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1. (WO2018121291) DIFFERENTIAL, AND VEHICLE

Pub. No.:    WO/2018/121291    International Application No.:    PCT/CN2017/116565
Publication Date: Fri Jul 06 01:59:59 CEST 2018 International Filing Date: Sat Dec 16 00:59:59 CET 2017
IPC: F16H 48/11
F16H 48/24
F16H 48/34
Applicants: BYD COMPANY LIMITED
比亚迪股份有限公司
Inventors: LING, Heping
凌和平
ZHAI, Zhen
翟震
HUANG, Changan
黄长安
LUO, Yongmeng
罗永孟
Title: DIFFERENTIAL, AND VEHICLE
Abstract:
A differential (100), and vehicle (10000). The differential (100) comprises: two planetary gear mechanisms, wherein ring gears (13, 23) are used as a power output end, an input portion and two planet carriers (11, 21) are coaxially arranged, and the input portion is linked to the two planet carriers (11, 21); a power engagement device (400) comprising a first and second engagement portion (410, 420), wherein the first engagement portion (410) is connected to one of the two ring gears (13, 23), the second engagement portion (420) rotates synchronously with the two planet carriers (11, 21), and the two planet carriers (11, 21) form a power input end of the differential (100); and an engagement portion drive device (500) comprising a drive pin (510) and a drive portion, wherein the drive portion is configured to drive the drive pin (510) to drive the second engagement portion (420) to move along an axle direction toward the first engagement portion (410), such that the second engagement portion (420) is engaged with the first engagement portion (410). In this way, the differential of the present invention can lock two half axles to improve the ability of a vehicle to handle rough terrain.