CN212332869U

CN212332869U - Bicycle variable force disc

Info

Publication number: CN212332869U
Application number: CN202020493515.0U
Authority: CN
Inventors: 张政
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-04-08
Filing date: 2020-04-08
Publication date: 2021-01-12
Anticipated expiration: 2030-04-08

Abstract

The utility model discloses a bicycle variable force disc, which comprises a middle shaft, a pedal, a lever transmission mechanism and a flywheel; the pedal is connected with a flywheel through a lever transmission mechanism. The utility model has the advantages that the power disc, the poke rod and the chain wheel which is rotationally connected with the middle shaft through the bearing are arranged, the length of the force arm which takes the middle shaft as a fulcrum and the connecting rod as a lever is prolonged, and the labor-saving riding is realized; the labor-saving riding is realized by treading the driving mechanism through the lever comprising the bending connecting rod, the hinged seat and the waist hole plate.

Description

Bicycle variable force disc

Technical Field

The utility model relates to a bicycle field specifically is a bicycle variable force dish.

Background

The traditional bicycle drive sprocket way is: the pedal is directly and fixedly connected with the crank, the crank drives the chain wheel to rotate, the transmission ratio of the chain wheel disc and the flywheel disc is adjusted by the speed changing device of the front chain wheel and the rear flywheel, labor is saved, and the driving speed is reduced by the labor saving mode.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a bicycle becomes power dish to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a bicycle variable force disc comprises a middle shaft, pedals, a lever transmission mechanism and a flywheel; the pedal is connected with a flywheel through a lever transmission mechanism.

As a further aspect of the present invention: the middle shaft sleeve is provided with a chain wheel which is rotationally connected with the middle shaft through a bearing; the side wall of the chain wheel is fixedly connected with a poke rod, and the front end of the poke rod penetrates through the force disc; the force disc is sleeved on the middle shaft and is fixedly connected with the middle shaft; the middle shaft is fixedly connected with connecting rods at two ends, the tail ends of the connecting rods are rotatably connected with pedals, the chain wheel is connected with a flywheel through a chain, and the flywheel is connected with a rear wheel shaft.

As a further aspect of the present invention: the pedal is fixedly connected with a bending connecting rod, the inner side of the bending connecting rod is fixedly connected with a traction column, the traction column is sleeved with a waist hole plate, the waist hole plate is provided with a waist hole groove, and the traction column is nested in the waist hole groove and is in sliding connection with the inner wall of the waist hole groove; the waist hole plate is fixedly connected with the middle shaft; the middle part of the bending connecting rod is hinged with a hinge seat which is fixedly connected with the frame; the tail end of the bending connecting rod is hinged with a linkage rod, and the tail end of the linkage rod is hinged with the side wall of the flywheel.

As a further aspect of the present invention: the middle shaft penetrates through the bicycle frame and is rotatably connected with the bicycle frame through the bearing sleeve.

As a further aspect of the present invention: the connecting rod is fixedly connected with the end part of the middle shaft in a bolt fixing mode.

As a further aspect of the present invention: the poke rod is positioned at the circumferential edge of the chain wheel.

As a further aspect of the present invention: the poke rod is vertically and fixedly connected with the chain wheel.

As a further aspect of the present invention: and the force disc is provided with a through hole matched with the poke rod.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model has the advantages that the power disc, the poke rod and the chain wheel which is rotationally connected with the middle shaft through the bearing are arranged, the length of the force arm which takes the middle shaft as a fulcrum and the connecting rod as a lever is prolonged, and the labor-saving riding is realized; the labor-saving riding is realized by treading the driving mechanism through the lever comprising the bending connecting rod, the hinged seat and the waist hole plate.

Drawings

FIG. 1 is a schematic structural view of a bicycle variable force disc;

FIG. 2 is a left side elevational view of the bicycle variable force plate;

FIG. 3 is a schematic structural view of a sprocket in a bicycle variable force disc;

FIG. 4 is a schematic structural view of a force plate of the bicycle force varying plate;

FIG. 5 is a schematic structural view of a bicycle variable force plate in accordance with embodiment 2.

In the figure: 1-medial axis; 2-a sprocket; 3-force plate; 4-a poke rod; 5-a connecting rod; 6-pedaling; 7-a chain; 8-a flywheel; 9-a bearing; 10-a through hole; 11-bending the connecting rod; 12-lumbar foramen arm; 13-a hinged seat; 14-a linkage bar; 15-traction column.

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.

Example 1

Referring to fig. 1-5, in an embodiment of the present invention, a bicycle variable force disc includes a center shaft 1, a sprocket 2, a connecting rod 5, a pedal 6, a chain 7 and a flywheel 8; the middle shaft 1 penetrates through the bicycle frame, the middle shaft 1 is rotatably connected with the bicycle frame through a bearing sleeve, two ends of the middle shaft 1 are fixedly connected with connecting rods 5, the connecting rods 5 are fixedly connected with the end part of the middle shaft 1 in a bolt fixing mode, the tail ends of the connecting rods 5 are rotatably connected with pedals 6, and the connecting rods 5 drive the middle shaft 1 to rotate by pedaling the pedals 6; the chain wheel 2 is sleeved on the middle shaft 1, and the chain wheel 2 is rotatably connected with the middle shaft 1 through a bearing 9; the side wall of the chain wheel 2 is fixedly connected with a poke rod 4, the poke rod 4 is vertically and fixedly connected with the chain wheel 2, the front end of the poke rod 4 penetrates through a force disc 3, and a through hole 10 matched with the poke rod 4 is formed in the force disc 3; the force disc 3 is sleeved on the middle shaft 1, the force disc 3 is fixedly connected with the middle shaft 1, and the force disc 3 rotates along with the rotation of the middle shaft 1; specifically, when the pedal 6 is stepped on by a foot, the connecting rod 5 drives the middle shaft 1 to rotate, the middle shaft 1 drives the power disc 3 to rotate, the power disc 3 drives the chain wheel 2 to rotate through the poke rod 4, and the chain wheel 2 drives the chain 7 to move.

The chain wheel 2 is connected with a flywheel 8 through a chain 7, and the flywheel 8 is connected with a rear wheel hub to drive the bicycle; in order to improve the labor saving effect, the poke rod 4 is positioned at the circumferential edge of the chain wheel 2.

The working principle of the application is as follows: the pedal 6 drives the chain wheel 2 to rotate through the connecting rod 5, the force disc 3 and the poke rod 4 by taking the middle shaft 1 as a fulcrum, and the force disc 3 is utilized to prolong the force arm of the lever, thereby achieving the effect of saving labor.

Example 2

This example differs from example 1 in that: the pedal 6 is fixedly connected with a bending connecting rod 11, the inner side of the bending connecting rod 11 is fixedly connected with a traction column 15, the traction column 15 is sleeved with a waist hole plate 12, the waist hole plate 12 is provided with a waist hole groove, and the traction column 15 is nested in the waist hole groove and is in sliding connection with the inner wall of the waist hole groove; the waist hole plate 12 is fixedly connected with the middle shaft 1; the middle part of the bending connecting rod 11 is hinged with a hinge seat 13, and the hinge seat 13 is fixedly connected with the frame; the bending connecting rod 11 moves up and down by treading the pedal 6; the tail end of the bending connecting rod 11 is hinged with a linkage rod 14, the tail end of the linkage rod 14 is hinged with the side wall of the flywheel 8, when the bending connecting rod 11 moves up and down, the bending connecting rod 11 drives the flywheel 8 to rotate through the linkage rod 11, the bicycle is driven, and the bicycle is driven through a lever treading mechanism consisting of the bending connecting rod 11, the hinging seat 13 and the waist hole plate 12, so that labor is saved and efficiency is high.

The following are specifically mentioned: the pedal, the middle shaft, the connecting rod, the chain, the flywheel and the bicycle frame are in the prior art; the force disc, the poke rod and the chain wheel which is rotationally connected with the middle shaft through the bearing are innovation points of the application; the length of the force arm taking the middle shaft as a fulcrum and the connecting rod as a lever is prolonged by arranging the force disc, the poke rod and the chain wheel which is rotationally connected with the middle shaft through the bearing, so that labor-saving riding is realized; the labor-saving riding is realized by treading the driving mechanism through the lever comprising the bending connecting rod, the hinged seat and the waist hole plate.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention 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.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A bicycle variable force disc comprises a middle shaft (1), pedals (6), a lever transmission mechanism and a flywheel (8); the bicycle is characterized in that the pedals (6) are connected with a flywheel (8) through a lever transmission mechanism, the middle shaft (1) is sleeved with a chain wheel (2), and the chain wheel (2) is rotatably connected with the middle shaft (1) through a bearing (9); the side wall of the chain wheel (2) is fixedly connected with a poke rod (4), and the front end of the poke rod (4) penetrates through the force disc (3); the force disc (3) is sleeved on the middle shaft (1), and the force disc (3) is fixedly connected with the middle shaft (1); the bicycle is characterized in that connecting rods (5) are fixedly connected to two ends of the middle shaft (1), pedals (6) are rotatably connected to the tail ends of the connecting rods (5), the chain wheel (2) is connected with a flywheel (8) through a chain (7), and the flywheel (8) is connected with a rear wheel shaft.

2. The bicycle variable force disc according to claim 1, wherein the pedal (6) is fixedly connected with a bending connecting rod (11), a traction column (15) is fixedly connected to the inner side of the bending connecting rod (11), the traction column (15) is sleeved with a waist hole plate (12), the waist hole plate (12) is provided with a waist hole groove, and the traction column (15) is nested in the waist hole groove and is in sliding connection with the inner wall of the waist hole groove; the waist hole plate (12) is fixedly connected with the middle shaft (1); the middle part of the bending connecting rod (11) is hinged with a hinge seat (13), and the hinge seat (13) is fixedly connected with the frame; the tail end of the bending connecting rod (11) is hinged with a linkage rod (14), and the tail end of the linkage rod (14) is hinged with the side wall of the flywheel (8).

3. The bicycle variable force disc according to claim 1, characterized in that the middle shaft (1) penetrates through the bicycle frame and the middle shaft (1) is rotatably connected with the bicycle frame through a bearing sleeve.

4. A bicycle variable force disc according to claim 1, characterized in that the connecting rod (5) is fixedly connected with the end of the middle shaft (1) in a bolt fixing manner.

5. A bicycle variable force disc according to claim 1, characterized in that the tap lever (4) is located at the circumferential edge of the sprocket wheel (2).

6. A bicycle variable force disc according to claim 1, characterized in that the tap lever (4) is vertically and fixedly connected with the chain wheel (2).

7. A bicycle variable force disc according to claim 1, characterized in that the force disc (3) is provided with a through hole (10) for cooperation with the tap lever (4).