Uterus expanding device for obstetrics and gynecology department

The invention relates to the technical field of gynaecology and obstetrics instruments, and provides a gynaecology and obstetrics uterus dilating device which comprises a uterus dilating assembly and a protection assembly, the uterus dilating assembly comprises a fixing plate, a grip, a lower uterus dilating clamp, an upper uterus dilating clamp and a fixing base, and the grip is fixed to the bottom end of the fixing plate. By arranging the fixing structure and moving the fixing frame, the fixing frame drives the protective sleeve to sleeve the outer sides of the upper uterus dilating forceps and the lower uterus dilating forceps, the fixing frame is pushed, under the action of the reserved groove, the fixing frame drives the clamping block to move into the clamping groove, and then the fixing frame and the fixing base are fixed to each other; the protective sleeve is fixed to the outer sides of the upper uterus dilating forceps and the lower uterus dilating forceps, the two ends of the fixing frame are pulle