Slow descent throttle valve

The utility model discloses a slow descending throttle valve which comprises a valve body, and a first opening and a second opening are formed in the two ends of the valve body respectively. The valve element is arranged in the valve body and can move in the axial direction of the valve element, the...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	WU BAOJUN, NIU YUEJUN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BLASTING DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR FLUID-PRESSURE ACTUATORS FLUID-PRESSURE ACTUATORS, e.g. SERVO-MOTORS HEATING HYDRAULICS OR PNEUMATICS IN GENERAL LIGHTING MECHANICAL ENGINEERING SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	The utility model discloses a slow descending throttle valve which comprises a valve body, and a first opening and a second opening are formed in the two ends of the valve body respectively. The valve element is arranged in the valve body and can move in the axial direction of the valve element, the valve element comprises a large-diameter section tightly attached to the inner wall of the valve body and a small-diameter section close to the first opening, a large-diameter opening is formed in the end of the large-diameter section, a small-diameter opening is formed in the end of the small-diameter section, the diameter of the small-diameter section is larger than that of the first opening, and the diameter of the small-diameter section is larger than that of the second opening. And a liquid supplementing hole is formed in the side wall of the small-diameter section. The slow descent throttling valve is simple in structure, changes the slow descent principle of the slow descent throttling valve, and overcomes