Plug-in hinge mechanism capable of threading and box body

The utility model discloses a threading external hinge mechanism and a box body. The threading external hinge mechanism comprises a first hinge (1), a second hinge (4) and a threading shaft (3), the first hinge (1) is provided with a first threading area and is connected with the second hinge (4) through the threading shaft (3), and the first hinge (1) can rotate along the threading shaft (3) so as to change the angle between the first hinge (1) and the second hinge (4); the second hinge (4) is provided with a second threading area and is connected with the threading shaft (3); and the threading shaft (3) is of a hollow structure, and a threading path is reserved based on the hollow structure, so that a cable is arranged along the threading path, and the cable extends from the first threading area of the first hinge (1) to the second threading area of the second hinge (4). According to the embodiment of the utility model, the inward threading path is arranged between the first hinge and the second hinge, so t