CN220622679U - Sealing assembly of automobile gearbox - Google Patents
Sealing assembly of automobile gearbox Download PDFInfo
- Publication number
- CN220622679U CN220622679U CN202321785631.XU CN202321785631U CN220622679U CN 220622679 U CN220622679 U CN 220622679U CN 202321785631 U CN202321785631 U CN 202321785631U CN 220622679 U CN220622679 U CN 220622679U
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- China
- Prior art keywords
- sealing
- gearbox
- gearbox shell
- assembly
- seal
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- 238000007789 sealing Methods 0.000 title claims abstract description 78
- 230000005540 biological transmission Effects 0.000 claims description 12
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 9
- 239000012535 impurity Substances 0.000 abstract description 4
- 230000008901 benefit Effects 0.000 description 6
- 239000012530 fluid Substances 0.000 description 3
- 238000010030 laminating Methods 0.000 description 2
- 239000000314 lubricant Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 241001330002 Bambuseae Species 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 230000007246 mechanism Effects 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
- 239000012466 permeate Substances 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- General Details Of Gearings (AREA)
Abstract
The utility model relates to the technical field of gearboxes and discloses a sealing assembly of an automobile gearbox, which comprises a gearbox shell, wherein a sealing box cover is arranged on the top surface of the gearbox shell, a limiting hole is formed in the top surface of the sealing box cover, a fixed rod is connected in the limiting hole, nuts are fixedly connected at the corners of the top of the sealing box cover respectively, a threaded rod is connected to the bottom of the nuts, a connecting piece is arranged on the inner side of the bottom of the sealing box cover, and a sealing groove is formed in the bottom surface of the connecting piece. According to the utility model, the connecting piece is fixed at the bottom of the gearbox shell through the fixing rod, the fixing rod can strengthen the connection stability of the sealing box cover and the gearbox shell, the position of the fixing rod can be limited through the limiting hole, the connecting part of the gearbox shell and the sealing box cover can be sealed through the sealing gasket, and impurities are prevented from entering the box or oil is prevented from seeping out of the box, so that the effect of sealing the box body is achieved.
Description
Technical Field
The utility model relates to the technical field of gearboxes, in particular to a sealing assembly of an automobile gearbox.
Background
The seal assembly of a transmission is usually an oil seal and its assembly, the oil seal is the usual name of a common seal, simply referred to as a lubricant seal, which is a mechanical element used to seal grease, and it isolates the parts of the transmission that need lubrication from the output parts from leakage of lubricant, static and dynamic seals are called oil seals, which harden over time and lose plasticizer over time, this process being exacerbated by the continual alternating operating temperatures of cooling and heating.
According to the search, chinese patent literature, bulletin number: CN216242203U discloses a seal end cover of gearbox, this seal end cover of gearbox, through the joint mechanism that sets up, under the effect of screw thread section of thick bamboo, the handle can drive the threaded rod and remove left along the horizontal direction, when the threaded rod right side breaks away from first recess, can drive trapezoidal fixture block and follow vertical direction downwardly moving, and enter into inside the trapezoidal recess, can be convenient for install and dismantle lid and connecting rod, when the inside trouble of gearbox, when carrying out the maintenance, convenient to detach has improved maintenance personal's work efficiency to a certain extent, through the fixed establishment who sets up, can make bearing and lid fixed, can prevent that the phenomenon that the pivot from taking place the skew, ensure that the pivot can normal work. However, when the sealing end cover of the gearbox is used for a long time, the fitting degree of the sealing assembly and the oil seal is easy to be reduced, the sealing effect of the oil seal is reduced, and thus the oil leakage or oil leakage occurs.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides a sealing component of an automobile gearbox, which has the advantages of improving the fitting degree of the sealing component and an oil seal so as to achieve the effect of avoiding oil seepage or oil leakage and solve the technical problems.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a seal assembly of car gearbox, includes the gearbox shell, the top surface mounting of gearbox shell has sealed case lid, spacing hole has been seted up to the top surface of sealed case lid, the internal connection of spacing hole has the dead lever, just the top corner of sealed case lid is fixedly connected with nut respectively, the bottom of nut is connected with the threaded rod, just the connecting piece is installed to the bottom inboard of sealed case lid, the closed groove has been seted up to the bottom surface of connecting piece, the top surface mounting of gearbox shell has seal assembly, seal assembly's outside surface is provided with the oil blanket, just the sealed pad of four sides of gearbox shell top surface is installed.
Preferably, the corners of the top surfaces of the gearbox shell and the sealing gasket are respectively provided with a mounting hole, and the left side and the right side of the top surface of the gearbox shell are respectively provided with a fixing screw hole.
Through above-mentioned technical scheme, can seal the junction of gearbox shell and sealed case lid through sealed pad, avoid impurity to get into the incasement or outside the fluid infiltration case to reach the effect of sealed box.
Preferably, the top left and right sides of connecting piece has seted up penetrating through-hole from top to bottom respectively, the lower extreme of dead lever passes spacing hole and through-hole and links to each other with the connecting piece, just the bottom of dead lever is connected with the fixed screw respectively.
Through above-mentioned technical scheme, be fixed in the bottom inboard of gearbox shell through the dead lever with the connecting piece to can consolidate the connection steadiness of sealed case lid and gearbox shell through the dead lever, can restrict the position of dead lever through spacing hole, and can avoid the dead lever to damage because of external force.
Preferably, the top of the threaded rod is connected with a nut, and the bottom of the threaded rod penetrates through the sealing box cover to be respectively connected with mounting holes at the top of the gearbox shell and the sealing gasket.
Through above-mentioned technical scheme, fix gearbox shell and sealed case lid's four sides through threaded rod and mounting hole to through the connection of gearbox shell and sealed case lid, can make the sealing pad more inseparable with sealed case lid laminating, in order to reach sealed effect.
Preferably, the annular groove is formed in the top surface of the gearbox shell, the sealing assembly and the oil seal are located at the top of the gearbox shell through the annular groove, the top of the sealing assembly and the top of the oil seal are located in the closed groove respectively, and a limiting plug pin is arranged on the inner side of the sealing assembly.
Through above-mentioned technical scheme, seal assembly and the thickness of oil blanket are the same with the inside diameter of annular groove, and can seal assembly and the top of oil blanket through the closed groove to avoid fluid to flow from seal assembly's top.
Preferably, the inner side front and rear surfaces of the sealing component and the oil seal are respectively provided with a hole groove, and the bottom end of the limiting bolt is connected with the inner side surface of the sealing component through the hole grooves.
Through above-mentioned technical scheme, when putting into annular groove with seal assembly and oil blanket, the rethread spacing bolt restricts seal assembly and oil blanket's position, makes seal assembly and oil blanket can not remove at will in the recess, avoids seal assembly and oil blanket to extrude the recess with the oil blanket because of dislocation removes.
Compared with the prior art, the utility model provides a sealing assembly of an automobile gearbox, which has the following beneficial effects:
1. the thicknesses of the sealing component and the oil seal are the same as the inner diameter of the annular groove, and the top of the sealing component and the top of the oil seal can be sealed through the sealing groove, so that oil is prevented from flowing out of the top of the sealing component, and after the sealing component and the oil seal are placed into the annular groove, the positions of the sealing component and the oil seal are limited through the limiting bolt, so that the sealing component and the oil seal cannot move in the groove at will, and the sealing component and the oil seal are prevented from being extruded out of the groove due to dislocation movement.
2. According to the utility model, the connecting piece is fixed on the inner side of the bottom of the gearbox shell through the fixing rod, the connection stability of the sealing box cover and the gearbox shell can be reinforced through the fixing rod, the position of the fixing rod can be limited through the limiting hole, the fixing rod can be prevented from being damaged by external force, the connecting part of the gearbox shell and the sealing box cover can be sealed through the sealing gasket, and impurities are prevented from entering the box or oil liquid permeates out of the box, so that the effect of sealing the box body is achieved.
Drawings
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is a schematic perspective view of a transmission housing of the present utility model;
FIG. 3 is a schematic cross-sectional view of a closure cap of the present utility model;
fig. 4 is a schematic top view of the transmission housing of the present utility model.
Wherein: 1. a gearbox housing; 101. a mounting hole; 102. fixing the screw holes; 2. sealing the box cover; 21. a limiting hole; 3. a fixed rod; 4. a screw cap; 5. a threaded rod; 6. a connecting piece; 7. closing the groove; 8. a seal assembly; 81. a limit bolt; 9. an oil seal; 10. and a sealing gasket.
Detailed Description
The following description of the embodiments of the present utility model 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 utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Examples
As shown in fig. 1-3, the sealing assembly of the automobile gearbox provided by the utility model comprises a gearbox shell 1, wherein a sealing box cover 2 is arranged on the top surface of the gearbox shell 1, a limiting hole 21 is formed in the top surface of the sealing box cover 2, a fixed rod 3 is connected in the limiting hole 21, nuts 4 are fixedly connected at the corners of the top of the sealing box cover 2 respectively, a threaded rod 5 is connected to the bottom of the nuts 4, a connecting piece 6 is arranged on the inner side of the bottom of the sealing box cover 2, a sealing groove 7 is formed in the bottom surface of the connecting piece 6, a sealing assembly 8 is arranged on the top surface of the gearbox shell 1, an oil seal 9 is arranged on the outer side surface of the sealing assembly 8, and sealing gaskets 10 are arranged on four sides of the top surface of the gearbox shell 1.
Specifically, the corners of the top surfaces of the gearbox housing 1 and the gasket 10 are respectively provided with mounting holes 101, and the left and right sides of the top surface of the gearbox housing 1 are respectively provided with fixing screw holes 102. The sealing gasket 10 has the advantages that the joint of the gearbox shell 1 and the sealing box cover 2 can be sealed, so that impurities are prevented from entering the box or oil is prevented from seeping out of the box, and the effect of sealing the box is achieved.
Specifically, the left and right sides of the top of the connecting piece 6 are respectively provided with a through hole penetrating from top to bottom, the lower end of the fixing rod 3 passes through the limiting hole 21 and the through hole to be connected with the connecting piece 6, and the bottom of the fixing rod 3 is respectively connected with the fixing screw hole 102. The advantage is, is fixed in the bottom inboard of gearbox shell 1 through dead lever 3 with connecting piece 6 to can consolidate the connection steadiness of sealed case lid 2 and gearbox shell 1 through dead lever 3, can restrict the position of dead lever 3 through spacing hole 21, and can avoid dead lever 3 to damage because of external force.
Examples
As shown in fig. 2-4, as an improvement over the previous embodiment. Specifically, the top of the threaded rod 5 is connected with the nut 4, and the bottom of the threaded rod 5 passes through the seal box cover 2 to be connected with the mounting holes 101 at the top of the gearbox casing 1 and the seal gasket 10, respectively. The advantage is that through threaded rod 5 and mounting hole 101 with the four sides of gearbox shell 1 and sealed case lid 2 fixed to through the connection of gearbox shell 1 and sealed case lid 2, can make the sealing pad 10 more inseparable of laminating with sealed case lid 2, in order to reach sealed effect.
Specifically, the annular groove is offered on the top surface of gearbox housing 1, and seal assembly 8 and oil blanket 9 are located the top of gearbox housing 1 through the annular groove, and seal assembly 8 and oil blanket 9's top is located the inside of closing groove 7 respectively, seal assembly 8's inboard is provided with spacing bolt 81. The advantage is that the thickness of seal assembly 8 and oil blanket 9 is the same with the inside diameter of annular groove, and can seal assembly 8 and oil blanket 9's top through closed groove 7 to avoid fluid to flow from seal assembly 8's top.
Specifically, the front and rear surfaces of the inner sides of the sealing component 8 and the oil seal 9 are respectively provided with a hole groove, and the bottom end of the limiting bolt 81 is connected with the inner side surface of the sealing component 8 through the hole groove. The advantage is, after putting into annular groove with seal assembly 8 and oil blanket 9, the rethread spacing bolt 81 restricts seal assembly 8 and oil blanket 9's position, makes seal assembly 8 and oil blanket 9 can not remove at will in the recess, avoids seal assembly 8 and oil blanket 9 to extrude the recess with oil blanket 9 because of dislocation removes.
Working principle: when in use, the four sides of the gearbox shell 1 and the sealing box cover 2 are fixed through the threaded rod 5 and the mounting hole 101, and the sealing gasket 10 and the sealing box cover 2 are tightly attached through the connection of the gearbox shell 1 and the sealing box cover 2, the top of the sealing assembly 8 and the top of the oil seal 9 can be sealed through the sealing groove 7, so that oil is prevented from flowing out from the top of the sealing assembly 8, when the sealing assembly 8 and the oil seal 9 are placed into the annular groove, the positions of the sealing assembly 8 and the oil seal 9 are limited through the limiting bolt 81, the sealing assembly 8 and the oil seal 9 can not move randomly in the groove, and the sealing assembly 8 and the oil seal 9 are prevented from extruding the oil seal 9 out of the groove due to dislocation movement.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A sealing assembly for a motor vehicle gearbox, comprising a gearbox housing (1), characterized in that: the utility model discloses a gearbox, including gearbox shell (1), sealed case lid (2) is installed to the top surface of gearbox shell (1), spacing hole (21) has been seted up to the top surface of sealed case lid (2), the internal connection of spacing hole (21) has dead lever (3), just top corner of sealed case lid (2) is fixedly connected with nut (4) respectively, the bottom of nut (4) is connected with threaded rod (5), just connecting piece (6) are installed to the bottom inboard of sealed case lid (2), closing groove (7) have been seted up to the bottom surface of connecting piece (6), seal assembly (8) are installed to the top surface of gearbox shell (1), seal assembly (8) outside surface is provided with oil blanket (9), just sealed pad (10) are installed on the four sides of gearbox shell (1) top surface.
2. A seal assembly for an automotive transmission as defined in claim 1, wherein: the transmission case is characterized in that mounting holes (101) are respectively formed in the corners of the top surfaces of the transmission case (1) and the sealing gasket (10), and fixing screw holes (102) are respectively formed in the left side and the right side of the top surface of the transmission case (1).
3. A seal assembly for an automotive transmission as defined in claim 1, wherein: the left and right sides at the top of connecting piece (6) has seted up penetrating through-hole from top to bottom respectively, the lower extreme of dead lever (3) passes spacing hole (21) and through-hole and links to each other with connecting piece (6), just the bottom of dead lever (3) is connected with fixed screw (102) respectively.
4. A seal assembly for an automotive transmission as defined in claim 1, wherein: the top of the threaded rod (5) is connected with the screw cap (4), and the bottom of the threaded rod (5) penetrates through the sealing box cover (2) to be connected with the mounting holes (101) at the tops of the gearbox shell (1) and the sealing gasket (10) respectively.
5. A seal assembly for an automotive transmission as defined in claim 1, wherein: annular grooves are formed in the top surface of the gearbox shell (1), the sealing assembly (8) and the oil seal (9) are located at the top of the gearbox shell (1) through the annular grooves, the top of the sealing assembly (8) and the top of the oil seal (9) are located in the sealing groove (7) respectively, and a limiting plug pin (81) is arranged on the inner side of the sealing assembly (8).
6. A seal assembly for an automotive transmission as defined in claim 5, wherein: the inner side front and rear surfaces of the sealing component (8) and the oil seal (9) are respectively provided with a hole groove, and the bottom end of the limiting bolt (81) is connected with the inner side surface of the sealing component (8) through the hole grooves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321785631.XU CN220622679U (en) | 2023-07-07 | 2023-07-07 | Sealing assembly of automobile gearbox |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321785631.XU CN220622679U (en) | 2023-07-07 | 2023-07-07 | Sealing assembly of automobile gearbox |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220622679U true CN220622679U (en) | 2024-03-19 |
Family
ID=90211643
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321785631.XU Active CN220622679U (en) | 2023-07-07 | 2023-07-07 | Sealing assembly of automobile gearbox |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220622679U (en) |
-
2023
- 2023-07-07 CN CN202321785631.XU patent/CN220622679U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |