Strong arc extinguishing fuse -link

The utility model discloses a strong arc extinguishing fuse -link, including arc extinguishing sleeve, inside contact piece, fuse -link, arc extinguishing piece, baffle, the free bearing that restores to the throne, sliding block, outer contact piece, gasket, fusion tube, bleeder vent, fin, cavity and wire barrel, arc extinguishing sleeve surface is equipped with the fin, and the arc extinguishing sleeve is inside to be equipped with the fusion tube, and the fusion tube surface is equipped with the bleeder vent, is equipped with the cavity between fusion tube and the arc extinguishing sleeve, and the fusion tube is inside to be equipped with the fuse -link, and the fusion tube both ends are equipped with the inscription contact, are equipped with the gasket between inscription touch panel and the fusion tube both ends face, and the contact piece outside is equipped with the arc extinguishing piece, is equipped with outer contact piece outside the arc extinguishing piece, arc extinguishing sleeve both ends be equipped with the wire barrel, the wire barrel port is equipped with the baffle, is equipped with the free bearing that resets between baffle and the wire barrel, the inside sliding block that is equipped with of wire barrel, the utility model is simple and reasonable in structure, the arc extinguishing performance is good, the radiating rate is fast to the inside high temperature of avoidance means makes the device have the potential safety hazard.