Counter weight hand wheel

The utility model discloses a counter weight hand wheel cup joints on the valve body and is connected with the valve rod on valve body top, and it includes balancing weight, hand wheel casing, fixed block and bolt, the cylinder of the through -hole that the balancing weight link up about being equipped with for the center, the hand wheel casing have upwards with decurrent opening, extend in order to form the bracket that holds in the palm in the balancing weight bottom to axle center department at its inner chamber middle part, upwards extend at the center of bracket has the reference column that stretches into in the balancing weight through -hole, the reference column has decurrent opening in order to cup joint on the valve rod, the last end face centre of reference column is equipped with the through -hole rather than having a perfect understanding to the under shed, the fixed block comprises the spliced pole of lapping and lap central downwardly extending, and the apron butt is in the top of balancing wei