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Element for guiding a piston rod, produced as a single piece in sheet metal, for a shock absorber
Element for guiding a piston rod, produced as a single piece in sheet metal, for a shock absorber
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机译:用于导向活塞杆的元件,该元件整体制造为钣金,用于减震器
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摘要
The invention relates to an element for guiding a piston rod 17, produced as a single piece in sheet metal, and especially intended for a shock absorber 1, which consists, inter alia, of a casing tube and of a pressure tube filled with damping fluid, a compensation chamber being formed between the casing tube and the pressure tube, and a piston rod seal furthermore sealing the shock absorber relative to the atmosphere, the guide element comprising a stepped base body including a concentric guiding surface for a bush, a bearing surface for the piston rod seal, and a surface for guidance relative to the casing tube, and at least one return opening which is in communication with the compensation chamber. In this guide element, the outside diameter of the piston rod and the inside diameter of the casing tube 3 form, starting from the return opening/openings 27, towards the compensation chamber 7, narrow baffle ducts 29 in the radial direction which, drawing advantage from the adhesion forces, ensure a flow of the damping fluid over the internal wall of the casing tube 3. IMAGE
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