Seal

The utility model relates to a stamp which comprises a positioning cylinder, a pressing head, a handle and a stamp block, the positioning cylinder is a cylinder, the diameter of the pressing head corresponds to that of the positioning cylinder, the pressing head is located in the positioning cylinder, a protruding ring is arranged at the bottom end of the positioning cylinder, a stud is arranged in the center of the pressing head, and a threaded hole is formed in the top end of the stamp block. A seal pattern is carved at the bottom of the seal block, the diameter of the seal block correspondsto the inner diameter of the convex ring, and a reset spring is arranged between the convex ring and the pressing part; the handle comprises a downward pressing part and a handheld part, the downwardpressing part is located in the positioning cylinder, a blind hole used for containing the printing block is formed in the top end of the downward pressing part, the handheld part is detachably connected to the top end of the