CN103723233A

CN103723233A - Bicycle pedal and crank combined mechanism

Info

Publication number: CN103723233A
Application number: CN201410003659.2A
Authority: CN
Inventors: 柏兴燕
Original assignee: Taicang Zhetaitian Product Design Co Ltd
Current assignee: Taicang Zhetaitian Product Design Co Ltd
Priority date: 2014-01-03
Filing date: 2014-01-03
Publication date: 2014-04-16

Abstract

A bicycle pedal and crank combined mechanism comprises a pedal, a crank and a bearing, wherein the pedal comprises a pedal shaft and a pedal plate, a fixed integral structure is arranged between the pedal shaft and the pedal plate and can not rotate or slide, the crank comprises a chain wheel, a pedal arm and a bearing seat, the chain wheel is fixedly connected to one end of the pedal arm, the bearing seat is contained in the other end of the pedal arm, and bearings with diameters larger than 20mm can be installed. According to the bicycle pedal and crank combined mechanism, the pedal shaft and the pedal plate of the pedal are fixed, larger space is provided for the installation of bearings on the crank, bearings with diameters larger than 20mm can be installed on the crank, and the durability of the pedal is improved.

Description

Combined mechanism of bicycle pedal and crank

Technical Field

The invention relates to bicycle accessories, in particular to a combined mechanism of a bicycle pedal and a crank.

Background

The common bicycle pedal is arranged on a crank through a screw on a pedal shaft, the pedal shaft and the crank are fixedly connected and can not rotate, and the pedal shaft and the pedal can rotate relatively, so that the bicycle is pedaled to move forwards. In order to reduce the sliding resistance between the pedal shaft and the pedal plate, a bearing is generally installed between the pedal shaft and the pedal plate. Because of the limitation of the size of the pedal, the bearing cannot be too large, the diameter of the bearing is generally less than 20mm, and the bearing is easy to damage because the bearing is small and bears large load, so that the pedal is easy to damage. The traditional pedal and crank combined mechanism cannot meet the requirement of strong bearing capacity.

Disclosure of Invention

In view of the above-mentioned problems in the prior art, it is an object of the present invention to provide a bicycle pedal and crank combination.

In order to achieve the purpose of the invention, the technical scheme adopted by the invention is as follows:

a bicycle pedal and crank combination, said combination comprising: a pedal, a crank, a bearing, wherein,

the pedals comprise pedal shafts and pedal plates; the pedal shaft and the pedal plate are in a fixed integrated structure, and the pedal shaft and the pedal plate cannot rotate and slide;

the crank comprises a chain wheel, a pedal arm and a bearing seat which are rotatably arranged; one end of the pedal arm is fixedly connected with the chain wheel, and the other end of the pedal arm contains the bearing seat; the bearing seat can be used for mounting a bearing with the diameter larger than 20 mm.

Further, the one-piece footrest is made of metal or hard plastic material.

Further, the integrated pedal is a foot belt pedal and a self-locking pedal.

Further, the pedal plate of the integrated pedal is provided with teeth.

The combined mechanism of the bicycle pedal and the crank fixes the pedal shaft and the pedal plate of the pedal, provides larger space for installing the bearing, and improves the durability of the pedal, wherein the diameter of the bearing can be more than 20 mm.

Drawings

FIG. 1 is a schematic view of a bicycle pedal;

FIG. 2 is a schematic view of a bicycle crank;

FIG. 3 is a schematic view of a bicycle pedal and crank assembly;

FIG. 4 is a schematic view of a bicycle pedal and crank combination.

Wherein,

1 … crank; 3 … bearing; 4 … foot pedal;

11 … crank sprocket; 12 … pedal arm of crank; 13 … bearing seat of crank;

41 … pedal shaft; 42 … foot pedal.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to embodiments and accompanying drawings. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

The embodiment of the invention is an improvement aiming at the problem that the durability of the pedal and crank combined mechanism is poor due to the limited size of a bearing in the connection mode of the pedal and crank combined mechanism of the bicycle in the prior art. The following detailed description of specific embodiments of the invention is provided.

FIG. 1 is a schematic view of a bicycle pedal. FIG. 2 is a schematic view of a bicycle crank.

As shown in FIG. 1, the bicycle pedal (4) of the present invention comprises a pedal shaft (41) and a pedal plate (42), and the pedal shaft (41) and the pedal plate (42) are fixedly connected to each other to form an integrated structure when being installed. When the bicycle advances, the integral pedal can bear larger load, and the stability of the pedal is enhanced.

As shown in fig. 2, the crank (1) of the bicycle of the present invention comprises a sprocket (11) of the crank, a pedal arm (12) of the crank, and a bearing housing (13) of the crank. The chain wheel (11) of the crank is rotatably arranged on the bicycle frame through a shaft sleeve and a bearing on the bicycle frame, one end of the pedal arm (12) is fixedly connected with the chain wheel (11), and the other end of the pedal arm is used for accommodating the bearing seat (13).

FIG. 3 is a schematic view of a bicycle pedal and crank assembly. FIG. 4 is a schematic view of a bicycle pedal and crank combination.

As shown in fig. 3 and 4, the pedal shaft (41) of the integrated pedal (4) is inserted into the bearing hole, the pedal (42) of the pedal (4) is perpendicular to the sprocket (11), and the pedal (4) is connected to the crank (1) through the bearing (3), thereby forming a combined mechanism of the pedal (4) and the crank (1). When the bicycle is installed and used, the bearing seat (11) is accommodated in a larger space at one end of the pedal arm (12) of the crank (1), and the bearing (3) with the diameter larger than 20mm can be installed, so that the combined mechanism of the pedal (4) and the crank (1) can bear larger load during the running process of the bicycle, and the durability of the mechanism is improved.

The integrated pedal (4) can be made of metal or hard plastic materials when in use, can be a foot strap pedal and a self-locking pedal, and the pedal plate (42) of the integrated pedal (4) can be provided with teeth for the purpose of skid resistance.

The above are merely preferred embodiments of the present invention, and are not intended to limit the scope of the invention; it is intended that the following claims be interpreted as including all such alterations, modifications, and equivalents as fall within the true spirit and scope of the invention.

Claims

1. A bicycle pedal and crank combination, said combination comprising: a pedal, a crank, a bearing, wherein,

2. The bicycle pedal and crank combination mechanism of claim 1 wherein the one-piece pedal is made of metal or hard plastic material.

3. The bicycle pedal and crank combination of claim 1 wherein the integrated pedal is a foot-worn pedal and a self-locking pedal.

4. The bicycle pedal and crank combination of claim 1 wherein the pedals of the integrated pedal are toothed.