FIXING DEVICE FOR AN ARMREST OF AN AUTOMOBILE SEAT AND AUTOMOBILE SEATS

The present disclosure discloses a fixing device for an armrest of a car seat and a car seat, the fixing device comprises a fixing protrusion connected to the lower part of the armrest and a fixing recess arranged on each side of a cushion of the car seat, the fixing recess is close to a seat back of the car seat, and the fixing protrusion can be inserted into the fixing recess; one of the fixing protrusion and the fixing recess is provided with a locking projection, and the other is provided with a locking notch, the locking projection can be engaged to the locking notch, so that the fixing protrusion can be fixed into the fixing recess. The fixing device according to the present disclosure provides sufficient connection strength between the armrest and the car seat, and the assembly is convenient.