Environment-friendly gas-insulated miniaturized solid-sealed polar pole

The utility model discloses an environment-friendly gas-insulated miniaturized solid-sealed polar pole which comprises a shell, and a vacuum arc-extinguishing chamber, an upper outgoing line and a lower outgoing line which are arranged in the shell, the vacuum arc-extinguishing chamber comprises a static end and a moving end which are located at the two ends, a groove is formed in the end face where the static end is located, and the static end is located in the groove; the static end is connected with an upper outgoing line, and the moving end is connected with a lower outgoing line through flexible connection. An external thread is arranged on the surface of the static end, an internal thread is arranged in the butt joint end of the upper outgoing line and the static end, the static end and the upper outgoing line are connected in a matched mode through the threads, and the butt joint end is inserted into the groove and makes contact with the groove to achieve circumferential positioning. According to the u