CN212373647U

CN212373647U - Scaffold component, frame and unmanned aerial vehicle

Info

Publication number: CN212373647U
Application number: CN202020592824.3U
Authority: CN
Inventors: 梁杰
Original assignee: Guangzhou Xaircraft Technology Co Ltd
Current assignee: Guangzhou Xaircraft Technology Co Ltd
Priority date: 2020-04-20
Filing date: 2020-04-20
Publication date: 2021-01-19
Anticipated expiration: 2030-04-20

Abstract

The utility model relates to the technical field of unmanned aerial vehicles, in particular to a foot rest assembly, a frame and an unmanned aerial vehicle; the foot rest component comprises a mounting seat, a foot rest, a first elastic component and a locking component; the mounting base is provided with a connecting groove; the top end of the foot rest is provided with a pivoting part which extends into the connecting groove and is rotatably connected with the mounting seat; the first elastic piece can enable the foot rest to be in a first preset position relative to the mounting seat; when the foot rest is in a second preset position relative to the mounting seat, the locking assembly can lock the foot rest relative to the mounting seat. First elastic component can make the foot rest be in first default position for the mount pad, even the foot rest is in the state of expanding, first elastic component can make the comparison of foot rest expansion stable, has increased unmanned aerial vehicle and has placed the stability with the flight. The lock is held the subassembly and can be made the foot rest and be in the second preset position for the mount pad, and the foot rest is in fold condition promptly, can make unmanned aerial vehicle's foot rest after folding, and the volume ratio is less, and is more stable, has improved user experience.

Description

Scaffold component, frame and unmanned aerial vehicle

Technical Field

The utility model relates to an unmanned air vehicle technique field especially relates to a foot rest subassembly and unmanned aerial vehicle.

Background

In recent years, with the development of aircrafts, the aircrafts attract attention from many aspects due to the advantages of flexibility, quick response, unmanned flight, low operation requirement and the like, and are applied to multiple fields of agriculture, exploration and the like.

Unmanned aerial vehicle includes the fuselage usually and from a plurality of horn of fuselage outwards extension, and the horn is provided with one or more power device on keeping away from the end of fuselage, and this power device can drive unmanned aerial vehicle flight, however, unmanned aerial vehicle outwards extension's horn can increase unmanned aerial vehicle's volume, is unfavorable for the user portable. Therefore, foldable drones are designed.

However, in the prior art, folding unmanned aerial vehicle's connection structure design is unreasonable, and the structure is more complicated, and after the foot rest was folding in addition, the foot rest existed to rock, and the virtual position is too big, leads to unmanned aerial vehicle unstable, and user experience is relatively poor.

Therefore, a need exists for a stand assembly, a frame and a drone to solve the above-mentioned problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a foot rest component, a frame and an unmanned aerial vehicle, wherein the foot rest is more stable to expand, and the stability of the unmanned aerial vehicle to place and fly is higher; the foot rest is in a folded state, and the foot rest is small in size and stable.

To achieve the purpose, the utility model adopts the following technical proposal:

in a first aspect, there is provided a foot rest assembly comprising:

a mounting seat provided with a connecting groove;

the top end of the foot stand is provided with a pivoting part, and the pivoting part extends into the connecting groove and is rotatably connected with the mounting seat;

the first elastic piece can enable the foot rest to be in a first preset position relative to the mounting seat;

and when the foot rest is located at a second preset position relative to the mounting seat, the foot rest can be locked relative to the mounting seat by the locking assembly.

Preferably, a first pivot hole is formed in the pivot portion, a second pivot hole is formed in a side wall of the connecting groove, and the pivot portion and the mounting base are rotatably connected through a rotating shaft penetrating through the first pivot hole and the second pivot hole.

Preferably, the first elastic element includes an elastic main body, a first elastic arm and a second elastic arm, the elastic main body is disposed coaxially with the rotation shaft, the first elastic arm abuts against the mounting seat, and the second elastic arm abuts against the pivoting portion.

Preferably, both end surfaces of the pivoting part are provided with an accommodating groove and a matching hole, and the accommodating groove is arranged around the first pivoting hole;

the first elastic piece comprises two elastic main bodies, two first elastic arms and two second elastic arms, the two elastic main bodies are arranged in the two accommodating grooves respectively, and pins bent at free ends of the two second elastic arms are inserted into the two matching holes respectively.

Preferably, the locking assembly is arranged in the connecting groove, a first matching portion is arranged on a side surface of the pivoting portion, a second matching portion is arranged on the locking assembly, and when the foot rest is located at a second preset position relative to the mounting seat, the first matching portion and the second matching portion are matched to lock the foot rest relative to the mounting seat.

Preferably, a third matching portion is further arranged on the side face of the pivoting portion, and when the foot rest is located at a first preset position relative to the mounting seat, the second matching portion is matched with the third matching portion.

Preferably, the locking assembly comprises a fixing sleeve, a second elastic piece and a fixing pin, the second elastic piece is arranged in the fixing sleeve, one end of the fixing pin slidably extends into the fixing sleeve, the second matching portion is arranged at one end of the fixing pin exposed out of the fixing sleeve, and two ends of the second elastic piece respectively abut against the fixing pin and the fixing sleeve, so that the second matching portion of the fixing pin is matched with the first matching portion or the third matching portion.

Preferably, the first matching part and the third matching part are both matching grooves, and the second matching part is a matching protrusion; or

The first matching portion and the third matching portion are both matching protrusions, and the second matching portion is a matching groove.

Preferably, the lock further comprises a sealing shell disposed in the connecting groove, and the sealing shell is provided with a receiving hole for receiving the locking component.

Preferably, a mounting table is arranged above the mounting seat and used for mounting the power assembly.

In a second aspect, a rack is provided, which includes a horn and the above-mentioned foot rest assembly, wherein a connecting portion is provided on one side of the mounting seat, and the connecting portion is fixedly connected to the horn.

In a third aspect, there is provided a drone comprising a chassis as described above.

The utility model has the advantages that:

the foot rest rotates with the mount pad to be connected, and first elastic component can make the foot rest be in first default position for the mount pad, even the foot rest is in the state of expanding, and first elastic component can make the comparison of foot rest expansion more stable, has increased unmanned aerial vehicle and has placed the stability with the flight. The lock is held the subassembly and can be made the foot rest and be in the second preset position for the mount pad, and the foot rest is in fold condition promptly, can make unmanned aerial vehicle's foot rest after folding, and the volume ratio is less, and is more firm, can not have and rock etc. makes unmanned aerial vehicle more stable, has improved user experience.

Drawings

Fig. 1 is the utility model discloses unmanned aerial vehicle expandes the stereogram after.

Fig. 2 is the utility model discloses after unmanned aerial vehicle folds stereogram.

Fig. 3 is the utility model discloses a cross-sectional view of unmanned aerial vehicle's fuselage.

Fig. 4 is a perspective view of the body of the unmanned aerial vehicle according to the embodiment of the present invention (electronic components are not shown).

Fig. 5 is a perspective view of fig. 4 from another angle.

Fig. 6 is a schematic structural diagram of a first frame according to an embodiment of the present invention.

Fig. 7 is a schematic structural diagram of a second frame according to an embodiment of the present invention.

Fig. 8 is a schematic structural diagram of a third frame according to an embodiment of the present invention.

Fig. 9 is a schematic structural diagram of an upper housing according to an embodiment of the present invention.

Fig. 10 is a schematic structural diagram of a lower housing according to an embodiment of the present invention.

Fig. 11 is a schematic structural diagram of a front case according to an embodiment of the present invention.

Fig. 12 is a schematic structural diagram of the rear housing according to the embodiment of the present invention.

Fig. 13 is a schematic perspective view of a battery according to an embodiment of the present invention.

Fig. 14 is a schematic structural view of a stand assembly according to an embodiment of the present invention (the stand is in an unfolded state).

Fig. 15 is a schematic structural view of a stand assembly according to an embodiment of the present invention (the stand is folded).

Fig. 16 is an exploded view of a stand assembly according to an embodiment of the present invention.

Fig. 17 is a schematic structural view of a foot stool according to an embodiment of the present invention.

Fig. 18 is a schematic structural diagram of a mounting seat according to an embodiment of the present invention.

Fig. 19 is a schematic structural view of a first elastic member according to an embodiment of the present invention.

Fig. 20 is a schematic structural diagram of a locking assembly according to an embodiment of the present invention.

In the figure:

10. a body; 11. a first frame; 110. a step groove; 111. a side plate; 112. a first mounting plate; 1120. a mounting cavity; 1121. Connecting columns; 113. a second mounting plate; 114. a fixed part; 1141. a fixing lug; 115. a mounting frame; 1151. an installation part; 1152. a connecting beam;

12. a second frame; 121. a first mounting lug;

13. a third frame; 130. mounting grooves; 131. a bottom wall; 1310. a first guide via; 132. a top wall; 1320. a second guide via; 133. a front end wall; 134. a side wall; 1341. a second mounting lug;

14. a heat conducting plate; 15. a fan; 17. a housing; 171. an upper housing; 1711. a housing top plate; 1712. an upper housing side plate; 1713. A first fixed column; 172. a lower housing; 1721. a housing floor; 1722. a lower housing side plate; 1723. a second fixed column; 173. A front housing; 174. a rear housing; 175. a guide projection;

20. a horn; 21. a main arm; 22. a support arm; 221. a connecting lantern ring;

23. a connecting assembly;

30. a foot rest assembly; 31. a mounting seat; 311. connecting grooves; 312. an installation table; 313. a connecting portion; 314. a support wall; 315. a connecting wall; 3151. a second pivot hole; 316. placing the bulge;

32. a foot rest; 321. a pivot part; 3211. a first pivot hole; 3212. an accommodating groove; 3213. a mating hole; 3214. a first mating portion; 3215. a third mating portion; 3216. a partition part;

33. a locking assembly; 331. fixing a sleeve; 332. a second elastic member; 333. a fixing pin; 3331. a second mating portion;

34. a rotating shaft; 35. sealing the shell; 351. an accommodation hole;

36. a first elastic member; 361. an elastic body; 362. a first resilient arm; 3621. a connecting pin; 363. a second resilient arm; 3631. A pin;

40. a power assembly; 41. a motor; 42. a propeller;

101. an antenna module; 102. a flight control module; 103. a circuit main board; 1031. a power supply connector; 104. a communication module; 105. A battery; 1051. installing a guide groove; 106. and a visual obstacle avoidance module.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description of the present invention and simplification of description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; either mechanically or electrically. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

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 with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

Referring to fig. 1 and 2, the present embodiment discloses an unmanned aerial vehicle, which includes a frame, a foot frame assembly 30 and a power assembly 40. The frame comprises a machine body 10 and a machine arm 20, wherein the machine arm 20 is rotatably connected with the machine body 10 through a connecting assembly 23.

In this embodiment, unmanned aerial vehicle is four rotor unmanned aerial vehicle, and power component 40 quantity is four, and four power component 40 distribute in the rectangle region around fuselage 10 through the support of horn 20, and every power component 40 is located a summit of rectangle.

Of course, the number of the power assemblies 40 may be changed as needed, for example, the number of the power assemblies 40 may be two, three, six, etc., even the number of the power assemblies 40 may be only one, and accordingly, the number of the horn 20 may also be set as appropriate according to the number of the power assemblies 40.

According to different application fields of the unmanned aerial vehicle, other loads capable of realizing specific tasks can be carried on the body 10, for example, when the unmanned aerial vehicle is used for aerial photography or surveying and mapping, the body 10 can be provided with shooting equipment of a stability-increasing cradle head; when the unmanned aerial vehicle is used for competitive games, the fuselage 10 can carry game devices and the like.

Referring to fig. 3 to 8, the main body 10 is a carrier of the unmanned aerial vehicle, an electrical installation part may be disposed on the main body 10 or in the main body 10, and the electrical installation part may install and carry electronic components such as the antenna module 101, the flight control module 102, the circuit board 103, the communication module 104, and the battery 105. In this embodiment, fuselage 10 is located unmanned aerial vehicle's middle part, and fuselage 10 is formed by a plurality of frame equipment, and it includes interconnect's first frame 11, second frame 12 and third frame 13.

Referring to fig. 6, the first frame 11 includes two side plates 111, a first mounting plate 112, a second mounting plate 113, a fixing portion 114, and a mounting bracket 115. Specifically, the two side plates 111 are disposed opposite to each other and define a housing space for housing the electronic component. The first mounting plate 112 and the second mounting plate 113 are arranged at intervals along the length direction of the side plate 111, the accommodating space is located between the first mounting plate 112 and the second mounting plate 113, the first mounting plate 112 is connected to one end, close to the top of the unmanned aerial vehicle, of the side plate 111 (namely the upper end of the side plate 111), and a mounting cavity 1120 with an opening facing the bottom of the unmanned aerial vehicle is concavely arranged on the first mounting plate 112; the second mounting plate 113 is attached to the end of the side plate 111 near the bottom of the drone (i.e., the lower end of the side plate 111). The two fixing portions 114 extend towards the outer side of the first frame 11 along the lower end of the side plate 111, the two fixing portions 114 are perpendicular to the side plate 111, two side surfaces of the two fixing portions 114 extend along the transverse direction away from the first frame 11 to form fixing lugs 1141, and fixing holes are formed in the fixing lugs 1141. Optionally, a reinforcing rib is disposed between the two fixing portions 114 and the side plate 111. The first mounting plate 112 is disposed adjacent to the front end of the side plate 111, and the second mounting plate 113 is disposed adjacent to the rear end of the side plate 111. The mounting bracket 115 is connected to the rear end of the side plate 111 at a side of the second mounting plate 113 away from the first mounting plate 112, and the mounting bracket 115 includes two mounting portions 1151 disposed oppositely and a connecting beam 1152 connected between the two mounting portions 1151, wherein the two mounting portions 1151 are used for connecting the horn 20. Optionally, the side plate 111, the second mounting plate 113, the fixing portion 114 and the mounting bracket 115 are provided with lightening holes.

Along vertical direction, coupling beam 1152 and first mounting panel 112 of mounting bracket 115 are located the top position of second mounting panel 113, all are provided with the step groove 110 that antenna module 101 was installed and was used at the up end of coupling beam 1152 and the up end of first mounting panel 112, and antenna module 101 can be fixed in this step groove 110 to make antenna module 101 be located unmanned aerial vehicle's topmost, and then increase unmanned aerial vehicle's communication ability. Optionally, antenna module 101 accessible viscose is fixed in step groove 110 in the fixed mode of, and such mode can reduce the installation degree of difficulty and whole unmanned aerial vehicle's weight, the energy can be saved. Of course, the antenna module 101 may be fixed in the stepped groove 110 by a fastener such as a screw.

Furthermore, a connection post 1121 is disposed on the lower end surface of the first mounting plate 112. The flight control module 102 includes a flight control circuit board and an IMU, wherein the flight control circuit board is fixed on the connection post 1121, and the IMU is accommodated in the installation cavity 1120. The first mounting plate 112 is made of a metal plate, and the mounting cavity 1120 is a metal cavity formed by stamping or machining, and has a function of shielding signals. In this embodiment, because the IMU is accommodated in the installation cavity 1120 and the installation cavity 1120 is in a shielding state, when the drone is in operation, the IMU of the flight control module 102 does not interfere with normal operation of other electronic components of the drone. Of course, the first mounting plate 112 is not limited to be made of metal material, but may also be made of non-metal material, and the shielding operation can also be achieved by attaching a shielding layer in the mounting cavity 1120.

Referring to fig. 3, the circuit main board 103 is disposed directly below the antenna module 101 and fixed below the second mounting board 113. The accommodating space between the circuit board 103 and the antenna module 101 is formed as a heat dissipation space. Further, a heat-conducting silicone grease gasket is arranged between the circuit main board 103 and the second mounting plate 113, and heat generated by the circuit main board 103 during operation can be conducted to the frame of the whole body 10 through the second mounting plate 113, so that the heat dissipation effect is enhanced.

Preferably, the first frame 11 may be integrally cast. The integral manufacturing and forming can increase the integral strength of the first frame 11, and the structure is simple, no additional fastener is needed, and no welding operation is needed.

Referring to fig. 3 and 7, the second frame 12 has a flat plate shape, is adapted to be fixed below the first frame 11, and is detachably coupled to the fixing portion 114. Two first mounting lugs 121 extend from the rear end of the second frame 12, and the first mounting lugs 121 are used for mounting the third frame 13. The communication module 104 is fixed on the second frame 12 and located below the circuit board 103.

Optionally, referring to fig. 3, a heat conducting plate 14 is further fixed below the communication module 104, the heat conducting plate 14 is attached to the communication module 104, a heat conducting silicone gasket is further disposed between the heat conducting plate 14 and the communication module 104, a heat radiating fan 15 is disposed on one side of the heat conducting plate 14 away from the communication module 104 (i.e., the lower side of the heat conducting plate 14), and heat generated by the communication module 104 during operation can be conducted to the heat conducting plate 14 and then conducted to the external environment of the unmanned aerial vehicle through the fan 15.

Referring to fig. 8, the third frame 13 is a rectangular frame structure, one end of the third frame 13 is open and the other end is sealed, and the sealed end of the third frame 13 is detachably connected to the rear ends of the second frame 12 and the first frame 11. Specifically, the third frame 13 includes a bottom wall 131, a top wall 132, a front end wall 133 and two side walls 134, the bottom wall 131 and the top wall 132 are disposed opposite to each other, the two side walls 134 are disposed opposite to each other and connected to left and right sides of the bottom wall 131 and the top wall 132, respectively, the front end wall 133 is located at the closed end of the third frame 13, four sides of the front end wall 133 are connected to the bottom wall 131, the top wall 132 and the two side walls 134, respectively, and the bottom wall 131, the top wall 132, the front end wall 133 and the two side walls 134 define a mounting groove 130 for mounting the battery 105 together. The two side walls 134 respectively extend to a side away from the mounting slot 130 to form second mounting lugs 1341, when mounted, the third frame 13 is partially configured to fit in the space between the two mounting portions 1151, and the two second mounting lugs 1341 are respectively connected with the two first mounting lugs 121 to fix the third frame 13. In order to improve the fixing stability of the third frame 13, the ends of the two mounting portions 1151 remote from the second mounting plate 113 are connected to the two second mounting lugs 1341 of the third frame 13. Preferably, first mounting lug 121 is screwed to second mounting lug 1341, and both mounting portions 1151 are also screwed to second mounting lug 1341.

Preferably, a through hole communicating with the receiving space is formed on the front end wall 133 of the third frame 13, and the power connector 1031 of the circuit board 103 can pass through the through hole to be connected with the battery 105 in the mounting groove 130. The side wall 134 is provided with heat dissipation holes, the housing of the battery 105 is also provided with heat dissipation holes, and the heat dissipation holes on the side wall 134 correspond to the heat dissipation holes on the housing of the battery 105. The corresponding heat dissipation holes can accelerate the heat dissipation from the battery 105.

Optionally, a visual obstacle avoidance module 106 is further fixed on the bottom wall 131 of the third frame 13, and is used for obstacle avoidance of the unmanned aerial vehicle. Specifically, the visual obstacle avoidance module 106 is disposed on a side of the bottom wall 131 away from the mounting groove 130.

The utility model discloses a fuselage 10 design can make unmanned aerial vehicle's electronic component distribute more rationally, and heavier battery 105 divides to establish at the rear side of fuselage 10 promptly, and all the other electronic component arranges in the front side of fuselage 10 such as antenna module 101, flight control module 102, circuit mainboard 103, communication module 104 for weight distribution is even on the fuselage 10, guarantees that the focus of fuselage 10 is located the center of fuselage 10, is located the central point of four power component 40 rectangular region promptly and puts.

Referring to fig. 1, 9 to 12, a housing 17 may be provided outside the body 10, and the housing 17 may protect the body 10 or electronic components provided therein. In addition, the shape of the housing 17 is preferably designed to reduce air resistance during flight, for example, the housing 17 may be streamlined, circular, or elliptical, and in the present embodiment, the housing 17 includes an upper housing 171, a lower housing 172, a front housing 173, and a rear housing 174.

The upper case 171 and the lower case 172 are disposed in a snap-fit manner and detachably coupled to each other by a fastening member, the front case 173 is detachably coupled to the front ends of the upper case 171 and the lower case 172, the rear case 174 is coupled to the rear ends of the upper case 171 and the lower case 172, and a case through-hole for the battery 105 to pass through is formed in the rear case 174.

The upper case 171 includes a case top plate 1711 and two upper case side plates 1712 connected to both sides of the case top plate 1711, and the guide protrusion 175 is provided inside the case top plate 1711. Lower casing 172 includes housing floor 1721 and connects in two lower casing curb plates 1722 of housing floor 1721's both sides, and housing floor 1721 is the stairstepping, and housing floor 1721's rear end is concave to be equipped with the holding tank, also is provided with the direction arch 175 in the holding tank, and housing floor 1721's middle part is equipped with the louvre, and the bottom plate via hole has been seted up to housing floor 1721's front end, has seted up the inlet port on the lower casing curb plate 1722.

The front case 173 is fixed to the front end of the body 10, the rear case 174 is fixed to the open end of the mounting groove 130 of the third frame 13, and air inlets are also opened at both sides of the rear case 174.

During installation, the upper housing 171 is disposed above the frame of the whole body 10, and the lower housing 172 is disposed below the frame of the whole body 10, wherein the visual obstacle avoidance module 106 on the bottom wall 131 of the third frame 13 is accommodated in the built-in accommodating groove on the housing bottom plate 1721, a through hole for passing a camera of the visual obstacle avoidance module 106 is formed at the bottom of the accommodating groove, and the heat dissipation hole formed in the housing bottom plate 1721 of the lower housing 172 is opposite to the fan 15.

A plurality of first fixing columns 1713 are arranged in the upper shell 171, threaded holes are formed in the first fixing columns 1713, second fixing columns 1723 corresponding to the first fixing columns 1713 are arranged on the lower shell 172, through holes are formed in the second fixing columns 1723 in a penetrating mode, the end faces of the first fixing columns 1713 and the end faces of the second fixing columns 1723 are respectively abutted to two sides of the fixing lugs 1141, the threaded holes in the first fixing columns 1713 and the through holes in the second fixing columns 1723 are respectively corresponding to the fixing holes in the fixing lugs 1141, fastening screws penetrate through the through holes and are screwed into the threaded holes, the upper shell 171 is fixed above the lower shell 172, and meanwhile the upper shell 171 and the lower shell 172 are fixed on the first frame 11. Preferably, the first fixing posts 1713 in the upper case 171 are six, three of which are disposed adjacent to and spaced apart from one upper case side plate 1712 in the longitudinal direction of the upper case side plate 1712, and the remaining three of which are disposed adjacent to and spaced apart from the other upper case side plate 1712 in the longitudinal direction of the upper case side plate 1712; six second fixing posts 1723 are also provided in the lower housing 172, and are located in one-to-one correspondence with the first fixing posts 1713 in the upper housing 171.

Further, the bottom wall 131 and the top wall 132 of the third frame 13 are provided with a first guiding through hole 1310 and a second guiding through hole 1320 through which the guiding protrusion 175 passes, the guiding protrusion 175 on the upper housing 171 is inserted into the mounting groove 130 through the first guiding through hole 1310, and the guiding protrusion 175 on the lower housing 172 is inserted into the mounting groove 130 through the second guiding through hole 1320 to guide and mount the battery 105, referring to fig. 13, wherein the housing of the battery 105 is provided with a mounting guide groove 1051 in insertion fit with the guiding protrusion 175.

With continued reference to fig. 1 and 2, the boom 20 includes a main arm 21 and a support arm 22 connected to the main arm 21, the main arm 21 being rotatably connected to the body 10 at one end thereof and connected to the support arm 22 at the other end thereof via a connecting member. In this embodiment, the main arm 21 and the arm 22 are substantially connected in a "T" shape.

The number of the main arms 21 is two, the two main arms 21 are respectively connected to two opposite sides of the main body 10, each main arm 21 is connected to two support arms 22, and the two support arms 22 are coaxially arranged and respectively located at two sides of the main arm 21. In this embodiment, two arms 22 connected to the same main arm 21 are integrally formed, that is, the main arm 21 is connected to the middle of the integrated arm 22, and the arm 22 is fixed to the end of the main arm 21 away from the main body 10 by a connecting collar 221.

Of course, the connection manner between the arm 22 and the main arm 21 is not limited to the above-described embodiment, and the arm 22 may not be perpendicular to the main arm 21, the end of the arm 22 may be connected to the main arm 21, and the like. In addition, the number of the main arms 21 and the corresponding arms 22 may also be changed according to specific requirements, for example, the number of the main arms 21 may be three, four or more.

As shown in fig. 14-20, the foot stand assembly 30 includes a mounting seat 31, a foot stand 32, a first elastic member 36 and a locking assembly 33. The mount 31 is provided with a coupling groove 311 having a dustpan shape, and specifically, the mount 31 includes a support wall 314 and two coupling walls 315, and the two coupling walls 315 are coupled to both sides of the support wall 314. The mount 31 is provided with a mount 312 and a connection portion 313, and the mount 312 is provided above the support wall 314.

The connecting portion 313 is disposed at one end of the supporting wall 314 and the connecting wall 315, and the connecting portion 313 is in a sleeve shape and is sleeved on one end of the supporting arm 22 away from the main arm 21 to fix the mounting seat 31 to the supporting arm.

The end portions of the support wall 314, the connecting wall 315 and the connecting portion 313 together enclose a dustpan-shaped connecting groove 311. The top end of the foot stand 32 extends to one side to form a pivot portion 321, the pivot portion 321 extends into the connecting groove 311 and is rotatably connected to the mounting seat 31, specifically, the pivot portion 321 is provided with a first pivot hole 3211, the side wall of the connecting groove 311 is provided with a second pivot hole 3151, and the pivot portion 321 and the mounting seat 31 are rotatably connected through a rotating shaft 34 penetrating through the first pivot hole 3211 and the second pivot hole 3151. The foot rest 32 can rotate relative to the mounting seat 31, so that the foot rest 32 can be in a first preset position relative to the mounting seat 31, and the foot rest 32 is in an unfolded state and plays a supporting role. The foot rest 32 can also be in the second preset position for mount pad 31, and this moment foot rest 32 is in fold condition, is convenient for accomodate unmanned aerial vehicle.

As shown in fig. 19, the first elastic element 36 includes an elastic body 361, a first elastic arm 362 and a second elastic arm 363, the elastic body 361 is disposed coaxially with the rotation shaft 34, the first elastic arm 362 abuts against the mounting seat 31, the second elastic arm 363 abuts against the pivoting portion 321, and the elastic force of the two elastic arms of the first elastic element 36 can make the foot rest 32 be at a first predetermined position relative to the mounting seat 31. Specifically, both end surfaces of the pivoting portion 321 are provided with an accommodating groove 3212 and a mating hole 3213, and the accommodating groove 3212 surrounds the first pivoting hole 3211. Elastic body 361, first elastic arm 362 and second elastic arm 363 are two, and two elastic body 361 are coaxial and the interval sets up, and two first elastic arms 362 all are located the outside of elastic body 361, and the free end of two first elastic arms 362 is connected through connecting foot 3621, connects foot 3621 butt in the inner wall of connecting groove 311. The second elastic arm 363 is located inside the elastic body 361, and a free end of the second elastic arm 363 is bent inward to form a pin 3631. The two elastic bodies 361 are respectively disposed in the two accommodating grooves 3212, and the pins 3631 of the two second elastic arms 363 are respectively inserted into the two engaging holes 3213.

When the foot rest 32 is in a second predetermined position relative to the mounting seat 31, the locking assembly 33 can lock the foot rest 32 relative to the mounting seat 31. The locking assembly 33 is disposed in the connecting groove 311, a first engaging portion 3214 and a third engaging portion 3215 are spaced apart from each other on a side surface of the pivoting portion 321, a second engaging portion 3331 is disposed on the locking assembly 33, and when the foot rest 32 is located at a second predetermined position relative to the mounting seat 31, the first engaging portion 3214 and the second engaging portion 3331 are engaged with each other to lock the foot rest 32 relative to the mounting seat 31. When the foot rest 32 is located at the first predetermined position relative to the mounting seat 31, the second engaging portion 3331 engages with the third engaging portion 3215, so as to lock the foot rest 32 relative to the mounting seat 31. Specifically, as shown in fig. 20, the locking assembly 33 includes a fixing sleeve 331, a second elastic member 332 and a fixing pin 333, in this embodiment, the second elastic member 332 is preferably a spring. The second elastic member 332 is disposed in the fixing sleeve 331, one end of the fixing pin 333 slidably extends into the fixing sleeve 331, the second engaging portion 3331 is disposed at one end of the fixing pin 333 exposed from the fixing sleeve 331, two ends of the second elastic member 332 respectively abut against the fixing pin 333 and the fixing sleeve 331, the second elastic member 332 enables the fixing pin 333 to extend out of the fixing sleeve 331, and the second engaging portion 3331 of the fixing pin 333 is engaged with the first engaging portion 3214 or the third engaging portion 3215. Preferably, the first engaging portion 3214 and the third engaging portion 3215 in this embodiment are engaging grooves, and a partition portion 3216 is disposed between the two engaging grooves, so that the two engaging grooves are spaced apart from each other. The second engaging portion 3331 is an engaging projection provided at an end of the fixing pin 333. In other embodiments, the first engaging portion 3214 and the third engaging portion 3215 may both be engaging protrusions, and the second engaging portion 3331 is an engaging groove disposed at one end of the fixing pin 333 exposed from the fixing sleeve 331. The foot frame assembly 30 further includes a sealing shell 35 disposed in the connecting groove 311, the sealing shell 35 is provided with a receiving hole 351 for receiving the locking assembly 33, and the fixing sleeve 331 is fixed in the receiving hole 351.

In this embodiment, three first engaging portions 3214 and three second engaging portions 3331 are disposed on a side surface of the pivoting portion 321, so that three receiving holes 351 are disposed on the sealing shell 35, and each receiving hole 351 is disposed with a locking component 33 to engage with the three first engaging portions 3214 and the three second engaging portions 3331.

The foot rest 32 is in an unfolded state, the foot rest 32 is manually swung to be folded, the second matching part 3331 moves in the third matching part 3215 in the moving process, when the foot rest moves to the partition part 3216, the fixing pin 333 compresses the second elastic piece 332 to move towards the fixing sleeve 331, and after the foot rest moves to the first matching part 3214, the fixing sleeve 331 extends under the action of the second elastic piece 332 to be matched with the first matching part 3214, so that the foot rest 32 is in a folded state. The foot rest 32 moves from the collapsed position to the extended position similar to the movement described above. The first engaging portion 3214 engages with the second engaging portion 3331, so that the foot rest 32 is not automatically unfolded by the first elastic member 36 when the foot rest 32 is in the folded state, and the foot rest 32 is relatively stable when the foot rest 32 is in the folded state.

Foot rest 32 rotates with mount pad 31 to be connected, and first elastic component 36 can make foot rest 32 be in first default position for mount pad 31, even foot rest 32 is in the state of expanding, and first elastic component 36 can make the comparison of foot rest 32 expansion stable, has increased unmanned aerial vehicle and has placed and the stability of flight. The subassembly 33 is held to the lock can make the foot rest 32 be in the second preset position for mount pad 31, and foot rest 32 is in fold condition promptly, can make unmanned aerial vehicle's foot rest 32 after folding, and the volume ratio is less, and is more firm, can not have and rock etc. makes unmanned aerial vehicle more stable, has improved user experience.

The foot rest assembly 30 acts as a support for the drone when landing. In the present embodiment, the number of the foot rest assemblies 30 is four. In other embodiments, the foot rest assemblies 30 may also be disposed at other locations of the drone, and the number of foot rest assemblies 30 may also be varied as desired.

With continued reference to fig. 1 and 2, the power assembly 40 provides the power for the drone to fly. Power component 40 sets up on the mount pad 31 that corresponds, and power component 40 includes motor 41 and the screw 42 that links to each other with motor 41, and motor 41 can drive screw 42 and rotate, and then produces the power of drive unmanned aerial vehicle motion. The motor 41 is any suitable type of motor, such as a brushless motor, a brushed motor, or the like. The motor 41 can be connected to the electronic components of the body 10, such as the flight control module 102, the battery 105, etc., to drive the propeller 42 to rotate at a predetermined rotational speed and direction. The motor 41 is fixed to the mount 312 of the corresponding mount 31, and is electrically connected to the electronic components of the body 10 through a connection wire provided inside the horn 20. The propeller 42 is connected to an output shaft of the motor 41 and is rotatable with rotation of the output shaft. Preferably, screw 42 can be collapsible oar, and when unmanned aerial vehicle did not fly, screw 42 can be folded up to reduce unmanned aerial vehicle's volume, be convenient for accomodate and transport.

Referring to fig. 1 and 2, be provided with on the mount pad 31 and place arch 316, place arch 316 and locate the side that mount pad 31 deviates from fuselage 10, when horn 20 is folding for fuselage 10, place arch 316 and can place plane direct contact with ground, desktop etc. to prevent to place surface and unmanned aerial vehicle direct contact and wear and tear unmanned aerial vehicle.

The horn 20 is rotated to fold condition by the expansion state, when the horn 20 is located fold condition, support arm 22 in the horn 20 upset to the below of fuselage 10, place the arch 316 and be located the one side that support arm 22 deviates from the bottom of fuselage 10 this moment, place arch 316 on the support arm 22 of unmanned aerial vehicle after folding as the strong point, keep apart and place plane and unmanned aerial vehicle, make other parts on the unmanned aerial vehicle all not with place the plane contact, stop wearing and tearing. The first direction here is a direction from the top toward the bottom of the body 10.

Optionally, the height of the placing protrusion 316 is greater than the height of the motor 41 protruding from the surface of the support arm 22 along the radial direction of the support arm 22, so as to avoid the motor 41 on the mounting table 312 from contacting the ground or the placing plane, thereby preventing the motor 41 from being worn.

In this embodiment, be provided with four on the unmanned aerial vehicle and place arch 316, every is placed arch 316 and all is close to the mount table 312 and sets up, and four are placed arch 316 and are formed the support plane of a rectangle for it is more reliable and more stable to support.

Optionally, a through hole is formed through the connecting portion 313, the through hole is respectively communicated with the inside of the supporting arm 22 and the connecting groove 311, the motor 41 on the mounting table 312 is connected with the battery 105 inside the main body 10 through a connecting wire, and the connecting wire sequentially passes through the connecting groove 311, the through hole in the connecting portion 313, the inside of the supporting arm 22, the connecting collar 221, and the inside of the main arm 21 to be connected with the battery 105 inside the main body 10, so as to implement internal routing.

In order to reduce the weight of the placing protrusion 316, a cavity is provided in the placing protrusion 316, and in order to reduce the manufacturing difficulty, the placing protrusion 316 and the mounting seat 31 may be integrally formed by plastic, that is, the connecting portion 313, the supporting wall 314, the connecting wall 315, and the mounting platform 312 are integrally formed.

In addition, in order to increase unmanned aerial vehicle stability when folding placing, be provided with the butt plane placing protruding 316 one end of keeping away from horn 20, the butt plane is placed the plane with ground, desktop etc. and is realized face and face contact, has promoted the stationarity of placing.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. A foot rest assembly, comprising:

a mounting seat (31) provided with a connecting groove (311);

the top end of the foot stand (32) is provided with a pivoting part (321), and the pivoting part (321) extends into the connecting groove (311) and is rotatably connected with the mounting seat (31);

a first elastic element (36) capable of bringing the foot rest (32) in a first preset position with respect to the mounting seat (31);

a locking assembly (33), the locking assembly (33) being capable of locking the foot rest (32) relative to the mounting (31) when the foot rest (32) is in a second predetermined position relative to the mounting (31).

2. The foot rest assembly according to claim 1, wherein the pivoting portion (321) is provided with a first pivoting hole (3211), the connecting groove (311) is provided with a second pivoting hole (3151), and the pivoting portion (321) and the mounting seat (31) are rotatably connected through a rotating shaft (34) passing through the first pivoting hole (3211) and the second pivoting hole (3151).

3. The foot rest assembly according to claim 2, characterized in that the first elastic member (36) comprises an elastic body (361), a first elastic arm (362) and a second elastic arm (363), the elastic body (361) is arranged coaxially with the rotation shaft (34), the first elastic arm (362) abuts against the mounting seat (31), and the second elastic arm (363) abuts against the pivoting portion (321).

4. The foot rest assembly according to claim 3, wherein both end surfaces of the pivoting portion (321) are provided with a receiving groove (3212) and a fitting hole (3213), and the receiving groove (3212) is disposed around the first pivoting hole (3211);

the first elastic piece (36) comprises two elastic bodies (361), two first elastic arms (362) and two second elastic arms (363), the two elastic bodies (361) are respectively arranged in the two accommodating grooves (3212), and pins (3631) bent at free ends of the two second elastic arms (363) are respectively inserted into the two matching holes (3213).

5. The foot rest assembly according to claim 1, wherein the locking assembly (33) is disposed in the connecting groove (311), a first engaging portion (3214) is disposed on a side surface of the pivoting portion (321), a second engaging portion (3331) is disposed on the locking assembly (33), and when the foot rest (32) is located at a second predetermined position relative to the mounting seat (31), the first engaging portion (3214) and the second engaging portion (3331) cooperate to lock the foot rest (32) relative to the mounting seat (31).

6. The foot rest assembly according to claim 5, wherein a third engaging portion (3215) is further disposed on a side of the pivoting portion (321), and when the foot rest (32) is at the first predetermined position relative to the mounting seat (31), the second engaging portion (3331) engages with the third engaging portion (3215).

7. The foot rest assembly according to claim 6, wherein the locking assembly (33) comprises a fixing sleeve (331), a second elastic member (332) and a fixing pin (333), the second elastic member (332) is disposed in the fixing sleeve (331), one end of the fixing pin (333) slidably extends into the fixing sleeve (331), the second engaging portion (3331) is disposed at an end of the fixing pin (333) exposed out of the fixing sleeve (331), and two ends of the second elastic member (332) respectively abut against the fixing pin (333) and the fixing sleeve (331), so that the second engaging portion (3331) of the fixing pin (333) is engaged with the first engaging portion (3214) or the third engaging portion (3215).

8. The foot rest assembly of claim 7, wherein the first and third mating portions (3214, 3215) are mating grooves and the second mating portion (3331) is a mating protrusion; or

The first matching part (3214) and the third matching part (3215) are both matching protrusions, and the second matching part (3331) is a matching groove.

9. The foot rest assembly according to claim 1, further comprising a sealing shell (35) disposed within the connecting slot (311), the sealing shell (35) having a receiving hole (351) for receiving the locking assembly (33).

10. The foot rest assembly according to claim 1, characterized in that a mounting table (312) is arranged above the mounting seat (31) for mounting a power assembly.

11. Frame comprising a horn, characterized in that it further comprises a foot rest assembly according to any one of claims 1-10, said mounting seat (31) being provided with a connection portion (313) on one side, fixedly connected to said horn.

12. A drone, characterized in that it comprises a frame according to claim 11.