CN2196077Y - Light weight motor tricycle - Google Patents

Abstract

The utility model relates to a motorcycle whose engine is arranged above wheels. Exactly speaking, the utility model is a light weight motor tricycle characterized in that the engine (6) is positioned in the rear part of a rear axle (10). The light weight motor tricycle is characterized in that the engine (6) is positioned in the middle position of the tail part of the motor tricycle and in the rear part of a rear axle (10). The engine is directly fixed on a motorcycle frame (15). The rear axle (10) is arranged above the motorcycle frame (15). The middle part of the motorcycle is provided with seats (3, 4) for riding persons. An outer cover (16) is arranged in the outer part of the motorcycle. The utility model has the advantages of novel structure, even weight distribution of the motorcycle, low center of gravity, and high stability.

Description

Light weight motor tricycle

The utility model relates to the motor bike of driving engine above trailing wheel, exactly is a kind of light-duty motor-tricycle of driving engine at the back axle rear portion.

Advanced at present motor bike, be raising speed, increase stability, all adopt four-stroke gasoline engine, the double rear wheel differential drives, pioneering technologys such as chain gear and hydraulic spring grease cup damping, yet motor-tricycle or be used for passenger traffic, or be used for shipping, be characterized in that driving engine is positioned at the car front portion, has elongated driving system, make it be generally the secondary transmission, complex structure, center of gravity are in the car front portion, and driving engine is positioned under the vehicle seat, the center of gravity height, also under vehicle frame, used vehicle frame is a welded structure for the less stable of car in operational process, the back axle of car, complex manufacturing technology, the cost height because the restriction of self structure, car from great, space utilization is unreasonable, not compact, the consumed cost height, and lateral stability is bad.

In order to improve the stability of motor-tricycle, reduce production costs, the purpose of this utility model provides rear portion that a kind of driving engine is positioned at back axle, driving system weak point, compact conformation, center of gravity is low, cost is low, riding space is bigger light-duty motor-tricycle.

The utility model is by front-wheel (1), operator's seat (2), the vehicle frame of integral planar structure (15), the control brake, the control system of starting, fork wushu control loop, the driving system that chain (12) and power-transfer clutch are formed, power system based on spark ignition engine (6), double rear wheel (5) and body cover (16) that the energy differential drives are formed, it is characterized in that driving engine (6) is positioned at the afterbody midway location of car, rear portion in back axle (10), move after making the center of gravity of car, the weight of it and chaufeur is symmetrical distribution in motion, can increase the stability of car, driving engine (6) is directly supported by the vehicle frame (15) of low center of gravity, the damping that does not influence back axle (10) is beated, back axle (10) supports two trailing wheels (5), its main body is on vehicle frame (15), connect with vehicle frame (15) by propelling rod (13), make power, driving system concentrates in the little space of tailstock portion, propelling rod (13) connects car body and back axle (10), its two ends are separately fixed at back axle (10) and are fixed on the low frame (14) on the vehicle frame (15), make back axle (10) moving power output shaft displacement of the lines when motion, when having avoided chain when pine tight phenomenon, chain (12) connects two sprocket wheels on back axle (10) and the driving engine (6), be the one-level transmission, be useful on the seat (3 of taking advantage of the people in the middle part of car, 4), it can be dismantled or fold up, but make the central space carrying of car, the thing of also can freighting, on vehicle frame (15), be fixed with the outer cover (16) that covers whole three-wheel vehicle, body cover (16) is a totally enclosed.

Bumper (8) is supported with the auxiliary back of strengthening of support (9) in arm-chair frame (7) both sides of back seat (4), and be fixed with fuel tank (11) at its rear portion, arm-chair frame (7), support (9), bumper (8) and fuel tank (11) form a very compact integral body, it neither influences the work of driving engine (6), can effectively utilize the space again.

The middle part of motor bike is useful on two row's seats of carrying, they are directly fixed on the vehicle frame (15), front-row seats (3) near operator's saddle (2) is demountable, the seat of back seat (4) can stack the position that merges with arm-chair frame (7), when needs loading thing, front-row seats (3) can disassemble, and back seat (4) can be folded up, and vacating space is as cargo hold.

That power system of the present utility model adopts is air-cooled, vertical, the four-stroke gasoline engine of electricity starting is as driving engine (6), and its economy is fuel-efficient, power is big, in light weight, and the vibrations that produce when work are little, good stability.The outer cover of this motor-tricycle (16) moulding also can be adopted other fully enclosed style with the style of glass-felt plastic full-enclosed roadlice.

Because the driving engine of this utility model is at the rear portion of car, back axle directly is fixed on the vehicle frame two row's seats above vehicle frame, has reduced the center of gravity of car, has increased the lateral stability of car.Rearmounted driving engine and back axle are with power, driving system is controlled in the little space, making driving system is the one-level transmission, shortened driving system, space arm-chair frame and support have been utilized fully, bumper, the fabricate block of fuel tank has also effectively utilized the space, they make the tail structure compactness of car, saved material, reduced productive costs, not only power is big for its four-stroke engine petrol, and in light weight, can improve speed and transport capacity, can reduce the vibrations of car again, increase stability, and this car changes the cargo hold of postposition at the middle part passenger-cargo dual-purpose cabin, existing bigger usage space has various usability again.The structure that this car is such makes car in motion, and the bottom weight of car is big, and top is in light weight, and its center of gravity generally is low, compares with present motor-tricycle, and its stability is fine.

Now contrast accompanying drawing and specifically describe enforcement of the present utility model.

Fig. 1 front elevation of the present utility model during for no outer cover.

Fig. 2 birds-eye view of the present utility model during for no outer cover.

Fig. 3 the utility model shown in Figure 2 is along the part sectional view of I-II line.

Fig. 4 front elevation of the present utility model when outer cover is arranged.

Among the figure: 1 front-wheel, 2 operator's saddles, 3 front-row seats, 4 back seats, 5 trailing wheels, 6 driving engines, 7 arm-chair framves, 8 bumpers, 9 supports, 10 back axles, 11 fuel tanks, 12 chains, 13 propelling rods, 14 low framves, 15 vehicle frames, 16 outer covers.

The utility model is to implement like this: vehicle frame is that the rectangle square steel tube integral solder with 30 * 30 * 3mm forms, it is the rectangle of 2300 * 600m, the front and back wheel (1 that car is arranged at the front and rear of vehicle frame (15), 5), the distance of shaft centers of front and back wheel is 1610mm, front-wheel (1) passes through bearing, trailing wheel (5) links to each other with vehicle frame (15) by back axle (10), make overhead 200mm of vehicle frame, wherein back axle (10) is that φ 50 steel pipe integrals of 800mm are welded with length, propelling rod (13) is made with the steel pipe of φ 25 * 3mm, connect back axle (10) and be fixed in low frame (14) on the vehicle frame (15), on the sprocket wheel on driving engine (6) and the back axle bush roller chaiin is arranged, three wheels are selected stamped steel wooden handcart circle and the combined integrated shape of aluminium alloy compression casting wheel hub for use, tire is the 400-12 type, rear portion at back sedan-chair (10), directly go up fixing CG125 four-stroke gasoline engine and the corollary equipment thereof gone up at vehicle frame (15), as power system, there is a row be fixed on back seat (4) on the vehicle frame (15) with angle bar in the place ahead of back axle, bottom at the arm-chair frame (7) of back seat (4) has two bumpers on light cavalry lily magnolia that group produces-50 motor bikes to use as damping, and at the fuel tank (11) of fixing last 800 * 400 * 60mm of the rear upper end of arm-chair frame (7), fuel tank (11), bumper (8), support (9) and arm-chair frame (7) form the integral body of a compactness, the seat of back seat (4) is fixed by bolts on the vehicle frame, between it and the arm-chair frame (7) two high-intensity springs are arranged, in order to shrink the seat, operator's seat (2) is arranged in the front portion of car, front-row seats (3) is arranged thereafter, operator's seat (2), front-row seats (3), back seat (4) all is the individual seat of sponge formula soft seat, their difference part is that operator's seat (2) is welded on the vehicle frame (15), front-row seats (3) is to use bolt on vehicle frame (15), demountable, then arranging seat (4) can fold, other parts of motor-tricycle are all used the parts of common motor bike, on vehicle frame (15), also be covered with the simple gate glass-felt plastic full-enclosed outer cover (16) of pattern as shown in Figure 4, make car both artistic and practical, the oad of car is: vehicle commander 2300mm, wide 850mm, high 1400mm.

Claims (4)

1, a kind of light-duty motor-tricycle, be positive tricycle structure, it comprises front-wheel (1), operator's seat (2), the vehicle frame of integral planar structure (15), the control brake, the control system of starting, fork wushu control loop, the driving system that chain (12) and power-transfer clutch are formed, power system based on engine petrol (6), the double rear wheel (5) that the energy differential drives, it is characterized in that driving engine (6) is positioned at the afterbody midway location of car, rear portion in back axle (10), move after making the center of gravity of car, it is directly supported by the vehicle frame (15) of low center of gravity, back axle (10) supports two trailing wheels (5), its main body is on vehicle frame (15), connect with vehicle frame (15) by propelling rod (13), make back axle (10) moving power output shaft displacement of the lines when motion, chain (12) connects two sprocket wheels on back axle (10) and the driving engine (6), be the one-level transmission, the seat (3 that can be used for taking advantage of the people is arranged in the middle part of car, 4), it can be dismantled or fold up, but make the central space carrying of car, the thing of also can freighting, on vehicle frame (15), be fixed with the outer cover (6) that covers whole three-wheel vehicle, body cover (16) is a totally enclosed.

2, according to the described a kind of light-duty motor-tricycle of claim 1, the arm-chair frame (7) that it is characterized in that back seat (4) supports bumper (8) with the auxiliary back of strengthening of support (9), and being fixed with fuel tank (11) at the rear portion of arm-chair frame (7), arm-chair frame (7), support (9), bumper (8) and fuel tank (11) form a very compact fabricate block.

3,, it is characterized in that power system adopts the four-stroke gasoline engine (6) air-cooled, vertical, that electricity starts as driving engine according to the described a kind of light-duty motor-tricycle of claim 1.

4,, it is characterized in that its outer cover (16) moulding can adopt the style of glass-felt plastic full-enclosed cyclecar according to the described a kind of light-duty motor-tricycle of claim 1.

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