Door opening and closing device

Abstract

The invention discloses a door opening and closing device. The door opening and closing device comprises a door panel and a driving cavity arranged in the door panel. A first box is fixedly connectedto the inner wall of the right end of the driving cavity. The first box is internally provided with a first cavity with a rightward opening. A fingerprint identifier is arranged on the inner wall of the bottom of the first box. The lower end face of the first box is fixedly connected with a second box. The second box is internally provided with a second cavity with a downward opening. A first transmission shaft extending vertically is connected to the inner wall of the bottom of the first cavity in a rotating fit mode. The tail end of the top of the first transmission shaft is fixedly connected with a cipher disk. A first bevel gear is arranged at the tail end of the bottom of the first transmission shaft. A lock bar is fixedly connected to the inner wall of the top of the first cavity. The bottom of the lock bar is fixedly connected with a lock tube. The lock tube is fixedly connected with a holding rod. The door opening and closing device is simple in structure, convenient to operateand high in transmission performance, has the function of the dual safety verification and increases the safety coefficient and the space utilization rate.

Description

technical field [0001] The invention relates to the technical field of smart home decoration, in particular to a door switch device. Background technique [0002] With the progress of society, technology and culture, the safety performance of the house has gradually improved. As the first safety device of the house is the door. Since ancient times, the opening and closing devices of doors have always been mechanical locks. However, with the current high-level development of science and technology, the safety of mechanical locks and the increasing inability to meet the needs of ordinary people, smart locks came into being at the historic moment. However, smart locks are often easy to steal information and lose the performance of advanced locks that it should have. Therefore, a new door switch device has become an inevitable trend of today's development, wherein the present invention clarifies a switch device that can solve the above problems. SUMMARY OF THE INVENTION [...

AI Technical Summary

Problems solved by technology

However, with the high-level development of science and technology, the safety of mechanical locks and the inability to meet the needs of ordinary people, smart locks came into being at this time.

However, smart locks are often easy to be stolen by others, and lose the performance of advanced locks that they should have.

Images