Well head device for preventing offset wear pumping well

The utility model relates to a well head device of an oil pumping well for preventing deflective abrasion. The utility model comprises a deflection adjusting assembly, a sealing assembly and an oil removing assembly, wherein in the deflection adjusting assembly, a blowout preventing ball is arranged in a hollow spherical crown body of the lower part of a spherical deflection adjusting body, and is sat on a ball seat, a spherical pressing cover is connected with the ball seat by a fixed bolt, a lower sealing ring is arranged between the ball seat and a base seat, and a horizontal pressing cover is connected with the base by screw threads; in the sealing assembly, a first level packing is arranged on a gland in the spherical deflection adjusting body, a second level packing box is arranged on the first level packing, a lower seat of a spring, a spring, an upper seat of a spring, a second level packing and a lower pressing cover are orderly arranged in the second level packing box, two middle sealing rings are arranged at the outer round of the second level packing box, the second level packing box is connected with the spherical deflection adjusting body by screw threads and is positioned by a locating bolt, the upper part of the lower pressing cover is provided with an upper sealing ring, and a lower pressing cap is connected with the second level packing box by screw threads to tighten the upper sealing ring; in the oil removing assembly, a third level packing is arranged in a third level packing box, an upper pressing cover is connected with the third level packing box by screw threads to tighten the third level packing, a lower pressing cap is provided with overflow screw thread holes and an upper pressing cap is connected with the lower pressing cap by screw threads to form a cavity for arranging the oil removing assembly.