CN216374875U

CN216374875U - Electric bicycle convenient to ride

Info

Publication number: CN216374875U
Application number: CN202123129704.3U
Authority: CN
Inventors: 郭画
Original assignee: Yangzhou Wanneng Technology Development Co ltd
Current assignee: Yangzhou Wanneng Technology Development Co ltd
Priority date: 2021-12-14
Filing date: 2021-12-14
Publication date: 2022-04-26
Anticipated expiration: 2031-12-14

Abstract

The utility model discloses an electric bicycle convenient to ride in the field of vehicles, wherein a frame of the electric bicycle comprises a bicycle head support member, a front bar and a slash, the front end of the front bar is hinged with the bicycle head support member, a saddle is fixed on the upper side of the rear end of the front bar, the lower side of the rear end of the front bar is provided with an elastic telescopic rod, the upper end of the elastic telescopic rod is connected with the lower side of the rear end of the front bar, the lower end of the elastic telescopic rod is hinged with the slash, the elastic telescopic rod is sleeved with a damping spring, the front end of the slash is connected with the bicycle head support member into a whole, the rear end of the slash is provided with a rear fork, a rear wheel with a motor is arranged on the rear fork, the middle part of the lower side of the slash is movably connected with a crank, a driving sprocket is fixedly connected with the crank, a flywheel is also arranged on a rear wheel shaft, and a chain is wound between the flywheel and the driving sprocket; the handlebar is movably connected to the handlebar head supporting piece through a steering shaft, the lower end of the steering shaft is connected with a front fork, a front wheel is installed on the front fork, and the front part of the oblique lever is provided with a battery box. The bicycle is high in structural strength and good in riding comfort, and can be used for short-distance convenient traffic.

Description

Electric bicycle convenient to ride

Technical Field

The utility model relates to a vehicle, in particular to an electric bicycle.

Background

The electric bicycle in the prior art mainly has two types, one type is that the bicycle is large in size, the battery is also large, the battery is arranged below the saddle or at a proper position on the upper part of the rear wheel, the battery of the electric bicycle is usually a lead-acid storage battery, the bicycle body is heavy, and a driving mechanism for manually riding is not usually arranged. In another aspect, a lithium battery with a smaller volume is used as a driving power supply, and such a bicycle has a relatively smaller volume and is developed in a portable and folding direction, for example, a saddle handle type fast folding electric bicycle disclosed in a chinese patent database has the following disclosure: CN102774459A, published: 20121114, respectively; the main beam of the vehicle body of the vehicle is that two oblate tubes are arranged in parallel left and right, the front part punching part, the middle part punching part and the rear part punching part are respectively welded at the front, middle and rear parts of the two oblate tubes, a rear fork is welded on the rear part punching part, a five-way tube is welded on the middle part punching part, a front frame is composed of a front head tube, the bicycle seat linkage folding mechanism is formed by connecting a front beam tube and folding blades, the bottom of a seat tube is connected with two oblate tubes, a connecting rod is connected with the seat tube and the folding blades, the folding blades are connected with a front punching part, the seat tube is also connected with a lock hook, the lock hook is mutually locked with a semicircular lock shaft, the semicircular lock shaft is connected with the two oblate tubes, a folding positioning handle is connected with the front part of a left oblate tube, a front fork is connected with a front head tube, a folding handle vertical tube is connected with a handlebar and a front fork, a front wheel is installed on the front fork, a five-way tube is connected with a middle shaft, a rear fork is connected with a rear wheel, a crank and a chain wheel are connected with the middle shaft, a motor is arranged on the rear wheel, and a vehicle battery and a controller are placed in a rectangular tube hole of the front tube. The bicycle can be folded to be stored in a space with smaller volume, and has the following disadvantages: because the folding is needed, the supporting structure is less, and the supporting strength is insufficient; the riding comfort is not enough due to poor shock absorption; in addition, the parts are not compact enough, the production and the manufacture are not convenient enough, and the cost is higher.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an electric bicycle convenient to ride, which has the advantages of high structural strength, dual purposes of electric riding and manual riding, good manual riding comfort, convenience in manufacturing and reliability in use.

The purpose of the utility model is realized as follows: an electric bicycle convenient to ride comprises a front wheel, a rear wheel, a frame, a handlebar and a saddle, wherein the frame comprises a bicycle head support, a front bar and a slash, the front end of the front bar is hinged with the bicycle head support, the saddle is fixed on the upper side of the rear end of the front bar, an elastic telescopic rod is arranged on the lower side of the rear end of the front bar, the upper end of the elastic telescopic rod is connected with the lower side of the rear end of the front bar, the lower end of the elastic telescopic rod is hinged with the slash, a damping spring is sleeved on the elastic telescopic rod, the front end of the slash is connected with the bicycle head support into a whole, a rear fork is arranged at the rear end of the slash, the rear wheel with a motor is mounted on the rear fork through a rear wheel shaft, a crank with a pedal is movably connected to the middle part of the lower side of the slash, a driving sprocket is fixedly connected with the crank, a flywheel is further arranged on the rear wheel shaft, and a chain is wound between the flywheel and the driving sprocket; the handlebar downside is through steering spindle swing joint on the headstock support piece, the steering spindle lower extreme is connected with the front fork, and the front wheel is installed on the front fork through the front wheel axle, the slash front portion is equipped with the battery case, installs battery and the controller that is used for driving motor work in the battery case.

When the electric bicycle works, two using modes can be provided, one of the two using modes is used as the electric bicycle, the battery supplies power to the motor to drive the rear wheel to rotate, and the electric riding function is realized; the second is used as a manual bicycle, the pedal drives the driving chain wheel to rotate, the flywheel is driven to rotate, the flywheel drives the rear wheel to rotate, and the manual riding function is realized. Compared with the prior art, the utility model has the beneficial effects that: a triangle is formed among a front bar, a slash and an elastic telescopic rod of the device, the elastic telescopic rod has good stability under the tension action of a damping spring, the elastic telescopic rod has certain elasticity and can deform to a certain extent, a certain moving gap can be reserved at a corresponding hinge point, and the triangle can also deform to a certain extent when being impacted, so that the damping spring can play a good damping role; because the device's spare part is few, processing simple to operate, in addition, install the battery in the battery case in the slash, the battery can be made than longer to can reduce the width of slash as far as possible, the articulate axle can be than short, is convenient for exert oneself when the manpower is ridden, makes the comfort level that the manpower was ridden good. The device can be used for short-distance convenient traffic.

In order to facilitate the installation and replacement of the battery box controller, a battery box cover is arranged at the upper part of the battery box.

Furthermore, the rear fork and the oblique rod are integrally formed, a chain hole is formed in the connecting position of the rear fork and the oblique rod, and the upper section of the chain penetrates through the chain hole and is wound on the flywheel. This scheme can make bicycle compact structure, simplifies spare part quantity, and processing is convenient.

Furthermore, a front mudguard is arranged on the upper side of the front wheel, and a rear mudguard is arranged on the upper side of the rear wheel. The front fender can be connected to the upper portion of the front fork, and the rear fender can be connected to the upper portion of the rear fork.

As a further improvement of the utility model, the cross section of the oblique lever is rectangular. The rectangular structure is more convenient for putting the battery and the controller in the battery box.

In order to improve the trafficability characteristic, the outer diameter of the front wheel is larger than that of the rear wheel.

Drawings

FIG. 1 is a schematic view of the present invention.

Fig. 2 is a schematic diagram of the present invention showing the flywheel and chain in the rear wheel position.

In the figure, 1 oblique bar, 2 driving chain wheel, 3 crank, 4 chain, 5 chain holes, 6 rear wheel, 7 flywheel, 8 rear wheel shaft, 9 motor, 10 rear mudguard, 11 damping spring, 12 elastic telescopic rod, 13 saddle, 14 battery box cover, 15 front bar, 16 handlebar, 17 battery box, 18 front support, 19 front mudguard, 20 front wheel, 21 front fork, 22 front wheel shaft, 23 rear fork and 24 steering shaft.

Detailed Description

As shown in fig. 1-2, an electric bicycle convenient for riding comprises a front wheel 20, a rear wheel 6, a frame, a handlebar 16 and a saddle 13, wherein the frame comprises a bow support member 18, a front bar 15 and a slash 1, the front end of the front bar 15 is hinged with the bow support member 18, the saddle 13 is fixed on the upper side of the rear end of the front bar 15, an elastic telescopic rod 12 is arranged on the lower side of the rear end of the front bar 15, the upper end of the elastic telescopic rod 12 is connected with the lower side of the rear end of the front bar 15, and the connecting position can be connected in a kidney-shaped hole and pin shaft manner, so that the pin shaft can have a certain moving space in the kidney-shaped hole; the front bar 15 may be provided with a groove, and the upper end of the elastic telescopic rod 12 is movably mounted in the groove, so that the triangle formed by the elastic telescopic rod 12, the front bar 15 and the oblique bar 1 has the stability of the triangle, and the corresponding connection point has a certain deformation moving space when the impact is applied. The lower end of an elastic telescopic rod 12 is hinged with a slash 1, a damping spring 11 is sleeved on the elastic telescopic rod 12, when the elastic telescopic rod 12 is impacted, the damping spring 11 deforms and plays a role in buffering, a front lever 15 has a certain range of movement, the front end of the slash 1 is connected with a headstock supporting piece 18 into a whole, the rear end of the slash 1 is provided with a rear fork 23, a rear wheel 6 with a motor 9 is arranged on the rear fork 23 through a rear wheel shaft 8, the middle part of the lower side of the slash 1 is movably connected with a crank 3 with a pedal, a driving sprocket 2 is fixedly connected with the crank 3, the rear wheel shaft 8 is also provided with a flywheel 7, the flywheel 7 is a gear capable of rotating in one direction, and a chain 4 is wound between the flywheel 7 and the driving sprocket 2; the lower side of a handlebar 16 is movably connected to a head support 18 through a steering shaft 24, the lower end of the steering shaft 24 is connected with a front fork 21, a front wheel 20 is mounted on the front fork 21 through a front wheel shaft 22, a battery box 17 is arranged at the front part of the oblique bar 1, a battery and a controller for driving a motor 9 to work are mounted in the battery box 17, and a battery box cover 14 is arranged at the upper part of the battery box 17.

The rear fork 23 and the oblique rod 1 are integrally formed, a chain hole 5 is formed at the connecting position of the rear fork 23 and the oblique rod 1, and the upper section of the chain 4 penetrates through the chain hole 5 and is wound on the flywheel 7.

A front fender 19 is provided on the upper side of the front wheel 20, and a rear fender 10 is provided on the upper side of the rear wheel 6.

The front fender 19 is connected to the upper part of the front fork 21, and the rear fender 10 is connected to the upper part of the rear fork 23.

The cross section of the oblique lever 1 is rectangular. During manufacturing, four plates can be welded into the oblique rod 1, the side plates on two sides extend backwards to form a rear fork, the upper plate and the lower plate serve as reinforcing plates, the four plates integrally surround a synthetic rectangular cavity to serve as a battery box 17, and the chain holes 5 are only formed in the side plate on one side.

To improve the passability, the outer diameter of the front wheel 20 is larger than the outer diameter of the rear wheel 6.

When the electric bicycle is used, two using modes can be provided, one mode is used as the electric bicycle, the battery supplies power to the motor 9 to drive the rear wheel 6 to rotate, and the electric riding function is realized; the bicycle is used as a manual bicycle, the driving chain wheel 2 is driven to rotate through the pedal plate to drive the flywheel 7 to rotate, and the flywheel 7 drives the rear wheel 6 to rotate, so that the manual riding function is realized.

The present invention is not limited to the above-mentioned embodiments, and based on the technical solutions disclosed in the present invention, those skilled in the art can make some substitutions and modifications to some technical features without creative efforts according to the disclosed technical contents, and these substitutions and modifications are all within the protection scope of the present invention.

Claims

1. The utility model provides an electric bicycle who conveniently rides, includes front wheel, rear wheel, frame, handlebar and saddle, its characterized in that: the bicycle frame comprises a bicycle head support, a front bar and a cross bar, wherein the front end of the front bar is hinged with the bicycle head support, the bicycle seat is fixed on the upper side of the rear end of the front bar, an elastic telescopic rod is arranged on the lower side of the rear end of the front bar, the upper end of the elastic telescopic rod is connected with the lower side of the rear end of the front bar, the lower end of the elastic telescopic rod is hinged with the cross bar, a damping spring is sleeved on the elastic telescopic rod, the front end of the cross bar is connected with the bicycle head support into a whole, the rear end of the cross bar is provided with a rear fork, a rear wheel with a motor is arranged on the rear fork through a rear wheel shaft, the middle part of the lower side of the cross bar is movably connected with a crank with a pedal, a driving sprocket is fixedly connected with the crank, a flywheel is also arranged on the rear wheel shaft, and a chain is wound between the flywheel and the driving sprocket; the handlebar downside is through steering spindle swing joint on the headstock support piece, the steering spindle lower extreme is connected with the front fork, and the front wheel is installed on the front fork through the front wheel axle, the slash front portion is equipped with the battery case, installs battery and the controller that is used for driving motor work in the battery case.

2. The electric bicycle convenient to ride of claim 1, characterized in that: and a battery box cover is arranged at the upper part of the battery box.

3. The electric bicycle convenient to ride of claim 1, characterized in that: the rear fork and the oblique lever are integrally formed, a chain hole is formed in the connecting position of the rear fork and the oblique lever, and the upper section of the chain penetrates through the chain hole and is wound on the flywheel.

4. The electric bicycle convenient to ride of any one of claims 1 to 3, wherein: the upper side of the front wheel is provided with a front mudguard, and the upper side of the rear wheel is provided with a rear mudguard.

5. The electric bicycle convenient to ride of claim 4, wherein: the front mudguard is connected to the upper portion of the front fork, and the rear mudguard is connected to the upper portion of the rear fork.

6. The electric bicycle convenient to ride of any one of claims 1 to 3, wherein: the cross section of the slash is rectangular.

7. The electric bicycle convenient to ride of any one of claims 1 to 3, wherein: the outer diameter of the front wheel is larger than that of the rear wheel.