CN202483659U - Cylinder cover exhaust structure of aerodynamic V-shaped multi-cylinder engine - Google Patents

Abstract

The utility model relates to a device for an engine, in particular to a cylinder cover exhaust structure of an aerodynamic V-shaped multi-cylinder engine. The aerodynamic engine comprises an engine body, a high-pressure air tank group, a constant-pressure tank, an air inlet control speed regulation valve, a controller and a cylinder cover exhaust structure. The cylinder cover exhaust structure comprises an air valve cover (3005), an exhaust door (3012), an air valve spring (3120), an air valve shoulder pole (3014), a rocker arm (3015), an air throat (3010), a tappet (3019), a cam (1210) of an exhaust cam shaft and a cylinder cover (002), wherein the cylinder cover is provided with a connection hole and is connected with a cylinder body through a connection bolt so as to exhaust the air in a cylinder.

Description

The cylinder cap exhaust structure of aerodynamic force V-type multicylinder engine

Technical field

The utility model relates to the cylinder cap exhaust gear that a kind of motor is used, in particular to a kind of cylinder cap exhaust structure of aerodynamic force V-type multicylinder engine.

Background technique

Motor is widely used in all trades and professions, and transport facility generally adopts with the piston internal-combustion engine of fuel oil as power source such as in automobile, the steamer etc. in modern times.This employing fuel oil is insufficient because of oil inflame on the one hand as the motor of power source; Contain a large amount of harmful matters and befouling environment in the feasible gas of discharging; Because of the fuel oil that uses is from oil, to refine to obtain, the in short supply day by day of petroleum resources makes the development of fuel engine and utilization receive increasing restriction on the other hand.Therefore develop new, clean, free of contamination alternative energy source; Perhaps reduce fuel consume as much as possible, reduce discharging and become urgent problem in the motor development, just in time satisfied this requirement as the air-powered motor of power source with pressurized air.

Study the Designer Guy Negre for French MDI company of compressed-air power engine the earliest, he released the pure aerodynamic economical family expenses bridge car of first item in 2002.About the visible FR2731472A1 of the research of compressed air engine, US6311486B1, US20070101712A1 etc.

FR2731472A1 discloses a kind of motor that can under supply of fuel and two kinds of patterns of pressurized air supply, work; On expressway, adopt conventional fuel such as gasoline or diesel oil; In low speed particularly urban district and suburbs, pressurized air (or other any on-contaminated pressurized gass) is injected the firing chamber.Though this motor has partly reduced fuel consumption, owing to still adopted fuel oil mode of operation, emission problem still to fail to solve.

For further pollution abatement; US6311486B1 discloses a kind of pure air-powered motor; Such motor has adopted three independently chambers: air-breathing-pressing chamber, expansion exhaust chamber and constant volume firing chamber; And air-breathing-pressing chamber is connected to the constant volume firing chamber through valve, and the constant volume firing chamber is connected to the expansion exhaust chamber through valve.One of problem of this motor is that time of experiencing from air-breathing-pressing chamber to the expansion exhaust chamber of pressurized gas is longer; The power source gas time that obtains the driven plunger acting is longer; Simultaneously; Fail to obtain to use from the pressurized gas that the expansion exhaust chamber is discharged, this has just limited this type efficiency of engine and single aeration continuous working period.

Domestic research to compressed air engine is started late; Present research belongs to theoretic discussion and conceptual phase more; All fail to solve compressed-air actuated discharging and (have higher pressure usually; Such as about 30bar) and the control and the allocation problem of high pressure air, the contract commercialization process of air engine of tripping is had got long long way to go.

The application's claimant discloses a kind of air power engine assembly that can be used for transport facility in its patent documentation CN101413403 A (its international application of the same clan is WO2010051668 A1), this motor comprises gas holder, air distributor, engine body, clutch, clutch, automatic transmission, differential mechanism and places the turbo dynamo in the exhaust chamber.This motor utilizes compressed air to do work and does not use any fuel, does not therefore have toxic emission, realized " zero-emission ", and recycling waste gas generates electricity, and has saved the energy, has reduced cost.But this motor is based on traditional four stroke engine, every rotation 720 degree of bent axle, and piston does work once.And can promote the piston acting can be in getting into cylinder the time as the high-pressure air of power source, and discharging then, promptly the stroke of compressed air engine is actual is air inlet-expansion stroke and discharge stroke.Obviously, the disclosed this four-stroke compressed air engine of patent documentation CN101413403 A has been wasted effective expansion stroke greatly, has limited the efficient of motor.And the tail gas of this motor is failed recycle well, needs enough big gas holder to lay in high-pressure air and could work the sufficiently long time.

Based on the existing problem of patent application CN101413403 A; The application's claimant is to disclose a kind of compressed air engine assembly with tail gas recycle loop in the application of China of 201110331809.9 at its application number, and this motor comprises cylinder, cylinder cap system, air inlet pipeline, gas exhaust piping, piston, connecting rod, bent axle, exhaust cam shaft, admission cam shaft, front gear box system and rear gear box.This motor utilizes compressed air to do work and does not use any fuel, does not therefore have toxic emission, realized " zero-emission ", and recycle waste gas does work, and has saved the energy, has reduced cost.But this motor is an In-line multi-cylinder engine, in each the controller valve port in the controller controller valve only is installed, and under the certain situation of motor overall length, has limited cylinder cylinder number, thereby has limited the gross output of motor.Obviously, No. 201110331809.9 the disclosed this in-line multi-cylinder air-powered motor gross output of application is not high, and the configuration of motor still is worth exploring.

Based on the problems referred to above; The utility model provides a kind of cylinder cap exhaust structure of aerodynamic force V-type multicylinder engine; Being intended to provides suitable air inlet and exhaust gear for the multi-cylinder air-powered motor; With realize the multi-cylinder air-powered motor the power output power, thereby realize new type of compression air engine economic, efficient, zero-emission.

The model utility content

Some embodiment who is equivalent in the utility model primitive request scope does following summary.These embodiments and unrestricted model utility scope of asking for protection, but the multiple brief overview that maybe form of attempting to provide the utility model.In fact, the utility model can comprise be similar to or be different from below the embodiment that proposes multi-form.

According to an aspect of the utility model, a kind of cylinder cap exhaust structure of aerodynamic force V-type multicylinder engine is provided.This said air-powered motor comprises: engine body, and it comprises cylinder, cylinder cap system, air inlet pipeline, gas exhaust piping, piston, connecting rod, bent axle, exhaust cam shaft, admission cam shaft; The high pressure gas holder group, it is communicated with external aerator through pipeline; The constant voltage jar, it is communicated with the high pressure gas holder group through pipeline; Air inlet control series flow control valve, it is communicated with the constant voltage jar through pipeline; Pressurized air in the controller arrives in the cylinder through the gas larynx in the cylinder cap exhaust gear through connecting tube.This cylinder cap exhaust gear comprises: the cam and the cylinder cap of valve cover, exhaust valve, valve spring, valve shoulder pole iron, rocking arm, gas larynx, tappet, exhaust cam shaft.Wherein, Valve cover removably is tightly connected through connecting bolt and cylinder cap, and wherein, is provided with rocking arm in the cylinder cap; One end of said rocking arm connects tappet; The said rocking arm the other end connects valve shoulder pole iron, and valve shoulder pole iron below is connected with valve, through opening of exhaust valve the gas in the cylinder is discharged.

In the embodiment of the utility model; Four exhaust valves are installed in the said cylinder cap; And per two exhaust valves are one group; Exhaust valve, valve spring, oil sealing, valve cover for seat are installed in the cylinder cap, and exhaust valve receives the precompose of valve spring firmly when motor need not exhaust, to be resisted against valve seat to put.

Preferably, two row about cylinder cap is divided into, the #1 cylinder cap, the #3 cylinder cap, the #5 cylinder cap, the #7 cylinder cap, #9 cylinder cap, #11 cylinder cap are left column; #2 cylinder cap, #4 cylinder cap, #6 cylinder cap, #8 cylinder cap, #10 cylinder cap, #12 cylinder cap are right row.

Preferably, said each cylinder cap has 4 exhaust valves and 1 gas larynx; Said four exhaust valves are installed in each cylinder cap.

Further, be provided with the tappet that the control exhaust valve opens and closes in the said cylinder cap, said tappet is braked by exhaust cam shaft.Exhaust cam shaft is driven by the crankshaft gear of bent axle through rear gear box and carrier gear, with when the engine operation, drives the tappet motion, and then the switching of realization exhaust valve.

Preferably, be provided with the tappet that the control exhaust valve opens and closes in the said rocking arm, this tappet is connected with rocking arm with tappet rotary head nut through the tappet rotary head.

Preferably, said tappet is braked by exhaust cam shaft, to receive the motion from exhaust cam shaft.

Preferably, said valve spring is installed in the spring seat, and spring seat is installed in the valve shoulder pole iron.

Preferably, in the pitman arm shaft seat of honour of said rocking arm pitman arm shaft is installed; Following of the pitman arm shaft of rocking arm is placed on through seat pillar under the pitman arm shaft on the last plane of cylinder cap.

Preferably, the hole at the said pitman arm shaft seat of honour and pitman arm shaft are Spielpassung, two shared pitman arm shafts of rocking arm, and on center line, be symmetrically distributed.

Aspect another of the utility model; Cylinder cap in the cylinder cap exhaust structure is provided with two groups of holes that diameter is different; Be followed successively by valve spring hole, oil sealing hole, exhaust port, valve seat trepanning from top to bottom; And wherein, the diameter of valve seat trepanning is greater than the diameter of oil sealing hole, and the diameter in valve spring hole is slightly less than the diameter of valve seat trepanning.

Preferably, said gas larynx is connected with the cylinder intake hole, and the pressurized air of self-controller gets into cylinder through the gas larynx in the future.

In addition, the cylinder cap exhaust structure of the utility model also comprises oil sealing, and said oil sealing is installed in the oil sealing hole, and supports on the valve spring, its interior valve stem through exhaust valve.

In addition, the valve spring of the cylinder cap exhaust structure of the utility model is installed in the valve spring hole, and is fastened on the cotter seat through the valve collet sheet.

Through the cylinder cap exhaust structure of the utility model, can be effectively in the future the compressed air delivery in the self-controller in cylinder, and the piston gas of releasing that moves upward discharged, thereby realize motor continuously, operation reliably.

Description of drawings

To describe now according to the preferred of the utility model but non-restrictive example, these of the utility model will become when describing in detail as follows with reference to advantages obviously with other characteristics, aspect and advantage, wherein:

Fig. 1 is the general illustration according to the V-type multi-cylinder air-powered motor of the utility model;

Fig. 2 is the three-dimensional stravismus perspective view that removes the V-type multi-cylinder air-powered motor body after controller, cylinder and the cylinder head according to the utility model among Fig. 1;

Fig. 3 be among Fig. 1 engine body laterally cut open the side view of getting, it comprises the cross section of cylinder, cylinder head and controller;

Fig. 4 is the exhaust cam shaft structure schematic representation of the engine main body among Fig. 1;

Fig. 5 is the bent axle modular construction schematic representation of the bent axle-connecting rod-piston system assembly among Fig. 1;

Fig. 6 is the horizontal frontal plane perspective view of the controller that is used for aerodynamic force V-type multicylinder engine of the utility model;

Fig. 7 is the longitudinal cross-section view of the controller among Fig. 6;

Fig. 8 is the lateral cross side view of the controller among Fig. 6;

Fig. 9 is the admission cam shaft structure schematic representation of the engine main body among Fig. 2;

Figure 10 is the front perspective view of cylinder cap exhaust structure of the aerodynamic force V-type multicylinder engine of the utility model;

Figure 11 is the longitudinal cross-section view according to a preferred embodiment of the cylinder cap exhaust structure of the aerodynamic force V-type multicylinder engine of the utility model;

Figure 12 is the lateral cross side view according to a preferred embodiment of the cylinder cap exhaust structure of the aerodynamic force V-type multicylinder engine of the utility model;

Figure 13 is the schematic representation that puts in order of each cylinder of V-type multicylinder engine;

Figure 14 is the schematic representation of job order of each cylinder of the V-type multicylinder engine of preferred embodiment among Figure 11.

Embodiment

Below illustrative in nature on only be exemplary and be not in order to limit the disclosure, application or purposes.Should be understood that in whole accompanying drawings, corresponding reference character is represented identical or corresponding components and characteristic.

With reference now to Fig. 1,, Fig. 1 is the general illustration according to the V-type multi-cylinder air-powered motor of the utility model.In Fig. 1, V-type multi-cylinder air-powered motor comprises engine body 1, multicolumn body power distribution device 2, power equipment 4, controller system 6, air compressor 7, condenser 11, tail gas recycle jar 9, high pressure gas holder group 13, constant voltage jar 16, pressurized air heating equipment 101, air inlet control series flow control valve 23, electronic control unit ECU 29, pressure-limit valve 702, sequence valve 703.As shown in Figure 1, high pressure gas holder group 13 is connected with external gas station or external aerator through compressed air inlet pipeline 14, to obtain required high pressure air from the external world.Compressed air inlet pipeline 14 is provided with flowmeter A, pressure meter P and manual switch (not shown).Flowmeter A is used to measure and monitor the compressed-air actuated flow that gets into high pressure gas holder group 13, and pressure meter P is used to measure and monitor the compressed-air actuated pressure that gets into high pressure gas holder group 13.When needs carry out aerating through external aerator or gas station to high pressure gas holder group 13; Open manual switch; High pressure air gets into high pressure gas holder group 13, when the flowmeter A on the compressed air inlet pipeline 14 and pressure meter P reach regulation numerical value, closes manual switch; Accomplish the gas replenishment process of high pressure gas holder group 13, so just can obtain under the rated pressure pressurized air such as 30MPa.In order to guarantee the Safety performance of gas holder, one, two or more safety valve (not shown) can be set on high pressure gas holder group 13.

High pressure gas holder group 13 can be to have one, two, three, four of enough capacity or more a plurality of high pressure gas holder to combine with the form of serial or parallel connection, according to the actual demand of application, confirms the composition gas tank number of high pressure gas holder group 13.High pressure gas holder group 13 is connected to constant voltage jar 16 through pipeline 15, is provided with flowmeter A and pressure meter P and the reduction valve 701 of monitoring and control compressed air require and pressure respectively on the pipeline 15 equally.The high pressure air that reduction valve 701 is used for high pressure gas holder group 13 is provided reduces pressure, and is sent to constant voltage jar 16 with suitable pressure.Constant voltage jar 16 is used for stablizing the pressure from the high-pressure air of high pressure gas holder group 13, and its pressure is a little less than the pressure in the high pressure gas holder group 13, such as between 21-25MPa, preferably about 21MPa.

On the pipeline 17 between constant voltage jar 16 and the air inlet control series flow control valve 23, be provided with pressurized air heating equipment 101; This heating equipment is the device that utilizes electric current that air is heated; It can adopt Ac also can adopt direct current, and direct current button 101-2 that adopts which kind of electric current to depend on to be set on the pressurized air heating equipment 101 and Ac button 101-4's is selected.Also be provided with direct current temperature adjustment button 101-1 on the pressurized air heating equipment 101 and exchange two function buttons such as temperature adjustment button 101-3, and four gauge tables such as DC ammeter 101-5, DC voltmeter 101-6, alternating current ammeter 1-7 and A.C. voltmeter 101-8.Direct current temperature adjustment button 101-1 with exchange temperature adjustment button 101-3 and be used for regulating the preferred temperature that pressurized air heating equipment 101 adopts direct currents or Ac that pressurized air is heated respectively.In order to make the pressurized air that gets in the cylinder acting of expanding as much as possible, hope is high as much as possible in the contract heating-up temperature of air of the heatproof temperatures of cylinder and pipeline.According to the preferred embodiment of the utility model, through the pressurized air after 101 heating of pressurized air heating equipment, its temperature can reach 800 ℃.According to direct current temperature adjustment button 101-1 and the setting that exchanges temperature adjustment button 101-3; Its temperature of pressurized air after the heating can change under the temperature of ambient temperature to 800 ℃; So just can satisfy compressed-air actuated temperature requirement fully, to improve compressed-air actuated acting ability as much as possible.DC ammeter 101-5, DC voltmeter 101-6, alternating current ammeter 101-7 and A.C. voltmeter 101-8 are used for detecting the direct current of pressurized air heating equipment 101 or current value that exchanges and magnitude of voltage respectively.Also be provided with the flowmeter A and the pressure meter P that monitor and control compressed air require and pressure respectively on the pipeline 17.Get into controller system 6 from the high temperature of pressurized air heating equipment 101, high-pressure air by the road through the control of air inlet control series flow control valve 23 with after regulating.

Describe air inlet control series flow control valve 23 now in detail.The effect of air inlet control series flow control valve 23 is to decide the pressurized air air inflow according to the opening time of the command signal control electromagnetic valve of electronic control unit ECO 29.Because solenoid valve has decompression, it has just formed series flow control valve with the combination of decompression pressure regulator valve, thereby can the rotating speed of motor be adjusted in the suitable scope.Control signal 26 controls that air inlet control series flow control valve 23 is sent by ECU 29.On engine body 1, optionally be provided with multiple sensors; Such as the oily potentiometer of door of the velocity transducer of measuring engine speed, the position transducer of judging the cylinder top dead center position and decision gate oil pedal position, can also be the temperature transducer of measuring the engine body temperature.According to the exemplary embodiment of the utility model, show velocity transducer 24 and/or the oily potentiometer 242 of door.Velocity transducer 24 can be to measure the various velocity transducers of engine speed in the existing technology, and is arranged on usually on the bent axle 1020.The oily potentiometer 242 of door can be an all places sensor of measuring accelerator pedal position in the existing technology, and it is arranged on an oily pedal position place usually.In the occasion of non-vehicle application; The oily potentiometer of door that is similar to pedal position can be an engine load sensor, for example monitors the position transducer of the electric current selection knob of controlling the generation current size in the torque sensor of engine output torque, the occasion of generating electricity etc.ECU 29 is according to the signal of various sensors; Such as any one or two in the position signal of the rate signal of velocity transducer 24 and the oily potentiometer 242 of door; Send control signal 26 through calculation process; Control signal 26 control air inlets control series flow control valves, thus can realize high speed, middling speed, the low speed needs of air inlet control series flow control valve, thus corresponding to high speed, the middling speed of motor with slowly run.

High pressure air through air inlet control series flow control valve flows into controller system 6 through pressure duct; And to each cylinder of engine body 1 high pressure air is provided by controller system 6; Such as the pressure between about 7-18MPa; Being preferably 9-15MPa, more preferably is 11-13MPa, to drive engine piston 1140 reciprocating in cylinder body 3008 (with reference to figure 2); And the rotatablely moving of the bent axle 1020 that the to-and-fro motion of piston 1140 is transformed into via connecting rod 1100, thereby satisfy the requirement under the various operating modes of motor.The concrete structure of controller system 6 will describe in detail at the back literary composition.

Continuation is with reference to figure 1, and the rotational motion of exporting from engine body 1 is assigned to application apparatus through multicolumn body power distribution device 2, and as shown in fig. 1, application apparatus comprises air compressor 7, power equipment 4.Air compressor 7 can be traditional vane compressor and piston compressor etc., also can be claimant's disclosed pressurization device in patent documentation (CN 201261386Y) of the application.Power equipment 4 can be transmission system, generator or transmission system etc.Multicolumn body power distribution device 2 can be fixedly connected with the flywheel on the bent axle 1020, also can be through being connected with bent axle such as the link that is coupling.Multicolumn body power distribution device 2 is divided into two-way with power, and one the road distributes to power equipment 4, and air compressor 7 is distributed on another road.Power equipment 4 is connected with multicolumn body power distribution device 2 through the connection set of clutch 3 or similar functions, and air compressor 7 is through for example being that the coupling 5 of gearing is connected with multicolumn body power distribution device 2.When engine operation, the rotation of bent axle 1020 drives 2 runnings of multicolumn body power distribution device, then power is distributed to power equipment 4 and air compressor 7 respectively, thereby drives power equipment 4 and air compressor 7 work.The application's claimant has described the structure and the structure of multicolumn body power distribution device in detail in the one Chinese patent application 201110331831.3 and 201110373185.7 before it; At this; The full text of these two applications is incorporated herein by reference, so that multicolumn body power distribution device is disclosed.

Because the compressed air engine of the utility model is directly driven by high-pressure air, in the process of crankshaft rotating 0-180 degree, 1140 motions of high pressure air drives piston; When piston arrives moves upward because of inertia after bottom dead center; Bent axle is rotated further 180 degree-360 degree, and motor carries out exhaust stroke, and the gas of exhaust this moment still has higher pressure; For example be about 3MPa; Discharge gas with elevated pressures directly is discharged to and forms high pressure exhaust gas stream in the atmosphere on the one hand easily, causes the tail gas noise, on the other hand loss the energy that pressurized air contained.Therefore, the tail gas of compressed air engine being utilized again is an imperative key technology.The additional pressurized air loop structure of the utility model is summarized as follows:

The tail gas of discharging from the discharge header 27 of engine body 1 20 is transported to tail gas recycle jar 9 by the road.Pipeline 8 between tail gas recycle jar 9 and the air compressor 7 is provided with flowmeter A and pressure meter P, to detect and to monitor flow and the pressure through the tail gas after air compressor 7 compressions respectively.Its pressure of tail gas through after air compressor 7 compressions is increased significantly, can reach about 10 MPa usually to approximately between the 25MPa.Tail gas after air compressor 7 will compress divides two-way that engine body 1 is replenished the supply.Downstream part at pipeline 705 is provided with branch line 704 and 10; Pipeline 10 leads to high pressure gas holder group 13; When the tail gas pressure after air compressor 7 superchargings during greater than 15MPa; It for example is the pressure-limit valve of 15MPa that supercharging tail gas is set at through cracking pressure, after being set in condenser 11 coolings on the pipeline 10, sends into high pressure gas holder group 13 subsequently, perhaps again through getting into high pressure gas holder group 13 after the exhaust gas filter (not shown).Pipeline 704 is provided with sequence valve 703; When the tail gas pressure after air compressor 7 superchargings during less than 15MPa; It for example is that (this sequence valve is opened during less than 15MPa at suction pressure for the sequence valve of 15MPa that supercharging tail gas is set at through pressure limiting pressure; Automatically close during at suction pressure greater than 15MPa), get into constant voltage jars 16 through pipeline 704 subsequently.In alternative, can set the cracking pressure of pressure-limit valve and the closing pressure of sequence valve according to actual needs.For example can be any pressure between the 7Ma to 20MPa.Preferably, be 10,12,15,17, among the 20MPa any one.Can alternatively be, also can on the pipeline between condenser 11 and the high pressure gas holder group 13, the one-way valve (not shown) be set, only allow the unidirectional inflow high pressure gas holder of the clean tail gas group 13 after the supercharging.Thus; The high pressure air that is used to drive engine piston 1140 after acting its quite a few be recovered to the high pressure gas holder group after through the supercharging purification of additional pressurized air loop (comprising pressure-limit valve, sequence valve, tail gas recycle jar, air engine, condenser and the connecting pipeline between them), thereby realized the utilization again of tail gas.The existence that replenishes the pressurized air loop has not only solved the noise pollution problem that the direct exhaust atmosphere of the tail gas (being generally about 3MPa) with suitable pressure causes certain degree, and has reduced the volume requirements problem to big capacity high gas tank group 13 effectively.In other words; For the high pressure gas holder group 13 of giving constant volume; The existence that replenishes the pressurized air loop has increased the continuous working period of compressed air engine greatly; In the traffic tool or power generating equipment that use compressed air engine, increased the continuous working period of the traffic tool or power generating equipment greatly, thereby improved the efficient of compressed air engine significantly.

Consult Fig. 2 and Fig. 3 now, Fig. 2 is the three-dimensional stravismus perspective view that removes the aerodynamic force V-type multicylinder engine body after controller, cylinder body, the cylinder head according to the utility model among Fig. 1.Fig. 3 be among Fig. 1 engine body laterally cut open the side view of getting, it comprises the cross section of cylinder, cylinder head and controller.As shown in Figures 2 and 3, two exhaust casings about this machine of motor 1 comprises, two exhaust casings become V-type each other, and v-angle can be 60 °, 90 °, 120 ° or other angles according to concrete application change.In configuration shown in Figure 3, preferably, about the angle of two exhaust casings be 75 °-135 °, what be more preferably is 75 °, 90 °, 120 °, 135 °.Every exhaust casing has a plurality of cylinders 3008, particularly, can be 1,2,3,4,5,6,7 etc.In the example of the utility model, every row's cylinder number is 4 or 6, and this just can constitute V-type 8 cylinders or 12 cylinder multicylinder engines.In the example of one-sided 6 cylinders shown in Figure 2,6 cylinders in left side are respectively #1 cylinder, #3 cylinder, #5 cylinder, #7 cylinder, #9 cylinder, #11 cylinder; 6 cylinders in right side are respectively #2 cylinder, #4 cylinder, #6 cylinder, #8 cylinder, #10 cylinder, #12 cylinder.Accommodate piston 1140,1130 in the cylinder 3008, piston is connected on the bent axle 1020 through connecting rod 1170,1100.The rotation of bent axle 1020 drives piston and in cylinder 3008, moves reciprocatingly.Left bank gas camshaft 1200 places the left side of V-type engine, which is provided with the left bank gas cam of camshaft 1210, is used for controlling the unlatching of left side exhaust valve.Right exhaust cam shaft 1070 places the right side of V-type engine, which is provided with right exhaust cam axis cam 1110, is used for controlling the unlatching of right side exhaust valve.In twin-six air-powered motor shown in Figure 2; Be different from traditional twin-six engine; Admission cam shaft 1150 only is provided with 1; It is used for controlling the high pressure air air inlet of the left and right sides 12 cylinders, and it is provided with intake cam axis cam 1160, to be used for the high pressure air air inlet of control cylinder 3008.Left and right exhaust cam shaft 1200,1070 and admission cam shaft 1150 drive through front gear box by bent axle 1020.In example shown in Figure 2, front gear box comprises crankshaft gear 1030, right exhaust cam shaft carrier gear 1040, left bank gas cam idle gear, admission cam shaft carrier gear 1050, right exhaust cam shaftgear 1060 and left bank gas camshaft gear wheel 1230 and oil pump carrier gear 1010.The transmission that moves through front gear box of bent axle 1020 and drive the motion of inlet and outlet camshaft, thus realize the air inlet and the exhaust of motor.Admission cam shaft carrier gear 1050 has admission cam shaft bridging bearing 1190 and air inlet bearing stationary axle 1260; Right exhaust cam shaft carrier gear 1040 has right exhaust cam shaft bridging bearing 1240 and right exhaust bearing stationary axle 1250; Left bank gas cam idle gear has left bank gas camshaft bridging bearing 1220 and left bank gas bearing fixing axle 1270, and oil pump carrier gear 1010 has oil pump bridging bearing 1290 and oil pump bridging bearing stationary axle 1280.The stationary axle of these gears all is used for respective gears is fixed on the housing of front gear box.The opposite extremity of the crankshaft gear 1030 of bent axle 1020 is provided with flywheel 1120, is used for assisting bent axle to rotate.

Further with reference to figure 3, Fig. 3 clearly show that the distribution device of V-type multi-cylinder air-powered motor and the configuration of controller more.Cylinder head shown in Figure 3 is split type cylinder head 002, cylinder head 002 structure of left hand cylinder and right cylinder, and pattern is identical, but can be installed separately, and is used for the cylinder body 3008 of the airtight left and right sides respectively.Be provided with sealing gasket 3006 between cylinder cap 002 and the cylinder body 3008; Cylinder cap 002 is the structure of the cuboid substantially of intermediate hollow; Its upper end is connected with cylinder cover 3005; Have through hole on the cylinder cover 3005, shout 3010 to allow admission line 3001 through also getting into the gas that is arranged on the cylinder head 002, thereby allow the high pressure air of slave controller 6 to get into the chamber 3020 of doing work of expanding.The pressurized gas acting of in expansion exhaust chamber 3020, expanding promotes piston 1140 and cylinder liner 3007 in, moves downwards, and this is an expansion stroke.The merit of expansion stroke output is through the outside outputting power of crankshaft rod system.Piston 1140 in cylinder by bottom dead center position when top dead center position moves, exhaust valve 3012 is opened, and has in the air self-expanding exhaust chamber of certain pressure to discharge via exhaust duct 3002, this is an exhaust stroke.During near top dead center, exhaust valve 3012 cuts out at piston 1140, and controller 6 begins to be expansion exhaust chamber air feed again, gets into next circulation.Obviously, bent axle 1020 revolutions of the motor of the utility model move a circle (360 degree), just do work once, and unlike traditional four stroke engine, in the process of bent axle rotation two circles (720 degree), accomplish air inlet, compression, expansion and the exhaust stroke of one whole.These are but different with traditional two stroke engine just as two stroke engine, because traditional two stroke engine is provided with suction port in cylinder bottom usually, and are provided with scavenging port and relief opening in the cylinder appropriate location.And the two stroke engine of the utility model is to be provided with gas larynx 3010 that is used for the high pressure air air inlet and the exhaust valve 3012 that is used for exhaust emissions at the top of cylinder; And the connected sum closure of gas larynx 3010 is that admission cam shaft 1150 is realized through controller 6; And the connected sum closure of exhaust valve 3012 is to drive exhaust cam shaft 1070 by bent axle to rotate, and opening and closing through rocking arm 3015 control exhaust valves realize.Therefore the two stroke engine of the utility model is to be different from traditional two stroke engine fully; But it has effectively utilized the high-pressure air of direct expansion acting; Bent axle 1020 revolutions are moving once 1140 actings of circle piston once; Thereby under identical air displacement situation, traditional four stroke engine of comparing, power can double.

Because high pressure air is behind the acting chamber 3020 of expanding; Still has bigger pressure; It is just important unusually that air after in time will doing work is discharged cylinder; The exhaust gear of the utility model is different from traditional multicylinder engine, and it adopts 4 exhaust valves 3012, and promptly two exhaust valves are by an exhaust cam axis cam 1110, exhaust tappet 3019, a rocking arm 3015 and the exhaust gas drive mechanism controls that valve shoulder pole iron 3014 is formed.Because corresponding two the exhaust cam axis cams of each cylinder, thereby each cylinder has adopted 4 exhaust valves 3012.Greatly different therewith is that the admission gear of the utility model has then cancelled traditional suction valve, and realizes through the form of a gas larynx 3010 of a cylinder.So, just can in exhaust stroke, promptly tail gas be discharged, thus the efficient of raising motor.Further with reference to figure 3; The right exhaust cam shaft 1070 of the utility model, left bank gas camshaft 1200 and admission cam shaft 1150 are arranged on the diverse location of cylinder body 3008; Promptly be different from traditional overhead camshaft engine, also be same as traditional end to put cam axle engine.As scheme visiblely, and right exhaust cam shaft 1070 and left bank gas camshaft 1200 place the outer position in the right side, left side of cylinder body 3008 respectively, and both are parallel substantially with horizontal plane at the horizontal line of paper plane.Admission cam shaft 1150 places the top of the V-type groove of cylinder body 3008, and is positioned at the central position of line.The benefit of this configuration is the dynamic balancing of engine body, is convenient to the layout of front gear box.Send into the upper and lower exhaust pipe 3003,3004 from the tail gas that the gas exhaust piping 3002 of each cylinder of the left and right sides is discharged, be convenient to recycling of tail gas.

With reference now to Fig. 4 and Figure 13,, Fig. 4 is exhaust cam shaft 1070 structural representations of the engine main body among Fig. 2.Exhaust cam shaft 1070 comprises unit cam 1110A.In the exemplary embodiment; Unit cam 1110A comprises 6 unit cams, and it is respectively first module cam 2701, the second unit cam 2702, the 3rd unit cam 2703, the 4th unit cam 2704, the 5th unit cam 2705, the 6th unit cam 2706.In alternative, the number of unit cam 1110A can be 2,4,6,8,12 or more a plurality of, and this depends on the exhaust valve number of cylinder number and each cylinder.In the exemplary embodiment of the utility model, each unit cam 1110A comprises two cams, the unlatching of each its corresponding exhaust valve of cam control.In the preferred embodiment in Fig. 4, the phase place of each unit cam 1110A is done following the setting: first module cam 2701 and the second unit cam 2702 differ-120 degree, the second unit cam 2702 and the 3rd unit cam 2703 differ-120 degree, the 3rd unit cam 2703 and the 4th unit cam 2704 differ 180 spend, the 4th unit cam 2704 and the 5th unit cam 2705 differ 120 spend, the 5th unit cam 2705 and the 6th unit cam 2706 differ 120 and spend.Unit cam under so being provided with, can realize that the job order of unit cam is: the first and the 5th unit cam is worked simultaneously, and then the 3rd and the 6th unit cam is worked together, and the second last and the 4th unit cam are worked together.Two row about corresponding piston is divided into admission cam shaft 1150 symmetries, wherein first piston #1, the 3rd piston #3, the 5th piston #5, the 7th piston #7, the 9th piston #9, the 11 piston #11 are positioned at the left side; The second piston #2, the 4th piston #4, the 6th piston #6, the 8th piston #8, the tenth piston #10, the 12 piston #12 are positioned at the right side.Thus, the job order of corresponding engine piston is: #1 → #6 → #9 → #12 → #5 → #4 → #11 → #8 → #3 → #2 → #7 → #10 → #1.According to the instruction of the utility model, those skilled in the art can be provided with unit cam and work phase place and the job order that is different from the utility model, but it all drops in the scope of the utility model.

With reference now to Fig. 5,, bent axle 1020 comprises flywheel connecting end 1021, lubricant oil oilhole 1022, connecting rod running shaft 1023 and bent axle nipper wheel shaft 1024.Connecting rod running shaft 1023 on the bent axle 1020 is provided with one or more lubricant oil oilholes 1022, so that lubricating oil is provided for bent axle.The right side adjacent of bent axle nipper wheel shaft 1024 is provided with the gear connecting bolt, with the front gear box system in respective gears be connected.The adjacent position, the outside of flywheel connecting end 1021 is provided with the flywheel connecting bolt, to form a fixed connection with flywheel 1120.In the preferred embodiment of the utility model; The unit crank throw 1080 of bent axle comprises six unit crank throws, is respectively first module crank throw 10801, the second unit crank throw 10802, the 3rd unit crank throw 10803, the 4th unit crank throw 10804, the 5th unit crank throw 10805, the 6th unit crank throw 10806.It corresponds respectively to first to the 6th connecting rod 1170 or piston 1140.In alternative, unit crank throw 1080 can comprise the unit crank throw of different numbers, and such as 2,4,6,8,12 or more a plurality of, these all are that those skilled in the art expect easily.In the preferred embodiment in Fig. 5, the phase place of each unit crank throw is done following the setting: first module crank throw 10801 and the second unit crank throw 10802 differ-120 degree, the second unit crank throw 10802 and the 3rd unit crank throw 10803 differ-120 degree, the 3rd unit crank throw 10803 and the 4th unit crank throw 10804 differ 180 spend, the 4th unit crank throw 10804 and the 5th unit crank throw 10805 differ 120 spend, the 5th unit crank throw 10805 and the 6th unit crank throw 10806 differ 120 and spend.Crank throw unit under so being provided with, can realize that the job order of crank throw unit is: the first and the 5th unit crank throw is worked simultaneously, and then the 3rd and the 6th unit crank throw is worked together, and the second last and the 4th unit crank throw are worked together.Two row about corresponding piston is divided into admission cam shaft 1150 symmetries, wherein first piston #1, the 3rd piston #3, the 5th piston #5, the 7th piston #7, the 9th piston #9, the 11 piston #11 are positioned at the left side; The second piston #2, the 4th piston #4, the 6th piston #6, the 8th piston #8, the tenth piston #10, the 12 piston #12 are positioned at the right side.Thus, the job order of corresponding engine piston is: #1 → #6 → #9 → #12 → #5 → #4 → #11 → #8 → #3 → #2 → #7 → #10 → #1.According to the instruction of the utility model, those skilled in the art can be provided with unit crank throw and work phase place and the job order that is different from the utility model, but it all drops in the scope of the utility model.

With reference now to Fig. 6-Fig. 8,, it is the view of the controller of compressed air engine.As shown in Figure 6, controller comprises high-pressure common rail constant voltage pipe 2070, controller unit 2000 and intake cam shaft housing 2290.In the controller of Fig. 6-shown in Figure 8, controller comprises 6 controller units 2000, its corresponding twin-six multicylinder engine.According to the difference of V-type multicylinder engine cylinder body number, the number of controller unit 2000 can change, and it for example can be 2,3,4,5,7 etc.Controller unit 2000 comprises seat 2140 in controller loam cake 2080, following 2270 of controller, the controller.Seat is provided with in 1 in protruding 2291,1 of the seat seat in 2140 outer rim 2292, the first and second controller valves 2100, the first and second controller valve spring 2170, the first and second controller valve cover for seat 2120, the first and second controller valve spring cover for seat 2180 and the first and second oil sealing linings 2160 is installed in each controller.For the convenience of describing, we will be called the first controller valve 2100 for the controller valve 2100 of left hand cylinder air feed, for the controller valve 2100 of right cylinder air feed is called the second controller valve.The title of other corresponding parts and the like.The first and second controller valves 2100 during the controller valve cover for seat 2120 through separately is supported on respectively seat install between outer rim 2292 and the middle seat protruding 2291.According to controller valve cover for seat 2120 and the size of controller valve 2100 and the spacing of adjacent two intake cams in the admission cam shaft 1150, the thickness of seat protruding 2291 in can confirming.In the protruding existence of seat make that seat 2140 can be set two controller valves 2100 in each controller, thereby two cylinders that make a controller unit 2000 can be the left and right sides of V-type multicylinder engine provide pressurized air.In controller the seat 2140 in; Between oil sealing lining 2160 and controller valve cover for seat 2120, there is cavity (being controller valve port 2111 shown in Fig. 7); The side of this cavity is provided with inlet hole, in the illustrated embodiment, is respectively the first cylinder intake hole 2130 and the second cylinder intake hole 2280.The cylinder intake hole communicates with gas larynx hole on the cylinder head; With when controller valve 2100 is opened; To get into cylinder intake hole 2130,2180 via an air inlet pipeline 2112 from the pressurized air of high-pressure common rail constant voltage pipe 2070; Thereby pressurized air is sent into the expansion exhaust chamber, thereby drive engine operation.

High-pressure common rail constant voltage pipe 2070 has cylindrical outer shape, and it also can be profiles such as rectangle, triangle.High-pressure common rail constant voltage pipe 2070 is inner for for example being columniform cavity; To accept high pressure admission from air intake control valve 2020; And keep the compressed air pressure in the cavity balanced substantially; So that make the interior high-pressure air of expansion exhaust chamber of initial each cylinder of entering have identical pressure, thereby make engine mildness.The two ends of high-pressure common rail constant voltage pipe 2070 fixedly are equipped with air inlet rear end cover 2060; Has outward extending flange at its air inlet rear end cover 2060 that is connected with air intake control valve 2020; This flange extend in the pipeline between air intake control valve 2020 and the high-pressure common rail constant voltage pipe 2070, and through for example being that the Placement of screw thread removably is fixedly connected with pressure duct.The air inlet rear end cover 2060 of high-pressure common rail constant voltage pipe 2070 is connected with high-pressure common rail constant voltage pipe 2070 through the end cap connecting bolt.High-pressure common rail constant voltage pipe 2070 is provided with the loam cake attachment hole (unmarked) corresponding to number of cylinders, and controller loam cake 2080 is communicated with high-pressure common rail constant voltage pipe 2070 through loam cake attachment hole fixing seal ground.In illustrated compression, the number of loam cake attachment hole is 6.Controller loam cake 2080 is along having inverted T-shaped on the section of its center line; It has columniform air inlet pipeline 2081 and circular lower surface; Prop up air inlet pipeline 2081 through its peripheral being threaded onto in the loam cake attachment hole in upper end, removably be connected to form to fix with high-pressure common rail constant voltage pipe 2070.That controller loam cake 2080 seals through seat 2140 formation in loam cake and middle seat connecting bolt or other fastening pieces and the controller, detachably be fixedly connected.Seat 2140 is through middle seat and a following connecting bolt 2220 or following 2270 detachable fixed connection that forms sealing of other fastening pieces and controller in the controller.

Further with reference to Fig. 6-Fig. 8, seat 2140 is provided with the different hole of diameter in the middle in the controller, is followed successively by controller valve seat trepanning 2121, controller valve port 2111, oil sealing bush hole 2150, controller valve spring hole 2171 from top to bottom.In the exemplary embodiment, the diameter of controller valve seat trepanning 2121 is greater than the diameter of controller valve port 2111 and greater than the diameter of oil sealing bush hole 2150, the diameter of controller valve port 2111 is greater than the diameter of oil sealing bush hole 2150.The diameter in controller valve spring hole 2171 is less than the diameter of controller valve port 2111, but requirement is greater than the diameter of oil sealing bush hole 2150.In a preferred embodiment, the diameter in controller valve spring hole 2171 is less than the diameter of controller valve port 2111, and is slightly less than the diameter of controller valve seat trepanning 2121.Controller valve cover for seat 2120 is installed in the controller valve seat trepanning 2121, and is supported on the controller valve port 2111.Oil sealing lining 2160 is installed in the oil sealing bush hole 2150, and is supported on the controller valve spring 2170, passes through the valve stem 2110 of controller valve 2100 in it.This oil sealing lining 2160 also play the guiding role to valve stem except controller valve 2100 is sealed.Controller valve spring 2170 is installed in the controller valve spring hole 2171, and its lower end is supported with controller valve spring cover for seat 2180, and is fastened on the controller valve spring cover for seat 2180 through controller valve collet sheet 2190.When motor is not worked, the pretensioning that 2170 preloads of controller valve spring are certain, it is resisted against controller valve 2100 on the valve cover for seat 2120, and controller valve 2100 is closed, and then the entering of control gaseous.

Like Fig. 9 and shown in Figure 14; Admission cam shaft 1150 is provided with 12 cams; Be respectively first cam 1151, second cam 1152, the 3rd cam 1153, four-cam 1154, the 5th cam 1155, the 6th cam 1156, the 7th cam 1157, the 8th cam 1158, the 9th cam 1159, the tenth cam 1150-1, the 11 cam 1150-2, the 12 cam 1150-3, be respectively applied for the intake process of 12 cylinders of control V-type multicylinder engine.Is negative to see clockwise from intake cam shaftgear direction counterclockwise for just, and first cam and second cam differ 90 °; Second cam and the 3rd cam differ 30 °, and the 3rd cam and four-cam differ 90 °, and four-cam and the 5th cam differ 30 °; The 5th cam and the 6th cam differ 90 °, and the 6th cam and the 7th cam differ 90 °, and the 7th cam and the 8th cam differ 90 °; The 8th cam and the 9th cam differ 150 °; The 9th cam and the tenth cam differ 90 °, and the tenth cam and the 11 cam differ 150 °, and the 11 cam and the 12 cam differ 90 °.

Consult Fig. 7 and Fig. 9 now; Following 2270 of controller is fixedly welded on the intake cam shaft housing 2290 via admission cam shaft shell aperture 2293; Its inside is provided with a plurality of mounting holes that are used for installation and control device fore-set 2200; It can be provided with the mounting hole that is used for controller fore-set 2200 of different numbers according to the difference of cylinder number, for example can be 1 or 2.Controller fore-set 2200 is installed in the mounting hole of controller fore-set 2200, and pumps with admission cam shaft 1150 rotations that are installed in admission cam shaft 1150 mounting holes.When needs provide high pressure air to cylinder; The cam of the admission cam shaft 1150 jack-up controller fore-set 2200 that makes progress, controller fore-set 2200 is the valve stem 2110 of jack-up controller valve 2100 then, makes valve stem 2110 overcome the pulling force of controller valve spring 2170; Leave controller valve cover for seat 2120; Thereby controller valve 2100 is opened, and high pressure air is able to get into the expansion exhaust chamber from high-pressure common rail constant voltage pipe 2070, to satisfy the air feed demand of motor.12 cams that differ several angle are installed on the admission cam shaft 1150; Admission cam shaft 1150 will promote 12 fore-sets 2200 when rotating and move up and down; What have moves upward, and what have peaks, and what have moves downward; What have touches the bottom; Its job order is followed successively by first cam, the 6th cam, the 9th cam, the 12 cam, the 5th cam, four-cam, the 11 cam, the 8th cam, the 3rd cam, second cam, the 7th cam, the tenth cam, and after admission cam shaft 1150 turned over several angle with bent axle 1020, the valve stem 2110 of controller valve 2100 had been seated under the restoring force effect of controller valve spring 2170 on the controller valve cover for seat 2120 again; Controller valve 2100 is closed, and air feed finishes.Because the compressed air engine of the utility model is a two stroke engine; Bent axle 1020 revolutions move a week; Each opens and closes controller valve 2100 and exhaust valve once, therefore, is easy to be provided with cam phase and they of admission cam shaft 1150 and exhaust cam shaft 1070A and the annexation of bent axle.

Next consult Figure 10-Figure 12, it is the schematic representation of the cylinder cap exhaust structure of aerodynamic force V-type multicylinder engine.As shown in Figure 7, the cylinder cap exhaust structure comprises the cam 1210 and the cylinder cap 002 of valve cover 3005, exhaust valve 3012, valve spring 3120, valve shoulder pole iron 3014, rocking arm 3015, gas larynx 3010, tappet 3019, exhaust cam shaft.Wherein, Valve cover 3005 removably is tightly connected through connecting bolt and cylinder cap 002, and wherein, is provided with rocking arm 3015 in the cylinder cap 002; One end of said rocking arm 3015 connects tappet 3019; Said rocking arm 3015 the other ends connect valve shoulder pole iron 3014, and 3014 times joints of valve shoulder pole iron have exhaust valve 3012, through opening of exhaust valve 3012 gas in the cylinder are discharged.Each cylinder cap 002 has 4 exhaust valves 3012 and 1 gas larynx 3010; Four exhaust valves 3012 are installed in each cylinder cap 002.Exhaust valve 3012, valve spring 3120, oil sealing 3210, valve cover for seat 3110 are installed in the cylinder cap 002, and exhaust valve 3012 firmly is resisted against when motor need not exhaust on the valve cover for seat 3110 by the precompose of valve spring 3120.Be provided with the tappet 3019 that the control exhaust valve opens and closes in the cylinder cap 002, said tappet 3019 is by exhaust cam shaft 1070 brakings.Exhaust cam shaft 1070 is driven with carrier gear 1040 by bent axle 1020 crankshaft gear through rear gear box, with when the engine operation, drives tappet 3019 motions, and then the switching of realization exhaust valve.Said valve spring 3120 is installed in the spring socket sleeve 2, and spring socket sleeve 2 is installed in the valve shoulder pole iron 3014.When engine operation; Exhaust cam shaft 1070 begins to rotate; The bottom that the cam 1210 of the exhaust cam shaft on the exhaust cam shaft 1070 touches tappet 3019 will make tappet 3019 move upward, thereby rocking arm 3015 is tilted to the left and is pressed in valve shoulder pole iron 3014 tops, and valve shoulder pole iron 3014 moves down; And then valve shoulder pole iron 3014 will compress the valve spring 3120 on the exhaust valve 3012; Exhaust valve 3012 will be extruded from valve cover for seat 3110, and the gas in the cylinder will enter into exhaust port 3280 along valve port, discharge through outlet pipe again.Above-described cylinder is 12 in the two-stroke air-powered motor of the utility model; Two groups of exhaust valves all are installed in each cylinder; Every group of exhaust valve has 2 exhaust valves, and two root elevator posts 3019 are simultaneously by jack-up, and then two groups of exhaust valve exhausts simultaneously; Also just say 4 exhaust valves exhaust simultaneously in the cylinder, or close simultaneously.

Like Figure 10-shown in Figure 12; Cylinder cap 002 is provided with two groups of holes that diameter is different; Be followed successively by valve spring hole 3121, oil sealing hole 3211, exhaust port 25, valve seat trepanning 2-1 from top to bottom; And wherein, the diameter of valve seat trepanning 2-1 is greater than the diameter of oil sealing hole 3211, and the diameter in valve spring hole 3121 is slightly less than the diameter of valve seat trepanning 2-1.Valve cover for seat 3110 is installed in the valve seat trepanning 2-1.Exhaust valve 3012 firmly is resisted against when motor need not exhaust on the valve cover for seat 3110 by the precompose of valve spring 3120.Exhaust port 3280 is a cavity, and it is communicated with outlet pipe, with when exhaust valve 3012 is opened, will discharge from the gas of cylinder.In addition, the center of cylinder cap 002 has gas larynx 3010, and gas larynx 3010 is connected with connecting tube 2281, and the pressurized air of self-controller gets into cylinder through gas larynx 3010 in the future.One end of gas larynx 3010 is communicated with connecting tube 2281, and the other end leads in the cylinder, and it keeps normal open, thereby can when controller 2100 is opened, pressurized air is sent in the cylinder, thereby driven plunger move downward.

The cylinder cap exhaust structure also comprises oil sealing 3210, and said oil sealing 3210 is installed in the oil sealing hole 3211, and supports on the valve spring 3120, passes through the valve stem of exhaust valve 3012 in it.Valve spring 3120 is installed in the valve spring hole 3121, and is fastened in the cotter seat 3190 through valve collet sheet 3130.In addition, in the pitman arm shaft seat of honour 8 of rocking arm 3015 pitman arm shaft 3170 is installed; Following 3240 of the pitman arm shaft of rocking arm 3015 overlaps 3150 through seat pillar under the pitman arm shaft and places on the last plane of cylinder cap 002; The hole at the pitman arm shaft seat of honour 3160 and pitman arm shaft 3170 are Spielpassung, two rocking arm 3015 shared pitman arm shafts 3170, and on center line, be symmetrically distributed.The top of cylinder cap 002 has rocker arm bracket machine oil oil duct 3220, seat pillar cover 3150 under the pitman arm shaft is lubricated prevents that it from getting rusty.

This specification at length discloses the utility model, comprises optimal mode, and also can make related domain anyone put into practice the utility model, comprise the method for making and using any equipment or system and carry out any introducing.The protection domain of the utility model is limited accessory claim, and can be included in various modification, remodeling and the equivalents of doing to the utility model under the situation that does not break away from the utility model protection domain and spirit.

Claims (13)

1. the cylinder cap exhaust structure of aerodynamic force V-type multicylinder engine, said cylinder cap exhaust structure comprises: the cam (1210) of valve cover (3005), cylinder cap (002), exhaust valve (3012), valve spring (3120), valve shoulder pole iron (3014), rocking arm (3015), gas larynx (3010), tappet (3019) and exhaust cam shaft; It is characterized in that; Said valve cover (3005) removably is tightly connected through connecting bolt (3100) and cylinder cap (002); And wherein, be provided with rocking arm (3015) in the cylinder cap (002), an end of said rocking arm (3015) connects tappet (3019); Said rocking arm (3015) the other end connects valve shoulder pole iron (3014), and the below of valve shoulder pole iron (3014) is connected with exhaust valve (3012).

2. cylinder cap exhaust structure according to claim 1 is characterized in that, two row about said cylinder cap (002) is divided into, and the #1 cylinder cap, the #3 cylinder cap, the #5 cylinder cap, the #7 cylinder cap, #9 cylinder cap, #11 cylinder cap are left column; #2 cylinder cap, #4 cylinder cap, #6 cylinder cap, #8 cylinder cap, #10 cylinder cap, #12 cylinder cap are right row.

3. cylinder cap exhaust structure according to claim 2 is characterized in that, said each cylinder cap (002) has 4 exhaust valves (3012) and 1 gas larynx (3010); Four exhaust valves (3012) are installed in each cylinder cap (002).

4. according to each the described cylinder cap exhaust structure in claim 1 or 2 or 3; It is characterized in that; Exhaust valve (3012), valve spring (3120), oil sealing (3210), valve cover for seat (3110) are installed in the said cylinder cap (002), and said exhaust valve (3012) firmly is resisted against when motor need not exhaust on the valve cover for seat (3110) by the precompose of valve spring (3120).

5. cylinder cap exhaust structure according to claim 4 is characterized in that, said valve spring (3120) is installed in the spring seat (3190), and spring seat (3190) is installed in the valve shoulder pole iron (3014).

6. according to each described cylinder cap exhaust structure in claim 1 or 2 or 3 or 5; It is characterized in that; Be provided with the tappet (3019) that control exhaust valve (3012) opens and closes in the said rocking arm (3015); Said tappet (3019) is connected with rocking arm (3015) with tappet rotary head nut (3250) through tappet rotary head (3140), and said tappet (3019) is by exhaust cam shaft (1070) braking, to receive the motion from exhaust cam shaft (1070).

7. cylinder cap exhaust structure according to claim 6; It is characterized in that; Be provided with the tappet (3019) that control exhaust valve (3012) opens and closes in the said rocking arm (3015), said tappet (3019) is by exhaust cam shaft (1070) braking, to receive the motion from exhaust cam shaft (1070).

8. according to claim 1 or 7 described cylinder cap exhaust structures, it is characterized in that, in the pitman arm shaft seat of honour (3160) of said rocking arm (3015) pitman arm shaft (3170) is installed; The pitman arm shaft of rocking arm (3015) following (3240) places on the last plane of cylinder cap (002) through seat pillar cover (3150) under the pitman arm shaft.

9. cylinder cap exhaust structure according to claim 8; It is characterized in that; The hole at the said pitman arm shaft seat of honour (3160) and said pitman arm shaft (3170) they are Spielpassung, the shared pitman arm shafts of two rocking arms (3015) (3170), and on center line, be symmetrically distributed.

10. cylinder cap exhaust structure according to claim 1; It is characterized in that; Said cylinder cap (002) is provided with two groups of holes that diameter is different, is followed successively by valve spring hole (3121), oil sealing hole (3211), exhaust port (3280), valve seat trepanning (3111) from top to bottom, and wherein; The diameter of valve seat trepanning (3111) is greater than the diameter of oil sealing hole (3211), and the diameter of valve spring hole (3121) is slightly less than the diameter of valve seat trepanning (3111).

11. cylinder cap exhaust structure according to claim 10 is characterized in that, said gas larynx (3010) is connected with cylinder intake hole (2280), and the pressurized air of self-controller gets into cylinder through gas larynx (3010) in the future.

12. cylinder cap exhaust structure according to claim 4 is characterized in that, said oil sealing (3210) is installed in the oil sealing hole (3211), and supports on the valve spring (3120), passes through the valve stem of exhaust valve (3012) in it.

13. cylinder cap exhaust structure according to claim 4 is characterized in that, said valve spring (3120) is installed in the valve spring hole (3121), and is fastened in the cotter seat (3190) through valve collet sheet (3130).

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