Explosion-proof safety type power capacitor

The explosion-proof safety type power capacitor comprises a shell; an isolation mechanism is installed in the shell, a sealed core installation groove is formed in the bottom of the isolation mechanism, a core is installed in the core installation groove, and the core is electrically connected with a pin. The isolation mechanism comprises an outer ring body and a rubber sealing body; a rubber sealing body is arranged in the outer ring body, the outer ring body is assembled on the top of the core, the outer ring body is attached to the inner wall of the shell, an upper contact piece is arrangedon the top face of the rubber sealing body, a lower contact pipe is arranged on the bottom face of the rubber sealing body, and the pin is movably inserted into the lower contact pipe. The lower contact tube is electrically connected with the upper contact piece; according to the utility model, a movable insertion mode is adopted, and when the rubber sealing body bulges upwards to a certain extent, the lower contact tube