The invention discloses an automobile rear seat backrest angle adjusting driver which comprises a driving motor, a middle speed reducer, an output screw rod and a movable sliding block which are sequentially connected in a driving mode, a power output shaft of the driving motor and the output screw rod are spaced in parallel, the power output shaft is provided with a first worm, and the end of the output screw rod is provided with a second worm wheel. A first worm gear and a second worm which are coaxial and rotate synchronously are embedded in a box body containing cavity of a speed reducer box body of the middle speed reducer, the first worm gear and the second worm are rotationally installed on the speed reducer box body through a mandrel, the first worm is meshed with the first worm gear, and the second worm is meshed with the second worm gear. A screw bearing is rotationally installed at the inner end, corresponding to the output screw, of the speed reducer box, an adjusting nut is installed in an inner hole of the screw bearing in a screwed mode, a screw abrasion-resistant pad is embedded in a nut containing cavity of the adjusting nut, and the screw abrasion-resistant pad makes contact with the output screw in an abutting mode. Through the structural design, the self-locking device has the advantages of being novel in structural design, good in stability and reliability and good in self-locking stability.
本发明公开了一种汽车后排座椅靠背角度调节驱动器,其包括依次驱动连接的驱动电机、中间减速器、输出螺杆、活动滑块,驱动电机的动力输出轴与输出螺杆平行间隔,动力输出轴装设第一蜗杆,输出螺杆端部装设第二蜗轮;中间减速器的减速器箱体的箱体容置腔内嵌装同轴且同步转动的第一蜗轮、第二蜗杆,第一蜗轮、第二蜗杆通过一芯轴转动安装于减速器箱体,第一蜗杆与第一蜗轮相啮合,第二蜗杆与第二蜗轮相啮合;减速器箱体对应输出螺杆的内端部转动安装螺杆轴承,螺杆轴承的内孔螺装调节螺母,调节螺母的螺母容置腔内嵌装螺杆耐磨垫,螺杆耐磨垫与输出螺杆抵压接触。通过上述结构设计,本发明具有结构设计新颖、稳定可靠性好且自锁稳定性好的优点。
Angle adjusting driver for back row seat backrest of automobile
一种汽车后排座椅靠背角度调节驱动器
2025-04-25
Patent
Electronic Resource
Chinese
IPC: | B60N SEATS SPECIALLY ADAPTED FOR VEHICLES , Sitze besonders für Fahrzeuge ausgebildet |
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