Household water purifying and drinking machine with water inlet pressure stabilizing device

The utility model discloses a household water purifying and drinking machine with a water inlet pressure stabilizing device, and relates to the technical field of water purifying equipment manufacturing. Comprising a water inlet, an electromagnetic valve I, a pressure stabilizing system, a pretreatment system, a booster pump, an electromagnetic valve II, a reverse osmosis membrane filtration system, a high-pressure switch, a purified water pressure barrel, a rear antibacterial filter element system, a rear ultraviolet sterilization system, a purified water outlet, a reflux ratio, a concentrated water outlet and a PLC (Programmable Logic Controller) control system which are connected in sequence. The pressure stabilizing system is arranged at the water inlet of a traditional household water purifying and drinking machine, the water purifying and drinking machine has the functions of buffering and adjusting water inlet pressure and preventing explosion and water leakage, dead water in the water purifying and dr