Temperature measuring assembly of external plug-in

The utility model discloses a temperature measuring assembly with an external plug-in, which comprises a heating body, a temperature sensor, a signal plug-in used for signal transfer, a buckle cover sleeved at the top end of the heating body, and an insulator sleeved outside the heating body, the insulator is provided with a containing groove used for fixedly installing a temperature sensor, an installing base is arranged on the outer side of the containing groove, a signal inserting pin is further embedded in the installing base, and the signal inserting piece and the installing base are installed in a matched mode. According to the utility model, the temperature sensor and the insulator are fixed together, the signal pin is led out and fixed, and sealing processing is carried out, so that the temperature sensor is separated from the heating body, and the temperature sensor chip is free of extra protection; the limiting ring and the buckle cover are matched front and back to prevent the heating body from mov