Integrally-formed unmanned aerial vehicle carbon fiber arm

Abstract

The utility model discloses an integrally-formed unmanned aerial vehicle carbon fiber arm which comprises an upper arm part, a reinforcing arm is fixed to the bottom end of the upper arm part, a lower arm part is fixed to the end, away from the upper arm part, of the reinforcing arm, and a second side connecting arm is fixed to the outer wall of one side of the upper arm part. A first side connecting arm is fixed to the outer wall of the side, away from the second side connecting arm, of the upper arm part, a part containing seat is arranged on the outer wall of the side, away from the lower arm part, of the first side connecting arm, and unmanned aerial vehicle seats are installed at the two ends of the second side connecting arm correspondingly. According to the unmanned aerial vehicle arm, the problems that a traditional unmanned aerial vehicle arm is large in weight, insufficient in mechanical strength and poor in fatigue resistance are solved, the overall weight of the unmanned aerial vehicle arm is greatly reduced, and the unmanned aerial vehicle arm can bear large static loads and high-frequency vibration loads without fracture deformation; and impact and vibration can be resisted to a certain extent, and the aim of easily assembling and connecting the unmanned aerial vehicle arms is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of unmanned aerial vehicle preparation, in particular to an integrally formed carbon fiber machine arm for an unmanned aerial vehicle. Background Art

[0002] Drones are often called unmanned aircraft. They refer to a new concept aircraft that is in rapid development. Drones are composed of multiple components, and drone arms are one of many components. With the rapid development of drone technology, the performance requirements for drone arms are getting higher and higher.

[0003] A drone arm assembly with reference announcement number CN206914638U includes an arm and a clamping mechanism, wherein the arm is a tube body with openings at both ends, and the clamping mechanism includes an arm clamping seat and an arm protection tube, the arm clamping seat is fixed on the drone body, the arm protection tube is arranged at the end of the arm and cooperates with the inner wall of the arm, and the arm is connected to the drone body through the arm clamping seat. The drone arm has the characteristics of easy disassembly and protects the drone arm from damage. According to the above, the drone arm is assembled in sections, which not only increases the manufacturing cost, but also reduces the overall performance of the arm, and needs to be improved. Utility Model Content

[0004] The purpose of the utility model is to provide an integrally formed carbon fiber arm for unmanned aerial vehicles, so as to solve the problem that the arm of the unmanned aerial vehicle is assembled in sections as proposed in the above-mentioned background technology, which not only increases the manufacturing cost but also reduces the overall performance of the arm.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an integrated carbon fiber arm of an unmanned aerial vehicle, comprising an upper arm member, a reinforcing arm is fixed to the bottom end of the upper arm member, a lower arm member is fixed to the end of the reinforcing arm away from the upper arm member, a second side connecting arm is fixed to the outer wall of one side of the upper arm member, the outer wall of the lower end of the second side connecting arm is fixedly connected to the outer wall of one side of the lower arm member, a first side connecting arm is fixed to the outer wall of the upper arm member away from the second side connecting arm, the inner wall of the lower end of the first side connecting arm is fixedly connected to the outer wall of one side of the lower arm member, a mounting seat is provided on the outer wall of the first side connecting arm away from the lower arm member, and unmanned aerial vehicle seats are installed at both ends of the second side connecting arm.

[0006] Preferably, a reinforcing rib is fixed to one side of the top end of the upper arm member, and an outer wall on one side of the reinforcing rib is fixedly connected to an outer wall of the second side connecting arm, so that the structural strength between the second side connecting arm and the upper arm member is improved by setting the reinforcing rib.

[0007] Preferably, three first positioning holes are arranged inside the component placement seat, and both ends of the first positioning holes extend to the outside of the component placement seat, so that the locking bolts can be placed through the arrangement of the first positioning holes.

[0008] Preferably, a motor seat is installed at the top of the mounting seat, and a locking bolt is installed at the bottom of the mounting seat at the position of the first positioning hole. The top of the locking bolt passes through the first positioning hole and is threadedly connected to the bottom end of the motor seat. The locking bolt is arranged so that the motor seat can be placed at the top of the mounting seat.

[0009] Preferably, second positioning holes are provided on both sides of the second side connecting arm, and both ends of the second positioning holes extend to the outside of the second side connecting arm, so that the fastening bolts can be placed through the provision of the second positioning holes.

[0010] Preferably, fastening bolts are installed inside the second positioning holes, both ends of the fastening bolts pass through the UAV seat, and fastening nuts are threadedly installed on the outer wall of the lower end of the fastening bolts. Through the arrangement of the fastening bolts and the fastening nuts, the UAV seat can be placed at both ends of the second side connecting arm.

[0011] Compared with the prior art, the utility model has the following beneficial effects: the one-piece carbon fiber drone arm not only solves the problems of heavy weight, insufficient mechanical strength and poor fatigue resistance of the traditional drone arm, but also greatly reduces the overall weight of the drone arm, and enables the drone arm to withstand large static loads and high-frequency vibration loads without breaking or deforming, and can resist impact and vibration to a certain extent, and achieves the purpose of easy assembly and connection of the drone arm;

[0012] The upper machine arm and the lower machine arm are integrally fixedly arranged at the two ends of the reinforcing arm, and the second side connecting arm and the first side connecting arm are integrally fixedly arranged on the outer walls on both sides of the upper machine arm and the lower machine arm, respectively, and a mounting seat is integrally fixedly arranged on the outer wall of the first side connecting arm, so that the drone arm is manufactured by using an integrated molding technology, thereby solving the problems of heavy weight, insufficient mechanical strength and poor fatigue resistance of the traditional drone arm;

[0013] By using carbon fiber materials to make various parts of the drone arm, the overall weight of the drone arm is greatly reduced due to the low density and light weight of carbon fiber composite materials, which is beneficial to improving the flight performance of the drone. The carbon fiber composite materials also have high mechanical strength, so that the drone arm can withstand large static loads and high-frequency vibration loads without breaking or deforming. The carbon fiber composite materials have good toughness, so that the drone arm can resist impact and vibration to a certain extent, protecting the safety of the drone's internal equipment.

[0014] By respectively presetting the second positioning hole and the first positioning hole inside the second side connecting arm and the mounting seat, the drone seat can be installed on both ends of the second side connecting arm with the help of fastening bolts and fastening nuts, and the motor seat can be installed on the top of the mounting seat with the help of locking bolts, thereby achieving the purpose of easy assembly and connection of the drone arm. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the structure of the utility model after assembly;

[0016] Figure 2 This is a three-dimensional structural schematic diagram of the utility model from a top view;

[0017] Figure 3 This is a schematic diagram of the structure of the utility model when viewed from above;

[0018] Figure 4 For this utility model Figure 1 Enlarged structural diagram at A in the middle.

[0019] In the figure: 1. upper arm; 2. lower arm; 3. reinforcing arm; 4. first side connecting arm; 5. mounting seat; 6. locking bolt; 7. motor seat; 8. drone seat; 9. second side connecting arm; 10. reinforcing rib; 11. second positioning hole; 12. first positioning hole; 13. fastening nut; 14. fastening bolt. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] See also Figure 1-4 The utility model provides an embodiment: an integrally formed carbon fiber arm for unmanned aerial vehicles, comprising an upper arm member 1, a reinforcing rib 10 is fixed to one side of the top of the upper arm member 1, and an outer wall of one side of the reinforcing rib 10 is fixedly connected to an outer wall of a second side connecting arm 9;

[0022] When in use, the reinforcing ribs 10 are provided to improve the structural strength between the second side connecting arm 9 and the upper machine arm member 1;

[0023] A reinforcing arm 3 is fixed to the bottom end of the upper arm member 1, and a lower arm member 2 is fixed to one end of the reinforcing arm 3 away from the upper arm member 1. A second side connecting arm 9 is fixed to the outer wall of one side of the upper arm member 1, and the outer wall of the lower end of the second side connecting arm 9 is fixedly connected to the outer wall of one side of the lower arm member 2. Second positioning holes 11 are provided on both sides of the interior of the second side connecting arm 9, and both ends of the second positioning hole 11 extend to the outside of the second side connecting arm 9;

[0024] When in use, the second positioning hole 11 is provided to facilitate placement of the fastening bolt 14;

[0025] The second positioning holes 11 are each provided with a fastening bolt 14, both ends of which penetrate the drone seat 8, and a fastening nut 13 is threadedly installed on the outer wall of the lower end of the fastening bolt 14;

[0026] When in use, the UAV seat 8 is placed at both ends of the second side connecting arm 9 by setting the fastening bolts 14 and the fastening nuts 13;

[0027] A first side connecting arm 4 is fixed to the outer wall of the upper arm member 1 on the side away from the second side connecting arm 9, and the inner wall of the lower end of the first side connecting arm 4 is fixedly connected to the outer wall of the lower arm member 2. A component placement seat 5 is provided on the outer wall of the first side connecting arm 4 on the side away from the lower arm member 2, and three first positioning holes 12 are provided inside the component placement seat 5, and both ends of the first positioning holes 12 extend to the outside of the component placement seat 5;

[0028] When in use, the first positioning hole 12 is provided to facilitate the placement of the locking bolt 6;

[0029] The top of the mounting base 5 is provided with a motor base 7, and the bottom of the mounting base 5 at the position of the first positioning hole 12 is provided with a locking bolt 6, and the top of the locking bolt 6 passes through the first positioning hole 12 and is threadedly connected with the bottom of the motor base 7;

[0030] When in use, the motor seat 7 is placed on the top of the mounting seat 5 by setting the locking bolt 6;

[0031] UAV seats 8 are installed at both ends of the second side connecting arm 9.

[0032] When the embodiment of the present application is in use, firstly, the second positioning hole 11 and the first positioning hole 12 are respectively preset inside the second side connecting arm 9 and the mounting seat 5. When one end of the fastening bolt 14 passes through the second positioning hole 11 and is screwed into the fastening nut 13, and one end of the locking bolt 6 passes through the mounting seat 5 and is screwed into the bottom of the motor seat 7, the drone seat 8 can be locked and placed on both ends of the second side connecting arm 9, and the motor seat 7 can be locked and placed on the top of the mounting seat 5, so as to facilitate the assembly and connection of the drone arm. After that, the drone arm is made by adopting the integrated molding technology to solve the problems of heavy weight, insufficient mechanical strength and poor fatigue resistance of the traditional drone arm. Finally, By using carbon fiber material to make various components of the drone arm, the overall weight of the drone arm is greatly reduced due to the low density and light weight of the carbon fiber composite material, which is beneficial to improving the flight performance of the drone. The carbon fiber composite material also has high mechanical strength, so that the drone arm can withstand large static loads and high-frequency vibration loads without breaking or deforming. The carbon fiber composite material has good toughness, so that the drone arm can resist impact and vibration to a certain extent, protecting the safety of the internal equipment of the drone. In addition, by setting the reinforcing ribs 10, the structural strength between the second side connecting arm 9 and the upper arm member 1 is improved, thereby completing the use of the drone arm.

[0033] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0034] Although the present invention has been described above with reference to the embodiments, various modifications may be made thereto and parts thereof may be replaced with equivalents without departing from the scope of the present invention. In particular, as long as there is no structural conflict, the various features in the embodiments disclosed in the present invention may be used in combination with each other in any manner, and the fact that these combinations are not exhaustively described in this specification is only for the sake of omitting space and saving resources. Therefore, the present invention is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. An integrated carbon fiber drone arm, characterized by: The invention comprises an upper arm member (1), a reinforcing arm (3) being fixed at the bottom end of the upper arm member (1), a lower arm member (2) being fixed at one end of the reinforcing arm (3) away from the upper arm member (1), a second side connecting arm (9) being fixed on an outer wall of one side of the upper arm member (1), an outer wall of the lower end of the second side connecting arm (9) being fixedly connected to an outer wall of one side of the lower arm member (2), a first side connecting arm (4) being fixed on an outer wall of the upper arm member (1) away from the second side connecting arm (9), an inner wall of the lower end of the first side connecting arm (4) being fixedly connected to an outer wall of one side of the lower arm member (2), a mounting seat (5) being arranged on the outer wall of the first side connecting arm (4) away from the lower arm member (2), and drone seats (8) being installed at both ends of the second side connecting arm (9).

2. The one-piece carbon fiber arm for unmanned aerial vehicle according to claim 1, characterized in that: A reinforcing rib (10) is fixed to one side of the top end of the upper arm member (1), and an outer wall on one side of the reinforcing rib (10) is fixedly connected to an outer wall of the second side connecting arm (9).

3. The one-piece carbon fiber arm for unmanned aerial vehicle according to claim 1, characterized in that: Three first positioning holes (12) are arranged inside the component placement seat (5), and both ends of the first positioning holes (12) extend to the outside of the component placement seat (5).

4. The one-piece carbon fiber arm for unmanned aerial vehicle according to claim 3, characterized in that: A motor seat (7) is installed at the top of the mounting seat (5), and a locking bolt (6) is installed at the bottom of the mounting seat (5) at the position of the first positioning hole (12). The top of the locking bolt (6) passes through the first positioning hole (12) and is threadedly connected to the bottom of the motor seat (7).

5. The one-piece carbon fiber arm for unmanned aerial vehicle according to claim 1, characterized in that: Second positioning holes (11) are provided on both sides of the interior of the second side connecting arm (9), and both ends of the second positioning hole (11) extend to the outside of the second side connecting arm (9).

6. The one-piece carbon fiber arm for unmanned aerial vehicle according to claim 5, characterized in that: A fastening bolt (14) is installed inside each of the second positioning holes (11), both ends of the fastening bolt (14) pass through the drone seat (8), and a fastening nut (13) is threadedly installed on the outer wall of the lower end of the fastening bolt (14).

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