CN201007234Y - Dual-purpose fuel two-wheel motorcycle - Google Patents

Abstract

The utility model discloses a dual-purpose fuel two-wheeled motorcycle, wherein a motorcycle body on the top of an engine is provided with an air bottle, the two sides of the air bottle are separately equipped with a supporting pipe, and an oil tank is arranged on the top of the air bottle and fixed on the supporting pipe; the air bottle is connected with an air inlet of a pressure reducing valve after sequentially connected with a compressed natural gas manometer and a gas charging valve through a pipeline, an electromagnetic valve is disposed on the pressure reducing valve, and an air outlet of the pressure reducing valve is connected with an air inlet of a power valve; and a connecting pipeline between an air filter and the engine is equipped with a mixer, and the mixer is connected with an air outlet of the power valve through the pipeline. The utility model not only can use gasoline as the fuel but also can use compressed natural gas as the fuel, thereby largely reducing the utilizing cost and decreasing the environmental pollution. The utility model has the characteristics of skillful concept, easy execution, simple control, convenient utilizing, and the like, applicable for the large scale spread and application.

Description

The dual-purpose fuel two-wheeled motor vehicle

Technical field

The utility model relates to and belongs to technical field of motorcycles, specifically, relates to a kind of dual-purpose fuel two-wheeled motor vehicle.

Background technique

At present, the two-wheeled motor vehicle of domestic production mainly is to provide power with petrol engine, and the overwhelming majority is non-electronic fuel injection engine, it is after utilizing gasoline in the fuel tank and the air in the empty filter to enter to mix in the Carburetor, be inhaled into work by combustion in the cylinder and produce power, it pollutes big, the oil consumption height.Along with the rise of oil price and the raising of environmental requirement, the more and more requirement of incompatibility social development of single fuel gasoline motor motorcycle.

Meanwhile, the two-wheeled vehicle of clean energy resource has appearred on the market adopting, all with fuel cell and liquefied petroleum gas (LPG) alternative as gasoline, though fuel cell can solve oil consumption and pollution problem, but, make it be difficult to dominate the market as the vehicle of maturation owing to there is the outstanding problem that power character is not good and mileages of continuation is not long; Adopt the two-wheeled vehicle of liquefied petroleum gas (LPG), though solved pollution and power character problem, but still can't break away from dependence to oil.

CNG is the abbreviation of compressed natural gas.CNG is nontoxic, tasteless, colourless gas.Have price low, do not contain carcinogens such as benzene, lead, sulphur (exhaust pollution be gasoline 1/3), and the working zone does not have carbon distribution, does not dilute machine oil, engine scuffing little (can save 50% machine oil expense and vehicle maintenance expense), reserves enrich, are convenient to characteristics such as storage transportation, are present ideal gasoline alternatives.Along with maturation and Infrastructure such as aerating net perfect of Compressed Natural Gas Technology on automobile is used, making becomes possibility with this technology transplant in motorcycle.Test result shows that the fuel cost that the CNG car is hundred kilometers is about 20% of a regular gasoline car, and economic benefit is fairly obvious.

The model utility content

For solving above technical problem, the purpose of this utility model is to provide a kind of gasoline that can use to act as a fuel, and can use the dual-purpose fuel two-wheeled motor vehicle of compressed natural gas as fuel again.

The technical solution of the utility model is as follows: a kind of dual-purpose fuel two-wheeled motor vehicle, comprise vehicle body, empty filter, fuel tank, fuel tank switch, Carburetor, motor and spark coil, its hollow filter and fuel tank communicate with Carburetor by pipeline respectively, fuel tank switch is installed on the connecting pipeline between fuel tank and the Carburetor, this Carburetor is connected with the air inlet pipeline of motor, its key is: on the vehicle body above the described motor gas cylinder is housed, the both sides of this gas cylinder respectively are provided with a support tube, and described fuel tank is positioned at the top of gas cylinder and is fixedly mounted on the support tube; After gas cylinder connects compressed natural gas pressure gauge and gas charging valve successively by pipeline, join, solenoid valve is housed, and the air outlet of reduction valve is connected with the suction port of dynamic valve by pipeline on reduction valve with the suction port of reduction valve; On the connecting pipeline between described empty filter and the Carburetor mixer is installed, this mixer is connected with the air outlet of described dynamic valve by pipeline.

The utlity model has two cover fuel supply systems, i.e. gas supply system that forms by fuel tank, fuel tank switch, Carburetor and motor and the natural gas supply systems of forming by gas cylinder, compressed natural gas pressure gauge, gas charging valve, reduction valve, dynamic valve, mixer, Carburetor and motor.The conducting of gas supply system is controlled by fuel tank switch, and the conducting of natural gas supply system is manual or electronic control by solenoid valve.Motorcycle can select for use rock gas as the major impetus source as required like this, has not only reduced cost but also solved pollution problem; When needs quicken or add under the situation such as load to use gasoline instead as power source, correspondingly solved the power character problem.Support tube both can be used as tank support, can play the effect of protection gas cylinder again.

Above above-mentioned body structure, be provided with a throw over switch, a signal input interface of the positive terminal of a spark coil lead in parallel and throw over switch joins, another signal input interface of throw over switch is connected with the compressed natural gas pressure gauge, and the signal output interface of throw over switch is connected with solenoid valve by lead.Motorcycle adopts rock gas or gasoline can realize by this throw over switch control as power source, and is very simple and convenient.

In order to make structure compact more, above-mentioned gas cylinder is obliquely installed in the bending part of vehicle body, and the shape and the gas cylinder of fuel tank bottom surface adapt, and fuel tank is gone into the upper lid of gas cylinder wherein.

Above-mentioned gas cylinder is fixed on the vehicle body by anchor ear, at the place, air outlet of gas cylinder the bottleneck valve is housed.Gas cylinder is the special-purpose gas cylinder that stores compressed natural gas, can select safety durable for use, the steel gas cylinder that plot ratio is high, and to dispose fusing point be the safety anti-explosive diaphragm that 95～105 ℃ fusible plug and damaged pressure are 25～30Mpa; Gas cylinder adopts the anchor ear structure to install, and can conveniently take out gas cylinder and overhaul; The bottleneck valve can cut out the passage that rock gas is supplied with where necessary.

Beneficial effect: the utility model can either use gasoline to act as a fuel, can use compressed natural gas to act as a fuel again, greatly reduce user cost, reduce environmental pollution, have characteristics such as being skillfully constructed, implementing easily, control is simple, easy to use, be suitable for large-scale promotion application.

Description of drawings

Structural representation when Fig. 1 does not install fuel tank for the utility model.

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

Fig. 3 installs structural representation behind the fuel tank for the utility model.

Fig. 4 is the connection diagram of gas supply system of the present utility model and natural gas supply system.

Embodiment

The utility model is described in further detail below in conjunction with drawings and Examples:

As shown in Figure 1, Figure 2, Figure 3 and Figure 4, the utility model is made up of parts such as front-wheel 20, front fork 21, headstock 22, vehicle body 1, empty filter 2, fuel tank 3, fuel tank switch 4, Carburetor 5, motor 6, spark coil 7, trailing wheel 23, rear arm 24 and back shelf 19, wherein the front end of vehicle body 1 is installed headstock 22, and this headstock 22 is connected with front-wheel 20 by front fork 21.Empty filter 2, fuel tank switch 4, Carburetor 5, motor 6 and spark coil 7 are installed on the vehicle body 1 according to known manner, and the rear portion of vehicle body 1 is connected with trailing wheel 23 by rear arm 24, and back shelf 19 are installed in the afterbody of vehicle body 1.Above motor 6, by anchor ear 17 gas cylinder 8 that is obliquely installed is installed in the bending of vehicle body 1 part, be welded with two support tubes 16 between the vehicle body of described headstock 22 bottoms and rear shock absorber top, two support tube 16 separations are in the both sides of gas cylinder 8, and described fuel tank 3 is positioned at the top of gas cylinder 8 and is fixedly mounted on the support tube 16.

Can find out also that from Fig. 1, Fig. 2, Fig. 3 and Fig. 4 fuel tank 3, fuel tank switch 4, Carburetor 5 and motor 6 connect by pipeline successively, form the gas supply system.After gas cylinder 8 connects compressed natural gas pressure gauge 9 and gas charging valve 10 successively by pipeline, join, solenoid valve 12 is housed on reduction valve 11 with the suction port of reduction valve 11; After the air outlet of described reduction valve 11 connects dynamic valve 13 by pipeline, communicate with mixer 14, this mixer 14 is installed on the connecting pipeline between sky filter 2 and the Carburetor 5, and gas cylinder 8, compressed natural gas pressure gauge 9, gas charging valve 10, reduction valve 11, dynamic valve 13, mixer 14, Carburetor 5 and motor 6 are formed natural gas supply systems.Bottleneck valve 18 is equipped with at place, air outlet at gas cylinder 8, so that close the passage that rock gas is supplied with where necessary.Reduction valve 11 is installed in vehicle body 1 bottom, motor 6 left sides, and the hot gas that utilizes air-cooled motor 6 to distribute is heated to the suction port of reduction valve 11, prevents that suction port ice is stifled.Gas charging valve 10, compressed natural gas pressure gauge 9 are installed in the bottleneck side of gas cylinder 8, help shortening pipeline, be convenient to inspect residue tolerance and aerating.Simultaneously, dexterously mixer 14 is integrated in the place, air outlet of sky filter 2, has saved the space, simplify the structure.

As shown in Figure 4, above vehicle body 1 front end, be provided with a throw over switch 15, a signal input interface of the positive terminal of spark coil 7 lead in parallel and throw over switch 15 joins, another signal input interface of throw over switch 15 is connected with compressed natural gas pressure gauge 9, and the signal output interface of throw over switch 15 is connected with solenoid valve 12 by lead.Throw over switch 15 and compressed natural gas pressure gauge 9 are by storage battery 25 power supplies, and throw over switch 15 adopts LED to show, establishes three gears:

" oil " position shelves, corresponding tutorial light is bright, opens the Fuel Petroleum oil circuit;

The no tutorial light in neutral position " neutral gear ", oil circuit and gas circuit are all obstructed, are the transition gears of " oil " commentaries on classics " gas ";

" gas " position shelves, corresponding tutorial light is bright, motor 6 runnings, throw over switch 15 can receive pulse signal, and assurance high-pressure solenoid valve 12 is opened, and the gas circuit of reduction valve 11, mixer 14 is open-minded; If motor 6 does not turn round, do not have pulse signal to pass to throw over switch 15, throw over switch 15 outage automatically of just only switching on about 3s, so just make motor 6 flame-out after, close the rock gas high-pressure system automatically, not only safety but also fuel saving.

Can find out further that from Fig. 3 the shape and the gas cylinder 8 of fuel tank 3 bottom surfaces adapt, and fuel tank 3 is gone into the upper lid of gas cylinder 8 wherein.The remaining part of gas cylinder 8 can cover by suitable covering, in the rear end of covering ventilated port is set, and gas cylinder 8 and pipeline and driver isolate like this, in case gas cylinder gas leakage, harmful gas will be wandering from the ventilated port of rear end, guarantees traffic safety.Even crash, also can be pulled a large amount of danger of leaking gas in the back of breaking thereby reduce pipeline because of the covering protection is arranged.

The utility model is to realize air feed like this: when fuelled with natural gas, bottleneck valve 18 is opened, fuel tank switch 4 is closed, oil/gas shift the switch 15 that is installed in headstock is pulled the position of " gas ", rock gas solenoid valve 12 is opened at this moment, and the 20Mpa high-pressure natural gas in the gas cylinder 8 enter reduction valve 12 by pressure duct and reduce pressure step by step, enter mixer 14 by low pressure line, dynamic valve 13 again, and with the air mixing that enters through empty filter 2, enter motor 6 cylinder combustions through Carburetor 5 passages.Reduction valve 11 is complementary with mixer 14, according to the different degree of vacuum of various different operating modes generations of motor 6, regulates the air demand of reduction valve 11 automatically, and rock gas is mixed with even air, satisfies the usage requirement of Under Different Work Condition of Engine.

The utility model is to realize fuel feeding like this: when making when using gasoline for the fuel, bottleneck valve 18 cuts out, fuel tank switch 4 is opened, oil/gas shift the switch 15 that is installed in headstock is pulled the position of " oil ", this moment, solenoid valve 12 cut out, and gasoline enters Carburetor 5 and is inhaled into motor 6 cylinder combustions by fuel tank switch 4.

Claims (4)

1. dual-purpose fuel two-wheeled motor vehicle, comprise vehicle body (1), empty filter (2), fuel tank (3), fuel tank switch (4), Carburetor (5), motor (6) and spark coil (7), its hollow filter (2) and fuel tank (3) communicate with Carburetor (5) by pipeline respectively, fuel tank switch (4) is installed on the connecting pipeline between fuel tank (3) and the Carburetor (5), this Carburetor (5) is connected with the air inlet pipeline of motor (6), it is characterized in that: on the vehicle body (1) of described motor (6) top, gas cylinder (8) is housed, the both sides of this gas cylinder (8) respectively are provided with a support tube (16), and described fuel tank (3) is positioned at the top of gas cylinder (8) and is fixedly mounted on the support tube (16); After gas cylinder (8) connects compressed natural gas pressure gauge (9) and gas charging valve (10) successively by pipeline, join with the suction port of reduction valve (11), solenoid valve (12) is housed, and the air outlet of reduction valve (11) is connected by the suction port of pipeline with dynamic valve (13) on reduction valve (11); On the connecting pipeline between described empty filter (2) and the Carburetor (5) mixer (14) is installed, this mixer (14) is connected by the air outlet of pipeline with described dynamic valve (13).

2. dual-purpose fuel two-wheeled motor vehicle according to claim 1, it is characterized in that: the top at vehicle body (1) front end is provided with a throw over switch (15), a signal input interface of the positive terminal of spark coil (a 7) lead in parallel and throw over switch (15) joins, another signal input interface of throw over switch (15) is connected with compressed natural gas pressure gauge (9), and the signal output interface of throw over switch (15) is connected with solenoid valve (12) by lead.

3. dual-purpose fuel two-wheeled motor vehicle according to claim 1 and 2, it is characterized in that: described gas cylinder (8) is obliquely installed in the bending part of vehicle body (1), the shape and the gas cylinder (8) of fuel tank (3) bottom surface adapt, and fuel tank (3) is gone into the upper lid of gas cylinder (8) wherein.

4. dual-purpose fuel two-wheeled motor vehicle according to claim 3 is characterized in that: described gas cylinder (8) is fixed on the vehicle body (1) by anchor ear (17), at the place, air outlet of gas cylinder (8) bottleneck valve (18) is housed.

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