The coffee machine structure (1) with high flexibility of use has multiple accessoiries (3) for the realisation of different types of hot drinks and support means (4) of said accessoiries, each accessory (3) comprising a collecting chamber (5) adapted to be movably connected, throughhydraulic seal means (6) , with the external hot water/steam dispenser nozzle (2) , the collecting chamber (5) having at least one input line (7) of the hot water or steam coming from the dispenser (2) and one output line (8) of the hot water, positioned in a manner adapted for the optimal treatment of the product wich realises the different types of hot drinks.