Self-sealing atmospheric valve for vacuum valve

The utility model discloses an emptying valve, particularly a self-sealing emptying valve for a vacuum container. The utility model is used for the pressure protection of a vacuum pumping system in a non-pressure container. The emptying valve comprises a valve seat, a valve cover and a valve pipe. T...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	JIEMING XIAO
Format:	Patent
Sprache:	eng
Schlagworte:	ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR BLASTING CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS,e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES,DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS CONVEYING HANDLING THIN OR FILAMENTARY MATERIAL HEATING LIGHTING MECHANICAL ENGINEERING PACKAGES PACKAGING ELEMENTS PACKING PERFORMING OPERATIONS POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS PUMPS FOR LIQUIDS OR ELASTIC FLUIDS STORING TRANSPORTING WEAPONS
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Beschreibung
Zusammenfassung:	The utility model discloses an emptying valve, particularly a self-sealing emptying valve for a vacuum container. The utility model is used for the pressure protection of a vacuum pumping system in a non-pressure container. The emptying valve comprises a valve seat, a valve cover and a valve pipe. The valve seat is connected with the valve cover by the valve pipe. The utility model has the structural characteristics that an upper valve seat and a lower valve seat are fixedly connected to form the valve seat, a sealing ring is fixed in the lower valve seat, a safe block is pressed on the sealing ring and both ends of the valve pipe are provided with a plurality of groove holes. The utility model has the advantages that the utility model has reasonable structural design, and can protect the work of the non-pressure container under a safe state.