阅读说明：本技术 一种单冲程发动机 (Single-stroke engine ) 是由 李文龙 于 2020-12-17 设计创作，主要内容包括：本发明提供了一种单冲程发动机,属于发动机技术领域,包括机体、燃油组件以及空气压缩组件,内设有主轴以及与主轴连接的活塞,活塞上设有燃烧室；燃油组件设置在机体上；排气组件设置在机体上,用于冲当可燃物燃烧产生的废气的排出通道,空气压缩组件包括与燃烧室连通的壳体、与壳体内部连通的进气口、设置在壳体内部的开合式阻气片,以及与主轴连接的扇叶,开合式阻气片设置于扇叶的运动路径上。本发明提供的一种单冲程发动机,在一个工作行程中完成进气、压缩、燃烧、排气的四个作业过程,结构简单、体积小,热效率高,油耗低,动力输出直接,省去了曲轴和活塞行程,故障率低,使用寿命长。(The invention provides a single-stroke engine, which belongs to the technical field of engines and comprises a machine body, a fuel oil assembly and an air compression assembly, wherein a main shaft and a piston connected with the main shaft are arranged in the air compression assembly; the fuel assembly is arranged on the machine body; the exhaust assembly is arranged on the machine body and used for flushing an exhaust channel of waste gas generated by combustion of combustible materials, the air compression assembly comprises a shell communicated with the combustion chamber, an air inlet communicated with the interior of the shell, an open-close type air blocking piece arranged in the shell and fan blades connected with the main shaft, and the open-close type air blocking piece is arranged on a motion path of the fan blades. The single-stroke engine provided by the invention completes four operation processes of air intake, compression, combustion and exhaust in one working stroke, and has the advantages of simple structure, small volume, high thermal efficiency, low oil consumption, direct power output, no crankshaft and piston stroke, low failure rate and long service life.)

1. A single stroke engine, comprising:

the engine comprises a machine body, wherein a main shaft (1) and a piston (5) connected with the main shaft (1) are arranged in the machine body, and a combustion chamber (6) is arranged on the piston (5);

the fuel assembly is arranged on the machine body;

an exhaust assembly (4) disposed on the body;

air compression subassembly (8), including with casing (81) of the inside intercommunication of organism, with air inlet (82) of the inside intercommunication of casing (81), setting are in the inside open-close type of casing (81) hinders choke plate (85) and with flabellum (84) that main shaft (1) is connected, open-close type hinders choke plate (85) set up in on the motion path of flabellum (84), and with flabellum (84) looks adaptation.

2. A single stroke engine as claimed in claim 1, wherein: the opening-closing type air blocking piece (85) is provided with a control component for controlling the opening or closing of the opening-closing type air blocking piece (85).

3. A single stroke engine as claimed in claim 2, wherein: the control assembly comprises a spring connected with the opening-closing type air choke piece (85) and a cam shaft matched with the spring to adjust the opening-closing state of the opening-closing type air choke piece (85).

4. A single stroke engine as claimed in claim 3, wherein: the opening-closing type air blocking piece (85) is obliquely arranged, and the inclined angle of the opening-closing type air blocking piece (85) is equal to the inclined angle of the fan blade (84).

5. A single stroke engine as claimed in any one of claims 1 to 4 wherein: the combustion chamber (6) comprises any side surface which is intensively impacted by explosive force.

6. A single stroke engine as claimed in claim 5, wherein: an exhaust hole (83) is formed in the air compression assembly (8); the air conditioner is characterized in that an air inlet is formed in the machine body, the exhaust hole (83) is communicated with the air inlet through a channel, and a valve is arranged on the channel.

7. A single-stroke engine as set forth in claim 6 wherein said fuel assembly comprises:

the fuel nozzle (2) is arranged on the combustion chamber (6) and is communicated with an external oil tank;

and the spark plug (3) is arranged on the combustion chamber (6) and is used for igniting combustible substances.

8. A single stroke engine as claimed in claim 7, wherein: and a cooling component (7) is arranged on the machine body or/and the air compression component (8).

9. A single stroke engine as set forth in claim 8 wherein: the air compression assemblies (8) connected with the same main shaft (1) and the pistons (5) are arranged in an array manner.

10. A single stroke engine as claimed in claim 9, wherein: the opening-closing type air blocking piece (85) is arranged between the air inlet (82) and the exhaust hole (83).

Technical Field

The invention belongs to the technical field of engines, and particularly relates to a single-stroke engine.

Background

The engine is an important capacity conversion device, can convert heat energy into mechanical energy and do work outwards, and plays a key role in the fields of automobiles, power generation and the like. The existing engine is generally in a two-stroke and four-stroke structure, and the existing engine usually depends on the expansion force generated by the combustion of combustible gas to push the piston and the connecting rod to drive the crankshaft to rotate. The existing engine has the problems of insufficient air inflow and insufficient fuel combustion, and abrasion of a piston and a crankshaft after long-time use, and the defects bring inconvenience to the further popularization and use of the engine.

Disclosure of Invention

The invention aims to provide a single-stroke engine, aiming at solving the technical problems that the air intake quantity of the existing engine is insufficient, the fuel combustion is insufficient, and a piston and a crankshaft are abraded.

In order to achieve the purpose, the invention adopts the technical scheme that: there is provided a single-stroke engine comprising:

the engine body is internally provided with a main shaft and a piston connected with the main shaft, and the piston is provided with a combustion chamber;

the fuel assembly is arranged on the machine body;

the exhaust assembly is arranged on the machine body;

the air compression assembly comprises a shell communicated with the combustion chamber, an air inlet communicated with the interior of the shell, an open-close type air blocking piece arranged in the shell and a fan blade connected with the main shaft, wherein the open-close type air blocking piece is arranged on a motion path of the fan blade.

Preferably, the opening-closing type air choke sheet is provided with a control component for controlling the opening or closing of the opening-closing type air choke sheet.

Preferably, the control assembly comprises a spring connected with the opening-closing type choke piece and a cam shaft matched with the spring to adjust the opening-closing state of the opening-closing type choke piece.

Preferably, the opening-closing type choke piece is arranged obliquely, and the inclined angle of the opening-closing type choke piece is equal to the inclined angle of the fan blade.

Preferably, the combustion chamber includes any side surface which is subjected to concentrated impact of an explosive force.

Preferably, the air compression assembly is provided with an exhaust hole; the combustion chamber is provided with an air inlet, the exhaust hole is communicated with the air inlet through a channel, and the channel is provided with a valve.

Preferably, the fuel assembly comprises:

the fuel nozzle is arranged on the combustion chamber and is communicated with an external oil tank;

and the spark plug is arranged on the combustion chamber and used for igniting combustible substances.

Preferably, a cooling assembly is arranged on the machine body or/and the air compression assembly.

Preferably, the air compression assemblies connected with the same main shaft are arranged in line with the piston.

Preferably, the open-close type air blocking piece is arranged between the air inlet and the exhaust hole.

The single-stroke engine provided by the invention has the beneficial effects that: compared with the prior art, the single-stroke engine disclosed by the invention can complete four operation processes of air intake, compression, combustion and exhaust in one working stroke, and has the advantages of simple structure, small size, high thermal efficiency, low oil consumption, direct power output, no crankshaft and piston stroke, low failure rate and long service life.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

FIG. 1 is a schematic diagram of a single-stroke engine according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of an air compression assembly used in a single-stroke engine according to an embodiment of the present invention.

In the figure: 1. a main shaft; 2. a fuel nozzle; 3. a spark plug; 4. an exhaust assembly; 5. a piston; 6. a combustion chamber; 7. a cooling assembly; 8. an air compression assembly; 81. a housing; 82. an air inlet; 83. an exhaust hole; 84. a fan blade; 85. an opening-closing type air-blocking sheet.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1 and 2 together, a single-stroke engine according to the present invention will now be described. The single-stroke engine comprises a machine body, a fuel assembly, an exhaust assembly 4 and an air compression assembly 8, wherein a main shaft 1 and a piston 5 connected with the main shaft 1 are arranged in the machine body, and a combustion chamber 6 is arranged on the piston 5; the fuel assembly is arranged on the machine body; the exhaust assembly 4 is arranged on the machine body and used for flushing an exhaust channel of waste gas generated by combustion of combustible materials, the air compression assembly 8 comprises a shell 81 communicated with the interior of the machine body, an air inlet 82 communicated with the interior of the shell 81, an open-close type air blocking sheet 85 arranged in the shell 81 and fan blades 84 connected with the main shaft 1, and the open-close type air blocking sheet 85 is arranged on a moving path of the fan blades 84 and is matched with the fan blades 84. Specifically, the opening/closing type air blocking piece 85 is matched with the fan blades 84 to compress air in the housing 81.

The outside air enters the housing 81 through the air inlet 82, then the spindle 1 drives the fan blades 84 to rotate, in the rotating process of the fan blades 84, the fan blades 84 and the opening and closing type air blocking pieces 85 are matched to compress the air in the housing 81, when the compressed air reaches a preset value, the compressed air enters the machine body, and specifically, the compressed air enters the combustion chamber 6. Air compressed by the air compression assembly 8 enters the combustion chamber 6, fuel oil is injected into the combustion chamber 6 through the fuel oil assembly, the fuel oil injected into the combustion chamber 6 and the compressed air are mixed into combustible matter (mixed gas), then the combustible matter is ignited through the fuel oil assembly, the combustible matter provides power through explosion, the piston 5 is driven to rotate to do work, the piston 5 rotates to drive the main shaft 1 to rotate, and waste gas generated by the combustible matter is discharged out of the combustion chamber 6 through the exhaust assembly 4.

In this embodiment, the opening/closing type choke sheet 85 is provided with a control component for controlling the opening/closing of the opening/closing type choke sheet 85. When the opening/closing type air blocking piece 85 is opened, the rotating fan blade 84 passes through the area provided with the opening/closing type air blocking piece 85, and when the opening/closing type air blocking piece 85 is closed, the fan blade 84 and the opening/closing type air blocking piece 85 cooperate to compress air between the fan blade 84 and the opening/closing type air blocking piece 85. The control assembly facilitates control of the operating state of the open/close choke flap 85.

Specifically, the control assembly may include an electric switch and an electric telescopic rod electrically connected to the electric switch, one end of the electric telescopic rod is connected to the inner wall of the housing 81, the other end of the electric telescopic rod is a telescopic end, the telescopic end is connected to the opening/closing type air blocking piece 85, and the opening/closing type air blocking piece 85 is rotatably connected to the inner wall of the housing 81. When the opening-closing type air blocking piece 85 is to be opened, the electric switch drives the electric telescopic rod to move, the electric telescopic rod drives the opening-closing type air blocking piece 85 to move, and the opening-closing type air blocking piece 85 moves to give way for the fan blade 84 to pass through. After the fan blades 84 pass through, the electric switch drives the electric telescopic rod to move, so that the opening-closing type air blocking piece 85 is restored to the initial position, and at the moment, the opening-closing type air blocking piece 85 is matched with the fan blades 84 to partition the inner space of the shell 81 into two mutually independent space areas.

In this embodiment, the control assembly includes a spring connected to the opening/closing choke plate 85 and a cam shaft cooperating with the spring to adjust the opening/closing state of the opening/closing choke plate 85. The opening/closing type choke piece 85 is obliquely arranged, and the inclined angle of the opening/closing type choke piece 85 is equal to the inclined angle of the fan blades 84.

Specifically, when the opening/closing type choke piece 85 is in a closed state, the spring is in an open state, at this time, the opening/closing type choke piece 85 closes the air circulation, the opening/closing type choke piece 85 cooperates with the fan blades 84 to compress air, and the compressed air is discharged into the combustion chamber 6. Meanwhile, when the fan blade 84 moves to the position of the opening/closing type air blocking piece 85, the opening/closing type air blocking piece 85 is opened by the fan blade 84 or a cam shaft arranged on the housing 81 to allow the fan blade 84 to pass through, and after the fan blade 84 passes through, the opening/closing type air blocking piece 85 immediately enters a closed state.

Illustratively, when the fan blade 84 moves to the position of the opening/closing type choke piece 85, the camshaft moves and forms a pulling action on the opening/closing type choke piece 85, so as to drive the opening/closing type choke piece 85 to rotate to allow a passage for the fan blade 84 to pass through, after the fan blade 84 passes through, the camshaft releases the pulling action on the opening/closing type choke piece 85, and the opening/closing type choke piece 85 enters a closed state.

In the present embodiment, the fan blades 84 are rotated by the main shaft 1.

In the present embodiment, the combustion chamber 6 includes any side surface which is intensively impacted by the explosive force, the shape of the combustion chamber 6 may be any shape as long as the condition that any side surface of the combustion chamber 6 can be impacted by the maximum explosive force when the explosion occurs is satisfied, and the arrangement mode improves the effective utilization efficiency of the explosive force of the single-stroke engine. Illustratively, the combustion chamber 6 is a V-shaped groove arranged on the side surface of the piston 5, and the number of the combustion chambers 6 is any number, wherein the side surface intensively impacted by the explosive force is any side surface of the V-shaped groove, when the position of the combustion chamber 6 is coincident with the fuel assembly, the air compression assembly 8 conveys compressed air into the combustion chamber 6, the compressed air is fully mixed with oil gas conveyed by the fuel assembly in the combustion chamber 6 and is ignited by the fuel assembly to generate explosion, the impact force generated by the explosion intensively impacts any end surface of the V-shaped groove to further push the piston 5 to rotate, and the piston 5 rotates to drive the main shaft 1 to rotate.

In this embodiment, there are seal groove and sealing ring around the 6 inner walls of combustion chamber, improve the leakproofness between 6 of combustion chamber and the organism inner wall, prevent revealing of air and mist, better performance explosive power and power of ability.

In the embodiment, the fuel assembly comprises a fuel nozzle 2 and a spark plug 3, wherein the fuel nozzle 2 is arranged on the combustion chamber 6 and is communicated with an external oil tank; a spark plug 3 is provided on the combustion chamber 6 for igniting combustible substances. Specifically, an external oil tank is sprayed into a combustion chamber 6 through an oil nozzle 2, fuel oil and air are mixed to form combustible (mixed gas), the combustible is ignited through a spark plug 3, and the combustible provides power through explosion to drive a piston 5 to move.

In the present embodiment, the air compression assembly 8 is provided with an exhaust hole 83; the machine body is provided with an air inlet, the exhaust hole 83 is communicated with the air inlet through a channel, and the channel is provided with a valve. After the air compressed by the air compression assembly 8 reaches a preset value, the valve is automatically opened, at the moment, the air compression assembly 8 is in a communication state with the combustion chamber 6, and the air enters the channel through the exhaust hole 83 of the air compression assembly 8 and then enters the combustion chamber 6 through the channel from the air inlet. The valve arrangement facilitates control of whether compressed gas can enter the combustion chamber 6.

In the present embodiment, the cooling module 7 is disposed on the machine body and the air compression module 8. The cooling unit 7 includes a first cooling passage provided on the body casing, and a second cooling passage provided on the housing 81. The external cooling pipeline lets in first cooling route and second cooling route respectively with the coolant liquid, and lets in the coolant liquid in first cooling route and the second cooling route at last in the circulating flow cooling pipeline again, and the temperature after organism and the long-time work of air compression subassembly 8 has effectually been regulated and control in the setting of cooling module 7, avoids organism and air compression subassembly 8 the condition that the high temperature appears.

In this embodiment, the body and the housing 81 are of an integral structure.

In the embodiment, the piston is wrapped by the cylinder body, and the cylinder body is wrapped by the organism.

In the present embodiment, the air compression unit 8 connected to the same spindle 1 is arranged in line with the piston 5. The synchronous movement of the air compression component 8 and the piston 5 driven by the main shaft 1 is facilitated.

In the present embodiment, the opening/closing type choke piece 85 is disposed between the air inlet 82 and the air outlet 83. For example, the air inlet 82 and the air outlet 83 are blocked by the engagement of the openable air blocking piece 85 and the fan blade 84, and specifically, the presence of the openable air blocking piece 85 and the fan blade 84 blocks the internal space of the housing 81 into a first space containing the air inlet 82 and a second space containing the air outlet 83 when the internal space is not in the operating state. Air enters the shell 81 from the air inlet 82, the shell 81 cannot be filled with air due to the separation effect of the opening-closing type air blocking piece 85 and the fan blades 84, only the first space can be filled with air, the main shaft 1 drives the fan blades 84 to rotate, the second space can be compressed by the rotation of the fan blades 84, and when the fan blades 84 rotate to the position near the exhaust holes 83, the valve arranged on the channel is opened, so that the compressed air in the second space enters the combustion chamber 6 through the channel. The fan blade 84 continues to rotate, when the fan blade 84 rotates to the vicinity of the opening/closing type choke piece 85, the opening/closing type choke piece 85 is in an open state, at this time, the internal space of the housing 81 is not partitioned into a space, at this time, the fan blade 84 continues to rotate, when the fan blade 84 rotates past the position of the opening/closing type choke piece 85, the opening/closing type choke piece 85 is closed, so that the internal space of the housing 81 continues to be partitioned into a first space and a second space, and the fan blade 84 continues to compress air in the second space and circulates accordingly.

Compared with the prior art, the single-stroke engine provided by the invention has the advantages that four operation processes of air intake, compression, combustion and exhaust are completed in one working stroke, the structure is simple, the size is small, the air intake amount is high, the heat efficiency is high, the oil consumption is low, the power output is direct, the failure rate is low, the service life is long, a crankshaft and piston stroke structure is omitted, and the problem that the crankshaft and piston stroke structure is abraded when in use is solved.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.