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1. (WO2018099212) SEAT BACKBOARD ASSEMBLY, SEAT AND VEHICLE

Pub. No.:    WO/2018/099212    International Application No.:    PCT/CN2017/107685
Publication Date: Fri Jun 08 01:59:59 CEST 2018 International Filing Date: Thu Oct 26 01:59:59 CEST 2017
IPC: B60N 2/68
Applicants: BYD COMPANY LIMITED
比亚迪股份有限公司
Inventors: GONG, Qing
宫清
GUO, Qiang
郭强
WEN, Danhua
文丹华
LI, Weiguo
李卫国
Title: SEAT BACKBOARD ASSEMBLY, SEAT AND VEHICLE
Abstract:
Provided are a seat backboard assembly (100), a seat, and a vehicle. The seat backboard assembly (100) comprises a first transverse tubular beam (1) and a second transverse tubular beam (2), the first transverse tubular beam (1) and the second transverse tubular beam (2) being spaced apart; a plurality of first fixed pipes (3) which are respectively connected between the first horizontal tubular beam (1) and the second horizontal tubular beam (2) and spaced apart in a longitudinal direction of the first transverse tubular beam (1) and the second transverse tubular beam (2), wherein, the plurality of first fixed pipes (3), together with the first transverse tubular beam (1) and the second transverse tubular beam (2), define a frame structure; and at least one second fixed pipe (4) sleeved on a part of the pipe section of the first fixed pipe (3); the first transverse tubular beam (1), the second transverse tubular beam (2), the first fixed pipe (3) and the second fixed pipe (4) being made of lightweight alloys. The seat backboard assembly (100) of the seat can increase strength and rigidity of the backboard assembly (100) under the premise of meeting a weight reduction, thereby satisfying requirements of the use of the backboard assembly (100).