Filtering device, oil tank and vehicle

The utility model discloses a filtering device, an oil tank and a vehicle, the filtering device comprises: a support member, which is internally provided with an accommodating cavity, and the inlet end of the accommodating cavity is used for being communicated with oil; the filtering part is rotatably arranged in the containing cavity and used for guiding filtered oil liquid to an oil inlet of the oil pump, a cleaning scraper is arranged on the inner wall of the supporting part, and the cleaning scraper extends towards the filtering part and makes contact with the surface of the filtering part so that dirt on the surface of the filtering part can be scraped off when the filtering part rotates. Therefore, the cleaning scraping plate is arranged on the inner wall of the supporting piece and is in contact with the surface of the filtering piece, so that impurities adsorbed by the filtering piece during working can be scraped off, the filtering device has a self-cleaning function, and the problem that the filteri