Reusable pre-buried casing pipe
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The utility model belongs to the technical field of high-rise building construction, and particularly relates to a reusable pre-buried casing pipe. The reusable pre-buried casing pipe is characterized by comprising a casing pipe body and a supporting rod; one side of the pipe wall of the casing pipe body is cut open in an axial direction; a baffle is arranged at a position of a cutting opening inside the casing pipe body, and fixedly connected with only one edge of the cutting opening; the supporting rod is arranged in the casing pipe body in a radial direction, and the length of the supporting rod is equal to the inner diameter of the casing pipe body; one end of the supporting rod is movably connected with the inner wall of the casing pipe body, and a connecting point is close to the position of the cutting opening and positioned on one side fixedly connected with the baffle; a limiting baffle rib is further arranged on the inner wall of the casing pipe body, and fixed to a position rightly opposite to the connecting point; the other end of the supporting rod falls on the limiting baffle rib. The pre-buried casing pipe is easy to pull out after concrete is molded by pouring, can be reused, improves the labor efficiency greatly, lowers the cost, and is simple in structure and convenient to use.