Detergent delivery device and washing machine

A detergent delivery device, comprising:

• a water box;
• a liquid storage box for accommodating detergent, the liquid storage box installed in the water box;
• a check valve for controlling opening and closing of the liquid storage box is installed at a junction of the liquid storage box and the water box and configured to allow a detergent to be drawn into a flow channel of the water box, the check valve includes a liquid inlet and a liquid outlet that are perpendicular to each other, the liquid inlet communicates with the liquid storage box;
• a one-way non-return valve installed at the liquid outlet, wherein an inner side wall of the water box is provided with a boss protruding towards an inside of the water box and extending along an axial direction of the water box, an upper surface of the boss is a supporting surface, the liquid storage box is arranged on the supporting surface of the boss and is configured to be pulled along an extension direction of the supporting surface, the boss includes a notch penetrating through the supporting surface, so that water on the supporting surface flows into the water box through the notch.

A washing machine, comprising:

• a detergent delivery device, the detergent delivery device including:
• a water box;
• a liquid storage box for accommodating detergent, the liquid storage box installed in the water box;
• a check valve for controlling opening and closing of the liquid storage box is installed at a junction of the liquid storage box and the water box and configured to allow a detergent to be drawn into a flow channel of the water box, the check valve includes a liquid inlet and a liquid outlet that are perpendicular to each other, the liquid inlet communicates with the liquid storage box;
• a one-way non-return valve installed at the liquid outlet, wherein the liquid storage box is provided with a water inlet chamber, a cover plate is provided with a water inlet flow channel configured to inject water into the liquid storage box, and the water inlet flow channel communicates with the water inlet chamber.