The invention relates to an automobile seat with a manually adjusted backrest, which belongs to the field of automobile seats and comprises a backrest framework, a seat framework, a connecting plate and an angle adjusting mechanism. The connecting plate is fixedly connected with the seat framework; the backrest framework is hinged with the connecting plate through a middle shaft; the angle adjusting mechanism comprises a right rotating arm, a left rotating arm, a transverse rod, a threaded rod, a sliding block, a turbine, a worm, a ratchet wheel rod, a locking rod, a guide rail and a bottom plate. The slide block is slidably connected with the guide rail; the cross rod is fixedly connected with the sliding block; the worm is fixedly connected with the ratchet rod and is meshed with the turbine; the turbine is fixedly connected with the threaded rod; the threaded rod is in threaded connection with the sliding block; the ratchet rod is adopted to drive the worm to rotate, the worm drives the worm wheel to drive the threaded rod to rotate and drive the sliding block to move, and then the transverse rod is utilized to push the right rotating arm and the left rotating arm, so that the backrest tilts backwards; and the requirements of different people on accurate adjustment of the comfort degree of the backrest are met.
本发明涉及一种手动调节靠背的汽车座椅,属于汽车座椅领域,包括靠背骨架、座骨架、连接板和调角机构;连接板与座骨架固定连接;靠背骨架通过中轴与连接板铰接;调角机构包括右转臂、左转臂、横杆、螺纹杆、滑块、涡轮、蜗杆、棘轮杆、锁定杆、导轨和底板;滑块与导轨滑动连接;横杆与滑块固定连接;蜗杆与棘轮杆固定连接,并与涡轮啮合;涡轮与螺纹杆固定连接;螺纹杆与滑块螺纹连接;右转臂、左转臂上端分别与靠背骨架固定连接,二者的下端分别与横杆转动连接,由于采用棘轮杆带动蜗杆旋转,蜗杆驱动涡轮带动螺纹杆旋转,驱动滑块运动,进而利用横杆推动右转臂和左转臂,使靠背实现后倾,满足了不同人对靠背舒适度的精确调整需求。
Automobile seat capable of manually adjusting backrest
一种手动调节靠背的汽车座椅
2024-07-19
Patent
Electronic Resource
Chinese
IPC: | B60N SEATS SPECIALLY ADAPTED FOR VEHICLES , Sitze besonders für Fahrzeuge ausgebildet |
Automobile seat capable of adjusting angle of seat backrest
European Patent Office | 2020
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