Piston rod sealing ring, air spring and vehicle

The utility model provides a piston rod sealing ring, an air spring and a vehicle, and relates to the technical field of air spring, the piston rod sealing ring comprises a body, the body is provided with a trapezoid cylindrical protruding part, the top of the protruding part forms a platform, the d...

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Bibliographische Detailangaben
Hauptverfasser:	YE XIANGZHONG, ZHENG NIANHUA, FENG MEIJU, LIN BAODE
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BLASTING CYLINDERS ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LIGHTING MECHANICAL ENGINEERING PISTONS SEALINGS THERMAL INSULATION IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	The utility model provides a piston rod sealing ring, an air spring and a vehicle, and relates to the technical field of air spring, the piston rod sealing ring comprises a body, the body is provided with a trapezoid cylindrical protruding part, the top of the protruding part forms a platform, the diameter of the cross section circle of one end of the platform of the protruding part is smaller than that of the cross section circle of the other end, and the platform is provided with an opening used for a piston rod to penetrate through. The body is provided with a press fitting part located on the outer side of the protruding part. The efficiency in the installation process is higher, in the inflation use process of the air spring, a rubber element of the air spring can expand due to stress, tension is generated to the clamping position of the piston rod sealing ring, the piston rod sealing ring can be pulled more and more tightly, and therefore the sealing performance is enhanced, and the service life is prol