Patent ID: 8029299
Filing Date: 2011-10-04
Classification: H01R

Abstract:
1. A cover unit for a USB flash disk used for sealing an opening of a USB socket of said USB flash disk, comprising: a seat having a thicker portion and an insertion portion, said thicker portion having a sectional area larger than that of said opening of said USB connector, while said insertion portion being smaller than said opening of said USB connector to allow insertion of itself, said seat being provided at its middle with a seating hole; an engaging structure being pivotally connected in said seating hole and having at least an engaging plate, a pivot portion and a stop plate; said engaging plate being provided in said insertion portion to be inserted together with said insertion portion into said opening of said USB connector, and said engaging plate being shaped to have a pair of protruding blocks at two positions in corresponding to where two directional holes on said USB connector are, in order to be engaged in said directional holes; said stop plate being provided in said thicker portion; said pivot portion being provided between said engaging plate and said stop plate, when said stop plate being pressed, said engaging structure rotating about a pivotally connecting position of said pivot portion, so that engagement of said protruding blocks with said directional holes are relieved, and an elastic element being provided between said engaging structure and said seat for providing said engaging structure with restoring force, for keeping said protruding blocks of said engaging plate to be engaged in said directional holes.