Card pen is scribbled to examination answer sheet

The utility model provides a card pen is scribbled to examination answer sheet, relates to a propelling pencil, and include the shaft of a writing brush, nib, refill and send core mechanism, the shaftof a writing brush with threaded connection is passed through to the nib, in sending the cavity of core establishment of institution in the shaft of a writing brush and nib, include core pipe, clamping jaw, spring and hoop, core pipe with clamping jaw upper end fixed connection, the spring housing in the clamping jaw outer and support in core pipe with between the nib, clamping jaw lower extremenestification in in the hoop, the hoop outside with nib fixed connection, send core mechanism below be equipped with in the nib and supply the clamping jaw to open back to contract with the double -layered holding chamber of sending the refill, not only can effectively press from both sides and send the refill, make things convenient for examinee tu ka to can be effectively spacing to the refill at tu kazhong, avoid the co