Patent attributes
A shield for electronic elements of a circuit board includes a frame and a cover, the frame including a peripheral wall comprising a plurality of fixed portions thereon, wherein the fixed portion includes a protrusion and a gap, the protrusion formed on the inner side of the peripheral wall, and the cover has a plurality of folding pieces corresponding to the fixed portions, the folding pieces defines an aperture, and the cover is mounted on the frame, the folding pieces match with the fixed portions correspondingly, the protrusion passes the aperture and locks with the aperture. When the cover is detached, the folding pieces are resisted via the gap to make the protrusion to break away from the aperture of the folding piece, enabling the cover to be opened.