CN219989418U

CN219989418U - Power assisting device for bicycle

Info

Publication number: CN219989418U
Application number: CN202321560513.9U
Authority: CN
Inventors: 韩铁江
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-06-19
Filing date: 2023-06-19
Publication date: 2023-11-10
Anticipated expiration: 2033-06-19

Abstract

The utility model relates to a booster for a bicycle, which belongs to the technical field of booster bicycles and comprises a driving rack, wherein tires are arranged at the front side end and the rear side end of the driving rack, a driving seat is arranged at the upper end of the driving rack, and a steering handle is arranged at the front end of the driving seat. The driving rack comprises a chassis, a direction handle fixing support is arranged at the front end of the upper portion of the chassis, a speed changing sprocket is arranged in the middle of the chassis, a rear wheel differential mechanism is arranged at the rear end of the chassis, a power assisting motor is arranged between the speed changing sprocket and the rear wheel differential mechanism, a manpower driving sprocket is arranged in the direction handle fixing support, pedals are arranged on two sides of the manpower driving sprocket, and a transmission chain is arranged between the manpower driving sprocket and the speed changing sprocket, between the speed changing sprocket and the power assisting motor and between the power assisting motor and the rear wheel differential mechanism. Has the characteristics of compact structure, comfortable and labor-saving riding, good running stability and complete functions. The problem of the manpower in-process of riding carry out electric power assistance is solved. The riding fun is realized, and meanwhile, the condition of insufficient manpower and power is relieved.

Description

Power assisting device for bicycle

Technical Field

The utility model relates to the technical field of power-assisted bicycles, in particular to a power assisting device for a bicycle.

Background

Bicycles, also known as bicycles or scooters, are typically two-wheeled small land vehicles. After people get on the vehicle, the pedal is taken as power, so that the vehicle is environment-friendly. As an environment-friendly transportation means for riding instead of walk and going out; more and more people use bicycles as exercise equipment for riding exercises and for bicycle travel.

An electric bicycle is an electromechanical integrated personal vehicle which uses a storage battery as an auxiliary energy source and is provided with a motor, a controller, a storage battery, a handle bar, and other operating components and a display instrument system on the basis of a common bicycle. The manpower multi-person bicycle is combined with the electric power assisting function, so that various requirements are met.

Disclosure of Invention

The utility model mainly solves the defects in the prior art, and provides a booster for a bicycle, which has the characteristics of compact structure, good running stability and complete functions. The problem of the manpower in-process of riding carry out electric power assistance is solved. The riding fun is realized, and meanwhile, the condition of insufficient manpower and power is relieved.

The technical problems of the utility model are mainly solved by the following technical proposal:

a booster for bicycle, includes the drive frame, drive frame front and back both sides end all be equipped with the fixed tire of drive frame looks bearing hub formula bolted connection, drive frame upper end be equipped with the driver's seat, the driver's seat front end be equipped with the direction handle. The driving rack comprises a chassis, the front end of the upper portion of the chassis is provided with a steering wheel fixing support which is fixed by inserting a steering handle into the chassis, a speed changing sprocket is arranged in the middle of the chassis, a rear wheel differential is arranged at the rear end of the chassis, a power assisting motor is arranged between the speed changing sprocket and the rear wheel differential, a manpower driving sprocket is arranged in the steering handle fixing support, pedals which are fixed by sleeving the manpower driving sprocket in a threaded mode are arranged on two sides of the manpower driving sprocket, and a transmission chain is arranged between the manpower driving sprocket and the speed changing sprocket, between the speed changing sprocket and the power assisting motor and between the power assisting motor and the rear wheel differential.

Preferably, a rear wheel bracket is arranged between the rear wheel differential mechanism and the chassis.

Preferably, the upper end of the rear wheel bracket is provided with a trunk, and a trunk mounting bracket which is fixed with the trunk by bolts is arranged between the two sides of the rear wheel bracket and the rear wheel differential.

Preferably, the front end of the steering wheel is provided with a carport extending to the rear part of the driving rack.

Preferably, a passenger seat which is fixedly connected with the shed in a fitting way is arranged between the rear of the driving seat and the shed. The lower end of the passenger seat is provided with a power supply for providing power guarantee.

The utility model can achieve the following effects:

compared with the prior art, the power assisting device for the bicycle has the characteristics of compact structure, good running stability and complete functions. The problem of the manpower in-process of riding carry out electric power assistance is solved. The riding fun is realized, and meanwhile, the condition of insufficient manpower and power is relieved.

Drawings

Fig. 1 is a schematic structural view of the present utility model.

Fig. 2 is a schematic view of the structure of the driving frame in the present utility model.

In the figure: tyre 1, shed 2, steering handle 3, driver's seat 4, passenger seat 5, trunk 6, drive frame 7, chassis 8, steering wheel fixed bolster 9, manpower drive sprocket 10, footboard 11, variable speed sprocket 12, drive chain 13, booster motor 14, rear wheel support 15, rear wheel differential 16, trunk mount bracket 17.

Detailed Description

The technical scheme of the utility model is further specifically described below through examples and with reference to the accompanying drawings.

Examples: as shown in fig. 1 and 2, a booster for a bicycle comprises a driving frame 7, wherein the front side and the rear side of the driving frame 7 are respectively provided with a tire 1 fixedly connected with the driving frame 7 through bearing hubs, the upper end of the driving frame 7 is provided with a driving seat 4, the front end of the driving seat 4 is provided with a direction handle 3, the front end of the direction handle 3 is provided with a bicycle shed 2 extending to the rear part of the driving frame 7, and a passenger seat 5 fixedly connected with the bicycle shed 2 in a fitting manner is arranged between the rear of the driving seat 4 and the bicycle shed 2. The driving rack 7 comprises a chassis 8, a steering handle fixing bracket 9 which is fixed with the steering handle 3 in an inserting and embedding manner is arranged at the front end of the upper part of the chassis 8, a speed change chain wheel 12 is arranged in the middle of the chassis 8, a rear wheel differential 16 is arranged at the rear end of the chassis 8, a rear wheel bracket 15 is arranged between the rear wheel differential 16 and the chassis 8, a trunk 6 is arranged at the upper end of the rear wheel bracket 15, and a trunk mounting bracket 17 which is fixed with the trunk 6 through bolts is arranged between two sides of the rear wheel bracket 15 and the rear wheel differential 16. A booster motor 14 is arranged between the speed-changing chain wheel 12 and the rear wheel differential mechanism 16, a manual driving chain wheel 10 is arranged in the direction handle fixing support 9, pedals 11 which are in threaded connection with the manual driving chain wheel 10 are arranged on two sides of the manual driving chain wheel 10, and a transmission chain 13 is arranged between the manual driving chain wheel 10 and the speed-changing chain wheel 12, between the speed-changing chain wheel 12 and the booster motor 14 and between the booster motor 14 and the rear wheel differential mechanism 16.

In conclusion, the power assisting device for the bicycle has the characteristics of compact structure, comfort and labor saving in riding, good running stability and complete functions. The problem of the manpower in-process of riding carry out electric power assistance is solved. The riding fun is realized, and meanwhile, the condition of insufficient manpower and power is relieved.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

In summary, the foregoing description is only one embodiment of the present utility model, but the present utility model is not limited to the above embodiments, and any changes or modifications within the scope of the present utility model are intended to be included in the scope of the present utility model.

Claims

1. A booster for a bicycle, characterized by: the steering wheel comprises a driving rack (7), wherein tires (1) which are fixedly connected with the driving rack (7) through bearing hubs and bolts are arranged at the front side and the rear side of the driving rack (7), a steering seat (4) is arranged at the upper end of the driving rack (7), and a steering handle (3) is arranged at the front end of the steering seat (4); the driving rack (7) comprises a chassis (8), the front end of the upper portion of the chassis (8) is provided with a direction handle fixing support (9) which is fixed with a direction handle (3) in an inserting mode, a speed changing sprocket (12) is arranged in the middle of the chassis (8), a rear wheel differential mechanism (16) is arranged at the rear end of the chassis (8), a power assisting motor (14) is arranged between the speed changing sprocket (12) and the rear wheel differential mechanism (16), a manpower driving sprocket (10) is arranged in the direction handle fixing support (9), pedals (11) which are in threaded connection with the manpower driving sprocket (10) are arranged on two sides of the manpower driving sprocket (10), and a transmission chain (13) is arranged between the manpower driving sprocket (10) and the speed changing sprocket (12), between the speed changing sprocket (12) and the power assisting motor (14), and between the power assisting motor (14) and the rear wheel differential mechanism (16).

2. A booster for a bicycle as defined in claim 1, wherein: a rear wheel bracket (15) is arranged between the rear wheel differential mechanism (16) and the chassis (8).

3. A booster for a bicycle as defined in claim 2, wherein: the upper end of the rear wheel bracket (15) is provided with a trunk (6), and a trunk mounting bracket (17) which is fixed with the trunk (6) by bolts is arranged between the two sides of the rear wheel bracket (15) and the rear wheel differential mechanism (16).

4. A booster for a bicycle as defined in claim 1, wherein: the front end of the steering handle (3) is provided with a shed (2) extending to the rear part of the driving rack (7).

5. A booster for a bicycle as defined in claim 4, wherein: and a passenger seat (5) which is fixedly connected with the shed (2) in a fitting way is arranged between the rear of the driving seat (4) and the shed (2).