Reinforcing tube type sheathed thermocouple

The utility model discloses a reinforced tube type sheathed thermocouple, which comprises a threaded cylinder, a moving block is in threaded connection in the threaded cylinder, a thermocouple body is arranged below the moving block, a connecting seat is arranged on the surface of the top of the thermocouple body, a connecting block is arranged on the surface of the bottom of the moving block, one end of the connecting block extends into the connecting seat, and the other end of the connecting block extends into the threaded cylinder. And through holes are formed in the surfaces of the two sides of the connecting base in a penetrating mode, positioning rods are arranged in the through holes in a penetrating mode, and one ends of the positioning rods extend into positioning holes formed in the connecting blocks. According to the utility model, by rotating the moving block, the moving block moves in the threaded cylinder and simultaneously drives the thermocouple body to move, and when the thermocouple body mov