CN101888966A - 用于碳酸饮料设备的双功能分配头 - Google Patents
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B67D1/0081—Dispensing valves
- B67D1/0082—Dispensing valves entirely mechanical
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
- B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
- B67D1/00—Apparatus or devices for dispensing beverages on draught
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Abstract
一种分配头,结合有多个用于控制多路液体流动的恒流阀,例如糖浆和碳酸水供应给一分配喷嘴。所述阀是常闭的,当入口压力高于选定的阈值时开启。一旦开启,无论液体的输入压力和粘度如何变化,所述阀保持该液体流基本恒定的流速和压力。一封闭机构,使得入口压力超过和低于所述阈值时均关闭所述阀。所述封口机构可以被无效,以当入口压力在阈值以上时,同时允许阀承担调整功能。
Description
交叉援引
本申请要求美国临时申请号No.60/980,191(申请于2007年10月16日)的优先权。
技术领域
本发明涉及一种通常用于碳酸饮料分配的设备,尤其涉及具有双功能分配头的设备,该分配头可以保证每种流体组份(liquid component)以恒定不变的流量流动到所述设备的扩散和分配喷嘴,其有连接开/关调节器。
背景技术
常规的分配头通常采用弹簧负载陶瓷阀,以控制糖浆和碳酸水到喷管的流动,该喷管用来混合并分配该流体。该陶瓷阀包括相配合的滑动面,对输入压力、流体粘度和糖浆结块度(sticky sugar syrups)的变化较敏感,导致分配的饮料有不相同的混合比例且质量不均。还有许多更昂贵的容积分配阀,可电子测量碳酸水的流量,然后计量该糖浆。这些分配阀同样受制于输入压力和粘性变化所带来的精度变化。
为了试图缓解这一常规分配头的问题,采用了手动调整流速以补偿输入压力和粘度的变化的装置。然而,这种方法需要恒定的注意力和频繁的再校准,可能会引起其它问题,包括意外的发生以及奸商故意在饮料中加水等情况。
发明内容
根据本发明,一种双功能的液体分配头,包括限定了对准平行轴线的多个分隔间的壳体。恒流阀(CF阀)被布置在壳体的分隔间中。该CF阀为依照已公开的美国专利申请号US2008/0016365A1描述的类型,此处结合其说明书作为参考,包括横向延伸通过该分隔轴线的隔墙,以将所述分隔间再分隔为头部和基部。所述隔壁中的端口对准了分隔轴线。调整组件将所述基部内部再分隔为液体室和弹簧室。所述调整组件具有沿所述分隔轴线突出的节流销,并通过所述端口进入头部。柔性隔膜支撑沿所述分隔间相反的方向移动的调整组件。弹簧室中的弹簧响应于阈值以下的所述头部的进口液体压力,以保持所述调整组件为抵靠所述隔壁的关闭位置,从而阻挡所述液体从所述头部通过端口流入液体室。所述弹簧响应于阀门阈值以上的所述头部中的进口液体压力,从而可以容纳所述调整组件至与隔壁隔开的开启位置的移动,来自头部的伴随液体流过端口进入液体室之内。按照阈值之上的所述进口液体压力的变化的反函数,所述节流销用来调节通过端口的流通路径的尺寸,从而将传送到液体室的所述液体的压力和流速保持在基本恒定水平上。所述壳体包括连接所述头部到外部液体源的进口,以及将液体室连接到公共喷嘴组件的出口。一封闭机构,当进口液体压力超过和低于所述阈值,独立于所述弹簧,保持调整组件位于关闭位置。所述封盖机构可以是无效的,从而让所述调整组件自由移动到开启位置,以响应所述头部的液体入口压力在阈值以上。
附图说明
本发明的这些以及其它特征和优点将参照下述附图进行进一步的详解,其中:
图1为根据本发明的分配头的一个实施例的部分分解剖视图;
图2为图1中2-2线方向的视图;
图3为所述分配头的侧面图;
图4为根据本发明的分配头的一可选择实施例的透视图;
图5A和5B为通过图4中的分配头的每个CF阀的纵向剖面图;以及
图6为图4中分配头的部件的分解透视图。
具体实施方式
首先参考附图1-3,根据本发明的一个实施例所述的分配头通常地描述为部件10。所述分配头具有一外部壳体12,限定了在平行轴线上对准的独立内部分隔间14。CF阀16A、16B被布置在分隔间14中。在公开的实施例中,CF阀16A可以被认为控制饮料用糖浆的流动速率,CF阀16B可以被认为控制碳酸水的流动速率。除了它们的流速不同外,CF阀16A、16B构造是相同的,则以下说明将用来描述两者。
如图1所示,每一CF阀包括接合到杯状基部18的盖17。
所述盖17限定了隔壁20,该隔壁将分隔间14再分隔为头部22和基部24。壳体中的进口26适用于通连流体供应源(未示出),例如饮料用糖浆或碳酸水,它具有可以在一个阈值上下变化的压力。所述进口26和隔壁24中的中心端口28沿分隔间轴线A1对准。所述外壳中的出口30与横向第一轴线A1的第二轴线A2对准。
一调整组件32与隔壁20结合在一起,将基部24再分隔为分离自弹簧室36的液体室34。在其关闭位置,当进口26的液压低于阈压力时,所述调整组件防止液体流过阀门。当进口处的液压超过阈压力时,所述调整组件转换到一开启位置,并使得容纳液体流过端口28,以恒定的压力和流量进入液体室34,并从那里通过出口30。任何一个出口30或下游孔或限流器使得液体室34中出现了背压力。
所述调整组件32包括活塞38,其由柔性的环形隔膜40承载,用于沿轴线A1在相反的打开和关闭位置之间移动。
具有成形头部的节流销42突出于活塞38,并通过端口28进入与进口26联通的头部22中。在节流销42的放大头部(enlarged head)具有一锥形下侧面,与一隔壁包围端口28的锥形边缘表面相合作,按照进口26处的变化的液压的反函数调节通过端口流动路径的尺寸,结果是可以基本恒定的压力和流量通过所述液体室34和出口30释放液体,无论所述进口液压如何变化,以及液体粘度如何变化。
一位于弹簧室36中的压缩弹簧44被活塞38的下侧表面和杯状基部18的底壁46锁位。弹簧44推动调整组件32朝向隔壁20。当进口26处的液压在阈压力之下时,弹簧44用以保持调整组件处于关闭位置,相对隔壁20上的密封环48对隔膜施压,这样阻挡液体流过液体室34到出口30。当液压超过阈压力时,弹簧44的弹性闭合力被克服,允许所述调整组件移离密封环48,进入其开启位置,允许所述阀门开始调整功能。底壁46中的开口50使得隔膜40下面的容积与大气环境相通。
一作用杆52通过底壁46凸出并邻接到活塞38的基部上。最佳地如附图2和3所示,CF阀16A、16B的作用杆52的外端在54处连接到回转杆56的突出指状物上,回转杆具有向下突出手柄58。一旋转固定扭力弹簧60使得所述杆56沿图1显示的顺时针方向偏置。当液体入口的压力超过和低于所述阀的阈值时,弹簧60的偏置动作不考虑阀门16A、16B的流量控制功能,使得将调整组件置于隔膜40相对密封环48的关闭位置,以防止流过所述阀。止动器62限制了杆56的顺时针运动,并保护隔膜40以防过度受压。
通过手动啮合手柄58并沿逆时针方向旋转杠杆56,CF阀16A、16B的杆52同时从调整组件32的活塞38收回,这样允许阀16A和16B实现它们的流量控制功能。进口26的流体压力将用来克服弹簧44偏置作用,从而偏转隔膜40背离密封环48进入它们的开启位置之内,允许受控的液体流通过过液体室34到达出口30。
接着,液体穿过通路64到达设备的扩散和分配喷嘴66。CF阀16A、16B均通过杠杆56的枢转作用同时地打开和关闭。止动器68限制了杠杆56的反时针方向运动。
附图4-6中以110指示出了根据本发明分配头的另一实施例,壳体112在平行的轴线A1上限定多个分隔间114。CF阀116A、116B布置在分隔间114中。所述CF阀包括延伸通过轴线A1的隔壁120,将分隔间分隔为头部122和基部124。所述隔壁具有在轴线A1上对齐的中心端口128,以及完整的密封环148。
调整组件132将基部124内部分隔为液体室134和弹簧室136。所述调整组件具有沿轴线A1通过端口128突出进入头部122的节流阀轴销142和柔性隔膜140,该柔性隔膜用于支撑调整组件以便沿轴线A1的对向的移动。
在弹簧室136中的第一弹簧144限制在隔膜140和壳体112的端壁146之间。进口处的液体压力低于所述头部122内选定阈值时,第一弹簧144将调整组件132保持在关闭位置,它们的隔膜140压靠在隔壁120上的密封环148上,从而阻挡来自头部液体通过端口128流入液体室134中。通过容纳调整组件132离开隔壁120到开启位置的移动,第一弹簧144可变形地响应于所述头部122内的选定阈值以上的进口液体压力,而隔膜140相对密封环148隔开。这将允许液体自头部122通过端口128流入液体室134内。
所述节流销142具有放大头部,其带有的锥形下侧与端口128具有的锥形边缘配合,从而按照进口液体压力变化的反函数调节通过端口的流通路径的尺寸。该调整功能将进入液体室的液体的压力和流速保持为基本恒定水准。
壳体112的进口126将头部122连接到外部液体源(未示出),而壳体内的出口130将液体室134连接到一公共喷嘴166,几种流体通过该喷嘴排出。
当进口的液体压力超过和低于选定的阈值时,一封闭机构独立于第一弹簧144通过将它们的调整组件保持在关闭位置,来克服所述阀116A、116B的调整功能。
封闭机构包括杆152,在它们的内部末端设置圆形的平衬垫152a,并在它们的外端设置头部152b。所述杆可沿轴线A1在保持位置和无效位置之间轴向移动,在保持位置在所述衬垫152a与调整组件的隔膜140接触,在无效位置衬垫相对隔膜隔开。第二弹簧160包围所述杆152,并同心地布置在第一弹簧144的内部。第二弹簧160在衬垫152a和壳体壁146之间被锁位。第二弹簧160的压缩力克服了第一弹簧144的压力,并且无论进口液体压力是否高于或低于选定的阈值,该压缩力足够大以致于可通过所述杆152将调整组件132保持在它们的关闭位置。
杆152的头部152b机械地连接到横杆156上,横杆156形成杠杆158的底部,杠杆158d在162处枢轴地连接到壳体112。杠杆158具有一分叉上端,机械地连接到电力致动的电磁线圈170的操作销168上。
激励电磁线圈170沿顺时针方向旋转杠杆158,从而克服第二弹簧160的压缩力,导致杆152如图5A和5B所示的沿轴向从右到左移动。这将使得衬垫152a退出与隔膜140的接触,其将使调整组件132响应液体入口压力达到选定的阈值之上自由地移动到开启位置。
可选择的,代替通过电磁线圈170的遥控操作,杠杆158可以是手工操作的。同样,尽管每一实施例已经显示了包括两个CF阀,可以理解可以增加额外的阀,并以类似的串联形式操作。
根据上文所述,根据本发明本领域技术人员将理解,多个CF阀串联的布置以传递调节液体流到一公共喷嘴或类似部件。所述阀起到保证液体以基本恒定的压力和流速传送的作用,无论液体入口压力和粘度如何变化。内部构件的尺寸和物理特性,例如,隔膜40、140的挠性和弹性,端口28、128的尺寸,节流销42、142的尺寸,弹簧44、144的压缩力等等,都是工厂预置的且不受现场干预的影响。
Claims (9)
1.一种双功能液体分配装置,包括:
a)壳体,限定了在平行的轴线上对齐的多个分隔间;
b)布置在所述分隔间中的恒流阀,所述恒流阀包括:
(i)隔壁,所述隔壁横过所述轴线延伸,以将所述分隔间再分隔为头部和基部;
(ii)端口,设置于所述隔壁中;
(iii)调整组件,其将所述基部内部再分为液体室和弹簧室,所述调整组件具有沿所述轴线突出的节流销,并穿过所述端口进入所述头部之内,以及具有支撑所述调整组件的柔性隔膜,用于沿所述轴线以相对方向移动;
(iv)弹簧,其设置于所述弹簧室内,所述弹簧响应低于阈值的所述头部内的进口液体压力以保持所述调整组件抵靠所述隔壁处于关闭位置,从而防止来自所述头部的液体流过所述端口进入所述液体室内,当所述弹簧可变形地响应高于所述阈值的所述头部的进口液体压力,由此容纳所述调整组件背离所述隔壁至开启位置的移动,来自所述头部的伴随液体流过所述端口进入所述液体室之内,所述节流销按照所述阈值之上的所述进口液体压力的变化的反函数调节通过所述端口的流通路径尺寸,由此传递给所述液体室的所述液体的压力和流速保持在一个基本恒定的水准上;
c)进口,设置于所述壳体内,用于将所述头部连接到外部液体源;
d)出口,设置于所述壳体内,用于将所述液体室连接到公共喷嘴;
e)封闭装置,其独立于所述弹簧,用于当所述进口液体压力超过和低于所述阈值时,均保持每一所述调整组件在所述关闭位置;以及
f)操作装置,其用于无效所述封闭装置,从而使得所述调整组件可以响应高于所述阈值的头部的液体入口压力,自由移动到所述开启位置。
2.如权利要求1所述的液体分配装置,其特征在于,所述封闭装置包括沿轴向在保持位置和无效位置之间可移动的杆,在保持位置所述杆接触所述调整组件使将调节组件保持抵靠所述隔壁,在无效位置所述杆与所述调节组件分开。
3.如权利要求2所述的液体分配装置,其特征在于,所述杆对准所述轴线,并可沿轴线轴向移动。
4.如权利要求2或3所述的液体分配装置,其特征在于,所述杆机械地相互连接,并通过一布置在所述壳体外部的第二弹簧弹性保持在所述保持位置,该第二弹簧具有一超过提及的第一弹簧的组合闭合力的闭合力。
5.如权利要求4所述的液体分配装置,其特征在于,所述操作装置包括手动操作杠杆,可操作地连接到所述杆上。
6.如权利要求4所述的液体分配装置,其特征在于,所述操作装置包括遥控操作的、电力驱动的电磁线圈,所述电磁线圈操作地连接到所述杆上。
7.如权利要求2或3所述的液体分配装置,其特征在于,所述杆通过第二弹簧弹性保持在所述保持位置,该第二弹簧包围着所述杆并同心地布置在提及的所述第一弹簧中。
8.如权利要求7所述的液体分配装置,其特征在于,所述操作装置包括手动可操作的杠杆,其操作连接到所述杆上。
9.如权利要求7所述的液体分配装置,其特征在于,所述操作部件包括遥控可操作地电力驱动的电磁线圈,所述电磁线圈操作地连接到所述杆上。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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US98019107P | 2007-10-16 | 2007-10-16 | |
US60/980,191 | 2007-10-16 | ||
PCT/US2008/076612 WO2009051933A2 (en) | 2007-10-16 | 2008-09-17 | Dual function dispensing head for carbonated beverage |
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CN101888966A true CN101888966A (zh) | 2010-11-17 |
CN101888966B CN101888966B (zh) | 2012-11-28 |
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US (1) | US8240522B2 (zh) |
EP (1) | EP2205518B1 (zh) |
CN (1) | CN101888966B (zh) |
MX (1) | MX2010004150A (zh) |
WO (1) | WO2009051933A2 (zh) |
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US8240522B2 (en) | 2012-08-14 |
WO2009051933A2 (en) | 2009-04-23 |
US20090095770A1 (en) | 2009-04-16 |
MX2010004150A (es) | 2010-07-02 |
CN101888966B (zh) | 2012-11-28 |
EP2205518A2 (en) | 2010-07-14 |
EP2205518B1 (en) | 2013-02-13 |
WO2009051933A3 (en) | 2009-09-24 |
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