The invention provides a turnover seat with a locking mechanism. The turnover seat comprises a turnover seat assembly, a left support arm, a right support arm and a support mounting plate, and rotating shafts extending out of the two sides of the turnover seat assembly are inserted into rotating shaft limiting holes in the left support arm and the right support arm respectively; the left support arm and the right support arm are fixed through a support mounting plate; the turnover seat assembly comprises a framework assembly, a turnover mechanism and a locking mechanism, the framework assembly is of a frame structure, an end plate is arranged at the lower end of the framework assembly, the turnover mechanism is arranged on the upper side of the end plate and comprises a rotating shaft and a torsional spring sleeving the rotating shaft, the two ends of the rotating shaft are installed on the left supporting arm and the right supporting arm respectively, and the two ends of the torsional spring are hung on the shaft of the framework assembly; the locking mechanism comprises a locking pin installed on the end plate, an arc-shaped overturning limiting groove in the left supporting arm and a locking hole in the lower end of the overturning limiting groove. When the turnover seat is not used, the turnover seat is in an upturning state, the seat surface is fixed and cannot be turned downwards, and when the turnover seat needs to be used, the seat surface can be turned downwards after a worker unlocks the turnover seat by using a special key.

    本发明提供一种带锁定机构的翻转座椅,包括翻转椅面组成、左支臂、右支臂、支座安装板,翻转椅面组成两侧伸出的转轴分别插入左支臂和右支臂上的转轴限位孔内;左支臂和右支臂通过支座安装板固定;翻转椅面组成包括骨架组成、翻转机构和锁止机构,骨架组成为框架结构,下端设有端板,端板上侧设有翻转机构,翻转机构包括旋转轴和套装于其上的扭簧,旋转轴两端分别安装在左支臂和右支臂上,扭簧两端挂在骨架组成的轴上;锁止机构包括安装在端板上的锁止销、左支臂上的弧形翻转限位槽和翻转限位槽下端的锁止孔。本发明可在不使用状态时,使翻转座椅在上翻状态,椅面固定不可下翻,需要使用时,由工作人员使用专用钥匙解锁后,椅面可下翻。


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    Titel :

    Turnover seat with locking mechanism


    Weitere Titelangaben:

    一种带锁定机构的翻转座椅


    Beteiligte:
    DONG TAOTAO (Autor:in) / WANG ZHEDONG (Autor:in) / CAO YU (Autor:in) / ZHANG BO (Autor:in)

    Erscheinungsdatum :

    2023-10-27


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

    IPC:    B61D Einzelheiten oder Arten des Wagenaufbaus von Eisenbahnfahrzeugen , BODY DETAILS OR KINDS OF RAILWAY VEHICLES



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