Rotary expansion type spring pen container

The invention relates to the technical field of pen containers, and discloses a rotary expansion type spring pen container. The spring pen container is characterized by comprising a main container base, a main spring, an auxiliary spring and a sliding connecting piece; the main spring is arranged on the main container seat; the auxiliary spring is located on one side of the main spring; the sliding connecting piece is connected between the main spring and the auxiliary spring and can spirally slide upwards or downwards on the main spring and the auxiliary spring at the same time; when the sliding connecting piece spirally slides downwards on the main spring and the auxiliary spring at the same time, the auxiliary spring rotates out of the main spring from the state that the auxiliary spring and the main spring are arranged coaxially, and the auxiliary spring and the main spring are arranged side by side in an expansion mode; when the sliding connecting piece spirally slides upwards on the main spring and the