Vacuum hose of flat plate filter

The utility model discloses a vacuum hose of a flat plate filter, which relates to the technical field of pipelines and comprises a vacuum tube, compared with a traditional metal hose, the vacuum hose of the flat plate filter has the advantages that the air leakage condition is greatly improved, the phenomenon that the two ends of the vacuum tube are easy to leak air is avoided, and the filtering effect of a flat plate is greatly improved. The first connecting assembly and the second connecting assembly are arranged at the two ends of the vacuum tube, the rigidity of the two ends of the vacuum tube can be improved, the conical inner tubes are arranged in the two connecting assemblies, different vacuum tubes can be limited, and the installation convenience of the vacuum tube is improved. Compared with a traditional metal hose, the service life of the metal hose is greatly prolonged, the two ends of the vacuum pipe are connected through the steel pipe, it is guaranteed that the flat plate liquid discharging pip