A closed fast food paper pulp lunch box
By setting a sealing layer on the surface of the partition of the pulp lunch box and using the connection settings of the sealing groove, connecting groove and sealing strip to form a sealing structure, the problem of easy leakage and odor mixing of meals in the existing pulp lunch box is solved, and better food isolation and convenience of use are achieved.
Patent Information
- Application Number
- CN202421847894.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-01
- Publication Date
- 2025-04-01
- Estimated Expiration
- 2034-08-01
AI Technical Summary
The existing pulp lunch boxes lack a closed structure, which makes the meal easily leak out during shaking, and the partition plate has no airtight structure, resulting in the mixing of odors between different meals and affecting the taste of the food.
A closed fast food pulp lunch box is designed. By setting a sealing layer on the surface of the partition, the meal odor is prevented from mixing, and through the connection arrangement of the sealing groove, the connecting groove and the sealing strip, a sealing structure is formed to prevent the food from leaking outward.
The odor isolation between different meals is achieved, odor mixing is avoided, the taste of the food is improved, and the food is prevented from spilling out through a closed structure, improving the convenience and safety of use.
Smart Images
Figure CN222699087U_ABST
Abstract
Description
Technical Field
[0001] The utility model mainly relates to the technical field of paper pulp lunch boxes, in particular to a closed fast food paper pulp lunch box. Background Art
[0002] With the rapid development of the takeout food ordering industry, the demand for lunch boxes has increased sharply. The commonly used takeout boxes have evolved from the previous polyethylene lunch boxes to the current PE material lunch boxes. In order to save energy and protect the environment, pulp lunch boxes are currently used in the market. Paper pulp lunch boxes can automatically degrade and return to carbon dioxide and water, returning to nature. They have the characteristics of saving resources and protecting the environment. The internal space of the traditional lunch box is not divided, and the food is placed in the same place, which will affect the taste of the food.
[0003] The prior art includes a box body, one side of the box body is movably connected to a box cover through a connecting strip, a pulp cup is fixedly connected to the inner lower surface of the box body, a matching cup cover is installed on the pulp cup, two symmetrically arranged partition plates 1 are fixedly connected in the box body, one side of the partition plate 1 is fixedly connected to the side of the pulp cup, and the box body is also fixedly connected to a partition plate 2. The prior art divides meals through partition plates to avoid direct contact between meals, but the outside of the lunch box lacks a sealed structure, and the food inside is easy to leak out during shaking, and the partition plate has no airtight structure, and the odors of different meals are easily mixed and cause cross-flavor. Utility Model Content
[0004] In view of the above-mentioned problems existing in the prior art, the purpose of the utility model is to provide a closed fast food pulp lunch box, which prevents the smell of food in the inner lunch box from mixing through the sealing layer on the surface of the partition, and seals the space in the outer lunch box and the inner lunch box through the connection arrangement of the sealing groove, the connecting groove and the sealing strip to prevent the food from leaking out.
[0005] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a closed fast food pulp lunch box, comprising an outer lunch box, the outer lunch box is a hollow pulp box body, an inner lunch box is arranged inside the outer lunch box, a partition is arranged inside the inner lunch box, a connecting plate is arranged on the inner lunch box, a top cover is arranged on the connecting plate, a sealing strip is arranged on the bottom of the top cover, a sealing groove is formed on the outer lunch box, a connecting groove is formed on the connecting plate, and the sealing strip passes through the connecting groove and the sealing groove to seal the outer lunch box.
[0006] Preferably, fixed blocks are provided on at least two side walls of the top cover, and two connecting shafts are rotatably connected to any one of the fixed blocks, and a first magnetic block is provided between the two connecting shafts.
[0007] Furthermore, a second magnetic block is arranged on the side wall of the outer lunch box, and the second magnetic block is located in the rotation direction of the first magnetic block. The number of the second magnetic blocks is the same as that of the first magnetic blocks and they correspond one to one. The top cover is fixed to the outer lunch box through the magnetic connection between the first magnetic block and the second magnetic block.
[0008] Furthermore, there are two fixing blocks, which are respectively located on two mutually symmetrical side walls of the top cover. The connection between the top cover and the outer lunch box is uniform and stable through the two mutually symmetrical fixing blocks.
[0009] Preferably, the sealing strip is a sealing material that can come into contact with food, specifically nitrile rubber.
[0010] Preferably, there are multiple sealing strips, which are evenly distributed around the outer peripheral edge of the top cover, and the connecting grooves, sealing grooves and sealing strips are the same in number and fit together, so that the top cover and the outer lunch box are fully sealed by the sealing strips, connecting grooves and sealing grooves.
[0011] Preferably, the partition is a V-shaped laminated structure, the inner layer of the partition is an elastic inner layer, the number of the sealing layers is two, and the two sealing layers are respectively located on both sides of the elastic inner layer. The V-shaped partition divides the interior of the lunch box into a plurality of airtight triangular space structures for stability.
[0012] Furthermore, the elastic inner layer is made of TPE material.
[0013] Furthermore, the sealing layer is made of PLA.
[0014] Compared with the prior art, the utility model has the following beneficial effects:
[0015] The space in the inner lunch box is separated by a V-shaped partition with an elastic inner layer and a sealing layer on the outside. The multiple space structures after separation are stable and airtight, and odors are not easily mixed between different spaces. In addition, the top cover, the inner lunch box and the outer lunch box are airtightly connected through sealing strips evenly arranged around the edge of the top cover, the sealing groove formed on the outer lunch box, and the connecting groove formed on the connecting plate, so that the food inside will not leak out along the connecting gap.
[0016] The present invention will be explained in detail below with reference to the accompanying drawings and specific embodiments. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] The accompanying drawings are only used to illustrate the principles, implementation methods, applications, characteristics and effects of the specific embodiments of the present invention and other related contents, and cannot be considered as limitations of the present invention.
[0018] In the drawings of the specification:
[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0020] Figure 2 It is an enlarged view of the structure at A of the utility model;
[0021] Figure 3 This is a schematic diagram of the inner lunch box structure of the utility model;
[0022] Figure 4 This is a schematic diagram of the partition structure of the utility model;
[0023] Figure 5 It is a schematic diagram of the closed state of the overall structure of the utility model;
[0024] Reference numerals:
[0025] 1. Outer lunch box; 11. Sealing groove; 2. Inner lunch box; 21. Connecting plate; 22. Connecting groove; 3. Partition plate; 31. Elastic inner layer; 32. Sealing layer; 4. Top cover; 41. Sealing strip; 42. Fixed block; 43. Connecting shaft; 44. First magnetic block; 5. Second magnetic block. DETAILED DESCRIPTION Example 1
[0026] like Figures 1 to 5 As shown, a closed fast food pulp lunch box comprises an outer lunch box 1, wherein the outer lunch box 1 is a square hollow pulp box body, an inner lunch box 2 is arranged in the outer lunch box 1, and the inner lunch box 2 has the same shape as the outer square box 1, a partition 3 is arranged in the inner lunch box 2, a sealing layer 32 is formed on the surface of the partition 3, a connecting plate 21 is arranged on the inner lunch box 2, a top cover 4 is arranged on the connecting plate 21, a sealing strip 41 is arranged on the bottom of the top cover 4, a sealing groove 11 is formed on the outer lunch box 1, a connecting groove 22 is formed on the connecting plate 21, the sealing strip 41 is a sealing material that can contact with food, specifically nitrile rubber, the number of the sealing strips 41 is four, and the four sealing strips 41 are evenly distributed around the outer peripheral edge of the top cover 4, the number of the connecting grooves 22, the sealing grooves 11 and the sealing strips 41 are the same and fit each other, and the sealing strip 41 passes through the connecting grooves 22 and the sealing grooves 11 to seal the outer lunch box 1.
[0027] A fixed block 42 is respectively provided on two symmetrical side walls of the top cover 4, and two connecting shafts 43 are rotatably connected to any one of the fixed blocks 42. A first magnetic block 44 is provided between the two connecting shafts 43, and a second magnetic block 5 is provided on the side wall of the outer lunch box 1. The second magnetic block 5 is located horizontally below the fixed block 42, and when the first magnetic block 44 rotates downward around the fixed block 42 with the connecting shaft 43 as the rotating shaft, it will contact the surface of the second magnetic block 5. The second magnetic block 5 is the same in number as the first magnetic block 44 and corresponds one to one. The first magnetic block 44 and the second magnetic block 5 are magnetically connected to fix the top cover 4 on the outer lunch box 1.
[0028] The partition 3 is a V-shaped laminated structure, the inner layer of the partition 3 is an elastic inner layer 31, the number of the sealing layers 32 is two, and the two sealing layers 32 are respectively located on both sides of the elastic inner layer 31, the elastic inner layer 31 is made of TPE material, and the TPE material is a thermoplastic elastomer with good elasticity and toughness and can be directly in contact with food, taking into account food safety and structural stability, and the sealing layer 32 is made of PLA material, and the PLA is polylactic acid, which has good air permeability, oxygen permeability and carbon dioxide permeability, has the characteristics of isolating odors, and can be directly in contact with food, taking into account food safety and structural airtightness.
[0029] The implementation principle of Example 1 of the present application is as follows: when the product is in use, the main meal is first placed in the outer lunch box 1, and then the inner lunch box 2 is placed into the outer lunch box 1 along the inner wall of the outer lunch box 1 until the connecting plate 21 is engaged with the side wall of the outer lunch box 1 to fix the inner lunch box 2 above the level of the main meal, and then the remaining meals are classified and placed in the three inner lunch box spaces divided by the partition 3. The inner layer of the partition 3 is an elastic inner layer 31, which has a stable structure and can prevent the soup from penetrating from the bottom of the partition to the remaining meals. The outer layer of the partition 3 is a sealing layer 32 to prevent the odor of the meals from mixing, thereby avoiding the odor of different types of meals. Then, the sealing strip 41 at the bottom of the top cover 4 is passed through the connecting groove 322 and the sealing groove 11 in turn, so as to seal the outer lunch box, the inner lunch box and the top cover so that the meals are not easily leaked out, and finally, the two first magnetic blocks 44 on the side of the top cover 4 are rotated to the outside of the corresponding second magnetic blocks 5 for magnetic connection, so that the top cover 4 is fixed above the outer lunch box 1 and is not easy to fall off.
[0030] It is obvious to those skilled in the art that the present application is not limited to the details of the exemplary embodiments described above, and that the present application can be implemented in other specific forms without departing from the basic features of the present application. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-restrictive, and the scope of the present application is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims are included in the present application. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.
Claims
1. A closed fast food paper pulp lunch box, comprising an outer lunch box (1), wherein the outer lunch box (1) is a hollow paper pulp box body, characterized in that: The outer lunch box (1) is provided with an inner lunch box (2), a partition (3) is provided in the inner lunch box (2), a sealing layer (32) is formed on the surface of the partition (3), a connecting plate (21) is provided on the inner lunch box (2), a top cover (4) is provided on the connecting plate (21), a sealing strip (41) is provided at the bottom of the top cover (4), a sealing groove (11) is formed on the outer lunch box (1), a connecting groove (22) is formed on the connecting plate (21), and the sealing strip (41) passes through the connecting groove (22) and the sealing groove (11) to seal the outer lunch box (1).
2. A closed fast food paper pulp lunch box according to claim 1, characterized in that: Fixed blocks (42) are provided on at least two side walls of the top cover (4), and two connecting shafts (43) are rotatably connected to any one of the fixed blocks (42), and a first magnetic attraction block (44) is provided between the two connecting shafts (43).
3. A closed fast food paper pulp lunch box according to claim 2, characterized in that: A second magnetic block (5) is provided on the side wall of the outer lunch box (1), the second magnetic block (5) is located in the rotation direction of the first magnetic block (44), and the number of the second magnetic blocks (5) and the first magnetic blocks (44) are the same and correspond one to one.
4. A closed fast food paper pulp lunch box according to claim 2, characterized in that: There are two fixing blocks (42), which are respectively located on two mutually symmetrical side wall positions of the top cover (4).
5. The closed fast food paper pulp lunch box according to claim 1, characterized in that: The sealing strip (41) is a sealing material that can come into contact with food, specifically nitrile rubber.
6. A closed fast food paper pulp lunch box according to claim 1, characterized in that: The number of the sealing strips (41) is multiple, and the multiple sealing strips (41) are evenly distributed around the outer peripheral edge of the top cover (4), and the number of the connecting grooves (22), the sealing grooves (11) and the sealing strips (41) are the same and fit each other.
7. A closed fast food paper pulp lunch box according to claim 1, characterized in that: The partition (3) is a V-shaped laminated structure, the inner layer of the partition (3) is an elastic inner layer (31), the number of the sealing layers (32) is two, and the two sealing layers (32) are respectively located on both sides of the elastic inner layer (31).
8. The closed fast food pulp lunch box according to claim 7, characterized in that: The elastic inner layer (31) is made of TPE material.
9. The closed fast food paper pulp lunch box according to claim 7, characterized in that: The sealing layer (32) is made of PLA material.