Hinge safety system for upturning folding door

The utility model provides a hinge safety system for an upturning folding door, which comprises a hinge assembly, the hinge assembly is connected with a power connecting mechanism, the power connecting mechanism comprises a power source and a transmission assembly, the transmission assembly is provided with a safety assembly, the safety assembly comprises a safety tooth, a safety rod and an elastic piece, and the transmission assembly comprises a telescopic rod group and a main connecting rod group. The main connecting rod set is hinged to the power source and the telescopic rod set, the two elastic ends of the elastic piece are connected to the main connecting rod set and the safety rod respectively, and the safety rod rotates around the hinge point of the main connecting rod set along with the main connecting rod set when the folding door body is rapidly opened. Meanwhile, the swinging end of the safety rod deflects relative to the main connecting rod group and is clamped on a tooth groove of the safety too