CN212995063U - Electric heating lunch box - Google Patents

Abstract

The utility model provides an electric heating lunch box, include: the base module is internally provided with a heating cavity; the first cover body is arranged on the base module in a matched mode, and the heating cavity is sealed by the first cover body; the lunch box body is arranged in the heating cavity and comprises a second cover body; the support body presss from both sides and locates the base module with between the first lid, the support body is contradicted the second lid makes cutlery box body press from both sides and locates the support body with between the heating chamber bottom. When the lid lock was on the base module, press from both sides the support body tightly to contradict through the support body and compress tightly the cutlery box body, thereby make the lid of cutlery box body continuously receive the conflict of support body and compress tightly the effect. When the user carries the electric heat lunch-box to go on a journey, jolt in the distance rocks when taking place, and the cutlery box body still is in by the tight state of support body clamp, therefore the lid of cutlery box body can not receive to rock the influence and open, and the inside meal hot water of cutlery box body is difficult for leaking.

Description

Electric heating lunch box

Technical Field

The utility model relates to the technical field, concretely relates to electric heat lunch-box.

Background

The electric heating lunch box is used as common tableware, and the demand of users for the electric heating lunch box is increasing. At present, most electric heat lunch-box include the shell, and shell internally mounted has parts such as electrothermal generator, still is provided with the cutlery box body in the shell, eats the material and can place in the cutlery box body, and electrothermal generator is direct or indirect heats the cutlery box body, makes this internal edible material of cutlery box heated.

Thereby the whole electric heating lunch box can play the roles of heating and heat preservation. However, it has certain drawbacks: when the electric heating lunch box is used, the user is required to go out, such as working, going out for playing and the like. On the way of above-mentioned trip, often have jolt, perhaps the crowded factor of many people, lead to being located the inside cutlery box body of lunch-box jolt, rock inside the lunch-box for the cutlery box, lead to the cutlery box body to receive jolt influence and open in the electric heat lunch-box, inside meal, hot water take place to leak.

SUMMERY OF THE UTILITY MODEL

Therefore, the to-be-solved technical problem of the utility model lies in overcoming the easy defect of rocking and automatic opening because of jolting of the cutlery box body that lies in electric heat lunch-box among the prior art to an electric heat lunch-box is provided.

An electrically heated lunch box comprising:

the base module is internally provided with a heating cavity;

the first cover body is arranged on the base module in a matched mode, and the heating cavity is sealed by the first cover body;

the lunch box body is arranged in the heating cavity and comprises a second cover body;

the support body presss from both sides and locates the base module with between the first lid, the support body is contradicted the second lid makes cutlery box body press from both sides and locates the support body with between the heating chamber bottom.

Be equipped with boss portion on the second lid, boss portion orientation the support body protrusion, just boss portion with the support body laminating.

The second cover body is further provided with a holding part, and the frame body is provided with a matching hole for the holding part to pass through.

The frame body is provided with a plurality of steam holes, and a steaming layer is formed between the frame body and the first cover body.

The support body includes:

the longitudinal section of the bending part comprises at least two folded edges, and the bending part is attached to the opening edge of the base module and/or the opening edge of the first cover body.

The base module includes:

a first housing;

the second shell is embedded into the first shell, and an installation layer is formed between the second shell and the first shell;

and the heating body is arranged in the mounting layer.

The bottom of the second shell is provided with a mounting hole, and the heating body is attached and blocked to one side of the mounting hole, which faces the mounting layer.

And a second sealing ring is arranged between the second shell and the heating body.

The cutlery box body still includes:

the second cover body is closed at the opening end of the third shell body;

and the first sealing ring is clamped between the matching surfaces of the second cover body and the third shell body.

The bottom of the third shell is provided with a concave part which is sunken towards the inside of the lunch box body, and the concave part and the bottom of the heating cavity form a gap space.

The utility model discloses technical scheme has following advantage:

1. the utility model provides an electric heating lunch box, include: the base module is internally provided with a heating cavity; the first cover body is arranged on the base module in a matched mode, and the heating cavity is sealed by the first cover body; the lunch box body is arranged in the heating cavity and comprises a second cover body; the support body presss from both sides and locates the base module with between the first lid, the support body is contradicted the second lid makes cutlery box body press from both sides and locates the support body with between the heating chamber bottom.

When the lid lock was on the base module, press from both sides the support body tightly to contradict through the support body and compress tightly the cutlery box body, thereby make the lid of cutlery box body continuously receive the conflict of support body and compress tightly the effect. When the user carries the electric heat lunch-box to go on a journey, jolt in the distance rocks when taking place, and the cutlery box body still is in by the tight state of support body clamp, therefore the lid of cutlery box body can not receive to rock the influence and open, and the inside meal hot water of cutlery box body is difficult for leaking.

2. The utility model provides an electric heat lunch-box, be equipped with boss portion on the second lid, boss portion orientation the support body protrusion, just boss portion with the support body laminating.

The lower surface of the laminating support body that bellied boss portion can be better that makes progress, the lower surface of support body is the support body one side towards the cutlery box body promptly. Thereby improving the contact area of the frame body and the second cover body and improving the stability of the lunch box body clamped and butted by the frame body.

3. The utility model provides an electric heating lunch box, still be equipped with the handle on the second lid, be equipped with the confession on the support body the mating holes that the handle passes through.

The user can be conveniently snatched the second lid to the holding portion on the one hand, and on the other hand holding portion can carry on spacingly with the mating holes cooperation to the second lid to indirect carry on spacingly to the cutlery box body, further prevent that the cutlery box body from opening at the in-process that rocks.

4. The utility model provides an electric heating lunch box, be equipped with a plurality of steam-permeable holes on the support body, the support body with constitute between the first lid and evaporate the system layer.

The support body can also separate out the steaming layer above the support body as the steaming frame when realizing clamping and stabilizing the lunch box body, thereby preventing the food to be heated from steaming and heating on the steaming frame.

5. The utility model provides an electric heat lunch-box, the support body includes: the longitudinal section of the bending part comprises at least two folded edges, and the bending part is attached to the opening edge of the base module and/or the opening edge of the first cover body.

The kink has a plurality of hems, laminating lid and/or base module that can be more to improve the steadiness of support body, so that further improve the steadiness that the cutlery box body was placed in electric heat lunch-box inside.

6. The utility model provides an electric heat lunch-box, the base module includes: a first housing; the second shell is embedded into the first shell, and an installation layer is formed between the second shell and the first shell; and the heating body is arranged in the mounting layer.

The base module is of a double-layer structure consisting of a first shell and a second shell, and the installation layer is located between the first shell and the second shell and can play a role in heat preservation. Another needs media such as steam in the convenient heating process, therefore sets up the heat-generating body in the installation layer and can separate with the heating chamber, and circuit structure imparts steam pollution.

7. The utility model provides an electric heat lunch-box, second casing bottom is equipped with the mounting hole, the shutoff of heat-generating body laminating is in the mounting hole orientation one side of installation layer.

The mounting hole can make the heating medium such as water in the heating cavity directly contact with the heating body, and the heat transfer efficiency is improved.

8. The utility model provides an electric heating lunch box, be equipped with the second sealing washer between second casing and the heat-generating body.

The second sealing washer can prevent that steam from getting into the installation layer.

9. The utility model provides an electric heat lunch-box, the cutlery box body still includes: the second cover body is closed at the opening end of the third shell body; and the first sealing ring is clamped between the matching surfaces of the second cover body and the third shell body.

First sealing washer can play sealed effect when second lid and third casing cooperation, and is further, when the electric heat lunch-box was sealed, thereby first lid can compress tightly the first sealing washer of second lid further for first sealing washer can further take place deformation under the pressure effect, improves the sealing performance of cutlery box body, prevents that the inside food of cutlery box body from leaking.

10. The utility model provides an electric heating lunch box, third casing bottom is equipped with the concave part, the concave part to the cutlery box body is inside sunken, the concave part with heating chamber bottom constitutes clearance space.

When heating media such as water are poured into the heating cavity, more heating media can be reserved in the gap space, and therefore the heating efficiency of the lunch box body is improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a sectional view of the internal structure of the electric heating lunch box of the present invention;

FIG. 2 is an exploded view showing the structure of an electric-heating lunch box;

fig. 3 is an enlarged view of a fitting structure of the first cover, the frame, and the base module shown at I in fig. 1.

Description of reference numerals:

1. a base module; 11. a first housing; 12. a second housing; 121. mounting holes; 13. mounting a layer; 2. a first cover body; 21. a buckle assembly; 3. a heating cavity; 31. steaming the layer; 4. a lunch box body; 41. a second cover body; 411. a boss portion; 412. a grip portion; 42. a third housing; 421. a recess; 43. a first seal ring; 5. a heating element; 51. a second seal ring; 6. a frame body; 61. a mating hole; 62. a vapor vent; 63. a bending part.

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 embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.

Example 1

The utility model provides an electric heating lunch box, as shown in figure 1 and figure 2, include: the base module 1 is internally provided with a heating cavity 3; the first cover body 2 is arranged on the base module 1 in a matching way, and the heating cavity 3 is sealed by the first cover body 2; the lunch box body 4 is arranged in the heating cavity 3, and the lunch box body 4 comprises a second cover body 41; support body 6, press from both sides and locate base module 1 with between the first lid 2, support body 6 contradicts second lid 41 makes cutlery box body 4 press from both sides and locate support body 6 with between the heating chamber 3 bottom. When the lid lock was on base module 1, press from both sides support body 6 tightly to contradict through support body 6 and compress tightly cutlery box body 4, thereby make the lid of cutlery box body 4 continuously receive the conflict of support body 6 and compress tightly the effect. When the user carries the electric heat lunch-box to go on a journey, jolt in the distance rocks when taking place, and cutlery box body 4 still is in by support body 6 tight state of clamp, therefore the lid of cutlery box body 4 can not influenced by rocking and open, and the inside meal hot water of cutlery box body 4 is difficult for leaking.

The shape of the second lid 41 is not particularly limited, and in addition to the above-described embodiments, as a further limited embodiment, the second lid 41 is circular as shown in fig. 2. As an alternative embodiment, the second cover 41 has a polygonal shape such as a rhombus, a pentagon, and a hexagon. As another alternative, the second cover 41 has an oval shape.

The structure of the second cover 41 is not particularly limited, and in addition to the above embodiments, as a further limited embodiment, as shown in fig. 1 and 2, a boss portion 411 is provided on the second cover 41, the boss portion 411 protrudes toward the frame body 6, and the boss portion 411 is attached to the frame body 6. The convex boss part 411 that makes progress can be better the lower surface of laminating support body 6, and support body 6's lower surface is support body 6 one side towards cutlery box body 4 promptly. Thereby improving the contact area between the frame body 6 and the second cover body 41 and improving the stability of the lunch box body 4 clamped and abutted by the frame body 6. As an alternative embodiment, the top of the second cover 41 is a circular arc surface or a plane surface.

In order to further improve the stability of the support between the second cover 41 and the frame body 6, on the basis of the above-mentioned embodiment, as a further limited embodiment, a plurality of support bosses may be provided between the second cover 41 and the frame body 6, thereby improving the contact area and the stress range between the second cover 41 and the frame body 6. The supporting bosses may be disposed on the second cover 41 and the frame body 6, or may be disposed on one of the second cover 41 and the frame body 6.

As a more limited embodiment, as shown in fig. 1, in addition to the above-described embodiment, the second cover 41 is further provided with a grip portion 412, and the frame body 6 is provided with an engagement hole 61 through which the grip portion 412 passes. The holding part 412 can facilitate the user to grasp the second cover 41, and on the other hand, the holding part 412 can be matched with the matching hole 61 to limit the second cover 41, so as to indirectly limit the lunch box body 4, and further prevent the lunch box body 4 from being opened during the shaking process. As an alternative embodiment, the grip 412 may be omitted.

The specific shape of the grip portion 412 is not limited, and as shown in fig. 1, the grip portion 412 is a cylindrical body. As an alternative embodiment, the grip 412 is oval, prismatic.

The structure of the frame body 6 is not particularly limited, as shown in fig. 2, a plurality of steam vents 62 are disposed on the frame body 6, and a steaming layer 31 is formed between the frame body 6 and the first cover body 2. The support body 6 can also be used as a steaming frame when realizing clamping and stabilizing the lunch box body 4, and the steaming layer 31 is separated above the support body 6, so that the food to be heated can be prevented from being steamed and heated on the steaming frame. As an alternative embodiment, frame body 6 does not have steam vents 62 therein.

The matching structure of the frame body 6 and the first cover body 2 and/or the base module 1 is not particularly limited, and on the basis of the above embodiments, as a further limited embodiment, as shown in fig. 1 and 3, the frame body 6 includes: a bending part 63, a longitudinal section of the bending part 63 includes at least two folded edges, the bending part 63 is attached to the opening edge of the base module 1, and/or attached to the opening edge of the first cover 2. The bending part 63 has a plurality of folding edges, so that more laminating covers and/or base modules 1 can be provided, the stability of the frame body 6 is improved, and the stability of the electric heating lunch box body 4 in the electric heating lunch box is further improved. In this embodiment, the bending portion 63 has two folded edges, so as to form a fit with the inner surface of the base module 1 facing the heating cavity 3 and the folded edge at the opening end of the base module 1. Alternatively, as shown in fig. 3, the bent portion 63 has a plurality of folded edges forming a U-shaped structure to wrap the folded edges at the open end of the base module 1 to form a wrapping fit. As an alternative embodiment, the bent portion 63 may have more folds so as to wrap the open end of the second cover 41 and the open end of the base module 1 at the same time. As a further alternative, the frame body 6 does not have a fold 63 and is supported flat on the base module 1.

The connecting structure between the base module 1 and the first cover 2 is not particularly limited, and as shown in fig. 1 and 3, the open end of the second housing 12 has a flanged structure turned outwards, and the flanged structure is supported and fitted on the open end face of the first housing 11. The frame body 6 wraps the flanging of the second shell 12 through the bending part 63, and wraps the gap formed between the first shell 11 and the second shell 12 in a matching manner. The open end of first lid 2 is placed in kink 63 department of support body 6, the side of first lid 2 is provided with buckle subassembly 21, buckle rotation connection in the side of first lid 2 of buckle subassembly 21, buckle lock is on the protruding structure of first casing 11 outer wall through rotating the buckle, make buckle subassembly 21 form the cooperation, thereby make first lid 2 cooperation on base module 1, it is further, first lid 2 presss from both sides support body 6 with base module 1 and presss from both sides the fastening and fixes, press from both sides first casing 11 and second casing 12 tightly simultaneously. And the lunch box body 4 in the heating cavity 3 is pressed and fixed in the heating cavity 3.

The specific structure of the base module 1 is not limited, and on the basis of the above embodiments, as a further limited embodiment, as shown in fig. 1, the base module 1 includes: a first housing 11; a second housing 12 embedded in the first housing 11, wherein an installation layer 13 is formed between the second housing 12 and the first housing 11; and a heating element 5 provided in the mounting layer 13. The base module 1 has a double-layer structure formed by a first shell 11 and a second shell 12, and the installation layer 13 is located between the first shell 11 and the second shell 12 and can play a role in heat preservation. Another convenient heating process needs media such as water vapor, so the heating body 5 arranged on the mounting layer 13 can be separated from the heating cavity 3, and the circuit structure is free from water vapor pollution. As an alternative embodiment, the base module 1 is a single-layer structure and has only the first housing 11, the lunch box body 4 is directly placed on the first housing 11, and the heating cavity 3 is formed by the first housing 11 and the first cover 2.

Further, in addition to the above-described embodiment, as a more limited embodiment, as shown in fig. 1, a mounting hole 121 is provided in the bottom of the second case 12, and the heating element 5 is attached and sealed to a side of the mounting hole 121 facing the mounting layer 13. The mounting hole 121 enables the heating medium such as water in the heating chamber 3 to directly contact the heating body 5, thereby improving the heat transfer efficiency. Alternatively, the mounting hole 121 at the bottom of the second casing 12 is omitted, and the heat generating body 5 is attached to the bottom of the second casing 12 and transfers heat into the heating chamber 3 through the second casing 12.

The sealing structure between the heating element 5 and the second case 12 is not particularly limited, and in addition to the above-described embodiments, as a further limited embodiment, as shown in fig. 1, a second seal ring 51 is provided between the second case 12 and the heating element 5. The second seal ring 51 prevents moisture from entering the mounting layer 13. As an alternative embodiment, the second seal 51 is removably attached to the second housing 12. As another alternative embodiment, the second seal ring 51 is omitted and the second case 12 is brought into direct contact with the heat-generating body 5.

The sealing structure of the lunch box body 4 is not particularly limited, and on the basis of the above embodiments, as a further limited embodiment, as shown in fig. 1 and 3, the lunch box body 4 further includes: a third case 42, the second cover 41 being closed at an open end of the third case 42; the first seal ring 43 is interposed between mating surfaces of the second cover 41 and the third housing 42. First sealing washer 43 can play sealed effect when second lid 41 and third casing 42 cooperate, and is further, when the electric heat lunch-box is sealed, thereby first lid 2 can compress tightly second lid 41 further compresses tightly first sealing washer 43 for first sealing washer 43 can further take place deformation under the pressure effect, improves cutlery box body 4's sealing performance, prevents that the inside food of cutlery box body 4 from leaking. As an alternative embodiment, as shown in fig. 3, the first seal ring 43 is detachably attached to the opening of the third housing 42. As another alternative, the first seal ring 43 is omitted, and the third housing 42 and the second lid 41 are directly fitted in contact.

In order to further improve the heating efficiency of the lunch box body 4, as a further limited embodiment, as shown in fig. 1, a concave portion 421 is provided at the bottom of the third housing 42, the concave portion 421 is recessed into the lunch box body 4, and the concave portion 421 and the bottom of the heating cavity 3 form a gap space. When heating media such as water are poured into the heating cavity 3, more heating media can be reserved in the gap space, and therefore the heating efficiency of the lunch box body 4 is improved. As an alternative embodiment, the bottom surface of the third housing 42 is a flat surface that conforms to the bottom of the heating chamber 3.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.

Claims (10)

1. An electric heat lunch-box, its characterized in that includes:

the base module (1) is internally provided with a heating cavity (3);

the first cover body (2) is installed on the base module (1) in a matching mode, and the heating cavity (3) is sealed by the first cover body (2);

the lunch box body (4) is arranged in the heating cavity (3), and the lunch box body (4) comprises a second cover body (41);

the support body (6) is clamped between the base module (1) and the first cover body (2), and the support body (6) is abutted against the second cover body (41), so that the lunch box body (4) is clamped between the support body (6) and the bottom of the heating cavity (3).

2. The electric heating lunch box according to claim 1, wherein a boss portion (411) is provided on the second cover body (41), the boss portion (411) protrudes toward the frame body (6), and the boss portion (411) is attached to the frame body (6).

3. The electric heating lunch box according to claim 1 or 2, wherein the second cover body (41) is further provided with a holding part (412), and the frame body (6) is provided with a fitting hole (61) for the holding part (412) to pass through.

4. The electric heating lunch box according to claim 1, characterized in that a plurality of steam-permeable holes (62) are arranged on the frame body (6), and a steaming layer (31) is formed between the frame body (6) and the first cover body (2).

5. The electrothermal lunch box according to claim 1, wherein the frame body (6) comprises:

a bending part (63), wherein the longitudinal section of the bending part (63) comprises at least two folded edges, and the bending part (63) is attached to the opening edge of the base module (1) and/or the opening edge of the first cover body (2).

6. An electrically heated lunch box according to any one of claims 1-2,4-5, characterised in that the base module (1) comprises:

a first housing (11);

a second housing (12) embedded in the first housing (11), wherein a mounting layer (13) is formed between the second housing (12) and the first housing (11);

and a heating element (5) provided in the mounting layer (13).

7. The electric heating lunch box according to claim 6, wherein a mounting hole (122) is formed in the bottom of the second casing (12), and the heating element (5) is attached and sealed to one side of the mounting hole (122) facing the mounting layer (13).

8. The electric-heating lunch box according to claim 7, characterized in that a second seal ring (51) is provided between the second case (12) and the heating element (5).

9. An electrothermal canteen according to any one of claims 1-2,4-5,7-8, wherein the canteen body (4) further comprises:

a third case (42), the second cover (41) being closed at an open end of the third case (42);

and a first seal ring (43) interposed between mating surfaces of the second cover (41) and the third housing (42).

10. The electric heating lunch box according to claim 9, wherein the bottom of the third housing (42) is provided with a concave part (421), the concave part (421) is concave towards the inside of the lunch box body (4), and the concave part (421) and the bottom of the heating cavity (3) form a gap space.

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