Button mandril and explosion-proof button

The invention discloses a button mandril and an explosion-proof button. The button mandril comprises a first inner shell and a second inner shell which are fixedly connected to form a cavity; a pressure lever, a first support, a first spring, a moving contact, a second support and a second spring are arranged in the cavity from the top down, and the pressure lever is extended out of the first inner shell; two wire connecting terminals are arranged outside the cavity, and are respectively positioned on two opposite sides of the first inner shell; and each wire connecting terminal is connected with one end of a corresponding fixed contact, and the other end of the fixed contact is inserted into the cavity so as to be electrically connected with the moving contact. The button mandril can be separately assembled and produced, does not influence various mounting modes of buttons, and does not change the wire connecting direction and mode.