CN218737625U

CN218737625U - Portable heat-preservation lunch box

Info

Publication number: CN218737625U
Application number: CN202223473723.2U
Authority: CN
Inventors: 刘清峰; 余保贞; 余保红
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-12-26
Filing date: 2022-12-26
Publication date: 2023-03-28
Anticipated expiration: 2032-12-26

Abstract

The utility model discloses a portable heat preservation lunch box, which comprises a shell and a cover body, wherein the shell is provided with an accommodating cavity, and the cover body can be arranged in the accommodating cavity in an opening and closing manner; the accommodating cavity is provided with a heating element, and the shell is provided with a battery for supplying power to be connected with the heating element; the battery is also electrically connected with an on-off switch for controlling the battery to discharge; the accommodating cavity is detachably provided with a tray for accommodating food; and the battery is mounted on the outer peripheral side of the case. Therefore, the tray is heated and insulated by the heating element, so that the temperature of the meal can be kept constant, and the taste of the meal is guaranteed; meanwhile, the tray is detachably arranged in the containing cavity, so that the tray can be cleaned after meals, and the contact frequency of electronic elements such as batteries and heating elements with water can be effectively reduced; and, the heat preservation lunch-box overall structure of this application is comparatively simple ingenious, has the equipment convenience, the practicality is strong and do benefit to the advantage of producer control cost.

Description

Portable heat-preservation lunch box

Technical Field

The utility model relates to a lunch-box field especially relates to a portable heat preservation lunch-box.

Background

Because the taste and the flavor of the meal can be influenced after the meal is cooled, people design and produce various lunch boxes with heating and heat preservation functions, thereby solving the problem that the taste is influenced when the meal becomes cold (cold).

However, the existing heat preservation (heating) lunch box has some disadvantages, for example, the existing lunch box is directly formed (or fixedly connected) with a containing cavity for containing food, so that when the lunch box is cleaned after meals, a user needs to take the whole lunch box for cleaning, and thus, the lunch box is large and has the problem of troublesome cleaning; meanwhile, because the lunch box is internally provided with a plurality of electronic components, such as heating elements and batteries, the electronic components are easy to damage if the electronic components are frequently contacted with water.

Therefore, a new technical solution is needed to solve the above problems.

SUMMERY OF THE UTILITY MODEL

In order to solve the defects and shortcomings of the prior art, the utility model provides a portable heat-preservation lunch box, which heats and preserves heat of a tray through a heating element, so that the temperature of food can be kept constant, and the taste of the food can be guaranteed; meanwhile, the tray is detachably arranged in the containing cavity, so that the tray can be cleaned after meals, and the contact frequency of electronic elements such as batteries and heating elements with water can be effectively reduced; and, the heat preservation lunch-box overall structure of this application is comparatively simple ingenious, has the equipment convenience, the practicality is strong and do benefit to the advantage of producer control cost.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a portable heat preservation lunch box comprises a shell and a cover body, wherein the shell is provided with a cavity with an upward opening, and the cover body is arranged at the upper end of the cavity in an openable manner; the accommodating cavity is provided with a heating element, and the shell is provided with a battery for supplying power to be connected with the heating element; the battery is also electrically connected with an on-off switch for controlling the discharge of the battery; the accommodating cavity is detachably provided with a tray for accommodating food; and the battery is mounted on the outer peripheral side of the case.

As a preferred scheme, the heating element is a heating plate, and the heating plate is arranged at the bottom of the accommodating cavity.

As a preferred scheme, the shell is provided with a heat dissipation gap corresponding to the lower side of the heating plate, and the heat dissipation gap is provided with a heat dissipation hole communicated with the outside.

As a preferred scheme, the heating plate comprises an aluminum plate and a heating film attached to one side surface of the aluminum plate.

Preferably, the tray is provided with a partition board which divides the tray into a plurality of containing areas.

Preferably, a mounting position for mounting a battery is integrally extended from the peripheral side of the housing, and the battery is detachably connected to the mounting position.

As a preferable scheme, the mounting position has a mounting cavity with a leading opening, a buckle/buckle slot is arranged in the mounting cavity, and the battery has a clamping slot/buckle matched with the buckle/clamping slot.

Preferably, an avoidance port for charging the battery is arranged at the rear side of the mounting cavity.

As a preferable scheme, the cover body is detachably connected to the shell body through a buckle structure; and a foot pad is arranged on the lower end face of the shell.

As a preferred scheme, the shell and the cover body are both made of plastic.

Compared with the prior art, the utility model has obvious advantages and beneficial effects, concretely speaking, according to the technical scheme, the tray is heated and insulated mainly by the heating element, so that the temperature of the meal can be kept constant, and the taste of the meal is ensured; meanwhile, the tray is detachably arranged in the containing cavity, so that the tray can be cleaned after meals, and the contact frequency of electronic elements such as batteries and heating elements with water can be effectively reduced; the heat-preservation lunch box has the advantages of simple and ingenious overall structure, convenience in assembly, strong practicability and contribution to cost control of manufacturers;

secondly, the design of the detachable battery and the installation position thereof enables the battery to have the advantage of more convenient application.

To illustrate the structural features and functions of the present invention more clearly, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.

Drawings

FIG. 1 is a perspective view of an embodiment of the present invention;

FIG. 2 is a perspective view of another embodiment of the present invention;

FIG. 3 is an exploded view of an embodiment of the present invention;

FIG. 4 is a schematic cross-sectional view of an embodiment of the present invention;

fig. 5 is a schematic perspective view of a battery according to an embodiment of the present invention.

Description of the figures:

10. a housing; 11. a cavity; 12. a heating member; 13. a heat dissipation gap; 14. heat dissipation holes; 15. a mounting cavity; 151. a card slot; 152. avoiding the mouth; 16. a foot pad; 17. clamping the strip; 20. a cover body; 21. a buckling piece; 30. a battery; 31. opening and closing a switch; 32. buckling; 33. a charging port; 40. a tray; 41. and (4) a partition board.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiment is only a preferred embodiment of the present invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a single embodiment.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 to 5, a portable heat preservation lunch box according to an embodiment of the present invention includes a housing 10 and a cover 20, where the housing 10 has a cavity 11 with an upward opening, and the cover 20 is disposed at an upper end of the cavity 11 in an openable manner; the cavity 11 is provided with a heating element 12, and the shell 10 is provided with a battery 30 which is connected with the heating element 12 in a power supply manner; the battery 30 is also electrically connected with an on-off switch 31 for controlling the discharge of the battery 30; the cavity 11 is detachably provided with a tray 40 for holding food; and, the battery 30 is mounted to the right sidewall of the case 10.

Thus, the tray 40 is heated and insulated by the heating element 12, so that the temperature of the meal can be kept constant, and the taste of the meal is guaranteed; meanwhile, the tray 40 is detachably arranged in the accommodating cavity 11, so that the cleaning operation of the tray 40 after meals is facilitated, and the contact frequency of electronic elements such as batteries and heating elements with water can be effectively reduced; and, the heat preservation lunch-box overall structure of this application is comparatively simple ingenious, has the equipment convenience, the practicality is strong and do benefit to the advantage of producer control cost.

The tray 40 has a partition plate 41, and the partition plate 41 partitions the tray 40 into a first containing area and a second containing area.

Specifically, the heating element 12 is a heating plate, and the heating plate is disposed at the bottom of the cavity 11; the heating plate can be composed of an aluminum plate and a heating film adhered to one side surface of the aluminum plate, and has the advantage of uniform heating compared with a heating mode adopting a heating pipe.

Further, a heat dissipation gap 13 is disposed at the lower side of the housing 10 corresponding to the heating plate, and the heat dissipation gap 13 has a heat dissipation hole 14 communicating with the outside. Therefore, the lower side of the heating plate can be ensured to be in excessive contact with the shell 10, so that the shell 10 is overheated and deformed, and the use safety is improved; meanwhile, the heat dissipation gap is designed, so that the bottom of the shell 10 can be insulated, and the phenomenon that hands are scalded due to too hot hands when the hands contact the bottom of the shell 10 is avoided; of course, the problem that water (or soup) in the cavity 11 cannot be discharged from the heating plate (or from the heat dissipation holes 14) by penetrating into the heat dissipation gap 13 can be prevented.

Further, the method comprises the following steps: the peripheral side of the housing 10 integrally extends to form a mounting position for mounting the battery 30, and the battery 30 is detachably connected to the mounting position. When the lunch box is actually used, more than 2 batteries 30 can be configured for replacement, and when one battery 30 is used, other batteries 30 can be taken out for charging for later use, so that the whole lunch box does not need to be taken out for charging, and the problem that the batteries 30 cannot be charged in time can be solved.

Specifically, the mounting position has a mounting cavity 15 with a front opening, a clamping groove 151 is arranged in the mounting cavity 15, and the battery 30 has a buckle 32 matched with the clamping groove 151. Meanwhile, as a supplement, an avoidance port 152 adapted to the charging port 33 described below is provided on the rear side of the mounting cavity 15; the user can charge the battery 30 without detaching the battery 30, thereby meeting different charging scenes. Preferably, the on-off switch 31 is disposed at one side of the avoiding opening 152.

It should be added that the heating element 12 is connected with a positive plate and a negative plate through a lead to the installation cavity 15, and the battery 30 has a positive electrode and a negative electrode corresponding to the positive plate and the negative plate. And, the battery 30 has a charging port 33.

Further, the cover 20 is detachably connected to the housing 10 by a snap 32 structure; and a foot pad 16 is arranged on the lower end surface of the shell 10. For example, the cover 20 is rotatably connected with a fastening plate 21, the fastening plate 21 is provided with a fastening hole, and the housing 10 is provided with a fastening strip 17 adapted to the fastening hole.

Preferably, the housing 10 and the cover 20 are made of high temperature resistant plastic; the heat-insulation board is beneficial to further controlling the cost, and has the advantages of light weight, good heat-insulation effect, scald prevention and the like.

The utility model is mainly designed in such a way that the tray is heated and insulated by the heating element, so that the temperature of the meal can be kept constant, and the taste of the meal can be guaranteed; meanwhile, the tray is detachably arranged in the containing cavity, so that the tray is cleaned after meals; the heat-preservation lunch box has the advantages of simple and ingenious overall structure, convenience in assembly, strong practicability and contribution to cost control of manufacturers;

The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that any slight modifications, equivalent changes and modifications made by the technical spirit of the present invention to the above embodiments are all within the scope of the technical solution of the present invention.

Claims

1. A portable heat preservation lunch box comprises a shell and a cover body, wherein the shell is provided with a cavity with an upward opening, and the cover body is arranged at the upper end of the cavity in an openable manner; the method is characterized in that: the accommodating cavity is provided with a heating element, and the shell is provided with a battery which is used for supplying power and is connected with the heating element; the battery is also electrically connected with an on-off switch for controlling the discharge of the battery; the accommodating cavity is detachably provided with a tray for accommodating food; and the battery is mounted on the outer peripheral side of the case.

2. The portable heat-preservation lunch box according to claim 1, characterized in that: the heating element is a heating plate, and the heating plate is arranged at the bottom of the accommodating cavity.

3. The portable heat-preservation lunch box according to claim 2, characterized in that: the shell is provided with a heat dissipation gap corresponding to the lower side of the heating plate, and the heat dissipation gap is provided with a heat dissipation hole communicated with the outside.

4. The portable heat-preservation lunch box according to claim 2, characterized in that: the heating plate comprises an aluminum plate and a heating film adhered to one side of the aluminum plate.

5. The portable heat-preservation lunch box according to claim 1, characterized in that: the tray is provided with a partition board which divides the tray into a plurality of containing areas.

6. The portable heat-preservation lunch box according to claim 1, characterized in that: the integrative installation position that is used for installing the battery that extends in week side of casing, the battery detachable connect in the installation position.

7. The portable heat-preservation lunch box according to claim 6, characterized in that: the mounting position is provided with a mounting cavity with an advanced opening, a buckle/buckling groove is arranged in the mounting cavity, and the battery is provided with a clamping groove/buckle matched with the buckle/clamping groove.

8. The portable heat-preservation lunch box according to claim 7, characterized in that: the rear side of the mounting cavity is provided with an avoiding opening used for charging the battery.

9. The portable heat-preservation lunch box according to claim 1, characterized in that: the cover body is detachably connected to the shell through a buckle structure; and a foot pad is arranged on the lower end face of the shell.

10. A portable lunch box as claimed in any one of claims 1 to 9, wherein: the shell and the cover body are made of plastic.