Transparent visible universal cover capable of expanding shielding range

The utility model discloses a transparent visible universal cover capable of expanding the shielding range, which comprises a fixed pipe, a first connecting pipe, two second connecting pipes, a third connecting pipe and a cover body, and the fixed pipe, the first connecting pipe, the two second connecting pipes and the third connecting pipe are respectively and rotatably arranged. A connecting plate is fixedly installed on the outer surface of the top end of the fixing pipe, a plurality of connecting holes are evenly formed in the outer surface of the connecting plate, an installing pipe is fixedly installed at the top end of the cover body, and the installing pipe is in threaded connection with the third connecting pipe. The connecting ring is in threaded connection with the fixing ring fixedly mounted on the edge of the cover body, so that the conical screen plate is nested in the cover body, when the cover body is used for sucking air, impurities in external air can be filtered by the conical screen plate,