Patent ID: 7121637

Claim:
A detachable and rotatable door cover assembly, comprising: a machine body, having a module; a rotation base, located on said machine body; a clipping groove, located on said machine body; a door-cover main body, installed on said machine body in a detachable way; a rotating member, located on a first end of said door-cover main body, wherein said rotating member is pivotally connected to said rotation base, thereby rotating said door-cover main body; a clipping hook, located on a second end of said door-cover main body, wherein said clipping hook is suitable for use in engaging with said clipping groove; and least one locking ring, installed on the module; and at least one ring holder, suitable for use in engaging with said locking ring, said ring holder at least having: a ring outlet; a cross-shaped hole formed by intercrossing a first striped hole and a second striped hole, wherein said first striped hole is adjacent to and spaced apart from said ring outlet with a distance; a ring fixing plate, located in said first striped hole, wherein one end of said ring fixing plate is connected to the sidewall of one end of said first striped hole adjacent to said ring outlet, the other end of the ring fixing plate having a protrusion; and a pair of L-shaped clipping blocks, respectively located on the areas outside both ends of said second striped hole, wherein the open ends of said L-shaped clipping blocks are opposite to each other, and said locking ring can be inserted into and exposed from said ring inlet, and be locked with said L-shaped clipping blocks after being folded towards said protrusion of said ring fixing plate.