F450 unmanned aerial vehicle arm silica gel convex type hand throwing auxiliary structure
Patent Information
- Application Number
- CN202522200819.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-10-17
- Publication Date
- 2026-10-13
- Estimated Expiration
- 2035-10-17
AI Technical Summary
然而,传统 F450 无人机机臂多采用碳纤维或硬质塑料材质,表面较为光滑,当操作者手心出汗或机臂表面附着灰尘时,极易出现打滑现象,从而造成抛飞角度偏差,甚至导致无人机失控或摔机
1、防滑稳定,本实用新型中硅胶凸块采用半圆形结构设计,并具备较高摩擦系数,可显著提升手抛时的握持稳定性,有效避免因打滑导致的无人机失控或摔机问题,确保飞行安全;
Smart Images

Figure CN224848126U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of unmanned aerial vehicle (UAV) technology, and in particular to a silicone protrusion-type hand-launching auxiliary structure for the arm of an F450 UAV. Background Technology
[0002] Today, drones are increasingly widely used, and the F450 drone, with its stable frame, high load-bearing capacity, and large modification potential, is widely used in scenarios such as field aerial photography, emergency mapping, and scientific research experiments. In actual operation, due to the complex field environment, flat take-off and landing sites are often lacking, and users usually need to hand-launch the drone by holding the middle of the arm with one hand. However, the arms of traditional F450 drones are mostly made of carbon fiber or hard plastic, with a relatively smooth surface. When the operator's palms are sweaty or the arm surface is covered with dust, slippage can easily occur, causing deviations in the launch angle, or even leading to loss of control or crash of the drone.
[0003] Existing improvement solutions, while attempting to add gripping points to the center plate of the fuselage or attach flat anti-slip stickers to the arm surfaces, do not effectively solve the problem. On the one hand, the center plate's location makes hand-throwing operations inconvenient and results in a poor grip experience; on the other hand, the flat stickers offer limited friction and are prone to peeling off in outdoor environments, exhibiting poor durability. Therefore, existing anti-slip improvements remain insufficient in practical use, failing to balance convenience and reliability. Summary of the Invention
[0004] The purpose of this invention is to address the shortcomings of slippage when hand-launching F450 drones in existing technologies, and to propose a silicone protrusion-type hand-launching auxiliary structure for the arm of an F450 drone.
[0005] To achieve the above objectives, the present invention adopts the following technical solution: A silicone protruding hand-launching auxiliary structure for the arms of an F450 drone includes a drone body, with multiple arm bodies detachably mounted around the lower end of the drone body, and a protrusion glued to the middle section of the outer side of each arm body.
[0006] Preferably, the bump is made of soft silicone material, which has the characteristics of high and low temperature resistance, wear resistance and high coefficient of friction.
[0007] Preferably, the bump has a semi-circular design, with a diameter of 10mm and a thickness of 3mm.
[0008] Preferably, the arm body and the protrusion are connected by adhesive backing, which is applied to the side of the arm body and the protrusion that are in contact.
[0009] Preferably, the adhesive backing is made of acrylic foam adhesive with a thickness of 0.8 mm and a diameter consistent with that of the bump.
[0010] Preferably, the arm body has multiple hollowed-out sections to reduce its weight and material usage.
[0011] Compared with the prior art, the advantages of this utility model are: 1. Anti-slip and stable: The silicone bumps in this utility model adopt a semi-circular structure design and have a high coefficient of friction, which can significantly improve the grip stability when throwing by hand, effectively avoid the problem of drone loss of control or crash due to slippage, and ensure flight safety. 2. Easy installation: In this utility model, the protrusion and the arm are fixedly connected by 3M 4910 adhesive. No additional drilling or cutting of the arm structure is required. It can be pasted after cleaning the surface of the arm. The entire installation process can be completed within 1 minute. At the same time, there are no adhesive residues when disassembling, which does not affect the appearance of the machine or subsequent maintenance. 3. Lightweight and non-interference: The weight of a single protrusion in this utility model does not exceed 2g, and the overall weight distribution of the drone arm and the center of gravity of flight have almost no impact. Moreover, the installation position is far away from the blade rotation area, which can avoid interference with flight attitude and airflow and ensure stable flight performance. 4. Durable and reliable: The material selected in this utility model is Shore A70 soft silicone, which has good resistance to high and low temperatures and wear resistance. It can be used stably for more than 6 months in the field environment and is not easy to age or fall off, thus ensuring long-term stable use effect.
[0012] In summary, this utility model significantly improves the anti-slip properties and stability during hand-launching by incorporating silicone protrusions on the drone's arm, avoiding the risk of crashes due to slippage. The adhesive backing allows for quick and easy installation without damaging the drone's structure and allows for seamless disassembly. Each protrusion is lightweight and does not affect the flight center of gravity or propeller operation. The silicone used is resistant to high and low temperatures and wear, and can be used stably for more than six months in outdoor environments, demonstrating excellent practicality and durability. Attached Figure Description
[0013] Figure 1 This is a schematic diagram of the overall structure of a silicone protrusion-type hand-launching auxiliary structure for the arm of an F450 UAV proposed in this utility model. Figure 2 This is an isometric drawing of a silicone protrusion type hand-launching auxiliary structure for the arm of an F450 UAV proposed in this utility model. Figure 3 This is a side view of the arm body of an F450 UAV arm with a silicone protruding hand-launching auxiliary structure proposed in this utility model. In the picture: 1. Drone body, 2. Arm body, 3. Protrusion, 4. Adhesive backing, 5. Hollow out. Detailed Implementation
[0014] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Example
[0015] Reference Figures 1 to 3 A silicone protruding hand-launching auxiliary structure for the arms of an F450 drone includes a drone body 1, which is a common F450 drone. Its specific structural design will not be detailed here. Multiple arm bodies 2 are detachably mounted around the lower perimeter of the drone body 1. A protrusion 3 is mounted on the outer side of the middle section of each arm body 2. The protrusion 3 has a semi-circular design and is made of silicone material. The protrusion 3 is preferably designed with a diameter of 10mm and a thickness of 3mm, but the specific size can be chosen according to actual needs. The silicone material is preferably Shore A70 soft silicone, conforming to the user's hand to increase friction. Shore A70 silicone is resistant to high and low temperatures, wear-resistant, and can be used stably in the field for more than 6 months. The arm bodies 2 and the protrusion 3 are connected by adhesive 4, preferably made of 3M adhesive. The adhesive 4 of 4910 is made of acrylic foam adhesive with a thickness of 0.8mm and a diameter consistent with that of the protrusion 3. It does not fall off in an environment ranging from -20℃ to 60℃. The adhesive 4 is applied to the side surface of the arm body 2 that contacts the protrusion 3, so that the protrusion 3 is fixedly connected to the surface of the arm body 2. The arm body 2 has multiple cutouts 5. The cutout design reduces the weight of the arm body 2 and can also effectively reduce the amount of material used, thereby reducing costs.
[0016] In operation, this invention first uses an injection mold to make multiple semi-circular silicone bumps 3, and then attaches 3M 4910 adhesive 4 to the surface of the bumps 3 near the arm body 2. Next, the operator cleans the surface of the middle section of the arm body 2 (i.e., the position where the bumps 3 need to be installed) with alcohol. Then, the operator peels off the protective film on the surface of the adhesive 4, attaches the bumps 3 to the cleaned middle section of the arm body 2, and presses for 1 minute to ensure that the bumps 3 are stably attached to the surface of the arm body 2. Finally, the operator can throw the drone by holding the arm body 2 and the bumps 3, thus achieving hand-launched takeoff of the drone.
[0017] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.
Claims
1. A silicone protruding hand-launching auxiliary structure for the arm of an F450 UAV, comprising the UAV body (1), characterized in that, Multiple arm bodies (2) are detachably installed around the lower end of the drone body (1), and a protrusion (3) is glued to the middle section of the outer side of the arm body (2).
2. The silicone protruding hand-launching auxiliary structure for the arm of the F450 UAV according to claim 1, characterized in that, The bump (3) is made of soft silicone material and has the characteristics of high and low temperature resistance, wear resistance and high coefficient of friction.
3. The silicone protruding hand-launching auxiliary structure for the F450 UAV arm according to claim 2, characterized in that, The protrusion (3) adopts a semi-circular design, and the diameter of the protrusion (3) is 10mm and the thickness is 3mm.
4. The silicone protruding hand-launching auxiliary structure for the arm of the F450 UAV according to claim 1, characterized in that, The arm body (2) and the protrusion (3) are connected by adhesive backing (4), which is applied to the side surface of the arm body (2) and the protrusion (3) that are in contact.
5. The silicone protruding hand-launching auxiliary structure for the arm of the F450 UAV according to claim 4, characterized in that, The adhesive backing (4) is made of acrylic foam adhesive with a thickness of 0.8 mm and a diameter consistent with that of the protrusion (3).
6. The silicone protruding hand-launching auxiliary structure for the arm of the F450 UAV according to claim 1, characterized in that, The arm body (2) has multiple cutouts (5) to reduce its own weight and reduce the amount of material used.