Fuel cell air inlet locking sealing device

The utility model discloses a fuel cell air inlet locking sealing device, construct including supporting box, sealed locking structure and fixed knot, sealed locking structure inlays and adorns wall on supporting box, the fixed knot structure is settled on the inboard wall of supporting box, sealed locking structure, it includes: hob, fixed plate, clamp ring and sealed the pad, first through -holehas been offered to the last wall of supporting box, wall on the fixed plate is settled in supporting box, the second through -hole has been offered to the wall under the fixed plate, the hob inlaysthrough first through -hole and adorns in the second through -hole, rabbet respectively in the second through -hole at the clamp ring both ends, and be located the hob both sides, clamp ring both endsside wall surface is equipped with the screw thread, hob and clamp ring screwed connection, the utility model relates to a fuel cell assistive technology field, simple structure, convenient to use makes intake pipe stability,