CN207270041U - Lunch box - Google Patents

Lunch box Download PDF

Info

Publication number
CN207270041U
CN207270041U CN201721292180.0U CN201721292180U CN207270041U CN 207270041 U CN207270041 U CN 207270041U CN 201721292180 U CN201721292180 U CN 201721292180U CN 207270041 U CN207270041 U CN 207270041U
Authority
CN
China
Prior art keywords
lunch box
cold
box body
food
generation device
Prior art date
Legal status (The legal status 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 status listed.)
Active
Application number
CN201721292180.0U
Other languages
Chinese (zh)
Inventor
李辉群
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BEIJING ROLOO TECHNOLOGY Co Ltd
Original Assignee
BEIJING ROLOO TECHNOLOGY Co Ltd
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 BEIJING ROLOO TECHNOLOGY Co Ltd filed Critical BEIJING ROLOO TECHNOLOGY Co Ltd
Priority to CN201721292180.0U priority Critical patent/CN207270041U/en
Application granted granted Critical
Publication of CN207270041U publication Critical patent/CN207270041U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Purses, Travelling Bags, Baskets, Or Suitcases (AREA)

Abstract

The utility model provides the lunch box that food is fresh in a kind of enough long period holding lunch boxes, is related to lunch box technical field, solves the problems, such as that lunch box existing in the prior art can not be fresh-keeping to the food in lunch box.The lunch box, including lunch box body and cold generation device, the opening that the lunch box body has the internal storage space for accommodating food and allows food to be passed in and out from the internal storage space, the cold generation device includes cold housing and is arranged on the cold material of the cold enclosure interior, the number of the lunch box body is at least one, and the cold material can provide cold to the food in the lunch box body interior memory space;The cold generation device is located at least in the surface or underface of all lunch box bodies, and there are gap or the cold generation device between the cold generation device and the lunch box body to be abutted against with the lunch box body.The utility model can be used for the daily band meal of working clan, can be used for outgoing carrying food.

Description

Lunch box
Technical field
Lunch box technical field is the utility model is related to, can keep food in lunch box new the long period more particularly, to one kind Fresh lunch box.
Background technology
Lunch box is a kind of box for being specifically used to dress food, also referred to as boxed cassette, and aluminium multi-purpose greatly, stainless steel, plastics are made.Though Right catering trade is quite flourishing, and the lunchtime of one hour can look for a restaurant to have dinner nearby in work, or be sent by taking out Meal, but many working clans have the also custom with meal, the food carried during working to be made according to the taste of oneself, and Much cleaner more nutrition.Lunch box is put into refrigerator after morning working, the lunchtime need to can only eat by micro-wave oven heat heating.
With the development of technology, there is incubation canteen and lunch box capable of heating, incubation canteen is added outside common lunch box Insulation construction, have it is two layers inside and outside in fill foamed plastics, then be plated with metallic film in internal layer and form.From conduction, radiation, convection current Three aspects reduce the loss of heat.Lunch box capable of heating is to install electric heater unit additional in lunch box, food is heated, for not possessing Provided a great convenience for micro-wave oven or the situation for being lined up needs using micro-wave oven.
But existing lunch box but cannot be fresh-keeping to food, if in summer, in the case of no refrigerator, the meal that carries Dish is easy to go bad, or, food is also apt to deteriorate in carrying process due to road farther out.Therefore, existing lunch box can not be right Food in lunch box is fresh-keeping, the long period cannot store food, becomes the severe technical problem to be solved of those skilled in the art.
Utility model content
, can not be to lunch box to solve lunch box existing in the prior art the purpose of this utility model is to provide a kind of lunch box The problem of interior food is fresh-keeping.
To achieve the above object, the utility model provides following technical scheme:A kind of lunch box, including it is lunch box body, cold Volume production generating apparatus and heating unit, the lunch box body have the internal storage space for accommodating food and allow food from institute The opening of internal storage space disengaging is stated, the cold generation device includes cold housing and is arranged in the cold housing The cold material in portion, the number of the lunch box body is at least one, and the cold material can deposit the lunch box body interior The food stored up in space provides cold;The cold generation device is located at least in the surface or just of all lunch box bodies Lower section, and there are gap or the cold generation device and the lunch box between the cold generation device and the lunch box body Body abuts against;The heating unit is arranged on the lower section of the lunch box body, and can heat the lunch box body contents and receive Food.
Preferably, the lunch box body includes holding the first noumenon of staple food and holds the second body of dish;Described first Body and the second body are located at the surface of the first noumenon and the second body in vertical arrangement, the cold generation device.
Preferably, the lunch box body further includes box lid, and the box lid can seal the lunch box body.
Preferably, the box lid is equipped with air-breather.
Preferably, the cold material includes package body and the cooling medium being contained in the package body, the bag Fill body and be equipped with cooling dielectric openings, and the cold lid of the cooling dielectric openings can be sealed.
Preferably, the lunch box further includes outer cover and outside housing cover, and the outer cover includes accommodating lunch box body, cold generation dress Put and the accommodation space of heating unit, the outside housing cover can be covered on the outer cover.
Preferably, the outer cover includes bottom, intermediate layer and upper strata, and the bottom, intermediate layer and upper strata detachably connect Connect, the heating unit is arranged in the bottom, and the outside housing cover is covered on the upper strata.
Preferably, the outside housing cover is equipped with the first air hole.
Preferably, it is equipped with the support plate for being used to support the lunch box body in the outer cover, the support plate is equipped with the Two air holes.
Preferably, timer, the heating unit and the timer are additionally provided with the outer cover by being electrically connected, is passed through The timer can set time and the heating and continuous time that heater is begun to warm up.
The beneficial effects of the utility model are:By setting cold generation device, cold can be provided for food, when longer Between holding food it is fresh, effectively slow down bacteria breed, keep food hygiene and safety;The setting of heating unit, can need When having a meal, food is heated, allows people to be able to eat reeky food, the function of the cold and hot combination of the lunch box user provides great It is convenient.
Many technique effect bags that optimal technical scheme in many technical solutions provided by the utility model can be generated Include:The cold material includes package body and the cooling medium being contained in the package body, using preceding by freezing in advance, Long period it can provide cold, operating aspect for food.Cold generation device is placed in the first noumenon and the second body Surface, be conducive to cold generation device release cold to lunch box bulk diffusion, strengthen the safety effect to food.It is described The box lid that can be sealed is set on lunch box body, can effectively prevent from overflowing pollution surrounding environment, while can play and separate air, Prevent external contaminants from entering the effect of lunch box body.
Brief description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, drawings in the following description are only It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor Under, other attached drawings can also be obtained according to these attached drawings.
Fig. 1 is the structure diagram of lunch box described in the utility model;
Fig. 2 is the structure diagram of the bottom surface of lunch box described in the utility model;
Fig. 3 is the sectional drawing on the A-A directions of Fig. 2.
Embodiment
To make the purpose of this utility model, technical solution and advantage clearer, below by the technology of the utility model Scheme is described in detail.Obviously, the described embodiments are only a part of the embodiments of the utility model, rather than all Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not before creative work is made Obtained all other embodiment is put, belongs to the scope that the utility model is protected.
As shown in Figs. 1-3, the utility model provides a kind of lunch box, which can be used for the daily band meal of working clan, can Food is carried for outgoing.
The lunch box, including lunch box body, cold generation device and heating unit, lunch box body, which has, accommodates the interior of food Portion's memory space and allow the opening that pass in and out from internal storage space of food, cold generation device including cold housing 30 and The cold material 3 being arranged on inside cold housing 30, the number of lunch box body is at least one, and cold material 3 can be to lunch box sheet Food in body internal storage space provides cold;Cold generation device is located at least in the surface or just of all lunch box bodies Lower section, and there are gap or cold generation device between cold generation device and lunch box body to be abutted against with lunch box body;Cold Generation device is able to maintain that food fruit etc. is in relatively low preservation environment and effectively slows down bacteria breed, keeps food hygiene peace Entirely, the heating unit is arranged on the lower section of the lunch box body, and can heat the food that the lunch box body contents are received.Add The setting of thermal, can heat food, allows people to be able to eat reeky food when needing to have a meal.
Lunch box body can be that either cross section is circular or ellipse storage container to cuboid;
The material of lunch box body can be 304 stainless steels of food grade plastic or food-grade.
The quantity of lunch box body body can be one or be multiple;One lunch box body needs to mix different meals Together, but the space occupied is smaller;Multiple lunch box bodies need to take more space, but separate different foods, prevent Taint of odour, influences mouthfeel.
By the setting of cold generation device, be able to can also deposited by abutting directly conduction cold with lunch box body The mode for leading to radiation in the case of gap conducts cold, so as to fulfill to the fresh-keeping of the intrinsic food of lunch box.
Cold generation device can be by battery powered cooling piece or can store cold in advance, and incite somebody to action The cooling medium of the cold release of storage.
As optional embodiment, lunch box body includes holding the first noumenon 11 of staple food and holds the second body of dish 12;The first noumenon 11 is set and holds 12 two lunch box bodies of the second body of dish, can either prevent the soup inside vegetables from soaking Staple food is steeped, and excessive space will not be taken;Because cold air declines, the principle that heat space rises, the first noumenon 11 and second Body 12 in vertical arrangement, the first noumenon 11 is located above or below the second body 12 can be to be put by cold generation device In the surface of 11 and second body 12 of the first noumenon, be conducive to the cold of cold generation device release to lunch box bulk diffusion, Strengthen the safety effect to food.
As optional embodiment, lunch box body further includes box lid, and box lid can seal lunch box body;The setting energy of box lid Effectively prevent from overflowing pollution surrounding environment, while can play and separate air, prevent external contaminants from entering lunch box body Effect.
As optional embodiment, box lid is equipped with air-breather.Air-breather is push type air-breather, by by The different ends of lower air-breather, can be such that air-breather switches between sealing and aeration status, pass through in the middle part of air-breather Hinged mode is arranged on box lid, when box lid is covered when on lunch box body, by pressing the first end of air-breather, makes to lead to Device of air is in the state of sealing lunch box body, by pressing the second end of vent cap, lunch box body can be made to be connected with outside. When lunch box body interior because when food becomes cold generation negative pressure by heat, it is difficult to which box lid is opened, lunch box is connected by air-breather During the inside and outside air of body, make inside and outside pressure identical, just can easier open the lid.
Box lid includes covering the first box lid of the first noumenon 11 and covers 12 second box lid of the second body.
As optional embodiment, cold material 3 includes package body and the cooling medium being contained in package body, bag Fill body and be equipped with cooling dielectric openings, and the cold lid 31 of cooling dielectric openings can be sealed.It can be water or phase to cool down medium Change heat storage material;Phase change heat storage material can be the sodium acetate crystallization water and salt Sodium acetate trihydrate, add 0.1%~5% borax As nucleator, and the carboxyl methyl cellulose of addition 1%~10% is as thickener.It is close that medium will be cooled down by package body Envelope, easy to use, cold material 3 or cold material 3 before the use, can be positioned over ice by lunch box together with cold housing 30 Cold is put aside in case;Lunch box is that lunch box is intrinsic in use, cold material 3 or cold housing 30 are taken out from refrigerator Food provides cold, keeps food fresh, by controlling the usage quantity of cold material 3 to control the temperature of food environment, The environment for keeping food fruit to be in 2-8 DEG C as far as possible.
In order to which more easily carrying lunch box body is together with cold generation device, as optional embodiment, lunch box also wraps Outer cover and outside housing cover 20 are included, lunch box body and cold generation device can be placed in outer cover vertically, and cover outside housing cover 20.Cold generation device and lunch box body are with outer cover to be detachably connected.
As optional embodiment, heating unit is placed in the bottom 21 of outer cover, including accommodates the water cavity 52 of water and hold Receive the heating chamber 53 of heater, heater can be heater strip or heating plate, heat the water in water cavity 52 by heater, make water Food, by the intrinsic food of vapor lunch box capable of heating of heat, can also be placed in water cavity 52, be eaten using boiling by evaporation Thing.The setting of heating unit for do not possessing micro-wave oven or made using micro-wave oven needs be lined up in the case of for provide very Big convenience.
It should be noted that when being heated using heating unit to food, it is necessary to which cold generation device is taken out.
Specifically, the bottom 21 of outer cover includes the double-decker that is made of internal layer 212 and outer layer 211, and internal layer 212 and outer The heating chamber 53 for accommodating heater is formed between layer 211, and internal layer 212 and the opposite face of outer layer 211 are connected by connector 213 To support heating chamber 53;Internal layer 212 upwardly extends to form water cavity 52.
Optionally embodiment, the bottom surface of outer cover are equipped with support feet 6, and support feet 6 is equipped with screw hole, support feet 6 can be screwed on the bottom surface of outer cover;The quantity of support feet 6 is 4, and is evenly distributed on the bottom surface of outer cover.Branch The setting of spike 6, when lunch box heats, is used to support outer cover, and the water for preventing from overflowing by heating soaks shroud floor.
Optionally embodiment, the bottom surface of outer cover are equipped with heat emission hole 7, and heat emission hole 7 can produce heater useless Thermal expansion is scattered to the outside of outer cover, extends the service life of heater.
As optional embodiment, outside housing cover 20 is equipped with the first air hole 8, is utilizing heating devices heat food When, unnecessary steam can be diffused out outside outer cover by the first air hole 8, so as to ensure the safety of heating process.
As optional embodiment, since the quantity of lunch box body can be two or more, when lunch box body directly stacks Make that the efficiency of heating surface of the steam to lunch box body can be influenced, therefore the support for being used to support lunch box body is set between lunch box body Plate 24, support plate 24 are equipped with the second air hole.Different lunch box bodies can be separated by support plate 24, and support plate 24 are equipped with air hole, and the air hole heating that the steam that outer cover bottom 21 produces can be also passed through in support plate 24 is located at support plate 24 The lunch box body of top.
For the ease of multiple square box bodies are taken out inside outer cover, the lunch box sheet especially positioned at the lower section of support plate 24 Body, outer cover include bottom 21, intermediate layer 22 and upper strata 23, and intermediate layer 22 is removable with upper strata 23 and bottom 21 by lock 4 respectively Downlink connection is unloaded, upper strata is equipped with the opening of outer cover, and outside housing cover 20 is covered on upper strata 23.
The bottom on intermediate layer 22 and upper strata 23 can be equipped with support plate 24, and lunch box body can be placed in support plate 24.
The bottom 21 of outer cover is additionally provided with outlet 51, when connecting outlet 51 and external power supply by power cord, adds The electric energy that hot device can utilize external power supply to provide generates heat to heat the water in water cavity 52, and then heats food.For not possessing Provided a great convenience for micro-wave oven or the situation for being lined up needs using micro-wave oven.Can be right when needing to have a meal Food heats, and allows people to be able to eat reeky food;Or even can live boiling food.
As optional embodiment, be additionally provided with timer on outer cover, heater with timer by being electrically connected, by fixed When device can set time and the heating and continuous time that heater is begun to warm up, when pass through power cord connect outlet 51 During with external power supply, heating time realization can be preengage and automatically begin to heating and automatic termination heating.
More than, it is only specific embodiment of the present utility model, but the scope of protection of the utility model is not limited thereto, Any one skilled in the art can readily occur in change or replace in the technical scope that the utility model discloses Change, should be covered within the scope of the utility model.Therefore, the scope of protection of the utility model should be wanted with the right Subject to the protection domain asked.

Claims (10)

  1. A kind of 1. lunch box, it is characterised in that including lunch box body, cold generation device and heating unit, the lunch box body With the internal storage space for accommodating food and the opening for allowing food to be passed in and out from the internal storage space, the cold production Generating apparatus includes cold housing (30) and is arranged on the internal cold material (3) of the cold housing (30), the lunch box sheet The number of body is at least one, and the cold material (3) can provide the food in the lunch box body interior memory space cold Amount;The cold generation device is located at least in the surface or underface of all lunch box bodies, and the cold produces There are gap or the cold generation device between device and the lunch box body to abut against with the lunch box body;The heating Device is arranged on the lower section of the lunch box body, and can heat the food that the lunch box body contents are received.
  2. 2. lunch box according to claim 1, it is characterised in that the lunch box body includes the first noumenon for holding staple food (11) and the second body (12) of dish is held;The first noumenon (11) and the second body (12) are in vertical arrangement, the cold Generation device is located at the surface of the first noumenon (11) and the second body (12).
  3. 3. lunch box according to claim 2, it is characterised in that the lunch box body further includes box lid, and the box lid can be close Seal the lunch box body.
  4. 4. lunch box according to claim 3, it is characterised in that the box lid is equipped with air-breather.
  5. 5. lunch box according to claim 1, it is characterised in that the cold material (3) includes package body and is contained in Cooling medium in the package body, the package body is equipped with cooling dielectric openings, and can seal the cooling dielectric openings Cold lid (31).
  6. 6. according to any lunch boxes of claim 1-5, it is characterised in that the lunch box further includes outer cover and outside housing cover (20), the outer cover includes accommodating the accommodation space of the lunch box body, cold generation device and heating unit, the outer cover Lid (20) can be covered on the outer cover.
  7. 7. lunch box according to claim 6, it is characterised in that the outer cover includes bottom (21), intermediate layer (22) and upper Layer (23), the bottom (21), intermediate layer (22) and upper strata (23) are detachably connected, and the heating unit is arranged on the bottom In layer (21), the outside housing cover (20) is covered on the upper strata (23).
  8. 8. lunch box according to claim 6, it is characterised in that the outside housing cover (20) is equipped with the first air hole (8).
  9. 9. lunch box according to claim 6, it is characterised in that be equipped with the outer cover and be used to support the lunch box body Support plate (24), the support plate (24) are equipped with the second air hole.
  10. 10. lunch box according to claim 6, it is characterised in that timer, the heating unit are additionally provided with the outer cover With the timer by being electrically connected, time that heater begins to warm up and heating and continuous can be set by the timer Time.
CN201721292180.0U 2017-09-30 2017-09-30 Lunch box Active CN207270041U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721292180.0U CN207270041U (en) 2017-09-30 2017-09-30 Lunch box

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721292180.0U CN207270041U (en) 2017-09-30 2017-09-30 Lunch box

Publications (1)

Publication Number Publication Date
CN207270041U true CN207270041U (en) 2018-04-27

Family

ID=61988767

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201721292180.0U Active CN207270041U (en) 2017-09-30 2017-09-30 Lunch box

Country Status (1)

Country Link
CN (1) CN207270041U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112165890A (en) * 2018-05-25 2021-01-01 麦克夫股份有限公司 Transport boxes, especially transport boxes for partially prepared meals

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112165890A (en) * 2018-05-25 2021-01-01 麦克夫股份有限公司 Transport boxes, especially transport boxes for partially prepared meals

Similar Documents

Publication Publication Date Title
US4904848A (en) Portable cooling and heating device
CN205386084U (en) Fresh -keeping cereal preparation combination steam heating device
CN207979189U (en) A kind of temperature control lunch box
CN207270041U (en) Lunch box
KR101200555B1 (en) Warming
CN218606101U (en) Cold and hot pot capable of preserving freshness
CN213604912U (en) A solar lunch box with fresh-keeping and heating functions
CN219353548U (en) Thermal insulation barrel
CN207903165U (en) A kind of double chambers insulated bag
CN202635900U (en) Drawer type portable thermal insulation meal box
CN203860625U (en) Portable food insulation bucket adopting phase change heat storage
CN209644151U (en) Multi-layer heat preserving dish-feeding box
CN211224748U (en) Lunch box
CN221586585U (en) Portable refrigerator
CN219651829U (en) Preservation box capable of maintaining low temperature
CN201005186Y (en) Container capable of simultaneously keeping multiple temperatures
CN214317247U (en) A fast food box with good thermal insulation
CN223158017U (en) A multifunctional lunch box
CN212686385U (en) Thermal insulation container
JPH07241246A (en) Heat insulating box for catering
CN212014754U (en) Lunch box
CN205512980U (en) Adopt hot electric refrigeration's heat preservation lunch -box
CN220885228U (en) Insulation equipment for refrigerated diet
CN216796789U (en) Compressible degradation cutlery box
CN213370448U (en) Double-deck heat preservation type plastic cutlery box

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant