CN102673704A - Double-driving folding pedal bicycle - Google Patents

Abstract

The invention belongs to the technical field of bicycles, and relates to a double-drive foldable pedal bicycle assisted by a battery. The pedal system adopts a direct-drive bicycle pedal structure and a driver of a turntable structure is fixed together to form a pedal to drive the front wheel to rotate. Spokes are fixed on the periphery of the driver to form a linkage structure with the front wheel; the bottom end of the front fork is fixed on the center of the driver, and the inner side of the front wheel of the front fork is fixed with a front brake and a front brake handle to form a manual brake mechanism for the front wheel; The top of the front fork is directly inserted and fixed forward, and the cross type is made with a steering handle and a speed control handle. The steering handle is matched with a rear brake handle and the rear brake is connected through a metal brake line to form a brake mechanism for the rear wheel; the battery is electrically connected to the motor. And it is linked with the rear wheel to form a booster mechanism; the joint between the saddle rod and the rear frame is equipped with a folder through an elastic pin; the diameter of the front wheel is greater than or equal to the diameter of the rear wheel; its structure is simple, safe and reliable, and it is easy to use and operate. Portable, with dual functions of manpower and electric power assist.

Description

A double-drive folding bicycle

Technical field:

The invention belongs to the technical field of bicycle preparation, and relates to a double-drive folding bicycle device with front and rear wheels without a chain structure, in particular to a double-drive folding bicycle device assisted by battery electric power.

Background technique:

Existing bicycle devices have multiple structural forms, and are generally divided into electric power-assisted bicycles, full-manpower pedal bicycles and full-electric chainless bicycles. These existing bicycles are applicable to different crowd categories and environmental occasions. Folding bicycles have become a common means of transportation for modern tourism. There are many types and shapes of folding bicycles, but summing up the existing various bicycles, their common The disadvantage is that the structure is relatively complex, the function is single, the folding is not flexible, and it is inconvenient to use, especially for electric power-assisted bicycles. The current electric power-assisted bicycles are heavy in structure and are not suitable for tourism and mountain running. Features, the existing electric power-assisted bicycles are not easy to use folding structures, so they are only suitable for use in relatively flat areas of urban and rural streets, and the scope of application is limited.

Invention content:

The purpose of the present invention is to overcome the shortcomings of existing pedal bicycles, seek to design a simple in structure, easy to use electric power assist pedal bicycle with no chain type folding structure, improve the mechanical structure and practicality of existing bicycles from bicycles Innovate and improve the concept, change the traditional structural model, improve the function and adaptability of the front-wheel drive chainless bicycle, keep the drive device in the middle of the front wheel, and move forward under the action of the pedal crank; change the passive rear wheel to electric motor assist, It can be ridden alternately according to the road conditions. It adopts a simple K-shaped frame and is equipped with a vertical folder in the middle of the front and rear frames.

In order to achieve the above object, the main structure of the present invention includes a driver, a front wheel, a pedal system, a front fork, a front brake, a rear brake handle, a steering handle, a front brake handle, a speed control handle, a front frame, a folder, a lock release Pin, flat saddle, saddle bar, battery, rear frame, rear fork, rear wheel, motor and rear brake; the pedal system adopts the existing direct-drive bicycle pedal structure, the pedal system and the turntable structure The driver is fixed as a whole to form a pedal to drive the front wheel to rotate, and spokes are fixed on the periphery of the driver to form a linkage structure with the front wheel; the bottom end of the front fork is fixed on the center of the driver, and the inner side of the front wheel of the front fork is fixed. The front brake adopts the existing bicycle front brake structure. The front brake and the front brake handle form the manual brake mechanism of the front wheel; Cooperate with the rear brake handle, the rear brake handle and the rear brake are connected through the existing metal brake line to form the brake mechanism of the rear wheel; Frame, the front end of the rear frame is fixedly connected with the front frame, and the joint is perpendicular to the axial direction of the front frame and is fixed with a saddle rod by elastic pins, and a flat saddle is formed on the top of the saddle rod; The lower part is equipped with a rear fork, and the fork end of the rear fork is provided with a rotatable rear wheel and a motor, and the rear frame is fixed with a rechargeable battery, which is electrically connected to the motor and linked with the rear wheel to form a The power-assisted mechanism of the rear wheel; the junction of the saddle bar and the rear frame is also fixed with a folder by elastic pins, which is convenient for the parts below the rear frame to fold down; the diameter of the front wheel is greater than or equal to the diameter of the rear wheel.

The present invention adopts the gear transmission in the driver to speed up, drives the front wheels to implement human-driven driving, starts the speed control handle to convert electric drive, drives the motor through the battery, and makes the rear wheels realize electric power-assisted advancement, and the front and rear brake handles control the front and rear wheels respectively. , rear brake, and brake the front and rear wheels; if you need to carry and store, open the folder by loosening the lock pin, push the flat saddle to the steering handle, advance the frame by hand, and quickly put the rear frame combination and rear The wheels are vertically folded to the front wheel and the front frame area; if you want to unfold the bicycle, pull the flat saddle back, press the front frame with your hand, and the body can be stretched out quickly; the top of the saddle rod is made with a push-in type The structure of the flat saddle, the flat saddle adopts the existing general bicycle seat structure and can adjust the height position.

Compared with the prior art, the present invention is simple in structure, safe and reliable, easy to use and operate, light in operation, has dual functions of manpower and electric power assist, and is suitable for mountain or field travel and mountain students; it adopts rechargeable battery power and is environmentally friendly.

Description of drawings:

Figure 1 is a schematic diagram of the overall structure of the present invention.

Detailed ways:

Further description will be made below through embodiments and in conjunction with accompanying drawings.

Example:

The main structure of this embodiment includes a driver 1, a front wheel 2, a pedal system 3, a front fork 4, a front brake 5, a rear brake handle 6, a steering handle 7, a front brake handle 8, a speed control handle 9, and a front frame 10 , folder 11, loose lock pin 12, flat saddle 13, saddle rod 14, battery 15, rear frame 16, rear fork 17, rear wheel 18, motor 19 and rear brake 20; Pedal system 3 adopts existing In some direct-drive bicycle pedal structures, the pedal system 3 and the driver 1 of the turntable structure are fixed as a whole to form a pedal to drive the front wheel 2 to rotate, and spokes are fixed on the periphery of the driver 1 to form a linkage structure with the front wheel 2; The bottom end of the fork 4 is fixed on the center of the driver 1, and the front wheel 2 inner side of the front fork 4 is fixed with a front brake 5. The front brake 5 adopts the existing bicycle front brake structure, and the front brake 5 and the front brake handle 8 form a front brake. The manual brake mechanism of the wheel 2; the top of the front fork 4 is directly inserted and fixed forward, and the cross type is made of a steering handle 7 and a speed control handle 9, and the steering handle 7 is matched with a rear brake handle 6, and the rear brake handle 6 is connected with the rear brake handle. 20 is communicated with the brake mechanism that constitutes rear wheel 18 by existing metal brake line; It is fixedly connected with the front vehicle frame 10, and its joint is perpendicular to the axial direction of the front vehicle frame 10. Only the saddle bar 14 is fixed by the elastic pin 12, and the flat saddle 13 is shaped on the saddle bar 14 top; Bottom is shaped on rear car fork 17, and the fork end place of rear car fork 17 is shaped on rear wheel 18 and motor 19 of rotatable structure, and the rear vehicle frame 16 is fixed with rechargeable battery 15, and battery 15 and motor 19 is electrically connected and is linked with the rear wheel 18 to form the power-assisted mechanism of the rear wheel 18; the junction of the saddle bar 14 and the rear frame 16 is also fixed with a folder 11 through the elastic pin 12, which is convenient to the parts below the rear frame 16. Fold fold.

The gear transmission in the linkage driver 1 adopted in this embodiment speeds up, drives the front wheel 2 to implement manual driving, starts the speed control handle 9 to convert electric drive, and drives the electric motor 19 through the battery 15, so that the rear wheel 18 realizes electric power assist Forward, the front and rear brake handles 6 and 8 control the front and rear brakes 5 and 20 respectively, brake the front wheel 2 and the rear wheel 18 brakes; if you need to carry and store, open the folder 11 by loosening the lock pin 12, and put the flat saddle 13 is pushed to the steering handle 7, the hand advances the frame 10, and the combination of the rear frame 16 and the rear wheel 18 can be quickly folded vertically to the front wheel and the frame area; if the bicycle is to be unfolded, the flat saddle 13 is pulled back , the front frame 10 is pressed by hand, and the car body can be stretched out rapidly; the top of the saddle rod 14 is shaped on a flat saddle 13 of a plug-in structure, and the flat saddle 13 adopts an existing general bicycle seat structure and can be adjusted High and low positions; the diameter of the front wheel 2 is greater than or equal to the diameter of the rear wheel 18.

Claims (1)

1. one kind pair is driven collapsible bicycle, it is characterized in that agent structure comprises actuator, front-wheel, pedal system, front fork, front brake, back brake handle, turns to handle, front brake handle, speed-regulating handle bar, front vehicle frame, folder, the pin that uncages, flat saddle, saddle bar, battery, back vehicle frame, rear vehicle fork, trailing wheel, electrical motor and back brake; Pedal system adopts existing direct-drive type bicycle pedals plate structure, and the actuator of pedal system and turntable structure is fixed as one and constitutes the foot-operated front-wheel rotation that drives, and is fixed with spoke on the periphery of actuator and constitutes and the front-wheel linkage structure; The bottom of front fork be fixed on actuator in the heart, the inboard place of the front-wheel of front fork fixedly is shaped on front brake, the hand-operated brake mechanism of front brake and front brake handle composition front-wheel; The top end of front fork forward straight cutting fixedly staggered form be shaped on turn to and speed-regulating handle bar, turn to be shaped on the back brake handle to last cooperation, back brake handle is communicated with the braking mechanism that constitutes trailing wheel with back brake through existing metal brake line; The center of front fork fixedly is shaped on and extends back and downward-sloping front vehicle frame and back vehicle frame; The front end of back vehicle frame is captiveed joint with front vehicle frame; Its junction fixedly is shaped on the saddle bar perpendicular to the axis direction of front vehicle frame through the degree of tightness pin, is shaped on flat saddle on the saddle masthead end; The bottom of back vehicle frame is shaped on rear vehicle fork, and the fork place of rear vehicle fork is shaped on the trailing wheel and the electrical motor of turntable, and flatwise fixedly is shaped on electrically-charged battery on the back vehicle frame, and battery is communicated with electric electromechanics and constitutes the servomechanism of trailing wheel with trailing wheel interlock; The saddle bar also fixedly is shaped on folder with the junction of back vehicle frame through the degree of tightness pin; The diameter of front-wheel is more than or equal to the back wheel diameter.

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