Patent WO-2016043418-A1 (WO)
Title: Easily separated power plug and power plug adapter
Inventor: SHIN YOUNGJU
IPC: H01R31/06
Filed: 2015-07-15
Abstract: The present invention relates to an easily separated power-plug and a power plug adapter and, more particularly, to an easily separated power-plug, which can be safely and easily separated from a power outlet without having to use a large amount of force, and to a power plug adapter. To this end, an easily separated power-plug is provided, the power plug characterized by comprising: a terminal fixing part having terminal pins that connect to a power outlet and terminal pin holes formed at both sides thereof into which terminal pins are inserted, and including a terminal fixing part having a separating pin hole passing through the middle thereof and maintaining the terminal pins in a fixed position; a lever cartridge; a power cord connected to the ends of the terminal pins to supply electric power; and a packaged cover for protecting the terminal fixing part, the lever cartridge, and the power cord from the external environment in a state in which one side thereof is formed with an open hole so that a portion of the lever can project to the outside. The lever cartridge includes: a cartridge body having a terminal fixing part inserting portion formed at one side thereof into which the outer periphery of the terminal fixing part is inserted and coupled, and having a lever hole having an open portion provided in the other side thereof, shaft recesses being formed recessed into both sides of the inner wall of the lever hole; a lever having a pivot shaft formed projecting at both sides thereof in order to be inserted into the lever hole of the cartridge body and coupled with the shaft recesses, having a pressing portion formed at the top portion thereof to extend to one side so that the pivot shaft is eccentric and a user can exert force, having a cam portion forming a gradual curve from the pressing portion, and pivoting about the pivot shaft; and a separating pin built in the cartridge body and contacting the cam portion and sliding upon rotation of the lever. The power plug further comprises a lever stopper including: a round surface including a grasping portion formed projecting on the bottom portion of the cover and including a plurality of corrugations enabling easy grasping by the forefinger, a frictional portion formed on the end of one side of the separating pin (that is formed in a rod shape) to contact the cam portion of the lever, the frictional portion having a seating surface forming a smooth undersurface and contacting the cam portion through the pivoting of the lever and pushing the separating pin, and a curvature matching the curvature of the cam portion; and another round surface including a lever seating portion formed on the floor portion at the bottom of the shaft recesses and corresponding to the curvature of the lever so that the lever may be seated thereon when raised upright, a separating pin sliding portion formed to be smooth and connected in a stepped manner with the lever seating portion in order for the separating pin to slide and move on the floor portion at which the separating pin is disposed, and the separating pin sliding portion which corresponds to the curvature of the cam portion so that the lever cannot pivot beyond a certain angle range when pivoting.