Fully-closed water dispenser

The utility model discloses a fully-closed water dispenser and relates to water dispensers used for drinking water. The water dispenser is suitable for occasions such as a family and an office. Currently, water of a water barrel of a publicly-known water dispenser flows out through an intelligent seat on the water dispenser, due to the fact that water in the water barrel makes contact with air for a long time, secondary pollution is generated, the amount of germs exceeds the drinking water standards, and physical health is affected. The fully-closed water dispenser is provided in order to overcome the defects existing in the intelligent seat of the existing water dispenser. A secondary pollution source of the intelligent seat is eliminated through the water dispenser, water in the water barrel can directly flow out through a water valve of the water dispenser, and it is guaranteed that water is clean and fresh. The fully-closed water dispenser is composed of main components of a water dispenser shell body, a water outflow air inflow connecting ring, a sterilization button, a normal-temperature water connecting pipe, a normal-temperature water valve, a hot water valve, a hot water storage device, an inlet valve, a sterilizer, an air inflow connecting pipe, a one-way valve, a multi-path water circulation air inflow connector and a water barrel support.