Open and close cover of novel electric pressure cooker

The utility model relates to the novel cover opening and closing device of an electric pressure cooker, which consists of a fastening lever (1), a fastening lever seat (2), a fastening lever spring (3), a fastening position (4) and a striking slide block (5). The striking slide block drives a cooker cover to rotate to and fro at a certain angle, a rotating shaft on the fastening lever is installed on the fastening lever seat, and the function of the fastening lever spring ensures that the fastening lever can return to the original position. Rhombic slide blocks are formed on the top of the fastening lever and the lower end of the striking slide block at the same time, when the striking slide block drives the cooker cover to rotate from a fastening state to an opening state, the back side of the rhombic slide block on the striking slide block interacts with the front side of the rhombic slide block on the fastening lever, so that the fastening lever is separated from the fastening position, and therefore the c