Fluid outlet metering valve
A quantitative valve and fluid technology, applied in valve devices, engine components, mechanical equipment, etc., can solve problems such as loss of elasticity of sealing rings, inability of quantitative cavity and valve stem outlet, and quantitative valve failure.
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Embodiment 1
[0018] The fluid output quantitative valve of this embodiment is shown in Figure 1, and is a quantitative valve suitable for matching with a gas tank. The lower part of the valve body 4 is made into a cap shape matching the end of the gas tank, and the upper part is formed with a horizontal valve stem hole. Shaped gas storage ring. The gas storage ring is formed by inserting an inner gas storage ring 7 and an outer gas storage ring 6'. Wherein, one side of the inner gas storage ring 7 forms a circumferential flanging, which is bowl-bottom-shaped and made of polytetrafluoroethylene. The outer gas storage ring 6' is made of ordinary plastic, and is in the shape of a sleeve. The outer end surface of the edge is formed with a flat-bottomed depression, and the rubber sealing ring 5 is embedded in the depression, so that the inner end surface of the sealing ring leans on the concave end surface of the outer gas storage ring 6'. The outer end of the rubber sealing ring 5 leans aga...
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