Engine lubricating system of automobile

Abstract

The utility model discloses an engine lubrication system of an automobile, which is applied to the technical field of engine lubrication and comprises an air cylinder body, an oil pan assembly, an oil pump component and an engine front suspension support, the oil pan assembly and the oil pump component are mounted below the air cylinder body, and the engine front suspension support is connected with two sides of the air cylinder body. Comprising a shallow oil area and a deep oil area, the engine oil pump component is arranged at the shallow oil area of the oil pan assembly, the engine front suspension support is arranged at the deep oil area of the oil pan assembly, the reinforcing plate is arranged at the deep oil area of the oil pan assembly, and an oil suction port of the engine oil pump component penetrates into the deep oil area. And the oil outlet end of the oil pump part is communicated with the oil inlet channel of the cylinder body. The oil pan of the engine lubricating system of the automobile is high in overall structural strength, light in weight and compact in appearance structure, and connection required by various functions can be arranged in the oil pan.

Description

Technical Field

[0001] The utility model relates to the technical field of engine lubrication, in particular to an engine lubrication system for an automobile. Background Technique

[0002] The oil pan is an indispensable component in the modern automobile lubrication system, which is directly connected to the engine and located at the bottom of the engine. Its functions are to collect, store engine oil and supply engine oil, and to bear and transmit the vibration and noise from the engine, providing guarantee for the continuous operation of the lubrication system.

[0003] In current engine applications, the oil pan mainly uses metal materials such as iron and cast aluminum. These metal materials have good rigidity and play a supporting role for the skirt of the cylinder block. However, due to the large density of the metal materials, the weight of the engine will be very large, the vehicle mass will also increase, and the fuel consumption will rise. Data shows that when the vehicle weight is reduced by 10%, the fuel consumption can be reduced by 6% - 8%. With the development of material technology, plastic technology is gradually widely applied to engines at present.

[0004] Compared with metal materials, plastic materials have the characteristics of low density, high strength, corrosion resistance, sound insulation, heat insulation, etc. They can form parts with complex shapes and have low manufacturing costs. At the same time, due to the recyclability of plastic parts, the environmental pollution is also reduced. However, due to the lower strength and rigidity of plastic materials than metal materials, most plastic oil pan assemblies do not have good rigidity, and very high requirements are imposed on the structural design of plastic parts. At present, in order to improve the strength of the skirt of the cylinder block, a reinforcing plate formed by integral stamping is installed on the lower end face of the cylinder block. The structure of the reinforcing plate covers the skirt of the cylinder block, rather than performing local reinforcement at the suspension position. However, compared with the scheme of using a metal oil pan, the weight reduction effect is not obvious when using a plastic oil pan assembly with a stamping-formed reinforcing plate, and some oil ports and the like cannot be integrally designed with the stamping-formed reinforcing plate, and its functions are relatively single.

[0005] In summary, how to effectively provide an oil pan with a large overall structural strength, light weight, compact external structure and connections that can be provided with various functions inside is an urgent problem to be solved by those skilled in the art at present. Content of the Utility Model

[0006] The purpose of the utility model is to provide an engine lubrication system for an automobile, and the oil pan of the engine lubrication system for an automobile has a large overall structural strength, light weight, compact external structure and connections that can be provided with various functions inside.

[0007] To solve the above technical problems, the utility model provides the following technical solutions:

[0008] An engine lubrication system for an automobile, comprising a cylinder block, an oil pan assembly mounted below the cylinder block and an oil pump component, and an engine front suspension bracket connected to both sides of the cylinder block. The oil pan assembly is a plastic oil pan, including a shallow oil area and a deep oil area. The oil pump component is arranged at the position of the shallow oil area of the oil pan assembly, and the engine front suspension bracket is arranged at the position of the deep oil area of the oil pan assembly. A reinforcing plate is arranged at the position of the deep oil area of the oil pan assembly. The oil suction port of the oil pump component extends into the deep oil area, and the oil outlet end of the oil pump component is communicated with the oil inlet passage of the cylinder block.

[0009] Optionally, the reinforcing plate is formed by casting, the reinforcing plate is connected to the oil pan assembly, and the surface of the reinforcing plate fits with the surface of the oil pan assembly.

[0010] Optionally, the deep oil area includes a narrow oil area connected to the cylinder block and a wide oil area located below the narrow oil area. The width of the wide oil area is greater than the width of the narrow oil area, and the width of the narrow oil area is the same as the width of the shallow oil area.

[0011] Optionally, a cavity for avoiding the crankshaft balance weight is designed on the reinforcing plate;

[0012] The length direction of the cavity is along the connecting line direction of the engine front suspension brackets on both sides, and reinforcing ribs are arranged in the length direction of the cavity.

[0013] Optionally, a bulge for avoiding the connecting rod is designed on the reinforcing plate, and a plurality of oil return holes are arranged on the bulge along the width direction of the cylinder block.

[0014] Optionally, the length direction of the bulge is arranged side by side with the length direction of the cavity, and the bulge is in a dumbbell shape.

[0015] Optionally, an oil passage with an oil inlet and an oil outlet is provided on the reinforcing plate. The oil suction pipe of the oil pump component is connected to the oil inlet of the reinforcing plate, and the oil outlet pipe of the oil pump component is connected to the oil outlet of the reinforcing plate.

[0016] Optionally, the oil inlet is located on the side surface of the reinforcing plate, and the oil outlet is located on the top surface of the reinforcing plate.

[0017] Optionally, the oil pump component is arranged across the width of the cylinder block.

[0018] Optionally, the oil suction pipe welding component and the oil outlet pipe welding component of the oil pump component are fixed on the cylinder block through a herringbone bracket.

[0019] The beneficial effect of the utility model is that the oil pan assembly is a plastic oil pan, which has the characteristics of low density, high specific strength, corrosion resistance, sound insulation, heat insulation, etc. compared with the metal oil pan. The oil pan is divided into a shallow oil area and a deep oil area. The oil pump component is arranged at the shallow oil area of the oil pan assembly. The cylinder body is not suspended in the shallow oil area, and the oil pan assembly stores less oil at the shallow oil area. When the engine is running, the cylinder body is subjected to a small movement load of the oil. No reinforcement plate is set in the shallow oil area, which reduces the weight of the engine and the weight of the whole vehicle, and reduces fuel consumption.

[0020] The oil pan assembly stores more oil in the deep oil area, which has a larger mass. The cylinder block is subjected to a greater movement load from the oil, and the engine front suspension bracket is also installed here. Therefore, the cylinder block skirt is greatly deformed at this position and has a larger lateral displacement. For this reason, a reinforcement plate is arranged in the deep oil area of the oil pan assembly to increase the structural strength of the oil pan, improve its impact resistance, and strengthen the skirt of the cylinder block.

[0021] When the engine is running, the oil pump component starts working through the rear gear train. The oil required by the engine is sucked into the deep oil area of the oil pan assembly. The oil enters the oil pump component and is pressurized before being discharged through the oil outlet pipe welding component. Finally, it enters the cylinder block oil inlet channel to participate in the lubrication of various running parts. When the final engine product is provided to the customer, the engine is connected to the vehicle frame of the vehicle manufacturer through the front suspension bracket of the engine.

[0022] The engine lubrication system of the automobile provided by the utility model has the oil pump component arranged in the shallow oil area, and a reinforcement plate is added in the deep oil area. The reinforcement plate is equivalent to a supporting bridge, which lifts the bottom of the bottom shell assembly, reinforces the oil sump assembly, and increases its strength in the deep oil area, which is sufficient to withstand the weight of the large oil storage volume and the front suspension bracket of the engine, reduces the deformation of the skirt of the cylinder body 1, ensures that the plastic oil sump bolt connection is tight, and avoids oil leakage. In addition, the oil sump assembly of the present application is an integrated shell, with high overall structural strength, light weight, compact appearance and structure, and multiple functional connections can be set inside, with simple processing technology, high wear resistance and anti-collision performance, convenient assembly and disassembly, which is conducive to engine maintenance and low manufacturing cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0024] Figure 1The front view of the engine lubrication system of an automobile provided by a specific embodiment of the present utility model;

[0025] Figure 2 The bottom view of the engine lubrication system of an automobile provided by a specific embodiment of the present utility model;

[0026] Figure 3 The right view of the engine lubrication system of an automobile provided by a specific embodiment of the present utility model;

[0027] Figure 4 The structural schematic diagram of the reinforcing plate in the engine lubrication system of the automobile of the present utility model.

[0028] Reference signs:

[0029] Cylinder block 1, oil inlet passage 1-1, oil pump assembly 2, front end cover of the engine body 3, reinforcing plate 4, oil inlet 4-1, cavity 4-2, bulge 4-3, oil outlet 4-4, engine front suspension bracket 5, oil pan assembly 6, deep oil area 6-1, shallow oil area 6-2, O-ring 7, suction pipe 8, suction pipe bracket 8-1, common bracket 8-2, outlet pipe 9, outlet pipe bracket 9-1. Specific embodiment

[0030] The core of the present utility model is to provide an engine lubrication system for an automobile. The overall structural strength of the oil pan of the engine lubrication system for the automobile is large, the weight is light, the external shape structure is compact, and various functional connections can be arranged inside.

[0031] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0032] Please refer to Figures 1 to 4 , Figure 1 The front view of the engine lubrication system of an automobile provided by a specific embodiment of the present utility model; Figure 2 The bottom view of the engine lubrication system of an automobile provided by a specific embodiment of the present utility model; Figure 3 The right view of the engine lubrication system of an automobile provided by a specific embodiment of the present utility model; Figure 4 The structural schematic diagram of the reinforcing plate in the engine lubrication system of the automobile of the present utility model.

[0033] In a specific embodiment, the engine lubrication system of the motor vehicle provided by the present utility model includes a cylinder block 1, an oil pan assembly 6 mounted below the cylinder block 1, an oil pump component 2, and an engine front suspension bracket 5 connected to both sides of the cylinder block 1. The oil pan assembly 6 is a plastic oil pan, including a shallow oil area 6-2 and a deep oil area 6-1. The oil pump component 2 is arranged at the position of the shallow oil area 6-2 of the oil pan assembly 6, the engine front suspension bracket 5 is arranged at the position of the deep oil area 6-1 of the oil pan assembly 6, and a reinforcing plate 4 is arranged at the position of the deep oil area 6-1 of the oil pan assembly 6. The suction port of the oil pump component 2 extends into the deep oil area 6-1, and the oil outlet end of the oil pump component 2 is communicated with the oil inlet passage 1-1 of the cylinder block 1.

[0034] In the above structure, the engine lubrication system of the motor vehicle includes a cylinder block 1, an engine front suspension bracket 5, an oil pan assembly 6, and an oil pump component 2. The engine front suspension bracket 5 is connected to both sides of the cylinder block 1. The engine front suspension bracket 5 supports and positions the engine, and the engine is connected to the vehicle chassis through the engine front suspension bracket 5. The cylinder block 1 is an important part of the engine, which is used to support the crankshaft connecting rod mechanism of the engine, connect the cylinder head, and connect and support the accessories of the engine. The oil pan assembly 6 and the oil pump component 2 are mounted below the cylinder block 1. The function of the oil pan assembly 6 is to collect, store engine oil and supply engine oil, providing a guarantee for the continuous operation of the lubrication system. After the oil pump component 2 raises the engine oil to a certain pressure, it is forced to be pumped onto the moving surfaces of various parts of the engine.

[0035] The oil pan assembly 6 is a plastic oil pan, which has the characteristics of low density, high specific strength, corrosion resistance, sound insulation, heat insulation, etc. compared with a metal oil pan. However, considering that the strength and stiffness of the plastic oil pan are lower than those of the metal oil pan, the plastic oil pan alone cannot support the skirt of the cylinder block 1, which will cause a large deformation of the skirt of the cylinder block 1. Such deformation will, in the light case, cause the fixing bolts of the oil pan assembly 6 to become loose and result in oil leakage, and in the heavy case, cause the cylinder block 1 to crack. Therefore, in this application, the oil pan assembly 6 is divided into zones. The oil pan assembly 6 is divided into a shallow oil area 6-2 and a deep oil area 6-1. The shallow oil area 6-2 is located at the front end part of the oil pan, while the deep oil area 6-1 is located at the rear end part. This zoning helps the circulation of engine oil and the release of air.

[0036] The oil pump component 2 is arranged at the position of the shallow oil area 6-2 of the oil pan assembly 6 and is fixed to the cylinder block 1 by bolts. This is because the oil pump component 2 needs to suck oil from the oil pan, filter it through the oil filter, and then deliver the oil to various components of the engine. The position of the oil pump component 2 needs to be convenient for maintenance and replacement, and at the same time, sufficient suction needs to be ensured to effectively supply oil under various working conditions. The cylinder block 1 is not suspended and installed in the shallow oil area 6-2, and the oil pan assembly 6 stores less oil at the position of the shallow oil area 6-2. When the engine is running, the cylinder block 1 is subjected to less moving load of the oil, and no reinforcement plate 4 is provided in the shallow oil area 6-2, which reduces the weight of the engine and the vehicle mass, and reduces fuel consumption.

[0037] The front engine mount bracket 5 is arranged at the position of the deep oil area 6-1 of the oil pan assembly 6. In this way, the larger space of the deep oil area 6-1 can be utilized, and at the same time, the front engine mount bracket 5 can provide stable support for the engine, reducing the influence of vibration on the engine performance. The oil pan assembly 6 stores more oil at the position of the deep oil area 6-1, with a greater mass. The cylinder block 1 is subjected to a greater moving load of the oil, and the front engine mount bracket 5 is also installed here. Therefore, the skirt of the cylinder block 1 deforms more at this position and has a large lateral displacement. The designed front end cover 3 of the engine body cannot meet the requirements. For this reason, a reinforcement plate 4 is arranged at the position of the deep oil area 6-1 of the oil pan assembly 6, which can increase the structural strength of the oil pan, improve its impact resistance, and strengthen the skirt of the cylinder block 1.

[0038] The oil suction port of the oil pump component 2 extends into the deep oil area 6-1, and the oil outlet end of the oil pump component 2 is communicated with the oil inlet passage 1-1 of the cylinder block 1. When the engine is running, the oil pump component 2 starts to work through the transmission of the rear end gear train. The oil required by the engine is sucked from the deep oil area 6-1 of the oil pan assembly 6 and enters. After the oil enters the oil pump component 2 and is pressurized, it is discharged through the oil pipe welding component, and finally enters the oil inlet passage 1-1 of the cylinder block to participate in the lubrication of each running part. When the final engine product is provided to the customer, the engine is connected to the vehicle frame of the vehicle factory through the front engine mount bracket 5.

[0039] In the engine lubrication system of the motor vehicle provided by the present utility model, the oil pump component 2 is arranged in the shallow oil area 6-2, and a reinforcement plate is added at the position of the deep oil area 6-1. The reinforcement plate is equivalent to a support bridge, which lifts the bottom of the oil pan assembly 6, strengthens the oil pan assembly 6, increases its strength in the deep oil area, is sufficient to bear the large oil storage capacity and the weight of the front engine mount bracket 5, reduces the skirt deformation of the cylinder block 1, ensures the tight connection of the plastic oil pan bolts, and avoids oil leakage. Moreover, the oil pan assembly 6 of the present application is an integral housing, with a large overall structural strength, light weight, a compact external structure, and various functional connections can be set inside. The processing technology is simple, with high wear resistance and anti-collision and pressure resistance performance, convenient for installation and disassembly, beneficial to engine maintenance, and low manufacturing cost.

[0040] Based on the above specific embodiments, the reinforcing plate 4 is formed by casting. Using this forming method can meet relatively complex designs. The material of the reinforcing plate can be cast aluminum, which can be used in combination with a plastic oil pan to achieve the lightweight of the engine.

[0041] Exemplarily, the oil pan assembly 6 can be injection-molded using a PA66+GF30 high composite performance material. PA66+GF30 is a polyamide 66 material with 30% glass fiber added as a reinforcing material, having very high tensile strength and flexural strength.

[0042] Furthermore, the reinforcing plate 4 is connected to the oil pan assembly 6, and the surface of the reinforcing plate 4 is closely attached to the surface of the oil pan assembly 6. The integrity of the reinforcing plate 4 and the oil pan assembly 6 is relatively good. The reinforcing plate 4 contacts and supports the oil pan assembly 6, leaving no space for the oil pan assembly 6 to deform, increasing the structural strength of the oil pan and preventing the skirt of the cylinder block 1 from deforming.

[0043] Specifically, the reinforcing plate 4 and the oil pan assembly 6 can be first connected through a sealing filler. Apply an appropriate amount of sealing filler evenly on the connection surface. The application of the sealing filler should be uniform to avoid voids, which can effectively prevent oil leakage. After application, installation should be carried out promptly to ensure the sealing effect. Then, connect through bolts to improve the connection strength. When installing the reinforcing plate, ensure its correct position and use appropriate tools such as a torque wrench to tighten the bolts according to the specified torque. Pay attention to tightening gradually in a diagonal order to avoid deformation or damage caused by uneven stress.

[0044] Based on the above specific embodiments, the deep oil area 6-1 includes a narrow oil area connected to the cylinder block 1 and a wide oil area located below the narrow oil area. The width of the wide oil area is greater than that of the narrow oil area, and the width of the narrow oil area is the same as that of the shallow oil area 6-2.

[0045] In a specific embodiment, the deep oil area 6-1 of the oil pan is designed with a widened structure, including a narrow oil area and a wide oil area in the deep oil area 6-1. The shallow oil area is relatively shallow, and the width of the narrow oil area is equal to that of the shallow oil area 6-2 and the cylinder block 1, which is convenient for the connection between the oil pan assembly 6 and the cylinder block 1.

[0046] The wide oil area is located below the narrow oil area, and its width is greater than that of the narrow oil area, providing a larger oil storage space. The design of the wide oil area helps to maintain the stability and circulation efficiency of the engine oil under different operating conditions of the engine, and also helps to disperse the heat generated during engine operation. While ensuring the volume of the oil pan, the height is reduced, which will reduce the overall height of the engine. The space required for the engine layout on the vehicle will also become smaller, and the ground clearance of the engine can be increased, reducing the risk of the oil pan being knocked. It also provides a relatively large installation space for the reinforcing plate to be arranged in the deep oil area.

[0047] In the above-described embodiment structure, the deep oil area of the plastic oil pan is designed with a widened width, which can utilize a larger space to provide additional strength and rigidity, while not affecting the oil storage and lubrication functions of the oil pan.

[0048] Based on the above various specific embodiments, a cavity 4-2 is designed on the reinforcing plate 4 for avoiding the crankshaft balance weight, which can ensure that when the crankshaft rotates, the balance weight will not interfere with the reinforcing plate, thus ensuring the normal operation of the engine. Preferably, without affecting the strength, the space of the cavity 4-2 is enlarged as much as possible, which can not only avoid the crankshaft balance weight but also achieve weight reduction.

[0049] Based on the above various specific embodiments, the length direction of the cavity 4-2 is along the connecting line direction of the engine front suspension brackets 5 on both sides, and reinforcing ribs are provided in the length direction of the cavity 4-2.

[0050] In a specific embodiment, the cavity 4-2 and the engine front suspension brackets 5 on both sides are on a straight line. Such a layout helps to provide sufficient space to avoid the crankshaft balance weight while maintaining the compactness of the structure. Reinforcing ribs are provided in the length direction of the avoidance cavity 4-2. These reinforcing ribs can enhance the stiffness across the width of the entire reinforcing plate 4, improve the load-bearing capacity and durability of the oil pan assembly 6, reduce the deformation of the cylinder block 1, and ensure that the oil pan assembly 6 has good structural strength and dynamic performance while satisfying the avoidance of the crankshaft balance weight.

[0051] Based on the above various specific embodiments, a bulge 4-3 is designed on the reinforcing plate 4 for avoiding the connecting rod, and a plurality of oil return holes are provided in the bulge 4-3 along the width direction of the cylinder block 1.

[0052] In a specific embodiment, a bulge 4-3 is designed on the reinforcing plate 4, which can not only avoid the connecting rod but also improve the strength of the reinforcing plate. Preferably, reinforcing ribs can be provided on the bulge 4-3 to further increase the strength.

[0053] A plurality of oil return holes are provided in the bulge 4-3 along the width direction of the cylinder block. Such a design helps the oil to flow back, reduces the agitation of the falling oil by the connecting rod envelope, reduces the noise, and ensures the normal operation of the lubrication system inside the engine. Exemplarily, three oil return holes are evenly distributed at both ends and in the middle of the bulge 4-3, and the aperture of the oil return hole is equal to the groove width of the bulge 4-3, ensuring that the oil can flow back effectively while avoiding insufficient oil volume caused by excessive oil return.

[0054] Based on the above specific embodiments, the length direction of the bulge 4-3 is arranged in parallel with the length direction of the cavity 4-2. This layout helps to improve the overall rigidity of the oil pan and provide sufficient space for internal engine components such as connecting rods. The bulge 4-3 is dumbbell-shaped, which can provide better structural stability. At the same time, the two ends of the dumbbell shape can provide avoidance space for components such as connecting rods to ensure that there is no interference between components when the engine is running.

[0055] Based on the above-mentioned specific embodiments, the reinforcing plate 4 has an oil passage with an oil inlet 4-1 and an oil outlet 4-4, the oil suction pipe 8 of the oil pump component 2 is connected to the oil inlet 4-1 of the reinforcing plate 4, and the oil outlet pipe 9 of the oil pump component 2 is connected to the oil outlet 4-4 of the reinforcing plate 4.

[0056] In a specific embodiment, a special oil passage is designed on the reinforcing plate 4, which is used to connect the oil suction pipe 8 and the oil outlet pipe 9 of the oil pump component 2. The oil required by the engine is sucked into the deep oil area 6-1 of the oil pan assembly 6 from the oil suction pipe welding component, and the oil enters the oil pump component 2 and is pressurized before being discharged through the oil outlet pipe welding component. At this time, the oil enters the oil passage of the reinforcing plate 4 through the reinforcing plate oil inlet 4-1, and finally enters the cylinder block oil inlet passage 1-1 through the reinforcing plate oil outlet 4-4, participating in the lubrication of various running parts, ensuring that the connection between the cylinder block 1 and the oil pump component 2 is both firm and reliable, thereby ensuring the normal operation of the engine lubrication system.

[0057] Preferably, the oil suction pipe 8 and the oil outlet pipe 9 of the oil pump component 2 can be connected to the oil inlet 4-1 and the oil outlet 4-4 of the reinforcing plate 4 by welding. This connection method can ensure that no leakage occurs at the connection under high pressure and high temperature working environment.

[0058] Based on the structure of the above embodiment, the reinforcing plate 4 integrates the connection port of the oil outlet pipe 9 of the oil pump component 2 and the connection port of the cylinder block 1, which can reduce the number of parts, reduce procurement costs, and improve installation efficiency.

[0059] On the basis of the above-mentioned specific embodiments, the oil inlet 4 - 1 is located on the side surface of the reinforcing plate 4 , and the oil outlet 4 - 4 is located on the top surface of the reinforcing plate 4 .

[0060] In a specific embodiment, the side oil inlet 4-1 allows engine oil to directly enter the suction pipe 8, reducing the circulation distance of the oil flow in the oil pan, thereby reducing the oil flow resistance and improving the oil suction efficiency of the oil pump. The top oil outlet 4-4 helps ensure the smooth outflow of the engine oil under pressure, reducing the mixing of air bubbles and ensuring the stability of the engine oil supply. This layout makes the connection between the suction pipe and the discharge pipe of the oil pump more direct, ensuring smooth oil flow between the oil inlet 4-1 and the oil outlet 4-4 of the reinforcement plate 4, avoiding local eddy currents or pressure losses, facilitating installation and maintenance work, improving the working efficiency of the oil pump, and providing stable and efficient lubrication for the engine.

[0061] Based on the above specific embodiments, the oil pump component 2 is arranged across the width of the cylinder block 1.

[0062] In a specific embodiment, the oil pump component 2 is arranged in the shallow oil area. At this position, there is less engine oil stored during engine operation and no need to install the rear engine mount, so the reinforcement plate 4 is not designed. Instead, the oil pump component 2 is designed across the cylinder block 1, and the oil pump component 2 connects the skirts on both sides of the cylinder block 1, using the housing of the oil pump component 2 to support the skirt of the cylinder block 1, enhancing the structural stability of the skirt of the cylinder block 1. Arranging across the width of the cylinder block 1 can make the suction pipe 8 and the discharge pipe 9 located on both sides of the cylinder block 1, and the connection between the suction pipe 8 and the discharge pipe 9 of the oil pump component 2 is more direct, facilitating installation and maintenance. Specifically, the suction pipe 8 and the discharge pipe 9 are hermetically connected to the oil pump component 2 through an O-ring 7 to improve the sealing performance.

[0063] Based on the above specific embodiments, the suction pipe 8 and the discharge pipe 9 of the oil pump component 2 are fixed to the cylinder block 1 through a chevron-shaped bracket.

[0064] In a specific embodiment, to ensure the durability of the suction pipe 8, a suction pipe bracket 8-1 is welded on the pipeline, and the suction pipe bracket 8-1 is directly fixed to the cylinder block 1. Similarly, a discharge pipe bracket 9-1 is welded on the discharge pipe 9, and the discharge pipe bracket 9-1 is fixed to the cylinder block 1. At the same time, a common bracket 8-2 is connected to both the suction pipe 8 and the discharge pipe 9. The common bracket 8-2 is a chevron-shaped bracket, which has three connection points, connecting to the suction pipe 8, the discharge pipe 9, and the cylinder block 1 respectively, and is fixed across the skirt of the cylinder block 1. The oil pump component 2 has an integrated fixed bracket design for the inlet and outlet pipes, which is fixed to the cylinder block 1. The chevron-shaped bracket provides a stable support structure that can withstand the forces and torques generated during the operation of the oil pump, thereby reducing the vibration frequency and noise.

[0065] The oil suction pipe 8 and the oil discharge pipe 9 have welded components. The V-shaped bracket can be connected to the oil suction pipe 8, the oil discharge pipe 9 and the cylinder block 1 by bolts or welding. The choice of which fixing method depends on design requirements, cost and maintenance convenience. Bolt connection may be more convenient for disassembly and maintenance, while welding provides a more stable connection. During installation, it is necessary to ensure the precise position of the V-shaped bracket to ensure that the oil suction pipe 8 and the oil discharge pipe 9 of the oil pump component 2 are aligned with the oil inlet 4-1 and the oil outlet 4-4 of the reinforcing plate 4.

[0066] Based on the engine lubrication system of the vehicle provided in the above embodiments, the present invention also provides a vehicle, which includes an engine and an engine lubrication system, wherein the engine lubrication system is any one of the engine lubrication systems of the vehicle in the above embodiments. Since the vehicle adopts the engine lubrication system of the vehicle in the above embodiments, the beneficial effects of the vehicle can be referred to the above embodiments. The structures of other parts of the vehicle can be referred to the prior art and will not be elaborated herein.

[0067] In this specification, each embodiment is described in a progressive manner. The key point of each embodiment is to illustrate the differences from other embodiments. The same or similar parts among the embodiments can be referred to each other.

[0068] The above has introduced in detail the engine lubrication system of the vehicle provided by the present invention. Specific examples are used in this article to elaborate on the principle and implementation manner of the present invention. The description of the above embodiments is only used to help understand the method and its core idea of the present invention. It should be noted that for those of ordinary skill in the art in this technical field, without departing from the principle of the present invention, several improvements and modifications can still be made to the present invention, and these improvements and modifications also fall within the protection scope of the claims of the present invention. Therefore, the present invention will not be limited to these embodiments shown in this article, but will conform to the widest scope consistent with the principles and novel features disclosed in this article.

Claims

1. An engine lubrication system for an automobile, characterized in that, It includes a cylinder block (1), an oil pan assembly (6) and an oil pump component (2) installed below the cylinder block (1), and an engine front suspension bracket (5) connected to both sides of the cylinder block (1). The oil pan assembly (6) is a plastic oil pan, which includes a shallow oil area (6-2) and a deep oil area (6-1). The oil pump component (2) is arranged at the position of the shallow oil area (6-2) of the oil pan assembly (6), and the engine front suspension bracket (5) is arranged at the position of the deep oil area (6-1) of the oil pan assembly (6). A reinforcing plate (4) is arranged at the position of the deep oil area (6-1) of the oil pan assembly (6). The oil suction port of the oil pump component (2) extends into the deep oil area (6-1), and the oil outlet end of the oil pump component (2) is communicated with the oil inlet passage (1-1) of the cylinder block (1).

2. The engine lubrication system of the motor vehicle according to claim 1, characterized in that The reinforcing plate (4) is formed by casting, the reinforcing plate (4) is connected to the oil pan assembly (6), and the surface of the reinforcing plate (4) fits with the surface of the oil pan assembly (6).

3. The engine lubrication system of the motor vehicle according to claim 1, characterized in that The deep oil area (6-1) includes a narrow oil area connected to the cylinder block (1) and a wide oil area located below the narrow oil area. The width of the wide oil area is greater than the width of the narrow oil area, and the width of the narrow oil area is the same as the width of the shallow oil area (6-2).

4. The engine lubrication system of an automobile according to claim 3, characterized in that, A cavity (4-2) for avoiding the crankshaft balance weight is designed on the reinforcing plate (4); The length direction of the cavity (4-2) is along the connection line direction of the engine front suspension brackets (5) on both sides, and reinforcing ribs are provided in the length direction of the cavity (4-2).

5. The engine lubrication system of the automobile according to claim 4, characterized in that, A bulge (4-3) for avoiding the connecting rod is designed on the reinforcing plate (4), and a plurality of oil return holes are provided in the bulge (4-3) along the width direction of the cylinder block (1).

6. The engine lubrication system of an automobile according to claim 5, characterized in that, The length direction of the bulge (4-3) is arranged side by side with the length direction of the cavity (4-2), and the bulge (4-3) is in a dumbbell shape.

7. The engine lubrication system of an automobile according to claim 1, characterized in that, An oil passage with an oil inlet (4-1) and an oil outlet (4-4) is provided on the reinforcing plate (4). The oil suction pipe (8) of the oil pump component (2) is connected to the oil inlet (4-1) of the reinforcing plate (4), and the oil outlet pipe (9) of the oil pump component (2) is connected to the oil outlet (4-4) of the reinforcing plate (4).

8. The engine lubrication system of an automobile according to claim 7, characterized in that, The oil inlet (4-1) is located on the side surface of the reinforcing plate (4), and the oil outlet (4-4) is located on the top surface of the reinforcing plate (4).

9. The engine lubrication system of an automobile according to any one of claims 1-8, characterized in that, The oil pump component (2) is arranged across the width of the cylinder block (1).

10. The engine lubrication system of the vehicle according to claim 9, characterized in that, The oil suction pipe welding component and the oil outlet pipe welding component of the oil pump component (2) are fixed on the cylinder block (1) through a herringbone bracket.

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