CN201546812U

CN201546812U - Internal-combustion engine of arc-shaped cylinder

Info

Publication number: CN201546812U
Application number: CN2009202442129U
Authority: CN
Inventors: 刘新成
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-11-18
Filing date: 2009-11-18
Publication date: 2010-08-11
Anticipated expiration: 2019-11-18

Abstract

The utility model relates to an internal-combustion engine. The internal-combustion engine comprises a cylinder body (1), a piston (2), a power arm (3), and a power shaft (4), wherein one end of the power arm (3) is fixedly connected with the tail end of a piston rod (21), and the other end thereof is pivotally mounted on the power shaft (4); and the internal-combustion engine further comprises an adjusting crank shaft (5) and a transmission connecting rod (6), one end of the transmission connecting rod (6) is hinged with the power arm (3), and the other end thereof is hinged with the adjusting crank shaft (5). The internal-combustion engine has the advantages of simple and reasonable structure, high working efficiency, and low energy loss; the piston drives the power shaft to work along the tangential direction all the time, and the length of the cylinder is not limited by the semidiameter of the crank shaft, thereby overcoming the defect in a straight cylinder internal-combustion engine, and having strong feasibility; the independent adjusting crank shaft is adopted to drive the synchronous open-and-shut mode of an air valve, and the piston is driven to do reciprocating movement through inertia, thereby inheriting the advantages of the traditional straight cylinder internal-combustion engine; and the efficiency is greatly improved by compared with the straight cylinder internal-combustion engine, thereby having positive functions of energy conservation and emission reduction, and environmental protection.

Description

Arc cylinder internal-combustion engine

Technical field

The utility model relates to internal-combustion engine.

Background technique

Petrol engine and diesel engine are referred to as internal-combustion engine, internal-combustion engine commonly used is the straight-cylinder structure, piston straight reciprocating motion in cylinder drives the bent axle outputting power that moves in a circle, because piston is piston rod a bit the longest to Driving force maximum, the arm of force of bent axle perpendicular to the bent axle diameter in expansion stroke only, acting moment maximum, other position piston is the component of piston thrust to the active force of bent axle even is zero, and the arm of force is also littler even be zero, and its power utilization rate is low, loss is big; Because power output is uneven, internal combustion (IC) engine airframe can produce than big bang, noise is also very high.The cylinder block length of straight-cylinder internal-combustion engine is limit by the bent axle moving radius in addition, can not do very longly, the cylinder block volume size is limited, this high-temperature high-pressure fuel gas that also causes doing work in cylinder is just discharged as waste gas when pressure is also big, this has also caused very big energy loss, has reduced efficient.So imagining the length of manufacturing a kind of thrust that can efficiently utilize piston and produced, cylinder, someone is not subjected to the crank throw restriction so that effectively improve the combustion gas mechanical efficiency, reduce the arc cylinder internal-combustion engine of energy loss, its cylinder is an arcuate structure, piston does work along the arc curve to-and-fro motion in cylinder, piston always tangentially the volume of work done of propulsion power axle and cylinder not limited by crank throw, overcome the above-mentioned shortcoming of straight-cylinder internal-combustion engine.But existing arc cylinder internal-combustion engine is because existence or structure are reasonable inadequately, can not really reach the purpose of raising the efficiency, even can't specifically implement, or structure is too complicated, and manufacturability requires too high, and prior art can't processing and fabricating, or scheme is too simple, the shortcoming that can't really implement can't obtain promoting and application in practice, make this technology can't be effectively played.

The model utility content

The purpose of this utility model provides a kind of simple and reasonable, mechanical efficiency is high, energy loss is little arc cylinder internal-combustion engine.

Technical solution of the present utility model is: it comprises that cylinder chamber center line is the cylinder block of camber line shape, in the cylinder chamber, do camber line shape pistons reciprocating, power arm and line shaft, one end of power arm is fixedlyed connected with the tail end of piston rod, the other end is rotatably installed in by single direction ratchet formula mechanism and drives the line shaft one-way rotation on the line shaft, it also comprises regulates bent axle and kinematic link, one end of kinematic link is hinged on the position, disalignment on the power arm, the other end is hinged on regulates position, disalignment drive adjusting bent axle rotation on the bent axle, and the adjusting bent axle links to each other with the camshaft of cylinder block by transmission device and drives the camshaft rotation.

Technique effect of the present utility model is: it has simple and reasonable; the mechanical efficiency height; the advantage that energy loss is little; its piston always tangentially the length of work done of propulsion power axle and cylinder not limited by crank throw; overcome the shortcoming of straight-cylinder internal-combustion engine; has very strong feasibility; its employing is independently regulated bent axle and is driven the synchronous open and-shut mode of valve and lean on the inertia-activated piston to move reciprocatingly; inherited the advantage of traditional straight-cylinder internal-combustion engine; its efficient is greatly improved than straight-cylinder internal-combustion engine, and energy-saving and emission-reduction and environmental protection are also had positive effect.

Description of drawings

Fig. 1 is the utility model embodiment one suction stroke structural drawing;

Fig. 2 is the utility model embodiment one compression stroke structural drawing;

Fig. 3 is the utility model embodiment one expansion stroke structural drawing;

Fig. 4 is the utility model embodiment one exhaust stroke structural drawing;

Fig. 5 is the utility model embodiment one sectional structure chart;

Fig. 6 is the utility model embodiment one single direction ratchet formula mechanism sectional view;

Fig. 7 is the utility model embodiment two sectional structure charts;

Fig. 8, Fig. 9, Figure 10, Figure 11, Figure 12, Figure 13 are straight-cylinder internal-combustion engine expansion stroke kinematic analysis figure.

Embodiment

Embodiment one, as Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, shown in Figure 6, it comprises that cylinder chamber 11 center lines are the cylinder block 1 of camber line shape, in cylinder chamber 11, do camber line shape pistons reciprocating 2, power arm 3 and line shaft 4, one end of power arm 3 is fixedlyed connected with the tail end of piston rod 21, the other end is rotatably installed in by single direction ratchet formula mechanism and drives line shaft 4 one-way rotation on the line shaft 4, it also comprises regulates bent axle 5 and kinematic link 6, one end of kinematic link 6 is hinged on the position, disalignment on the power arm 3, the other end is hinged on regulates position, disalignment drive adjusting bent axle 5 rotations on the bent axle 5, and adjusting bent axle 5 links to each other with the camshaft 12 of cylinder block 1 by transmission device and drives camshaft 12 rotations.

The axle center of line shaft 4 is positioned on the centre point of arc cylinder piston motion.

The cross section of the cylinder chamber 11 of cylinder block 1, piston 2 and piston rod 21 is a camber line shape for circular, center line, and piston 2 and piston rod 21 are done the motion of camber line shape.The perisporium of piston 2 is provided with in some roads seal groove 22, the seal groove 22 and is separately installed with seal ring 23.

Single direction ratchet formula mechanism comprises on the opposing side of power plate 41, two power plates 41 that are fixed on power arm 3 both sides on the line shaft 4 and is respectively equipped with the unidirectional trip 42 of several power arms.The unidirectional trip 42 of each power arm lays respectively in the clip tenon trough 43 on the power plate 4 and is hinged on the power plate 4, is respectively equipped with stage clip 44 between unidirectional trip 42 of each power arm and the power plate 41.

One end of kinematic link 6 is hinged between the axle center and power arm 3 the other ends of power arm 3 on the power arm 3.

The axle center of regulating bent axle 5 is positioned on the top and terminal line of kinematic link 6 and the motion of power arm 3 articulating points.

Be respectively equipped with the valve stem 16 that is slidingly mounted on the cylinder block 1 and is with reseting pressuring spring 15 on the intake valve 13 of cylinder block 1 and the exhaust valve 14, the breech face of valve stem 16 is pressed on the periphery wall of camshaft 12 overhead cams 17.Spark plug or oil nozzle 18 are installed on the cylinder block 1.

Transmission device by coaxial be fixed on the small belt pulley 51 regulated on the bent axle 5, coaxial be fixed on the big belt pulley 19 on the camshaft 12 and be connected in small belt pulley 51 and big belt pulley 19 between driving belt 20 constitute.The radius ratio of small belt pulley 51 and big belt pulley 19 is 1: 2.Transmission device can also be by being fixed on the small gear regulated on the bent axle 5 and the gearwheel that is fixed on the camshaft 12 that is meshed with small gear constitutes.The gear ratio of small gear and gearwheel is 1: 2.

Line shaft 4, adjusting bent axle 5 and camshaft 12 are rotatably installed in respectively on the internal-combustion engine housing.

Embodiment two, as shown in Figure 7, with embodiment one difference is that power arm 3 is provided with the adjusting bent axle power arm 31 opposite with power arm 3 directions, and the free end of an end of kinematic link 6 and adjusting bent axle power arm 31 is hinged, the other end rotating hinge is connected on and regulates position, disalignment drive adjusting bent axle 3 rotations on the bent axle 3.The axle center of regulating bent axle 5 is positioned on kinematic link 6 and the top of regulating the motion of bent axle power arm 31 articulating points and the terminal line.The volume of this structure internal-combustion engine can dwindle relatively, but the adjusting bent axle power arm of setting up on power arm 3 31 can make the structure relative complex, and the ability that moves reciprocatingly by inertia-activated piston 2 can reduce.

Power utilization rate to arc cylinder internal-combustion engine and straight-cylinder internal-combustion engine is analyzed as follows below:

As Fig. 8, Fig. 9, Figure 10, Figure 11, Figure 12, in the expansion stroke shown in Figure 13, the thrust of straight-cylinder internal combustion engine is F1, the power that promotes the bent axle motion is the F that is tangential on acting point crank throw, at the A of Fig. 8 point place, power F is 0, at the B of Fig. 9 point place, power F is the component of F1, and at the C of Figure 10 point place, F equals F1, at the D of Figure 11 point place, power F is the component of F1, and at the E of Figure 12 point place, power F is 0, as seen in whole expansion stroke, the ratio of F/F1 is about that the area of dash area is than the ratio of rectangle ABC0 area in the sinusoidal curve among Figure 13, and this ratio is slightly larger than 50%, that is to say that the power more than 40% has been cancelled, the thrust that the arc cylinder internal-combustion engine piston is produced then all is used for the rotation of propulsion power axle except overcoming friction 100%, waste is seldom added arc cylinder cylinder block and can be done more longerly relatively, and energy utilization ratio also can be further enhanced, as seen, the energy utilization rate of arc cylinder internal-combustion engine can improve more than 40% than the straight-cylinder internal-combustion engine.

Advantage of the present utility model is:

1, traditional straight-cylinder is improved to the arc cylinder, piston 2 is made arc curve and is moved back and forth, directly can change interior in the cylinder into circular motion machinery can, overcome straight-cylinder and changed energy loss in the circular motion process by rectilinear motion into by bent axle, the calculated results shows energy-conservation above 40%, its transmission efficiency is higher, and power loss is littler;

2, the bent axle function with the straight-cylinder internal combustion engine is divided into two, the bent axle of straight-cylinder internal combustion engine has dual-use function, it is power output shaft, it is again the regulating shaft that is synchronized with the movement of regulating piston and porthole, arc cylinder internal-combustion engine is provided with line shaft 4 and regulates

bent axle

5,4 of line shafts are responsible for efficient outputting power, and piston 2 is responsible for adjusting with being synchronized with the movement of valve link 16 by regulating bent axle 5, has inherited the advantage of traditional straight-cylinder internal combustion engine;

3, the cylinder block length of arc cylinder is not subjected to the restriction of crank throw, can do relatively longly, and the expansion rate of combustion gas is utilized more fully, and capacity usage ratio is higher, more is conducive to energy savings and protection of the environment; Under the situation of current energy worsening shortages, have very high economic benefit and social benefit;

4, the arc cylinder is more even than the power output of straight-cylinder, every bit piston in expansion stroke all applies power to line shaft 4, the power output continuity is stronger, overcome straight-cylinder and have only some power maximums in expansion stroke, other power is all less than this point even be zero defective, and the power utilization rate is higher, the vibrations that produced are littler, noise is lower, but single cylinder, twin-tub, four cylinders, eight cylinders or more multi-cylinder operation, power output is more even also more stable, can satisfy various power output needs.

Therefore arc cylinder internal-combustion engine has a lot of remarkable advantages than the straight-cylinder internal-combustion engine, and its feasibility is also very strong, is a kind of efficient, energy-conservation and economic novel power source, has wide application and popularizing prospect.

Claims

1. arc cylinder internal-combustion engine, it comprises that cylinder chamber (11) center line is the cylinder block (1) of camber line shape, in cylinder chamber (11), do camber line shape pistons reciprocating (2), power arm (3) and line shaft (4), it is characterized in that: an end of power arm (3) is fixedlyed connected with the tail end of piston rod (21), the other end is rotatably installed in line shaft (4) by single direction ratchet formula mechanism and goes up drive line shaft (4) one-way rotation, it also comprises regulates bent axle (5) and kinematic link (6), one end of kinematic link (6) is hinged on the position, disalignment on the power arm (3), the other end is hinged on adjusting bent axle (5) and goes up position, disalignment drive adjusting bent axle (5) rotation, and adjusting bent axle (5) links to each other with the camshaft (12) of cylinder block (1) by transmission device and drives camshaft (12) rotation.

2. arc cylinder internal-combustion engine as claimed in claim 1 is characterized in that the cross section of cylinder chamber (11), piston (2) and the piston rod (21) of described cylinder block (1) is a camber line shape for circular, center line.

3. arc cylinder internal-combustion engine as claimed in claim 1, the perisporium that it is characterized in that described piston (2) is provided with in some roads seal grooves (22), the seal groove (22) and is separately installed with seal ring (23).

4. arc cylinder internal-combustion engine as claimed in claim 1, it is characterized in that described single direction ratchet formula mechanism comprises is fixed on the power plate (41) that line shaft (4) is gone up power arm (3) both sides, is respectively equipped with the unidirectional trip of several power arms (42) on the opposing side of two power plates (41).

5. arc cylinder internal-combustion engine as claimed in claim 4, it is characterized in that the unidirectional trip of described each power arm (42) lays respectively in the clip tenon trough (43) on the power plate (4) and is hinged on the power plate (4), is respectively equipped with stage clip (44) between unidirectional trip of each power arm (42) and the power plate (41).

6. arc cylinder internal-combustion engine as claimed in claim 1 is characterized in that an end of described kinematic link (6) is hinged between the axle center and power arm (3) the other end of the last power arm (3) of power arm (3).

7. arc cylinder internal-combustion engine as claimed in claim 1, it is characterized in that being respectively equipped with on the intake valve (13) of described cylinder block (1) and the exhaust valve (14) and be slidingly mounted on the valve stem (16) that reseting pressuring spring (15) were gone up and be with to cylinder block (1), the breech face of valve stem (16) is pressed on the periphery wall of camshaft (12) overhead cam (17), and spark plug or oil nozzle (18) are installed on the cylinder block (1).

8. arc cylinder internal-combustion engine as claimed in claim 1, it is characterized in that described transmission device by coaxial be fixed on the small belt pulley (51) regulated on the bent axle (5), coaxial be fixed on the big belt pulley (19) on the camshaft (12) and be connected in small belt pulley (51) and big belt pulley (19) between driving belt (20) formation.

9. arc cylinder internal-combustion engine as claimed in claim 1 is characterized in that described transmission device is by being fixed on the small gear regulated on the bent axle (5) and the gearwheel that is fixed on the camshaft (12) that is meshed with small gear constitutes.

10. arc cylinder internal-combustion engine as claimed in claim 1, it is characterized in that described power arm (3) is provided with the adjusting bent axle power arm (31) opposite with power arm (3) direction, the free end of an end of kinematic link (6) and adjusting bent axle power arm (31) is hinged, the other end rotating hinge is connected on and regulates upward position, disalignment drive adjusting bent axle (3) rotation of bent axle (3).