Expansion valve of making an uproar falls in damping

The utility model discloses an expansion valve of making an uproar falls in damping, including the valve body, install in the valve body and can be based on the diaphragm that comes from evaporimeter refrigerant temperature, pressure variation and transmit the ejector pin of this change, it has vertical hole of running through the passageway to open on the valve body, vertical hole department is equipped with the damping holder that is used for the centre gripping ejector pin, the damping holder is horizontal spacing in vertical hole department, for the radial movement who stabilizes the ejector pin, at the vertical downthehole transversely spacing damping holder of installing of valve body, the damping holder includes annular bracing ring and presss from both sides with annular bracing ring an organic whole and elasticity that be no less than three equipartition, utilizes bracing ring and elasticity clamp can make expansion valve of making an uproar falls in damping fall the effect of making an uproar at the