Energy-saving air cooler

The utility model discloses an energy-saving air cooler which comprises an installation frame, two conical guide tables are arranged on the side of the bottom of an installation platform, a displacement sliding plate is connected into an inclined guide groove in a sliding mode, and the top end of an ejector rod is fixedly connected with a top base. The mounting platform which is movably supported is arranged through the transverse plate, the conical guide tables are arranged on the two sides in the static pressure box, the bottom end of the ejector rod slides in the conical guide tables through the displacement sliding plate, and the top seat at the top of the ejector rod is slidably connected with the bottom of the mounting platform through the guide rod. The electric push rod can be started, the push plate is pushed through the electric push rod, then the two ejector rods connected with the push plate slide towards the front end, the displacement sliding plate slides in the conical guide table, the ejector