Noise-absorbing paper roll in pipe and transmission shaft with noise-absorbing paper roll in pipe

The utility model relates to a noise-absorbing paper roll in a pipe and a transmission shaft with the noise-absorbing paper roll in the pipe. The paper roll comprises a paper tube and corrugated paper, the paper tube is a round paper tube, the corrugated paper is of a corrugated structure, and the multiple pieces of corrugated paper are sequentially wound and pasted to the outer side of the paper tube in the preset inclined direction. The paper roll winding device is simple in structure, ingenious in design, capable of solving the problem of manual paper roll winding, suitable for all transmission shafts, capable of improving production efficiency and saving time and labor cost, and more remarkable in noise reduction and shock absorption effect. 本实用新型涉及一种管内吸噪纸卷及管内具有吸噪纸卷的传动轴，所述纸卷包括纸筒和瓦楞纸；所述纸筒为圆纸筒，所述瓦楞纸具有瓦楞结构，多片所述瓦楞纸按预定倾斜方向依次缠绕粘贴在所述纸筒外侧。本实用新型结构简单，设计巧妙，能够解决人工卷制纸卷的问题，适用于所有传动轴，能够提高生产效率，节省时间与人工成本，降噪减震效果更加显著。