Stable-connection Beidou satellite navigation system equipment interface for military auxiliary ship

The utility model belongs to the technical field of navigation equipment, and particularly relates to a Beidou satellite navigation system equipment interface with stable connection for a military auxiliary ship, which comprises an equipment body, a circuit interface is arranged on the equipment body, a plug is inserted in the circuit interface, a wire harness is arranged on the plug, and the wire harness is connected with the equipment body. An external thread ring is fixedly connected to the equipment body, a thread bushing is slidably connected to the exterior of the wire harness, a sealing gasket is slidably connected to the interior of the thread bushing, and the sealing gasket is slidably connected with the external thread ring. According to the utility model, the sealing gasket, the sliding rod, the movable groove, the first spring and other parts are designed in the threaded sleeve, when the plug is plugged with the line interface, and the threaded sleeve is in threaded connection with the external th