The invention discloses a spiral locking device, comprising a spiral body, spiral fixed cap, spiral body with a buckle groove. The spiral fixing cap can be rotated and plugged onto the spiral body, and a locking portion is arranged on the spiral fixing cap.
The buckle groove comprising an obliquely arranged strip groove body, one end of the strip groove body is provided with a groove body opening, and the other end is provided with a locking structure. The invention of spiral locking device realizes the quick disassembly and assembly of cable connection, also solves the complicated and time consuming installation of spiral fastening structure, and greatly saves the installation cost.