CN2254666Y - 一种保温饭盒 - Google Patents

一种保温饭盒 Download PDF

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Publication number
CN2254666Y
CN2254666Y CN 95226121 CN95226121U CN2254666Y CN 2254666 Y CN2254666 Y CN 2254666Y CN 95226121 CN95226121 CN 95226121 CN 95226121 U CN95226121 U CN 95226121U CN 2254666 Y CN2254666 Y CN 2254666Y
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thermal insulation
inner bag
tegillum
shell
box
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薛培红
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Abstract

一种保温饭盒,在外壳和内胆之间填充保温衬,内胆端口上设有中间填充保温衬的内盖,内胆中自底部叠装具有小盖的分装盒,小盖上设有卧式提手,本实用新型具有机械强度高,结实耐用,保温性能优良,使用和携带方便的显著优点。

Description

一种保温饭盒
本实用新型属于保温容器,特别是涉及一种保温饭盒。
市售的保温饭盒结构特点是在玻璃制的真空隔离层的外面罩以塑料保护外壳,玻璃真空隔离层即是保温层又是饭盒内胆,其机械强度较差,易碎或漏气,普通的塑料盖保温性能较差,此外该保温饭盒仅设有一个置于内胆端口的兼作内盖的分装盒。
本实用新型的目的是提供一种机械强度高,具有多层分装盒的保温饭盒。
上述目的由以下技术方案获得:在外壳(9)和内胆(7)之间填充保温衬(4’),内胆端口上设有中间填充保温衬(4)的内盖(3),内胆中自底部叠装具有小盖(10)的分装盒(11),小盖上设有卧式提手(14)。
保温衬(4)(4’)为聚胺脂硬质发泡;
内盖(3)由上盖体和下盖体粘合构成,上盖体也可以是与内盖为一体的带上小盖(2)的上分装盒(15)的盒底;
内胆(7)的端口设有外翻折边,并与外壳(9)子口衔接,外翻折边底部设有定位凸台(6)与外壳(9)子口上的凹槽相锁合;
内胆(7)的外翻折边上还设有与外盖(1)螺纹连接的沿口(5),沿口根部装有弹性胶圈(13);
外壳(9)上对称设置背带挂耳(8)。
下面以附图和实施例进一步说明本实用新型:
附图1、本实用新型结构示意图。
图面说明:外盖1,上小盖2,内盖3,保温衬4、4’,沿口5,定位凸台6,内胆7,挂耳8,外壳9,小盖10,分装盒11,背带12,弹性胶圈13,卧式提手14,上分装盒15。
如图所示实施例,塑料内胆(7)和外壳(9)通过对称设置在内胆外翻折边底部的4个定位凸台(6)和相应的外壳子口上的凹槽锁合,防止内胆和外壳的相对运动。外壳底部设有注料孔和排气孔(附图未示出),将聚胺脂硬质发泡液态组合原剂从注料孔中注入,所排气体从排气孔中排出,固化后即成为聚胺脂硬质发泡保温衬(4’),同时将内胆外翻折边和外壳子口接合部封闭,内盖(3)的保温衬(4)制作方法同上,聚胺脂硬质发泡原剂固化的同时,将上盖体和下盖体粘合,保温层厚度均为10毫米。本例的内盖(3)上设有上分装盒(15),盒底即为内盖的上盖体,注塑时与上盖体一次成型,球面形上小盖(2)与上分装盒插入式扣合,当旋紧外盖(1)时,外盖与上小盖接触,防止内盖松脱,套在沿口(5)根部的弹性胶圈(13)使外盖与沿口接合部被密封,可提高本保温饭盒的保温性能。
本实施例的内胆中设有三层分装盒(11),小盖(10)与分装盒采用粗扣螺纹连接,每层高度70毫米,通过卧式提手(14)取出,系在挂耳(8)上的背带(12)长短可调,使本保温饭盒携带方便。
本实用新型的保温衬质轻且富有韧性,耐冲击振动,机械强度高,保温性能好,一般饭菜保温可达6小时之久,多层分装盒的设置使本饭盒使用更加方便。

Claims (4)

1、一种保温饭盒,由外壳、外盖、内胆、内盖所组成,其特征是:在外壳和内胆之间填充保温衬,内胆端口上设有中间填充保温衬的内盖,内胆中自底部叠装具有小盖的分装盒,小盖上设有卧式提手。
2、如权利要求1所述的保温饭盒,其特征是:保温衬是聚胺脂硬质发泡。
3、如权利要求1所述的保温饭盒,其特征是:内盖由上盖体和下盖体粘合构成,上盖体也可以是与内盖为一体的带上小盖的分装盒的盒底。
4、如权利要求1所述的保温饭盒,其特征是:内胆的端口设有外翻折边,并与外壳子口衔接,外翻折边底部设有定位凸台,与外壳内壁子口上的凹槽相锁合,外翻折边上还设有与外盖螺纹连接的沿口,其根部装有弹性胶圈。
CN 95226121 1995-11-17 1995-11-17 一种保温饭盒 Expired - Fee Related CN2254666Y (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 95226121 CN2254666Y (zh) 1995-11-17 1995-11-17 一种保温饭盒

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Application Number Priority Date Filing Date Title
CN 95226121 CN2254666Y (zh) 1995-11-17 1995-11-17 一种保温饭盒

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CN2254666Y true CN2254666Y (zh) 1997-05-28

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104544863A (zh) * 2015-02-03 2015-04-29 夏云美 一种保温饭盒

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104544863A (zh) * 2015-02-03 2015-04-29 夏云美 一种保温饭盒

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