CN221257606U - Oil guide structure of active lubricating oil way of engine - Google Patents
Oil guide structure of active lubricating oil way of engine Download PDFInfo
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- CN221257606U CN221257606U CN202322974550.0U CN202322974550U CN221257606U CN 221257606 U CN221257606 U CN 221257606U CN 202322974550 U CN202322974550 U CN 202322974550U CN 221257606 U CN221257606 U CN 221257606U
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- Prior art keywords
- oil
- shell
- bearing cavity
- engine
- engine shaft
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- 239000003921 oil Substances 0.000 title claims abstract description 174
- 239000010687 lubricating oil Substances 0.000 title claims abstract description 28
- 238000005461 lubrication Methods 0.000 claims abstract description 22
- 238000007789 sealing Methods 0.000 claims abstract description 9
- 239000007921 spray Substances 0.000 claims abstract description 5
- 238000005507 spraying Methods 0.000 claims description 12
- 238000009434 installation Methods 0.000 claims description 5
- 238000002347 injection Methods 0.000 abstract description 16
- 239000007924 injection Substances 0.000 abstract description 16
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Landscapes
- Lubrication Of Internal Combustion Engines (AREA)
Abstract
The utility model discloses an engine active lubrication oil way oil guide structure which comprises an engine shaft, a sealing cover plate and a shell, wherein a bearing cavity is formed in the shell; the oil-guiding device comprises a shell, and is characterized in that a shell oil duct is formed in the shell and is communicated with a bearing cavity, an oil injection pipe is mounted on the shell, lubricating oil is injected into the bearing cavity along the shell oil duct through the oil injection pipe, an oil collecting groove is formed in the bearing cavity, two ends of the oil collecting groove are connected with oil-guiding ribs, and the oil-guiding ribs extend to the inner wall of the bearing cavity; the engine shaft is provided with a central hole, and the engine shaft is provided with an oil outlet part vertically communicated with the central hole. The lubricating oil is input into the bearing cavity along the oil duct of the shell through the oil spray hole, is led into the oil collecting groove along the oil guide rib and is collected, and smoothly enters the engine shaft to ensure the lubricating oil quantity.
Description
Technical Field
The utility model belongs to the technical field of gearbox lubrication components, and particularly relates to an oil guide structure of an active lubrication oil way of an engine.
Background
The working efficiency of the hybrid gearbox is directly influenced on the power performance and the fuel economy of the whole vehicle as a key component in the hybrid electric vehicle; in a certain five-shaft hybrid gearbox, one end of an engine shaft is connected with a power source for input, a jaw electromagnetic clutch and an intermediate gear are arranged on the shaft, the jaw electromagnetic clutch is connected with the shaft through a spline, the intermediate gear is connected with the shaft through a needle bearing, and when the spline and the needle bearing rotate at a high speed, a large amount of heat can be generated due to friction, the service life of parts can be seriously influenced due to overhigh temperature, the parts can be seriously damaged, and potential safety hazards are brought. The lubricating oil has three functions of cooling, heat dissipation, lubrication and cleaning, and can form an oil film on the meshing surface, reduce friction coefficient to play a role of lubrication and simultaneously transfer generated heat to the outside of the shell.
In gearbox lubrication, lubrication modes generally include splash and active lubrication, and oil is conducted inside the engine shaft mainly by the active lubrication. In the prior art, the other side of the bearing cavity is sealed, oil is sprayed into the bearing from the top of the oil spraying pipe, oil is continuously accumulated, when the oil level exceeds the lower edge of the hollow shaft, the oil enters the inside of the shaft, but the oil which initially flows in is influenced by centrifugal force due to the rotation of the bearing, an oil film is formed on the outer ring of the bearing, and the oil cannot smoothly flow into the bearing cavity and cannot flow into the inside of the shaft.
Disclosure of utility model
Aiming at the defects existing in the prior art, the utility model aims to provide an active lubricating oil way oil guide structure of an engine, lubricating oil is input into a bearing cavity along an oil duct of a shell through an oil spray hole and is guided into an oil collecting groove along an oil guide rib to be collected, and the lubricating oil smoothly enters an engine shaft to ensure the lubricating oil quantity.
In order to achieve the above purpose, the utility model provides an engine active lubrication oil way oil guide structure, which comprises an engine shaft, a sealing cover plate and a shell, wherein a bearing cavity is formed in the shell;
The oil-guiding device comprises a shell, a bearing cavity, an oil-spraying pipe, an oil-collecting tank, oil-guiding ribs, a bearing cavity and a lubricating oil pipe, wherein the shell is provided with the oil-spraying pipe for guiding lubricating oil to the bearing cavity, the oil-spraying pipe is arranged on the shell, the lubricating oil sprays oil into the bearing cavity along the oil-spraying pipe, the bearing cavity is internally provided with the oil-collecting tank, the two ends of the oil-collecting tank are connected with the oil-guiding ribs, and the oil-guiding ribs extend to the inner wall of the bearing cavity;
The engine shaft is provided with a central hole, the central hole is communicated with a bearing cavity at the rear end of the engine shaft, and an oil outlet part vertically communicated with the central hole is arranged at the installation position of the needle bearing and the spline of the engine shaft.
Further, the oil injection pipe is detachably arranged on the shell, an oil injection hole is formed in the oil injection pipe, and oil injection is carried out in the bearing cavity along an oil passage of the shell.
Further, the included angle of the two oil guide ribs is 60-75 degrees, and the height of the oil guide ribs is 2mm.
Furthermore, the oil collecting groove is arc-shaped and is welded or embedded into the bearing cavity.
Further, the oil outlet part comprises a first oil outlet, a second oil outlet and a third oil outlet which are sequentially formed in the engine shaft.
Further, the diameter of the first oil outlet hole is 2.5mm, and two oil outlets are symmetrically arranged; the diameter of the second oil outlet hole is 2mm, and 6 oil outlet holes are symmetrically arranged; the diameter of the third oil outlet hole is 1.5mm, and two oil outlets are symmetrically arranged.
The beneficial effects are that:
According to the oil guide structure of the engine active lubricating oil way, the oil injection pipe and the oil duct of the shell are arranged, meanwhile, the oil guide ribs and the oil collecting groove are arranged in the bearing cavity, the oil guide ribs play roles in collecting and guiding oil, and effectively resist centrifugal force generated by high-speed rotation of an engine shaft, and lubricating oil is guided into the oil collecting groove along the oil guide ribs to be collected and smoothly enters the engine shaft; compared with the traditional active lubrication mode, the oil collecting and guiding effects are higher, the device can be suitable for the main shaft of the engine running at high speed, and the lubrication oil quantity is ensured.
Drawings
FIG. 1 is a front view of an oil guiding structure of an active lubrication oil path of an engine;
FIG. 2 is a cross-sectional view A-A of FIG. 1 illustrating the present utility model;
FIG. 3 is a partial view of an oil guiding structure of an active lubrication circuit of an engine according to the present utility model;
FIG. 4 is a schematic view of an engine shaft according to the present utility model;
FIG. 5 is a second schematic diagram of the engine shaft according to the present utility model;
fig. 6 is a schematic structural view of the oil spray pipe according to the present utility model.
In the figure: the oil-collecting device comprises an engine shaft 1, a central hole 11, an oil outlet 12, a first oil outlet 121, a second oil outlet 122, a third oil outlet 123, a sealing cover plate 2, a shell 3, a bearing cavity 31, an oil duct 32, a bearing 4, an oil guiding rib 5, an oil injection pipe 6 and an oil collecting groove 7.
Detailed Description
The preferred embodiments of the present utility model will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present utility model only, and are not intended to limit the present utility model.
As shown in fig. 1-4, an oil guiding structure of an engine active lubrication oil way comprises an engine shaft 1, a sealing cover plate 2 and a shell 3, wherein a bearing cavity 31 is formed in the shell 3, the rear end of the engine shaft 1 is inserted into the bearing cavity 31 and keeps relative rotation with the shell 3 through a bearing 4, the sealing cover plate 2 is arranged on one side of the bearing 4, which is away from the shell 3, and the sealing cover plate 2 is used for sealing the outer end opening side of the bearing 4, so that the bearing cavity 31 forms a closed cavity;
The shell 3 is provided with a shell oil duct 32 for guiding lubricating oil to the bearing cavity 31, the shell oil duct 32 is communicated with the bearing cavity 31 to enable the bearing cavity 31 to form a semi-closed cavity, the shell 3 is provided with an oil injection pipe 6, lubricating oil is injected into the bearing cavity 31 along the shell oil duct 32 through the oil injection pipe 6, the bearing cavity 31 is internally provided with an oil collecting groove 7, two ends of the oil collecting groove 7 are connected with oil guide ribs 5, the oil guide ribs 5 extend to the inner wall of the bearing cavity 31 and form a semi-closed structure together with the oil collecting groove 7, and the lubricating oil is guided to the oil collecting groove 7 through the oil guide ribs 5 and flows into the engine shaft 1;
as shown in fig. 5, the engine shaft 1 is provided with a center hole 11, the center hole 11 is communicated with a bearing cavity 31 at the rear end of the engine shaft 1, lubricating oil is introduced into the center hole 11 through an oil sump 7, the engine shaft 1 is provided with an oil outlet 12 vertically communicated with the center hole 11 at the installation position of the needle bearing and the spline, and the oil is sprayed out from the oil outlet 12 by centrifugal force generated by the rotation of the engine shaft 1, so as to cool and lubricate the needle bearing and the spline respectively.
On the basis of the above embodiment, as shown in fig. 6, the oil injection pipe 6 is detachably mounted on the housing 3, and is supplied with oil by an electronic pump, the oil injection pipe 6 is provided with an oil injection hole 61, oil is injected into the bearing cavity 31 along the housing oil duct 32, the diameter of the oil injection hole 61 is 1.5mm, and vertical oil injection is performed, so that the sprayed oil flows into the bearing 4 along the housing 3, and the center of the oil injection hole 61 is 2mm away from the inner surface of the housing 3.
On the basis of the embodiment, in order to better collect and guide the lubricating oil, the included angle between the two oil guide ribs 5 is 60-75 degrees, the height of the oil guide ribs 5 is 2mm, and the oil guide ribs 5 are welded or embedded in the bearing cavity 31.
On the basis of the above embodiment, the oil collecting groove 7 is arc-shaped, welded or embedded in the bearing cavity 31, and converges toward the middle of the central hole 11, and the oil collecting groove 7 is located at the center of the central hole 11.
On the basis of the above embodiment, the oil outlet 12 includes a first oil outlet 121, a second oil outlet 122, and a third oil outlet 123 sequentially formed on the engine shaft 1, where the first oil outlet 121 and the third oil outlet 123 correspond to the installation positions of the needle bearings on the engine shaft 1, and the second oil outlet 122 corresponds to the installation positions of the splines on the engine shaft 1.
On the basis of the embodiment, in order to ensure the lubrication oil quantity of the needle bearing and the spline without affecting the structural performance and strength of the engine shaft 1, the diameter of the first oil outlet 121 is 2.5mm, and two oil outlets are symmetrically arranged; the diameter of the second oil outlet 122 is 2mm, and 6 second oil outlets are symmetrically arranged; the diameter of the third oil outlet hole 123 is 1.5mm, and two oil outlets are symmetrically arranged.
Working principle:
When the oil guiding structure of the utility model works, lubricating oil is input into the bearing cavity 31 along the shell oil duct 32 by the electronic pump through the oil spraying hole 61, when the lubricating oil enters the bearing cavity 31, the lubricating oil is guided into the oil collecting groove 7 at the central position along the oil guiding rib 5 to be collected, and smoothly enters the central hole 11 of the engine shaft 1, and then the mounting positions of the needle bearings and the spline on the engine shaft 1 are cooled and lubricated through the oil outlet part 12.
According to the utility model, by arranging the oil spraying pipe 6 and the shell oil duct 32 and arranging the oil guide rib 5 and the oil collecting groove 7 in the bearing cavity 31, the problem that lubricating oil cannot enter the engine shaft 1 can be solved; the oil guide ribs 5 play roles in collecting and guiding oil; meanwhile, centrifugal force generated by high-speed rotation of the engine shaft 1 can be effectively resisted, if no oil guide rib 5 exists, the centrifugal force drives lubricating oil to form an oil film on the outer ring of the bearing cavity 31, and subsequent lubricating oil is prevented from flowing into the bearing cavity 31.
The foregoing has outlined and described the basic principles, features, and advantages of the present utility model. It should be understood by those skilled in the art that the foregoing embodiments are merely illustrative of the technical concept and features of the present utility model, and the present utility model can be implemented by those skilled in the art without limiting the scope of the utility model, therefore, all equivalent changes or modifications that are made according to the spirit of the present utility model should be included in the scope of the present utility model.
Claims (6)
1. An engine initiative lubrication oil circuit leads oily structure which characterized in that: the novel engine comprises an engine shaft (1), a sealing cover plate (2) and a shell (3), wherein a bearing cavity (31) is formed in the shell (3), the rear end of the engine shaft (1) is inserted into the bearing cavity (31), the engine shaft and the shell (3) keep relatively rotating through a bearing (4), and the sealing cover plate (2) is arranged on one side, deviating from the shell (3), of the bearing (4);
The oil-guiding device is characterized in that a shell oil duct (32) used for guiding lubricating oil to a bearing cavity (31) is formed in the shell (3), the shell oil duct (32) is communicated with the bearing cavity (31), an oil-spraying pipe (6) is mounted on the shell (3), lubricating oil sprays oil into the bearing cavity (31) along the shell oil duct (32) through the oil-spraying pipe (6), an oil collecting groove (7) is formed in the bearing cavity (31), and oil-guiding ribs (5) are connected to two ends of the oil collecting groove (7), and the oil-guiding ribs (5) extend to the inner wall of the bearing cavity (31);
The engine shaft (1) is provided with a central hole (11), the central hole (11) is communicated with a bearing cavity (31) at the rear end of the engine shaft (1), and the engine shaft (1) is provided with an oil outlet part (12) vertically communicated with the central hole (11) at the installation position of a needle bearing and a spline.
2. The engine active lubrication oil path oil guide structure according to claim 1, wherein: the oil spraying pipe (6) is detachably arranged on the shell (3), the oil spraying pipe (6) is provided with an oil spraying hole (61), and oil is sprayed into the bearing cavity (31) along the shell oil duct (32).
3. The engine active lubrication oil path oil guide structure according to claim 1, wherein: the included angle of the two oil guide ribs (5) is 60-75 degrees, and the height of the oil guide ribs (5) is 2mm.
4. The engine active lubrication oil path oil guide structure according to claim 1, wherein: the oil collecting groove (7) is arc-shaped and is welded or embedded into the bearing cavity (31).
5. The engine active lubrication oil path oil guide structure according to claim 1, wherein: the oil outlet part (12) comprises a first oil outlet (121), a second oil outlet (122) and a third oil outlet (123) which are sequentially formed in the engine shaft (1).
6. The engine active lubrication oil path oil guide structure according to claim 5, wherein: the diameter of the first oil outlet hole (121) is 2.5mm, and two oil outlet holes are symmetrically arranged; the diameter of the second oil outlet holes (122) is 2mm, and 6 second oil outlet holes are symmetrically arranged; the diameter of the third oil outlet hole (123) is 1.5mm, and two oil outlet holes are symmetrically arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322974550.0U CN221257606U (en) | 2023-11-03 | 2023-11-03 | Oil guide structure of active lubricating oil way of engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322974550.0U CN221257606U (en) | 2023-11-03 | 2023-11-03 | Oil guide structure of active lubricating oil way of engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221257606U true CN221257606U (en) | 2024-07-02 |
Family
ID=91663047
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322974550.0U Active CN221257606U (en) | 2023-11-03 | 2023-11-03 | Oil guide structure of active lubricating oil way of engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221257606U (en) |
-
2023
- 2023-11-03 CN CN202322974550.0U patent/CN221257606U/en active Active
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| GR01 | Patent grant |