Solution:
Hello, I am very sorry for the inconvenience caused to you. The upper cover and the lower cover of the charging box are connected by a metal shaft. In order to ensure the smooth opening and closing of the cover, the stator and rotor of the shaft should be designed with a certain reasonable gap, so when the upper cover is pinched or rubbed hard, the upper cover will There is a slight shift in the range of the shaft clearance to create a gap, which is a common phenomenon for this type of product. The product has undergone strict appearance and function inspections before leaving the factory, please use it with confidence.
Does it help?