Gas detection terminal convenient to install

The invention belongs to the technical field of gas detection terminals, and particularly relates to a gas detection terminal convenient to install, which comprises an installation fixing plate, an overturning joint is arranged on the surface of the installation fixing plate, an overturning bottom plate is hinged to the side surface of the overturning joint, and a detection end shell is arranged on the surface of the overturning bottom plate. A detection ring is arranged at one end of the detection end shell, a connecting through rod is fixedly connected to one end of the detection ring, a connecting port is fixedly connected to the tail end of the connecting through rod, a dust removal end is arranged at the other end of the detection end shell, an air exhaust end is arranged on the inner side of the dust removal end, and a rotary drum rotary fan is arranged in the air exhaust end; and a rotating fluted disc is arranged on the bottom surface. According to the invention, the detection range can be widened, in