But arrangement case of transverse extension

The utility model relates to a but arrangement case of transverse extension, the position that corresponds in inboard and another box of the curb plate of the inboard side of box middle base plate and front end, rear end sets up relatively, sets up the flexonics layer of an organic whole between the side of the relative bottom plate inboard that sets up and the inboard of curb plate, curb plate limited sliding mechanism before installing between two curb plates of front end, mounting plate limited sliding mechanism between two bottom plate bottom surfaces. The utility model discloses in, flexible material layer can be canvas, nylon cloth etc. Certain effect of blocking is played in main effect, side limiting plate and lowest limit position board not only play the effect of connecting two boxes, have played the effect of firm support moreover, during the use, people can adjust the position of two boxes according to the difference of article length, stored object article that like this can as much as possible,