1results about How to "Fast reply" patented technology

The utility model discloses a kind of automobile vacuum boosters, belong to vacuum booster technical field, including front shell, the side of front shell is equipped with first air pump, the side of first air pump is equipped with first air duct, the other side of front shell is equipped with rear shell, the side of rear shell is equipped with second air pump, the side of second air pump is equipped with second air duct, the utility model is equipped with diaphragm sliding mechanism, the mechanism can make diaphragm when being increased in one side air pressure, annular plate can be slid in the inside of annular groove, while annular plate drives sliding block to slide in the inside of sliding slot, and make positioning rod and positioning hole correspond to insert, to guarantee the stability of diaphragm sliding process, the utility model is equipped with diaphragm recovery mechanism, the mechanism can make diaphragm after sliding, can be automatically driven diaphragm to reset by the setting of recovery spring, to promote diaphragm and brake pedal fast reset.