A terminal socket structure, comprising: a terminal socket body, having at least one screw combining part and a plurality of baffles, wherein the baffles are disposed to at least two sides of the at least one screw combining part; a terminal cover, fit with the terminal socket body and having a cornice part and a top part, wherein at least one through hole is disposed on the top part, and the at least one through hole corresponds to the at least one screw combining part; at least one screw and at least one screw gasket, wherein the at least one screw is screw-connected to the at least one screw combining part through the at least one screw gasket; and a fixing pin, disposed to a side of the terminal socket body opposite to the screw combining part, wherein: at least one position limiting part is disposed to an outer circumference of the screw gasket, a first rib part is disposed to an inner side of the cornice part of the terminal cover in correspondence with at least one side of each of the at least one screw combining part, and the first rib part is fit with at least one of the at least one position limiting part, the terminal socket structure being characterized in that a second rib part is disposed to at least one side of the baffle, and the second rib part is fit with at least one of the at least one position limiting part, wherein the at least one screw gasket is in a rectangular shape, the position limiting part is disposed to each of four sides of the at least one screw gasket, the first rib part is disposed to the inner side of the cornice part of the terminal cover in correspondence with each of two sides of each of the at least one screw combining parts, the first rib parts are fit with two of the position limiting parts, the second rib part is disposed to each of two sides of the baffle, and the second rib parts are fit with the other two of the position limiting parts. and wherein the baffle is disposed to each of two opposite sides of the one screw combining part. a terminal socket body, having at least one screw combining part and a plurality of baffles, wherein the baffles are disposed to at least two sides of the at least one screw combining part; a terminal cover, fit with the terminal socket body and having a cornice part and a top part, wherein at least one through hole is disposed on the top part, and the at least one through hole corresponds to the at least one screw combining part; at least one screw and at least one screw gasket, wherein the at least one screw is screw-connected to the at least one screw combining part through the at least one screw gasket; and a fixing pin, disposed to a side of the terminal socket body opposite to the screw combining part, wherein: at least one position limiting part is disposed to an outer circumference of the screw gasket, a first rib part is disposed to an inner side of the cornice part of the terminal cover in correspondence with at least one side of each of the at least one screw combining part, and the first rib part is fit with at least one of the at least one position limiting part, the terminal socket structure being characterized in that a second rib part is disposed to at least one side of the baffle, and the second rib part is fit with at least one of the at least one position limiting part, wherein the at least one screw gasket is in a rectangular shape, the position limiting part is disposed to each of four sides of the at least one screw gasket, the first rib part is disposed to the inner side of the cornice part of the terminal cover in correspondence with each of two sides of each of the at least one screw combining parts, the first rib parts are fit with two of the position limiting parts, the second rib part is disposed to each of two sides of the baffle, and the second rib parts are fit with the other two of the position limiting parts. and wherein the baffle is disposed to each of two opposite sides of the one screw combining part. at least one position limiting part is disposed to an outer circumference of the screw gasket, a first rib part is disposed to an inner side of the cornice part of the terminal cover in correspondence with at least one side of each of the at least one screw combining part, and the first rib part is fit with at least one of the at least one position limiting part, the terminal socket structure being characterized in that a second rib part is disposed to at least one side of the baffle, and the second rib part is fit with at least one of the at least one position limiting part, wherein the at least one screw gasket is in a rectangular shape, the position limiting part is disposed to each of four sides of the at least one screw gasket, the first rib part is disposed to the inner side of the cornice part of the terminal cover in correspondence with each of two sides of each of the at least one screw combining parts, the first rib parts are fit with two of the position limiting parts, the second rib part is disposed to each of two sides of the baffle, and the second rib parts are fit with the other two of the position limiting parts. and wherein the baffle is disposed to each of two opposite sides of the one screw combining part.