CN202510215U - Double-cylinder two-stroke engine - Google Patents
Double-cylinder two-stroke engine Download PDFInfo
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- CN202510215U CN202510215U CN2012200939228U CN201220093922U CN202510215U CN 202510215 U CN202510215 U CN 202510215U CN 2012200939228 U CN2012200939228 U CN 2012200939228U CN 201220093922 U CN201220093922 U CN 201220093922U CN 202510215 U CN202510215 U CN 202510215U
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- stroke engine
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Abstract
The utility model relates to a double-cylinder two-stroke engine. The double-cylinder two-stroke engine comprises a main cylinder and an auxiliary cylinder, wherein the main cylinder is used for detonation and venting, the auxiliary cylinder is used for air inflow and compression, resistance caused by compression is effectively reduced, power is increased, and meanwhile oil-consumption is reduced, thereby achieving a function of environment protection. A third gear is arranged on a camshaft of the auxiliary cylinder. The main cylinder provides power for the auxiliary cylinder through a timing chain. Due to the fact the power is amplified by going to the third gear arranged on the auxiliary gear after passing through a second gear arranged on the main gear, output motive power and power is increased correspondingly. Besides, the main cylinder and the auxiliary cylinder of the double-cylinder two-stroke engine act synchronously, a working cycle can be completed after a bent axle rotates 360 degrees, and the power of the double-cylinder two-stroke engine is much higher than a common four-stroke engine.
Description
Technical field
The utility model book relates to engine art, more specifically, relates to a kind of twin-tub two stroke engine.
Background technique
Available engine mainly comprises two stroke engine and four stroke engine; Two stroke engine is accomplished a merit circulation piston two strokes that need move; Four stroke engine is accomplished a merit circulation piston four strokes that need move; But both to have a common point be that engine compression ratio is big more, resistance is big more, and then the oil consumption of motor also improves relatively.And just between the two, the four stroke engine lubrication system is comparatively accurate, and sustainable service time is longer, but its structure is comparatively complicated; Two stroke engine is simple in structure, and is light, cheap for manufacturing cost; Have bigger thrust weight ratio, but its incomplete combustion can produce more waste gas.
The model utility content
The purpose of the utility model overcomes the deficiency of existing technology exactly, and a kind of twin-tub two stroke engine is provided, and said motor can reduce resistance on the one hand, reduces oil consumption, and output power is significantly improved on the other hand.
In order to achieve the above object, adopt following technological scheme:
A kind of twin-tub two stroke engine comprises:
Master cylinder; Said master cylinder comprise first camshaft, first piston with the bent axle that is connected with first piston through connecting rod; Said master cylinder is provided with intake valve, exhaust valve, spark plug and oil nozzle, and said intake valve links to each other with first camshaft through first rocking arm with exhaust valve, also comprises:
Secondary cylinder; Said secondary cylinder comprises second camshaft and second piston; Connect through second rocking arm between said second piston and second camshaft, secondary cylinder is provided with suction port and relief opening, and said second camshaft comprises four cam heads that are uniformly distributed on the second camshaft axle center cross section;
With coaxial first gear that is connected with of said first camshaft; With coaxial second gear that is connected with of bent axle; With coaxial the 3rd gear that is connected with of second camshaft; Connect through annular chain belt between said first gear and second gear, the rule chain connects when passing through between said second gear and the 3rd gear, and the intake valve of said master cylinder links to each other with the relief opening of secondary cylinder.
Further; The intake valve position of said master cylinder is provided with the compressed gas reservoir chamber; Said compressed gas reservoir chamber one end is through the firing chamber of intake valve connection master cylinder, and the other end is communicated with the direction conducting of said first one-way valve along secondary cylinder to master cylinder through first one-way valve with the relief opening of secondary cylinder.
Further, said suction port place is provided with second one-way valve, and said second one-way valve gets into the direction conducting of secondary cylinder along the outside.
Again further, said second piston comprises piston rod, and an end of the said piston rod and second rocking arm is hinged, and said upper cover of piston rod is connected to return spring.
Also further, the velocity ratio between said first gear and second gear is 1: 1, and the velocity ratio between said second gear and the 3rd gear is 1: 4.
As a kind of specific embodiment, the number of teeth of said first gear and second gear is 17, and the number of teeth of said the 3rd gear is 68.
Compared with prior art, the beneficial effect of the utility model exists:
Adopt the twin-tub structure, wherein master cylinder is responsible for accomplishing detonation and exhaust, and secondary cylinder is responsible for accomplishing air inlet and compression, has reduced the resistance that compression forms effectively, when improving power, has lowered oil consumption, and the effect of energy-conserving and environment-protective is arranged; The 3rd gear is installed on secondary cylinder camshaft, master cylinder through the time rule chains be that secondary cylinder provides power because this power is through the amplification of second gear to the, three gears, so the corresponding increase of its outputting power and power; In addition, the utility model said twin-tub two stroke engine master cylinder and secondary cylinder synchronization motion, crankshaft rotating 360 is promptly accomplished a work cycle, and its power is much larger than common four stroke engine,
Description of drawings
Fig. 1 is the said twin-tub two stroke engine of the utility model stroke conversion critical state one schematic representation.
Fig. 2 is the said twin-tub two stroke engine of the utility model stroke conversion etherealness state two schematic representation.
Among the figure: the 100-master cylinder; The secondary cylinder of 200-; 1-first rocking arm; The 2-exhaust valve; The 3-spark plug; 4-first relief opening; The 5-first piston; The 6-connecting rod; 7-annular chain belt; The 8-bent axle; 9-second gear; Rule chain during 10-; 11-first gear; 12-first camshaft; The 13-intake valve; 14-first one-way valve; 15-compressed gas reservoir chamber; The 21-relief opening; The 22-suction port; 23-second piston; The 24-return spring; 25-second rocking arm; 26-second camshaft; The 261-cam head; 27-the 3rd gear; 28-second one-way valve; 29 damp blocks;
Embodiment
Referring to accompanying drawing and specific embodiment, the utility model is further specified:
Referring to Fig. 1-Fig. 2, the described a kind of twin-tub two stroke engine of the utility model comprises:
With said first camshaft, 12 coaxial first gears 11 that are connected with; With bent axle 8 coaxial second gears 9 that are connected with; With second camshaft, 26 coaxial the 3rd gears 27 that are connected with; Connect through annular chain belt 7 between said first gear 11 and second gear 9, rule chain 10 connects when passing through between said second gear 9 and the 3rd gear 27, and the intake valve of said master cylinder 100 links to each other with the relief opening of secondary cylinder 200.
In the present embodiment, intake valve 13 positions of said master cylinder 100 are provided with compressed gas reservoir chamber 15, and said compressed gas reservoir chamber 15 1 ends connect the firing chamber of master cylinder 100 through intake valve 13; The other end is communicated with the relief opening of secondary cylinder 200 through first one-way valve 14; The direction conducting of said first one-way valve 14 along secondary cylinder 200 to master cylinder 100, said suction port 22 places are provided with second one-way valve 28, and said second one-way valve 28 is along the outside direction conducting that gets into secondary cylinder 200; Said first one-way valve 14 and second one-way valve 28 all adopt the form that is articulated in cylinder body to control the one-way flow of air-flow; Above-mentioned second piston 23 comprises piston rod, and an end of the said piston rod and second rocking arm 25 is hinged, and said upper cover of piston rod is connected to return spring 24; Velocity ratio between said first gear 11 and second gear 9 is 1: 1; Velocity ratio between said second gear 9 and the 3rd gear 27 is 1: 4, and the number of teeth of said first gear 11 and second gear 9 is 17, and the number of teeth of said the 3rd gear 27 is 68.
Based on said structure, the working principle of the said twin-tub two stroke engine of the utility model is following:
The said motor of the utility model has two cylinders; Wherein master cylinder 100 is responsible for explosion stroke and exhaust stroke; Secondary cylinder 200 is responsible for air inlet and compression stroke; The action of master cylinder 100 and secondary cylinder 200 is carried out synchronously, and wherein to do intake stroke corresponding for the explosion stroke of master cylinder 100 and secondary cylinder 200, and the exhaust stroke of master cylinder 100 is corresponding with the compression stroke of secondary cylinder 200.Specifically, this engine working process can be divided into the next stage:
1, in the phase I; First piston 5 from top to bottom moves and drives bent axle and rotates 180 degree; Secondary cylinder piston is carried out intake stroke from top to bottom; When motor starts for the first time, owing to do not have burning mixture in the compressed gas reservoir chamber 15 through compression, so master cylinder 100 interior and non-detonatings in this process.
2, second stage; First piston 5 is done exercises from the bottom to top and is driven bent axle 8 and continues the Rotate 180 degree along original direction; Master cylinder 100 is carried out exhaust stroke; Second piston carries out compression stroke from the bottom to top, is compressed to compressed gas reservoir chamber 15 to the inflammable mixture in the secondary cylinder 200 and waits for formal jet work.
3, the phase III; Through phase I and second stage, bent axle has rotated through first 360 °, and the combustible gas mixture after the compression has then been arranged in the compressed gas reservoir chamber 15; When first piston 5 and second piston 23 arrive top dead center simultaneously (referring to Fig. 1); Intake valve 13 is in time opened, then inflammable mixture moment of 15 li of compressed gas reservoir chambers jet to the firing chamber of first cylinder 100, spark plug 3 is lighted mixed gas simultaneously; Mixed gas rapid explosive combustion in the firing chamber of master cylinder 100 then; After gaseous combustion was expanded, the promotion that first piston 5 tops receive pressurized gas moved to lower dead center (referring to Fig. 2) by top dead center, accomplished the explosion stroke of master cylinder 100.
4, stage; Because inertia; When first piston 5 and second piston 23 moved to top dead center by lower dead center again, the waste gas of first piston 5 after master cylinder 100 internal combustion was discharged through exhaust valve 2, and secondary second piston 23 is compressed to the compressed gas reservoir chamber to the interior inflammable mixture of secondary cylinder and prepares for next circulation stroke for 15 li simultaneously; Go round and begin again, constantly circulation produces power.
Description through above process is visible, and its bent axle 8 of the described twin-tub two stroke engine of the utility model revolves three-sixth turn promptly accomplishes a merit circulation, and its power is suitable with common two stroke engine, much larger than the conventional, four-stroke motor of identical cylinder diameter; Simultaneously, common two stroke engine is drained unburned mixed gas when exhaust, and in this twin-tub two stroke engine, inflammable gas fully burns, and has environment protection effect.In addition; Compare with common four stroke engine, this twin-tub two stroke engine can also change the compression ratio of air pressure stroke, and increases the gear ratio through 1: 4 second camshaft 26; Make secondary cylinder outputting power increase; Corresponding compression ratio increases, and resistance is reduced, and has finally realized high power, the characteristics of hanging down oil consumption, high environmental-protecting performance.
Should be appreciated that; The content that above specific embodiment is announced is merely the part preferred version of the utility model; Every technological scheme, meet the technical spirit of the utility model, belong to those skilled in the art and need not to carry out the protection domain that enforcement that creative work can obtain all should belong to the utility model based on the utility model.
Claims (6)
1. twin-tub two stroke engine comprises:
Master cylinder; Said master cylinder comprise first camshaft, first piston with the bent axle that is connected with first piston through connecting rod; Said master cylinder is provided with intake valve, exhaust valve, spark plug and oil nozzle; Said intake valve links to each other with first camshaft through first rocking arm with exhaust valve, it is characterized in that, also comprises:
Secondary cylinder; Said secondary cylinder comprises second camshaft and second piston; Connect through second rocking arm between said second piston and second camshaft, secondary cylinder is provided with suction port and relief opening, and said second camshaft comprises four cam heads that are uniformly distributed on the second camshaft axle center cross section;
With coaxial first gear that is connected with of said first camshaft; With coaxial second gear that is connected with of bent axle; With coaxial the 3rd gear that is connected with of second camshaft; Connect through annular chain belt between said first gear and second gear, the rule chain connects when passing through between said second gear and the 3rd gear, and the intake valve of said master cylinder links to each other with the relief opening of secondary cylinder.
2. twin-tub two stroke engine as claimed in claim 1; It is characterized in that; The intake valve position of said master cylinder is provided with the compressed gas reservoir chamber; Said compressed gas reservoir chamber one end is through the firing chamber of intake valve connection master cylinder, and the other end is communicated with the direction conducting of said first one-way valve along secondary cylinder to master cylinder through first one-way valve with the relief opening of secondary cylinder.
3. twin-tub two stroke engine as claimed in claim 2 is characterized in that, said suction port place is provided with second one-way valve, and said second one-way valve gets into the direction conducting of secondary cylinder along the outside.
4. twin-tub two stroke engine as claimed in claim 3 is characterized in that, said second piston comprises piston rod, and an end of the said piston rod and second rocking arm is hinged, and said upper cover of piston rod is connected to return spring.
5. twin-tub two stroke engine as claimed in claim 4 is characterized in that, the velocity ratio between said first gear and second gear is 1: 1, and the velocity ratio between said second gear and the 3rd gear is 1: 4.
6. twin-tub two stroke engine as claimed in claim 5 is characterized in that, the number of teeth of said first gear and second gear is 17, and the number of teeth of said the 3rd gear is 68.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200939228U CN202510215U (en) | 2012-03-13 | 2012-03-13 | Double-cylinder two-stroke engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200939228U CN202510215U (en) | 2012-03-13 | 2012-03-13 | Double-cylinder two-stroke engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202510215U true CN202510215U (en) | 2012-10-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200939228U Expired - Fee Related CN202510215U (en) | 2012-03-13 | 2012-03-13 | Double-cylinder two-stroke engine |
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| Country | Link |
|---|---|
| CN (1) | CN202510215U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102588100A (en) * | 2012-03-13 | 2012-07-18 | 梁光锋 | Two-stroke engine with double cylinders |
-
2012
- 2012-03-13 CN CN2012200939228U patent/CN202510215U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102588100A (en) * | 2012-03-13 | 2012-07-18 | 梁光锋 | Two-stroke engine with double cylinders |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121031 Termination date: 20150313 |
|
| EXPY | Termination of patent right or utility model |