Leaf-group structure of shutter

A leaf-group structure of shutter of the utility model mainly comprises a plurality of leaves of long plate shape, wherein, the cross section shapes of the leaves positioned at the places of odd number can respectively define that the left end appears in one first concave portion and the right end appears in one first convex portion approximately at the width center of the cross section; and the cross section shapes of the leaves positioned at the places of even number can respectively define that the left end appears in one second convex portion and the right end appears in one second concave portion approximately at the width center of the cross section. 一种百叶窗帘的叶片组结构，其主要包含有：若干呈长板状的叶片，其中位于奇数处叶片的断面形状，约在断面的宽度中心处可分别界定出其左端呈一第一凹陷部，其右端呈一第一凸隆部； 位于偶数处叶片的断面形状，约在断面的宽度中心处可分别界定出其左端呈一第二凸隆部，其右端呈一第二凹陷部。