Lightweight high-strength protective unmanned aerial vehicle frame
By using high-strength carbon fiber materials, an inverted structure, silicone molds, and a tripod design for the drone frame, the problem of weight and strength imbalance was solved, improving the drone's flight efficiency and stability, protecting signal lines, and extending its service life.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-13
- Publication Date
- 2026-03-24
AI Technical Summary
Existing drone frames cannot achieve the optimal balance between weight and strength in terms of material selection, and signal lines are prone to wear or cutting, increasing the risk of failure.
The frame body is made of high-strength carbon fiber material, and the inner cavity surface is covered with a silicone mold. The inner cavity is equipped with an inverted structure and a tripod to enhance strength. Pre-drilled mounting holes are provided for mounting accessories, and the arm connection holes are designed for a secure connection.
Achieving a lightweight yet high-strength frame design improves flight efficiency and stability, protects signal lines, extends flight time, and ensures the proper functioning of accessories.
Smart Images

Figure CN224029254U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to an unmanned plane technical field especially relates to a light weight high strength protection type unmanned plane rack. BACKGROUND
[0002] An unmanned plane is a kind of flight equipment that can execute multiple tasks without the direct operation of a pilot. It is controlled by remote control or pre-programmed automatic flight system, and is widely used in agriculture, photography, surveying and mapping, monitoring and other fields. For example, in agricultural production, unmanned planes can accurately monitor crop growth conditions and soil moisture, and improve crop yield. In terms of film and television production, they can capture unique high-altitude perspectives, adding visual impact to works. In addition, unmanned planes also play an important role in emergency rescue operations, such as quickly reconnaissance disaster sites to help locate survivors. With the progress of technology, unmanned planes not only become more intelligent and efficient, but also expand their application range to emerging fields such as logistics distribution and environmental monitoring. The development of unmanned planes is gradually changing the way we deal with complex problems and providing more flexible and diverse solutions.
[0003] With the wide application of unmanned planes in agricultural monitoring, environmental research, logistics distribution, security monitoring and other fields, the requirements for the performance of unmanned planes are also increasing. However, there are some significant problems in the design of most unmanned plane racks on the market, such as the selection of manufacturing materials. Many racks use metal or plastic materials, which can meet the basic requirements, but cannot achieve the optimal balance in terms of weight and strength. Moreover, the traditional internal cavity design of the rack does not fully consider how to protect the fragile but crucial signal lines of accessories (sensors, cameras), which increases the risk of internal component failure during assembly.
[0004] Therefore, it is necessary to propose a new technical solution to solve the above problems. UTILITY MODEL CONTENT
[0005] The utility model aims at providing a technical solution that can solve the above problems.
[0006] To achieve the above purpose, the utility model provides the following technical solution: a light weight high strength protection type unmanned plane rack, comprising a rack body, the rack body is made of high-strength carbon fiber material, the rack body has an internal cavity, the internal cavity has an opening connected to the outside, the edge of the opening and the inner wall of the internal cavity form a mounting edge, the mounting edge has a plurality of mounting holes;
[0007] The four corners of the rack body form a chamfered edge one, and a machine arm connecting hole is arranged on each of the four chamfered edges one;
[0008] The overall downward concave installation edge makes the inner top of the inner cavity form an undercut structure, and the inner wall surface of the inner cavity is provided with a silica gel mold.
[0009] As a further scheme of the utility model, the inner cavity inner side wall is provided with a tripod, one side of the tripod is connected with the inner cavity, and the other side is connected with the bottom wall of the installation edge.
[0010] Among them, the tripod has a plurality of distribution between two installation holes.
[0011] As a further scheme of the utility model, the installation edge comprises four straight edges and four chamfered edges two matched with the chamfered edges one.
[0012] The installation hole has at least 16, including 12 straight edge holes distributed on the four straight edges and chamfered edge holes distributed on the four chamfered edges two.
[0013] The tripod has at least 12, which is located between two straight edge holes on each straight edge, which is a tripod one, and which is located between the straight edge hole and the chamfered edge hole, which is a tripod two, wherein the top end of the tripod two is provided with a widened part close to the chamfered edge hole one side.
[0014] As a further scheme of the utility model, the inner side angle direction of the tripod is provided with a triangular supporting block.
[0015] As a further scheme of the utility model, the arm connecting hole edge extends outwardly with an arm connecting sleeve.
[0016] As a further scheme of the utility model, the silica gel mold is formed by silica gel air pressure and is cut according to the shape of the inner cavity.
[0017] Compared with the prior art, the beneficial effects of the technical scheme are that the overall high-strength carbon fiber material is made to make the rack body have the characteristics of light weight and high strength, which not only ensures the structural strength, but also reduces the overall weight, improves the flight efficiency, prolongs the flight time, and ensures that the unmanned aerial vehicle has sufficient load capacity.
[0018] The installation edge is provided with a plurality of installation holes, which can realize flexible installation of various sensors, cameras and other accessories, meet diversified application requirements, and form chamfered edges one at four corners, so that the four corners of the rack body tend to be flat, and the stable connection between the arm connecting hole on the chamfered edge one and the rack body is more convenient, and the flight stability is improved.
[0019] The downward concave installation edge makes the top plate edge of the inner cavity form an undercut structure, the formation of the undercut structure enhances the overall strength of the installation edge, improves the tensile resistance of the installation edge, improves the load of the installation edge, and avoids deformation when the number of installed accessories is large.
[0020] And the inner wall surface of the inner cavity is covered with a layer of silica gel mold, so that the bending part of the inner cavity is kept soft and smooth, the sharp edges are eliminated, the signal line of the accessory is prevented from being cut, the safety of the signal line inside the unmanned aerial vehicle is effectively protected, and the accessory of the unmanned aerial vehicle can be normally used.
[0021] The strength of the mounting edge is further improved by the addition of the triangular supports, and the triangular supports are connected to the inner wall of the inner cavity and the bottom wall of the mounting edge on both sides, so that the triangular supports are distributed between the two mounting holes, and the effect of uniform support is achieved without affecting the installation of the accessory.
[0022] The additional aspects and advantages of the present application will be partially given in the following description, and some will become apparent from the following description, or be understood by those skilled in the art through the practice of the present application. BRIEF DESCRIPTION OF DRAWINGS
[0023] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and those skilled in the art can obtain other drawings according to these drawings without creative labor.
[0024] Fig. 1 It is a schematic diagram of the overall structure of the present application;
[0025] Fig. 2 It is a schematic diagram of the cross-sectional structure of the present application;
[0026] Fig. 3 It is a schematic diagram of the structure of the triangular support of the present application;
[0027] The corresponding reference signs in the drawings are explained as follows:
[0028] 1, rack body; 2, inner cavity; 3, opening; 4, mounting edge; 41, straight edge; 42, chamfered edge two; 5, mounting hole; 51, straight hole; 52, chamfered hole; 6, chamfered edge one; 7, arm connecting hole; 8, undercut structure; 9, silica gel mold; 10, triangular support; 11, triangular support one; 12, triangular support two; 121, widened part; 13, triangular support block; 14, arm connecting sleeve. DETAILED DESCRIPTION
[0029] Clearly, the described embodiments are merely a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.
[0030] Please refer to Figs. 1-3 A light high-strength protective unmanned aerial vehicle frame, comprising a frame body 1, the frame body 1 is made of high-strength carbon fiber material, the frame body 1 has an inner cavity 2, the inner cavity 2 has an opening 3 connected with the outside, the edge of the opening 3 and the inner wall of the inner cavity 2 form a mounting edge 4, the mounting edge 4 has a plurality of mounting holes 5;
[0031] The frame body 1 forms a chamfered edge one 6 at the four corners, and the four chamfered edges one 6 are provided with arm connecting holes 7;
[0032] The mounting edge 4 is concave downward as a whole to form a reverse buckling structure 8 at the inner top of the inner cavity 2, and the inner wall surface of the inner cavity 2 is provided with a silica gel mold 9.
[0033] Specifically, the frame body 1 is made of high-strength carbon fiber material as a whole, which has the characteristics of light weight and high strength, ensures the structural strength, and reduces the overall weight, thereby reducing the overall weight of the unmanned aerial vehicle, improving the flight efficiency, prolonging the flight time, and ensuring that the unmanned aerial vehicle has sufficient load capacity;
[0034] The mounting edge 4 formed by the edge of the opening 3 and the inner wall of the inner cavity 2 is provided with a plurality of mounting holes 5, which can realize flexible installation of various sensors, cameras and other accessories, meet the diversified application requirements, and the four corners form chamfered edges one 6, so that the four corners of the frame body 1 tend to be flat, and the stable connection between the frame body 1 and the arm through the arm connecting holes 7 on the chamfered edges one 6 is more convenient, thereby improving the flight stability;
[0035] The concave downward of the mounting edge 4 makes the top plate edge of the inner cavity 2 form a reverse buckling structure 8, the formation of the reverse buckling structure 8 enhances the overall strength of the mounting edge 4, improves the tensile resistance of the mounting edge 4, improves the load of the mounting edge 4, avoids deformation when the number of installed accessories is large, and covers a layer of silica gel mold 9 on the inner wall surface of the inner cavity 2, so that the bending part of the inner cavity 2 remains soft and smooth, eliminates sharp edges, prevents the signal lines of the accessories from being cut, thereby effectively protecting the safety of the internal signal lines of the unmanned aerial vehicle, and enabling the accessories of the unmanned aerial vehicle to be used normally.
[0036] In the embodiment, referring to Figs. 2-3 Further, the inner side wall of the inner cavity 2 is provided with a tripod 10, one side of the tripod 10 is connected with the inner cavity 2, and the other side is connected with the bottom wall of the mounting edge 4.
[0037] The triangular frame 10 has a plurality of triangular frames distributed between every two mounting holes 5.
[0038] Specifically, the triangular frame 10 is added, and the two sides of the triangular frame 10 are connected with the inner wall of the inner cavity 2 and the bottom wall of the mounting edge 4, thereby further improving the strength of the mounting edge 4. Meanwhile, the triangular frame 10 has a plurality of triangular frames distributed between every two mounting holes 5, which can uniformly support without affecting the installation of accessories.
[0039] In this embodiment, the mounting edge 4 further includes four straight edges 41 and four chamfered edges 42 matched with the chamfered edge 16.
[0040] The mounting hole 5 has at least 16 mounting holes, including 12 straight edge holes 51 distributed on the four straight edges 41 and chamfered edge holes 52 distributed on the four chamfered edges 42.
[0041] The triangular frame 10 has at least 12 triangular frames, triangular frame one 11 located between every two straight edge holes 51 on each straight edge 41, and triangular frame two 12 located between the straight edge hole 51 and the chamfered edge hole 52. The top end of the triangular frame two 12 is provided with a widened portion 121 near the side of the chamfered edge hole 52.
[0042] Specifically, in order to maximize the use of space, the chamfered edge 42 is also provided with chamfered edge holes 52 for installing accessories, so that the space between the straight edge holes 51 on the four straight edges 41 is not too close, and every two triangular frame one 11 is arranged between every two straight edge holes 51, and the triangular frame two 12 is arranged between the straight edge hole 51 and the chamfered edge hole 52. Meanwhile, the widened portion 121 is arranged at the top end of the triangular frame two 12 near the side of the chamfered edge hole 52, thereby supporting the chamfered edge 42 and not affecting the insertion of the robot arm from the robot arm connecting hole 7 into the inner cavity.
[0043] In this embodiment, the inner side angle direction of the triangular frame 10 is provided with a triangular support block 13.
[0044] Specifically, the two edges of the triangular frame 10 are reinforced by the triangular support block 13 to improve the overall strength of the triangular frame 10.
[0045] In this embodiment, referring to Fig. 1 , the edge of the robot arm connecting hole 7 is further provided with a robot arm connecting sleeve 14 extending outward. The outward extension of the robot arm connecting sleeve 14 can increase the contact area between the robot arm and the rack body 1 during installation, thereby making the connection between the robot arm and the rack body 1 more secure. This design reduces the risk of loosening or falling caused by vibration or other external factors, thereby improving the safety and stability of flight.
[0046] Preferably, the silica gel mold 9 is formed by silica gel air pressure forming, the silica gel is closely attached to the inner wall of the inner cavity 2 under the air pressure, and the silica gel mold 9 matching the shape of the inner wall of the inner cavity 2 is formed, and then the silica gel mold 9 is cut according to the shape of the inner cavity 2 after curing.
[0047] It is obvious for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be regarded as exemplary and non-limiting, and the scope of the present application is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application. Any reference signs in the claims should not be regarded as limiting the claims involved.
Claims
1. A lightweight, high-strength protective drone frame, characterized in that, Includes a frame body (1), the frame body (1) is made of high-strength carbon fiber material, the frame body (1) has an inner cavity (2), the inner cavity (2) has an opening (3) that communicates with the outside, the edge of the opening (3) and the inner wall of the inner cavity (2) form a mounting edge (4), the mounting edge (4) has a plurality of mounting holes (5). The frame body (1) has chamfered edges (6) at its four corners, and each of the four chamfered edges (6) is provided with an arm connection hole (7). The mounting edge (4) is recessed downwards to form an inverted structure (8) at the top of the inner cavity (2), and a silicone mold (9) is provided on the inner wall surface of the inner cavity (2).
2. The lightweight, high-strength protective UAV frame according to claim 1, characterized in that, The inner wall of the inner cavity (2) is provided with a tripod (10), one side of the tripod (10) is connected to the inner cavity (2), and the other side is connected to the bottom wall of the mounting edge (4); The tripod (10) has multiple parts, which are distributed between the two mounting holes (5).
3. The lightweight, high-strength protective UAV frame according to claim 2, characterized in that, The mounting edge (4) includes four straight edges (41) and four chamfered edges (42) that match chamfered edge one (6). The mounting holes (5) have at least 16 holes, including 12 straight edge holes (51) distributed on the four straight edges (41) and chamfered holes (52) distributed on the four chamfered edges (42). The tripod (10) has at least 12 tripods. The tripod one (11) is located between the two straight edge holes (51) on each straight edge (41), and the tripod two (12) is located between the straight edge hole (51) and the chamfered edge hole (52). The top of the tripod two (12) is provided with a widened part (121) near the chamfered edge hole (52).
4. The lightweight, high-strength protective UAV frame according to claim 3, characterized in that, The tripod (10) is provided with a triangular support block (13) in the direction of the inner corner.
5. The lightweight, high-strength protective UAV frame according to claim 1, characterized in that, The arm connection hole (7) extends outward from the edge to form an arm connection sleeve (14).
6. The lightweight, high-strength protective UAV frame according to any one of claims 1-5, characterized in that, The silicone mold (9) is formed by silicone air pressure and cut according to the shape of the inner cavity (2).