CN201705468U - Straight-axis internal combustion engine with bidirectional guide rails - Google Patents

Abstract

A straight-axis internal combustion engine with bidirectional guide rails comprises a cylinder cover, a cylinder sleeve, a cylinder, a piston, a transitional case, a seal ring, a ball bearing, curvilinear guide rails, guide rail positioning pins, a case, an output spindle, a slide block, transmission pins, slide block copper sleeves, a carburetor and a paddle cushion, and adopts the structure that the cylinder cover is in bolt connection with the cylinder; the cylinder sleeve is arranged inside the cylinder 3; the piston reciprocates and the outer surface thereof is spliced with the inner surface of the cylinder sleeve; the lower part of the piston is connected with the slide block through pins; the two sides of each slide block copper sleeve are in contact with a track groove of the transitional case in a matched manner; the two ends of each transmission pin are in contact with the two curvilinear guide rails; the curvilinear guide rails are fixed inside the output spindle through the guide rail positioning pins; the output spindle is connected inside the case through the ball bearing; and the cylinder, the transitional case and the case are fixedly connected via bolts. The utility model has the advantages of compact structure, suitability of miniaturization and no lateral vibration, can be operated reposefully under the condition of high rotational speed, and has utility value and excellent application and development prospect in the technical field of internal combustion engines.

Description

A kind of straight shaft internal combustion engine with two-way guide rails

(1) technical field:

The utility model relates to a kind of internal-combustion engine, relates in particular to a kind of straight shaft internal combustion engine with two-way guide rails, belongs to technical field of internal combustion engines.

(2) background technique

Current, for providing the power plant of power, apparatus mainly is divided into two big classes: thermodynamic device and electrical propulsion unit, the energy of thermodynamic device is propellant agent (claiming fuel again), and the heat energy that utilizes the propellant combustion reaction to discharge does work, so its motor is a heat engine.Heat engine can be divided into internal-combustion engine and external-combustion engine according to place difference that its burning takes place, internal-combustion engine since its higher combustion efficiency and compact structure used widely.What be widely used in the ground apparatus in the internal-combustion engine is internal-combustion piston engine, and it is to promote the reciprocating motion of the pistons acting by fuel combustion, and by driving mechanism the to-and-fro motion of piston being converted to rotatablely move provides power for apparatus.Thereby for reciprocating engine, the selection of its driving mechanism will produce influence greatly to the service behaviour and the efficient of motor, and the driving mechanism that is applied to reciprocating engine at present is a connecting rod.

Connecting rod is a kind of mechanical mechanism of four connecting rods, its principle is very simple, in reciprocating engine, this mechanism realizes by connecting rod and bent axle, but in realizing the conversion of motion process, the transverse vibration of connecting rod is an insoluble problem always, even becomes the bottleneck of restriction reciprocating engine sustainable development.Engineers in the past reduces this transverse vibration by increase suitable counterweight on bent axle, but it should be apparent that, desires to eliminate transverse vibration completely, can only seek novel driving mechanism and replace connecting rod.Comparatively ripe at present scheme is the rotary polygonal piston engine that Japanese Axela Inc. adopts, its utilization triangle piston is done circumference and is added the conversion that reciprocal superimposed motion realizes moving in a class runway shape cylinder, but because its special piston pattern, piston that causes and the wearing and tearing of cylinder aggravation have caused declining to a great extent of engine life.This present situation makes rotary polygonal piston engine be difficult to be used as the power plant of family car.

So,, adopt novel mechanism that this to-and-fro motion is converted into again and rotatablely move, should at first consider from the characteristics of motion of piston in order promptly not change the movement pattern (pumping) of piston in cylinder.The to-and-fro motion rule of piston can be thought the simple harmonic oscillation form in the mechanical vibration, if piston is considered as a particle, project on the imaginary cylndrical surface by the movement process of a light source of circumferentially doing uniform circular motion around piston this particle, promptly formed the sinusoidal curve track of a sealing on this cylndrical surface, the cycle of reciprocating cycle of suitable regulating piston and light source circular movement, making the former is half of the latter, has just formed the sealing sinusoidal curve of two wavelength on the cylndrical surface.Consider so conversely, just produced by these new approaches of to-and-fro motion that confined piston is come in sinusoidal cylndrical surface that have of rotating.So brought more superiority for motor: the one, avoided the transverse vibration of movement parts completely; The 2nd, piston middle spindle is overlapped with the central shaft of output shaft, formed the right angle driving mechanism of crank-connecting rod motor different from the past, change into direct-shaft engine by crank-axle engine, this is changed into piston engine and provides possibility and advantage in the aviation and navigation Application for Field.

Based on this thinking, use suitable mechanical structure and realize the conversion of above-mentioned motion, just formed this straight shaft internal combustion engine with two-way guide rails, this internal-combustion engine non-crank connecting rod mechanism, replace and be two-way guide rails mechanism, eliminated the lateral pressure of piston countercylinder, the acting ability of low rotation speed large torque can be provided stably, compact structure, be fit to microminiaturized, drag area when the characteristics of its d-axis make this motor advance with carrier is less, therefore especially has good application development prospect in aviation and navigation field.

(3) model utility content

1. purpose:

The purpose of this utility model provides a kind of straight shaft internal combustion engine with two-way guide rails, it uses the big deficiency of transverse vibration that two-way guide rails mechanism has overcome traditional crankshaft internal combustion engine, it is a kind of acting ability that low rotation speed large torque can be provided stably, compact structure, the internal combustion engine that drag area is very little.

2. technological scheme

As depicted in figs. 1 and 2, a kind of straight shaft internal combustion engine with two-way guide rails of the utility model, it is made up of cylinder cap 1, cylinder sleeve 2, cylinder 3, piston 4, transition casing 5, seal ring 6, ball bearing 7, curvilinear gudie way 8, guide rail locating stud 9, casing 10, output main shaft 11, slide block 12, driving pin 13, slide block copper sheathing 14, Carburetor 15 and oar pad 16, its position annexation is: cylinder cap 1 links together with cylinder 3 usefulness bolts, and cylinder sleeve 2 usefulness Spielpassung are installed in cylinder 3 inside; Piston 4 outer cylinder surfaces engage with cylinder sleeve 2 inner peripheries and can be along the to-and-fro motion of cylinder generatrix direction; Piston 4 belows are connected with slide block 12 by pin; Slide block copper sheathing 14 is enclosed within the two ends of slide block 12, and the both sides of slide block copper sheathing 14 contact with the rail slot cooperation of transition casing 5; Driving pin 13 is connected slide block inside and free to rotate by bearing, and driving pin 13 outer ends contact with two curvilinear gudie ways 8 respectively; Curvilinear gudie way 8 is fixed on output main shaft 11 inside by guide rail locating stud 9; Output main shaft 11 is connected casing 10 inside by ball bearing 7; Seal ring 6 is placed between casing 10 and the transition casing 5; Cylinder 3, transition casing 5, casing 10 usefulness bolts are connected; Carburetor 15 is connected by the plane of bolt with casing 10 small ends; Oar pad 16 is enclosed within output main shaft 11 small ends.

Described cylinder 3 as shown in Figure 3, be a cylindrical shape thick-walled parts, cylinder outer surface is provided with several heat radiation grooves, and cylinder inner surface is symmetrically arranged with two scavenging grooves and an air inlet duct, the side of cylinder is provided with a rectangle relief opening, and the outer surface of exhaust ports is provided with rectangular boss;

Described piston 4 is made up of piston body and connecting rod two-part as shown in Figure 4, and piston body is a cylindrical cup, and connecting rod is two ends rod members with holes, and connecting rod one end is connected with piston body by pin, and the other end is connected with slide block 12;

Described transition casing 5 is made up of flange plate and cylinder two-part as shown in Figure 5, and wherein there is a boss on the flange plate top, is provided with through hole around the flange plate; The cylinder both sides are provided with the rail slot of two rectangles; The flange plate inwall is provided with an air inlet duct;

Described seal ring 6 is cardboards of a ring, is provided with through hole all around, is to utilize vulcan fibre hammer-shears system to form;

Described ball bearing 7 is deep groove ball bearings of two sides band seal ring;

Described curvilinear gudie way 8 is a cylindrical component as shown in Figure 6, and an end is flat, and the other end is provided with rough curve track, and the equation of this curve track is sine or cosine function;

Described guide rail locating stud 9 is Rotary-tables;

Described casing 10 as shown in Figure 7, it is to be grouped into by the cylindrical part that external diameter does not wait, and is provided with through hole around its middle and upper part greatest circle tube, minimum cylinder one end in bottom is provided with boss and is provided with a plane and a radial hole in its side;

Described output main shaft 11 as shown in Figure 8, it is to be grouped into by the cylindrical part that external diameter does not wait, wherein maximum cylinder sides is processed with four radial holes, bottom the 3rd cylinder sides from bottom to top is provided with the radial air inlet mouth of rectangle;

Described slide block 12 is made up of a cuboid and a U-shaped auricle as shown in Figure 9, is provided with two manholes in the cuboid, and the U-shaped auricle is arranged on center, cuboid top;

Described driving pin 13 is a cylindrical body pin as shown in figure 10;

Described slide block copper sheathing 14 is a rectangular box part as shown in figure 11, can be enclosed within the cuboid two ends of slide block 12;

Wherein, the quantity of this curvilinear gudie way 8 is 2;

Wherein, the quantity of this guide rail locating stud 9 is 4; The big footpath of its round platform is 5.2mm, and path is 5mm, highly is 11mm;

Wherein, the quantity of this driving pin 13 is 4;

Wherein, the quantity of this slide block copper sheathing 14 is 2;

Wherein, the model of this ball bearing 7 is 61812-2RS;

Wherein, this casing 10 is to be grouped into by the cylindrical part that four external diameters do not wait;

Wherein, this output main shaft 11 is to be grouped into by the cylindrical part that seven external diameters do not wait;

Wherein, this cylinder cap 1, cylinder sleeve 2, Carburetor 15 and oar pad 16 are cylinder cap, cylinder sleeve, Carburetor and oar pads of three leaf boards, 52 stage motors.

Cylinder and piston have formed a closed chamber jointly, when promoting piston after burning under the heating of showing tremendous enthusiasm head, the fuel in the chamber moves downward, piston moves downward slide block by connecting rod under the constraint of transition casing rail slot, slide block drives driving pin and moves downward, driving pin rolls on the lower curve guide rail, force curvilinear gudie way to rotate, so just finished the expansion stroke of internal-combustion engine together with the output main shaft.In expansion stroke, the piston below has been full of the fresh combustion gases that is entered by Carburetor, when piston during down to certain position, below cavity sealing stopping air inlet, combustion gas just is subjected to the compression of piston like this, when piston during down to certain position, and the air inlet open on the cylinder inner wall, the fresh combustion gases that has been compressed is discharged in the cylinder, and gets rid of the waste gas of last burning.When driving pin moves to the lower dead center of curvilinear gudie way, piston can not continue to move downward again, at this moment because last expansion stroke makes main shaft and curvilinear gudie way have certain speed and inertia, so continuing to promote driving pin by inertia, curvilinear gudie way moves upward, promote piston thus and move upward, combustion gas in the compression cylinder forms compression stroke, improve the pressure of combustion gas, for next expansion stroke is prepared.The cavity of piston below is opened in the time of compression, and fresh combustion gases is because suction function enters into cavity, for burning is next time prepared.Compression stroke finishes when curvilinear gudie way makes piston motion arrive top dead center, and combustion gas has enough pressure so that can burn under the heat of showing tremendous enthusiasm head, has begun acting next time, enter next expansion stroke, compression stroke is arranged afterwards, circulation so repeatedly, continuous running again.Therefore two top dead centers and two lower dead center are arranged on circumference of curvilinear gudie way, rotate one when enclosing when main shaft, reciprocating motion of the pistons twice makes that like this output torque is the twice of common crank-connecting rod motor, and rotating speed be the crank-connecting rod motor half.

Wherein the cylinder material is a cast aluminium, uses casting processing, and piston material is a superduralumin, transition casing material can be used lighter duralumin, with turning processing, also available casting processing, the curvilinear gudie way material is a steel, and the casing material can be used lighter duralumin, processes with turning, also available casting processing, spindle material is with superduralumin or steel, the driving pin material 40Cr with quenching with Subsequent tempering, or titanium alloy, and the lighter but processing of latter's weight is difficulty, sliding block material can be used conventional aluminium, also available nylon.

The fuel that motor uses cooperates with 5: 1 ratio as methyl alcohol and castor oil and forms, wherein methyl alcohol burning, and castor oil is lubricated as parts.Fuel oil in the fuel tank mixes with suitable ratio with air by Carburetor, and when the suction port on the air inlet duct subtend casing on the main shaft, mixed gas enters into the piston lower chamber, offers motor.Rotating speed and stability that size by regulating the Carburetor import and oil gas mixing ratio are regulated motor.

Cylinder head is equipped with showing tremendous enthusiasm head, switch on lithium cell when starting, the platinum filament energising of showing tremendous enthusiasm head reddens, and produces higher heat, at this moment with external force main shaft is rotated, fuel gas mixture in the compression cylinder is lighted with hot platinum filament, lights rear engine and runs well, after the smooth operation, showing tremendous enthusiasm head removes energising and since the heat of combustion gas self make that platinum filament continues keeping the red heat state, and the each igniting after making it does not need additional power source.This starting ignition mode is very simple effectively.

3. advantage and effect

(1) running steadily has the acting ability of low rotation speed large torque.Because moving element of the present utility model does not have transverse vibration, vibrates the single axial direction that betides piston, so comparatively steady in the operation process; Simultaneously, because the curve of two wavelength is arranged in a week on the cylindrical guide, so reciprocal two the cycle output shafts of piston produce rotatablely moving of one-periods, after consuming certain fuel combustion energy, its acting form is a low rotation speed large torque, the speed reducer that has substituted apparatus of this characteristics part.

(2) component are few, and are simple and compact for structure.The rational design of adopting has only just realized the conversion of motion of piston and output shaft with slide block and driving pin, part processing is simple, and is not high to technological requirement.Because its d-axis characteristics make this engine structure compactness, space availability ratio is higher, has certain advantage for the application in fields such as aviations in addition.

(3) utilize inner body that flywheel inertia is provided, need not to add flywheel.Because the radius of this motor guide rail and main shaft is bigger, has caused big rotary inertia like this, this provides enough inertia for motor when the compression stroke just, and need not to increase in addition flywheel.This advantage makes it more be applicable to the acting of the comparatively light and handy propulsion device of direct driving, for example propeller cavitation etc.

(4) drag area is less.The cylinder of this motor and output shaft point-blank, integral body is cylinder body shape, so its drag area when advancing with carrier is less, has good application development prospect in aviation and navigation field.

(5) has good economical, lower oil consumption rate.Because the characteristics of motion of piston depends on the curvilinear equation of curvilinear gudie way, therefore can optimize the acting performance of piston by further optimal curve equation, make the efficient of work by combustion higher, the loss of energy is littler, reduces oil consumption rate, obtains better economic.

(4) description of drawings

Fig. 1: be the sectional view of the utility model straight shaft internal combustion engine with two-way guide rails

Fig. 2: be the outward appearance 3 dimensional drawing of the utility model straight shaft internal combustion engine with two-way guide rails

Fig. 3: cylinder 3 dimensional drawing

Fig. 4: piston 3 dimensional drawing

Fig. 5: excessive casing 3 dimensional drawing

Fig. 6: single curvilinear gudie way 3 dimensional drawing

Fig. 7: casing 3 dimensional drawing

Fig. 8: main shaft 3 dimensional drawing

Fig. 9: slide block schematic representation (a sectional view; The b plan view; The c plan view; )

Figure 10: driving pin 3 dimensional drawing

Figure 11: slide block copper sheathing schematic representation (a plan view; The b right elevation; )

Symbol description is as follows among the figure:

1, cylinder cap; 2, cylinder sleeve; 3, cylinder; 4, piston; 5, transition casing; 6, seal ring; 7, ball bearing; 8, curvilinear gudie way; 9, guide rail locating stud; 10, casing; 11, output main shaft; 12, slide block; 13, driving pin; 14, slide block copper sheathing; 15, Carburetor; 16, oar pad;

(5) embodiment

As depicted in figs. 1 and 2, a kind of straight shaft internal combustion engine with two-way guide rails of the utility model, it is made up of cylinder cap 1, cylinder sleeve 2, cylinder 3, piston 4, transition casing 5, seal ring 6, ball bearing 7, curvilinear gudie way 8, guide rail locating stud 9, casing 10, output main shaft 11, slide block 12, driving pin 13, slide block copper sheathing 14, Carburetor 15, oar pad 16, its position annexation is: cylinder cap 1 links together with cylinder 3 usefulness bolts, and cylinder sleeve 2 usefulness Spielpassung are installed in cylinder 3 inside; Piston 4 outer cylinder surfaces engage with cylinder sleeve 2 inner peripheries and can be along the to-and-fro motion of cylinder generatrix direction; Piston 4 belows are connected with slide block 12 by pin; Slide block copper sheathing 14 is enclosed within the two ends of slide block 12, and the both sides of slide block copper sheathing 14 contact with the rail slot cooperation of transition casing; Driving pin 13 is connected slide block 12 inside and free to rotate by bearing, and driving pin 13 outer ends contact with two curvilinear gudie ways 8 respectively; Curvilinear gudie way 8 is fixed on output main shaft 11 inside by guide rail locating stud 9; Output main shaft 11 is connected casing 10 inside by ball bearing 7; Seal ring 6 is placed between casing 10 and the transition casing 5; Cylinder 3, transition casing 5, casing 10 usefulness bolts are connected; Carburetor 15 is connected by the plane of bolt with casing 10 small ends; Oar pad 16 is enclosed within output main shaft 11 small ends.

Described cylinder cap 1 is to utilize existing model airplane engine cylinder cap on the market, is the cylinder cap of three leaf boards, 52 stage motors;

Described cylinder sleeve 2 is to utilize existing model airplane engine cylinder sleeve on the market, is the cylinder sleeve of three leaf boards, 52 stage motors;

Described cylinder 3 as shown in Figure 3, be a cylindrical shape thick-walled parts, cylinder outer surface is processed with 36 heat radiation grooves, and cylinder inner surface is symmetrily processed with two scavenging grooves and an air inlet duct, the side of cylinder is processed with a rectangle relief opening, and the outer surface of exhaust ports is processed with rectangular boss; The material of cylinder 3 is a duralumin;

Described piston 4 is made up of piston body and connecting rod two-part as shown in Figure 4, and piston body is a cylindrical cup, and connecting rod is two ends rod members with holes, and connecting rod one end is connected with piston body by pin, and the other end is connected with slide block 12; The material of piston 4 is a superduralumin;

Described transition casing 5 is made up of flange plate and cylinder two-part as shown in Figure 5, and wherein there is a boss on the flange plate top, and 8 through holes are arranged around the flange plate; The cylinder both sides are provided with the rail slot of two rectangles; The flange plate inwall is processed with an air inlet duct; The material of this transition casing 5 uses duralumin;

Described seal ring 6 is cardboards of a ring, and 8 through holes are arranged all around, is to utilize vulcan fibre hammer-shears system to form;

Described ball bearing 7 is deep groove ball bearings of two sides band seal ring, and its model is 61812-2RS;

Described curvilinear gudie way 8 is a cylindrical component as shown in Figure 6, and an end is flat, and the other end is processed with rough curve track, and the equation of this curve track is sine or cosine function.The material of this curvilinear gudie way 8 is the 45# steel;

Described guide rail locating stud 9 is Rotary-tables, and its big footpath is 5.2mm, and path is 5mm, highly is 11mm, and material adopts the 45# steel;

Described casing 10 as shown in Figure 7, it is to be grouped into by the cylindrical part that four external diameters do not wait, and is processed with 8 through holes around its middle and upper part greatest circle tube, minimum cylinder one end in bottom is provided with boss and is processed with a plane and a radial hole in its side.Casing 10 is used aluminum material;

Described output main shaft 11 as shown in Figure 8, it is to be grouped into by the cylindrical part that seven external diameters do not wait, wherein maximum cylinder sides is processed with four radial holes, bottom the 3rd cylinder sides from bottom to top is processed with the radial air inlet mouth of rectangle.The material of this output main shaft 11 is the 45# steel;

Described slide block 12 is made up of a cuboid and a U-shaped auricle as shown in Figure 9, is processed with two manholes in the cuboid, and the U-shaped auricle is arranged on center, cuboid top.This slide block 12 is an aluminum material;

Described driving pin 13 is a cylindrical body pin as shown in figure 10.Its material is 40Cr, improves surface hardness through Overheating Treatment;

Described slide block copper sheathing 14 is a rectangular boxes as shown in figure 11, can be enclosed within the cuboid two ends of slide block 12, and material is a brass;

Described Carburetor 15 is to utilize existing model airplane engine Carburetor on the market, is the Carburetor of three leaf boards, 52 stage motors;

Described oar pad 16 is to utilize existing model airplane engine oar pad on the market, is the oar pad of three leaf boards, 52 stage motors.

Wherein, the quantity of this curvilinear gudie way 8 is 2;

Wherein, the quantity of this guide rail locating stud 9 is 4;

Wherein, the quantity of this driving pin 13 is 4;

Wherein, the quantity of this slide block copper sheathing 14 is 2.

Cylinder 3 has formed a closed chamber jointly with piston 4, when promoting piston 4 after burning under the heating of showing tremendous enthusiasm head, the fuel in the chamber moves downward, piston 4 moves downward slide block 12 by connecting rod under the constraint of transition casing 5 rail slots, slide block 12 drives driving pin 13 and moves downward, driving pin 13 rolls on lower curve guide rail 8, force curvilinear gudie way 8 to rotate, so just finished the expansion stroke of internal-combustion engine together with output main shaft 11.In expansion stroke, piston 4 belows have been full of the fresh combustion gases that is entered by Carburetor 15, when piston 4 during down to certain position, below cavity sealing stopping air inlet, combustion gas just is subjected to the compression of piston 4 like this, when piston 4 during down to certain position, and the air inlet open on cylinder 3 inwalls, the fresh combustion gases that has been compressed is discharged in the cylinder 3, and gets rid of the waste gas of last burning.When driving pin 13 moves to the lower dead center of curvilinear gudie way 8, piston 4 can not continue to move downward again, at this moment because last expansion stroke makes output main shaft 11 and curvilinear gudie way 8 have certain speed and inertia, so continuing to promote driving pin 13 by inertia, curvilinear gudie way 8 moves upward, promote piston 4 thus and move upward, combustion gas in the compression cylinder 3 forms compression stroke, improve the pressure of combustion gas, for next expansion stroke is prepared.The cavity of piston 4 belows is opened in the time of compression, and fresh combustion gases is because suction function enters into cavity, for burning is next time prepared.Compression stroke finishes when curvilinear gudie way 8 makes piston 4 move to top dead center, and combustion gas has enough pressure so that can burn under the heat of showing tremendous enthusiasm head, has begun acting next time, enter next expansion stroke, compression stroke is arranged afterwards, circulation so repeatedly, continuous running again.Two top dead centers and two lower dead center are arranged on 8 one circumference of curvilinear gudie way, therefore when output main shaft 11 rotates a circle, piston 4 to-and-fro motion twice make that like this output torque is the twice of common crank-connecting rod motor, and rotating speed be the crank-connecting rod motor half.

The fuel that motor uses cooperates with 5: 1 ratio as methyl alcohol and castor oil and forms, wherein methyl alcohol burning, and castor oil is lubricated as parts.Fuel oil in the fuel tank mixes with suitable ratio with air by Carburetor 15, and when the suction port on the air inlet duct subtend casing 10 on the output main shaft 11, mixed gas enters into piston 4 lower chambers, offers motor.Rotating speed and stability that size by regulating Carburetor 15 imports and oil gas mixing ratio are regulated motor.

Showing tremendous enthusiasm head is equipped with on cylinder 3 tops, switch on lithium cell when starting, the platinum filament energising of showing tremendous enthusiasm head reddens, and produces higher heat, at this moment with external force output main shaft 11 is rotated, fuel gas mixture in the compression cylinder 3 is lighted with hot platinum filament, lights rear engine and runs well, after the smooth operation, showing tremendous enthusiasm head removes energising and since the heat of combustion gas self make that platinum filament continues keeping the red heat state, and the each igniting after making it does not need additional power source.This starting ignition mode is very simple effectively.

Facts have proved that this straight shaft internal combustion engine with two-way guide rails has wide application and development prospect.

Claims (10)

1. straight shaft internal combustion engine with two-way guide rails, it is characterized in that: it is made up of cylinder cap (1), cylinder sleeve (2), cylinder (3), piston (4), transition casing (5), seal ring (6), ball bearing (7), curvilinear gudie way (8), guide rail locating stud (9), casing (10), output main shaft (11), slide block (12), driving pin (13), slide block copper sheathing (14), Carburetor (15) and oar pad (16), its position annexation is: cylinder cap (1) links together with bolt with cylinder (3), and cylinder sleeve (2) is installed in cylinder (3) inside with Spielpassung; Piston (4) outer cylinder surface engages with cylinder sleeve (2) inner periphery and can be along the to-and-fro motion of cylinder generatrix direction; Piston (4) below is connected with slide block (12) by pin; Slide block copper sheathing (14) is enclosed within the two ends of slide block (12), and the both sides of slide block copper sheathing (14) contact with the rail slot cooperation of transition casing (5); Driving pin (13) is connected slide block (12) inside and free to rotate by bearing, and driving pin (13) two ends contact with two curvilinear gudie ways (8) respectively; Curvilinear gudie way (8) is fixed on output main shaft (11) inside by guide rail locating stud (9); Output main shaft (11) is connected casing (10) inside by ball bearing (7); Seal ring (6) is placed between casing (10) and the transition casing (5); Cylinder (3), transition casing (5), casing (10) are connected with bolt; Carburetor (15) is connected by the plane of bolt with casing (10) small end; Oar pad (16) is enclosed within output main shaft (11) small end;

Described cylinder (3) is a cylindrical shape thick-walled parts, and cylinder outer surface is provided with the heat radiation groove, and cylinder inner surface is symmetrically arranged with two scavenging grooves and an air inlet duct, and the side of cylinder is provided with a rectangle relief opening, and the outer surface of exhaust ports is provided with rectangular boss;

Described piston (4) is made up of piston body and connecting rod two-part, and piston body is a cylindrical cup, and connecting rod is two ends rod members with holes, and connecting rod one end is connected with piston body by pin, and the other end is connected with slide block (12);

Described transition casing (5) is made up of flange plate and cylinder two-part, and wherein there is a boss on the flange plate top, is provided with through hole around the flange plate; The cylinder both sides are provided with the rail slot of two rectangles; The flange plate inwall is provided with an air inlet duct;

Described seal ring (6) is the cardboard of a ring, is provided with through hole all around, is to form with vulcan fibre hammer-shears system;

Described ball bearing (7) is the deep groove ball bearing of two sides band seal ring;

Described curvilinear gudie way (8) is a cylindrical component, and an end is flat, and the other end is processed with rough curve track, and the equation of this curve track is sinusoidal, cosine function;

Described guide rail locating stud (9) is a Rotary-table;

Described casing (10) is to be grouped into by the cylindrical part that external diameter does not wait, and is provided with through hole around its middle and upper part greatest circle tube, and minimum cylinder one end in bottom is provided with boss and is processed with a plane and a radial hole in its side;

Described output main shaft (11) is to be grouped into by the cylindrical part that external diameter does not wait, and wherein maximum cylinder sides is provided with four radial holes, and bottom the 3rd cylinder sides from bottom to top is provided with the radial air inlet mouth of rectangle;

Described slide block (12) is made up of a cuboid and a U-shaped auricle, is provided with two manholes in the cuboid, and the U-shaped auricle is arranged on center, cuboid top;

Described driving pin (13) is a cylindrical body pin;

Described slide block copper sheathing (14) is a rectangular box part, is enclosed within the cuboid two ends of slide block (12).

2. a kind of straight shaft internal combustion engine with two-way guide rails according to claim 1 is characterized in that: the quantity of this curvilinear gudie way (8) is 2.

3. a kind of straight shaft internal combustion engine with two-way guide rails according to claim 1 is characterized in that: the quantity of this guide rail locating stud (9) is 4.

4. a kind of straight shaft internal combustion engine with two-way guide rails according to claim 1 is characterized in that: the quantity of this driving pin (13) is 4.

5. a kind of straight shaft internal combustion engine with two-way guide rails according to claim 1 is characterized in that: the quantity of this slide block copper sheathing (14) is 2.

6. a kind of straight shaft internal combustion engine with two-way guide rails according to claim 1 is characterized in that: this cylinder cap (1), cylinder sleeve (2), Carburetor (15) and oar pad (16) are cylinder cap, cylinder sleeve, Carburetor and the oar pads of three leaf boards, 52 stage motors.

7. a kind of straight shaft internal combustion engine with two-way guide rails according to claim 1 is characterized in that: the model of this ball bearing (7) is 61812-2RS.

8. a kind of straight shaft internal combustion engine with two-way guide rails according to claim 1 is characterized in that: this guide rail locating stud (9), big footpath be 5.2mm, path is 5mm, highly is 11mm.

9. a kind of straight shaft internal combustion engine with two-way guide rails according to claim 1 is characterized in that: this casing (10) is to be grouped into by the cylindrical part that four external diameters do not wait.

10. a kind of straight shaft internal combustion engine with two-way guide rails according to claim 1 is characterized in that: this output main shaft (11) is to be grouped into by the cylindrical part that seven external diameters do not wait.

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