Cleaning device for bicycle chain

The utility model relates to the technical field of bicycle chains, in particular to a cleaning device for a bicycle chain, which comprises a cleaning box, a chain body is arranged in the cleaning box, a shaft pin is arranged on the chain body, a connecting block is arranged on the cleaning box, an inserting plate is inserted into the cleaning box, and a cleaning brush is arranged on the inserting plate. According to the cleaning device for the outer wall of the shaft pin on the bicycle chain, the cleaning box with the vertically-symmetrical cleaning brush structure is arranged, and the guiding opening is formed in the cleaning box, so that vertically-symmetrical accumulated dust brushing and cleaning are conducted on the outer wall of the shaft pin through the cleaning brush while a bicycle is ridden, and the trouble-saving performance of the cleaning device for the outer wall of the shaft pin on the bicycle chain is improved; according to the cleaning device for the outer wall of the shaft pin on the bicycl