Blackboard that pupil used

The utility model discloses a blackboard that pupil used, including blackboard body, the blackboard body top is equipped with the horizontal pole, the horizontal pole both ends are equipped with electronic slider, the horizontal pole middle part is equipped with the regulating block, regulating block one side is equipped with around rolling up the ware, be connected with wiper lip around rolling up the ware outside, blackboard body surface both sides all are equipped with the slide rail, the blackboard body bottom is equipped with places the board, it is equipped with control button to place board one side, control button one side is equipped with the power supply mouth, the blackboard body both ends all are equipped with the spout, the spout inboard is equipped with the pulley, the arm -tie is stretched to inside being equipped with of spout. The utility model discloses, reasonable in design is novel, can replace the manual work to clean the blackboard, reduces the time of cleaning the blackboard on the clas