The child seat structure (1) for automobiles, comprising a pair of hook (3) to hold the seat to the retention system of the automobile, characterised in that the structure also comprises holding means (6) in the seat of the automobile by the seat belt (5) of the automobile and tighten means (7) of said seat belt. Said structure (1) comprises a central profile (2) divided in three sectors: a substantially vertical sector (2a), an inclined intermediate sector (2b) and a substantially horizontal sector (2c). The child seat can be used either with the hook system or with the seat belt of the automobile itself. |