Novel hydraulic cylinder that leakproofness is good

• Main Authors: LIN ZHUQIANG, SHEN-MA BINGSHENG, LIU DAXING
• Format: Patent
• Language: Chinese; English
• Published: 28.08.2018
• Subjects: BLASTING; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR; ENGINEERING ELEMENTS AND UNITS; FLUID-PRESSURE ACTUATORS; FLUID-PRESSURE ACTUATORS, e.g. SERVO-MOTORS; GEARING; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS; HEATING; HYDRAULICS OR PNEUMATICS IN GENERAL; JOINTS OR FITTINGS FOR PIPES; LIGHTING; MEANS FOR THERMAL INSULATION IN GENERAL; MECHANICAL ENGINEERING; PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; THERMAL INSULATION IN GENERAL; WEAPONS

The utility model discloses a novel hydraulic cylinder that leakproofness is good, including cylinder, piston, piston rod, end cover and inner chamber, the periphery of cylinder is provided with protecting sheathing, and is provided with the cavity intermediate layer between protecting sheathing and the cylinder, protecting sheathing's outside top layer is provided with the insulating layer, one side of protecting sheathing is provided with the air intake, and installs small -size thermantidote through the fixing base in the air intake, the bottom one end of cylinder is provided with the oil inlet, the other end of cylinder is provided with the oil -out, the one end of cylinder is provided with the end cover, be provided with the inner chamber in the cylinder, and be provided with the piston in the inner chamber, one side fixedly connected with piston rod of piston, the piston rod runs through the end cover, the end cover is provided with double -layer seal ring with the junction of piston rod. The utility mo