Detection equipment for external connecting line of electric appliance

The utility model discloses a detection device for an external connecting line of an electric appliance, and particularly relates to the field of connecting line detection equipment, which comprises a base, a support is fixedly mounted at the top of the base, a supporting rod is fixedly mounted on one side of the support, a first fixing frame is slidably connected to the outer side of the supporting rod, and a second fixing frame is hinged to one end of the first fixing frame. The number of the second fixing frames is multiple, every two first fixing frames are arranged in an axial symmetry mode relative to the vertical center line of the support, one side of each first fixing frame is slidably connected with a supporting frame, and one side of each supporting frame is rotatably connected with a first screw rod. According to the utility model, through the arrangement of the second fixing frames, when the diameter of the connecting line is too small, the second fixing frames turn over inwards to fasten the con