CN215634874U - Gearbox sealing ring - Google Patents
Gearbox sealing ring Download PDFInfo
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- CN215634874U CN215634874U CN202023262810.4U CN202023262810U CN215634874U CN 215634874 U CN215634874 U CN 215634874U CN 202023262810 U CN202023262810 U CN 202023262810U CN 215634874 U CN215634874 U CN 215634874U
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- ring
- buffer
- outer side
- gearbox
- sealing ring
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Abstract
The utility model discloses a gearbox sealing ring which comprises an upper ring surface, a lower ring surface, an outer side surface, an upper inner side surface and a lower inner side surface; the top of the outer side surface is provided with an upper ring surface, the middle position of the outer side surface is provided with a lower ring surface, the relative position of the outer side surface is provided with an upper inner side surface and a lower inner side surface, the upper inner side surface is positioned below the upper ring surface and above the lower ring surface, and the lower inner side surface is positioned below the lower ring surface; the outer side surface, the upper inner side surface and the lower inner side surface are respectively provided with a plurality of grooves and a plurality of bulges, the grooves and the bulges are sequentially and alternately arranged, and the surface shapes of the outer side surface, the upper inner side surface and the lower inner side surface are wavy. And the combined action of the first buffer part, the first buffer cavity, the connecting part, the second buffer part and the second buffer cavity effectively reduces the stress deformation of the sealing ring, improves the high-pressure resistance of the sealing ring and prolongs the service life of the sealing ring.
Description
Technical Field
The utility model belongs to the technical field of automobile sealing, and particularly relates to a gearbox sealing ring.
Background
The gearbox is an important part in an automobile power system, is used for converting the torque and the rotating speed of an engine crankshaft, mainly plays a role in converting speed, and is suitable for the conditions of starting, increasing and decreasing the speed, decelerating and stopping, climbing, backing up lamps and the like of an automobile. In the middle of the gearbox work, in order to ensure that the gearbox normally works and prolong the service life of the gearbox, various media such as lubricating oil, cooling liquid and the like are inevitably used, and meanwhile, the liquid is prevented from entering the gearbox to damage the gearbox. However, with the continuous improvement of the working temperature and the continuous updating of the lubricating medium of the development of the gearbox, and the development direction of low oil consumption, low emission, low noise and ultra-long service life of modern automobiles, new and higher requirements are provided for the sealing ring of the gearbox.
The existing gearbox sealing ring obtains a sealing effect by utilizing the extrusion deformation of a common O-shaped ring. The common O-shaped ring is in a deformed state for a long time, and has no effective stress relieving or eliminating mechanism, so that the common O-shaped ring becomes aged and has reduced elasticity, so that the common O-shaped ring can not restore the original state, can not adapt to the frequent change of the rotating speed and the direction of the gearbox, can not deform in time to play a role of sealing, and can cause the sealing failure, therefore, the common O-shaped ring needs to be frequently changed, not only the use cost is improved, meanwhile, the unexpected failure of the common O-shaped ring also brings uncertainty to the sealing effect of the gearbox, if the optimal replacement period of the common O-shaped ring is missed, the common O-shaped ring deformed before is continuously used, liquid can enter the gearbox, the gearbox can be irreversibly damaged after the common O-shaped ring is used for a long time, and the conditions of sudden starting failure, speed change failure and the like of an automobile can be caused.
The present invention therefore provides a gearbox seal ring to solve the above mentioned problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a gearbox sealing ring.
The technical problems to be solved by the utility model are as follows: 1. the pressure resistance of the gearbox sealing ring is improved; 2. the reliability of the sealing effect of the gearbox sealing ring is extremely high; 3. the service life of the gearbox sealing ring is prolonged.
The purpose of the utility model can be realized by the following technical scheme:
the gearbox sealing ring comprises an upper ring surface, a lower ring surface, an outer side surface, an upper inner side surface and a lower inner side surface;
the top of the outer side surface is provided with an upper ring surface, the middle position of the outer side surface is provided with a lower ring surface, the gearbox sealing ring is matched with the top cover through the upper ring surface, the contact surface is an end surface, the gearbox sealing ring is matched with the groove body of the mounting groove through the lower ring surface, and the contact surface is also an end surface;
the outer side surface is provided with an upper inner side surface and a lower inner side surface in opposite positions, the upper inner side surface is positioned below the upper ring surface and above the lower ring surface, and the lower inner side surface is positioned below the lower ring surface;
the rubber filled among the outer side surface, the upper inner side surface and the upper ring surface forms a first buffer part, the rubber filled among the outer side surface, the lower inner side surface and the lower ring surface forms a second buffer part, and a connecting part is arranged between the first buffer part and the second buffer part;
the outer side surface, the upper inner side surface and the lower inner side surface are respectively provided with a plurality of grooves and a plurality of bulges, and the grooves and the bulges are sequentially and alternately arranged, so that the outer side surface, the upper inner side surface and the lower inner side surface are wavy, when the gearbox sealing ring is contacted with the mounting groove, the outer side surface, the upper inner side surface and the lower inner side surface are respectively contacted with the inner side wall of the mounting groove, a multiple sealing line can be formed, and the reliability of the sealing effect of the variable-speed sealing element is improved.
Furthermore, a plurality of first buffer cavities are formed in the first buffer part along the circumferential direction.
Furthermore, a plurality of second buffer cavities are formed in the second buffer part along the circumferential direction.
Further, the first buffer cavity and the second buffer cavity are closed cavities with any shapes.
Furthermore, the number ratio of the second buffer cavities to the first buffer cavities is 2:1, when the variable-speed sealing element is extruded, the first buffer part reduces the pressure and deformation through the first buffer cavity arranged in the inner circumferential direction of the first buffer part, at this time, the reduced pressure is transmitted to the second buffer part through the connecting part, the second buffer part can reduce the deformation through the smaller pressure of the second buffer cavity arranged in the inner circumference of the second buffer part, otherwise, when the second buffer part is pressed, the acting force finally transmitted to the first buffer part is also reduced, therefore, by utilizing the combined action of the first buffer part, the first buffer cavity, the connecting part, the second buffer part and the second buffer cavity on the pressure, the acting force borne by the gearbox sealing ring can be effectively reduced, the service life of the gearbox sealing ring is prolonged, and the endurance of the gearbox sealing ring is increased.
The utility model has the beneficial effects that:
in the utility model, the upper ring surface is contacted with the top cover to form end surface sealing, and the lower ring surface and the inner side wall of the mounting groove also form end surface sealing; when the top cover and the gearbox rotate, the first buffer part and the second buffer part are extruded, the shearing stress is generated inside the first buffer part and the second buffer part, and the shearing stress generated at the moment is partially consumed by the first buffer cavity and the second buffer cavity through larger deformation respectively, so that the stress deformation of the whole gearbox sealing ring is reduced, meanwhile, the first buffer part and the second buffer part can generate tiny displacement through the connecting part, the stress deformation of the whole gearbox sealing ring is also reduced, the high pressure resistance of the gearbox sealing ring is comprehensively improved, furthermore, when the first buffer part and the second buffer part are extruded, the displacement generated by the first buffer part and the second buffer part and the deformation of the first buffer cavity and the second buffer cavity can further promote the contact of the outer side surface, the upper inner side surface and the lower inner side surface with the inner side wall and the outer side wall of the mounting groove, and the extrusion sealing effect is generated, meanwhile, due to the wavy shape of the outer side surface, the upper inner side surface and the lower inner side surface, when the outer side surface, the upper inner side surface and the lower inner side surface are in contact with the inner wall of the mounting groove, multiple sealing lines are generated, and the reliability of the sealing effect of the gearbox sealing ring is improved.
In conclusion, the utility model has the following beneficial effects: 1. the sealing ring forms a plurality of sealing lines in the sealing process, namely an end face seal formed by the upper ring face and the top cover, an end face seal formed by the lower ring face and the inner side wall of the mounting groove, an end face seal formed by the sealing ring and the bottom of the mounting groove and a plurality of sealing lines formed by the outer side wall, the upper inner side wall, the lower inner side wall and the inner side wall of the mounting groove, so that the reliability of the sealing effect of the sealing ring is improved; 2. in the process of high-speed rotation of the gearbox, the sealing ring effectively reduces stress deformation of the sealing ring through the combined action of the first buffering part, the first buffering cavity, the connecting part, the second buffering part and the second buffering cavity, the high-pressure resistance of the sealing ring is comprehensively improved, and the service life of the sealing ring is prolonged.
Drawings
The utility model is described in further detail below with reference to the figures and specific embodiments.
FIG. 1 is a schematic perspective view of a seal ring for a transmission according to the present invention;
FIG. 2 is a schematic cross-sectional view of a seal ring for a transmission according to the present invention;
fig. 3 is a schematic top view of a transmission seal ring according to the present invention.
The labels in the figure are: 1. an upper annulus; 2. a lower annulus; 3. an outer side surface; 31. a protrusion; 32. a groove; 4. an upper inner side; 5. a lower medial side; 6. a first buffer chamber; 7. a second buffer chamber; 8. a first buffer section; 9. a second buffer section; 10. a connecting portion.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
A gearbox seal ring, as shown in fig. 1-3, comprising an upper ring surface 1, a lower ring surface 2, an outer side surface 3, an upper inner side surface 4 and a lower inner side surface 5;
the top of the outer side surface 3 is provided with an upper ring surface 1, the middle position of the outer side surface 3 is provided with a lower ring surface 2, the gearbox sealing ring is matched with the top cover through the upper ring surface 1, the contact surface is an end surface, the gearbox sealing ring is matched with the groove body of the mounting groove through the lower ring surface 2, and the contact surface is also an end surface;
an upper inner side surface 4 and a lower inner side surface 5 are arranged at opposite positions of the outer side surface 3, the upper inner side surface 4 is positioned below the upper ring surface 1 and above the lower ring surface 2, and the lower inner side surface 5 is positioned below the lower ring surface 2;
the rubber filled among the outer side surface 3, the upper inner side surface 4 and the upper ring surface 1 forms a first buffer part 8, a plurality of first buffer cavities 6 are circumferentially arranged in the first buffer part 8, a second buffer part 9 is formed by the rubber filled among the outer side surface 3, the lower inner side surface 5 and the lower ring surface 2, a plurality of second buffer cavities 7 are circumferentially arranged in the second buffer part 9, a connecting part 10 is arranged between the first buffer part 8 and the second buffer part 9, the first buffer cavities 6 and the second buffer cavities 7 are closed cavities with any shapes, in the embodiment, the number ratio of the second buffer cavities 7 to the first buffer cavities 6 is 2:1, when the variable speed sealing element is extruded, the first buffer part 8 reduces the pressure received by the first buffer cavities 6 through the inner circumferential direction thereof to reduce the deformation, at this moment, the reduced pressure is transmitted to the second buffer part 9 through the connecting part 10, the second buffer part 9 can reduce the deformation by arranging the second buffer cavity 7 in the inner circumference direction of the second buffer part 9, otherwise, the acting force finally transmitted to the first buffer part 8 is also reduced when the second buffer part 9 is subjected to the pressure, and the acting force applied to the gearbox sealing ring can be effectively reduced by utilizing the combined action of the first buffer part 8, the first buffer cavity 6, the connecting part 10, the second buffer part 9 and the second buffer cavity 7 on the pressure, so that the service life of the gearbox sealing ring is prolonged, and the bearing capacity of the gearbox sealing ring is improved;
Installation and use principle: placing the lower annular surface 2 of the gearbox seal into the bottom of a mounting groove on the gearbox, enabling the upper annular surface 1 to be positioned at the top of the mounting groove, ensuring that the lower annular surface 2, the upper inner side surface 4 and the lower inner side surface 5 are respectively contacted with the inner wall of the mounting groove, covering a top cover, and finishing mounting; when the top cover is covered, the upper ring surface 1 is in contact with the top cover to form end face seal, the lower ring surface 2 and the inner side wall of the mounting groove also form end face seal, meanwhile, when the top cover and the gearbox are covered to rotate, the first buffer part 8 and the second buffer part 9 can be extruded, the inside of the first buffer part 8 and the second buffer part 9 generates shearing stress, part of the shearing stress generated at the moment is consumed by the first buffer cavity 6 and the second buffer cavity 7 through larger deformation respectively, the stress deformation of the whole gearbox sealing ring is reduced, meanwhile, through the connecting part 10, the first buffer part 8 and the second buffer part 9 can generate micro displacement, the stress deformation of the whole gearbox sealing ring is also reduced, the high pressure resistance of the gearbox sealing ring is comprehensively improved, and further, when the first buffer part 8 and the second buffer part 9 can be extruded, the displacement generated by the first buffer part 8 and the second buffer part 9 and the deformation of the first buffer cavity 6 and the second buffer cavity 7 can promote the outer side surface 3, Go up medial surface 4, down medial surface 5 and the contact of the inside and outside wall of mounting groove, produce the sealed effect of extrusion, simultaneously, because lateral surface 3, last medial surface 4, the wave shape of medial surface 5 down, when they and the contact of mounting groove inner wall, can produce multiple sealing line, improved the reliability of the sealed effect of this kind of gearbox sealing washer.
The foregoing is merely exemplary and illustrative of the present invention, and various modifications, additions and substitutions of the specific embodiments described herein may be made by those skilled in the art without departing from the scope of the utility model as defined in the accompanying claims.
Claims (4)
1. The gearbox sealing ring is characterized by comprising an upper ring surface (1), a lower ring surface (2), an outer side surface (3), an upper inner side surface (4) and a lower inner side surface (5);
the top of the outer side surface (3) is provided with an upper ring surface (1), and the middle of the outer side surface (3) is provided with a lower ring surface (2);
an upper inner side surface (4) and a lower inner side surface (5) are arranged at opposite positions of the outer side surface (3), the upper inner side surface (4) is positioned below the upper ring surface (1) and above the lower ring surface (2), and the lower inner side surface (5) is positioned below the lower ring surface (2);
the rubber filled among the outer side surface (3), the upper inner side surface (4) and the upper ring surface (1) forms a first buffer part (8), the rubber filled among the outer side surface (3), the lower inner side surface (5) and the lower ring surface (2) forms a second buffer part (9), and a connecting part (10) is arranged between the first buffer part (8) and the second buffer part (9);
the novel corrugated paper is characterized in that a plurality of grooves (31) and a plurality of protrusions (32) are arranged on the outer side face (3), the upper inner side face (4) and the lower inner side face (5), the grooves (31) and the protrusions (32) are sequentially and alternately arranged, and the outer side face (3), the upper inner side face (4) and the lower inner side face (5) are wavy.
2. The gearbox seal ring according to claim 1, characterized in that the interior of the first buffer (8) is provided with a plurality of first buffer chambers (6) in the circumferential direction and the interior of the second buffer (9) is provided with a plurality of second buffer chambers (7) in the circumferential direction.
3. Gearbox sealing ring according to claim 2, characterised in that the first (6) and second (7) buffer chambers are closed cavities of any shape.
4. Gearbox sealing ring according to claim 2, characterised in that the ratio of the number of second buffer chambers (7) to the number of first buffer chambers (6) is 2: 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023262810.4U CN215634874U (en) | 2020-12-30 | 2020-12-30 | Gearbox sealing ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023262810.4U CN215634874U (en) | 2020-12-30 | 2020-12-30 | Gearbox sealing ring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215634874U true CN215634874U (en) | 2022-01-25 |
Family
ID=79888253
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023262810.4U Active CN215634874U (en) | 2020-12-30 | 2020-12-30 | Gearbox sealing ring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215634874U (en) |
-
2020
- 2020-12-30 CN CN202023262810.4U patent/CN215634874U/en active Active
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