Variable-damping gas spring

The utility model relates to a variable-damping gas spring comprising a cylinder barrel, a base, a piston rod and a piston component assembled on the piston rod, wherein, the piston component assembled on the piston rod is made up of a pair of matching components formed by a piston ring and a piston...

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Bibliographic Details
Main Authors WANG SHAOJUN, ZHU JIANMING
Format Patent
LanguageChinese
English
Published 12.05.2010
Subjects
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Summary:The utility model relates to a variable-damping gas spring comprising a cylinder barrel, a base, a piston rod and a piston component assembled on the piston rod, wherein, the piston component assembled on the piston rod is made up of a pair of matching components formed by a piston ring and a piston, one side of the piston is clung to a circulation valve piece, the side surface of the piston ring is connected with the valve piece, one end of the valve piece is connected with a fastening nut, a guider, a seal ring and a positioning sleeve are arranged in the cylinder barrel, a cone-shaped groove is formed on the inner wall of the cylinder barrel, 3-16 passage launders are formed on the piston, and the section of the piston ring is rectangular. The utility model is simple in structure, is not subject to environment, humidity and the viscosity of oil, and is stable and reliable in performance.
Bibliography:Application Number: CN2009264983U