Prevent erroneous operation mechanism

The utility model relates to a prevent erroneous operation mechanism, including sliding seat, fixing base, pin joint axle, torque spring, eccentric newel post, its characteristics lie in being equipped with on the top surface of fixing base the spring groove, have made the sleeve in the one end in spring groove, and pin joint hole in the sleeve still is equipped with the installation piece on the fixing base bottom surface, the torque spring suit is epaxial at the cover, and inlays the dress in the spring groove, and screens portion has been made to two spring arm ends of torque spring, in the pin joint axle cartridge pin joint hole, spacing slotted hole has been made to the one end of sliding seat, and the cartridge hole has been made to the other end, has still made spacing bevel connection on two sides of sliding seat respectively, and torque spring's screens portion card is established on spacing bevel connection, and the sliding seat cartridge is held at the pin joint crown of roll to the realization links together sliding seat, fixing base, pin joint axle three, the eccentric shaft has been made to the bottom of eccentric newel post, and eccentric newel post passes through the eccentric shaft and installs in the cartridge hole of sliding seat. The utility model has the characteristics of simple structure, design science, long service life etc..