Patent ID: 8790124

Claim:
An electrical plug device comprising: a housing formed with two receptacles; a positioning member disposed in said housing and including a base that has two opposite ends, a fixed arm unit that extends upwardly from one of said opposite ends of said base and that is inseparably connected to said housing, and a flexible arm unit that extends upwardly from the other of said opposite ends of said base opposite to said fixed arm unit, said base, said fixed arm unit and said flexible arm unit cooperatively defining an engaging groove, said fixed arm unit and said flexible arm unit cooperatively defining an opening in communication with said engaging groove and opposite to said base, said flexible arm unit including a flexible arm portion that is connected to said base and a securing projection that is connected to said flexible arm portion and that is proximate to said opening, said flexible arm portion having an inner surface that faces said fixed arm unit, said securing projection including an engaging surface that is connected to said inner surface and an abutting surface that is connected to said engaging surface, said abutting surface being configured as an inclined surface that extends towards the fixed arm unit, so that said engaging groove gradually decreases in width along a direction towards said opening; and a plug member including a pivot rod that is pivotally coupled to said positioning member and two spaced-apart plug prongs that are connected to said pivot rod, said plug prongs being respectively and removably received in said receptacles, said pivot rod including a rod body that is pivotally received in said engaging groove and that detachably abuts against said abutting surface of said securing projection, and a protrusion that protrudes from said rod body and that is detachably engaged with said engaging surface of said securing projection, said engaging surface of the securing projection being engaged with said protrusion and said abutting surface of said securing projection abutting against said rod body when said plug member is disposed at a protruding position, where said plug prongs of said plug member protrude out of said receptacles, respectively.