SUPPORTING LEG TELESCOPIC STRUCTURE AND CHILD SAFETY SEAT

The present disclosure provides a telescopic support leg structure, including a base (1) and a support leg pedestal (2). A reinforcing rod (3) is mounted on the base (1). The support leg pedestal (2) is slidably connected to the reinforcing rod (3). A pressing block (31) and a support block (32) are arranged at an end of the reinforcing rod (3) connected to the support leg pedestal (2). The telescopic support leg structure further includes a connecting rod (4) extending through the support leg pedestal (2). The connecting rod (4) abuts against an upper surface of the reinforcing rod (3). A first rail (5) configured to engage with the connecting rod (4) is formed between the support block (32) and the upper surface of the reinforcing rod (3). The support leg pedestal (2) is provided with a first flange (21). A second rail (6) configured to engage with the first flange (21) is formed between the pressing block (31) and the base (1). In the telescopic support leg structure, the pressing block (31) and the support block (32) are arranged on the reinforcing rod (3), so that the first rail (5) is formed between the support block (32) and the reinforcing rod (3), and the second rail (6) is formed between the pressing block (31) and the base (1). In this way, the support leg pedestal (2) can be telescoped forward and backward relative to the base (1). Such a structure can reduce the shaking gap between the support leg pedestal (2) and the base (1), and involves a small number of parts, a reduced weight, and more easy and convenient installation operations. The present disclosure also relates to a child safety seat.