Title:
HEIGHT-ADJUSTABLE ARMREST, SEAT, AND VEHICLE
Document Type and Number:
WIPO Patent Application WO/2024/092914
Kind Code:
A1
Abstract:
A height-adjustable armrest, a seat, and a vehicle. The height-adjustable armrest comprises an armrest body (100) and a raising/lowering mechanism (200) for driving the armrest body (100) to move in the vertical direction. The raising/lowering mechanism (200) comprises: a mounting plate (201); elastic telescoping assemblies (202), each having an telescoping end connected to the armrest body (100); positioning blocks (203), fixedly mounted on the mounting plate (201), a raising/lowering guide groove (2031) being provided on each positioning block (203), and at least two height positioning slots (2032) being formed in the bottom of each raising/lowering guide groove (2031) in the height direction thereof; a positioning support (204), slidably connected to the raising/lowering guide grooves (2031), the positioning support (204) being connected to the armrest body (100), and positioning holes (2041) being provided on the side of the positioning support (204) close to the raising/lowering guide grooves (2031); spherical members (205) that work in conjunction with the height positioning slots (2032) and the positioning holes (2041) to implement positioning between the positioning blocks (203) and the positioning support (204); a stop block (206), a recessed portion (2061) being provided on the side of the stop block (206) close to the positioning support (204); a raising/lowering pulling assembly (207), provided on the armrest body (100) and used for pulling the stop block (206) to move in the vertical direction; and an elastic reset member (208), connected to the stop block (206) and the positioning support (204). The height-adjustable armrest can achieve height adjustment, so as to satisfy use requirements of people of different heights and improve the riding comfort.
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Inventors:
WANG ZHEDONG (CN)
DONG TAOTAO (CN)
WANG YUCHI (CN)
DONG TAOTAO (CN)
WANG YUCHI (CN)
Application Number:
PCT/CN2022/134501
Publication Date:
May 10, 2024
Filing Date:
November 25, 2022
Export Citation:
Assignee:
CRRC CHANGCHUN RAILWAY VEHICLES CO LTD (CN)
International Classes:
B61D33/00; A47C1/03; A47C7/54; B60N2/75
Attorney, Agent or Firm:
UNITALEN ATTORNEYS AT LAW CO., LTD. (Scitech PlaceNo.22, Jian Guo Men Wai Ave. Chao Yang District, Beijing 4, CN)
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