Packing box

The utility model relates to a packing box constitutes by a slab substrate is folding, and this slab substrate an organic whole is equipped with four and encloses matte at the bottom of the piece, four, two top mattes to and two lock pieces, form a knot portion respectively at the both sides border of each matte, be equipped with narrow fan -shaped knot hole wide respectively at each lock piece. Can the buckle effect of a matte and lock piece down, formation no. 1 makes things convenient for the portable portion that the consumer extracted to and under the effect in fan -shaped knot hole, an opening that makes two top mattes will enclose the portion top with the kenel of outside extension downwards gradually shields, thereby the volume space in order to increase whole packing box. 本实用新型涉及一种包装盒，由一板片基材折叠构成，此板片基材一体设有四个围片、四个底遮片、两个顶遮片，以及两个扣合片；在各顶遮片的两侧边沿分别形成一扣部；在各扣合片分别设有一下宽上窄的扇形扣孔。可在顶遮片与扣合片的卡扣作用下，形成一方便消费者提取的手提部，以及在扇形扣孔的作用下，使两个顶遮片以逐渐向下向外延伸的型态将围部上方的开口遮蔽，从而以增加整体包装盒的容积空间。