Flap structure of check valve

A turning plate structure of a check valve comprises a valve seat, an inner pipe is arranged in the mounting end of the valve seat and extends to the outer side of the mounting end through an end cover, a limiting rib is arranged on the surface of the inner wall between an annular step part in the m...

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Bibliographische Detailangaben
Hauptverfasser:	ZHENG BINGLU, JIA XUEWU
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:	A turning plate structure of a check valve comprises a valve seat, an inner pipe is arranged in the mounting end of the valve seat and extends to the outer side of the mounting end through an end cover, a limiting rib is arranged on the surface of the inner wall between an annular step part in the mounting end and the water outlet end of the valve seat, a turning assembly is mounted in the annular step part, and the turning assembly comprises a turning plate seat and a turning plate. A water inlet groove is formed in an annular column of the turning plate seat, a rotating shaft groove is formed in a rotating shaft mounting seat of the turning plate seat, a rotating shaft of the turning plate is rotationally clamped together through the rotating shaft groove, the turning plate rotates on the annular column with the rotating shaft as a fulcrum so as to seal and close the water inlet groove, the turning plate seat is further provided with a clamping groove composed of a pair of positioning columns, and the clamp