Battery case for driving battery system of vehicle

The invention relates to a battery case (13) for a vehicle battery, comprising a housing cover (10) and a housing tray (19), wherein the housing cover (10) and the housing tray (19) are connected to each other in a fluid-tight manner using a seal (30), and the housing cover (10) has an extension in the longitudinal direction (11) and in the transverse direction (12). In addition, the housing cover(10) is provided with a reinforcing rib (20). According to the invention, the reinforcing ribs (20) are formed from three different types of ribs, where the three types of ribs are formed from longitudinal ribs (21), transverse ribs (22) and diagonal ribs (23). At least one node (24) is present on the housing cover (10), and wherein three reinforcing ribs (20) formed by at least two different types of ribs (21, 22, 23) intersect at the node (24). 本发明涉及一种用于车辆电池的电池外壳(13)，包括外壳盖(10)和外壳托盘(19)。外壳盖(10)和外壳托盘(19)使用密封件(30)以流体密封的方式彼此连接，其中，外壳盖(10)在纵向方向(11)上和横向方向(12)上具有延伸。此外，外壳盖(10)具有加强筋(20)。根据本发明，加强筋(20)由三种不同类型的筋形成，其中，三种类型的筋由纵向筋