The wedge sound proof door

The utility model discloses a wedge sound proof door, hold locate the door frame of anechoic chamber in, the switch mechanism comprises a door body, said door body back is equipped with the sound absorbent wedge, and also including the fixed inside back shaft of anechoic chamber of locating, it is outside that a sound absorbent wedge at body back is located to the back shaft, the upper end of back shaft is by last rotator AND gate body top swing joint, the lower extreme of back shaft passes through the bottom swing joint of the rotator AND gate body down. Also include the mount, the door frame top of anechoic chamber is fixed in to the upper end of back shaft through the mount, the lower extreme of back shaft is fixed in the subaerial of anechoic chamber. The utility model provides a wedge sound proof door can make a body open 180, has reduced the door body and has opened back taking useful space to because the structure is the spiro union built-up member, can be so that on-the-spot fast assembly and adjustment.