Multifunctional lifting type teaching blackboard

Abstract

The invention discloses a multifunctional lifting teaching blackboard, which comprises a base, a support column and a blackboard body; the support columns are symmetrically fixed on both sides of the base, the support columns include a first support column and a second support column, and the The support column is inserted in the first support column and can move up and down; a drive chamber is connected between the first support columns on both sides, and a transmission mechanism is provided in the drive room to drive the second support columns on both sides to move synchronously; the blackboard body The connecting block is fixed between the second connecting columns on both sides. The blackboard body is provided with a shielding sheet placement frame that can move in all directions, and the shielding sheet placement frame is made of transparent material; the bottom of the blackboard body is fixed with an ash collecting tank. The invention can realize the synchronous contraction of the supporting columns on both sides of the blackboard, and at the same time, it is provided with an ash collecting tank to protect the environment; it can also assist the memorization of English words.

Description

technical field [0001] The invention relates to a teaching equipment, in particular to a multifunctional lifting teaching blackboard. Background technique [0002] With the further improvement of the pace of reform and opening up and the further development of the economy, the country is paying more and more attention to education, and various new teaching aids emerge in an endless stream, especially in the application of multimedia teaching. Although the blackboard is a traditional teaching tool , but is still widely used. [0003] The outdoor teaching blackboard is a kind of teaching equipment designed for outdoor teaching. There are many outdoor teaching blackboards on the market. Most of these blackboards have the following problems: the height cannot be adjusted, and the dust falling from the blackboard will cause environmental damage. Pollution; At the same time, most of the existing blackboards can only provide writing functions, and their functions are relatively si...

AI Technical Summary

Problems solved by technology

[0003] The outdoor teaching blackboard is a kind of teaching equipment designed for outdoor teaching. There are many outdoor teaching blackboards on the market. Most of these blackboards have the following problems: the height cannot be adjusted, and the dust falling from the blackboard will cause environmental damage. Pollution; at the same time, most of the existing blackboards can only provide writing functions, and their functions are relatively single

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