CN103648658B - 扳机喷雾器的预压缩阀*** - Google Patents

扳机喷雾器的预压缩阀*** Download PDF

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CN103648658B
CN103648658B CN201280017457.2A CN201280017457A CN103648658B CN 103648658 B CN103648658 B CN 103648658B CN 201280017457 A CN201280017457 A CN 201280017457A CN 103648658 B CN103648658 B CN 103648658B
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valve
trigger sprayer
precompression
precompressed
pumping cylinder
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CN103648658A (zh
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D·D·福斯特
P·L·奈尔逊
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Siegel Quantitative Pump Co
Silgan Dispensing Systems Corp
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MeadWestvaco Calmar Inc
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/0005—Components or details
    • B05B11/0062—Outlet valves actuated by the pressure of the fluid to be sprayed
    • B05B11/0075—Two outlet valves being placed in a delivery conduit, one downstream the other
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/01—Single-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
    • B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
    • B05B11/1001—Piston pumps
    • B05B11/1009—Piston pumps actuated by a lever
    • B05B11/1011—Piston pumps actuated by a lever without substantial movement of the nozzle in the direction of the pressure stroke
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/01—Single-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
    • B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
    • B05B11/1038—Pressure accumulation pumps, i.e. pumps comprising a pressure accumulation chamber
    • B05B11/104—Pressure accumulation pumps, i.e. pumps comprising a pressure accumulation chamber the outlet valve being opened by pressure after a defined accumulation stroke
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/01—Single-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
    • B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
    • B05B11/1042—Components or details
    • B05B11/1064—Pump inlet and outlet valve elements integrally formed of a deformable material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/01—Single-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
    • B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
    • B05B11/1042—Components or details
    • B05B11/1073—Springs
    • B05B11/1077—Springs characterised by a particular shape or material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/01—Single-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
    • B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
    • B05B11/1001—Piston pumps
    • B05B11/1009—Piston pumps actuated by a lever
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/01—Single-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
    • B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
    • B05B11/1001—Piston pumps
    • B05B11/1016—Piston pumps the outlet valve having a valve seat located downstream a movable valve element controlled by a pressure actuated controlling element
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/01—Single-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
    • B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
    • B05B11/1042—Components or details
    • B05B11/1043—Sealing or attachment arrangements between pump and container
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/01—Single-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
    • B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
    • B05B11/1042—Components or details
    • B05B11/1043—Sealing or attachment arrangements between pump and container
    • B05B11/1045—Sealing or attachment arrangements between pump and container the pump being preassembled as an independent unit before being mounted on the container
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/01—Single-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
    • B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
    • B05B11/1042—Components or details
    • B05B11/105—Sealing arrangements around pump actuating stem
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B12/00—Arrangements for controlling delivery; Arrangements for controlling the spray area
    • B05B12/08—Arrangements for controlling delivery; Arrangements for controlling the spray area responsive to condition of liquid or other fluent material to be discharged, of ambient medium or of target ; responsive to condition of spray devices or of supply means, e.g. pipes, pumps or their drive means
    • B05B12/085—Arrangements for controlling delivery; Arrangements for controlling the spray area responsive to condition of liquid or other fluent material to be discharged, of ambient medium or of target ; responsive to condition of spray devices or of supply means, e.g. pipes, pumps or their drive means responsive to flow or pressure of liquid or other fluent material to be discharged
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B9/00—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour
    • B05B9/03—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material
    • B05B9/04—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material with pressurised or compressible container; with pump
    • B05B9/043—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material with pressurised or compressible container; with pump having pump readily separable from container
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS 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
    • B65D88/00—Large containers
    • B65D88/54—Large containers characterised by means facilitating filling or emptying

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  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)

Abstract

扳机喷雾器的预压缩阀***包括单件阀***或多部件阀***，该单件阀***其具有止回阀和预压缩阀。

Description

扳机喷雾器的预压缩阀***
相关申请的交叉参考
本申请要求保护2011年4月4日提交的名称为“PRE-COMPRESSION VALVE SYSTEMIN AN ALL PLASTIC DISPENSER WITH A LOCKING PRE-LOAD，UTILIZING A GASKETRETENTION DESIGN AND A TAB PRE-LOADED SPRING”的美国临时申请号No.61/471,308的权益和优先权，并且通过全文引用而其合并于此。
技术领域
本发明的技术领域：本发明的实施例涉及扳机喷雾器，特别是预压缩型的扳机喷雾器。
背景技术
现有技术：扳机喷雾器和它们的用途是众所周知的。在某些情况下，希望避免扳机喷雾器的排出，直至由扳机喷雾器对于待排出的流体施加某种压力或预压缩。已经开发了各种***以实现这种预压缩特征。然而，希望开发新的预压缩构造，其可以更容易或更经济的生产和制造。
发明内容
根据本发明的某些实施例，预压缩扳机喷雾器可以由全塑料材料制成，并可被制作为用来以喷雾、喷流或泡沫分配模式进行大范围输出的分配。这种设计可以用来分配许多液体产品，如，来自空气清新剂、窗户清洁剂、家用化学品、草坪和园艺产品、汽车产品、或其它产品。
在本发明的一些实施例中，扳机喷雾器为这一类型：其结构设置为用于防止压力液体从扳机喷雾器的喷嘴中的出口孔口排出，直至在泵缸中达到液体的预定压力；并且，当泵缸中由扳机喷雾器泵送的液体的压力降至低于预定压力时，停止或切断呈喷雾、喷流或泡沫形式的液体的喷出。
在另一些实施例中，扳机喷雾器可以包括预压缩阀***，其在扳机喷雾器的水平泵缸后面，位于竖直缸内。
在另一些实施例中，可以包括—种在塑料复位弹簧上的突起部，用于增加抵靠在弹簧臂上的载荷；并且可以合并—种锁定***，其提供了在预压缩阀***上的恒定预载荷。
附图说明
尽管说明书以权利要求书作为总结，具体地指出并清楚地要求本发明的特定实施例，从本发明的各种实施例的下列描述当结合附图阅读时，本领域的普通技术人员可以更容易地理解和领会本发明的各种实施例，其中：
图1示出根据本发明的实施例的扳机喷雾器的截面图；
图2示出根据本发明各种实施例的预压缩***的放大截面图；
图3示出根据本发明各种实施例的预压缩***的放大截面图；
图4示出根据本发明各种实施例的预压缩***的放大截面图；
图5示出根据本发明各种实施例的预压缩***的放大截面图；
图6示出根据本发明各种实施例的预压缩***的放大截面图；
图7示出根据本发明实施例的用于扳机喷雾器的垫片；
图7A示出根据本发明实施例的伴有扳机喷雾器的垫片组件；
图8示出根据本发明各种实施例的与扳机喷雾器组装在一起的弹簧的截面图；
图8A示出根据本发明各种实施例的弹簧；
图9示出了图4中所示部件的分解图；
图10示出了图2中所示部件的分解图；和
图11示出了图3中所示部件的分解图。
具体实施方式
根据本发明的各种实施例，预压缩扳机喷雾器可以包括如图1至11中所示的任一构造。根据各种实施例的一种预压缩扳机喷雾器可以包括打开和关闭的相对阀***，其中，预压缩阀1位于竖直缸2中、或流体流动路径内，在水平泵缸3或活塞腔后面。在预压缩阀1下面的是止回阀4。止回阀4可以是预压缩***的一部分，如图2所示作为盘型阀4，或如图3所示作为截头锥形阀5，或如图4所示作为独立阀14或许多其它的构造，当泵缸3的内部产生真空，这些构造将会作为一个单向止回阀***防止液体在压力下或在静止时返回到流体曾被吸出的容器内。
如图1所示，预压缩阀可具有平的、凹的或凸的形状。图1示出了扳机喷雾器中的阀1，然而，这个阀***可以用在任何相对阀分配器中。图1中所示的预压缩阀***需要预定的压力以允许使液体能够在阀1与阀座7之间通过。这种情况发生在当由活塞运动至已被一种弹簧偏置部件8推压回的泵缸前部，泵缸3内产生真空的时候。真空将液体从容器抽吸到汲取管9，并且通过止回阀4 进入泵缸3。然后，一旦活塞移动到泵缸3的后部，曾吸入至泵缸体3内的液体被压缩，并迫使区域10内的液体压缩了预压缩阀1的顶部，允许液体行进通过预压缩阀1和部件11的阀座7进入流动通道12，然后作为喷雾、泡沫或加速流而排出所述喷嘴旋流孔。
在一些实施例中，如图1所示的单件预压缩阀***可以包括由柔性塑料材料而模制成的启动阀部分1和止回阀部分4，其可以允许使得***的阀部分在压力或真空下自由地移动。然而，对于该结构的无阀区域15，并不希望这样。无阀区域15的运动可能降低预压缩阀***的整体有效性。本发明的实施例可以通过***阀壳16的支柱13克服此问题，支柱13在预压缩阀***内部由较硬性材料制成。将较硬性材料阀壳支柱13***无阀区域15还可以消除用两种不同的材料来模制所述预压缩阀***部件的要求，从而降低了制造成本。阀壳16的支柱13内的通道17还可以用作管道，以允许外部大气压力的普通空气进入预压缩阀1后面，允许预压缩阀1自由地移动，而无需考虑预压缩阀1的相对侧上的真空或压缩捕获的空气。
图5中所示的预压缩阀***是阀座18可选的设计。在这一实施例中，作为下止回阀20的一部分或者可由独立部件制成的启动阀19并不运动。相反，阀座18抵靠一种偏压弹簧元件21向上运动。这一运动不会发生，直至在泵缸3 中达到了液体的如前所述的预定压力。运动阀座18的实施例可能需要在运动阀座18与流动通道12的内径之间设置—种密封装置35。这种设计也可以反过来，其中，阀部分替换阀座18，且成为上偏置弹簧元件21的一部分，并向上运动；而阀座部分替换启动阀19，成为下止回阀20的一部分，并且不动。
图6示出了另一可包括降低成本的选项的实施例，其消除了图1的预压缩阀***中所示的独立阀座部件11。在这一实施例中，阀座36可以是壳体25的一部分。图6中所示的预压缩阀***与图1、2、3和4中所示的预压缩阀***的作用相同。
图7中所示的形状配合锁定预压缩阀预加载设计在阀壳16的表面23与外壳25的表面24之间提供恒定负载，防止了装配在阀壳16和外壳25内的预压缩阀***的运动。外壳25上的底切(undercut)29在预载荷干扰下卡入阀壳16 上的槽30内。预压缩阀***的运动可能导致填充的斯托克斯的质数、液体的体积输出量以及从分配***中产生的喷雾/泡沫/喷流形式的不一致。
图7和图7A示出了用于闭合的形状配合锁定垫片保持***。垫片26可以利用阀壳16的肋条21和底切28通过垫片26中的槽31而被保持固定就位。
图8示出了根据本发明各种实施例的塑料弹簧部件8上的偏置负载辅助突起部33，且其提供抵靠在外壳表面34上的压力，以帮助塑料弹簧部件8的弹簧臂22在活塞/致动器的返回真空行程上在泵送缸3内形成真空，这允许使得产品抽吸入泵缸3内。该过程可以反复重复，在塑料弹簧部件8的弹簧臂22上施加应力，可以破坏或失去在返回真空行程上完全回复该活塞的能力。包含根据本发明实施例的突起部33，增加了整体塑料弹簧部件8的强度，从而降低臂22 上的应力。
已这样描述了本发明的某些特定实施例，应当理解，由所附权利要求限定的本发明并不受限于在以上描述中阐述的特定细节，因为可以预期其许多明显的变型。相反，本发明仅被所附权利要求限定，其包括了在它们范围内所有根据本发明描述的原理操作等同的装置或方法。

Claims (11)

1.一种用于分配液体的预压缩型扳机喷雾器，包括：
外壳（25），
水平泵缸（3），
在所述水平泵缸（3）后面的竖直缸（2），
设置在所述水平泵缸（3）内的活塞，
阀座（7，18，36），
阀壳（16），以及
单一的预压缩阀***，所述预压缩阀***包括：
止回阀（4），
预压缩阀（1，19），
无阀区域（15），
其中，该止回阀（4）控制流体流入泵缸（3），其中该预压缩阀（1）位于所述竖直缸（2）内，与泵缸（3）连通，其中所述预压缩阀（1）通过只有在泵缸（3）内达到预定压力时才允许液体从预压缩阀（1）和阀座（7，18，36）之间穿过而控制液体流出所述泵缸（3），
其中所述阀壳（16）包括由比所述止回阀（4）和所述预压缩阀（1）的材料更硬的材料制成的支柱（13），其中所述支柱（13）被***到所述无阀区域（15）内部，
所述预压缩型扳机喷雾器的特征在于，在所述支柱（13）内部提供通道（17），所述通道（17）用作管道以确保无论是在所述预压缩阀（1）的与接触从所述泵缸（3）流出的液体的一侧相对的一侧上形成真空还是积累了压缩的被捕获空气，与接触所述液体的一侧相对的一侧上的压力都等于环境压力。
2.如权利要求1所述的预压缩型扳机喷雾器，其中所述阀座（36）是所述外壳（25）的一部分。
3.如权利要求1所述的预压缩型扳机喷雾器，其中，所述阀座（7、18）是安装在所述竖直缸（2）中的单独的阀座元件（11）的一部分。
4.如权利要求3所述的预压缩型扳机喷雾器，其中，所述预压缩阀（19）不移动，而是所述阀座（18）抵抗着偏压弹簧元件（21）向上移动。
5.如权利要求4所述的预压缩型扳机喷雾器，其中，所述阀座（18）包括接触所述竖直缸（2）的内表面的密封装置（35）。
6.如权利要求1所述的预压缩型扳机喷雾器，其中，所述预压缩阀（1）的顶部部分在所述活塞朝着所述泵缸（3）的后部分的移动压缩所述泵缸（3）内的液体时被压缩。
7.如权利要求1所述的预压缩型扳机喷雾器，其中所述止回阀（4）是截头锥形的，并且所述预压缩阀（1）连接到截头锥形止回阀（4）。
8.如权利要求7所述的预压缩型扳机喷雾器，其中所述单一的预压缩阀由柔性塑料材料形成。
9.如权利要求7所述的预压缩型扳机喷雾器，其中所述预压缩阀具有平的平面。
10.如权利要求7所述的预压缩型扳机喷雾器，其中所述预压缩阀具有凹的平面。
11.如权利要求7所述的预压缩型扳机喷雾器，其中所述预压缩阀具有凸的平面。
CN201280017457.2A 2011-04-04 2012-04-04 扳机喷雾器的预压缩阀*** Expired - Fee Related CN103648658B (zh)

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