Ball picking device, racket sleeve and table-tennis table

The invention relates to a ball picking device, which comprises inner claws, outer claws, inner claw fixing elements and outer claw fixing elements, wherein the inner claws and the outer claws are made of elastic strips; the number of the inner claws is more than three; the upper ends of the inner claws are in fixed arrangement along the circumference; the lower ends of the inner claws are inwards collected; the number of the outer claws are more than three; the upper ends of the outer claws are in fixed arrangement along the circumference; the lower ends of the outer claws are outwards expanded; the outer claws are arranged at the outer layer of the inner claws; the lower ends of the outer claws are longer than the lower ends of the inner claws. The ball picking device has the advantages that the structure is simple; the operation is convenient; the cost is low; the carrying is convenient; the applicability is greatly improved. The invention also relates to a racket sleeve and a table-tennis table. 本发明涉及种捡球装