CN213008716U

CN213008716U - Rotor wing device for unmanned aerial vehicle

Info

Publication number: CN213008716U
Application number: CN202022129380.2U
Authority: CN
Inventors: 刘仁华; 付森峰; 刘智国
Original assignee: Huizhou Zhonghe Aviation Technology Co ltd
Current assignee: Huizhou Zhonghe Aviation Technology Co ltd
Priority date: 2020-09-25
Filing date: 2020-09-25
Publication date: 2021-04-20
Anticipated expiration: 2030-09-25

Abstract

The utility model discloses a rotor device for unmanned aerial vehicle, including rotor main body, safety cover, connecting rod, spacing ring, nut piece, spacing subassembly, first arc pole, spliced pole, first arc pin, first protection pad, second arc pole, first spacing recess, stopper, third arc pole, first arc recess, second protection pad, second arc pin, second spacing recess and arc, the internally mounted of safety cover has the rotor main body, this utility model, utilize the first arc pin, second arc pole and the second arc pin of installation, avoided unmanned aerial vehicle to contact with the branch in flight and lead to the damage of rotor device, thereby prolonged the utility model's life, utilize the nut piece of rotation to fix spacing subassembly simultaneously to carry out fixed mounting to first arc pin, second arc pole and second arc pin, the fixing mode not only reduces the labor intensity, but also improves the working efficiency.

Description

Rotor wing device for unmanned aerial vehicle

Technical Field

The utility model relates to an unmanned air vehicle technique field specifically is a rotor device for unmanned aerial vehicle.

Background

Rotor unmanned aerial vehicle, a special unmanned helicopter with rotor shaft, rotor unmanned aerial vehicle has foldablely, the VTOL, can hover, require advantage such as low to the place, favored by masses, but the in-process that uses unmanned aerial vehicle to fly easily makes rotor and branch collision lead to unmanned aerial vehicle's damage, thereby need install protective structure and protect the rotor device, but protective structure installation steps on the rotor device is loaded down with trivial details now, be unfavorable for the dismouting, thereby intensity of labour has been increaseed, and work efficiency is reduced simultaneously.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a rotor device for unmanned aerial vehicle to solve the problem that proposes in the above-mentioned background art.

In order to solve the technical problem, the utility model provides a following technical scheme: a rotor wing device for an unmanned aerial vehicle comprises a rotor wing main body, a protective cover, a connecting rod, a limiting ring, a nut block, a limiting assembly, a first arc-shaped rod, a connecting column, a first arc-shaped stop rod, a first protective pad, a second arc-shaped rod, a first limiting groove, a limiting block, a third arc-shaped rod, a first arc-shaped groove, a second protective pad, a second arc-shaped stop rod, a second limiting groove and an arc-shaped plate, wherein the rotor wing main body is arranged inside the protective cover, the top center of the nut block is fixedly connected with the bottom end of the limiting ring, the top end of the first arc-shaped rod is fixedly connected with the bottom end of the arc-shaped plate, the arc-shaped plate is positioned inside the first arc-shaped groove formed in the bottom end of the center of the other side of the protective cover, the bottom end of the center of the other side of the protective cover is positioned inside the first arc-, and the third arc pole is located the inside of second arc recess, the opposite side center department of safety cover is located the inside center department of first arc recess and has seted up the spacing recess of second, and the one end of stopper is located the inside of the spacing recess of second, the other end of stopper and one side center department fixed connection of arc, the opposite side center both ends of arc respectively with the one end fixed connection of spliced pole, the top center both sides of second arc pin respectively with the bottom fixed connection of second arc pole, the top of second arc pole respectively with the bottom center both sides fixed connection of first arc pin.

Further, outside one side center top of safety cover and the one end fixed connection of connecting rod, the other end and the unmanned aerial vehicle fixed connection of connecting rod, the thread groove has been seted up to the outside bottom of safety cover, and this thread groove is connected with the inside of nut piece mutually supporting.

Furthermore, first spacing recess has been seted up to the top center edge of spacing ring, and the bottom of first arc pole is located the inside of first spacing recess in the spacing subassembly, spacing subassembly includes first arc pole, stopper, third arc pole and arc.

Furthermore, the other end of the connecting column is fixedly connected with two ends of the center of one side of the second arc-shaped stop lever respectively, and a first protection pad is bonded at the center of the other side of the second arc-shaped stop lever.

Furthermore, one side of first arc pin bonds and has the second protection pad, the bottom of first arc pin is located the top of rotor main part.

Compared with the prior art, the utility model discloses the beneficial effect who reaches is: the utility model discloses a, utilize first arc pin, second arc pole and the second arc pin of installation, avoided unmanned aerial vehicle to lead to the damage of rotor device with the branch contact in flight to prolonged this utility model's life, utilized rotatory nut piece to fix spacing subassembly simultaneously, thereby carried out fixed mounting to first arc pin, second arc pole and second arc pin, this fixed mode has not only reduced intensity of labour, has still improved work efficiency.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a perspective view of the protective cover of the present invention;

fig. 3 is a schematic view of the overall structure of the limiting assembly of the present invention;

FIG. 4 is a perspective view of the stop collar of the present invention;

in the figure: 1. a rotor body; 2. a protective cover; 3. a connecting rod; 4. a limiting ring; 5. a nut block; 6. a limiting component; 7. a first arcuate bar; 8. connecting columns; 9. a first arcuate stop lever; 10. a first protection pad; 11. a second arcuate bar; 12. a first limit groove; 13. a limiting block; 14. a third arcuate bar; 15. a first arc-shaped groove; 16. a second arc-shaped groove; 17. a second protection pad; 18. a second arc-shaped stop lever; 19. a second limit groove; 20. an arc-shaped plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a rotor wing device for an unmanned aerial vehicle comprises a rotor wing main body 1, a protective cover 2, a connecting rod 3, a limiting ring 4, a nut block 5, a limiting component 6, a first arc-shaped rod 7, a connecting column 8, a first arc-shaped stop rod 9, a first protective pad 10, a second arc-shaped rod 11, a first limiting groove 12, a limiting block 13, a third arc-shaped rod 14, a first arc-shaped groove 15, a second arc-shaped groove 16, a second protective pad 17, a second arc-shaped stop rod 18, a second limiting groove 19 and an arc-shaped plate 20, wherein the rotor wing main body 1 is installed inside the protective cover 2, the top end of the center of one side of the outer part of the protective cover 2 is fixedly connected with one end of the connecting rod 3, the other end of the connecting rod 3 is fixedly connected with the unmanned aerial vehicle, a thread groove is formed in the bottom end of the outer part of the protective cover 2, the thread groove is mutually matched and connected with the inner part of the nut block 5, the nut, the edge of the center of the top end of the limiting ring 4 is provided with a first limiting groove 12, the bottom end of a first arc-shaped rod 7 in the limiting assembly 6 is positioned inside the first limiting groove 12, the limiting assembly 6 comprises the first arc-shaped rod 7, a limiting block 13, a third arc-shaped rod 14 and an arc-shaped plate 20, the limiting assembly 6 is favorable for installation, the top end of the first arc-shaped rod 7 is fixedly connected with the bottom end of the arc-shaped plate 20, the top end of the arc-shaped plate 20 is fixedly connected with the bottom end of the third arc-shaped rod 14, the arc-shaped plate 20 is positioned inside a first arc-shaped groove 15 arranged at the bottom end of the center of the other side of the protecting cover 2, the bottom end of the center of the other side of the protecting cover 2 is positioned inside the first arc-shaped groove 15, the top end of the inside of the first arc-shaped groove 15 is provided with a second arc-shaped groove 16, one end of a limiting block 13 is located inside the second limiting groove 19, the other end of the limiting block 13 is fixedly connected with the center of one side of an arc plate 20, two ends of the center of the other side of the arc plate 20 are fixedly connected with one end of a connecting column 8 respectively, the other end of the connecting column 8 is fixedly connected with two ends of the center of one side of a second arc-shaped stop lever 18 respectively, a first protection pad 10 is bonded at the center of the other side of the second arc-shaped stop lever 18, the rotor wing of the unmanned aerial vehicle is protected conveniently, two sides of the center of the top end of the second arc-shaped stop lever 18 are fixedly connected with the bottom end of a second arc-shaped stop lever 11 respectively, the top end of the second arc-shaped stop lever 11 is fixedly connected with two sides of the center of the bottom end of a first arc-shaped stop lever 9 respectively, a second protection pad 17 is bonded at one; when the utility model works, firstly, the limiting block 13 is manually placed inside the second limiting groove 19, then the connecting column 8 is moved to drive the arc-shaped plate 20 to move, so that the third arc-shaped rod 14 installed on the arc-shaped plate 20 is positioned inside the second arc-shaped groove 16, then the limiting ring 4 is rotated by rotating the nut block 5, and the limiting ring 4 and the protective cover 2 move relatively, along with the continuous movement of the limiting ring 4, so that the first arc-shaped rod 7 is positioned inside the limiting ring 4, and further the third arc-shaped rod 14 and the first arc-shaped rod 7 are respectively positioned inside the second arc-shaped groove 16 and the first limiting groove 12, thereby fixing the limiting component 6, further fixedly installing the connecting column 8, the second arc-shaped rod 11 and the second arc-shaped stop rod 18, when the limiting component 6 is disassembled, the nut block 5 is rotated reversely to drive the reverse movement of the limiting ring 4, and then make third arc pole 14 and first arc pole 7 separate with second arc recess 16 and first spacing recess 12 respectively and can dismantle spacing subassembly 6, this fixed mode is simple, has not only reduced intensity of labour, has still improved work efficiency.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A rotor device for unmanned aerial vehicle, including rotor main part (1), safety cover (2), connecting rod (3), spacing ring (4), nut piece (5), spacing subassembly (6), first arc pole (7), spliced pole (8), first arc pin (9), first protection pad (10), second arc pole (11), first spacing recess (12), stopper (13), third arc pole (14), first arc recess (15), second arc recess (16), second protection pad (17), second arc pin (18), spacing recess of second (19) and arc (20), its characterized in that: the rotor wing is characterized in that a rotor wing main body (1) is arranged in the protective cover (2), the top center of the nut block (5) is fixedly connected with the bottom end of the limiting ring (4), the top end of the first arc-shaped rod (7) is fixedly connected with the bottom end of the arc-shaped plate (20), the top end of the arc-shaped plate (20) is fixedly connected with the bottom end of the third arc-shaped rod (14), the arc-shaped plate (20) is positioned in a first arc-shaped groove (15) formed in the bottom end of the center of the other side of the protective cover (2), the bottom end of the center of the other side of the protective cover (2) is positioned in the top end of the first arc-shaped groove (15) and provided with a second arc-shaped groove (16), the third arc-shaped rod (14) is positioned in the second arc-shaped groove (16), the center of the other side of the protective cover (2) is positioned in the center of, and the one end of stopper (13) is located the inside of the spacing recess of second (19), the other end of stopper (13) and one side center department fixed connection of arc (20), the opposite side center both ends of arc (20) respectively with the one end fixed connection of spliced pole (8), the top center both sides of second arc pin (18) respectively with the bottom fixed connection of second arc pin (11), the top of second arc pin (11) respectively with the bottom center both sides fixed connection of first arc pin (9).

2. A rotor apparatus for a drone according to claim 1, wherein: the utility model discloses a safety protection cover, including safety cover (2), the outside one side center top of safety cover (2) and the one end fixed connection of connecting rod (3), the other end and the unmanned aerial vehicle fixed connection of connecting rod (3), the thread groove has been seted up to the outside bottom of safety cover (2), and this thread groove is connected with the inside of nut piece (5) mutually supporting.

3. A rotor apparatus for a drone according to claim 1, wherein: first spacing recess (12) have been seted up to the top center edge of spacing ring (4), and the bottom of first arc pole (7) is located the inside of first spacing recess (12) in spacing subassembly (6), spacing subassembly (6) include first arc pole (7), stopper (13), third arc pole (14) and arc (20).

4. A rotor apparatus for a drone according to claim 1, wherein: the other end of the connecting column (8) is fixedly connected with two ends of the center of one side of the second arc-shaped stop lever (18), and a first protective pad (10) is bonded at the center of the other side of the second arc-shaped stop lever (18).

5. A rotor apparatus for a drone according to claim 1, wherein: one side of first arc pin (9) bonds and has second protection pad (17), the bottom of first arc pin (9) is located the top of rotor main part (1).