Anti-falling type advertisement display rack

Abstract

Anti-falling type advertisement display rack includes a frame; an upright display board is arranged on the frame, the right end of the display board is elastically hinged with the frame by a torsion spring, the upper end of the display board is provided with a vertical rotation stop lever arranged above the display board, the frame is provided with a sliding bar vertically sliding above the rotation stopper, the lower end of the sliding bar is provided with a stopper, the stopper is provided with an inverted U-shaped opening groove horizontally penetrating the stopper, the upper end of the rotation stopper is arranged in the opening groove, and the front and rear ends of the stopper are arranged symmetrically before and after, and the wedge-shaped surface faces downward; The frame is provided with an anemometer arranged above the sliding rod and coaxially with the sliding rod, the anemometer is provided with a first rotating ring coaxially connected with the anemometer and disposed between the slide bar and the anemometer, The sliding rod is provided with a second rotating ring arranged on the upper end of the sliding rod and rotating coaxially with the sliding rod, a plurality offirst connecting rods with circumferential distribution are hinged on the first rotating ring, and a plurality of second connecting rods with circumferential distribution are hinged on the second rotating ring, and the first connecting rods correspond to the second connecting rods one by one and are hinged with each other.

Description

technical field [0001] The invention relates to the technical field of advertisement display, in particular to an anti-dumping advertisement display stand. Background technique [0002] The use of brackets for display is a common means of advertising placement and display, so advertising brackets of various shapes and specifications are widely used in the field of advertising display; small advertisements or simple advertisements often use roll-up banners, folding brackets, wall-mounted KT boards, etc. This delivery method is relatively simple, and it can be fixed by using heavy objects such as stones, water tanks, wall hangings, etc. to prevent dumping or falling under the action of strong winds; Large-scale advertising display boards such as large-scale display racks and highway advertising display boards have a large force-bearing area, so when they are affected by strong winds, the display boards themselves receive a large thrust, which can easily cause the display board...

AI Technical Summary

Problems solved by technology

[0004] In view of the above situation, in order to make up for the technical deficiencies of the existing technology, the present invention provides an anti-dumping advertising display stand, which aims to solve the problem that the existing display appliances cannot effectively prevent strong winds and change the stress on the display board itself in a timely manner. The problem

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