Connecting line fastening mechanism for building energy-saving detection device

The utility model relates to the technical field of building energy-saving detection, and discloses a connecting line fastening mechanism for a building energy-saving detection device, which comprises a fixed plate, one side of the fixed plate is fixedly connected with a vertical plate, the upper surface of the fixed plate is fixedly connected with a working plate, the inner side wall of the working plate is provided with a groove, and the vertical plate is fixedly connected with the working plate. The surface of the groove is fixedly connected with a threaded pipe, and the surface of the threaded pipe is in threaded connection with a fixing ring. According to the connecting line fastening mechanism for the building energy-saving detection device, through cooperative arrangement of the working plate, the groove, a threaded pipe, a fixing ring, a first spring, a second spring, a first clamping block and a second clamping block, when the connecting line fastening mechanism is used, a worker inserts a connecting