Upper oil pan frame and gasoline engine
By designing an oil-top pan frame with integrated multi-function interface and a built-in lubricating oil channel, the existing oil pan design is solved and the problems of complex design and high production cost are achieved, and the cylinder block design is simplified and the cost of lowering oil pan is reduced. .
Patent Information
- Application Number
- CN202421187435.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-28
- Publication Date
- 2025-02-14
- Estimated Expiration
- 2034-05-28
AI Technical Summary
The existing oil pan has complex design, resulting in high production costs, low uniform utilization rate of molds, and the thin sheet metal oil pan NVH is less ideal, and the heat dissipation effect is average.
Design an oil-top pan frame, integrating oil filter, refrigeration and air conditioner, oil ruler conduit, starter, gearbox and other interfaces, and built-in lubricating oil channels that communicate with the cylinder block to avoid designing these interfaces in the cylinder. On the body.
The cylinder block design is simplified, the design complexity and production cost of the lower oil pan are reduced, and the structural strength and heat dissipation performance of the lower oil pan are improved, making it easier to adjust the lower oil pan under the matching of different models to reduce the design cost.
Smart Images
Figure CN222478784U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to an oil pan frame, in particular to an upper oil pan frame and a gasoline engine. Background Art
[0002] The existing oil pan design mostly only realizes the function of storing oil, and is generally directly connected to the cylinder body. In this design, the oil pan is mostly made of sheet metal stamping steel oil pan. Although the design is simple, in order to meet the storage of a certain amount of oil, the overall or partial height of the oil pan is generally high. The product often requires deep stamping to achieve molding, which has high requirements for material selection. In addition, the NVH of the thin sheet metal oil pan is not ideal, and the heat dissipation effect is also average. Even if an aluminum alloy oil pan design is adopted, and some functional feature designs are integrated, the matching of different models requires re-optimization and design, the production cost is high, the unified mold utilization rate is low, and the oil filter, refrigeration air conditioner, oil dipstick guide tube, starter, and gearbox are all set on the cylinder body, which makes the cylinder body design complicated and the manufacturing cost high. Utility Model Content
[0003] The utility model aims to overcome the shortcomings of the prior art and provide an upper oil pan frame and a gasoline engine.
[0004] The purpose of the utility model is achieved through the following technical scheme: an upper oil pan frame, an oil storage cavity is opened at the upper part of the upper oil pan frame, a lubricating oil channel hole is arranged in the oil storage cavity, and the upper end face of the upper oil pan frame has an upper flange, a cavity is opened at the middle and lower part of the upper oil pan frame, and the middle and lower end face of the upper oil pan frame has a middle and lower flange, an oil filter interface is opened on the left end face of the upper oil pan frame, a mounting portion is arranged on the right end face of the upper oil pan frame, a gearbox mounting flange is arranged on the mounting portion, and a starter mounting interface is also arranged on the mounting portion, and a refrigeration air conditioner mounting platform is also arranged on the back side of the upper oil pan frame.
[0005] Optionally, an oil dipstick conduit insertion hole is provided on the back side of the upper oil pan frame, and the oil dipstick conduit insertion hole is connected to the oil storage chamber.
[0006] Optionally, a plurality of reinforcing ribs are further provided on the back side of the upper oil pan frame, and the plurality of reinforcing ribs are distributed at intervals.
[0007] A gasoline engine comprises a lower oil pan, a gearbox, a refrigeration air conditioner, a starter, an oil filter and a cylinder body, and also comprises an upper oil pan frame, wherein the upper flange of the upper oil pan frame is connected to the bottom of the cylinder body through a flange, the oil filter is installed at the oil filter interface of the upper oil pan frame, and a lubricating oil inlet hole and a lubricating oil outlet hole are also provided on the upper end surface of the upper oil pan frame, one end of the lubricating oil inlet hole is communicated with the oil outlet cavity of the upper oil pan frame, the other end of the lubricating oil passage is communicated with the oil filter, the oil outlet end of the oil filter is communicated with the lubricating oil outlet hole, and the lubricating oil outlet hole is sealed and connected with the inlet hole of the cylinder body, the refrigeration air conditioner is installed on the refrigeration air conditioner installation platform, the gearbox is installed on the gearbox installation flange, the starter is installed at the starter installation interface, the gearbox is located on the left side of the gearbox installation flange, the starter is located on the right side of the gearbox installation flange, and the lower oil pan is installed on the middle and lower flange.
[0008] Optionally, an oil dipstick guide is installed in the oil dipstick guide socket on the upper oil pan.
[0009] Optionally, a plurality of positioning pin holes are provided on the end surface of the upper flange, positioning pins are installed in the positioning pin holes, and pin holes corresponding to the positioning pins are provided at the bottom of the cylinder body.
[0010] Optionally, four screw holes are provided on the refrigeration and air conditioning machine installation platform, and the refrigeration and air conditioning machine can be detachably installed on the refrigeration and air conditioning machine installation platform by means of locking screws.
[0011] The utility model has the following advantages: the upper oil pan frame of the utility model integrates interfaces for connecting the oil filter, refrigeration air conditioner, oil dipstick guide tube, starter, gearbox, etc., and also has a built-in lubricating oil channel interconnected with the cylinder body, thereby avoiding the design of these interfaces on the cylinder body, making the cylinder body design simpler, and also making the design of the lower oil pan simpler, without the need to design a sheet metal stamping oil pan according to a deep drawing structure. At the same time, it is convenient to only adjust the lower oil pan to achieve a reduction in design cost when matching different vehicle models, rather than adjusting the entire oil pan that should have been designed as a high-depth drawing. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] Figure 1 is a schematic diagram of the front view of the upper oil pan frame;
[0013] Figure 2 is a top view schematic diagram of the upper oil pan frame;
[0014] Figure 3 is a bottom view schematic diagram of the upper oil pan frame;
[0015] Figure 4 It is a left side schematic diagram of the upper oil pan frame;
[0016] Figure 5is a right side schematic diagram of the upper oil pan frame;
[0017] Figure 6 Schematic diagram of the gasoline engine structure Figure 1 ;
[0018] Figure 7 Schematic diagram of the gasoline engine structure Figure 2 ;
[0019] In the figure, 1-upper flange, 2-locating pin hole, 3-oil storage chamber, 4-lubricating oil channel hole, 5-middle and lower flange, 6-cavity, 7-reinforcement rib, 8-oil dipstick guide tube jack, 9-refrigeration and air conditioning installation platform, 10-oil filter interface, 11-transmission mounting flange, 12-starter installation interface, 100-upper oil pan frame, 200-oil dipstick guide tube, 300-refrigeration and air conditioning, 400-starter, 500-transmission, 600-oil filter, 700-lower oil pan, 800-cylinder body. DETAILED DESCRIPTION
[0020] In order to make the purpose, technical scheme and advantages of the embodiments of the present invention clearer, the technical scheme in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. The components of the embodiments of the present invention described and shown in the drawings here can be arranged and designed in various different configurations.
[0021] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in the field without creative work are within the scope of protection of the present invention.
[0022] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features thereof may be combined with each other.
[0023] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.
[0024] In the description of the present utility model, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, or the positions or positional relationships in which the utility model product is usually placed when in use, or the positions or positional relationships commonly understood by those skilled in the art, which are only for the convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.
[0025] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0026] like Figure 6 and Figure 7 As shown, a gasoline engine includes a lower oil pan 700, a gearbox 500, a refrigeration air conditioner 300, a starter 400, an oil filter 600 and a cylinder block 800, and also includes an upper oil pan frame 100, such as Figures 1 to 5 As shown, an oil storage chamber 3 is provided at the upper portion of the upper oil pan frame 100, a lubricating oil passage hole 4 is provided in the oil storage chamber 3, and an upper flange 1 is provided on the upper end surface of the upper oil pan frame 100. Figure 3 As shown, a cavity 6 is provided in the middle and lower part of the upper oil pan frame 100, and a middle and lower flange 5 is provided on the middle and lower end surface of the upper oil pan frame 100. Figure 4 As shown, an oil filter interface 10 is provided on the left end surface of the upper oil pan frame 100, and a mounting portion is provided on the right end surface of the upper oil pan frame 100. The mounting portion has a gearbox 500 mounting flange 11, and a starter mounting interface 12 is also provided on the mounting portion. Figure 2 As shown, a refrigeration and air conditioning machine mounting platform 9 is also provided on the back of the upper oil pan frame 100, the upper flange 1 of the upper oil pan frame 100 is connected to the bottom of the cylinder body 800 through a flange, and the oil filter interface 10 of the upper oil pan frame 100 is installed with an oil filter 600. In this embodiment, Figure 1As shown, the lubricating oil passage hole 4 includes a lubricating oil inlet hole and a lubricating oil outlet hole, that is, a lubricating oil inlet hole and a lubricating oil outlet hole are also provided on the upper end surface of the upper oil pan frame 100, wherein the end surface of the lubricating oil outlet hole is flush with the end surface of the upper flange 1, the refrigeration and air conditioning machine 300 is mounted on the refrigeration and air conditioning machine mounting platform 9, the gearbox 500 is mounted on the gearbox 500 mounting flange 11, the starter 400 is mounted at the starter mounting interface 12, and the gearbox 500 is located on the left side of the gearbox 500 mounting flange 11, the starter 400 is located on the right side of the gearbox 500 mounting flange 11, and the lower oil pan 700 is mounted on the middle and lower flange 5; the upper oil pan frame 100 plays the role of the cylinder body 800 and The lower oil pan 700 serves as a transition connection, and interfaces for connecting the oil filter 600, the refrigeration and air conditioning unit 300, the oil dipstick duct 200, the starter 400, the gearbox 500, etc. are integrated on the upper oil pan frame 100. A lubricating oil passage that communicates with the cylinder body 800 is also built in, thereby avoiding the need to design these interfaces on the cylinder body 800, making the design of the cylinder body 800 simpler, and also making the design of the lower oil pan 700 simpler, without the need to design a sheet metal stamping oil pan according to a deep drawing structure. At the same time, it is also convenient to only adjust the lower oil pan 700 to achieve a reduction in design costs when matching different vehicle models, rather than adjusting the entire oil pan that was originally designed to be highly deep drawn.
[0027] In this embodiment, if Figure 1 As shown, the lubricating oil inlet hole and the lubricating oil outlet hole are distributed in an "8" shape, one end of the lubricating oil inlet hole is connected to the oil outlet chamber of the upper oil pan frame 100, and the other end of the lubricating oil inlet hole is connected to the oil filter 600, and the oil outlet end of the oil filter 600 is connected to the lubricating oil outlet hole, and the lubricating oil outlet hole is sealedly connected to the inlet hole of the cylinder body 800. Furthermore, sealing rings are provided at the lubricating oil inlet hole and the outlet hole. When the cylinder body 800 is connected to the upper flange 1, the lubricating oil inlet and outlet holes in the shape of "8" are sealedly connected to the cylinder body 800. Therefore, the low-pressure oil located in the oil storage chamber 3 enters the oil filter 600 through the lubricating oil inlet hole, and then enters the cylinder body 800 through the lubricating oil outlet hole after being filtered, thereby providing lubricating oil to the cylinder body 800.
[0028] In this embodiment, if Figure 2 As shown, an oil dipstick conduit hole 8 is opened on the back of the upper oil pan frame 100, and the oil dipstick conduit hole 8 is connected to the oil storage chamber 3. An oil dipstick conduit 200 is installed in the oil dipstick conduit hole 8, and the oil in the oil storage chamber 3 can be checked through the oil dipstick conduit 200.
[0029] In this embodiment, if Figure 2As shown, a plurality of reinforcing ribs 7 are provided on the back of the upper oil pan frame 100, and the plurality of reinforcing ribs 7 are distributed at intervals, thereby improving the structural strength of the upper oil pan frame 100, and thereby improving the overall connection strength of the engine. Optionally, the upper oil pan frame 100 is made of aluminum alloy material, thereby ensuring the overall heat dissipation of the upper oil pan frame 100, and also ensuring the performance of the engine.
[0030] In this embodiment, if Figure 1 As shown, a plurality of locating pin holes 2 are provided on the end surface of the upper flange 1. Preferably, two locating pin holes 2 are provided on the end surface of the upper flange 1. Locating pins are installed in the locating pin holes 2, and pin holes corresponding to the locating pins are provided at the bottom of the cylinder body 800. During installation, the cylinder body 800 and the upper oil pan frame 100 are connected via flanges. During connection, locating pins are installed in the locating pin holes 2, thereby ensuring the installation accuracy of the cylinder body 800 and the upper oil pan frame 100. Of course, the cylinder body 800 and the upper oil pan frame 100 need to be sealed. Optionally, a sealing gasket is installed between the cylinder body 800 and the upper flange 1. Preferably, a sealing gasket is installed at the end of the upper flange 1. An inner chamfer is set on the inner side of the surface, and then sealant is applied on the end face of the upper flange 1. When the cylinder body 800 contacts the upper flange 1, the sealant is squeezed, and then part of the sealant is squeezed to the inner chamfer. When the sealant is cured, the sealant seals the connection between the upper flange 1 and the cylinder body 800. Of course, in order to further improve the sealing reliability between the upper flange 1 and the cylinder body 800, a sealing glue groove is opened on the upper flange 1. Similarly, an inner chamfer is also set on the inner side of the cross section of the middle and lower flange 5. The lower oil pan 700 and the middle and lower flange 5 are also sealed with sealant, and a sealing glue groove is also opened on the middle and lower flange 5.
[0031] In this embodiment, if Figure 2 As shown, four screw holes are provided on the refrigeration and air-conditioning machine mounting platform 9. The refrigeration and air-conditioning machine 300 can be detachably mounted on the refrigeration and air-conditioning machine mounting platform 9 by means of locking screws. To ensure accurate installation of the refrigeration and air-conditioning machine 300, four cylindrical supports are provided on the refrigeration and air-conditioning machine mounting platform 9. In addition to the screw mounting holes designed on the four cylindrical supports, mounting holes for positioning pin sleeves are also designed on two of the supports.
[0032] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.
Claims
1. An upper oil pan frame, characterized in that: An oil storage cavity is provided at the upper part of the upper oil pan frame, a lubricating oil channel hole is provided in the oil storage cavity, and an upper flange is provided on the upper end surface of the upper oil pan frame, a cavity is provided at the middle and lower part of the upper oil pan frame, and a middle and lower flange is provided on the middle and lower end surface of the upper oil pan frame, an oil filter interface is provided on the left end surface of the upper oil pan frame, a mounting portion is provided on the right end surface of the upper oil pan frame, a gearbox mounting flange is provided on the mounting portion, and a starter mounting interface is also provided on the mounting portion, and a refrigeration air conditioner mounting platform is also provided on the back side of the upper oil pan frame.
2. The upper oil pan frame according to claim 1, characterized in that: An oil dipstick conduit insertion hole is provided on the back side of the upper oil pan frame, and the oil dipstick conduit insertion hole is communicated with the oil storage cavity.
3. An upper oil pan frame according to claim 1 or 2, characterized in that: The back side of the upper oil pan frame is also provided with a plurality of reinforcing ribs, and the plurality of reinforcing ribs are distributed at intervals.
4. A gasoline engine, comprising a lower oil pan, a gearbox, a refrigeration air conditioner, a starter, an oil filter and a cylinder block, characterized in that: It also includes the upper oil pan frame according to any one of claims 1 to 3, the upper flange of the upper oil pan frame is connected to the bottom of the cylinder body through a flange, the oil filter interface of the upper oil pan frame is installed with the oil filter, and a lubricating oil inlet hole and a lubricating oil outlet hole are also opened on the upper end surface of the upper oil pan frame, one end of the lubricating oil inlet hole is communicated with the oil outlet cavity of the upper oil pan frame, the other end of the lubricating oil inlet hole is communicated with the oil filter, the oil outlet end of the oil filter is communicated with the lubricating oil outlet hole, and the lubricating oil outlet hole is sealed and connected to the inlet hole of the cylinder body, the refrigeration and air conditioner is installed on the refrigeration and air conditioner installation platform, the gearbox is installed on the gearbox mounting flange, the starter is installed at the starter mounting interface, and the gearbox is located on the left side of the gearbox mounting flange, and the starter is located on the right side of the gearbox mounting flange, and the lower oil pan is installed on the middle and lower flange.
5. A gasoline engine according to claim 4, characterized in that: An oil dipstick conduit is installed in the oil dipstick conduit insertion hole on the upper oil pan.
6. A gasoline engine according to claim 4, characterized in that: A plurality of positioning pin holes are provided on the end surface of the upper flange, positioning pins are installed in the positioning pin holes, and pin holes corresponding to the positioning pins are provided at the bottom of the cylinder body.
7. A gasoline engine according to claim 4, characterized in that: The refrigeration and air-conditioning machine installation platform is provided with four screw holes, and the refrigeration and air-conditioning machine is detachably installed on the refrigeration and air-conditioning machine installation platform by means of locking screws.