CN218086007U - Unmanned aerial vehicle wing arm folding mechanism - Google Patents
Unmanned aerial vehicle wing arm folding mechanism Download PDFInfo
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- CN218086007U CN218086007U CN202220890786.9U CN202220890786U CN218086007U CN 218086007 U CN218086007 U CN 218086007U CN 202220890786 U CN202220890786 U CN 202220890786U CN 218086007 U CN218086007 U CN 218086007U
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- aerial vehicle
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Abstract
The utility model discloses an unmanned aerial vehicle wing arm folding mechanism relates to the unmanned air vehicle technique field, including unmanned aerial vehicle body and connecting axle, the unmanned aerial vehicle body with the bottom of connecting axle is provided with folding unit. The utility model discloses a set up folding unit and fixed unit, pulling third arc piece drives first arc piece extrusion arc spring and removes to one end, pull out first arc piece from fixed orifices of connecting axle inner wall, rotate the wing arm afterwards, it rotates with torsional spring one end to drive little straight-teeth gear through the connecting axle, the big straight-teeth gear of drive rotates, thereby drive other three little straight-teeth gears and drive a wing arm through a connecting axle respectively and rotate, thereby fold the outer wall of unmanned aerial vehicle body with four wing arms, loosen third arc piece afterwards, the arc spring promotes first arc piece and resets, make first arc piece insert in another fixed orifices of connecting axle outer wall, fix the wing arm, realize the folding function of wing arm with this.
Description
Technical Field
The utility model relates to an unmanned air vehicle technique field specifically is an unmanned aerial vehicle wing arm folding mechanism.
Background
With the development of technology, more and more consumers are paying attention to and using unmanned aerial vehicles. Unmanned vehicles, unmanned aerial vehicle for short, is a flying device who is in rapid development, and it has flexible, the reaction is quick, unmanned flight, operation advantage that the requirement is low.
The current unmanned aerial vehicle includes the fuselage, the wing arm that links to each other with the fuselage, and most unmanned aerial vehicle's wing arm is used for power structures such as fixed paddle, and the part that stretches out the unmanned aerial vehicle fuselage is more for unmanned aerial vehicle's is bulky, can not fold the wing arm, thereby inconvenient carrying transportation.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: in order to solve the problem that the wing arm cannot be folded, the wing arm folding mechanism of the unmanned aerial vehicle is provided.
In order to achieve the above object, the utility model provides a following technical scheme: an unmanned aerial vehicle wing arm folding mechanism comprises an unmanned aerial vehicle body and a connecting shaft rotatably connected to the inner wall of the unmanned aerial vehicle body, wherein a wing arm is fixedly connected to the outer wall of the connecting shaft, and folding units are arranged at the bottom ends of the unmanned aerial vehicle body and the connecting shaft and used for folding the wing arm;
the folding unit comprises a connecting shell, a large straight gear, a small straight gear and a torsion spring, the connecting shell is fixedly connected to the bottom end of the unmanned aerial vehicle body, the large straight gear is rotatably connected to the inside of the connecting shell, the small straight gear is fixedly connected to the outer wall of the connecting shaft, the torsion spring is fixedly connected to the bottom end of the connecting shaft, and one end of the torsion spring is fixedly connected with the connecting shell;
the connecting shell is internally provided with a fixing unit at one side of the connecting shaft, and the fixing unit is used for fixing the connecting shaft and the connecting shell.
As a further aspect of the present invention: the fixed unit comprises a first arc-shaped block, a second arc-shaped block and an arc-shaped spring, the second arc-shaped block is fixedly connected inside the connecting shell, the first arc-shaped block is connected to the bottom end of the second arc-shaped block in a sliding mode, one end of the first arc-shaped block penetrates through the inner wall of the connecting shaft, one end of the arc-shaped spring is fixedly connected with the first arc-shaped block, and the other end of the arc-shaped spring is fixedly connected with the second arc-shaped block.
As a further aspect of the present invention: the outer wall of the large straight gear is fixedly connected with a rotating shaft, the inner wall of the connecting shell is provided with a rotating groove matched with the rotating shaft, and the large straight gear is rotatably connected with the connecting shell through the rotating shaft fixedly connected with the outer wall.
As a further aspect of the present invention: the connecting shafts are four, the bottom ends of the four connecting shafts penetrate through the inside of the connecting shell respectively, and through holes matched with the connecting shafts are formed in the inner wall of the connecting shell.
As the utility model discloses further scheme again: the small straight gear is arranged inside the connecting shell, the small straight gear is meshed with the large straight gear, the outer wall of the connecting shaft is fixedly connected with a bearing sleeve, and the connecting shaft is rotatably connected with the unmanned aerial vehicle body through the bearing sleeve fixedly connected with the outer wall.
As a further aspect of the present invention: the top fixedly connected with arc stopper of first arc piece, the bottom of second arc piece is seted up with the spacing spout of arc stopper assorted arc, first arc piece through top fixed connection's arc stopper with second arc piece sliding connection.
As a further aspect of the present invention: the inner wall of the connecting shaft is provided with two fixing holes matched with the first arc-shaped blocks, and the two fixing holes are distributed on the outer wall of the connecting shaft in a staggered manner.
Compared with the prior art, the beneficial effects of the utility model are that:
through setting up folding unit and fixed unit, the pulling third arc piece drives first arc piece extrusion arc spring and removes to one end, pull out first arc piece from fixed orifices of connecting axle inner wall, rotate the wing arm afterwards, it rotates with torsional spring one end to drive little straight-teeth gear through the connecting axle, the big straight-teeth gear of drive rotates, thereby drive other three little straight-teeth gears and drive a wing arm through a connecting axle respectively and rotate, thereby fold the outer wall of unmanned aerial vehicle body with four wing arms, loosen third arc piece afterwards, the arc spring promotes first arc piece and resets, make first arc piece insert in another fixed orifices of connecting axle outer wall, fix the wing arm, realize the folding function of wing arm with this.
Drawings
FIG. 1 is a schematic view of the present invention;
FIG. 2 is a schematic view of the internal structure of the connecting shell of the present invention;
FIG. 3 is an enlarged view of the point A of the present invention;
fig. 4 is a schematic structural view of the folding unit and the fixing unit of the present invention;
fig. 5 is an enlarged view of the position B of the present invention.
In the figure: 1. an unmanned aerial vehicle body; 2. a wing arm; 3. a connecting shaft; 4. a folding unit; 401. a connecting shell; 402. a large spur gear; 403. a small spur gear; 404. a torsion spring; 5. a fixing unit; 501. a first arc-shaped block; 502. a second arc-shaped block; 503. an arc spring.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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 efforts all belong to the protection scope of the present invention.
Referring to fig. 1 to 5, in an embodiment of the present invention, an unmanned aerial vehicle wing arm folding mechanism includes an unmanned aerial vehicle body 1 and a connecting shaft 3 rotatably connected to an inner wall of the unmanned aerial vehicle body 1, a wing arm 2 is fixedly connected to an outer wall of the connecting shaft 3, and a folding unit 4 is disposed at bottom ends of the unmanned aerial vehicle body 1 and the connecting shaft 3 for folding the wing arm 2;
the folding unit 4 comprises a connecting shell 401, a large spur gear 402, a small spur gear 403 and a torsion spring 404, the connecting shell 401 is fixedly connected to the bottom end of the unmanned aerial vehicle body 1, the large spur gear 402 is rotatably connected to the inside of the connecting shell 401, the small spur gear 403 is fixedly connected to the outer wall of the connecting shaft 3, the torsion spring 404 is fixedly connected to the bottom end of the connecting shaft 3, and one end of the torsion spring is fixedly connected with the connecting shell 401;
a fixing unit 5 for fixing the connecting shaft 3 and the connection housing 401 is provided inside the connection housing 401 at one side of the connecting shaft 3.
In this embodiment: firstly, when needs accomodate winged arm 2, rotate a winged arm 2 earlier, drive little spur gear 403 and torsional spring 404 one end through connecting axle 3 and rotate, when little spur gear 403 rotates, the big spur gear 402 of drive rotates, other three little spur gear 403 of big spur gear 402 rotary drive winged arm 2 through a connecting axle 3 respectively rotate, thereby fold the outer wall to unmanned aerial vehicle body 1 with four winged arms 2, with this realization winged arm 2 folding function, thereby reduce unmanned aerial vehicle body 1's volume, the person of facilitating the use carries.
Please refer to fig. 2-5, the fixing unit 5 includes a first arc block 501, a second arc block 502 and an arc spring 503, the second arc block 502 is fixedly connected inside the connecting housing 401, the first arc block 501 is slidably connected to the bottom end of the second arc block 502, and one end of the first arc block 501 penetrates through the inner wall of the connecting shaft 3, one end of the arc spring 503 is fixedly connected to the first arc block 501, and the other end of the arc spring is fixedly connected to the second arc block 502.
In this embodiment: the bottom fixedly connected with of first arc piece 501 runs through to the third arc piece of connecting shell 401 bottom, the bottom of connecting shell 401 is seted up with third arc piece assorted spout, when needing to fold wing arm 2, the user uses one hand to stimulate first third arc piece earlier and drives first arc piece 501 extrusion arc spring 503 and move to one end, pull out first arc piece 501 from a fixed orifices of connecting axle 3 inner wall, make connecting axle 3 no longer fixed, rotate wing arm 2 afterwards and drive connecting axle 3 and rotate, when wing arm 2 rotates the maximum position, another fixed orifices that connecting axle 3 inner wall was seted up is located one side of first arc piece 501, loosen third arc piece afterwards, the arc spring promotes first arc piece 501 and resets, make first arc piece 501 insert in another fixed orifices of connecting axle 3 outer wall, fix wing arm 2, the function of fixing connecting axle 3 and connecting shell 401 has been realized through the cooperation of above-mentioned a plurality of parts after folding, thereby convenience of users fixes wing arm 2 at the assigned position.
Please refer to fig. 1-5, the outer wall of the large spur gear 402 is fixedly connected with a rotating shaft, the inner wall of the connecting shell 401 is provided with a rotating groove matched with the rotating shaft, the large spur gear 402 is rotatably connected with the connecting shell 401 through the rotating shaft fixedly connected with the outer wall, four connecting shafts 3 are provided, the bottom ends of the four connecting shafts 3 respectively penetrate through the inside of the connecting shell 401, the inner wall of the connecting shell 401 is provided with a through hole matched with the connecting shaft 3, the small spur gear 403 is arranged inside the connecting shell 401, the small spur gear 403 is meshed with the large spur gear 402, the outer wall of the connecting shaft 3 is fixedly connected with a bearing sleeve, and the connecting shaft 3 is rotatably connected with the unmanned aerial vehicle body 1 through the bearing sleeve fixedly connected with the outer wall.
In this embodiment: rotate a wing arm 2, drive little spur gear 403 and torsional spring 404 one end through connecting axle 3 and rotate, when little spur gear 403 rotates, drive big spur gear 402 and rotate, through connecting axle 3 outer wall fixed connection's bearing housing, reduce the frictional force between connecting axle 3 and the unmanned aerial vehicle body 1.
Please refer to fig. 3-5, the top end of the first arc-shaped block 501 is fixedly connected with an arc-shaped limiting block, the bottom end of the second arc-shaped block 502 is provided with an arc-shaped limiting chute matched with the arc-shaped limiting block, the first arc-shaped block 501 is slidably connected with the second arc-shaped block 502 through the arc-shaped limiting block fixedly connected with the top end, the inner wall of the connecting shaft 3 is provided with two fixing holes matched with the first arc-shaped block 501, and the two fixing holes are distributed on the outer wall of the connecting shaft 3 in a staggered manner.
In this embodiment: be convenient for pulling third arc piece and drive first arc piece 501 extrusion arc spring 503 and remove to one end, pull out first arc piece 501 from a fixed orifices of 3 inner walls of connecting axle, when wing arm 2 rotated the maximum position, another fixed orifices that 3 inner walls of connecting axle were seted up was located one side of first arc piece 501, loosen the third arc piece afterwards, arc spring promotes first arc piece 501 and resets, makes first arc piece 501 insert in another fixed orifices of 3 outer walls of connecting axle.
The above-mentioned, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (7)
1. The wing arm folding mechanism of the unmanned aerial vehicle comprises an unmanned aerial vehicle body (1) and a connecting shaft (3), wherein a wing arm (2) is fixedly connected to the outer wall of the connecting shaft (3), and is characterized in that folding units (4) are arranged at the bottom ends of the unmanned aerial vehicle body (1) and the connecting shaft (3) and used for folding the wing arm (2);
the folding unit (4) comprises a connecting shell (401), a large straight gear (402), a small straight gear (403) and a torsion spring (404), the connecting shell (401) is connected to the bottom end of the unmanned aerial vehicle body (1), the large straight gear (402) is connected to the inside of the connecting shell (401), the small straight gear (403) is connected to the outer wall of the connecting shaft (3), and the torsion spring (404) is connected to the bottom end of the connecting shaft (3);
the connecting shell (401) is internally provided with a fixing unit (5) on one side of the connecting shaft (3) for fixing the connecting shaft (3) and the connecting shell (401).
2. The unmanned aerial vehicle wing arm folding mechanism of claim 1, wherein the fixing unit (5) comprises a first arc-shaped block (501), a second arc-shaped block (502) and an arc-shaped spring (503), the second arc-shaped block (502) is fixedly connected inside the connecting shell (401), the first arc-shaped block (501) is slidably connected at the bottom end of the second arc-shaped block (502), and one end of the arc-shaped spring (503) is fixedly connected with the first arc-shaped block (501).
3. The unmanned aerial vehicle wing arm folding mechanism of claim 1, wherein the outer wall of the large spur gear (402) is fixedly connected with a rotating shaft, and the inner wall of the connecting shell (401) is provided with a rotating groove.
4. The unmanned aerial vehicle wing arm folding mechanism of claim 1, characterized in that there are four connecting shafts (3), and the inner wall of the connecting shell (401) is provided with through holes.
5. The unmanned aerial vehicle wing arm folding mechanism is characterized in that the small spur gear (403) is arranged inside the connecting shell (401), the small spur gear (403) is meshed with the large spur gear (402), and a bearing sleeve is fixedly connected to the outer wall of the connecting shaft (3).
6. The unmanned aerial vehicle wing arm folding mechanism of claim 2, wherein an arc-shaped limiting block is fixedly connected to the top end of the first arc-shaped block (501), and an arc-shaped limiting sliding groove is formed in the bottom end of the second arc-shaped block (502).
7. The unmanned aerial vehicle wing arm folding mechanism of claim 2, wherein two fixing holes are formed in an inner wall of the connecting shaft (3), and the two fixing holes are distributed in an outer wall of the connecting shaft (3) in a staggered manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220890786.9U CN218086007U (en) | 2022-04-18 | 2022-04-18 | Unmanned aerial vehicle wing arm folding mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220890786.9U CN218086007U (en) | 2022-04-18 | 2022-04-18 | Unmanned aerial vehicle wing arm folding mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218086007U true CN218086007U (en) | 2022-12-20 |
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ID=84459849
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220890786.9U Active CN218086007U (en) | 2022-04-18 | 2022-04-18 | Unmanned aerial vehicle wing arm folding mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218086007U (en) |
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2022
- 2022-04-18 CN CN202220890786.9U patent/CN218086007U/en active Active
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