High-performance diesel engine

Abstract

The utility model relates to the technical field of diesel engines, in particular to a high-performance diesel engine which comprises a diesel engine body, a gear chamber arranged in the diesel engine body, a crankshaft arranged in the gear chamber, a gear set arranged on the side face of the crankshaft, a connecting rod arranged on the side face of the gear set, a connecting rod arranged on the outer surface of the crankshaft, and a piston body fixedly connected to the tail end of the connecting rod. A mounting plate is fixedly connected to the side face of the diesel engine body, a hole is formed in the side face of the mounting plate, a diesel filter cup is arranged on the side face of the diesel engine body, and a starting motor is installed on the side face of the diesel engine body; the diesel engine body, the crankshaft, the connecting rod and the piston body are used in cooperation, the piston body moves through the crankshaft and is located in the diesel engine body, the sealing performance is good, the deformation influence on the piston body is reduced, the rigidity and strength of the piston body are improved, and the engine oil consumption rate of the diesel engine is increased.

Description

Technical Field

[0001] The utility model relates to the technical field of diesel engines, in particular to a high-performance diesel engine. Background Art

[0002] Diesel engines have the advantages of large power and good economic performance. The working process of diesel engines has many similarities with that of gasoline engines. Each working cycle also experiences four strokes: intake, compression, power, and exhaust. However, since the fuel used in diesel engines is diesel, its viscosity is greater than that of gasoline, it is not easy to evaporate, and its self-ignition temperature is lower than that of gasoline.

[0003] In the prior art, such as: CN209855904U, a single-cylinder diesel engine, the oil passage on the gear chamber cover body can also be replaced by an oil pipe. There are an oil pump installation groove and stepped installation holes on the gear chamber cover body, and the quantity and shape can be changed. The structure of the utility model is simplified, reasonable, reliable, compact and concise, easy to manufacture, with a short fuel pipeline, high efficiency, and convenient installation and maintenance.

[0004] However, there are still certain deficiencies in the use of this device. During the use of this diesel engine, the power of the diesel engine is low during operation, reducing the work efficiency. During long-term operation, the movement of the crankshaft is large. Due to the low hardness of the crankshaft, it is prone to fracture, reducing the service life and practicability. Content of the Utility Model

[0005] The purpose of the utility model is to provide a high-performance diesel engine to solve the problems proposed in the above background art that during the use of this diesel engine, the power of the diesel engine is low during operation, reducing the work efficiency. During long-term operation, the movement of the crankshaft is large. Due to the low hardness of the crankshaft, it is prone to fracture, reducing the service life and practicability.

[0006] To achieve the above purpose, the utility model provides the following technical solutions:

[0007] A high-performance diesel engine, including a diesel engine body. A gear chamber is arranged inside the diesel engine body. A crankshaft is arranged inside the gear chamber. A gear set is arranged on the side of the crankshaft. A connecting rod is arranged on the side of the gear set. A connecting rod is arranged on the outer surface of the crankshaft. The end of the connecting rod is fixedly connected to a piston body. A runner is arranged at the end of the crankshaft. The runner is located on the side of the diesel engine body. An installation plate is fixedly connected to the side of the diesel engine body. A hole is opened on the side of the installation plate. A diesel filter cup is arranged on the side of the diesel engine body. A starting motor is installed on the side of the diesel engine body.

[0008] As a preferred embodiment of the present utility model, an oil storage tank and a large-capacity water tank are respectively fixedly connected to the top of the diesel engine body. An oil inlet pipe is fixedly connected to the top of the oil storage tank. The oil inlet pipe is communicated with the oil storage tank, and the end of the oil inlet pipe is threadedly connected with an oil tank cap.

[0009] As a preferred embodiment of the present utility model, two conduits are respectively fixedly connected to the side of the diesel engine body. A muffler and an air filter are respectively arranged at the ends of the two conduits. An exhaust pipe is fixedly connected to the top of the muffler.

[0010] As a preferred embodiment of the present utility model, an installation pull ring is arranged on the top of the oil storage tank. A measuring ruler is fixedly connected to the installation pull ring. The measuring ruler penetrates through the oil storage tank and extends into the oil storage tank. The measuring ruler is threadedly connected with the oil storage tank.

[0011] As a preferred embodiment of the present utility model, a water inlet is opened on the top of the large-capacity water tank. A filter screen is arranged in the water inlet. The large-capacity water tank is located on the side of the oil storage tank.

[0012] As a preferred embodiment of the present utility model, two support frames are fixedly connected to the bottom of the diesel engine body. The materials of the two support frames are both stainless steel.

[0013] As a preferred embodiment of the present utility model, the hardness of the crankshaft is 240 HBS - 300 HBS. The outer surface of the crankshaft is subjected to soft nitriding treatment, and the hardness of the outer surface of the crankshaft is not less than 420 Hv.

[0014] As a preferred embodiment of the present utility model, the outer surface of the diesel engine body is coated with an anti-corrosion material. The materials of the large-capacity water tank and the oil storage tank are coated with paint.

[0015] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0016] 1. In the present utility model, by setting the cooperation of the diesel engine body, the crankshaft, the connecting rod and the piston body, since the piston body moves through the crankshaft, and at the same time the piston body is located in the diesel engine body, the sealing performance is good, reducing the influence on the deformation of the piston body, improving the rigidity and strength of the piston body, and improving the oil consumption rate of the diesel engine.

[0017] 2. In the present utility model, by setting the cooperation of the crankshaft, the oil storage tank, the muffler and the air filter, the outer surface of the crankshaft is subjected to soft nitriding treatment, and the outer surface hardness is not less than 420 Hv, thereby improving the service life of the crankshaft. At the same time, the stability of the piston body during operation is improved, and the practicability is improved through the muffler and the air filter. Description of the Drawings

[0018] Figure 1Schematic diagram of the overall structure of the present utility model;

[0019] Figure 2 Schematic diagram of the side structure of the present utility model;

[0020] Figure 3 Schematic diagram of the internal structure of the diesel engine body of the present utility model;

[0021] Figure 4 Schematic diagram of the crankshaft structure of the present utility model.

[0022] In the figure: 1. Diesel engine body; 2. Fuel storage tank; 3. Support frame; 4. Fuel tank cap; 5. Fuel inlet pipe; 6. Large-capacity water tank; 7. Muffler; 8. Air filter; 9. Installation pull ring; 10. Diesel filter cup; 11. Installation plate; 12. Runner; 13. Crankshaft; 14. Connecting rod; 15. Piston body; 16. Connecting rod; 17. Duct; 18. Gear set; 19. Gear chamber. Specific embodiments

[0023] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with 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.

[0024] Embodiment, please refer to Figures 1 - 4 The present utility model provides a technical solution:

[0025] A high-performance diesel engine, including a diesel engine body 1, a gear chamber 19 is arranged inside the diesel engine body 1, a crankshaft 13 is arranged inside the gear chamber 19, a gear set 18 is arranged on the side of the crankshaft 13, a connecting rod 16 is arranged on the side of the gear set 18, a connecting rod 14 is arranged on the outer surface of the crankshaft 13, a piston body 15 is fixedly connected to the end of the connecting rod 14, a runner 12 is arranged at the end of the crankshaft 13, the runner 12 is located on the side of the diesel engine body 1, an installation plate 11 is fixedly connected to the side of the diesel engine body 1, a hole is opened on the side of the installation plate 11, a diesel filter cup 10 is arranged on the side of the diesel engine body 1, a starting motor is installed on the side of the diesel engine body 1, a fuel storage tank 2 and a large-capacity water tank 6 are respectively fixedly connected to the top of the diesel engine body 1, a fuel inlet pipe 5 is fixedly connected to the top of the fuel storage tank 2, the fuel inlet pipe 5 is communicated with the fuel storage tank 2, and the end of the fuel inlet pipe 5 is threadedly connected with a fuel tank cap 4.

[0026] Among them, when the diesel engine body 1 is working, due to its good sealing performance, the deformation influence on the piston body 15 is reduced, the rigidity and strength of the piston body 15 are improved, and the oil consumption rate of the diesel engine body 1 is improved.

[0027] In this embodiment, according to Figure 1 , Figure 2 , Figure 3 and Figure 4 as shown, two conduits 17 are fixedly connected to the side of the diesel engine body 1 respectively. Mufflers 7 and air filters 8 are arranged at the ends of the two conduits 17 respectively. An exhaust pipe is fixedly connected to the top of the muffler 7. An installation pull ring 9 is arranged at the top of the fuel tank 2. A measuring scale is fixedly connected to the installation pull ring 9. The measuring scale penetrates through the fuel tank 2 and extends into the fuel tank 2. The measuring scale is threadedly connected to the fuel tank 2. A water inlet is opened at the top of the large-capacity water tank 6. A filter screen is arranged in the water inlet. The large-capacity water tank 6 is located on the side of the fuel tank 2. Two support frames 3 are fixedly connected to the bottom of the diesel engine body 1. The materials of the two support frames 3 are both stainless steel. The hardness of the crankshaft 13 is 240 HBS - 300 HBS. The outer surface of the crankshaft 13 is subjected to soft nitriding treatment. The hardness of the outer surface of the crankshaft 13 is not less than 420 Hv. The outer surface of the diesel engine body 1 is coated with an anti-corrosion material. The materials of the large-capacity water tank 6 and the fuel tank 2 are coated with paint.

[0028] Among them, the outer surface of the shaft 13 is subjected to soft nitriding treatment, and the hardness of the outer surface is not less than 420 Hv, thereby improving the service life of the crankshaft 13. At the same time, the stability of the piston body 15 during operation is improved. The practicability is improved by the muffler 7 and the air filter 8.

[0029] The working process of the present utility model: When the high-performance diesel engine designed by this solution is in operation, first check whether the device is in normal use. Install the diesel engine body 1 in a suitable working area. Add diesel into the fuel tank 2. Start the diesel engine body 1. Through the water in the large-capacity water tank 6, the diesel engine body 1 during operation can be cooled. At the same time, the crankshaft 13 drives the connecting rod 14 and the gear set 18 to move. At the same time, the piston body 15 works inside the diesel engine body 1. When the diesel engine body 1 is in operation, due to good sealing performance, the deformation influence on the piston body 15 is reduced, the rigidity and strength of the piston body 15 are improved, and the oil consumption rate of the diesel engine body 1 is improved. The outer surface of the crankshaft 13 is subjected to soft nitriding treatment, and the hardness of the outer surface is not less than 420 Hv. All the machined surfaces of the crankshaft 13 should be smooth, without cracks, indentations, burrs, pores, dents and non-metallic inclusions. There should be no scratches and black bottoms on the polished surface. At the same time, all the non-machined outer surfaces of the crankshaft 13 have no burrs, cracks, scabs, slag inclusions and defects affecting the strength of the crankshaft. After the crankshaft 13 is nitrided, the main journal and connecting rod journal surfaces must be polished and rounded, thereby improving the service life of the crankshaft 13. At the same time, the stability of the piston body 15 during operation is improved. The practicability is improved by the muffler 7 and the air filter 8.

[0030] Although embodiments of the present utility model have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. A high-performance diesel engine, comprising a diesel engine body (1), characterized in that: A gear chamber (19) is provided inside the diesel engine body (1). A crankshaft (13) is provided inside the gear chamber (19). A gear set (18) is provided on the side of the crankshaft (13). A connecting rod (16) is provided on the side of the gear set (18). A connecting rod (14) is provided on the outer surface of the crankshaft (13). The end of the connecting rod (14) is fixedly connected to a piston body (15). A runner (12) is provided at the end of the crankshaft (13). The runner (12) is located on the side of the diesel engine body (1). An installation plate (11) is fixedly connected to the side of the diesel engine body (1). A hole is provided in the side of the installation plate (11). A diesel filter cup (10) is provided on the side of the diesel engine body (1). A starting motor is installed on the side of the diesel engine body (1).

2. The high-performance diesel engine according to claim 1, characterized in that: A fuel tank (2) and a large-capacity water tank (6) are respectively fixedly connected to the top of the diesel engine body (1). An oil inlet pipe (5) is fixedly connected to the top of the fuel tank (2). The oil inlet pipe (5) communicates with the fuel tank (2). The end of the oil inlet pipe (5) is threadedly connected to a fuel tank cap (4).

3. The high-performance diesel engine according to claim 1, characterized in that: Two ducts (17) are respectively fixedly connected to the side of the diesel engine body (1). A muffler (7) and an air filter (8) are respectively provided at the ends of the two ducts (17). An exhaust pipe is fixedly connected to the top of the muffler (7).

4. The high-performance diesel engine according to claim 2, characterized in that: An installation pull ring (9) is provided on the top of the fuel tank (2). A measuring scale is fixedly connected to the installation pull ring (9). The measuring scale penetrates through the fuel tank (2) and extends into the fuel tank (2). The measuring scale is threadedly connected to the fuel tank (2).

5. The high-performance diesel engine according to claim 2, characterized in that: An inlet is provided at the top of the large-capacity water tank (6). A filter screen is provided inside the inlet. The large-capacity water tank (6) is located on the side of the fuel tank (2).

6. The high-performance diesel engine according to claim 1, wherein: Two support frames (3) are fixedly connected to the bottom of the diesel engine body (1). The materials of the two support frames (3) are both stainless steel.

7. The high-performance diesel engine according to claim 1, characterized in that: The hardness of the crankshaft (13) is 240HBS - 300HBS. The outer surface of the crankshaft (13) is subjected to soft nitriding treatment. The hardness of the outer surface of the crankshaft (13) is not less than 420Hv.

8. The high-performance diesel engine according to claim 2, wherein: The outer surface of the diesel engine body (1) is coated with an anti-corrosion material. The materials of the large-capacity water tank (6) and the fuel tank (2) are coated with paint.

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