Efficient nitrogen filling equipment

The utility model relates to the technical field of nitrogen filling, in particular to efficient nitrogen filling equipment which comprises a main gas inlet pipe, a plurality of metal hoses, a sealing cover and a plurality of connecting pipes. Each connecting pipe comprises a connecting pipe main body, a second electromagnetic valve, a flow sensor and a third electromagnetic valve; a first electromagnetic valve and a pressure gauge are arranged on the main air inlet pipe; a first threaded connecting pipe and a second threaded connecting pipe are respectively arranged at two ends of the connecting pipe main body; the second electromagnetic valve is mounted on the connecting pipe main body; the flow sensor and the third electromagnetic valve are both installed on the branch air inlet pipe. The air inlet end at one end of each metal hose is detachably mounted on the branch air inlet pipe; the sealing cover is in threaded connection with the first threaded connection pipe. According to the utility model, through