Enclosed outdoor high-voltage isolation switch

The invention discloses a closed outdoor high-voltage isolation switch, and relates to the technical field of high-voltage isolation switches, the closed outdoor high-voltage isolation switch comprises a sealing mechanism, by arranging the sealing mechanism, an isolation switch mechanism can be protected, the isolation switch mechanism can be in a sealed environment outdoors, and erosion of wind and rain can be prevented; the high-voltage isolating switch comprises an isolating switch mechanism, a sealing mechanism is arranged on the isolating switch mechanism and can discharge heat generated by the isolating switch mechanism, the sealing mechanism is used for carrying out sealing protection on the high-voltage isolating switch and comprises a sealing shell, supporting legs are fixedly connected to the corners of the lower surface of the sealing shell, and the sealing shell can be placed on the ground due to the arrangement of the supporting legs; through the arrangement of the buffer device, the isolation sw