CN104295370A - Single-cylinder two-stroke water-cooled engine - Google Patents
Single-cylinder two-stroke water-cooled engine Download PDFInfo
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- CN104295370A CN104295370A CN201410496810.0A CN201410496810A CN104295370A CN 104295370 A CN104295370 A CN 104295370A CN 201410496810 A CN201410496810 A CN 201410496810A CN 104295370 A CN104295370 A CN 104295370A
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Abstract
The invention relates to an engine for a power surfboard or a motorboat, in particular to a single-cylinder two-stroke water-cooled engine. A one-way bearing is fixed to the other end of the crankshaft output end of a crankcase, a speed reduction gear is installed on the one-way bearing, and the speed reduction gear is meshed with a driving gear on the output shaft of a starting motor; an engine air cylinder and a carburetor are arranged on the portions, on the two sides of a crankshaft, of the crankcase, the carburetor is communicated with the air inlet of the crankcase through an air inlet pipe and an air inlet reed valve is arranged between the air inlet pipe and the air inlet of the crankcase; the crankcase and/or the shell of the engine air cylinder are/is provided with support installing holes connected with a fixing frame in an engine compartment, and the shell of the engine air cylinder is provided with a cooling water outlet, a cooling water inlet and an exhaust guide pipe which are all communicated with the inner cavity of the engine air cylinder. Because of the compact structure, the size of the engine is reduced, the total mass is reduced, the rotating speed is increased, and the output power is increased.
Description
Technical field
The present invention relates to power surf board or motor boat engine, especially a kind of compact structure, reduced volume, reduction total quality, improve the single-cylinder double stroke water cooled engine of rotating speed and output power.
Background technique
Surfing is because it is fabulous and effectively take exercises and enjoy liking of people.Common surfboard must borrow the thrust of group stormy waves to use, when without stormy waves or stormy waves less time, surfboard just loses that it is due public.For realize without stormy waves or stormy waves less time also can surfing heartily, a kind of employing of power surf board motor of prior art, as power, surfing also can sail row across the sea on calm water surface; The power surf board of the type generally comprises hull assembly, power plant, Joystick, main empennage, hull assembly is prolate ellipsoidal streamline hollow structure, above hull assembly, medium position is provided with the large lid of body, power plant are arranged on hollow part in hull, the head of hull assembly is provided with air guide sleeve, Joystick is connected on air guide sleeve by drag-line pipe, and the afterbody below hull assembly is provided with main empennage, and the both sides, front end of main empennage are provided with left side flap, right side flap.Power plant adopt Fuel Petroleum, and operating grip is provided with control switch, operability during surfing, by force recreational.
Water-powered sports equipment in the past, mostly adopt existing pedal motorcycle engine, with reducing gear and the complicated structure such as startup, speed change, noise reduction, weight reaches about 20 kilograms, and rotating speed is low, power is low, complex structure, and volume is large, makes the engine compartment larger of dynamic movement equipment, hull weight greatly increases, for domestic existing Kunshan Mei Ji power surf board, its lightest product weight all reaches 75KG.Serious restriction power surf board or motor boat are to lightweight small volume future development
In sum, the power surf board of prior art or motor boat are large with engine quality, and rotating speed is low, and power is low, complex structure, and volume is large, is unfavorable for that power surf board or motor boat are to lightweight small volume future development.
Summary of the invention
The object of this invention is to provide the single-cylinder double stroke water cooled engine of a kind of compact structure, reduced volume, reduction total quality, raising rotating speed and output power.
The technological scheme adopted for realizing above-mentioned purpose of the present invention is: a kind of single-cylinder double stroke water cooled engine, comprises crankcase, starting electrical machinery, Carburetor and cylinder; Wherein: be fixed with unilateral bearing at the other end of the crankshaft output end of crankcase, unilateral bearing is provided with reduction gear, this reduction gear engages with the actuation gear on the output shaft of starting electrical machinery;
The center line of this Carburetor and the center line of crankcase form 30 ° of angles, and the center line of described cylinder overlaps with the center line of crankcase; The angle of described starting electrical machinery between Carburetor and crankcase;
Described Carburetor is communicated with the suction port of crankcase by admission line, is provided with air inlet leaf valve between admission line and the suction port of crankcase;
Described crankcase and rack mounting apertures cylinder shell is provided with for being connected with the fixing frame be fixed in engine compartment, described cylinder shell is provided with and the coolant outlet of the inner space of cylinder, cooling water intake and exhaust manifolds.
Tell motor crankshaft output end have coupling, be directly connected with the running shaft of water jet propulsion pump, without any reducing gear.
Due to said structure, compact structure, reduce volume, reduce total quality, improve rotating speed and output power.
Accompanying drawing explanation
The nonlimiting examples that the present invention can be provided by accompanying drawing further illustrates.
Fig. 1 is structural representation of the present invention.
Fig. 2 is the right TV structure schematic diagram of Fig. 1.
Fig. 3 is the plan structure schematic diagram of Fig. 1.
In figure: 701, exhaust manifolds; 703, cooling water intake; 704, crankcase; 705, coupling; 706, unilateral bearing; 707, reduction gear; 708, starting electrical machinery; 709, cylinder; 710, Carburetor; 711, admission line; 712, air inlet leaf valve; 713, rack mounting apertures; 714, coolant outlet.
Embodiment
Below in conjunction with drawings and Examples, the invention will be further described:
See the single-cylinder double stroke water cooled engine in accompanying drawing 1 to 3, figure, comprise crankcase 704, starting electrical machinery 708, Carburetor 710 and cylinder 709; Wherein: be fixed with unilateral bearing 706 at the other end of the crankshaft output end of crankcase 704, unilateral bearing 706 is provided with reduction gear 707, this reduction gear 707 engages with the actuation gear on the output shaft of starting electrical machinery 708;
The center line of this Carburetor 710 and the center line of crankcase 704 form 30 ° of angles, and the center line of described cylinder 709 overlaps with the center line of crankcase 704; The described angle of starting electrical machinery 708 between Carburetor 710 and crankcase 704;
Described Carburetor 710 is communicated with the suction port of crankcase 704 by admission line 711, is provided with air inlet leaf valve 712 between admission line 711 and the suction port of crankcase 704;
Described crankcase 704 and/or cylinder 709 shell are provided with the rack mounting apertures 713 for being connected with the fixing frame be fixed in engine compartment, described cylinder 709 shell is provided with and the coolant outlet 714 of the inner space of cylinder 709, cooling water intake 703 and exhaust manifolds 701.In this embodiment, due to described structure, make the whole height of motor extremely low, without any speed reducer during Power output, alleviate the weight of motor, the rotating speed of this motor can realize 10000r/min-20000r/min, improves rotating speed and output power.
For ease of outputting power, in above-described embodiment, preferably: the crankshaft output end of described crankcase 704 is provided with coupling 705.
For ensureing testing precision, in above-described embodiment, preferably: the cylindrical of described coupling 705 is provided with single convex table type crankshaft position sensor.It is little that this single convex table type crankshaft position sensor makes testing signal account for circumferential angle, and testing precision is higher, for ignition controler provides crankshaft-position signal and tach signal accurately.
For guarantee point fire performance, in above-described embodiment, preferably: described cylinder 709 is provided with igniter, this igniter is the inductance type ignitor of speed limit 20000r/min.
For ensureing the using effect of Carburetor, in above-described embodiment, preferably: the reed of air inlet leaf valve 712 is the long-pending V-shaped valve of large cross section of fluid channel that carbon fiber board is made.Make the lightweight of air inlet leaf valve 712 and the natural frequency of vibration high.
For ease of exhaust manifolds 701 place, baffler is installed, in above-described embodiment, preferably: described exhaust manifolds 701 and the crankshaft output end of crankcase 704 are positioned at the same side of crankcase 704.
Adopt two-stroke water cooled motor of the present invention, when the portable powered surfboard of Design and manufacture, surperlight type motor boat, can significantly reduce engine compartment size, corresponding reduction hull size, hull weight reduces, in addition the weight of motor own is extremely low, makes power surf board or motor boat become possibility to lightweight small volume future development.
Obviously, all embodiments of foregoing description are a part of embodiments of the present invention, instead of whole embodiments.Based on embodiments of the invention, those of ordinary skill in the art are not making other embodiments all obtained under creative work prerequisite, all belong to the category of the present invention's protection.
In sum, compact structure of the present invention, reduces volume, reduces total quality, improves rotating speed and output power.
Claims (6)
1. a single-cylinder double stroke water cooled engine, comprises crankcase (704), starting electrical machinery (708), Carburetor (710) and cylinder (709); It is characterized in that: be fixed with unilateral bearing (706) at the other end of the crankshaft output end of crankcase (704), unilateral bearing (706) is provided with planetary reducer (707), and this planetary reducer (707) engages with the actuation gear on the output shaft of starting electrical machinery (708);
The crankcase (704) of bent axle both sides is provided with cylinder (709) and Carburetor (710), the center line of this Carburetor (710) and the center line of crankcase (704) form 30 ° of angles, and the center line of described cylinder (709) overlaps with the center line of crankcase (704); Described starting electrical machinery (708) is positioned at the angle between Carburetor (710) and crankcase (704);
Described Carburetor (710) is communicated with by the suction port of admission line (711) with crankcase (704), is provided with air inlet leaf valve (712) between admission line (711) and the suction port of crankcase (704);
Described crankcase (704) and/or cylinder (709) shell being provided with the rack mounting apertures (713) for being connected with the fixing frame be fixed in engine compartment, described cylinder (709) shell being provided with and the coolant outlet (714) of the inner space of cylinder (709), cooling water intake (703) and exhaust manifolds (701).
2. single-cylinder double stroke water cooled engine according to claim 1, is characterized in that: the crankshaft output end of described crankcase (704) is provided with coupling (705).
3. single-cylinder double stroke water cooled engine according to claim 1, it is characterized in that: the cylindrical of described coupling (705) is provided with single convex table type crankshaft position sensor, it is little that this single convex table type crankshaft position sensor makes testing signal account for circumferential angle, testing precision is higher, for ignition controler provides crankshaft-position signal and tach signal accurately.
4. single-cylinder double stroke water cooled engine according to claim 1, is characterized in that: (709) are provided with igniter to described cylinder, and this igniter is the inductance type ignitor of speed limit 20000r/min.
5. single-cylinder double stroke water cooled engine according to claim 1, is characterized in that: the reed of described air inlet leaf valve (712) is the long-pending V-shaped valve of large cross section of fluid channel that carbon fiber board is made.
6. single-cylinder double stroke water cooled engine according to claim 1, is characterized in that: described exhaust manifolds (701) are positioned at the same side of crankcase (704) with the crankshaft output end of crankcase (704).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410496810.0A CN104295370B (en) | 2014-09-25 | 2014-09-25 | Single-cylinder two-stroke water-cooled engine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410496810.0A CN104295370B (en) | 2014-09-25 | 2014-09-25 | Single-cylinder two-stroke water-cooled engine |
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| CN104295370A true CN104295370A (en) | 2015-01-21 |
| CN104295370B CN104295370B (en) | 2020-07-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410496810.0A Active CN104295370B (en) | 2014-09-25 | 2014-09-25 | Single-cylinder two-stroke water-cooled engine |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105927381A (en) * | 2016-06-28 | 2016-09-07 | 重庆特飞航空动力科技有限公司 | Single-cylinder two-stroke water-cooled engine for power surf board |
| CN108301936A (en) * | 2018-04-04 | 2018-07-20 | 芜湖长捷航空动力科技有限责任公司 | A kind of horizontal special engine crankcase |
| CN109538350A (en) * | 2019-01-22 | 2019-03-29 | 常州市兔客智能科技有限公司 | Boating-used equipment engine and its working method and power surfboard |
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| JP2001065344A (en) * | 1999-08-30 | 2001-03-13 | Suzuki Motor Corp | Cooling structure of engine on snowmobile |
| JP2001099021A (en) * | 1999-09-29 | 2001-04-10 | Suzuki Motor Corp | Engine cooling structure of snowmobile |
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| CN2584840Y (en) * | 2001-09-19 | 2003-11-05 | 本田技研工业株式会社 | Incline-cylinder universal four-stroke engine |
| CN102996275A (en) * | 2011-09-16 | 2013-03-27 | 重庆工业职业技术学院 | Electronic control fuel injection system of small general gasoline engine |
| CN204200366U (en) * | 2014-09-25 | 2015-03-11 | 重庆特飞航空动力科技有限公司 | Single-cylinder double stroke water cooled engine |
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2014
- 2014-09-25 CN CN201410496810.0A patent/CN104295370B/en active Active
Patent Citations (6)
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| JP2001065344A (en) * | 1999-08-30 | 2001-03-13 | Suzuki Motor Corp | Cooling structure of engine on snowmobile |
| JP2001099021A (en) * | 1999-09-29 | 2001-04-10 | Suzuki Motor Corp | Engine cooling structure of snowmobile |
| CN2470544Y (en) * | 2001-03-17 | 2002-01-09 | 重庆海泉工贸有限公司 | Water-cooling type small-displacement two-stroke general gasoline engine |
| CN2584840Y (en) * | 2001-09-19 | 2003-11-05 | 本田技研工业株式会社 | Incline-cylinder universal four-stroke engine |
| CN102996275A (en) * | 2011-09-16 | 2013-03-27 | 重庆工业职业技术学院 | Electronic control fuel injection system of small general gasoline engine |
| CN204200366U (en) * | 2014-09-25 | 2015-03-11 | 重庆特飞航空动力科技有限公司 | Single-cylinder double stroke water cooled engine |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105927381A (en) * | 2016-06-28 | 2016-09-07 | 重庆特飞航空动力科技有限公司 | Single-cylinder two-stroke water-cooled engine for power surf board |
| CN105927381B (en) * | 2016-06-28 | 2019-01-11 | 广西特飞云天航空动力科技有限公司 | Power surfboard single-cylinder double stroke water-cooled engine |
| CN108301936A (en) * | 2018-04-04 | 2018-07-20 | 芜湖长捷航空动力科技有限责任公司 | A kind of horizontal special engine crankcase |
| CN108301936B (en) * | 2018-04-04 | 2023-07-04 | 芜湖长捷航空动力科技有限责任公司 | Horizontal special engine crankcase |
| CN109538350A (en) * | 2019-01-22 | 2019-03-29 | 常州市兔客智能科技有限公司 | Boating-used equipment engine and its working method and power surfboard |
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| Publication number | Publication date |
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| CN104295370B (en) | 2020-07-21 |
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Address after: 530600 first and second floors of standard workshop 2, migrant workers Pioneer Park, Subo Industrial Park, Mashan County, Nanning City, Guangxi Zhuang Autonomous Region Applicant after: GUANGXI TEFEI AVIATION POWER TECHNOLOGY Co.,Ltd. Address before: 405401 Chongqing city Kaixian Zhao Industrial Park building 21 Applicant before: CHONGQING TEFEI AVIATION POWER TECHNOLOGY Co.,Ltd. |
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Effective date of registration: 20220708 Address after: 570000 room 3-106, dormitory of Provincial Grain Bureau, No. 32, Haifu Road, Meilan District, Haikou City, Hainan Province Patentee after: Jia Sumei Address before: 530600 first and second floors of standard plant 2 of migrant workers' entrepreneurship Park, Subo Industrial Park, Mashan County, Nanning City, Guangxi Zhuang Autonomous Region Patentee before: GUANGXI TEFEI AVIATION POWER TECHNOLOGY CO.,LTD. |
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