Arm structure and unmanned aerial vehicle

Abstract

The unmanned aerial vehicle comprises the vehicle arm structure, the vehicle arm structure comprises a carbon tube, a hardware sleeve die piece, a first injection molding piece and a second injection molding piece, the carbon tube is combined with the hardware sleeve die piece and the injection molding piece, and the characteristics of light weight and high strength of the carbon tube are utilized; due to the connection stability and the machining flexibility of the hardware sleeve die piece and the injection molding piece, the overall strength and the stability of the arm structure are improved; compared with a pure plastic injection molding process, the requirements for structural design and a mold are relatively low, and the method is suitable for an arm with a certain length; compared with a pure hardware machining process, the cost is lower, and the machining efficiency is higher; and compared with a gluing process, the connection is more stable, and the risk is smaller.

Description

TECHNICAL FIELD

[0001] The utility model relates to unmanned plane technical field especially relates to a machine arm structure and unmanned plane. BACKGROUND

[0002] The existing machine arm structure for unmanned plane includes first connecting part, machine arm part and second connecting part, wherein the first connecting part is used for connecting the fuselage of unmanned plane, and the second connecting part is used for connecting motor. However, the machining mode of the existing machine arm structure has many problems:

[0003] 1. The machine arm structure integrally formed by adopting pure plastic injection molding requires very high structure design, and the mold structure is complex, and the plastic characteristics are also very high, and the injection molding process may not be suitable for the machine arm of certain length.

[0004] 2. The machine arm using pure hardware machining process can reach the required strength, but the cost is too high, and the machining efficiency is low.

[0005] 3. The carbon tube and plastic structure piece bonding process are low in efficiency and unstable in bonding effect, and are high in risk. INVENTION CONTENTS

[0006] The utility model wants to solve the technical problem that a kind of machine arm structure and unmanned plane are provided to solve the above problems in prior art.

[0007] In order to solve the above technical problems, the technical scheme adopted by the utility model is as follows: a kind of machine arm structure, including carbon tube, first hardware sleeve piece, hardware sleeve piece, first injection molding piece and second injection molding piece, the first hardware sleeve piece is installed in the inner side wall of one end of the carbon tube, the first injection molding piece is installed in the outer side wall of one end of the carbon tube, the carbon tube is opened with the first injection molding hole that is connected with the inner side wall and the outer side wall in the position corresponding to the first hardware sleeve piece, the first injection molding piece penetrates the first injection molding hole and is connected with the first hardware sleeve piece;The hardware sleeve piece is installed in the inner side wall of the other end of the carbon tube, the second injection molding piece is installed in the outer side wall of the other end of the carbon tube, the carbon tube is opened with the second injection molding hole that is connected with the inner side wall and the outer side wall in the position corresponding to the hardware sleeve piece, the second injection molding piece penetrates the second injection molding hole and is connected with the hardware sleeve piece.

[0008] Further, the cross-sectional shape of the carbon tube is circular, oval or polygonal.

[0009] Further, the number of the first injection molding holes is multiple.

[0010] Further, multiple first injection molding holes are evenly spaced around the outer side wall of the carbon tube.

[0011] Further, the second injection molding hole is multiple.

[0012] Further, the multiple second injection molding holes are evenly distributed around the outer sidewall of the carbon tube.

[0013] Further, the metal sleeve part is provided with a glue running groove corresponding to the position of the second injection molding hole.

[0014] Further, the glue running groove is arranged around the outer sidewall of the metal sleeve part.

[0015] Further, the metal sleeve part is further provided with a supporting part which is in abutment with the inner sidewall of the carbon tube.

[0016] In order to solve the above technical problems, the utility model also provides a unmanned aerial vehicle, including above-mentioned arm structure.

[0017] The arm structure and the unmanned aerial vehicle have the following advantages: the carbon tube, the metal sleeve part and the injection molding part are combined, the light weight and high strength characteristics of the carbon tube, the connection stability and the processing flexibility of the metal sleeve part and the injection molding part are utilized, the overall strength and stability of the arm structure are improved, the structure design and the mold requirement are relatively low compared with the pure plastic injection molding process, and the arm structure is suitable for arms of certain length, the cost is lower and the processing efficiency is higher compared with the pure metal processing process, the connection is more stable and the risk is smaller compared with the adhesive process, the arm structure can be designed and adjusted flexibly according to the size and performance requirement of the unmanned aerial vehicle, and the arm structure has good universality and adaptability, the overall performance of the unmanned aerial vehicle, including the flight stability, the load capacity and the service life, can be improved significantly by applying the arm structure to the unmanned aerial vehicle, compared with the traditional arm structure, the arm structure of the utility model can guarantee performance, reduce the processing cost, improve the production efficiency and has good cost benefit. BRIEF DESCRIPTION OF DRAWINGS

[0018] Fig. 1 It is a structure schematic view of the arm structure of the utility model embodiment one.

[0019] Fig. 2 It is a sectional structure schematic view of the arm structure of the utility model embodiment one.

[0020] Fig. 3 It is an explosion view of the arm structure of the utility model embodiment one.

[0021] REFERENCE SIGNS:

[0022] 1, carbon tube; 11, first injection molding hole; 2, second injection molding hole; 3, first injection molding part; 4, metal sleeve part; 41, glue running groove; 42, supporting part; 5, second injection molding part; 6, sleeve part insert. DETAILED DESCRIPTION

[0023] In order to explain the technical content of the utility model, the purposes and effects achieved, the following will be described in conjunction with the embodiments and the accompanying drawings.

[0024] Please refer to Figs. 1-3 A machine arm structure, comprising a carbon tube 1, a hardware sleeve 4, a first injection molding part 3 and a second injection molding part 5, the first injection molding part 3 is arranged on the outer side wall of one end of the carbon tube 1, the carbon tube 1 is provided with a first injection molding hole 11 corresponding to the position of the first injection molding part 3, the first injection molding hole 11 connects the inner side wall and the outer side wall of the carbon tube 1, the first injection molding part 3 penetrates the first injection molding hole 11 and is connected with the inner side wall of the carbon tube; the hardware sleeve 4 is installed on the inner side wall of the other end of the carbon tube 1, the second injection molding part 5 is installed on the outer side wall of the other end of the carbon tube 1, the carbon tube 1 is provided with a second injection molding hole 2 corresponding to the position of the hardware sleeve 4, the second injection molding hole 2 connects the inner side wall and the outer side wall of the carbon tube 1, and the second injection molding part 5 penetrates the second injection molding hole 2 and is connected with the hardware sleeve 4.

[0025] From the above description, the utility model has the beneficial effects that: by combining the carbon tube 1 with the hardware sleeve and the injection molding part, the overall strength and stability of the machine arm structure are improved by utilizing the lightweight and high-strength characteristics of the carbon tube 1, as well as the connection stability and processing flexibility of the hardware sleeve and the injection molding part; compared with the pure plastic injection molding process, the requirements for structure design and mold are relatively low, and the machine arm structure is suitable for machine arms of certain length; compared with the pure hardware processing process, the cost is lower and the processing efficiency is higher; compared with the adhesive process, the connection is more stable and the risk is smaller; the machine arm structure can be designed and adjusted flexibly according to the size and performance requirements of the unmanned aerial vehicle, and has good universality and adaptability.

[0026] Further, the cross-sectional shape of the carbon tube 1 is circular, elliptical or polygonal.

[0027] From the above description, the cross-sectional shape of the carbon tube 1 can be circular, elliptical or polygonal, which enables the machine arm structure to be optimized according to different design requirements and application scenarios, and improves the aerodynamic performance and structural strength of the machine arm; different cross-sectional shapes can meet different strength and weight requirements, for example, a circular cross-section has good strength when bearing uniform load, and a polygonal cross-section can provide more installation and connection positions.

[0028] Further, the number of the first injection molding holes 11 is multiple.

[0029] Further, the multiple first injection molding holes 11 are evenly spaced around the outer side wall of the carbon tube 1.

[0030] Further, the number of the second injection molding holes 2 is multiple.

[0031] Further, the plurality of second injection holes 2 are evenly spaced around the outer side wall of the carbon tube 1.

[0032] As described above, by providing a plurality of injection holes, the contact area and connection strength between the injection part and the hardware fitting part can be increased, ensuring the reliability and stability of the connection; the plurality of injection holes can more evenly distribute the load, reducing local stress concentration and improving the overall strength and service life of the arm.

[0033] Further, the hardware fitting part 4 is provided with a glue running groove 41 corresponding to the position of the second injection hole 2.

[0034] As described above, the glue running groove 41 can ensure that the injection material can be fully filled in the injection hole during the injection process, avoiding the appearance of bubbles and unfilled areas, and improving the connection quality of the injection part and the hardware fitting part; by providing the glue running groove, the defects in the injection process can be reduced, the production efficiency can be improved, and the rate of defective products can be reduced.

[0035] Further, the glue running groove 41 is arranged around the outer side wall of the hardware fitting part 4.

[0036] As described above, the glue running groove arranged around can ensure that the injection material is evenly distributed during the injection process, further improving the connection strength and reliability of the injection part and the hardware fitting part; the evenly distributed injection material can reduce local stress concentration and enhance the overall stability of the arm structure.

[0037] Further, the hardware fitting part 4 is further provided with a support part 42, and the support part 42 is in contact with the inner side wall of the carbon tube 1.

[0038] As described above, the support part 42 is in contact with the inner side wall of the carbon tube 1, which can provide additional support force to enhance the stability and strength of the arm structure; through the support of the support part, the deformation of the carbon tube 1 under stress can be reduced, and the rigidity and service life of the arm can be improved.

[0039] In order to solve the above technical problems, the utility model also provides an unmanned aerial vehicle, which comprises the above arm structure.

[0040] As described above, the application of the above arm structure to the unmanned aerial vehicle can significantly improve the overall performance of the unmanned aerial vehicle, including flight stability, load capacity and service life; compared with the traditional arm structure, the arm structure of the utility model can ensure performance while reducing processing cost, improving production efficiency and having good cost-effectiveness.

[0041] Please refer to Figs. 1-3The utility model discloses an embodiment one for: a kind of unmanned aerial vehicle, including arm structure, fuselage and motor, the arm structure includes carbon tube 1, hardware sleeve piece 4, first injection molding 3 and second injection molding 5, the first injection molding 3 is located in the outer lateral wall of one end of the carbon tube 1, the first injection molding hole 11 that the carbon tube 1 is opened with inner lateral wall and outer lateral wall corresponding the position of the first injection molding 3 is communicated, the first injection molding 3 penetrates the first injection molding hole 11 and is connected with the inner lateral wall of the carbon tube;The hardware sleeve piece 4 is installed in the inner lateral wall of the other end of the carbon tube 1, the second injection molding 5 is installed in the outer lateral wall of the other end of the carbon tube 1, the second injection molding hole 2 that the carbon tube 1 is opened with inner lateral wall and outer lateral wall corresponding the position of the hardware sleeve piece 4 is communicated, the second injection molding 5 penetrates the second injection molding hole 2 and is connected with the hardware sleeve piece 4;It can be understood, by combining carbon tube 1 with hardware sleeve piece and injection molding, utilize the lightweight high-strength characteristics of carbon tube 1, and the connection stability and processing flexibility of hardware sleeve piece and injection molding, improve the overall strength and stability of arm structure;Compared with pure plastic injection molding process, the requirement of structure design and mould is relatively lower, and it is applicable to certain length arm;Compared with pure hardware processing technology, cost is lower, and processing efficiency is higher;Compared with adhesive process, connection is more stable, and risk is smaller;It can be designed and adjusted flexibly according to the size and performance requirement of unmanned aerial vehicle, with good universality and adaptability.

[0042] As optional, the cross-sectional shape of the carbon tube 1 is circular, oval or polygonal, the cross-sectional shape of the carbon tube 1 can be circular, oval or polygonal, which makes the arm structure can be optimized according to different design requirements and application scenarios, improve the aerodynamic performance and structural strength of the arm;Different cross-sectional shapes can meet different strength and weight requirements, for example, circular cross-section has good strength when bearing uniform load, and polygonal cross-section can provide more mounting and connecting positions.

[0043] As optional, the number of the first injection molding hole 11 and / or the number of the second injection molding hole 2 is multiple, by setting multiple injection molding holes, the contact area and connection strength between the injection molding and the hardware sleeve piece can be increased, to ensure the reliability and stability of connection;Multiple injection molding holes can distribute load more evenly, reduce local stress concentration, and improve the overall strength and service life of the arm. Further, multiple first injection molding holes 11 are evenly spaced around the outer lateral wall of the carbon tube 1, or multiple second injection molding holes 2 are evenly spaced around the outer lateral wall of the carbon tube 1.

[0044] In this embodiment, the metal sleeve 4 is provided with a glue runner 41 at the position corresponding to the second injection hole 2. The glue runner 41 can ensure that the injection molding material can fully fill the second injection hole 2 during the injection molding process, avoid air bubbles and unfilled areas, and improve the connection quality between the injection molded part and the metal sleeve. By setting the glue runner, defects in the injection molding process can be reduced, production efficiency can be improved, and the defect rate can be reduced.

[0045] Specifically, the injection groove 41 is arranged around the outer wall of the metal sleeve 4. The surrounding injection groove 41 can ensure that the injection molding material is evenly distributed during the injection molding process, further improving the connection strength and reliability between the second injection molded part 5 and the metal sleeve 4. The evenly distributed injection molding material can reduce local stress concentration and enhance the overall stability of the arm structure.

[0046] In detail, the hardware fitting 4 is also provided with a support part 42, which abuts against the inner wall of the carbon tube 1. The abutment between the support part 42 and the inner wall of the carbon tube 1 can provide additional support force, enhance the stability and strength of the arm structure; through the supporting effect of the support part, the deformation of the carbon tube 1 under stress can be reduced, and the rigidity and service life of the arm can be improved.

[0047] More specifically, a fitting insert 6 can be provided at the screw hole of the hardware fitting 4, so as to seal the inner channel of the carbon tube 1.

[0048] In summary, the arm structure and UAV provided by this utility model improve the overall strength and stability of the arm structure by combining carbon tubing with metal sleeves and injection molded parts. This leverages the lightweight and high-strength properties of carbon tubing, along with the connection stability and processing flexibility of the metal sleeves and injection molded parts. Compared to pure plastic injection molding, it has relatively lower requirements for structural design and molds, and is suitable for arms of a certain length. Compared to pure metal processing, it has lower costs and higher processing efficiency. Compared to adhesive bonding, the connection is more stable and less risky. It can be flexibly designed and adjusted according to the size and performance requirements of the UAV, exhibiting good versatility and adaptability. Applying this arm structure to UAVs can significantly improve the overall performance of the UAV, including flight stability, payload capacity, and service life. Compared to traditional arm structures, the arm structure of this utility model reduces processing costs and improves production efficiency while ensuring performance, demonstrating good cost-effectiveness.

[0049] The above description is merely an embodiment of this utility model and does not limit the patent scope of this utility model. Any equivalent modifications made based on the content of this utility model specification and drawings, or direct or indirect applications in related technical fields, are similarly included within the patent protection scope of this utility model.

Claims

1. A robotic arm structure, characterized in that, The device includes a carbon nanotube, a metal fitting, a first injection molded part, and a second injection molded part. The first injection molded part is disposed on the outer side wall of one end of the carbon nanotube. The carbon nanotube has a first injection hole corresponding to the position of the first injection molded part, which connects its inner side wall and the outer side wall. The first injection molded part passes through the first injection hole and is connected to the inner side wall of the carbon nanotube. The metal fitting is installed on the inner side wall of the other end of the carbon nanotube. The second injection molded part is installed on the outer side wall of the other end of the carbon nanotube. The carbon nanotube has a second injection hole corresponding to the position of the metal fitting, which connects its inner side wall and the outer side wall. The second injection molded part passes through the second injection hole and is connected to the metal fitting.

2. The arm structure according to claim 1, characterized in that, The cross-sectional shape of the carbon nanotubes is circular, elliptical, or polygonal.

3. The arm structure according to claim 1, characterized in that, The number of the first injection holes is multiple.

4. The arm structure according to claim 3, characterized in that, Multiple first injection holes are evenly spaced around the outer wall of the carbon tube.

5. The arm structure according to claim 4, characterized in that, The number of the second injection holes is multiple.

6. The arm structure according to claim 1, characterized in that, Multiple second injection holes are evenly spaced around the outer wall of the carbon tube.

7. The arm structure according to claim 1, characterized in that, The metal fitting has a glue runner groove at the position corresponding to the second injection hole.

8. The arm structure according to claim 7, characterized in that, The glue-running groove is provided around the outer wall of the metal fitting.

9. The arm structure according to claim 1, characterized in that, The hardware fitting also includes a support portion, which abuts against the inner wall of the carbon tube.

10. A drone, characterized in that, Includes the arm structure described in any one of claims 1-9.

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