A sealed surrounding belt for a temperature-reducing inflatable military engineering wind tunnel device

Abstract

The utility model discloses a kind of sealing surrounding belt of cooling inflatable military wind tunnel type equipment, it is related to sealing assembly technical field, sealing surrounding belt is detachably cooperated and installed on sealing workpiece, multiple groups of valve nozzle are evenly distributed on hollow band, sealing workpiece is provided with the column hole matched with valve nozzle installation, hollow band is detachably installed in the recess inside sealing workpiece, first protrusion and second protrusion are symmetrically set in bottom wall two sides, recess wall is between first protrusion and second protrusion, the distance between recess wall and bottom wall is less than the distance between first protrusion top and bottom wall, first protrusion, second protrusion, recess wall, bottom wall between form the cavity with concave cross section between them.The utility model's hollow band uses high-temperature-resistant rubber, cooling medium is input to cavity through valve nozzle, sealing surrounding belt is cooled, sealing performance is guaranteed, and service life is simultaneously extended.

Images