Unmanned aerial vehicle frame

Abstract

The unmanned aerial vehicle frame comprises a bottom plate and four vehicle arms, a center frame is fixed to the upper portion of the bottom plate, a cover plate covers the upper portion of the center frame, the center frame comprises a first frame, a second frame, a third frame and a fourth frame, and the first frame, the second frame, the third frame and the fourth frame are arranged at intervals. And the four arms are respectively mounted between the first frame and the fourth frame, between the fourth frame and the second frame, between the second frame and the third frame, and between the third frame and the first frame. The first frame, the second frame, the third frame and the fourth frame are arranged in the center frame, a plurality of independent spaces are formed, and installation of different mechanisms is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of unmanned aerial vehicles, and more specifically, to a frame of an unmanned aerial vehicle. Background Art

[0002] With the development of drone technology, there are more and more types of drones. Among them, the large-load transport drone for mountain forests is an innovative new type of drone developed for mountain forest transportation scenarios that integrates the advantages of agricultural plant protection drones, industrial transport drones and emergency rescue drones. This type of drone includes a frame, a power mechanism, a control mechanism and a throwing mechanism. The power mechanism, control mechanism and throwing mechanism are installed in the frame. The current assembly process of this type of drone frame is relatively complicated. The power mechanism, control mechanism and throwing mechanism are installed together in the frame without separate isolation, and it is easy for them to interfere with each other. Therefore, there is an urgent need to improve this. Utility Model Content

[0003] The purpose of the utility model is to overcome the deficiencies of the above-mentioned prior art and provide a drone frame, in which a first frame, a second frame, a third frame and a fourth frame are arranged in a central frame to form multiple independent spaces for facilitating the installation of different mechanisms.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] The utility model discloses a drone frame, comprising a bottom plate and four machine arms, wherein a center frame is fixed on the upper part of the bottom plate, a cover plate is covered on the upper part of the center frame, the center frame comprises a first frame, a second frame, a third frame and a fourth frame, the first frame, the second frame, the third frame and the fourth frame are arranged at intervals from each other, and the four machine arms are respectively installed between the first frame and the fourth frame, between the fourth frame and the second frame, between the second frame and the third frame, and between the third frame and the first frame.

[0006] Furthermore, a first mounting groove is formed between the first frame and the fourth frame, a second mounting groove is formed between the fourth frame and the second frame, a third mounting groove is formed between the second frame and the third frame, and a fourth mounting groove is formed between the third frame and the first frame, and the four arms are respectively inserted into the first mounting groove, the second mounting groove, the third mounting groove and the fourth mounting groove and fixed.

[0007] Furthermore, a first connecting block is fixed to one end of the arm located at the center frame, the first connecting block located in the first mounting groove is respectively connected to the first frame and the fourth frame, the first connecting block located in the second mounting groove is respectively connected to the fourth frame and the second frame, the first connecting block located in the third mounting groove is respectively connected to the second frame and the third frame, and the first connecting block located in the fourth mounting groove is respectively connected to the third frame and the first frame.

[0008] Furthermore, a second connecting block is sleeved on the outer side of the machine arm, and the second connecting block is fixed to the center frame.

[0009] Furthermore, the first frame, the second frame, the third frame and the fourth frame form a central groove, a throwing mechanism is installed in the central groove, and the throwing mechanism is connected to the first frame and the second frame respectively.

[0010] Furthermore, the bottom plate includes an avoidance hole, and the avoidance hole is located directly below the throwing mechanism.

[0011] Furthermore, the cover plate includes a first cover plate and a second cover plate, the second cover plate covers the upper part of the first frame, and the first cover plate is located on the side of the second cover plate.

[0012] Furthermore, a plurality of second studs are provided at the lower part of the second cover plate, a first through hole corresponding to the second stud is provided on the surface of the bottom plate, the lower end of the second stud abuts against the surface of the bottom plate and the second stud faces the first through hole, and the second stud is connected to the first through hole by screws.

[0013] Furthermore, a first connecting platform is provided inside the first frame, a second connecting platform is provided inside the second frame, and a third connecting platform is provided inside the fourth frame. The first connecting platform, the second connecting platform and the third connecting platform are respectively abutted against the upper part of the bottom plate and connected to the bottom plate by screws.

[0014] Furthermore, the first cover plate is provided with first studs corresponding to the second connecting platform and the third connecting platform at the lower part, and the corresponding first studs can respectively abut against the upper surfaces of the second connecting platform and the third connecting platform.

[0015] The beneficial effects of the utility model are:

[0016] 1. By setting the first frame, the second frame and the central groove, the power mechanism, the control mechanism and the throwing mechanism can be set separately, effectively preventing mutual interference between the mechanisms;

[0017] 2. In the utility model, a three-layer composite structure design is realized by arranging a bottom plate, a center frame assembly and a cover plate, and assembly is convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1A structural diagram of this embodiment;

[0019] Figure 2 is an exploded view of this embodiment;

[0020] Figure 3 Schematic diagram of the internal structure of the rack;

[0021] Figure 4 This is a schematic diagram of the structure of the center frame.

[0022] Figure numerals: 1. bottom plate; 11. first through hole; 12. avoidance hole; 2. center frame; 21. first frame; 211. first connecting platform; 22. second frame; 221. second connecting platform; 23. third frame; 24. fourth frame; 241. third connecting platform; 25. center groove; 26. first mounting groove; 27. second mounting groove; 28. third mounting groove; 29. ​​fourth mounting groove; 3. first cover plate; 31. first stud; 4. second cover plate; 41. second stud; 5. machine arm; 6. rotor; 7. throwing mechanism; 8. first connecting block; 9. second connecting block. DETAILED DESCRIPTION

[0023] 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. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. 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.

[0024] like Figures 1 to 4 As shown, a drone frame includes a base plate 1 and four arms 5, one end of the arm 5 is connected to a rotor 6, a center frame 2 is fixed on the upper part of the base plate 1, and a cover plate is covered on the upper part of the center frame 2, and the center frame 2 includes a first frame 21, a second frame 22, a third frame 23 and a fourth frame 24, the first frame 21, the second frame 22, the third frame 23 and the fourth frame 24 are arranged at intervals from each other, the first frame 21, the second frame 22, the third frame 23 and the fourth frame 24 surround a center groove 25, a power mechanism (not shown in the figure) can be installed in the first frame 21, a control mechanism (not shown in the figure) can be installed in the second frame 22, a throwing mechanism 7 is installed in the center groove 25, and the throwing mechanism 7 is connected to the first frame 21 and the second frame 22 respectively. By setting the first frame 21, the second frame 22 and the center groove 25, the power mechanism, the control mechanism and the throwing mechanism can be set separately, and mutual interference between the mechanisms can be effectively prevented.

[0025] The four arms 5 are respectively installed between the first frame 21 and the fourth frame 24, between the fourth frame 24 and the second frame 22, between the second frame 22 and the third frame 23, and between the third frame 23 and the first frame 21. Specifically, a first mounting groove 26 is formed between the first frame 21 and the fourth frame 24, a second mounting groove 27 is formed between the fourth frame 24 and the second frame 22, a third mounting groove 28 is formed between the second frame 22 and the third frame 23, and a fourth mounting groove 29 is formed between the third frame 23 and the first frame 21. The four arms 5 are respectively inserted into the first mounting groove 26. The arm 5 is fixed in the mounting groove 26, the second mounting groove 27, the third mounting groove 28 and the fourth mounting groove 29, and a first connecting block 8 is fixed at one end of the arm 5 located on the center frame 2, the first connecting block 8 located in the first mounting groove 26 is respectively connected to the first frame 21 and the fourth frame 24, the first connecting block 8 located in the second mounting groove 27 is respectively connected to the fourth frame 24 and the second frame 22, the first connecting block 8 located in the third mounting groove 28 is respectively connected to the second frame 22 and the third frame 23, and the first connecting block 8 located in the fourth mounting groove 29 is respectively connected to the third frame 23 and the first frame 21.

[0026] The casting mechanism 7 is connected to the first frame 21 and the second frame 22 respectively by screws, the first frame 21 and the fourth frame 24 are connected to the first connecting block 8 in the first mounting groove 26 by screws, the fourth frame 24 and the second frame 22 are connected to the first connecting block 8 in the second mounting groove 27 by screws, the second frame 22 and the third frame 23 are connected to the first connecting block 8 in the third mounting groove 28 by screws, the third frame 23 and the first frame 21 are connected to the first connecting block 8 in the fourth mounting groove 29 by screws, and the arm 5 and the casting mechanism 7 can be fixed in the center frame 2 by screws to form a center frame assembly, which is easy to assemble.

[0027] A second connecting block 9 is sleeved on the outer side of the arm 5 , and the second connecting block 9 is fixed to the center frame 2 by screws. By providing the second connecting block 9 , the fixing reliability of the arm 5 and the center frame 2 can be further improved.

[0028] The bottom plate 1 includes an avoidance hole 12 , and the avoidance hole 12 is located directly below the throwing mechanism 7 . The throwing mechanism 7 is a prior art. By setting the avoidance hole 12 , an avoidance space can be provided for the throwing mechanism 7 .

[0029] A first connecting platform 211 is provided inside the first frame 21, a second connecting platform 221 is provided inside the second frame 22, a third connecting platform 241 is provided inside the fourth frame 24, and the third frame 23 has the same structure as the fourth frame 24. The first connecting platform 211, the second connecting platform 221 and the third connecting platform 241 are respectively abutted against the upper part of the bottom plate 1 and connected to the bottom plate 1 by screws. The cover plate includes a first cover plate 3 and a second cover plate 4. The second cover plate 4 covers the upper part of the first frame 21, and the first cover plate 3 is located on the second cover plate 4. On the side, a plurality of second studs 41 are provided at the lower part of the second cover plate 4, and a first through hole 11 corresponding to the second stud 41 is provided on the surface of the base plate 1, and the lower end of the second stud 41 abuts against the surface of the base plate 1 and the second stud 41 faces the first through hole 11, and the second stud 41 is connected to the first through hole 11 by screws, and a first stud 31 corresponding to the second connecting platform 221 and the third connecting platform 241 is provided at the lower part of the first cover plate 3, and the corresponding first stud 31 can abut against the upper surfaces of the second connecting platform 221 and the third connecting platform 241 respectively.

[0030] By setting the second cover plate 4, the internal space of the first frame 21 can be opened separately, so as to facilitate the replacement of the power mechanism in the first frame 21. When assembling, the utility model first assembles to form a central frame assembly, and then places the central frame assembly on the upper part of the bottom plate, pre-fixes the second connecting platform 211 and the bottom plate by screws, and then covers the second cover plate 4, and fixes the second cover plate 4 and the bottom plate 1 by screws, and finally covers the first cover plate 3, and the first studs 31 of the first cover plate 3 respectively abut the second connecting platform 221, the third connecting platform 241 and the connecting platform (not shown in the figure) located in the third frame 23, the screws penetrate the bottom plate 1 and the second connecting platform 221 from bottom to top and are inserted into the first studs 31 for fixing, the screws penetrate the bottom plate 1 and the third connecting platform 241 from bottom to top and are inserted into the first studs 31 for fixing, the screws penetrate the bottom plate 1 and the connecting platform in the third frame 23 from bottom to top, and are inserted into the first studs 31 for fixing, thereby realizing the assembly of the overall frame.

[0031] In the utility model, a three-layer composite structure design is realized by arranging the bottom plate 1, the center frame assembly and the cover plate, and the assembly is convenient.

[0032] The above is only a preferred embodiment of the present invention. The protection scope of the present invention is not limited to the above embodiments. All technical solutions under the concept of the present invention belong to the protection scope of the present invention. It should be pointed out that for ordinary technicians in this technical field, some improvements and modifications without departing from the principle of the present invention should also be regarded as the protection scope of the present invention.

Claims

1. A drone frame, characterized in that: The invention comprises a base plate (1) and four machine arms (5); a central frame (2) is fixed on the upper part of the base plate (1); a cover plate is covered on the upper part of the central frame (2); the central frame (2) comprises a first frame (21), a second frame (22), a third frame (23) and a fourth frame (24); the first frame (21), the second frame (22), the third frame (23) and the fourth frame (24) are arranged at intervals from each other; and the four machine arms (5) are respectively installed between the first frame (21) and the fourth frame (24), between the fourth frame (24) and the second frame (22), between the second frame (22) and the third frame (23), and between the third frame (23) and the first frame (21).

2. The drone frame according to claim 1, characterized in that: A first mounting groove (26) is formed between the first frame (21) and the fourth frame (24), a second mounting groove (27) is formed between the fourth frame (24) and the second frame (22), a third mounting groove (28) is formed between the second frame (22) and the third frame (23), and a fourth mounting groove (29) is formed between the third frame (23) and the first frame (21); the four machine arms (5) are respectively inserted into the first mounting groove (26), the second mounting groove (27), the third mounting groove (28) and the fourth mounting groove (29) for fixing.

3. The drone frame according to claim 2, characterized in that: A first connecting block (8) is fixed to one end of the machine arm (5) located on the center frame (2); the first connecting block (8) located in the first mounting groove (26) is respectively connected to the first frame (21) and the fourth frame (24); the first connecting block (8) located in the second mounting groove (27) is respectively connected to the fourth frame (24) and the second frame (22); the first connecting block (8) located in the third mounting groove (28) is respectively connected to the second frame (22) and the third frame (23); and the first connecting block (8) located in the fourth mounting groove (29) is respectively connected to the third frame (23) and the first frame (21).

4. The drone frame according to claim 1, characterized in that: A second connecting block (9) is sleeved on the outer side of the machine arm (5), and the second connecting block (9) is fixed to the center frame (2).

5. The drone frame according to claim 1, characterized in that: The first frame (21), the second frame (22), the third frame (23) and the fourth frame (24) form a central groove (25), a throwing mechanism (7) is installed in the central groove (25), and the throwing mechanism (7) is connected to the first frame (21) and the second frame (22) respectively.

6. The drone frame according to claim 5, characterized in that: The bottom plate (1) comprises an avoidance hole (12), and the avoidance hole (12) is located directly below the throwing mechanism (7).

7. The drone frame according to claim 1, characterized in that: The cover plate comprises a first cover plate (3) and a second cover plate (4), wherein the second cover plate (4) covers the upper part of the first frame (21), and the first cover plate (3) is located on the side of the second cover plate (4).

8. The drone frame according to claim 7, characterized in that: A plurality of second studs (41) are provided at the lower part of the second cover plate (4); a first through hole (11) corresponding to the second stud (41) is provided on the surface of the base plate (1); the lower end of the second stud (41) abuts against the surface of the base plate (1) and the second stud (41) faces the first through hole (11); and the second stud (41) is connected to the first through hole (11) by means of screws.

9. The drone frame according to claim 7, characterized in that: A first connecting platform (211) is provided inside the first frame (21), a second connecting platform (221) is provided inside the second frame (22), and a third connecting platform (241) is provided inside the fourth frame (24); the first connecting platform (211), the second connecting platform (221) and the third connecting platform (241) respectively abut against the upper part of the bottom plate (1) and are connected to the bottom plate (1) by screws.

10. The drone frame according to claim 9, characterized in that: The first cover plate (3) is provided with first studs (31) corresponding to the second connecting platform (221) and the third connecting platform (241) at the lower part, and the corresponding first studs (31) can respectively abut against the upper surfaces of the second connecting platform (221) and the third connecting platform (241).

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