CONNECTING STRUCTURE FOR SHELL HAVING AT LEAST TWO INTERLOCKING HOLES, SHELL FORMED BY THIS CONNECTING STRUCTURE, AND CONNECTOR COMPRISING THIS SHELL

摘要

PURPOSE: A shell connecting structure with at least two openings, a shell formed by the structure, and a connector with the shell are provided to share components, thereby reducing installation costs. CONSTITUTION: An opening(5) includes a first shell(16) and a second shell(18). The first shell has a square shape. The second shell has a 'U' shape. A needed number of second shells are connected to the first shell. The shell has at least two openings. An engagement unit is installed in the second shell. Hook portions are installed in the first shell and the second shell.