The invention relates to a seat armrest adjusting mechanism assembly which comprises a ratchet wheel, a pawl and a tooth shielding plate; the ratchet wheel is used for being fixedly connected with a seat framework extending shaft; the pawl is matched with the ratchet wheel and rotates around the axis of the ratchet wheel along with a seat armrest; the tooth shielding plate and the ratchet wheel are arranged side by side and are arranged on the seat framework extending shaft in a sleeving mode to rotate; the outer diameter of a tooth shielding part on the tooth shielding plate is larger than that of a ratchet on the ratchet wheel, so that the tooth shielding part can be used for shielding the ratchet; and the pawl covers the tooth shielding plate and the ratchet wheel at the same time in the thickness direction of the pawl. The seat armrest adjusting mechanism assembly is used for the multi-gear height adjustment of the seat armrest, supports the arms of passengers and improves the comfort of seat adjustment. For different armrests, universal core parts are adopted, only parts related to models need to be changed, therefore, development cost can be saved, and a development period can be shortened.

    本发明涉及一种座椅扶手调节机构总成,包括棘轮、棘爪和遮齿板,所述棘轮用于与座椅骨架伸出轴固定连接;所述棘爪与棘轮配合,并且随着座椅扶手绕棘轮的轴心转动;所述遮齿板与棘轮并排布置,套在座椅骨架伸出轴上旋转;所述遮齿板上遮齿部的外径大于棘轮上棘齿处的外径,用于遮挡棘齿;所述棘爪在厚度方向上同时覆盖遮齿板和棘轮。本发明用于座椅扶手的多档位高低调节,对乘客手臂支撑,提高座椅调节的舒适性。针对不同的扶手,采用通用的核心部件,只需要更改与造型相关的零件即可,可以节省开发成本和开发周期。


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    Title :

    Seat armrest adjusting mechanism assembly


    Additional title:

    一种座椅扶手调节机构总成


    Contributors:
    MEI BO (author) / LUO ZHAO (author)

    Publication date :

    2020-08-11


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B60N SEATS SPECIALLY ADAPTED FOR VEHICLES , Sitze besonders für Fahrzeuge ausgebildet / A47C Stühle , CHAIRS / B61D Einzelheiten oder Arten des Wagenaufbaus von Eisenbahnfahrzeugen , BODY DETAILS OR KINDS OF RAILWAY VEHICLES



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