Upper cover subassembly and electric pressure cooker

The utility model provides an upper cover subassembly and electric pressure cooker, the upper cover subassembly includes: upper cover body, locking device, transmission and drive arrangement, drive arrangement are connected with uncapping, and the operation is when uncapping, and the relative upper cover body of drive arrangement moves to can cooperate with transmission, rotate in order to drive the relative upper cover body of locking device through transmission, make lid tooth and the pot tooth locking on the electric pressure cooker pot body on the locking device or open, the utility model provides a piece is uncapped with accessory drive and transmission cooperation to upper cover subassembly, operation to make power in proper order through drive arrangement and transmission's transmission, cover the locking of tooth and pot tooth or open with control, this operation of having simplified the product relatively, and this scheme need not to set up outstanding rotatory handle structure and can realize the product and lock, open the function on the product, thus reduced the size of product.