Three-loop logical valve

The utility model relates to the valve technical field, in particular to a three-loop logical valve. The three-loop logical valve comprises a valve base, a valve sleeve and a valve core, wherein the valve base is composed of a groove-shaped seat opening in the front end and a cavity at the rear end;...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	DUAN BINGCHEN
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 utility model relates to the valve technical field, in particular to a three-loop logical valve. The three-loop logical valve comprises a valve base, a valve sleeve and a valve core, wherein the valve base is composed of a groove-shaped seat opening in the front end and a cavity at the rear end; the valve sleeve is composed of a concave sleeve opening in the front end and a return opening structure at the rear end and is inserted into the groove-shaped seat opening at the front end; and the outer diameter at the front end of the valve core is matched with the inner diameter of the concave sleeve opening of the valve sleeve, and the outer diameter at the rear end of the valve core is matched with the return opening structure of the valve sleeve. The three-loop logical valve is simple in structure, high in function pertinence, low in cost, and safe and stable in work.