CN103967525A - Micro aerodynamic engine - Google Patents
Micro aerodynamic engine Download PDFInfo
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- CN103967525A CN103967525A CN201310034666.4A CN201310034666A CN103967525A CN 103967525 A CN103967525 A CN 103967525A CN 201310034666 A CN201310034666 A CN 201310034666A CN 103967525 A CN103967525 A CN 103967525A
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Abstract
The invention relates to an engine, particularly to a micro aerodynamic engine taking compressed air as power. The micro aerodynamic engine comprises an engine body (10), a control system (100), a crankshaft system (200), a chain wheel (11), an air inlet cavity (12), an engine body casing (13), a fixing bracket (14), a main air inlet pipeline (15), an engine body end cover (16), a branch air inlet pipe (19) and an exhaust pipe (20). Piston cylinders of the micro aerodynamic engine are uniformly and ringwise arranged in the radial direction. Compared with other air engines, the micro aerodynamic engine has higher starting torque, is simple in structure, convenient to operate, fast in acceleration, small in impact and low in gas consumption.
Description
Technical field
The present invention relates to a kind of motor, in particular to a kind of, take the miniature air power engine that pressurized air is power.
Background technique
Motor is widely used in all trades and professions, Modern Traffic means of transportation such as automobile, steamer etc. in, general employing usingd the piston internal-combustion engine of fuel oil as power source.This employing fuel oil as the motor of power source on the one hand because oil inflame is insufficient, in the gas that makes to discharge, contain a large amount of harmful matters and befouling environment, because the fuel oil using is to refine and obtain from oil, the day by day in short supply of petroleum resources makes the development of fuel engine and utilization be subject to increasing restriction on the other hand.Therefore develop new, clean, free of contamination alternative energy source, or reduce as much as possible fuel consume, reduce discharge and become urgent problem in development of engine, the pressurized air of usining has just in time met this requirement as the air-powered motor of power source.
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), and this motor comprises gas holder, air distributor, engine body, clutch, clutch, automatic transmission, differential mechanism and is placed in the vane motor in exhaust chamber.This motor utilizes compressed air to do work and does not use any fuel, therefore there is no toxic emission, realized " zero-emission ", and recycling waste gas generates electricity, and has saved the energy, has reduced cost.But this motor is the four stroke engine based on traditional, 720 ° of the every rotations of bent axle, piston does work once.And can promote piston acting as the pressurized air of power source can be in entering cylinder time, and then discharge, 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 efficiency of motor.And the tail gas of this motor fails to recycle well, need enough large gas holder deposit pressurized air could work the sufficiently long time.
Based on the existing problem of patent application CN101413403 A, in China's application that the application's claimant is 201110331809.9 at its application number, disclose a kind of compressed air engine assembly with tail gas recycling loop, 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, therefore there is no toxic emission, has realized " zero-emission ", and has recycled waste gas and do work, and has saved the energy, has reduced cost.But this motor is In-line multi-cylinder engine, in each the controller valve port in controller, a controller valve is only installed, in the situation that motor overall length is certain, limit cylinder cylinder number, thereby 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 is still worth exploring.
Based on application number, be 201110331809.9 existing problems, in China's application that the application's claimant is 201210063546.2 at its application number, disclose a kind of V-type multi-cylinder air-powered motor, having comprised: multicylinder engine body, multicolumn body power distribution device, power equipment, controller system, air inlet have been controlled series flow control valve, compression gas tank group, constant-pressure tank, electronic control unit ECU, pressurized air heating plant and selectable second for air circuit.The output power problem and the circulation of tail gas that are intended to solve air-powered motor utilize problem, thereby realize Novel compressed air motor economic, efficient, zero-emission.But this motor is not high to compressed-air actuated utilization, larger to compressed-air actuated demand during piston cylinder acting.
Summary of the invention
Based on the problems referred to above, the invention provides a kind of miniature air power engine, be intended to solve raising speed slow, impact is larger, the problem that air consumption is large.For this reason, the present invention adopts following technological scheme.
A miniature air power engine, it comprises: engine body, control system, crankshaft system, sprocket wheel, body shell, body end cap, main admission line, a suction tude, outlet pipe, cylinder body.This miniature air power engine also comprises air-inlet cavity, when the throttle of motor is opened, pressurized air enters air-inlet cavity by main admission line after heating plant heating, pressurized air in air-inlet cavity is through a suction tude metering-in control system, and then the moving up and down of control piston cylinder inner carrier, drive the bent axle in crankshaft system to rotate simultaneously.
Preferably, described engine body is arranged on fixing frame.
In such scheme, preferably, described cylinder body is four, and the radial equipartition arrangement ringwise of relatively main admission line.
In such scheme, preferably, described main admission line is connected on air-inlet cavity, and air-inlet cavity is provided with four suction tude.
In such scheme, preferably, one end of described suction tude is connected on air-inlet cavity, and the other end is connected to the top of cylinder body.
In such scheme, preferably, described outlet pipe is arranged on the side of cylinder body.
In such scheme, preferably, described control system comprises gas handling system, vent systems, intake and exhaust fixed base.
In such scheme, preferably, described gas handling system comprises air inlet tappet, air inlet driving member, intake valve, admission line and air inlet controlling rod.
In such scheme, preferably, described vent systems comprises exhaust controlling rod, exhaust tappet, exhaust rocker arm, exhaust duct and exhaust valve.
In such scheme, preferably, described crankshaft system comprises bent axle, positioning bearing, intake cam, exhaust cam and crank.
In such scheme, preferably, in described engine body, be provided with lubrication system.
In such scheme, preferably, described lubrication system comprises, oil input channel, oil road, upwards oil duct, connecting rod lubrication oil duct, crankshaft lubrication oil duct, return tube, fine cleaner and oil sump.
In such scheme preferably, in described lubrication system, be provided with jerk fuel injection pump, when motor starts air inlet work, bent axle in crankshaft system rotates counterclockwise, jerk fuel injection pump sucks the lubricant oil in oil sump in the pump housing cavity of control system, crankshaft system and piston is lubricated, and finally completes lubricated lubricant oil and gets back in oil sump by return tube.
Accompanying drawing explanation
To describe now according to preferred but nonrestrictive embodiment of the present invention, these and other features of the present invention, aspect and advantage will become apparent when reading as follows detailed description with reference to accompanying drawing, wherein:
Fig. 1 is miniature air power engine structural representation of the present invention;
Fig. 2 is according to the structural representation of the other direction of the miniature air power engine of Fig. 1 of the present invention;
Fig. 3 is according to the plan view of the miniature air power engine of Fig. 1 of the present invention;
Fig. 4 is according to the plan view of miniature air power engine in Fig. 1 of the present invention;
Fig. 5 is according to the stereogram of crankshaft system in Fig. 1 of the present invention;
Fig. 6 is the sectional view according to Fig. 5 of the present invention;
Fig. 7 is the left hand view according to Fig. 5 of the present invention;
Fig. 8 is the right part of flg according to Fig. 5 of the present invention;
Fig. 9 is according to the structural representation of control system in Fig. 1 of the present invention;
Figure 10 is the sectional view according to Fig. 9 of the present invention;
Figure 11 is according to the sectional view of intake valve assembly in Fig. 9 of the present invention;
Figure 12 is the side view according to Fig. 9 of the present invention;
Figure 13 is the plan view according to Fig. 9 of the present invention;
Figure 14 is according to the air-suction state figure of 1# piston cavity in cylinder body in Fig. 1 of the present invention;
Figure 15 is for starting the phase diagram of air inlet according to 4# piston cavity in cylinder body in Fig. 1 of the present invention;
Figure 16 is for starting the phase diagram of air inlet according to 3# piston cavity in cylinder body in Fig. 1 of the present invention;
Figure 17 is for starting the phase diagram of air inlet according to 2# piston cavity in cylinder body in Fig. 1 of the present invention;
Figure 18 is according to the structural representation of the preferred embodiment of the oil-way system of miniature air power engine of the present invention;
Figure 19 is according to the sectional view of the preferred embodiment of jerk fuel injection pump in the oil-way system of Figure 18.
Embodiment
The following description is only exemplary and be not in order to limit the disclosure, application or purposes in essence.Should be understood that, in whole accompanying drawings, corresponding reference character represents identical or corresponding parts and feature.
With reference now to accompanying drawing,, Fig. 1, Fig. 2 are the structural representation of miniature air power engine of the present invention.As Fig. 1, shown in Fig. 2, miniature air power engine, it comprises: engine body 10, control system 100, crankshaft system 200, sprocket wheel 11, body shell 13, body end cap 16, main admission line 15, prop up suction tude 19, outlet pipe 20, cylinder body 21, when the throttle of motor is opened, pressurized air enters air-inlet cavity 12 by main admission line 15 after heating plant heating, pressurized air in air-inlet cavity 12 is through suction tude 19 metering-in control system 100, and then the moving up and down of control piston cylinder inner carrier 18, drive the bent axle 211 in crankshaft system 200 to rotate simultaneously, thereby outputting power.
With further reference to Fig. 1-Fig. 4, engine body 10 is bolted and is arranged on fixing frame 14, wherein crankshaft system 200 links together by body end cap 16 sealings with the outside of cylinder body 21, and is provided with positioning bearing 17 between body end cap 16 and bent axle 211.Pressurized air in gas holder passes in main admission line 15 after heating equipment heating, enter pressurized air after admission line 15 and can enter in air-inlet cavity 12 temporaryly, the pressurized air in air-inlet cavity 12 can enter in cylinder body 21 by a suction tude 19 according to the control of control system 100 and crankshaft system 200 subsequently.Air-inlet cavity 12 is connected to the outside of cylinder body 21 by body shell 13 sealings, and the piston cavity 105(by suction tude 19 and piston 18 is as shown in Figure 10) communicate.Wherein control system 100 and a suction tude 19 are 4, and each control system 100 is installed one suction tude 19 and two outlet pipes 20.
With reference now to Fig. 5-Fig. 8,, Fig. 5 has described according to the structural representation of crankshaft system 200 of the present invention.
Crankshaft system 100 comprises bent axle 211, positioning bearing 17, intake cam 216, exhaust cam 215 and crank 219.Intake cam 216 and exhaust cam 215 are fixed on bent axle 211 by flat key 217, and are provided with 216, two exhaust cams 215 of 1 intake cam.Intake cam 216 is positioned in the middle of two exhaust cams 215, and the start angle of two exhaust cams 215 is identical.The center, end of bent axle 211 has sprocket wheel retaining thread hole 210, and this sprocket wheel retaining thread hole 210 coordinates sprocket wheel 11 is fixed on bent axle 211 with nut, and sprocket wheel 11 also links together by flat key with bent axle 211.The middle part of bent axle 211 is provided with positioning bearing 17 in order to body end cap 16 to be installed, and positioning bearing 17 is provided with lesser calorie spring 212 near a side of sprocket wheel 11, and opposite side is provided with large jump ring 214, so guaranteed motor in the course of the work positioning bearing 17 can not be offset.The axis body of bent axle 211 is provided with intake cam 216 and exhaust cam 215 near a side of crank 219, and link together by flat key 217 and bent axle 211, in order to prevent that intake cam 216 and exhaust cam 215 are subjected to displacement on bent axle 211, in the side near crank 219, be provided with a bearing near the boss of cylinder body 21, the shell of cylinder body 21 and intake cam 216 are separated, avoided intake cam 216 to rub with the shell of cylinder body 211 in rotation process.As shown in Figure 6, in order to prevent can getting rusty after component on crankshaft system 200 from working long hours, therefore have oil leab 218 on bent axle 211, the initial position of oil leab 218 is on the right side of large jump ring 214, and final position be one end of close crank 219.When after oil leab 218 passes into lubricant oil, bent axle 211 rotates, lubricant oil is by flow through along the positive camber of bent axle 211 positioning bearing 17, intake cam 216, exhaust cam 215, flat key 217 and bearing and locating that bent axle 211 contacts.
Next with reference to figure 9-Figure 13, Fig. 9 is the structural representation of control system 100.Described control system 100 comprises: gas handling system, vent systems, intake and exhaust fixed base 132.Gas handling system comprises, air inlet tappet 133, air inlet driving member 134, intake valve 142, admission line 144 and air inlet controlling rod 145; Vent systems comprises, exhaust controlling rod 112, exhaust tappet 114, exhaust rocker arm 115, exhaust duct 116 and exhaust valve 118.
Below with reference to Figure 10, Figure 12 and 13, introduce in detail the working procedure of control system 100.The side of cylinder cap 103 is provided with admission line 144, and this admission line 144 and a suction tude 19(are as shown in Figure 3) be tightly connected.After engine start, bent axle 211 rotates, thereby rotates with the intake cam 216 on dynamic crankshaft 211 and exhaust cam 215 thereupon.When intake cam 216 and air inlet are controlled bearing 130 and are contacted, air inlet controlling rod 145 promotion air inlet tappets 133 on air inlet control bearing 130 upwards rotate and then promote air inlet driving member 134 promotion intake valves 142 and leave intake valve cover for seat 143, the valve port of intake valve 142 is opened, pressurized air in admission line 144 enters in piston cavity 105, the compressed air push of piston 18 in piston cavity 105, piston 18 is at the interior down sliding of piston cavity 105, when air inlet control bearing 130 is separated with intake cam 216, intake valve 142 is resisted against in intake valve cover for seat 143 under the effect of air inlet little spring 139 and air inlet big spring 140, thereby the valve port of intake valve 142 is closed, piston cavity 105 stops passing into pressurized air.
When bent axle 211 turns an angle exhaust cam 215 and exhaust when controlling bearing 110 and contacting, exhaust is controlled bearing 110 and is arranged on exhaust controlling rod 112, exhaust tappet 114 is installed in exhaust controlling rod 112, when exhaust cam 215 contacts with exhaust control bearing 110, exhaust controlling rod 112 is pushed upwards and rotates, thereby promotes upwards rotation of exhaust tappet 114.When exhaust tappet 114 upwards rotates, exhaust rocker arm 115 on exhaust tappet 114 is pressed the end of the valve stem of exhaust valve 118 downwards, exhaust valve 118 leaves exhaust valve cover for seat 117, the valve port of exhaust valve 118 is opened, piston 18 upward slidings, thereby the pressurized air in piston cavity 105 is discharged from the valve port of exhaust valve 118, finally by exhaust duct 116, discharge.When the piston 18 in piston cavity 105 slides into peak, pressurized air in piston cavity 105 is discharged from, exhaust cam 215 is controlled bearing 110 with exhaust and is separated, exhaust valve 118 is got back in exhaust valve cover for seat 117 under the effect of exhaust little spring 120 and exhaust big spring 121, vent closure on exhaust valve 118, piston cavity 105 stops exhaust.Piston 18 is just according to above-mentioned process periodic duty.
With further reference to Figure 10 and Figure 11, the internal structure of control system 100 is described in further detail now.Control system 100 of the present invention comprises gas handling system, vent systems, intake and exhaust fixed base 132.
Gas handling system comprises: air inlet tappet 133, air inlet driving member 134, intake valve 142, admission line 144 and air inlet controlling rod 145.Air inlet controlling rod 145 is placed in the square hole of exhaust controlling rod 112, and can slide up and down in the square hole of exhaust controlling rod 112; The lower end of air inlet controlling rod 145 is provided with air inlet and controls bearing 130, and air inlet is controlled bearing 130 by air inlet Control Shaft 131 lower ends that are arranged on air inlet controlling rod 145 of consigning; The upper end of air inlet controlling rod 145 has circular groove.Air inlet tappet 133 is for opening round-meshed rectangle in the central position of upper end, lower end is cylindrical body, hemisphere is processed in cylindrical end, and this hemisphere is placed in the circular groove of air inlet controlling rod 145 upper ends, and can sliding up and down and rotate with air inlet controlling rod 145 in circular groove.The upper end of air inlet tappet 133 is arranged in the square groove of air inlet driving member 134 lower ends, and link together by pivot pin and air inlet driving member 134, when air inlet controlling rod 145 upward sliding, can drive air inlet tappet 133 to rotate and then can promote air inlet driving member 134 in the circular groove of air inlet controlling rod 145 is offset to the right, when being displaced to certain position, air inlet driving member 134 can be controlled and cover 135 and contact with air inlet, thereby press the valve stem of intake valve 142, promote intake valve 142 and leave intake valve cover for seat 143, the valve port of intake valve 142 is opened and is passed into pressurized air.Intake valve 142 is placed in cylinder cap 103, is connected with admission line 144 on cylinder cap 103, and admission line 144 is provided with cylinder cap air inlet end cap 104 with the joint of cylinder cap 103.Cylinder cap 103 communicates with piston cavity 105, therefore when the valve port of intake valve 142 is opened, the pressurized air in cylinder cap 103 can enter interior promotion piston 18 down slidings of piston cavity 105.
The valve end of intake valve 142 is provided with air inlet locker sheet 137, and valve stem is placed in air inlet little spring 139 and air inlet big spring 140, and air inlet little spring 139 and air inlet big spring 140 are placed in air inlet spring seat 138; Air inlet locker sheet 137 is fixed on air inlet end cap 136; The assembly body of air inlet locker sheet 137, valve stem, air inlet little spring 139 and air inlet big spring 140 is placed in air inlet control and covers in 135.Wherein, valve stem and intake valve 142 joints are provided with air inlet oil sealing 141, and intake valve 142 is arranged in intake valve cover for seat 143.
Vent systems comprises: 115,2 exhaust ducts 116 of 114,2 exhaust rocker arms of 112,2 exhaust tappets of exhaust controlling rod and 2 exhaust valves 118.Exhaust controlling rod 112 is the inner cylindrical body that has square through hole, two boards shape body is processed in its lower end, the middle part of tabular body has circular hole, in circular hole, be provided with exhaust and control bearing 110, exhaust is controlled bearing 110 and is consigned and 113 be arranged in the circular hole of tabular body of exhaust controlling rod 112 lower ends by exhaust Control Shaft; The end face symmetry on exhaust controlling rod 112 tops has two halves circular groove.Exhaust tappet 114 is processed into hemispheroidal rod member for bottom, and hemisphere is placed in the half slot on exhaust controlling rod 112 tops, and rotates along with swinging up and down of exhaust controlling rod 112; The top of exhaust tappet 114 is provided with exhaust rocker arm 115.The middle part of each exhaust rocker arm 115 is equipped with circular hole, and 2 exhaust rocker arms 115 link together by rocker-arm roller pin 101, and by rocking arm fixed base 102, is fixed on the top of cylinder cap 103; Exhaust rocker arm 115 is for one end has circular hole, and the other end is the plate with circular arc, and the upper end by circle hole sleeve at exhaust tappet 114 contacts with the valve end of exhaust valve 118 with the arc surface of the plate of circular arc.
The valve end of exhaust valve 118 is provided with exhaust locker sheet 123, and valve stem is placed in exhaust little spring 120 and exhaust big spring 121, and exhaust little spring 120 and exhaust big spring 121 are placed in exhaust spring seat 122; The assembly body of exhaust locker sheet 123, valve stem, exhaust little spring 120 and exhaust big spring 121 is deflated rocking arm 115 and pushes down.Wherein, valve stem and exhaust valve 118 joints are provided with exhaust oil sealing 119, and exhaust valve 118 is arranged in exhaust valve cover for seat 117.The valve port of exhaust valve 118 communicates with exhaust duct 116, piston cavity 105, when exhaust valve 118 leaves exhaust valve cover for seat 117, the valve port of exhaust valve 118 is opened, piston cavity 105 inner carrier 18 upward slidings, thereby the pressurized air in piston cavity 105 is extruded, finally from exhaust duct 116, discharged.
With reference to figure 14-Figure 18 and introduce the working procedure of piston 18 in conjunction with Fig. 1, Fig. 5, Fig. 9, i.e. the air-suction state of piston cavity.Intake cam 216 during engine body 10 starting on bent axle 211 is controlled bearing 130 with the air inlet in 1# piston cylinder and is contacted promotion air inlet controlling rod 145, and then promote air inlet tappet 133 and promote air inlet driving members 134 and press air inlet and control and cover 135 and make intake valve 142 leave intake valve cover for seat 143, the valve port of intake valve 142 is opened gradually, and 20 degree that originally bent axle 211 rotates are the buffering course of piston 18.As shown in figure 14, bent axle 211 turns over the piston cavity 105 of 1# piston cylinder after 20 degree and starts to enter pressurized air, and when bent axle 211 turns over 70 while spending again, the intake valve 142 in 1# piston cylinder is in full open position during this period, and piston cavity 105 enters pressurized air.In this process the piston cavity of 1# piston cylinder only during bent axle 211 turns to 20 degree-90 degree in air-suction state, and front 20 degree are in buffer status, in this process, 2 exhaust cams 215 contact with 2 exhausts control bearings 110,2 exhaust tappets 114 are pushed, exhaust rocker arm 115 on 2 exhaust tappets 114 is pressed the valve stem of exhaust valve 118 downwards, 2 exhaust valves 118 are opened gradually, and 3# piston cylinder is prepared exhaust.
As shown in figure 15, when bent axle 211 turns over 90 while spending again, bent axle 211 has rotated 180 degree.Intake valve 142 in 1# piston cylinder is closed, piston cavity 105 stops entering pressurized air, in this process the piston cavity of 1# piston cylinder only during bent axle 211 turns to 90 degree-140 degree in air-suction state, and during 140 degree-160 degree the piston 18 in 1# piston cylinder in expansion acting state, not air inlet, 3# piston cylinder is still in exhaust condition.During 160 degree-180 degree, intake cam 216 is controlled bearing 130 with the air inlet in 4# piston cylinder and is contacted promotion air inlet controlling rod 145, and then promote air inlet tappet 133 and promote air inlet driving members 134 and press air inlet and control and cover 135 and make intake valve 142 leave intake valve cover for seat 143, the valve port of intake valve 142 is opened gradually, and 4# piston cylinder intake valve 142 in 180 degree is opened preparation air inlet; During 160 degree-180 degree, 2 exhaust cams 215 are controlled bearing 110 with 2 exhausts and are contacted, 2 exhaust tappets 114 are pushed, exhaust rocker arm 115 on 2 exhaust tappets 114 is pressed the valve stem of exhaust valve 118 downwards, 2 exhaust valves 118 are opened gradually, and 2# piston cylinder exhaust valve 118 in 180 degree is opened preparation exhaust.
As shown in figure 16, when bent axle 211 turns over 90 while spending again, bent axle 211 has rotated 270 degree.Intake cam 216 is controlled bearing 130 with the air inlet in 3# piston cylinder and is contacted promotion air inlet controlling rod 145, and then promote air inlet tappet 133 and promote air inlet driving members 134 and press air inlet and control and cover 135 and make intake valve 142 leave intake valve cover for seat 143, the valve port of intake valve 142 is opened gradually, the piston cavity 105 of 3# piston cylinder between 250 degree-270 degree in buffer status, 3# piston cylinder exhaust valve 118 when 250 spend is closed and is stopped exhaust, and the intake valve 142 of 3# piston cylinder starts to open preparation air inlet simultaneously.
As shown in figure 17, when bent axle 211 turns over 90 while spending again, bent axle 211 has rotated 360 degree.Intake cam 216 is controlled bearing 130 with the air inlet in 2# piston cylinder and is contacted promotion air inlet controlling rod 145, and then promote air inlet tappet 133 and promote air inlet driving members 134 and press air inlet and control and cover 135 and make intake valve 142 leave intake valve cover for seat 143, the valve port of intake valve 142 is opened gradually, the piston cavity 105 of 2# piston cylinder between 340 degree-360 degree in buffer status, 2# piston cylinder intake valve 142 when 360 spend starts to open preparation air inlet, 2# piston cylinder exhaust valve 118 when 360 spend is closed and is stopped exhaust, the exhaust valve 118 of 4# piston cylinder starts to open preparation exhaust simultaneously.
According to above-mentioned cyclic process, bent axle 211 constantly rotates, 1#, 2#, 3#, the periodic duty of 4# piston cylinder.
Last with reference to shown in figure 18-19, the structural representation of the lubrication system that Figure 18 is motor of the present invention.
(filled arrows direction is the direction that lubricant oil flows to Figure 18; Hollow arrow direction is parts sense of rotation), it shows the structural representation of a preferred embodiment of the oil-way system of miniature air power engine.This oil-way system comprises: the control system 100 of motor, crankshaft system 200, intake cam 216, exhaust cam 215, piston 18, air-inlet cavity 12, oil sump 317, this oil-way system also comprises with on crankshaft system 200 and is connected jerk fuel injection pump 400, utilize the pressure difference of air by the lubricant oil sucking-off in oil sump 317, then from oil road 311 ejections, and then the cavity of the control system 100 of motor, crankshaft system 200 and piston 18 is lubricated, the control system 100 directly over the body shell of jerk fuel injection pump 400 and motor is 45 degree directions and places.
Next consult Figure 19, it shows the sectional view of a preferred embodiment of jerk fuel injection pump 400 in oil-way system of the present invention.Jerk fuel injection pump 400 comprises upper pump casing 411, lower pump body 417, filler opening 413, oil outlet 412, outlet valve 415, outlet valve valve seat 410 and plunger 420.In upper pump casing 411, be provided with right side cavity 421 and left side cavity 422; Upper pump casing 411 links together by joint 416 and lower pump body 417; Joint 416 is provided with seal ring with upper pump casing 411 and lower pump body 417 joints.In right side cavity 421 and left side cavity 422, be equipped with outlet valve 415, outlet valve 415 is resisted against in outlet valve valve seat 410 by oil outlet valve spring 414; Right side cavity 421 communicates with filler opening 413, and left side cavity 422 communicates with oil outlet 412.Described lower pump body 417 is the inner housing that has cavity, and plunger 420 is placed in the cavity of lower pump body 417; Oil pump spring 418 is installed in the cavity of lower pump body 417, and by plunger 420, is resisted against the top of the cavity of lower pump body 417; The lower end of described plunger 420 is provided with roller 419.
Plunger 420 is comprised of plunger bushing (not mark) and plug core (not mark), plunger bushing is installed on lower pump body 417 and fixes, lower pump body 417 is sealed connected together by joint 416 with upper pump casing 411, and plug core moves up and down under the effect at intake cam 216.When plunger 400 is descending, filler opening 413 is opened, and the lubricant oil in oil sump 317 enters in right side cavity 421, intake cam 216 turns over several angle, plug core is up, and now plunger bushing, plug core top and outlet valve form confined space, and plunger continues up, the lubricating oil pressure of plunger inside raises, until be greater than after outlet valve 415 cracking pressures, from oil outlet 412, extrude, enter oil road 311 ejections, then intake cam 216 continues rotation, enters next circulation.
When motor enters pressurized air and starts working from air-inlet cavity 12, bent axle on crankshaft system 200 rotates counterclockwise, the intake cam 216 connecting by key on bent axle is also along with rotating counterclockwise of bent axle 211 rotated, at bent axle, turn over 75 while spending, lower pump body 417 upper rollers 419 of jerk fuel injection pump 400 slide into the basic circle disc of intake cam 216, owing to being provided with oil pump spring 418 in plunger 420, therefore the elastic force lower plunger 420 at oil pump spring 419 moves downward, air in upper pump casing 411 is drawn out of, the inner pressure difference that produces of upper pump casing 411, and then the outlet valve under filler opening 413 415 presses to the inner chamber of outlet valve valve seat 410, lubricant oil in oil sump 317 enters in the right side cavity 421 of upper pump casing 411 from the interior sucking-off of oil sump 317 filler opening 413 of flowing through by oil input channel 310 after fine cleaner 316 removal of impurities.
When intake cam 216 rotates after 240 degree, protruding disc and roller 419 on intake cam 216 are inconsistent, plunger 420 is moved upward, and oil pump spring 418 is compressed, and the extruding force of oil pump spring 418 presses to the lubricant oil in right side cavity 421 rapidly in the left side cavity 422 of upper pump casing 411.The outlet valve 415 that lubricant oil on the left of entering in cavity 422 backs down under oil outlet 412 is opened, and the lubricant oil in left side cavity 422 sprays through oil road 311 from oil outlet 412 discharge currents rapidly.
It is logical that lubricant oil in oil road 311 is divided into two path flow: a road is the oil duct 312 that makes progress, and another road is crankshaft lubrication oil duct 314.The oil duct 312 valve end in lubricating engine control system 100 first upwards, the lubricant oil getting off from valve end enters exhaust rocker arm 115, flows to successively exhaust tappet 114, air inlet tappet 133, intake cam 216, exhaust cam 215 and air inlet subsequently control bearing 130, exhaust control bearing 110 etc. along exhaust rocker arm.
The oil channel hole of lubricant oil in crankshaft lubrication oil duct 314 in bent axle 211 enters 313 pairs of piston rods of connecting rod lubrication oil duct (not mark) and is lubricated, and the lubricant oil of the piston rod of flowing through is lubricated piston rod and bent axle 211 surface of contact simultaneously; The piston cavity that the lubricant oil getting off from piston rod enters piston 18 is lubricated piston cavity.
Lubricant oil in oil road 310 is flowed through after upwards each component lubrication of oil duct 312 and 314 pairs of motors of crankshaft lubrication oil duct completes, and final lubricant oil falls in engine body shell 13, then gets back in oil sump by the return tube 315 of body shell 13 bottoms.During motor reciprocating rotation, oil-way system to each parts of motor according to above-mentioned greasing circulating lubrication.
Although at length disclose the present invention with reference to accompanying drawing, it should be understood that these descriptions are only exemplary, be not used for limiting application of the present invention.Protection scope of the present invention is limited by accessory claim, and can be included in pin various modification made for the present invention, remodeling and equivalents in the situation that does not depart from protection domain of the present invention and spirit.
Claims (10)
1. a miniature air power engine, it comprises:
Engine body (10), control system (100), crankshaft system (200), sprocket wheel (11), body shell (13), body end cap (16), main admission line (15), prop up suction tude (19), outlet pipe (20), cylinder body (21), it is characterized in that: also comprise air-inlet cavity (12), when the throttle of motor is opened, pressurized air enters air-inlet cavity (12) by main admission line (15) after heating plant heating, pressurized air in air-inlet cavity (12) is through suction tude (19) metering-in control system (100), and then the moving up and down of control piston cylinder inner carrier (18), drive the bent axle (211) in crankshaft system (200) to rotate simultaneously.
2. miniature air power engine as claimed in claim 1, is characterized in that: described engine body (10) is arranged on fixing frame (14).
3. miniature air power engine as claimed in claim 1, is characterized in that: described cylinder body (21) is four, and relatively main admission line (15) radial equipartition arrangement ringwise.
4. miniature air power engine as claimed in claim 1, is characterized in that: it is upper that described main admission line (15) is connected to air-inlet cavity (12), and air-inlet cavity (12) is provided with four suction tude (19).
5. the miniature air power engine as described in claim 1 or 4, is characterized in that: it is upper that one end of described suction tude (19) is connected to air-inlet cavity (12), and the other end is connected to the top of cylinder body (21).
6. miniature air power engine as claimed in claim 1, is characterized in that: described outlet pipe (20) is arranged on the side of cylinder body (21).
7. miniature air power engine as claimed in claim 1, is characterized in that: described control system (100) comprises gas handling system, vent systems, intake and exhaust fixed base (132).
8. miniature air power engine as claimed in claim 7, is characterized in that: described gas handling system comprises air inlet tappet (133), air inlet driving member (134), intake valve (142), admission line (144) and air inlet controlling rod (145).
9. miniature air power engine as claimed in claim 7, is characterized in that: described vent systems comprises exhaust controlling rod (112), exhaust tappet (114), exhaust rocker arm (115), exhaust duct (116) and exhaust valve (118).
10. miniature air power engine as claimed in claim 1, is characterized in that: described crankshaft system (100) comprises bent axle (211), positioning bearing (213), intake cam (216), exhaust cam (215) and crank (219).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111691925A (en) * | 2020-06-24 | 2020-09-22 | 张谭伟 | Air engine and air engine system like breathing air movement |
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| CN202325691U (en) * | 2011-10-18 | 2012-07-11 | 周登荣 | Compressed air engine assembly with compressed air supplement circuit |
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