Pen container for engineering cost

The utility model relates to a pen container for engineering cost, including being equipped with the stack shell that holds the room, the stack shell lateral wall is equipped with the USB interface and is used for the data line of connecting USB interface and computer, and sliding along perpendicular to stack shell axis direction and be provided with the strutting arrangement who is used for placing the portable hard drive in the stack shell bottom, is provided with on the stack shell lateral wall to be used for the locking device of strutting arrangement locking on the stack shell, is close to strutting arrangement on the stack shell lateral wall and locates to be provided with and be used for the fan of blowing to the portable hard drive. Through placing the portable hard drive on one side on strutting arrangement, lean on the stack shell lateral wall at the pen container with the parallel another side in this limit on, the locking device that reuses locks strutting arrangement, canrealize the fixed of port