Multifunctional platform

The utility model relates to a multifunctional platform, the teacher can be put the book on adjustable book device, conveniently looks over. The plectane of frame book device glues on saying the mesa, the upper end of plectane is connected with the drum, the upper end of drum is connected with fastening screw, the round bar is inserted in the drum, rotate the seat and connect the upper end at the round bar, there are two curb plates on the rotation seat, the edge of two curb plates is provided with the jack, it goes into in the jack to insert the stake pocket, the hinge seat is connected in the one side of rotating the seat, the one end of cradling piece is connected on the hinge seat, the other end of cradling piece is connected with the spread groove, the cradling piece is located between two curb plates that rotate on the seat, be connected with the connecting piece on the frame book board, connecting piece and spread groove pass through bolted connection, the lower extreme of frame book board has one to k