Grouting pipe not prone to being blocked

The utility model discloses a grouting pipe not easy to block, which relates to the technical field of grouting pipes and comprises an inner pipe and an outer pipe, the outer pipe is sleeved on the outer side of the inner pipe and is rotatably connected with the inner pipe, a plurality of grouting holes I are formed in the outer pipe along the length direction of the outer pipe, and a plurality of grouting holes II corresponding to the grouting holes I are formed in the inner pipe along the length direction of the inner pipe. A plurality of containing grooves are formed in the inner pipe in the length direction of the inner pipe, the inner pipe is fixedly connected with a plurality of spring pins located in the containing grooves, a plurality of sliding grooves communicated with the containing grooves are formed in the inner wall of the outer pipe, and first chutes are communicated between the first grouting holes and the corresponding sliding grooves. The grouting device has the effect that the grouting hole