Protection device of propaganda lamp box for outdoor advertising media in cloudy and rainy weather

Abstract

The invention provides a protective device of a propaganda lamp box for outdoor advertisement media in cloudy and rainy weather. The protective device comprises a box body, wherein a strip-shaped column is fixedly mounted at the top of the box body, a wind wheel is fixedly mounted in an inner cavity of the strip-shaped column, through holes are formed in the left side and the right side of the strip-shaped column, water leakage openings are formed in the bottoms of the left side and the right side of the strip-shaped column, the bottom of the wind wheel is fixedly connected with a silk thread, and ventilation grooves are formed in the left side and the right side of the box body. According to the protection device of the propaganda lamp box for outdoor advertisement media in cloudy and rainy days, by arranging a wind wheel and a rotating shaft, the wind wheel and a rotating seat are fixedly connected through a silk thread, and the area after a baffle rotates is matched with the area of a ventilation groove, so when external strong wind occurs, wind power enters a strip-shaped column through a through hole to drive the wind wheel to rotate; and meanwhile, the wind wheel rotates to drive the rotating seat to rotate anticlockwise through the silk thread, so the baffle covers the ventilation groove, and the effect of automatically closing the ventilation groove during wind blowing is achieved.

Description

technical field [0001] The invention relates to the technical field of advertising media, in particular to a protection device for a publicity light box used for outdoor advertising media in rainy weather. Background technique [0002] With the development of modern society and the general improvement of public life, the way of shopping has changed from the previous careful calculation to the current random selection. Therefore, in order to increase the sales of their own products, many commodity stores have vigorously developed cooperation with various advertising companies. In places such as stations, buses, subways, etc., a large number of introductions are made to introduce the company and the products sold by the company, in the hope that this will prevent it from attracting the attention of customers, thereby increasing its turnover. [0003] Compared with the publicity billboards for advertising media placed in indoor sheltered places such as buses and subways, some p...

AI Technical Summary

Problems solved by technology

[0003] Compared with the publicity billboards for advertising media placed in indoor sheltered places such as buses and subways, some publicity light boxes for advertising media placed outdoors are often damaged due to windy and rainy weather, especially When the wind is strong and there is a lot of rain, the strong wind often blows rainwater into the interior of the advertising light box through the vents of the advertising light box. The circuit of the light box is damaged

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