Top cover structure

The utility model discloses a top cover structure, and aims to overcome the defect that the existing method for reducing the thickness of a top cover bracket has a limit and cannot continuously provide a space for a roll core. The top cover comprises a light plate, a sealing ring, a pole and a top c...

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Bibliographische Detailangaben
Hauptverfasser:	WANG LEI, XU LIUKOU, FANG LING, HUANG WEN, LI YANHONG, JIANG QINXU, CAO HUAYAN, CHEN XIANGDANG, WEN SHUTING, WANG YINGLAI
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BASIC ELECTRIC ELEMENTS ELECTRICITY PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
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Beschreibung
Zusammenfassung:	The utility model discloses a top cover structure, and aims to overcome the defect that the existing method for reducing the thickness of a top cover bracket has a limit and cannot continuously provide a space for a roll core. The top cover comprises a light plate, a sealing ring, a pole and a top cover support, the light plate is provided with a pole hole used for positioning the pole, two ends of the pole hole are provided with inwards turned edges, the pole and the sealing ring are arranged in the pole hole and abut against the turned edges at the two ends respectively, the top of the pole hole is flush with the light plate, and the top of the pole is lower than the surface of the top of the light plate. According to the battery pack provided by the invention, the pole is arranged below the surface of the light plate to save space for providing avoidance for the pole, so that the shell of the battery pack can be made to be higher, a larger accommodating space is provided for a roll core, and the energy den