Adjusting device and carrier

Abstract

An adjusting device includes: a locking member having a locking position and an unlocking position; and an adjusting member including a fixed end, an operation end, at least two sliding connection parts and at least one engaging part that are alternately disposed between the fixed end and the operation end. Each sliding connection part is in sliding fit with the locking member, allowing the locking member to slide relative to the adjusting member on the sliding connection part. In the locking position of the locking member, the engaging part blocks the locking member from sliding relative to the adjusting member from a side of the engaging part away from the operation end towards the operation end. In the unlocking position of the locking member, the locking member is slidable relative to the adjusting member from the side of the engaging part away from the operation end towards the operation end.

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