CN218760125U - Two-stroke IC engine - Google Patents

Abstract

The utility model discloses a novel two-stroke internal combustion engine, which comprises a controllable inlet valve, a first one-way automatic valve, an exhaust valve, a compression cylinder, an acting cylinder, an exhaust valve seat, an outer cylinder sleeve, a movable inner cylinder sleeve, a crankshaft connecting rod, a convex piston, a mandril rocker arm and an oil nozzle spark plug; the fuel varieties available to the organism include diesel, gasoline and liquefied gas; the shape of the machine body can be vertical, V-shaped and horizontal opposite; the number of the engine body can be single cylinder, two cylinders, four cylinders and eight cylinders. The utility model has the advantages that: the utility model has novel design and key technology that the volume of the combustion chamber can be changed to reduce and increase the power by adjusting, controlling and controlling the upper and lower of the exhaust valve seat, the air pressure can be controlled by the inner cylinder sleeve, a coil is wound outside the inner cylinder sleeve to change the inner cylinder sleeve into an electromagnet, and the opening and closing time of the exhaust valve is controlled by a computer to obtain the variable compression ratio; reasonable structure and can be popularized and applied in large area.

Description

Novel two-stroke internal combustion engine

Technical Field

The utility model relates to the technical field of engines, specifically a novel two-stroke internal-combustion engine.

Background

An internal combustion engine is a power machine, and is a heat engine that directly converts heat energy emitted by burning fuel in the machine into power. The internal combustion engine in the broad sense includes not only reciprocating piston, rotary piston and free piston engines but also jet engines of the rotary vane type, but the internal combustion engine is generally referred to as a piston engine. Piston internal combustion engines are the most common of the reciprocating piston types. The piston type internal combustion engine mixes fuel and air and burns in a cylinder of the engine, and the released heat energy enables the cylinder to generate high-temperature and high-pressure fuel gas. The gas expands to drive the piston to do work, and then the mechanical work is output through a crank link mechanism or other mechanisms to drive the driven machine to work.

The existing internal combustion engine can not well realize variable compression ratio, so that the internal combustion engine is insufficient in combustion and low in work efficiency.

SUMMERY OF THE UTILITY MODEL

In order to solve the existing problems, the utility model provides a novel two-stroke internal combustion engine. The utility model discloses a following technical scheme realizes.

A novel two-stroke internal combustion engine comprises a body;

the engine body comprises an outer cylinder sleeve, a controllable inlet valve, an exhaust valve, a compression cylinder, a working cylinder, an exhaust valve seat, an ejector rod, a rocker arm, an oil nozzle and a spark plug; a movable inner cylinder sleeve, a crankshaft, a connecting rod and a convex piston are arranged in the outer cylinder sleeve;

a radiating fin is additionally arranged on the machine body, and a radiator is additionally arranged on the high-power machine; the controllable inlet valve is arranged above the outer wall of the compression cylinder; the top of the convex piston is provided with a first one-way automatic valve; the exhaust valve consists of an exhaust valve seat and the movable inner cylinder sleeve; a step is arranged in the movable inner cylinder sleeve, and upward pressure generated in the cylinder during air compression and work is propped against the exhaust valve; the compression cylinder consists of the outer cylinder sleeve and a big end of the convex piston; the volume of the compression cylinder can be increased to achieve the purpose of pressurization; the working cylinder consists of the movable inner cylinder sleeve and a small head of the convex piston; the outer two ends of the movable inner cylinder sleeve are respectively provided with a step, a group of piston rings and an oil seal; the step and the outer cylinder sleeve form a hollow chamber filled with cooling engine oil; a spring is arranged in the empty chamber; one end of the spring is fixed on the outer cylinder sleeve; the other end of the spring props against the upper step of the movable inner cylinder sleeve; the two opposite cylinders of the four cylinders are connected by four screws to share one connecting rod, and the other two opposite cylinders are reversely arranged to counteract vibration; the crankshaft is provided with a cam for jacking a rocker arm to control the opening and closing of the exhaust valve and jacking a diesel oil plate high-pressure oil pump; the male piston comprises a large head and a small head; the small head and the movable inner cylinder sleeve form a combustion working chamber; the small end is provided with two groups of piston rings; an oil ring is arranged between the two groups of piston rings; the middle opening of the oil ring leads to a crankcase to throw oil from a crankshaft so as to smooth the two groups of piston rings; the small head is provided with an air passage leading the air compression chamber to the combustion chamber and a one-way automatic valve; the big end is provided with a group of piston rings for compressing the air in the air compression chamber and smoothly throwing oil through the crankshaft; a piston pin and a connecting rod are arranged in the convex piston and are connected with a crankshaft to do work; the ejector rod is used for ejecting the rocker arm by a cam on the crankshaft; the rocker arm is V-shaped; the big head is pressed in the middle of the lower step of the movable inner cylinder sleeve; the small head is connected with the ejector rod, and a middle fulcrum is arranged on the outer cylinder sleeve to press down the movable inner cylinder sleeve to open the exhaust valve; the ejector rod is arranged in a round pipe and communicated with the cooling machine oil to obtain smoothness.

Preferably, the exhaust valve seat can be designed into a flat type or a V-shaped type, and the flat type is that the movable inner cylinder sleeve slightly swings in the outer cylinder sleeve; the exhaust valve seat is adjustable, controllable up and down, and can change the volume of the combustion chamber to reduce and increase power.

Preferably, a coil is wound outside the movable inner cylinder sleeve to obtain an electromagnet, the opening and closing of an exhaust valve are controlled by a computer to obtain a variable compression ratio, and the volume of the air compression cylinder can be increased by several times to obtain the aim of double pressurization.

Preferably, the controllable inlet valve is a one-way valve for controlling the size of the air inlet quantity.

Preferably, the fuel varieties available to the body include diesel, gasoline and liquefied gas.

Preferably, the shape of the machine body can be vertical, V-shaped and horizontal opposite; the number of cylinders of the machine body can be single cylinder, two cylinders, four cylinders, eight cylinders and more.

The utility model has the advantages that: the utility model has novel design and key technology that the volume of the combustion chamber can be changed to reduce and increase the power by adjusting, controlling and controlling the exhaust valve seat, and the air pressure of the combustion chamber can be controlled by the movable inner cylinder sleeve, and the air compression chamber can be pressurized; reasonable structure and can be popularized and applied in large area.

Drawings

FIG. 1 is a block diagram of an opposed four-cylinder internal combustion engine according to the present invention;

FIG. 2 is a structural diagram of an opposed four-cylinder internal combustion engine according to the present invention;

FIG. 3 is a first view of the gear of the present invention;

fig. 4 is a structural diagram (ii) of the gear of the present invention.

Detailed Description

The technical solution of the present invention will be described in more detail and completely with reference to the accompanying drawings.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Embodiment 1, a new two-stroke internal combustion engine, comprising a body;

the engine body comprises a controllable intake valve 1, a first one-way automatic valve 2, an exhaust valve 3, a compression cylinder 4, a work cylinder 5, an exhaust valve seat 6, an outer cylinder sleeve 7, a movable inner cylinder sleeve 8, a crankshaft 901, a connecting rod 902, a convex piston 10, a push rod 1101, a rocker arm 1102 and an oil nozzle spark plug 12;

the controllable air inlet valve 1 is arranged above the outer wall of the compression cylinder 4 and is a one-way valve for controlling the air inflow; the top of the convex piston 10 is provided with a first one-way automatic valve 2 which controls the gas in the combustion chamber to enter the air pressing chamber, so that the gas in the air pressing chamber can pass through the air passage on the convex piston 10 and then enter the combustion chamber through the first one-way valve 2; the exhaust valve 3 is composed of an exhaust valve seat 6 and a movable inner cylinder sleeve 8, a step is arranged in the movable inner cylinder sleeve 8, and upward pressure generated in the cylinder during air compression and work is propped against the exhaust valve 3; the compression cylinder 4 consists of an outer cylinder sleeve 7 and a big end of a convex piston 10, air is sucked into the compression cylinder 4 from the controllable inlet valve 1 and then sent to the combustion chamber, the waste gas in the combustion chamber is blown away, and new gas is left; the acting cylinder 5 consists of a movable inner cylinder sleeve 8 and a small head of a convex piston 10, the gas sent by the compression cylinder 4 is compressed and pressed into a combustion chamber at the same time to ignite and work, and the diesel oil is injected and compressed to work; the exhaust valve seat 6 can be regulated and controlled to be up and down, and the volume of the combustion chamber can be changed to reduce and increase power; the outer cylinder sleeve 7 is externally provided with a radiating fin for a low-power machine, a high-power external radiator radiates heat, and the movable inner cylinder sleeve 8, the convex piston 10, the crankshaft 901 and the connecting rod 902 are arranged in the outer cylinder sleeve 7; the two ends outside the movable inner cylinder sleeve 8 are respectively provided with a step, the two ends are respectively provided with a group of piston rings and oil seals, the step and the outer cylinder sleeve 7 form a hollow chamber, oil is filled as cooling liquid, the oil is piston rings on the smooth steps, a spring is arranged in the hollow chamber, one end of the spring is fixed on the outer cylinder sleeve 7, the other end of the spring props against the step on the movable inner cylinder sleeve 8, the step in the movable inner cylinder sleeve 8 is connected with the exhaust valve seat 6 to close the exhaust valve 3, the movable inner cylinder sleeve 8 moves in the outer cylinder sleeve 7 and is opened and closed by a cam propping rocker arm on a crankshaft 901, a coil can be wound outside the movable inner cylinder sleeve 8 to form an electromagnet on the movable inner cylinder sleeve 8, the up and down are controlled by a computer to open and close the exhaust valve 3, and the volume of a combustion chamber can be controlled by the controllable exhaust valve seat 6 to obtain the lifting power;

the two connecting rods 902 are used for the four opposite cylinders, the two opposite cylinders are connected by four screw rods and share one connecting rod 902, the four opposite cylinders and the two opposite cylinders are reversely arranged to counteract vibration, a cam is arranged on a crankshaft 901 and is used for ejecting a rocker arm to control the opening and closing of the exhaust valve 3, and a high-pressure oil pump of a diesel plate is additionally arranged;

the convex piston 10 comprises a big head and a small head, the small head and the movable inner cylinder sleeve 8 form a combustion working chamber, the small head is provided with two groups of piston rings, an oil ring is arranged between the two groups of piston rings, and a middle opening of the oil ring leads to a crank shaft box to throw oil to smooth the two groups of piston rings; the small end is provided with an air passage leading the air chamber to the combustion chamber and a one-way automatic valve, the large end is provided with a group of piston rings for compressing the air in the air chamber, the oil is thrown and smooth through a crankshaft 901, the volume of the air chamber is larger than that of the combustion chamber to achieve the purpose of pressurization, and a piston pin and a connecting rod are arranged in the convex piston 10 and are connected with the crankshaft to do work;

the ejector rod 1101 is used for ejecting the rocker arm 1102 by a cam on a crankshaft 901, the rocker arm 1102 is V-shaped, a large end is pressed in the middle of the lower step of the movable inner cylinder sleeve 8, a small end is connected with the ejector rod, a middle fulcrum is arranged on the outer cylinder sleeve 7 to press down the movable inner cylinder sleeve 8 to open the exhaust valve 3, the ejector rod 1101 is arranged in a round pipe and communicated with cooling oil to obtain smooth movement, the upper part can be used as a plunger pump to pump cooling oil to a radiator, and the water pump can also be used for pumping the cooling oil to the radiator;

when the piston reaches the top dead center, the oil nozzle diesel engine ejects oil from the oil nozzle on the high-pressure oil pump by the cam on the crankshaft 901, the gas oil engine ejects oil by the electronic injection, low-pressure oil injection is performed after the exhaust valve 3 is closed, when the piston reaches the top dead center, the spark plug ignites to do work, and the diesel oil injection compression ignition ignites to do work.

The fuel oil varieties available for the engine body comprise diesel oil, gasoline and liquefied gas; the shape of the machine body can be vertical, V-shaped and horizontal; the number of cylinders of the engine body can be single cylinder, two cylinders, four cylinders and eight cylinders.

In the embodiment 2, an internal combustion engine is provided which comprises a novel two-stroke internal combustion engine without the crankshaft 901 and the connecting rod 902, wherein two long cylinder liners 16 are arranged in parallel to form a bearing seat 17 in the middle of each side, a steel pipe 19 is arranged in each long cylinder liner 16, a long toothed hole and a long non-toothed hole are respectively arranged on each side of the steel pipe 19, the toothed holes face to the middle, convex pistons 15 are respectively arranged at the two ends of the steel pipe 19, the steel pipes 19 with the convex pistons 15 are respectively arranged in opposite directions to counteract vibration, a shaft 18 with circular teeth in the middle is arranged in the middle of each long cylinder liner 19, the shaft 18 respectively penetrates through the two long cylinder liners 16 and the steel pipe 21 with the long teeth 22, the teeth 22 on the steel pipe 21 respectively bite the teeth on the middle shaft in opposite directions to rub against the teeth on the middle shaft, when the convex pistons 15 reach upper and lower dead points, the steel pipe 19 is driven by inertia of a flywheel to rotate for two tooth pitches, the teeth on the two sides of the steel pipe 19 are interchanged, a bayonet 20 is provided, when the long holes with teeth on one side and the teeth 23 on the other side are meshed with the main shaft 24, the other side, the bayonet 20 is not snapped back, and the other side is not pushed back to the other side, and the other side is not pushed out when the long holes are opposite to the long holes 24.

The working principle is as follows:

the upper cylinder does work, the piston moves downwards, and the lower cylinder inhales air; when the piston reaches a bottom dead center, the inner cylinder sleeve opens an exhaust valve downwards for exhaust; when the piston moves upwards, the gas in the lower cylinder is compressed, when the gas pressure in the lower cylinder is greater than that in the upper cylinder, the automatic valve on the small piston is opened, the gas enters the upper cylinder, then the new gas sweeps away the waste gas, when the waste gas is swept out, the inner cylinder sleeve upwards closes the exhaust valve, then the gas oil electrically sprays the gas oil, and the two cylinders simultaneously compress the gas to the combustion chamber; when the piston reaches the top dead center, the spark plug ignites to do work, and the diesel oil is injected to compress and ignite to do work, thus completing a working cycle.

The invention is different from the prior art in that:

the volume of the air compression chamber can be several times larger than that of the combustion chamber, the excessive gas can be used for radiating heat of the inner cylinder sleeve, the exhaust valve is closed later, so that the required compression ratio and more fresh air can be obtained, the fuel oil can be better combusted and better discharged, the exhaust valve seat can be adjusted to burn various fuel oils, the control is to increase the volume of the combustion chamber, because the gas of the air compression chamber is excessive, the gas-oil compression ratio cannot be too high, the combustion chamber can be increased to obtain double horsepower, namely small-displacement high-power, the opposite four-cylinder engine is easy to process and small in volume, the four-cylinder engine can support the existing four-stroke eight-cylinder engine, and the 2.0-displacement power can reach 800 horsepower.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may include, for example, fixed connections, detachable connections, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature "on," "above" and "over" the second feature may include the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is at a higher level than the second feature. The first feature being "under," "beneath," and "under" the second feature includes the first feature being directly above and obliquely above the second feature, or simply meaning that the first feature is at a lesser level than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not intended to limit the present invention, and all modifications, equivalents, improvements and the like that are made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (6)

1. A novel two-stroke internal combustion engine comprises an engine body, and is characterized in that:

the engine body comprises an outer cylinder sleeve, a controllable inlet valve, an exhaust valve, a compression cylinder, a working cylinder, an exhaust valve seat, an ejector rod, a rocker arm, an oil nozzle and a spark plug; a movable inner cylinder sleeve, a crankshaft, a connecting rod and a convex piston are arranged in the outer cylinder sleeve;

a radiating fin is additionally arranged on the machine body, and a radiator is additionally arranged on the high-power machine; the controllable inlet valve is arranged above the outer wall of the compression cylinder; the top of the convex piston is provided with a first one-way automatic valve; the exhaust valve consists of an exhaust valve seat and the movable inner cylinder sleeve; a step is arranged in the movable inner cylinder sleeve, and upward pressure generated in the cylinder during compression and work is propped against the exhaust valve; the compression cylinder consists of the outer cylinder sleeve and a big end of the convex piston; the compression cylinder can enlarge the volume thereof to achieve the purpose of pressurization; the acting cylinder consists of the movable inner cylinder sleeve and a small head of the convex piston; the outer two ends of the movable inner cylinder sleeve are respectively provided with a step, a group of piston rings and an oil seal; the step and the outer cylinder sleeve form a hollow chamber filled with cooling engine oil; a spring is arranged in the empty chamber; one end of the spring is fixed on the outer cylinder sleeve; the other end of the spring props against the upper step of the movable inner cylinder sleeve; the two opposite cylinders of the four cylinders are connected by four screws to share one connecting rod, and the other two opposite cylinders are reversely arranged to counteract vibration; the crankshaft is provided with a cam for jacking a rocker arm to control the opening and closing of the exhaust valve and jacking a diesel oil plate high-pressure oil pump; the male piston comprises a large head and a small head; the small head and the movable inner cylinder sleeve form a combustion working chamber; the small end is provided with two groups of piston rings; an oil ring is arranged between the two groups of piston rings; the middle opening of the oil ring is communicated with a crankcase to throw oil from a crankshaft so as to smooth the two groups of piston rings; the small head is provided with an air passage leading the air compression chamber to the combustion chamber and a one-way automatic valve; the big end is provided with a group of piston rings for compressing the air in the air compression chamber and smoothly throwing oil through the crankshaft; a piston pin and a connecting rod are arranged in the convex piston and are connected with a crankshaft to do work; the ejector rod is used for ejecting the rocker arm by a cam on the crankshaft; the rocker arm is V-shaped; the big head is pressed in the middle of the lower step of the movable inner cylinder sleeve; the small head is connected with the ejector rod, and a middle fulcrum is arranged on the outer cylinder sleeve to press down the movable inner cylinder sleeve to open the exhaust valve; the ejector rod is arranged in a round pipe and communicated with the cooling machine oil to obtain smoothness.

2. A novel two-stroke internal combustion engine as set forth in claim 1 wherein: the exhaust valve seat can be designed into a flat type or a V-shaped type, and the flat type is that the movable inner cylinder sleeve slightly swings in the outer cylinder sleeve; the exhaust valve seat is adjustable, controllable up and down, and can change the volume of the combustion chamber to reduce and increase power.

3. A novel two-stroke internal combustion engine as set forth in claim 1 wherein: the outside of the movable inner cylinder sleeve is wound with a coil to obtain an electromagnet, the opening and closing of an exhaust valve are controlled by a computer to obtain a variable compression ratio, and the volume of the air compression cylinder can be increased by several times to obtain the purpose of double pressurization.

4. A novel two-stroke internal combustion engine as set forth in claim 1 wherein: the controllable intake valve is a one-way valve for controlling the air inflow.

5. A new two-stroke internal combustion engine, as claimed in claim 1, wherein: the fuel varieties available to the body include diesel, gasoline and liquefied gas.

6. A novel two-stroke internal combustion engine as set forth in claim 1 wherein: the shape of the machine body can be vertical, V-shaped and horizontal opposite; the number of cylinders of the machine body can be single cylinder, two cylinders, four cylinders, eight cylinders and more.

Images