Anti-backflow type novel check valve
A technology of anti-backflow and check valve, which is applied in the direction of lift valve, valve detail, control valve, etc., can solve the problems of reverse leakage, poor sealing performance, and limit the application of check valve, so as to improve the sealing performance and prevent return The effect of the flow phenomenon
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[0043] see Figure 1-2 , a new anti-backflow check valve, including a valve body 1 and a valve cover 2, the valve cover 2 is installed on the upper end of the valve body 1, the lower end of the valve cover 2 is slidingly connected with a matching valve core 3, and the valve core 3 extends To the inner side of the valve body 1, a fluid tank is provided at the lower end of the valve core 3, and a trigger film 4 is connected to the opening of the lower side of the fluid tank. A reflux plate 6 is connected, and an anti-reflux ball 5 is provided in the reflux hole. A closed hole matching the anti-reflux ball 5 is opened on the reflux plate 6, and a water-absorbing sponge layer 7 is connected to the inner wall of the reflux hole. , the water-absorbing sponge layer 7 is connected with a plurality of evenly distributed water guide wires 9, and the water guide wires 9 extend to the inner side of the anti-reflux ball 5, and the opening of the fluid tank near the anti-reflux ball 5 is co...
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