Plier structure

An improved spring clamp structure comprising:

• a spring clamp having a first arm, a second arm, a shaft rod and a first spring;
• the first spring jacketed onto the shaft rod, the shaft rod pivoted between the first arm and the second arm, the first arm provided with a first grip;
• the first arm connected to a connecting bar;
• the second arm provided with a second grip, the second grip provided with a slot facing the first grip and a linkage rod across the slot;
• a pull bar, an end of the pull bar connected to the connecting bar of the first arm, and another end of the pull bar disposed in the slot of the second grip;
• and
• a pressing handle disposed in the slot of the second grip and covering the pull bar, the pressing handle provided with a pivoting portion accepting the linkage rod, the pressing handle further provided with a divider close to the pivoting portion and a positioning aperture disposed on the divider;
• the positioning aperture jacketed onto the pull bar;
• the pressing handle further provided with a pressing portion opposite from an end of the pull bar and a second spring between the pressing portion and the second grip.