Electron brake booster unit of slip lead screw structure is equipped with

The utility model relates to an electron brake booster unit of slip lead screw structure is equipped with, the motor shaft tip install the pinion, the one -level reducing gear rather than the meshing is installed to pinion one side, second grade reducing gear is installed to one side of one -level reducing gear, second grade reducing gear and the meshing of one -level reducing gear, second grade reducing gear mid -mounting have the sliding nut of endwise slip, the sliding nut outer lane is connected with second grade reducing gear through the location is protruding, sliding nut inner circle department install and rotate the slip screw rod be connected with sliding nut, the one end of slip screw rod install the ejector pin, the other end of slip screw rod links to each other with the one end of master cylinder piston, the other end insert the installation of master cylinder piston is in brake master cylinder. The utility model has the characteristics of simple structure, low in production cost, can effectual rotation with the motor change slip of screw rod etc. Into.