The invention discloses an automobile seat headrest structure which comprises a headrest body, a support and a front-back driving device. The headrest body comprises a supporting piece used for supporting the head, and the supporting piece is arranged on the support in a front-back moving mode. The front-back driving device comprises a driving motor, a first lead screw and a first sliding block. A machine body of the driving motor is mounted on the bracket; the first screw rod is in transmission connection with an output shaft of the driving motor; the first sliding block is screwed outside the first lead screw in a matched manner; the first sliding block is connected with the supporting piece. The support is provided with a front limiting part and a rear limiting part which are arranged in front of and behind the first sliding block respectively. The front limiting part is used for abutting against the first sliding block to prevent the first sliding block from continuously moving forwards; the rear limiting part is used for abutting against the first sliding block to prevent the first sliding block from continuing to move backwards. According to the automobile seat headrest structure, stroke limitation of front-back adjustment can be achieved.
本发明公开了一种汽车座椅头枕结构,包括头枕主体、支架和前后驱动装置;头枕主体包括用于支撑头部的支撑件,支撑件可前后运动地设置在支架上;前后驱动装置包括驱动电机、第一丝杆、第一滑块;驱动电机的机体安装在支架上;第一丝杆与驱动电机的输出轴传动连接;第一滑块匹配螺接在第一丝杆外;第一滑块与支撑件连接;支架上设置有分置在第一滑块前后的前限位部和后限位部;前限位部用于与第一滑块相抵以阻止第一滑块继续向前运动;后限位部用于与第一滑块相抵以阻止第一滑块继续向后运动。本发明的一种汽车座椅头枕结构,其能实现前后调节的行程限定。
Headrest structure of automobile seat
一种汽车座椅头枕结构
2023-06-23
Patent
Electronic Resource
Chinese
IPC: | B60N SEATS SPECIALLY ADAPTED FOR VEHICLES , Sitze besonders für Fahrzeuge ausgebildet |
European Patent Office | 2015
|European Patent Office | 2015
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