Lifting and anti-dumping large door display rack

Abstract

The invention relates to a lifting type anti-toppling large portal type display frame. The display frame comprises a support, a publicity page, a rotating shaft, a counterweight rod and a winding device, wherein the rotating shaft is detachably arranged at the top of the frame column of the support in a penetrating manner and is rotationally connected with a frame, the winding device is arranged at the end part of the rotating shaft protruding out of the frame column, and the counterweight rod is clamped in the groove of the support; the winding device comprises a worm wheel, a worm, a drivingshaft and fan blades, wherein the worm wheel is fixedly connected with the end part of the rotating shaft, the worm is meshed with the worm wheel, two ends of the worm are rotatably connected with lugs on the side wall of the frame column, a functional hole is formed in the worm, the driving shaft penetrates through the functional hole, and two ends of the driving shaft are respectively connectedwith two fan blades with opposite rotating directions. The lifting type anti-toppling large portal type display frame can automatically roll up the publicity page when strong wind comes, eliminates the wind resistance of the publicity page caused by wind blowing, ensures the safety and stability of the display frame for publicity, and the lifting type anti-toppling large portal type display frameis suitable for roof advertisement and outdoor large-scale standing advertisement.

Description

technical field [0001] The invention relates to the technical field of display racks for publicity, in particular to a lift-type anti-dumping large-scale door-type display rack. Background technique [0002] Leaflet advertisements are still the most frequently used means of cultural propaganda. In advertising, the larger the advertisement page, the more it can attract the attention of the general public. At the same time, the larger the advertisement page also needs a larger publicity bracket. Therefore, the promotional display racks in the streets and alleys are getting bigger and bigger. Although they are firmly fixed on the ground or buildings during installation, the huge advertising pages can block the airflow during use and form a strong wind in the wind. At the same time, it also forms a strong destructive force on the promotional display rack, which is why the larger the promotional display rack is, the easier it is to topple over. [0003] The main reason for the t...

AI Technical Summary

Problems solved by technology

[0002] Leaflet advertisements are still the most frequently used means of cultural propaganda. In advertising, the larger the advertisement page, the more it can attract the attention of the general public. At the same time, the larger the advertisement page also needs a larger publicity bracket. Therefore, the promotional display racks in the streets and alleys are getting bigger and bigger. Although they are firmly fixed on the ground or buildings during installation, the huge advertising pages can block the airflow during use and form a strong wind in the wind. At the same time, it also forms a strong destructive force on the promotional display rack, which is why the larger the promotional display rack is, the easier it is to topple over.

Images