On January 8, 2024, according to the announcement of the State Intellectual Property Office, NIO Auto Technology (Anhui) Co., Ltd. obtained a project called "Power battery pack Fixed structure and vehicle", authorized announcement number CN220298281U, the application date is May 2023.

The patent abstract shows that the utility model relates to the technical field of electric vehicles, and specifically provides a power battery pack fixed structure and a vehicle, aiming at solving the problem of high maintenance cost of the existing power battery pack fixed structure. For this purpose, the power battery pack fixing structure of the utility model comprises: mounting matrix; The strengthening plate is connected to the mounting matrix, and a first through hole is formed on the strengthening plate; The limit plate is arranged with a groove, and the limit plate is connected with the reinforcing plate and a first accommodating cavity is thus constructed. The limit plate is also formed with a second through hole communicated with the groove; The nut plate comprises a plate body and a nut protruding from the plate body. When installed, the plate body is freely accommodated in a first accommodating cavity and movable within a set Angle. One end of the threaded hole of the nut is opposite to the first through hole and the other end passes through the second through hole and extends to the inside of the mounting base body. The fixed structure of the power battery pack provided by the utility model can only replace the nut board when the nut board is damaged, thus reducing the maintenance cost.

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