Child seat restraining bar structure

A child seat 100 is provided with a restraining bar structure 108 having an elastic or rigid link element 126 that can be connected with a seating board 104 of the child seat in a detachable manner. The restraining bar structure 108 can be adjusted between different configurations, including an upright position engaged with a holder socket 116 of the seating board 104 for restraining a child, and a collapsed position out of engagement with the holder socket 116 and lying horizontally on the seating board 104. The link element 126 can be easily detached from the seating board 104 for fully removing the restraining bar structure 108 from the child seat.