Beverage preparation machine and be used for water supply interface arrangement of beverage preparation machine

The utility model relates to a water supply interface arrangement (10), it designs to become to be used for and is not connected to beverage preparation machine (100) with closed water receptacle (20) fluid intercommunication ground and detachably, and the interface arrangement that should supply water includes: be suitable for the admittance mechanism (1) neck (20a), that have screw thread portion (1a) that accepts closed water receptacle (20), distribution device (2) including fluid valve mechanism (3), this fluid valve mechanism distributes water to the water dump valve (3a) of beverage preparation machine and is used for the pressure -compensated valve (3b) at the inside vacuum pressure of the in -process equilibrium water container (20) that divides the water distribution from the water receptacle from water receptacle optionally including designing, wherein fluid valve mechanism (3) is located the outside of acceptting mechanism (1), so that when the water receptacle be connected to when acceptting mech