The utility model discloses a special safety belt device for an electric
wheelchair, which belongs to the field of
wheelchair safety protection and comprises a waistband arranged on the front side of a
wheelchair backrest and a
chest protector, the
chest protector is connected with the wheelchair backrest through four straps, the two straps on one side are fixedly connected with the wheelchair backrest, and the two straps on the other side are fixedly connected with the wheelchair backrest. The two straps on the other side are movably connected with the wheelchair backrest; the
protection mechanism comprises a shell, a sliding groove is formed in the shell, balls are arranged in the sliding groove in a rolling mode, the sliding groove extends to the opposite side wall from one side of the bottom of the shell, a sliding pin is arranged at the
tail end of one side of the side wall of the sliding groove in a penetrating and sliding mode, and a
pressure sensor is arranged on the side, located in the sliding groove, of the sliding pin. A safety device is arranged on the side, away from the sliding groove, of the sliding pin and connected with a fixing device, an air bag is arranged in the fixing device, and an
air pump connected with the air bag is arranged in the shell. According to the utility model, the air bag in the shell is used for protecting a wheelchair rider when the wheelchair topples over.