Seat seal sealing device for double-seal high-temperature rod type pump

The utility model relates to the technical field of oil exploitation equipment, in particular to a double-seal high-temperature rod type pump seat seal sealing device. The device comprises a setting assembly and a sealing assembly, the setting assembly comprises an upper connector and a setting connector, the outer wall of the lower end of the upper connector is connected with the setting connector, a setting ring is installed on the step face of the inner wall of the setting connector, the upper end of the setting ring is pressed and fixed through the lower end face of the upper connector, and a setting inclined face is arranged on the inner side of the setting ring. And the inner wall of the lower end of the setting joint is connected with the II-stage sealing sleeve. The sealing device is reliable in seat seal locking, good in sealing effect, safe and reliable in use, high-temperature-resistant in sealing and suitable for high-temperature gas injection wells. The defects that in an existing high-temperatur