Suction pipe of dirt suction device

• Main Authors: CAI RUWEN, ZHENG JIAQIU, GAN YUNQIU, LIN YONGJIAN, YING DONGXU, FENG LEI
• Format: Patent
• Language: Chinese; English
• Published: 05.08.2022
• Subjects: AGRICULTURE; ANIMAL HUSBANDRY; BLASTING; CARE OF BIRDS, FISHES, INSECTS; ENGINEERING ELEMENTS AND UNITS; FISHING; FORESTRY; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS; HEATING; HUMAN NECESSITIES; HUNTING; JOINTS OR FITTINGS FOR PIPES; LIGHTING; MEANS FOR THERMAL INSULATION IN GENERAL; MECHANICAL ENGINEERING; NEW BREEDS OF ANIMALS; PIPES; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; THERMAL INSULATION IN GENERAL; TRAPPING; WEAPONS

The utility model discloses a suction pipe of a dirt suction device, which belongs to the technical field of dirt suction device parts, is used for ensuring that a suction pipe connecting end has enough sealing performance and is convenient to disassemble and assemble so as to be convenient to clean, and comprises a suction connecting end, a discharge connecting end and a corrugated pipe, and the suction connecting end comprises an embedded expansion pipe and a tightening cover; a clamping groove is formed in the tightening cover, the discharging connecting end comprises an embedded straight pipe and a fastening assembly, a sealing ring is arranged in the position, in the configuration groove, of the embedded straight pipe, and the fastening assembly comprises a limiting ring and a spiral fastener. The two connecting ends of the sewage suction pipe are each provided with an embedded pipe structure, the difficulty that sewage overflows from a gap in the butt joint position in the sewage suction process is incr