Blocking tongue device convenient to operate

The tongue blocking device convenient to operate comprises a main meshing tooth plate and two oppositely-arranged erecting rods, adjusting openings are formed in the opposite side walls of the two erecting rods, and the two ends of the main meshing tooth plate are inserted into the adjusting openings in the corresponding positions respectively; the lower ends of the two erecting rods are provided with tongue pressing rubber sheets, and the side walls of the bottom ends of the two erecting rods are provided with pulling and inserting openings. One end of the tongue pressing rubber sheet is inserted into the pulling-inserting opening of the erecting rod on one side, and the other end of the tongue pressing rubber sheet is inserted into the pulling-inserting opening of the erecting rod on the other side. An L-shaped push rod is assembled in the erecting rod, a fixing opening is formed in the side wall of the tongue pressing film, and the end of the L-shaped push rod is inserted into the fixing opening; according