Toggle switch

The utility model discloses a toggle switch, and belongs to the technical field of switches. The switch comprises a base, a shell, a contact system and a driving mechanism, an opening is formed in one side of the base, the shell is connected with the opening side of the base, a ventilation hole is formed in the shell, a plugging piece is arranged in the ventilation hole, the contact system is arranged in the base and partially extends out of the base, and the driving mechanism is located on the inner side of the shell. The middle of the driving mechanism is movably connected with the shell, one end of the driving mechanism extends into the base and abuts against the contact system, and the other end of the driving mechanism extends out of the shell. After the toggle switch is packaged, air in the switch can be pumped out through the ventilation hole, then inert gas is injected into the switch through the ventilation hole, and finally the ventilation hole is blocked by the blocking piece, so that the switch wo