The present invention provides a lumbar support installed on a vehicle seat to support a lumbar portion of a user. According to the present invention, the lumbar support for a vehicle seat comprises: a support panel to support a back portion of a user; a first wire and a second wire to support a bottom portion of the support panel; a towing wheel to restrict each end of the first and second wires to wind the first and second wires on a circumferential surface thereof; and a driving unit to rotate and drive the towing wheel. The towing wheel includes: a first wire guide groove extended and formed along the circumferential surface to wind the fire wire thereon; and a second wire guide groove extended and formed along the circumferential surface at a thickness direction position different from the first wire guide groove to wind the second wire thereon. The lumbar support for a vehicle seat can improve sitting comfort by properly changing supporting power for a lumbar portion.
本发明提供设置于车辆座椅来支撑使用人员的腰椎部位的腰撑。根据本发明,本发明可提供如下的车辆座椅用腰撑,即,包括:支撑板,用于支撑使用人员的背部;第一金属线及第二金属线,用于支撑支撑板的下端部位;牵引轮,第一金属线及第二金属线各自的端部受到限制,在周围面卷绕第一金属线及第二金属线;以及驱动部,用于使牵引轮旋转驱动,牵引轮包括:第一金属线导槽,沿着周围面延伸而成,卷绕第一金属线;以及第二金属线导槽,在与第一金属线导槽不同的厚度方向位置中,沿着周围面延伸而成,卷绕第二金属线。本发明的车辆座椅用腰撑可适当改变对于腰椎部位的支撑力来改善就坐感。
LUMBAR SUPPORT FOR VEHICLE SEAT
车辆座椅用腰撑
2021-06-29
Patent
Electronic Resource
Chinese
IPC: | B60N SEATS SPECIALLY ADAPTED FOR VEHICLES , Sitze besonders für Fahrzeuge ausgebildet |