There are many ways to install the shield frame and cover, one is with small round holes on the frame and small bumps on the cover, the other is ribs on the frame, and the cover has a folding structure, both of which can be matched with the cover and Frame installation, now conventionally use the frame with holes, but this structure is not easy to remove the cover and it will be inconvenient during maintenance, another solution can solve the problem better
Customer synchronous design

shiled cover with ponit and frame with hole
Shield with Hole
There are small round holes on the frame and small bumps on the cover. This structure has a simple mold and low cost. There are no bumps on the side to save space.
Folder shield cover
Shield with folder
This structure can have better grip, the cover and the frame match better, and it is more convenient for maintenance, but the mold structure is more complicated. cost will be high