Universal insulating spanner

The utility model relates to a universal insulating spanner comprising a spanner, universal ratchets, an insulating drive rod and a swing handle which are connected in turn from the front to the rear, wherein the spanner is a metal sleeve; the inner side of the metal sleeve is orthohexagonal, and is corresponding to a bolt head; the number of the universal ratchets is two; one universal ratchet is at the front, and the other one is at the rear; the universal ratchets are on the same rotating shaft line, and ratchet teeth are crossly engaged; the universal ratchets are connected into a whole through U-shaped fixing arms on respective wheel shaft; the U-shaped fixing arms are sheathed on the wheel shafts of the universal ratchets through inserting holes at the middles of the U-shaped fixing arms; the U-shaped fixing arms are connected through two bolts at the end parts of the U-shaped fixing arms; and the universal ratchet at the rear is fixed with the front end of the insulating drive rod. The utility model ha