Blackboard special for college English

Abstract

The invention discloses a blackboard special for college English. According to the technical scheme, the blackboard special for college English comprises a blackboard body, a cover plate is fixedly connected to the front side of the blackboard body, a dust accumulation box is fixedly arranged at the top of the cover plate, a cleaning mechanism is arranged on the inner side of the cover plate, and a sweeping mechanism is arranged in the dust accumulation box. The cleaning mechanism comprises a sliding rod and a first lead screw, the sliding rod and the first lead screw are both arranged on the inner side of the cover plate, the sliding rod and the first lead screw are sleeved with a sliding block and a threaded block respectively, a connecting plate is fixedly connected between the sliding block and the threaded block, and a supporting plate is fixedly arranged on one side of the connecting plate. A plurality of water outlets are formed in one side of the supporting plate, and wiping cotton is fixedly arranged on one side of the supporting plate. The blackboard has the beneficial effects that a large amount of falling chalk dust is collected in a centralized mode, cleaning is convenient, the teaching environment is prevented from being polluted, the teaching efficiency is improved, meanwhile, the blackboard is cleaned more conveniently and rapidly, meanwhile, the blackboard is cleaned and maintained, and the service life of the blackboard is prolonged.

Description

technical field [0001] The invention relates to the field of teaching tools, in particular to a special blackboard for college English. Background technique [0002] The teaching blackboard does not specifically refer to the black writing board for teaching. In the traditional sense, it is a flat board that can be written repeatedly. The surface of the teaching blackboard is hard and non-reflective. It is used for teaching. The surface of the teaching blackboard is generally made of magnetic color-coated steel plates. , this kind of material has the characteristics of wear resistance, no falling off, no fading, durable, good writing feel, clear writing, easy to write and easy to wipe. [0003] The prior art has the following deficiencies: the existing college English teaching blackboard is just a common board, and a large number of English words will be written during the English teaching process, causing the chalk powder to fall very seriously, and during the English teachi...

AI Technical Summary

Problems solved by technology

[0005] For this reason, the present invention provides a kind of college English special-purpose blackboard, through cleaning mechanism and sweeping mechanism, to solve the very serious that chalk powder falls off, and can write on the blackboard very full in the English teaching process, when wiping all It is troublesome and inconvenient, and there will be traces of powder on the surface of the blackboard, which is very unenvironmental and leads to the problem of low teaching efficiency

Images