Sleeve type air cooler

The utility model relates to the technical field of coolers. The utility model relates to an air cooler, in particular to a sleeve-type air cooler. The device comprises a base, a shutter, a heat exchange tube and a fan, mounting feet are fixedly mounted at the bottom of the base. A cooler outer frame is mounted at the top of the base; mounting racks are mounted at the upper and lower ends of the cooler outer frame; a shutter is mounted on the inner side of the mounting frame; a first tube box is mounted on one side of the cooler outer frame; a liquid inlet is fixedly formed in the upper part of the outer side of the first tube box; one end of the liquid inlet is fixedly connected with a heat exchange pipe; the other end of the heat exchange tube is fixedly connected with a flange plate; and a U-shaped pipe is fixedly connected to the other end of the flange plate, a breathable grid is installed on the inner side of the heat exchange pipe, a liquid outlet is installed below the liquid inlet, a second pipe box