Water pipe assembly and beverage dispenser

The utility model discloses a water pipe assembly and a beverage dispenser. The water pipe assembly comprises a main water pipe, a pressure relief water pipe and a one-way valve. The main water pipe is used for allowing a solution for preparing the beverage to pass. The main water pipe comprises a water inlet pipeline, a water outlet pipeline and a middle pipeline. The water inlet pipeline is used for introducing a solution into the main water pipe. The water outlet pipeline is used for enabling the soluble base to flow out of the main water pipe and comprises at least one water outlet. And the middle pipeline is connected between the water inlet pipeline and the water outlet pipeline. And the pressure relief water pipe is connected between the water outlet pipeline and the water inlet pipeline. The one-way valve is arranged on the pressure relief water pipe and is configured to enable liquid in the pressure relief water pipe to only flow from the water outlet pipeline to the water inlet pipeline. Wherein the