Title:
SEAT TILT ANGLE ADJUSTMENT MECHANISM AND VEHICLE ZERO-GRAVITY SEAT
Document Type and Number:
WIPO Patent Application WO/2023/109028
Kind Code:
A1
Abstract:
A seat tilt angle adjustment mechanism (400), and a vehicle seat including the seat tilt angle adjustment mechanism (400). The seat tilt angle adjustment mechanism (400) comprises: left and right base connecting rods (410a, 410b); left and right tilt adjustment connecting rods (420a, 420b), the lower ends of the left and right tilt adjustment connecting rods (420a, 420b) being hinged to front end portions of the left and right base connecting rods (410a, 410b); left and right front connecting rods (440a, 440b), the upper ends of the left and right front connecting rods (440a, 440b) being hinged to front end portions of left and right connecting rods (210a, 210b) of a seat cushion frame assembly (200); a transverse connecting rod (450), the left end of the transverse connecting rod (450) forms a rotary connection with the upper end of the left tilt adjustment connecting rod (420a) and the lower end of the left front connecting rod (440a) separately, and the right end of the transverse connecting rod (450) forms a rotary connection with the upper end of the right tilt adjustment connecting rod (420b) and the lower end of the right front connecting rod (440b); and a drive electric motor mechanism, wherein the drive electric motor mechanism drives, by means of a gear-rack structure, the left tilt adjustment connecting rod (420a) and the right tilt adjustment connecting rod (420b) to rotate synchronously, so as to adjust the tilt angle of a cushion.
Inventors:
LAN SHUNQIANG (CN)
CHEN YUEYUN (CN)
ZHANG WU (CN)
JIANG XIAOHAN (CN)
CAI TINGYONG (CN)
CHEN YUEYUN (CN)
ZHANG WU (CN)
JIANG XIAOHAN (CN)
CAI TINGYONG (CN)
Application Number:
PCT/CN2022/096718
Publication Date:
June 22, 2023
Filing Date:
June 02, 2022
Export Citation:
Assignee:
YANFENG INTERNATIONAL AUTOMOTIVE TECH CO LTD (CN)
International Classes:
B60N2/10; B60N2/02; B60N2/18
Domestic Patent References:
| WO2014203784A1 | 2014-12-24 |
Foreign References:
| CN214647735U | 2021-11-09 | |||
| CN113147531A | 2021-07-23 | |||
| CN113147532A | 2021-07-23 | |||
| CN214929155U | 2021-11-30 | |||
| CN214355644U | 2021-10-08 |
Attorney, Agent or Firm:
CCPIT PATENT AND TRADEMARK LAW OFFICE (CN)
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