The invention discloses a folding driving device which comprises a driving mechanism, a gear assembly, a transmission assembly and a rotating seat used for being fixedly connected with a mirror base. The transmission assembly and the gear assembly are coaxially arranged and can be in transmission connection with the gear assembly; the gear assembly is in transmission connection with the output end of the driving mechanism; the transmission assembly and the rotating seat are coaxially arranged and are always connected in a relatively static manner; a limiting groove is formed in the side, facing the rotating base, of the base. An elastic piece and a limiting assembly used for limiting the limiting groove are arranged on the side, facing the base, of the rotating base, and the elastic piece can enable a gap to be generated between the rotating base and the base. When the base is limited and the gear assembly continuously rotates in the limited direction, the gear assembly presses against the transmission assembly in the axial direction, so that the rotating seat is attached to the base. In the invention, the transmission resistance between the base and the rotating seat can be reduced in the folding process of the rearview mirror, and meanwhile, the entering of wind and sand can be avoided and the generation of wind noise can be reduced after the rearview mirror is folded or unfolded in place.
本发明公开了一种折叠驱动装置,包括驱动机构、齿轮组件、传动组件和用于与镜基座固定连接的转动座;传动组件与齿轮组件同轴设置并能够与齿轮组件传动连接;齿轮组件与驱动机构的输出端传动连接;传动组件与转动座同轴设置并始终相对静止地连接;底座朝向转动座的一侧开设有限位槽;转动座朝向底座的一侧设置有弹性件和用于对限位槽限位的限位组件,弹性件能够使转动座与底座之间产生间隙;当底座被限位且齿轮组件沿被限位的方向持续旋转时,齿轮组件在轴向上压靠传动组件,使转动座与底座贴合。在本发明中,能够实现后视镜折叠过程底座与转动座之间减小传动阻力,同时还能够避免当后视镜折叠或者展开到位后避免风沙进入和减小风噪产生。
Folding driving device
一种折叠驱动装置
2021-05-18
Patent
Electronic Resource
Chinese
IPC: | B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR |
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