Universal knob assembly for bracket clamping and perforating

The utility model discloses a universal knob assembly for bracket clamping and perforating, which comprises a knob part, the knob part comprises an upper shell and a lower shell, the upper shell and the lower shell are detachably connected to form the knob part, and the lower shell is provided with a through hole communicated with the interior of the lower shell; and the screw rod part is connected in the through hole, the screw rod part is provided with a head part which is arranged in the lower shell and is used for preventing the screw rod part from being separated from the lower shell, and a limiting structure for preventing the screw rod part from rotating in the circumferential direction is arranged between the screw rod part and the inner wall of the through hole. The universal knob assembly for bracket clamping and perforation is good in universality and simple in production process, and after the threads of the screw part are worn, only the screw part needs to be replaced, and the whole body does not