The invention provides an automobile seat headrest adjusting mechanism. The mechanism comprises an inserting rod, a headrest is fixed to the top end of the inserting rod, the inserting rod can move up and down, and a locking opening is formed in the inserting rod; an adjusting assembly comprises a positioning piece and an unlocking piece, the positioning piece positions the inserting rod in the inserting hole of the seat body, the positioning piece comprises a left positioning piece, a connecting rod and a right positioning piece, and clamping windows of the left positioning piece and the right positioning piece can be clamped into locking openings of the inserting rod to position the inserting rod; the positioning piece has a locking state and an unlocking state, and the left positioning piece and the right positioning piece move in the same direction to be clamped into the locking opening to enter the locking state or move reversely to be separated from the locking opening to enter the unlocking state; the unlocking piece is used for unlocking the positioning piece from the locking opening and comprises a pressing ring and a pushing chamber; and the pushing chamber is fixed in a seat body, a first wedge-shaped block and a second wedge-shaped block are installed in the pushing chamber, and when the pressing ring is squeezed leftwards, the second wedge-shaped block can squeeze the right positioning piece rightwards, so that the left positioning piece and the right positioning piece are separated from the locking opening. The mechanism is convenient to operate and high in reliability.

    本发明提供一种汽车座椅头枕调整机构,包括插杆,插杆顶端固定头枕,插杆可上下移动,插杆上设有锁口;调整组件包括定位件和解锁件,定位件将插杆定位于座椅本体的插孔内,定位件包括左定位片、连杆和右定位片,左定位片和右定位片的卡窗可卡入插杆的锁口内以定位插杆;定位件具有锁定状态和解锁状态,左定位片和右定位片同向移动而卡入锁口内进入锁定状态、或者逆向移动而脱离锁口进入解锁状态;解锁件用于将定位件从锁口内解锁,解锁件包括按压环和推压室;推压室固定于座椅本体内,推压室内安装第一楔形块和第二楔形块,向左挤压按压环时,第二楔形块可向右挤压右定位片,使左定位片和右定位片脱离锁口。本发明操作便利,可靠性高。


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    Title :

    Automobile seat headrest adjusting mechanism


    Additional title:

    一种汽车座椅头枕调整机构


    Contributors:
    ZHU YUEDONG (author) / ZHU MING (author)

    Publication date :

    2021-10-29


    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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