To provide a switch structure capable of improving its durability and reducing its size.

This switch mechanism is provided with a contact formating member 10 provided with a fixed contact 13, an elastic short-circuit member 20 provided with a movabvle contact 25 arranged on the contact formating member 10 through a predetermined clearance and comes into contact with the fixed contact 13 at the predetermined position, and a slide pressing member 40 provided on the elastic short-circuit member 20 through an insulation member 30, pressing the movable contact 25 of the elastic short-circuit member 20 to about it on the fixed contact 13.