CN210769055U - Diesel engine with high combustion rate - Google Patents
Diesel engine with high combustion rate Download PDFInfo
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- CN210769055U CN210769055U CN201921849153.8U CN201921849153U CN210769055U CN 210769055 U CN210769055 U CN 210769055U CN 201921849153 U CN201921849153 U CN 201921849153U CN 210769055 U CN210769055 U CN 210769055U
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Abstract
The utility model belongs to the technical field of diesel engine's technique and specifically relates to a diesel engine of high combustion rate has injection pump, fuel sprayer, high pressure fuel pipe and piston, high pressure fuel pipe's one end with the injection pump link to each other, high pressure fuel pipe's the other end with the fuel sprayer link to each other, the oil spout end of fuel sprayer aims at the piston combustion chamber of piston, the middle part of piston combustion chamber be the bellied round platform column structure that makes progress, this round platform column structure's last bottom surface diameter is less than its diameter of bottom surface down, round platform column structure's side and last bottom surface rounding off. The diesel engine with high combustion rate changes the middle of the piston combustion chamber into an inclined smooth transition shape, is favorable for oil injection of an oil injection nozzle, and improves the combustion efficiency of diesel oil.
Description
Technical Field
The utility model relates to a diesel engine's technical field, especially a diesel engine of high combustion rate.
Background
The diesel engine obtains energy release by burning diesel oil, and is widely applied to various large-scale diesel equipment because the diesel engine has the advantages of large torque and good economic performance.
Referring to fig. 2, in the conventional diesel engine on the market, an included angle formed between the middle plane and the periphery of a piston combustion chamber 4-1 in a piston 4 is a right angle, which is not beneficial to oil injection of an oil nozzle and reduces the combustion efficiency of diesel oil.
Disclosure of Invention
The to-be-solved technical problem of the utility model is: in order to overcome the defects in the prior art, the middle of the piston combustion chamber is changed into an inclined smooth transition shape, so that oil injection of an oil injection nozzle is facilitated, and the combustion efficiency of diesel oil is improved.
The utility model provides a technical scheme that its technical problem adopted is: the high-combustion-rate diesel engine is provided with an oil injection pump, an oil injection nozzle, a high-pressure oil pipe and a piston, wherein one end of the high-pressure oil pipe is connected with the oil injection pump, the other end of the high-pressure oil pipe is connected with the oil injection nozzle, the oil injection end of the oil injection nozzle is aligned to a piston combustion chamber of the piston, the middle part of the piston combustion chamber is of an upwards-protruding round platform-shaped structure, the diameter of the upper bottom surface of the round platform-shaped structure is smaller than that of the lower bottom surface of the round platform-shaped structure, and the side surface and the upper bottom surface of the round platform-.
More specifically, in the above technical solution, the side surface of the circular truncated cone-shaped structure and the bottom of the piston combustion chamber are in smooth transition through an arc.
More specifically, in the above technical solution, the distance between the axis of the piston and the axis of the piston combustion chamber is 0.6-1.0 mm.
More specifically, in the above technical solution, an included angle formed between an axis of the fuel injector and an axis of the piston combustion chamber is 8 to 12 °.
More specifically, in the above technical scheme, the vertical distance between the oil nozzle and the upper bottom surface is 2.5-3.5 mm.
The utility model has the advantages that: the diesel engine with high combustion rate changes the middle of the piston combustion chamber into an inclined smooth transition shape, is favorable for oil injection of an oil injection nozzle, and improves the combustion efficiency of diesel oil.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic view of a high combustion rate diesel engine according to the present invention;
the reference numbers in fig. 1 are: 1. an injection pump; 2. an oil jet; 3. a high pressure oil pipe; 4. a piston.
FIG. 2 is a schematic structural view of a conventional piston;
the reference numbers in fig. 2 are: 4. a piston; 4-1, piston combustion chamber.
Fig. 3 is a schematic structural diagram of a piston in a diesel engine with a high combustion rate according to the present invention.
The reference numerals in fig. 3 are: 4. a piston; 4-1, a piston combustion chamber; 4-1-1, upper bottom surface; 4-1-2, side.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "one side", "the other side", "both sides", "between", "middle part", "upper end", "lower end", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, but 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 thus, should not be construed as limiting the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "disposed" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1 and 3, the diesel engine with high combustion rate of the present invention comprises a body, a cylinder cover, an injection pump 1, an injection nozzle 2, a high pressure fuel pipe 3 and a piston 4, wherein the body and the cylinder cover are cast from high strength alloy cast iron, the injection pump 1 is installed in an oil pump installation base hole at the rear part of the body, the injection nozzle 2 is installed on the cylinder cover, the piston 4 is installed at the top of an inner cavity of the body, the body and the cylinder cover are connected by a cylinder cover bolt, the high pressure fuel pipe 3 is used for connecting the injection pump 1 and the injection nozzle 2, one end of the high pressure fuel pipe 3 is connected with the injection pump 1, the other end of the high pressure fuel pipe 3 is connected with the injection nozzle 2, the oil injection end of the injection nozzle 2 is aligned with a piston combustion chamber 4-1 of the piston 4, the middle part of the piston combustion chamber 4-1 is a circular truncated cone-shaped, the side surface 4-1-2 of the round table-shaped structure is in smooth transition with the upper bottom surface 4-1-1.
Wherein, the side surface 4-1-2 of the circular truncated cone-shaped structure and the bottom of the piston combustion chamber 4-1 are in smooth transition through an arc. The distance between the axis of the piston 4 and the axis of the piston combustion chamber 4-1 is 0.6-1.0 mm. The included angle formed between the axis of the oil nozzle 2 and the axis of the piston combustion chamber 4-1 is 8-12 degrees. The vertical distance between the oil nozzle 2 and the upper bottom surface 4-1-1 is 2.5-3.5 mm.
The diesel engine with high combustion rate changes the middle of the piston combustion chamber 4-1 into an inclined smooth transition shape, which is beneficial to the oil injection of the oil injection nozzle 2 and improves the combustion efficiency of diesel oil.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (5)
1. A diesel engine with high combustion rate, which is provided with an injection pump (1), an injection nozzle (2), a high-pressure oil pipe (3) and a piston (4), wherein one end of the high-pressure oil pipe (3) is connected with the injection pump (1), the other end of the high-pressure oil pipe (3) is connected with the injection nozzle (2), and the oil injection end of the injection nozzle (2) is aligned with a piston combustion chamber (4-1) of the piston (4), and is characterized in that: the middle part of the piston combustion chamber (4-1) is an upward convex circular truncated cone-shaped structure, the diameter of the upper bottom surface (4-1-1) of the circular truncated cone-shaped structure is smaller than that of the lower bottom surface of the circular truncated cone-shaped structure, and the side surface (4-1-2) of the circular truncated cone-shaped structure is in smooth transition with the upper bottom surface (4-1-1).
2. The high combustion rate diesel engine according to claim 1, characterized in that: the side surface (4-1-2) of the circular truncated cone-shaped structure and the bottom of the piston combustion chamber (4-1) are in smooth transition through an arc.
3. The high combustion rate diesel engine according to claim 1, characterized in that: the distance between the axis of the piston (4) and the axis of the piston combustion chamber (4-1) is 0.6-1.0 mm.
4. The high combustion rate diesel engine according to claim 1, characterized in that: the included angle formed between the axis of the oil nozzle (2) and the axis of the piston combustion chamber (4-1) is 8-12 degrees.
5. The high combustion rate diesel engine according to claim 1, characterized in that: the vertical distance between the oil nozzle (2) and the upper bottom surface (4-1-1) is 2.5-3.5 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921849153.8U CN210769055U (en) | 2019-10-30 | 2019-10-30 | Diesel engine with high combustion rate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921849153.8U CN210769055U (en) | 2019-10-30 | 2019-10-30 | Diesel engine with high combustion rate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210769055U true CN210769055U (en) | 2020-06-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921849153.8U Active CN210769055U (en) | 2019-10-30 | 2019-10-30 | Diesel engine with high combustion rate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210769055U (en) |
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2019
- 2019-10-30 CN CN201921849153.8U patent/CN210769055U/en active Active
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