Multi -functional explosion -proof spanner

The utility model belongs to the technical field of valve open instrument technique and specifically relates to a multi -functional explosion -proof spanner is related to. Its characteristics are including the spanner body, the internal portion of spanner about correspond respectively and be provided with first slider and second slider, be provided with adjusting nut between first slider and the second slider, spanner body below be provided with the hexagonal hole, the correspondence of first slider lower extreme sets up to V type structure, the inside V type structure that be in spanner body top, second slider upper end is corresponding to be set up to V type structure. Its light in weight stature is little, can replace multiple explosion -proof spanner to use in the use kind, can be applied to simultaneously triangle, four corners, hexagonal, anise, 12 jiaos different kinds of bolts or nut screw and the pine is unloaded to different specification model's the bolt or the handling operation of nut can be be applicable to, the function of partial double offset ring spanner, opening solid wrench, adjustable spanner, breakout tongs still can replaced, it is wide in inflammable and explosive place range of application, convenient to carry, easy operation, worker's multipotency.