Semi-grouting sleeve

The utility model discloses a semi-grouting sleeve. A semi-grouting sleeve is characterized in that the semi-grouting sleeve comprises a semi-grouting sleeve straight section body and a twisted steel bar insertion head body, the semi-grouting sleeve straight section body comprises a field assembly end, a prefabricated end, a slurry inlet and a slurry outlet, and internal threads are arranged on the inner surface of the end portion of the prefabricated end of the semi-grouting sleeve straight section body; the threaded steel bar inserting head body is provided with a threaded steel bar inserting end and a connecting section, and the outer surface of the connecting section of the threaded steel bar inserting head body is provided with external threads matched with the internal threads on the inner surface of the prefabricated end of the semi-grouting sleeve straight section body. The twisted steel is inserted into the head body and is in threaded connection with the internal thread on the inner surface of the p