Nozzle for spraying wear-resistant material

The nozzle for spraying the wear-resistant material comprises a nozzle body and a nozzle seat, a fixing hole is vertically formed in the nozzle holder, and the bottom end of the nozzle body is inserted into the fixing hole; a spray hole is vertically formed in the nozzle body; the nozzle body comprises a first connecting piece, a second connecting piece and a third connecting piece. The third connecting piece is located above the first connecting piece, and the third connecting piece is connected with the first connecting piece through the second connecting piece; a first groove is verticallyformed in the outer peripheral surface of the first connecting piece; a through hole is vertically formed in the third connecting piece, a second groove is vertically formed in the second connecting piece, and the through hole is communicated with the second groove; the nozzle holder comprises a first fixing piece and a second fixing piece; the first fixing piece is located below the second fixingpiece. The bottom of the