CN211038824U

CN211038824U - Birotor same-stroke internal combustion engine

Info

Publication number: CN211038824U
Application number: CN201921354800.8U
Authority: CN
Inventors: 薛国林; 季雪英
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-08-20
Filing date: 2019-08-20
Publication date: 2020-07-17
Anticipated expiration: 2029-08-20

Abstract

The utility model relates to a birotor is with journey internal-combustion engine, it includes: the engine body is provided with two circular accommodating cavities, a blocking part is arranged between the two circular accommodating cavities, and a gas distribution channel is arranged on the blocking part; the machine body is provided with an air inlet channel, an exhaust channel and an installation channel; the two horizontal sliding plates are respectively arranged at two sides of the blocking part; the two rotors are respectively positioned in the two circular containing cavities, the rotors are always tangent to the inner walls of the circular containing cavities, the middle parts of the rotors are provided with eccentric shaft parts, the side surfaces of the rotors are provided with a first cock through hole, a second cock through hole and a cock, and the cock is matched with the horizontal sliding plate to move; the machine cover is used for covering the circular containing cavity and forming two closed working cavities with variable volumes in the circular containing cavity under the matching of the horizontal sliding plate and the rotor; and a gas distribution rotary valve is also arranged in the gas distribution channel. The utility model discloses can overcome reciprocating type crank connecting rod internal-combustion engine structure complicacy, bulky, noise height, the technical problem of acting inefficiency, it is energy-conserving high-efficient, simple and practical.

Description

Birotor same-stroke internal combustion engine

Technical Field

The utility model belongs to the technical field of the internal-combustion engine, in particular to birotor is with journey internal-combustion engine.

Background

The internal combustion engine is an engine which directly inputs liquid or gas fuel and air into a high-pressure combustion chamber in a cylinder after mixing the liquid or gas fuel and the air to be combusted and exploded to generate power and convert heat energy into mechanical energy.

In the field of internal combustion engines, reciprocating crank connecting rod internal combustion engines are generally used at present, and since 1876 German utility model, the domestic Olympic model is a new and improved continuously by people, all the technologies become mature day by day. The working principle is as follows: the piston is pushed to do reciprocating linear motion in the cylinder by using the expansion force generated by the combustion of combustible gas in the closed space formed by the cylinder and the piston, and the kinetic energy is converted into rotary kinetic energy through a crank connecting rod mechanism for output application. The internal combustion engine has the advantages of good sealing and lubricating performance and reliable operation.

However, the reciprocating crank connecting rod internal combustion engine has many disadvantages, one of which is that the efficiency is low when the linear motion of the piston is converted into the circular motion, the inertia impact force of the reciprocating motion of the piston and the connecting piece is large, the vibration caused by the ignition of the dead point is large, the noise is high, the length of the connecting rod is limited, the arm of force is short, the efficiency is low, the structure is complex, the volume is large, and the like; secondly, it advances to exhaust not unobstructed enough, and it advances that exhaust apparatus part is numerous and the structure is complicated, advances the exhaust valve and installs the blind end at the cylinder, and the area is limited only to the size of piston diameter, will lay into exhaust valve and spark plug in this narrow and small space for advance the bore of exhaust valve and receive the restriction, advance the exhaust all very hurriedly, can not unobstructed intake air and get rid of the residual gas after the burning completely, lead to the next time not burning completely, discharge not up to standard. Although the effect is still not ideal by adopting the technical measures of arranging a plurality of air valves, opening the air inlet valve and the air outlet valve in advance and the like for improvement. Moreover, in the reciprocating crank connecting rod internal combustion engine, each cylinder needs to operate for two cycles (720 degrees) for the crankshaft once by doing work externally, so the work efficiency is low.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a solve above-mentioned technical problem and provide a birotor is with journey internal-combustion engine, it can overcome present reciprocating type crank connecting rod internal-combustion engine structure complicacy, bulky, the noise is high, the acting is inefficient, technical problem that energy resource consumption is high.

The utility model provides an above-mentioned technical problem's technical scheme as follows: a dual rotor co-stroke internal combustion engine, comprising: the device comprises a machine body, a machine cover, a horizontal sliding plate, a rotor, a plug group, an eccentric shaft component and a gas distribution rotary valve;

the machine body is provided with two identical circular accommodating cavities, a blocking part is arranged between the two circular accommodating cavities, and a gas distribution channel for communicating the two circular accommodating cavities is arranged on the blocking part; an air inlet channel, an air exhaust channel and an installation channel for installing a spark plug or an oil injector are arranged on the surface of the engine body and/or the engine cover, the air inlet channel and the air exhaust channel are respectively communicated with the two circular containing cavities, and the installation channel penetrates through the blocking part and then is connected and communicated with the air distribution channel;

the number of the machine covers is two, the two machine covers are respectively and fixedly arranged on two sides of the machine body and used for covering the circular accommodating cavity, and at least one machine cover is provided with two first mounting through holes for the transmission shaft to pass through;

the number of the horizontal sliding plates is two, the two horizontal sliding plates are respectively arranged on two sides of the blocking part and separate the air inlet channel and the air outlet channel from the air distribution channel, one end of each horizontal sliding plate is fixedly connected with the side surface of the blocking part, and the other end of each horizontal sliding plate extends towards the circular accommodating cavity;

the number of the rotors is two, the two rotors are both cylindrical, the two rotors are respectively positioned in the two circular containing cavities, and the rotor in each circular containing cavity is always tangent to the inner wall of the circular containing cavity; a second mounting through hole is formed in the middle of each rotor, a first cock through hole and a second cock through hole are formed in the side face of each rotor, the mounting through holes, the first cock through holes and the second cock through holes are cylindrical, and the axes of the mounting through holes, the first cock through holes and the second cock through holes are parallel to each other, wherein one outer circumferential surface of each second cock through hole is communicated with one outer circumferential surface of each first cock through hole, and the other outer circumferential surface, away from the first cock through hole, of each second cock through hole is communicated with the outside of the rotor;

the number of the cock groups is at least two, the two cock groups are respectively arranged in the second cock through holes of the two rotors, each cock group is provided with two cocks fixedly arranged in the second cock through hole, a gap for the horizontal sliding plate to pass through is reserved between the two cocks, and when the rotors move, the cocks do amplitude limiting rotary motion in the second cock through holes relative to the rotors and do amplitude limiting linear motion along the horizontal sliding plate; in each circular accommodating cavity, two crescent working cavities with variable volumes and tightness are formed among the horizontal sliding plate, the rotor, the inner wall of the circular accommodating cavity and the cover;

the eccentric shaft part is fixedly arranged in the mounting through hole and is in transmission connection with the rotor, the rotating center of the eccentric shaft part is consistent with the center of the circular accommodating cavity, and the eccentricity is half of the difference between the inner diameter of the circular accommodating cavity and the outer diameter of the rotor;

the air distribution rotary valve is positioned below the air distribution channel, and the air distribution rotary valve opens or closes the air distribution channel under the driving of the driving mechanism.

The utility model has the advantages that:

(1) the utility model relates to a birotor same-stroke internal combustion engine, which does not need to be provided with an inlet valve and an exhaust valve, thus leading the air inlet resistance and the exhaust resistance to be greatly reduced;

(2) when the internal combustion engine works, one working cycle only needs to rotate 360 degrees, and four processes of air inlet, compression, work doing and air exhaust are synchronously performed, thereby saving energy and having high efficiency;

(3) the rotor of the utility model is cylindrical, and the surface of the rotor and the inner wall of the circular accommodating cavity have almost no friction loss in the process of circular motion, thereby greatly prolonging the service life and reducing the energy consumption;

(4) the shape of the rotor of the utility model is easier to be processed and formed, and the production cost can be effectively controlled;

(5) the utility model can realize the same-stroke transmission through the two rotors, and has simple operation and high working efficiency;

(6) the utility model discloses the rotatory phase difference of two rotors can be adjusted in 70-85 degree within ranges, gets the decimal when the internal-combustion engine is the diesel engine, gets the decimal when the internal-combustion engine is the gasoline engine, and its phase difference value size is adjustable, also the compression ratio of internal-combustion engine is adjustable, has enlarged the range of application of internal-combustion engine.

On the basis of the technical scheme, the utility model discloses can also do following improvement.

Further, the cock is semi-cylindrical.

Further, the area of the second cylindrical through hole is S₂The area of the third cylindrical through hole is S₃Said S₂And S₃Satisfies the relationship: s₂≧S₃。

The beneficial effect of adopting above-mentioned further scheme is that under the condition that the area of second cylinder through-hole is greater than or equal to the area of third cylinder through-hole, can provide more sufficient swing amplitude space for the rotor, and can alleviate the weight of rotor, improve slew velocity, improve internal-combustion engine's work efficiency.

Further, the eccentric shaft component comprises an eccentric wheel and a bearing, the eccentric wheel is located in the first cylindrical through hole, and the rotor is sleeved on the eccentric wheel through the bearing.

The beneficial effect who adopts above-mentioned further scheme is that can drive the rotor through the eccentric wheel and make eccentric circular motion.

Further, the distribution rotary valve includes the rotary base that keeps out the wind of a semicircle column, the rotary base that keeps out the wind has a horizontal surface and two relative sides, the horizontal surface with the side is perpendicular, the fixed two relative ear of keeping out the wind that are equipped with on the horizontal surface, leave predetermined interval between two ear of keeping out the wind and form the blow vent, the orientation of blow vent with the axis direction of rotary base that keeps out the wind is perpendicular.

The gas distribution rotary valve has the advantages that the gas distribution rotary valve can completely block gas from passing through a gas distribution channel through the wind shielding rotary base, so that the two circular accommodating cavities are separated; in addition, the gas can pass through the gas distribution channel through the gas vent formed between the two wind shielding ear parts, so that the two circular accommodating cavities are communicated, the structure is simple, and the control is convenient.

Further, the ear of keeping out the wind is the semi-cylinder.

The beneficial effect who adopts above-mentioned further scheme is that the ear of keeping out the wind of semicircle column is better with the rotating base matching nature of keeping out the wind, and easily machine-shaping.

Further, still be equipped with on the horizontal surface of the rotatory base that keeps out the wind lateral wall portion, keep out the wind lateral wall portion and be located two keep out between the wind ear, just keep out the wind lateral wall portion with keep out the wind the axis direction of rotatory base parallel.

Adopt above-mentioned further scheme's beneficial effect be through keeping out the wind lateral wall portion can adjust the ventilation capacity of blow vent, be favorable to controlling the removal condition of gas.

Further, the height of the wind shielding rotary base is H₁The height of the wind shielding ear part is H₂The height of the wind shielding side wall part is H₃Said H is₁、H₂And H₃Satisfies the relationship: h₂＝H₁，H₃＝(0.3-0.6)H₁。

Adopt above-mentioned further scheme's beneficial effect be through injecing the height of keeping out the wind rotating base, the ear of keeping out the wind and keeping out the wind lateral wall portion, help realizing two circular timely intercommunications and the wall that holds the chamber.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

fig. 2 is a schematic view of the structure of the present invention;

FIG. 3 is a schematic view of the structure of the utility model;

fig. 4 is a schematic top view of the machine body of the present invention;

fig. 5 is a schematic view of a rotor of the present invention;

FIG. 6 is a schematic view of the three-dimensional structure of the air distribution rotary valve of the present invention;

FIG. 7 is a schematic front view of the rotary valve for distributing gas of the present invention;

fig. 8 is an assembly view of the cover and the body of the present invention;

fig. 9 is a schematic structural view of the cover of the present invention;

fig. 10 is a schematic view of the working principle of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

2. the air distribution device comprises a machine body, 4, a circular accommodating cavity, 6, a blocking part, 8, an air distribution channel, 10, an air inlet channel, 12, an air exhaust channel, 14, an installation channel, 16, a horizontal sliding plate, 18, a rotor, 19, a first installation through hole, 20, a second installation through hole, 22, a first cock through hole, 24, a second cock through hole, 26, an eccentric shaft part, 28, an eccentric wheel, 30, a bearing, 32, a cock group, 34, a cock, 36, an air distribution rotary valve, 38, a wind shielding rotary base, 40, a wind shielding ear, 42, a wind shielding side wall part, 52 and a machine cover.

Detailed Description

The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.

In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying 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 thus should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. 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," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the invention, unless otherwise specified, "a plurality" means two or more.

In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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 creation of the present invention can be understood by those of ordinary skill in the art through specific situations.

The present invention will be further described with reference to the accompanying drawings 1-9:

in a first mode

The present invention provides a dual-rotor co-stroke internal combustion engine, as shown in fig. 1 to 5, including: the machine body 2, the machine cover 52, the horizontal sliding plate 16, the rotor 18, the cock group 32, the eccentric shaft part 26 and the air distribution rotary valve 36; referring to fig. 1 to 4, the machine body 2 has two identical circular accommodating cavities 4, a blocking portion 6 is disposed between the two circular accommodating cavities 4, and a gas distribution channel 8 for communicating the two circular accommodating cavities 4 is disposed on the blocking portion 6; an air inlet channel 10, an air exhaust channel 12 and an installation channel 14 for installing a spark plug or an oil injector are formed in the upper surface of the machine body 2, the air inlet channel 10 and the air exhaust channel 12 are respectively communicated with the two circular accommodating cavities 4, and the installation channel 14 penetrates through the blocking part 6 and then is connected and communicated with the air distribution channel 8; as shown in fig. 10, the number of the covers 52 is two, two covers 52 are respectively and fixedly installed on two sides of the machine body 2 for covering the circular accommodating cavity 4, wherein at least one cover 52 is provided with two first installation through holes 19 for a transmission shaft to pass through; as shown in fig. 1 and 2, the number of the horizontal sliding plates 16 is two, two horizontal sliding plates 16 are respectively installed on two sides of the blocking part 6 and separate the air inlet channel 10 and the air outlet channel 12 from the air distribution channel 8, one end of each horizontal sliding plate 16 is fixedly connected with the side surface of the blocking part 6, and the other end thereof extends into the circular accommodating cavity 4; as shown in fig. 1, 2 and 5, the number of the rotors 18 is two, both the two rotors 18 are cylindrical, the two rotors 18 are respectively located in the two circular containing cavities 4, and the rotor 18 in each circular containing cavity 4 is always tangent to the inner wall of the circular containing cavity 4; a second mounting through hole 20 is formed in the middle of each rotor 18, a first plug through hole 22 and a second plug through hole 24 are formed in the side surface of each rotor 18, the mounting through holes 20, the first plug through hole 22 and the second plug through hole 24 are all cylindrical and have parallel axes, wherein one outer circumferential surface of the second plug through hole 24 is communicated with one outer circumferential surface of the first plug through hole 22, and the other outer circumferential surface of the second plug through hole 24, which is far away from the first plug through hole 22, is communicated with the outside of the rotor 18; as shown in fig. 1 and 2, the number of the cock groups 32 is at least two, two groups of the cock groups 32 are respectively installed in the second cock through holes 24 of the two rotors 18, each group of the cock 32 has two cocks 34 fixedly installed in the second cock through holes 24, and a gap for the horizontal sliding plate 16 to pass through is reserved between the two cocks 34, when the rotors 18 move, the cocks 32 do limited rotation movement in the second cock through holes 24 relative to the rotors 18, and simultaneously the cocks 32 do limited linear movement along the horizontal sliding plate 16; in each circular accommodating cavity 4, two crescent working cavities with variable volumes and closed are formed among the horizontal sliding plate 16, the rotor 18, the inner wall of the circular accommodating cavity 4 and the cover 52; as shown in fig. 1 and 2, an eccentric shaft element 26 is fixedly arranged in the mounting through hole 20 and is in transmission connection with the rotor 18, the rotation center of the eccentric shaft element 26 is consistent with the center of the circular accommodating cavity 4, and the eccentricity is half of the difference between the inner diameter of the circular accommodating cavity 4 and the outer diameter of the rotor 18; as shown in fig. 2, the air distribution rotary valve 36 is located below the air distribution channel 8, and the air distribution rotary valve 36 opens or closes the air distribution channel 8 under the driving of the driving mechanism.

The mode can overcome the technical problems of complex structure, large volume, high noise, low work efficiency and high energy consumption of the conventional reciprocating crank connecting rod internal combustion engine.

The dual-rotor 18 co-stroke internal combustion engine does not need to be provided with an intake valve and an exhaust valve, so that the intake resistance and the exhaust resistance are greatly reduced; when the air compressor works, one working cycle only needs to rotate 360 degrees, and four processes of air inlet, compression, work doing and air exhaust are synchronously performed, so that the air compressor is efficient and energy-saving; the rotor 18 is cylindrical, and the surface of the rotor 18 and the inner wall of the circular accommodating cavity almost have no friction loss in the process of circular motion, so that the service life is greatly prolonged, and the energy consumption is reduced; the two rotors 18 can synchronously rotate through the transmission mechanism, the rotation phase difference of the two rotors 18 can be adjusted within the range of 70-85 degrees, when the internal combustion engine is a diesel engine, a small value is taken, when the internal combustion engine is a gasoline engine, a large value is taken, the phase difference value is adjustable, namely the compression ratio of the internal combustion engine is adjustable, and the application range of the internal combustion engine is expanded.

It is understood that the horizontal sliding plate 16 can be formed integrally with the machine body 2, or two horizontal sliding plates 16 can be formed integrally to be positioned by the covers 52 on both sides of the machine body 2.

It is understood that the dual-rotor co-stroke internal combustion engine of the present invention can be used alone, or as one cylinder block unit, a plurality of such cylinder block units can be combined for use.

It can be understood that the driving mechanism generally includes a rotating shaft and a rotating machine, specifically, one end of the rotating shaft is fixedly connected to the side surface of the wind shielding rotating base, and the other end of the rotating shaft is fixedly connected to the output end of the rotating machine.

It will be appreciated that the connection between the spindle and the air distribution rotary valve 36 may also be centered at the intersection of the windshield rotary base 38 and the windshield ear 40.

It will also be appreciated that the intake passage 10, the exhaust passage 12 and the mounting passage 14 for mounting the spark plug or the injector may be opened in the cover 25 on both sides of the body 2 as the case may be.

The further scheme has the beneficial effect that the rotation of the air distribution rotary valve 36 can be more conveniently controlled through the matching of the rotary machine and the rotary shaft, so that the four steps of air inlet, compression, ignition (doing work) and exhaust can be completed through the timely matching of the internal combustion engine.

In order to improve the movement effect of the rotor 18 in the circular accommodating cavity 4, the sliding mechanism 32 comprises two taps 34, wherein the two taps 34 are fixedly arranged in the third cylindrical through hole, and a gap for the horizontal sliding plate 16 to pass through is reserved between the two taps 34.

In this way, the rotor 18 is closely attached to the horizontal sliding plate 16 through the cock 34, and can move linearly in the direction of the horizontal sliding plate 16, and the horizontal sliding plate 16 can extend into the second cylindrical through hole 22 or extend out of the second cylindrical through hole 22 under the cooperation of the cock 34, so that a swing space is provided for the eccentric circular motion of the rotor 18.

In order to satisfy the movement of the rotor 18, as shown in fig. 5, the second cylindrical through hole 22 has an area S₂The area of the third cylindrical through hole is S₃Said S₂And S₃Satisfies the relationship: s₂≧S₃。

Thus, when the area of the second cylindrical through hole 22 is greater than or equal to the area of the third cylindrical through hole, a more sufficient swing space can be provided for the rotor 18, the weight of the rotor 18 can be reduced, the rotation speed can be increased, and the working efficiency of the internal combustion engine can be improved.

In order to realize the eccentric circular motion of the rotor 18, the eccentric shaft part 26 comprises an eccentric wheel 28 and a bearing 30, the eccentric wheel 28 is positioned in the first cylindrical through hole 20, and the rotor 18 is sleeved on the eccentric wheel 28 through the bearing 30. In this way, the eccentric 28 can drive the rotor 18 to perform an eccentric circular motion.

It is to be understood that the bearing 30 is a rolling bearing 30 or a sliding bearing 30, and in this embodiment, the bearing 30 is a rolling bearing 30.

It should be noted that the bearing 30 is not shown in fig. 1 for convenience of illustration, and therefore, the bearing 30 is installed with reference to fig. 2.

In order to control the air distribution channel 8, as shown in fig. 6, the air distribution rotary valve 36 includes a semi-cylindrical wind shielding rotary base 38, the wind shielding rotary base 38 has a horizontal surface and two opposite side surfaces, the horizontal surface is perpendicular to the side surfaces, two opposite wind shielding parts 40 are fixedly arranged on the horizontal surface, a predetermined distance is left between the two wind shielding parts 40 to form a vent, and the vent is oriented perpendicular to the axial direction of the wind shielding rotary base 38.

It is understood that, in order to realize the installation of the air distribution rotary valve 36, an installation through hole is formed below the air distribution channel 8, the installation through hole penetrates through the baffle part 6, and the axial direction of the installation through hole is parallel to the axial direction of the rotor 18.

In this way, the air distribution rotary valve 36 can completely block the gas from passing through the air distribution channel 8 through the wind shielding rotary base 38, thereby realizing the partition of the two circular accommodating chambers 4; in addition, the gas can pass through the gas distribution channel 8 through the vent holes formed between the two wind shielding ear parts 40, so that the two circular accommodating cavities 4 are communicated, the structure is simple, and the control is convenient.

Preferably, the ear portion 40 has a semi-cylindrical shape. Thus, the semi-cylindrical wind shielding ear part 40 is better matched with the wind shielding rotating base 38 and is easy to machine and mold.

It should be noted that the valve train 36 can be of various forms, and that alternative forms are provided below.

Mode two

The difference between this embodiment and the first embodiment is that, as shown in fig. 6, a wind shielding side wall portion 42 is further provided on a horizontal surface of the wind shielding rotary base 38, the wind shielding side wall portion 42 is located between the two wind shielding ears, and the wind shielding side wall portion 42 is parallel to the axial direction of the wind shielding rotary base 38.

In this way, the ventilation amount of the vent can be adjusted by the wind shielding side wall portion 42, which is advantageous for controlling the movement of the gas.

Preferably, as shown in fig. 8, the height of the wind shielding rotary base 38 is H₁The height of the wind-shielding ear part 40 is H₂The height of the wind shielding side wall portion 42 is H₃Said H is₁、H₂And H₃Satisfies the relationship: h₂＝H₁，H₃＝(0.3-0.6)H₁. By defining the height of the wind-deflecting swivel base 38, the wind-deflecting ear 40 and the wind-deflecting side wall 42, a timely communication and isolation of the two circular accommodation chambers 4 is facilitated.

As shown in fig. 9, the following are the operation principle and steps of the present invention (wherein, for convenience of description, the position of the rotor rotation center closest to the blocking portion is specifically defined as the top dead center):

step 1, when the eccentric shaft part 26 rotates clockwise from the top dead center, the volume of a first working cavity in a first circular accommodating cavity 4 is gradually increased from 0, the pressure of the first working cavity is gradually reduced, fuel gas enters the first working cavity in the first circular accommodating cavity 4 communicated with the air inlet channel 10 through the air inlet channel 10 under the action of pressure difference, when the eccentric shaft part 26 returns to the top dead center, the volume of the first working cavity reaches the maximum value, air inlet is finished, and then the air inlet step is finished;

step 2, after the first rotor 18 rotates 360 degrees, the gas is transferred into the second acting cavity of the first circular accommodating cavity 4, at this time, the gas distribution rotary valve 36 closes the gas distribution channel 8, along with the continuous rotation of the eccentric shaft part 26, the volume of the second acting cavity is gradually reduced, the gas pressure and the temperature are gradually increased, when the second rotor 18 reaches the top dead center, the gas distribution rotary valve 36 opens the gas distribution channel 8, the high-pressure high-temperature gas enters the third acting cavity of the second circular accommodating cavity 4, the eccentric shaft part 26 continuously rotates, when the first rotor 18 reaches the top dead center, the gas distribution rotary valve 36 closes the gas distribution channel 8, the compression process is finished, and the compression step is completed;

and 3, when the first rotor 18 reaches the top dead center, high-pressure high-temperature gas enters a third acting cavity of the second circular accommodating cavity 4, the second rotor 18 rotates to about 85 degrees from the top dead center, the gas distribution rotary valve 36 closes the gas distribution channel 8, the ignition system enables a spark plug to ignite, the high-pressure high-temperature gas is combusted and expanded in the third acting cavity, the high-pressure gas force acting on the second rotor 18 pushes the eccentric shaft part 26 on the second rotor 18 to rotate to do work externally, and when the second rotor 18 returns to the top dead center, the work doing process is finished. Completing the work-doing step;

and 4, after the second rotor 18 rotates 360 degrees, the gas after combustion and expansion is transferred into a fourth action cavity of the second circular accommodating cavity 4, the fourth action cavity is communicated with the exhaust channel 12, and the exhaust channel 12 discharges the gas after combustion and expansion out of the machine body 2, so that the exhaust process is completed.

And 5, circulating the steps 1 to 4. It should be noted that, after the internal combustion engine is started, the four processes of air intake, compression, work application and air exhaust are all synchronously performed.

It should be understood that the first circular accommodating cavity 4 and the second circular accommodating cavity 4 refer to two circular accommodating cavities 4 of the machine body 2, respectively; the first action cavity and the second action cavity are two action cavities of the first circular accommodating cavity 4; the third acting cavity and the fourth acting cavity are two acting cavities of the second round accommodating cavity 4; in addition, the third working chamber is also communicated with the air distribution passage 8.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. A dual rotor co-stroke internal combustion engine, comprising: the device comprises a machine body (2), a machine cover (52), a horizontal sliding plate (16), a rotor (18), a plug group (32), an eccentric shaft component (26) and a gas distribution rotary valve (36);

the machine body (2) is provided with two identical circular accommodating cavities (4), a blocking part (6) is arranged between the two circular accommodating cavities (4), and a gas distribution channel (8) for communicating the two circular accommodating cavities (4) is arranged on the blocking part (6); an air inlet channel (10), an air exhaust channel (12) and an installation channel (14) for installing a spark plug or an oil injector are formed in the surface of the engine body (2) and/or the engine cover (52), the air inlet channel (10) and the air exhaust channel (12) are respectively communicated with the two circular containing cavities (4), and the installation channel (14) penetrates through the blocking part (6) and then is connected and communicated with the air distribution channel (8);

the number of the machine covers (52) is two, the two machine covers (52) are respectively and fixedly arranged on two sides of the machine body (2) and used for covering the circular accommodating cavity (4), and at least one of the machine covers (52) is provided with two first installation through holes (19) for the transmission shaft to pass through;

the number of the horizontal sliding plates (16) is two, the two horizontal sliding plates (16) are respectively arranged on two sides of the partition part (6) and separate the air inlet channel (10) and the air exhaust channel (12) from the air distribution channel (8), one end of each horizontal sliding plate (16) is fixedly connected with the side surface of the partition part (6), and the other end of each horizontal sliding plate extends towards the inside of the circular accommodating cavity (4);

the number of the rotors (18) is two, the two rotors (18) are cylindrical, the two rotors (18) are respectively positioned in the two circular containing cavities (4), and the rotor (18) in each circular containing cavity (4) is always tangent to the inner wall of the circular containing cavity (4); a second mounting through hole (20) is formed in the middle of each rotor (18), a first cock through hole (22) and a second cock through hole (24) are formed in the side surface of each rotor (18), the second mounting through hole (20), the first cock through hole (22) and the second cock through hole (24) are cylindrical, and the axes of the second mounting through hole, the first cock through hole (22) and the second cock through hole (24) are parallel to each other, wherein one outer circumferential surface of the second cock through hole (24) is communicated with one outer circumferential surface of the first cock through hole (22), and the other outer circumferential surface, away from the first cock through hole (22), of the second cock through hole (24) is communicated with the outside of the rotor (18);

the number of the plug groups (32) is at least two, the two plug groups (32) are respectively arranged in the second plug through holes (24) of the two rotors (18), each plug (34) is provided with two plugs (34) fixedly arranged in the second plug through holes (24), a gap for the horizontal sliding plate (16) to pass through is reserved between the two plugs (34), when the rotors (18) move, the plugs (34) do amplitude limiting rotary motion in the second plug through holes (24) relative to the rotors (18), and meanwhile, the plugs (34) do amplitude limiting linear motion along the horizontal sliding plate (16); two crescent working cavities with variable volume and tightness are formed between the horizontal sliding plate (16), the rotor (18), the inner wall of the circular accommodating cavity (4) and the cover (52) in each circular accommodating cavity (4);

the eccentric shaft part (26) is fixedly arranged in the second mounting through hole (20) and is in transmission connection with the rotor (18), the rotating center of the eccentric shaft part (26) is consistent with the center of the circular accommodating cavity (4), and the eccentricity is half of the difference between the inner diameter of the circular accommodating cavity (4) and the outer diameter of the rotor (18);

and the air distribution rotary valve (36) is positioned below the air distribution channel (8), and the air distribution rotary valve (36) opens or closes the air distribution channel (8) under the driving of the driving mechanism.

2. A twin rotor co-stroke internal combustion engine as claimed in claim 1, in which the spigot (34) is semi-cylindrical or semi-elliptical.

3. A twin spool co-stroke internal combustion engine as claimed in claim 1 or 2, characterised in that the first tap through hole (22) has an area S₂The area of the second cock through hole (24) is S₃Said S₂And S₃Satisfies the relationship: s₂≧S₃。

4. A twin spool co-stroke internal combustion engine as set forth in claim 1 or 2 wherein said eccentric shaft member (26) includes an eccentric (28) and a bearing (30), said eccentric (28) being located in said second mounting through hole (20), said rotor (18) being mounted on said eccentric (28) by said bearing (30).

5. A twin rotor co-stroke engine as claimed in claim 1 or claim 2, wherein the rotary air distribution valve (36) includes a semi-cylindrical wind deflector (38), the wind deflector (38) having a horizontal surface and two opposite sides, the horizontal surface being perpendicular to the sides, two opposite wind deflector parts (40) being fixed to the horizontal surface, the two wind deflector parts (40) being spaced apart from each other by a predetermined distance to form air vents, the air vents being oriented perpendicular to the axis of the wind deflector (38).

6. The birotor co-stroke internal combustion engine of claim 5, wherein the wind-deflecting ear (40) is semi-cylindrical.

7. The dual-rotor co-stroke internal combustion engine as claimed in claim 5, wherein a wind shielding side wall portion (42) is further provided on the horizontal surface of the wind shielding rotating base (38), the wind shielding side wall portion (42) is located between the two wind shielding ear portions (40), and the wind shielding side wall portion (42) is parallel to the axial direction of the wind shielding rotating base (38).

8. A twin-rotor co-stroke internal combustion engine as in claim 7, wherein the height of the wind-deflecting rotating base (38) is H₁The height of the wind shielding ear part (40) is H₂The height of the wind shielding side wall portion (42) is H₃Said H is₁、H₂And H₃Satisfies the relationship: h₂＝H₁，H₃＝(0.3-0.6)H₁。