Board welds formula plate valve

The utility model provides a board welds formula plate valve, which comprises the following components: a valve body, the valve body top is connected with the valve gap, be fixed with the support on the valve gap, be connected with the guard shield on the support, it is connected with the hand wheel to rotate on the guard shield, the cooperation of hand wheel top is connected with the bevel gear, umbrella gear revolve is connected with the valve rod, be fixed with the flashboard on the valve rod, install the disk seat that is located the flashboard both sides in the valve body, valve seat seal face and flashboard both sides face sealing contact, the valve body is steel sheet integrated into one piece structure, valve body top assembly welding has first flange, the valve gap is forming technology press forming structure, valve gap bottom assembly welding has the second flange, first flange and second flange are connected. The utility model discloses an it is rational in infrastructure, compact, through the main part and the coupling part structure of partition essential element, then be in the same place its assembly welding, reach the whole purpose of using, not only reduced the processing degree of difficulty of essential element, also reduced the weight of part, improve the workmanship, reduced manufacturing cost, be suitable for the popularization.