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1. 发明公开

EP4385862A1 LOWER VEHICLE BODY REAR STRUCTURE AND VEHICLE 审中-实审
公开(公告)号：EP4385862A1
公开(公告)日：2024-06-19
申请号：EP22855091.9
申请日：2022-06-27
申请人： Great Wall Motor Company Limited
发明人： ZHANG, Shuren , HE, Zhijie , ZHANG, Tao , LI, Yuntao , CHEN, Qiang , LIANG, Xinyu , LI, Ren , WU, Wenbo
IPC分类号： B62D25/20 , B62D21/02
CPC分类号： B62D25/087 , B62D25/2027
摘要： A lower vehicle body rear structure and a vehicle. The lower vehicle body rear structure comprises a rear floor integrally formed in a die-casting mode, rear floor longitudinal beam rear sections (103) fixedly connected to the rear floor, a shelf (15), and a spare tire cabin (16). Rear floor longitudinal beams (1) arranged on two sides of the rear floor, and a rear floor middle cross beam (2) and a rear floor rear cross beam (6) which are connected between the rear floor longitudinal beams (1) are formed on the rear floor, and rear wheel covers (3) connected to the rear floor longitudinal beams (1) are respectively arranged on the two sides of the rear floor. The shelf (15) is located above the rear floor, and the two ends of the shelf (15) are connected to the rear wheel covers (3) by means of connecting plates (14); and the rear floor, the shelf (15) and the two connecting plates (14) are connected to form an annular structure. Two rear floor longitudinal beam rear sections (103) are provided to be connected to the rear ends of the rear floor longitudinal beams (1) on the two sides, a rear supporting plate (11) is connected between the rear ends of the two rear floor longitudinal beam rear sections (103), and the spare tire cabin (16) is arranged in a mounting space defined by the rear floor, the rear supporting plate (11), and the rear floor longitudinal beam rear sections (103) on the two sides. According to the lower vehicle body rear structure of the present disclosure, improvement of the overall arrangement structure of a vehicle body framework of the rear portion of the vehicle, the shelf, and the spare tire cabin is facilitated.

2. 发明公开

EP4385859A1 LOWER VEHICLE BODY FRONT STRUCTURE AND VEHICLE 审中-实审
公开(公告)号：EP4385859A1
公开(公告)日：2024-06-19
申请号：EP22855107.3
申请日：2022-06-29
申请人： Great Wall Motor Company Limited
发明人： CHEN, Qiang , HE, Zhijie , ZHANG, Tao , ZHANG, Shuren , LIANG, Xinyu , WU, Wenbo , LI, Ren , LI, Yuntao
IPC分类号： B62D21/02
CPC分类号： B62D25/082 , B62D21/152
摘要： A lower vehicle-body front structure and a vehicle are provided in the present application. The lower vehicle-body front structure includes front longitudinal beams of an engine room respectively arranged at two sides, a front anti-collision beam connected between front ends of the front longitudinal beams of the engine room at the two sides, and a rear transverse beam of the engine room connected between rear ends of the front longitudinal beams of the engine room at the two sides. The front longitudinal beams of the engine room at the two sides are respectively connected to a front shock absorber seat. Front ends of the front longitudinal beams of the engine room at the two sides are connected to a front anti-collision beam assembly through connecting seats, and the connecting seat is provided with an energy absorption part. Outer sides of the front shock absorber seats at the two sides are respectively connected to side beams of front wheel covers, and an upper transverse beam of the front engine room is connected between side beams of the front wheel covers at the two sides, and the upper transverse beam of the front engine room is arched in a direction towards a front of a vehicle body, and an energy absorption box of the upper transverse beam of the front engine room is respectively connected between the upper transverse beam of the front engine room and each of the front shock absorber seats at the two sides. The extension section of the front anti-collision beam, the energy absorption part and the energy absorption box of the upper transverse beam of the front engine room are arranged in sequence in a direction pointing to a rear of the vehicle body. The lower vehicle-body front structure according to the present application can effectively improve collision protection performance at the front of the vehicle body.

3. 发明公开

EP4385858A1 LOWER VEHICLE BODY MIDDLE STRUCTURE AND VEHICLE 审中-实审
公开(公告)号：EP4385858A1
公开(公告)日：2024-06-19
申请号：EP22855098.4
申请日：2022-06-28
申请人： Great Wall Motor Company Limited
发明人： LIANG, Xinyu , HE, Zhijie , ZHANG, Tao , ZHANG, Shuren , CHEN, Qiang , WU, Wenbo , LI, Ren , LI, Yang , LI, Yuntao
IPC分类号： B62D21/02 , B60K1/04 , H01M50/233 , H01M50/244 , H01M50/271 , H01M50/249 , B62D25/20
CPC分类号： Y02T10/70 , B62D25/20 , B60K1/04 , B60K2001/043820130101
摘要： A lower vehicle-body middle structure and a vehicle. The lower vehicle-body middle structure includes sill beams (100) respectively arranged at two sides, a overlap beam (20) connected between the sill beams (100) at the two sides, and a lower housing (30) of a battery pack connected to bottoms of respective sill beams (100) and respective overlap beams (20), and further includes a transverse beam (40) connected between the sill beams (100) at the two sides and floor panels (31). The sill beams (100), the overlap beams (20), the transverse beams (40), the floor panels (31) and the lower housing (30) of the battery pack together form an outer housing of the battery pack. A plurality of top walls are provided at an upper part of each sill beam (100) sequentially in an inward direction from an outer side of each sill beam (100), and respective top walls are all arranged to be inclined upward, with upward inclination angles increasing sequentially. At least one of the transverse beams (40) is an integrated beam body, including an upper beam body (45) and a lower beam body (46) which are integrally connected through an intermediate connecting plate (450). The upper beam body (45) and the lower beam body (46) are staggered along a front-and-rear direction of a vehicle body. A top of the upper beam body (45) is configured for mounting a seat, and a bottom of the lower beam body (46) is configured for connecting the lower housing (30) of the battery pack.

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