The invention belongs to the technical field of vehicle-mounted table plates, and particularly relates to a multi-stage adjusting manual table plate integrated on a chair back plate, which comprises a table plate supporting piece and an adapting piece for connecting the table plate supporting piece with a vehicle seat, and the adapting piece comprises a connecting rod mounting bracket and a table plate fixing bracket, a first connecting rod and a second connecting rod are hinged to one side of the table plate fixing support, and the other ends of the first connecting rod and the second connecting rod are hinged to the connecting rod mounting support; a pawl reversing block, a pawl and a ratchet wheel are movably mounted on the inner side of the connecting rod mounting bracket through a rotating shaft; the ratchet wheel and the second connecting rod are coaxially connected and are fixed through a pin; local teeth on the ratchet wheel are in contact with the pawl for positioning, so that a plurality of different included angles can be formed between the table plate supporting piece and a vehicle seat after the table plate supporting piece is unfolded; and the multi-stage adjustment of the table plate supporting piece can adapt to the use habits of different users, so that the applicable crowd of the device is increased.

    本发明属于车载桌板技术领域,具体为一种集成于椅背板的多级调节手动桌板,包括桌板支撑件,以及连接桌板支撑件与车辆座椅的转接件,所述转接件包括连杆安装支架与桌板固定支架,所述桌板固定支架的一侧铰接有一号连杆和二号连杆,一号连杆和二号连杆的另一端均与连杆安装支架铰接;所述连杆安装支架的内侧通过转轴活动安装有棘爪换向块、棘爪和棘轮;所述棘轮与二号连杆同轴连接,且两者通过销钉固定;本装置通过棘轮上的局部齿与棘爪接触进行定位,使得桌板支撑件在展开后与车辆座椅之间能存在多个不同角度的夹角;桌板支撑件的多级调节,能适应不同用户的使用习惯,进而增大本装置的适用人群。


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    Title :

    Multi-stage adjustment manual table board integrated on chair back board


    Additional title:

    一种集成于椅背板的多级调节手动桌板


    Contributors:
    JIANG JINKUN (author) / LUO HAIBIN (author)

    Publication date :

    2025-04-29


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B60N SEATS SPECIALLY ADAPTED FOR VEHICLES , Sitze besonders für Fahrzeuge ausgebildet



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