Battery pack double-layer module

• Main Authors: LIU YAN, YANG LIANG, ZONG FUCAI, ZHAO MING, LIU XINWEN
• Format: Patent
• Language: Chinese; English
• Published: 18.10.2019
• Subjects: BASIC ELECTRIC ELEMENTS; ELECTRICITY; PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY

The utility model discloses a double-layer module of a battery pack. The double-layer module comprises a base, a module unit and a bolt group, the module unit comprises an upper module and a lower module, and bolt holes are formed in the upper module, the lower module and the base; the bolt set comprises an upper bolt, a lower bolt and a nut, a lower threaded groove is formed in the end face of the head of the lower bolt, and the lower threaded groove is matched with a threaded rod of the upper bolt. The lower module is arranged on the base, and a bolt hole of the lower module is opposite to abolt hole of the base; the lower bolt sequentially penetrates through the bolt hole of the upper module and the bolt hole of the base from top to bottom and is locked through a nut. The upper die setis arranged on the lower die set, the bolt hole of the upper die set is opposite to the bolt hole of the lower die set, and the upper bolt sequentially penetrates through the bolt hole of the upper die set and the bolt hole o