Residential kitchen smoke exhaust non-return structure

The smoke exhaust non-return structure of the residential kitchen comprises a first non-return section, an adapter section and a second non-return section, the end face of the upper end of the first non-return section is a lower inclined face, and an upper valve plate is movably hinged to the end po...

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Bibliographische Detailangaben
Hauptverfasser:	LI XINZHONG, ZHU SHAOCHUAN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	ACTUATING-FLOATS BLASTING COCKS DEVICES FOR VENTING OR AERATING ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LIGHTING MECHANICAL ENGINEERING TAPS THERMAL INSULATION IN GENERAL VALVES WEAPONS
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Beschreibung
Zusammenfassung:	The smoke exhaust non-return structure of the residential kitchen comprises a first non-return section, an adapter section and a second non-return section, the end face of the upper end of the first non-return section is a lower inclined face, and an upper valve plate is movably hinged to the end portion of the upper end of the first non-return section. The switching section is of an arc-shaped bent pipe structure, the first end of the switching section is tightly sleeved, communicated and matched with the lower end of the first non-return section, the second end of the switching section is tightly sleeved in an air inlet of the single flue, the end of the second end of the switching section extends out of the air inlet of the single flue to the outside of the single flue, and the end of the first end of the second non-return section is sleeved in the second end. And a lower sealing valve is arranged in the first end of the second non-return section. Compared with the prior art, the double-valve-body arrangem