Clamping lock catch for coal mine ventilation pipeline

The utility model relates to the technical field of buckles, and discloses a clamping lock catch for a coal mine ventilation pipeline, which comprises a connecting pipe, one side of the connecting pipe is fixedly connected with a threaded pipe, the surface of the threaded pipe is in threaded connection with a ventilation pipe A, the surface of the connecting pipe is provided with a clamping groove, and a fixing pipe is clamped in the clamping groove. One side of the fixing pipe is fixedly connected with an external connection assembly, one end of the external connection assembly is in threaded connection with a ventilation pipe B, the interior of the fixing pipe is fixedly connected with a splicing pipe, the outer surface of the connecting pipe is provided with a threaded hole, and the interior of the threaded hole is in threaded connection with a bolt. According to the clamping lock catch for the coal mine ventilation pipeline, when the clamping lock catch is used through the arrangement of a threaded pipe,