CN215213637U - Oil pan for engine - Google Patents
Oil pan for engine Download PDFInfo
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- CN215213637U CN215213637U CN202120295659.XU CN202120295659U CN215213637U CN 215213637 U CN215213637 U CN 215213637U CN 202120295659 U CN202120295659 U CN 202120295659U CN 215213637 U CN215213637 U CN 215213637U
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Abstract
The embodiment of the utility model provides an oil pan for an engine, which comprises a shell and an oil duct; the housing includes: a deep oil storage region and a shallow oil storage region; the sealing surfaces of the deep oil storage area and the shallow oil storage area are positioned on the same plane, and the sealing surfaces are opposite to the bottom surface of the deep groove area; a sealing groove is arranged on the sealing surface, and a mounting hole is arranged outside the sealing groove; an oil drain hole is formed in the lower portion of the side face of the deep oil storage area, an oil drain insert is fixed in the oil drain hole, an oil outlet is formed in the upper portion of the inner side of the end face of the deep oil storage area, and the cross section of the oil outlet is rectangular; an oil return hole is formed in the outer side of the side face of the shallow oil storage area, and an oil return insert is pre-buried in the oil return hole; one end of the oil duct is fixedly connected with the deep oil storage area, and the other end of the oil duct is fixedly connected with the oil outlet; wherein, the shell and the oil duct are respectively formed by the fiber reinforced thermoplastic composite material through integral single injection molding. Use the embodiment of the utility model provides a, can reduce the weight of oil pan, reduce the cost of manufacture.
Description
Technical Field
The utility model relates to the technical field of engines, especially, relate to an oil pan for engine.
Background
Light Weight of Automotive (LWA) is one of the development directions of the automotive industry and also an important sign of the technical advancement of automotive manufacturers and countries. The light weight of the automobile is to reduce the whole automobile quality of the automobile as much as possible on the premise of ensuring the strength and the safety performance of the automobile, thereby improving the dynamic property of the automobile, reducing the fuel consumption and reducing the exhaust pollution.
At present, a natural gas engine is used as clean energy power and is more and more widely applied, but most of natural gas heavy truck engine oil pans are basically formed by adopting a casting process, light weight and noise reduction measures are not adopted, and the structure and the material are not enough. For example, metal oil pans are generally heavy, expensive to manufacture, noisy, less precise in machining dimensions, and have a rough appearance. In addition, the metal oil pan is sealed by paper base, and the sealing material is easy to wear to cause leakage.
Therefore, in the prior art, the oil pan of the natural gas heavy truck engine is heavy in weight and high in manufacturing cost.
SUMMERY OF THE UTILITY MODEL
An object of the embodiment of the utility model is to provide an oil pan for engine to reduce the weight of oil pan, reduce the cost of manufacture. The specific technical scheme is as follows:
an oil pan for an engine includes a case and an oil passage;
the housing includes: a deep oil storage region and a shallow oil storage region;
the sealing surfaces of the deep oil storage area and the shallow oil storage area are positioned on the same plane, the bottom surface of the deep oil storage area is connected with the bottom surface of the shallow oil storage area through a vertical surface, and the sealing surface is opposite to the bottom surface of the deep oil storage area;
a sealing groove is formed in the sealing surface, and a mounting hole is formed in the outer side of the sealing groove;
an oil drain hole is formed in the lower portion of the side face of the deep oil storage area, an oil drain insert is fixed in the oil drain hole, an oil outlet is formed in the upper portion of the inner side of the end face of the deep oil storage area, and the cross section of the oil outlet is rectangular;
an oil return hole is formed in the outer side of the side face of the shallow oil storage area, and an oil return insert is pre-buried in the oil return hole;
one end of the oil duct is fixedly connected with the bottom surface of the deep oil storage area, and the other end of the oil duct is fixedly connected with the oil outlet;
wherein the shell and the oil duct are respectively formed by integral single injection molding of a fiber reinforced thermoplastic composite material.
Optionally, a rubber gasket is mounted in the sealing groove.
Optionally, a mounting bolt is mounted in the mounting hole, and the housing is connected with the engine through the mounting bolt.
Optionally, the mounting bolt is fixed in the mounting hole through a limiting structure, or fixed in the mounting hole through interference fit, or fixed in the mounting hole through an adhesion manner.
Optionally, one end of the oil passage is fixedly connected with the bottom surface of the deep oil storage area by welding, and the other end of the oil passage is fixedly connected with the oil outlet by welding.
Optionally, a filtering device is arranged in the bottom surface of the deep oil storage area.
Optionally, the outer surface of the shell is provided with transverse and longitudinal intersecting reinforcing ribs.
Optionally, the height of the reinforcing rib is 8mm, the width of the reinforcing rib is 2mm, and the distance between adjacent reinforcing ribs is 8mm or 12 mm.
Optionally, an oil gauge hole is formed in the upper portion of the side face of the deep oil storage area, and is used for installing an oil gauge to determine the oil level.
Optionally, the number of the mounting holes is specifically 20.
Compared with the prior art, the oil pan for the engine comprises a shell and an oil duct, wherein the oil duct is formed by injection molding of a fiber reinforced thermoplastic composite material and then is connected with the shell in a welding mode to form a closed pipeline, so that the forming processing difficulty and the manufacturing cost are reduced, and the assembly process is simple and easy to operate; the shell is also formed by injection molding of a fiber reinforced thermoplastic composite material, and the oil duct, the oil drain insert and the like are all integrated on the injection molding shell to form an oil pan assembly, so that the weight of a product is greatly reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an oil pan for an engine according to an embodiment of the present invention;
FIG. 2 is a schematic cross-sectional view of the structure of FIG. 1;
wherein, the corresponding relationship between each component name and the corresponding reference number in fig. 1 to fig. 2 is:
1, a shell, 11 deep oil storage areas, 12 shallow oil storage areas, 13 vertical surfaces, 14 sealing grooves, 15 mounting holes, 16 oil drain holes, 17 oil outlets, 18 oil return holes and 19 oil gauge holes;
the bottom surface of the 111 deep reservoir, the side surfaces of the 112 deep reservoir, the end surfaces of the 113 deep reservoir, the bottom surface of the 121 shallow reservoir, and the side surfaces of the 122 shallow reservoir;
103 a sealing surface;
2, an oil duct;
3, an oil drainage insert;
4, an oil return insert;
5, a rubber sealing gasket;
6, mounting a bolt;
7 a filtering device.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The terms upper and lower in the present embodiment are defined with reference to the position of the oil pan embodiment shown in fig. 2.
Referring to fig. 1 and fig. 2, fig. 1 is a schematic structural diagram of an oil pan according to an embodiment of the present invention, and fig. 2 is a schematic sectional structural diagram of fig. 1, as shown in fig. 1 and fig. 2, the oil pan for an engine according to the present embodiment includes a housing 1 and an oil passage 2.
Wherein, casing 1 includes: a deep reservoir 11 and a shallow reservoir 12;
the sealing surfaces 103 of the deep reserve region 11 and the shallow reserve region 12 are on the same plane, the bottom surface 111 of the deep reserve region 11 and the bottom surface 121 of the shallow reserve region 12 are connected by a vertical surface 13, and the sealing surface 103 faces the bottom surface 111 of the deep reserve region 11;
a sealing groove 14 is formed in the sealing surface 103, and a mounting hole 15 is formed in the outer side of the sealing groove 14;
an oil drain hole 16 is formed in the lower portion of the side surface 112 of the deep oil storage area 11, an oil drain insert 3 is fixed in the oil drain hole 16, an oil outlet 17 is formed in the upper portion of the inner side of the end surface 113 of the deep oil storage area 11, and the cross section of the oil outlet 17 is rectangular;
an oil return hole 18 is formed in the outer side of the side face 122 of the shallow oil storage area 12, an oil return insert 4 is embedded in the oil return hole 18, the oil pan is fixedly connected with an oil return structure of the natural gas engine through the oil return insert 4, and oil in the oil return structure flows back to the shallow oil storage area 12 through the oil return hole 18 so as to reduce oil consumption.
One end of the oil passage 2 is fixedly connected with the bottom surface 111 of the deep oil storage area 11, and the other end of the oil passage 2 is fixedly connected with the oil outlet 17;
the shell 1 and the oil duct 2 are respectively formed by integrally and singly injecting and molding fiber reinforced thermoplastic composite materials.
It will be appreciated that the sealing surface 103 is a flange surface at the top of the housing 1, i.e. a mounting surface when connected to an engine.
In practical applications, each of the opposite side surfaces 112 of the deep oil reservoir 11 may be provided with an oil drain hole 16 to increase the oil drainage speed. The oil drain insert 3 can be directly molded in the oil drain hole 16 when the housing 1 is injection molded, or the oil drain insert 3 can be connected with the housing 1 by welding or bonding.
Specifically, the oil return insert 4 may be directly molded in the oil return hole 18 during injection molding of the housing 1, or the oil return insert 4 may be connected to the housing 1 by welding or bonding.
One end of the oil passage 2 is fixedly connected with the bottom surface 111 of the deep oil storage area 11 by welding, and the other end of the oil passage 2 is fixedly connected with the oil outlet 17 by welding.
Compared with the prior art, the oil pan for the engine comprises a shell and an oil duct, wherein the oil duct is formed by injection molding of a fiber reinforced thermoplastic composite material and then is connected with the shell in a welding mode to form a closed pipeline, so that the forming and processing difficulty and the manufacturing cost are reduced, and the assembly process is simple and easy to operate; the shell also adopts the fiber reinforced thermoplastic composite material injection moulding, and oil duct, oil drain inserts etc. are all integrated on the shell of moulding plastics, form the oil pan assembly for product weight reduces greatly, and can reduce the car and produce noise pollution at the in-process that traveles, has realized the lightweight design of natural gas heavy truck engine oil pan.
Specifically, with continued reference to fig. 2, in order to ensure airtightness between the housing 1 and the cylinder, a rubber packing 5 is installed in the seal groove 14. The elasticity of rubber is utilized to guarantee the air tightness of the shell 1 and the cylinder body, and the rubber has good wear resistance, so that the rubber sealing gasket 5 can be recycled after the oil pan is detached.
Further, in order to increase the overall mounting strength of the oil pan, mounting bolts 6 are mounted in the mounting holes 15, and the housing 1 is connected to the engine by the mounting bolts 6.
Specifically, in order to stably fix the mounting bolt 6 in the mounting hole 15, the mounting bolt 6 may be fixed in the mounting hole 15 by a limiting structure, for example, the limiting structure may be provided in the mounting hole 15, or a limiting structure may be provided on a sleeve of the mounting bolt 6 to fix the mounting bolt 6 in the mounting hole 15; alternatively, the mounting bolt 6 may be fixed in the mounting hole 15 by interference fit, or may be fixed in the mounting hole 15 by adhesion. For another example, the mounting bolts 6 may be directly molded on the housing 1 when the housing 1 is injection molded.
Optionally, in order to effectively filter impurities in the engine oil and ensure normal operation of the engine, a filtering device 7 is arranged in the bottom surface of the deep oil storage area.
Specifically, the filtering device 7 is of a mesh structure, and in practical application, the filtering device can be placed in a forming mold of the oil duct 2 in advance, and is directly formed on the oil duct 2 after injection molding; the filter device 7 and the oil duct 2 can also be fixedly connected by means of bonding, welding, riveting or buckling.
Further, in order to further improve the rigidity and strength of the oil pan in the present embodiment, the outer surface of the housing 1 is provided with reinforcing ribs intersecting transversely and longitudinally. Through crossing strengthening rib violently indulging, not only can increase product rigidity, can also solve the noise problem of metal oil pan driving in-process, solve the problem of oil pan product impact resistance.
More specifically, the height of the reinforcing ribs is 8mm, the width of the reinforcing ribs is 2mm, and the distance between adjacent reinforcing ribs is 8mm or 12 mm.
Alternatively, in order to accurately determine the oil reservoir in the oil pan, the upper portion of the side surface 112 of the deep oil reservoir region 11 in the oil pan in the present embodiment may be provided with an oil level hole 19 for mounting an oil level gauge to determine the oil level. Specifically, in this embodiment, the number of the dipstick holes 19 may be two, and the two dipstick holes are respectively disposed on the two side surfaces 112 of the deep oil storage region 11.
Further, in this embodiment, the number of the mounting holes 15 may be 20, 8 in each of the long side directions, and 2 in each of the short side directions.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention shall fall within the protection scope of the present invention.
Claims (10)
1. An oil pan for an engine, characterized by comprising a case (1) and an oil passage (2);
the housing (1) comprises: a deep reservoir (11) and a shallow reservoir (12);
the sealing surface (103) of the deep oil storage area (11) and the sealing surface (103) of the shallow oil storage area (12) are positioned on the same plane, the bottom surface (111) of the deep oil storage area (11) and the bottom surface (121) of the shallow oil storage area (12) are connected through a vertical surface (13), and the sealing surface (103) is opposite to the bottom surface (111) of the deep oil storage area (11);
a sealing groove (14) is formed in the sealing surface (103), and a mounting hole (15) is formed in the outer side of the sealing groove (14);
an oil drain hole (16) is formed in the lower portion of the side face (112) of the deep oil storage area (11), an oil drain insert (3) is fixed in the oil drain hole (16), an oil outlet (17) is formed in the upper portion of the inner side of the end face (113) of the deep oil storage area (11), and the cross section of the oil outlet (17) is rectangular;
an oil return hole (18) is formed in the outer side of the side face (122) of the shallow oil storage area (12), and an oil return insert (4) is embedded in the oil return hole (18);
one end of the oil duct (2) is fixedly connected with the bottom surface (111) of the deep oil storage area (11), and the other end of the oil duct (2) is fixedly connected with the oil outlet (17);
wherein the shell (1) and the oil duct (2) are respectively formed by integrally and singly injecting and molding fiber reinforced thermoplastic composite materials.
2. An oil pan for an engine according to claim 1, characterized in that a rubber packing (5) is installed in the seal groove (14).
3. Oil pan for an engine according to claim 1, characterized in that mounting bolts (6) are mounted in the mounting holes (15), and the housing (1) is connected to the engine by means of the mounting bolts (6).
4. Oil pan for an engine according to claim 3, characterised in that the mounting bolt (6) is fixed in the mounting hole (15) by a stop structure, or in the mounting hole (15) by interference fit, or in the mounting hole (15) by adhesive means.
5. The oil pan for the engine according to claim 1, characterized in that one end of the oil passage (2) is fixedly connected to the bottom surface (111) of the deep oil reservoir region (11) by welding, and the other end of the oil passage (2) is fixedly connected to the oil outlet (17) by welding.
6. Oil pan for an engine according to claim 1, characterised in that the bottom surface (111) of the deep oil reservoir (11) is provided with a filter device (7).
7. An oil pan for an engine according to any one of claims 1-6, characterised in that the outer surface of the shell (1) is provided with transverse and longitudinal intersecting reinforcing ribs.
8. The oil pan for an engine according to claim 7, wherein the height of the reinforcing rib is 8mm, the width of the reinforcing rib is 2mm, and the distance between adjacent reinforcing ribs is 8mm or 12 mm.
9. An oil pan for an engine according to claim 8, characterized in that the side surface (112) of the deep oil reservoir region (11) is provided at an upper portion thereof with an oil level hole (19) for receiving an oil level gauge to determine the oil level.
10. Oil pan for an engine according to claim 9, characterised in that the number of mounting holes (15) is in particular 20.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120295659.XU CN215213637U (en) | 2021-02-02 | 2021-02-02 | Oil pan for engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120295659.XU CN215213637U (en) | 2021-02-02 | 2021-02-02 | Oil pan for engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215213637U true CN215213637U (en) | 2021-12-17 |
Family
ID=79439732
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120295659.XU Active CN215213637U (en) | 2021-02-02 | 2021-02-02 | Oil pan for engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215213637U (en) |
-
2021
- 2021-02-02 CN CN202120295659.XU patent/CN215213637U/en active Active
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Legal Events
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 102101 No.261 Kangxi Road, Badaling Economic Development Zone, Yanqing District, Beijing Patentee after: Beijing Guocai automobile composite material Co.,Ltd. Patentee after: Shandong Sinoma automobile composite material Co.,Ltd. Address before: 102101 No.261 Kangxi Road, Badaling Economic Development Zone, Yanqing District, Beijing Patentee before: BEIJING SINOMA COMPOSITE AUTO PARTS Co.,Ltd. Patentee before: Shandong Sinoma automobile composite material Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |