Manual-moving type variable speed controller of bicycle

Abstract

The invention discloses a manual-moving type variable speed controller of a bicycle. The manual-moving type variable speed controller of the bicycle comprises a push rod, a fixed base plate, a main winding member, a gear shift positioning unit, a first bearing, a second bearing, a first fastener, a first turning spring, a second turning spring, a spring and a gear bolt. The gear shift positioning unit comprises a gear shift rod, positioning teeth, a fixing pin, a second fastener, a third turning spring and a fourth turning spring. The main winding member is integrated for reducing errors produced in a traditional manufacturing and assembly process of the main winding member and improving the accuracy of speed change gear shift positioning and is provided with double rows of gears for effectively solving the deficiency that both sides of one row of gears are stressed in the prior art. The push rod is designed for greatly improving the accuracy of gear shift and also improving the safety factor. Meanwhile, the problem of abrasion of parts is well solved by replacing traditional grease with Teflon.

Description

technical field [0001] The invention relates to a finger-dial type speed change controller for a bicycle. Background technique [0002] At present, bicycles on the market are basically equipped with transmission systems, especially mountain bikes use transmission systems as an indispensable part. The function of the bicycle speed change system is to change the speed of the vehicle by adjusting the speed change controller installed on the handlebar to change the cooperation of the chain and the front and rear gear plates of different sizes. The size of the front chainring and the size of the rear chainring determine the strength when the bicycle spins the pedals. The larger the front chainring is, the smaller the rear chainring is, and the harder it is to pedal. The smaller the front chainring is, the smaller the rear chainring is. The bigger it is, the easier it is to pedal. According to the ability of different riders, the speed of the bicycle can be adjusted by adjus...

AI Technical Summary

Problems solved by technology

A bicycle finger-type variable speed controller described in the present invention simplifies the internal structure of the entire bicycle finger-type variable speed controller, solves the problems of the errors of the parts and components in the prior art and the errors generated during assembly, and reduces the The production cost of the product also reduces the difficulty of employee assembly; at the same time, there is a spring under the gear lock tongue, which controls the position of the gear lock tongue between the pushing groove and the fixed bottom plate through the expansion and contraction of the spring. The structure is simple, and the installation steps are simplified. At the same time, the torque of the gear lock tongue is smaller than that of the prior art, which reduces the resistance in the process of gear adjustment during the micro-rotation process, and further improves the working efficiency of employees. Efficiency, so that the price of the product is lower than the price of the same type of product in the market, thereby improving the market competitiveness of the product

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