Patent ID: 8578655

Claim:
A door structure installed on a computer casing, the door structure comprising: a handle whereon an engaging part, a sunken part, and a baffle part disposed nearby the sunken part are formed; and a cover connected to the handle, the cover comprising: a main body; a hook disposed on a side of the main body and engaged inside the engaging part to constrain movement of the handle along a planar direction of the main body; a rib disposed on the side of the main body and installed inside the sunken part, a protrusion being formed on an inner wall of the sunken part and protruding along a normal direction of the main body, the protrusion contacting against the rib to constrain movement of the handle along the normal direction of the main body; and a protruding part disposed on the side of the main body and protruding along the planar direction of the main body for blocking the baffle part so as to fix the handle on the cover with the hook and the rib.