CN102947191A - 真空阀以及制造真空阀的方法 - Google Patents
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Abstract
提供了一种真空阀,所述真空阀用于真空储存容器,具有简化的构造,能够安装在容器中,并且真空保持性提高了。所述真空阀包括:基底,所述基底具有孔;密封膜,所述密封膜附连到柔性膜并覆盖所述基底和所述柔性膜之间的孔;以及所述柔性膜,通过使用粘层,所述柔性膜被附连到所述密封膜和所述基底的上表面,其中,所述柔性膜能够移动到打开位置,并且当所述柔性膜处于打开位置时,附连到所述柔性膜的所述密封膜使得所述孔打开,并且在所述密封膜和所述基底之间形成空气通道,使得空气从中穿过。
Description
技术领域
本发明涉及用于储存容器中的阀,更具体地,本发明涉及允许从该储存容器内部抽取空气并防止空气被吸入该储存容器内部的阀。
背景技术
储存容器可以是乙烯塑料袋,其是可折叠的,允许储存在其中的物体从中被移除,其是柔性的,并能够防止空气泄漏。该储存容器可以包括可重封的开口,物体可以通过该开口被插入;阀,空气可以通过该阀被抽取。使用者可以将物体通过该开口插入该塑料袋中,并使得该开口被密封且使得该塑料袋中的空气从该阀中被抽取。由此,可以有利于在空气已被抽取的储存容器(形式是压缩袋)中所容纳并压缩的物体的移动,同时所要求的储存空间相对较小。
可折叠的、并允许将所储存的物体从中移除的储存容器通过从中移除空气而压缩所储存的物体,并且由于移除了空气而抑制了有害细菌和霉菌的生长。
可以使用图1中的储存容器。该储存容器可以包括容器4、阀6和具有在容器4的端部彼此接合的一对伸出的拉链条的拉链8。
容器4的表面具有用于安装阀6的孔(未在图1中示出)。容器4可以由插在尼龙层和聚乙烯片层之间的含聚乙烯的层形成。然而,容器4的材料可以变化,以防止与要容纳在容器4中的物体或物质的材料发生相互作用。
当拉链8打开时,一个或更多的物质(未示出)可以经由要互相接合的拉链条而插入容器4中。在要储存的物体或物质插入容器4后,可以通过按压拉链带的侧部使其彼此接合而密封容器4。
容器4可以通过闭合拉链8而被密封。然后,容器4中的空气可以通过单向阀6而被从中抽取。在此,可以使用诸如家用或工业真空清洁器等现有的真空产生源而将空气经由阀6而从容器4中被抽取出来。在移除真空产生源后,阀6和拉链8可以允许要保持在容器4内部的真空态。
如图1所示,是具有预定形状的结构的阀6应当允许空气被从中抽取,并防止空气流入该容器,由此,其具有复杂构造,占据大量的体积和空间,增加了生产成本,并且当安装到容器上时有很多困难。
发明内容
技术问题
本发明的方面提供了用在真空储存容器中的真空阀和制造所述真空阀的方法,所述真空阀具有简化的构造,并能够安装在容器中,真空保持性提高了,并且便于制造。
问题的解决措施
根据本发明的方面,提供一种真空阀,所述真空阀包括:基底,所述基底具有孔;密封膜,所述密封膜附连到柔性膜并覆盖所述基底和所述柔性膜之间的孔;以及所述柔性膜,通过使用粘层,所述柔性膜被附连到所述密封膜和所述基底的上表面,其中,所述柔性膜能够移动到打开位置,并且当所述柔性膜处于打开位置时,附连到所述柔性膜的所述密封膜使得所述孔打开,并且在所述密封膜和所述基底之间形成空气通道,使得空气从中穿过。
所述密封膜和所述基底之间可以置有油层。
所述粘层可以为带状,同时沿所述基底的边缘部分设置。
所述柔性膜可以在打开位置时向外鼓出。
所述柔性膜可以由定向聚丙烯(OPP)树脂或者聚对苯二甲酸乙二醇酯(PET)树脂形成。
根据本发明的另一方面,提供一种制造真空阀的方法,所述方法包括:将比柔性膜小的密封膜附连到柔性膜的中部;在基底处形成孔;将附连到所述密封膜的柔性膜附连到具有所述孔的所述基底;并且用所述密封膜覆盖所述孔。
所述方法还可以包括:在所述基底上形成所述孔后,在具有所述孔的所述基底上形成油层。
根据本发明的另一方面,提供了一种真空储存容器,所述真空储存容器包括开口,通过所述开口插入物体;密封单元,所述密封单元密封所述开口;如上所述的真空阀,所述真空阀附连到所述真空储存容器的表面。
发明的有益效果
如上所述,根据本发明的实施例,具有简化构造的真空阀可以提供改善的真空保持性。
由于不使用刚性材料,所以可以防止由阀引起的对容器的破坏,并且,只需要较小的储存空间。
根据本发明实施例制造真空阀的方法可以允许简化的制造工艺以及制造具有提高的性能和减少的制造成本的真空阀。
附图说明
图1是根据现有相关技术、安装有阀的容器的示意性透视图;
图2是根据本发明实施例的真空阀的示意性透视图;
图3是根据本发明实施例的真空阀的示意性分解图;
图4是沿图2中A-A线剖切的、柔性膜处于闭合位置时的剖视图;
图5是沿图2中A-A线剖切的、柔性膜处于打开位置时的剖视图;
图6是沿图2中B-B线剖切的、柔性膜处于闭合位置时的剖视图;
图7是沿图2中B-B线剖切的、柔性膜处于打开位置的的剖视图;
图8是示出了根据本发明实施例制造真空阀的方法的流程图。
具体实施方式
现在参考附图以详细描述本发明的实施例。
然而,本发明可以许多不同的形式实施,并且不应被解释为限于本文所述的实施例。而是,提供这些实施例,使得本公开是全面而完整的,并且本公开将本发明的范围充分表达给本领域的普通技术人员。
本发明提供了薄膜和粘层的结合,二者的厚度都是微米(μm)级的,肉眼不容易从外观看到其厚度。然而,为了帮助理解本发明,在图2至图7中,放大了各层的分布状况(distribution)以清晰显示。
如图2和图3所示,通过使用粘层160将基底150附连到容器表面170而形成真空阀100。容器表面170、粘层160和基底150具有形成在其中的孔180。
对本实施例的描述是基于这种状态的,即在此状态中,真空阀100附连到容器表面170。然而,真空阀100是在这样的状态中制造的,即真空阀100附连到剥离纸而不是容器表面170,并且,在附连到容器表面170之前,剥离纸被移除并且粘层160附连到容器表面170。
油层140设置在基底150的孔180周围,并且油层140也具有与基底150相同的孔180。密封膜130设置在油层140上。粘层120设置在油层140和密封膜130的边缘部分处。粘层120允许密封膜130和柔性膜110之间的附连以及基底150和柔性膜110之间的附连。
根据该实施例,以上所述膜和层的堆叠提供了具有简化结构的、允许产生和保持真空态的阀。
在本实施例中,孔180设置在基底150的中部,并且密封膜130和油层140设置为中部具有孔180的矩形。由此,粘层120成形为带(band),该带从密封膜130和油层140的边缘到基底150的边缘。由于在基底150的边缘部分处的粘层120为带状,所以可以形成空气通道以允许空气穿过孔180。
可以根据需要确定基底150的厚度。在本实施例中,基底150的厚度为大约200μm。相比基底150,柔性膜110和密封膜130可以相对较薄。由于柔性膜110和密封膜130被要求可以在打开位置和闭合位置之间移动,如以下所描述的,所以它们可以根据材料特性而具有合适厚度以能够变形。例如,柔性膜110和密封膜130可以由聚对苯二甲酸乙二醇酯(PET)树脂形成,并且厚度为大约25μm,或者柔性膜110可以由定向聚丙烯(OPP)树脂形成,并且厚度为大约40μm,而且密封膜130可以由PET树脂形成并且厚度为大约25μm。
图4至图7示出了根据本发明的实施例的真空阀的工作过程。在本发明的实施例中,柔性膜110和附连到柔性膜110的密封膜130可以在打开位置和闭合位置之间移动。
如图4和图6所示,在没有施加外力的状态下,油层140、密封膜130、粘层120和柔性膜110堆叠在基底150的孔180周围的上表面上,而只有粘层120和柔性膜110堆叠在基底150的外边缘部分处。由此,尽管使用了粘层120,密封膜130和油层140还会设置在孔180附近,而不是在该基底的边缘部分,当不施加外力时,通过密封膜130关闭孔180,此意为柔性膜110处于闭合位置。而且基底150和密封膜130通过置于其间的油层140而彼此接触,使得由于油层140的粘性而使它们得到二次密封。如图5所示,在闭合位置,空气不能通过孔180向外移动。
密封膜130在闭合状态时覆盖孔180,并且油层140设置在密封膜130和基底150之间,使得在闭合状态时空气的运动被完全阻塞。
如图5所示,在真空产生源的抽气部分紧密联接到容器表面170同时围绕真空阀100并且空气从真空阀100的外部被吸进的情况下,柔性膜110的、密封膜130和不与粘层120连接的油层140所处于的部分由于真空产生源产生的抽吸力而向外鼓起。在此,如图5所示,油层140被分开以允许基底150与密封膜130的分离,而且在分开的油层140之间形成通道,使得孔180和真空阀100的外部可以彼此连通。
在图5和图7中,油层140是均匀分开的。然而,油层140的分开可以是不均匀的使得油层140可以仅在一个表面上,并且完全与另一表面分离,或者油层140可以非均匀地分开。
现有的真空产生源可以用于本发明的实施例,诸如真空清洁器的结构的其结构是众所周知的,所以在此省略对其的说明。
由于柔性膜110和密封膜130彼此附连,所以它们向外鼓起。由此,密封膜130和油层140之间的密封被破坏。由于空气穿过密封膜130和油层140之间的通道,所以容器内的空气可以通过孔180和该通道由真空产生源抽取,使得容器的内部存在真空。
当真空产生源的工作结束时,移除作用在柔性膜110上的力。由于弹性恢复力或容器内部的内压的减少,柔性膜110返回初始状态,即闭合位置,并由此,附连到柔性膜110的密封膜130再次覆盖孔180,在基底150和密封膜130之间的油层140的粘性引起的密封被再次建立。
因此,根据本发明的实施例,该真空阀具有简化的结构和提高的性能。
下文将会详细描述根据本发明实施例的制造真空阀的方法。
柔性膜110、密封膜130和基底150通过辊子提供。操作200中,在粘层120形成在柔性膜110上后,通过使用压膜机而将密封膜130层压在柔性膜110的中部上。柔性膜110的中部指基于该阀的中心部分。另外,柔性膜110、粘层120和密封膜130彼此附连,以形成上叠层。
在操作210中,使用汤姆逊(Thompson)机器在基底150中形成孔180,并且通过使用标签打印机将油施加到孔180周围的标签打印纸上并将其转移到下叠层,而形成油层140。油层140和基底150形成下叠层。
将下叠层的孔180作为中部,设置上叠层的密封膜130以覆盖该下叠层的孔180。此后,在操作220中,该下叠层由上叠层覆盖,并且在它们的外部边缘部分进行汤姆逊操作,由此,制造真空阀100。
为了将真空阀100附连到容器,在基底150的下表面上形成粘层160,将剥离纸附连到其上。当使用的时候,从其移除剥离纸,并将粘层160附连到所述容器。
以上描述的制造方法通过简化的制造工艺和减少的制造成本而允许制造具有简化的结构且改善的性能的真空阀,而不需要其它设备。
虽然已结合实施例示出并描述了本发明,但是对本领域的普通技术人员明显的是,可以在不偏离所附权利要求所限定的本发明精神和范围的情况下对本发明进行各种修改和变体。
Claims (8)
1.一种真空阀,包括:
基底,所述基底具有孔;
密封膜,所述密封膜附连到柔性膜并覆盖所述基底和所述柔性膜之间的孔;以及
所述柔性膜,通过使用粘层,所述柔性膜被附连到所述密封膜和所述基底的上表面,
其中,所述柔性膜能够移动到打开位置,并且当所述柔性膜处于打开位置时,附连到所述柔性膜的所述密封膜使得所述孔打开,并且在所述密封膜和所述基底之间形成空气通道,使得空气从中穿过。
2.如权利要求1所述的真空阀,其特征在于,所述密封膜和所述基底之间置有油层。
3.如权利要求1所述的真空阀,其特征在于,所述粘层为带状,同时沿所述基底的边缘部分设置。
4.如权利要求1所述的真空阀,其特征在于,所述柔性膜在打开位置时向外鼓出。
5.如权利要求1所述的真空阀,其特征在于,所述柔性膜由定向聚丙烯(OPP)树脂或者聚对苯二甲酸乙二醇酯(PET)树脂形成。
6.一种生产真空阀的方法,所述方法包括:
将比柔性膜小的密封膜附连到柔性膜的中部;
在基底形成孔;
将附连到所述密封膜的所述柔性膜附连到具有所述孔的所述基底;以及
用所述密封膜覆盖所述孔。
7.如权利要求6所述的方法,还包括:在所述基底上形成所述孔后,在具有所述孔的所述基底上形成油层。
8.一种真空储存容器,包括:
开口,通过所述开口插入物体;
密封单元,所述密封单元密封所述开口;以及
如权利要求1所述的真空阀,所述真空阀附连到所述真空储存容器的表面。
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KR1020100057083A KR101199894B1 (ko) | 2010-06-16 | 2010-06-16 | 진공 밸브 및 이를 제조하는 방법 |
PCT/KR2011/003838 WO2011159036A2 (en) | 2010-06-16 | 2011-05-25 | Vacuum valve and method of manufacturing the same |
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EP (1) | EP2582588B1 (zh) |
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CN102767669A (zh) * | 2012-07-25 | 2012-11-07 | 李顺贤 | 一种耐高温真空绝热夹芯板及其制备方法 |
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KR101645513B1 (ko) | 2015-10-26 | 2016-08-08 | 주식회사 롤팩 | 진공장치 |
RU176549U1 (ru) * | 2017-06-01 | 2018-01-23 | Дмитрий Анатольевич Блаженков | Штуцер для вакуумных мешков |
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WO2008076605A2 (en) * | 2006-12-13 | 2008-06-26 | The Glad Products Company | Valve element |
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US7178555B2 (en) * | 2000-11-03 | 2007-02-20 | Plitek, Llc | Pressure relief valve |
US7244223B2 (en) * | 2003-05-30 | 2007-07-17 | Avery Dennison Corporation | Food bag release valve |
US7331715B2 (en) * | 2004-01-26 | 2008-02-19 | The Glad Products Company | Valve element |
US7726880B2 (en) * | 2004-06-29 | 2010-06-01 | The Glad Products Company | Flexible storage bag |
WO2006075758A1 (ja) * | 2005-01-17 | 2006-07-20 | Nishiki Trading Co., Ltd. | ガス抜き用弁装置およびこれを装着した包装体 |
US7837387B2 (en) * | 2005-04-06 | 2010-11-23 | Avery Dennison Corporation | Evacuatable container |
MX2007006971A (es) | 2005-06-24 | 2007-06-22 | Glad Products Co | Bolsa para almacenamiento con dispositivo de evacuacion. |
CA2637263A1 (en) | 2006-01-27 | 2007-08-09 | The Glad Products Company | Valve element |
US8197139B2 (en) * | 2007-06-15 | 2012-06-12 | S.C. Johnson Home Storage, Inc. | Valve and valve strip for a reclosable container |
US8746281B2 (en) * | 2009-11-06 | 2014-06-10 | Sonoco Development Inc. | Valve and method of making same |
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WO2008076605A2 (en) * | 2006-12-13 | 2008-06-26 | The Glad Products Company | Valve element |
US20100242407A1 (en) * | 2006-12-13 | 2010-09-30 | Scott Binger | Valve Element |
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CN102767669A (zh) * | 2012-07-25 | 2012-11-07 | 李顺贤 | 一种耐高温真空绝热夹芯板及其制备方法 |
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CA2802657C (en) | 2015-02-10 |
EP2582588A2 (en) | 2013-04-24 |
WO2011159036A2 (en) | 2011-12-22 |
KR20110137075A (ko) | 2011-12-22 |
RU2546456C2 (ru) | 2015-04-10 |
CA2802657A1 (en) | 2011-12-22 |
RU2013101784A (ru) | 2014-07-27 |
WO2011159036A3 (en) | 2012-04-19 |
JP2013530106A (ja) | 2013-07-25 |
JP5715246B2 (ja) | 2015-05-07 |
EP2582588A4 (en) | 2014-01-22 |
EP2582588B1 (en) | 2016-03-23 |
CN102947191B (zh) | 2015-04-01 |
US20130126526A1 (en) | 2013-05-23 |
KR101199894B1 (ko) | 2012-11-09 |
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