CN101566098A - Four-stroke universal gasoline engine - Google Patents
Four-stroke universal gasoline engine Download PDFInfo
- Publication number
- CN101566098A CN101566098A CNA2009100278711A CN200910027871A CN101566098A CN 101566098 A CN101566098 A CN 101566098A CN A2009100278711 A CNA2009100278711 A CN A2009100278711A CN 200910027871 A CN200910027871 A CN 200910027871A CN 101566098 A CN101566098 A CN 101566098A
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- connecting rod
- cylinder body
- cylinder block
- gasoline engine
- right cylinder
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- Lubrication Of Internal Combustion Engines (AREA)
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Abstract
The invention discloses a four-stroke universal gasoline engine, which comprises a crank shaft with a crank; the left side and the right side of the crank shaft are provided with a cylinder body respectively; the centerlines of the left cylinder body and the right cylinder body are in the same axis; the insides of the left cylinder body and the right cylinder body are provided with a connecting rod respectively; and the connecting rod in the left cylinder body and the connecting rod in the right cylinder body are arranged on the same crank. The sides of the left cylinder body and the right cylinder body are provided with an intake valve and an exhaust valve respectively. The four-stroke universal gasoline engine has the advantages of small vibration, low noise and more stable operation; the four-stroke universal gasoline engine adopts the valve arrangement of a lateral-mounting type to have more compact integrated structure and smaller appearance dimension; when the gasoline engine operates, the constant cubage of a crankcase makes the splashing and lubricating effect more excellent; the normal operation of the engine is not influenced when the plane of engine oil is at any position; and the application range of the gasoline engine is greatly increased.
Description
Technical field
The present invention relates to a kind of general gasoline engines, is a kind of four-stroke universal gasoline engine specifically.
Background technique
Existing four-stroke twin-tub general gasoline engines is V cylinder or cylinder in upright arrangement, its power range at 14HP between the 25HP, be valve overhead type motor, and be double crank mechanism, caused the motor volume bigger, complete machine is relatively heavier, its center of gravity is higher, and vibrating noise is bigger, and needs cylinder sleeve could solve the wear of piston-rings problem in the cylinder, this has directly influenced its universal performance, can't extensive use.
Summary of the invention
Goal of the invention: the objective of the invention is provides the four-stroke universal gasoline engine that a kind of performance is more stable, noise vibration is littler, volume is littler, lubrication effect is better and versatility is stronger in order to overcome the deficiencies in the prior art.
Technological scheme: in order to solve the problems of the technologies described above, the technical solution adopted in the present invention is: a kind of four-stroke universal gasoline engine, comprise the bent axle that has crank, the left and right sides at bent axle is provided with cylinder block respectively, the center line of left and right cylinder block is on same axis, be respectively equipped with connecting rod in the left and right cylinder block, connecting rod in the left cylinder block and the connecting rod in the right cylinder block are installed on the same crank.Adopt this programme to make a crank drive the cylinder block work of two horizontal coaxial arrangement, its structure meets the mechanical motion principle more, single order and second-order inertia power can both obtain complete equilibrium during two cylinder workings, and this petrol engine vibration is little, noise is low, more stable work thereby make; Single crank connects two connecting rods, its crankshaft length shortens, dwindled the volume of crankcase greatly, make the splash lubrication better effects if, add piston motion 180 degree at interval, crankcase pressure is in pressure constant state always, has solved this petrol engine installation direction restricted problem like this, no matter vertically output shaft still level installation, and this petrol engine all can proper functioning.
The angle of described left cylinder block inside connecting rod and right cylinder block inside connecting rod is 180 degree, can make connecting rod, crank-motion like this in same plane.
Be respectively equipped with intake valve and exhaust valve in the side of described left and right cylinder block, can save the cylinder head part like this, thereby make volume of the present invention reduce.
On the ear end face of described bent axle, be provided with flywheel, magnet steel is installed on flywheel, be respectively equipped with spark coil in the flywheel both sides.Described magnet steel is one, and the setting angle of spark coil is 180 degree.For firing time, the firing time interval of left cylinder block and right cylinder block is 180 Shaft angles of writing music, and this scheme has been saved cost of production.
This four-stroke universal gasoline engine also comprises a Carburetor, adopts single carburetor oil-supply system, makes complete machine work more stable.
Beneficial effect: compared with prior art, advantage of the present invention is to make that the vibration of this petrol engine is little, noise is low, more stable work; Adopt side-mounted valve to arrange and can make complete machine structure compacter, apparent size is littler; Petrol engine constant crankcase volume of when work makes the splash lubrication effect better, and the machine oil plane does not influence the proper functioning of motor in any position, increase its application area greatly.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Air distribution structure schematic representation among Fig. 2 the present invention.
Air inlet system and exhaust system structural representation among Fig. 3 the present invention.
Embodiment
The present invention is described in further detail below in conjunction with accompanying drawing.
As shown in Figure 1 to Figure 3, four-stroke universal gasoline engine of the present invention, it comprises the bent axle 2 that has crank 7, the left and right sides at bent axle 2 is provided with cylinder block 1 respectively, the center line of left and right cylinder block 1 is on same axis, be respectively equipped with connecting rod 8 in the left and right cylinder block 1, the connecting rod 8 in the connecting rod 8 of left cylinder block 1 and the right cylinder block 1 is installed on the same crank 7, and left and right cylinder block 1 is that the center line horizontal symmetrical distributes with bent axle 2.The connecting rod 8 in the left side cylinder block 1 and the angle of the connecting rod 8 in the right cylinder block 1 are 180 degree.Be respectively equipped with intake valve 3 and exhaust valve 4 in the side of left and right cylinder block 1.Connecting rod 8 in the left side cylinder block 1 is called left connecting rod, and the connecting rod 8 in the right cylinder block 1 is called right connecting rod.
Igniting system comprises a magnet steel 9 and two spark coils 10, and magnet steel 9 is arranged on the flywheel 5, and two spark coils 10 are distributed in the both sides of flywheel 5 and are 180 degree to be arranged.Left and right cylinder block 1 is an one with crankcase, adopts all aluminium alloy structure, can save the cylinder sleeve part like this.
The major part of left side connecting rod 8 and right connecting rod 8 is installed on the crank 7, and left connecting rod 8 and right connecting rod 8 major part circular holes are concentric, left side connecting rod 8 is installed in the major part circular hole of right connecting rod 8, right connecting rod 8 covers 11 fastening assemblings by left connecting rod cap 11 and right connecting rod, and left connecting rod cap 11 and right connecting rod lid 11 is distributed in the both sides of left connecting rod 8, the microcephaly who has guaranteed left connecting rod 8 and right connecting rod 8 like this to the distribution of forces of piston 17 on the center line of left cylinder block and right cylinder block; Left side connecting rod 8 and right connecting rod 8 are connected on the crank 7, and left connecting rod 8 is installed in the inside, major part space of right connecting rod 8, have reduced the length of crank, have also dwindled the volume of engine crankcase simultaneously, and make wrist pin 21 stressed even; Connecting rod 8, piston 17, crank 7 motions are in same plane.This petrol engine is by fan 12 and wind scooper 13 countercylinder head part cooling simultaneously.
The left and right sides at bent axle 2 also is respectively equipped with camshaft 14, cam wheel 16 is installed on camshaft 14, left side camshaft 14 and right camshaft 14 are controlled the work of left cylinder block 1 and right cylinder block 1 respectively, timing gear 15 are located by connecting with bent axle 2, left side cam wheel 16 and right cam wheel 16 and timing gear 15 engagements, drive the motion of two cylinder valves simultaneously, distribution device is by left camshaft 14, right camshaft 14, tappet 18, intake valve 3, exhaust valve 4, valve spring 19, cotter seat 20 is formed, and side arrangement is on a left side, on the right cylinder block, intake valve 3, exhaust valve 4 is connected with camshaft 14 respectively by tappet 18, because left connecting rod 8 and right connecting rod 8 are connected on the crank 7, make left cylinder block and right cylinder block port timing differ 180 degree.The valve side makes motor save the cylinder head part, can reduce the inside and outside volume of motor thus.
Arrange a magnet steel 9 on the flywheel 5, spark coil 10 is distributed in the both sides of flywheel 5 and is 180 degree and arranges, for firing time, the firing time interval of left cylinder block and right cylinder block is 180 Shaft angles of writing music.
Gas handling system and vent systems are about this petrol engine central shaft symmetric arrangement, and left cylinder block and right cylinder block exhaust all enter muffler 22, repeatedly stream the back and enter atmosphere from same relief opening 23 in baffler 22.
Gas handling system comprises that a Carburetor 6, air filter system 24, suction tude 25, air inlet connect three-way pipe 26 and be installed in one-way cock 27 on the suction tude 25 respectively.Because during the work of two cylinder blocks, aspirating stroke differs 180 degree, in order to realize single Carburetor stable operation, one-way cock 27 is set on suction tude 25, one-way cock 27 is opened under suction function, mixed gas enters admission line smoothly, makes Carburetor 6 be the single cylinder fuel feeding, has so just reduced the technical requirements to Carburetor.Single carburetor oil-supply system makes complete machine work more stable, and the admission gear of one-way valve makes complete machine air inlet effect better, and the gas handling system cost is reduced.
The above only is a preferred implementation of the present invention.Should be pointed out that for the person of ordinary skill of the art under the prerequisite that does not break away from the principle of the invention, can also make some modification and improvement, these also should be considered as belonging to protection scope of the present invention.
Claims (5)
1, a kind of four-stroke universal gasoline engine, it is characterized in that: comprise the bent axle (2) that has crank (7), in the left and right sides of bent axle (2) cylinder block (1) is set respectively, the center line of left and right cylinder block (1) is on same axis, be respectively equipped with connecting rod (8) in the left and right cylinder block (1), connecting rod (8) in the left cylinder block (1) and the connecting rod (8) in the right cylinder block (1) are installed on the same crank (7).
2, four-stroke universal gasoline engine according to claim 1 is characterized in that: the angle of (1) connecting rod (8) and right cylinder block (1) inside connecting rod (8) is 180 degree in the described left cylinder block.
3, four-stroke universal gasoline engine according to claim 1 is characterized in that: be respectively equipped with intake valve (3) and exhaust valve (4) in the side of described left and right cylinder block (1).
4, four-stroke universal gasoline engine according to claim 1 is characterized in that: be provided with flywheel (5) on the ear end face of described bent axle (2), go up at flywheel (5) magnet steel (9) is installed, be respectively equipped with spark coil (10) in flywheel (5) both sides.
5, four-stroke universal gasoline engine according to claim 4 is characterized in that: described magnet steel (9) is one, and the setting angle of spark coil (10) is 180 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2009100278711A CN101566098A (en) | 2009-05-18 | 2009-05-18 | Four-stroke universal gasoline engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2009100278711A CN101566098A (en) | 2009-05-18 | 2009-05-18 | Four-stroke universal gasoline engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101566098A true CN101566098A (en) | 2009-10-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2009100278711A Pending CN101566098A (en) | 2009-05-18 | 2009-05-18 | Four-stroke universal gasoline engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101566098A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016110073A1 (en) * | 2015-01-08 | 2016-07-14 | 武汉富国发动机科技有限公司 | Internal combustion engine |
| CN107939521A (en) * | 2016-10-13 | 2018-04-20 | 浙江派尼尔科技股份有限公司 | Two-stroke flat twin |
| CN109404181A (en) * | 2018-12-27 | 2019-03-01 | 成都纵横大鹏无人机科技有限公司 | Inlet duct and unmanned plane |
| CN113074042A (en) * | 2021-04-21 | 2021-07-06 | 邱文化 | Four-stroke engine |
-
2009
- 2009-05-18 CN CNA2009100278711A patent/CN101566098A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016110073A1 (en) * | 2015-01-08 | 2016-07-14 | 武汉富国发动机科技有限公司 | Internal combustion engine |
| CN107939521A (en) * | 2016-10-13 | 2018-04-20 | 浙江派尼尔科技股份有限公司 | Two-stroke flat twin |
| CN109404181A (en) * | 2018-12-27 | 2019-03-01 | 成都纵横大鹏无人机科技有限公司 | Inlet duct and unmanned plane |
| CN113074042A (en) * | 2021-04-21 | 2021-07-06 | 邱文化 | Four-stroke engine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20091028 |