Novel rotary loading cleaner case easy to load and unload

The utility model belongs to a fitting of an internal combustion engine filter, in particular to a novel spin-on filter casing capable of easily loading and unloading. The existing filter is fixed inside an internal combustion engine by a special spanner, the filter is easy to be damaged while loading and unloading due to the relatively thin filter casing, and simultaneously some types have small space in installation, thereby the filter is quite inconvenient for loading and unloading. The top portion of the filter casing of the utility model is provided with an end 3, the lateral face of the end is provided with a hole 4, and a transitional connector 2 is arranged between the end 3 and the casing 1 and has the shape matching with the radian of the top portion of the filter. When using, the filter can be rotated just by inserting a lever into the hole at the lateral face of the end, and the filter then can be conveniently loaded or unloaded. The fitting of the internal combustion engine filter of the utility