Plug -type green board of whiteboard combination unilateral

The utility model discloses a plug -type green board of whiteboard combination unilateral, including fixed plate, green board and controller, the push rod motor is installed to the upper end both sides of fixed plate, the mid -mounting of fixed plate has the bracing piece, the one end fixed mounting of bracing piece has the gear, the shrink pole is installed to the lower extreme both sides of fixed plate, green board installs the one side at the fixed plate, green board's back upper end is connected with the output of push rod motor, green board's back both sides middle part is provided with the tooth's socket, the lower extreme and the one end of shrink pole at the green board back are connected, the gyro wheel is installed to green board's inside both sides lower extreme, install the dust -separation area on the gyro wheel, the inside fly leaf that is provided with of green board, the both sides of fly leaf and the both ends fixed connection in dust -separation area, green board is inside to install the suc