Drift-diameter hydraulic check valve of hydraulic press

The utility model relates to a drift diameter hydraulic check water valve of a hydraulic press, and belongs to the field of pipe casting equipment accessories. The sealing device comprises a driving part, a coupler, a flange, a valve body, a valve seat, a sealing body, a sealing seat, a cone, a valv...

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1. Verfasser: XU YANCHEN
Format: Patent
Sprache:chi ; eng
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Beschreibung
Zusammenfassung:The utility model relates to a drift diameter hydraulic check water valve of a hydraulic press, and belongs to the field of pipe casting equipment accessories. The sealing device comprises a driving part, a coupler, a flange, a valve body, a valve seat, a sealing body, a sealing seat, a cone, a valve rod, an inlet flange, an outlet flange and an end cover, the driving part is an oil cylinder, the sealing seat is in line contact with the cone, the sealing body and the sealing seat are both installed in the valve seat, the sealing body is installed in the valve seat through the end cover under normal conditions, and the driving part is connected with one end of the valve rod. Generally, the driving part is connected with one end of the valve rod through the coupler and the flange, a gap exists between one end of the valve rod and the flange, the other end of the valve rod is connected with the cone, the cone is matched with the sealing seat, the driving part and the sealing seat are both installed on the valve