CN209743031U

CN209743031U - Energy-saving engine

Info

Publication number: CN209743031U
Application number: CN201920358965.6U
Authority: CN
Inventors: 赵中民
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-03-21
Filing date: 2019-03-21
Publication date: 2019-12-06
Anticipated expiration: 2029-03-21

Abstract

An energy-saving engine relates to the technical field of engines and solves the problems of fuel waste and complex structure, and comprises a machine body shell, a first cylinder, a second cylinder, a cylinder cover, a first cylinder fuel nozzle and a single oil pump, wherein the first cylinder and the second cylinder are arranged in the machine body shell in parallel; a first piston is arranged in the first cylinder, the first piston is connected with a first connecting rod, and the first connecting rod is connected with a first crankshaft; a second piston is arranged in the second cylinder and is connected with a second connecting rod, and the second connecting rod is connected with a second crankshaft; the first piston and the second piston are the same in size and equal in stroke, and the journal of the first connecting rod is opposite to the journal of the second connecting rod in direction. The utility model discloses saved half the fuel, fuel saving, simple structure, the practicality is strong.

Description

Energy-saving engine

Technical Field

The utility model relates to the technical field of engines, concretely relates to energy-saving engine.

background

With the rapid development of road transportation, agricultural machinery, engineering machinery, ship transportation and internal combustion engine railway transportation, the problems of saving oil consumption, reducing cost and reducing environmental pollution become the most important concern all over the world. At present, double-cylinder engines all adopt double-body oil pumps which respectively supply oil to fuel nozzles of a first cylinder and a second cylinder which are arranged on a cylinder cover 3' through two high-pressure oil pipes to burn and push pistons in the two cylinders to do work, so that the engines run. The cylinder cover 3 'of the existing double-cylinder engine is shown in fig. 1 and 2, an air inlet valve, an exhaust valve and an exhaust port are respectively arranged on the cylinder cover 3' corresponding to a first cylinder and a second cylinder, the working processes of the first cylinder and the second cylinder are the same, and the first cylinder and the second cylinder are all subjected to an air suction stroke, a compression stroke, a combustion stroke and an exhaust stroke through fuel oil, so that the engine operates by repeatedly doing work. The two cylinders of the engine respectively consume fuel, waste energy and have a complex structure.

One of the existing engines is to connect an A cylinder and a B cylinder by a connecting pipe, gas discharged from the A cylinder is transmitted to the B cylinder by the connecting pipe, but after the gas is transmitted by the connecting pipe, the gas energy loss is very large, the utilization of the gas discharged from the A cylinder is influenced, the utilization rate is low, each cylinder is still required to correspond to an oil pump, and the engine is complex in structure and poor in practicability.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides an energy-saving engine.

The utility model discloses a solve the technical scheme that technical problem adopted as follows:

An energy-saving engine comprises an engine body shell, a first air cylinder, a second air cylinder, a cylinder cover, a first air cylinder fuel nozzle fixed on the cylinder cover and a single oil pump connected with the first air cylinder fuel nozzle through a high-pressure oil pipe, wherein the first air cylinder and the second air cylinder are arranged in the engine body shell in parallel; a first piston is arranged in the first cylinder, the first piston is connected with a first connecting rod, and the first connecting rod is connected with a first crankshaft; a second piston is arranged in the second cylinder and is connected with a second connecting rod, and the second connecting rod is connected with a second crankshaft; the first piston and the second piston have the same size and equal stroke, and the journal of the first connecting rod is opposite to the journal of the second connecting rod in direction.

Further, the movement directions of the first piston and the second piston are opposite.

Further, the vent pipeline and the cylinder cover are integrally formed.

Furthermore, the ventilation pipeline is obtained by opening an interlayer between a first exhaust valve and a second intake valve in the cylinder cover.

Further, the length of the vent pipeline is equal to the distance between the first exhaust valve and the second intake valve.

Furthermore, the exhaust valve I discharges the exhaust gas in the cylinder I into the intake valve II through the vent pipe, the exhaust gas pushes the piston II to move downwards to do work, and the piston II and the crankshaft II sequentially pass through the connecting rod II and the crankshaft II, so that the energy-saving engine operates.

The utility model has the advantages that:

1. The first exhaust valve of the utility model directly communicates with the second intake valve through the vent pipe designed and manufactured in the cylinder cover, so that the pressure of the exhaust gas discharged from the first cylinder is discharged into the second cylinder without loss or almost without loss to push the piston to do work; the first piston and the second piston have the same size and equal stroke, the direction of the journal of the first connecting rod is opposite to that of the journal of the second connecting rod, and the first piston, the second piston and the first piston are arranged at the top dead center and the other piston is arranged at the bottom dead center, so that waste gas generated by the first cylinder forcibly enters the second cylinder and pushes the second piston to do work, and the waste gas does work.

2. The utility model discloses an only adopt the monomer oil pump, a cylinder fuel acting, the waste gas acting of cylinder dual-purpose cylinder one compares in current binary oil pump engine, has saved half fuel, fuel saving, energy saving, low carbon environmental protection.

3. The utility model has the advantages of simple structure, the practicality is strong, no matter whether the repacking through current engine or preparation again, the cost of manufacture is all very low. Because the application of the engine is wide and the engine is applied in various fields in a large amount, the influence of saving fuel on social energy and environment is huge.

Drawings

Fig. 1 is a schematic perspective view of a cylinder head of a dual-cylinder engine in the prior art.

FIG. 2 is a cross-sectional view of a cylinder head of a prior art two cylinder engine.

Fig. 3 is a structural diagram of an energy-saving engine according to the present invention.

Fig. 4 is a schematic view of a three-dimensional structure of a cylinder head of an energy-saving engine according to the present invention.

fig. 5 is a cross-sectional view of a cylinder head of an energy-saving engine according to the present invention.

Fig. 6 is a schematic diagram of the working principle of the first stage of operation of the first cylinder and the second cylinder of the energy-saving engine of the present invention.

Fig. 7 is a schematic diagram of the working principle of the second stage of the first and second working cylinders of the energy-saving engine of the present invention.

Fig. 8 is a schematic diagram of the working principle of the third stage of the first and second cylinders of the energy-saving engine according to the present invention.

Fig. 9 is a schematic diagram of the working principle of the fourth stage of the operation of the first cylinder and the second cylinder of the energy-saving engine of the present invention.

In the figure: 1. the engine body comprises an engine body shell, 2, a single oil pump, 3, a cylinder cover, 4, an air inlet, 5, an air outlet, 6, first inlet valves, 7, first exhaust valves, 8, second inlet valves, 9, second exhaust valves, 10, first cylinders, 11, first pistons, 12, first connecting rods, 13, second cylinders, 14, second pistons, 15, second connecting rods, 16 and a ventilation pipeline.

In fig. 1 and 2: the prior art cylinder head 3 ', the prior art intake port one 4 ', the prior art exhaust port 5 ', the prior art intake valve one 6 ', the prior art exhaust valve one 7 ', the prior art intake valve two 8 ', and the prior art exhaust valve two 9 '.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention more clearly understood, the present invention will be described in further detail with reference to the accompanying drawings and detailed description.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.

An energy-saving engine comprises an engine body shell 1, a first cylinder 10, a second cylinder 13, a cylinder cover 3, a first cylinder fuel nozzle and a single oil pump 2. The engine body housing 1, the single oil pump 2 and the cylinder head 3 are shown in fig. 3. The first cylinder 10 and the second cylinder 13 are arranged in parallel in the machine body shell 1. The cylinder cover 3 covers the machine body shell 1, the first cylinder 10 and the second cylinder 13 at the same time to serve as cover bodies of the three. The cylinder I fuel nozzle is fixedly arranged on the cylinder cover 3, and the single oil pump 2 is connected with the cylinder I fuel nozzle through a high-pressure oil pipe to provide power for the operation of the cylinder I10. A first piston 11 is arranged in the first cylinder 10, the first piston 11 is connected with a first connecting rod 12, and the first connecting rod 12 is connected with a first crankshaft. A second piston 14 is arranged in the second cylinder 13, the second piston 14 is connected with a second connecting rod 15, and the second connecting rod 15 is connected with a second crankshaft. The first piston 11 and the second piston 14 are the same in size, and the stroke of the first piston 11 and the stroke of the second piston 14 in the first cylinder 10 are equal to the stroke of the second piston 14 in the second cylinder 13. The direction of the journal of the first connecting rod 12 is opposite to that of the journal of the second connecting rod 15, namely the direction of the journal of the first connecting rod 12 is 180 degrees with that of the journal of the second connecting rod 15. As shown in fig. 4 and 5, the cylinder head 3 is provided with an intake port 4 and an exhaust port 5. The cylinder cover 3 is provided with a first inlet valve 6 and a first exhaust valve 7 corresponding to the first cylinder 10, namely the first inlet valve 6 and the first exhaust valve 7 are the inlet valve and the exhaust valve of the first cylinder 10, and the first inlet valve 6 is communicated with the inlet port 4. The cylinder cover 3 is provided with a second inlet valve 8 and a second exhaust valve 9 corresponding to the second cylinder 13, namely the second inlet valve 8 and the second exhaust valve 9 are inlet valves and exhaust valves of the second cylinder 13, the second inlet valve 8 is directly communicated with the first exhaust valve 7 through a ventilation pipeline 16 designed and manufactured in the cylinder cover 3, and the second exhaust valve 9 is communicated with the exhaust port 5. The 'second inlet valve 8 is directly communicated with the first exhaust valve 7 through the cylinder cover 3' means that a ventilation pipeline 16 is arranged in the cylinder cover 3, the ventilation pipeline 16 and the cylinder cover 3 are of an integral structure, and the first exhaust valve 7 is directly communicated with the second inlet valve 8 through the ventilation pipeline 16.

The ventilation pipeline 16 may be integrally formed during the manufacture of the cylinder head 3, or may be formed by modifying the existing double-cylinder engine cylinder head 3 by opening the partition between the first exhaust valve 7 and the second intake valve 8, that is, the partition between the first exhaust valve 7 and the second intake valve 8 is eliminated, rather than being communicated by installing a connecting pipeline additionally. The vent pipe 16 is the shortest communication between the first exhaust valve 7 and the second intake valve 8, and the length of the vent pipe 16 is equal to the distance between the first exhaust valve 7 and the second intake valve 8.

The utility model discloses a realization can adopt current double cylinder engine to change. As known to those skilled in the art, the cylinder head 3 of the conventional dual-cylinder engine is provided with a first air inlet 4' (i.e., the first air inlet 4, the first air inlet valve 6, a first exhaust valve 7 and a first exhaust port) corresponding to the first air cylinder 10, and a second air inlet, a second air inlet valve 8, a second exhaust valve 9 and a second exhaust port (i.e., the second exhaust port 5) corresponding to the second air cylinder 13; the first cylinder 10 and the second cylinder 13 are arranged in parallel in the machine body shell 1, and the cylinder cover 3 covers the machine body shell 1, the first cylinder 10 and the second cylinder 13; the first cylinder 10 and the second cylinder 13 are respectively provided with a corresponding oil pump and a corresponding fuel nozzle (the first cylinder fuel nozzle corresponding to the first cylinder 10, and the second cylinder fuel nozzle corresponding to the second cylinder 13). The specific method for changing is as follows: the fuel oil device corresponding to the second cylinder 13 (the corresponding oil pump, the high-pressure oil pipe connected with the oil pump and the cylinder fuel oil nozzle) is cancelled, the fuel oil nozzle corresponding to the second cylinder 13 is dismantled, the dismantling notch of the fuel oil nozzle is sealed by a bolt, namely, the cylinder fuel oil nozzle corresponding to the first cylinder 10 is unchanged, and the position relation and the working process of the single oil pump 2 and the cylinder fuel oil nozzle are the prior art and are not changed. And secondly, an exhaust pipeline between the exhaust valve I7 and the exhaust port I is called an exhaust pipeline I, an air inlet pipeline between the air inlet valve II 8 and the air inlet port II is called an air inlet pipeline II, the exhaust pipeline I and the air inlet pipeline II are communicated, namely, an interlayer between the exhaust pipeline I and the air inlet pipeline II is communicated, after the exhaust pipeline I and the air inlet pipeline II are communicated, a channel ventilation pipeline 16 for communicating the exhaust valve I7 and the air inlet valve II 8 is formed in the cylinder cover 3, and then the exhaust port I is sealed, and the air inlet port II is sealed. At this time, the power of the piston motion of the second cylinder 13 is no longer supplied by the oil pump corresponding to the second cylinder 13, but is supplied by the gas exhausted by the exhaust valve one 7 corresponding to the first cylinder 10. And thirdly, sealing the first exhaust port and the second air inlet port.

That is to say that the oil pump that cylinder 10 corresponds is unchangeable, promptly the utility model discloses a single oil pump 2, the working process of cylinder 10 does not change, and the power source of cylinder two 13 is different from prior art, but via exhaust valve 7, through the waste gas of 16 rows of vent pipe who designs and makes in cylinder cap 3, promotes piston two 14 downstream work. In addition, the arrangement and connection of the cylinder sleeve, the water tank, the oil tank, the diesel oil filter bowl, the engine oil filter bowl and the like are the prior art.

The working process of the present invention is described below with the four processes of the cylinder one 10 as the main line. First, the intake valve one 6, the exhaust valve one 7, the intake valve two 8 and the exhaust valve two 9 are all in the closed state, and the piston one 11 is at the topmost end (top dead center) of the cylinder one 10. Waiting for fuel to work; the second piston 14 is at the bottommost part (bottom dead center) of the second cylinder 13.

Cylinder one 10 and cylinder two 13 operate in the first phase, as shown in fig. 6: the intake stroke of cylinder one 10 and the exhaust stroke of cylinder two 13. The first inlet valve 6 is opened, the first piston 11 moves downwards to suck air, and the air inlet stroke of the first cylinder 10 is finished. And the corresponding piston II 14 runs to the top of the cylinder II 13 under the mechanical force and the inertia force of the crankshaft II eccentric counterweight iron, meanwhile, the exhaust valve II 9 is opened to exhaust gas, and the exhaust stroke of the cylinder II 13 is finished.

Cylinder one 10 and cylinder two 13 are operated in the second phase, as shown in fig. 7: the compression stroke of cylinder one 10 and the compression stroke of cylinder two 13. The first intake valve 6, the first exhaust valve 7, the second intake valve 8 and the second exhaust valve 9 are in a closed state. The piston I11 is acted by the mechanical force and the inertia force of the crankshaft-eccentric counterweight iron to move towards the top of the cylinder I10, and the gas absorbed by the suction stroke is compressed. Correspond originally among two 13 prior art of cylinder this moment and be the burning power stroke, the utility model discloses well two 13 cylinders this moment are compression stroke, and piston two 14 receives two eccentric counter weight iron mechanical forces of bent axle and inertial force effect, and the downward motion compression stroke finishes.

Cylinder one 10 and cylinder two 13 are operated in a third phase, as shown in fig. 8: cylinder one 10 performs the power stroke and cylinder two 13 performs the compression stroke. And the inlet valve I6 and the exhaust valve I7 are both closed, the single oil pump 2 supplies oil to a fuel nozzle of the cylinder I10 through a high-pressure oil pipe, the fuel nozzle is sprayed into a combustion chamber and immediately burns when meeting compressed air, the generated gas pushes the piston I11 to downwards run, and the combustion work of the cylinder I10 is completed. And corresponding to the second cylinder 13, the second intake valve 8 and the second exhaust valve 9 are closed, the second piston 14 moves to the top of the second cylinder 13 under the mechanical force and the inertia force of the second eccentric counterweight iron of the crankshaft to generate compression, and the compression stroke of the second cylinder 13 is finished.

Cylinder one 10 and cylinder two 13 operate in the fourth phase, as shown in fig. 9: cylinder one 10 exhaust stroke and cylinder two 13 power stroke. The first exhaust valve 7 is opened, the second intake valve 8 is opened, and the first piston 11 moves towards the top of the first cylinder 10 under the action of mechanical force and inertia force of the first eccentric counterweight iron of the crankshaft and an exhaust stroke. At this time, the corresponding process is to forcibly discharge the exhaust gas discharged by the exhaust valve i 7 into the cylinder ii 13 through a vent pipe 16 designed and manufactured in the cylinder cover 3, so as to push the piston ii 14 to move downwards for doing work, and the exhaust gas is used for doing work stroke of the cylinder ii 13. Namely when the waste gas entering the inlet valve II 8 is the pressure required by the downward movement of the piston II 14 corresponding to the cylinder II 13, the waste gas discharged by the cylinder I10 through the exhaust valve I7 is directly discharged into the cylinder II 13 through a vent pipeline 16 designed and manufactured in the cylinder cover 3, the piston II 14 is pushed to rapidly move downward to do work, the engine is operated through repeated circulation through the connecting rod II 15 and the crankshaft II, and the work of the waste gas is finished.

The utility model discloses the mode that exhaust valve 7 directly communicates intake valve two 8 through the vent pipe 16 of design manufacturing in cylinder cap 3 makes the cylinder 10 exhaust waste gas lossless or almost lossless discharge cylinder two 13 promote piston two 14 downstream work. The utility model discloses need the same and stroke of the size of piston 11 and piston two 14 to equal, the axle journal of connecting rod 12 and the axle journal opposite direction of connecting rod two 15, the operation opposite direction of piston 11 and piston two 14 for the waste gas that cylinder one 10 produced enters into cylinder two 13 and promotes piston two 14 and do work through this kind of setting. The utility model discloses a piston 11 is the same and the stroke of two 14's of piston, the axle journal of connecting rod 12 is opposite with two 15's of connecting rod axle journal direction, piston 11 is opposite with two 14's of piston operation direction, another at the bottom dead center in piston 11 and two 14 one of piston, vent pipe 16 realizes the nearest intercommunication mode of exhaust valve 7 and two 8 intake valves, waste gas has almost no loss, two 13 cylinders are discharged into by force to exhaust valve 7 exhaust waste gas, can satisfy two 13 interior piston two 14 acting needs of cylinder after cylinder 10's waste gas reachs two 13 cylinders, realize the waste gas acting. The utility model discloses an only adopt monoblock oil pump 2, cylinder 10 fuel acting, cylinder two 13 are with the waste gas acting of cylinder 10, compare in current binary oil pump engine, have saved half fuel, fuel saving, energy saving, low carbon environmental protection. Simultaneously the utility model has the advantages of simple structure, the practicality is strong, no matter whether the repacking through current engine or preparation again, the cost of manufacture is all very low. Because the application of the engine is wide and the engine is applied in various fields in a large amount, the influence of saving fuel on social energy and environment is huge.

The above solution is equally applicable to the case of multiple cylinders. For example, adopt the mode of multiunit AB combination (the combination that cylinder one 10, cylinder two 13, cylinder one 10 and cylinder two 13 set up side by side, or the combination that cylinder one 10, cylinder two 13, cylinder one 10 and cylinder two 13 set up side by side), the setting of corresponding piston rod bent axle with the utility model discloses a piston rod bent axle. The fuel quantity can be saved by 50%.

Claims

1. An energy-saving engine is characterized by comprising a machine body shell (1), a first cylinder (10), a second cylinder (13), a cylinder cover (3), a first cylinder fuel nozzle fixed on the cylinder cover (3) and a single oil pump (2) connected with the first cylinder fuel nozzle through a high-pressure oil pipe, wherein the first cylinder (10) and the second cylinder (13) are arranged in the machine body shell (1) in parallel, the cylinder cover (3) covers the machine body shell (1), the first cylinder (10) and the second cylinder (13), the cylinder cover (3) is provided with an air inlet (4) and an air outlet (5), the first cylinder (10) is provided with a first air inlet valve (6) and a first exhaust valve (7) correspondingly, the second cylinder (13) is provided with a second air inlet valve (8) and a second exhaust valve (9), a ventilation pipeline (16) is arranged in the cylinder cover (3), and the ventilation pipeline (16) and the cylinder cover (3) are of an, the first intake valve (6) is communicated with the intake port (4), the first exhaust valve (7) is directly communicated with the second intake valve (8) through a ventilation pipeline (16), and the second exhaust valve (9) is communicated with the exhaust port (5); a first piston (11) is arranged in the first cylinder (10), the first piston (11) is connected with a first connecting rod (12), and the first connecting rod (12) is connected with a first crankshaft; a second piston (14) is arranged in the second cylinder (13), the second piston (14) is connected with a second connecting rod (15), and the second connecting rod (15) is connected with a second crankshaft; the first piston (11) and the second piston (14) are the same in size and equal in stroke, and the journal of the first connecting rod (12) is opposite to the journal of the second connecting rod (15).

2. An energy efficient engine as defined in claim 1, characterized in that the direction of movement of the first piston (11) and the second piston (14) is opposite.

3. An energy efficient engine according to claim 1, characterized in that the breather conduit (16) is formed integrally with the cylinder head (3).

4. An energy-saving engine as claimed in claim 1, characterized in that the ventilation duct (16) is obtained by opening a partition between the first exhaust valve (7) and the second intake valve (8) in the cylinder head (3).

5. An energy efficient engine according to claim 1, characterized in that the length of the ventilation duct (16) is equal to the distance between the first exhaust valve (7) and the second intake valve (8).

6. The energy-saving engine as claimed in claim 1, characterized in that the exhaust valve I (7) discharges the exhaust gas in the cylinder I (10) into the intake valve II (8) through the ventilation pipeline (16), and the exhaust gas pushes the piston II (14) to move downwards to do work and sequentially pass through the connecting rod II (15) and the crankshaft II to enable the energy-saving engine to operate.