Seat height adjustment mechanism, seat portion and seat

Abstract

The present application relates to a seat height adjustment mechanism, a seat portion and a seat. The seat height adjustment mechanism is configured to adjust a height of a seating surface of a seat portion of a child safety seat relative to a placement surface of the seat portion. The seat height adjustment mechanism includes: a first adjusting surface and a second adjusting surface and an adjusting member. The first adjusting surface and the second adjusting surface are located on a bottom side of the seat portion and have different heights relative to the seating surface. The adjusting member is disposed on the bottom side of the seat portion and has a first position and a second position. When at the first position, the adjusting member abuts against the first adjusting surface; when at the second position, the adjusting member abuts against the second adjusting surface. The adjusting member can be switched between the first position and the second position.

Images