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流量调节器单元及具有流量调节器单元的气雾剂型产品
Flow rate regulator unit and aerosol type product with flow rate regulator unit
US-8201757-B2用于气雾剂产品,稳定喷射流量。
专利摘要
一种单元结构的流量调节器,其机构使气雾剂容器中内容物的喷射量保持恒定,而与用于内容物喷射的气体压力变化无关。流量调节器单元具有外套管构件(15)、内套管构件(16)、活塞构件(17、18)、螺旋弹簧(25)和喷射件(19)。内容物基本上按以下路线喷射:“孔(15a)—外路径环形空间区域(21)—孔(16a)—内路径环形空间区域(22)—孔(17b、18b)—内部路径(18c)—阀作用区域(20)—穿透部分(16d)—槽状部分(16f、19a)—喷射孔(19c)”。环形裙部(17a)基于由喷射气体压力引起的向右方向的力作用在活塞构件(17、18)上的大小关系与由螺旋弹簧(25)引起的向左方向的推力的关系而在左右方向上移动,这改变了从用于流量调节的孔(16a)到内路径环形空间区域(22)的流入横截面积。
Original abstractA flow rate regulator of a unit structure, in which the mechanism keeps constant the amount of injection of the contents in an aerosol container independent of a variation in pressure of gas for content ejection. The flow rate regulator unit has an outer sheath member ( 15 ), an inner sheath member ( 16 ), piston members ( 17, 18 ), a coil spring ( 25 ), and an ejection piece ( 19 ). The contents are ejected in substantially the following route: “hole ( 15 a )—annular space region ( 21 ) for outer path—hole ( 16 a )—annular space region ( 22 ) for inner path—holes ( 17 b , 18 b )—inside path ( 18 c )—valve action region ( 20 )—penetration section ( 16 d )—groove-like sections ( 16 f , 19 a )—ejection hole ( 19 c ).” An annular skirt section ( 17 a ) moves in the left-right direction based on a magnitude relation between force in the right direction caused by ejection gas pressure and acting on the piston members ( 17, 18 ) and urging force to the left direction caused by the coil spring ( 25 ), and this changes an inflow cross-sectional area from the hole ( 16 a ) for flow rate adjustment to the annular space region ( 22 ) for inner path.
专利附图(8)








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