Automobile vehicle-mounted power supply fixing device

The utility model relates to the technical field of automobile auxiliary devices. The utility model further discloses an automobile vehicle-mounted power supply fixing device. The device comprises a fixed seat and a vehicle-mounted power supply, a non-adhesive glue plate is fixedly mounted at the bottom of the fixed seat; a sucking disc is fixedly arranged at the bottom of the fixed seat and is positioned in front of the non-adhesive glue plate; a connecting plate is fixedly mounted on the inner side surface of the fixed seat; a clamping seat is fixedly mounted at the top of the connecting plate; a first spring is fixedly connected to an inner cavity in the side surface of the clamping seat; one end of the first spring is fixedly connected with a clamping rod. Through cooperation of the fan-shaped clamping device and the second spring, it can be guaranteed that the fixing effect of the cigarette lighter input head on the vehicle-mounted output end is better. And through cooperation ofa first spring and a clam