Copper bush for hydraulic cylinder

The utility model relates to a copper bush for a hydraulic cylinder. The copper bush comprises a body in hollow structure. A plurality of oil slots are arranged on the inner surface of the body and arranged by the equal distance. Due to the oil slots arranged on the inner surface of the copper bush,...

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Bibliographische Detailangaben
Hauptverfasser:	FAN HONGDI, XIAO ZIJUN
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 relates to a copper bush for a hydraulic cylinder. The copper bush comprises a body in hollow structure. A plurality of oil slots are arranged on the inner surface of the body and arranged by the equal distance. Due to the oil slots arranged on the inner surface of the copper bush, contact area between a piston rod and the copper bush is reduced and friction is decreased. Simultaneously, the oil slots contain lubricant, so that the piston rod and the copper bush can be lubricated further and friction force between the piston rod and the copper bush is reduced further during reciprocation of the piston rod.