Many period number of pressure spring double tops pearl formula protection device that presses button

The utility model discloses a many period number of pressure spring double tops pearl formula protection device that presses button, it includes: lid and pedestal, pedestal include crossbeam and bothsides board, and the crossbeam is installed on having by the installation base member of protection button, and the both sides board sets up respectively at crossbeam both ends and perpendicular withthe installation base member, has seted up the round hole on the board of both sides, and the round hole has a multiunit, distribute along same diameter circumferencial direction, and every group round hole is coaxial and corresponding to a latched position, but the lid topmost links to each other and about shaft rotation through the both sides board of pivot with the pedestal, and lid middle partupper end sets up pressure spring double tops pearl mechanism, and during lid about shaft rotation, pressure spring double tops pearl mechanism switches between a plurality of latched position in proper order, the lid middle p