Removal tool for valve core of drilling tool float valve

The utility model relates to a removal tool for the valve core of a drilling tool float valve, which comprises an adjusting rod, a supporting plate and a hook plate. The supporting plate is provided with a central hole. The upper part of the adjustment rod is provided with a screw rod, and the lower part of the adjustment rod is provided with a U-shaped ring. The U-shaped ring at the lower part of the adjustment rod is provided with a hole. The screw rod at the upper part of the adjustment rod is arranged in the central hole of the supporting plate and is fixed through an adjusting nut. The hook plate is L-shaped and the upper part thereof is provided with a through hole. The hook plate can be installed onto the U-shaped ring at the lower part of the adjustment rod through a bolt configured to pass through the through hole. The removal tool is simple in structure and convenient to install and use, thereby effectively reducing the labor intensity and increasing the operation efficiency. Meanwhile, the maintenance time is shortened. The valve body and the valve core of the drilling tool float valve are prevented from being damaged. Therefore, the removal tool can be used for the quick troubleshooting operation of drilling tool float valves.