Space-saving three-layer screw terminal

The utility model discloses a space-saving three-layer screw terminal, which relates to the technical field of wiring terminals, and comprises a three-layer terminal and a U-shaped iron sheet, the U-shaped iron sheet is sleeved inside the three-layer terminal, two ends of the three-layer terminal are symmetrically provided with notch structures, the tops of two ends of the U-shaped iron sheet are provided with bevel iron sheets, and the notch structures are provided with notches. The three-layer terminal comprises a three-layer terminal and is symmetrically distributed in notch structures formed in the two ends of the three-layer terminal, baffles are horizontally fixed to the outer sides of the notch structures in the two ends of the bevel iron sheet, nuts are horizontally installed in the middles of the baffles, and the baffles are distributed on the two sides of the three-layer terminal in a mirror symmetry mode. According to the utility model, by arranging the horizontally arranged nut structure and the b