Patent attributes
A shell structure including a shell, a baffle plate, and a positioning member is provided. The shell has a first surface, a second surface opposite to the first surface, and an expansion opening and a first mounting hole penetrating the first and second surfaces. The baffle plate is detachably mounted to the shell and includes a body portion located in the expansion opening and a side wing portion located outside the expansion opening and in contact with the second surface. The side wing portion includes a second mounting hole overlapped with the first mounting hole. The positioning member passes through the first and second mounting holes, and includes a first positioning portion in contact with the first surface and a second positioning portion passing through the second mounting hole. A maximum outer diameter of the second positioning portion is greater than an inner diameter of the second mounting hole.
