Food box compartment body for aviation food truck

Through mortise and tenon connections and a combined structure of fiberglass and PET core materials, the stability and processing and installation problems of the aviation food box body are solved, achieving a stable mechanical structure and high production efficiency.

CN223384559UActive Publication Date: 2025-09-26WEIHAI GENG XIN COMPOSITE MATERIALS TECH CO LTD
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Patent Information

Application Number
CN202422725438.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-08
Publication Date
2025-09-26
Estimated Expiration
2034-11-08

AI Technical Summary

Technical Problem

Existing airline food box bodies lack stability and are difficult to manufacture and install.

Method used

The mortise and tenon connection method is adopted. The right-angle protrusions of the left and right panels are inserted into the dovetail grooves of the top panel to form approximately triangular limit grooves, and limit columns are inserted for fixation. The combined structure of fiberglass, PET core material and metal embedded parts enhances stability and strength.

Benefits of technology

The stability of the food box body and the convenience of processing and installation are improved, the equipment and manpower requirements are reduced, and the strength and aesthetics of the overall structure are enhanced.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a food box compartment body for an aviation food truck. The food box compartment body solves the technical problems that an existing food box compartment body is simple in overall structure and insufficient in stability. The food box compartment is provided with a compartment body, the compartment body comprises a left side plate, a right side plate and a top plate, the left side plate and the right side plate are connected with the top plate in a mortise and tenon joint mode, at the mortise and tenon joint position, a right-angle protruding block of the left side plate or the right side plate is inserted into a dovetail groove of the top plate, and an approximately triangular limiting groove is formed between the left side plate and the right side plate; the right-angle convex block is limited and fixed in the dovetail groove; the carriage can be widely applied to the technical field of carriages.
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Description

Technical Field

[0001] The present application relates to the technical field of compartments, and in particular to a food box compartment for an aviation food truck. Background Art

[0002] Airplanes are a popular mode of transportation, and most flights are long, requiring food trucks to deliver food to the aircraft in advance. With the advancement of airline food container technology, food container bodies have become largely homogenized. Most use overlapping panels secured with hemming, resulting in a simple overall structure and insufficient stability. Summary of the Invention

[0003] The purpose of the utility model is to solve the deficiencies of the above-mentioned technology and provide a food box body for an aviation food vehicle to improve its stability.

[0004] To this end, the utility model provides a food box compartment for an aviation food vehicle, which is provided with a compartment body, the compartment body including a left side panel, a right side panel, and a top panel, the left side panel and the right side panel are respectively connected to the top panel by mortise and tenon joints; at the mortise and tenon joints, the right-angled protrusion of the left side panel or the right side panel is inserted into the dovetail groove of the top panel, forming an approximately triangular limiting groove between the two, and a limiting column is inserted into the limiting groove to limit and fix the right-angled protrusion in the dovetail groove.

[0005] Preferably, the top plate is sequentially connected with a first food-grade fiberglass plate, a first PET core material assembly, and a first fiberglass from the inside to the outside. The first PET core material assembly includes a plurality of first PET plates. Two adjacent first PET plates are connected by a first I-beam. A first metal embedded part is connected inside the first PET plate.

[0006] Preferably, the left side panel is sequentially connected with a second food-grade fiberglass plate, a second PET core material assembly, and a second fiberglass from the inside to the outside. The PET core material assembly includes multiple second PET plates. Two adjacent second PET plates are connected by a second I-beam. A second metal embedded part is connected inside the second PET plate.

[0007] Preferably, the left side panel is provided with a side door, which is connected to a third food-grade fiberglass plate, a core material assembly, and a third fiberglass from the inside to the outside. The core material assembly includes a wooden board and a third PET board. The wooden board is a hollow skeleton structure, and the third PET board is embedded in the hollow of the wooden board.

[0008] Preferably, the right side panel and the left side panel have the same structure.

[0009] Preferably, the bottom plate of the compartment body is sequentially connected with a first glass fiber layer, a PET core material layer, and a second glass fiber layer from the inside to the outside, and a metal frame is embedded in the PET core material layer.

[0010] Preferably, the front plate of the compartment body is made of carbon steel material, and the front plate is provided with a front door.

[0011] Preferably, the rear panel of the vehicle body is made of carbon steel and is provided with a rear door.

[0012] Preferably, top metal edging is installed at the mortise and tenon joints of the left side panel, the right side panel and the top panel respectively; bottom metal edging is installed at the mortise and tenon joints of the left side panel, the right side panel and the bottom panel respectively.

[0013] The beneficial effects of the utility model are as follows: the utility model provides a food box compartment for an aviation food vehicle, wherein the left side panel and the right side panel are respectively connected to the top panel by mortise and tenon joints; at the mortise and tenon joints, the right-angled protrusions of the left side panel or the right side panel are inserted into the dovetail groove of the top panel, forming an approximately triangular limiting groove between the two; a limiting column is inserted into the limiting groove to prevent the right-angled protrusions from moving in the dovetail groove, thereby forming a stable mechanical structure and improving its stability in use. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following briefly introduces the drawings required for use in the embodiments or descriptions of the prior art. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without any creative work.

[0015] Figure 1 It is a structural diagram of the utility model;

[0016] Figure 2 This is a structural diagram of the utility model from another perspective;

[0017] Figure 3 This is a schematic diagram of the structure of the top view of the utility model (excluding the top metal edging on one side);

[0018] Figure 4 for Figure 3 A schematic structural diagram of the enlarged view of part A shown;

[0019] Figure 5 is a structural diagram of the top plate;

[0020] Figure 6 is a structural schematic diagram of a cross-sectional view of the top plate;

[0021] Figure 7 for Figure 6 The structural diagram of the enlarged view of the D part shown;

[0022] Figure 8 for Figure 6 The structural diagram of the enlarged view of part E shown;

[0023] Figure 9 Schematic diagram of the structure of the left side panel. The structure of the right side panel is the same as that of the left side panel and is omitted.

[0024] Figure 10 is a structural schematic diagram of a cross-sectional view of the left side panel;

[0025] Figure 11 for Figure 10 A schematic structural diagram of an enlarged view of part B shown;

[0026] Figure 12 for Figure 10 The structural diagram of the enlarged view of part C shown;

[0027] Figure 13 is a structural diagram of the base plate;

[0028] Figure 14 A schematic structural diagram of a cross-sectional view of the bottom plate;

[0029] Figure 15 for Figure 14 The structural diagram of the enlarged view of part F shown;

[0030] Figure 16 is a structural schematic diagram of a sectional view of the left door;

[0031] Figure 17 for Figure 16 A schematic structural diagram of an enlarged view of portion G shown;

[0032] Figure 18 This is a schematic diagram of the structure of the core material assembly of the left door.

[0033] Markings in the figure: 1. Left side panel, 2. Right side panel, 3. Top panel, 4. Limiting column, 5. Right-angled protrusion, 6. Dovetail groove, 7. Bottom panel, 8. Front panel, 9. Rear panel, 10. Limiting groove, 11. Second food-grade FRP plate, 12. Second FRP plate, 13. Second PET plate, 14. Second I-beam, 15. Side door, 16. Second metal embedded part, 31. First food-grade FRP plate, 32. First FRP plate, 33. First PET plate, 34. First I-beam, 35. First metal embedded part, 71. First glass fiber layer, 72. PET core layer, 73. Second glass fiber layer, 74. Metal frame, 81. Front door, 91. Rear door, 101. Top metal edging, 102. Bottom metal edging, 151. Third food-grade FRP plate, 152. Third FRP plate, 153. Wooden board, 154. Third PET plate. DETAILED DESCRIPTION

[0034] In order to make the technical problems, technical solutions and beneficial effects to be solved by this application more clearly understood, the present application is further described in detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are merely for the purpose of explaining this application and are not intended to limit this application. The methods used in this utility model are conventional methods unless otherwise specified; the raw materials and devices used are conventional commercially available products unless otherwise specified.

[0035] Depend on Figure 1-Figure 5 、 Figure 9 As shown, the present invention provides a food box compartment for an aviation food truck, which is provided with a compartment body, the compartment body including a left side panel 1, a right side panel 2, and a top panel 3. The left side panel 1 and the right side panel 2 are respectively connected to the top panel 3 by mortise and tenon joints. At the mortise and tenon joints, the right-angled protrusion 5 of the left side panel 1 or the right side panel 2 is inserted into the dovetail groove 6 of the top panel 3, forming a nearly triangular limiting groove 10 between the two. The limiting post 4 is inserted into the limiting groove 10. The limiting post 4 limits and fixes the right-angled protrusion 5 in the dovetail groove 6 to prevent the right-angled protrusion 5 from moving within the dovetail groove 6, thereby forming a stable mechanical mechanism and improving its stability in use. Among them, the right-angled protrusion 5 of the left side panel 1 and the right side panel 2 is configured as a right angle, and the dovetail groove 6 of the top panel 3 is configured as a dovetail shape. On the one hand, this facilitates processing and manufacturing, and on the other hand, it facilitates the installation and positioning between the left side panel 1, the right side panel 2 and the top panel 3. In addition, there are many ways to insert the limit column 4 into the limit slot 10, for example, the limit column 4 can be permanently fixed and inserted into the limit slot 10; the limit column 4 can also be removably inserted into the limit slot 10; the lower part of the limit column 4 can also be vertically inserted into the left plate 1 or the right plate 2 located at the bottom of the limit slot 10, etc.

[0036] Depend on Figure 5-Figure 8 As shown, in some embodiments, top panel 3 is preferably connected, from inside to outside, with a first food-grade fiberglass sheet 31, a first PET core assembly, and a first fiberglass 32. The first PET core assembly includes multiple first PET panels 33, with adjacent first PET panels 33 connected by a first I-beam 34. First metal embedded parts 35 are connected within the first PET panels 33. The first food-grade fiberglass sheet 31 is required for storing food; the first PET panels 33 are high-strength and increase the strength of the compartment panel, serving as support; the first fiberglass 32 ensures outer surface flatness; the first I-beam 34 is inserted into the first PET panels 33 to form a single unit, enhancing stability; and the first metal embedded parts 35 increase strength and load-bearing capacity.

[0037] Depend on Figures 9-12As shown, in some embodiments, the left side panel 1 is preferably connected to, from the inside out, a second food-grade fiberglass sheet 11, a second PET core assembly, and a second fiberglass 12. The PET core assembly includes multiple second PET panels 13, with adjacent second PET panels 13 connected by a second I-beam 14. Second metal embedded parts 16 are connected to the second PET panels 13. The second food-grade fiberglass sheet 11 is required for storing food; the second PET panels 13 are high-strength and increase the strength of the compartment panel, serving as support; the second fiberglass 12 ensures outer surface smoothness; the second I-beam 14 is inserted into the second PET panels 13 to form a single unit, enhancing stability; and the second metal embedded parts 16 increase strength and load-bearing capacity.

[0038] Depend on Figure 13-15 As shown, in some embodiments, preferably, the bottom plate 7 of the vehicle body is sequentially connected with a first glass fiber layer 71, a PET core material layer 72, and a second glass fiber layer 73 from the inside to the outside, and a metal frame 74 is embedded in the PET core material layer 72 to reduce weight, lower costs, and increase strength.

[0039] Depend on Figure 16-Figure 18 As shown, in some embodiments, preferably, the left side panel 1 is provided with a side door 15, and the side door 15 is sequentially connected with a third food-grade fiberglass plate 151, a core material assembly, and a third fiberglass 152 from the inside to the outside. The third food-grade fiberglass plate 151 is required for storing food, and the third fiberglass 152 ensures the flatness of the outer surface; the core material assembly includes a wooden board 153 and a third PET board 154. The wooden board 153 is a hollow skeleton structure and serves as an overall support; the third PET board 154 is embedded in the hollow of the wooden board 153 to improve strength.

[0040] In some embodiments, preferably, the right side panel 2 and the left side panel 1 have the same structure to facilitate modular processing.

[0041] Depend on Figure 2 As shown, in some embodiments, preferably, the front panel 8 of the compartment body is made of carbon steel material to ensure the integrity of the frame and increase the strength; the front panel 8 is provided with a front door 81 to facilitate the transportation of food.

[0042] Depend on Figure 1 As shown, in some embodiments, preferably, the rear panel 9 of the compartment body is made of carbon steel material to ensure the integrity of the frame and increase the strength; the rear panel 9 is provided with a rear door 91 to facilitate the transportation of food.

[0043] Depend on Figure 1 、 Figure 2As shown, in some embodiments, preferably, top metal edging is installed at the mortise and tenon joints between the left side panel 1, the right side panel 2, and the top panel 3; bottom metal edging is installed at the mortise and tenon joints between the left side panel 1, the right side panel 2, and the bottom panel 7. The edging can strengthen the connection and enhance the overall aesthetics.

[0044] It should be noted that:

[0045] Existing food containers have large capacity and require airline food trucks for transport. Using conventional mortise and tenon joints for the left and right panels (1), (2), and (3) of the food container would be inconvenient due to the high precision required for the slotting process. Furthermore, the mortise and tenon joints between the left and right panels (1), (2) and (3) and the top panel (3) would be a labor-intensive process, with even the slightest deviation leading to installation failure and significant time and effort. Furthermore, the overall requirements for processing and auxiliary equipment would be high.

[0046] In the present invention, at the mortise and tenon joint, the right-angled protrusion 5 of the left or right panel 1 or 2 is inserted into the dovetail groove 6 of the top panel 3, forming a roughly triangular retaining groove 10 between the two. A retaining post 4 is inserted into the retaining groove 10, which retains the right-angled protrusion 5 within the dovetail groove 6, thereby forming a stable mechanical mechanism and improving its stability in use. On the one hand, the right-angled protrusion 5 of the left or right panel 1 or 2 is easy to manufacture; on the other hand, the right-angled protrusion 5 of the left or right panel 1 or 2 is inserted into the dovetail groove 6 of the top panel 3, and the roughly triangular retaining groove 10 formed between the two serves as an installation buffer space, which provides ample operating space during installation, saving time and effort.

[0047] In summary, the utility model has high practical value and broad market prospects.

[0048] In addition to being made of PET material, the first PET plate 33, the second PET plate 13, and the third PET plate 154 can also be made of other high-strength supporting materials; in addition to being made of PET material, the PET core layer 72 can also be made of other materials that reduce weight, lower costs, and increase strength.

[0049] In the description of the present invention, it should be understood that the terms "left", "right", "up", "down", "top", "bottom", "front", "back", "inside", "outside", "back", "middle", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present invention. It should be noted that in the above-mentioned embodiments, the "first", "second" and "third" mentioned do not represent an absolute distinction in structure and / or function, nor do they represent a sequence of execution, but are merely for the convenience of description.

[0050] The above description is only a preferred embodiment of the present application and is not intended to limit the present application. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present application should be included in the scope of protection of the present application.

Claims

1. A food box compartment for an aviation food vehicle, comprising a compartment body, the compartment body comprising a left side panel (1), a right side panel (2), and a top panel (3), characterized in that: The left side panel (1) and the right side panel (2) are respectively connected to the top panel (3) by mortise and tenon joints; at the mortise and tenon joints, the right-angled protrusion (5) of the left side panel (1) or the right side panel (2) is inserted into the dovetail groove (6) of the top panel (3), forming a nearly triangular limiting groove (10) therebetween, and a limiting column (4) is inserted into the limiting groove (10) to limit and fix the right-angled protrusion (5) in the dovetail groove (6).

2. The food box body for an aviation food vehicle according to claim 1, characterized in that: The top plate (3) is sequentially connected with a first food-grade glass fiber reinforced plastic plate (31), a first PET core material assembly, and a first glass fiber reinforced plastic (32) from the inside to the outside. The first PET core material assembly includes a plurality of first PET plates (33). Two adjacent first PET plates (33) are connected by a first I-beam (34). The first PET plates (33) are internally connected with a first metal embedded part (35).

3. The food box body for an aviation food vehicle according to claim 1, characterized in that: The left side plate (1) is sequentially connected with a second food-grade glass fiber reinforced plastic plate (11), a second PET core material assembly, and a second glass fiber reinforced plastic (12) from the inside to the outside. The PET core material assembly includes a plurality of second PET plates (13). Two adjacent second PET plates (13) are connected by a second I-beam (14). The second PET plates (13) are internally connected with a second metal embedded part (16).

4. The food box body for an aviation food vehicle according to claim 3, characterized in that: The left side panel (1) is provided with a side door (15), and the side door (15) is sequentially connected with a third food-grade glass fiber reinforced plastic plate (151), a core material assembly, and a third glass fiber reinforced plastic (152) from the inside to the outside. The core material assembly includes a wooden board (153) and a third PET board (154). The wooden board (153) is a hollow skeleton structure, and the third PET board (154) is embedded in the hollow of the wooden board (153).

5. The food box body for an aviation food vehicle according to claim 3, characterized in that: The right side plate (2) has the same structure as the left side plate (1).

6. The food box body for an aviation food vehicle according to claim 1, characterized in that: The bottom plate (7) of the compartment body is sequentially connected with a first glass fiber layer (71), a PET core material layer (72), and a second glass fiber layer (73) from the inside to the outside, and a metal frame (74) is embedded in the PET core material layer (72).

7. The food box body for an aviation catering vehicle according to claim 1, characterized in that: The front plate (8) of the compartment body is made of carbon steel material, and the front plate (8) is provided with a front door (81).

8. The food box body for an aviation food vehicle according to claim 1, characterized in that: The rear plate (9) of the compartment body is made of carbon steel material, and the rear plate (9) is provided with a rear door (91).

9. The food box body for an aviation food vehicle according to claim 6, characterized in that: Top metal edgings (101) are installed at the mortise and tenon joints between the left side plate (1), the right side plate (2) and the top plate (3); bottom metal edgings (102) are installed at the mortise and tenon joints between the left side plate (1), the right side plate (2) and the bottom plate (7).