Advertising box with automatic screen changing mechanism

Abstract

The invention discloses an advertising box with an automatic screen change mechanism. The advertising box with the automatic screen change mechanism comprises an advertising box body and the automatic screen change mechanism arranged in the advertising box body. The advertising box body comprises a frame and a transparent cover plate. One end of an upper roller and the same end of the other upper roller are each provided with an upper roller power input wheel in a linkage mode. The other end of each upper roller is provided with an upper roller power output wheel in a linkage mode. The ends, corresponding to the upper roller power output wheels, of two lower rollers are each provided with a lower roller power input wheel in a linkage mode. A motor is fixedly mounted on an upper mounting rack. A motor power output wheel is arranged on an output shaft of the motor in a linkage mode. The motor power output wheel is connected with the two upper roller power input wheels in a synchronous driving mode. The two upper roller power output wheels are connected with the two lower roller power input wheels respectively in a synchronous driving mode. The advertising box with the automatic screen change mechanism has the advantages that the structural arrangement is reasonable, and the driving synchronism is good; moreover, the mechanism is easy to arrange, low in cost and less in power consumption.

Description

technical field [0001] The invention relates to an advertising box, in particular to an advertising box with an automatic screen changing mechanism. Background technique [0002] At present, advertising boxes are installed on street lamps or trash cans, and an automatic screen-changing mechanism is installed in the advertising box. Through this automatic screen-changing mechanism, the advertising canvas is regularly switched to realize the display function of advertising content with different contents. The structure of the existing automatic screen-changing mechanism of the advertising box generally includes four rollers arranged separately up and down and parallel to each other, and the advertising canvas is set on the outside of the four rollers. Correspondingly set up a motor and an electromagnetic clutch for driving. This structure needs to be equipped with 4 motors and 4 electromagnetic clutches. Not only the components are more costly, but also the power consumption i...

AI Technical Summary

Problems solved by technology

The structure of the existing automatic screen-changing mechanism of the advertising box generally includes four rollers arranged separately up and down and parallel to each other, and the advertising canvas is set on the outside of the four rollers. Correspondingly set up a motor and an electromagnetic clutch for driving. This structure needs to be equipped with 4 motors and 4 electromagnetic clutches. Not only the components are more costly, but also the power consumption is large. In addition, the structure keeps the four motors synchronously driven during assembly. It is very difficult, which makes it difficult for the four rollers to rotate synchronously, causing the advertising canvas to get stuck and wrinkled on the rollers, which affects the normal use of the advertising box

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