Automobile hidden door handle based on shape memory alloy and control method thereof

Abstract

The invention discloses an automobile hidden door handle based on shape memory alloy. The automobile hidden door handle is characterized by comprises a push rod device, a base, a first fixed pulley, a second fixed pulley, a shape memory alloy wire, a metal wire, a spring, a U-shaped piece and a gear, and one end of the push rod device is fixed on the door handle; the base comprises a first part, a second part and a third part; the first fixed pulley is rotatably arranged on the third part; the second fixed pulley with the diameter smaller than that of the first fixed pulley is integrated with the first fixed pulley; one end of the shape memory alloy wire is wound on the second fixed pulley; one end of the metal wire is wound on the first fixed pulley, and the other end of the metal wire passes through the second part; one end of the spring is fixed on the other side of the second part; the U-shaped piece is connected with the spring and the other end of the metal wire; and the gear is meshed with the other end of the push rod device and the first part at the same time, and the gear is rotatably arranged in the U-shaped piece. The invention further discloses a control method of the automobile hidden door handle based on the shape memory alloy. The door handle is automatically hidden through cooperation of the shape memory alloy wire and the spring.

Description

technical field [0001] The invention relates to the technical field of intelligentization and weight reduction of automobile bodies, and more specifically, the invention relates to a hidden door handle of an automobile based on a shape memory alloy and a control method thereof. Background technique [0002] Since the advent of the first car, it has brought great convenience to people, especially since it entered the modern society, the auto industry has also developed continuously with the progress of society and economic construction, and in turn has made great contributions to it. . In recent years, with the continuous improvement and development of my country's mold production and manufacturing technology, automobile door handles, a common part of automobiles, have also begun to innovate. [0003] As a new type of handlebar in recent years, the hidden handlebar improves the appearance of the door on the one hand, ensures the overall sense of the vehicle, and at the same ...

AI Technical Summary

Problems solved by technology

[0004] The structure of the traditional hidden car door handle is complicated, and the structure of the motor drive is complicated, which is not conducive to the lightweight of the car body, such as Chinese patents CN104943587A, CN206644702U

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