Rotary valve shaft sleeve convenient to install

The utility model discloses a rotary valve shaft sleeve convenient to install. The rotary valve shaft sleeve comprises a sleeve body. An annular groove is formed in the outer wall of the sleeve body.A plurality of axial oil grooves distributed at intervals are formed in the inner wall of the sleeve body, and a plurality of oil filling holes communicated with the axial oil grooves in a one-to-onecorrespondence mode are formed in an annular groove in the outer wall of the sleeve body. A plurality of lifting rings are arranged on the upper end face of the sleeve body. Preferably, the number ofthe axial oil grooves is three, and the axial oil grooves are evenly distributed in the circular inner wall of the sleeve body. Preferably, the number of the lifting rings is two, the lifting rings are semicircular, and fingers of a person can penetrate through the central through hole. And the lifting rings are symmetrically distributed on the upper end surface of the sleeve body. The lifting ring is additionally arranged