A teaching desk with the function of collecting dust

Abstract

The invention discloses a teaching desk having a dust collection function. The teaching desk includes a door-shaped base; an upper surface of the door-shaped base is fixedly connected to a door-shapedprotection plat; an upper surface of the door-shaped protection plate is fixedly connected to a desktop body; a rectangular groove is formed in the center of an upper surface of the desktop body; four corners of a lower surface of the rectangular groove are fixedly connected to two pairs of electrically controlled telescopic vertical columns having upward telescopic ends; the telescopic ends of the two pairs of electrically controlled telescopic vertical columns are fixedly connected to a book holding plate matching the rectangular groove; a back end of an upper surface of the book holding plate is fixedly connected to a zigzag fixing plate; a back surface of the zigzag fixing plate is fixedly connected to a pair of first circular magnets; two side surfaces of the zigzag fixing plate aremovably connected to a pair of metallic chains; one end of each metallic chain is fixedly connected to a second circular magnet matching the first circular magnet. The beneficial effects of the invention are that the teaching desk is simple in structure and is high in practicability.

Description

technical field [0001] The invention relates to the technical field of teaching supplies, in particular to a teaching desk with the function of collecting dust. Background technique [0002] The teaching desk is a display stand for teachers to carry items when they are teaching. It is generally used to carry textbooks, chalk, teaching items, etc. [0003] Teachers usually teach standing while teaching, and the height of textbook placement is particularly important, which is conducive to improving comfort and effectively displaying teaching models. The teaching desks in the prior art have simple functions and are inconvenient to use. In the process, chalk is generally used to write on the blackboard, and a large amount of dust will be generated during the wiping process of the blackboard eraser, which will affect the health of teachers and students. Therefore, dust collection and air purification are very important, so it is necessary to install this device. Contents of the...

AI Technical Summary

Problems solved by technology

[0003] Teachers usually teach standing while teaching, and the height of textbook placement is particularly important, which is conducive to improving comfort and effectively displaying teaching models. The teaching desks in the prior art have simple functions and are inconvenient to use. During the process, chalk is generally used to write on the blackboard. During the process of wiping the blackboard eraser, a large amount of dust will be generated, which will affect the health of teachers and students. Therefore, it is very important to collect dust and purify the air, so it is necessary to install this device

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