Advertising box capable of being replaced through chain structure

Abstract

The invention relates to the technical field of advertisement media. The invention provides an advertising box capable of being replaced through a chain structure. Printed advertisements are placed ona conveying plate through an advertisement putting opening, then, a second gear is driven to rotate clockwise, the second gear drives the chain to transfer printed advertisements into the advertisement box, clamping plates stabilize the two sides of the advertisement, meanwhile, the chain drives the first gear to rotate, the first gear drives the bevel gear frame to rotate, through meshing between gears, the bevel gear frame drives the first bevel gear to rotate, the first bevel gear drives the telescopic pipe to rotate; the telescopic pipe drives the threaded rod to rotate, the threaded rodrotates to do upward linear motion through the telescopic pipe, the threaded rods extrude the interiors of the air bags, the pressure intensity in the air bags is changed, at the moment, the printed advertisements are conveyed to the bottoms of the clamping plates to be fixed, the white mounting plates at the tops of the advertisements are led into the topmost ends to extrude the telescopic connecting rods, the telescopic connecting rods convert pressure into elastic force, and the top ends of the printed advertisements are fixed through the limiting plates.

Description

technical field [0001] The invention relates to the technical field of advertising media, in particular to an advertising box that uses a chain structure to realize replacement. Background technique [0002] Billboards are outdoor media that transmit advertising information, and the size of billboards depends on the actual environment. They can be made by hand drawing, computer production or brushing on paper. Billboards are also very effective means of publicity in modern society To expand the popularity, and in our daily life, we often take the bus, so the flow of people is large, usually an advertising box will be installed on the bus platform, and the billboards for the current promotion will be placed in it, so as to realize the notification or convey the more important or the business wants The information to promote. [0003] The commonly used advertising boxes on bus stops are to insert the advertising billboards from the outside into the inside of the advertising b...

AI Technical Summary

Problems solved by technology

[0003] The commonly used advertising boxes on bus stops are to insert the advertising billboards from the outside into the inside of the advertising box, and to align the billboards from the outside many times. The installation is more cumbersome and requires more time for the installers. When placed for a long time, it can be clearly found that there is a lot of dust on the glass inside, which is contained in the gaps inside the advertising box or the water vapor from the outside, which seriously affects the visual effect of the billboard. reduce the effectiveness of publicity

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