Water swivel spanner

The utility model utility model provides a water swivel spanner comprising a handle and a clamping head that is fixed at one end of the handle, wherein the clamping head is half-S-shaped. Two clamping strips are manufactured and are symmetrically welded on a water swivel, thus changing the actuality that the cylindrical water swivel is not easy to block. The half-S-shaped water swivel spanner is provided in the utility model, and a sleeve is added on the water swivel spanner so as to increase the arm length of the spanner. When a drilling rod is assembled or disassembled, the half-S-shaped clamping head of the water swivel spanner can be used so as to firmly clamp the clamping strips on the water swivel within several seconds; therefore, the water swivel spanner is safe and reliable to operate, and has high efficiency.