Patent ID: 8057264

Claim:
A multi-purpose plug, comprising a pedestal ( 1 ) which is used to connect with an electric equipment, and a number of different-types of plug connectors ( 2 ) which are detachably connected with the pedestal ( 1 ), wherein said pedestal ( 1 ) has a slot ( 3 ), and an inserted handle ( 4 ) on an end of the plug connector ( 2 ) which matches the slot ( 3 ); said multi-purpose plug also includes a locking device ( 5 ) which fixes the inserted handle ( 4 ) into the slot ( 3 ), said locking device ( 5 ) includes a box-shaped structure ( 6 ), and a bolt tab ( 7 ) disposed inside said box-shaped structure ( 6 ), a press plug ( 13 ) locates on the external part of the box-shaped structure ( 6 ) which corresponds to said bolt tab ( 7 ), said press plug ( 13 ) is inserted into the slot ( 3 ) and is connected with the pedestal ( 1 ) via a spring ( 9 ), the box-shaped structure ( 6 ) is parallel to a plane in which a mouth of the slot ( 3 ) sits.