Cleaning device for computer port

The invention discloses a cleaning device for a computer port, which comprises a mounting assembly, a cleaning mechanism and an ash removal mechanism, and is characterized in that the mounting assembly comprises a mounting plate and a plug-in at one end; the cleaning mechanism comprises a rotating cylinder rotationally mounted on the outer side of the mounting plate and a guide cylinder coaxially mounted with the rotating cylinder, the top surface of the guide cylinder is a guide fluctuating surface, an ejector rod parallel to the extending direction of the port is slidably mounted on the mounting assembly through a reset spring, a brush is arranged at the top of the ejector rod, and the bottom end of the ejector rod can slide along the guide fluctuating surface; the ash removal mechanism comprises an ash removal cylinder arranged in the rotary drum and a plug plate arranged in the ash removal cylinder in a sliding mode, the plug plate is connected with the mounting plate through an intermittent dust discharg