Double-thread quick connection sleeve

The utility model relates to the technical field of connecting sleeves, in particular to a double-thread quick connecting sleeve which comprises a sleeve body, double threads are arranged on the inner wall of the sleeve body, two thread feeding points of the double threads are located at the two radial ends of the end face of the sleeve body respectively, and the thread pitch of the double threads is 2 mm. Outer threads used in cooperation with the double-line threads are arranged on the reinforcing steel bars used in cooperation with the sleeve body. The connecting sleeve has the effect of improving the connecting efficiency between the connecting sleeve and the reinforcing steel bar. 本申请涉及连接套筒的技术领域，尤其是涉及一种双线螺纹快速连接套筒，其包括套筒本体，所述套筒本体的内壁上设置有双线螺纹，所述双线螺纹的两个上丝点分别位于套筒本体端面径向的两端，所述双线螺纹的螺距为2mm，与所述套筒本体配合使用的钢筋上设置有与双线螺纹配合使用的外螺纹。本申请具有提高连接套筒与钢筋之间连接效率的效果。