CN108235727A - 测定剂量的分配器及其使用方法 - Google Patents

测定剂量的分配器及其使用方法 Download PDF

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CN108235727A
CN108235727A CN201680049823.0A CN201680049823A CN108235727A CN 108235727 A CN108235727 A CN 108235727A CN 201680049823 A CN201680049823 A CN 201680049823A CN 108235727 A CN108235727 A CN 108235727A
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reservoir
distribution
piston valve
catheter
flow
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CN108235727B (zh
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C·斯基琳
P·J·布兰农
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Silegang Distribution System Slater Brownsville LLC
Silgan Dispensing Systems Slatersville LLC
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/01Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
    • B05B11/04Deformable containers producing the flow, e.g. squeeze bottles
    • B05B11/047Deformable containers producing the flow, e.g. squeeze bottles characterised by the outlet or venting means
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/0005Components or details
    • B05B11/0027Means for neutralising the actuation of the sprayer ; Means for preventing access to the sprayer actuation means
    • B05B11/0032Manually actuated means located downstream the discharge nozzle for closing or covering it, e.g. shutters
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D47/00Closures with filling and discharging, or with discharging, devices
    • B65D47/04Closures with discharging devices other than pumps
    • B65D47/06Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages
    • B65D47/08Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages having articulated or hinged closures
    • B65D47/0804Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages having articulated or hinged closures integrally formed with the base element provided with the spout or discharge passage
    • B65D47/0833Hinges without elastic bias
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01FMEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F11/00Apparatus requiring external operation adapted at each repeated and identical operation to measure and separate a predetermined volume of fluid or fluent solid material from a supply or container, without regard to weight, and to deliver it
    • G01F11/02Apparatus requiring external operation adapted at each repeated and identical operation to measure and separate a predetermined volume of fluid or fluent solid material from a supply or container, without regard to weight, and to deliver it with measuring chambers which expand or contract during measurement
    • G01F11/08Apparatus requiring external operation adapted at each repeated and identical operation to measure and separate a predetermined volume of fluid or fluent solid material from a supply or container, without regard to weight, and to deliver it with measuring chambers which expand or contract during measurement of the diaphragm or bellows type
    • G01F11/082Apparatus requiring external operation adapted at each repeated and identical operation to measure and separate a predetermined volume of fluid or fluent solid material from a supply or container, without regard to weight, and to deliver it with measuring chambers which expand or contract during measurement of the diaphragm or bellows type of the squeeze container type
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01FMEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F11/00Apparatus requiring external operation adapted at each repeated and identical operation to measure and separate a predetermined volume of fluid or fluent solid material from a supply or container, without regard to weight, and to deliver it
    • G01F11/10Apparatus requiring external operation adapted at each repeated and identical operation to measure and separate a predetermined volume of fluid or fluent solid material from a supply or container, without regard to weight, and to deliver it with measuring chambers moved during operation
    • G01F11/12Apparatus requiring external operation adapted at each repeated and identical operation to measure and separate a predetermined volume of fluid or fluent solid material from a supply or container, without regard to weight, and to deliver it with measuring chambers moved during operation of the valve type, i.e. the separating being effected by fluid-tight or powder-tight movements
    • G01F11/14Apparatus requiring external operation adapted at each repeated and identical operation to measure and separate a predetermined volume of fluid or fluent solid material from a supply or container, without regard to weight, and to deliver it with measuring chambers moved during operation of the valve type, i.e. the separating being effected by fluid-tight or powder-tight movements wherein the measuring chamber reciprocates
    • G01F11/16Apparatus requiring external operation adapted at each repeated and identical operation to measure and separate a predetermined volume of fluid or fluent solid material from a supply or container, without regard to weight, and to deliver it with measuring chambers moved during operation of the valve type, i.e. the separating being effected by fluid-tight or powder-tight movements wherein the measuring chamber reciprocates for liquid or semiliquid
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01FMEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F11/00Apparatus requiring external operation adapted at each repeated and identical operation to measure and separate a predetermined volume of fluid or fluent solid material from a supply or container, without regard to weight, and to deliver it
    • G01F11/10Apparatus requiring external operation adapted at each repeated and identical operation to measure and separate a predetermined volume of fluid or fluent solid material from a supply or container, without regard to weight, and to deliver it with measuring chambers moved during operation
    • G01F11/26Apparatus requiring external operation adapted at each repeated and identical operation to measure and separate a predetermined volume of fluid or fluent solid material from a supply or container, without regard to weight, and to deliver it with measuring chambers moved during operation wherein the measuring chamber is filled and emptied by tilting or inverting the supply vessel, e.g. bottle-emptying apparatus
    • G01F11/262Apparatus requiring external operation adapted at each repeated and identical operation to measure and separate a predetermined volume of fluid or fluent solid material from a supply or container, without regard to weight, and to deliver it with measuring chambers moved during operation wherein the measuring chamber is filled and emptied by tilting or inverting the supply vessel, e.g. bottle-emptying apparatus for liquid or semi-liquid
    • G01F11/263Apparatus requiring external operation adapted at each repeated and identical operation to measure and separate a predetermined volume of fluid or fluent solid material from a supply or container, without regard to weight, and to deliver it with measuring chambers moved during operation wherein the measuring chamber is filled and emptied by tilting or inverting the supply vessel, e.g. bottle-emptying apparatus for liquid or semi-liquid with valves
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01FMEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F11/00Apparatus requiring external operation adapted at each repeated and identical operation to measure and separate a predetermined volume of fluid or fluent solid material from a supply or container, without regard to weight, and to deliver it
    • G01F11/28Apparatus requiring external operation adapted at each repeated and identical operation to measure and separate a predetermined volume of fluid or fluent solid material from a supply or container, without regard to weight, and to deliver it with stationary measuring chambers having constant volume during measurement
    • G01F11/286Apparatus requiring external operation adapted at each repeated and identical operation to measure and separate a predetermined volume of fluid or fluent solid material from a supply or container, without regard to weight, and to deliver it with stationary measuring chambers having constant volume during measurement where filling of the measuring chamber is effected by squeezing a supply container that is in fluid connection with the measuring chamber and excess fluid is sucked back from the measuring chamber during relaxation of the supply container
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B1/00Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
    • B05B1/28Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with integral means for shielding the discharged liquid or other fluent material, e.g. to limit area of spray; with integral means for catching drips or collecting surplus liquid or other fluent material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/0005Components or details
    • B05B11/0062Outlet valves actuated by the pressure of the fluid to be sprayed
    • B05B11/0064Lift valves
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/0005Components or details
    • B05B11/0062Outlet valves actuated by the pressure of the fluid to be sprayed
    • B05B11/0064Lift valves
    • B05B11/0067Lift valves having a valve seat located downstream the valve element (take precedence)
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/0005Components or details
    • B05B11/0062Outlet valves actuated by the pressure of the fluid to be sprayed
    • B05B11/0072A valve member forming part of an outlet opening

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  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closures For Containers (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Media Introduction/Drainage Providing Device (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)

Abstract

一种用于从挤压型产品容器(14)中分配可流动产品(12)的分配闭合件(10)包括闭合体(16),该闭合体具有上部板(32)、出口孔(34)、提供通向该出口孔的流动路径的流动导管(36)、以及被配置成用于附接至该产品容器的裙部(40)。测量储器(26)通过与该上部板的下表面接合的方式而被接纳。在该容器被倒置时经过多个流动端口(54)用测定剂量的可流动产品来填充该测量储器。活塞阀(28)能够在该测量储器内在打开位置与闭合位置之间可滑动地移动。该活塞阀能够响应于通过挤压而在该容器内产生的压力从该打开位置移动至该闭合位置以便分配该测定剂量的产品。

Description

测定剂量的分配器及其使用方法
发明背景
(1)发明领域:本发明涉及一种用于例如个人护理产品、浓缩饮料、食品、家用和园艺化学产品、保健产品等可流动产品的容器的分配闭合件。更具体地,本发明涉及一种分配闭合件,该分配闭合件具有内部测量储器,该内部测量储器在该容器被倒置时用测定剂量的可流动产品来自动填充、并且在该容器被挤压时从该测量储器分配测定剂量的产品。
(2)背景技术:分配容器被用于各行各业,用于分配各种不同的液体或可流动产品。随着集成的分配闭合件在所有行业中越来越普遍,消费者希望将其应用于日益扩大的大量产品和包装上,而产品制造商则以尽可能低的成本来寻求独特的解决方案,以促进销售并保持利润空间。
发明内容
本发明涉及一种分配闭合件,用于从挤压型产品容器中分配测定剂量的可流动产品。总体上,产品容器由柔性塑料来模制并且足够柔韧,使得使用者可以容易地挤压容器以向容纳在该容器中的可流动产品施加压力。
用于分配固定体积或剂量的可流动产品的分配闭合件的示例性实施例包括闭合体、通过活动铰接件连接至该闭合体的闭合盖、测量储器、可移动地设置在该测量储器内的活塞阀、以及用于将该活塞阀偏置的弹簧。
该闭合体具有上部板、位于中央的出口孔、以及流动导管,该流动导管与该出口孔连通、从该上部板向下悬垂以提供从该流动导管的下端处的入口孔到该出口孔的流动路径。该闭合体还包括从该上部板向下悬垂的内安装裙部以及被成形成用于与该产品容器的外部形状融合的外装饰裙部。该内裙部包括用于与该产品容器的螺纹颈部接合的多个螺纹。
杯形测量储器具有底壁、从该底壁向上延伸的圆柱形侧壁、以及上周缘,该上周缘通过与该上部板的下表面上的安装边沿卡扣配合接合的方式被接纳。该安装边沿环绕该流动导管,使得该测量储器围绕该流动导管。该测量储器具有与该上周缘相邻的多个流动端口,以便允许该可流动产品进入该测量储器。在使用时,在该容器被倒置时经过这些流动端口用测定剂量的可流动产品来填充该测量储器。该底壁还包括多个压力孔口,产品在分配和再填充的过程中移动经过该多个压力孔口。
该杯形活塞阀具有底壁以及从底壁向上延伸的阀杆,该活塞阀能够在该测量储器内在打开位置与闭合位置之间可滑动地移动。在该打开位置中,该阀杆与在该流动导管的入口孔处形成的阀座间隔开,由此可流动产品可以经过这些流动端口来进入该测量储器并且经过该流动导管离开。在该闭合位置中,该阀座与该阀座配对接合,由此关闭该流动导管并且防止该可流动产品离开该出口孔。
螺旋弹簧驻留在该测量储器内,其中,该测量储器环绕该流动导管和该阀杆、并且在该上部板的该下表面与该活塞阀的该底壁之间被捕获。该弹簧正常情况下将该活塞阀偏置至其打开停置位置。
在操作中,该活塞阀保持在打开状态下在停置位置处。为了用测定剂量的可流动产品来填充该测量储器,该容器被倒置,其中该可流动产品经过与上部板的下表面相邻的流动端口来进入并且填充该测量储器。该测量储器内的产品现在准备用于分配。通过挤压该容器以在该容器内产生压力来实现该测定剂量的分配。该容器内连续的压力迫使可流动产品经过这些压力端口进入在该活塞阀的该底壁下方的该测量储器、并且迫使该活塞阀从该打开位置朝向该闭合位置移动,并且以此方式经过该流动导管并且离开该出口孔来分配该测定剂量的产品。当该活塞阀到达该闭合位置时,该阀杆与该流动导管的底端上的该阀座相接合,并且该杯壁的上周缘与该上部板的下表面相接合以便完全关闭该导管并且完成分配周期。
从该容器中释放压力允许该螺旋弹簧膨胀、并且迫使该活塞阀回到在停置位置处的正常状态。该活塞阀的反向运动在该出口孔处产生回吸效应,由此防止任何产品在释放挤压压力后从该出口孔滴落。
可以通过改变该测量储器的尺寸、这些流动端口的尺寸、以及这些压力孔口的尺寸来调整该测定剂量的量。
第二示例性实施例提供了一种尺寸可调整的测量储器,该测量储器允许该使用者分配可调整剂量的产品。这个可调整的实施例包括测量储器、安装在该测量储器上的分配帽、可移动地设置在该测量储器内的活塞阀、以及用于将该活塞阀偏置的弹簧。
该测量储器包括底壁、具有上周缘的圆柱形侧壁、从该周缘向外和向下延伸的储器裙部。该储器裙部包括用于与产品容器的外螺纹颈部接合的内螺纹。
该测量储器具有与该上边缘相邻的多个流动端口,以便在倒置时允许该可流动产品进入该测量储器。该底壁还包括轴向定位的、向上延伸的圆柱形引导杆以及多个压力孔口,产品在分配和填充或再填充的过程中移动经过该多个压力孔口。
该分配帽具有上部板、位于中央的出口孔以及流动导管,该流动导管与该出口孔连通、从该上部板向下悬垂以提供从该流动导管的下端处的入口孔到该出口孔的流动路径。该帽还包括从该上部板向下悬垂的内裙壁,其中,该内裙壁的外表面通过与该测量储器的该侧壁的该上周缘的内表面滑动接合的方式而被接纳。这些壁之间的滑动接合允许该测量储器和该分配帽相对于彼此轴向地滑动、并且协作来界定可调整的储器容积。在操作中,当该上部板与该测量储器的该上周缘接合时界定了最小容积分配位置,并且当该上部板移动远离该测量储器的该上边缘时界定了最大容积分配位置。为了创建这种移动,该分配帽还包括从上部板向下悬垂的外裙部,其中该外裙部具有与该储器裙部上的外螺纹相接合的内螺纹。就此而言,该分配帽相对于所述测量储器是可旋转移动的,以便使该分配帽在该最小容积分配位置与该最大容积分配位置之间线性平移。
该杯形活塞阀具有底壁以及从该底壁向上延伸的阀杆。该阀杆被可滑动地接纳在该测量储器内、并且能够在该测量储器内在打开位置与闭合位置之间移动。在该打开位置中,该阀杆与在该流动导管的入口孔处形成的阀座间隔开,由此可流动产品可以经过这些流动端口来进入该测量储器并且经过该流动导管离开。在该闭合位置中,该阀杆与该阀座配对接合,并且该杯壁的该上周缘与该上部板的该下表面接合,由此关闭该流动导管并且防止该可流动产品离开该出口孔。
该螺旋弹簧驻留在该测量储器内,其中,该测量储器环绕该流动导管和该阀杆、并且在该分配帽的该上部板的该下表面与该活塞阀的该底壁之间被捕获。该弹簧正常情况下将该活塞阀偏置至其打开停置位置。该活塞阀能够响应于通过挤压该容器而在该容器内产生的压力从其正常的打开位置移动至该闭合位置以便分配该测定剂量的产品。
此外,分配操作与在固定剂量的实施例中的分配操作相同。
附图说明
虽然说明书以具体指出并且明确要求本发明的具体实施例的权利要求书作为结束,但是在结合附图阅读时从本发明的不同实施例的以下描述中可以更容易地理解和领会本发明的不同实施例,在附图中:
图1是安装在挤压型产品容器上的分配闭合件的示例性实施例的透视图;
图2是分配闭合件的顶部透视图;
图3是分配闭合件的底部透视图;
图4是分配闭合件的另一个透视图,其中闭合盖被打开;
图5是示出了示例性分配闭合件的部件的分解透视图;
图6是图2的分配闭合件沿线6-6截取的截面视图;
图7是截面视图,示出了倒置的分配闭合件以及位于停置打开位置的活塞阀;
图8是分配闭合件的另一个视图,其中容器被挤压成用于分配产品;
图9是分配闭合件的再另一个视图,其中活塞阀在分配冲程结束时被完全闭合;
图10是分配闭合件的又另一个视图,其中在释放容器上的压力之后该活塞阀返回至打开位置;
图11是另一个示例性实施例的透视图,示出了具有可调整的测量储器的分配闭合件;
图12是分配闭合件的分解透视图;
图13是图12的分配闭合件沿线13-13截取的截面视图;
图14是截面视图,示出了倒置的分配闭合件,外调整帽件旋转至最小分配位置,并且活塞阀处于停置位置;
图15是分配闭合件的另一个视图,其中容器被挤压并且活塞阀在分配冲程结束时被完全闭合;
图16是截面视图,示出了倒置的分配闭合件,外调整帽件旋转至最大分配位置,并且活塞阀处于停置位置;并且
图17是分配闭合件的另一个视图,其中容器被挤压并且活塞阀在分配冲程结束时被完全闭合。
具体实施方式
现在参照附图,本发明的示例性实施例在图1至图10中总体上用10指示。
本发明涉及一种分配闭合件10,用于从挤压型产品容器14中分配测定剂量的可流动产品12。
总体上,产品容器14由柔性塑料来模制并且具有主体部分16,该主体部分足够柔韧使得使用者可以容易地挤压容器14以向容纳在该容器中的可流动产品12施加压力。优选地,容器14还可以包括螺纹颈部18。
分配闭合件10包括闭合体20、通过活动铰接件24连接至闭合体20的闭合盖22、测量储器26、可移动地设置在测量储器26内的活塞阀28、以及用于将活塞阀28偏置至正常打开位置的弹簧30。分配闭合件10、闭合盖22、测量储器26、和活塞阀28优选地由塑料来模制,而弹簧30则优选地由不锈钢来模制。还可以设想适用于可流动产品的其他材料。
闭合体20具有上部板32、位于中央的出口孔34、与出口孔34处于流体连通的流动导管36。流动导管36从上部板32向下悬垂,以提供从流动导管的下端处的入口孔38向上到出口孔34的流动路径。闭合体20还包括从上部板32向下悬垂的内安装裙部40以及被成形成用于与产品容器14的外部形状融合的外装饰裙部42。内裙部40包括用于与产品容器14的螺纹颈部18接合的螺纹。
闭合盖22在闭合位置(图1至图3)与打开位置(图4和图6)之间是可移动的。盖22包括顶壁下侧上的密封结构44,该密封结构以与出口孔34相互配合接合的方式被接纳以便选择性地防止可流动产品在盖22被闭合时离开出口孔34(参见图6)。
参照图5和图6,杯形测量储器26具有底壁46、从底壁46向上延伸的圆柱形侧壁48、以及上周缘50,该上周缘通过与上部板32的下表面上的同心环形安装边沿52卡扣配合接合的方式而被接纳。安装边沿52环绕流动导管36,使得测量储器26环绕并且围绕流动导管36。测量储器26具有与上周缘相邻的多个流动端口54(在图5中最佳可见)以允许可流动产品流进和流出测量储器26。在使用时,在容器14被倒置时经过流动端口54用测定(固定体积)剂量的可流动产品来填充测量储器26。底壁46还包括多个压力孔口56,产品在分配和再填充的过程中移动经过该多个压力孔口。
参照图5至图10,杯形活塞阀28具有底壁以及从底壁58向上延伸的阀杆60,活塞阀28能够在测量储器26内在打开位置(图6和图7)与闭合位置(图9)之间可滑动地移动。为了清晰起见,图7至图10中省略了闭合盖22。在打开位置(图7)中,阀杆60与在流动导管36的入口孔38处形成的阀座62间隔开,由此可流动产品12可以经过流动端口54来进入测量储器26并且经过流动导管36离开(参见箭头)。在闭合位置(图9)中,阀杆60与阀座62配对接合,并且活塞杯壁的上周缘与上部板32的下表面接合,由此闭合流动导管36并且防止可流动产品12离开出口孔34。
螺旋弹簧30驻留在测量储器26内,其中,该测量储器环绕流动导管36和阀杆60、并且在上部板32的下表面与活塞阀28的底壁58之间被捕获。弹簧30正常情况下将活塞阀28偏置至其打开停置位置(图7)。
在操作中,活塞阀28在停置位置处在打开状态下开始其周期(图6)。为了用测定剂量的可流动产品12来填充测量储器26,容器14被倒置(图7),其中可流动产品12经过与上部板32的下表面相邻的流动端口54来进入并且填充测量储器26。测量储器26内的产品12现在准备用于分配。通过挤压容器14以在容器14内产生压力来实现测定剂量的分配(图8)。容器14内连续的压力迫使可流动产品12经过压力孔口56进入在活塞阀28的底壁58下方的测量储器26、并且迫使活塞阀28从打开位置(图7)朝向闭合位置(图8)移动,并且以此方式经过流动导管36并且离开出口孔34来分配测定剂量的产品12。当活塞28阀到达闭合位置时(图9),阀杆60与流动导管36的底端上的阀座62相接合,并且杯壁的上周缘与上部板32的下表面相接合以便完全闭合导管36并且完成分配周期。
从容器14中释放压力(图10)允许螺旋弹簧30膨胀、并且迫使活塞阀28回到在停置位置处的正常状态。可流动产品12经过流动端口54再次进入测量储器26,同时可流动产品12还经过压力孔口56返回至容器14。活塞阀28的反向运动在出口孔34处产生“回吸”效应,由此防止任何产品12在释放挤压压力之后从出口孔34滴落。一旦被直立,少量的产品12将正常地被保持在活塞阀28内。
通过改变测量储器26的尺寸、活塞阀28的尺寸、流动端口54的尺寸、以及压力孔口56的尺寸,本领域技术人员可以容易地调整测定剂量的量以及分配和再填充的速度。
图11至图17示出了第二示例性实施例110,该第二示例性实施例提供了一种尺寸可调整的测量储器,该测量储器允许该使用者分配产品的可调整剂量。这个可调整的实施例112包括测量储器126、安装在测量储器126上的分配帽122、可移动地设置在测量储器126内的活塞阀128、以及用于将活塞阀128偏置的弹簧130。一般来说,可调整的测定剂量是这样提供的:通过将测量储器126安装在容器14上并且允许分配帽122相对于测量储器126可滑动地移动以改变测量储器的容积。
测量储器126包括底壁146、具有上周缘150的圆柱形侧壁148、从该周缘向外和向下延伸的储器裙部140。储器裙部140包括用于与产品容器14的外螺纹颈部18相接合的内螺纹141。
测量储器126具有与上边缘150相邻的多个流动端口154,以便在倒置时允许可流动产品12进入测量储器126(参见图12)。底壁146包括多个压力孔口156,产品12在分配和填充或再填充的过程中移动经过该多个压力孔口。
分配帽122具有上部板132、位于中央的出口孔134、以及流动导管136,该流动导管与出口孔134连通、从上部板132向下悬垂以提供从该流动导管的下端处的入口孔138到出口孔134的流动路径。帽件122还包括从上部板132向下悬垂的内裙壁152,其中,内裙壁152的外表面通过与测量储器126的侧壁148的上部部分的内表面滑动接合的方式而被接纳。这些壁148/152之间的滑动接合允许测量储器126和分配帽122相对于彼此轴向地滑动、并且协作来界定可调整的储器容积(参见图14至图17)。在操作中,当上部板132与测量储器126的上周缘150接合时界定了最小容积分配位置(图14和图15),并且当上部板132轴向地移动远离测量储器126的上边缘150时界定了最大容积分配位置(图16和图17)。为了创建这种移动,分配帽122还包括从上部板132向下悬垂的外裙部142,其中外裙部142具有与储器裙部140上的外螺纹147相接合的内螺纹145。就此而言,分配帽122相对于测量储器126是可旋转移动的,以便使分配帽122在最小容积分配位置(图14和图15)与最大容积分配位置(图16和图17)之间线性平移。应注意的是,分配帽122还可以可旋转地定位在最小位置与最大位置之间的多个中间容积位置(未示出)处以便进一步提供各种不同的分配容积。
可以进一步设想到的是,分配帽122和测量储器126可以包括一个或多个替代性结构,该一个或多个替代性结构允许该分配帽和测量储器在这些最小容积位置和最大容积位置之间或其他中间位置之间移动。例如,壁148/152可以由推拉式卡扣凸缘安排形成,其中分配帽122简单地向外拉至最大分配位置、并且向内推回至最小分配位置。就此而言,可以不需要外裙部,并且还可以不需要储器裙部上的外螺纹。调整概念应该不受示例性实施例的限制。
杯形活塞阀128具有底壁158以及从底壁158向上延伸的阀杆160。阀杆160被可滑动地接纳在引导杆143上,其中活塞阀128能够在测量储器126内在打开位置(图14和图16)与闭合位置(图15和图17)之间可滑动地移动。在打开位置(图14和图16)中,阀杆160与在流动导管136的138入口孔处形成的阀座162间隔开,由此可流动产品12可以经过流动端口154来进入测量储器126并且经过流动导管136和出口孔134离开。在闭合位置(图15和图17)中,阀杆160与阀座162配对接合,由此关闭流动导管136并且防止可流动产品12离开出口孔134。
任选地,为了进一步引导活塞阀128的线性移动,第二示例性实施例110包括轴向定位的、从测量储器126的底壁146向上延伸的圆柱形引导杆143,并且活塞阀128的阀杆160形成有环形形状。就此而言,环形阀杆160可以被同心地接纳在引导杆上。不需要引导杆143和环形阀杆160,第二示例性实施例与第一示例性实施例中所示的阀结构28同样是功能完善的。
螺旋弹簧130驻留在测量储器126内,其中,该测量储器环绕流动导管136和阀杆160、并且在分配帽122的上部板132的下表面与活塞阀128的底壁158之间被捕获。弹簧130正常情况下将活塞阀128偏置至其打开停置位置(图13、图14和图16)。活塞阀128能够响应于通过挤压容器14而在容器14内产生的压力从其正常的打开位置移动至闭合位置(图15和图17)以便分配测定剂量的产品12。
此外,分配操作和阀操作与固定剂量的实施例10中的分配操作和阀操作相同。
因此可以看到,示例性实施例提供了分配闭合件10和110,这些分配闭合件对于从挤压型产品容器14中自动分配测定剂量的、或可调整测定剂量的可流动产品12是特别有效的。
虽然在此示出和描述了体现本发明的不同实施例的某些具体结构,但是对于本领域技术人员来说应明显的是,在不脱离本发明概念的精神和范围的情况下,可以对部件进行各种修改和重新安排,并且除了已经由所附权利要求的范围指示的之外同样不限于在此示出和描述的具体形式。

Claims (8)

1.一种用于从挤压型产品容器中分配可流动产品的分配闭合件,该分配闭合件包括:
杯形测量储器,该杯形测量储器具有底壁、有上周缘的侧壁以及与所述上周缘相邻的多个流动端口,所述测量储器具有被配置成用于附接至产品容器的结构,在倒置时,所述测量储器被经过所述流动端口的测定剂量的可流动产品来填充;
分配帽,该分配帽具有上部板、中央出口孔、流动导管以及内裙壁,该流动导管与所述出口孔连通并且从所述上部板向下悬垂以便提供从该流动导管的下端处的入口孔到所述出口孔的流动路径,该内裙部从所述上部板悬垂,其中,所述内裙壁的外表面通过以下方式而被接纳:与所述测量储器的所述侧壁的所述上周缘的内表面滑动接合,由此所述测量储器与所述分配帽协作来界定可调整的储器容积,
所述分配帽相对于所述测量储器在最小容积分配位置与最大容积分配位置之间是可移动的,
杯形活塞阀,该杯形活塞阀具有底壁以及从所述底壁向上延伸的阀杆,所述活塞阀在该测量储器内在打开位置与闭合位置之间可滑动地移动,在所述打开位置中,所述阀杆与在所述流动导管的所述入口孔处形成的阀座间隔开,由此可流动产品能够经过所述流动端口而进入所述测量储器并且经过所述流动导管离开,在该闭合位置中,所述阀座与所述阀座配对接合,由此关闭所述流动导管,
所述活塞阀响应于通过挤压所述容器而在所述容器内产生的压力而从所述打开位置至所述闭合位置是可移动的,以便分配所述测定剂量的产品;以及
螺旋弹簧,该螺旋弹簧环绕所述流动导管和所述阀杆,并且被捕获在所述分配帽的所述上部板的所述下表面与所述活塞阀的所述底壁之间,所述弹簧正常情况下将该活塞阀偏置至所述打开位置,
所述活塞阀的所述底壁还包括多个压力孔口,其中,当所述活塞阀在所述打开位置与所述闭合位置之间移动时,可流动产品移动经过所述压力孔口。
2.如权利要求1所述的分配闭合件,其中,被配置成用于将所述测量储器附接至所述容器的所述结构包括从所述上周缘向外和向下延伸的储器裙部,所述储器裙部有被配置成用于附接至所述产品容器的颈部的内表面。
3.如权利要求2所述的分配闭合件,其中,所述储器裙部的所述内表面包括内螺纹。
4.如权利要求2所述的分配闭合件,其中,分配帽还包括从所述上部板向下悬垂的外裙部,所述外裙部具有与所述储器裙部上的外螺纹相接合的内螺纹,由此所述分配帽相对于所述测量储器是可旋转移动的,以便使所述分配帽在所述最小容积分配位置与所述最大容积分配位置之间移动。
5.如权利要求1所述的分配闭合件,其中,所述测量储器包括从该测量储器的所述底壁向上延伸的引导杆,并且所述活塞阀的所述阀杆包括环形阀杆,该环形阀杆通过相对于所述引导杆滑动配对的方式而被接纳。
6.如权利要求5所述的分配闭合件,其中,所述引导杆是圆柱形的。
7.如权利要求4所述的分配闭合件,其中,所述测量储器包括从该测量储器的所述底壁向上延伸的引导杆,并且所述活塞阀的所述阀杆包括环形阀杆,该环形阀杆通过相对于所述引导杆滑动配对的方式而被接纳。
8.如权利要求7所述的分配闭合件,其中,所述引导杆是圆柱形的。
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