What Is a Threaded Coupler?

The utility model relates to a screw connection structure of an electrical connector, which is composed of a shell, a screw sleeve and a tail cover. There is a gap between the screw sleeve and the tail cover. A tail cover is arranged in the shell, and a screw sleeve is provided between the tail cover and the shell. The inner surface of the shell is provided with an internal thread connected with the screw sleeve. An internal annular groove connected with the tail cover is provided. This threaded connection structure not only secures the connection between the housing and the tail cover, but also realizes the relative rotation between the housing and the tail cover. Right alignment.