Large volume extraction type ink suction pen

The utility model relates to a large capacity extracting ink-sucking pen, consisting of a pen cap, a pen tip, a pen nib, and a pen holder, wherein the pen holder is connected with a pushing rod fixing and connecting with a piston through a sealing ring cover, a metal circular tube is arranged in the pen holder,ink is directly stored in the pen holder after being sucked in, a plano-concave block with flat outside and concave inside is arranged on the outside of the pen holder, a groove being convenient for the rear section of the pushing rod to be clipped in is arranged in the plano-concave block; a sealing rubber ring is ferruled around the outer circumference wall of the piston; the pushing rod is divided into a front and rear section, and the grooves arranged on the same sides of the front and rear section of the pushing rod are actively riveted with the front and rear section of the pushing rod through a cross connecting rod to realize twice bending of the pushing rod in a single direction. The utility model is simple and originative structured, convenient and reliable to be used, and easy to be popularized and implemented.