Anti-blocking type self-overflow grouting pipe for pipe jacking engineering

The utility model relates to an anti-blocking type self-overflow grouting pipe for pipe jacking engineering. The pipe-jacking pipe comprises a pipe body, one end of the pipe body is provided with a spigot, the other end of the pipe body is provided with a socket, the outer wall of the socket is provided with a socket sealing groove, a sealing ring is arranged in the socket sealing groove, and the side wall of the socket and the inner side of the socket sealing groove are provided with a plurality of grouting holes. A bell mouth steel sleeve is further arranged on the bell mouth, the outer end of the bell mouth steel sleeve is flush, the inner edge of the inner end of the bell mouth steel sleeve is provided with an inclined face, the inner wall of the bell mouth steel sleeve does not cover outer ports of the grouting holes or covers part of the outer ports of the grouting holes, the outer wall of the bell mouth steel sleeve completely covers the outer ports of the grouting holes, and a grout overflow gap is fo