Patent ID: 7494373
Filing Date: 2009-02-24
Classification: H01R

Abstract:
1. A power source connection device comprising: a power source socket attached to a partition plate which separates a showroom of a low-temperature showcase and a cold-air duct from each other; and a power source plug connected to the power source socket, wherein the power source socket has a vessel-like attachment base and an electrode portion formed so as to protrude at a predetermined interval from an inner portion of an outer peripheral wall constituting the attachment base, the power source plug has a terminal electrically connected to the electrode portion and a peripheral wall portion which encloses the terminal, and the power source plug is detachably engaged with the power source socket in a state in which the terminal is connected to the electrode portion of the power source socket, wherein an outer surface of the peripheral wall portion of the power source plug is provided with an engaging portion which detachably engages with an engaged portion formed so as to protrude inwards from an inner surface of the outer peripheral wall of the power source socket, such that the engaging portion rides over the engaged portion to securely attach the power source plug with the power source socket.