Multistage damping buffer hydraulic cylinder sealing device

By designing a multi-stage damping buffer hydraulic cylinder sealing device, and utilizing the cooperation of the sealing cover and the extrusion ring, the problem of seal leakage in traditional hydraulic cylinders under high pressure is solved, achieving better sealing performance and extended equipment life.

CN224550507UActive Publication Date: 2026-07-24WUXI SHANGXI HYDRAULIC TECHNOLOGY CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
WUXI SHANGXI HYDRAULIC TECHNOLOGY CO LTD
Filing Date
2025-09-29
Publication Date
2026-07-24

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Abstract

The utility model discloses a multistage damping buffer hydraulic oil cylinder sealing device, including cylinder body, the inside sliding installation of cylinder body has transmission piston, and one end of transmission piston is connected with piston rod, and one end screw thread connection of cylinder body has cylinder cover, and one end of cylinder cover and cylinder body clamping installation has sealing washer no.
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