Laundry lifting device for washing machine and drum washing machine

A laundry lifting device for a washing machine, comprising:

• a body, comprising a lifting shell being internally provided with an open cavity, and a lifting base body detachably mounted on an open end of the open cavity of the lifting shell to form an accommodating chamber;
• a water inlet, arranged in the body and communicated with the accommodating chamber;
• and
• a centrifugal drainage assembly, arranged in the accommodating chamber, and configured to be arranged on an inner wall of an inner drum of a washing machine, wherein,
• the initial state of the centrifugal drainage assembly is a closed state, and the centrifugal drainage assembly is opened for drainage under the action of centrifugal force;
• and
• the centrifugal drainage assembly comprises a centrifugal piece comprising a connecting part and a balance weight part, a sealing plunger capable of doing reciprocating motion and an elastic piece used for elastically resetting the sealing plunger,
• a plunger base used for installing the sealing plunger is arranged on the lifting base body, the lifting base body is provided with a plunger hole used for allowing the sealing plunger to penetrate out of the accommodating chamber, a plunger channel is formed in the plunger base, and the sealing plunger is arranged in the plunger channel and capable of doing reciprocating motion and the elastic piece is kept limited in the plunger channel in the reciprocating motion of the sealing plunger,
• one end of the connecting part is connected with the balance weight part, another end of the connecting part is rotatably connected with the sealing plunger, and a middle of the connecting part is rotatably mounted on the plunger base to form a lever structure.