The utility model relates to the technical field of power connection fittings, in particular to a C-type temperature measuring wire clamp Background technology: C-type clamp is a type of conductor connection terminal used to connect current. At present, C-type clamps are usually equipped with temperature warning devices to effectively monitor the operation status of the line. The C-type wire clamp with temperature warning device in the prior art, as disclosed in the Chinese patent authorization announcement number CN204651503U titled "Over temperature Warning C-type Wire Clamp," includes a wire clamp shell, a first wire clamp block, and a second wire clamp block. The wire clamp shell is equipped with an installation cavity at the corresponding wire clamp grooves on both sides, and each installation cavity is equipped with an over temperature warning device. The over temperature warning device includes an L-shaped support seat at the opening on one side of the installation cavity The bimetallic sheet and plastic indicator cylinder are fixed and installed on one side of the support seat, with a guide rod on the other side of the support seat. The guide rod is covered with a spring, and the lower end of the bimetallic sheet is bent towards the side of the guide rod to form a hook. The corresponding hook on the circumferential wall of the lower end of the plastic indicator cylinder is equipped with a snap ring. The compression spring of the plastic indicator cylinder is covered on the guide rod and forms a snap ring and a snap hook connection, An upper cover is arranged at the opening on the other side of the installation chamber, and the upper cover is equipped with a through hole that exposes the upper end of the plastic indicator cylinder outside the clamping shell. When there is a fault in the operation of the line, the current and voltage on the clamp shell increase, causing the bimetallic plate on the overtemperature warning device to deform due to heating. As a result, the plastic indicator cylinder loses the limit of the hook, and the compressed spring has the ability to release. The spring pushes the plastic indicator cylinder upwards from the through hole on the upper cover, making it easy for maintenance personnel to check and repair. For example, the "Intelligent Power Connection Device" disclosed by the Chinese patent authorization announcement number CN202013953U includes a wire clamp shell, which is equipped with a pressing device for clamping wires at both ends. The shell is also equipped with an indication device installation hole, and the indication device installation hole is equipped with an indicator rod that can pop out of the indication device installation hole when the wire clamp shell is overheated. The indicator rod is equipped with a compressed spring inside, and the outer contour of the indicator rod is equipped with a snap ring, The installation hole of the indicator device is fixedly equipped with a bimetallic sheet that can clamp the snap ring when heated. The bimetallic sheet is fixedly installed on one side of the bimetallic sheet holder, and the other side of the bimetallic sheet holder is used to support the compressed spring. When the wire clamp shell heats up and overheats due to the increase of current and voltage, the bimetallic sheet deforms when heated, causing the compressed spring to detach from the top pressure of the bimetallic sheet holder, and driving the indicator rod to pop out from the installation hole of the indicator device, For the purpose of providing prompt and easy maintenance. However, due to the fact that bimetallic sheets in existing technologies are usually fixed and installed on bimetallic sheet racks or support seats, this fixed installation structure can affect the sensitivity of bimetallic sheets to thermal deformation