Belt type adjusting and clamping structure and baby jumping chair

The utility model relates to a belt type adjusting and clamping structure and infant jumping chair, wherein the infant jumping chair comprises an adjusting belt, a plurality of belt type adjusting and clamping structures and a chair body, the belt type adjusting and clamping structures are annularly arranged at intervals, and the chair body is located among the belt type adjusting and clamping structures. The belt type adjusting clamping structure comprises a shell, a fixed part and a sliding part, the fixed part and the sliding part are arranged in the shell, the fixed part is provided with a first containing groove and a belt passing hole, the first containing groove extends in the height direction of the fixed part, an opening of the first containing groove faces downwards, and the belt passing hole penetrates through the fixed part in the thickness direction of the fixed part; the sliding piece is arranged in the first containing groove in a sliding mode, belt penetrating holes penetrating in the thicknes