密封工业有限公司 | Sinusoidal waveform lip oil seal |
| CN108374881A (en) * | 2018-02-05 | 2018-08-07 | 江门市鑫辉密封科技有限公司 | A kind of resistance to large eccentricity of gearbox and the shaft seal assembly of low friction resistance |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115823258A (en) | 2023-03-21 |
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