Anti-overload temperature control protection switch of electric water heater

The utility model belongs to the field of water heaters, particularly relates to an anti-overload temperature control protection switch of an electric water heater, and aims to solve the problems that water vapor is easy to permeate into a conventional switch, internal electronic elements are easy to corrode, switch short circuit is caused, and potential safety hazards are caused. The device comprises a protective shell and a knob switch fixedly installed in the protective shell, a supporting frame is clamped to a hole in the left side of the bottom of the protective shell, a drying agent is bonded in the supporting frame, a pulley block is bolted to the top end of the supporting frame, and a connecting rope is slidably connected to the interior of the pulley block; one end of the connecting rope is in bolted connection with the interior of the protective shell, the adjusting mechanism drives the rack to move, the rack drives the pinion to drive the winding wheel to rotate, and the winding wheel drives the su