Brake vale

The invention provides a brake valve. The brake vale comprises a valve cover, a valve rod arranged in the valve cover, a valve rod sealing sleeve embedded between the valve cover and the valve rod in a sleeved manner and a sealing mechanism. The top end of the sealing mechanism plays a role in seali...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	HAN ANWEI, ZHANG BIN, GAO WENJUAN
Format:	Patent
Sprache:	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 invention provides a brake valve. The brake vale comprises a valve cover, a valve rod arranged in the valve cover, a valve rod sealing sleeve embedded between the valve cover and the valve rod in a sleeved manner and a sealing mechanism. The top end of the sealing mechanism plays a role in sealing and dust prevention. A locating portion is arranged on the valve cover, and a locating groove matched with the locating portion for locating is arranged on the valve rod sealing sleeve; and a plurality of sealing grooves are formed in the valve rod sealing sleeve, and sealing rings are arranged in the sealing grooves. The sealing mode between the valve rod sealing sleeve and the valve cover is changed, vibration and eccentricity of the valve rod in the motion process can be effectively relieved, open and close torque of the valve is reduced, and the service life of a part is prolonged.