Variable-damping shock absorber passage structure

Abstract

The utility model discloses a kind of variable-damping shock absorber passageway structures, including working cylinder, first intermediate cylinder, sleeve connecting seat, bottom valve and guide seat;The first intermediate cylinder is surrounded in the outside of the working cylinder;The guide seat has double-stage circular protrusions;The first-stage circular protrusion of the guide seat and the second-stage circular protrusion of the guide seat are respectively with the first intermediate cylinder and the working cylinder interference fit;The sleeve connecting seat is sleeved the outside wall of the working cylinder;The first intermediate cylinder is away from the guide seat one end and the sleeve connecting seat interference fit;The bottom valve is installed in the working cylinder away from the guide seat one end, and the bottom valve has double-stage circular protrusions;The second-stage circular protrusion of the bottom valve is gap fit with working cylinder, and the first-stage circular protrusion of the bottom valve is sealed and fixed with the sleeve connecting seat.The variable-damping shock absorber passageway structure disclosed by the utility model reduces the complexity of structure and manufacturing cost.

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