The invention discloses a novel data transmission line, comprising a first usb plug and a second usb plug electrically connected through a data line; a support block is arranged on the data line through the a through hole string. The through hole of the support block is arranged in the middle of the support block; A wiping cloth layer is arranged on the inner wall of the through hole; Two arc-shaped bending bars are fixedly arranged on the left and right sides of the support block; A flexible rubber bucket is fixedly mounted on the upper end face of the support block; The inner cavity of the flexible rubber barrel is communicated with a through hole through a channel; The upper and lower inner walls of the inner cavity of the flexible rubber barrel are connected by a third spring; The outer side of the flexible rubber barrel is fixedly provided with a threaded outer ring positioned on the upper end face of the support block.