Capillary tube tail fiber temperature sensor

The utility model relates to the technical field of temperature sensor equipment, in particular to a capillary tail fiber temperature sensor, which comprises a temperature sensor main body, one end of the temperature sensor main body is provided with a touch sensitive head, and one end of the temperature sensor main body far away from the touch sensitive head is fixedly connected with a tail fiber. The end, close to the tail fiber, of the temperature sensor body is fixedly connected with a shell, a limiting ring is fixedly connected into the shell, the end, away from the temperature sensor body, of the shell is in threaded connection with a protection ring, the middle of the inner side wall of the protection ring is fixedly connected with a limiting block, and the outer side wall of the limiting block is fixedly connected with a buffering sleeve. According to the utility model, the housing and the limiting rings are arranged, and the plurality of copper limiting rings are arranged at the tail fiber and the wi