CN203239443U - Novel two-stroke engine - Google Patents
Novel two-stroke engine Download PDFInfo
- Publication number
- CN203239443U CN203239443U CN2013201949912U CN201320194991U CN203239443U CN 203239443 U CN203239443 U CN 203239443U CN 2013201949912 U CN2013201949912 U CN 2013201949912U CN 201320194991 U CN201320194991 U CN 201320194991U CN 203239443 U CN203239443 U CN 203239443U
- Authority
- CN
- China
- Prior art keywords
- cylinder body
- piston
- crankcase
- connecting rod
- stroke engine
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
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- Lubrication Of Internal Combustion Engines (AREA)
Abstract
The utility model discloses a novel two-stroke engine which comprises a cylinder body, a piston, a connecting rod, a crankcase and a crank shaft. The piston is arranged in the cylinder body, one end of the connecting rod is connected with the piston, and the other end of the connecting rod is connected with the crank shaft which is arranged in the crankcase. An exhaust port is formed in the side wall of the cylinder body, an air inlet inclining downwards is formed in the top of the cylinder body, and a one-way valve is arranged at a ventilation port. According to the structure, the novel two-stroke engine can play a role in energy conservation, improves the horsepower, reduces the pollution of exhaust gas to the environment, and can increase air inflow to improve the rotation speed.
Description
Technical field
The utility model relates to two stroke engine, particularly the two stroke engine on the motorcycle.Also be applied to farm machinery, draw water, gardens chain saw, generating, speedboat etc.
Background technique
Motor is the core in the Motor Vehicle, and its Safety performance to Motor Vehicle, usability, power consumption, environmental protection all play very important effect.
The working principle of existing two stroke engine is: during the starting force driving crank, the piston group is involved by bent axle, connecting rod, and when piston moved towards cylinder head, crankcase produced negative pressure, and air is through air-strainer, the fuel oil on the Carburetor band.Suck crankcase by air intake valve, when piston to deviating from cylinder section when motion, combustible gas is compressed in the crankcase, when scavenging port is open, combustible gas is pressed into cylinder through scavenging air belt, and when piston moved upward again, combustible gas was compressed in cylinder, pressure and temperature improves, through the electrical equipment ignition, heated gas pressure further improves, gas expansion, pushing piston moves downward the drive crankshaft rotating, outputting power, when relief opening is open, waste gas after the burning is sprayed by pressure first, driven by scavenge flow again and scan out cylinder, outside silencing apparatus discharge machine, air inlet, compression, expand, exhaust, go round and begin again, bent axle is constantly rotation just, acting.
Present scavenging port and relief opening all are arranged on the sidewall of cylinder body, so that the dead band is formed on the top of cylinder body, in the dead band, can assemble some after burning waste gas and can't discharge through relief opening, cause to be mixed with waste gas in the mixed gas that next time enters in the cylinder body, so that it is insufficient to burn, the effect of burning is bad, therefore, the real horsepower of motor can be much smaller than rated horsepower, and the energy of consumption is also large, and the waste gas of discharging is many, seriously polluted to environment.
In addition, some scavenging port is that the sidewall at cylinder body is provided with an otch that makes progress, piston moves near otch, and piston is when motion, between piston and the inboard wall of cylinder block lubricant oil is arranged, but because the existence of otch then appears at easily the phenomenon that incision is revealed lubricant oil, but also the halfway phenomenon of frizing can occur.
Summary of the invention
The purpose of this utility model provides a kind of Two stroke engine, utilizes structure of the present utility model, can play energy-conservation effect, improves the horsepower of motor, reduces waste gas to the pollution of environment.
For achieving the above object, a kind of Two stroke engine comprises cylinder body, piston, connecting rod, crankcase and bent axle, and piston is located in the cylinder body, and an end of connecting rod is connected with piston, and the other end of connecting rod is connected with bent axle, and bent axle is located in the crankcase; Sidewall at cylinder body is provided with relief opening, is provided with the scavenge port under oblique at the top of cylinder body, and the scavenge port place is provided with one-way valve.
As improvement, be positioned at cylinder body between crankcase and the scavenge port and be externally connected with scavenge trunk.
As specializing, described relief opening is one.
The beneficial effects of the utility model are: because the top that is arranged on cylinder body under scavenge port is oblique, relief opening is arranged on the sidewall of cylinder body, and is provided with one-way valve.During this engine operation, during the starting force driving crank, the piston group is involved by bent axle, connecting rod, and when piston moved towards the cylinder body top, crankcase produced negative pressure, and mixed gas enters in the crankcase.When piston to deviating from cylinder body section when motion, mixed gas in the crankcase is compressed, when scavenge port is open, mixed gas is pressed into cylinder body, and when piston moved upward again, mixed gas was compressed in cylinder body, pressure and temperature improves, through the electrical equipment ignition, heated gas pressure further improves, and gas expansion, pushing piston move downward and drive crankshaft rotating, outputting power; Because the top of incoming mixture from cylinder body is pressed in the cylinder body, so can be with the waste gas at cylinder body top to pressing down, when relief opening is open, waste gas after the burning by the pressure ejection, is driven by scavenge flow and scans out cylinder body, outside silencing apparatus discharge machine first, so that the exhausted air quantity in the cylinder body is few, therefore, mixed gas can be abundant in the cylinder body internal combustion, and the fresh air of outflow is few, played energy-conservation effect, further reduce the pollution to environment, had again, can increase air inflow, to improve rotating speed, such as above-mentioned process air inlet, compression, expand, exhaust, go round and begin again, bent axle is constantly rotation just, acting.In addition, do not offer otch owing to be provided with at the sidewall of cylinder body, and relief opening is one, therefore, is conducive to the following cylinder body of lubricated relief opening, piston can scrape off unnecessary lubricant oil again, and the phenomenon of leakage of oil can not appear in piston when work.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Embodiment
Below in conjunction with the drawings and specific embodiments the utility model is further elaborated.
As shown in Figure 1, Two stroke engine comprises cylinder body 1, piston 2, crankcase 3, bent axle 4, connecting rod 5, spark plug 6.
Cylinder body 1 is connected with crankcase 3, and piston 2 is located in the cylinder body 1, and bent axle 4 is located in the crankcase 3, and the upper end of connecting rod 5 is connected with piston 2, and the lower end of connecting rod 5 is connected with bent axle 4, and spark plug 6 is located at the top of cylinder body 1.The top of cylinder body 1 becomes spheric, and the inside and outside joint of cylinder body top and sidewall is arc transition.
Sidewall at cylinder body 1 is provided with relief opening 8, and in the present embodiment, relief opening is one, is provided with the scavenge port 7 under oblique at the top of cylinder body 1, and the scavenge port place is provided with one-way valve, is positioned at cylinder body between crankcase 3 and the scavenge port 7 and is externally connected with scavenge trunk 9.
The working principle of above-mentioned Two stroke engine is: during starting driving crank 4, piston 2 bent axles 4, connecting rod 5 involve, when piston 2 moves towards cylinder body 1 top, and crankcase 3 interior generation negative pressure, mixed gas enters in the crankcase 3.When piston 2 deviates from the motion of cylinder body 1 top, mixed gas in the crankcase 3 is compressed, when scavenge port 7 is opened, mixed gas is pressed into cylinder body 1 through scavenge trunk 9, scavenge port 7, and when piston 2 moved upward again, mixed gas was compressed in cylinder body 1, the pressure and temperature of mixed gas improves, through spark plug 6 ignition, heated gas pressure further improves, and gas expansion, pushing piston 2 move downward 4 rotations of band dynamic crankshaft, outputting power.Such as above-mentioned process air inlet, compression, expansion, exhaust, go round and begin again, bent axle is rotation just constantly, acting.
Because the top of incoming mixture from cylinder body is pressed in the cylinder body 1, therefore, can be with the waste gas at cylinder body 1 top to pressing down, when relief opening was open, the waste gas after the burning by the pressure ejection, was driven by scavenge flow and scans out cylinder body first, outside silencing apparatus discharge machine, so that the exhausted air quantity in the cylinder body is few, therefore, mixed gas can be abundant in the cylinder body internal combustion, and the fresh air of outflow is few, played energy-conservation effect, further reduced the pollution to environment, have again, can increase air inflow, to improve rotating speed.In addition, owing to be arc transition between cylinder body top and the cylinder side wall, therefore, be not easy to occur waste gas at the top of cylinder body and stop the dead angle, waste gas also can be pressed into relief opening from cylinder body 1 top smoothly, like this, waste gas can be discharged as much as possible.In addition, do not offer otch owing to be provided with at the sidewall of cylinder body, and relief opening is one, therefore, is conducive to the following cylinder body of lubricated relief opening, piston can scrape off unnecessary lubricant oil again, and the phenomenon of leakage of oil can not appear in piston when work.
Claims (3)
1. a Two stroke engine comprises cylinder body, piston, connecting rod, crankcase and bent axle, and piston is located in the cylinder body, and an end of connecting rod is connected with piston, and the other end of connecting rod is connected with bent axle, and bent axle is located in the crankcase; It is characterized in that: the sidewall at cylinder body is provided with relief opening, is provided with the scavenge port under oblique at the top of cylinder body, and the scavenge port place is provided with one-way valve.
2. Two stroke engine according to claim 1 is characterized in that: be positioned at cylinder body between crankcase and the scavenge port and be externally connected with scavenge trunk.
3. Two stroke engine according to claim 1, it is characterized in that: described relief opening is one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013201949912U CN203239443U (en) | 2013-04-18 | 2013-04-18 | Novel two-stroke engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013201949912U CN203239443U (en) | 2013-04-18 | 2013-04-18 | Novel two-stroke engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203239443U true CN203239443U (en) | 2013-10-16 |
Family
ID=49316752
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013201949912U Expired - Fee Related CN203239443U (en) | 2013-04-18 | 2013-04-18 | Novel two-stroke engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203239443U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111173615A (en) * | 2019-12-06 | 2020-05-19 | 谭智 | Two-stroke internal combustion engine and working method thereof |
-
2013
- 2013-04-18 CN CN2013201949912U patent/CN203239443U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111173615A (en) * | 2019-12-06 | 2020-05-19 | 谭智 | Two-stroke internal combustion engine and working method thereof |
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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: 20131016 Termination date: 20160418 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |