Protection mechanism of external transmission line for electronic engineering

The utility model relates to the technical field of protection mechanisms, in particular to a protection mechanism of an external transmission line for electronic engineering, which comprises a wire slot, a threaded hole and a sliding chute, a threaded shaft is spirally connected to the lower end of the inner side of the wire slot and penetrates through the wire slot, a connecting block is fixedly connected to the upper end of the threaded shaft and is rotationally connected with the wire slot, and the threaded hole is connected with the sliding chute. According to the device, through the arrangement of the support and the bolt, when the device is used, one end of a transmission line is placed in the circular ring of the support, then the bolt is rotated to drive the gasket to extrude the transmission line, the transmission line is fixed in the support, and the transmission line is fixed in the support; then the support is plugged into the corresponding through hole of the wire groove, the fixing block is pus