Pencil for accounting

The utility model discloses a pencil for accounting, including the pen container, be equipped with the pen container chamber in the pen container, the coaxial circular cone portion that has set firmly in pen container top, the coaxial circular cone chamber that is equipped with in the circular cone portion, circular cone portion top is coaxial be equipped with with the cylinder core chamber of circular cone chamber intercommunication, the pen container lower extreme is coaxial to have set firmly outer threaded ring, the spiro union has the pen tail cap on the outer threaded ring hypomere, the coaxial core pipe that extends in oriented core chamber that sets firmly on the bottom surface in the pen tail cap, the intraductal chamber hypomere splendid attire of core has the spring, the upper segment cartridge is managed to the core has the refill. Can make the automatic knockout of refill, can be based on write, different occasions such as setting -out, drawing confirm accurate knockout length, the difficult rupture of refill, the refill skidded with pen container fixed firm being difficult for, pen container and refill to step up the degree adjustable, increase of service life, and easy operation greatly.