Water cushion placing device for sickbed

The invention discloses a water cushion placing device for a sickbed, and relates to the technical field of medical instruments, the water cushion placing device comprises a main board and a shell arranged above the main board, a lifting assembly and a discharging assembly are arranged in the shell, and a cleaning assembly and a disinfection assembly are further arranged in the shell; the lifting assembly is connected with a supporting mechanism used for supporting a patient. The two supporting plates can slowly ascend at a constant speed under the action of the follow-up lifting assembly, so that the body of a patient is locally lifted; after lifting is completed, the electric sliding block can move in the bottom sliding groove, so that the pulling rope is used for pulling the water cushion, and the water cushion is pulled to the position under the lifting part of the patient; when the movable sliding block moves to the tail end of the bottom sliding groove, the abutting rod abuts against the arranged rollin