CN2251625Y

CN2251625Y - One-stroke engine

Info

Publication number: CN2251625Y
Application number: CN 95250211
Authority: CN
Inventors: 符泽宇
Original assignee: Individual
Current assignee: Individual
Priority date: 1995-12-28
Filing date: 1995-12-28
Publication date: 1997-04-09
Anticipated expiration: 2005-12-28

Abstract

The utility model discloses an engine which is composed of a cylinder, a crankshaft, connecting rods, pistons, an ignition device, etc. The cylinder is composed of a combustion chamber and an air feed chamber, and the pistons are an upper piston and a lower piston which are connected with the crank shaft by the upper connecting rod and the lower connecting rod. The outer side of the cylinder is provided with an air distribution barrel, and air and gasified fuel oil are alternately sent into the upper space and the lower space of the combustion chamber. The upper portion and the lower portion of the combustion chamber work alternately to push the pistons to be moved in a reciprocating mode, and in every reciprocating process, a spindle completes once circumferential rotation. The utility model achieves the purpose that one cylinder can continuously output power. The utility model can not only decrease the engine volume, but also improve the efficiency.

Description

The one-stroke motor

The utility model belongs to a kind of engine technology, is that a kind of single cylinder engine of outputting power had continuously both improved engine efficiency, reduces volume and weight again.

General motor is the four-stroke formula, and for obtaining the continuous output of power, motor needs to be made of multi-cylinder, thereby certainly exists the big and baroque problem of volume; Its piston finish one reciprocal in service, must have an one way not do work, certainly will reduce engine efficiency.Usually, this motor is as the power of automobile or other large vehicle, big machinery, and is outstanding to the volume size requirements.And, then want cube little in light weight as the power engine that uses on motorcycle or the small farm tools that some are convenient for carrying.Both easy to use, can reduce cost again.

The purpose of this utility model provides cylinder of a kind of need can be to the one-stroke motor of the continuous outputting power of bent axle, i.e. the motor that the arbitrary stroke of piston in the cylinder in reciprocal running can both outputting power.

The scheme that realizes above-mentioned purpose is as follows:

Motor is by the cylindrical cylinder that piston is housed, the cylinder bottom is the crankcase that bent axle is housed, bent axle connects with piston rotation by connecting rod, spark plug is installed on the cylinder sidewall, cylinder has been installed fuel oil and combustion-supporting gas supply pipeline outward, and radiating fin also is installed on the cylinder outer wall, and cylinder inner cavity is divided into two-part up and down, top is that firing chamber, bottom are air supply chamber, and connecting rod is divided into parts such as connecting rod and lower link and constitutes; Key is to go up connecting rod to pass the middle isolation layer of cylinder inner cavity, and its upper end is installed and is used for pressure gas upper piston, and its lower end is installed and is used for compressed-air actuated lower piston; Upper piston is in the firing chamber, and the firing chamber is divided into two ones up and down, and lower piston is in the air supply chamber, and air supply chamber is divided into two ones up and down, and the upper end of lower link is rotationally connected with lower piston and last connecting rod formation thereof, and the lower end is rotationally connected with bent axle; Be positioned on the cylinder sidewall of the top of firing chamber and bottom, have suction port and following suction port, the top and the bottom that are positioned at air supply chamber have air supply opening and following air supply opening, and they are on the same vertical line; The cylinder outer side surface corresponding to these four advance, the position of air supply opening, a distribution tube is installed; The wheel of distribution tube lower end rotates contact with the convex-concave wheel that is installed on the bent axle, and distribution tube top is equipped with the bourdon tube that makes the distribution tube descending, has constituted to make the distribution tube do synchronous reciprocating mechanism with piston in the cylinder.Realized making on the distribution tube corresponding to suction port up and down and up and down four pores of air supply opening take concerted action the purpose of two space-alternatings confession combustion gas up and down to the firing chamber.

A wheel that is rotationally connected with the wheel of the convex-concave on the pto of bent axle is equipped with in the lower end that further scheme is the distribution tube, the open top of distribution tube, pore as the same suction port cooperating, on the sidewall of distribution tube, corresponding to the following suction port on the cylinder wall and the position of air supply opening up and down, have three pores, they have realized piston upper space and lower space in the firing chamber are replaced the mechanism of dispensing combustion gas jointly with the opening at distribution tube top.There is an interlayer at distribution tube inner chamber middle part, and distribution is divided into two-part with inner chamber, and top is the passage of mixed combustion gas to the firing chamber, the bottom be in the air supply chamber pressurized air to the passage of mixed pipe line.

Because last connecting rod navigates within the isolation layer in the middle of the cylinder inner cavity, the joining portion of the two may seal and not really tightly sternly cause small leak, and the phase mutual interference causes the motor cisco unity malfunction, and combustion gas and air are separated, and it is mixed outside cylinder, imports in the firing chamber again.Like this, have up and down two on the sidewall of the air supply chamber of cylinder bottom corresponding to the upper space of lower piston and the air inlet of lower space, respectively adorn a check valve of realizing replacing to the air supply chamber air feed in the ingress, be connected together with air-strainer by pipeline.

The fuel oil after the gasification and the pipeline of air mixing are installed in the outside of distribution tube bottom, be that the relevant position has an inlet that leads to mixed pipe line as the air of air supply chamber on distribution tube and the distribution jacket casing outer side wall, an outlet that enters the distribution tube as mixed combustion gas is connected together Carburetor and Liang Kou by pipeline.

Promptly can be made into the one-stroke motor of a continuous outputting power according to such scheme.Its working principle is back and forth in service at upper piston, and the suction port of cylinder head is sealed, and the combustion gas that enters top, firing chamber is compressed, and the firing chamber of upper piston bottom is communicated with relief opening, and waste gas is discharged.Simultaneously, following air inlet open, combustion gas enters the firing chamber of upper piston bottom; When piston is reduced to the gas pressure of firing chamber, top when lighting degree, last spark plug is lighted combustion gas, i.e. the firing chamber on piston top work.Piston is down motion at once, and is isolated with relief opening lower combustion chamber immediately, begins the combustion gas compression to lower combustion chamber, the distribution tube is operation downwards also, following suction port is closed, and the firing chamber, top is communicated with relief opening, combustion gas, subsequently, last suction port is opened again, begins into combustion gas, in this process, connecting rod promotes bent axle and runs to when the combustion gas in the lower combustion chamber lighted, and driving main shaft has changeed half cycle; Piston is upwards operation again, and the firing chamber, top cuts off gradually with the path of relief opening, and the distribution tube is up operation also, and last suction port is also closed gradually, and combustion gas therebetween is compressed gradually, and lower combustion chamber is communicated with relief opening, and waste gas is discharged, and combustion gas enters from following suction port; When piston is reduced to the gas pressure of firing chamber, top when lighting, connecting rod promotes bent axle and drives the rotation that main shaft is made a half cycle again under piston actuated; Back and forth finished a circular movement for such one.In the above-mentioned reciprocal running of upper piston, two air supply openings corresponding to air supply chamber on the distribution tube also alternately are opened and closed, by lower piston the air in its space, top and the bottom is extruded, through distribution tube and supply air line to the firing chamber air feed; Accordingly, two check valves on the air supply pipe road are also alternately sent into air to air supply chamber, finish above-mentioned work jointly.

The utility model has the advantages that the cooperating of air supply chamber and distribution tube, all be that the action of the same lower piston and connecting rod is synchronous under the driving of the main shaft that is connected as a single entity with bent axle, realized effectively providing combustible gas to the space-alternating up and down of the upper piston in the firing chamber, assurance firing chamber, top and lower combustion chamber are alternately lighted work, promoting piston drive crankshaft-link rod and main shaft thereof rotates, a to-and-fro motion, main shaft rotates a week, has realized the purpose of continuous outputting power.Thereby can reduce motor volume and weight, simplified structure is raised the efficiency.

Fig. 1, the utility model structural representation;

Check valve structural representation in Fig. 2, the air supply pipe road;

Spring seat structural representation in Fig. 3, the check valve;

Fig. 4 a, 4b, distribution barrel structure and working principle schematic representation.

Below in conjunction with accompanying drawing, as an embodiment, the utility model is described in further detail.

The utility model is made of cylinder, piston, crankshaft-link rod and fuel oil and air feed mechanism etc.Cylinder inner cavity is divided into firing chamber and air supply chamber two-part, by the circular movement of crankshaft-link rod with the piston to-and-fro motion in gas lumen becoming main shaft 2.Cylinder cylinder outer wall is shaped on radiating fin 20.

With reference to Fig. 1,4, cylinder inner cavity is split up into two-part up and down by interlayer 26; Top is the firing chamber, and the bottom is an air supply chamber.Interlayer 26 center drillings, last connecting rod 21 passes this hole, and hypomere is in the air supply chamber, and epimere is in the firing chamber.The affixed upper piston 18 in the upper end of last connecting rod 21, the affixed lower piston 28 in lower end compresses by seal ring 22 between last connecting rod and interlayer.The upper end of lower link 32 at lower piston 28 lower bottom part places, is rotationally connected by rotating shaft 29, and the lower end of lower link 32 connects with the main shaft 2 of bent axle 33.Bent axle 33 is contained in the crankcase 34.Perforate is as relief opening 19 on the side wall of combustion chamber, on a side the neutral position.Spark plug 17 is installed in position near cylinder head 16, by the position perforate of interlayer 26, spark plug 23 down is installed.The opposing party of sidewall of combustion chamber is having suction port 15 near cylinder cap 16 places, is having suction port 10 down near interlayer 26 places.On the sidewall of air supply chamber, a side has two holes up and down, and it is identical with following check valve 30, two check valve structures to install check valve 24 respectively; On check valve 24 and 30 the suction port, be connected with air-strainer 25 with pipeline.The opposing party of air supply chamber sidewall has air supply opening 27, following air supply opening 31.On cylinder outer wall, on the line near

suction port

15,10 and air supply opening 27,31 places, the jacket casing 13 of the bourdon tube 12 of distribution tube 14 and the action of promotion distribution tube promptly is installed in advance.In the outside of crankcase 34, the protective housing of convex-concave wheel is housed, convex-concave wheel 1 just is contained on the part that main shaft 2 goes out from the crankcase Shen.Distribution tube 14 is the pipe shape, and its upper end open with last suction port 15 cooperatings of firing chamber, is the path that combustion gas enters top, firing chamber; Distribution tube middle part open near the position of suction port 10 down one pass distribution tube two side to through hole 9, it be the distribution tube alternately up and down

suction port

15,10 path of combustion gas is provided; Near to through hole 9, distribution tube intermediate interlayer 6 below, by air supply chamber sidewall one side, open the pore 43 that the last air supply opening 27 of air supply chamber together matches; Open through hole 5 bottom of distribution tube, and air supply opening 27,31 entered the passage of supply air line 7 about this outside to through hole was born, its inboard inlet that enters the distribution tube for following air supply opening 31.Wheel 3 is installed in distribution tube bottom, and wheel 3 rotates contact with the convex-concave wheel.Distribution tube top pocketed springs pipe 12, bourdon tube 12 lower ends are fixed together with its base 11, and base 11 is enclosed within on the distribution drum outer wall, and the two fixes as one.The Lower Half of the outer wall of distribution jacket casing 13 is opened two mouthfuls up and down respectively, and this size of two mouthfuls will guarantee the distribution tube in to-and-fro motion, is communicated with supply air line all the time to through hole 9 with to through hole 5.At two oral areas sealed interface 4 is installed again, by pipe with Carburetor 8 herewith two interfaces 4 be communicated with.So promptly make an one-stroke motor.

With reference to Fig. 1,2,3, the control air alternately enters air supply chamber in the air pipe line check valve 24 or 30 valve seat 38, Valve plug 37, the holders for valve spring 41 that connect mouth by band constitute, valve seat is similar to bell shape, and its bottom sides is along being shaped on four engaging lugs 40 that have screw 39; Four engaging lugs are produced on four points of quartering circumference; Be used for check valve is fixed in the cylinder outer wall of air supply chamber position.Holder for valve spring 41 is circular, is installed on the concave station of valve seat 24 inner chamber end openings, and there is the small circle ring of mounting spring sleeve pipe 35 in its central authorities, by three connection straps, in the position of trisection circumference, inside and outside two annulus is connected into a disc.The lower end of spring housing 35 is installed in the small circle ring, spring 36 be enclosed within pogo barrel 35 the periphery; The lower end of spring 36 also is fixed on the outer wall of spring housing.Valve plug is made of positioning rod 42 and Men Sai 37 two-part, and a plug 37 is round table-like, makes of flexible material, is convenient to the suction tude contact tightly sternly turn-off air-flow effectively.Positioning rod 42 is fixed in the center of plug 37, is inserted in the spring housing 35, makes whole Valve plug can do reciprocal operation in pogo barrel, and Off center not.

With reference to Fig. 1 and Fig. 4 a, under the drive of engine piston and crankshaft-link rod, convex-concave wheel 1 promote the upwards operation of distribution tube, and spring 12 will promote the distribution tube and move downward with main shaft 2 rotations when leaving the protuberance of convex-concave wheel when wheel 3.Its working procedure is: when the wheel 3 of distribution tube lower end forwards in the process of recess of convex-concave wheel, it just is the piston process of operation downwards, be that the distribution tube is descending, the air supply opening 31 of air supply chamber bottom is opened gradually, when wheel 3 is in the recess of convex-concave wheel 1, following air supply opening 31 is in full open position, distribution tube bottom through hole 5 is communicated with fully with following air supply opening 31, piston also runs to nadir, air supply opening 27 on this moment, the pore 43 at following suction port 10 and distribution tube middle part is by complete closed, and distribution tube the same suction port 15 suitable for reading is communicated with, and outlet pipe 19 is opened top, firing chamber waste gas and discharged; The air that is in the air supply chamber bottom is extruded fast, and 7 atomized fuels that come out with Carburetor mix on distribution tube top by the road, enter top, firing chamber through suction port 15.With reference to Fig. 1 and Fig. 4 b, in service fast at piston and connecting rod, wheel 3 forwards in the process of protuberance of convex-concave wheel 1, and the convex-concave wheel promotes the distribution tube and moves upward, and following air supply opening 31, goes up suction port 15 and all is closed, and suction port 10, go up air supply opening 27 and be opened; Outlet pipe 19 is sealed by upper piston 18 with the path on top, firing chamber, and the following check valve 30 in the air pipe line is opened, and last check valve 24 is closed; Pore 43 the same air supply openings 27 on the distribution tube are communicated with, and go up through hole 9 is communicated with following suction port 10.So the air 44 on air supply chamber top is forced out, from last air supply opening 27, the pore 43 through distribution tube middle part enters in the distribution tube, downwards operation, warp is down to through hole 5 outsides again, enter in the pipeline 7, the atomized fuel that comes out with Carburetor mixes again, mixed combustion gas through last to through hole 9 and following suction port 10, enter the bottom, firing chamber, and the original waste gas in bottom, firing chamber also when piston upwards moves, makes the bottom, firing chamber be communicated with outlet pipe 19 and discharges.The protuberance that leaves convex-concave wheel 1 when the wheel 3 of distribution tube bottom is positioned at the spring 12 on distribution tube top in the recess running, again the distribution tube is pushed away toward descending.Continuous like this replace be pressed into combination gas to the firing chamber, make piston in service up and down reciprocatingly, alternate compression enters the combination gas of top and the bottom, firing chamber, when protuberance that is in convex-concave wheel 1 when wheel 3 and recess, spark plug 17,23 is alternately lighted combustion gas up and down, makes piston reciprocating continuously, thereby promote crankshaft ﹠ connecting and drive main shaft 2 rotations, each reciprocal process is finished circular movement one time, so can continuous outputting power.

With reference to Fig. 1, if last connecting rod 21 is tight tight with the joining portion sealing of 26 of the interlayers in the cylinder inner cavity, can prevent effectively that combustion gas in the firing chamber, top from bleeding in the air feed of bottom, then Carburetor can be directly installed in the air-strainer pipeline, fuel oil and air just can fully be mixed in air supply chamber, be pressed onto again in the distribution tube, alternately send into the top and the bottom of combustion chamber by the distribution tube.Like this, the pipeline 7 that install in the distribution tube outside and connect mouth 4 etc. accordingly all can be cancelled, and device is changed between more, and is lighter.Be particularly suited for the light-duty traffic tool of motor vehicle or be suitable on other machinery that manpower carries, the machine that is used as power uses, light-duty cereal threshing machine of using as the peasant or the single suction engine that can move etc.

Claims

1, a kind of one-stroke motor, by the cylindrical cylinder that piston is housed, the cylinder bottom is the crankcase (34) that bent axle (33) are housed, bent axle connects with piston rotation by connecting rod, and spark plug (17), (23) are installed on the cylinder sidewall, and cylinder has been installed fuel oil and combustion-supporting gas supply pipeline outward, radiating fin (20) also is installed on the cylinder outer wall, cylinder inner cavity is divided into two-part up and down, and top is that firing chamber, bottom are air supply chamber, and connecting rod is divided into connecting rod (21) and lower link parts such as (32) constitute; It is characterized in that connecting rod (21) passes the middle isolation layer (26) of cylinder inner cavity, its upper end is installed and is used for pressure gas upper piston (18), and its lower end is installed and is used for compressed-air actuated lower piston (28); Upper piston (18) is in the firing chamber, and the firing chamber is divided into two ones up and down, and lower piston (28) is in the air supply chamber, and air supply chamber is divided into two ones up and down, and the same lower piston in upper end (28) of lower link (32) and last connecting rod (21) formation thereof are rotationally connected; Be positioned on the cylinder sidewall of the top of firing chamber and bottom, have suction port (15) and following suction port (10), the top and the bottom that are positioned at air supply chamber have air supply opening (27) and following air supply opening (31), and they are on the same vertical line; The cylinder outer side surface corresponding to these four advance, the position of air supply opening installs a distribution tube (14); The wheel (3) of distribution tube (14) lower end rotates contact with the convex-concave wheel (1) that is installed on the bent axle, and distribution tube top is equipped with the bourdon tube (12) that makes the distribution tube descending, has constituted to make the distribution tube do synchronous reciprocating mechanism with piston in the cylinder.

2, motor according to claim 1, the wheel (3) that the convex-concave wheel (1) on the pto with bent axle (2) is rotationally connected is equipped with in the lower end that it is characterized in that the distribution tube, the open top of distribution tube (14), pore as the same suction port (15) cooperating, on the sidewall of distribution tube (14), corresponding to following suction port (10) on the cylinder wall and air supply opening (27) up and down, (31) position, have three pores, they have realized the mechanism that upper space and lower space to piston in the firing chamber (18) replace the dispensing combustion gas jointly with the opening at distribution tube top.

3, motor according to claim 1, it is characterized in that having on the sidewall of air supply chamber of cylinder bottom up and down two corresponding to the upper space of lower piston (28) and the air inlet of lower space, respectively adorn one in the ingress and realize replacing, be connected together by the same air-strainer of pipeline (25) to check valve (24), (30) of air supply chamber air feed.

4, motor according to claim 1, it is characterized in that the relevant position has an inlet that leads to mixed pipe line as the air of air supply chamber on distribution tube (14) and distribution jacket casing (13) outer side wall, an outlet that enters distribution tube (14) as mixed combustion gas is connected together Carburetor (8) and two mouthfuls by pipeline (7).