CN87203736U - Moton-driven bicycle - Google Patents

Abstract

The utility model discloses a motor-driven bicycle which can be driven by the feet pedals, the motor and the combination of the feet pedals and the motor. The motor-driven bicycle is provided with a cushioning device at the position of a front fork, the lower side of a saddle is provided with a battery box which can replace a bicycle frame, and the whole bicycle is provided with two chains which are driven respectively by the feet pedals and the motor; a handle is arranged at the barycenter position of the bicycle, a colloid accumulator cell which has little maintenance or has no maintenance and has good sealing performance can be used, and front and rear lights used are provided with turning direction lights. Compared with the prior art, the motor-driven bicycle has the advantages of comfortable ride and sitting, simple structure, convenient operation and safe performance.

Description

Moton-driven bicycle

The utility model relates to a kind of Electrical Bicycle, can drive with pedal, can use direct motor drive again, can also unite driving with pedal and electrical motor.

The Forever brand DX-130 type power booster bicycle (abbreviation Electrical Bicycle) that Shanghai No.2 Bicycle Works puts on market recently, it is made of tap, saddle, battery, battery box, vehicle frame, seat tube, front fork, chain, clothes hanger, pedal, lamp yoke, headlight, tail lamp bracket, taillight and electrical motor, but its battery box is placed in the position of vehicle frame below near pedal, both influenced attractive in appearance, pollute easily again, demolition and maintenance are also inconvenient.The lead-acid battery that this car uses.Electrolyte is an acidic liquid, and spillover is arranged unavoidably, causes corrosion and pollution.This car front fork does not partly have shock absorber, and when riding Uneven road, vehicle frame and front fork connect the position and be subject to impact and rupture, and car load shakes big, and it is uncomfortable to ride.This car only uses a secondary chain, unite driving by the driving of the control of the self-acting clutch in mechanical reducer pedal, direct motor drive or pedal and electrical motor, and mechanical reducer and self-acting clutch complex structure, manufacturing cost is higher, easy break-down, maintenance also bothers.This headlight and taillight are not with rear blinker, easily go out safety misadventure during turning.Electronic stepless speed regulation is adopted in this car speed governing, the alignment circuit complexity, and the maintenance difficulty, cost is also higher.

Task of the present utility model is to provide a kind of Electrical Bicycle that overcomes above-mentioned Electrical Bicycle shortcoming.

For realizing this task, the technical scheme that the utility model is taked is:

Top or bottom at front fork are provided with shock absorber, and its buffer element is spring, rubber or plastic cement elastomeric material, connecting for being slidingly connected between front fork and the shock absorber.

This shock absorber can design or be made up of parts such as dust boot, shell, spring, Spring Card, spring perch, fixing screw and sliding sleeves, the upper end of spring is located by Spring Card, spring lower end and spring perch are thread connection, welding or bonding, spring perch and fixing screw are with thread connection, connect for interference fit or pin between fixing screw and the shell, the cylindrical of sliding sleeve and front fork is an interference fit, and dust boot is installed in the shell upper end of shock absorber.

The battery box that replaces seat tube is set between saddle and vehicle frame, is used to place battery, between saddle and the battery box with hinge-coupled, patch and connect or thread connection.Open saddle, can put into or take out battery.

Two secondary chains can be installed on the car, wherein a secondary chain is driven by the pedal flywheel by pedal, another secondary chain is driven by the electrical motor flywheel by electrical motor, two secondary chains can work alone separately, also can associated working, promptly this Electrical Bicycle can drive with pedal as ordinary bicycle, also can use direct motor drive separately, can also unite driving with pedal and electrical motor, unite to drive when particularly suitable goes up a slope and use.

Center of gravity position at Electrical Bicycle is provided with handle, and welding manner or threaded connection mode can be passed through in the two ends of handle, it is connected in vehicle frame (3) is gone up or an end is connected on the vehicle frame, the other end is connected on the battery box.Handle can be made with metal, plastics, synthetic leather or leather, and its material can be with solid material or tubing.

This utility model has adopted the lead-acid battery of good seal performance or good seal performance, few colloid storage battery or alkaline secondary cell of safeguarding or not safeguarding.When using two or more battery, can provide different voltage to electrical motor by being installed in the change-over swith in parallel or series connection on the tap with battery, make electrical motor possess two or more rotating speeds.

In order to make the Electrical Bicycle can display direction when turning, on the lamp yoke of Electrical Bicycle and tail lamp bracket, combined front lamp unit and the combined tail lamp unit that has the turn direction lamp be installed respectively.

Accompanying drawing has been described most preferred embodiment of the present utility model.

Fig. 1 is the front view of present embodiment.

Fig. 2 looks part sectional view for the master of present embodiment.

Fig. 3 is the backsight part sectional view of present embodiment.

Fig. 4 is a present embodiment shock absorber structural representation.

Fig. 5 is present embodiment saddle, battery box, handgrips scheme drawing.

Fig. 1 is the present embodiment total arrangement, and it has reflected the mutual alignment of parts such as tap 28, saddle 1, battery box 2, vehicle frame 3, handle 5, electrical motor chain 11, front fork 9, shock absorber 10, foot-operated chain 6, clothes hanger 12, tail lamp bracket 13, taillight 4, lamp yoke 14, headlight 7, pedal 20.

Fig. 2, Fig. 3, Fig. 4, Fig. 5 have reflected the detailed structure of present embodiment:

This embodiment has installed shock absorber 10 in the bottom of front fork 9, the shell 18 that it is made by steel pipe, dust boot 35, spring 17, Spring Card 16, spring perch 19, fixing screw 27, sliding sleeve 26 constitutes, the upper end of spring 17 is installed in the Spring Card 16 that front fork 9 carries, the lower end of spring 17 is welded on the spring perch 19, spring perch 19 and fixing screw 27 are with thread connection, fixing screw 27 is an interference fit with shell 18, fixing screw 27 is fastened on the shell 18, sliding sleeve 26 is an interference fit with the cylindrical of front fork 9, sliding sleeve 26 is fastened on the cylindrical of front fork, front fork 9 can be slided in shell 18 by sliding sleeve 26.

This embodiment has also installed the battery box of being made by steel plate 2 that replaces seat tube between saddle 1 and vehicle frame 3, saddle 1 connects with battery box 2 usefulness hinges 15, opens saddle 1, battery box 2 can be put into or taken out to battery 24.

This embodiment has also installed two secondary chains (6,11), lays respectively at the both sides of vehicle frame 3, and wherein chain 6 is driven by pedal flywheel 32 by pedal 20, and chain 11 is driven by electrical motor flywheel 33 by electrical motor 23.

This embodiment is provided with handle 5 at its center of gravity position, and an end of handle 5 is welded on the vehicle frame 3, and the other end is welded on the battery box 2.

This embodiment has used few maintenance of two good seal performance or the colloid storage battery of not safeguarding 24.These two storage batterys 24 are supplied with different voltages by after being installed in the change-over swith serial or parallel connection on the tap 28 to electrical motor 23, make present embodiment when use is battery-operated, can possess at a high speed and two speed of low speed.

This embodiment also it lamp yoke 14 and tail lamp bracket 13 on combined front lamp unit and the combined tail lamp unit that has the turn direction lamp has been installed respectively.

Compared with prior art, the utlity model has following characteristics:

One, ride sit comfortable. Because of this electric bicycle with buffer, not only reduced the suffered impulsive force of vehicle frame, prolonged the life-span of car load parts, but also greatly reduced mechanical oscillation, make ride sit comfortable.

Two, simple and reasonable for structure, operation and maintenance is convenient.

The battery case that this electric bicycle being provided with is integrated seat tube, battery case had both saved seat tube; Make again complete vehicle structure compactness, attractive in appearance; Also make the car load position of centre of gravity moderate, be convenient at the center of gravity position handle is installed, make car load be convenient to guide and support carrying.

This electric bicycle speed-regulating does not adopt reducing gear, clutch and electronic stepless speed regulation system, thereby has greatly simplified mechanical transmission and control panel, is convenient to install, maintains and maintenance.

This electric bicycle also is provided with two secondary chains, and a pair drives with pedal, and a pair is used Motor Drive, when not electricity consumption or electricity use up, can ride as ordinary bicycle; And when going up a slope, pedal can be driven and Motor Drive be united use, the saving electric energy.

Three, safe and reliable. This car can use few maintenance or colloid storage battery or the alkaline battery of the good seal performance do not safeguarded, thereby can avoid general sealing property relatively poor and need the excessive corrosion that causes of lead-acid battery acid solution often safeguarded, saves service time.

This car has also used with the combined front lamp unit of turn direction lamp and combined tail lamp unit. Can in time show turn direction, reduce car accident.

Claims (3)

1, a kind of Electrical Bicycle that is made of saddle (1), battery, battery box (2), vehicle frame (3), front fork (19), tap (28), chain, pedal (20), pedal flywheel (32), clothes hanger (12), lamp yoke (14), headlight, tail lamp bracket (13), taillight, electrical motor (23) and electrical motor flywheel (33) is characterized in that:

Has installed with the shock absorber (10) of spring (17) as buffer element the top of a, this Electrical Bicycle front fork (9) or bottom, and shock absorber (10) is by dust boot (35), shell (18), spring (17), Spring Card (16).Spring perch (19), fixing screw (27) and sliding sleeve (26) are formed, spring (17) upper end is located by Spring Card (16), spring (17) lower end and spring perch (19) are thread connection, welding or bonding, spring perch (19) and fixing screw (27) are with thread connection, connect for interference fit or pin between fixing screw (27) and the shell (18), sliding sleeve (26) is an interference fit with the cylindrical of front fork, and dust boot (35) is installed in the upper end of shock absorber shell (18).

The saddle of b, this Electrical Bicycle (1) is installed on the battery box (2) that replaces seat tube, and battery box (2) is installed between saddle (1) and the vehicle frame (3).

2, by the described Electrical Bicycle of claim 1, it is characterized in that can connecting with hinge (15) between saddle (1) and the battery box (2), also can take to patch connection or thread connection.

3, by claim 1 or 2 described Electrical Bicycles, it is characterized in that handle (5) being installed at the center of gravity position of car, the two ends of handle (5) can weld or by thread connection on vehicle frame (3), also can be connected on the vehicle frame (3) by an end, the other end is connected on the battery box (2).

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