CN220416172U - Exhaust valve oil baffle device and electric drive shell - Google Patents
Exhaust valve oil baffle device and electric drive shell Download PDFInfo
- Publication number
- CN220416172U CN220416172U CN202323370614.2U CN202323370614U CN220416172U CN 220416172 U CN220416172 U CN 220416172U CN 202323370614 U CN202323370614 U CN 202323370614U CN 220416172 U CN220416172 U CN 220416172U
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- cavity
- oil
- oil return
- return slope
- exhaust valve
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- 238000005192 partition Methods 0.000 claims abstract description 26
- 239000003921 oil Substances 0.000 abstract description 188
- 239000010687 lubricating oil Substances 0.000 abstract description 10
- 230000000903 blocking effect Effects 0.000 description 4
- 230000005484 gravity Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000003638 chemical reducing agent Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
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Abstract
The utility model discloses an exhaust valve oil baffle device, which comprises an oil baffle plate and a labyrinth cavity, wherein the oil baffle plate is obliquely arranged on the oil inlet side of the labyrinth cavity, an oil baffle cavity is formed between the oil baffle plate and the labyrinth cavity, and the labyrinth cavity is connected with an exhaust valve; the labyrinth cavity comprises a first half cavity and a second half cavity, and the first half cavity and the second half cavity are spliced to form a complete labyrinth cavity; the first half cavity comprises a first lower cavity and a first upper cavity, a first partition plate is arranged between the first lower cavity and the first upper cavity, and a first air inlet hole is formed in the bottom of the first lower cavity; the second half cavity comprises a second lower cavity and a second upper cavity, a second partition plate is arranged between the second lower cavity and the second upper cavity, a second air inlet hole is formed in the second partition plate, and an air outlet hole is formed in the top of the second upper cavity and communicated with the exhaust valve. The utility model also discloses an electric drive shell. According to the utility model, lubricating oil is isolated through the oil baffle plate and the labyrinth cavity, and the balance of the internal pressure and the external pressure of the electric drive shell is ensured through the arrangement of the first air inlet hole, the second air inlet hole and the air outlet hole.
Description
Technical Field
The utility model relates to the technical field of electric drive shells, in particular to an exhaust valve oil blocking device and an electric drive shell.
Background
The electric drive system is provided with a speed reducer gear, a jackshaft gear and an input shaft gear, lubricating oil is injected into an electric drive shell, and the speed reducer gear, the jackshaft gear and the input shaft gear stir the lubricating oil in the operation process, so that the lubricating oil is brought into bearings of the gears for lubrication. The top of the electric drive shell is usually provided with an exhaust valve, and lubricating oil is easy to enter the exhaust valve in the stirring process, so that oil gas is sprayed out together.
Therefore, it is necessary to design an exhaust valve oil blocking device and an electric drive housing capable of preventing oil from being discharged through the exhaust valve.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art and provides an exhaust valve oil baffle device and an electric drive shell, which can prevent oil from being discharged through an exhaust valve.
The technical scheme of the utility model provides an exhaust valve oil baffle device, which comprises an oil baffle plate and a labyrinth cavity, wherein the oil baffle plate is obliquely arranged on the oil inlet side of the labyrinth cavity, an oil baffle cavity is formed between the oil baffle plate and the labyrinth cavity, and the labyrinth cavity is connected with an exhaust valve;
the labyrinth cavity comprises a first half cavity and a second half cavity, and the first half cavity and the second half cavity are spliced to form a complete labyrinth cavity;
the first half cavity comprises a first lower cavity and a first upper cavity, a first partition plate is arranged between the first lower cavity and the first upper cavity, and a first air inlet hole is formed in the bottom of the first lower cavity;
the second half cavity comprises a second lower cavity and a second upper cavity, a second partition plate is arranged between the second lower cavity and the second upper cavity, a second air inlet hole is formed in the second partition plate, an air outlet hole is formed in the top of the second upper cavity, and the air outlet hole is communicated with the exhaust valve.
Further, the first lower cavity further comprises a first oil return slope and a second oil return slope, and the first air inlet hole is located between the first oil return slope and the second oil return slope.
Further, the first upper cavity comprises a third oil return slope and a fourth oil return slope, an included angle is formed between the third oil return slope and the fourth oil return slope, the second oil return slope and the fourth oil return slope are located on the same straight line, and the third oil return slope is located on one side of the first partition board.
Further, a first oil dam is further arranged on the side wall of the first upper cavity, and the first oil dam is adjacent to the third oil return slope.
Further, the second lower cavity comprises a fifth oil return slope and a sixth oil return slope, an included angle is formed between the fifth oil return slope and the sixth oil return slope, the first oil return slope corresponds to the fifth oil return slope, and the second oil return slope corresponds to the sixth oil return slope.
Further, the second upper cavity comprises a seventh oil return slope and an eighth oil return slope, an included angle is formed between the seventh oil return slope and the eighth oil return slope, the seventh oil return slope is located on one side of the second partition board, the eighth oil return slope and the sixth oil return slope are located on the same straight line, the seventh oil return slope corresponds to the third oil return slope, and the eighth oil return slope corresponds to the fourth oil return slope.
Further, the air outlet hole is located above the seventh oil return slope.
Further, a second oil dam is further arranged on the side wall of the second upper cavity, and the second oil dam is adjacent to the seventh oil return slope.
The utility model also provides an electric drive shell, which comprises a first electric drive half shell and a second electric drive half shell, and further comprises the exhaust valve oil baffle device of any one of the above, wherein the first half cavity is arranged in the first electric drive half shell, and the second half cavity is arranged in the second electric drive half shell.
Further, an inclined angle is formed between the oil baffle plate and the top surface of the electric drive shell, and a third oil dam is arranged at the inclined angle.
After the technical scheme is adopted, the method has the following beneficial effects:
according to the utility model, lubricating oil is isolated through the oil baffle plate and the labyrinth cavity, and the balance of the internal pressure and the external pressure of the electric drive shell is ensured through the arrangement of the first air inlet hole, the second air inlet hole and the air outlet hole.
Drawings
The present disclosure will become more readily understood with reference to the accompanying drawings. It should be understood that: the drawings are for illustrative purposes only and are not intended to limit the scope of the present utility model. In the figure:
FIG. 1 is a perspective view of an electro-drive housing according to an embodiment of the present utility model;
FIG. 2 is a schematic view of the interior of a first electrically driven half-shell according to an embodiment of the present utility model;
FIG. 3 is an enlarged view of a portion of a first electrically driven half-shell in accordance with an embodiment of the present utility model;
FIG. 4 is a schematic illustration of the interior of a second electrically driven half-shell in accordance with an embodiment of the present utility model;
FIG. 5 is an enlarged view of a portion of a second electrically driven half-shell in accordance with an embodiment of the present utility model;
fig. 6 is a partial enlarged view of another view of the second electro-active half-shell in an embodiment of the present utility model.
Reference numeral control table:
the oil baffle plate 1, the oil baffle cavity 2 and the third oil dam 5;
first half cavity 3: the first lower cavity 31, the first upper cavity 32, the first partition 33, the first air inlet hole 34, the first oil return slope 311, the second oil return slope 312, the third oil return slope 321, the fourth oil return slope 322 and the first oil dam 323;
second half cavity 4: the second lower cavity 41, the second upper cavity 42, the second partition plate 43, the second air inlet hole 44, the air outlet hole 45, the fifth oil return slope 411, the sixth oil return slope 412, the seventh oil return slope 421 and the eighth oil return slope 422;
a first electro-drive half-shell 10, a second electro-drive half-shell 20.
Detailed Description
Specific embodiments of the present utility model will be further described below with reference to the accompanying drawings.
It is to be readily understood that, according to the technical solutions of the present utility model, those skilled in the art may replace various structural modes and implementation modes with each other without changing the true spirit of the present utility model. Accordingly, the following detailed description and drawings are merely illustrative of the utility model and are not intended to be exhaustive or to limit the utility model to the precise form disclosed.
Terms of orientation such as up, down, left, right, front, rear, front, back, top, bottom, etc. mentioned or possible to be mentioned in the present specification are defined with respect to the configurations shown in the drawings, which are relative concepts, and thus may be changed according to different positions and different use states thereof. These and other directional terms should not be construed as limiting terms.
In some embodiments of the utility model, as shown in fig. 2-5, the exhaust valve oil baffle device comprises an oil baffle plate 1 and a labyrinth cavity, wherein the oil baffle plate 1 is obliquely arranged on the oil inlet side of the labyrinth cavity, an oil baffle cavity 2 is formed between the oil baffle plate 1 and the labyrinth cavity, and the labyrinth cavity is connected with the exhaust valve;
the labyrinth cavity comprises a first half cavity 3 and a second half cavity 4, and the first half cavity 3 and the second half cavity 4 are spliced to form a complete labyrinth cavity;
the first half cavity 3 comprises a first lower cavity 31 and a first upper cavity 32, a first partition plate 33 is arranged between the first lower cavity 31 and the first upper cavity 32, and a first air inlet hole 34 is arranged at the bottom of the first lower cavity 31;
the second half cavity 4 comprises a second lower cavity 41 and a second upper cavity 42, a second partition board 43 is arranged between the second lower cavity 41 and the second upper cavity 42, a second air inlet hole 44 is arranged on the second partition board 43, an air outlet hole 45 is formed in the top of the second upper cavity 42, and the air outlet hole 45 is communicated with the exhaust valve.
Specifically, as shown in fig. 1, the electro-mechanical housing includes a first electro-mechanical half-shell 10 and a second electro-mechanical half-shell 20.
As shown in fig. 2 and 4, the oil baffle plate 1 includes two parts, one part being provided on the first electro-drive half-shell 10 and the other part being provided on the second electro-drive half-shell 20. The oil baffle plate 1 is obliquely arranged above the first electric drive half shell 10 and the second electric drive half shell 20 and is positioned on the oil inlet side of the labyrinth cavity, wherein the oil inlet side refers to the side on which lubricating oil splashes, the left side in fig. 2 is the oil inlet side, and the right side in fig. 4 is the oil inlet side.
As shown in fig. 2, a first half cavity 3 of the labyrinth cavity is arranged on a first electric drive half shell 10, an oil baffle plate 1 is obliquely arranged towards the first half cavity 3, and an oil baffle cavity 2 is formed between the oil baffle plate 1 and the first half cavity 3.
When lubricating oil in the electric drive shell is stirred by the gears, the oil baffle plate 1 prevents part of oil from splashing to the labyrinth cavity, part of oil can enter the oil baffle cavity 2 after passing through the oil baffle plate 1, is buffered in the oil baffle cavity 2, and then flows downwards along the inclined surface of the oil baffle plate 1, so that the oil entering the labyrinth cavity is reduced.
As shown in fig. 3, the surface of the first half cavity 3 facing the oil baffle plate 1 is also an inclined surface, and the oil entering the oil baffle cavity 2 flows downwards along the inclined surface, so that the oil entering the labyrinth cavity is reduced.
The first half cavity 3 comprises a first lower cavity 31 and a first upper cavity 32, a first partition plate 33 is arranged between the first lower cavity 31 and the first upper cavity 32, and a first air inlet hole 34 is arranged at the bottom of the first lower cavity 31.
The first air inlet hole 34 is used for air circulation, the first air inlet hole 34 is communicated with the second air inlet hole 44 and the air outlet hole 45, and the internal air pressure and the external air pressure of the electric drive shell are balanced.
When a small amount of oil enters the first lower chamber 31 through the first air inlet hole 34, the oil flows out of the labyrinth chamber again through the first air inlet hole 34 because the first air inlet hole 34 is arranged at the bottom of the first lower chamber 31.
Since the first partition 33 is provided between the first lower chamber 31 and the first upper chamber 32, the first partition 33 functions to block the oil from entering the first upper chamber 32.
As shown in fig. 5, the second half cavity 4 includes a second lower cavity 41 and a second upper cavity 42, a second partition plate 43 is disposed between the second lower cavity 41 and the second upper cavity 42, a second air inlet hole 44 is disposed on the second partition plate 43, and an air outlet hole 45 is disposed at the top of the second upper cavity 42, and the air outlet hole 45 is communicated with the air outlet valve.
The second lower chamber 41 corresponds to the first lower chamber 31, and a small amount of oil enters the first lower chamber 31 and the second lower chamber 41, and then may enter the second upper chamber 42 through the second air inlet 44. Because the air outlet hole 45 is arranged at the top of the second upper cavity 42, the oil entering the second upper cavity 42 still flows out along the second air inlet hole 44, and is not easy to enter the air outlet hole 45 at the top, so that the oil is further prevented from entering the exhaust valve.
In the embodiment, lubricating oil is isolated through the oil baffle plate and the labyrinth cavity, and the balance of the internal pressure and the external pressure of the electric drive shell is ensured through the arrangement of the first air inlet hole, the second air inlet hole and the air outlet hole.
Further, as shown in fig. 3, the first lower cavity 31 further includes a first oil return slope 311 and a second oil return slope 312, and the first air intake hole 34 is located between the first oil return slope 311 and the second oil return slope 312.
Specifically, the first lower cavity 31 is surrounded by the first oil return slope 311, the second oil return slope 312 and the first partition 33 to form a triangle, and the first air inlet hole 34 is located at the lowest point of the first lower cavity 31. When the oil enters the first lower chamber 31, the oil flows back to the first intake hole 34 and out of the first lower chamber 31 along the first and second oil return slopes 311 and 312 due to gravity, thereby reducing the entry of the oil into the first upper chamber 32.
Further, as shown in fig. 3, the first upper cavity 32 includes a third oil return slope 321 and a fourth oil return slope 322, an included angle is formed between the third oil return slope 321 and the fourth oil return slope 322, the second oil return slope 312 and the fourth oil return slope 322 are located on the same straight line, and the third oil return slope 321 is located at one side of the first partition 33.
Specifically, the first upper cavity 32 is also a triangular wall, and an included angle is formed between the third oil return slope 321 and the fourth oil return slope 322. When oil enters the first upper chamber 32, it flows along the third and fourth oil return slopes 321, 322 to the second intake port 44 and out of the first upper chamber 32 due to gravity.
Further, as shown in fig. 3, a first oil dam 323 is further disposed on a side wall of the first upper chamber 32, and the first oil dam 323 is adjacent to the third oil return slope 321.
Specifically, the first oil dam 323 protrudes inward from other side walls of the first upper chamber 32, and when the oil enters the first upper chamber 32, the first oil dam 323 can block the oil from entering the air outlet hole 45.
Further, as shown in fig. 5-6, the second lower cavity 41 includes a fifth oil return slope 411 and a sixth oil return slope 412, an included angle is formed between the fifth oil return slope 411 and the sixth oil return slope 412, the first oil return slope 311 corresponds to the fifth oil return slope 411, and the second oil return slope 312 corresponds to the sixth oil return slope 412.
Specifically, the second lower cavity 41 is surrounded by a fifth oil return slope 411, a sixth oil return slope 412 and a second baffle 43 to form a triangular cavity. As the oil enters the second lower chamber 41, it flows down the fifth and sixth oil return slopes 411 and 412 and finally is discharged from the first intake hole 34.
Further, as shown in fig. 5-6, the second upper cavity 42 includes a seventh oil-return slope 421 and an eighth oil-return slope 422, an included angle is formed between the seventh oil-return slope 421 and the eighth oil-return slope 422, the seventh oil-return slope 421 is located at one side of the second partition 43, the eighth oil-return slope 422 and the sixth oil-return slope 412 are located on the same straight line, the seventh oil-return slope 421 and the third oil-return slope 321 correspond, and the eighth oil-return slope 422 and the fourth oil-return slope 322 correspond.
Specifically, the second upper chamber 42 corresponds to the first upper chamber 32, and when oil enters the second upper chamber 42, the oil flows down the seventh oil return slope 421 and the eighth oil return slope 422 to the second air intake hole 44 due to gravity. Since the eighth oil return slope 422 and the sixth oil return slope 412 are located on the same straight line, after the oil flows into the second lower chamber 41 from the second air inlet hole 44, the oil continues to flow along the sixth oil return slope 412 to the first air inlet hole 34, and finally flows out of the labyrinth chamber from the first air inlet hole 34.
Further, as shown in fig. 5-6, the air outlet hole 45 is located above the seventh oil return slope 421, and since the seventh oil return slope 421 corresponds to the third oil return slope 321, the air outlet hole 45 is also located above the third oil return slope 321, and the first oil dam 323 at the third oil return slope 321 can further block the oil, so that the oil is prevented from entering the air outlet hole 45.
Preferably, a second oil dam is further disposed on the outer sidewall of the second upper cavity 42, the second oil dam corresponds to the first oil dam 323, and the second oil dam is adjacent to the seventh oil return slope 421. The second dam also serves to block oil from entering the air outlet hole 45, and increases difficulty in climbing up the oil.
The utility model also provides an electric drive shell, which comprises a first electric drive half shell 10 and a second electric drive half shell 20 as shown in fig. 1, 2 and 4, and further comprises the exhaust valve oil baffle device of any embodiment, wherein the first half cavity 3 is arranged in the first electric drive half shell 10, and the second half cavity 4 is arranged in the second electric drive half shell 20.
Further, as shown in fig. 2, an inclined angle is formed between the oil baffle plate 1 and the top surface of the electric drive housing, and a third oil dam 5 is provided at the inclined angle.
The third oil dam 5 protrudes out of the oil blocking cavity 2, and can prevent oil from entering the third oil dam 5, so that the oil is reduced from being retained in an included angle between the oil blocking plate 1 and the labyrinth cavity.
According to the utility model, lubricating oil is isolated through the oil baffle plate and the labyrinth cavity, part of the oil can be blocked by the oil baffle cavity and the third oil dam, and the interior of the labyrinth cavity comprises a plurality of cavities and oil return slopes, so that the entry of the oil is further blocked. In addition, the positions of the air inlet holes and the air outlet holes are arranged, so that the entry of oil can be further blocked, and finally the entry of the oil into the exhaust valve is avoided.
What has been described above is merely illustrative of the principles and preferred embodiments of the present utility model. It should be noted that several other variants are possible to those skilled in the art on the basis of the principle of the utility model and should also be considered as the scope of protection of the present utility model.
Claims (10)
1. The exhaust valve oil baffle device is characterized by comprising an oil baffle plate and a labyrinth cavity, wherein the oil baffle plate is obliquely arranged on the oil inlet side of the labyrinth cavity, an oil baffle cavity is formed between the oil baffle plate and the labyrinth cavity, and the labyrinth cavity is connected with the exhaust valve;
the labyrinth cavity comprises a first half cavity and a second half cavity, and the first half cavity and the second half cavity are spliced to form a complete labyrinth cavity;
the first half cavity comprises a first lower cavity and a first upper cavity, a first partition plate is arranged between the first lower cavity and the first upper cavity, and a first air inlet hole is formed in the bottom of the first lower cavity;
the second half cavity comprises a second lower cavity and a second upper cavity, a second partition plate is arranged between the second lower cavity and the second upper cavity, a second air inlet hole is formed in the second partition plate, an air outlet hole is formed in the top of the second upper cavity, and the air outlet hole is communicated with the exhaust valve.
2. The exhaust valve oil deflector of claim 1, wherein the first lower chamber further comprises a first oil return slope and a second oil return slope, the first intake aperture being located between the first oil return slope and the second oil return slope.
3. The exhaust valve oil baffle device according to claim 2, wherein the first upper cavity comprises a third oil return slope and a fourth oil return slope, an included angle is formed between the third oil return slope and the fourth oil return slope, the second oil return slope and the fourth oil return slope are located on the same straight line, and the third oil return slope is located on one side of the first partition board.
4. The exhaust valve oil deflector of claim 3, wherein a first dam is further provided on a sidewall of the first upper chamber, the first dam being adjacent the third oil return slope.
5. The exhaust valve oil baffle device according to claim 3, wherein the second lower cavity comprises a fifth oil return slope and a sixth oil return slope, an included angle is formed between the fifth oil return slope and the sixth oil return slope, the first oil return slope corresponds to the fifth oil return slope, and the second oil return slope corresponds to the sixth oil return slope.
6. The exhaust valve oil baffle device according to claim 5, wherein the second upper cavity includes a seventh oil return slope and an eighth oil return slope, an included angle is formed between the seventh oil return slope and the eighth oil return slope, the seventh oil return slope is located at one side of the second partition plate, the eighth oil return slope and the sixth oil return slope are located on the same straight line, the seventh oil return slope corresponds to the third oil return slope, and the eighth oil return slope corresponds to the fourth oil return slope.
7. The exhaust valve oil deflector of claim 6, wherein the air outlet is located above the seventh oil return slope.
8. The exhaust valve oil deflector of claim 6, wherein a second oil dam is further provided on a sidewall of the second upper chamber, the second oil dam being adjacent to the seventh oil return slope.
9. An electrically driven housing comprising a first electrically driven half-shell and a second electrically driven half-shell, characterized in that it further comprises an exhaust valve oil baffle device according to any one of claims 1-8, said first half-cavity being provided in said first electrically driven half-shell and said second half-cavity being provided in said second electrically driven half-shell.
10. The electro-drive housing of claim 9, wherein the oil baffle forms an oblique angle with a top surface of the electro-drive housing, the oblique angle being provided with a third dam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323370614.2U CN220416172U (en) | 2023-12-12 | 2023-12-12 | Exhaust valve oil baffle device and electric drive shell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323370614.2U CN220416172U (en) | 2023-12-12 | 2023-12-12 | Exhaust valve oil baffle device and electric drive shell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220416172U true CN220416172U (en) | 2024-01-30 |
Family
ID=89646605
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323370614.2U Active CN220416172U (en) | 2023-12-12 | 2023-12-12 | Exhaust valve oil baffle device and electric drive shell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220416172U (en) |
-
2023
- 2023-12-12 CN CN202323370614.2U patent/CN220416172U/en active Active
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