CN214697990U - Engine oil pan and vehicle - Google Patents
Engine oil pan and vehicle Download PDFInfo
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- CN214697990U CN214697990U CN202120446392.XU CN202120446392U CN214697990U CN 214697990 U CN214697990 U CN 214697990U CN 202120446392 U CN202120446392 U CN 202120446392U CN 214697990 U CN214697990 U CN 214697990U
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Abstract
The embodiment of the application provides an engine oil pan and vehicle, the engine oil pan includes connecting portion, bottom surface and annular platform. The connecting portion are located all sides of oil pan, the annular platform includes first annular platform and second annular platform, first annular platform slope set up in connecting portion with between the second annular platform, second annular platform slope set up in first annular platform with between the bottom surface. The engine oil pan that this application embodiment provided is in connecting portion with be provided with between the bottom surface annular platform has promoted the rigidity and the plane mode of engine oil pan have reduced the vibration amplitude of engine oil pan. The functional stability of the engine oil sump is guaranteed, and meanwhile the overall NVH performance of the engine is effectively improved.
Description
Technical Field
The application belongs to the technical field of engine equipment assembly, and specifically relates to an engine oil pan and a vehicle.
Background
The engine is used as the main power equipment of the fuel automobile and plays a key role in the stable operation of the fuel automobile. The engine oil sump is an important part of the engine and mainly used for storing and providing lubricating oil required by the working cycle of the engine.
The material of traditional engine oil pan is ordinary steel sheet for traditional engine oil pan structure surface is smooth and structural strength is lower, and in actual engine working process, the inside operating noise of engine can be spread by the oil pan, has reduced the NVH performance of engine.
SUMMERY OF THE UTILITY MODEL
An object of this application embodiment is to provide a new technical scheme of engine oil pan and vehicle.
According to a first aspect of the present application, there is provided an engine oil pan comprising:
a connection portion located on a peripheral side of the oil pan;
the annular platform, the annular platform includes first annular platform and second annular platform, first annular platform slope set up in connecting portion with between the second annular platform, second annular platform slope set up in first annular platform with between the bottom surface.
Optionally, the annular platform comprises a plurality of reinforcing ribs extending along the radial direction of the annular platform, and the plurality of reinforcing ribs are radially distributed along the circumferential direction of the annular platform.
Optionally, the first and second annular platforms are inclined at an angle in the range 5-30 ° relative to the surface of the connection.
Optionally, the bottom surface is curved in side cross-section.
Optionally, the height of the ribs is in the range of 4.5-6.5 mm.
Optionally, the connecting portion may be provided with a plurality of mounting holes, and the mounting holes are arranged in one-to-one correspondence with the reinforcing ribs.
Optionally, the first annular platform has a subsidence distance in the range of 3.5-6mm relative to the surface of the connection.
Optionally, the inner side of the first annular platform is circular, elliptical or closed arc-shaped.
Optionally, the engine oil pan is single-layered or multi-layered.
According to a second aspect of the present application, there is provided a vehicle including the engine oil pan of the first aspect.
One technical effect of the embodiment of the application is as follows:
the embodiment of the application provides an engine oil pan, engine oil pan includes connecting portion, bottom surface and annular platform. The engine oil pan that this application embodiment provided is in connecting portion with be provided with between the bottom surface annular platform has promoted the rigidity and the plane mode of engine oil pan have reduced the vibration amplitude of engine oil pan. The functional stability of the engine oil sump is guaranteed, and meanwhile the overall NVH performance of the engine is effectively improved.
Further features of the present application and advantages thereof will become apparent from the following detailed description of exemplary embodiments thereof, which is to be read in connection with the accompanying drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of the specification, illustrate embodiments of the application and together with the description, serve to explain the principles of the application.
FIG. 1 is a schematic structural diagram of an engine oil pan according to an embodiment of the present disclosure;
FIG. 2 is a top view of an engine oil pan according to an embodiment of the present disclosure;
FIG. 3 is a cross-sectional view taken along A-A of FIG. 2;
fig. 4 is a cross-sectional view taken along line B-B of fig. 2.
Wherein: 1-a connecting part; 11-mounting holes; 2-bottom surface; 21-oil drain hole; 3-a ring-shaped platform; 31-a first annular platform; 32-a second annular platform; 4-reinforcing ribs; 5-oil plug.
Detailed Description
Various exemplary embodiments of the present application will now be described in detail with reference to the accompanying drawings. It should be noted that: the relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present application unless specifically stated otherwise.
The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the application, its application, or uses.
Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate.
In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
Referring to fig. 1 to 4, an embodiment of the present application provides an engine oil pan, including:
a connecting portion 1, a bottom surface 2 and an annular platform 3.
The connecting part 1 is located on the periphery of the oil pan, a plurality of mounting holes 11, such as bolt through holes, may be formed in the connecting part 1, and the plurality of mounting holes 11 are sequentially arranged at intervals along the connecting part 1 so as to be connected and fixed with an external skirt; the bottom surface 2 sinks in the hollow position of the connecting part 1, namely the bottom surface 2 is at the bottommost part of the engine oil pan, the outer side of the annular platform 3 is connected to the connecting part 1, and the inner side of the annular platform 3 is connected to the bottom surface 2, so that engine oil is provided for an engine on the oil pan, and the rigidity and the plane mode of the oil pan are enhanced.
Referring to fig. 2 and 3, the annular platform 3 includes a first annular platform 31 and a second annular platform 32, the first annular platform 31 is obliquely disposed between the connecting portion 1 and the second annular platform 32, and the second annular platform 32 is obliquely disposed between the first annular platform 31 and the bottom surface 2.
Specifically, when the first annular platform 31 and the second annular platform 32 are sequentially connected between the connecting portion 1 and the bottom surface 2, as shown in fig. 3, the connecting portion 1 and the first annular platform 31 which is obliquely arranged may be connected through an inclined surface, and both ends of the inclined surface form arc chamfers, the inner side of the first annular platform 31 and the outer side of the second annular platform 32 may also be connected through an inclined surface, and both ends of the inclined surface form arc chamfers, the second annular platform 32 and the bottom surface 2 may also be connected through an inclined surface, and both ends of the inclined surface form arc chamfers, so that the first annular platform 31 and the second annular platform 32 form a smooth multi-step structure, thereby improving the mode of the engine and optimizing the overall NVH performance of the engine. In addition, the number of the annular platform 3 may be one, such as two, three or more in fig. 3, which is not limited in the embodiment of the present application.
Specifically, the structural stress between the annular platform 3 and the connecting part 1 can be reduced by arranging the outer side of the annular platform 3 and the connecting part 1 through an inclined plane and an arc-shaped chamfer; correspondingly, the arrangement of the inclined plane and the arc chamfer angle between the inner side of the annular platform 3 and the bottom surface 2 can also reduce the structural stress between the annular platform 3 and the bottom surface 2.
The engine oil pan that this application embodiment provided is in connecting portion 1 with be provided with between bottom surface 2 annular platform 3 has promoted engine oil pan's rigidity and plane mode have reduced engine oil pan's vibration amplitude. The engine oil pan is convenient to form and low in cost while ensuring the functional stability of the engine oil pan, the overall NVH (Noise, Vibration and Harshness) performance of the engine is effectively improved, and the service life and the stability of the engine oil pan are ensured.
Optionally, referring to fig. 1 and 2, the engine oil pan further includes a plurality of reinforcing ribs 4, the plurality of reinforcing ribs 4 extend in a radial direction of the annular platform 3, and the plurality of reinforcing ribs 4 are radially distributed in a circumferential direction of the annular platform 3. Moreover, each reinforcing rib 4 does not extend to the bottom surface 2 while extending in the radial direction of the annular platform 3, so that the rigidity and the plane mode of the oil pan can be ensured.
Specifically, during operation of the engine, the engine oil pan may generate relatively significant vibration in a radial direction thereof, and may generate relatively large stress in the radial direction of the engine oil pan. And the reinforcing ribs 4 extend along the radial direction of the annular platform 3, so that the stress generated in the radial direction of the engine oil pan can be effectively weakened, and the operation stability of the engine oil pan is ensured. And a plurality of strengthening ribs 4 are radially distributed along the circumference of the annular platform 3, so that the strengthening ribs 4 are arranged at the position of the engine oil pan with larger stress, and the structural strength of the engine oil pan is strengthened in a targeted manner. In addition, the number of the reinforcing ribs 4 may be two, three, four, five or more, which is not limited in the embodiment of the present application.
Alternatively, referring to fig. 3 and 4, the first annular platform 31 and the second annular platform 32 are inclined at an angle ranging from 5 to 30 ° with respect to the surface of the connecting portion 1.
Specifically, this application embodiment is right the inclination of first annular platform 31 and second annular platform 32 has been controlled effectively, has avoided first annular platform 31 and second annular platform 32 give when inclination is too big instability that engine oil pan plane mode brought has promoted engine oil pan's rigidity and plane mode have reduced engine oil pan's vibration amplitude.
Alternatively, referring to fig. 4, the bottom surface 2 is curved in side cross-section.
Specifically, fig. 4 is a cross-sectional view taken along B-B in fig. 2, and it can be seen from fig. 4 that the side cross-section of the bottom surface 2 is an arc-shaped cross-section which extends along the axial direction thereof to form the bottom portion of the bottom surface 2, i.e., the bottom portion of the bottom surface 2 after being cut by a horizontal plane near a horizontal cylinder. The arc structural design of bottom surface 2 can effectively promote the whole NVH performance of engine, guarantees engine oil pan's life and stability.
Alternatively, referring to fig. 2 and 3, the subsidence distance of the first annular platform 31 is in the range of 3.5-6mm, and preferably, the subsidence distance of the first annular platform 31 is in the range of 4-5mm, with respect to the surface of the connecting part 1.
Specifically, the surface of the connection portion 1 may be an upper surface for connecting with an external device, and the first annular platform 31 is connected to the connection portion 1 through an inclined surface, so that the first annular platform 31 sinks for a certain distance relative to the connection portion 1, and the sinking distance of the first annular platform 31 relative to the upper surface of the connection portion 1 is directly related to the oil storage capacity and modal stability of the engine oil pan structure. When the sinking distance of first annular platform 31 is too small, the space of the oil storage chamber that forms in the engine oil pan is less, has reduced the oil storage ability of engine oil pan, and the sinking distance of first annular platform 31 is crossed and can be reduced the modal stability of engine oil pan. And under the condition that the sinking distance range of the first annular platform 31 is 3.5-6mm, the distance range from the upper end of the first annular platform 31 to the upper surface of the connecting part 1 is 3.5-6mm, and the modal stability of the engine oil pan can be improved on the basis of ensuring the oil storage capacity of the engine oil pan structure.
Alternatively, referring to fig. 2, the inner side of the first annular platform 31 is circular, oval or closed arc-shaped. In the case that the inner side of the first annular platform 31 is circular, the diameter of the inner side of the first annular platform 31 ranges from 165 mm to 180mm, and preferably, the diameter of the inner side of the first annular platform 31 may be 175 mm.
In particular, the circular arrangement of the inner side of the first annular platform 31 may also equalize the stress around the first annular platform 31, avoiding stress concentrations on the first annular platform 31. And the control on the inside diameter range of the first annular platform 31 can effectively regulate and control the oil storage capacity and the modal stability of the engine oil pan structure. In addition, the inner side of the first annular platform 31 may also be in a closed arc shape, such as a crescent or a sector.
Alternatively, referring to fig. 2 and 3, the second annular platform 32 may have a sag distance in the range of 5.5-8mm, preferably 6-7mm, relative to the surface of the connection part 1, i.e. the sag distance of the second annular platform 32 relative to the first annular platform 31 is approximately 2 mm.
Specifically, after the second annular platform 32 sinks relative to the first annular platform 31, on one hand, the space of the oil storage cavity formed in the engine oil pan can be increased, and on the other hand, the stepped structure formed by the first annular platform 31 and the second annular platform 32 can also improve the modal stability of the engine oil pan. In addition, referring to fig. 2, the inside of the second annular platform 32 is circular, the diameter of the inside of the second annular platform 32 ranges from 110 mm to 120mm, preferably, the diameter of the inside of the second annular platform 32 can be selected to be 115mm, that is, the second annular platform 32 is circular, the width of the second annular platform 32 ranges from 55 mm to 60mm, and the width is the difference between the radius of the outside of the second annular platform 32 and the radius of the inside of the second annular platform 32, so that the engine oil pan structure can improve the modal stability of the engine oil pan on the basis of ensuring the oil storage capacity of the engine oil pan structure.
Specifically, the height of the reinforcing ribs 4 ranges from 4.5mm to 6.5mm, the height is the distance of the reinforcing ribs 4 protruding out of the annular platform 3, and the circumferential angle of each reinforcing rib 4 occupying the annular platform 3 ranges from 6 ° to 80 °. The central angle corresponding to the annular platform 3 is 360 °, and the circumferential angle may be specifically an angle range in which each reinforcing rib 4 occupies the central angle of the annular platform 3. The strengthening rib 4 can be the arch that the punching press formed on the annular platform 3, when strengthening rib 4 was highly higher, can effectively promote the structural strength of strengthening rib 4 position guarantees the structural stability of engine oil pan. However, when the height of the rib 4 is too high, the rib 4 is not easily molded, and the degree of unevenness of the engine oil pan is increased, which is not advantageous in dispersing the internal stress of the engine oil pan. And the circumferential angle of the annular platform 3 occupied by each reinforcing rib 4 can effectively control the width of the reinforcing rib 4, and the structural strength of the engine oil pan is strengthened in a targeted manner.
In a specific embodiment, referring to fig. 2, 10 reinforcing ribs are radially distributed on the circumferential direction of the annular platform 3, wherein the reinforcing rib with the wider left side is the first reinforcing rib, and the first reinforcing rib, the third reinforcing rib, the fourth reinforcing rib, the fifth reinforcing rib, the sixth reinforcing rib, the seventh reinforcing rib, the eighth reinforcing rib, the ninth reinforcing rib and the tenth reinforcing rib are sequentially included in the clockwise direction. The first reinforcing rib occupies that the circumferential angle of the annular platform 3 is 68 degrees, the height of the first reinforcing rib is 6.5mm, the circumferential angle of the annular platform 3 is 7 degrees, the height of the second reinforcing rib is 4.5mm, the height of the third reinforcing rib is 4.5mm, the circumferential angle of the annular platform 3 is 10.2 degrees, the height of the fourth reinforcing rib is 4.5mm, the fifth reinforcing rib occupies that the circumferential angle of the annular platform 3 is 15.2 degrees, the height of the fifth reinforcing rib is 4.5mm, the sixth reinforcing rib occupies that the circumferential angle of the annular platform 3 is 68 degrees, the height of the sixth reinforcing rib is 6.5mm, the circumferential angle of the annular platform 3 is 13 degrees, the height of the seventh reinforcing rib is 4.5mm, the eighth reinforcing rib occupies that the circumferential angle of the annular platform 3 is 10.8 degrees, the height of this eighth strengthening rib is 4.5mm, and the circumferential angle that this ninth strengthening rib occupied annular platform 3 is 10.1, and the height of this ninth strengthening rib is 4.5mm, and the circumferential angle that this tenth strengthening rib occupied annular platform 3 is 10, and the height of this tenth strengthening rib is 4.5 mm.
Optionally, referring to fig. 1 and 2, a plurality of mounting holes 11 may be formed in the connecting portion 1, and the mounting holes 11 are arranged in one-to-one correspondence with the reinforcing ribs 4.
Specifically, a plurality of the mounting holes 11 are sequentially arranged at intervals along the circumferential direction of the connecting portion 1, and a plurality of the reinforcing ribs 4 extend along the radial direction of the annular platform 3. Mounting hole 11 is when being connected fixedly with outside skirt, can produce great stress around the mounting hole 11, and mounting hole 11 with behind the setting of strengthening rib 4 one-to-one, strengthening rib 4 can show the improvement rigidity around the mounting hole 11 promotes engine oil pan installation and connection stability have simultaneously guaranteed engine oil pan's rigidity and plane mode.
Optionally, the engine oil pan is single-layered or multi-layered.
Specifically, in order to improve the modal performance of the engine oil pan, particularly reduce the noise performance of the engine oil pan, the engine oil pan may be stamped by using a silent steel plate. Under the engine oil pan is the individual layer condition, specifically can be individual layer punching press oil pan, can simplify the structure of engine oil pan makes engine oil pan stamping forming improves the shaping efficiency of engine oil pan. In order to increase the structural strength and stability of the engine oil pan, the engine oil pan can also be formed in multiple layers, specifically, the multiple layers of composite stamping oil pans are adopted, for example, two layers, three layers or more layers of single-layer oil pans are overlapped, then the engine oil pan is formed in a stamping mode, and the multiple layers of oil pans can be bonded by using an adhesive, so that the structural stability of the engine oil pan is improved.
In a specific embodiment, the engine oil pan is formed by stamping double-layer silencing composite steel plate materials. The total thickness of the engine oil pan is 1.5mm, the thickness of each layer of steel plate is 0.75mm, and a polymer damping layer with the thickness of 0.02mm is arranged between the two layers of steel plates. The double-layer structure of the engine oil pan and the combination of the double-layer structure and the polymer damping layer can embody the characteristics of sound insulation, vibration reduction, light weight and high rigidity of the engine oil pan, and the existing stamping process is continued without changing a die. And the punched and formed engine oil sump can bear the processes of electric welding, electrophoresis and the like, and the manufacturing cost cannot be additionally increased.
Alternatively, referring to fig. 4, an oil drain hole 21 is formed in the bottom surface 2, the oil drain hole 21 may be formed by welding a nut to the bottom surface 2, and an oil plug 5 is disposed in the oil drain hole 21. During long-term operation of the engine, impurities may be introduced into the engine oil in the engine oil pan, thereby reducing the quality of the engine oil. In order to facilitate the replacement of the engine oil, the oil drain hole 21 may be provided in the bottom surface 2, and when the engine oil needs to be replaced, the oil plug 5 only needs to be screwed out of the oil drain hole 21, and after the engine oil needs to be replaced is left, the oil plug 5 is screwed back to the oil drain hole 21.
The embodiment of the application also provides a vehicle, and the vehicle comprises the engine oil pan.
Optionally, the engine oil pan is convenient to form and low in cost while ensuring the rigidity and the plane mode of the engine oil pan, the overall NVH performance of the engine is effectively improved, and the safe and stable running of the vehicle is ensured.
Although some specific embodiments of the present application have been described in detail by way of example, it should be understood by those skilled in the art that the above examples are for illustrative purposes only and are not intended to limit the scope of the present application. It will be appreciated by those skilled in the art that modifications may be made to the above embodiments without departing from the scope and spirit of the present application. The scope of the application is defined by the appended claims.
Claims (10)
1. An engine oil pan, comprising:
a connection portion (1) and a bottom surface (2), wherein the connection portion (1) is located on the periphery side of the oil pan;
annular platform (3), annular platform (3) includes first annular platform (31) and second annular platform (32), first annular platform (31) slope set up in connecting portion (1) with between second annular platform (32), second annular platform (32) slope set up in first annular platform (31) with between bottom surface (2).
2. The engine oil pan according to claim 1, characterized by further comprising a plurality of reinforcing ribs (4), wherein the plurality of reinforcing ribs (4) extend in the radial direction of the annular platform (3), and the plurality of reinforcing ribs (4) are radially distributed in the circumferential direction of the annular platform (3).
3. The engine oil pan according to claim 1, characterized in that the inclination angle of the first annular platform (31) and the second annular platform (32) with respect to the surface of the connection portion (1) ranges from 5 to 30 °.
4. The engine oil pan according to claim 1, characterized in that the bottom surface (2) is curved in side cross-section.
5. The engine oil pan according to claim 2, characterized in that the height of the reinforcement rib (4) is in the range of 4.5-6.5 mm.
6. The engine oil pan according to claim 5, characterized in that a plurality of mounting holes (11) can be arranged on the connecting part (1), and the mounting holes (11) are arranged in one-to-one correspondence with the reinforcing ribs (4).
7. The engine oil pan according to claim 1, characterized in that the first annular platform (31) has a sinking distance in the range of 3.5-6mm with respect to the surface of the connection portion (1).
8. The engine oil pan according to claim 7, characterized in that the inner side of the first annular platform (31) is circular, oval or closed arc-shaped.
9. The engine oil pan of claim 1, wherein the engine oil pan is a single layer or multiple layers.
10. A vehicle characterized by comprising the engine oil pan according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120446392.XU CN214697990U (en) | 2021-03-01 | 2021-03-01 | Engine oil pan and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120446392.XU CN214697990U (en) | 2021-03-01 | 2021-03-01 | Engine oil pan and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214697990U true CN214697990U (en) | 2021-11-12 |
Family
ID=78569277
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120446392.XU Active CN214697990U (en) | 2021-03-01 | 2021-03-01 | Engine oil pan and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214697990U (en) |
-
2021
- 2021-03-01 CN CN202120446392.XU patent/CN214697990U/en active Active
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