CN214741658U

CN214741658U - Rotary engine

Info

Publication number: CN214741658U
Application number: CN202121333825.7U
Authority: CN
Inventors: 董刚刚
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-06-16
Filing date: 2021-06-16
Publication date: 2021-11-16
Anticipated expiration: 2031-06-16

Abstract

The utility model provides a rotary engine relates to engine technical field. The rotary engine comprises an engine cylinder body, wherein a crankshaft is arranged in the engine cylinder body, an outer rotating disc is fixedly connected to the outer side of the crankshaft, a connecting rod is fixedly connected to one end of the outer rotating disc, a guide rail is fixedly connected to one end of the connecting rod, an engine cylinder body is arranged on the edge of the engine cylinder body, one end of a piston mechanism penetrates through the engine cylinder body and is connected to one side of the guide rail in a sliding mode, an inlet valve is arranged on one side of the engine cylinder body, and a spark plug is arranged on an adjacent exhaust valve on the other side of the engine cylinder body. The guide rail is fixedly connected with one end of the connecting rod, mechanical loss is reduced, all cylinder bodies do work by taking the crankshaft as the center, the cylinder bodies are rotationally symmetrical, the motion is more stable, the engine shake phenomenon cannot occur, the number of the cylinders of the engine can be properly increased or decreased, parallel operation of multiple engines is met, and the application range is wide.

Description

Rotary engine

Technical Field

The utility model relates to an engine technical field specifically is rotary engine.

Background

With the development of the automobile industry, the requirements of various enterprises on the engine are higher and higher, so that the comfort and the performance of the automobile are emphasized, and the power and the stability of the engine are emphasized. The automobile engine is to burn gasoline or diesel oil, natural gas, hydrogen and the like in a sealed cylinder, so that the gas in the cylinder is rapidly expanded to push a piston to move and drive a crankshaft to rotate, and the engines used by various enterprises around the world mainly comprise: inline engines, V-engines, W-engines, rotary engines, and the like.

The existing in-line engine has high stability, good low-speed torque characteristic and less fuel consumption, but has the disadvantages of lower power and unsuitability for engines with more than 6 cylinders, the V-shaped engine has the disadvantages of needing two cylinder covers, more complex structure and higher cost, in addition, after the width is increased, the space at two sides of the engine is smaller, other devices are not easy to arrange, the advantages of the rotor engine are very obvious, the rotor engine has smaller size, lighter weight, higher power and extremely low vibration and noise, but the manufacturing cost is extremely high due to the complexity of the rotor technology, and the durability is lower than that of the traditional engine.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a rotary engine has solved current engine and has operated unstably, the great problem of mechanical loss.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: rotary engine, including the engine cylinder body, its characterized in that: the engine cylinder body is composed of a body shell and cylinder shells, four cylinder shells are uniformly distributed on the outer side of the body shell, a crankshaft is arranged in the engine cylinder body, an outer rotating disc is fixedly connected to the outer side of the crankshaft, an air cavity is arranged on the outer side of the outer rotating disc, a connecting rod is fixedly connected to one end of the outer rotating disc, a guide rail is fixedly connected to one end of the connecting rod, a cylinder body is arranged on the edge of the engine cylinder body, the cylinder body is distributed in an annular mode with the crankshaft as the center, a piston mechanism is arranged in the cylinder body, one end of the piston mechanism penetrates through the cylinder body and is connected to one side of the guide rail in a sliding mode, an intake valve is arranged on one side of the cylinder body, an exhaust valve is arranged on the other side of the cylinder body, and a spark plug is arranged adjacent to the exhaust valve on the other side of the cylinder body.

Preferably, the piston mechanism comprises a plug head, a plug rod and a sliding rod, one side of the sliding rod is connected to one side of the guide rail in a sliding mode, the other side of the sliding rod is fixedly connected to one end of the plug rod, and one end of the plug rod penetrates through the cylinder shell and is fixedly connected to one side of the plug head.

Preferably, the intake valve is composed of an intake valve, a rocker arm, a spring, and an intake port.

Preferably, the exhaust valve is composed of an exhaust valve, a rocker arm, a spring and an exhaust hole.

(III) advantageous effects

The utility model provides a rotary engine. The method has the following beneficial effects:

1. the utility model discloses an outside fixedly connected with axle outward rotating disk of bent axle, the one end fixedly connected with connecting rod of axle outward rotating disk, the one end fixedly connected with guide rail of connecting rod, more conventional four-stroke engine compare by high temperature high-pressure gas direct drive bent axle rotatory, have reduced mechanical loss.

2. The utility model discloses an all use the bent axle to do work as the center with all cylinder blocks, for the rotational symmetry type, compare with V type engine, W type engine and directly drive the type engine, move more steadily, can not produce the engine shake phenomenon.

3. The utility model discloses an all cylinder blocks all use the bent axle as the center doing work, for the rotational symmetry type, consequently according to the demand, can suitably increase and decrease the cylinder number of engine.

4. The utility model discloses can satisfy many engines and move side by side according to the demand, bent axle, connecting rod and guide rail of many engines sharing form multi-cylinder engine, and the practicality is strong, and application scope is wide.

Drawings

FIG. 1 is a schematic diagram of an embodiment of the present invention;

fig. 2 is a schematic structural diagram of an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a second embodiment of the present invention.

Wherein, 1, a crankshaft; 2. an intake valve; 3. an exhaust valve; 4. a cylinder block; 5. a spark plug; 6. an outer rotating disc; 7. an air cavity; 8. a piston mechanism; 9. a slide bar; 10. an engine block; 11. a guide rail; 12. a stopper rod; 13. a plug head; 14. a cylinder case; 15. a body case; 16. a connecting rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. 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.

The first embodiment is as follows:

as shown in fig. 1-2, an embodiment of the present invention provides a rotary engine, including an engine cylinder 10, a crankshaft 1 is disposed inside the engine cylinder 10, an external shaft rotating disk 6 is fixedly connected to an outer side of the crankshaft 1, a connecting rod 16 is fixedly connected to an end of the external shaft rotating disk 6, and a guide rail 11 is fixedly connected to an end of the connecting rod 16, so that when the crankshaft 1 rotates, the guide rail 11 rotates, by disposing a cylinder block 4 at an edge of the engine cylinder 10, the cylinder block 4 is annularly distributed around the crankshaft 1, a piston mechanism 8 is disposed inside the cylinder block 4, one end of the piston mechanism 8 penetrates through the cylinder block 4 and is slidably connected to one side of the guide rail 11, so that the guide rail 11 rotates to drive the piston mechanism 8 to move, so that the piston mechanism 8 and the crankshaft 1 can be engaged with each other, an intake valve 2 is disposed on one side of the cylinder block 4, and an exhaust valve 3 is disposed on the other side of the cylinder block 4, the other side of the cylinder block 4 is provided with a spark plug 5 adjacent to the exhaust valve 3, which facilitates intake and exhaust of the engine block 10 and combustion of the combustible mixture.

The cylinder block 4 is centered around the crankshaft 1, so that the engine cylinders all work around the crankshaft 1, and are of a rotational symmetry type, and therefore, the number of cylinders of the engine can be appropriately increased or decreased according to requirements, such as: 2 jar engines, 3 jar engines, 4 jar engines etc. (should 2 jars at least), satisfy many engines and run side by side, for example: 2 4-cylinder engines share one crankshaft, one piston track connecting rod and one piston track, and form an 8-cylinder engine and the like.

The engine block 10 is composed of a machine body shell 15 and cylinder shells 14, and four cylinder shells 14 are uniformly distributed on the outer side of the machine body shell 15.

Piston mechanism 8 comprises chock plug 13, chock plug 12 and slide bar 9, and one side sliding connection of slide bar 9 is in one side of guide rail 11, and the opposite side fixed connection of slide bar 9 is in the one end of chock plug 12, and the one end of chock plug 12 runs through cylinder housing 14 and fixed connection is in one side of chock plug 13, connects guide rail 11 and chock plug 12 through slide bar 9, is convenient for connect piston mechanism 8 and guide rail 11, realizes making piston mechanism 8's one end be connected with one side of guide rail 11 through slide bar 9.

The intake valve 2 is composed of an intake valve, a rocker arm, a spring and an intake hole.

The exhaust valve 3 consists of an exhaust valve, a rocker arm, a spring and an exhaust hole, and the intake valve 2 and the exhaust valve 3 are common structures in the prior art.

The outer side of the shaft outer rotating disc 6 is provided with an air cavity 7, the air cavity 7 is a part of the cavity of the cylinder body 4, can be made into a semi-ellipse shape and is in an inclined shape, and the shaft outer rotating disc 6 is convenient to push to rotate.

Example two:

as shown in fig. 1-3, an embodiment of the present invention provides a method for using a rotary engine, comprising the steps of:

s1, the inlet valve 2 is opened, the outlet valve 3 is closed, the piston mechanism 8 is driven to move from the top dead center to the bottom dead center through the crankshaft 1, the external rotating disc 6, the connecting rod 16 and the guide rail 11, the volume of the cylinder body 4 above the plug 13 is increased, vacuum degree is generated, the pressure in the cylinder body 4 is reduced to be lower than the inlet pressure, under the action of vacuum suction, gasoline atomized by a carburetor or a gasoline injection device is mixed with air to form combustible mixed gas, the combustible mixed gas is sucked into the cylinder body 4 through the inlet channel and the inlet valve 2, the inlet process is continued until the plug 13 passes through the bottom dead center, the inlet valve 2 is closed, and then the crankshaft 1, the external rotating disc 6, the connecting rod 16 and the guide rail 11 drive the plug 13 which moves upwards to start to compress the gas.

S2, the intake valve 2 and the exhaust valve 3 are closed completely, the combustible mixed gas in the cylinder block 4 is compressed, the temperature of the mixed gas rises, the pressure of the combustible mixed gas rises to the maximum pressure before the plug 13 is close to the top dead center, and the temperature can reach 330-430 ℃.

S3, when the compression stroke is close to the top dead center, the spark plug 5 arranged on the cylinder block 4 sends out electric spark to ignite the compressed combustible mixed gas, the combustible mixed gas emits a large amount of heat after burning, the pressure and the temperature of the gas in the cylinder block 4 rise rapidly, the high-temperature high-pressure gas pushes the crankshaft 1, the external rotating disc 6, the connecting rod 16 and the guide rail 11 to rotate around the crankshaft 1, and simultaneously drives the plug 13 to move to the bottom dead center rapidly, the work is done to the outside through the rotating crankshaft 1, and when the work stroke starts, the inlet valve 2 and the exhaust valve 3 are both closed.

S4, when the power stroke is near the end, the exhaust valve 3 is opened, because the pressure in the cylinder 4 is higher than the atmospheric pressure, the high temperature waste gas is discharged out of the cylinder 4 rapidly, the stage belongs to the free exhaust stage, the high temperature waste gas is discharged out through the exhaust valve 3 rapidly, the high temperature waste gas enters the forced exhaust stage along with the exhaust process, the plug 13 moves over the bottom dead center to the top dead center, the waste gas in the cylinder is discharged out forcibly, when the plug 13 reaches the vicinity of the top dead center, the exhaust process is finished.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Rotary engine, comprising an engine block (10), characterized in that: the engine cylinder body (10) consists of a body shell (15) and cylinder shells (14), four cylinder shells (14) are uniformly distributed on the outer side of the body shell (15), a crankshaft (1) is arranged in the engine cylinder body (10), an outer rotating shaft disc (6) is fixedly connected to the outer side of the crankshaft (1), an air cavity (7) is arranged on the outer side of the outer rotating shaft disc (6), a connecting rod (16) is fixedly connected to one end of the outer rotating shaft disc (6), a guide rail (11) is fixedly connected to one end of the connecting rod (16), a cylinder body (4) is arranged on the edge of the engine cylinder body (10), the cylinder body (4) is annularly distributed by taking the crankshaft (1) as the center, a piston mechanism (8) is arranged in the cylinder body (4), one end of the piston mechanism (8) penetrates through the cylinder body (4) and is slidably connected to one side of the guide rail (11), an intake valve (2) is arranged on one side of the cylinder body (4), an exhaust valve (3) is arranged on the other side of the cylinder body (4), and a spark plug (5) is arranged on the adjacent exhaust valve (3) on the other side of the cylinder body (4).

2. The rotary engine of claim 1, wherein: the piston mechanism (8) is composed of a plug head (13), a plug rod (12) and a sliding rod (9), one side of the sliding rod (9) is connected to one side of a guide rail (11) in a sliding mode, the other side of the sliding rod (9) is fixedly connected to one end of the plug rod (12), and one end of the plug rod (12) penetrates through a cylinder shell (14) and is fixedly connected to one side of the plug head (13).

3. The rotary engine of claim 1, wherein: the intake valve (2) consists of an intake valve, a rocker arm, a spring and an intake hole.

4. The rotary engine of claim 1, wherein: the exhaust valve (3) consists of an exhaust valve, a rocker arm, a spring and an exhaust hole.