Science popularization bulletin board

Abstract

The invention discloses a science popularization bulletin board which comprises two supporting columns, an upper plate, a lower plate, a hidden plate and a ceiling, wherein vertical sliding rails are arranged on the supporting columns; an upper frame is fixedly on the upper edge of the upper plate; ferrule units are arranged at two ends of the upper frame; two sides of the upper plate are respectively assembled on the sliding rail in a sliding mode; a lower frame is fixed on the lower edge of the lower plate; two ends of the lower frame are respectively fixed on the two supporting columns; fixing strips are arranged on the back surface of the lower plate; straight slots are formed in the fixing strips; two ends of a sliding rod which is transversely arranged respectively penetrate through the two straight slots; the upper edge of the hidden plate is fixed on the sliding rod; a transverse roller is arranged on the lower frame; two ends of the roller are rotationally connected to the supporting columns; a transparent adhesive film is rolled on the roller in a sleeving manner; multiple hooks are arranged at the outer end of the transparent adhesive film; multiple fasteners are arranged on the upper frame; the ceiling is fixed on the surface of the top of the supporting columns and is provided with a solar cell panel; and multiple lamp tubes are arranged on the bottom surface of the ceiling. The science popularization bulletin board disclosed by the invention has the beneficial effects that the area of a display panel is increased, and the science popularization bulletin board is protected in a simple mode and can be used at night.

Description

technical field [0001] The invention relates to a display column, in particular to a popular science display column. Background technique [0002] Science popularization is referred to as science popularization, also known as popular science or popular science. Activities that advocate scientific methods, disseminate scientific ideas, and carry forward the scientific spirit. [0003] The daily knowledge of science popularization is welcomed by more and more people. In various public places, science popularization display columns are often set up to popularize various information to the public. However, the size of the display panels of the popular science display columns used to display popular science information cannot be adjusted , sometimes it is difficult to add new popular science content to the original display panel, so it is necessary to develop a popular science display column that can expand the display area, and because the usual popular science display column u...

AI Technical Summary

Problems solved by technology

[0003] The daily knowledge of science popularization is welcomed by more and more people. In various public places, science popularization display columns are often set up to popularize various information to the public. However, the size of the display panels of the popular science display columns used to display popular science information cannot be adjusted , sometimes it is difficult to add new popular science content to the original display panel, so it is necessary to develop a popular science display column that can expand the display area, and because the usual popular science display column uses a glass cover to protect the display panel, it is not suitable Adjustment to display area

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