The invention discloses a pre-tightening device, a safety belt assembly and a vehicle, and belongs to the technical field of safety belts. The pre-tightening device comprises a transmission part, a gear part and a motor, the transmission part comprises a first shaft body and a second shaft body, the first shaft body and the second shaft body are arranged in parallel and at an interval, a first gear is arranged at the first end of the first shaft body, and a second gear is arranged at the second end of the second shaft body; a rotating shaft of the motor is provided with a third gear, the third gear is meshed with the first gear and the gear piece, and the gear piece is further meshed with the second gear. The pre-tightening device is simple in structure, the safety belt can be locked, the pre-tightening device can be manufactured independently, the arrangement mode that a motor is fixed in a retractor in the related technology is replaced, and installation of structures such as a safety air bag is facilitated.
本申请公开了一种预紧装置、安全带组件及车辆,属于安全带技术领域。该预紧装置包括:传动件、齿轮件和电机,传动件包括第一轴体和第二轴体,第一轴体和第二轴体平行且间隔设置,第一轴体的第一端具有第一齿轮,第二轴体的第二端具有第二齿轮;电机的转轴上设置有第三齿轮,第三齿轮分别与第一齿轮和齿轮件啮合,齿轮件还与第二齿轮啮合。该预紧装置结构简单,不仅可以实现对安全带的锁紧,而且可以独立制备,取代了相关技术中将电机固定在卷收器中的设置方式,便于诸如安全气囊等结构的安装。
Pre-tightening device, safety belt assembly and vehicle
预紧装置、安全带组件及车辆
2022-05-03
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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