Bull Group Patents Terminal Block for Charging Guns with Reduced Copper Consumption
Bull Group (Gongniu Group) has been granted a utility model patent for a terminal block, charging gun, and charging device that reduces copper consumption and lowers processing and material costs .
Technical Design:
The terminal block includes a terminal body and an injection-molded part
The terminal body consists of a plug-in portion (hollow with closed and open ends) and a connection portion
The injection-molded part includes a filling portion that fills the interior of the plug-in portion
A wrapping portion covers the plug-in portion near the open end
Benefits:
Reduces copper material consumption
Lowers processing costs
Maintains reliable electrical performance
Bull Group, founded in 2008 and listed on the Shanghai Stock Exchange in 2020, is a leading Chinese electrical company with 2025 revenue of RMB 16.03 billion. This patent represents an ongoing focus on cost optimization in electrical connection technology for EV charging application
