The invention discloses a supporting leg telescopic device and a child safety seat, and relates to the technical field of safety seats. Each supporting leg telescopic device comprises a shell, an unlocking piece, an outer pipe, a locking piece and a locking mechanism, the outer wall of the outer pipe is sleeved with the shell, the unlocking piece, the locking piece and the locking mechanism are arranged in the outer pipe, and the unlocking piece is fixedly connected with the shell. The unlocking piece moves in the length direction of the outer pipe to control the locking piece and the locking mechanism to be locked or separated so as to adjust the relative position between the shell and the outer pipe. The locking piece and the locking mechanism can be matched with each other, the unlocking piece is used for controlling the locking piece, and locking or separation between the locking piece and the locking mechanism is achieved by controlling the locking piece to be close to or away from the locking mechanism. According to the supporting leg telescopic device, the shell is pulled to control the lock releasing piece in the outer pipe to move, so that the locking piece and the locking mechanism are locked or separated, the relative position between the shell and the outer pipe is adjusted, the length of the supporting leg telescopic device is changed, the structure is simple, and stretching and retracting are convenient.

    本发明公开了一种支撑腿伸缩装置及儿童安全座椅,涉及安全座椅技术领域。支撑腿伸缩装置包括外壳、释锁件、外管、锁合件和锁紧机构,外壳套设在外管外壁,释锁件、锁合件和锁紧机构设置在外管内部,释锁件与外壳固定连接,释锁件沿外管的长度方向运动控制锁合件与锁紧机构锁紧或分离以调整外壳与外管之间的相对位置。锁合件与锁紧机构能够相互配合,释锁件用于控制锁合件,通过控制锁合件靠近或远离锁紧机构实现锁合件与锁紧机构之间的锁紧或分离。上述支撑腿伸缩装置通过拉动外壳控制外管内部的释锁件运动,进而使锁合件与锁紧机构锁紧或分离,以实现对外壳和外管之间相对位置的调整,改变支撑腿伸缩装置的长度,结构简单且伸缩便捷。


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    Title :

    Supporting leg telescopic device and child safety seat


    Additional title:

    一种支撑腿伸缩装置及儿童安全座椅


    Contributors:
    LIU JIANCHUN (author) / JI XUEWEI (author)

    Publication date :

    2021-04-30


    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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