Composite material light unmanned aerial vehicle shell

By combining an inner shell, foam, aramid paper honeycomb, honeycomb aluminum, and anti-corrosion coating, along with the design of threaded rods and fixing blocks, the problem of excessive drone shell weight is solved, achieving lightweight design and easy disassembly, extending battery life and improving maintenance efficiency.

CN223949386UActive Publication Date: 2026-02-27DONGGUAN HEFENG ELECTRONICS CO LTD
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Patent Information

Application Number
CN202520829730.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-28
Publication Date
2026-02-27
Estimated Expiration
2035-04-28

AI Technical Summary

Technical Problem

Existing lightweight composite material drone casings are too heavy, reducing payload capacity and shortening flight time, thus affecting mission range and duration.

Method used

The design employs a combination of inner shell, foam, aramid paper honeycomb, honeycomb aluminum, outer shell, and anti-corrosion coating, along with threaded rods and fixing blocks, to achieve lightweight and easily disassembled housing connections.

Benefits of technology

It significantly reduces fuselage weight, increases payload capacity, extends flight time, improves flight efficiency, and simplifies maintenance.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of composite material design and manufacturing, and discloses a composite material light unmanned aerial vehicle shell which comprises an inner shell, foam is arranged on the outer wall of the inner shell, an aramid paper honeycomb is arranged on the outer wall of the foam, honeycomb aluminum is arranged on the outer wall of the aramid paper honeycomb, and an outer shell is arranged on the outer wall of the honeycomb aluminum. The outer wall of the shell is provided with an anti-corrosion coating, the anti-corrosion coating and the lower surface of the shell are slidably connected with a base, the outer wall of the anti-corrosion coating is provided with wings, the outer walls of the anti-corrosion coating and the wings are provided with connecting assemblies, and each connecting assembly comprises a connecting plate. According to the utility model, through the mutual cooperation of the anticorrosive coating, the outer shell, the honeycomb aluminum, the aramid paper honeycomb, the foam and the inner shell, the effects that the weight of the shell is obviously reduced while the structural strength is ensured, the effective loading capacity of the unmanned aerial vehicle is favorably improved, the endurance time is prolonged, and the flight efficiency is improved are achieved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the field of composite material design and manufacturing technology, especially to a composite material light unmanned aerial vehicle shell. BACKGROUND

[0002] The composite material light shell can significantly reduce the overall weight of the unmanned aerial vehicle, so that the unmanned aerial vehicle can carry more effective load such as cameras, sensors or other task equipment, after reducing the weight, the unmanned aerial vehicle can fly longer under the same energy consumption, thereby prolonging the endurance time and improving the task execution efficiency, therefore, a composite material light unmanned aerial vehicle shell is required.

[0003] The composite material light unmanned aerial vehicle shell refers to the unmanned aerial vehicle shell made of composite material, which has the characteristics of light weight, high strength, corrosion resistance and the like, in the past technology, the shell is too heavy, which occupies more load capacity of the unmanned aerial vehicle, and also causes the unmanned aerial vehicle to consume more energy during flight, thereby shortening the endurance time and affecting the task execution range and time. SUMMARY

[0004] In order to make up for the above shortcomings, the utility model provides a composite material light unmanned aerial vehicle shell, which aims at improving the problem that the shell is too heavy, which occupies more load capacity of the unmanned aerial vehicle, and also causes the unmanned aerial vehicle to consume more energy during flight, thereby shortening the endurance time and affecting the task execution range and time.

[0005] In order to achieve the above purpose, the utility model provides the following technical scheme: a composite material light unmanned aerial vehicle shell, comprising an inner shell, the outer wall of the inner shell is provided with foam, the outer wall of the foam is provided with aramid paper honeycomb, the outer wall of the aramid paper honeycomb is provided with honeycomb aluminum, the outer wall of the honeycomb aluminum is provided with an outer shell, the outer wall of the outer shell is provided with a corrosion-resistant coating, the lower surface of the corrosion-resistant coating and the outer shell is slidably connected with a base, the outer wall of the corrosion-resistant coating is provided with a wing, the outer walls of the corrosion-resistant coating and the wing are provided with a connecting assembly.

[0006] Preferably, the connecting assembly comprises a connecting plate, the connecting plate is arranged in the outer walls of the corrosion-resistant coating and the wing, and the connecting plate is provided with a reinforcing rib.

[0007] Preferably, the outer wall of the corrosion-resistant coating is fixedly connected with a connecting block, and the lower surface of the connecting block is slidably connected to the upper surface of the base.

[0008] Preferably, the connecting block and the base are both internally threadedly connected with a first threaded rod, and the upper surface of the first threaded rod is fixedly connected with a first fixed block.

[0009] Preferably, the lower surface of the first fixed block is rotatably connected to the upper surface of the connecting block, and the outer wall of the first threaded rod is threadedly connected with a first rotating block, and the upper surface of the first rotating block is rotatably connected to the lower surface of the base.

[0010] Preferably, the inner part of the connecting block and the base is slidably connected with a second threaded rod, and the upper surface of the second threaded rod is fixedly connected with a second fixed block.

[0011] Preferably, the lower surface of the second fixed block is slidably connected to the upper surface of the connecting block, and the outer wall of the second threaded rod is threadedly connected with a second rotating block.

[0012] Preferably, the upper surface of the second rotating block is rotatably connected to the lower surface of the base.

[0013] The utility model has the advantages of the following:

[0014] 1. The utility model discloses a light unmanned aerial vehicle shell of composite material, which comprises a base, a connecting block, a first fixed block, a first threaded rod, a first rotating block, a second fixed block, a second threaded rod and a second rotating block.

[0015] 2. The utility model discloses a light unmanned aerial vehicle shell of composite material, which comprises a base, a connecting block, a first fixed block, a first threaded rod, a first rotating block, a second fixed block, a second threaded rod and a second rotating block. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 A perspective view of a light unmanned aerial vehicle shell of composite material is provided for the utility model;

[0017] Figure 2 A perspective view of a light unmanned aerial vehicle shell of composite material is provided for the utility model;

[0018] Figure 3 A perspective view of a light unmanned aerial vehicle shell of composite material is provided for the utility model;

[0019] Figure 4 A perspective view of a light unmanned aerial vehicle shell of composite material is provided for the utility model; Figure 3 A perspective view of a light unmanned aerial vehicle shell of composite material is provided for the utility model;

[0020] LEGEND:

[0021] 1, anticorrosive coating; 2, outer shell; 3, honeycomb aluminum; 4, aramid paper honeycomb; 5, foam; 6, inner shell; 7, base; 8, connecting plate; 9, reinforcing rib; 10, wing; 11, connecting block; 12, first threaded rod; 13, first fixed block; 14, first rotating block; 15, second threaded rod; 16, second fixed block; 17, second rotating block. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be apparently and completely described below with reference to the drawings in the utility model specification. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by the ordinary skilled in the art without making creative labor belong to the scope of protection of the utility model.

[0023] With reference to Figure 1 and Figure 2 An embodiment provided by the utility model: a composite material light unmanned aerial vehicle shell, the outer wall of inner shell 6 is provided with foam 5, the outer wall of foam 5 is provided with aramid paper honeycomb 4, the outer wall of aramid paper honeycomb 4 is provided with honeycomb aluminum 3, the outer wall of honeycomb aluminum 3 is provided with outer shell 2, the outer wall of outer shell 2 is provided with anticorrosive coating 1, the lower surface of anticorrosive coating 1 and outer shell 2 is slidably connected with base 7, the outer wall of anticorrosive coating 1 is provided with wing 10, the outer wall of anticorrosive coating 1 and wing 10 is provided with connecting assembly, and connecting assembly includes connecting plate 8, the inside of connecting plate 8 is arranged on the outer wall of anticorrosive coating 1 and wing 10, and the inside of connecting plate 8 is provided with reinforcing rib 9.

[0024] Specifically, outer shell 2 and inner shell 6 usually adopt carbon fiber, glass fiber or other high-performance fiber reinforced composite material prepreg, bear tensile, compression and bending load, provide structural strength and rigidity, and are light in quality, high in strength, corrosion resistant, the thickness and rigidity of structure are increased by setting honeycomb aluminum 3, aramid paper honeycomb 4 and foam 5 between outer shell 2 and inner shell 6, weight is reduced at the same time, excellent shear resistance and compression resistance are provided, load is dispersed, and the stability of overall structure is improved, the local strength and rigidity are improved by increasing connecting plate 8 and reinforcing rib 9 between the shell and wing 10, the surface of shell is protected from environmental erosion by setting anticorrosive coating 1 on the outer wall of outer shell 2, and the service life is prolonged.

[0025] With reference to Figure 3 and Figure 4The outer wall of the anticorrosive coating 1 is fixedly connected with a connecting block 11, the lower surface of the connecting block 11 is slidably connected with the upper surface of the base 7, the interiors of the connecting block 11 and the base 7 are threadedly connected with first threaded rods 12, the upper surfaces of the first threaded rods 12 are fixedly connected with first fixed blocks 13, the lower surfaces of the first fixed blocks 13 are rotatably connected with the upper surfaces of the connecting block 11, and the outer walls of the first threaded rods 12 are threadedly connected with first rotating blocks 14, and the upper surfaces of the first rotating blocks 14 are rotatably connected with the lower surfaces of the base 7.

[0026] Specifically, the first rotating block 14 is driven to rotate on the outer wall of the first threaded rod 12, and then the first fixed block 13 is driven to rotate in the interiors of the base 7 and the connecting block 11, so as to take out the first threaded rod 12, the first fixed block 13 and the first rotating block 14, and the mutual cooperation among the first threaded rod 12, the first fixed block 13 and the first rotating block 14 fixes the connecting block 11 and the base 7.

[0027] Referring to Figure 4 The interiors of the connecting block 11 and the base 7 are slidably connected with second threaded rods 15, the upper surfaces of the second threaded rods 15 are fixedly connected with second fixed blocks 16, the lower surfaces of the second fixed blocks 16 are slidably connected with the upper surfaces of the connecting block 11, and the outer walls of the second threaded rods 15 are threadedly connected with second rotating blocks 17, and the upper surfaces of the second rotating blocks 17 are rotatably connected with the lower surfaces of the base 7.

[0028] Specifically, the second rotating block 17 is driven to rotate on the outer wall of the second threaded rod 15, and then the second threaded rod 15 is driven to slide in the interiors of the base 7 and the connecting block 11, so as to take out the second fixed block 16, the second threaded rod 15 and the second rotating block 17, and the mutual cooperation among the second fixed block 16, the second threaded rod 15 and the second rotating block 17 fixes the connecting block 11 and the base 7.

[0029] Working principle: when the shell is needed to be used, the thickness and rigidity of the structure are increased and the weight is reduced by the cellular aluminum 3, the aramid paper honeycomb 4 and the foam 5 located between the outer shell 2 and the inner shell 6, the local strength and rigidity are improved by the reinforcing ribs 9 in the interiors of the connecting plates 8, the structural performance is optimized, the outer shell 2 and the wing 10 are connected together by the connecting block 11, which has high strength, corrosion resistance and good connecting performance, and ensures the reliability and durability of the connection.

[0030] By driving the first rotating block 14 to rotate on the outer wall of the first threaded rod 12, and then driving the first fixed block 13 to rotate in the interior of the base 7 and the connecting block 11, the first threaded rod 12, the first fixed block 13 and the first rotating block 14 are taken out, at the same time, by driving the second rotating block 17 to rotate on the outer wall of the second threaded rod 15, and then driving the second threaded rod 15 to slide in the interior of the base 7 and the connecting block 11, the second fixed block 16, the second threaded rod 15 and the second rotating block 17 are taken out, and then the machine shell and the base 7 can be quickly disassembled, the machine shell not only can significantly reduce the weight of the machine shell while ensuring the structural strength, but also can help to improve the payload capacity of the unmanned aerial vehicle, prolong the endurance time, improve the flight efficiency, make the maintenance of the machine shell become easier, and the maintenance personnel can quickly disassemble the machine shell, check, repair or replace the internal components, without spending a lot of time in the complex disassembly process.

[0031] Finally, it should be noted that: the above only for the preferred embodiments of the utility model, and does not limit the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part of technical features, any modification, equivalent replacement, improvement etc. made within the spirit and principles of the utility model, should be included in the protection scope of the utility model.

Claims

1. A lightweight composite material unmanned aerial vehicle (UAV) casing, comprising an inner shell (6), characterized in that: The outer wall of the inner shell (6) is provided with foam (5), the outer wall of the foam (5) is provided with aramid paper honeycomb (4), the outer wall of the aramid paper honeycomb (4) is provided with honeycomb aluminum (3), the outer wall of the honeycomb aluminum (3) is provided with an outer shell (2), the outer wall of the outer shell (2) is provided with an anti-corrosion coating (1), the lower surface of the anti-corrosion coating (1) and the outer shell (2) is slidably connected with a base (7), the outer wall of the anti-corrosion coating (1) is provided with an wing (10), and the outer walls of the anti-corrosion coating (1) and the wing (10) are both provided with connecting components.

2. The lightweight composite material unmanned aerial vehicle (UAV) casing according to claim 1, characterized in that: The connecting assembly includes a connecting plate (8), the interior of which is disposed on the outer wall of the anti-corrosion coating (1) and the wing (10), and the interior of the connecting plate (8) is provided with reinforcing ribs (9).

3. The composite material lightweight unmanned aerial vehicle (UAV) casing according to claim 1, characterized in that: The outer wall of the anti-corrosion coating (1) is fixedly connected to a connecting block (11), and the lower surface of the connecting block (11) is slidably connected to the upper surface of the base (7).

4. The composite material lightweight unmanned aerial vehicle casing according to claim 3, characterized in that: The connecting block (11) and the base (7) are both threaded with a first threaded rod (12), and a first fixing block (13) is fixedly connected to the upper surface of the first threaded rod (12).

5. A lightweight composite material unmanned aerial vehicle (UAV) casing according to claim 4, characterized in that: The lower surface of the first fixed block (13) is rotatably connected to the upper surface of the connecting block (11), and the outer wall of the first threaded rod (12) is threadedly connected to the first rotating block (14), and the upper surface of the first rotating block (14) is rotatably connected to the lower surface of the base (7).

6. The composite material lightweight unmanned aerial vehicle casing according to claim 5, characterized in that: The connecting block (11) and the base (7) are both slidably connected with a second threaded rod (15), and a second fixing block (16) is fixedly connected to the upper surface of the second threaded rod (15).

7. A lightweight composite material unmanned aerial vehicle (UAV) casing according to claim 6, characterized in that: The lower surface of the second fixing block (16) is slidably connected to the upper surface of the connecting block (11), and the outer wall of the second threaded rod (15) is threadedly connected to the second rotating block (17).

8. The composite material lightweight unmanned aerial vehicle casing according to claim 7, characterized in that: The upper surface of the second rotating block (17) is rotatably connected to the lower surface of the base (7).