Patent ID: 8100705

Claim:
A safety door for a power supply socket, the socket having a mounting base and right-hand, left-hand, and middle rectangular plugging holes arranged at equal distance and in parallel with one another, the safety door comprising: a first sliding part, a second sliding part, and a third sliding part slidably mounted on the mounting base; wherein the first sliding part is configured to slide reciprocally in a leftward direction to expose or block the left-hand rectangular plugging hole; wherein the second sliding part is configured to slide reciprocally in a rightward direction to expose the right-hand rectangular plugging hole; wherein the third sliding part is configured to block the middle rectangular plugging hole and slide reciprocally in a rightward or leftward direction to expose the middle rectangular plugging hole; and an elastic assembly comprising: two main elastic parts located at two sides of the third sliding part for providing returning elastic forces to the third sliding part; a first elastic part for providing returning elastic force to the first sliding part; and a second elastic part for providing returning elastic force to the second sliding part.