Patent attributes
A backrest locking mechanism is adapted for a backrest and a base of a child safety seat. The backrest is detachably connected to the base, and the backrest locking mechanism includes a locking pin, a locking component and an operating component. The locking pin is disposed on one of the backrest and the base. The locking component is disposed on another one of the backrest and the base. A locking hole structure is formed on the locking component. The locking pin is configured to detachably engage with the locking hole structure. The operating component is movably disposed on the backrest or the base. The operating component drives the locking pin and the locking hole structure to engage with or disengage from each other when the operating component is operated.
