CN110848027A

CN110848027A - Novel engine without crankshaft

Info

Publication number: CN110848027A
Application number: CN201911306253.0A
Authority: CN
Inventors: 李增牢
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-12-18
Filing date: 2019-12-18
Publication date: 2020-02-28

Abstract

The invention provides a novel crankless engine which comprises an independent combustion chamber and an engine body with a cylindrical cavity, wherein a driving wheel is arranged at the center of the cavity, the outer end surface of the driving wheel is connected with a driving shaft, the independent combustion chamber is provided with an air jet pipe communicated to the inner circular surface of the cavity, and the outer circular surface of the driving wheel is provided with a plurality of radial wind blades with inclination angles; the inner end surface of the driving wheel is provided with an inwards concave cylindrical working cavity, and a plurality of cylinder barrels which are distributed in equal parts are embedded in the annular boss in a penetrating way from inside to outside; the cylinder barrel is internally provided with a piston, an eccentric wheel is arranged in the working cavity, a sliding bearing is sleeved on the eccentric wheel, the piston extends out and moves in the driving cavity, and the piston retracts and moves in the exhaust cavity. The invention adopts the external combustion of the cylinder barrel to provide power output, solves the problem of low efficiency of the existing internal combustion engine, and simultaneously utilizes the traditional single cylinder to provide power auxiliary output, thereby having stronger power, less consumed energy and larger exhaust emission.

Description

Novel engine without crankshaft

Technical Field

The invention relates to an engine, in particular to a novel crankless engine.

Background

The traditional fuel oil engine is an internal combustion engine, and adopts a crankshaft as a transmission mechanism, namely, the stroke is equal to twice of the center distance between a crank shaft and a main shaft, and the crank and connecting rod mechanism performs periodic reciprocating motion. The problems existing in the prior art are as follows: 1. the internal combustion engine is used for internal combustion of the cylinder barrel, so that the internal temperature of the cylinder barrel is overhigh, and the cylinder barrel is quickly subjected to high-temperature mechanical fatigue for a long time; 2. because the mechanical temperature is too high, engine oil is consumed in the mechanical linkage process of a crankshaft and the like, and excessive waste is caused; 3. the stroke of the traditional crankshaft can only reach twice of the center distance between the crank shaft and the main shaft, and the energy conversion efficiency is low; 4. in part of the structure of the crankless engine, although the structure is crankless, the structure is only driven by the piston, and combustion is still in the piston, so that the problem of high temperature in the cylinder cannot be avoided, and the output power is weak.

Disclosure of Invention

In order to overcome the defects in the prior art, the invention provides a novel crankshaft-free engine, the scheme adopts the external combustion of a cylinder barrel, namely, the external combustion is used for ignition and power output is provided, a group of tangential driving modes of diagonal wind blades are creatively adopted to drive a driving wheel to be repeatedly switched for transmission, and meanwhile, any pair of traditional single-cylinder reciprocating pistons are used as a boosting cylinder to provide power auxiliary output, so that the power is stronger, and the consumed energy is less.

The invention is realized by the following technical scheme: a novel crankless engine comprises an independent combustion chamber and an engine body with a cylindrical cavity, wherein a driving wheel is arranged at the center of the cavity, a driving shaft is connected with the outer end surface of the driving wheel, the driving shaft is fixed on the side wall of the engine body through a bearing seat I, an air jet pipe is arranged in the independent combustion chamber and communicated with the inner circular surface of the cavity, a plurality of radial wind blades with inclination angles are arranged on the outer circular surface of the driving wheel, the wind blades are tangent to the inner circular surface of the cavity, the air jet pipe obliquely blows towards the wind blades, the inclination angle of the air jet pipe is smaller than that of the wind blades, only one group of wind blades positioned in the opposite angle direction are provided with through holes which do not penetrate, the centers of the other wind blades are provided with through holes which penetrate, the cavity is divided into a driving cavity and an exhaust cavity by two wind blades without penetrating through holes, the mutual air blowby of, the side wall of the cavity of the exhaust cavity is provided with an exhaust hole; the inner end surface of the driving wheel is provided with an inwards concave cylindrical working cavity, the working cavity and the outer circular surface of the driving wheel form an annular boss, a second exhaust hole is formed in the side wall of the machine body of the working cavity and communicated with the atmosphere outside the machine body, a plurality of cylinder barrels distributed in equal intervals are embedded in the annular boss in a penetrating mode from inside to outside, the working cavity is communicated with the cavity through the cylinder barrels, one end, located in the cavity, of each cylinder barrel is provided with a valve group I, and each valve group I is an exhaust valve; a piston is arranged in the cylinder barrel, a hollow air passage is arranged in the piston, an air passage at one end of the cavity of the piston is provided with an air valve group II, and the air valve group II is an air inlet valve; the eccentric wheel is arranged in the working cavity, the eccentric shaft of the eccentric wheel is concentric with the driving shaft, the eccentric shaft is erected on the side wall of the machine body through a bearing seat I, a sliding bearing is sleeved on the eccentric wheel, the tail end of the piston is hinged to the sliding bearing through a pin shaft, the piston extends out to be located in the driving cavity, the piston retracts to be located in the exhaust cavity, a gear I is further sleeved on the driving shaft, and a motor is arranged below the driving shaft and is in transmission with the gear I through a gear II.

In the scheme, the cylinder barrels are divided into four groups, the four groups are distributed in a cross shape in an equal division mode, and the strokes of two groups of pistons which are opposite randomly are opposite.

In the scheme, the angle of the inclination angle between the wind blade and the driving wheel is 40-80 degrees, and the angle of the inclination angle between the gas injection pipe and the driving wheel is 30-70 degrees.

In the above scheme, the machine body is rectangular, and the cavity is located in the center of the machine body.

In the above scheme, the independent combustion chamber is located in the engine body above the cavity, the independent combustion chamber is further internally provided with an electronic ignition head and an oil injection pipe, the rear part of the engine body is further provided with a supply chamber for supplying the oil injection pipe, and the supply chamber is internally provided with an ignition system and an oil supply pump for supplying the electronic ignition head and the oil injection pipe.

Compared with the prior art, the novel crankless engine has the beneficial effects that:

1. compared with the traditional internal combustion engine and a crankshaft-free engine, the invention adopts the external combustion of the cylinder barrel, thereby avoiding the problem of mechanical fatigue caused by high temperature for a long time;

2. the power can be designed into proper power according to an external independent combustion chamber and is not limited by the design stroke of the cylinder barrel;

3. the power drive is changed from a reciprocating crank shaft to 360-degree drive wheel drive transmission, so that the compression stroke is indirectly increased, the inertia is fully utilized, the mechanical vibration is greatly reduced, and the stability is good;

4. the mode that the eccentric wheel pushes the supercharging cylinder to be combined with the driving wheel is designed, and the power is larger than that of the mode that only the piston drives.

Drawings

Fig. 1 is a schematic front view of a novel crankless engine according to the present invention.

Fig. 2 is a schematic view of the structures of the parts 1 and 3 in fig. 1.

Fig. 3 is a cross-sectional view F-F of fig. 1.

Figure 4 is a schematic view of the structure of the piece 3 of figure 3.

Figure 5 is a schematic view of the structure of the piece 19 of figure 3.

Fig. 6 is a block diagram of the piece 15 of fig. 1.

Fig. 7 is a bottom view of fig. 4.

Fig. 8 is a schematic perspective view of a novel crankless engine according to the present invention.

In the figure: 1. the engine comprises a machine body, 2, a cavity, 3, a driving wheel, 4, a driving shaft, 5, an air injection pipe, 6, an independent combustion chamber, 7, a wind blade, 8, an electronic ignition head, 9, an oil injection pipe, 10, a wind blade I, 11, an exhaust pipe, 12, a valve group I, 13, a cylinder barrel, 14, a valve group II, 15, a piston, 16, an air passage, 17, a pin shaft, 18, a sliding bearing, 19, an eccentric wheel, 20, a working cavity, 21, a wind blade II, 22, a driving cavity, 23, an exhaust cavity, 24, a bearing seat I, 25, a through hole, 26, an annular boss, 27, a bearing seat II, 28, a cover plate, 29, an eccentric shaft, 30, a second exhaust hole, 31, a gear I, 32, a gear, 33, a motor, 34, a supply chamber, 121, a valve group I, 131, a cylinder barrel, 141, a valve group II, 151, a piston.

Detailed Description

The novel crankless engine of the invention is further described with reference to the following specific embodiments in conjunction with the accompanying drawings:

fig. 1 is a schematic front view of a novel crankless engine according to the present invention. Figure 4 is a schematic view of the structure of the piece 3 of figure 3. Figure 5 is a schematic view of the structure of the piece 19 of figure 3. Fig. 6 is a block diagram of the piece 15 of fig. 1. Fig. 7 is a bottom view of fig. 4. Fig. 8 is a schematic perspective view of a novel crankless engine according to the present invention. In the figure, the crankless engine comprises an independent combustion chamber 6 and a machine body 1 with a cylindrical cavity 2, wherein the machine body 1 is rectangular, and the cavity 2 is positioned in the center of the machine body 1. The center of cavity 2 sets up drive wheel 3, drive shaft 4 is connected to the outer terminal surface of drive wheel 3, drive shaft 4 passes through bearing frame I24 to be fixed on the lateral wall of organism 1, independent combustion chamber 6 sets up jet-propelled pipe 5 and communicates to the interior disc of cavity 2, the outer disc of drive wheel 3 sets up a plurality of radial wind blade 7 that have the inclination, the angle of the inclination of wind blade 7 and drive wheel 3 is 75, wind blade 7 is tangent with the interior disc of cavity 2, jet-propelled pipe 5 inclines to blow to wind blade 7, the angle of the inclination of jet-propelled pipe 5 and drive wheel 3 is 65, only have in the wind blade 7 a set of wind blade I10 that is located diagonal direction and do not set up the through-hole that runs through on wind blade II21, the center of all the other wind blade 7 all sets up. Fig. 2 is a schematic view of the structures of the parts 1 and 3 in fig. 1. The cavity 2 is divided into a driving cavity 22 and an exhaust cavity 23 by a wind blade I10 and a wind blade II21 without through holes, the driving cavity 22 and the exhaust cavity 23 are prevented from mutually air channeling, the gas injection pipe 5 is positioned in the driving cavity 22, and the side wall of the cavity 2 of the exhaust cavity 23 is provided with an exhaust hole 11.

Fig. 3 is a cross-sectional view F-F of fig. 1. In the figure, an inward concave cylindrical working cavity 20 is arranged on the inner end surface of the driving wheel 3, the working cavity 20 and the outer circular surface of the driving wheel 3 form a ring-shaped boss 26, a second exhaust hole 30 is arranged on the side wall of the working cavity 20 positioned on the machine body 1 and communicated to the atmosphere outside the machine body 1, four groups of cylinder barrels 13 which are distributed in equal intervals are embedded in the ring-shaped boss 26 from inside to outside in a penetrating manner, the cylinder barrels are distributed in cross equal intervals, and the strokes of any two groups of opposite cylinder barrels 13 are opposite. The cylinder barrel 13 is used for communicating the working cavity 20 with the cavity 2, one end, positioned in the cavity 2, of the cylinder barrel 13 is provided with a valve group I12, and the valve group I12 is an exhaust valve; a piston 15 is arranged in the cylinder barrel 13, the strokes of any two groups of opposite pistons 15 are opposite, a hollow air passage 16 is arranged in the piston 15, a valve group II14 is arranged in the air passage 16 at one end of the cavity 2 of the piston 15, and the valve group II14 is an intake valve; the driving shaft 4 is also sleeved with a gear I31, and a motor 33 is arranged below the driving shaft 4 and is in transmission with the gear I31 through a gear II 32.

As shown in fig. 1, 2 and 3, an eccentric wheel 19 is arranged in the working chamber 2, an eccentric shaft 29 of the eccentric wheel 19 is concentric with the driving shaft 4, the eccentric shaft 29 is erected on the side wall of the machine body 1 through a bearing seat I27, a sliding bearing 18 is sleeved on the eccentric wheel 19, the tail end of a piston 15 is hinged on the sliding bearing 18 through a pin shaft 17, the extending action of the piston 15 is positioned in the driving chamber 22, and the retracting action of the piston 15 is positioned in the exhaust chamber 23. The independent combustion chamber 6 is positioned in the machine body 1 above the cavity 2, and an electronic ignition head 8 and an oil injection pipe 9 are also arranged in the independent combustion chamber 6. A supply chamber 34 for supplying the fuel injection pipe 9 is further provided in the rear part of the machine body 1, and an ignition system and a fuel supply pump for supplying the electronic ignition head 8 and the fuel injection pipe 9 are provided in the supply chamber 34.

When the air-powered air-assisted combustion device works, the starting motor 33 drives the gear II32 to enable the gear I31 to rotate, the gear I31 transmits power to the driving shaft 4, the oil injection pipe 9 in the independent combustion chamber 6 works at the moment, the electronic ignition head 8 is ignited to rapidly combust, high-pressure air is sent into the cavity 2 from the air injection pipe 5, the air blade I10 and the air blade II21 are not provided with through holes to divide the cavity 2 into the closed driving cavity 22 and the open exhaust cavity 23, the air blade 7 is driven by the high-pressure air to enable the driving wheel 3 to continuously rotate anticlockwise for 360 degrees periodically, compressed air is exchanged from the driving cavity 22 to the exhaust cavity 23 and is exhausted from the exhaust hole 11, and the motor 33 stops working immediately. In the process, the compression process is a semicircle close to 360 degrees from the wind blade I10 to the exhaust hole 11, the compression stroke is close to a complete circle, compared with the linear stroke of the traditional piston cylinder, the moment arm of the piston cylinder is increased to multiple times, and the piston cylinder runs stably and quietly.

The cylinder barrel 13 compression process: the driving wheel 3 makes a circular motion, because the eccentric wheel 19 is sleeved with the sliding bearing 18, the piston 15 rotates along with the cylinder barrel 13 and the driving wheel 13, in the process, the eccentric wheel 19 is pressed by the driving wheel 3 to force the piston 15 to do an extending action, so that the valve group II14 is pressed to be in a closed state, and the valve group I12 is pressed to be in an open state and is kept in a normal open state by centrifugal force, and further, the gas in the cylinder barrel 13 is compressed to the driving cavity 22, and the driving cavity 22 is further compressed.

Air suction process of the cylinder barrel 131: due to the eccentric action of the eccentric wheel 19, when the piston 15 extends, the piston 151 located in the diagonal direction retracts, the valve group II141 is opened by negative pressure, the valve group I121 in the cylinder barrel 131 is opened by centrifugal force, air enters the working chamber 20 from the second exhaust hole 30, passes through the valve group I121 to enter the cylinder barrel 131, and then enters the air passage 161 of the piston 151 from the valve group II141, so that the eccentric wheel 19 drives the piston in the diagonal direction to compress the cylinder barrel in turn to reciprocate at high speed. In the process, the air is sucked in the exhaust cavity 23 through the alternate boosting of the cylinder barrel, the auxiliary increase is continuously provided for the compression of the driving cavity 22, the driving force is obviously enhanced, the compression in the cylinder barrel is not combusted, the low-temperature and exhaust-gas-free emission is realized, finally, the driving wheel 3 is driven by 360 degrees and the cylinder barrel 13 jointly provides torque force for the driving shaft, and the engine has small mechanical vibration and good stability in long-time operation.

The invention adopts the external combustion of the cylinder barrel, namely, the external combustion is used for igniting and providing power output, so that the problem of low efficiency of the existing internal combustion engine is solved, a mode of tangential driving of a group of diagonal wind blades is creatively adopted to drive the driving wheels to repeatedly switch for transmission, and meanwhile, any pair of traditional single-cylinder reciprocating pistons are used as a supercharging cylinder to provide power auxiliary output, so that the problems of stronger power, less consumed energy and larger exhaust emission are solved.

Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. The utility model provides a novel no crankshaft engine, includes independent combustion chamber (6) and organism (1) that has cylindric cavity (2), and the center of cavity (2) sets up drive wheel (3), and drive shaft (4) are connected to the outer terminal surface of drive wheel (3), and drive shaft (4) are fixed on organism (1) lateral wall through bearing frame I (24), its characterized in that: the independent combustion chamber (6) is provided with an air injection pipe (5) communicated to the inner circular surface of the cavity (2), the outer circular surface of the driving wheel (3) is provided with a plurality of radial wind blades (7) with inclination angles, the wind blades (7) are tangent to the inner circular surface of the cavity (2), the air injection pipe (5) obliquely blows the wind blades (7), the inclination angle of the air injection pipe (5) is smaller than the inclination angle of the wind blades (7), only one group of wind blades (7) in the diagonal direction are provided with through holes (25) which do not penetrate, the centers of the other wind blades (7) are provided with through holes (25), the cavity (2) is divided into a driving cavity (22) and an exhaust cavity (23) by the two wind blades (7) without the through holes (25) which penetrate, the mutual air leakage of the driving cavity (22) and the exhaust cavity (23) is prevented, and the air injection pipe (5) is positioned in the driving cavity (22), an exhaust hole (11) is formed in the side wall of the cavity (2) of the exhaust cavity (23); the inner end surface of the driving wheel (3) is provided with an inward-concave cylindrical working cavity (20), the working cavity (20) and the outer circular surface of the driving wheel (3) form a ring-shaped boss (26), a second exhaust hole (30) is formed in the side wall, located on the machine body (1), of the working cavity (20) and communicated with the atmosphere outside the machine body (1), a plurality of equally-distributed cylinder barrels (13) penetrate through the ring-shaped boss (26) from inside to outside, the working cavity (20) is communicated with the cavity (2) through the cylinder barrels (13), one end, located in the cavity (2), of each cylinder barrel (13) is provided with a valve group I (12), and each valve group I (12) is an exhaust valve; a piston (15) is arranged in the cylinder barrel (13), a hollow air passage (16) is arranged in the piston (15), an air valve group II (14) is arranged in the air passage (16) at one end of the cavity (2) of the piston (15), and the air valve group II (14) is an air inlet valve; an eccentric wheel (19) is arranged in the working cavity (20), an eccentric shaft (29) of the eccentric wheel (19) is concentric with the driving shaft (4), the eccentric shaft (29) is erected on the side wall of the machine body (1) through a bearing seat I (27), a sliding bearing (18) is sleeved on the eccentric wheel (19), the tail end of a piston (15) is hinged to the sliding bearing (18) through a pin shaft (17), the piston (15) extends out to move in the driving cavity (22), the piston (15) retracts to move in the exhaust cavity (23), a gear I (31) is further sleeved on the driving shaft (4), and a motor (33) is arranged below the driving shaft (4) and is in transmission with the gear I (31) through a gear II (32).

2. The novel crankless engine according to claim 1, characterized in that: the cylinder barrels (13) are divided into four groups and are distributed in a cross shape in equal parts, and the strokes of any two groups of opposite cylinder barrels (13) are opposite.

3. The novel crankless engine according to claim 1, characterized in that: the angle of the inclination angle of the wind blade (7) and the driving wheel (3) is 40-80 degrees, and the angle of the inclination angle of the air injection pipe (5) and the driving wheel (3) is 30-70 degrees.

4. The novel crankless engine according to claim 1, characterized in that: the machine body (1) is rectangular, and the cavity (2) is located in the center of the machine body (1).

5. The novel crankless engine according to claim 1, characterized in that: the independent combustion chamber (6) is positioned in the machine body (1) above the cavity (2), an electronic ignition head (8) and an oil spraying pipe (9) are further arranged in the independent combustion chamber (6), a supply chamber (34) for supplying the oil spraying pipe (9) is further arranged at the rear part of the machine body (1), and an ignition system and an oil supply pump for supplying the electronic ignition head (8) and the oil spraying pipe (9) are arranged in the supply chamber (34).