Multifunctional protective sealing prefabricated part of through-wall pipe

The utility model discloses a multifunctional protective sealing prefabricated part of a through-wall pipe, which comprises a concrete outer shell and two inner shells located in the concrete outer shell, the two inner shells are arranged on the same horizontal plane and are arranged in a mirror image mode, a pipeline is contained in cavities of the two inner shells, the pipeline is sleeved with symmetrically-arranged pipe hoops, and the pipe hoops are connected with the concrete outer shell. And the pipe hoop is connected with the inner shell through a connecting piece. The assembly type composite pipe has the advantages that an assembly type combination mode is adopted, the high-performance concrete outer shell mainly plays a role in supporting a wall body, the inner shell and the wall body can be built together according to the reserved pipeline hole position, the inner shell is embedded into the outer shell before pipe penetrating, the rubber pad enhances the sealing effect, the inner shell is filled with