4results about How to "Increase storage volume" patented technology

The utility model relates to the technical field of suitcases, and discloses a combined external configuration plastic suitcase which comprises a suitcase body, a sliding groove is formed in the back face of the suitcase body, a sliding frame is connected to the inner wall of the sliding groove in a sliding mode, sliding columns are fixedly connected to the two sides of the sliding frame, the sliding columns are connected with the suitcase wall of the suitcase body in a sliding mode through through grooves, and the sliding columns are connected with the suitcase body in a sliding mode through the through grooves. According to the suitcase, the sliding grooves are formed to be connected with the sliding frames in a sliding mode, when the sliding frames are pulled out, the overall containing volume of the suitcase can be additionally increased so that more things can be conveniently carried, and the sliding frames can be prevented from falling off through limiting of the sliding columns and the through grooves; the sliding frame is limited and fixed by aligning the positioning sleeves with the positioning holes in the sliding columns and inserting the bolts into the positioning holes, and the box body is placed in a hanging mode by arranging the hooks.