Teaching blackboard

Abstract

The invention discloses a teaching blackboard. The teaching blackboard comprises a blackboard body. A first writing board and a second writing board are arranged at the two ends of the blackboard bodycorrespondingly. First U-shaped sliding grooves are fixedly formed in the bottom end in the blackboard body, sliding strips are fixedly arranged at the bottom end of the first writing board and the bottom end of the second writing board correspondingly, and the first U-shaped sliding grooves are in sliding connection with the sliding strips. Grooves are formed in the bottom of one side of the first writing board and the bottom of one side of the second writing board. Second U-shaped sliding grooves are fixedly formed in the two inner side walls of the grooves. Through the arranged first writing board and the arranged second writing board, the function that when a teacher gives a lesson and the blackboard space is limited, the enough writing space is provided is achieved; through cooperation of an arranged first limiting block and an arranged second limiting block, the function of limiting the positions of the first writing board and the second writing board is achieved; through arranged first bolts, the function of fixing the first writing board and the second writing board is achieved; and through cooperation of the arranged sliding strips and the arranged first U-shaped slidinggrooves, the first writing board and the second writing board are convenient to move.

Description

technical field [0001] The invention relates to the technical field of teaching equipment, in particular to a blackboard for teaching. Background technique [0002] At present, the blackboards used in classrooms are used for classroom teaching and writing. However, the existing blackboards are fixed in structure, mostly fixed to the wall, and cannot be adjusted and moved in height. Not only is it inconvenient for teachers to write, but it is also extremely inconvenient to carry. , at the same time, because the size of the blackboard is fixed, if it is too large, it will occupy the classroom area, if it is too small, it will not be enough for teachers to write, so the learning time of students will be reduced, resulting in low learning efficiency, so we improve this and propose a teaching Use a blackboard. Contents of the invention [0003] In order to solve the defects in the prior art that the blackboard is not easy to move and the height is difficult to adjust, which wi...

AI Technical Summary

Problems solved by technology

[0003] In order to solve the defects in the prior art that the blackboard is not easy to move and the height is difficult to adjust and will affect the learning efficiency of students, the present invention provides a blackboard for teaching

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