阅读说明：本技术 串列双缸二冲程发动机 (Tandem two-stroke engine with double cylinders ) 是由 李正宇 于 2019-10-15 设计创作，主要内容包括：本发明公开了串列双缸二冲程发动机,包括缸体,所述缸体的内部串列有第一气缸与第二气缸,所述缸体的上端外表面活动安装有缸盖,且缸盖的下端外表面设有燃烧室,所述燃烧室的上端外表面一侧活动安装有火花塞,且燃烧室的上端外表面另一侧活动安装有喷油嘴,所述第一气缸的后端外表面中部位置开设有排气口。该串列双缸二冲程发动机,将一个气缸改为两个气缸,将原有的进气口与排气口分到第二气缸及第一气缸内,加入空气增压器以实现二冲程发动机的扫气,增加活塞环以保障空气不再经过曲轴箱,以改善原有二冲程发动机的烧机油和机油消耗的问题,曲轴箱里加入机油已实现发动机主要零件的精密润滑。(The invention discloses tandem two-stroke engine with double cylinders, including cylinder body, the inside tandem of the cylinder body has the first cylinder and the second cylinder, the upper end outer surface of the cylinder body is movably installed with cylinder cap, and the lower end outer surface of cylinder cap is equipped with combustion chamber, the upper end outer surface side of the combustion chamber is movably installed with spark plug, and the upper end outer surface other side of combustion chamber is movably installed with atomizer, and the back end outer surface medium position of first cylinder offers exhaust outlet.The tandem two-stroke engine with double cylinders, one cylinder is changed to two cylinders, original air inlet and exhaust outlet are assigned in the second cylinder and the first cylinder, air pressurizing unit is added to realize the scavenging of two stroke engine, increase piston ring to ensure that air is no longer pass through crankcase, the accurate lubrication that machine oil has realized engine major part is added in crankcase in the problem of burn oil and consumption of lubricating oil to improve original two stroke engine.)

1. tandem two-stroke engine with double cylinders, including cylinder body (1), it is characterised in that: the inside tandem of the cylinder body (1) has first Cylinder (2) and the second cylinder (3), the upper end outer surface of the cylinder body (1) is movably installed with cylinder cap (4), and the lower end of cylinder cap (4) Outer surface is equipped with combustion chamber (5), and the upper end outer surface side of the combustion chamber (5) is movably installed with spark plug (6), and combustion chamber (5) the upper end outer surface other side is movably installed with atomizer (7), the back end outer surface medium position of first cylinder (2) It offers exhaust outlet (8), the back end outer surface medium position of second cylinder (3) offers air inlet (9), first gas The inside of cylinder (2) and the second cylinder (3) is movably installed with piston (10), and the outer surface upper and lower ends of piston (10) are movable It is equipped with piston ring (11), the interior lower end of the cylinder body (1) is equipped with crankcase (12), and the lower end activity of the piston (10) is pacified Lower end equipped with piston rod (13), and piston rod (13) is movably installed with crankshaft (14).

2. tandem two-stroke engine with double cylinders according to claim 1, it is characterised in that: first cylinder (2) and the It is connected between two cylinders (3) by combustion chamber (5).

3. tandem two-stroke engine with double cylinders according to claim 1, it is characterised in that: the rear end of the air inlet (9) It is movably installed with air intake duct (15), and the back end activity of air intake duct (15) is equipped with air pressurizing unit (16), the exhaust outlet (8) Rear end be connected with exhaust duct.

4. tandem two-stroke engine with double cylinders according to claim 1, it is characterised in that: two pistons (10) are located at When the inside top dead centre of the first cylinder (2) and the second cylinder (3), two pistons 10 respectively to air inlet (9) and exhaust outlet (8) into Row closure, when two pistons (10) are located inside lower dead center of the first cylinder (2) with the second cylinder (3), two pistons 10 Air inlet (9) and exhaust outlet (8) are opened respectively.

5. tandem two-stroke engine with double cylinders according to claim 1, it is characterised in that: the exhaust outlet (8) be higher than into Port (9).

6. tandem two-stroke engine with double cylinders according to claim 1, it is characterised in that: the crankshaft (14) is installed on song The inside of axle box (12).

Technical field

The present invention relates to piston internal-combustion fields, specially tandem two-stroke engine with double cylinders.

Background technique

Two stroke engine comparison four-stroke engine has that structure is simple, and unit efficiency is high, the low feature of manufacturing cost, but Due to two stroke engine scavenging reasons in structure, two stroke engine is without image of Buddha four-stroke engine main to engine like that zero The accurate lubrication of part, the deficiency of accurate lubricating system mean that the components of two stroke engine consume faster to rush without the image of Buddha four Journey engine uses for a long time like that, and air carries certain machine oil and plays profit to part when two-stroke engine lubrication is air inlet It is sliding, but machine oil and one combust of fuel oil meeting hydrocarbon release can also be made to cause greatly to break ring to environment.

For this purpose, providing tandem two-stroke engine with double cylinders.

Summary of the invention

(1) the technical issues of solving

In view of the deficiencies of the prior art, the present invention provides tandem two-stroke engine with double cylinders, the tandem twin-tub two-strokes Engine changes original two stroke engine structure, and a cylinder is changed to two cylinders, by original air inlet and exhaust Mouth is assigned in the first cylinder and the second cylinder, and air pressurizing unit is added to realize the scavenging of two stroke engine, increases piston ring To ensure that air is no longer pass through crankcase, the problem of burn oil and consumption of lubricating oil to improve original two stroke engine, crankshaft The accurate lubrication that machine oil has realized engine major part is added in case.

(2) technical solution

In order to achieve the above object, the present invention is achieved by the following technical programs: tandem two-stroke engine with double cylinders, packet Cylinder body is included, the inside tandem of the cylinder body has the first cylinder and the second cylinder, and the upper end outer surface of the cylinder body is movably installed with Cylinder cap, and the lower end outer surface of cylinder cap is equipped with combustion chamber, the upper end outer surface side of the combustion chamber is movably installed with spark plug, And the upper end outer surface other side of combustion chamber is movably installed with atomizer, the back end outer surface medium position of first cylinder is opened Equipped with exhaust outlet, the back end outer surface medium position of second cylinder offers air inlet, first cylinder and the second gas The inside of cylinder is movably installed with piston, and the outer surface upper and lower ends of piston are movably installed with piston ring, the cylinder body Interior lower end is equipped with crankcase, and the lower end of the piston is movably installed with piston rod, and the lower end activity installation of piston rod There is crankshaft.

Preferably, pass through combustion chamber between first cylinder and the second cylinder.

Preferably, the back end activity of the air inlet is equipped with air intake duct, and the back end activity of air intake duct is equipped with air The rear end of booster, the exhaust outlet is connected with exhaust duct.

Preferably, when two pistons are located at the inside top dead centre of the first cylinder and the second cylinder, two pistons difference Air inlet and exhaust outlet are closed, when two pistons are located at the inside lower dead center of the first cylinder and the second cylinder, two A piston respectively opens air inlet and exhaust outlet.

Preferably, the exhaust outlet is higher than air inlet.

Preferably, the crankshaft installed is in the inside of crankcase.

(3) beneficial effect

The present invention provides tandem two-stroke engine with double cylinders, have it is following the utility model has the advantages that

Change original two stroke engine structure, a cylinder be changed to two cylinders, by it is original into air inlet with Exhaust outlet is assigned in the second cylinder and the first cylinder, and air pressurizing unit is added to realize the scavenging of two stroke engine, increases and lives Plug ring is to ensure that air is no longer pass through crankcase, the problem of burn oil and consumption of lubricating oil to improve original two stroke engine, The accurate lubrication that machine oil has realized engine major part is added in crankcase, accurate lubrication can be realized to engine to realizing Prolong the service life, reduce two stroke engine consumption of lubricating oil, avoids machine oil and fuel oil multifuel combustion to reduce nytron The features such as discharge of object has the simple manufacturing cost of structure low to pollution, comparison four-stroke engine is reduced, and unit power is high.

Detailed description of the invention

Fig. 1 is cylinder body machine internal view of the invention；

Fig. 2 is that the first cylinder of the invention combines view with exhaust outlet；

Fig. 3 is that the second cylinder of the invention combines view with air inlet.

In figure: 1, cylinder body；2, the first cylinder；3, the second cylinder；4, cylinder cap；5, combustion chamber；6, spark plug；7, atomizer； 8, exhaust outlet；9, air inlet；10, piston；11, piston ring；12, crankcase；13, piston rod；14, crankshaft；15, air intake duct； 16, air pressurizing unit.

Specific embodiment

Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall within the protection scope of the present invention.

Shown in please referring to Fig.1 to Fig.3, the present invention provides a kind of technical solution: tandem two-stroke engine with double cylinders, such as Fig. 1 To shown in Fig. 2, including cylinder body 1, the inside tandem of the cylinder body 1 have the first cylinder 2 and the second cylinder 3, the upper end of the cylinder body 1 Outer surface is movably installed with cylinder cap 4, and the lower end outer surface of cylinder cap 4 is equipped with combustion chamber 5, the upper end outer surface of the combustion chamber 5 Side is movably installed with spark plug 6, and the upper end outer surface other side of combustion chamber 5 is movably installed with atomizer 7, first gas The back end outer surface medium position of cylinder 2 offers exhaust outlet 8, and the back end outer surface medium position of second cylinder 3 offers The inside of air inlet 9, first cylinder 2 and the second cylinder 3 is movably installed with piston 10, and above and below the outer surface of piston 10 Both ends are movably installed with piston ring 11, and the interior lower end of the cylinder body 1 is equipped with crankcase 12, the lower end activity of the piston 10 Piston rod 13 is installed, and the lower end of piston rod 13 is movably installed with crankshaft 14；

As shown in figure 3, the back end activity of the air inlet 9 is equipped with air intake duct 15, and the back end activity peace of air intake duct 15 Equipped with air pressurizing unit 16.

It by using above-mentioned technical proposal, lights a fire in atomizer 7 to 5 oil spout spark plug 6 of combustion chamber, combustion chamber 5 is by fuel oil In the energy conduction of burning to the piston 10 in the first cylinder 2 and the second cylinder 3, the workmanship movement downwards simultaneously of two pistons 10, And push crankshaft 14 to rotate by piston rod 13, when the piston 10 for the first cylinder 2 for being equipped with exhaust outlet 8 moves to exhaust outlet 8 When, exhaust gas in 2 combustion chamber 5 of the first cylinder, which is discharged, reduces in-cylinder pressure, when the piston 10 for the second cylinder 3 for being equipped with air inlet 9 is transported When moving air inlet 9, the first cylinder 2 and the second cylinder 3 pass through the pressure-air completion scavenging that combustion chamber 5 enters air intake duct 15, When piston 10 reaches lower dead center, with 14 turning effort of crankshaft, crankshaft 14 makes piston 10 start to transport upwards by piston rod 13 Dynamic, piston 10 sequentially switches off air inlet 9 and exhaust outlet 8, the upward compressed air of piston 10 to combustion chamber 5, piston when moving upwards 10 reach top dead centre as a working cycles, and oil spout spark plug 6 lights a fire fuel oil in 5 combustion piston 10 of combustion chamber to atomizer 7 again Continue to do manual work, move reciprocatingly, when piston 10 moves up and down inside the first cylinder 2 and the second cylinder 3, piston 10 passes through piston Connecting rod 13 pushes crankshaft 14, as the movement band dynamic crankshaft 14 of piston 10 is rotated, in crankcase 12 when crankshaft 14 rotates Machine oil be stirred, to splashing the machine oil in crankcase 12 on the inner wall of the first cylinder 2 and the second cylinder 3 and bent The junction of axis 14, piston rod 13 and piston 10, and then realize to the first cylinder 2 and the second cylinder 3 and crankshaft 14, piston The lubrication of 10 junction of connecting rod 13 and piston, changes original two stroke engine structure, by a cylinder, is changed to two gas Original air inlet 9 is assigned in the second cylinder 3 and the first cylinder 2 with exhaust outlet 8, air pressurizing unit 16 is added to realize by cylinder The scavenging of two stroke engine increases piston ring 11, and one group of piston ring 11 is located at 10 top of piston, and one group of piston ring 11 is located at work Fill in 10 lower parts, when two pistons 10 are in lower dead center, be located at the top of the upper limb of two pistons 10 lower section of exhaust outlet 8 with And it is flat with the lower edge one of air inlet 9, the lower edge of two each pistons 10 is flat with the lower edge one of the first cylinder 2 and the second cylinder 3 respectively, when For two pistons 10 in top dead centre, the top of two pistons 10 is flat with the upper limb one of the first cylinder 2 and the second cylinder 3 respectively, The lower piston ring 11 of two pistons 10 is located at the lower section of air inlet 9 Yu exhaust outlet 8, and lower piston ring 11 prevents machine oil logical The gap crossed between piston 10 and the first cylinder 2 and the second cylinder 3 enters in air inlet 9 or exhaust outlet 8, prevents in air inlet 9 Pressure-air enter in crankcase 12, to ensure that air is no longer pass through crankcase 12, to improve original two stroke engine The problem of burn oil and consumption of lubricating oil, the inner accurate lubrication that machine oil is added and has realized engine major part of crankcase 12 can be with Accurate lubrication, which prolongs the service life, to be realized to engine to realizing, reduces two stroke engine consumption of lubricating oil, avoid machine oil and Fuel oil multifuel combustion has structure simply to manufacture to the discharge for reducing hydrocarbon to pollution, comparison four-stroke engine is reduced It is at low cost, the features such as unit power is high.

Specifically, as shown in Figure 1, being connected between first cylinder 2 and the second cylinder 3 by combustion chamber 5.

It by using above-mentioned technical proposal, lights a fire in atomizer 7 to 5 oil spout spark plug 6 of combustion chamber, combustion chamber 5 is by fuel oil In the energy conduction of burning to the piston 10 in the first cylinder 2 and the second cylinder 3, while the first cylinder 2 passes through with the second cylinder 3 Combustion chamber 5 is connected, so that the first cylinder 2 is identical as pressure in the second cylinder 3.

Specifically, as shown in figure 3, the back end activity of the air inlet 9 is equipped with air intake duct 15, and the rear end of air intake duct 15 It is movably installed with air pressurizing unit 16, the rear end of the exhaust outlet 8 is connected with exhaust duct.

By using above-mentioned technical proposal, air pressurizing unit 16 15 rear end of air intake duct to enter the air of air intake duct 15 into Air higher-pressure region is formed in row charged air induction road 15, to realize the scavenging of two stroke engine.

Specifically, as shown in Figure 1, two pistons 10 are located at the inside top dead centre of the first cylinder 2 and the second cylinder 3 When, two pistons 10 are respectively closed air inlet 9 and exhaust outlet 8, and two pistons 10 are located at the first cylinder 2 and second When the inside lower dead center of cylinder 3, two pistons 10 respectively open air inlet 9 and exhaust outlet 8.

By using above-mentioned technical proposal, when two pistons 10 are in top dead centre, the top of two pistons 10 respectively with The upper limb one of first cylinder 2 and the second cylinder 3 is flat, and the lower piston ring 11 of two pistons 10 is located at air inlet 9 and exhaust The lower section of mouth 8, lower piston ring 11 prevent machine oil from entering by the gap between piston 10 and the first cylinder 2 and the second cylinder 3 In air inlet 9 or exhaust outlet 8, prevent the pressure-air in air inlet 9 from entering in crankcase 12, to ensure that air is no longer pass through song The problem of axle box 12, burn oil and consumption of lubricating oil to improve original two stroke engine.

Specifically, as shown in Figure 1, the exhaust outlet 8 is higher than air inlet 9.

By using above-mentioned technical proposal, exhaust outlet 8 is set to the top of air inlet 9, is first depressurized with reaching in scavenging Purpose, when piston 10 is in top dead centre, the lower edge of air inlet 9 is above 10 lower piston ring 11 of piston, and piston 10 pushes up Portion and 3 top one of the second cylinder are flat, and when piston 10 is in lower dead center, two 10 tops of piston are respectively in the lower section of exhaust outlet 8 And it is horizontal with air inlet 9, and 10 bottom of piston and the first cylinder 2 and 3 bottom one of the second cylinder are flat.

Specifically, as shown in Figure 1, the crankshaft 14 is installed on the inside of crankcase 12.

By using above-mentioned technical proposal, crankshaft 14 is stirred the machine oil in crankcase 12 when rotating, thus by bent Machine oil in axle box 12 is splash on the inner wall of the first cylinder 2 and the second cylinder 3 and crankshaft 14, piston rod 13 and piston 10 Junction, and then realize to the first cylinder 2 and the second cylinder 3 and 10 junction of crankshaft 14, piston rod 13 and piston Lubrication.

Application method: in use, lighting a fire in atomizer 7 to 5 oil spout spark plug 6 of combustion chamber, combustion chamber 5 is by fuel burning In energy conduction to the piston 10 in the first cylinder 2 and the second cylinder 3, the workmanship movement downwards simultaneously of two pistons 10, and pass through Piston rod 13 pushes crankshaft 14 to rotate, the discharge when being equipped with the piston 10 of the first cylinder 2 of exhaust outlet 8 and moving to exhaust outlet 8 Exhaust gas reduces in-cylinder pressure in first cylinder, 2 combustion chamber 5, when the piston 10 for the second cylinder 3 for being equipped with air inlet 9 moves to air inlet When mouth 9, the first cylinder 2 and the second cylinder 3 pass through the pressure-air completion scavenging that combustion chamber 5 enters air intake duct 15, and piston 10 arrives When up to lower dead center, with 14 turning effort of crankshaft, crankshaft 14 makes piston 10 start to move upwards by piston rod 13, piston 10 Air inlet 9 and exhaust outlet 8, the upward compressed air of piston 10 to combustion chamber 5 are sequentially switched off when moving upwards, piston 10 reaches only Point is a working cycles, and the igniting of oil spout spark plug 6 fuel oil continues to do manual work atomizer 7 in 5 combustion piston 10 of combustion chamber again, is done It moves back and forth, when piston 10 moves up and down inside the first cylinder 2 and the second cylinder 3, piston 10 is pushed by piston rod 13 Crankshaft 14 carries out the machine oil in crankcase 12 when crankshaft 14 rotates as the movement band dynamic crankshaft 14 of piston 10 is rotated Stirring, to splashing the machine oil in crankcase 12 on the inner wall of the first cylinder 2 and the second cylinder 3 and crankshaft 14, piston The junction of connecting rod 13 and piston 10, so realize to the first cylinder 2 and the second cylinder 3 and crankshaft 14, piston rod 13 and The lubrication of 10 junction of piston changes original two stroke engine structure, by a cylinder, is changed to two cylinders, will be original Air inlet 9 and exhaust outlet 8 assign in the second cylinder 3 and the first cylinder 2, be added air pressurizing unit 16 to realize that two-stroke is started The scavenging of machine increases piston ring 11, and one group of piston ring 11 is located at 10 top of piston, and one group of piston ring 11 is located at 10 lower part of piston, When two pistons 10 are in lower dead center, be located at the top of the upper limb of two pistons 10 exhaust outlet 8 lower section and same air inlet The lower edge one of mouth 9 is flat, and the lower edge of two pistons 10 is flat with the lower edge one of the first cylinder 2 and the second cylinder 3 respectively, when two pistons 10 in top dead centre, and the top of two pistons 10 is flat with the upper limb one of the first cylinder 2 and the second cylinder 3 respectively, two pistons 10 lower piston ring 11 is located at the lower section of air inlet 9 Yu exhaust outlet 8, and lower piston ring 11 prevents machine oil from passing through piston 10 Gap between the first cylinder 2 and the second cylinder 3 enters in air inlet 9 or exhaust outlet 8, prevents the high pressure in air inlet 9 empty Gas enters in crankcase 12, to ensure that air is no longer pass through crankcase 12, with improve original two stroke engine burn oil and The problem of consumption of lubricating oil, the inner accurate lubrication that machine oil is added and has realized engine major part of crankcase 12 can be to realization pair Engine realizes that accurate lubrication prolongs the service life, and reduces two stroke engine consumption of lubricating oil, avoids machine oil and fuel oil multifuel combustion There is the simple manufacturing cost of structure low to pollution, comparison four-stroke engine is reduced to reduce the discharge of hydrocarbon, The features such as unit power is high.

It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding And modification, the scope of the present invention is defined by the appended.