Book clip

The utility model relates to a novel book clip which belongs to the technical field of the subgroup of a file clip with a file edge clamping device of the group of a used apparatus of single sheet paper without hole penetration and temporarily keeping together of the subclass of file clips; file cards of the class of bookbinding under the subsection of printing in the section of performing operation and transporting according to the International Patent Classification (IPC). The code mark of the utility model is B42F9/00. The utility model is composed of a left clip, a left frame, an upper spring, a rotary shaft, a lower spring, a right frame and a right clamp, and is characterized in that the rectangular left clip is arranged on the rectangular left frame. Therefore, the utility model is a novel book clip with practical valve.