CN2934610Y - Energy-saving environment-friendly two-stroke gasoline engine - Google Patents
Energy-saving environment-friendly two-stroke gasoline engine Download PDFInfo
- Publication number
- CN2934610Y CN2934610Y CN 200620035310 CN200620035310U CN2934610Y CN 2934610 Y CN2934610 Y CN 2934610Y CN 200620035310 CN200620035310 CN 200620035310 CN 200620035310 U CN200620035310 U CN 200620035310U CN 2934610 Y CN2934610 Y CN 2934610Y
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- gasoline engine
- millimeters
- stroke gasoline
- energy saving
- environment friendly
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Abstract
The utility model discloses an energy-saving environment-friendly two-stroke gasoline engine, which is improved on the basis of the original engines, and the improvements are that the magnetic field strength of the thermal magnetic motor is 3400-3800 Gauss; three air inlets, the two of which are arranged at the both sides of the exhaust outlet, and the width of the both air inlets decreases by two fifths, the elevation is changed to be 60 to 70 degrees, the third air inlet is added opposite to the exhaust outlet, the width of the third air inlet is 14 to 18 mm, and the elevation is 50 to 55 degrees; the effective travel route is 130 to 135 degrees, the free exhaust period is 25 to 28 degrees, and the air intake period is 23 to 26 degrees; a follow-up oxidation device is arranged inside the exhaust pipe; a spring piece is equipped inside the air intake pipe; the ratio of piston stroke and cylinder diameter is 0.96 to 1.15; the combined action of the above measures makes the utility model compared with the original engines save the fuel and environment-friendly more. At the same time, two exhaust outlets are configured with, and the interval between the two exhaust outlets plays a supporting role in the piston ring, preventing the piston ring from being deformed effectively and increasing the service life of the engine.
Description
(1) technical field:
The utility model relates to a kind of petrol engine, particularly a kind of energy saving and environment friendly two-stroke gasoline engine.
(2) background technique:
Number of patent application is that the model utility of ZL00247724-6 discloses a kind of energy-conservation two-stroke gasoline engine, is improved motor on original two-stroke gasoline engine basis, and the improvement of following several respects is arranged:
1, on its cylinder sleeve suction port to be lower than the spacing of relief opening amid a sharp increase, originally cylinder sleeve of engine suction port and relief opening initial line location gap are 3 millimeters, and energy-conservation two-stroke gasoline engine cylinder sleeve suction port initial line position is lower than relief opening initial line 6-8.5 millimeter, the elevation angle that suction port makes progress adds greatly 45-60 degree by original 30-45 degree, and suction port splits the both sides of relief opening.
2, do not have exhaust valve in the original waste pipe, and installed exhaust valve additional in the outlet pipe of energy-conservation two-stroke gasoline engine.
3, energy-conservation two-stroke gasoline engine has been used more powerful ignition magneto instead, and (400-500 rev/min) brings up to the 13-18 volt by original 4-6 volt during its power slow-speed of revolution.
4, base frame has shortened 2 millimeters height under the cylinder cap of energy-conservation two-stroke gasoline engine, and its combustion chamber volume is than original having dwindled about 1/7.
The concrete back of using finds that also there is following shortcoming in energy-conservation two-stroke gasoline engine:
1, the power of original ignition magneto is big inadequately, causes the burning of mixed gas very incomplete.
2, the structure of suction port still has the imperfection part.
Though 3 have installed exhaust valve additional in outlet pipe, the harmful gas of the not complete oxidation in very effective solution waste gas of failing.
4, the exhaust valve spring can take place softening under the impact of the gas of high temperature discharge in the outlet pipe.
5, inlet structure is kept away the loss of backflowing of unavoidable Carburetor.
(3) summary of the invention:
The utility model provides a kind of energy saving and environment friendly two-stroke gasoline engine of fuel-economizing more.
Can realize the energy saving and environment friendly two-stroke gasoline engine of above-mentioned purpose, comprise three suction ports and ignition magneto on outlet pipe and suction tude place leave on the suction tude of cylinder sleeve, cylinder shell-side face of suit in cylinder shell and the cylinder shell and interior intake valve thereof and outlet pipe and interior exhaust valve thereof, the cylinder sleeve respective cylinder shell relief opening and the relief opening both sides sustained height, the overall width of suction port is the 44-48 millimeter, the initial line of suction port is lower than the initial line 6-8.5 millimeter of relief opening, compare with original energy-conservation two-stroke gasoline engine, the utility model improves to some extent on technological scheme:
It mainly is the structure of having improved cylinder, two suction ports are originally changed into three suction ports, the 3rd suction port that increases is opened in the opposite of relief opening, the 3rd inlet port elevation angle is the 50--55 degree, width is the 14-18 millimeter, and the width of all the other two suction ports respectively is contracted to 15 millimeters, and the elevation angle changes the 60--70 degree into, the elevation angle that can select a suction port is 60 degree, and the elevation angle of another suction port is 70 degree; Three suction ports are on the sustained height.Three suction port width after the improvement and original two inequality, elongated the distance with relief opening, reduced the short-circuit loss of mixed gas from relief opening; The elevation angle of three suction ports makes progress more, the top of the easier arrival cylinder of mixed gas.For preventing the distortion of piston ring, relief opening originally makes two identical relief openings side by side of overall width into, two relief openings 2-3 millimeter of being separated by.
Can also carry out the improvement on the technological scheme in the following areas, make the utility model constantly perfect:
1, the time distribution of each gas port in being equivalent to crank angle changes into: effective travel (piston top dead center is to relief opening initial line distance) 130-135 degree, free exhaust phase 25-28 degree, charging period 23-26 degree.
2, the ignition magneto after the improvement has 3400-3800 Gauss's magnetic intensity, makes the volume of ignition magneto strengthen and the ignition energy raising; Ignition magneto comprises coil (being made of thick, fine rule circle), rotor, horse shoe shaped stator core etc., wherein: the line of fine rule circle directly is the 0.17-0.2 millimeter, and the number of turn is 6500, and the line of thick line circle directly is 1.0 millimeters, the number of turn is 200--250, and the fine rule circle is connected with the thick line circle; Root diameter is that 52 millimeters, width are 25 millimeters; Horse shoe shaped stator core sectional dimension is 25 millimeters of 14 millimeters *.
3, suction tude also changes to some extent, and the suction tude after the improvement comprises the outer tube and the interior pipe of phase suit, offers axial equally distributed groove on the outer side surface of interior pipe, has through hole to communicate with inner orifice on the groove; The spring sheet of intake valve for matching with groove, spring sheet is close to channel bottom, and the external end head of spring sheet is fixed on channel bottom.
4, piston stroke is 0.96---1.15 with the ratio of cylinder diameter.
5, be provided with the subsequent oxidation device in the outlet pipe, the subsequent oxidation device is installed in exhaust ports, and purpose is with the not further oxidation of harmful gas of complete oxidation burning, reduces exhaust emission pollution; The subsequent oxidation device comprises the Stainless Steel Tube of internal and external layer and the middle level heat insulating tube between the inside and outside layer Stainless Steel Tube, thermal-protective coating preferably uses the ceramic insulation pipe, the exhaust door-hinge places in the inner layer stainless steel tube, and different with original structure is that the exhaust valve spring is arranged on outside the outlet pipe.The length of more satisfactory subsequent oxidation device is 165 millimeters, 200 millimeters of exhaust valve axial lengths, and the exhaust valve diameter of axle is 2.5 millimeters.
Advantage of the present utility model:
1, the volume of used ignition magneto strengthen and the raising of ignition energy before nearly one times, improve rate of burning, promote perfect combustion.
2, the setting at three suction ports and the elevation angle thereof on the cylinder liner makes the uniformity coefficient of the mixed combustion gas that enters cylinder better, and more upwards to cylinder head, avoids discharge directions simultaneously; Wherein the spacing of the suction port of the left and right sides and relief opening increases to some extent, avoids the short-circuit loss of mixed combustion gas from relief opening to the full extent.
3, the unique design of suction tude has reduced the backflow loss of mixed combustion gas from Carburetor effectively.
1st, 2,3 raisings that add piston stroke and the ratio of cylinder diameter, purpose is to prolong effective shape journey, rescue discharging makes the fuel-economizing more of the energy saving and environment friendly two-stroke gasoline engine of the utility model, hundred kilometers oil consumption from original 0.9-1.0 lifting to the 0.8-0.9 liter.
4, relief opening makes side by side two into, utilizes the position-limiting action of the cylinder wall of being separated by between two relief openings, effectively prevents the distortion of piston ring, improves the working life of piston ring.
5, the setting of the utility model subsequent oxidation device can continue oxidation with HC imperfect combustion in the waste gas, CO etc., improves discharging as far as possible, to reach and compliance with environmental protection requirements.
(4) description of drawings:
Fig. 1 is the structural representation of a kind of mode of execution of the utility model.
Figure number sign: 1, cylinder shell, 2, outlet pipe, 3, exhaust valve, 4, relief opening, 5, cylinder sleeve, 6, cylinder cap, 7, spark plug, 8, suction port, 9, suction tude, 10, intake valve, 11, piston, 12, crank-connecting rod, 13, crankshaft, 14, crank box, 15, coil, 16, the exhaust valve spring, 17, subsequent oxidation device, 18, the horse shoe shaped stator core, 19, rotor.
(5) embodiment:
As shown in Figure 1, the utility model comprises component such as cylinder shell 1, suction tude 9, intake valve 10, outlet pipe 2, relief opening 4, cylinder sleeve 5, cylinder cap 6, spark plug 7, piston 11, crank-connecting rod 12, crankshaft 13, crank box 14 and ignition magneto.Cylinder shell 1 both sides are equipped with suction tude 9 and outlet pipe 2 respectively, are set with cylinder sleeve 5 in the cylinder shell 1, and the position of suction tude 9 and outlet pipe 2 offers suction port 8 and relief opening 4 on the cylinder sleeve 5 respective cylinder shells 1; Cylinder sleeve 5 cylinder caps 6 that are stamped suitable for reading are equipped with spark plug 7 in the center hole of cylinder cap 6, cylinder sleeve 5 end openings are connecting crank box 14; Piston 11 is housed in the cylinder sleeve 5, and piston 11 is hinged with crank-connecting rod 12 downwards, and crank-connecting rod 12 is hinged on the crankshaft 13 by the crank in the crank box 14, and crankshaft 13 stretches out crank box 14 and connecting clutch and ignition magneto.The above component shape structure and annexation and number of patent application are that the shape and structure and the annexation of energy-conservation two-stroke gasoline engine model utility corresponding part of ZL00247724-6 is basic identical, and different is:
1, improved the structure of cylinder.The utlity model has three suction ports 8, many the 3rd suction ports 8 on the basis of two original suction ports 8, and be in sustained height with two original suction ports 8, keeping the initial line of suction port 8 to be lower than the initial line 6-8.5 millimeter of relief opening 4 jointly, the 3rd suction port is opened in the right opposite of relief opening 4, its elevation angle is the 50--55 degree, and width is the 14-18 millimeter; Originally the position that was positioned at two suction ports 8 of relief opening 4 both sides does not change, but width respectively is contracted to 15 millimeters than original; The elevation angle changes: a suction port is 60 degree, and another suction port is 70 degree.The gross area that relief opening 4 originally changes over two smaller and 4, two relief openings 4 side by side of relief opening side by side is identical with the area of original relief opening 4, two relief openings 4 2-3 millimeter of being separated by.
2, the time of each gas port in being equivalent to crank angle is distributed change to some extent, is respectively: effective travel (piston 11 top dead centers are to relief opening 4 initial lines distance) 130-135 degree, free exhaust phase 25-28 degree, charging period 23-26 degree.
3, strengthened the volume and the ignition energy of ignition magneto, improved the ignition magneto magnetic intensity to 3400-3800 Gauss.Ignition magneto comprises coil 15, rotor 19, horse shoe shaped stator core 18, and wherein: coil 15 is made of fine rule circle and thick line circle, and the line of fine rule circle directly is the 0.17-0.2 millimeter, the number of turn is 6500, the line of thick line circle directly is 1.0 millimeters, and the number of turn is 200--250, and the fine rule circle is connected with the thick line circle; Root diameter is that 52 millimeters, width are 25 millimeters; Horse shoe shaped stator core sectional dimension is 25 millimeters of 14 millimeters *.
4, be equipped with subsequent oxidation device 17 in the outlet pipe 2, subsequent oxidation device 17 is installed in relief opening 4 places.Subsequent oxidation device 17 comprises the Stainless Steel Tube of inside and outside layer and places the inside and outside layer of middle level heat insulating tube between the Stainless Steel Tube that thermal-protective coating is preferably selected the ceramic insulation pipe for use; The exhaust door-hinge places in the inner layer stainless steel tube, and different with original structure is that exhaust valve spring 16 is arranged on outside the outlet pipe 2.The physical dimension of more satisfactory subsequent oxidation device is: the length of subsequent oxidation device is 165 millimeters, 200 millimeters of exhaust valve axial lengths, and the exhaust valve diameter of axle is 2.5 millimeters.
5, suction tude 9 also changes to some extent, and the suction tude 9 after the improvement comprises the outer tube and the interior pipe of phase suit, offers axially equally distributed six grooves on the outer side surface of interior pipe, has radial hole to communicate with inner orifice on the groove; Intake valve 10 also is changed to the spring sheet that matches with groove, and spring sheet is close to each channel bottom setting, and the external end head of spring sheet is fixed on channel bottom; Spring sheet opens during air inlet, and mixed gas radial hole, six grooves, suction ports 8 on interior pipe enter in the cylinder, remaining the time spring sheet be in closed condition, the radial hole in just in time stopping up on the pipe.So the suction tude 9 of structure has reduced the backflow loss of mixed gas from Carburetor effectively.
6, piston 11 ratio of stroke to bores are 0.96---1.15.
The specification data content is suitable for the two-stroke gasoline engine of 50-60ml discharge capacity.
Claims (10)
1, energy saving and environment friendly two-stroke gasoline engine, the cylinder sleeve (5) that comprises cylinder shell (1) and the interior suit of cylinder shell (1), the suction tude (9) of cylinder shell (1) side and interior intake valve (10) thereof and outlet pipe (2) and interior exhaust valve (3) thereof, relief opening (4) that last outlet pipe (2) of cylinder sleeve (5) respective cylinder shell (1) and suction tude (9) are located to offer and two suction ports (8) and the ignition magneto on the sustained height of relief opening (4) both sides, the overall width of suction port (8) is the 44-48 millimeter, the initial line of suction port (8) is lower than the initial line 6-8.5 millimeter of relief opening (4), it is characterized in that: the width of two suction ports (8) is reduced to 15 millimeters respectively, the elevation angle of two suction ports (8) is the 60--70 degree, set up the 3rd suction port (8) on the cylinder sleeve (5) on relief opening (4) opposite, the width of the 3rd suction port (8) is the 14-18 millimeter, and the elevation angle is the 50--55 degree; Three suction ports (8) are in sustained height.
2, energy saving and environment friendly two-stroke gasoline engine according to claim 1, it is characterized in that: relief opening (4) and the time of three suction ports (8) in being equivalent to crank angle are assigned as: effective travel 130-135 degree, free exhaust phase 25-28 degree, charging period 23-26 degree.
3, energy saving and environment friendly two-stroke gasoline engine according to claim 1 and 2, it is characterized in that: the magnetic intensity of ignition magneto is 3400-3800 Gauss, ignition magneto comprises coil (15), rotor (19), horse shoe shaped stator core (18), wherein: the line of the fine rule circle in the coil (15) directly is the 0.17-0.2 millimeter, the number of turn is 6500, the line of the thick line circle in the coil (15) directly is 1.0 millimeters, and the number of turn is 200--250, and the fine rule circle is connected with the thick line circle; Rotor (19) diameter is that 52 millimeters, width are 25 millimeters; Horse shoe shaped stator core (18) sectional dimension is 25 millimeters of 14 millimeters *.
4, energy saving and environment friendly two-stroke gasoline engine according to claim 1 and 2, it is characterized in that: suction tude (9) comprises the outer tube and the interior pipe of phase suit, offer equally distributed axial groove on the outer side surface of interior pipe, have through hole to communicate on the groove with inner orifice; The spring sheet of intake valve (10) for matching with groove, spring sheet is close to trench bottom surfaces, and the external end head of spring sheet is fixed in trench bottom surfaces.
5, energy saving and environment friendly two-stroke gasoline engine according to claim 1 and 2 is characterized in that: piston (11) ratio of stroke to bore is 0.96---1.15.
6, energy saving and environment friendly two-stroke gasoline engine according to claim 1 and 2, it is characterized in that: the interior relief opening of outlet pipe (2) (4) locates to be provided with subsequent oxidation device (17), subsequent oxidation device (17) comprises the Stainless Steel Tube of inside and outside layer and the middle level thermal-protective coating between the inside and outside layer Stainless Steel Tube, the exhaust door-hinge places in the inner layer stainless steel tube, and exhaust valve spring (16) is arranged on outside the outlet pipe (2).
7, energy saving and environment friendly two-stroke gasoline engine according to claim 6 is characterized in that: the length of subsequent oxidation device (17) is 165 millimeters, 200 millimeters of exhaust valve axial lengths, and the exhaust valve diameter of axle is 2.5 millimeters.
8, energy saving and environment friendly two-stroke gasoline engine according to claim 6 is characterized in that: thermal-protective coating is the ceramic insulation pipe.
9, energy saving and environment friendly two-stroke gasoline engine according to claim 1 and 2 is characterized in that: relief opening (4) is two and the 2-3 millimeter of being separated by side by side.
10, energy saving and environment friendly two-stroke gasoline engine according to claim 1 and 2 is characterized in that: the elevation angle of two suction ports (8) is respectively 60 degree and 70 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620035310 CN2934610Y (en) | 2006-08-08 | 2006-08-08 | Energy-saving environment-friendly two-stroke gasoline engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620035310 CN2934610Y (en) | 2006-08-08 | 2006-08-08 | Energy-saving environment-friendly two-stroke gasoline engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2934610Y true CN2934610Y (en) | 2007-08-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620035310 Expired - Fee Related CN2934610Y (en) | 2006-08-08 | 2006-08-08 | Energy-saving environment-friendly two-stroke gasoline engine |
Country Status (1)
| Country | Link |
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| CN (1) | CN2934610Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014131321A1 (en) * | 2013-02-26 | 2014-09-04 | 苏州科瓴精密机械科技有限公司 | Carburetor base of engine |
-
2006
- 2006-08-08 CN CN 200620035310 patent/CN2934610Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014131321A1 (en) * | 2013-02-26 | 2014-09-04 | 苏州科瓴精密机械科技有限公司 | Carburetor base of engine |
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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: 20070815 Termination date: 20140808 |
|
| EXPY | Termination of patent right or utility model |