Plug-in octagonal fan cover

The utility model discloses a plug-in octagonal fan cover, which relates to the field of motors and comprises a bottom-layer fan cover shell and a top-layer fan cover shell connected with the bottom-layer fan cover shell. The two fan cover shells are stacked, and the horizontal sections of the two fan cover shells are octagonal; a fan cover plate is arranged at the top of the top-layer fan cover shell, and a plurality of array type ventilation holes are formed in the fan cover plate; a clamping groove is formed in a side plate of the bottom-layer fan cover shell, an opening of the clamping groove is downwards communicated to the bottom of the side plate, and the clamping groove is used for fixedly installing the cover body to a motor. According to the structure, the octagonal fan cover design which is more stable and attractive is adopted, the special L-shaped design is adopted for the installation clamping grooves, and the fan cover can be disassembled without completely disassembling screws; the inverted-U-