Integral clutch booster

The utility model discloses an integrated clutch booster. Including a housing, an air inlet and outlet valve structure is arranged in the shell. The air inlet and outlet valve structure comprises an air inlet and an air outlet. A pressing plate is arranged at the exhaust port; the pressing plate is fixed on the shell through a bolt; a dustproof gasket is arranged above the pressing plate, a dustproof valve base is arranged above the dustproof gasket, a control piston and a valve are arranged above the dustproof valve base, the valve is located between the control piston and the dustproof valve base, a first spring is arranged below the control piston, a second spring is arranged below the valve, an air inlet and outlet seat is arranged at the air inlet, and the position of the air inlet and outlet seat corresponds to that of the valve. The hole depth of the air inlet and outlet valve structure used in the integral clutch booster is small; the problem that an existing intake and exhaust valve structure is larg