Components of a whole that can function independently lock with novel transmission structure

The utility model discloses a components of a whole that can function independently lock with novel transmission structure, including button, backplate, handle and spring bolt, install the fixing base on the backplate, backplate and handle fixed connection, the handle is installed on the handle base, the backplate has the square hole, installs the button in the square hole, installs cylinder pin in the cotter hole on the button, and the fixing base bottom is gone into with it in the complex spacing groove to cylinder pin card to it is fixed through the fixed screw, install transmission rack and drive gear in the fixing base, the cover is equipped with return spring on the transmission rack, transmission rack and drive gear meshing, a last square hole, the square hole and cooperation of square transfer line and spring bolt linkage of being provided with of drive gear, there is the apron through fixed screw fixed mounting on the backplate, the utility model discloses life is longer, and security performance and reliability are higher, and application scope is wider.