TRACTION BATTERY TOP COVER

A traction battery top cover, comprising a cover plate (20) provided with pole holes (22), poles (30), plastic bodies (60), sealing rings (40) and welding rings (50). Each pole hole (22) comprises a boss obliquely extending upwards in a radial direction, a mounting penetration hole (221) penetrating...

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Bibliographische Detailangaben
Hauptverfasser: XU, Tao, ZENG, Zhiliang, LU, Guoqiang, XIE, Dibo
Format: Patent
Sprache:chi ; eng ; fre
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Beschreibung
Zusammenfassung:A traction battery top cover, comprising a cover plate (20) provided with pole holes (22), poles (30), plastic bodies (60), sealing rings (40) and welding rings (50). Each pole hole (22) comprises a boss obliquely extending upwards in a radial direction, a mounting penetration hole (221) penetrating the boss, an accommodation slot (226) located under the mounting penetration hole (221), and a welding ring slot (225) located under the accommodation slot (226). Each pole (30) comprises a fixing projecting ring (31) with an outer diameter greater than an inner diameter of the mounting penetration hole (221), and an upper end (32) and a lower end (33), which respectively extend from an upper and a lower end of the fixing projecting ring (31). The sealing ring (40) is clamped between the boss and the fixing projecting ring (31). The welding ring (50) is isolated from the pole (30) by the plastic body (60), and the welding ring (50) is accommodated in the welding ring slot (225) and is fixedly welded to the cover p