CN2539685Y - Portable electric bicycle - Google Patents

Abstract

The utility model discloses a portable electric bicycle, which comprises a pluralitu of handles, a front fork rack, a cushion, a frame, front and rear wheels, a foot rest, a controller, a storage battery, and a front braking device and a rear braking device; wherein, the frame is composed of a main rod, a cushion rod, a rear wheel support and a rear shock absorber; the main rod is connected with the front fork rack; the cushion rod is fastened with the main rod; the cushion is positioned on the cushion rod; the rear wheel support is movably hinged with the main rod; an end of the rear shock absorber is connected with the cushion rod and the other end is arranged on the rear wheel support; the rear wheels are fixed on the rear wheel support; a power fixing seat is arranged on the rear wheel support; and a power drive is arranged on the power fixing seat and the rear wheel shaft. The utility model has the advantages of reasonable structure, small wearing of transmission part, great torque, strong grade ability, convenient maintenance, high and flexible usage, charging exemption, long service life, high efficiency, light weight, low cost and beautiful and generous appearance.

Description

The portable electric bicycle

One, technical field

The utility model relates to a kind of Electrical Bicycle, particularly the improvement of Electrical Bicycle vehicle frame, power drive and wheel.

Two, background technology

The power of existing most Electrical Bicycle is arranged on the vehicle frame, also go here and there up and down when trailing wheel advances forward when riding with the road conditions quality, because trailing wheel is gone here and there up and down, distance between power and the trailing wheel constantly changes, pine when tight in the time of will certainly causing driving chain, living load is inhomogeneous, exists drive disk assembly quick abrasion, fragile, the inefficient defective of motor.Also have another kind of Electrical Bicycle to adopt wheel hub motor to be installed on the hind axle, exist, hill climbing ability is poor, the cost height, repair difficulty, shortcoming that expense is big.Existing Electrical Bicycle also exists following point except above-mentioned defective, and the one, driving device all adopts one to fly head, uses when riding, and motor also can be followed rotation, foot-operated wasting time and energy, after motor damaged, car just can not be ridden; The 2nd, tire must be inflated; The 3rd, vehicle body is heavy and high, dangerous.

Three, summary of the invention is for the disadvantage that overcomes existing Electrical Bicycle drive disk assembly quick abrasion, the fragile efficient of motor is low, foot-operated with electronic mutual interference mutually, tire must inflations, vehicle body is heavy, the utility model provides a kind of Electrical Bicycle, this car power and track rear are constant from remaining, adopt the round trip flight header structure, be independent of each other when motor and foot-operated work, adopt the TPAC composite material, wheel is integrated, exempt from inflation.The technical scheme that its technical matters that solves the utility model adopts comprises handle, front forked frame, seat cushion, vehicle frame, front-wheel, trailing wheel, foot rest, controller, storage battery, handle is connected with front forked frame, seat cushion, foot rest, controller and storage battery are arranged on the vehicle frame, before, rear brake device with before, trailing wheel cooperates, vehicle frame is by mobile jib, the seat cushion bar, rear wheel support and rear shock absorber are formed, mobile jib is connected with front forked frame, seat cushion bar and mobile jib are fixed, seat cushion is arranged on the seat cushion bar, rear wheel support and mobile jib are movably hinged, rear shock absorber one end is connected with the seat cushion bar, the other end is connected on the rear wheel support, trailing wheel is fixed on the rear wheel support, and rear wheel support is provided with the dynamic fixation seat, is provided with power drive on dynamic fixation seat and hind axle.Power drive comprises foot pedal apparatus and electric device, described foot pedal apparatus by be installed in foot-operated, large fluted disc on the dynamic fixation seat, be arranged on the hind axle fly head and chain is formed; Described electric device by motor, the retarder that cooperates with motor, be fixed on the reducer output shaft fly head, the fluted disc and the electric chain that are fixed on the hind axle are formed.The wheel rim of front and rear wheel adopts the one-shot forming of TPAC composite material, and for the sponge elastic body, form for the rubber wear-resisting bluk recombination outward, tire directly is compounded on the wheel rim tire by interior.Front forked frame is provided with front shock absorber.After adopting said structure, in the time of by bike, no matter trailing wheel vertical tremor size, along with the trailing wheel vibrations, the distance of motor and foot-operated and trailing wheel remains constant motor, under damping effect unmodified prerequisite with foot-operated, living load is even, and the drive disk assembly wearing and tearing are little, electrical machinery life is long, efficient is high; Motor adopts the gear reduction motor to replace wheel hub motor, and motor cost reduces 4-5 doubly, and torque improves 30%, and matching used controller also can lower the requirement, the motor transposing, repair convenient, cost is low, it is strong to climb wave energy power; Round trip flight header structure, two chain gears are adopted in transmission, make foot-operated the influence electronicly, electronic not influence foot-operatedly, are used alternatingly convenient, flexible; Tire adopts rubber sponge entity to replace inflating tire, and tire life is grown, exempted to inflate, need not repair; Employing TPAC composite material makes wheels, outer casing, and vehicle body is light, smooth surface, and this car weight amount has only 20Kg; Have characteristics such as compact conformation is reasonable, grade climbing performance good, transposing is repaired conveniently, vehicle body is light and low, safety is firm, efficient is high, the life-span is long, and shell can be made animal brands such as Xiao Jin phoenix, yellow weasel, rich and honour crow, and is elegant in appearance.

Four, description of drawings

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

Fig. 2 is the structural representation of the utility model vehicle frame.

Fig. 3 is the structural representation of the utility model power drive.

Fig. 4 is the structural representation of the utility model wheel.

Five, the specific embodiment

Fig. 1, Fig. 2 Fig. 3 and shown in Figure 4, the specific embodiments of the utility model portable electric bicycle, it comprises handle 1, front forked frame 3, seat cushion 14, vehicle frame, front-wheel 8, trailing wheel 18, foot rest 10, controller 9, storage battery 15, handle 1 is connected with front forked frame 3, front forked frame 3 is provided with front shock absorber 4, front-wheel 8 is contained on the front shock absorber 4, seat cushion 14, foot rest 10, controller 9 and storage battery 15 are arranged on the vehicle frame, before, rear brake device 6,19 with before, trailing wheel 8,18 cooperate, vehicle frame is by mobile jib 2, seat cushion bar 11, rear wheel support 23 and rear shock absorber 16 are formed, mobile jib 2 is connected with front forked frame 3, seat cushion bar 11 is fixing with mobile jib 2, seat cushion 14 is arranged on the seat cushion bar 11, rear wheel support 23 is movably hinged by pivot pin 24 and mobile jib 2, and rear shock absorber 16 1 ends are connected with seat cushion bar 11, and the other end is connected on the rear wheel support 23, trailing wheel 18 is fixed on the rear wheel support 23, and trailing wheel 18 is gone here and there moving up and down with rear wheel support 23; Rear wheel support 23 is provided with dynamic fixation seat 22, is provided with power drive on dynamic fixation seat 22 and hind axle 32.

Power drive comprises foot pedal apparatus and electric device, foot pedal apparatus by be installed in foot-operated 13, large fluted disc 12 on the dynamic fixation seat 22, be arranged on the hind axle 32 fly 27 and chain 33 form; Electric device is made up of motor 21, the retarder 24 that cooperates with motor 21, the fluted disc 25 and the electric chain 34 that fly 26, be fixed on the hind axle 32 that are fixed on retarder 24 output shafts.

For expendable weight, avoid inflation of tire, the wheel rim 31 of front and rear wheel 8,18 adopts the one-shot forming of TPAC composite material, tire 7 by interior for sponge elastic body 30, be composited for rubber wear-resisting body 29 outward, tire 7 directly is compounded on the wheel rim 31, wheel shaft is arranged on the wheel rim 31 by bearing 28, a fluted disc 25 and fly 27 and be arranged on the hind axle 32.In order to prevent that muddy water and dust from splashing, be fixed with front fender apron 5 at front forked frame (3), on rear wheel support 23, be provided with rear mudguard 20.In order to make car load elegant in appearance, both sides are fixed with outer casing 17 on vehicle frame.

Claims (6)

1, a kind of portable electric bicycle, comprise handle (1), front forked frame (3), seat cushion (14), vehicle frame, front-wheel (8), trailing wheel (18), foot rest (10), controller (9), storage battery (15), handle (1) is connected with front forked frame (3), seat cushion (14), foot rest (10), controller (9) and storage battery (15) are arranged on the vehicle frame, before, rear brake device (6,19) with before, trailing wheel (8,18) cooperate, it is characterized in that: described vehicle frame is by mobile jib (2), seat cushion bar (11), rear wheel support (23) and rear shock absorber (16) are formed, mobile jib (2) is connected with front forked frame (3), seat cushion bar (11) is fixing with mobile jib (2), seat cushion (14) is arranged on the seat cushion bar (11), rear wheel support (23) is movably hinged with mobile jib (2), rear shock absorber (16) one ends are connected with seat cushion bar (11), the other end is connected on the rear wheel support (23), trailing wheel (18) is fixed on the rear wheel support (23), rear wheel support (23) is provided with dynamic fixation seat (22), is provided with power drive on dynamic fixation seat (22) and hind axle (32).

2, portable electric bicycle according to claim 1, it is characterized in that: described power drive comprises foot pedal apparatus and electric device, described foot pedal apparatus by be installed in foot-operated (13), large fluted disc (12) on the dynamic fixation seat (22), be arranged on the hind axle (32) fly head (27) and chain (33) is formed; Described electric device by motor (21), the retarder (24) that cooperates with motor (21), be fixed on retarder (24) output shaft fly head (26), the fluted disc (25) and the electric chain (34) that are fixed on the hind axle (32) are formed.

3, portable electric bicycle according to claim 1 and 2, it is characterized in that: the wheel rim (31) of described front and rear wheel (8,18) adopts the one-shot forming of TPAC composite material, tire (7) by interior for sponge elastic body (30), be composited for rubber wear-resisting body (29) outward, tire (7) directly is compounded on the wheel rim (31).

4, portable electric bicycle according to claim 3 is characterized in that: described front forked frame (3) is provided with front shock absorber (4).

5, portable electric bicycle according to claim 4 is characterized in that: described front forked frame (3) is fixed with front fender apron (5), and rear wheel support (23) is provided with rear mudguard (20).

6, portable electric bicycle according to claim 5 is characterized in that: be fixed with outer casing (17) on the described vehicle frame.

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