Strain gas soundproof door

The utility model discloses a strain gas soundproof door, including main door and door frame, be equipped with first lock on the main door, the upper portion of main door is equipped with ventilative frame, and the side of ventilative frame articulates there is ventilative door, be equipped with the second lock on the ventilative door, be equipped with the window screening on the ventilative frame, the window screening is two -layer, is equipped with the active carbon filter screen between the two -layer window screening, be fixed with velcro female face on the ventilative frame, be fixed with velcro tape surface around the window screening, the evagination shaping all around of the surface of main door has the sand grip, and the cross -section of sand grip is the hemisphere, the door frame all around be equipped with the door shield, be equipped with on the door shield with sand grip complex recess. The utility model discloses simple structure, convenient to use in the time of can ventilation, prevent that t