Auxiliary interface device for air leakage experiment of air pipe

The utility model belongs to the technical field of auxiliary devices for air volume experiments, and particularly relates to an auxiliary interface device for an air pipe air leakage experiment. Comprising a hose connecting device and an air pipe fixing device which are arranged on the two sides of a blind plate respectively and are in threaded connection and fixation through a threaded rod and a connecting buckle, the air pipe fixing device is connected with an air pipe through a fixing piece, and the hose connecting device is provided with a connecting pipe connected with an air volume test hose. The joints of the hose connecting device, the air pipe fixing device and the blind plate are provided with hollow holes for ventilation tests. The utility model has the advantages and positive effects that: due to the adoption of the technical scheme, air leakage caused by collision looseness is avoided; using is easy and convenient, connection is firm and tight, and gas leakage is avoided; the device is convenien