Lubricating oil filtering device for diesel engine

The utility model relates to the technical field of diesel engine oil filtering, discloses a diesel engine lubricating oil filtering device, and solves the problems that impurities in lubricating oil can be filtered by adopting a filter cartridge, but the filtered impurities are left in the filter cartridge, so that the filter cartridge can be taken out of a tank body only by opening a sealing cover, and the use is inconvenient. And the operation is inconvenient. Comprising a filter barrel and a cover plate, a baffle is fixedly arranged in the filter barrel, a filter channel is formed in the surface of the baffle, a sealing ring is connected to the surface of the filter channel in a clamped mode, a clamping ring is connected to the filter channel in a clamped mode, a filter cover is fixedly arranged at the top end of the clamping ring, a base plate is fixedly arranged at the top end of the filter cover, and an output pipe is fixedly arranged at the top of one side of the filter barrel; the oil pump connector