The invention relates to a
bus stop board chair with a
self cleaning function, and belongs to the field of a municipal facility. The
bus stop board chair consists of a chair body, a storage battery, an axial flow fan, a pressure
barrel, a
machine frame, a chute, a stepping motor, a fixing
pile, a lead screw, a photoelectric switch, an
electromagnetic valve, a controller, a slide block, a
direct current motor, an air
guide tube, a water suction roller, a spray hole, a cleaning guide
pipe, a
stroke roller and a roller installing cavity. Through the matching of the chute, the slide block and the
stroke roller, the stable operation of the
machine frame is ensured; through the matching of the cleaning guide
pipe, the water suction roller and the axial flow fan, a complete cleaning
system is formed. The device of the
bus stop board chair has the advantages that the structure is compact; the service life is long; the problem of dirty chair of a bus stop board is solved, so that people can conveniently sit down to have a rest.