CN214189978U

CN214189978U - Power transmission structure of electric bicycle

Info

Publication number: CN214189978U
Application number: CN202022421529.4U
Authority: CN
Inventors: 邹俊平; 胡云笙
Original assignee: Tianjin Fushida Technology Co ltd
Current assignee: Tianjin Fushida Sporting Goods Co ltd
Priority date: 2020-10-27
Filing date: 2020-10-27
Publication date: 2021-09-14
Anticipated expiration: 2030-10-27

Abstract

The utility model discloses a power transmission structure of an electric bicycle, which comprises a beam, wherein the beam is provided with the power transmission structure; wherein, power transmission structure contains: mount, axis of rotation, drive fluted disc, crank, supporting legs, back wheel hub, cover tire, dish, driven fluted disc and clamp, the utility model relates to an electric bicycle technical field, the beneficial effect of present case is: the problem of among the current electric bicycle, use the fork frame structure of symmetry mostly, exist the design structure old like this, it is not high to have efficiency simultaneously in the aspect of power transportation, the outward appearance is not good enough, portable scheduling after folding is solved.

Description

Power transmission structure of electric bicycle

Technical Field

The utility model relates to an electric bicycle technical field specifically is an electric bicycle's power transmission structure.

Background

The electric bicycle is a mechatronic personal transportation tool which takes a storage battery as an auxiliary energy source and is provided with a motor, a controller, the storage battery, a rotating handle and other operating components and a display instrument system on the basis of a common bicycle; in the last 80 years of China, people developed electric bicycles and continuously improved the structure thereof; electric bicycles can not be popularized in a large quantity until the beginning of the century, and the electric bicycles can enter countless families; the electric bicycle is an energy-saving and environment-friendly travel tool; however, most of the existing electric bicycles use symmetrical fork frame structures, so that the design structure is old, and meanwhile, the problems that the efficiency is not high in the aspect of power transportation, the appearance is not good enough, the bicycle is not portable after being folded and the like exist.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides an electric bicycle's power transmission structure has solved current electric bicycle, uses the crotch structure of symmetry mostly, and it is old to have the project organization like this, and it is not high to have efficiency simultaneously in the aspect of power transportation, and the outward appearance is not good enough, folding portable scheduling problem not.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a power transmission structure of an electric bicycle comprises a cross beam, wherein the cross beam is provided with the power transmission structure;

wherein, power transmission structure contains: the device comprises a fixed frame, a rotating shaft, a driving fluted disc, a crank, supporting legs, a rear wheel hub, an outer tire, a disc, a driven fluted disc and a clamp;

the fixing frame is installed in crossbeam bottom, the axis of rotation install in inside the fixing frame to both ends are stretched out, the drive fluted disc is fixed in axis of rotation one end, the crank top install in drive fluted disc central part, the supporting legs bottom with the crossbeam is connected, back wheel hub pass through the axis with the supporting legs bottom with the crossbeam junction is connected, the cover tire suit in on the back wheel hub, the dish install in back wheel hub front end, driven fluted disc install in the dish front end, the clamp install in the supporting legs bottom.

Preferably, the middle part of the supporting leg is in a shape of bending rightwards, and a mudguard is installed at the bending part.

Preferably, the disk and the driven fluted disc are located between the rear wheel hub and the connecting part of the bottom of the supporting foot and the cross beam.

Preferably, the driving fluted disc is connected with the driven fluted disc through a chain.

Preferably, the cross member has a portion bent to the right.

Preferably, the bottom of the supporting leg is provided with a threaded hole, and the clamp is fixed on the threaded hole through a screw.

Advantageous effects

The utility model provides an electric bicycle's power transmission structure possesses following beneficial effect: this case uses power transmission structure, and drive fluted disc and driven fluted disc pass through the chain and connect, and then drive wheel structure and move, and present case simple structure is portable after folding, and the outward appearance is novel simultaneously, has solved current electric bicycle, mostly uses the crotch structure of symmetry, has the design structure old like this, and it is not high to have efficiency in the aspect of power transportation simultaneously, and the outward appearance is not good enough, folding portable scheduling problem not.

Drawings

Fig. 1 is the utility model discloses an electric bicycle's power transmission structure's overall structure sketch map.

Fig. 2 is a schematic view of a power transmission structure of an electric bicycle according to the present invention.

Fig. 3 is a schematic view of a power transmission structure of an electric bicycle according to the present invention.

In the figure: 1-a cross beam; 2-a fixing frame; 3-a rotating shaft; 4-driving the fluted disc; 5-a crank; 6-supporting feet; 7-rear hub; 8-cover tyre; 9-a dish; 10-a driven fluted disc; 11-a clamp; 12-mudguard.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a power transmission structure of an electric bicycle.

The components of the scheme mainly comprise: the power transmission device comprises a cross beam 1, wherein a power transmission structure is arranged on the cross beam 1;

in the specific implementation process, the power transmission structure comprises: the device comprises a fixed frame 2, a rotating shaft 3, a driving fluted disc 4, a crank 5, supporting legs 6, a rear hub 7, an outer tire 8, a disc 9, a driven fluted disc 10 and a clamp 11;

the fixing frame 2 is mounted at the bottom of the cross beam 1, the rotating shaft 3 is mounted in the fixing frame 2, and two ends of the rotating shaft extend out, the driving fluted disc 4 is fixed at one end of the rotating shaft 3, the top of the crank 5 is mounted at the central part of the driving fluted disc 4, the bottom of the supporting leg 6 is connected with the cross beam 1, the rear hub 7 is connected with the joint of the bottom of the supporting leg 6 and the cross beam 1 through a central shaft, the outer tire 8 is sleeved on the rear hub 7, the disc 9 is mounted at the front end of the rear hub 7, the driven fluted disc 10 is mounted at the front end of the disc 9, and the clamp 11 is mounted at the bottom of the supporting leg 6;

it should be noted that, drive fluted disc 4 and driven fluted disc 10 passes through the chain and connects, along axis of rotation 3 rotates crank 5 drives drive fluted disc 4 rotates, drives driven fluted disc 10 rotates, and then drives rear wheel hub 7 rotates, finally realizes power transmission, dish 9 and driven fluted disc 10 are located rear wheel hub 7 front end is in simultaneously rear wheel hub 7 and crossbeam 1 with between the supporting legs 6 junction, be equipped with the recess in the middle of the clamp 11, dish 9 part is located in the recess.

In a specific implementation process, the middle part of the supporting leg 6 is further provided with a rightward bending shape, and a mudguard 12 is installed at the bending part.

In the specific implementation process, further, the disc 9 and the driven toothed disc 10 are located between the rear hub 7 and the connection between the bottom of the supporting leg 6 and the cross beam 1.

In a specific implementation process, further, the driving fluted disc 4 is connected with the driven fluted disc 10 through a chain.

In a specific implementation process, furthermore, a part of the beam 1 is set to be in a rightward bent shape.

In the specific implementation process, furthermore, the bottom of the supporting leg 6 is provided with a threaded hole, and the clamp 11 is fixed on the threaded hole through a screw.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The use of the phrase "comprising one of the elements does not exclude the presence of other like elements in the process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The power transmission structure of the electric bicycle comprises a cross beam (1), and is characterized in that the cross beam (1) is provided with the power transmission structure;

wherein, power transmission structure contains: the device comprises a fixed frame (2), a rotating shaft (3), a driving fluted disc (4), a crank (5), supporting legs (6), a rear wheel hub (7), an outer tire (8), a disc (9), a driven fluted disc (10) and a clamp (11);

mount (2) install in crossbeam (1) bottom, axis of rotation (3) install in inside mount (2) to both ends are stretched out, drive fluted disc (4) are fixed in axis of rotation (3) one end, crank (5) top install in drive fluted disc (4) central part, supporting legs (6) bottom with crossbeam (1) are connected, back wheel hub (7) through the axis with supporting legs (6) bottom with crossbeam (1) junction is connected, cover tire (8) suit in on back wheel hub (7), dish (9) install in back wheel hub (7) front end, driven fluted disc (10) install in dish (9) front end, clamp (11) install in supporting legs (6) bottom.

2. The power transmission structure of an electric bicycle according to claim 1, wherein the supporting leg (6) is provided with a rightward bent shape at a middle portion thereof, and a fender (12) is mounted at the bent portion.

3. The power transmission structure of an electric bicycle according to claim 1, wherein the disks (9) and the driven disks (10) are located between the rear hub (7) and the connection between the bottom of the support legs (6) and the cross beam (1).

4. The power transmission structure of an electric bicycle according to claim 1, wherein the driving cog (4) and the driven cog (10) are connected by a chain.

5. The power transmission structure of an electric bicycle according to claim 1, wherein a portion of the cross member (1) is formed in a rightward curved shape.

6. The power transmission structure of an electric bicycle according to claim 1, wherein a threaded hole is formed at the bottom of the supporting foot (6), and the clamp (11) is fixed to the threaded hole through a screw.