Sliding sleeve formula spray gun

The utility model relates to a sliding sleeve formula spray gun has solved the current integration new technology of original spray gun incompatibility and has carried out the problem that the bridging plug used. It is concrete including top connection, spray gun body, sliding sleeve and lower clutch, top connection, spray gun body and lower clutch pass through the screw thread to be connected in order, and the upper portion of spray gun body wall is equipped with the jet orifice, and the lower part of spray gun body wall is equipped with the cotter hole, in spray gun body was arranged in to the sliding sleeve, through shearing pin nail fixed connection, the outer wall of sliding sleeve covered the jet orifice on spray gun body upper portion between the two, installation nozzle in the jet orifice, the sliding sleeve walks to the bottom along the lower clutch inner wall under, and the lower terminal surface of sliding sleeve is sat in the lower port of lower clutch, jet orifice and spray gun body inner chamber