Cover is shielded in insulation of preventing arc gold utensil

The utility model provides a cover is shielded in insulation of preventing arc gold utensil is applied to the lightning protection of insulating frame disengaged line and hits the disconnected preventing arc gold utensil of using, include: the cover body and ear, wherein: the cover body just has an opening end by U type roof and both sides hoarding with chenging, and the both sides board is equallyd divide and is do not seted up jaggedly symmetrically, and the breach pushes up the direction from the opening end to the arc of U type roof and sets up, the ear is located the lateral surface of U type roof, and has the through -hole that is used for wearing to establish the insulating tube, and enclose around the breach of one of them curb plate and be equipped with first sunshade, first sunshade have with the same opening of this breach orientation, enclose around the breach of another curb plate and be equipped with the second sunshade, the second sunshade have with the same opening of this breach orientation, the utility model discloses a cover is shielded in insulation of preventing arc gold utensil installation dismantle simple and convenient and can be fine shield the safety of guaranteeing the operation personnel.