CN220536483U - Self-heating can - Google Patents

Abstract

The utility model discloses a self-heating type can, which comprises a can body, wherein the can body comprises an inner can body and an outer can body, a sealing cover is arranged on the top surface of the inner can body, a box cover is buckled on the top of the outer can body, a first cavity for placing a self-heating medicine bag is formed between the inner can body and the outer can body, the side wall of the outer can body is double-layer, a second cavity for placing liquid and being sealed is formed between the inner layer and the outer layer, an elastic pressing part is arranged on the side surface of the outer layer, a diaphragm is arranged on the side wall of the inner layer, a puncture part for puncturing the diaphragm is arranged on the inner side of the elastic pressing part, a gap is formed between the sharp end of the puncture part and the diaphragm, a plurality of second subcavities which are not communicated with each other are separated into by a second partition board, and each second subcavity corresponds to one elastic pressing part. The utility model can better control the adding amount of water, avoid the instant release of huge heat when a large amount of water is directly contacted with the self-heating medicine, reduce the intensity of reaction and avoid explosion.

Description

Self-heating can

Technical Field

The utility model relates to the technical field of packaging cans, in particular to a self-heating can.

Background

The canned food has the characteristics of easy storage and convenient transportation, and is a product frequently used in daily life. Along with the continuous improvement of the living standard of people, the demands of people on can products are more and more diversified. In outdoor hiking or mountain climbing and other field activities, people usually eat dry grains or other convenient foods due to inconvenient carrying of heat sources, and can foods are also directly eaten. In order to solve the problem, a person skilled in the art designs a plurality of self-heating canned foods, and the requirements of people for eating hot foods in the wild can be met to a certain extent. The existing cans adopt quicklime to react with water to generate heat to provide a heat source, and the water is completely added into the quicklime, so that the reaction is severe, the operation is improper, the explosion is easy to cause, the cans are relatively sealed, and the self-heating mode is not suitable for can products.

Disclosure of Invention

The utility model aims to provide a self-heating type can box which is used for better controlling the adding amount of water, avoiding the instant release of huge heat when a large amount of water is directly contacted with self-heating medicines, reducing the intensity of reaction and avoiding explosion.

In order to solve the technical problems, the utility model adopts the following scheme:

the utility model provides a self-heating type can, includes the can body, the can body is including the interior jar body that is used for placing food and the outer jar body that is located the interior jar body outside, interior jar body top surface is equipped with sealed lid, outer jar body top is detained and is equipped with the lid, sealed lid is located the lid below, be formed with the first cavity that is used for placing self-heating medicine bag between interior jar body and the outer jar body, outer jar side wall is double-deck setting, be formed with between inlayer and the skin and be used for placing liquid and confined second cavity, be equipped with the closing plate between inlayer top and the inner tank body outer wall, the closing plate top surface is equipped with the gas pocket with first cavity switch-on, the outer side is equipped with elasticity pressing part, the inlayer lateral wall is equipped with the diaphragm, elasticity pressing part inboard is equipped with the puncture portion that is used for impaling the diaphragm, have the clearance between the sharp end of puncture portion and the diaphragm, separate into a plurality of second sub-cavities of each second sub-cavity that are non-conductive through the second baffle, every second corresponds an elasticity pressing part.

By adopting the technical scheme, the self-heating medicine bag and the liquid are respectively placed in the first cavity and the second cavity, the second cavity is completely sealed, liquid flow is prevented from leaking, when the can is required to be heated, the box cover is taken down, then the finger presses the elastic pressing part according to one pressure, the puncture part moves towards the direction of the inner tank body, the sharp end of the puncture part punctures the diaphragm, the liquid in the second sub-cavity enters the first cavity and reacts with the self-heating medicine in the self-heating medicine bag, heat is generated to heat can food in the inner tank body, the second cavity is divided into a plurality of second sub-cavities through the second partition board, the liquid quantity in the first cavity is well controlled by pressing the elastic pressing parts corresponding to different second sub-cavities, so that the instant release of huge heat between all the liquid in the second cavity and the self-heating medicine bag is effectively avoided, the severe degree of reaction is reduced, and explosion is avoided.

Optionally, the elastic pressing part is positioned below the outer layer and adjacent to the bottom, and the elastic pressing part is made of fluororubber.

Optionally, a sealing column corresponding to the air hole is arranged on the bottom surface of the box cover, and the size of the sealing column is matched with the size of the air hole.

Optionally, the puncture part and the elastic pressing part are integrally formed, the puncture part is conical, and the sharp end of the puncture part faces the diaphragm.

Optionally, the puncture part is internally embedded with reinforcing rods, and the reinforcing rods are distributed along the direction of the puncture part penetrating the diaphragm.

Optionally, the sharp end of the puncture part is sleeved with an adaptive metal conical sleeve.

Optionally, a protection plate adhered to the outer layer is arranged on the outer side of the elastic pressing part, and the protection plate completely covers the elastic pressing part.

Optionally, a gap is formed between the inner side of the protection plate and the elastic pressing part.

Optionally, the protection plate is an arc plate protruding outwards.

Optionally, the first cavity is divided into a plurality of first subchambers corresponding to the second subchambers by a first baffle plate, each first subchamber corresponds to a diaphragm, and a through hole communicated with the first subchamber is formed in the lower end of the first baffle plate.

The utility model has the beneficial effects that:

1. according to the utility model, the second cavity is divided into the plurality of second subchambers by the second partition plate, and the elastic pressing parts corresponding to different second subchambers are pressed, so that the liquid quantity entering the first cavity can be well controlled, and therefore, the instant release of huge heat when all the liquid in the second cavity is contacted with the self-heating medicine bag can be effectively avoided, the reaction intensity is reduced, and explosion is avoided.

2. The protection board can avoid the external article or artificial carelessly squeeze to the elasticity pressing part when not eating of can, causes the risk of can self-heating when not eating.

3. The first cavity is divided into a plurality of first subchambers through the first partition plate, the through holes at the lower end of the first partition plate can be communicated with each first cavity, and after liquid in one second subchamber enters into one first subchamber, the liquid can flow into each first subchamber, so that a certain amount of water in each first subchamber can react with quicklime in the self-heating medicine bag, and the inner tank can be uniformly heated.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of the transverse cross-section structure of the present utility model;

FIG. 3 is a schematic view of the structure of FIG. 2 without a sealing plate;

FIG. 4 is an enlarged view of a portion of FIG. 1 at A;

fig. 5 is a sectional view of the puncture section.

Reference numerals: 1-inner tank, 2-outer tank, 201-inner layer, 202-outer layer, 3-lid, 4-sealing cover, 5-sealing plate, 6-sealing column, 7-first cavity, 8-second subchamber, 9-first baffle, 10-through hole, 11-diaphragm, 12-puncture part, 13-elastic pressing part, 14-protection board, 15-bottom plate, 16-second cavity, 17-self-heating medicine bag, 18-reinforcing rod, 19-sharp end, 20-metal taper sleeve, 21-second baffle, 22-air hole, 23-first subchamber.

Detailed Description

The present utility model will be described in further detail with reference to examples and drawings, but embodiments of the present utility model are not limited thereto.

In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "longitudinal", "lateral", "horizontal", "inner", "outer", "front", "rear", "top", "bottom", etc., are directions or positional relationships based on those shown in the drawings, or are directions or positional relationships conventionally put in use of the inventive product, are merely for convenience of describing the present utility model and for simplifying the description, and are not indicative or implying that the apparatus or element to be referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be construed as limiting the present utility model.

In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "configured," "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; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Example 1

The utility model provides a self-heating type can, includes the can body, the can body is including being used for placing the inner tank body 1 of food and being located the outer jar body 2 in the inner tank body 1 outside, inner tank body 1 top surface is equipped with sealed lid 4, outer jar body 2 top knot is equipped with lid 3, sealed lid 4 is located lid 3 below, be formed with the first cavity 7 that is used for placing self-heating medicine bag 17 between inner tank body 1 and the outer jar body 2, outer jar body 2 lateral wall is double-deck setting, be formed with between inlayer 201 and the skin 202 and be used for placing liquid and confined second cavity 16, be equipped with closing plate 5 between inlayer 201 top and the inner tank body 1 outer wall, closing plate 5 top surface is equipped with the gas pocket 22 that is put through with first cavity 7, the skin 202 side is equipped with elasticity pressing part 13, the inlayer 201 lateral wall is equipped with diaphragm 11, elasticity pressing part 13 inboard is equipped with the puncture portion 12 that is used for impaling diaphragm 11, have the clearance between sharp end 19 and the diaphragm 11 of puncture portion 12, separate into a plurality of second sub-cavities 8 that are not mutually conducted through second baffle 21 in the second cavity 16, every second sub-cavity 8 corresponds one elasticity 13.

In this embodiment, as shown in fig. 1-4, the can body is composed of an inner can body 1 and an outer can body 2, the inner can body 1 is located inside the outer can body 2, the inner can body 1 and the outer can body 2 are mounted on a bottom plate 15, the bottom of the inner can body 1, the inner bottom wall of the outer can body 2 and the bottom plate 15 are integrally formed, a sealing cover 4 is arranged at the top of the inner can body 1, the sealing cover 4 adopts the same tearing and pulling opening structure on the existing can or pop can, a first cavity 7 is formed between the outer side wall of the inner can body 1 and an inner layer 201 of the outer can body 2, an autothermal medicine bag 17 is placed in the first cavity 7, quicklime is filled in the autothermal medicine bag 17, a cloth bag with a fine mesh structure is adopted for facilitating the contact reaction of liquid and quicklime, a sealing plate 5 is arranged at the top of the first cavity 7, the sealing plate 5 is fixedly connected with the inner layer 201 and the inner can body 1 at both ends respectively, an air hole 22 is arranged on the sealing plate 5, the secondary cavity 16 is convenient for the later-stage air outlet, the secondary cavity 16 is completely sealed, the leakage of liquid flow is avoided, tap water is adopted for the liquid, when the can is required to be heated, the box cover 3 is taken down, then the finger presses an elastic pressing part 13, the size of the elastic pressing part 13 is matched with the size of the thumb of an adult, as the elastic pressing part 13 has certain elasticity, the puncture part 12 moves towards the direction of the inner can body 1 after pressing, the sharp end 19 of the puncture part 12 punctures the diaphragm 11, the diaphragm 11 adopts the existing polyethylene diaphragm 11, the diaphragm is very thin and is convenient for puncture, meanwhile, the waterproof performance is better, the position of the inner layer 201 for installing the diaphragm 11 is provided with a pore channel, the diaphragm 11 completely covers the pore channel, the diaphragm 11 can be fixed on the outer wall of the inner layer 201 in a hot melt bonding or glue bonding mode, the diaphragm 11 is mainly blocked from entering the primary cavity 7 in advance, after the elastic pressing part 13 is pressed, the fingers are loosened, the elastic pressing part 13 is reset, the liquid in the second sub-cavity 8 enters the first cavity 7 after the diaphragm 11 is pierced and reacts with the self-heating medicine in the self-heating medicine bag 17, heat is generated to heat can food in the inner tank 1, generated steam is discharged from the air hole 22 and used for pressure relief, the second cavity 16 is divided into a plurality of second sub-cavities 8 through the second partition plate 21, the liquid amount entering the first cavity 7 can be well controlled by pressing the elastic pressing parts 13 corresponding to different second sub-cavities 8, when more heat is needed, the plurality of elastic pressing parts 13 can be pressed, more liquid enters the first cavity 7, so that the situation that all liquid in the second cavity 16 is in contact with the self-heating medicine bag 17 and releases huge heat instantly can be effectively avoided, the severe degree of reaction is reduced, and explosion is avoided.

Example 2

Further, the elastic pressing portion 13 is located below the outer layer 202 and adjacent to the bottom, and the elastic pressing portion 13 is made of fluororubber. In this embodiment, as shown in fig. 4, the elastic pressing portion 13 is disposed below the outer layer 202 and near the bottom, so that the corresponding diaphragm 11 and the position below the inner layer 201 and near the bottom are located, so that after the diaphragm 11 is pierced, the liquid in the second subchamber 8 can flow into the first chamber 7 substantially entirely, the elastic pressing portion 13 is made of fluororubber and can withstand a relatively high temperature (300 ℃), and the elastic pressing portion 13 is connected to the outer layer 202 by vulcanization.

Example 3

Further, a sealing post 6 corresponding to the air hole 22 is arranged on the bottom surface of the box cover 3, and the size of the sealing post 6 is matched with the size of the air hole 22. On the basis of embodiment 2, as shown in fig. 1 and 2, in this embodiment, in order to avoid that quicklime in the self-heating medicine bag 17 falls out from the air hole 22 when the can is inverted in the transportation process, a sealing column 6 is integrally formed on the bottom surface of the box cover 3, the sealing column 6 can be inserted into the air hole 22, and after the box cover 3 is buckled on the outer tank body 2, the sealing column 6 forms a blocking effect on the air hole 22, so that quicklime falling out can be effectively avoided, and the heating value after the quicklime and water are mixed in the later period is ensured.

Example 4

Further, the piercing portion 12 is integrally formed with the elastic pressing portion 13, the piercing portion 12 is tapered, and the sharp end 19 thereof faces the septum 11.

Further, the reinforcing rods 18 are embedded in the puncture part 12, and the reinforcing rods 18 are distributed along the direction in which the puncture part 12 punctures the diaphragm 11.

Further, the sharp end 19 of the piercing portion 12 is sleeved with an adapted metal conical sleeve 20.

On the basis of embodiment 3, in this embodiment, as shown in fig. 4 and 5, the puncture part 12 is integrally formed with the elastic pressing part 13, the sharp end 19 of the puncture part 12 faces the diaphragm 11 on the inner layer 201, a safe distance is provided between the sharp end 19 and the diaphragm 11, so that the sharp part is prevented from piercing the diaphragm 11 in advance, in order to improve the hardness of the puncture part 12, a transverse reinforcing rod 18 is embedded in the puncture part 12, so that the puncture part 12 has enough strength when the diaphragm 11 is pierced, deformation is not easy to occur, in order to further ensure the success rate of piercing the diaphragm 11 by the puncture part 12, a metal taper sleeve 20 is arranged on the sharp sleeve of the puncture part 12, the inner wall of the metal taper sleeve 20 is adhered on the outer wall of the puncture part 12, the metal taper sleeve 20 is made of aluminum alloy material, and the metal taper sleeve 20 makes the puncture part 12 easier to pierce the diaphragm 11.

Example 5

Further, a protective plate 14 adhered to the outer layer 202 is provided outside the elastic pressing portion 13, and the protective plate 14 completely covers the elastic pressing portion 13.

Further, a gap is provided between the inner side of the protection plate 14 and the elastic pressing portion 13.

Further, the protection plate 14 is an outwardly convex arc plate.

On the basis of embodiment 4, in this embodiment, as shown in fig. 4, in order to avoid that the elastic pressing portion 13 is accidentally pressed by people or during the collision process, a protecting plate 14 is arranged on the outer side of the elastic pressing portion 13, the protecting plate 14 is adhered to the outer layer 202, the elastic pressing portion 13 can be completely sealed after the protecting plate 14 is installed, the protecting plate 14 is a hard plate, and has a certain compressive strength, when the elastic pressing portion 13 needs to be pressed, only the protecting plate 14 needs to be torn off, and an outwards-protruding arc-shaped plate adopted by the protecting plate 14 can be torn off, so that a certain safety displacement exists between the protecting plate 14 and the elastic pressing portion 13, even if the protecting plate 14 is accidentally pressed, the protecting plate 14 is not immediately pressed to the elastic pressing portion 13, and the risk that a can is automatically heated when the can is not consumed due to the fact that foreign objects or people are accidentally pressed to the elastic pressing portion 13 can be avoided.

Example 6

Further, the first cavity 7 is divided into a plurality of first sub-cavities 23 corresponding to the second sub-cavities 8 by a first partition plate 9, each first sub-cavity 23 corresponds to one diaphragm 11, and a through hole 10 communicated with the first sub-cavity 23 is formed in the lower end of the first partition plate 9.

Based on embodiment 5, in this embodiment, as shown in fig. 3, the first cavity 7 is divided into a plurality of first sub-cavities 23 corresponding to the second sub-cavities 8 by the first partition plate 9, including a corresponding relationship between the number and the position, each first sub-cavity 23 is internally provided with an autothermal medicine bag 17, the position of the side surface of the first partition plate 9 adjacent to the bottom surface of the inner tank 1 is provided with a through hole 10, so that the first sub-cavities 23 are mutually connected, when the liquid in one second sub-cavity 8 enters one first sub-cavity 23, the liquid can flow into each first sub-cavity 23, so that a certain amount of water in each first sub-cavity 23 can react with the quicklime in the autothermal medicine bag 17, and the inner tank 1 can be heated uniformly.

The working principle of the utility model is as follows: when the food in the can body needs to be heated, the box cover 3 is firstly taken down from the outer can body 2, then one or more protecting plates 14 on the outer can body 2 are torn off, one or more elastic pressing parts 13 are leaked out, one elastic pressing part 13 is pressed by fingers, the puncture part 12 on the inner side of the elastic pressing part 13 punctures the diaphragm 11, tap water in the second subchamber 8 corresponding to the pressed elastic pressing part 13 flows into the first subchamber 23 through the puncture hole on the diaphragm 11, and flows into each first subchamber 23 through the through holes 10 on the lower end of the first partition plate 9, and as the liquid in the second subchamber 8 is relatively less, the quicklime in the first subchamber 23 reacts extremely severely, the generated vapor is discharged from the air hole 22, the purpose of pressure relief is achieved, the liquid quantity entering the first subchamber 7 can be better controlled, and when more heat is needed, more elastic pressing parts 13 can enter the first subchamber 7, so that the liquid can be prevented from contacting the first subchamber 17, and the explosive heat is prevented from being released greatly, and the explosion of the first subchamber 17 can be prevented from being completely and instantaneously released.

The foregoing description of the preferred embodiment of the utility model is not intended to limit the utility model in any way, but rather to cover all modifications, equivalents, improvements and alternatives falling within the spirit and principles of the utility model.

Claims (10)

1. The utility model provides a self-heating type can, which comprises a can body and is characterized in that, can body is including being used for placing interior jar body (1) of food and being located outer jar body (2) in the interior jar body (1) outside, interior jar body (1) top surface is equipped with sealed lid (4), lid (3) are detained at outer jar body (2) top, sealed lid (4) are located lid (3) below, be formed with first cavity (7) that are used for placing self-heating medicine bag (17) between interior jar body (1) and outer jar body (2), outer jar body (2) lateral wall is double-deck setting, be formed with between inlayer (201) and skin (202) and be used for placing liquid and confined second cavity (16), be equipped with closing plate (5) between inlayer (201) top and inner jar body (1) outer wall, closing plate (5) top surface is equipped with gas pocket (22) with first cavity (7) switch-on, skin (202) side is equipped with elasticity pressing portion (13), inlayer (201) lateral wall is equipped with diaphragm (11), elasticity pressing portion (13) inboard is equipped with and is used for puncture diaphragm (11) 12), puncture portion (12) and second cavity (12) have and second cavity (8) that separate between the second cavity (8) are passed through mutually between the second cavity (19), each second subcavity (8) corresponds to an elastic pressing part (13).

2. Self-heating can according to claim 1, wherein the elastic pressing portion (13) is located below the outer layer (202) adjacent to the bottom, and the elastic pressing portion (13) is made of fluororubber.

3. Self-heating can according to claim 1, characterized in that the bottom of the lid (3) is provided with sealing posts (6) corresponding to the air holes (22), the dimensions of the sealing posts (6) being adapted to the dimensions of the air holes (22).

4. Self-heating can, according to claim 1, characterized in that the piercing portion (12) is integrally formed with the elastic pressing portion (13), the piercing portion (12) being tapered with its sharp end (19) facing the membrane (11).

5. Self-heating can, according to claim 4, characterized in that the piercing portion (12) has embedded inside it reinforcing bars (18), the reinforcing bars (18) being distributed along the direction of piercing the membrane (11) by the piercing portion (12).

6. Self-heating can, according to claim 5, characterized in that the sharp end (19) of the piercing portion (12) is sleeved with an adapted metal conical sleeve (20).

7. Self-heating can, according to claim 1, characterized in that the outside of the elastic pressing portion (13) is provided with a protection plate (14) glued to the outer layer (202), the protection plate (14) completely covering the elastic pressing portion (13).

8. Self-heating can, according to claim 7, characterized in that a gap is provided between the inner side of the protective plate (14) and the elastic pressing portion (13).

9. A self-heating can according to claim 8, wherein the protective plate (14) is an outwardly projecting arcuate plate.

10. Self-heating type can according to claim 1, wherein the first cavity (7) is divided into a plurality of first subchambers (23) corresponding to the second subchambers (8) by a first partition plate (9), each first subchamber (23) corresponds to one diaphragm (11), and a through hole (10) communicated with the first subchamber (23) is formed in the lower end of the first partition plate (9).