Annotate liquid seal group and close piece, power battery cover plate subassembly and power battery

• Main Author: LIU XIUQIN
• Format: Patent
• Language: Chinese; English
• Published: 16.03.2018
• Subjects: BASIC ELECTRIC ELEMENTS; ELECTRICITY; PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY

The utility model discloses an annotate liquid seal group and close piece, power battery cover plate subassembly and power battery annotates liquid seal group and closes the piece including sealed bracket, seal valve and start -up ring, sealed bracket is provided with the seal valve mounting hole, the seal valve adaptation install in on the seal valve mounting hole, just the seal valve with sealedbracket seal welded, the seal valve is provided with ascending first boss, the start -up ring is provided with the adaptation and passes the first through -hole of first boss, seal valve and the range upon range of setting of start -up ring, start the ring through first through -hole wear the cover in on the first boss. The utility model discloses increase to annotate liquid seal group and closethe piece on the power battery cover plate subassembly, annotate liquid through carry out the secondary to power battery, life -span of effectual extension power battery, simultaneously, the risk of fracture is eliminated to t