Open type slide rail buffer gear

The utility model provides an open type slide rail buffer gear, including install fixing base on the outer rail, with fixing base sliding connection's sliding block, be equipped with on the sliding block with the swing piece of inner rail activity lock joint, wherein be equipped with the sliding shaft on the tip of fixing base, sliding block adaptation sliding connection increases the compactness between sliding block and the fixing base on the sliding shaft, make the sliding block smooth and easy again at fixing base oversliding dynamic stability, noise abatement produces, and the side of sliding shaft is equipped with keeps away the dead slot, and the sliding shaft tip is equipped with and keeps away the communicating corner groove of dead slot, keeps away the track that dead slot, the corner groove wall formation adaptation swing piece bottom the sliding block slideed, effectively avoids the part to break away from, ensures slide rail buffering effect, guarantees the normal use of slide rail again.