Signal connector

The utility model relates to the field of signal connectors, in particular to a signal connector. The signal connector comprises a mounting piece, a fixing assembly and a dust cleaning assembly, mounting plates are arranged on the two sides of the mounting piece, sliding grooves are formed in the mounting plates, limiting frames in sliding connection are mounted on the sliding grooves, limiting grooves are formed in the limiting frames, and limiting strips are located in the limiting grooves of the limiting frames on the same side. According to the signal connector provided by the utility model, when the signal connector is disassembled, the gear is driven to rotate by using the knob, the limiting frame can be driven to move upwards in the rotating process of the gear, and when the limiting frame is moved away from the limiting strip, the mounting piece can be directly taken down, and the butt joint on the mounting piece can be overhauled, so that the situation that a traditional device is fixed by using a sc