Soundproofing test fixture

Abstract

The utility model discloses a kind of acoustic air tightness test fixtures, comprising: positioning frame, plugging pressure holding component and sealing cover, positioning area is formed on positioning frame, and profiling positioning groove is provided on positioning frame, acoustic is placed on positioning area, the side wall partial of acoustic is resisted with profiling positioning groove, profiling positioning groove has avoid location opening, and the jack on acoustic is located avoid location opening side;Plugging pressure holding component includes flexible plugging head and pressure holding driving part, flexible plugging head is connected with pressure holding driving part, flexible plugging head is towards the jack on acoustic, and the pressure holding driving part is used to drive flexible plugging head to move in the direction of approaching or away from the jack on acoustic;Sealing cover is located above positioning area, and sealing cover is used to seal the top opening of acoustic.Such, not only realize the accurate positioning of cylinder acoustic, but also can realize the plugging of side wall jack, to realize effective sealing, ensure the accuracy of air tightness test.

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