Dynamic sealing gas gate valve
A dynamic sealing, gate valve technology, applied in sliding valves, valve devices, engine components, etc., can solve the problems of high sealing requirements, gas leakage, rapid wear of sealing rings, etc., to achieve flexible opening and closing, guarantee leakage, guarantee The effect of system security
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[0017] like figure 1 , figure 2 , image 3 , Figure 4 , Figure 5 , Image 6 , Figure 7 As shown, a dynamic sealing gas gate valve includes a valve body 4, a gate valve plate 8, and a cylinder 1. Gate valve plate sealing boxes 3 are installed on both sides of the gate valve plate of the valve body 4, and the cylinder 1 is fixed on the sealing box 3. The cylinder piston rod 2 is connected to the gate valve plate 8; there is an annular groove 14 on the contact surface between the valve body 4 and the gate valve plate 8, and there is a movable sealing ring 15 in the annular groove 14, and a connecting pipe is opened on the valve body 4 16 communicates with the annular groove 14; the air cylinder 11 is installed on the valve body 4 through the valve plate 10 with bolts 23, and the valve plate 10 is provided with a valve plate connecting pipe 17, and the valve plate connecting pipe 17 communicates with the connecting pipe 16, and the air oil cylinder 11 The oil port 24 com...
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