Required materials: cross screwdriver, there is a screw under the cover of the outermost layer of the electric fan, remove the screw.
So that the outermost fan protective cover can be removed.
Then unscrew the fixing button on the outside of the fan blade by hand.
The fan blades can then be removed.
Then unscrew the screws on the protective cover of the internal electric fan.
So that the inner protective cover can also be removed.
Then unscrew the knob on the fan strut by hand.
So that the middle part of the fan can be removed.
Then turn the chassis of the fan upside down and unscrew the screws inside.
So that the bottom of the electric fan can be disassembled, and the disassembly is completed.