High-temperature medium isolation cooler device for diaphragm pump

The utility model belongs to the technical field of diaphragm pumps, and particularly relates to a high-temperature medium isolation cooler device for a diaphragm pump. The utility model provides an isolation cooler device which does not influence the operation of a diaphragm pump and can meet the conveying requirement of a high-temperature medium. The device comprises an isolating device and a cooling device, and is characterized in that the isolating device comprises an isolating cylinder, a guide rod is arranged in the center of the isolating cylinder, and an isolating core is arranged on the guide rod in a sliding manner; the isolation core is composed of a sleeve body in the middle and a plurality of layers of blades on the sleeve body, and gaps are formed between the blades; the cooling device comprises a cooling cylinder, the cooling cylinder is connected with the isolation cylinder, a cooling sleeve is arranged outside the cooling cylinder, and a cooling water connecting pipe is arranged on the coolin