CN212605766U - Automatic foldable unmanned aerial vehicle - Google Patents
Automatic foldable unmanned aerial vehicle Download PDFInfo
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- CN212605766U CN212605766U CN202021218099.XU CN202021218099U CN212605766U CN 212605766 U CN212605766 U CN 212605766U CN 202021218099 U CN202021218099 U CN 202021218099U CN 212605766 U CN212605766 U CN 212605766U
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Abstract
The utility model belongs to the technical field of unmanned aerial vehicle, especially, relate to an automatic foldable unmanned aerial vehicle, including organism, drive disk, electric steering wheel, horn and connecting rod, electric steering wheel sets up in the organism, and the main shaft of electric steering wheel stretch out to the top of organism, the drive disk is connected with electric steering wheel's main shaft, and the one end of each horn all articulates with the organism, and the pin joint of each horn and organism forms circular array and distributes, and the one end of each connecting rod all articulates with the drive disk, and the pin joint of each connecting rod and drive disk forms circular array and distributes, and the other end of each connecting rod articulates with the arm body of each horn respectively. The utility model discloses be fit for using at the automatic airport of unmanned aerial vehicle that the volume is less for the volume at the automatic airport of unmanned aerial vehicle can reduce the design, reduces the weight and the manufacturing cost at the automatic airport of unmanned aerial vehicle, promotes the flexibility at unmanned airport, guarantees the automatic airport of unmanned aerial vehicle that compatible volume is littleer under the prerequisite that unmanned aerial vehicle's original flight performance does not reduce.
Description
Technical Field
The utility model belongs to the technical field of unmanned aerial vehicle, especially, relate to an automatic foldable unmanned aerial vehicle.
Background
The folding mode of the existing unmanned aerial vehicle horn in the existing market is manually folded, and the existing unmanned aerial vehicle folding mode can not be used for an automatic airport of the unmanned aerial vehicle. This just leads to the automatic airport of unmanned aerial vehicle to be bulky, and the automatic airport of the less unmanned aerial vehicle who has had volume on the market can't carry on large-and-medium-sized unmanned aerial vehicle, can only carry on take photo by plane or patrol and examine the flexibility that unmanned aerial vehicle had restricted the unmanned aerial vehicle airport, has restricted the use at the less automatic airport of unmanned aerial vehicle of volume, causes its function singleness.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an automatic foldable unmanned aerial vehicle aims at solving the technical problem that the manual foldable unmanned aerial vehicle among the prior art can't be used for the automatic airport of unmanned aerial vehicle.
In order to achieve the above object, an embodiment of the utility model provides an automatic folding type unmanned aerial vehicle, including organism, drive disk, electric steering engine, horn and connecting rod, electric steering engine set up in the organism, just the main shaft of electric steering engine stretches out to the top of organism, the drive disk with the main shaft of electric steering engine is connected, each the one end of horn all with the organism is articulated, and each the horn with the pin joint of organism forms with the circular array distribution that the main shaft of electric steering engine is the center, each the one end of connecting rod all with the drive disk is articulated, and each the connecting rod with the pin joint of drive disk forms with the circular array distribution that the main shaft of electric steering engine is the center, each the other end of connecting rod respectively with each the arm body of horn is articulated.
Optionally, the electric steering engine is a limit steering engine.
Optionally, an end surface of one end of the machine arm hinged to the machine body is an arc surface.
Optionally, the width of the link is less than the width of the horn.
Optionally, an upper end surface of the driving disk is flush with an upper end surface of each of the arms.
Optionally, the number of the booms is four, and when each of the booms is fully unfolded, a connection line of two diagonally arranged booms is perpendicular to a connection line of the other two diagonally arranged booms.
Optionally, when each of the arms is completely folded, an included angle between two adjacent arms is the same as an included angle between two adjacent connecting rods.
Optionally, when each of the arms is completely folded, an included angle between two adjacent arms and an included angle between two adjacent connecting rods are both 85 ° to 95 °.
Optionally, the driving disc is rectangular, one end of each of the four connecting rods is hinged to each of the four corners of the driving disc, and the length of each connecting rod is greater than the length of the rectangular side of the driving disc.
Optionally, four corners of the rectangular driving disk are provided with chamfered surfaces.
The embodiment of the utility model provides an above-mentioned one or more technical scheme in the automatic foldable unmanned aerial vehicle have one of following technological effect at least: after an electric steering engine arranged in the machine body is started, a driving disc connected with the main shaft of the electric steering engine can be driven to rotate, when the driving disc rotates, each connecting rod hinged on the driving disc is driven to swing, and the other end of each connecting rod is hinged on an arm body of a machine arm, and each machine arm is hinged with the machine body, so that the connecting rods can pull the machine arms to swing by taking the hinged point of the machine arms and the machine body as an axis when swinging until each machine arm forms an encircling mode, and the folding of the machine arms is finished; in a similar way, when each horn needs to be unfolded, the electric steering engine rotates reversely. The folding and unfolding of each arm can completely realize unmanned operation under the control of an electric steering engine, so that the automatic folding unmanned aerial vehicle provided by the embodiment of the utility model is suitable for being applied to an unmanned aerial vehicle automatic airport with smaller volume, the volume of the unmanned aerial vehicle automatic airport can be designed in a shrinking way, and the weight and the manufacturing cost of the unmanned aerial vehicle automatic airport can be reduced; and can also promote the flexibility at unmanned airport, guarantee that unmanned aerial vehicle's original flight performance is compatible under the prerequisite that does not reduce the automatic airport of unmanned aerial vehicle that the volume is littleer.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.
Fig. 1 is the embodiment of the utility model provides an automatic foldable unmanned aerial vehicle's spatial structure schematic diagram.
Fig. 2 is a schematic structural view of the automatic folding drone provided in fig. 1 when fully unfolded.
Fig. 3 is a schematic structural diagram of the automatic folding unmanned aerial vehicle provided in fig. 1 when folded.
Fig. 4 is a schematic structural diagram of the automatic folding type unmanned aerial vehicle provided in fig. 1 when fully folded.
Wherein, in the figures, the respective reference numerals:
10-machine body 20-driving disc 21-chamfer surface
30-horn 31-arc surface 40-connecting rod.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below by referring to the drawings are exemplary and intended to explain the embodiments of the present invention and are not to be construed as limiting the present invention.
In the description of the embodiments of the present invention, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings, which is only for convenience in describing the embodiments of the present invention and simplifying the description, and do not indicate or imply that the device or element so indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the embodiments of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as fixed or detachable connections or as an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the embodiments of the present invention can be understood by those skilled in the art according to specific situations.
The utility model discloses an embodiment, as shown in fig. 1 ~ 4, provide an automatic foldable unmanned aerial vehicle, including organism 10, driving disk 20, electric steering wheel, horn 30 and connecting rod 40, wherein, organism 10 can be large-and-medium-sized unmanned aerial vehicle's organism usually, and unmanned aerial vehicle's organism or the organism of patrolling and examining unmanned aerial vehicle take photo by plane, and unmanned aerial vehicle can be for many rotor unmanned aerial vehicle, like four rotor unmanned aerial vehicle, six rotor unmanned aerial vehicle, eight rotor unmanned aerial vehicle etc.. Electric steering engine (not shown) set up in organism 10, electric steering engine realizes automatic expansion and folding the power supply for automatic foldable unmanned aerial vehicle in this embodiment. The main shaft of the electric steering engine extends to the upper part of the machine body 10, and the driving disc 20 is connected with the main shaft of the electric steering engine.
Furthermore, one end of each of the horn 30 is hinged to the machine body 10, the hinging between the horn 30 and the machine body 10 is preferably realized by adopting a shaft hole matching manner, and a hinge point between each of the horn 30 and the machine body 10 forms a circular array distribution taking the main shaft of the electric steering engine as a center, that is, a connecting line of connecting points of each of the horn 30 and each of the shaft holes of the machine body 10 forms a regular polygon, and the circular array distribution is realized taking the main shaft of the electric steering engine as a center. Wherein each horn 30 is symmetrically arranged as a pair every two, that is, the number of horns 30 may be four, six, or eight, etc.
Furthermore, one end of each connecting rod 40 is hinged to the driving disk 20, and similarly, the connection between the connecting rods 40 and the driving disk 20 is preferably realized in a way of matching shaft holes, and the hinge points of the connecting rods 40 and the driving disk 20 form circular array distribution taking the main shaft of the electric steering engine as the center, that is, the connecting lines of the connecting points of the connecting rods 40 and the shaft holes of the driving disk 20 form a regular quadrangle, and the circular array distribution is realized taking the main shaft of the electric steering engine as the center. Meanwhile, the other end of each connecting rod 40 is hinged to the arm body of each horn 30, and similarly, the connection between the connecting rod 40 and the arm body of the horn 30 is preferably realized in a shaft hole matching manner.
So design, connecting rod 40 can use the pin joint with drive disk 20 as the axle center swing, and horn 30 then can use the pin joint with connecting rod 40 as the axle center swing and use the pin joint with organism 10 as the axle center swing, and then can ensure that drive disk 20 rotates and drives connecting rod 40 swing under electric steering engine's control, connecting rod 40 drives horn 30 and uses two pin joints to swing as the axle center for each horn 30 can encircle the periphery of embracing drive disk 20 and realize folding, and structural design is very ingenious.
Specifically, after an electric steering engine arranged in the machine body 10 is started, a main shaft of the electric steering engine can drive a driving disc 20 connected with the electric steering engine to rotate, when the driving disc 20 rotates, each connecting rod 40 hinged on the driving disc 20 is driven to swing, because the other end of each connecting rod 40 is hinged on an arm body of each horn 30, and each horn 30 is hinged with the machine body 10, the connecting rods 40 can also pull the horns 30 to swing by taking a hinged point of the horns 30 and the machine body 10 as an axis when swinging, until each horn 30 forms an encircling shape, the folding of the horns 30 is completed; similarly, when each horn 30 needs to be unfolded, the electric steering engine rotates reversely. The folding and unfolding of each horn 30 can completely realize unmanned operation under the control of the electric steering engine, thus the automatic folding unmanned aerial vehicle provided by the embodiment of the utility model is suitable for being applied to an unmanned aerial vehicle automatic airport with smaller volume, so that the volume of the unmanned aerial vehicle automatic airport can be designed in a shrinking way, and the weight and the manufacturing cost of the unmanned aerial vehicle automatic airport can be reduced; and can also promote the flexibility at unmanned airport, guarantee that unmanned aerial vehicle's original flight performance is compatible under the prerequisite that does not reduce the automatic airport of unmanned aerial vehicle that the volume is littleer.
In another embodiment of the present invention, as shown in fig. 2, the number of the arms 30 is four, and when each of the arms 30 is completely unfolded, the connection line of two diagonally arranged arms 30 is perpendicular to the connection line of the other two diagonally arranged arms 30. For example, when the four arms 30 are completely unfolded, the four arms 30 are radially arranged around the driving disk 20, and are respectively a first arm, a second arm, a third arm and a fourth arm, the first arm and the third arm are located on the same straight line and are a first straight line, the second arm and the third arm are located on the same straight line and are a second straight line, and the first straight line and the second straight line are perpendicular to each other. The combination that the state of expansion is the horn 30 of this kind of structure is favorable to the unmanned aerial vehicle in the equilibrium of when flying, can improve unmanned aerial vehicle's flight reliability.
In another embodiment of the present invention, as shown in fig. 4, when each of the arms 30 is completely folded, an included angle between two adjacent arms 30 is the same as an included angle between two adjacent connecting rods 40. Specifically, the overall arrangement of four horn 30 is unanimous with the overall arrangement of four connecting rod 40 to the design of two pin joints that cooperation horn 30 has makes horn 30 can encircle the periphery at driving disk 20 after rotatory certain angle, and like this, each horn 30 realizes folding, when the folding angle of horn 30 rotated to the extreme value of settlement, form first contained angle between the adjacent horn 30, form the second contained angle between the adjacent connecting rod 40, the angle value of first contained angle and second contained angle is the same, can make embracing of each horn 30 compact as far as possible, be favorable to making unmanned aerial vehicle's folding reach the miniaturization promptly.
Further, when each of the horn 30 is completely folded, an included angle between two adjacent horn 30 and an included angle between two adjacent connecting rods 40 are both 85 ° to 95 °. The included angle between two adjacent horn 30 and between two adjacent link 40 may be 85 °, 86 °, 87 °, 88 °, 89 °, 90 °, 91 °, 92 °, 93 °, 94 °, or 95 °. Within the above-mentioned angle range value, can let embracing of each horn 30 compactest, be favorable to making unmanned aerial vehicle's folding reach the minimumization promptly.
Of course, in other embodiments, the included angle between two adjacent horn 30 and the included angle between two adjacent connecting rods 40 are not limited to the range of 85 ° to 95 °.
In another embodiment of the present invention, as shown in fig. 1, the driving disk 20 is rectangular, and the driving disk 20 with this shape is favorable for setting the hinge point thereof, that is, one end of each of the four connecting rods 40 is hinged to four corners of the driving disk 20, so that the four hinge points of the four connecting rods 40 and the driving disk 20 realize circular array distribution, that is, the main shaft of the electric steering engine is used as the center to realize circular array distribution; in addition, the four connecting rods 40 after the encircling folding are surrounded to form a rectangular frame, and the driving disk 20 with the shape can also support the connecting rods 40 after the four arms 30 are encircled and folded, that is, the area of the driving disk 20 is slightly larger than the area in the rectangular frame surrounded by the four connecting rods 40.
Further, as shown in fig. 4, the length of the connecting rod 40 is greater than the side length of the driving disk 20 having a rectangular shape. Thus, when the arms 30 connected with the connecting rods 40 are folded, the four arms 30 surround the driving disk 20, so that the structure of the unmanned aerial vehicle becomes miniaturized.
In another embodiment of the present invention, as shown in fig. 3, four corners of the rectangular driving disk 20 are provided with chamfered surfaces 21. Specifically, the driving disk 20 with such a structure can avoid the interference of the connecting rod 40 caused by the sharp angle or the influence on the smoothness of the swinging of the connecting rod 40; meanwhile, the damage to the horn 30 due to the accidental contact with the horn 30 is also avoided.
In another embodiment of the present invention, the electric steering engine is a limit steering engine. The limiting steering engine is internally provided with the potentiometer, the steering angle of the main shaft can be determined through the potentiometer, the control of the forward or reverse rotation angle value of the driving disc 20 connected with the potentiometer is facilitated, the four machine arms 30 can be completely unfolded or folded through one-time control through designing of the specific rotation angle value, and the control is more accurate and reliable.
In another embodiment of the present invention, as shown in fig. 3, an end surface of one end of the arm 30 hinged to the machine body 10 is an arc surface 31. Because the four completely folded booms 30 form an encircling state, in two adjacent booms 30, the end surface of the end portion where one boom 30 is hinged to the machine body 10 may contact the arm body of the other boom 30, and by designing the end surface of the end portion to be the arc surface 31, the mutual damage between the booms 30 after encircling can be reduced, which is beneficial to prolonging the service life of the booms 30.
In another embodiment of the present invention, as shown in fig. 2, the width of the connecting rod 40 is smaller than the width of the horn 30. The width of the connecting rod 40 designed in this way is small, and the surrounding state of the folded machine arm 30 is not influenced.
In another embodiment of the present invention, as shown in fig. 1, the upper end surface of the driving disk 20 is flush with the upper end surfaces of the four horn 30. Thus, the connection of the connecting rod 40 between the horn 30 and the driving disk 20 is more stable, and the swinging of the connecting rod 40 driving the horn 30 when the driving disk 20 rotates is also more stable.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. An automatic foldable unmanned aerial vehicle, its characterized in that: the electric steering engine is arranged in the engine body, a main shaft of the electric steering engine extends to the upper portion of the engine body, the driving disc is connected with the main shaft of the electric steering engine, one end of each of the engine arms is hinged to the engine body, the engine arms and a hinge point of the engine body form circular array distribution taking the main shaft of the electric steering engine as the center, one end of each of the connecting rods is hinged to the driving disc, the hinge point of each of the connecting rods and the driving disc form circular array distribution taking the main shaft of the electric steering engine as the center, and the other end of each of the connecting rods is hinged to an arm body of each of the engine arms.
2. The automatic folding drone of claim 1, characterized in that: the electric steering engine is a limiting steering engine.
3. The automatic folding drone of claim 1, characterized in that: the end face of one end of the machine arm hinged to the machine body is an arc surface.
4. The automatic folding drone of claim 1, characterized in that: the width of the connecting rod is smaller than that of the horn.
5. The automatic folding drone of claim 1, characterized in that: the upper end face of the driving disc is flush with the upper end face of each machine arm.
6. An automatic folding unmanned aerial vehicle according to any one of claims 1 to 5, wherein: the number of the horn is four, and when each horn is completely unfolded, the connecting line of the two diagonally arranged horns is mutually perpendicular to the connection of the other two diagonally arranged horns.
7. The automatic folding drone of claim 6, characterized in that: when the machine arms are completely folded, the included angle between every two adjacent machine arms is the same as the included angle between every two adjacent connecting rods.
8. The automatic folding drone of claim 7, characterized in that: when the machine arms are completely folded, the included angle between every two adjacent machine arms and the included angle between every two adjacent connecting rods are both 85-95 degrees.
9. The automatic folding drone of claim 6, characterized in that: the driving disc is rectangular, one ends of the four connecting rods are respectively hinged with four corners of the driving disc, and the length of each connecting rod is larger than the side length of the rectangular driving disc.
10. The automatic folding drone of claim 9, characterized in that: the four corners of the rectangular driving disc are provided with chamfer surfaces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021218099.XU CN212605766U (en) | 2020-06-28 | 2020-06-28 | Automatic foldable unmanned aerial vehicle |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202021218099.XU CN212605766U (en) | 2020-06-28 | 2020-06-28 | Automatic foldable unmanned aerial vehicle |
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| CN212605766U true CN212605766U (en) | 2021-02-26 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115158648A (en) * | 2022-07-19 | 2022-10-11 | 哈尔滨工业大学 | Coaxial double-rotor unmanned aerial vehicle |
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2020
- 2020-06-28 CN CN202021218099.XU patent/CN212605766U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115158648A (en) * | 2022-07-19 | 2022-10-11 | 哈尔滨工业大学 | Coaxial double-rotor unmanned aerial vehicle |
| CN115158648B (en) * | 2022-07-19 | 2023-04-18 | 哈尔滨工业大学 | Coaxial double-rotor unmanned aerial vehicle |
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