Embedded small-degree wire pipe joint

The utility model discloses a pre-embedded small-degree line pipe joint which is characterized in that a body of the pre-embedded small-degree line pipe joint comprises a pipe wall which is formed into a whole in an injection molding mode, and at least one through pipe protection cavity is formed in the pipe wall; the changed angle value of the tube protecting cavity is less than 45 degrees; the protective tube cavity comprises a protective tube cavity part (3) and a pre-embedded line tube interface end (5); one part of the pipe protection cavity part (3) is pre-buried on the floor surface to serve as a wire pipe connector when the part, exposed out of the floor surface, of the wire pipe connector is not damaged, and the other part of the pipe protection cavity part (3) is pre-buried in the floor to serve as a standby connector when the part, exposed out of the floor surface, of the wire pipe connector is damaged. In a building pre-embedding project, by using the fitting, the subsequent pipe connection can be