CN214776395U

CN214776395U - Power-saving bicycle

Info

Publication number: CN214776395U
Application number: CN202121317978.2U
Authority: CN
Inventors: 农伟明
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-06-11
Filing date: 2021-06-11
Publication date: 2021-11-19
Anticipated expiration: 2031-06-11

Abstract

A labor-saving bicycle comprises a front wheel, a front fork, a right crank, a left pedal, a left lever, a front middle shaft, a rear middle shaft, a right return device, a left return device, a flywheel, a rear wheel, a steering handle, a frame, a right lever, a right pedal, a saddle, a left chain, a right chain, a large chain disc, an upper middle shaft, a right directional flywheel, a left directional flywheel and a transmission chain. The utility model discloses a lever principle will act on that pedal less power converts the great power of being used in on directional flywheel into, then drives big chain dish and rotates, and big chain dish passes through drive chain drive flywheel again, thereby the flywheel drives the rear wheel and rotates the drive bicycle and move ahead.

Description

Power-saving bicycle

Technical Field

The utility model relates to a bicycle technical field specifically is a laborsaving bicycle.

Background

In the prior art, a bicycle comprises a frame, a steering handle, a front fork, a front wheel, a rear wheel, a flywheel, pedals, a large chain disc, a transmission chain, a crank, a front brake, a rear brake and the like, wherein one end of the crank is fixed with the pedals, and the other end of the crank is fixed at the center of the large chain disc and rotates by taking the large chain disc as a circle center. When the bicycle is used, the pedals are manually pedaled to do circular motion, so that the large chain disc makes circular rotation, and then the transmission chain drives the flywheel to drive the rear wheel to rotate.

The defects of the method are low working efficiency and labor waste. In the process of manually pedaling and applying force during riding, the crank rotates circularly by taking the central shaft as the circle center, and the position of the crank is shifted and changed in the rotating process and is also equal to the change of the torque force of the large chain disc, so that the large chain disc does not obtain the required driving force, and the riding is laborious.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a solve current bicycle work efficiency low, ride hard problem and provide a laborsaving bicycle.

In order to solve the technical problem, the utility model discloses a following technical scheme: the utility model provides a labor-saving bicycle, includes front wheel, rear wheel, frame, preceding Y, flywheel, direction handle, left crank, right crank, left pedal, right pedal, saddle, big chain dish and driving chain, still includes left lever, right lever, preceding axis, back axis, left return ware, right return ware, left chain, right chain, goes up axis, left directional flywheel and right directional flywheel, and concrete structure and relation of connection are:

the left crank and the right crank are respectively fixed with a left pedal and a right pedal at one end, the other end of the left crank and the right crank is fixed at the left end and the right end of a front middle shaft, one end of a left lever and one end of a right lever are respectively fixed at the left end and the right end of a rear middle shaft, the other end of the left lever and the other end of the right lever are respectively attached to the left pedal and the right pedal, a left directional flywheel and a right directional flywheel are respectively occluded with a left chain and a right chain, the left lever and the right lever are respectively connected with a left return device and a right return device through the left chain and the right chain, a large chain disc, a left directional flywheel and a right directional flywheel are fixed on an upper middle shaft, and the large chain disc is connected with the flywheel through a transmission chain.

The left directional flywheel and the right directional flywheel are directional flywheels with the same size.

The diameters of the left directional flywheel and the right directional flywheel are larger than or equal to the diameter of the flywheel.

The left return device and the right return device comprise base plates, arm rods and springs; the bed plate is installed on the frame, and the spring is established on the bed plate, and the armed lever is connected to spring one end, and the one end and the left chain or the right chain of armed lever are connected.

The beneficial effects of the utility model reside in that:

the utility model discloses a laborsaving bicycle makes the effort enlarge and keep the action continuously to link up through setting up left lever, right lever, preceding axis, left chain, right chain, the directional flywheel in a left side, the directional flywheel in the right side, left return ware and right return ware to realize that work efficiency is high, ride laborsavingly.

Drawings

Fig. 1 is a schematic structural view of the power saving bicycle of the present invention.

Labeled as: the bicycle comprises a front wheel 1, a front fork 2, a right crank 3, a left crank 4, a left pedal 5, a left lever 6, a front middle shaft 7, a rear middle shaft 8, a right return device 9, a left return device 10, a flywheel 11, a rear wheel 12, a direction handle 13, a frame 14, a right lever 15, a right pedal 16, a saddle 17, a left chain 18, a right chain 19, a large chain disc 20, an upper middle shaft 21, a right directional flywheel 22, a left directional flywheel 23 and a transmission chain 24.

Detailed Description

The technical solution of the present invention will be further explained with reference to the accompanying drawings and examples.

As shown in fig. 1, a laborsaving bicycle, component member include front wheel 1, preceding crotch 2, right crank 3, left crank 4, left pedal 5, left lever 6, preceding axis 7, back axis 8, right return ware 9, left return ware 10, flywheel 11, rear wheel 12, direction handle 13, frame 14, right lever 15, right pedal 16, saddle 17, left chain 18, right chain 19, big chain dish 20, go up axis 21, the directional flywheel 22 in the right side, the directional flywheel 23 in the left side and driving chain 24. The concrete structure and the connection relation of the component members are as follows:

one end of the left crank 4 and one end of the right crank 3 are respectively fixed with a left pedal 5 and a right pedal 16, and the other ends are respectively fixed at the left end and the right end of the front middle shaft 7. One end of the left lever 6 and one end of the right lever 15 are respectively fixed at the left end and the right end of the rear middle shaft 8, and the other ends are respectively attached to the left pedal 5 and the right pedal 16 and can swing around the rear middle shaft 8. The left directional flywheel 23 and the right directional flywheel 22 are respectively meshed with the left chain 18 and the right chain 19, and the left lever 6 and the right lever 15 are respectively connected with the left return device 10 and the right return device 9 through the left chain 18 and the right chain 19. The upper middle shaft 21 is fixed with a large chain disc 20, a left directional flywheel 23 and a right directional flywheel 22, the left directional flywheel 23 and the right directional flywheel 22 can rotate around the upper middle shaft 21, and the large chain disc 20 is connected with the flywheel 11 through a transmission chain 24.

The working principle and the process are as follows:

when a person steps on the left pedal 5, the left pedal 5 makes circular motion around the front middle shaft 7 to drive the left lever 6 to move downwards, the left rod 6 swings around the rear middle shaft 8 at the moment, the left chain 18 is pulled by the left lever 6 to drive the left directional flywheel 23 to make circular motion, so that the upper middle shaft 21 is driven to rotate, the rotation of the upper middle shaft 21 drives the large chain disc 20 to rotate, and the large chain wheel 20 drives the flywheel 11 to rotate through the transmission chain 24 so as to drive the rear wheel 12 to rotate; when the left pedal 5 reaches the lowest position, the right pedal 16 is pedaled, the right pedal 16 makes circular motion around the front middle shaft 7 to drive the right lever 15 to move downwards, the right lever 15 swings around the rear middle shaft 8 at the moment, the right chain 19 is pulled by the right lever 15 to drive the right directional flywheel 22 to make circular motion, so as to drive the upper middle shaft 21 to rotate, the rotation of the upper middle shaft 21 drives the rotation of the large chain disc 20, and the large chain wheel 20 drives the flywheel 11 to rotate through the transmission chain 24, so that the rear wheel 12 rotates.

When the left pedal 5 reaches the lowest position, the left return device 10 is used to pull back tightly to prevent the left chain 18 from loosening and to return the left chain to its original position, since the left lever 6 is not pulling the left chain 18 at this time.

When the right pedal 16 reaches the lowest position, since the right lever 15 is not pulling the right chain 19 at this time, the right return device 9 is used to pull back the right chain 19 to prevent the right chain 19 from being loosened and to restore the right chain to its original position.

So that the left and the right pedals are continuously and alternately pedaled, thereby realizing the continuous rotation of the rear wheel.

The principle of labor saving is as follows:

the force acting on the left pedal 5 is equal to the force acting on the left lever 6, because the left lever 6 rotates around the front middle shaft 7, the left lever 6 is essentially a lever rotating around the front middle shaft 7, according to the lever principle, the smaller acting force of the left pedal 5 on the left lever 6 can be converted into the larger force for pulling the left chain 18, and the acting force is amplified; in the same way, the force acting on the right pedal 16 can be converted into a larger force for pulling the right chain 19, the acting force is amplified, and when the diameters of the left directional flywheel and the right directional flywheel are larger than or equal to the diameter of the flywheel, the acting force is amplified again, so that the bicycle can be driven by smaller force, and the aim of saving labor is fulfilled.

Claims

1. The utility model provides a labor-saving bicycle, includes front wheel, rear wheel, frame, preceding Y, flywheel, direction handle, left crank, right crank, left pedal, right pedal, saddle, big chain dish and driving chain, its characterized in that still includes left lever, right lever, preceding axis, back axis, left return ware, right return ware, left chain, right chain, go up the axis, the directional flywheel in a left side and the directional flywheel in the right side, and concrete structure and relation of connection are:

2. A power saving bicycle as claimed in claim 1, wherein the left and right directional flywheels are the same size directional flywheels.

3. A power saving bicycle as claimed in claim 1 or 2 wherein the diameter of the left and right directional flywheels is greater than or equal to the diameter of the flywheels.

4. The power-saving bicycle as claimed in claim 1, wherein the return device comprises a base plate, an arm and a spring, one end of the spring is fixed on the base plate, the other end of the spring is connected with the arm, and the base plate is mounted on the frame.