Dispensing unit

A dispensing unit, particularly suitable for a liquid container, comprising: - an air pump with an air cylinder and an air piston, wherein an air 5 chamber is defined between the air cylinder and the air piston; - a liquid pump with a liquid cylinder and a liquid piston, wherein a liquid chamber is defined between the liquid cylinder and the liquid piston; - an axially displaceable activating element for activating the pumps; - a mixing chamber for mixing air from the air pump and liquid from 10 the liquid pump; - supply-closing means for closing air supply to the air pump; and - discharge-closing means for closing air discharge from the air pump to the mixing chamber, characterized in that the air piston and the liquid piston are movable in axial direction relative to the activating element in 15 order to form the supply and discharge-closing means for air; and having a base part connected to one of the air cylinder and the liquid cylinder, wherein a locking mechanism for locking the activating element in an axial direction is arranged between the activating element and the base part. CO It Ln C"i ry") rU ry-) Lr) ry) co m C"i