Multifunctional classroom blackboard
A multi-functional, classroom technology, applied to blackboard or slate cleaning devices, reusable writing boards, printing, etc., can solve problems such as single function, difficult handling, and inconvenient use, so as to increase flexibility and improve teaching Efficiency and workload reduction effect
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[0017] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0018] see Figure 1-4 , an embodiment provided by the present invention: a multifunctional classroom blackboard, comprising a board frame 1, a board surface 2 and a telescopic device 12, blowing nozzles 3 are installed at the left and right ends of the board frame 1, and blowing nozzles 3 are installed below the blowing nozzles 3 Dryer 4, suspension device 9 is installed on the top of plate frame 1, threaded nail 10 is installed on the inside of suspension de...
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