Signal connection structure of LED display assembly and LED display assembly

The utility model provides a signal connection structure of an LED display assembly and the LED display assembly wherein the signal connection structure of the LED display assembly comprises a first connector; the second signal transmission part is provided with a connection position in conduction connection with the first signal transmission part and a disconnection position in disconnection with the first signal transmission part; the driving operation mechanism comprises a worm and a toothed bar meshed and matched with the worm, the worm is rotatably arranged between the second connecting base and the second signal transmission part, the axis of the worm is parallel to the moving direction of the second signal transmission part, the toothed bar is movably arranged on the second connecting base and connected with the second signal transmission part, the toothed bar is provided with a plurality of teeth, and the teeth are meshed and matched with the toothed bar. Each tooth extends by a circle in the circumfe