Geometry cross section demonstration device

The utility model discloses a geometry cross section demonstration device. Box body, a handle is arranged at the top end of the box body; a mounting base is arranged on one side in the box body; an electric push rod is mounted at the top end of the mounting base; supporting columns are connected to the two sides of the electric push rod; a push block is mounted at the top end of the electric pushrod; the top end of the push block is connected with a short connecting rod; the top end of the supporting column is connected with a long connecting rod; the top ends of the long connecting rods areconnected with triangular connecting rods; according to the utility model, the electric push rod, the push block and the clamping jaw are arranged; the transparent geometric object for teaching can beclamped; section teaching can be seen without manual operation, a liquid section method is not used, operation is easy and convenient, the device is convenient to carry through the arranged handle and universal wheels, teacher