CN204197248U

CN204197248U - Microlight-type multifunction dynamic surfboard

Info

Publication number: CN204197248U
Application number: CN201420554997.0U
Authority: CN
Inventors: 邓六学; 程中云
Original assignee: CHONGQING TEFEI AVIATION POWER SCIENCE & TECHNOLOGY Co Ltd
Current assignee: Tefei Sports Culture Development Hainan Co ltd
Priority date: 2014-09-25
Filing date: 2014-09-25
Publication date: 2015-03-11
Anticipated expiration: 2024-09-25

Abstract

The utility model relates to power surf board, i.e. a kind of microlight-type multifunction dynamic surfboard, comprise buoyancy plate body, be positioned at the machinery space of this buoyancy plate body, be arranged on the driving engine in machinery space and fuel-feed system, by engine drive and water injector is positioned at the water jet propulsion pump at buoyancy plate body bottom panel rear portion, and be positioned at control handle and the handrail of buoyancy plate body top panel front portion, the air extractor vent being positioned at buoyancy plate body top panel front portion is communicated with the closed channel formed with machinery space be free air diffuser; Wherein: described driving engine is two-stroke water cooled driving engine, this two-stroke water cooled driving engine is connected with the impeller shaft of water jet propulsion pump by coupler; Engine-cooling system, machinery space drainage system and control system is also provided with in described machinery space.Due to described structure, reduce plate body and machinery space size, reduce total quality, be easy to carry, reduce energy consumption, reduce productive costs and use cost.

Description

Microlight-type multifunction dynamic surfboard

Technical field

The utility model relates to power surf board, especially a kind of microlight-type multifunction dynamic surfboard reducing plate body and machinery space size, reduce total quality, be easy to carry, reduce energy consumption, reduce productive costs and reduce use cost.

Background technology

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 driving engine 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, engine installation, bar handle, main empennage, hull assembly is prolate ellipsoidal streamline hollow structure, above hull assembly, medium position is provided with the large lid of body, engine installation is arranged on hollow part in hull, the head of hull assembly is provided with streamlined reefer housing, bar handle is connected on streamlined reefer housing 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.Engine installation adopts Fuel Petroleum, and operating handle is provided with master cock, operability during surfing, by force recreational.

But the power surf board of prior art is due to himself structure, make large, the whole plate body size of machinery space size large, total quality is large, is not easy to carry, has carried out limitation to surfing Sports band; In use, water is easy to enter machinery space simultaneously, and the machinery space of unrestrained water further increases total quality and easily damages driving engine, increases use cost.

Utility model content

The purpose of this utility model is to provide a kind of microlight-type multifunction dynamic surfboard reducing plate body and machinery space size, reduce total quality, be easy to carry, reduce energy consumption, reduce productive costs and reduce use cost.

The technical scheme adopted for realizing the utility model above-mentioned purpose is: a kind of microlight-type multifunction dynamic surfboard, comprise buoyancy plate body, be positioned at the machinery space of this buoyancy plate body, be positioned at machinery space hatch place and by machinery space seal engine compartment cover, be arranged on the driving engine in machinery space and fuel-feed system, by engine drive and water injector is positioned at the water jet propulsion pump at buoyancy plate body bottom panel rear portion, and be positioned at control handle and the handrail of buoyancy plate body top panel front portion, the air extractor vent being positioned at buoyancy plate body top panel front portion is communicated with the closed channel formed with machinery space be free air diffuser, wherein:

Described driving engine is two-stroke water cooled driving engine, and this two-stroke water cooled driving engine is connected with the impeller shaft of water jet propulsion pump by coupler, and this impeller shaft is fixed with impeller; Described two-stroke water cooled waste pipe stretches out buoyancy plate body bottom panel afterbody;

Also be provided with engine-cooling system, machinery space drainage system and control system in described machinery space, this control system is connected with control handle with stay cord by cable; Described control system controls the keying of two-stroke water cooled driving engine and machinery space drainage system; The malleation chamber of two-stroke water cooled driving engine is communicated with the malleation chamber of water jet propulsion pump by the cooling water pipe of described engine-cooling system.

Due to said structure, engine cylinder-body, the carburettor of described two-stroke water cooled driving engine are arranged in crankcase both sides horizontal direction, whole height is low, it exports one end that coupler is directly fixed on engine crankshaft, without any speed reduction gearing, driving engine exports coupler and is directly connected with the impeller shaft of water jet propulsion pump, and this impeller shaft is fixed with impeller; Wheel speed is high, and corresponding diameter is little, reduces plate body and machinery space size, reduces total quality, is easy to carry, reduces energy consumption, reduces productive costs and use cost.

Accompanying drawing explanation

The nonlimiting examples that the utility model can be provided by accompanying drawing further illustrates.

Fig. 1 is structural representation of the present utility model.

Fig. 2 is the back view of Fig. 1.

Fig. 3 is the structural representation of the utility model plate body top panel.

Fig. 4 is the structural representation that the utility model has polyurethane foam obturator.

Fig. 5 is the structural representation of the utility model buoyancy plate body Split socket type.

Fig. 6 is the splited articulated structural representation of the utility model buoyancy plate body.

Fig. 7 be Fig. 6 look up structural representation.

Fig. 8 is the structural representation at the utility model water-cooled jacketed muffle device place.

Fig. 9 is the structural representation at the utility model engine-cooling system place.

Figure 10 is the structural representation of the utility model single cylinder engine.

Figure 11 is the right TV structure schematic diagram of Figure 10.

Figure 12 is the plan structure schematic diagram of Figure 10.

Figure 13 is the structural representation of the utility model improved type single cylinder engine.

Figure 14 is the plan structure schematic diagram of Figure 13.

Figure 15 is the right TV structure schematic diagram of Figure 13.

Figure 16 is the structural representation of the utility model double-cylinder engine.

Figure 17 is the plan structure schematic diagram of Figure 16.

Figure 18 is the right TV structure schematic diagram of Figure 16.

Figure 19 is the structural representation of the utility model driving engine actuating mechanism.

Figure 20 is the structural representation at the utility model fuel-feed system place.

Figure 21 is diaphragm fuel feeding theory structure schematic diagram in the utility model fuel-feed system.

Figure 22 is the structural representation of the another embodiment of the utility model fuel-feed system.

Figure 23 is the structural representation of the utility model fuel-feed system another embodiment when installing and using.

Figure 24 is the structural representation of flexible oil tank in the utility model fuel-feed system.

Figure 25 is the structural representation after the fluid use half of Figure 24.

Figure 26 is the structural representation after the fluid of Figure 24 almost exhausts.

Figure 27 is the structural representation at the utility model fuel-feed system place.

Figure 28 is the structural representation at the utility model control system place.

Figure 29 is the structural representation at the utility model control system place.

Figure 30 is the structural representation at control handle place in the utility model control system.

Figure 31 is the structural representation at another control handle place in the utility model control system.

Figure 32 is the structural representation at a control handle place again in the utility model control system.

Figure 33 is the structural representation in the utility model control system with remote pilot handle.

Figure 34 is the structural representation of the utility model control system middle controller.

Figure 35 is the structural representation of a kind of embodiment of the utility model machinery space drainage system.

Figure 36 is the structural representation of another embodiment of the utility model machinery space drainage system.

Figure 37 is the structural representation of another embodiment of the utility model machinery space drainage system.

Figure 38 is the structural representation of the utility model water jet propulsion pump.

Figure 39 is the structural representation of the utility model water jet propulsion pump and coupler junction.

Figure 40 is the structural representation of the utility model handrail and control handle.

Figure 41 is the structural representation of the utility model engine compartment cover.

Figure 42 is the left TV structure schematic diagram of Figure 41.

Figure 43 is the structural representation of the another embodiment of the utility model engine compartment cover.

Figure 44 is the structural representation at the utility model knapsack side place.

Figure 45 is the structural representation at knapsack another side of the present utility model place.

Figure 46 is the knapsack that the accommodates plate body fixing schematic diagram at roof.

Figure 47 is fixed rod structure schematic diagram.

In figure: 1, buoyancy plate body; 101, drag-line hole; 102, engine cooling water out; 103, machinery space discharge port; 1041, fin is balanced; 1051, unrestrained bar is pressed; 104, dividing plate; 105, chamber is filled; 106, polyurethane foam obturator; 107, free air diffuser; 108, buoyancy plate body A; 109, buoyancy plate body B; 1010, edge I is docked; 1011, inserting groove; 1012, edge II is docked; 1013, connection-peg; 1014, fixed orifice I; 1015, fixed orifice II; 1016, screw; 1017, annular inserting groove; 1018, annular grafting boss; 1019, hinge; 1020, adjustable zip; 2, machinery space; 3, fuel-feed system; 301, fuel tank; 302, oil hose; 303, filter; 304, manual gas pump; 305, diaphragm fuel pump; 306, power cavity interface I; 307, interface II; 308, interface III; 309, PU pipe; 310, bypass connecting hose; 311, diaphragm; 312, diaphragm fuel pump check valve I; 313, diaphragm fuel pump check valve I; 314, seal cover cap; 315, oil filling port; 315, gravity oil suction ball; 316, enclosed flexible oil tank oil outlet; 317, closed type oil case lid; 320, malleation gas transmission interface; 321, malleation air hose; 322, three-limb tube joint; 323, malleation gas transmission check valve; 324, manual compression pump; 325, air admission port; 4, water jet propulsion pump; 401, waterjet propulsion pump case; 402, impeller shaft; 403, impeller; 404, bearing seat I; 405, thrust baring; 406, deep groove ball bearing; 407, conical flow guiding cover; 408, bearing I; 409 water jet propulsion pump fixed mounts; 410, outside framework oil seal I; 411, coupler II; 412, outside framework oil seal II; 413, arc-like sheet; 5, control handle; 501, master cock; 502, throttle trigger; 503, throttle trigger position sensor; 504, carrier transmit circuit and emitting antenna; 505, there is the PLC control strip of coder; 507, wrist strap; 6, handrail; 7, two-stroke water cooled driving engine; 701, exhaust guide; 702, freeing pipe; 703, cooling water inlet; 704, crankcase; 705, coupler; 706, unilateral bearing; 707, epicyclic reduction gear; 708, starter motor; 709, engine cylinder; 710, carburettor; 711, induction tract; 712, air inlet leaf valve; 713, rack mounting apertures; 714, cooling water outlet; 717, two-stroke engine crankcase outlet; 715, unilateral bearing installation sleeve; 716, actuating mechanism shell; 7171, O RunddichtringO; 718, outside framework oil seal; 719, two-stage planetary reduction gear; 720, starter motor output shaft; 721, output shaft; 722, fixed bolt hole; 8, engine-cooling system; 801, cooling water pipe; 802, drain hose I; 9, machinery space drainage system; 901, drain hose II; 902, machinery space drain hose; 903, machinery space drain filter; 904, machinery space check valve of water drainage; 905, machinery space drain hose fixed support; 906, machinery space draining diaphragm pump; 907, machinery space draining connecting hose; 908, direct current drive dewatering pump; 909, Waterproof cable joint; 910, level switch; 911, hard tube is connected; 10, engine compartment cover; 10a, lid; 10b, engine compartment cover mounting hole; 10c, rubber seal; 10d, lug boss; 11, air extractor vent; 12, control system; 1201, cable; 1202, stay cord; 1203, there is the controller of PLC control strip; 1204, throttle actuator; 1205, receiving element demoder; 1206, receiving wire; 1207, controller housing; 1208, controller limit lid; 1209, joint for sealing connecting; 1210, bowl-type gel silica membrane; 1211, pressing plate; 1214, Waterproof cable joint I; 1215, surface-mounted integrated circuit; 13, water-cooled jacketed muffle device; 1301, housing; 1302, inlet end; 1303, outlet side; 1304, O RunddichtringO I; 1305, Compress Spring; 1306, cold water inlet; 1307, endoporus; 1308, check valve I; 1309, conical suface; 1311, high temperature resistant gum cover.

Detailed description of the invention

Below in conjunction with drawings and Examples, the utility model is described in further detail:

See accompanying drawing 1, a kind of microlight-type multifunction dynamic surfboard in figure, comprise buoyancy plate body 1, be positioned at the machinery space 2 of this buoyancy plate body 1, be positioned at the hatch place of machinery space 2 and the engine compartment cover 10 sealed by machinery space 2, be arranged on the driving engine in machinery space 2 and fuel-feed system 3, by engine drive and water injector is positioned at the water jet propulsion pump 4 at buoyancy plate body 1 bottom panel rear portion, and be positioned at control handle 5 and the handrail 6 of buoyancy plate body 1 top panel front portion, the air extractor vent 11 being positioned at buoyancy plate body 1 top panel front portion is communicated with the closed channel formed with machinery space 2 be free air diffuser 107, wherein:

Described driving engine is two-stroke water cooled driving engine 7, and this two-stroke water cooled driving engine 7 is connected with the impeller shaft 402 of water jet propulsion pump 4 by coupler 705, and this impeller shaft 402 is fixed with impeller 403; The freeing pipe 702 of described two-stroke water cooled driving engine 7 stretches out buoyancy plate body 1 bottom panel afterbody;

Also be provided with engine-cooling system 8, machinery space drainage system 9 and control system 12 in described machinery space 2, this control system 12 is connected with control handle 5 with stay cord 1202 by cable 1201; Described control system 12 controls the keying of two-stroke water cooled driving engine 7 machinery space drainage system 9; The malleation chamber of two-stroke water cooled driving engine 7 is communicated with the malleation chamber of water jet propulsion pump 4 by the cooling water pipe 801 of described engine-cooling system 8.In this embodiment, due to buoyancy plate body 1 adopt lightweight carbon fiber composite material, driving engine adopts high rotating speed without the two-stroke water cooled driving engine 7 of transmission system, the high-speed spray boost pump 4 that this two-stroke water cooled driving engine 7 and carbon fiber composite material make directly is connected, driving engine, water jet propulsion pump 4 and buoyancy plate body 1 weight are all significantly reduced, and described in this structure, microlight-type multifunction dynamic surfboard weight is within 15KG.Stand uses, saddle of the drag-line simultaneously achieving power surf board due to the setting of control handle 5 uses and the multifunctional usage of stick-up use.

See accompanying drawing 2, for ensureing the stability of power surf board high-speed cruising, in above-described embodiment, preferably: the bottom panel two sides of tail of described buoyancy plate body 1 is provided with balance fin 1041, the bottom panel of the buoyancy plate body 1 between two balance fins 1041 is provided with the unrestrained bar 1051 of pressure, and this pressure wave bar 1051 extends to the bottom panel head of buoyancy plate body 1 from the bottom panel afterbody of buoyancy plate body 1.In this embodiment, quantity the best of balance fin 1041 is two, presses quantity the best of unrestrained bar 1051 to be four; Certainly can change to some extent according to actual conditions.

See accompanying drawing 3, for ease of assembling, in above-described embodiment, preferably: the top panel of described buoyancy plate body 1 is provided with the drag-line hole 101 of machinery space 2 connection, engine cooling water out 102 and machinery space discharge port 103; Described drag-line hole 101 current supply cable 1201 and stay cord 1202 extend there through, described engine cooling water out 102 extends there through for the drain hose I 802 of engine-cooling system 8, and described machinery space discharge port 103 extends there through for the drain hose II 901 of machinery space drainage system 9.

See accompanying drawing 4, in above-described embodiment, preferably: this inner chamber is divided into separate filling chamber 105 and machinery space 2 by dividing plate 104 by the inner chamber of described buoyancy plate body 1; The polyurethane foam obturator 106 mated with it is filled with in filling chamber 105.This embodiment, under the prerequisite ensureing same intensity, reduces plate body thickness as much as possible, reduces carbon fiber use amount, reduce productive costs, and effectively ensure or improve bulk strength.

See accompanying drawing 5 to 7, for ease of carrying and rapid-assembling, in above-described embodiment, preferably: described buoyancy plate body 1 is docked by separate buoyancy plate body A108 and buoyancy plate body B109 two parts and combines, machinery space 2 is positioned at buoyancy plate body A108, and air extractor vent 11 is positioned on the top panel of buoyancy plate body B109.

See accompanying drawing 5, for ease of carrying and rapid-assembling, in above-described embodiment, preferably: connected as one by buoyancy plate body A108 and buoyancy plate body B109 by hinge 1019 bottom the butt joint edge of described buoyancy plate body A108 and buoyancy plate body B109, buoyancy plate body A108 and buoyancy plate body B109 is fixed as one by adjustable zip 1020 by the butt joint edge top of buoyancy plate body A108 and buoyancy plate body B109; Be positioned at free air diffuser 107 on buoyancy plate body A108 and buoyancy plate body B109 by bellows or hollow rubber soft pipe connection.In this embodiment, that can shorten buoyancy plate body 1 when carrying carries length, can rapid-assembling after arriving surfing place.

See accompanying drawing 6 and accompanying drawing 7, for ease of carrying and rapid-assembling, in above-described embodiment, preferably: described buoyancy plate body A108 is provided with inserting groove 1011 with docking in edge I 1010 of buoyancy plate body B109, buoyancy plate body B109 docks with buoyancy plate body A108's the connection-peg 1013 edge II 1012 being provided with and mating with inserting groove 1011, and this connection-peg 1013 inserts in inserting groove 1011 and connected as one by buoyancy plate body A108 and buoyancy plate body B109; Fixed orifice I 1014 is provided with on the plate body wall docking between edge I 1010 on buoyancy plate body A108 at machinery space 2, docking edge II 1012 sidewall on buoyancy plate body B109 is provided with the fixed orifice II 1015 mated with fixed orifice I 1014, and buoyancy plate body A108 and buoyancy plate body B109 is fixed as one by the screw 1016 successively through fixed orifice I 1014 and fixed orifice II 1015;

Be positioned at buoyancy plate body A108 to be communicated with by bellows with the free air diffuser 107 on buoyancy plate body B109, or free air diffuser 107 place being positioned at docking edge I 1010 place on buoyancy plate body A108 has annular inserting groove 1017, free air diffuser 107 place being positioned at docking edge II 1012 place on buoyancy plate body B109 has the annular grafting boss 1018 mated with annular inserting groove 1017, inserting in annular inserting groove 1017 after this annular grafting boss 1018 outer suit seal ring 1019, being communicated with being positioned at buoyancy plate body A108 with the free air diffuser 107 on buoyancy plate body B109.In this embodiment, that can shorten buoyancy plate body 1 when carrying carries length, can rapid-assembling after arriving surfing place.

See accompanying drawing 8, for reducing noise, improve surfing traveling comfort, in above-described embodiment, preferably: described two-stroke water cooled driving engine 7 has exhaust guide 701, the outlet side of these exhaust guide 701 is fixed with water-cooled jacketed muffle device 13, and this water-cooled jacketed muffle device 13 comprises again

Housing 1301, is positioned at inlet end 1302 and the outlet side 1303 at housing 1301 two ends, and is arranged in the silencer champer of housing 1301 inner chamber; Described outlet side 1303 is inserted in freeing pipe 702, O RunddichtringO 1304 is provided with between the outer wall of this outlet side 1303 and the inwall of freeing pipe 702, on the outer wall of outlet side 1303, cover has Compress Spring 1305, and the two ends of this Compress Spring 1305 are tight against the one end in freeing pipe 702 end and housing 1301 respectively;

The port of described inlet end 1302 has the interface mated with the exhaust guide 701 of driving engine;

Described housing 1301 is provided with the cold water inlet 1306 be communicated with silencer champer; Check valve I 1308 is provided with in the endoporus 1307 of described outlet side 1303; Described freeing pipe 702 end has the conical suface 1309 being convenient to be connected with outlet side 1303.

For ease of installing, in above-described embodiment, preferably: the port of described inlet end 1302, built with high temperature resistant gum cover 1311, has the interface mated with the exhaust guide 701 of driving engine in this is high temperature resistant gum cover 1311.

See accompanying drawing 9, for ensureing the service life of driving engine, reduce maintenance and use cost, in above-described embodiment, preferably: described engine-cooling system 8 comprises again

The malleation cooling water inlet pipe 404 be communicated with the malleation chamber of water jet propulsion pump 4, this malleation cooling water inlet pipe 404 passes the shell of water jet propulsion pump 4 and the water inlet of malleation cooling water inlet pipe 404 and water jet propulsion pump 4 water (flow) direction are oppositely arranged, the water outlet of malleation cooling water inlet pipe 404 is communicated with the water inlet of cooling water pipe 801, the water outlet of this cooling water pipe 801 is fixed with tee connection 803, two other interface of this tee connection 803 is communicated with the cooling water inlet 703 be positioned on two-stroke water cooled driving engine 7 with cold water inlet 1306 respectively, described cooling water inlet 703 is communicated with the malleation chamber of two-stroke water cooled driving engine 7, the malleation chamber of this two-stroke water cooled driving engine 7 is communicated with the cooling water outlet 714 be positioned on two-stroke water cooled driving engine 7, described cooling water outlet 714 is communicated with drain hose I 802, this drain hose I 802 passes engine cooling water out 102.

The malleation cooling water inlet pipe 404 be communicated with the malleation chamber of water jet propulsion pump 4, this malleation cooling water inlet pipe 404 passes the shell of water jet propulsion pump 4 and the water inlet of malleation cooling water inlet pipe 404 and water jet propulsion pump 4 water (flow) direction are oppositely arranged, the water outlet of malleation cooling water inlet pipe 404 is communicated with the cooling water inlet 703 be positioned on two-stroke water cooled driving engine 7, described cooling water inlet 703 is communicated with the malleation chamber of two-stroke water cooled driving engine 7, the malleation chamber of this two-stroke water cooled driving engine 7 is communicated with the cooling water outlet 714 be positioned on two-stroke water cooled driving engine 7, described cooling water outlet 714 is communicated with drain hose I 802, this drain hose I 802 passes engine cooling water out 102.

See accompanying drawing 10 to 12, in above-described embodiment, preferably: described two-stroke water cooled driving engine 7 comprises again crankcase 704, starter motor 708, carburettor 710 and engine cylinder 709; 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 reduction gear 707, this planetary reduction gear 707 engages with the driven wheel on the output shaft of starter motor 708;

Described carburettor 710 is communicated with the admission port of crankcase 704 by induction tract 711, is provided with air inlet leaf valve 712 between induction tract 711 and the admission port of crankcase 704;

Described crankcase 704 and/or engine cylinder 709 shell are provided with the rack mounting apertures 713 for being connected with the fixed mount be fixed in machinery space, described engine cylinder 709 shell is provided with and the cooling water outlet 714 of the inner space of engine cylinder 709, cooling water inlet 703 and exhaust guide 701; The crankshaft output end of described crankcase 704 is provided with coupler 705; The cylindrical of described coupler 705 is provided with single projective table type crank-position sensor, and it is little that this single projective table type crank-position sensor makes detection signal account for circumferential angle, and accuracy of detection is higher, for ignition controller provides crankshaft-position signal and tach signal accurately; Described engine cylinder 709 is provided with firing unit, and this firing unit is the inductance type ignitor of speed limit 20000r/min; 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; Described exhaust guide 701 and the crankshaft output end of crankcase 704 are positioned at the same side of crankcase 704.This embodiment reduces the whole height of driving engine as much as possible, the installation site of starter motor 708 also reduces, make the whole height of driving engine extremely low, without any speed reduction gearing, alleviate the weight of driving engine, just described in this structure, two-stroke water cooled driving engine 7 significantly can reduce machinery space 2 size, corresponding reduction plate body size, overall weight is reduced, is easy to carry and reduces energy consumption.Described in this embodiment, two-stroke water cooled driving engine 7 is single cylinder engine.

See accompanying drawing 13 to 15, in above-described embodiment, preferably: described two-stroke water cooled driving engine 7 is improved type two-stroke water cooled driving engine, crankcase 704, the starter motor 708 of actuating mechanism, carburettor 710 and engine cylinder 709 is comprised again; Unilateral bearing 706 is fixed with at the other end of the crankshaft output end of crankcase 704, the unilateral bearing installation sleeve 715 of this unilateral bearing 706 is connected with the output shaft 721 of epicyclic reduction gear 707, and the input shaft of this epicyclic reduction gear 707 is output shafts of starter motor 708;

The crankcase 704 of bent axle both sides is provided with engine cylinder 709 and carburettor 710, and the line of centers of this engine cylinder 709 overlaps with the line of centers of crankcase 704, and the line of centers of carburettor 710 is with the centerline parallel of crankcase 704 or overlap;

Described crankcase 704 and/or engine cylinder 709 shell are provided with the rack mounting apertures 713 for being connected with the fixed mount be fixed in machinery space 2, described engine cylinder 709 shell is provided with and the cooling water outlet 714 of the inner space of engine cylinder 709, cooling water inlet 703 and exhaust guide 701; The crankshaft output end of described crankcase 704 is provided with coupler 705; The cylindrical of described coupler 705 is provided with single projective table type crank-position sensor, and it is little that this single projective table type crank-position sensor makes detection signal account for circumferential angle, and accuracy of detection is higher, for ignition controller provides crankshaft-position signal and tach signal accurately; Described engine cylinder 709 is provided with firing unit, and this firing unit is the inductance type ignitor of speed limit 20000r/min; 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.This embodiment reduces the whole height of driving engine as much as possible, the installation site of starter motor 708 also reduces, make the whole height of driving engine extremely low, alleviate the weight of driving engine, just described in this structure, two-stroke water cooled driving engine 7 significantly can reduce machinery space 2 size, corresponding reduction plate body size, makes overall weight reduce, is easy to carry and reduces energy consumption.Described in this embodiment, two-stroke water cooled driving engine 7 is single cylinder engine.

See accompanying drawing 19, for further reducing total quality, in above-described embodiment, preferably: described actuating mechanism also comprises actuating mechanism housing 716, starter motor 708 and the epicyclic reduction gear 707 of actuating mechanism housing 716 inner chamber is arranged in;

Described epicyclic reduction gear 707 is arranged on the starter motor output shaft 720 of starter motor 708, the output shaft 721 of this epicyclic reduction gear 707 is connected with unilateral bearing installation sleeve 715, the inner ring of this unilateral bearing installation sleeve 715 and the outer ring of unilateral bearing 706 are fixed, and the inner ring of unilateral bearing 706 is connected with the bent axle of two-stroke water cooled driving engine; Outside framework oil seal 718 is provided with between the inwall of described actuating mechanism housing 716 and the outer wall of unilateral bearing installation sleeve 715; Described actuating mechanism shell 716 arranges fixed bolt hole 722, during use, through fixed bolt hole 722, whole actuating mechanism is fixed on the crankcase of two-stroke water cooled driving engine by bolt; Actuating mechanism shell 716 is provided with the O RunddichtringO 7171 for the crankcase seals with two-stroke water cooled driving engine; The output shaft 721 of described epicyclic reduction gear 707 is provided with two-stage planetary reduction gear 719; Described exhaust guide 701 and the crankshaft output end of crankcase 704 are positioned at the same side of crankcase 704.In this embodiment, due to described structure, during use, by actuating mechanism integral installation on the bent axle of the crankcase of two-stroke water cooled driving engine, effectively reduce the setting height(from bottom) of actuating mechanism, the whole height of two-stroke water cooled driving engine is reduced, and the corresponding plate body thickness of power surf board or motor boat that makes can correspondingly reduce, and plate body weight is reduced.This structure makes actuating mechanism designs simplification, and movable parts, all in actuating mechanism shell 716, avoids old money engine retard gear cluster and exposes the problem that need install protective case additional.

See accompanying drawing 16 to 18, in above-described embodiment, preferably: described two-stroke water cooled driving engine 7 is twin-tub two-stroke water cooled driving engine, crankcase 704, the starter motor 708 of actuating mechanism, carburettor 710 and engine cylinder 709 is comprised again; Unilateral bearing 706 is fixed with at the other end of the crankshaft output end of crankcase 704, the unilateral bearing installation sleeve 715 of this unilateral bearing 706 is connected with the output shaft 721 of epicyclic reduction gear 707, and the input shaft of this epicyclic reduction gear 707 is output shafts of starter motor 708;

On the both sides of crankcase 704, dislocation is symmetrically arranged with two engine cylinders 709, and the line of centers of engine cylinder 709 overlaps with the line of centers of crankcase 704; Carburettor 710 is positioned at the top of crankcase 704, and described carburettor 710 is communicated with the admission port of crankcase 704 by induction tract 711, is provided with air inlet leaf valve 712 between induction tract 711 and the admission port of crankcase 704;

Described crankcase 704 and the rack mounting apertures 713 engine cylinder 709 shell is provided with for being connected with the fixed mount be fixed in machinery space 2, described engine cylinder 709 shell is provided with and the cooling water outlet 714 of the inner space of engine cylinder 709, cooling water inlet 703 and exhaust guide 701; The crankshaft output end of described crankcase 704 is provided with coupler 705; The cylindrical of described coupler 705 is provided with single projective table type crank-position sensor.It is little that this single projective table type crank-position sensor makes detection signal account for circumferential angle, and accuracy of detection is higher, for ignition controller provides crankshaft-position signal accurately; Described engine cylinder 709 is provided with firing unit, and this firing unit is the inductance type ignitor of speed limit 20000r/min; The V-shaped valve that the large cross section of fluid channel that described air inlet leaf valve 712 is made for carbon fiber board amasss; Described engine cylinder 709 line of centers overlap with the line of centers of crankcase 704; Described exhaust guide 701 and the crankshaft output end of crankcase 704 are positioned at the same side of crankcase 704.This embodiment reduces the whole height of driving engine as much as possible, the installation site of starter motor 708 also reduces, make the whole height of driving engine extremely low, alleviate the weight of driving engine, just described in this structure, two-stroke water cooled driving engine 7 significantly can reduce machinery space 2 size, corresponding reduction plate body size, makes overall weight reduce, is easy to carry and reduces energy consumption.Under the prerequisite not changing cylinder diameter, increase a cylinder, output torque is greatly increased, greatly improves the horsepower output of driving engine.Described in this embodiment, two-stroke water cooled driving engine 7 is double-cylinder engine.

See accompanying drawing 20 to 21, for ensureing fuel feeding safety, in above-described embodiment, preferably: described fuel-feed system 3 is diaphragm pump fuel-feed system, comprise again fuel tank 301, the oil hose group 302 of one end and fuel tank 301 inner space, other one end of this oil hose group 302 is used for being communicated with the oil inlet of the carburettor 710 of two-stroke water cooled driving engine 7;

The oil hose group 302 of fuel tank 301 to two-stroke water cooled driving engine 7 is disposed with filter 303, hand fuel oil pump 304 and diaphragm fuel pump 305, described diaphragm fuel pump 305 have three interfaces, described three interfaces are power cavity interface I 306 respectively, oil-feed interface II 307 and oil out port III 308, oil-feed interface II 307 is connected with the outlet of hand fuel oil pump 304, oil out port III 308 is connected with the oil inlet of carburettor 710, power cavity interface I 306 exports 717 by PU tracheae 309 and two-stroke engine crankcase and connects, the power of diaphragm pump is provided by the alternating pressure in two-stroke engine crankcase,

In the inner chamber of diaphragm fuel pump 305, be provided with diaphragm 310, in the endoporus of oil-feed interface II 307 and oil out port III 308, be respectively arranged with diaphragm fuel pump in line check valve 311 and diaphragm fuel pump oil outlet one-way valve 312; Described fuel tank 301 is provided with the oil filling port 314 of band open type oil tank lid 313, open type oil tank lid 313 is provided with the air extractor vent with air conducting, ensure that tank pressure equals bar pressure all the time; The oil inlet of described oil hose 302 stretches into fuel tank 301 intracavity bottom, fixes gravity oil suction ball 315 at the oil inlet place of this oil hose 302, and the oil suction place of this gravity oil suction ball 315 has filtering net.In this embodiment, the power of diaphragm fuel pump 305 is provided by the alternating pressure in two-stroke engine crankcase, reduces energy consumption, with the air extractor vent of air conducting, what open type oil tank lid 313 was arranged ensure that tank pressure equals bar pressure all the time; Hand fuel oil pump 304 is used as the initial fuel feeding of system and air-discharging.In this embodiment, diaphragm fuel pump 305 and engine and carburetor 710 combine the carburettor defining and be with fuel oil diaphragm pump, reduce further energy consumption.Fuel tank oil outlet is in high position, but in fuel tank, oil suction adopts gravity oil suction ball 315, and gravity oil suction ball 315 is connected with fuel tank oil outlet with flexible pipe, and ensure that hull is jolting in volume situation, gravity oil suction ball 315, also at fuel tank bottommost, realizes reliable fuel feeding.

See accompanying drawing 22,23 and 27, for effectively ensure surfing process IFO intermediate fuel oil not leakage pollution water body and cause safety tried, in above-described embodiment, preferably: described fuel-feed system 3 is malleation fuel-feed system, comprise again fuel tank 301, the oil hose 302 of one end and fuel tank 301 inner space, the carburettor 710 on other one end of this oil hose 302 and two-stroke water cooled driving engine 7 is connected, and oil hose 302 is provided with filter 303;

The top of described fuel tank 301 is provided with the malleation gas transmission interface 320 with fuel tank 301 inner space, this malleation gas transmission interface 320 is connected with one end of malleation air hose 321, the other end of this malleation air hose 321 exports 717 with the two-stroke engine crankcase of two-stroke water cooled driving engine 7 and is communicated with, and this two-stroke engine crankcase outlet 717 is communicated with the crankcase intracavity of two-stroke water cooled driving engine 7;

The malleation air hose 321 of fuel tank 301 to two-stroke water cooled driving engine 7 is disposed with three-limb tube joint 322 and malleation gas transmission check valve 323, the another one interface of described three-limb tube joint 322 and the outlet of manual compression pump 324 are connected, and this manual compression pump 324 is provided with air admission port 325;

Described fuel tank 301 is provided with the oil filling port 314 of band closed type oil case lid 317; The oil inlet of described oil hose 302 stretches into fuel tank 301 intracavity bottom, fixes gravity oil suction ball 315 at the oil inlet place of this oil hose 302, and the oil suction place of this gravity oil suction ball 315 has filtering net.In this embodiment, fuel tank uses enclosed fuel tank, and base chamber is connected with fuel tank with three-limb tube through malleation gas transmission check valve, and the malleation mixture gas of crankcase is full of fuel tank, makes fuel tank remain a constant malleation.Fuel tank oil outlet is in high position, but in fuel tank, oil suction adopts gravity oil suction ball 315, and gravity oil suction ball 315 is connected with fuel tank oil outlet with flexible pipe, and ensure that hull is jolting in volume situation, gravity oil suction ball 315, also at fuel tank bottommost, realizes reliable fuel feeding.

See accompanying drawing 24-26, for effectively ensure surfing process IFO intermediate fuel oil not leakage pollution water body and cause safety tried, in above-described embodiment, preferably: described fuel-feed system 3 is flexible oil tank fuel-feed system, comprise again fuel tank 301, the oil hose 302 of one end and fuel tank 301 inner space, other one end of this oil hose 302 is used for being communicated with the oil inlet of the carburettor 710 of two-stroke water cooled driving engine 7;

The enclosed flexible oil tank that described fuel tank 301 adopts oil resistant soft rubber material to make, the sidewall bottom of this enclosed flexible oil tank is provided with enclosed flexible oil tank oil outlet 316, and this enclosed flexible oil tank oil outlet 316 is connected with the oil inlet of oil hose 302; Be provided with the oil filling port 314 of band closed type oil case lid 317 at the top of enclosed flexible oil tank, be respectively arranged with enclosed flexible oil tank diapire connecting bore 318 and enclosed flexible oil tank sidewall connecting bore 319 at the diapire of enclosed flexible oil tank and sidewall;

The oil hose 302 of fuel tank 301 to two-stroke water cooled driving engine 7 is disposed with filter 303, hand fuel oil pump 304 and diaphragm fuel pump 305, described diaphragm fuel pump 305 have three interfaces, described three interfaces are power cavity interface I 306 respectively, oil-feed interface II 307 and oil out port III 308, oil-feed interface II 307 is connected with the exit end of hand fuel oil pump 304, oil out port III 308 is connected with carburettor 710 oil inlet on two-stroke water cooled driving engine 7, power cavity interface I 306 exports 717 by PU tracheae 309 and two-stroke engine crankcase and connects,

In the inner chamber of diaphragm fuel pump 305, be provided with diaphragm 310, in the endoporus of oil-feed interface II 307 and oil out port III 308, be respectively arranged with diaphragm fuel pump import check valve 311 and diaphragm fuel pump Outlet check valves 312.In this embodiment, driving engine before activation, malleation pressurization is carried out with manual compression pump 324 pairs of fuel tanks 301, the fuel oil inside fuel tank 301 is made to arrive the carburettor 710 on two-stroke water cooled driving engine through filter under stress, after engine starting running, malleation negative pressure alternating pressure in two-stroke engine crankcase is only got unidirectional positive pressure after malleation gas transmission check valve, through three-limb tube, be connected on fuel lid interface with pipeline, make the positive pressure mixture gas of crankcase be full of fuel tank, maintain the barotropic state of fuel tank.In this embodiment, the power of diaphragm fuel pump 305 is provided by the alternating pressure in two cycle engine 7 crankcase, reduces energy consumption, and hand fuel oil pump 304 is used as the initial fuel feeding of system and air-discharging.Enclosed flexible oil tank diapire connecting bore 318 and enclosed flexible oil tank sidewall connecting bore 319 is respectively arranged with at the diapire of enclosed flexible oil tank and sidewall, during use, enclosed flexible oil tank diapire connecting bore 318 is fixedly connected with machinery space inwall with enclosed flexible oil tank sidewall connecting bore 319, contact with driving engine after effectively preventing fuel tank 301 to be out of shape, damage fuel tank.Enclosed flexible oil tank 301 is without air bleeder, and No leakage, also can not produce vacuum in oil pump oil pumping process, avoids and leaks and reduce pollution.

See accompanying drawing 28-30 and 34, in above-described embodiment, preferably: described control system 12 is drag-line control system, buoyancy plate body 1, control handle 5, the controller 1203 being integrated with micro controller system, cable 1201, throttle cable 1202, stay cord 1212 and two-stroke water cooled driving engine 7 is comprised;

Wherein, described control handle 5 also comprises master cock 501 and throttle trigger 502; Described throttle trigger 502 is connected with the throttle arm of the carburettor 710 on two-stroke water cooled driving engine 7 by throttle cable 1202; Described stay cord 1212 one end is connected with the front end of surfboard buoyancy plate body 1, one end is connected with control handle 5, the described controller 1203 being integrated with micro controller system is electrically connected and conducting with the master cock 501 being positioned at control handle 5 top by cable 1201, and described master cock 501 is corresponding with throttle trigger 502 and be arranged at the both sides of control handle 5;

Described two-stroke water cooled driving engine 7 also comprises crank-position sensor, starter motor, light-up plug, and the crank-position sensor of described two-stroke water cooled driving engine 7, starter motor, light-up plug form cable set by the some cables with Waterproof connector of cable 1204 and be connected with the controller 1203 being integrated with micro controller system and conducting;

The controller 1203 of described integrated monolithic machine also comprises airtight controller housing 1207 and is positioned at the surface-mounted integrated circuit 1215 of this controller housing 1207, wherein said surface-mounted integrated circuit 1215 is integrated with micro controller system, engine starting and ignition control circuit, power battery pack, igniting high voltage package, battery set charge/discharge protective circuit and water pump control circuit; In described controller housing 1207, be also provided with airtight controller limit lid 1208, described controller limit lid 1208 is fixed by screws on controller housing 1207, and described controller limit lid 1208 is provided with the joint for sealing connecting 1209 passed for wire;

The sidewall covering 1208 adjacent controller housings 1207 with controller limit is provided with bowl-type gel silica membrane 1210, and described bowl-type gel silica membrane 1210 is fixed on the through hole on the sidewall of described controller housing 1207 by pressing plate 1211 and screw;

Described master cock 501 is electrically connected with between controller 1203, and the output signal of master cock 501 sends to controller 1203 as the incoming signal of controller 1203.Described in this embodiment, control system 12 cost is low, can realize drag-line and stand and saddle two kinds of power surf board using function.The advantage of this embodiment is as follows:

The controller 1, with micro controller system is made up of water proof case, internal circuit board, connecting cable group, Waterproof connector of cable group etc., and controller can realize the functions such as unlock password to driving engine, startup, digital igniting, flame-out, throttle size control, overboard safety shutdown under the cooperation of the starter motor, crank-position sensor, light-up plug etc. of control handle and driving engine; The wet environment of the internal circuit board of controller and machinery space is isolated by water proof case; internal circuit board comprises micro controller system, SCM Based unlock password, start unit, igniting and timing of ignition adjustment unit, battery pack fill anti-electric protection unit, Throttle Opening Control unit, starting relay, high voltage package, battery pack; controller and outside control handle, starter motor, light-up plug etc. couple together by connecting cable group, and Waterproof connector of cable can avoid controller output short-circuit and incoming signal mistake.

2, control handle comprises high-mobility, multipurpose, wheeled vehicle master cock, multi-functional control switch needs user of service to carry out break-make by password rule before control system normally works, send code signal to controller, controller is unlocked, prevents child and unwarranted use, improve safety; After controller unlocks, when people holds control handle, multi-purpose switch is connected naturally, and controller is energized to starter motor, engine starting, as long as hold control handle always, multi-functional control switch is connected always, controller exports ignition signal to engine spark plug always, and driving engine operates always; Operating personal release handle or overboard hand leave control handle, and multi-functional control switch immediately disconnects, and engine off, plays the function of safety shutdown; Throttle trigger drives throttle cable motion, and throttle cable drives engine and carburetor throttle arm to move again, controls engine throttle size.

3, due to said structure, the engine control element micro controller system in the past disperseed is carried out being integrated into surface-mounted integrated circuit, be installed in the controller housing of sealing, improve safety and the service life of electronic component, simultaneously due to the use of micro controller system, realize the functions such as the unlock password of Based Intelligent Control plate body, digital ignition, safety shutdown, make manufacturing cost reduce simultaneously; Hand leaves the just flame-out function of control handle, eliminates safety rope and is connected on health, improve comfort.

See accompanying drawing 28,29 and 31,34, in above-described embodiment, preferably: described control system 12 is automatically controlled control system, buoyancy plate body 1, control handle 5, the controller 1203 being integrated with micro controller system, cable 1201, stay cord 1212 and two-stroke water cooled driving engine 7 is comprised again;

Wherein, described control handle 5 comprises master cock 501, throttle trigger 502, throttle trigger position sensor 503; Described stay cord 1212 one end is connected with the front end of surfboard buoyancy plate body 1, one end is connected with control handle 5, the described controller 1203 being integrated with micro controller system is electrically connected and conducting with the master cock 501 being positioned at control handle 5 top by cable 1201, described master cock 501 is corresponding with throttle trigger 502 and be arranged at the both sides of control handle 5, described throttle trigger 502 place is also provided with throttle trigger position sensor 503 simultaneously, and described throttle trigger position sensor 503 and throttle trigger 502 are also conducted by cable 1201 and controller 1203;

When described power surf board is compound type power surf board, the surfing of described compound type power also comprises buoyancy plate body A108 and buoyancy plate body B109, described controller 1203 is also provided with the Waterproof connector of cable 1204 for connecting this two boards body cable in combination place of buoyancy plate body A108 and buoyancy plate body B109, described controller 1203 and two-stroke water cooled driving engine 7 are all arranged on buoyancy plate body A108, and described control handle 5 and stay cord 1212 are arranged on buoyancy plate body B109;

Described two-stroke water cooled driving engine 7 comprises crank-position sensor, starter motor, light-up plug and throttle actuating unit, and the crank-position sensor of described two-stroke water cooled driving engine 7, starter motor, light-up plug and throttle actuating unit form cable sets by the some cables with Waterproof connector of cable 1204 and to be connected with the controller 1203 being integrated with micro controller system also conducting;

The controller 1203 of described integrated monolithic machine comprises airtight controller housing 1207 and is positioned at the surface-mounted integrated circuit 1215 of this controller housing 1207, wherein said surface-mounted integrated circuit 1215 is integrated with micro controller system, engine starting and ignition control circuit, power battery pack, igniting high voltage package, throttle control circuit, battery set charge/discharge protective circuit, electronic control unit and water pump control circuit; In described controller housing 1207, be also provided with airtight controller limit lid 1208, described controller limit lid 1208 is fixed by screws on controller housing 1207, and described controller limit lid 1208 is provided with the joint for sealing connecting 1209 passed for wire;

Described master cock 501 is electrically connected with between controller 1203, and the output signal of master cock 501 sends to controller 1203 as the incoming signal of controller 1203; Described throttle trigger position sensor 503 is electrically connected with between controller 1203, and the output signal of throttle trigger position sensor 503 sends to controller 1203 as the incoming signal of controller 1203.Control system 12 relative inexpensiveness described in this embodiment, can realize drag-line and stand and saddle two kinds of power surf board using function, try out in compound type power surf board simultaneously.The advantage of this embodiment is as follows:

1, controller can realize the functions such as unlock password to driving engine, startup, digital igniting, flame-out, throttle size control, overboard safety shutdown under the cooperation of the starter motor, crank-position sensor, light-up plug, throttle actuating unit etc. of control handle and driving engine; The wet environment of the internal circuit board of controller and machinery space is isolated by water proof case; internal circuit board comprises micro controller system, SCM Based unlock password, start unit, igniting and timing of ignition adjustment unit, battery pack fill anti-electric protection unit, Throttle Opening Control unit, starting relay, high voltage package, battery pack; controller and outside control handle, starter motor, light-up plug, crank-position sensor, throttle actuating unit etc. couple together by connecting cable group, and Waterproof connector of cable can avoid controller output short-circuit and incoming signal mistake.

2, control handle comprises high-mobility, multipurpose, wheeled vehicle master cock, throttle trigger position sensor, multi-functional control switch needs user of service to carry out break-make by password rule before control system normally works, send code signal to controller, controller is unlocked, prevent child and unwarranted use, improve safety; After controller unlocks, when people holds control handle, multi-purpose switch is connected naturally, and controller is energized to starter motor, engine starting, as long as hold control handle always, multi-functional control switch is connected always, controller exports ignition signal to engine spark plug always, and driving engine operates always; Operating personal release handle or overboard hand leave control handle, and multi-functional control switch immediately disconnects, and engine off, plays the function of safety shutdown; Throttle trigger position sensor sends throttle position signal to the controller of band micro controller system, and control signal is sent to throttle actuating unit by controller again, controls engine throttle size.

3, due to said structure, the engine control element micro controller system in the past disperseed is carried out being integrated into surface-mounted integrated circuit, be installed in the controller housing of sealing, improve safety and the service life of electronic component, simultaneously due to the use of micro controller system, realize the functions such as the unlock password of Based Intelligent Control plate body, digital ignition, safety shutdown, make manufacturing cost reduce simultaneously; Hand leaves the just flame-out function of control handle, eliminates safety rope and is connected on health, improve comfort.Simultaneously due to said structure, connection between control handle and controller adopts cable to connect, transmission be electric signal, in the middle of connecting cable, add waterproof connector, easily cable can be divided into two sections when not using, be applicable to compound type power surf board.

See accompanying drawing 32-34, in above-described embodiment, preferably: described control system 12 is wireless remote control control system, buoyancy plate body 1, control handle 5, the controller 1203 being integrated with micro controller system, receiving element demoder 1205, receiving wire 1206 and two-stroke water cooled driving engine 7 is comprised;

Wherein, described control handle 5 comprises master cock 501, throttle trigger 502, throttle trigger position sensor 503, carrier transmit circuit and emitting antenna 504, has the coder 505 of micro controller system; Described two-stroke water cooled driving engine 7 comprises crank-position sensor, carburettor 710, starter motor, light-up plug and throttle actuator 1204; The described controller 1203 being integrated with micro controller system is connected and conducting with the throttle actuator 1204 of carburettor 710 on two-stroke water cooled driving engine 7 by water proof wire, the described controller 1203 being integrated with micro controller system is connected with receiving element demoder 1205 by water proof wire, and described receiving element demoder 1205 is connected with receiving wire 1206;

Described master cock 501 is arranged at the tip position of control handle 5, the relative side of master cock 501 is provided with throttle trigger 502, throttle trigger position sensor 503 and carrier transmit circuit and emitting antenna 504 is provided with around described throttle trigger 502, the coder 505 of micro controller system is installed in the internal cavities of described control handle 5, when master cock 501 and throttle trigger 502 work, the position signal that throttle trigger position sensor 503 detects is carried out coding and forms code signal and sent to the receiving wire 1206 being positioned at surfboard buoyancy plate body 1 by carrier transmit circuit and emitting antenna 504 by the coder 505 with micro controller system, code signal is transferred to receiving element demoder 1205 by described receiving wire 1206, described receiving element demoder 1205 sends to the controller 1203 being integrated with micro controller system after decoding, the throttle actuator 1204 that described controller 1203 controls the carburettor 710 of two-stroke water cooled driving engine 7 carries out work,

The controller 1203 of described integrated monolithic machine comprises airtight controller housing 1207 and is positioned at the surface-mounted integrated circuit 1215 of this controller housing 1207, wherein said surface-mounted integrated circuit 1215 is integrated with micro controller system, engine starting and ignition control circuit, power battery pack, igniting high voltage package, throttle control circuit, remote-control receiving circuit, battery set charge/discharge protective circuit, electronic control unit and water pump control circuit; In described controller housing 1207, be also provided with airtight controller limit lid 1208, described controller limit lid 1208 is fixed by screws on controller housing 1207, and described controller limit lid 1208 is provided with the joint for sealing connecting 1209 passed for wire;

The bottom of described control handle 5 is provided with fixing inserting column, is also provided with handrail 6 being positioned on surfboard buoyancy plate body 1, described handrail 6 has fixed jack;

The bottom front of described control handle 5 has can the hole of stationary rope, and be connected with the hole 103 on surfboard buoyancy plate body 1 in hole by rope 1212, the tail end of described control handle 5 is also provided with the wrist strap 507 that can be fixed in wrist.The advantage of this embodiment is as follows:

1, controller can realize the functions such as unlock password to driving engine, startup, digital igniting, flame-out, throttle size control, overboard safety shutdown under the cooperation of the starter motor, crank-position sensor, light-up plug, throttle actuating unit etc. of control handle and driving engine; The wet environment of the internal circuit board of controller and machinery space is isolated by water proof case; internal circuit board comprises micro controller system, SCM Based unlock password, start unit, igniting and timing of ignition adjustment unit, battery pack fill anti-electric protection unit, Throttle Opening Control unit, starting relay, high voltage package, battery pack, and controller and outside control handle, starter motor, light-up plug, crank-position sensor, throttle actuating unit etc. couple together by connecting cable group.

2, control handle comprises high-mobility, multipurpose, wheeled vehicle master cock, multi-functional control switch needs user of service to carry out break-make by password rule before control system normally works, send code signal to controller, controller is unlocked, prevents child and unwarranted use, improve safety; After controller unlocks, when people holds control handle, multi-purpose switch is connected naturally, and controller is energized to starter motor, engine starting, as long as hold control handle always, multi-functional control switch is connected always, controller exports ignition signal to engine spark plug always, and driving engine operates always; Operating personal release handle or overboard hand leave control handle, and multi-functional control switch immediately disconnects, and engine off, plays the function of safety shutdown; Throttle trigger position sensor sends throttle position signal to the controller of band micro controller system, and control signal is sent to throttle actuating unit by controller again, controls engine throttle size.

3, due to said structure, the engine control element micro controller system in the past disperseed is carried out being integrated into surface-mounted integrated circuit, be installed in the controller housing of sealing, improve safety and the service life of electronic component, simultaneously due to the use of micro controller system, realize the functions such as the unlock password of Based Intelligent Control plate body, digital ignition, safety shutdown, make manufacturing cost reduce simultaneously; Hand leaves the just flame-out function of control handle, eliminates safety rope and is connected on health, improve comfort.Due to said structure can realize power surf board saddle in use, plate stood by stay cord, Free Station riser three kinds of operating mode, meet the operating needs of user of service's different phase, high-end athletic both hands and both arms have been liberated simultaneously, can free motion, participate in balance, make the operator of power surf board can experience sports fun on all four with unpowered surfboard any time, improve the mobility of power surf board.

See accompanying drawing 35, for discharging the ponding in machinery space 2 in time, in above-described embodiment, preferably: described machinery space drainage system is unidirectional drainage by suction system, comprise the machinery space drain hose 902 be communicated with the spray chamber of water jet propulsion pump 4 by machinery space 2, the water inlet of this machinery space drain hose 902 is positioned on the base plate of machinery space 2 afterbody, and the water outlet of machinery space drain hose 902 is arranged in the water chamber of water jet propulsion pump 4 and consistent with the water spraying direction of water jet propulsion pump 4;

The machinery space drain hose 902 of machinery space 2 to water jet propulsion pump 4 is provided with machinery space drain filter 903 and machinery space check valve of water drainage 904.

In above-described embodiment, preferably: described machinery space drain hose 902 is flexible pipe, the water outlet of this machinery space drain hose 902 is connected with connection hard tube 911 water inlet be fixed on water jet propulsion pump 4 housing, the water inlet of this connection hard tube 911 is positioned at outside the housing of water jet propulsion pump 4, and the water outlet of connection hard tube 911 is arranged in the water chamber of water jet propulsion pump 4 and installation direction is consistent with the water spraying direction of water jet propulsion pump 4; Described connection hard tube 911 is naval's copper pipe, stainless steel tube or titanium alloy tube; Resin bonding is adopted between described connection hard tube 911 and the housing of water jet propulsion pump 4; Described connection hard tube 911 adopts band to be fixed as one with machinery space drain hose 902.

In above-described embodiment, preferably: the water inlet of described machinery space drain hose 902 is provided with machinery space drain hose fixed support 905, this machinery space drain hose fixed support 905 is fixed on the base plate of afterbody in machinery space 2, and machinery space drain hose 902 is fixed on machinery space drain hose fixed support 905 by band.

See accompanying drawing 36, for discharging the ponding in machinery space 2 in time, in above-described embodiment, preferably: described machinery space drainage system 9 is diaphragm pump drainage system, comprise drain hose II 901, the water inlet of this drain hose II 901 is positioned on the base plate of machinery space 2 afterbody, and the water outlet of drain hose II 901 passes the machinery space discharge port 103 be positioned on buoyancy plate body 1 top panel; Drain hose II 901 is disposed with machinery space drain filter 903 and machinery space draining diaphragm pump 906, this machinery space draining diaphragm pump 906 has three interfaces, wherein two Inlet and outlet water interfaces are communicated with drain hose II 901, and another one propulsion source interface exports 717 by connection tracheae 907 with two-stroke engine crankcase and connects.

For ease of fixed installation machinery space drainage system 9, in above-described embodiment, preferably: the water inlet of described drain hose II 901 is provided with machinery space drain hose fixed support 905, this machinery space drain hose fixed support 905 is fixed on the base plate of afterbody in machinery space 2, and drain hose II 901 is fixed on machinery space drain hose fixed support 905 by band; The water outlet of described drain hose II 901 is fixed in the plate body machinery space discharge port 103 on power surf board plate body.

See accompanying drawing 36, for discharging the ponding in machinery space 2 in time, in above-described embodiment, preferably: described machinery space drainage system 9 is direct current drive water pump interval drainage system, comprise drain hose II 901, the water inlet of this drain hose II 901 is positioned on the base plate of machinery space 2 afterbody, and the water outlet of drain hose II 901 passes the machinery space discharge port 103 be positioned on buoyancy plate body 1 top panel; Drain hose II 901 is provided with machinery space drain filter 903 and direct current drive dewatering pump 908, this direct current drive dewatering pump 908 is by controller 1203 conducting with micro controller system of wire and control system 12, and the controller 1203 with micro controller system controls direct current drive dewatering pump 908 periodic running.

See accompanying drawing 37, for discharging the ponding in machinery space 2 in time, in above-described embodiment, preferably: water level detecting direct current drive water pump automatic drain system is with by described machinery space drainage system 9, comprise drain hose II 901, the water inlet of this drain hose II 901 is positioned on the base plate of machinery space 2 afterbody, and the water outlet of drain hose II 901 passes the machinery space discharge port 103 be positioned on buoyancy plate body 1 top panel; Drain hose II 901 is provided with machinery space drain filter 903 and direct current drive dewatering pump 908, in machinery space 2 afterbody base plate on be provided with level switch 910, described direct current drive dewatering pump 908 and level switch 910 are all by controller 1203 conducting with micro controller system of wire and control system 12, detection signal is fed back to the controller 1203 with micro controller system by level switch 910, and the controller 1203 with micro controller system controls direct current drive dewatering pump 908 and automatically runs.

See accompanying drawing 37, for discharging the ponding in machinery space 2 in time, in above-described embodiment, preferably: the water inlet of described drain hose II 901 is provided with machinery space drain hose fixed support 905, this machinery space drain hose fixed support 905 is fixed on the base plate of afterbody in machinery space 2, and drain hose II 901 is fixed on machinery space drain hose fixed support 905 by band; The joint of wire is provided with Waterproof cable joint I 1214.

See accompanying drawing 38-39, in above-described embodiment, preferably: the impeller shaft 402 that described water jet propulsion pump 4 comprises again, one end of this impeller shaft 402 is stretched in waterjet propulsion pump case 401 inner chamber, and is arranged on the impeller 403 on impeller shaft 402; It is characterized in that: described waterjet propulsion pump case 401 and impeller 403 all adopt carbon fiber to make;

The mouth of described impeller shaft 402 is through in the thrust baring 405 be fixed in bearing seat 404 and deep groove ball bearing 406, the impeller shaft 402 of the water inlet of waterjet propulsion pump case 401 is fixed with impeller 403, in waterjet propulsion pump case 401 inner chamber of this impeller 403 between thrust baring 405 and the water inlet of waterjet propulsion pump case 401;

High-speed spray runner is formed between described bearing seat 404 outer wall and waterjet propulsion pump case 401 inwall.

In above-described embodiment, preferably: the afterbody of described bearing seat 404 is fixed with the conical flow guiding cover 407 with bearing seat 404 one, and this conical flow guiding cover 407 is made up of carbon fiber; Be provided with reinforced seal I 410 between described thrust baring 405 and impeller 403, described reinforced seal I 410 is positioned at bearing seat 404 inner chamber front end; Described thrust baring 405 is positioned at deep groove ball bearing 406 front; Described waterjet propulsion pump case 401 shell is fixed with water jet propulsion pump fixed mount 409; The other end of described impeller shaft 402 is fixed with coupler 705; The middle part shaft part of described impeller shaft 402 is set with at least a set of backup bearing 408; Described backup bearing 408 sidewall sheath is equipped with outside framework oil seal II 412, and outside framework oil seal of telling is positioned at plate body by water side; The arc-like sheet 413 that described bearing seat 404 outer wall and waterjet propulsion pump case 401 are made up of 6 carbon fibers connects as one, and forms pilot flow between arc-like sheet 413.

See accompanying drawing 40 to 42, for adapting to single cylinder engine, in above-described embodiment, preferably: described engine compartment cover 10 comprises again the lid 10a mated with machinery space 2, be arranged on the engine compartment cover mounting hole 10b on lid 10a, the touch panel of lid 10a and machinery space 2 is bonded with and the rubber seal 10c of lid 10a one, described lid 10a by through engine compartment cover mounting hole 10b screw fastening at machinery space 2 top.

For adapting to double-cylinder engine, in above-described embodiment, preferably: described engine compartment cover 10 comprises again the lid 10a mated with machinery space 2, be arranged on the engine compartment cover mounting hole 10b on lid 10a, the touch panel of lid 10a and machinery space 2 is bonded with and the rubber seal 10c of lid 10a one, described lid 10a by through engine compartment cover mounting hole 10b screw fastening at machinery space 2 top; The middle part of described lid 10a has outside lug boss 10d.

See accompanying drawing 43 to 47, for ease of carrying, in above-described embodiment, preferably: described buoyancy plate body 1 is sleeved in the knapsack 1401 mated with it, this knapsack 1401 comprises again the knapsack slide fastener 1404 being sewn to knapsack 1401 side, and the length of this knapsack slide fastener 1404 is longer than the length of microlight-type power surf board plate body 1; Be positioned at two backpack strips 1403 on the back of knapsack 1401, one end of this backpack strip 1403 is fixed on the middle and upper part, back of knapsack 1401, the other end of backpack strip 1403 is fixed with connection-peg, this connection-peg inserts in the backpack strip Rapid fastener 1402 mated with it and is fixed as one with described backpack strip Rapid fastener 1402, and this backpack strip Rapid fastener 1402 is fixed on the back bottom of knapsack 1401;

Described knapsack 1401 is fixed on knapsack roof fixed mount, this knapsack roof fixed mount also comprises two fixed links 1407, the end of this fixed link 1407 is provided with for the drag hook 1406 fixing with door frame top, the bar section of fixed link 1407 is provided with backpack strip and fixes card 1409, a backpack strip 1403 in two backpack strips 1403 of knapsack 1401 inserts in backpack strip Rapid fastener 1402 after fixing card 1409 through the backpack strip backpack strip fixed below card 1409 and an other fixed link 1407 above a fixed link 1407 successively and is fixed as one with described backpack strip Rapid fastener 1402, an other backpack strip 1403 inserts in backpack strip Rapid fastener 1402 after fixing card 1409 through the backpack strip backpack strip fixed above card 1409 and an other fixed link 1407 below a fixed link 1407 successively and is fixed as one with described backpack strip Rapid fastener 1402, two backpack strips 1403 intersect mutually at the back of knapsack 1401 and face, the side of described knapsack 1401 has fixed link collecting bag 1405, the body of rod of the fixed link 1407 near drag hook 1406 is provided with rubber pad 1408.In this embodiment, described knapsack roof fixed mount is the same with the mounting means that the connection of car roof is arranged on roof with goods rack on top.The connection of goods rack on top and car roof is the mature technology on existing market.During use, drag hook 1406 and the door frame top of fixed link 1407 end of knapsack roof fixed mount are fixed, and realize the connection of knapsack roof fixed mount and car roof.

Obviously, all embodiments of foregoing description are a part of embodiments of the present utility model, instead of whole embodiments.Based on embodiment of the present utility model, 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 utility model protection.

In sum, the utility model reduces plate body and machinery space size, reduces total quality, is easy to carry, reduces energy consumption, reduces productive costs and use cost.

Claims

1. a microlight-type multifunction dynamic surfboard, comprise buoyancy plate body (1), be positioned at the machinery space (2) of this buoyancy plate body (1), be positioned at the hatch place of machinery space (2) and the engine compartment cover (10) sealed by machinery space (2), be arranged on the driving engine in machinery space (2) and fuel-feed system (3), by engine drive and water injector is positioned at the water jet propulsion pump (4) at buoyancy plate body (1) bottom panel rear portion, and be positioned at control handle (5) and the handrail (6) of buoyancy plate body (1) top panel front portion, the air extractor vent (11) being positioned at buoyancy plate body (1) top panel front portion is communicated with the closed channel formed with machinery space (2) be free air diffuser (107), it is characterized in that:

Described driving engine is two-stroke water cooled driving engine (7), and this two-stroke water cooled driving engine (7) is connected with the impeller shaft (402) of water jet propulsion pump (4) by coupler (705), this impeller shaft (402) is fixed with impeller (403); The freeing pipe (702) of described two-stroke water cooled driving engine (7) stretches out buoyancy plate body (1) bottom panel afterbody;

Also be provided with engine-cooling system (8), machinery space drainage system (9) and control system (12) in described machinery space (2), this control system (12) is connected with control handle (5) with stay cord (1202) by cable (1201); Described control system (12) controls the keying of two-stroke water cooled driving engine (7) and machinery space drainage system (9); The malleation chamber of the malleation chamber of two-stroke water cooled driving engine (7) with water jet propulsion pump (4) is communicated with by the cooling water pipe (801) of described engine-cooling system (8).

2. microlight-type multifunction dynamic surfboard according to claim 1, it is characterized in that: the bottom panel two sides of tail of described buoyancy plate body (1) is provided with balance fin (1041), the bottom panel of the buoyancy plate body (1) between two balances fin (1041) is provided with the unrestrained bar of pressure (1051), and this pressure wave bar (1051) extends to the bottom panel head of buoyancy plate body (1) from the bottom panel afterbody of buoyancy plate body (1).

3. microlight-type multifunction dynamic surfboard according to claim 1, is characterized in that: the top panel of described buoyancy plate body (1) is provided with drag-line hole (101) that machinery space (2) is communicated with, engine cooling water out (102) and machinery space discharge port (103); Described drag-line hole (101) current supply cable (1201) and stay cord (1202) extend there through, described engine cooling water out (102) extends there through for the drain hose I (802) of engine-cooling system (8), and described machinery space discharge port (103) extends there through for the drain hose II (901) of machinery space drainage system (9).

4. microlight-type multifunction dynamic surfboard according to claim 1, is characterized in that: this inner chamber is divided into separate filling chamber (105) and machinery space (2) by dividing plate (104) by the inner chamber of described buoyancy plate body (1); The polyurethane foam obturator (106) mated with it is filled with in filling chamber (105).

5. according to the microlight-type multifunction dynamic surfboard one of Claims 1-4 Suo Shu, it is characterized in that: described buoyancy plate body (1) is by separate buoyancy plate body A(108) and buoyancy plate body B(109) two parts docking combine, machinery space (2) is positioned at buoyancy plate body A(108), air extractor vent (11) is positioned at buoyancy plate body B(109) top panel on.

6. docking compound type power surf board according to claim 5, it is characterized in that: described buoyancy plate body A(108) with buoyancy plate body B(109) butt joint edge bottom by hinge (1019) by buoyancy plate body A(108) with buoyancy plate body B(109) connect as one, buoyancy plate body A(108) and with buoyancy plate body B(109) butt joint edge top by adjustable zip (1020) by buoyancy plate body A(108) with buoyancy plate body B(109) be fixed as one; Be positioned at buoyancy plate body A(108) and buoyancy plate body B(109) on free air diffuser (107) by bellows or hollow rubber soft pipe connection.

7. docking compound type power surf board according to claim 5, it is characterized in that: described buoyancy plate body A(108) with buoyancy plate body B(109) dock in edge I (1010) and be provided with inserting groove (1011), buoyancy plate body B(109) with buoyancy plate body A(108) dock the connection-peg (1013) edge II (1012) being provided with and mating with inserting groove (1011), this connection-peg (1013) inserts buoyancy plate body A(108 in inserting groove (1011)) and buoyancy plate body B(109) connect as one; At machinery space (2) and buoyancy plate body A(108) on the plate body wall docking between edge I (1010) on be provided with fixed orifice I (1014), at buoyancy plate body B(109) on docking edge II (1012) sidewall on be provided with the fixed orifice II (1015) mated with fixed orifice I (1014), successively through the screw (1016) of fixed orifice I (1014) and fixed orifice II (1015) by buoyancy plate body A(108) and buoyancy plate body B(109) be fixed as one;

Be positioned at buoyancy plate body A(108) with buoyancy plate body B(109) on free air diffuser (107) be communicated with by bellows, or be positioned at buoyancy plate body A(108) on free air diffuser (107) place at docking edge I (1010) place there is annular inserting groove (1017), be positioned at buoyancy plate body B(109) on free air diffuser (107) place at docking edge II (1012) place there is the annular grafting boss (1018) of mating with annular inserting groove (1017), this annular grafting boss (1018) is set with seal ring (1019) outward and inserts in annular inserting groove (1017) afterwards, to buoyancy plate body A(108 be positioned at) with buoyancy plate body B(109) on free air diffuser (107) be communicated with.

8. microlight-type multifunction dynamic surfboard according to claim 1, it is characterized in that: described two-stroke water cooled driving engine (7) has exhaust guide (701), the outlet side of these exhaust guide (701) is fixed with water-cooled jacketed muffle device (13), and this water-cooled jacketed muffle device (13) comprises again

Housing (1301), is positioned at inlet end (1302) and outlet side (1303) at housing (1301) two ends, and is arranged in the silencer champer of housing (1301) inner chamber; Described outlet side (1303) is inserted in freeing pipe (702), O RunddichtringO (1304) is provided with between the outer wall of this outlet side (1303) and the inwall of freeing pipe (702), on the outer wall of outlet side (1303), cover has Compress Spring (1305), and the two ends of this Compress Spring (1305) are tight against the one end in freeing pipe (702) end and housing (1301) respectively;

The port of described inlet end (1302) has the interface mated with the exhaust guide of driving engine (701);

Described housing (1301) is provided with the cold water inlet (1306) be communicated with silencer champer; Check valve I (1308) is provided with in the endoporus (1307) of described outlet side (1303); Described freeing pipe (702) end has the conical suface (1309) being convenient to be connected with outlet side (1303).

9. microlight-type multifunction dynamic surfboard according to claim 8, it is characterized in that: the port of described inlet end (1302), built with high temperature resistant gum cover (1311), has the interface mated with the exhaust guide of driving engine (701) in this is high temperature resistant gum cover (1311).

10. microlight-type multifunction dynamic surfboard according to claim 1, is characterized in that: described engine-cooling system (8) comprises again

The malleation cooling water inlet pipe (404) be communicated with the malleation chamber of water jet propulsion pump (4), this malleation cooling water inlet pipe (404) through the shell of water jet propulsion pump (4) and the water inlet of malleation cooling water inlet pipe (404) and water jet propulsion pump (4) water (flow) direction be oppositely arranged, the water outlet of malleation cooling water inlet pipe (404) is communicated with the cooling water inlet (703) be positioned on two-stroke water cooled driving engine (7), described cooling water inlet (703) is communicated with the malleation chamber of two-stroke water cooled driving engine (7), the malleation chamber of this two-stroke water cooled driving engine (7) is communicated with the cooling water outlet (714) be positioned on two-stroke water cooled driving engine (7), described cooling water outlet (714) is communicated with drain hose I (802), this drain hose I (802) passes engine cooling water out (102).

11., according to the microlight-type multifunction dynamic surfboard one of claim 1,8 or 10 Suo Shu, is characterized in that: described two-stroke water cooled driving engine (7) comprises again crankcase (704), starter motor (708), carburettor (710) and engine cylinder (709); Unilateral bearing (706) is fixed with at the other end of the crankshaft output end of crankcase (704), unilateral bearing (706) is provided with planetary reduction gear (707), and this planetary reduction gear (707) engages with the driven wheel on the output shaft of starter motor (708);

Described carburettor (710) is communicated with by the admission port of induction tract (711) with crankcase (704), is provided with air inlet leaf valve (712) between induction tract (711) and the admission port of crankcase (704);

Described crankcase (704) and the rack mounting apertures (713) engine cylinder (709) shell is provided with for being connected with the fixed mount be fixed in machinery space, described engine cylinder (709) shell is provided with and the cooling water outlet (714) of the inner space of engine cylinder (709), cooling water inlet (703) and exhaust guide (701); The crankshaft output end of described crankcase (704) is provided with coupler (705); The cylindrical of described coupler (705) is provided with single projective table type crank-position sensor, it is little that this single projective table type crank-position sensor makes detection signal account for circumferential angle, accuracy of detection is higher, for ignition controller provides crankshaft-position signal and tach signal accurately; (709) are provided with firing unit to described engine cylinder, and this firing unit is the inductance type ignitor of speed limit 20000r/min; 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; Described exhaust guide (701) are positioned at the same side of crankcase (704) with the crankshaft output end of crankcase (704).

12. according to the microlight-type multifunction dynamic surfboard one of claim 1,8 or 10 Suo Shu, it is characterized in that: described two-stroke water cooled driving engine (7) is improved type two-stroke water cooled driving engine, comprise crankcase (704), the starter motor (708) of actuating mechanism, carburettor (710) and engine cylinder (709); Unilateral bearing (706) is fixed with at the other end of the crankshaft output end of crankcase (704), the unilateral bearing installation sleeve (715) of this unilateral bearing (706) is connected with the output shaft (721) of epicyclic reduction gear (707), and the input shaft of this epicyclic reduction gear (707) is the output shaft of starter motor (708);

The crankcase (704) of bent axle both sides is provided with engine cylinder (709) and carburettor (710), the line of centers of this engine cylinder (709) overlaps with the line of centers of crankcase (704), and the line of centers of carburettor (710) is with the centerline parallel of crankcase (704) or overlap;

Described crankcase (704) and the rack mounting apertures (713) engine cylinder (709) shell is provided with for being connected with the fixed mount be fixed in machinery space (2), described engine cylinder (709) shell is provided with and the cooling water outlet (714) of the inner space of engine cylinder (709), cooling water inlet (703) and exhaust guide (701); The crankshaft output end of described crankcase (704) is provided with coupler (705); The cylindrical of described coupler (705) is provided with single projective table type crank-position sensor, it is little that this single projective table type crank-position sensor makes detection signal account for circumferential angle, accuracy of detection is higher, for ignition controller provides crankshaft-position signal and tach signal accurately; (709) are provided with firing unit to described engine cylinder, and this firing unit is the inductance type ignitor of speed limit 20000r/min; 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.

13. improved type single-cylinder double stroke liquid-cooled engines according to claim 12, it is characterized in that: described actuating mechanism also comprises actuating mechanism housing (716), be arranged in starter motor (708) and the epicyclic reduction gear (707) of actuating mechanism housing (716) inner chamber;

Described epicyclic reduction gear (707) is arranged on the starter motor output shaft (720) of starter motor (708), the output shaft (721) of this epicyclic reduction gear (707) is connected with unilateral bearing installation sleeve (715), the inner ring of this unilateral bearing installation sleeve (715) and the outer ring of unilateral bearing (706) are fixed, and the inner ring of unilateral bearing (706) is connected with the bent axle of two-stroke water cooled driving engine; Outside framework oil seal (718) is provided with between the inwall of described actuating mechanism housing (716) and the outer wall of unilateral bearing installation sleeve (715); Described actuating mechanism shell (716) arranges fixed bolt hole (722), during use, through fixed bolt hole (722), whole actuating mechanism is fixed on the crankcase of two-stroke water cooled driving engine by bolt; Actuating mechanism shell (716) is provided with the O RunddichtringO (7171) for the crankcase seals with two-stroke water cooled driving engine; The output shaft (721) of described epicyclic reduction gear (707) is provided with two-stage planetary reduction gear (719); Described exhaust guide (701) are positioned at the same side of crankcase (704) with the crankshaft output end of crankcase (704).

14. according to the microlight-type multifunction dynamic surfboard one of claim 1,8 or 10 Suo Shu, it is characterized in that: described two-stroke water cooled driving engine (7) is twin-tub two-stroke water cooled driving engine, comprise crankcase (704), the starter motor (708) of actuating mechanism, carburettor (710) and engine cylinder (709); Unilateral bearing (706) is fixed with at the other end of the crankshaft output end of crankcase (704), the unilateral bearing installation sleeve (715) of this unilateral bearing (706) is connected with the output shaft (721) of epicyclic reduction gear (707), and the input shaft of this epicyclic reduction gear (707) is the output shaft of starter motor (708);

On the both sides of crankcase (704), dislocation is symmetrically arranged with two engine cylinders (709), and the line of centers of engine cylinder (709) overlaps with the line of centers of crankcase (704); Carburettor (710) is positioned at the top of crankcase (704), described carburettor (710) is communicated with by the admission port of induction tract (711) with crankcase (704), is provided with air inlet leaf valve (712) between induction tract (711) and the admission port of crankcase (704);

Described crankcase (704) and the rack mounting apertures (713) engine cylinder (709) shell is provided with for being connected with the fixed mount be fixed in machinery space (2), described engine cylinder (709) shell is provided with and the cooling water outlet (714) of the inner space of engine cylinder (709), cooling water inlet (703) and exhaust guide (701); The crankshaft output end of described crankcase (704) is provided with coupler (705); The cylindrical of described coupler (705) is provided with single projective table type crank-position sensor; It is little that this single projective table type crank-position sensor makes detection signal account for circumferential angle, and accuracy of detection is higher, for ignition controller provides crankshaft-position signal accurately; (709) are provided with firing unit to described engine cylinder, and this firing unit is the inductance type ignitor of speed limit 20000r/min; The V-shaped valve that the large cross section of fluid channel that described air inlet leaf valve (712) is made for carbon fiber board amasss; Described engine cylinder (709) line of centers overlap with the line of centers of crankcase (704); Described exhaust guide (701) are positioned at the same side of crankcase (704) with the crankshaft output end of crankcase (704).

15. microlight-type multifunction dynamic surfboards according to claim 14, it is characterized in that: described actuating mechanism also comprises actuating mechanism housing (716), be arranged in starter motor (708) and the epicyclic reduction gear (707) of actuating mechanism housing (716) inner chamber;

Described epicyclic reduction gear (707) is arranged on the starter motor output shaft (720) of starter motor (708), the output shaft (721) of this epicyclic reduction gear (707) is connected with unilateral bearing installation sleeve (715), the inner ring of this unilateral bearing installation sleeve (715) and the outer ring of unilateral bearing (706) are fixed, and the inner ring of unilateral bearing (706) is connected with the bent axle of two-stroke water cooled driving engine; Outside framework oil seal (718) is provided with between the inwall of described actuating mechanism housing (716) and the outer wall of unilateral bearing installation sleeve (715); Described actuating mechanism shell (716) arranges fixed bolt hole (722), during use, through fixed bolt hole (722), whole actuating mechanism is fixed on the crankcase of two-stroke water cooled driving engine by bolt; Actuating mechanism shell (716) is provided with the O RunddichtringO (7171) for the crankcase seals with two-stroke water cooled driving engine; The output shaft (721) of described epicyclic reduction gear (707) is provided with two-stage planetary reduction gear (719).

16. microlight-type multifunction dynamic surfboards according to claim 1, it is characterized in that: described fuel-feed system (3) is diaphragm pump fuel-feed system, comprise fuel tank (301), the oil hose group (302) of one end and fuel tank (301) inner space, other one end of this oil hose group (302) is used for being communicated with the oil inlet of the carburettor (710) of two-stroke water cooled driving engine (7);

The oil hose group (302) of fuel tank (301) to two-stroke water cooled driving engine (7) is disposed with filter (303), hand fuel oil pump (304) and diaphragm fuel pump (305), described diaphragm fuel pump (305) have three interfaces, described three interfaces are power cavity interface I (306) respectively, oil-feed interface II (307) and oil out port III (308), oil-feed interface II (307) is connected with the outlet of hand fuel oil pump (304), oil out port III (308) is connected with the oil inlet of carburettor (710), power cavity interface I (306) exports (717) by PU tracheae (309) and two-stroke engine crankcase and connects, the power of diaphragm pump is provided by the alternating pressure in two-stroke engine crankcase,

In the inner chamber of diaphragm fuel pump (305), be provided with diaphragm (310), in the endoporus of oil-feed interface II (307) and oil out port III (308), be respectively arranged with diaphragm fuel pump in line check valve (311) and diaphragm fuel pump oil outlet one-way valve (312); Described fuel tank (301) is provided with the oil filling port (314) of band open type oil tank lid (313), open type oil tank lid (313) is provided with the air extractor vent with air conducting, ensure that tank pressure equals bar pressure all the time; The oil inlet of described oil hose (302) stretches into fuel tank (301) intracavity bottom, fixes gravity oil suction ball (315) at the oil inlet place of this oil hose (302), and the oil suction place of this gravity oil suction ball (315) has filtering net.

17. microlight-type multifunction dynamic surfboards according to claim 1, it is characterized in that: described fuel-feed system (3) is malleation fuel-feed system, comprise fuel tank (301), the oil hose (302) of one end and fuel tank (301) inner space, carburettor (710) on other one end of this oil hose (302) and two-stroke water cooled driving engine (7) is connected, and oil hose (302) is provided with filter (303);

The top of described fuel tank (301) is provided with the malleation gas transmission interface (320) with fuel tank (301) inner space, this malleation gas transmission interface (320) is connected with one end of malleation air hose (321), the other end of this malleation air hose (321) exports (717) with the two-stroke engine crankcase of two-stroke water cooled driving engine (7) and is communicated with, and this two-stroke engine crankcase outlet (717) is communicated with the crankcase intracavity of two-stroke water cooled driving engine (7);

The malleation air hose (321) of fuel tank (301) to two-stroke water cooled driving engine (7) is disposed with three-limb tube joint (322) and malleation gas transmission check valve (323), the another one interface of described three-limb tube joint (322) and the outlet of manual compression pump (324) are connected, and this manual compression pump (324) is provided with air admission port (325);

Described fuel tank (301) is provided with the oil filling port (314) of band closed type oil case lid (317); The oil inlet of described oil hose (302) stretches into fuel tank (301) intracavity bottom, fixes gravity oil suction ball (315) at the oil inlet place of this oil hose (302), and the oil suction place of this gravity oil suction ball (315) has filtering net.

18. microlight-type multifunction dynamic surfboards according to claim 1, it is characterized in that: described fuel-feed system (3) is flexible oil tank fuel-feed system, comprise fuel tank (301), the oil hose (302) of one end and fuel tank (301) inner space, other one end of this oil hose (302) is used for being communicated with the oil inlet of the carburettor (710) of two-stroke water cooled driving engine (7);

The enclosed flexible oil tank that described fuel tank (301) adopts oil resistant soft rubber material to make, the sidewall bottom of this enclosed flexible oil tank is provided with enclosed flexible oil tank oil outlet (316), and this enclosed flexible oil tank oil outlet (316) is connected with the oil inlet of oil hose (302); Be provided with the oil filling port (314) of band closed type oil case lid (317) at the top of enclosed flexible oil tank, be respectively arranged with enclosed flexible oil tank diapire connecting bore (318) and enclosed flexible oil tank sidewall connecting bore (319) at the diapire of enclosed flexible oil tank and sidewall;

The oil hose (302) of fuel tank (301) to two-stroke water cooled driving engine (7) is disposed with filter (303), hand fuel oil pump (304) and diaphragm fuel pump (305), described diaphragm fuel pump (305) have three interfaces, described three interfaces are power cavity interface I (306) respectively, oil-feed interface II (307) and oil out port III (308), oil-feed interface II (307) is connected with the exit end of hand fuel oil pump (304), oil out port III (308) is connected with carburettor (710) oil inlet on two-stroke water cooled driving engine (7), power cavity interface I (306) exports (717) by PU tracheae (309) and two-stroke engine crankcase and connects,

In the inner chamber of diaphragm fuel pump (305), be provided with diaphragm (310), in the endoporus of oil-feed interface II (307) and oil out port III (308), be respectively arranged with diaphragm fuel pump import check valve (311) and diaphragm fuel pump Outlet check valves (312).

19. microlight-type multifunction dynamic surfboards according to claim 1, it is characterized in that: described control system (12) is drag-line control system, comprise buoyancy plate body (1), control handle (5), the controller (1203) being integrated with micro controller system, cable (1201), throttle cable (1202), stay cord (1212) and two-stroke water cooled driving engine (7);

Wherein, described control handle (5) also comprises master cock (501) and throttle trigger (502); Described throttle trigger (502) is connected by the throttle arm of throttle cable (1202) with the carburettor (710) on two-stroke water cooled driving engine (7); Described stay cord (1212) one end is connected with the front end of surfboard buoyancy plate body (1), one end is connected with control handle (5), the described controller (1203) being integrated with micro controller system is electrically connected and conducting with the master cock (501) being positioned at control handle (5) top by cable (1201), and described master cock (501) is corresponding with throttle trigger (502) and be arranged at the both sides of control handle (5);

Described two-stroke water cooled driving engine (7) also comprises crank-position sensor, starter motor, light-up plug, and the crank-position sensor of described two-stroke water cooled driving engine (7), starter motor, light-up plug form cable set by the some cables with Waterproof connector of cable (1204) and be connected with the controller (1203) being integrated with micro controller system and conducting;

The controller (1203) of described integrated monolithic machine also comprises airtight controller housing (1207) and is positioned at the surface-mounted integrated circuit (1215) of this controller housing (1207), wherein said surface-mounted integrated circuit (1215) is integrated with micro controller system, engine starting and ignition control circuit, power battery pack, igniting high voltage package, battery set charge/discharge protective circuit and water pump control circuit; Airtight controller limit lid (1208) is also provided with in described controller housing (1207), described controller limit lid (1208) is fixed by screws on controller housing (1207), and described controller limit lid (1208) is provided with the joint for sealing connecting (1209) passed for wire;

The sidewall covering (1208) adjacent controller housing (1207) with controller limit is provided with bowl-type gel silica membrane (1210), and described bowl-type gel silica membrane (1210) is fixed on the through hole on the sidewall of described controller housing (1207) by pressing plate (1211) and screw;

Be electrically connected between described master cock (501) with controller (1203), the output signal of master cock (501) sends to controller (1203) as the incoming signal of controller (1203).

20. microlight-type multifunction dynamic surfboards according to claim 1, it is characterized in that: described control system (12) is automatically controlled control system, comprise buoyancy plate body (1), control handle (5), the controller (1203) being integrated with micro controller system, cable (1201), stay cord (1212) and two-stroke water cooled driving engine (7);

Wherein, described control handle (5) comprises master cock (501), throttle trigger (502), throttle trigger position sensor (503), described stay cord (1212) one end is connected with the front end of surfboard buoyancy plate body (1), one end is connected with control handle (5), the described controller (1203) being integrated with micro controller system is electrically connected and conducting with the master cock (501) being positioned at control handle (5) top by cable (1201), described master cock (501) is corresponding with throttle trigger (502) and be arranged at the both sides of control handle (5), described throttle trigger (502) place is also provided with throttle trigger position sensor (503) simultaneously, described throttle trigger position sensor (503) and throttle trigger (502) are also conducted by cable (1201) and controller (1203),

When described power surf board is compound type power surf board, the surfing of described compound type power also comprises buoyancy plate body A (108) and buoyancy plate body B (109), described controller (1203) is also provided with the Waterproof connector of cable (1204) for connecting this two boards body cable in combination place of buoyancy plate body A (108) and buoyancy plate body B (109), described controller (1203) and two-stroke water cooled driving engine (7) are all arranged on buoyancy plate body A (108), described control handle (5) and stay cord (1212) are arranged on buoyancy plate body B (109),

Described two-stroke water cooled driving engine (7) comprises crank-position sensor, starter motor, light-up plug and throttle actuating unit, and the crank-position sensor of described two-stroke water cooled driving engine (7), starter motor, light-up plug and throttle actuating unit form cable sets by the some cables with Waterproof connector of cable (1204) and to be connected with the controller (1203) being integrated with micro controller system also conducting;

The controller (1203) of described integrated monolithic machine comprises airtight controller housing (1207) and is positioned at the surface-mounted integrated circuit (1215) of this controller housing (1207), wherein said surface-mounted integrated circuit 1215 is integrated with micro controller system, engine starting and ignition control circuit, power battery pack, igniting high voltage package, throttle control circuit, battery set charge/discharge protective circuit, electronic control unit and water pump control circuit; Airtight controller limit lid (1208) is also provided with in described controller housing (1207), described controller limit lid (1208) is fixed by screws on controller housing (1207), and described controller limit lid (1208) is provided with the joint for sealing connecting (1209) passed for wire;

Be electrically connected between described master cock (501) with controller (1203), the output signal of master cock (501) sends to controller (1203) as the incoming signal of controller (1203); Described throttle trigger position sensor (503) is electrically connected with between controller (1203), and the output signal of throttle trigger position sensor (503) sends to controller (1203) as the incoming signal of controller (1203).

21. microlight-type multifunction dynamic surfboards according to claim 1, it is characterized in that: described control system (12) is wireless remote control control system, comprise buoyancy plate body (1), control handle (5), the controller (1203) being integrated with micro controller system, receiving element demoder (1205), receiving wire (1206) and two-stroke water cooled driving engine (7);

Wherein, described control handle (5) comprises master cock (501), throttle trigger (502), throttle trigger position sensor (503), carrier transmit circuit and emitting antenna (504), has the coder (505) of micro controller system; Described two-stroke water cooled driving engine (7) comprises crank-position sensor, carburettor (710), starter motor, light-up plug and throttle actuator (1204); The described controller (1203) being integrated with micro controller system is connected and conducting by the throttle actuator (1204) of the upper carburettor (710) of water proof wire and two-stroke water cooled driving engine (7), the described controller (1203) being integrated with micro controller system is connected with receiving element demoder (1205) by water proof wire, and described receiving element demoder (1205) is connected with receiving wire (1206);

Described master cock (501) is arranged at the tip position of control handle (5), the relative side of master cock (501) is provided with throttle trigger (502), throttle trigger position sensor (503) and carrier transmit circuit and emitting antenna (504) is provided with around described throttle trigger (502), the coder (505) of micro controller system is installed in the internal cavities of described control handle (5), when master cock (501) and throttle trigger (502) work, the position signal that throttle trigger position sensor (503) detects is carried out coding and forms code signal and sent to the receiving wire (1206) being positioned at surfboard buoyancy plate body (1) by carrier transmit circuit and emitting antenna (504) by the coder (505) with micro controller system, code signal is transferred to receiving element demoder (1205) by described receiving wire (1206), the controller (1203) being integrated with micro controller system is sent to after described receiving element demoder (1205) decoding, the throttle actuator (1204) that described controller (1203) controls the carburettor (710) of two-stroke water cooled driving engine (7) carries out work,

The controller (1203) of described integrated monolithic machine comprises airtight controller housing (1207) and is positioned at the surface-mounted integrated circuit (1215) of this controller housing (1207), wherein said surface-mounted integrated circuit 1215 is integrated with micro controller system, engine starting and ignition control circuit, power battery pack, igniting high voltage package, throttle control circuit, remote-control receiving circuit, battery set charge/discharge protective circuit, electronic control unit and water pump control circuit; Airtight controller limit lid (1208) is also provided with in described controller housing (1207), described controller limit lid (1208) is fixed by screws on controller housing (1207), and described controller limit lid (1208) is provided with the joint for sealing connecting (1209) passed for wire;

The bottom of described control handle (5) is provided with fixing inserting column (506), and be also provided with handrail (6) being positioned on surfboard buoyancy plate body (1), (6) have fixed jack to described handrail;

The bottom front of described control handle (5) has can the hole (508) of stationary rope, hole (508) be connected with the hole (103) on surfboard buoyancy plate body (1) by rope (1212), the tail end of described control handle (5) is also provided with the wrist strap (507) that can be fixed in wrist.

22. microlight-type multifunction dynamic surfboards according to claim 1, it is characterized in that: described machinery space drainage system (9) is unidirectional drainage by suction system, comprise the machinery space drain hose (902) be communicated with the spray chamber of water jet propulsion pump (4) by machinery space (2), the water inlet of this machinery space drain hose (902) is positioned on the base plate of machinery space (2) afterbody, and the water outlet of machinery space drain hose (902) is arranged in the water chamber of water jet propulsion pump (4) and consistent with the water spraying direction of water jet propulsion pump (4);

The machinery space drain hose (902) of machinery space (2) to water jet propulsion pump (4) is provided with machinery space drain filter (903) and machinery space check valve of water drainage (904).

23. microlight-type multifunction dynamic surfboards according to claim 22, it is characterized in that: described machinery space drain hose (902) is flexible pipe, the water outlet of this machinery space drain hose (902) is connected with connection hard tube (911) water inlet be fixed on water jet propulsion pump (4) housing, the water inlet of this connection hard tube (911) is positioned at outside the housing of water jet propulsion pump (4), and the water outlet of connection hard tube (911) is arranged in the water chamber of water jet propulsion pump (4) and installation direction is consistent with the water spraying direction of water jet propulsion pump (4); Described connection hard tube (911) is naval's copper pipe, stainless steel tube or titanium alloy tube; Resin bonding is adopted between described connection hard tube (911) and the housing of water jet propulsion pump (4); Described connection hard tube (911) and machinery space drain hose (902) adopt band to be fixed as one.

24. microlight-type multifunction dynamic surfboards according to claim 22, it is characterized in that: the water inlet of described machinery space drain hose (902) is provided with machinery space drain hose fixed support (905), this machinery space drain hose fixed support (905) is fixed on the base plate of machinery space (2) interior afterbody, and machinery space drain hose (902) is fixed on machinery space drain hose fixed support (905) by band.

25. microlight-type multifunction dynamic surfboards according to claim 1, it is characterized in that: described machinery space drainage system (9) is diaphragm pump drainage system, comprise drain hose II (901), the water inlet of this drain hose II (901) is positioned on the base plate of machinery space (2) afterbody, and the water outlet of drain hose II (901) passes the machinery space discharge port (103) be positioned on buoyancy plate body (1) top panel; Drain hose II (901) is disposed with machinery space drain filter (903) and machinery space draining diaphragm pump (906), this machinery space draining diaphragm pump (906) has three interfaces, wherein two Inlet and outlet water interfaces are communicated with drain hose II (901), and another one propulsion source interface exports (717) by connection tracheae (907) and two-stroke engine crankcase and connects.

26. microlight-type multifunction dynamic surfboards according to claim 25, it is characterized in that: the water inlet of described drain hose II (901) is provided with machinery space drain hose fixed support (905), this machinery space drain hose fixed support (905) is fixed on the base plate of machinery space (2) interior afterbody, and drain hose II (901) is fixed on machinery space drain hose fixed support (905) by band; The water outlet of described drain hose II (901) is fixed in the plate body machinery space discharge port (103) on power surf board plate body.

27. microlight-type multifunction dynamic surfboards according to claim 1, it is characterized in that: described machinery space drainage system (9) is direct current drive dewatering pump intermittent drainage system, comprise drain hose II (901), the water inlet of this drain hose II (901) is positioned on the base plate of machinery space (2) afterbody, and the water outlet of drain hose II (901) passes the machinery space discharge port (103) be positioned on buoyancy plate body (1) top panel; Drain hose II (901) is provided with machinery space drain filter (903) and direct current drive dewatering pump (908), this direct current drive dewatering pump (908) is by controller (1203) conducting with micro controller system of wire and control system (12), and the controller (1203) with micro controller system controls direct current drive dewatering pump (908) periodic running.

28. microlight-type multifunction dynamic surfboards according to claim 27, it is characterized in that: the water inlet of described drain hose II (901) is provided with machinery space drain hose fixed support (905), this machinery space drain hose fixed support (905) is fixed on the base plate of machinery space (2) interior afterbody, and drain hose II (901) is fixed on machinery space drain hose fixed support (905) by band; Waterproof cable joint I (1214) is provided with in the joint of wire.

29. microlight-type multifunction dynamic surfboards according to claim 1, it is characterized in that: described machinery space drainage system (9) is band water level detecting direct current drive dewatering pump automatic drain system, comprise drain hose II (901), the water inlet of this drain hose II (901) is positioned on the base plate of machinery space (2) afterbody, and the water outlet of drain hose II (901) passes the machinery space discharge port (103) be positioned on buoyancy plate body (1) top panel, drain hose II (901) is provided with machinery space drain filter (903) and direct current drive dewatering pump (908), in machinery space (2) afterbody base plate on be provided with level switch (910), described direct current drive dewatering pump (908) and level switch (910) are all by controller (1203) conducting with micro controller system of wire and control system (12), detection signal is fed back to the controller (1203) with micro controller system by level switch (910), the controller (1203) with micro controller system controls direct current drive dewatering pump (908) and automatically runs.

30. microlight-type multifunction dynamic surfboards according to claim 29, it is characterized in that: the water inlet of described drain hose II (901) is provided with machinery space drain hose fixed support (905), this machinery space drain hose fixed support (905) is fixed on the base plate of machinery space (2) interior afterbody, and drain hose II (901) is fixed on machinery space drain hose fixed support (905) by band; Waterproof cable joint (1214) is provided with in the joint of wire.

31. microlight-type multifunction dynamic surfboards according to claim 1, it is characterized in that: the impeller shaft (402) that described water jet propulsion pump (4) comprises again, one end of this impeller shaft (402) is stretched in waterjet propulsion pump case (401) inner chamber, and is arranged on the impeller (403) on impeller shaft (402); It is characterized in that: described waterjet propulsion pump case (401) and impeller (403) all adopt carbon fiber to make;

The mouth of described impeller shaft (402) is through in the thrust baring (405) be fixed in bearing seat (404) and deep groove ball bearing (406), the impeller shaft (402) of the water inlet of waterjet propulsion pump case (401) is fixed with impeller (403), and this impeller (403) is arranged in waterjet propulsion pump case (401) inner chamber between the water inlet of thrust baring (405) and waterjet propulsion pump case (401);

High-speed spray runner is formed between described bearing seat (404) outer wall and waterjet propulsion pump case (401) inwall.

32. microlight-type multifunction dynamic surfboards according to claim 31, is characterized in that: the afterbody of described bearing seat (404) is fixed with the conical flow guiding cover (407) with bearing seat (404) one, and this conical flow guiding cover (407) is made up of carbon fiber; Be provided with reinforced seal I (410) between described thrust baring (405) and impeller (403), described reinforced seal I (410) is positioned at bearing seat (404) inner chamber front end; Described thrust baring (405) is positioned at deep groove ball bearing (406) front; Described waterjet propulsion pump case (401) shell is fixed with water jet propulsion pump fixed mount (409); The other end of described impeller shaft (402) is fixed with coupler (705); The middle part shaft part of described impeller shaft (402) is set with at least a set of backup bearing (408); Described backup bearing (408) sidewall sheath is equipped with outside framework oil seal II (412), and outside framework oil seal of telling is positioned at plate body by water side; The arc-like sheet (413) that described bearing seat (404) outer wall and waterjet propulsion pump case (401) are made up of 6 carbon fibers connects as one, and arc-like sheet forms pilot flow between (413).

33. microlight-type multifunction dynamic surfboards according to claim 1, it is characterized in that: described engine compartment cover (10) comprises again the lid (10a) mated with machinery space (2), be arranged on the engine compartment cover mounting hole (10b) on lid (10a), the touch panel of lid (10a) with machinery space (2) is bonded with the rubber seal (10c) with lid (10a) one, and described lid (10a) passes through through engine compartment cover mounting hole (10b) screw fastening at machinery space (2) top.

34. microlight-type multifunction dynamic surfboards according to claim 1, it is characterized in that: described engine compartment cover (10) comprises again the lid (10a) mated with machinery space (2), be arranged on the engine compartment cover mounting hole (10b) on lid (10a), the touch panel of lid (10a) with machinery space (2) is bonded with the rubber seal (10c) with lid (10a) one, and described lid (10a) passes through through engine compartment cover mounting hole (10b) screw fastening at machinery space (2) top; The middle part of described lid (10a) has outside lug boss (10d).

35. microlight-type multifunction dynamic surfboards according to claim 1, it is characterized in that: described buoyancy plate body (1) is sleeved in the knapsack (1401) mated with it, this knapsack (1401) comprises again the knapsack slide fastener (1404) being sewn to knapsack (1401) side, and the length of this knapsack slide fastener (1404) is longer than the length of microlight-type power surf board plate body (1); Be positioned at two backpack strips (1403) on the back of knapsack (1401), one end of this backpack strip (1403) is fixed on the middle and upper part, back of knapsack (1401), the other end of backpack strip (1403) is fixed with connection-peg, this connection-peg inserts in the backpack strip Rapid fastener (1402) mated with it and is fixed as one with described backpack strip Rapid fastener (1402), and this backpack strip Rapid fastener (1402) is fixed on the back bottom of knapsack (1401); Described knapsack (1401) is fixed on knapsack roof fixed mount, this knapsack roof fixed mount also comprises two fixed links (1407), the end of this fixed link (1407) is provided with for the drag hook (1406) fixing with door frame top, and the bar section of fixed link (1407) is provided with the fixing card (1409) of backpack strip; A backpack strip (1403) in two backpack strips (1403) of knapsack (1401) is inserted afterwards in backpack strip Rapid fastener (1402) through the fixing card (1409) of backpack strip of fixed link (1407) top and the fixing card (1409) of backpack strip of an other fixed link (1407) below successively and is fixed as one with described backpack strip Rapid fastener (1402), and an other backpack strip (1403) is inserted afterwards in backpack strip Rapid fastener (1402) through the fixing card (1409) of backpack strip of fixed link (1407) below and the fixing card (1409) of backpack strip of an other fixed link (1407) top successively and is fixed as one with described backpack strip Rapid fastener (1402); Two backpack strips (1403) are intersected mutually at the back of knapsack (1401) and face; The side of described knapsack (1401) has fixed link collecting bag (1405); The body of rod of the fixed link (1407) near drag hook (1406) is provided with rubber pad (1408).