Take hand wheel of counter weight

The utility model discloses a take hand wheel of counter weight for the cover is connected on the valve body and with the valve rod on valve body top, including the hand wheel casing, arrange in balancing weight in the hand wheel casing is arranged in fixed block in the hand wheel casing to and fastening screw, the hand wheel casing has opening down, the balancing weight has the cylinder of the upper and lower through -hole that link up for the center, the fixed block is by stretching into connecting portion and support in the balancing weight through -hole are in the base of balancing weight bottom constitutes, connecting portion and base form two diameters hollow circular cylinder form not of uniform size, open on the top of connecting portion has the screw, the hand wheel casing passes through the tight cover of interference fit and is in on the base, fastening screw will the fixed block with the valve rod links to each other. The utility model discloses can guarantee the effective fixed of balancing weigh