The invention relates to the field of seat accessories, and particularly discloses an electric folding headrest with a self-locking function, an unlocking assembly comprises a connecting sliding block and an unlocking rod, the fixed end of an unlocking motor is connected with a cover cap, the output end of the unlocking motor is connected with the connecting sliding block, the unlocking rod is in transmission connection with the connecting sliding block, and the unlocking rod is in transmission connection with a self-locking ratchet and a locking ratchet. The locking ratchet is provided with an abutting groove, the self-locking ratchet is provided with an abutting protrusion matched with the abutting groove, the connecting assembly comprises a fixed ratchet, a rotating torsion spring and a supporting rod, the locking ratchet is matched with the fixed ratchet in shape, the outer wall of the supporting rod is fixedly sleeved with the fixed ratchet, and the outer wall of the supporting rod is sleeved with the rotating torsion spring; one end of the rotary torsion spring is connected with the cover cap, and the other end is connected with the fixed ratchet, and the supporting rod is fixedly connected with the headrest rod. The function of electrically controlling, overturning and folding the headrest is achieved, driving safety is facilitated, and due to the fact that the headrest has the self-locking function, the locking strength is enhanced, and the riding safety of passengers is improved.

    本发明涉及座椅配件领域,具体公开了一种带自锁功能的电动折叠头枕,解锁组件包括连接滑块和解锁杆,解锁电机的固定端与罩盖连接、输出端与连接滑块连接,解锁杆与连接滑块传动连接,解锁杆与自锁棘齿、锁止棘齿传动连接,锁止棘齿设有抵接凹槽,自锁棘齿设有与抵接凹槽配合抵接凸起,连接组件包括固定棘齿、旋转扭簧和支撑杆,锁止棘齿与固定棘齿形状配合,固定棘齿固定套设在支撑杆外壁,旋转扭簧套设在支撑杆外壁,旋转扭簧一端与罩盖连接、另一端与固定棘齿连接,支撑杆与头枕杆固定连接。本发明实现了电动控制翻转折叠头枕的功能,有利于行车安全,且由于头枕带有自锁功能,锁止强度增强,提高乘客乘坐的安全性。


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    Title :

    Electric folding headrest with self-locking function


    Additional title:

    一种带自锁功能的电动折叠头枕


    Contributors:
    ZHU SHUWEI (author) / XIA PENG (author) / HUANG CHUANSHAN (author)

    Publication date :

    2024-01-05


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B60N SEATS SPECIALLY ADAPTED FOR VEHICLES , Sitze besonders für Fahrzeuge ausgebildet



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