Patent ID: 11958015
Assignee: YUNDA H&H TECH (TIANJIN) CO., LTD.
Field: Chemical engineering (Chemistry)
Classification: CPC B  E  C | IPC B  C

Claim 0:
1. A dual-purpose household water purifier, comprising:
a main unit comprising a pressure bucket and a filter assembly, wherein the pressure bucket comprises a purified water chamber and a tap water chamber, and a partition membrane is arranged between the purified water chamber and the tap water chamber, and the partition membrane deforms to change volumes of the purified water chamber and the tap water chamber, the tap water chamber is in communication with a first channel of a faucet, the purified water chamber is in communication with an outlet of the filter assembly, and the filter assembly filters tap water;
an expansion unit comprising a booster pump;
wherein the main unit is detachably connected to the expansion unit, and when the main unit is connected with the expansion unit, the booster pump pressurizes the tap water entering the filter assembly; and
wherein a tap water source is connected with a second channel of the faucet, the purified water chamber is in communication with a third channel of the faucet, and the faucet is configured to:
upon being closed, connect the first channel with a fourth channel of the faucet, disconnect the first channel from the second channel and close the third channel such that purified water produced by the filter assembly enters the purified water chamber, and the tap water from the tap water source flows along the first channel to the fourth channel and is discharged to a sewer; and
upon being opened, connect the first channel with the second channel, disconnect the first channel from the fourth channel, and open the third channel such that the tap water from the tap water source flows through the second channel and the first channel and enters the tap water chamber, and under action of the tap water in the tap water chamber, the purified water is discharged from an outlet of the faucet along the third channel.