An aviation goods box structure

Abstract

This utility model relates to an aviation cargo box structure, including a cargo box, a door panel, a lock box assembly, and a latch assembly. An inner cavity is formed inside the cargo box, and several strip-shaped protrusions are evenly distributed along the left-right direction at the top and bottom of the inner cavity. A partition is detachably installed between two corresponding strip-shaped protrusions. The lock box assembly is installed at the bottom of the door panel, and a latch assembly compatible with the lock box assembly is installed on the bottom left side of the front frame. This utility model uses a front frame design to connect the door panel to the front frame via hinges, rigidly fixing the front frame to the cargo box. This improves the assembly accuracy and connection strength between the door panel and the box body, reduces loosening issues after long-term use, and enhances sealing performance.

Description

Technical Field

[0001] This utility model relates to the technical field of aviation supplies, and in particular to a structure for an aviation goods box. Background Technology

[0002] During flights, insulated meal crates are primarily used for short-term storage of food that needs to be kept at a certain temperature. With increasingly sophisticated cabin services, airlines are adopting these crates for more and more food items requiring insulation.

[0003] A search revealed Chinese Patent Publication No. CN218520043U, which discloses a novel insulated food box. The box includes a body with inner frames on all four sides of the opening. Each of the four inner frames has an outer frame on its outer side. One of the outer frames has a pivot connected to a cover plate. The outer side of the cover plate has a handle and a lock. The inner frame furthest from the pivot is connected to a latch that engages with the lock. The side of the inner frame furthest from the outer frame has a first groove containing a sealing strip. The inner and outer frames are connected using countersunk head rivets. The box consists of an outer panel, an insulation foam board, and an inner liner, arranged from the outside in. The cover consists of a door panel, an insulation foam board, and a door cover, arranged from the outside in. The door panel and door cover are connected using countersunk head screws.

[0004] The existing cabinet door panels are directly installed on the front top of the cabinet via hinges, without a separate front frame structure. This direct connection method may result in low assembly precision between the door panel and the cabinet, and after long-term use, problems such as door panel loosening and decreased sealing performance may occur, leading to insufficient overall structural stability.

[0005] In view of the above-mentioned shortcomings, the designer actively researched and innovated in order to create an aviation cargo box structure that would have greater industrial value. Utility Model Content

[0006] To solve the above-mentioned technical problems, the purpose of this utility model is to provide an aviation cargo box structure.

[0007] To achieve the above objectives, the present invention adopts the following technical solution: An aviation cargo box structure includes a cargo box, a door panel, a lock box assembly, and a lock tongue assembly; A front frame is installed on the left side of the item box, and the top of the door panel is connected to the top of the front frame via a hinge. The item box has an inner cavity. Several strip-shaped protrusions are evenly distributed along the left and right direction at the top and bottom of the inner cavity. A partition is detachably installed between two corresponding strip-shaped protrusions. A lock box assembly is installed at the bottom of the door panel, and a latch assembly that is compatible with the lock box assembly is installed at the bottom left side of the front frame. The lock box assembly includes a lock box front cover installed on the left side of the door panel and a lock box rear cover installed on the right side of the door panel. A rotary switch is installed on the lock box front cover, and a lock hook is installed to the right of the rotary switch. The lock tongue assembly includes a lock tongue body installed at the bottom of the front frame. A first lock tongue is provided on the rear side of the lock tongue body, and a second lock tongue is provided on the front side of the lock tongue body. The first lock tongue can be engaged in a first through hole at the bottom of the door panel. A lock hole is provided on the front side of the second lock tongue. The second lock tongue can be engaged in a second through hole at the bottom of the lock box rear cover, and then the lock hook is locked in the lock hole.

[0008] As a further improvement of this utility model, a door handle is installed in the middle of the door panel, and a box handle is installed in the middle of the right side of the box.

[0009] As a further improvement of this utility model, a card clip is also installed in the middle of the door panel.

[0010] As a further improvement of this utility model, the partition is slidably mounted on the strip-shaped protrusion in the left-right direction.

[0011] As a further improvement of this utility model, a sliding groove distributed along the left and right direction is provided on the strip-shaped protrusion, and a slider distributed along the left and right direction is provided on the partition plate, with the slider installed in the sliding groove along the left and right direction.

[0012] As a further improvement of this utility model, a limiting block is provided on the right side of the rotary switch, and an arc-shaped limiting groove is provided on the right side of the lock box front cover, allowing the limiting block to move freely within the limiting groove.

[0013] As a further improvement of this utility model, an anti-collision block mounting groove is provided in the middle of the left side of the lock tongue body, and an anti-collision block is installed in the anti-collision block mounting groove.

[0014] As a further improvement of this utility model, the anti-collision block is a silicone block or a rubber block.

[0015] As a further improvement of this utility model, both the item box and the door panel include, from the outside to the inside, an aluminum alloy sheet and a thermal insulation foam board.

[0016] By means of the above solution, this utility model has at least the following advantages: This utility model uses a front frame to connect the door panel to the front frame via hinges, and the front frame is rigidly fixed to the box, which improves the assembly accuracy and connection strength between the door panel and the box, reduces the loosening problem after long-term use, and enhances the sealing performance.

[0017] This utility model uses a rigid locking method with a lock hook and a lock hole. After the second lock tongue is engaged with the second through hole in the back cover of the lock box, the lock hook is directly engaged with the lock hole, avoiding the risk of failure caused by spring fatigue and significantly improving the stability of the lock.

[0018] This utility model utilizes a sliding structure of strip-shaped protrusion groove and partition slider, allowing the partition to be freely adjusted in the left and right directions, achieving stepless adaptation of area size. It can flexibly divide the internal cavity space according to different specifications of aviation items, thus having a wider range of applications.

[0019] The above description is only an overview of the technical solution of this utility model. In order to better understand the technical means of this utility model and to implement it in accordance with the contents of the specification, the following are the preferred embodiments of this utility model and are described in detail with reference to the accompanying drawings. Attached Figure Description

[0020] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of this utility model and should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can be obtained based on these drawings without creative effort.

[0021] Figure 1 This is a structural schematic diagram of an aviation cargo box according to the present invention; Figure 2 yes Figure 1 A structural diagram after the door panel has been removed. Figure 3 Is Figure 2 A schematic diagram of the partition being installed in the middle; Figure 4 yes Figure 1 Structural diagram of the middle door panel; Figure 5 yes Figure 4 Schematic diagram of the central locking box assembly; Figure 6 yes Figure 5 A structural diagram of the other side; Figure 7 yes Figure 6 A schematic diagram of the structure after removing the back cover of the lock box; Figure 8 yes Figure 1 A schematic diagram of the middle locking tongue assembly.

[0022] The meanings of the labels in the figures are as follows.

[0023] Item box 1, front frame 2, hinge 3, door panel 4, door panel handle 5, card holder 6, lock box assembly 7, lock tongue assembly 8, item box handle 9, item box inner cavity 10, strip-shaped protrusion 11, partition 12, first through hole 13, lock box front cover 14, rotary switch 15, lock box rear cover 16, lock hook 17, second through hole 18, limit block 19, limit groove 20, lock tongue body 21, first lock tongue 22, second lock tongue 23, lock hole 24, anti-collision block mounting groove 25, anti-collision block 26. Detailed Implementation

[0024] The specific embodiments of this utility model will be further described in detail below with reference to the accompanying drawings and examples. The following examples are used to illustrate this utility model, but are not intended to limit the scope of this utility model.

[0025] To enable those skilled in the art to better understand the present invention, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all of them. The components of the embodiments of the present invention described and shown in the accompanying drawings can generally be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the present invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without inventive effort are within the scope of protection of the present invention.

[0026] The first embodiment of this utility model: like Figures 1-8 As shown, this embodiment of an aviation cargo box structure mainly includes a cargo box 1, a door panel 4, a lock box assembly 7, and a lock tongue assembly 8. A card holder 6 is also installed in the middle of the door panel 4. A door handle 5 is installed in the middle of the door panel 4, and a cargo box handle 9 is installed in the middle of the right side of the cargo box 1. Both the cargo box 1 and the door panel 4 consist of an aluminum alloy sheet and an insulating foam board from the outside to the inside.

[0027] An inner cavity 10 is provided inside the item box 1. Several strip-shaped protrusions 11 are evenly distributed along the left and right directions at the top and bottom of the inner cavity 10. A partition 12 is detachably installed between two corresponding strip-shaped protrusions 11. The partition 12 is slidably installed on the strip-shaped protrusions 11 along the left and right directions.

[0028] The strip-shaped protrusion 11 has a sliding groove distributed along the left and right direction, and the partition 12 has a slider distributed along the left and right direction, which is installed in the sliding groove along the left and right direction.

[0029] Through the sliding structure of strip-shaped protrusion groove and partition slider, the partition can be freely adjusted in the left and right directions to achieve stepless adaptation of area size. It can flexibly divide the internal cavity space according to different specifications of aviation items, and has a wider range of applications.

[0030] A front frame 2 is installed on the left side of the storage box 1. The top of the door panel 4 is connected to the top of the front frame 2 via a hinge 3. The door panel 4 is mounted on the top left side of the front frame 2 with a flip-up design. The independent front frame allows the door panel to be connected to the front frame via a hinge, and the front frame is rigidly fixed to the storage box. This improves the assembly accuracy and connection strength between the door panel and the box body, reduces loosening problems after long-term use, and enhances the sealing performance.

[0031] A lock box assembly 7 is installed at the bottom of the door panel 4, and a lock tongue assembly 8 adapted to the lock box assembly 7 is installed at the bottom left side of the front frame 2.

[0032] The lock box assembly 7 includes a lock box front cover 14 installed on the left side of the door panel 4 and a lock box rear cover 16 installed on the right side of the door panel 4. A rotary switch 15 is installed on the lock box front cover 14, and a lock hook 17 is installed on the right side of the rotary switch 15. The lock tongue assembly 8 includes a lock tongue body 21 installed at the bottom of the front frame 2. A first lock tongue 22 is provided on the rear side of the lock tongue body 21, and a second lock tongue 23 is provided on the front side of the lock tongue body 21. The first lock tongue 22 can be engaged in the first through hole 13 at the bottom of the door panel 4. A lock hole 24 is provided on the front side of the second lock tongue 23. The second lock tongue 23 can be engaged in the second through hole 18 at the bottom of the lock box rear cover 16, and then the lock hook 17 is locked in the lock hole 24.

[0033] By using a rigid locking mechanism with a hook and latch, the second latch engages with the second through hole in the lock box cover, and the hook directly engages with the lock hole, thus avoiding the risk of failure due to spring fatigue and significantly improving the stability of the lock.

[0034] A limiting block 19 is provided on the right side of the rotary switch 15, and an arc-shaped limiting groove 20 is provided on the right side of the lock box front cover 14. The limiting block 19 can move freely within the limiting groove 20. The limiting block of the rotary switch cooperates with the arc-shaped limiting groove of the lock box front cover to strictly limit the rotation angle (such as 90°-180°), avoid excessive operation that may cause damage to components, and extend the service life of the lock.

[0035] A bumper mounting groove 25 is provided on the middle left side of the latch body 21. A bumper 26, which is made of silicone or rubber, is installed in the bumper mounting groove 25. When the door is closed, the bumper contacts the door panel first, buffering rigid impact, reducing component wear, reducing noise, and significantly improving the durability of the equipment.

[0036] The second embodiment of this utility model: This embodiment discloses an aviation goods box structure, which is suitable for the storage and protection of precision instruments, tools or spare parts in air transport scenarios. The specific structure is as follows: 1. Overall structural composition like Figure 1 and Figure 2 The aviation cargo box includes a cargo box 1, a front frame 2, a hinge 3, a door panel 4, a door panel handle 5, a card holder 6, a lock box assembly 7, a lock tongue assembly 8, and a cargo box handle 9; wherein: The item box 1 has a rectangular structure and is made of a composite of 1.5mm thick aluminum alloy sheet and 20mm thick polyurethane insulation foam board from the outside to the inside, which has lightweight and thermal insulation properties.

[0037] The front frame 2 is made of the same aluminum alloy as the storage box, and has a rectangular frame structure. The frame width is adapted to the thickness of the left edge of the storage box (e.g., 50-80mm), ensuring a close fit. The front frame and the storage box form an integrated support structure, providing a stable installation reference for the door hinges, while also enhancing the structural strength of the left edge of the storage box.

[0038] The door panel 4 is sized to fit the opening on the left side of the storage box 1, and the top is hinged to the top of the front frame 2 via a stainless steel hinge 3, allowing it to rotate from 0 to 180°.

[0039] Both the door handle 5 and the storage box handle 9 are made of ABS material with a U-shaped structure (load-bearing capacity ≥50kg), and are installed in the middle of the door panel 4 and the middle of the right side of the storage box 1, respectively.

[0040] The card holder 6 is a transparent PC material U-shaped groove (to hold labels) and is fixed above the door handle 5.

[0041] 2. Core Functional Structure Details (1) Internal cavity partitioning structure like Figure 3 The top and bottom of the inner cavity 10 of the item box have four strip-shaped protrusions 11 (spaced 100mm apart) evenly distributed in the left and right directions.

[0042] The strip-shaped protrusion 11 can be a T-shaped aluminum alloy structure (18mm high) with an 8mm wide groove on the inner side.

[0043] It comes with 3 partition plates 12 (2mm thick aluminum alloy), and T-shaped sliders (0.8mm gap) that are adapted to the slide groove on the upper and lower edges. They can be slidable and adjusted in the left and right directions to achieve stepless adjustment of the partition size within the range of 100-700mm.

[0044] (2) Locking mechanism like Figures 4-7Lock box assembly 7: It consists of a front cover 14 (ABS material) and a back cover 16 (ABS material), which are fixed to the bottom of the door panel 4 by 4 self-tapping screws; the front cover is equipped with a rotary switch 15 with anti-slip texture and an integrally formed lock hook 17 on the right side; a cylindrical limit block 19 is provided on the right side of the rotary switch, which cooperates with the arc-shaped limit groove 20 of the front cover to limit the rotation angle.

[0045] like Figure 8 Lock tongue assembly 8: The aluminum alloy lock tongue body 21 is fixed to the bottom of the front frame 2 by two M4 bolts. An L-shaped first lock tongue 22 is provided on the rear side, which is interference-fitted with the first through hole 13 at the bottom of the door panel 4. A rectangular second lock tongue 23 is provided on the front side, with a lock hole 24 at the front end, which is clearance-fitted with the second through hole 18 on the back cover of the lock box.

[0046] (3) Collision protection structure A groove 25 for mounting a bumper block is provided on the middle left side of the latch body 21, and a silicone bumper block 26 with a Shore hardness of 60 (protruding 2.5mm from the surface of the body) is embedded in it, so that the impact force is buffered ≤8N when the door is closed.

[0047] 3. Work Process Description (1) Unpacking operation Hold the door handle 5 and rotate the rotary switch 15 of the lock box assembly 7 clockwise (the limit block 19 slides along the limit groove 20 to the end point). Rotating the switch causes the lock hook 17 to disengage from the lock hole 24 of the second lock tongue 23, thus releasing the lock; Flip the door panel 4 outwards, and the first latch 22 disengages from the first through hole 13 of the door panel 4. The door panel rotates around the hinge 3 until it is fully open (it can be flipped 180° to fit snugly against the side of the box).

[0048] (2) Item placement and zoning adjustment According to the size of the item, slide the partition 12 left and right along the groove of the strip protrusion 11 to adjust the width of the partition; The partition slider and the slide groove are fitted with a clearance, allowing for smooth sliding without any shaking. After determining the position, items can be placed directly (the partition can bear a weight of ≥10kg). If you need to add or remove the number of partitions, you can directly insert or remove the partition (take it out along the front and back direction or insert it into the slot).

[0049] (3) Closing and locking the box The door panel 4 is flipped in the opposite direction to fit the front frame 2; at this time, the first lock tongue 22 automatically engages with the first through hole 13 of the door panel 4 to achieve initial positioning. The second latch 23 passes through the second through hole 18 of the lock box back cover 16, and the anti-collision block 26 contacts the door panel 4 to buffer and reduce collision noise. Rotate the rotary switch 15 counterclockwise (90°), and the locking hook 17 engages with the lock hole 24 of the second locking tongue 23 to complete rigid locking (locking force ≥50N). Insert the item tag into card holder 6 to complete the operation.

[0050] (4) Handling and labeling The entire box can be moved using the box handle 9, or the door can be lifted individually using the door handle 5 (when locked). The tags inside the card holder 6 can quickly identify the contents of the box, meeting the standardized management requirements of air transport.

[0051] This embodiment achieves flexibility, safety, and convenience in the storage of aviation goods through modular design and precise fit structure. The parametric design of each component ensures structural stability and sufficient patent protection.

[0052] In the description of this utility model, it should be understood that the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicating orientation or positional relationships, are based on the orientation or positional relationships shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first," "second," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implying the number of indicated technical features. Thus, features defined with "first," "second," etc., may explicitly or implicitly include one or more of that feature. In the description of this utility model, unless otherwise stated, "a plurality of" means two or more.

[0053] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0054] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the technical principles of the present utility model, and these improvements and modifications should also be considered within the protection scope of the present utility model.

Claims

1. An aviation cargo box structure, comprising a cargo box (1), a door panel (4), a lock box assembly (7), and a lock tongue assembly (8). Its features are: A front frame (2) is installed on the left side of the item box (1), and the top of the door panel (4) is connected to the top of the front frame (2) by a hinge (3); An inner cavity (10) is provided inside the item box (1). Several strip-shaped protrusions (11) are evenly distributed along the left and right directions at the top and bottom of the inner cavity (10). A partition (12) is detachably installed between two corresponding strip-shaped protrusions (11). A lock box assembly (7) is installed at the bottom of the door panel (4), and a lock tongue assembly (8) adapted to the lock box assembly (7) is installed at the bottom left side of the front frame (2). The lock box assembly (7) includes a lock box front cover (14) installed on the left side of the door panel (4) and a lock box rear cover (16) installed on the right side of the door panel (4). A rotary switch (15) is installed on the lock box front cover (14), and a lock hook (17) is installed on the right side of the rotary switch (15). The lock tongue assembly (8) includes a lock tongue body (21) installed at the bottom of the front frame (2). A first lock tongue (22) is provided on the rear side of the lock tongue body (21), and a second lock tongue (23) is provided on the front side of the lock tongue body (21). The first lock tongue (22) can be engaged in the first through hole (13) at the bottom of the door panel (4). A lock hole (24) is provided on the front side of the second lock tongue (23). The second lock tongue (23) can be engaged in the second through hole (18) at the bottom of the lock box rear cover (16) and then the lock hook (17) is locked in the lock hole (24).

2. The structure of an aviation cargo box as described in claim 1, characterized in that, A door handle (5) is installed in the middle of the door panel (4), and a box handle (9) is installed in the middle of the right side of the box (1).

3. The aviation cargo box structure as described in claim 1, characterized in that, A card holder (6) is also installed in the middle of the door panel (4).

4. The structure of an aviation cargo box as described in claim 1, characterized in that, The partition (12) is slidably mounted on the strip-shaped protrusion (11) in the left-right direction.

5. The structure of an aviation cargo box as described in claim 4, characterized in that, A groove is provided on the strip-shaped protrusion (11) and distributed in the left-right direction. A slider is provided on the partition plate (12) and distributed in the left-right direction. The slider is installed in the groove in the left-right direction.

6. The structure of an aviation cargo box as described in claim 1, characterized in that, A limiting block (19) is provided on the right side of the rotary switch (15), and an arc-shaped limiting groove (20) is provided on the right side of the lock box front cover (14). The limiting block (19) can move freely in the limiting groove (20).

7. The structure of an aviation cargo box as described in claim 1, characterized in that, A bumper mounting groove (25) is provided in the middle left side of the latch body (21), and a bumper (26) is installed in the bumper mounting groove (25).

8. The structure of an aviation cargo box as described in claim 7, characterized in that, The anti-collision block (26) is a silicone block or a rubber block.

9. The structure of an aviation cargo box as described in claim 1, characterized in that, The item box (1) and the door panel (4) both consist of an aluminum alloy sheet and an insulating foam board from the outside to the inside.

Images