Electric vehicle battery pack fixed structure

• Main Authors: KONG SUCUI, ZHENG MINGYIN, CUI HAILUN, YU ZHIGANG, XIE MINGCONG, SONG SICHUAN, DONG ZHIYONG, ZHOU ZHENHUI
• Format: Patent
• Language: Chinese; English
• Published: 15.03.2017
• Subjects: ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS INVEHICLES; ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OFTRANSMISSIONS IN VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GASEXHAUST OR FUEL SUPPLY OF PROPULSION UNITS, IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; PERFORMING OPERATIONS; TRANSPORTING; VEHICLES IN GENERAL

The invention discloses an electric vehicle battery pack fixed structure. The electric vehicle battery pack fixed structure comprises a bearing frame and a battery pack lower cover; the bearing frame is connected to the battery pack lower cover; an entirety composed of the bearing frame and the battery pack lower cover is fixedly connected to a vehicle body floor through fastening points. The bearing frame comprises a vehicle body beam and a vehicle body longitudinal beam, and the vehicle beam and the vehicle body longitudinal beam are welded into a rectangular frame body in a mode of head and tail corresponding with each other; concave shape grooves are formed in the middle positions of both the vehicle beam and the vehicle longitudinal beam, and the battery pack lower cover comprises a middle groove area block, a baffle welding area block and a vehicle body sealant smearing area block. Fastening nuts are arranged in the concave shape grooves, and the bearing frame is connected to the vehicle body sealant sm