Adjustable restraint strap for children

The utility model provides an adjustable restraint strap for children, which comprises a mounting bottom plate, a restraint strap body and a threaded rod, a limit frame and a fixed cushion are respectively fixed on the left side of the upper end of the mounting bottom plate, the left end of the restraint strap body is fixed in the limit frame, and a plurality of strip-shaped cushions are fixed on the left side of the lower end face of the restraint strap body in equal specifications. A strip-shaped slot penetrates through the right side of the middle of the upper end of the mounting bottom plate, the other end of the restraint strap body penetrates through the strip-shaped slot and is located on the right side below the mounting bottom plate, a threaded through groove and a guide hole penetrate through the right side of the upper end of the mounting bottom plate, the lower end of a threaded rod is fixed in an inner ring of a ball bearing, and the lower end of an outer ring of the ball bearing is fixed to the