A paper pulp lunch box with heat preservation function
By designing a detachable partition and multi-layer structure insulation layer, the adjustment and insulation effect of the pulp lunch box are improved, and the stacking stability and heat dissipation problems are solved through the design of the support seat and sealing plug, achieving a more efficient user experience.
Patent Information
- Application Number
- CN202421565200.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-03
- Publication Date
- 2025-04-08
- Estimated Expiration
- 2034-07-03
AI Technical Summary
The internal partition structure of the existing pulp lunch boxes is fixed and cannot be adjusted, which makes it inconvenient to adjust when the number of dishes changes, and the insulation effect is poor, and the stacking stability needs to be improved.
A pulp lunch box with insulation function is designed. Multiple partitions can be detached in the box. The partitions can be adjusted by the design of the slot and the head. The insulation layer, reinforcement layer and anti-corrosion layer are provided in the box to improve the insulation effect and overall strength. The support base and groove structure are used for stable stacking, and the sealing plug and heat dissipation hole are designed for regulating heat dissipation.
It realizes flexible adjustment of partitions, adapts to the storage of different quantities and types of dishes, improves the practicality and insulation effect of the lunch box, ensures stacking stability, and facilitates the heat dissipation of dishes through the design of the heat dissipation hole.
Smart Images

Figure CN222728548U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of pulp lunch boxes, and more specifically, to a pulp lunch box with a heat preservation function. Background Art
[0002] In the production process of pulp tableware, plant fibers are processed into pulp, and food-grade waterproof and oil-proof additives are added through high-tech processing, so that the environmentally friendly pulp tableware has more advantages than the existing plastic lunch boxes. When the existing pulp lunch boxes are in use, the internal partition structure is fixed and inconvenient to adjust. When the number of dishes changes, it is not convenient to adjust the interior. In addition, the existing thermal insulation lunch boxes can only simply store dishes, and the thermal insulation effect is poor. In addition, when the pulp lunch boxes are in use, multiple lunch boxes are stacked relatively, and the stacking stability needs to be improved. Utility Model Content
[0003] 1. Technical issues to be resolved
[0004] In view of the problems existing in the prior art, the utility model provides a pulp lunch box with a heat preservation function to solve the technical problems mentioned in the background technology that the internal partition structure of the existing pulp lunch box is fixed when in use, which is inconvenient to adjust, and the internal structure is inconvenient to adjust when the number of dishes changes.
[0005] (II) Technical solution
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a pulp lunch box with a heat preservation function, comprising a box body, a cover plate detachably provided on the top of the box body, a partition plate detachably provided inside the box body, a plurality of partition plates are provided, card slots are provided on the inner walls of the front and rear end surfaces of the box body corresponding to the plurality of partition plates, card heads are provided on the left and right end surfaces of the plurality of partition plates corresponding to the card slots, card holes are provided on the inner walls at both ends of the plurality of card slots corresponding to the card heads, a placement box is detachably provided on the top of the box body, and placement slots are provided on the inner walls at both ends of the box body corresponding to the placement box.
[0007] The utility model is further configured that the box body includes a base layer and a heat-insulating layer, and the heat-insulating layer is arranged at the inner side end of the base layer to ensure the heat-insulating effect.
[0008] The utility model is further configured that a strengthening layer is provided between the heat-insulating layer and the base layer, and two ends of the strengthening layer are respectively fixedly connected to the heat-insulating layer and the base layer to improve the strength.
[0009] The utility model is further configured that an anti-corrosion layer is provided at the inner end of the thermal insulation layer, and the anti-corrosion layer and the thermal insulation layer are fixedly connected to achieve anti-corrosion protection for the inner side.
[0010] The utility model is further configured that support seats are provided at four corners of the lower end surface of the box body, and grooves are provided on the upper end surface of the cover plate corresponding to the plurality of support seats, so as to facilitate the stacking and storage of multiple box bodies.
[0011] The utility model is further configured that the cover plate is provided with a heat dissipation hole, a plurality of the heat dissipation holes are provided, and sealing plugs are detachably provided on the plurality of heat dissipation holes to facilitate heat dissipation adjustment.
[0012] The utility model is further configured that the bottom of the outer end surface of the plurality of sealing plugs is provided with a limiting ring, and the limiting ring is threadedly connected to the sealing plug to limit the installed sealing plug.
[0013] (III) Beneficial effects
[0014] Compared with the prior art, the utility model provides a pulp lunch box with heat preservation function, which has the following beneficial effects:
[0015] 1. Through the design of partitions, multiple partitions are provided, and the multiple partitions are detachably provided corresponding to the card slots of the box body. The card heads and card holes cooperate with the limit clamps to facilitate the internal partition adjustment and the storage adjustment of different types and quantities of dishes, thereby improving practicality.
[0016] 2. Through the design of the insulation layer, the insulation layer is set on the inner side of the base layer to provide insulation protection for the inside, the reinforcement layer improves the overall strength, and the anti-corrosion layer provides anti-corrosion protection for the inside. The insulation layer is preferably made of aluminum foil film material, the reinforcement layer is preferably composed of several reinforcement ribs, and the anti-corrosion layer is preferably made of polypropylene material.
[0017] 3. Through the design of the support seat, the support seat of the box body corresponds to the groove setting on the cover plate, which facilitates the stacking of multiple lunch boxes after assembly and ensures the stacking stability.
[0018] 4. Through the design of the sealing plug, the corresponding cover plate of the sealing plug can be detachably arranged. The sealing plug is installed to ensure the internal sealing and heat preservation effect. The limiting ring limits the sealing plug to prevent it from falling. When the internal dishes need to be cooled, the limiting ring is disassembled, the sealing plug is removed, and the cover plate with heat dissipation holes is installed on the corresponding box body. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] Figure 1 This is a schematic diagram of the preferred overall structure of a pulp lunch box with heat preservation function;
[0020] Figure 2 An exploded diagram of the matching structure of a cover plate, a sealing plug and a limiting ring preferably selected for a paper pulp lunch box with a heat preservation function;
[0021] Figure 3 This is a schematic diagram of the overall structure of a pulp lunch box with a heat preservation function;
[0022] Figure 4 This is a schematic diagram of a box structure of a paper pulp lunch box with a heat preservation function, which is preferably not equipped with a partition and a placement box;
[0023] Figure 5 A schematic diagram of the preferred partition and clamp matching structure of a pulp lunch box with heat preservation function;
[0024] Figure 6 This is an exploded cross-sectional view of the inner structure of a pulp lunch box with heat preservation function.
[0025] In the figure: 1. box body; 2. cover plate; 3. partition plate; 4. slot; 5. clamp head; 6. clamp hole; 7. placement box; 8. placement slot; 9. base layer; 10. insulation layer; 11. reinforcement layer; 12. anti-corrosion layer; 13. support seat; 14. groove; 15. heat dissipation hole; 16. sealing plug; 17. limit ring. DETAILED DESCRIPTION
[0026] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present utility model will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.
[0027] It should be noted that, unless otherwise specified, all technical and scientific terms used in this application have the same meanings as commonly understood by ordinary technicians in the technical field to which this application belongs.
[0028] In the present invention, unless otherwise specified, directions such as "up" and "down" are usually used in reference to the directions shown in the drawings, or in reference to the vertical, perpendicular or gravity direction; similarly, for ease of understanding and description, "left" and "right" are usually used in reference to the left and right shown in the drawings; "inside" and "outside" refer to the inside and outside relative to the outline of each component itself, but the above-mentioned directions are not used to limit the present invention.
[0029] See also Figure 1-5 A pulp lunch box with heat preservation function comprises a box body 1, a cover plate 2 is detachably provided on the top of the box body 1, a partition plate 3 is detachably provided inside the box body 1, a plurality of partition plates 3 are arranged, card slots 4 are opened on the inner walls of the front and rear end surfaces of the box body 1 corresponding to the plurality of partition plates 3, card heads 5 are provided on the left and right end surfaces of the plurality of partition plates 3 corresponding to the card slots 4, card holes 6 are opened on the inner walls at both ends of the plurality of card slots 4 corresponding to the card heads 5, a placement box 7 is detachably provided on the top of the box body 1, and placement slots 8 are opened on the inner walls at both ends of the box body 1 corresponding to the placement box 7.
[0030] In this embodiment, the installation of the partition 3 is adjusted according to the use requirements, and the partition 3 is installed in the corresponding appropriate position of the slot 4. The clamping head 5 on the partition 3 and the clamping hole 6 on the inner wall of the slot 4 cooperate to clamp the installation.
[0031] More specifically, the placement box 7 is installed corresponding to the placement groove 8, and tableware and the like are stored in the placement box 7.
[0032] See also Figure 6 As an implementation method for insulation: the box body 1 includes a base layer 9 and an insulation layer 10, the insulation layer 10 is arranged at the inner end of the base layer 9, a reinforcement layer 11 is provided between the insulation layer 10 and the base layer 9, the two ends of the reinforcement layer 11 are respectively fixedly connected to the insulation layer 10 and the base layer 9, an anti-corrosion layer 12 is provided at the inner end of the insulation layer 10, and the anti-corrosion layer 12 and the insulation layer 10 are fixedly connected.
[0033] Specifically, the thermal insulation layer 10 provides thermal insulation protection to the interior, the strengthening layer 11 improves the strength, and the anti-corrosion layer 12 provides anti-corrosion protection to the inside.
[0034] See also Figure 1 and Figure 3 As an implementation method for stacking: support seats 13 are provided at four corners of the lower end surface of the box body 1, and grooves 14 are provided on the upper end surface of the cover plate 2 corresponding to the multiple support seats 13.
[0035] Specifically, the support seat 13 is installed corresponding to the groove 14, and multiple lunch boxes can be stably stacked and stored.
[0036] See also Figure 1 and Figure 2 As an implementation method of the box body 1: a heat dissipation hole 15 is opened on the cover plate 2, and a plurality of heat dissipation holes 15 are provided. Sealing plugs 16 are removably provided on the plurality of heat dissipation holes 15, and a limiting ring 17 is provided at the bottom of the outer end surface of the plurality of sealing plugs 16, and the limiting ring 17 and the sealing plug 16 are threadedly connected.
[0037] Specifically, the internal heat diffuses outward through the heat dissipation holes 15 on the cover plate 2. When sealing and heat preservation are required, the sealing plug 16 is installed corresponding to the heat dissipation hole 15, and the limiting ring 17 and the sealing plug 16 are threadedly matched to limit the installation.
[0038] In summary, the overall equipment is in use:
[0039] When the partition 3 is in the installation and adjustment state, the partition 3 is adjusted according to the needs of use, and the partition 3 is installed in the corresponding appropriate position of the slot 4. The clamping head 5 on the partition 3 and the clamping hole 6 on the inner wall of the slot 4 cooperate to clamp the installation, which is convenient for storing and adjusting different quantities and types of meals.
[0040] When the lunch box is in use, after the dishes are placed inside the box body 1, the tableware is placed in the placement box 7, and the placement box 7 is placed correspondingly on the placement groove 8, and then the cover 2 is closed, and the cover 2 and the box body 1 are installed in an elastic clamping installation method commonly used in the lunch box industry. After the cover 2 is installed, the support seat 13 at the bottom end of the upper box body 1 is installed corresponding to the groove 14 of the bottom cover 2 to ensure stable stacking.
[0041] When in the storage state, the insulation layer 10 keeps the internal dishes warm. When the dishes need to be cooled, the limit ring 17 is removed, the sealing plug 16 corresponding to the heat dissipation hole 15 is removed, and the heat dissipation hole 15 is opened to facilitate heat dissipation of the heat dissipation hole 15.
[0042] In all the schemes mentioned above, the connection between two parts can be selected according to actual conditions by welding, bolt and nut matching connection, bolt or screw connection or other well-known connection methods, which are not described here one by one. In the above, all fixed connections are preferably welded. Although the embodiments of the utility model have been shown and described, it can be understood by ordinary technicians in this field that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the utility model. The scope of the utility model is defined by the attached claims and their equivalents.
Claims
1. A paper pulp lunch box with heat preservation function, comprising a box body (1), wherein a cover plate (2) is detachably provided on the top of the box body (1), and wherein: The box body (1) is provided with a partition (3) detachably inside, and a plurality of the partitions (3) are provided. The inner walls of the front and rear end surfaces of the box body (1) are provided with card slots (4) corresponding to the plurality of the partitions (3). The left and right end surfaces of the plurality of the partitions (3) are provided with card heads (5) corresponding to the card slots (4). The inner walls of the left and right ends of the plurality of the card slots (4) are provided with card holes (6) corresponding to the card heads (5). The top end of the box body (1) is provided with a placement box (7) detachably inside, and the inner walls of the left and right ends of the box body (1) are provided with placement slots (8) corresponding to the placement box (7).
2. The pulp lunch box with heat preservation function according to claim 1 is characterized in that: The box body (1) comprises a base layer (9) and a heat-insulating layer (10), wherein the heat-insulating layer (10) is arranged at the inner side end of the base layer (9).
3. The pulp lunch box with heat preservation function according to claim 2 is characterized in that: A strengthening layer (11) is provided between the thermal insulation layer (10) and the base layer (9), and two ends of the strengthening layer (11) are fixedly connected to the thermal insulation layer (10) and the base layer (9) respectively.
4. The pulp lunch box with heat preservation function according to claim 2 is characterized in that: An anti-corrosion layer (12) is provided at the inner end of the thermal insulation layer (10), and the anti-corrosion layer (12) and the thermal insulation layer (10) are fixedly connected.
5. The pulp lunch box with heat preservation function according to claim 1 is characterized in that: Support seats (13) are provided at four corners of the lower end surface of the box body (1), and grooves (14) are provided on the upper end surface of the cover plate (2) corresponding to the plurality of support seats (13).
6. The pulp lunch box with heat preservation function according to claim 1 is characterized by: The cover plate (2) is provided with a heat dissipation hole (15), a plurality of the heat dissipation holes (15) are provided, and a sealing plug (16) is detachably provided on each of the plurality of heat dissipation holes (15).
7. The pulp lunch box with heat preservation function according to claim 6 is characterized by: A limiting ring (17) is provided at the bottom of the outer end surface of each of the plurality of sealing plugs (16), and the limiting ring (17) and the sealing plug (16) are threadedly connected.