Noise-proof drilling equipment for building construction

The utility model discloses anti-noise drilling equipment for building construction, which comprises a holding hand tool, a rotating machine head is arranged on one side of the holding hand tool, a drilling tool is arranged on the rotating machine head, an inserting groove is arranged outside the rotating machine head, a sealing sleeve is inserted in the inserting groove, the sealing sleeve is a cavity shell with a partial conical structure, and the rotating machine head and the drilling tool are arranged on the rotating machine head. The tail part of the sealing sleeve is connected with an insertion pipe; the utility model relates to the technical field of anti-noise drilling equipment, and in the anti-noise drilling equipment for building construction, the drill bit is wrapped by the telescopic sleeve which is coaxially arranged with the drill bit, so that noise generated when the drill bit drills into a wall surface cannot be transmitted outwards; meanwhile, a supporting rod and a sleeve which are fixed ba