Pedal type single-action pneumatic hydraulic pump

The utility model relates to the technical field of hydraulic pumps, in particular to a pedal type single-action pneumatic hydraulic pump, which improves the part processing mode, improves the sealing degree and the operation frequency of parts, improves the gas displacement and the oil discharge quantity of equipment, reduces the requirements of the equipment on working conditions, and prolongs the service life of the equipment. Comprising a pneumatic hydraulic pump, an oil drainage switch, an oil port plug and an air inlet connector, a pedal PUMP end and a pedal RELEASE end are arranged at the top end of the pneumatic hydraulic pump, an air inlet valve body is arranged at the right end of the pneumatic hydraulic pump, an oil inlet and an oil drainage port are formed in the top end of the pneumatic hydraulic pump, and an air cylinder, a silencer and an oil drainage pressing rod are arranged in the pneumatic hydraulic pump. One end of the silencer is communicated with the outside of the pneumatic hydraulic pu