Pot cover

The utility model relates to the technical field of drinking water equipment, and provides a pot cover which comprises a body, a movable cover, an energy storage part and a clamping and locking part. The body is provided with an opening. The movable cover is used for covering the opening; the energy storage piece is connected with the body and the movable cover. The clamping and locking piece is arranged on the body and used for clamping and locking the movable cover; when the clamping and locking piece clamps and locks the movable cover, the movable cover covers the opening, and the energy storage piece is pressed to store potential energy. When the clamping and locking piece unlocks the movable cover, the energy storage piece can stretch to release potential energy and drive the movable cover to open the opening. According to the pot cover, the movable cover can be clamped and locked or unlocked and released through the clamping and locking piece, the heat preservation function or the heat dissipation funct