Diesel engine structure oil pan for agricultural machinery
The integrated casting design of the oil pan structure solves the problems of cracking and leakage in the oil pan of agricultural machinery diesel engines, achieves stable oil storage in harsh environments, reduces the difficulty of lubrication system layout, and enhances connection strength.
Patent Information
- Application Number
- CN202520392981.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-07
- Publication Date
- 2025-11-21
- Estimated Expiration
- 2035-03-07
AI Technical Summary
Existing agricultural machinery diesel engine oil pans are prone to cracking and leakage due to unreasonable structural design, and have difficulty absorbing oil in harsh environments.
The oil pan main structure adopts an integrated casting design, including a front bracket mounting plate, a flywheel housing mounting plate, and a front end face mounting reinforcement area for the oil pan. This simplifies the structure, reduces the number of interfaces, enhances the connection with the engine block, and adapts to the operating environment of agricultural machinery.
It improves the oil storage function of the oil pan, reduces the difficulty of lubrication system layout, enhances connection strength, reduces the risk of leakage, and is suitable for applications with crossbeams in the whole vehicle.
Smart Images

Figure CN223578011U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of engine oil sump, concretely relates to diesel engine structure oil sump for agricultural machinery. BACKGROUND
[0002] With the popularization of domestic agricultural mechanization, the agricultural machinery market welcomes development, especially the demand of large horsepower agricultural machinery is more and more, and diesel engine bears the role of chassis in such application. The oil sump of such application not only meets the basic function of oil storage of engine oil sump, but also meets the requirement of bearing, and needs to develop diesel engine structure oil sump for agricultural machinery. In the development of structure oil sump, if the structure design is unreasonable, the basic oil storage function of oil sump cannot be met in the harsh use environment of agricultural machinery, causing oil suction difficulty.
[0003] The defects of prior art are:
[0004] Because the oil sump of prior art needs to bear, in the case of unreasonable structure design, the engine cracking, oil sump cracking and leakage will be caused. SUMMARY
[0005] The utility model discloses to the above -mentioned problem provides diesel engine structure oil sump for agricultural machinery, and its purpose is to simplify the structure, reduce the interface quantity;Meet the oil storage function, reduce the difficulty of the arrangement of lubricating system in the inside of oil sump;Strengthen the connection of oil sump and engine cylinder body, reduce leakage;When using in the application of whole car with crossbeam, reduce the stress.
[0006] To solve the above problem, the technical scheme provided by the utility model is:
[0007] A diesel engine structure oil sump for agricultural machinery, comprising an oil sump main body structure, a front bracket mounting plate, a flywheel housing mounting plate, and an oil sump front end face mounting reinforcement zone, wherein:
[0008] The oil sump main body structure, the front bracket mounting plate, the flywheel housing mounting plate, and the oil sump front end face mounting reinforcement zone are an integral structure obtained by casting;The front bracket mounting plate is arranged on the front side of the oil sump main body structure;The flywheel housing mounting plate is arranged on the rear end face of the oil sump main body structure;The oil sump front end face mounting reinforcement zone is arranged on the left and right sides of the front end of the oil sump main body structure;The upper end face of the oil sump main body structure is provided with mounting through holes, an oil level gauge avoidance zone, and an oil suction pipe mounting groove;The mounting through holes are uniformly arranged on the upper end face of the oil sump main body structure;The oil level gauge avoidance zone is arranged on one side of the connection between the upper end face and the inner surface of the oil sump main body structure;The oil suction pipe mounting groove is arranged on one side of the connection between the upper end face and the inner surface of the oil sump main body structure.
[0009] Preferably, the bottom of the side of the oil sump body structure close to the front bracket mounting plate is provided with a drain hole; the drain hole is symmetrically arranged on both sides of the oil sump body structure.
[0010] Preferably, the left and right sides of the oil sump body structure are symmetrically provided with accessory mounting bosses.
[0011] Preferably, the number of the accessory mounting bosses is 8, and each of the left and right sides of the oil sump body structure is provided with four accessory mounting bosses.
[0012] Preferably, the oil level gauge avoidance area is provided with three.
[0013] Preferably, the internal length of the oil sump body structure is 730mm-750mm; the internal width of the oil sump body structure is 215mm-230mm; the height of the oil sump body structure is 150mm-170mm; and the internal inclination angle of the oil sump body structure is 1°-2.5°.
[0014] Preferably, the surface of the front bracket mounting plate is symmetrically arranged with eight first mounting threaded holes; and two of the first mounting threaded holes are used as positioning pin holes after the upper machine pin holes.
[0015] Preferably, the surface of the flywheel housing mounting plate is symmetrically arranged with a plurality of second mounting threaded holes.
[0016] Preferably, the left and right sides of the lower part of the oil sump front end face mounting reinforcement area are symmetrically provided with reinforcing ribs for improving the mounting stiffness.
[0017] Preferably, the reinforcing rib thickness of the reinforcing rib is 10mm-16mm, and the reinforcing rib length is 70mm-80mm.
[0018] Compared with the prior art, the utility model has the following advantages:
[0019] 1. The oil sump of the utility model adopts integrated casting design, so that the structure is simple and the number of interfaces is reduced.
[0020] 2. The reasonable arrangement of the oil sump body of the utility model meets the oil storage function and reduces the difficulty of arranging the lubrication system inside the oil sump.
[0021] 3. The size arrangement of the oil sump body mechanism and the design of the front and rear end connecting plates of the utility model can make the oil sump have a bearing function, the front end is provided with a reinforced mounting area, and can be connected with the side end of the cylinder body, so that the connection between the oil sump and the engine cylinder body is further strengthened, and leakage is reduced.
[0022] 4. The oil sump of the utility model does not have an auxiliary cross beam, so that when it is used in a vehicle with a cross beam, the stress is smaller. BRIEF DESCRIPTION OF DRAWINGS
[0023] Figure 1 The utility model discloses a specific embodiment's agricultural machinery diesel engine structure oil sump perspective view schematic diagram shows the figure;
[0024] Figure 2a The utility model discloses a specific embodiment's plan view schematic diagram shows the figure;
[0025] Figure 2b The utility model discloses a specific embodiment's side view schematic diagram shows the figure;
[0026] Figure 3 The utility model discloses a specific embodiment's front bracket mounting plate schematic diagram shows the figure;
[0027] Figure 4 The utility model discloses a specific embodiment's flywheel housing mounting plate schematic diagram shows the figure.
[0028] Wherein: 1. oil sump main body structure, 2. front bracket mounting plate, 3. flywheel housing mounting plate, 4. oil sump front end face installation reinforcing area, 1a. install through -hole, 1b. oil drain hole, 1c. accessory installation boss, 1d. oil level gauge avoidance area, 1e. oil suction pipe installation recess, L1. Internal length, L2. Internal width, h. Height, alpha. Internal inclination, 2a. First installation screw hole, 2b. Positioning pin hole, 3a. Second installation screw hole, 4a. Reinforcing rib, L3. Reinforcing rib thickness, L4. Reinforcing rib length DETAILED DESCRIPTION
[0029] The utility model will be further illustrated in connection with specific embodiments, and it should be understood that these embodiments are only used to illustrate the utility model and are not used to limit the scope of the utility model, and after reading the utility model, the modification of various equivalent forms of the utility model by the person skilled in the art falls within the range defined in the claims attached to the present application.
[0030] As Figure 1 Shown, a kind of agricultural machinery diesel engine structure oil sump, include oil sump main body structure 1, front bracket mounting plate 2, flywheel housing mounting plate 3, oil sump front end face installation reinforcing area 4, wherein:
[0031] The oil sump body structure 1, the front bracket mounting plate 2, the flywheel cover mounting plate 3 and the oil sump front end face mounting reinforcing area 4 are an integral structure obtained by casting; the front bracket mounting plate 2 is arranged on the front side of the oil sump body structure 1; the flywheel cover mounting plate 3 is arranged on the rear end face of the oil sump body structure 1; the oil sump front end face mounting reinforcing area 4 is arranged on the left and right sides of the front end of the oil sump body structure 1; the upper end face of the oil sump body structure 1 is provided with mounting through holes 1a, an oil level gauge avoiding area 1d and an oil suction pipe mounting groove 1e; the mounting through holes 1a are uniformly arranged in a ring shape on the upper end face of the oil sump body structure 1; the oil level gauge avoiding area 1d is arranged on one side of the connecting position between the upper end face and the inner surface of the oil sump body structure 1; and the oil suction pipe mounting groove 1e is arranged on one side of the connecting position between the upper end face and the inner surface of the oil sump body structure 1.
[0032] It should be noted that the bottom of the side of the oil sump body structure 1 close to the front bracket mounting plate 2 is provided with a drain hole 1b; and the drain holes 1b are symmetrically arranged on the two sides of the oil sump body structure 1.
[0033] It should be noted that the oil sump body structure 1 is symmetrically provided with accessory mounting bosses 1c on the left and right sides.
[0034] It should be further noted that the accessory mounting bosses 1c can provide accessory mounting support, and the oil level gauge mounting position can be flexibly arranged according to the arrangement of the agricultural machinery accessories. The agricultural machinery can suck oil under different inclination angles.
[0035] In the specific embodiment, the number of the accessory mounting bosses 1c is 8, and four accessory mounting bosses 1c are arranged on each of the left and right sides of the oil sump body structure 1.
[0036] In the specific embodiment, the oil level gauge avoiding area 1d is provided with three oil level gauges.
[0037] As shown in Figure 2a , 2b It should be noted that the internal length L1 of the oil sump body structure 1 is 730mm-750mm; the internal width L2 of the oil sump body structure 1 is 215mm-230mm; the height h of the oil sump body structure 1 is 150mm-170mm; and the internal inclination angle a of the oil sump body structure 1 is 1°-2.5°. The size of the oil sump body structure 1 is used to ensure that the oil sump capacity is reasonable and the oil draining function is achieved.
[0038] As shown in Figure 3 , 4 It should be noted that the surface of the front bracket mounting plate 2 is symmetrically provided with eight first mounting threaded holes 2a; and two of the first mounting threaded holes 2a are used as positioning pin holes 2b after the upper machine pin holes are arranged.
[0039] It should be noted that the surface of the flywheel shell mounting plate 3 is symmetrically arranged with a plurality of second mounting threaded holes 3a.
[0040] It should be noted that the left and right sides of the lower part of the oil pan front end face mounting reinforcement area 4 are symmetrically provided with reinforcing ribs 4a for improving the mounting stiffness, effectively preventing the leakage of the front end of the oil pan of the agricultural machinery.
[0041] In the specific embodiment, the interval of the reinforcing rib thickness L3 of the reinforcing rib 4a is 10mm-16mm, and the interval of the reinforcing rib length L4 is 70mm-80mm.
[0042] In the above detailed description, various features are combined in a single embodiment for simplicity. This disclosure does not reflect the intention that the claimed subject matter requires more features than are expressly stated in each claim. Rather, the application is broadly applicable to all of the various features mentioned herein, alone or in combination with each other. Accordingly, the appended claims are hereby expressly incorporated into this detailed description, with each claim acting as a separate embodiment of the application.
[0043] In order for any person skilled in the art to be able to implement or use the present application, the above discloses the disclosed embodiments. For those skilled in the art, various modifications of these embodiments are obvious, and the general principles defined herein can also be applied to other embodiments without departing from the spirit and protection scope of the present disclosure. Therefore, the present disclosure is not limited to the embodiments given herein, but is consistent with the broadest scope of the principles and novel features disclosed in the present application.
[0044] The above description includes examples of one or more embodiments. Of course, it is impossible to describe all possible combinations of components or methods for describing the above embodiments, but those skilled in the art should recognize that various embodiments can be further combined and arranged. Therefore, the embodiments described herein are intended to cover all such changes, modifications and variations falling within the scope of the appended claims. In addition, with respect to the term "comprising" used in the specification or claims, the coverage of the term is similar to the term "including", as explained in the claims as a conjunction word. In addition, the use of any one term "or" in the specification of the claims is to mean "non-exclusive or".
[0045] The above specific embodiments explain the purpose, technical scheme and beneficial effects of the present application in further detail, and it should be understood that the above description is only a specific embodiment of the present application and is not used to limit the protection scope of the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the protection scope of the present application.
Claims
1. An oil pan structure for a diesel engine used in agricultural machinery, characterized in that: It includes the main structure of the oil pan (1), the front bracket mounting plate (2), the flywheel housing mounting plate (3), and the front end face mounting reinforcement area of the oil pan (4), wherein: The oil pan main structure (1), the front bracket mounting plate (2), the flywheel housing mounting plate (3), and the oil pan front end face mounting reinforcement area (4) are integral structures formed by casting; the front bracket mounting plate (2) is located on the front side of the oil pan main structure (1); the flywheel housing mounting plate (3) is located on the rear end face of the oil pan main structure (1); the oil pan front end face mounting reinforcement area (4) is located on the left and right sides of the front end of the oil pan main structure (1); the oil pan The upper end face of the main structure (1) is provided with a mounting through hole (1a), an oil dipstick clearance area (1d), and an oil suction pipe mounting groove (1e); the mounting through hole (1a) is evenly distributed around the upper end face of the oil pan main structure (1); the oil dipstick clearance area (1d) is located on one side where the upper end face of the oil pan main structure (1) connects with the inner surface; the oil suction pipe mounting groove (1e) is located on one side where the upper end face of the oil pan main structure (1) connects with the inner surface.
2. The oil pan structure for an agricultural machinery diesel engine according to claim 1, characterized in that: The bottom of the oil pan main structure (1) near the front bracket mounting plate (2) is provided with an oil drain hole (1b); the oil drain holes (1b) are symmetrically arranged on both sides of the oil pan main structure (1).
3. The oil pan structure for an agricultural machinery diesel engine according to claim 1, characterized in that: The oil pan main structure (1) is provided with accessory mounting bosses (1c) symmetrically on the left and right sides.
4. The oil pan structure for an agricultural machinery diesel engine according to claim 3, characterized in that: The number of accessory mounting bosses (1c) is 8, and 4 accessory mounting bosses (1c) are provided on each of the left and right sides of the oil pan main structure (1).
5. The oil pan structure for an agricultural machinery diesel engine according to claim 1, characterized in that: There are 3 oil dipstick avoidance zones (1d).
6. The oil pan structure for an agricultural machinery diesel engine according to claim 1, characterized in that: The internal length (L1) of the main oil pan structure (1) is in the range of 730mm to 750mm; the internal width (L2) of the main oil pan structure (1) is in the range of 215mm to 230mm; the height (h) of the main oil pan structure (1) is in the range of 150mm to 170mm; and the internal tilt angle (α) of the main oil pan structure (1) is in the range of 1° to 2.5°.
7. The oil pan structure for an agricultural machinery diesel engine according to claim 1, characterized in that: The front bracket mounting plate (2) has eight first mounting threaded holes (2a) symmetrically arranged on its surface; two of the first mounting threaded holes (2a) are used as positioning pin holes (2b) after the pin holes are added on the machine.
8. The oil pan structure for an agricultural machinery diesel engine according to claim 1, characterized in that: The surface of the flywheel housing mounting plate (3) is symmetrically arranged with a plurality of second mounting threaded holes (3a).
9. The oil pan structure for an agricultural machinery diesel engine according to claim 8, characterized in that: The lower left and right sides of the reinforcing area (4) on the front end face of the oil pan are symmetrically provided with reinforcing ribs (4a) to improve the installation rigidity.
10. The oil pan structure for an agricultural machinery diesel engine according to claim 9, characterized in that: The thickness (L3) of the reinforcing rib (4a) ranges from 10mm to 16mm, and the length (L4) of the reinforcing rib ranges from 70mm to 80mm.