A blackboard with a mobile chalk storage box

Abstract

The invention discloses a blackboard with a mobile chalk placement box. The blackboard comprises a blackboard main body and a main box body, wherein an extending trough body extending forwards is formed in the front wall surface of the bottom of the blackboard main body; the main box body comprises an upper box body and a lower box body; the upper box body and the lower box body are fixedly connected with each other through a bolt; a chalk placement groove is formed in the top surface of the upper box body; a plurality of through holes are formed in the bottom surface of the chalk placement groove; a connection bent part is fixed on the rear side wall of the upper box body; the rear end of the connection bent part is provided with a downwards extending bent plate part; the bent plate part is plugged into the extending trough body; the front wall plate of the extending trough body is plugged into a position, between the bent plate part and the upper box body, in the trough body; and a plurality of ball head plungers are screwed on the inner side wall of the front wall plate of the extending trough body. The blackboard with the mobile chalk placement box is provided with the detachable main box body, so that chalks can be placed in the main box body; meanwhile, dust produced by the chalks can be sucked and collected, so that dust blowing is greatly relieved, and the effect is good; and therefore, the influence on the health of a user is reduced.

Description

Technical field: [0001] The invention relates to the technical field of teaching tools, in particular to a blackboard with a movable chalk placement box. Background technique: [0002] In the existing teaching, chalk etc. are generally placed in the chalk trough of the blackboard or in the chalk box of the podium. For the chalk placed in the chalk trough, it will accumulate dust in the chalk trough, so that when the outside world When the chalk groove is blown by wind, the dust of the chalk will be blown up, causing the user to inhale and affect health. Invention content: [0003] The purpose of the present invention is to address the deficiencies of the prior art, and provide a blackboard with a movable chalk placement box, which has a detachable main box body, on which chalk can be placed, and the dust produced by the chalk can be absorbed and collected , Greatly reduce the blowing of dust, the effect is good, thereby reducing the impact on the user's body. [0004] Te...

AI Technical Summary

Problems solved by technology

[0002] In the existing teaching, chalk etc. are generally placed in the chalk trough of the blackboard or in the chalk box of the podium. For the chalk placed in the chalk trough, it will accumulate dust in the chalk trough, so that when the outside world When the wind blows the chalk tank, the chalk dust will be blown up, causing users to inhale it and affect their health

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