Valve core

The utility model discloses a valve core which comprises a positioning sleeve, a first air hole is formed in one end of the positioning sleeve, a first core rod is arranged in the first air hole in a penetrating mode, a first spring seat is arranged at the end, located in the positioning sleeve, of...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	XIE BINGXIANG
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 discloses a valve core which comprises a positioning sleeve, a first air hole is formed in one end of the positioning sleeve, a first core rod is arranged in the first air hole in a penetrating mode, a first spring seat is arranged at the end, located in the positioning sleeve, of the first core rod, and a first spring is arranged between the first spring seat and the end face of the first air hole. A first sealing seat is arranged on the side, located in the positioning sleeve, of the first core rod, a second air hole is formed in the positioning sleeve, a second spring seat with a center hole is arranged at one end of the positioning sleeve, a second core rod is tightly arranged in the center hole in a penetrating mode, and a second sealing seat is arranged at the end, located in the positioning sleeve, of the second core rod. A second spring is arranged between the second sealing seat and the second spring seat, the second sealing seat is attached to the second air hole under the elastic