Variable slot width structure suitable for plug-in DCI case

The utility model discloses a variable groove width structure suitable for a pluggable DCI cabinet, comprising a cabinet which is provided with a pair of side plates and a pair of cover plates, the pair of side plates are horizontally and oppositely arranged, and the pair of cover plates are respectively and oppositely arranged up and down and are respectively connected with the pair of side plates to form a rectangular frame structure; the fixing plates are of rectangular structures, are parallel to the side plates of the case, and penetrate into the case from one open surface of the case tobe fixed in the case; the movable plates are of a rectangular structure and correspond to the fixed plates one to one, one side faces of the movable plates penetrate into the case and abut against andare detachably connected with the side faces, facing the other open face of the case, of the fixed plates, the fixed plates and the movable plates are connected in a matched mode, and the interior ofthe case is horizontally d