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CN201062136Y - 便携式保温袋 - Google Patents

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CN201062136Y
CN201062136Y CNU2007201425714U CN200720142571U CN201062136Y CN 201062136 Y CN201062136 Y CN 201062136Y CN U2007201425714 U CNU2007201425714 U CN U2007201425714U CN 200720142571 U CN200720142571 U CN 200720142571U CN 201062136 Y CN201062136 Y CN 201062136Y
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moist closet
insulation
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李嘉纬
邵健
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SHANGHAI CHINA YUM! BRANDS Inc
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Abstract

一种便携式保温袋,包括外袋部分和可分离地容纳在外袋部分内的保温室部分,该外袋部分包括具有内部空间的袋体和连接在袋体上以封闭该袋体的内部空间的盖单元,该保温室部分包括彼此分离的保温室主体和用于封闭该保温室主体的开口的保温室盖,其中,保温室部分由可形成具有一定刚性的结构的材料制成,保温室主体的外侧部上涂覆有可反光的涂层,而保温室主体的内壁以及保温室盖的朝向该保温室主体的侧部上设置有柔性材料层。优选外袋部分由防水且防紫外线的材料制成。本实用新型的保温袋能够在具有足够刚性的情况下实现提高的保温效果,并且其各部分各自独立、可完全拆离,因此维护方便、易于清洁并且可分别更换各部件,从而延长了使用寿命。

Description

便携式保温袋
技术领域
本实用新型涉及一种保温袋,尤其涉及用于运送食品的便携式保温袋。
背景技术
目前,市场上已有多种便携式食品保温装置。例如,已知一种用于容纳瓶装冷饮的杯形保温袋,该保温袋体积较小、携带方便,但通常需要在这种保温袋中放置冰垫以达到预期的保温(低温)效果。此外,这种保温袋在运输期间容易因受外力而变形,从而不能很好地保持袋中食品例如冰激凌、沙拉等的初始外观,并且会影响食品的口味。作为便携式食品保温装置的另一示例,乐柏美(Rubbermaid)保温箱具有较好的保温效果以及较好的刚度,但这种保温箱由于要兼顾到保温性能和本身的刚度(即保持所盛食品的外观的性能),因此保温能力仍然不高,经常需要在其内放置冰块等以达到理想的保温效果,不太适合在室外使用。此外,这种保温箱的各部分不能彼此分离,清洁、维护不方便,而且一旦有一部分损坏,就必须更换整个保温箱,成本较高。最后,这种保温箱体积大而且重,不适合于现在常见的利用自行车作为运输工具运送待保温食品的现实情况
因此,需要一种适合国内一般利用自行车送餐的现实情况,并且能达到良好的保温效果、易于清洁维护且使用寿命长的便携式食品保温袋。
实用新型内容
针对上述现有技术中存在的问题,本实用新型提供了一种便携式保温袋,包括外袋部分和保温室部分,其中该外袋部分包括具有内部空间的袋体和连接在袋体上以封闭该袋体的内部空间的盖单元,该保温室部分包括彼此分离的保温室主体和用于封闭该保温室主体的开口的保温室盖,所述保温室部分可分离地容纳在所述外袋部分内,其中,所述保温室部分由能够形成具有一定刚性的结构的保温材料制成,并且所述保温室主体的外侧面上涂覆有反光涂层,而所述保温室主体的内壁以及所述保温室盖的朝向该保温室主体的侧部上均设有柔性材料层。
优选地,所述外袋部分由防水材料或者防红外线的材料制成。
本实用新型的上述设计充分利用了保温材料的保温性能和刚性、涂层的反光性能以及外袋的防水和防红外线性能,从而与通常需要在刚性和保温性之间折衷的现有保温袋或保温箱相比,在具有足够的刚性的同时,显著增强了保温性能。
根据本实用新型,所述外袋部分的袋体在一端开口,并且所述盖单元包括用于封闭该开口的顶盖,从而可通过该开口以可分离的方式向由袋体形成的内部空间中放入保温室部分或从该内部空间中取出该保温室部分,并且可在向保温室部分放入待保温食品之后利用顶盖封闭该开口,从而封闭保温室部分以进行保温。
或者,该袋体可在两端都设有开口,并且盖单元包括分别用于封闭所述两端开口的顶盖和底盖。在这种情况下,可将顶盖用于封闭袋体内的保温室部分,而底盖则用于打开袋体的端部开口以向该袋体内放入保温室部分,并且在放入之后将保温室部分封闭在袋体内。
优选地,在所述顶盖或底盖的边缘附近以及所述袋体的对应部位上设有拉链或粘扣带以用于实现并保持对袋体开口的封闭。
上面所述的便携式保温袋维护方便,各部分相互独立并可完全拆离,从而易于清洁维护,并且在有部件损坏时可单独更换该部件,从而延长了整个保温袋的使用寿命,降低了成本。
由于该保温袋具有一定的刚度,因此,该保温袋的内容积空间在运输中不变形,从而可保持其内食品的初始外观并且不会损害食品的口味。
有利地,所述构成外袋部分的材料包括帆布、皮革等。构成保温室部分的材料包括聚氨酯、泡沫材料等。此外,优选设置在所述保温室主体的外侧部上的反光涂层由例如铝箔构成,而设置在保温室主体的内壁上以及设置在保温室盖的朝向该保温室主体的侧部上的柔性材料层由例如塑料、泡沫等构成。
为了携带方便,优选在所述顶盖的外侧部设置提手,还优选在所述外袋部分上设置背带,尤其是长度可调的背带。从而,本实用新型的保温袋即可手提又可背在肩上,特别有利于以自行车或摩托车为交通工具的食品运输。
附图说明
通过下面参照附图对优选实施例的说明,可清楚地看出本实用新型的更多细节、特征以及优点,在附图中:
图1示出本实用新型的便携式保温袋打开时的整体透视图;
图2示出本实用新型的便携式保温袋未打开时的整体透视图;
图3示出保温室部分的透视图,其中包括保温室主体和保温室盖;
图4示出从图3中的箭头A所在平面截取的保温室主体的剖视图;
图5示出沿图3中的线B-B的保温室盖的剖视图。
具体实施方式
在下面的说明中,图1中的左侧和图2中的上侧称为“顶部”,其相对侧称为“底部”。
如图1所示,本实用新型的便携式保温袋包括外袋部分1和保温室部分2,其中保温室部分2相对于外袋部分1独立并且可拆离地放置在外袋部分1中,由此形成用于输送食品,尤其是输送液体冷饮、冰激凌、沙拉等的便携式保温袋。
具体如图1所示,外袋部分1包括具有内部空间的袋体11以及连接在该袋体11上以封闭该袋体11的内部空间的盖单元。在一种实施方式中,盖单元包括连接在袋体11的顶侧的顶盖12和连接在该袋体11的底侧的底盖13。在这种情况下,首先通过袋体11底侧的开口将保温室部分2-具体为保温室主体21-放入该袋体11的内部空间中,然后利用底盖13封闭袋体11的底侧开口以从底侧将保温室主体21保持在袋体11的内部空间中。保温室主体21开口朝向顶盖12。在袋体11的顶部开口处,在该袋体11的周向边缘上一体地设有保持结构,例如向袋体11的内侧朝向底部延伸一定长度的突边,从而在顶侧保持保温室主体21。这样,就将保温室主体21保持在袋体11的内部空间中。当例如需要清洁或更换保温室主体21时,可打开底盖13以方便地从袋体11中取出该保温室主体21。
图3示出保温室部分2的透视图。如图3所示,在本实施方式中,保温室部分2包括彼此分离的保温室主体21和保温室盖22。该保温室部分2由保温材料例如聚氨酯材料、发泡材料等制成,所述材料可形成具有一定刚性的结构,因此所形成的保温室部分2具有确定的外部形状,并可由此保持该保温室部分内盛放的食品的外观。由于本实用新型的保温袋用于在室外使用,根据本实用新型,在由保温材料形成的保温室主体21的外侧涂覆例如由铝箔形成的反光涂层23,以反射日光从而进一步提高其保温性能。此外,在保温室主体21的内壁以及保温室盖22的朝向保温室主体21的侧部上设置例如由泡沫材料构成的柔性材料层24,以便更好地保护保温室主体21内的食品的外观。
根据本实用新型,该保温室部分2的保温室主体21通过外袋部分1的底盖13和袋体11上的保持结构按照上述方式布置在袋体11的内部空间中。此外,在外袋部分1的顶盖12的朝向袋体内部空间的侧部上设有与保温室主体21的开口相对应的保持结构例如夹层,以将保温室盖22放置在该保持结构中。这样,可打开顶盖12-从而打开保温室主体21-以进行待保温食品的取放,操作方便快捷。在这种设计中,可在需要时分别方便地单独清洁或更换保温室主体21以及保温室盖22。
当然,也可设想使袋体11仅在一端即顶盖12处开口。此时可通过设置在袋体11内壁上的可拆卸式保持结构例如卡扣装置等将保温室主体21放入并固定在袋体11的内部空间中,然后可通过拆卸所述保持结构以便取出保温室主体11。
也可设想不设置可分离的保温室盖22,而是在外袋部分1的顶盖12上设置由保温材料构成的突出部,以便在封闭袋体11的同时隔热地密封保温室部分2的保温室主体21,从而实现保温效果。
如上所述的便携式保温袋维护方便,其各部分-即外袋部分1和保温室部分2-相互独立并可完全拆离,从而易于清洁维护,并且在部件例如保温室主体21损坏时,可单独更换该保温室主体21,而该保温袋的其它部分仍可继续使用,从而延长了整个保温袋的使用寿命,降低了成本。
为方便盖单元的打开与闭合,通常在盖单元即顶盖12和底盖13的边缘附近以及在袋体11的对应部位上设置拉链,从而可方便快捷地打开或闭合所述盖。此外,也可在盖单元尤其是顶盖12以及袋体11的对应部位上设置粘扣带,以实现盖单元的快速打开和闭合。
根据本实用新型,保温室部分2尤其是保温室主体21通过其构成材料的刚性形成了刚性的支承,从而可保持该保温室主体21的形状,并由此保持其内盛放的食品的外观。而保温室主体21的外侧部的涂层23则起到反光的作用,从而与由相同保温材料构成的保温室部分相比,具有增强的保温性能。
此外,优选保温袋的外袋部分1由防水材料例如帆布材料、人造革等制成,从而特别有利于在雨天使用,并能更好地保护待保温的食品。优选地,该外袋部分1由防红外线的材料制成,从而可实现更好的保温效果。
因此,本实用新型的保温袋充分利用了保温材料的保温性和刚性、涂层的反光性以及外袋的防水性和防红外线性能,通过组合利用这些特性,显著增强了保温效果和保持食品外观的效果。
另外,如图2所示,为方便携带,可在外袋部分1尤其是其顶盖12的顶部上设置提手3。还可在该外袋部分1例如袋体11的侧部上设置背带4,从而便于肩背,因此特别有利于以自行车为工具的运输。
本实用新型的便携式保温袋特别适于在强日光或高温等环境下以自行车或摩托车为运输工具运输冷饮、冰激凌等,而在运输过程中无需额外的制冷并且能在运输后很好地保持产品的初始温度和外观。
申请人已经对本实用新型的保温袋进行了测试,测试方法为:在袋中只放一杯饮料的轻载情况下,在强日光和高温环境下运输20分钟。结果如表1所示:
表1
  运输前温度(℃)   运输后温度(℃)   外观变化
  液体冷饮   -1.1   -1.0   -
  液体冷饮   0.5   0.9   -
  冰激凌球   -   -   略变大
从表1中可见,运输之后的液体冷饮的温度变化很小,而冰激凌球的略微变大也表明该冰激凌球的温度变化很小。因此,本实用新型的保温袋具有积极的保温效果。

Claims (9)

1.一种便携式保温袋,包括外袋部分和保温室部分,其中该外袋部分包括具有内部空间的袋体和连接在袋体上以封闭该袋体的内部空间的盖单元,该保温室部分包括彼此分离的保温室主体和用于封闭该保温室主体的开口的保温室盖,其中,所述保温室部分可分离地容纳在所述外袋部分内,其特征在于,所述保温室部分由能够形成具有一定刚性的结构的保温材料制成,并且所述保温室主体的外侧部上涂覆有反光涂层,而所述保温室主体的内壁以及所述保温室盖的朝向该保温室主体的侧部上均设有柔性材料层。
2.根据权利要求1所述的便携式保温袋,其特征在于,所述外袋部分由防水材料制成。
3.根据权利要求2所述的便携式保温袋,其特征在于,所述外袋部分由防红外线的材料制成。
4.根据权利要求1或2所述的便携式保温袋,其特征在于,所述反光涂层包括铝箔。
5.根据权利要求1或2所述的便携式保温袋,其特征在于,所述袋体在一端开口,所述盖单元包括用于封闭该开口的顶盖。
6.根据权利要求1或2所述的便携式保温袋,其特征在于,所述袋体在两端开口,所述盖单元包括用于封闭所述开口的顶盖和底盖。
7.根据权利要求6所述的便携式保温袋,其特征在于,在所述顶盖或底盖的边缘附近以及所述袋体的对应部位上设有拉链或粘扣带以用于封闭该袋体的开口。
8.根据权利要求6所述的便携式保温袋,其特征在于,所述顶盖的顶部侧设有提手。
9.根据权利要求1或2所述的便携式保温袋,其特征在于,所述外袋部分上设有背带。
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