Chemistry proof box

The utility model discloses a chemistry proof box, the power distribution box comprises a box body, the inside of box is equipped with the cavity, all be fixed with fixed pipe on the relative lateralwall in the cavity, be equipped with the second spout on the fixed intraductal one end lateral wall, and install the second slider in the second spout, one side of second slider all is fixed with themovable block, rotate between the relative lateral wall of fixed pipe and being connected with the screw rod, and run through on the screw rod and be equipped with the movable block, be equipped withthe screw thread through -hole on the movable block, and the screw rod runs through the screw thread through -hole, all be fixed with a conical tooth wheel on the screw rod, and one side meshing of conical tooth wheel there is the 2nd conical tooth wheel. The utility model relates to an advanced person has realized placing experimental apparatus's the centre gripping of stablizing, can also use asthe laboratory bench simult