CN104314683B - Improved single-cylinder two-stroke water-cooled engine - Google Patents
Improved single-cylinder two-stroke water-cooled engine Download PDFInfo
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- CN104314683B CN104314683B CN201410496787.5A CN201410496787A CN104314683B CN 104314683 B CN104314683 B CN 104314683B CN 201410496787 A CN201410496787 A CN 201410496787A CN 104314683 B CN104314683 B CN 104314683B
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Abstract
The invention relates to an engine for a powered surfboard or a motorboat, in particular to an improved single-cylinder two-stroke water-cooled engine. A one-way bearing, a planetary speed reducer and a starting motor in an engine starting mechanism are arranged on a line overlapped with a central line of an engine crankshaft, and a central line of a carburetor is arranged at the position, overlapped with a central line of a crankcase, on one side of the crankcase, so that the overall height of the engine is reduced. Due to the fact that the structure is compact, the size and the overall weight of the improved single-cylinder two-stroke water-cooled engine are reduced, the rotation speed is increased, and the output power is improved.
Description
Technical field
The present invention relates to power surfboard or motor boat engine, especially a kind of compact conformation, reduce volume, reduction
Whole height, the modified model single-cylinder double stroke water-cooled engine of quality, raising rotating speed and output.
Background technology
Surfing is because it is fabulous and effectively takes exercises and enjoys liking of people.Common surfboard must be borrowed
The thrust of group stormy waves can use, and when no stormy waves or stormy waves are less, it is due public that surfboard just loses it.For realizing
When no stormy waves or stormy waves are less also can surfing heartily, the power surfboard of prior art a kind of using electromotor as dynamic
Power, surfing can also sail row across the sea on calm water surface；The power surfboard of the type generally comprise hull assembly,
Power set, control crank, main empennage, hull assembly is prolate ellipsoidal streamline hollow structure, Middle face on hull assembly
Position is provided with the big lid of body, and power set are arranged on hollow part in hull, and the head of hull assembly is provided with kuppe, manipulates handss
Handle is connected on kuppe by drag-line pipe, and the afterbody below hull assembly is provided with main empennage, and the front end both sides of main empennage are provided with
Left side flap, right side flap.Power set adopt Fuel Petroleum, and operation handle is provided with controlling switch, operability during surfing, recreational
By force.
Conventional water-powered sports equipment, mostly adopts existing pedal motorcycle engine, band reducing gear and multiple
The structures such as miscellaneous startup, speed change, noise reduction, weight reaches 20 kilograms about, and rotating speed is low, and power is low, complex structure, and volume
Greatly, make the enging cabin larger of dynamic movement equipment, hull weight greatly increases, with domestic existing Kunshan Mei Ji power
As a example surfboard, its product weight the lightest all reaches 75kg.Serious restriction power surfboard or motor boat are to lightweight corpusculum
Long-pending direction is developed
In sum, the power surfboard of prior art or motor boat are big with engine quality, and rotating speed is low, and power is low, knot
Structure is complicated, and volume is big, is unfavorable for that power surfboard or motor boat develop to lightweight small size direction.
Content of the invention
It is an object of the invention to provide a kind of compact conformation, reduce volume, reduce whole height, quality, improve rotating speed and
The modified model single-cylinder double stroke water-cooled engine of output.
The technical scheme is that a kind of modified model single-cylinder double stroke water-cooled is started for realizing above-mentioned purpose of the present invention
Machine, including crankcase, the startup motor of actuating mechanism, carburetor and cylinder；Wherein: in the crankshaft output end of crankcase
The other end be fixed with unilateral bearing, the output shaft of the unilateral bearing installation set of this unilateral bearing and planetary reducer is even
Connect, the input shaft of this planetary reducer is the output shaft starting motor；
Cylinder and carburetor, the centrage of this cylinder and song are provided with the crankcase of bent axle both sides
The centrage of axle box overlaps, the centrage of carburetor and the centerline parallel of crankcase or overlap；
Described carburetor is connected with the air inlet of crankcase by admission line, in the air inlet of admission line and crankcase
Between be provided with air inlet leaf valve；
It is provided with for being connected with the fixed mount being fixed in enging cabin on described crankcase and cylinder shell
Rack mounting apertures, described cylinder shell is provided with and the coolant outlet of the inner space of cylinder, cold
But water inlet and exhaust manifolds.
Due to said structure, compact conformation, reduce volume, reduce total quality, improve rotating speed and output.
Brief description
The present invention can be further illustrated by the nonlimiting examples that accompanying drawing is given.
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the right side structural representation of Fig. 1.
Fig. 3 is the overlooking the structure diagram of Fig. 1.
Fig. 4 is the structural representation of actuating mechanism of the present invention.
In figure: 701, exhaust manifolds；703rd, cooling water inlet；704th, crankcase；705th, shaft coupling；706th, unilateral bearing；
707th, planetary reducer；708th, start motor；709th, cylinder；710th, carburetor；711st, admission line；712nd, enter
Gas leaf valve；713rd, rack mounting apertures；714th, coolant outlet；715th, unilateral bearing installation set；716th, actuating mechanism shell；
717th, o type sealing ring；718th, outside framework oil seal；719th, two-stage planetary reduction gear；720th, start motor output shaft；721st, export
Axle；722nd, fixed bolt hole.
Specific embodiment
The invention will be further described with reference to the accompanying drawings and examples:
Referring to accompanying drawing 1 to 3, the modified model single-cylinder double stroke water-cooled engine of in figure, including crankcase 704, actuating mechanism
Startup motor 708, carburetor 710 and cylinder 709；It is characterized in that: crankcase 704 crankshaft output end another
One end is fixed with unilateral bearing 706, and the unilateral bearing installation set 715 of this unilateral bearing 706 is defeated with planetary reducer 707
Shaft 721 connects, and the input shaft of this planetary reducer 707 is the output shaft starting motor 708；
Cylinder 709 and carburetor 710 are provided with the crankcase 704 of bent axle both sides, this cylinder 709
Centrage overlap with the centrage of crankcase 704, the centerline parallel of the centrage of carburetor 710 and crankcase 704 or weight
Close；
Described carburetor 710 is connected with the air inlet of crankcase 704 by admission line 711, in admission line 711 and song
It is provided with air inlet leaf valve 712 between the air inlet of axle box 704；
Be provided with described crankcase 704 and/or cylinder 709 shell for be fixed on consolidating in enging cabin
Determine the rack mounting apertures 713 of frame connection, described cylinder 709 shell is provided with the inner chamber company with cylinder 709
Logical coolant outlet 714, cooling water inlet 703 and exhaust manifolds 701.In this embodiment, due to described structure, make to start
The whole height of machine is extremely low, no any deceleration device during power output, alleviates the weight of electromotor, the rotating speed of this electromotor can
Realize 10000r/min-20000r/min, improve rotating speed and output.
For ease of exporting power, in above-described embodiment, preferably: the crankshaft output end of described crankcase 704 is provided with connection
Axial organ 705.
For ensure accuracy of detection, in above-described embodiment, preferably: described shaft coupling 705 cylindrical on single boss is installed
Formula crankshaft position sensor.This single projective table type crankshaft position sensor so that detection signal is accounted for circumferential angle is little, accuracy of detection is higher,
Provide accurate crankshaft-position signal for ignition controller.
For ensureing ignition performance, in above-described embodiment, preferably: it is provided with lighter on described cylinder 709, should
Lighter 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 described air inlet leaf valve (712)
The V-shaped valve amassing for the big cross section of fluid channel that carbon fiber board is made is so that the lightweight and natural frequency of vibration of air inlet leaf valve 712 is high.
Referring to accompanying drawing 4, for making mechanism minimized height, in above-described embodiment, preferably: described actuating mechanism also wraps
Include actuating mechanism housing 716, the startup motor 708 in actuating mechanism housing 716 inner chamber and planetary reducer 707；
Described planetary reducer 707 is arranged on the startup motor output shaft 720 starting motor 708, this planet tooth
It is connected with unilateral bearing installation set 715, the inner ring of this unilateral bearing installation set 715 and list on the output shaft 721 of wheel decelerator 707
Outer ring to bearing 706 is fixed, and the inner ring of unilateral bearing 706 is connected with the bent axle of two-stroke water cooled electromotor.In this embodiment
In, due to described structure, during use, by the bent axle of the crankcase in two-stroke water cooled electromotor for the actuating mechanism integral installation,
Effectively reduce the setting height(from bottom) of actuating mechanism, so that the whole height of two-stroke water cooled electromotor is reduced, so that power is rushed
The plate body thickness of wave plate or motor boat can accordingly reduce, and makes plate body weight reduction.This structure makes the letter of actuating mechanism structure
Change, moving component is all in actuating mechanism shell 716, it is to avoid old money engine retard gear train exposes and need to install protective case additional
Problem.
For ensureing sealing property, in above-described embodiment, preferably: the inwall of described actuating mechanism housing 716 and one-way shaft
It is provided with outside framework oil seal 718 between the outer wall holding installation set 715.
For ease of loading and unloading, in above-described embodiment, preferably: fixed bolt hole is arranged on described actuating mechanism shell 716
722, during use, through fixed bolt hole 722, whole actuating mechanism is fixed to the song of two-stroke water cooled electromotor by bolt
On axle box.
For improving sealing further, in above-described embodiment, preferably: be provided with actuating mechanism shell 716 for
O type sealing ring 717 with the crankcase seals of two-stroke water cooled electromotor.
For ensureing to slow down and taking into account the volume reducing whole actuating mechanism, in above-described embodiment, preferably: described planet tooth
Two-stage planetary reduction gear 719 is installed in wheel decelerator 707.
In the above-described embodiments, in the actuating mechanism of described two-stroke water cooled electromotor, all parts are arranged in bent axle
On the extended line of heart line.
For ease of installing deafener at exhaust manifolds 701, in above-described embodiment, preferably: described exhaust manifolds 701 and song
The crankshaft output end of axle box 704 is located at the same side of crankcase 704.
Using two-stroke water cooled electromotor of the present invention, designing and manufacturing portable powered surfboard, microlight-type motor
During ship, can significantly reduce enging cabin height dimension, corresponding reduction hull height size, hull weight reduces, sends out in addition
Motivation weight itself is extremely low so that power surfboard or motor boat develop to lightweight small size direction becomes possible to.
Obviously, all embodiments of foregoing description are a part of embodiments of the present invention, rather than whole embodiments.Base
In embodiments of the invention, it is all other that those of ordinary skill in the art are obtained under the premise of not making creative work
Embodiment, broadly falls into the category of present invention protection.
In sum, compact conformation of the present invention, reduces volume, reduces total quality, improves rotating speed and defeated
Go out power.
Claims (10)
1. a kind of modified model single-cylinder double stroke water-cooled engine, including crankcase (704), the startup motor (708) of actuating mechanism,
Carburetor (710) and cylinder (709)；It is characterized in that: fix in the other end of the crankshaft output end of crankcase (704)
There is unilateral bearing (706), the unilateral bearing installation set (715) of this unilateral bearing (706) is defeated with planetary reducer (707)
Shaft (721) connects, and the input shaft of this planetary reducer (707) is the output shaft starting motor (708)；
Cylinder (709) and carburetor (710), this cylinder are provided with the crankcase (704) of bent axle both sides
(709) centrage is overlapped with the centrage of crankcase (704), the center of the centrage of carburetor (710) and crankcase (704)
Line is parallel or overlaps；
Described carburetor (710) is connected with the air inlet of crankcase (704) by admission line (711), in admission line (711)
It is provided with air inlet leaf valve (712) and the air inlet of crankcase (704) between；
Be provided with described crankcase (704) and/or cylinder (709) shell for be fixed in enging cabin (2)
Fixed mount connect rack mounting apertures (713), described cylinder (709) shell is provided with and cylinder
(709) coolant outlet (714) of inner space, cooling water inlet (703) and exhaust manifolds (701).
2. modified model single-cylinder double stroke water-cooled engine according to claim 1 it is characterised in that: described crankcase
(704) crankshaft output end is provided with shaft coupling (705).
3. modified model single-cylinder double stroke water-cooled engine according to claim 2 it is characterised in that: described shaft coupling
(705) on cylindrical, single projective table type crankshaft position sensor is installed, this single projective table type crankshaft position sensor makes detection signal
Account for circumferential angle little, accuracy of detection is higher, be that ignition controller provides accurate crankshaft-position signal and tach signal.
4. modified model single-cylinder double stroke water-cooled engine according to claim 1 it is characterised in that: described cylinder
(709) it is provided with lighter on, this lighter is the inductance type ignitor of speed limit 20000r/min.
5. modified model single-cylinder double stroke water-cooled engine according to claim 1 it is characterised in that: described air inlet leaf valve
(712) it is the V-shaped valve that reed is amassed by the big cross section of fluid channel that carbon fiber board is made.
6. modified model single-cylinder double stroke water-cooled engine according to claim 1 it is characterised in that: described actuating mechanism is also
Including actuating mechanism shell (716), the startup motor (708) in actuating mechanism shell (716) inner chamber and planetary gear reduction
Fast device (707)；
Described planetary reducer (707) is arranged on the startup motor output shaft (720) starting motor (708), this planet
It is connected with unilateral bearing installation set (715), this unilateral bearing installation set (715) on the output shaft (721) of gear reduction unit (707)
The outer ring of inner ring and unilateral bearing (706) fix, the bent axle of the inner ring of unilateral bearing (706) and two-stroke water cooled electromotor is even
Connect；It is provided with outside framework oil seal between the inwall of described actuating mechanism shell (716) and the outer wall of unilateral bearing installation set (715)
(718).
7. modified model single-cylinder double stroke water-cooled engine according to claim 6 it is characterised in that: outside described actuating mechanism
Shell (716) is upper to arrange fixed bolt hole (722), during use, passes through fixed bolt hole (722) by whole actuating mechanism by bolt
It is fixed on the crankcase of two-stroke water cooled electromotor.
8. modified model single-cylinder double stroke water-cooled engine according to claim 6 it is characterised in that: in actuating mechanism shell
(716) it is provided with for o type sealing ring (717) with the crankcase seals of two-stroke water cooled electromotor.
9. modified model single-cylinder double stroke water-cooled engine according to claim 6 it is characterised in that: described planetary gear reduction
On the output shaft (721) of fast device (707), two-stage planetary reduction gear (719) is installed.
10. modified model single-cylinder double stroke water-cooled engine according to claim 1 it is characterised in that: described exhaust manifolds
(701) it is located 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 |
|---|---|---|---|
| CN201410496787.5A CN104314683B (en) | 2014-09-25 | 2014-09-25 | Improved single-cylinder two-stroke water-cooled engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410496787.5A CN104314683B (en) | 2014-09-25 | 2014-09-25 | Improved single-cylinder two-stroke water-cooled engine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104314683A CN104314683A (en) | 2015-01-28 |
| CN104314683B true CN104314683B (en) | 2017-02-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410496787.5A Active CN104314683B (en) | 2014-09-25 | 2014-09-25 | Improved single-cylinder two-stroke water-cooled engine |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT395636B (en) * | 1985-07-25 | 1993-02-25 | Avl Verbrennungskraft Messtech | SINGLE-CYLINDER, TWO-STOCK COMBUSTION ENGINE WITH CRANKCASE RINSE |
| US5388555A (en) * | 1992-04-03 | 1995-02-14 | Honda Giken Kogyo Kabushiki Kaisha | Outboard engine assembly |
| CN2703878Y (en) * | 2004-04-30 | 2005-06-08 | 殷太望 | Water-cooled CB125 engine |
| CN201620986U (en) * | 2010-01-29 | 2010-11-03 | 无锡浜马通用机械制造有限公司 | Engine used for light motorcycles and electric bicycles |
| CN204200365U (en) * | 2014-09-25 | 2015-03-11 | 重庆特飞航空动力科技有限公司 | Modified model single-cylinder double stroke water cooled engine |
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Address after: 530600 the Guangxi Zhuang Autonomous Region Ma Shan county, Jiangsu Province, the Pearl River Industrial Park, rural migrant workers Park No. 2 standard factory building, floor one or two Patentee after: GUANGXI TEFEI AVIATION POWER TECHNOLOGY CO.,LTD. Address before: 405401 Chongqing city Kaixian Zhao Industrial Park building 21 Patentee before: CHONGQING TEFEI AVIATION POWER TECHNOLOGY CO.,LTD. |
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Effective date of registration: 20220726 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 one or two, the 2 standard workshop of peasant worker Pioneer Park, Subo Industrial Park, Mashan County, the Guangxi Zhuang Autonomous Region. Patentee before: GUANGXI TEFEI AVIATION POWER TECHNOLOGY CO.,LTD. |