Portable propaganda display board

Abstract

The invention provides a portable propaganda display board. Aluminum alloy frames are arranged all around board bodies of the display board for popular science propaganda, formed display boards are connected together at ends of the two board bodies through hinges, and a chain which can support and expand the two board bodies into a herringbone structure is arranged between the two board bodies at the other ends of the board bodies which are relative to the hinges. Popular science propaganda words and pictures are pasted on the two board bodies, and the portable propaganda display board can be stably placed as the display board for propaganda after expanded into the herringbone structure while being used, the two board bodies are folded and overlapped to be conveniently carried and stacked when the portable propaganda display board is put away.

Description

technical field [0001] The invention relates to a display board for science popularization, in particular to a portable display board for publicity. Background technique [0002] When conducting science popularization, exhibition boards are often used to paste science-related calligraphy and paintings. Generally, a single exhibition board is used to promote by placing it on the side of a fixed object. This simple exhibition board is very easy to use in actual use. It is difficult to fix at a fixed point, especially in the case of strong winds. Many departments usually use counterweight objects to connect and fix in order to be relatively fixed, but it is not easy to carry and retract after using counterweight objects. Contents of the invention [0003] The purpose of the present invention is to solve the above problems and provide a portable publicity display board, which can be conveniently fixed for use, and convenient for carrying and retracting. [0004] The present i...

AI Technical Summary

Problems solved by technology

[0005] The present invention has the following advantages and effects: through the above-mentioned technical scheme, since one end of the two boards is connected by a hinge to form a whole, and the other end is connected by a chain, when in use, the two boards can be unfolded into a herringbone structure through the hinge and placed , the chain can make the herringbone structure between the two stably connected, and popular science calligraphy and paintings can be pasted on the front of the two boards, thus solving the problem that it is difficult to fix a single board and it is inconvenient to store and carry after adding a counterweight The problem is that the design is scientific and simple, and it is extremely convenient to carry and use

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