Power supply head , power supply module and shot -light

The utility model relates to a power connection technical field provides a power supply head, include first pivot, wear to locate two first shell fragments of first pivot and set up in first pivot twoinside second shell fragments, first pivot includes first pivot main part, and two first through -holes have been seted up to first pivot main part, first shell fragment wears to locate first through-hole one to one and expose at the top, and the top of two first shell fragments can be along the radial elastic movement of first pivot, and then changes the distance between the top of two first shell fragments, the second shell fragment sets up one to one in first through -hole, and the elasticity butt is between the inside wall of first shell fragment and first through -hole, provides the resilience force for first shell fragment. The utility model provides an including above -mentioned power supply head's power supply module with including above -mentioned power supply module's shot -light, the utility model prov