Self-locking rocker switch

The utility model relates to a self-locking ship-shaped switch, which comprises a button cap, an upper shell and a lower shell, the upper shell is connected with the button cap, the lower end of the button cap is connected with a poke rod, the poke rod is in linkage connection with a driving piece, one end of the driving piece far away from the button cap is in linkage connection with a movable contact piece, and the other end of the driving piece far away from the button cap is in linkage connection with the movable contact piece. The two ends of the movable contact piece are provided with movable contacts, a static contact is formed on the lower shell, and the poke rod drives the driving piece to enable the movable contacts and the static contact to be disconnected or connected. According to the utility model, the driving member is arranged in the inner cavity to realize stable and reliable connection with the fluctuation rod, the swing assembly is arranged in the inner cavity of the driving member, linkage