WO2015042998A1 - 一种保温饭盒 - Google Patents

一种保温饭盒 Download PDF

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Publication number
WO2015042998A1
WO2015042998A1 PCT/CN2013/085266 CN2013085266W WO2015042998A1 WO 2015042998 A1 WO2015042998 A1 WO 2015042998A1 CN 2013085266 W CN2013085266 W CN 2013085266W WO 2015042998 A1 WO2015042998 A1 WO 2015042998A1
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WO
WIPO (PCT)
Prior art keywords
lunch box
inner pot
heating
box according
screw hole
Prior art date
Application number
PCT/CN2013/085266
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English (en)
French (fr)
Inventor
刘骏涛
Original Assignee
刘骏涛
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 刘骏涛 filed Critical 刘骏涛
Publication of WO2015042998A1 publication Critical patent/WO2015042998A1/zh

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Classifications

    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45C—PURSES; LUGGAGE; HAND CARRIED BAGS
    • A45C11/00—Receptacles for purposes not provided for in groups A45C1/00-A45C9/00
    • A45C11/20—Lunch or picnic boxes or the like

Definitions

  • the present invention relates to the field of household goods, and more particularly to an insulated lunch box. ⁇ Background technique ⁇
  • Lunch boxes are important tableware commonly used in daily life. They are used to carry cooked food and can be cooked at work or in the field for a certain period of time.
  • the lunch box is not kept for a long time. After the food box is placed on the surface of the table or other objects, the heat is conducted from the bottom of the lunch box, which causes the temperature of the food in the lunch box to rapidly decrease, and is not easy to keep warm.
  • the technical problem to be solved by the present invention is to provide an insulated lunch box with good heat preservation effect.
  • An insulated lunch box comprising a liner and an outer casing disposed outside the inner casing, wherein a space is provided between the bottom of the inner casing and the bottom of the outer casing.
  • the bottom of the outer casing is provided with a support post, and the bottom of the inner tank is topped on the support post. Used to support the inner tank to prevent the inner tank from falling down.
  • the support post is provided with a screw hole
  • the bottom of the inner tank is also provided with a screw hole corresponding to the position of the support post, and the inner casing and the outer casing are fixed by screws.
  • the screw hole is used to simultaneously lock the inner liner and the outer casing.
  • the upper end edge of the outer peripheral surface of the inner liner is provided with a limit flange, and the limit flange is mounted on the upper end of the peripheral wall of the outer casing. Used to support the perimeter of the liner, to preserve the existence of the space.
  • the insulated lunch box further comprises a heating device, and the heating device comprises a heating sheet attached to the outer surface of the inner casing for heating.
  • the heating sheet is disposed on a bottom surface of the inner tank, and has a size and a shape corresponding to a bottom surface of the inner tank.
  • the heating sheet is provided with a locking hole
  • the outer surface of the inner tank is provided with a screw hole post corresponding to the locking hole
  • the heating piece is attached to the outer surface of the inner liner by a screw lock on.
  • the present invention provides a space between the bottom of the inner casing of the lunch box and the bottom of the outer casing, thus avoiding direct contact between the inner casing and the bottom of the outer casing, thereby forming an insulating barrier so that the food stored in the inner casing can be kept warm for a long time.
  • FIG. 1 is a view showing the overall structure of a lunch box according to an embodiment of the present invention
  • Figure 2 is a side view of the lunch box of the embodiment of the present invention.
  • Figure 3 is a cross-sectional view taken along line A-A of Figure 2
  • Fig. 4 is an exploded perspective view showing the structure of a lunch box according to an embodiment of the present invention.
  • the present embodiment provides an insulated lunch box, comprising: a liner 200 and a casing 400 disposed outside the liner, and a space 700 is disposed between the bottom of the liner 200 and the bottom of the casing 400. .
  • the spacing space 700 prevents the liner 200 from coming into direct contact with the bottom of the outer casing 400, thereby forming a thermal barrier that allows the food stored in the inner liner 200 to be retained for extended periods of time.
  • a support post 410 is disposed at the bottom of the outer casing 400, and the bottom of the inner casing 200 is mounted on the support post 410.
  • the inner liner 200 is supported in the space 700 to prevent the inner liner 200 from falling down.
  • the upper end edge of the outer peripheral surface of the inner liner 200 is provided with a limit flange 211, and the limit flange 211 is mounted on the upper end of the peripheral wall of the outer casing 400 for supporting the inner liner 200. Peripheral, save the existence of the space.
  • the lunch box is also provided with a heating device 300, and the heating device 300 includes a heating sheet 301 for heat generation attached to the outer surface of the inner liner 200.
  • the heating sheet 301 is disposed on the bottom surface of the inner liner 200, and has a size and shape corresponding to the bottom surface of the inner liner 200, and is heated from the bottom surface of the inner liner 200, so that the heating sheet 301 is conveniently arranged and the heating effect is also more. it is good.
  • a locking hole 302 is disposed on the heating piece 301, and a screw hole post 202 corresponding to the locking hole 302 is disposed on the outer surface of the inner surface of the inner casing 200, and the heating piece 301 is attached by a screw. Onto the outer surface of the liner. Since the thickness of the inner liner is not large, the heat-insulating piece 301 is locked to the bottom surface of the inner tank 200 through the screw hole post, the screw 304 and the locking hole 302. The locking structure is relatively simple, and the thickness of the inner liner does not need to be increased. .
  • the bottom of the outer casing 400 of the lunch box is also provided with a locking hole or a screw hole 402 corresponding to the screw hole post 202, and the screw hole 402 is directly disposed on the support post 410, the inner tank 200,
  • the heating sheet 301 and the outer casing 400 are simultaneously locked together by screws 304, so that a plurality of components can be simultaneously locked by a set of screws, and the structure is relatively simple, and the processing and assembly are convenient.
  • the heating device 300 further includes a control circuit (not shown) for controlling heating of the heating sheet 301, and the control circuit is used for intelligently controlling heating, so that when the food is heated, the food can be ensured. Heating problems and heating time.
  • the control circuit is disposed at a bottom of one side of the inner casing 200.
  • the inner casing 200 is provided with a recess 201 for escaping the control circuit, so that the internal space of the lunch box is sufficient to ensure that the overall structure of the lunch box does not increase.
  • the lunch box in this embodiment is also provided with an indicator light 405 for prompting the state of use of the lunch box.
  • a fixing frame 205 for fixing the indicator 405 lamp and the circuit board thereof is disposed at a position of the bottom side of the inner casing 200 corresponding to the indicator light 405, and the outer casing 400 corresponds to the fixing frame 205. The position is provided with an opening for exposing the indicator light 405.
  • the heating sheet 301 is a metal heating sheet having high heat transfer efficiency, and the heating sheet can be realized by sheet metal processing.
  • the inner liner 200 may be made of plastic or stainless steel.

Abstract

一种保温饭盒，包括内胆（200）和设置在内胆（200）外部的外壳（400），内胆（200）底部与外壳（400）底部之间设置有间隔空间。由于在饭盒内胆（200）底部与外壳（400）底部之间设置了间隔空间，避免了内胆（200）与外壳（400）底部直接接触，形成一个隔热屏障，使得保存在内胆（200）中的食物可以长时间保温。

Description

一种保温饭盒
【技术领域】
本发明涉及生活用品领域， 更具体的说， 涉及一种保温饭盒。 【背景技术】
饭盒是日常生活中常用的重要餐具， 其用于携带熟食， 并在一定时间内可 以在工作地点或野外提供熟食。
通常， 饭盒的保温时间不长， 饭盒在盛放食物后， 放置在桌面或者其它物 体表面上， 热量会从饭盒的底部传导出去， 造成饭盒内的食物温度迅速降低， 从而不易于保温。
【发明内容】
本发明所要解决的技术问题是提供一种保温效果好的保温饭盒。
本发明的目的是通过以下技术方案来实现的： 一种保温饭盒， 包括内胆以 及设置在内胆外部的外壳， 所述内胆底部与所述外壳底部之间设置有间隔空间。
优选的， 所述外壳底部设置有撑托柱， 所述内胆底部顶在所述撑托柱上。 用以撑托内胆， 避免内胆向下陷落。
优选的， 所述撑托柱上设置有螺孔， 所述内胆底部对应所撑托柱的位置也 设置有螺孔， 所述内胆及所述外壳通过螺丝固定。 利用螺孔同时实现内胆与外 壳的锁附。
优选的， 所述内胆外周表面的上端边缘设置有限位凸缘， 所述限位凸缘搭 载在所述外壳周壁的上端。 用以撑托内胆的周边， 保存间隔空间的存在。
优选的， 所述保温饭盒还包括一加热装置， 所述加热装置包括一贴附在所 述内胆的外表面的一层用于发热的加热片。
优选的， 所述加热片设置在所述内胆的底面， 其大小、 形状与所述内胆的 底面相对应。 优选的， 所述加热片上设置有锁附孔， 所述内胆的外表面设置有与所述锁 附孔对应的螺孔柱， 所述加热片通过螺丝锁附到所述内胆的外表面上。
本发明由于在饭盒内胆底部与外壳底部之间设置了间隔空间， 这样， 避免 了内胆与外壳底部直接接触， 从而形成一个隔热屏障， 使得保存在内胆中的食 物可以长时间保温。
【附图说明】
图 1是本发明实施例的饭盒整体结构图，
图 2是本发明实施例的饭盒一侧的视图，
图 3是图 2的 A-A剖面图，
图 4是本发明实施例的饭盒结构分解示意图。
其中： 100、 饭盒盖， 200、 内胆， 201、 凹陷口， 202、 螺孔柱， 205、 固定 架， 211、 凸缘， 300、 加热装置， 301、 加热片， 302、 锁附孔， 304、 螺丝， 400、 饭盒主体， 402、 锁附孔， 405、 指示灯， 410、 撑托柱， 700、 间隔空间。
【具体实施方式】
下面结合附图和较佳的实施例对本发明作进一步说明。
如图 1-图 3 , 本实施例提供一种保温饭盒， 包括： 内胆 200以及设置在内胆 外部的外壳 400, 所述内胆 200底部与所述外壳 400底部之间设置有间隔空间 700。 所述间隔空间 700避免了内胆 200与外壳 400底部直接接触， 从而形成一 个隔热屏障， 使得保存在内胆 200中的食物可以长时间保温。
外壳 400底部设置有撑托柱 410,所述内胆 200底部顶在所述撑托柱 410上。 用以在所述间隔空间 700内撑托内胆 200, 避免内胆 200向下陷落。 同时， 如图 4所示， 所述内胆 200外周表面的上端边缘设置有限位凸缘 211 , 所述限位凸缘 211搭载在所述外壳 400周壁的上端， 用以撑托内胆 200的周边， 保存间隔空间 的存在。 如图 4所示， 饭盒同时还设置有加热装置， 所述加热装置 300包括一贴附在 所述内胆 200的外表面的一层用于发热的加热片 301。
加热片 301设置在所述内胆 200的底面， 其大小、 形状与所述内胆 200的底 面相对应， 从内胆 200的底面加热， 这样加热片 301的设置比较方便， 同时加 热效果也更好。 当然， 也可以在内胆 200的全部外周表面贴附上加热片， 但是， 这样不易加工， 而且， 底部设置加热片已能达到加热的需求。
在加热片 301上设置有锁附孔 302, 对应的在所述内胆 200的外表面即底面 设置有与所述锁附孔 302对应的螺孔柱 202,所述加热片 301通过螺丝锁附到所 述内胆的外表面上。 由于内胆厚度不大， 因此通过螺孔柱、 螺丝 304及锁附孔 302锁附加热片 301到内胆 200底面上， 此种锁附结构较为筒单， 也不需要加大 内胆的厚度。 另外， 饭盒的外壳 400底部也设置有与所述螺孔柱 202对应的锁 附孔或螺孔 402,所述螺孔 402直接设置在所述的撑托柱 410上，所述内胆 200、 加热片 301以及所述外壳 400通过螺丝 304同时锁附在一起， 这样即可将多个 部件通过一组螺丝同时实现锁附， 结构相对筒单， 加工和组装较为方便。
在本实施例中， 所述加热装置 300还包括一用于控制所述加热片 301进行加 热的控制电路（图中未示出）， 控制电路用于实现智能控制加热， 使得加热饭菜 时能够保证加热问题及加热时间。 控制电路设置在所述内胆 200 的一侧底部， 所述内胆 200设置有一用于避让所述控制电路的凹陷口 201 ,这样使得饭盒内部 空间足够， 保证饭盒的整体结构不会增大。
同时， 本实施例中的饭盒还设置有用于提示饭盒使用状态的指示灯 405。 而 所述内胆 200底部一侧对应于所述指示灯 405的位置处设置有一用于固定所述 指示 405灯及其电路板的固定架 205 ,所述外壳 400对应于所述固定架 205的位 置设置有用于露出所述指示灯 405的开孔。
在本实施例中， 所述加热片 301为传热效率高的金属加热片， 该加热片可采 用钣金加工实现。 所述内胆 200可以是塑胶或不锈钢材质。
以上内容是结合具体的优选实施方式对本发明所作的进一步详细说明， 不能 认定本发明的具体实施只局限于这些说明。 对于本发明所属技术领域的普通技 术人员来说， 在不脱离本发明构思的前提下， 还可以做出若干筒单推演或替换， 都应当视为属于本发明的保护范围。

Claims

权利要求
1、 一种保温饭盒， 其特征在于， 包括内胆以及设置在内胆外部的外壳， 所 述内胆底部与所述外壳底部之间设置有间隔空间。
2、 如权利要求 1所述的保温饭盒， 其特征在于， 所述外壳底部设置有撑托 柱， 所述内胆底部顶在所述撑托柱上。
3、如权利要求 2所述的保温饭盒，其特征在于，所述撑托柱上设置有螺孔， 所述内胆底部对应所撑托柱的位置也设置有螺孔， 所述内胆及所述外壳通过螺 丝固定。
4、 如权利要求 1所述的保温饭盒， 其特征在于， 所述内胆外周表面的上端 边缘设置有限位凸缘， 所述限位凸缘搭载在所述外壳周壁的上端。
5、 如权利要求 1所述的饭盒， 其特征在于， 所述保温饭盒还包括一加热装 置， 所述加热装置包括一贴附在所述内胆的外表面的一层用于发热的加热片。
6、 如权利要求 5所述的饭盒， 其特征在于， 所述加热片设置在所述内胆的 底面， 其大小、 形状与所述内胆的底面相对应。
7、 如权利要求 5或 6所述的饭盒， 其特征在于， 所述加热片上设置有锁附 孔， 所述内胆的外表面设置有与所述锁附孔对应的螺孔柱， 所述加热片通过螺 丝锁附到所述内胆的外表面上。
PCT/CN2013/085266 2013-09-29 2013-10-16 一种保温饭盒 WO2015042998A1 (zh)

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CN201310461277.XA CN103494419A (zh) 2013-09-29 2013-09-29 一种保温饭盒

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2792144A (en) * 1954-11-05 1957-05-14 Mayer Robert Foldable lunch box
US4037081A (en) * 1976-06-21 1977-07-19 Aldridge Bobby V Electro-lunch bucket
CN2250699Y (zh) * 1996-06-28 1997-04-02 杨先志 多功能冷热保鲜盒
CN202396701U (zh) * 2011-12-31 2012-08-29 陈坚 一种保温饭盒
CN202819981U (zh) * 2012-08-30 2013-03-27 宁波恒溢电器有限公司 保温电饭盒
CN203505815U (zh) * 2013-09-29 2014-04-02 刘骏涛 一种保温饭盒

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2100830U (zh) * 1991-05-14 1992-04-08 王文超 电热盒
CN2269536Y (zh) * 1995-09-04 1997-12-03 康同尧 单兵野战微型炊具
CN102406300A (zh) * 2010-09-20 2012-04-11 中山市托美电器有限公司 电热饭盒
CN202206946U (zh) * 2011-09-10 2012-05-02 孙奇 电热饭盒

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2792144A (en) * 1954-11-05 1957-05-14 Mayer Robert Foldable lunch box
US4037081A (en) * 1976-06-21 1977-07-19 Aldridge Bobby V Electro-lunch bucket
CN2250699Y (zh) * 1996-06-28 1997-04-02 杨先志 多功能冷热保鲜盒
CN202396701U (zh) * 2011-12-31 2012-08-29 陈坚 一种保温饭盒
CN202819981U (zh) * 2012-08-30 2013-03-27 宁波恒溢电器有限公司 保温电饭盒
CN203505815U (zh) * 2013-09-29 2014-04-02 刘骏涛 一种保温饭盒

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