Self-heating meal box

Abstract

The utility model relates to a self-heating lunch box which comprises a main base body in a sleeve shape, the bottom of the main base body extends inwards in the vertical direction to be provided with a water storage cavity, and an end opening of the water storage cavity extends towards the outer side of the main base body to be provided with a flange part; the end cover is detachably arranged at the top of the main base body in a sealing manner; the thin film is hermetically arranged on the end face of the port of the water storage cavity; the bottom cover is hollow, the top of the bottom cover is open, and the open end of the bottom cover is rotationally connected with the bottom end of the main base body; the heating bag is arranged in the bottom cover; the operating piece is rotationally arranged in the bottom cover, the position of the operating piece corresponds to that of the flange part, and the operating piece is provided with a puncturing part; the bottom cover rotates relative to the main base body, so that the operation piece abuts against the flange part and rotates, and the piercing part can pierce the film. According to the self-heating lunch box, the thin film is punctured by rotating the bottom cover, so that water flows into the bottom cover to react with the heating bag to finish heating, and the operation is very rapid and convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of catering supplies, in particular to a self-heating lunch box. Background Art

[0002] In daily life, especially when there is traffic jam on the highway during long holidays, self-heating lunch boxes are usually used for convenient eating to heat rice and pre-prepared dishes. Self-heating lunch boxes on the market usually include packaging boxes, serving boxes, end covers, rice bags, heating bags and water bags. In actual use, first pour the rice into the serving box and add water, then put the heating bag at the bottom of the packaging box, then pour water, and finally put the serving box with rice on it and cover the end cover. After the heating bag reacts, it generates heat to steam the rice. This self-heating lunch box is relatively cumbersome to operate, and water needs to be poured manually to react with the heating bag. If the heating bag reacts quickly, it is easy to burn your hands. Utility Model Content

[0003] Based on this, it is necessary to provide a self-heating lunch box that can be heated very quickly and conveniently by rotating the bottom cover to pierce the film so that water flows into the bottom cover and reacts with the heating pack.

[0004] A self-heating lunch box, comprising:

[0005] The main base is in the shape of a sleeve with a hollow interior and openings at both ends. A water storage cavity is provided at the bottom of the main base extending vertically inwardly, and a flange portion is provided at the port of the water storage cavity extending outwardly of the main base.

[0006] An end cover is detachably and sealedly disposed on the top of the main substrate;

[0007] A film, sealingly disposed on an end surface of a port of the water storage cavity;

[0008] A bottom cover, which is hollow inside and open at the top, wherein the open end of the bottom cover is rotatably connected to the bottom end of the main base;

[0009] A heating pack is disposed in the bottom cover; and

[0010] An operating member is rotatably disposed in the bottom cover, and the position of the operating member corresponds to the flange portion, and the operating member has a piercing portion; the bottom cover rotates relative to the main base body, so that the operating member abuts against the flange portion and rotates, and the piercing portion can pierce the film.

[0011] In the self-heating lunch box, the prepared food or rice can be placed in the inner cavity of the main body, and the bottom cover is rotated to rotate the operating part, so that the piercing part pierces the film, and the water in the water storage cavity of the main body flows downward from the pierced part into the bottom cover and reacts with the heating pack to generate heat to heat the prepared food or rice. The self-heating lunch box is very fast and convenient to operate, and only needs to be rotated, without adding water, and can effectively avoid burns.

[0012] In one embodiment, the end cap is provided with a first lug and a second lug on opposite sides thereof, respectively, so as to facilitate the end cap to be placed on the top of the main substrate or to be removed from the top of the main substrate.

[0013] In one embodiment, a step is provided at the top of the main substrate along the axial direction, and a buckle is provided at the bottom of the end cover, and the buckle is engaged with the step, so that the detachable connection structure between the end cover and the main substrate is simpler and more effective.

[0014] In one of the embodiments, a positioning seat is vertically provided in the bottom cover, and the operating member is rotatably provided on the positioning seat.

[0015] In one embodiment, the positioning seat is provided with a matching hole, the operating member includes a body and a boss, the body is provided with the piercing portion protruding therefrom, the body and the piercing portion are located in the same plane, the bottom cover is rotated to make the body abut against the flange portion; the boss is vertically provided on the body, and the boss is rotatably inserted into the matching hole. The insertion of the boss and the matching hole can make the body stably installed on the positioning seat, and the body can rotate vertically by abutting against the flange portion, and finally the piercing portion rotates upward to pierce the film, so that the structure is more stable and the operation is more convenient.

[0016] In one embodiment, a slide groove is provided on the top end surface of the positioning seat extending toward the bottom, and the bottom of the slide groove is connected to the matching hole, so that the protruding column can slide into the matching hole along the slide groove, and the installation is more convenient.

[0017] In one embodiment, the body is a long strip, and the first and second actuating parts are respectively protruding from opposite ends of the body, and the first actuating part or the second actuating part can abut against the flange; the piercing part is located in the middle of the body. When the bottom cover rotates in the first direction, the first actuating part abuts against the flange, and the first actuating part moves downward, and the piercing part and the second actuating part move upward, and the piercing part pierces the film; or when the bottom cover rotates in the second direction, the second actuating part abuts against the flange, and the second actuating part moves downward, and the piercing part and the first actuating part move upward, and the piercing part pierces the film. A seesaw structure can be formed, which is very convenient and effective to realize that the body rotates to drive the piercing part to complete the piercing.

[0018] In one embodiment, the flange is in the shape of a frame, and one side of the flange close to the middle of the main base is open, and the flange has a first edge body and a second edge body spaced apart along the circumference of the main base; the first actuating portion is provided with a first inclined surface on the side facing the puncture portion, and the first inclined surface can abut against the first edge body; the second actuating portion is provided with a second inclined surface on the side facing the puncture portion, and the second inclined surface can abut against the second edge body. This can effectively make the point of force more stable when the first actuating portion or the second actuating portion abuts against the flange, and the main body can rotate stably.

[0019] In one embodiment, the outer side of the positioning seat is provided with a first convex strip, a second convex strip and a third convex strip, the second convex strip is located between the first convex strip and the third convex strip, and a limiting groove is provided on the top of the second convex strip, and the second convex strip is higher than the first convex strip and the third convex strip; a tip portion is protruding from the side of the body away from the puncture portion, and the tip portion corresponds to the position of the puncture portion; in a normal state, the first starting portion abuts against the first convex strip, or the second starting portion abuts against the third convex strip; in a use state, the second starting portion or the first starting portion abuts against the flange portion, the body rotates to make the puncture portion pierce the film, and the tip portion is engaged with the limiting groove. The body can be limited by the abutment of the first convex strip or the third convex strip in a normal state, and the body can be limited by the abutment of the tip portion and the limiting groove of the second convex strip in a use state, so as to ensure the stability of the position of the body and avoid accidental puncture and excessive rotation of the body.

[0020] In one embodiment, a main buckle is protruding circumferentially from the outer side of the bottom of the main base, and an auxiliary buckle is protruding circumferentially from the inner side of the top of the bottom cover, the bottom surface of the auxiliary buckle abuts against the top surface of the main buckle, and the outer side surface of the auxiliary buckle abuts against the outer side surface of the main base. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a structural schematic diagram of an embodiment of the self-heating lunch box of the utility model;

[0022] Figure 2 This is a cross-sectional structural diagram of the self-heating lunch box of the utility model;

[0023] Figure 3 for Figure 2 An enlarged structural schematic diagram of point A is shown;

[0024] Figure 4 for Figure 2 An enlarged schematic diagram of the structure at B is shown;

[0025] Figure 5 This is a schematic diagram of the matching structure of the main base and the bottom cover of the utility model;

[0026] Figure 6 It is a schematic diagram of the matching structure of the operating member and the positioning seat of the utility model.

[0027] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0028] 100. Self-heating lunch box; 1. Main body; 11. Water storage cavity; 12. Flange; 121. First flange; 122. Second flange; 13. Step; 14. Main ring; 2. End cover; 21. First lug; 22. Second lug; 23. Buckle; 3. Film; 4. Bottom cover; 41. Auxiliary ring; 42. Anti-slip strip; 5. Heating pack; 6. Operating member; 61. Puncture portion; 62. Main body; 63. Boss; 64. First starting portion; 641. First inclined plane; 65. Second starting portion; 651. Second inclined plane; 66. Tip; 7. Positioning seat; 71. Slide; 72. First convex strip; 73. Second convex strip; 74. Third convex strip; 75. Limiting groove; 200. Pre-prepared food. DETAILED DESCRIPTION

[0029] In order to make the above-mentioned purposes, features and advantages of the utility model more obvious and easy to understand, the specific implementation methods of the utility model are described clearly and completely below in conjunction with the accompanying drawings. Obviously, the specific details described below are only part of the embodiments of the utility model, and the utility model can also be implemented in many other embodiments different from those described here. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work belong to the protection scope of the utility model.

[0030] It should be noted that when an element is referred to as being "fixed to" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only and do not represent the only implementation method.

[0031] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention.

[0032] See also Figure 1 and Figure 2In one embodiment, a self-heating lunch box 100 includes: a main base 1, an end cover 2, a film 3, a bottom cover 4, a heating pack 5 and an operating member 6. The main base 1 is hollow inside and has two open ends. The bottom of the main base 1 is provided with a water storage cavity 11 extending vertically inwardly. The port of the water storage cavity 11 is provided with a flange portion 12 extending outward from the main base 1. The rice or pre-prepared dish 200 to be heated can be packaged by the box body and placed in the main base 1. Water needs to be added before the rice is heated. The end cover 2 is detachably arranged on the top of the main base 1 for sealing the main base 1. The film 3 is sealed on the end face of the port of the water storage cavity 11. The bottom cover 4 is hollow inside and open at the top. The open end of the bottom cover 4 is rotatably connected to the bottom end of the main base 1. The heating pack 5 is arranged in the bottom cover 4. The operating member 6 is rotatably arranged in the bottom cover 4, and the position of the operating member 6 corresponds to the flange portion 12. The operating member 6 has a piercing portion 61. The bottom cover 4 rotates relative to the main body 1 , so that the operating member 6 abuts against the flange 12 and rotates, and the piercing portion 61 can pierce the film 3 .

[0033] In the self-heating lunch box 100, the prepared food 200 or rice can be placed in the inner cavity of the main body 1. By rotating the bottom cover 4 to rotate the operating member 6, the piercing portion 61 pierces the film 3, and the water in the water storage cavity 11 of the main body 1 flows downward from the piercing portion into the bottom cover 4 and reacts with the heating pack 5 to generate heat to heat the prepared food 200 or rice. The self-heating lunch box 100 is very fast and convenient to operate. It only needs to be rotated, and there is no need to add water to the heating pack 5 by yourself, and it can effectively avoid burns.

[0034] See also Figure 2 In one embodiment of the end cover 2, a first lug 21 and a second lug 22 are respectively protruded on opposite sides of the end cover 2, so that the end cover 2 can be easily placed on the top of the main substrate 1 or removed from the top of the main substrate 1.

[0035] See also Figure 3 In a matching structure between the end cover 2 and the bottom cover 4 and the main substrate 1, a step 13 is axially provided at the top of the main substrate 1, and a buckle 23 is provided at the bottom of the end cover 2. The buckle 23 is engaged with the step 13, which can make the detachable connection structure between the end cover 2 and the main substrate 1 simpler and more effective.

[0036] See also Figure 4 A main ring buckle 14 is protruding along the circumferential direction on the outer side of the bottom of the main base 1, and an auxiliary ring buckle 41 is protruding along the circumferential direction on the inner side of the top of the bottom cover 4. The bottom surface of the auxiliary ring buckle 41 abuts against the top surface of the main ring buckle 14, and the outer side surface of the auxiliary ring buckle 41 abuts against the outer side surface of the main base 1. The top part of the bottom cover 4 is sleeved on the bottom of the main base 1, and through the buckling cooperation between the main ring buckle 14 and the auxiliary ring buckle 41, the bottom cover 4 can achieve a stable rotation connection with the main base 1.

[0037] See also Figure 2In another embodiment, a positioning seat 7 is vertically provided in the bottom cover 4 , and the operating member 6 is rotatably provided on the positioning seat 7 .

[0038] See also Figure 5 and Figure 6 On the basis of the above embodiment, the positioning seat 7 is provided with a matching hole, the operating member 6 includes a body 62 and a boss 63, a puncture portion 61 is protruding from the body 62, the body 62 and the puncture portion 61 are located in the same plane, the boss 63 is vertically arranged on the body 62, and the boss 63 is rotatably inserted in the matching hole, and the bottom cover 4 rotates to make the body 62 abut against the flange portion 12. The insertion of the boss 63 and the matching hole can make the body 62 stably installed on the positioning seat 7, and the body 62 can rotate vertically by abutting against the flange portion 12, and finally the puncture portion 61 rotates upward to puncture the film 3, and the structure is more stable and the operation is more convenient.

[0039] In order to facilitate the insertion of the boss 63 into the matching hole, a slide groove 71 is extended from the top end surface of the positioning seat 7 to the bottom, and the bottom of the slide groove 71 is connected to the matching hole, so that the boss 63 can directly slide into the matching hole through the slide groove 71 for positioning. It can be understood that the width of the slide groove 71 is slightly smaller than the diameter of the matching hole.

[0040] In one embodiment, the body 62 is a long strip, and the first actuating portion 64 and the second actuating portion 65 are respectively protruded from opposite ends of the body 62. The first actuating portion 64 or the second actuating portion 65 can abut against the flange portion 12, and the piercing portion 61 is located in the middle of the body 62. When the bottom cover 4 rotates along the first direction, the first actuating portion 64 abuts against the flange portion 12, and the first actuating portion 64 moves downward, the piercing portion 61 and the second actuating portion 65 move upward, and the piercing portion 61 pierces the film 3; or when the bottom cover 4 rotates along the second direction, the second actuating portion 65 abuts against the flange portion 12, and the second actuating portion 65 moves downward, the piercing portion 61 and the first actuating portion 64 move upward, and the piercing portion 61 pierces the film 3. A seesaw structure can be formed, which is very convenient and effective to realize that the body 62 rotates to drive the piercing portion 61 to complete the piercing.

[0041] The flange portion 12 is in the shape of a frame, and one side of the flange portion 12 close to the middle of the main base 1 is open, and the flange portion 12 has a first edge body 121 and a second edge body 122 spaced apart along the circumference of the main base 1. The first actuating portion 64 is provided with a first inclined surface 641 on the side facing the piercing portion 61, and the first inclined surface 641 can abut against the first edge body 121. The second actuating portion 65 is provided with a second inclined surface 651 on the side facing the piercing portion 61, and the second inclined surface 651 can abut against the second edge body 122. It can be effectively made that when the first actuating portion 64 or the second actuating portion 65 abuts against the flange portion 12, the fulcrum is more stable, and the main body 62 can rotate stably.

[0042] See also Figure 6In one embodiment, the outer side of the positioning seat 7 is provided with a first convex strip 72, a second convex strip 73 and a third convex strip 74, the second convex strip 73 is located between the first convex strip 72 and the third convex strip 74, and a limiting groove 75 is provided at the top of the second convex strip 73, and the second convex strip 73 is higher than the first convex strip 72 and the third convex strip 74. A tip portion 66 is protruding from one side of the body 62 away from the piercing portion 61, and the tip portion 66 corresponds to the position of the piercing portion 61, forming two structures extending in opposite directions.

[0043] In the normal state, the first actuating portion 64 abuts against the first convex strip 72, and the second actuating portion 65 tilts up, or the second actuating portion 65 abuts against the third convex strip 74, and the first actuating portion 64 tilts up; in the use state, the second actuating portion 65 abuts against the second edge body 122 or the first actuating portion 64 abuts against the first edge body 121, and the body 62 rotates to make the piercing portion 61 pierce the film 3, and the tip portion 66 engages with the limiting groove 75, and the body 62 is in a horizontal state. The body 62 can be limited by the abutment of the first convex strip 72 or the third convex strip 74 in the normal state, and the body 62 can be limited by the abutment of the tip portion 66 with the limiting groove 75 of the second convex strip 73 in the use state, so as to ensure the stability of the position of the body 62 and avoid accidental piercing and excessive rotation of the body 62.

[0044] It should be noted that in order to allow the water in the water storage cavity 11 to quickly flow out and react with the heating pack 5 after the film 3 is punctured, two sets of matching structures of the operating member 6 and the flange portion 12 may be provided. In the two sets of matching structures, the main body 62 of the operating member 6 is in opposite inclined positions under normal conditions. For example, in one set of matching structures, the first starting portion 64 abuts against the first convex strip 72, and the second starting portion 65 is tilted. In the other set of matching structures, the second starting portion 65 abuts against the third convex strip 74, and the first starting portion 64 is tilted, thereby ensuring that when the bottom cover 4 rotates, both sets of matching structures can successfully complete the puncture operation.

[0045] In addition, in order to prevent the bottom cover 4 from slipping when rotating, anti-slip strips 42 may be provided at intervals along the circumferential direction on the outer side of the bottom cover 4 , and the anti-slip strips 42 may extend from the top to the bottom of the bottom cover 4 .

[0046] The technical features of the above-described embodiments may be arbitrarily combined. To make the description concise, not all possible combinations of the technical features in the above-described embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0047] The above-mentioned embodiments only express several implementation methods of the utility model, and the description is relatively specific and detailed, but it cannot be understood as limiting the scope of the utility model patent. It should be pointed out that for ordinary technicians in this field, several deformations, substitutions and improvements can be made without departing from the concept of the utility model, which should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model patent should be based on the claims.

Claims

1. A self-heating lunch box, characterized in that: include: The main base is in the shape of a sleeve with a hollow interior and openings at both ends. A water storage cavity is provided at the bottom of the main base extending vertically inwardly, and a flange portion is provided at the port of the water storage cavity extending outwardly of the main base. An end cover is detachably and sealedly disposed on the top of the main substrate; A film, sealingly disposed on an end surface of a port of the water storage cavity; A bottom cover, which is hollow inside and open at the top, wherein the open end of the bottom cover is rotatably connected to the bottom end of the main base; A heating pack is disposed in the bottom cover; and An operating member is rotatably disposed in the bottom cover, and the position of the operating member corresponds to the flange portion, and the operating member has a piercing portion; the bottom cover rotates relative to the main base body, so that the operating member abuts against the flange portion and rotates, and the piercing portion can pierce the film.

2. The self-heating lunch box according to claim 1, characterized in that: A first lug and a second lug are respectively protruded from opposite sides of the end cover.

3. The self-heating lunch box according to claim 1, characterized in that: A step is axially arranged at the top of the main base, and a buckle is arranged at the bottom of the end cover, and the buckle is engaged with the step.

4. The self-heating lunch box according to claim 1, characterized in that: A positioning seat is vertically arranged in the bottom cover, and the operating member is rotatably arranged on the positioning seat.

5. The self-heating lunch box according to claim 4, characterized in that: The positioning seat is provided with a matching hole, and the operating member includes a main body and a boss. The piercing portion is protruding from the main body, and the main body and the piercing portion are located in the same plane. The bottom cover is rotated to make the main body abut against the flange portion; the boss is vertically arranged on the main body, and the boss is rotatably inserted into the matching hole.

6. The self-heating lunch box according to claim 5, characterized in that: A slide groove is provided on the top end surface of the positioning seat extending toward the bottom, and the bottom of the slide groove is communicated with the matching hole.

7. The self-heating lunch box according to claim 5, characterized in that: The main body is in the form of a long strip, and a first starter part and a second starter part are respectively protruded from opposite ends of the main body. The first starter part or the second starter part can abut against the flange part; the piercing part is located in the middle of the main body.

8. The self-heating lunch box according to claim 7, characterized in that: The flange portion is in the shape of a frame, and the flange portion is open on one side close to the middle of the main base, and the flange portion has a first edge body and a second edge body spaced apart along the circumference of the main base; the first starting portion is provided with a first inclined surface on the side facing the puncture portion, and the first inclined surface can abut against the first edge body; the second starting portion is provided with a second inclined surface on the side facing the puncture portion, and the second inclined surface can abut against the second edge body.

9. The self-heating lunch box according to claim 7, characterized in that: The outer side of the positioning seat is provided with a first convex strip, a second convex strip and a third convex strip, the second convex strip is located between the first convex strip and the third convex strip, and a limiting groove is provided on the top of the second convex strip, and the second convex strip is higher than the first convex strip and the third convex strip; a pointed end is protruded from the side of the body away from the puncture part, and the pointed end corresponds to the position of the puncture part; in a normal state, the first starting part abuts against the first convex strip, or the second starting part abuts against the third convex strip; in a use state, the second starting part or the first starting part abuts against the flange part, and the body rotates to make the puncture part pierce the film, and the pointed end is engaged with the limiting groove.

10. The self-heating lunch box according to any one of claims 1 to 9, characterized in that: A main buckle is protruding circumferentially from the outer side of the bottom of the main base, and an auxiliary buckle is protruding circumferentially from the inner side of the top of the bottom cover. The bottom surface of the auxiliary buckle abuts against the top surface of the main buckle, and the outer side surface of the auxiliary buckle abuts against the outer side surface of the main base.

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