The utility model belongs to the technical field of household appliances, and discloses a consumable feeding device which comprises a
liquid storage box, a liquid adding box and a
peristaltic pump. The liquid adding box is connected with the
liquid storage box, a liquid inlet is formed in the side, facing the
liquid storage box, of the liquid adding box, a liquid outlet correspondingly communicated with the liquid inlet is formed in the other side of the liquid adding box, and a one-way valve is installed between the liquid inlet and the liquid outlet; the
peristaltic pump is provided with a liquid pumping port and a liquid
spitting port, the liquid pumping port is communicated with the liquid storage cavity, and the liquid
spitting port is communicated with the liquid inlet; the liquid adding box is provided with a flushing channel, one end of the flushing channel is formed in the side, away from the liquid storage box, of the liquid adding box, and the other end of the flushing channel communicates with the upper portion of the one-way valve. By arranging the
peristaltic pump, the one-way valve and the flushing channel,
consumables mainly flow in the
silicone tube and are flushed by spraying liquid at an outlet of the one-way valve, the device is suitable for throwing of various
consumables with different characteristics, liquid discharging smoothness is guaranteed, the
failure rate is reduced, and the service life is prolonged.