CN213414222U

CN213414222U - Unmanned aerial vehicle

Info

Publication number: CN213414222U
Application number: CN202021995200.2U
Authority: CN
Inventors: 乌忠寅; 李培吉
Original assignee: Dongpu Software Co Ltd
Current assignee: Dongpu Software Co Ltd
Priority date: 2020-09-11
Filing date: 2020-09-11
Publication date: 2021-06-11
Anticipated expiration: 2030-09-11

Abstract

The utility model discloses an unmanned aerial vehicle, this unmanned aerial vehicle include casing, lower casing, a plurality of radiator fan. The upper shell and the lower shell are detachably connected and are surrounded to form an installation cavity; the lower shell is provided with a plurality of abdicating holes and a plurality of exhaust holes in a penetrating way, and the surface of the lower shell facing the upper shell is convexly provided with a plurality of mounting columns adjacent to the exhaust holes; this radiator fan is equipped with the mounting hole, and radiator fan passes through the mounting hole and the erection column cooperation and is fixed in the installation cavity, and radiator fan passes through the exhaust hole exhaust installation cavity with the air in the installation cavity. This scheme carries out the heat extraction to the unmanned aerial vehicle inner plant through the radiator fan of simple structure of installation on unmanned aerial vehicle to through be equipped with on the shell with radiator fan complex erection column, so that radiator fan can easily install, dismantle and change, radiator fan's main part is located the installation intracavity and makes it more firm, is difficult for droing.

Description

Unmanned aerial vehicle

Technical Field

The utility model relates to an unmanned technical field, in particular to unmanned aerial vehicle.

Background

The unmanned plane is an unmanned plane for short, and is an unmanned plane operated by radio remote control equipment and a self-contained program control device. Unmanned aerial vehicle has extensive application in military field and civilian field, for example, has the application in fields such as aerial photography, agricultural, plant protection, miniature autodyne, express delivery transportation in civilian aspect. At the beginning of unmanned aerial vehicle appearing, its shock resistance and thermal diffusivity are all relatively weak, and long-time operation can burn out the inside components and parts of unmanned aerial vehicle, and then influences its life-span, therefore the last design of unmanned aerial vehicle is gone up and is installed all kinds of different cooling systems.

However, the existing radiating system of the unmanned aerial vehicle still has the problems of excessively complex structure or complex installation, difficult disassembly and assembly and the like.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an unmanned aerial vehicle aims at solving the unmanned aerial vehicle cooling system structure and too complicated, installs loaded down with trivial details problem.

In order to achieve the above object, the utility model provides an unmanned aerial vehicle which comprises an upper shell, a lower shell and a plurality of cooling fans; wherein the content of the first and second substances,

the upper shell and the lower shell are detachably connected and are surrounded to form an installation cavity;

the lower shell is provided with a plurality of abdicating holes and a plurality of exhaust holes in a penetrating way, and the surface of the lower shell facing the upper shell is convexly provided with a plurality of mounting columns adjacent to the exhaust holes;

the cooling fan is provided with a mounting hole, the cooling fan is fixed in the mounting cavity through the matching of the mounting hole and the mounting column, and the cooling fan drives the air in the mounting cavity to be discharged out of the mounting cavity through the exhaust hole.

In an embodiment of the present invention, the mounting post includes a fixed section fixedly connected to the lower housing and a connection section extending from the fixed section to be close to the upper housing, and an outer diameter of the connection section is smaller than an outer diameter of the fixed section;

the mounting hole is provided with a first section with a smaller inner diameter and a second section with a larger inner diameter, the first section is matched with the connecting section, and the second section is matched with the fixing section.

In an embodiment of the present invention, the mounting post is a hollow arrangement, the outer diameter of the mounting post is greater than or equal to the diameter of the mounting hole, the mounting post is far away from the end of the lower casing is further provided with a plurality of first gaps, and the first gaps are arranged along the axial extension of the mounting post and along the circumferential interval of the mounting post, so that the mounting post is located two adjacent first gaps to form the first elastic arm.

The utility model discloses an embodiment, the terminal surface of erection column is provided with the fixed orifices, unmanned aerial vehicle still includes the fixed plate, be provided with on the fixed plate a plurality of with the fixed column of fixed orifices position looks adaptation, the fixed column is the cavity setting, and its diameter is more than or equal to the diameter of fixed orifices, a plurality of second breachs have been seted up to the tip of fixed column, and is a plurality of the second breach is followed the axial extension of fixed column and along the circumference interval of erection column sets up, so that the fixed column is located adjacent two position between the second breach forms second elastic arm.

In an embodiment of the present invention, the upper housing includes a top plate and an upper side plate extending from a periphery of the top plate to the lower housing, the top plate is provided with a butt column extending to the lower housing, and an end portion of the butt column away from the top plate is concavely provided with a first mating hole;

the casing includes the bottom plate down and certainly the periphery of bottom plate to go up the lower side plate that the casing extends, the bottom plate be equipped with to go up the casing extend and with butt joint post butt complex sleeve, the sleeve with the terminal surface of butt joint post butt is followed telescopic axial runs through and is equipped with the second mating holes, the second mating holes with first mating holes is counterpointed and is connected fixedly through the plug connector.

In an embodiment of the present invention, the number of the exhaust holes is two, and the two exhaust holes are disposed on the bottom plate and are respectively disposed on two opposite sides of the bottom plate;

the number of the fans is the same as the number of the exhaust holes.

In an embodiment of the present invention, a position-avoiding opening is disposed at a side end of the upper side plate away from the top plate and/or a side end of the lower side plate away from the bottom plate, and two opposite wall surfaces of the position-avoiding opening are both concavely provided with a clamping groove;

unmanned aerial vehicle still includes the pilot lamp, the pilot lamp is relative both sides that set up and all is provided with the joint board, two the joint board cooperates with the joint groove joint that corresponds respectively, with will pilot lamp fixed mounting in stepping down the opening.

In an embodiment of the present invention, a plurality of first abdicating notches are disposed at the side end of the upper side plate away from the top plate, a plurality of second abdicating notches are disposed at the side end of the lower side plate away from the bottom plate, and the plurality of first abdicating notches and the plurality of second abdicating notches are disposed in a one-to-one correspondence manner, so that the first abdicating notches and the second abdicating notches which are disposed in an aligned manner enclose a through opening;

unmanned aerial vehicle still includes backup pad and a plurality of arm, the backup pad is located the installation intracavity, and with go up the casing or inferior valve body coupling, the one end of arm with the backup pad is connected, the other end of arm passes the mouth of crossing extends set up outside the installation cavity.

In an embodiment of the present invention, the upper housing faces away from the lower housing, the surface of the lower housing is in a streamline shape and has a windward side and a leeward side, the windward side is convexly provided with a ridge extending along the windward side to the leeward side.

In an embodiment of the present invention, the upper housing is provided with a plurality of first ribs on a surface facing the lower housing, and the lower housing is provided with a plurality of second ribs on a surface facing the upper housing.

The utility model discloses technical scheme is through setting up a plurality of radiator fan on unmanned aerial vehicle's lower casing for enclose the components and parts of establishing the installation intracavity that forms and dispel the heat to last casing and lower casing. The surface of the lower shell facing the upper shell is convexly provided with a plurality of mounting columns adjacent to the exhaust holes, the cooling fan is provided with mounting holes, and the mounting holes of the cooling fan are fixed in the mounting cavity in a manner of being matched with the mounting columns.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

Fig. 1 is a bottom view of an embodiment of the unmanned aerial vehicle of the present invention;

fig. 2 is a schematic structural diagram of an embodiment of the drone in fig. 1;

FIG. 3 is a schematic structural view of an embodiment of the middle and lower shells of the present invention;

FIG. 4 is an enlarged view of a portion of FIG. 3 at A;

FIG. 5 is a schematic structural diagram of an embodiment of a fan according to the present invention;

FIG. 6 is a cross-sectional view of the mounting hole of FIG. 5;

fig. 7 is a schematic structural diagram of an embodiment of the mounting post of the present invention;

fig. 8 is a schematic structural view of an embodiment of a fixing plate according to the present invention;

fig. 9 is a schematic structural view of an embodiment of the upper housing according to the present invention;

FIG. 10 is a top view of an embodiment of the present invention, wherein the indicator light is coupled to the lower housing;

fig. 11 is a structural entity diagram of another perspective of the upper housing of fig. 9.

The reference numbers illustrate:

reference numerals	Name (R)	Reference numerals	Name (R)
				1000	Unmanned plane	235	First elastic arm
100	Upper shell	240	Base plate
				110	Top board	250	Lower side plate
120	Upper side plate	260	Sleeve barrel
				130	Butt joint column	261	Second mating hole
131	First mating hole	270	Abdication opening
				140	First abdication gap	271	Clamping groove
150	Windward side	280	Second abdication gap
				160	Leeward side	290	Second reinforcing rib
170	Ridge strip	300	Heat radiation fan
				180	First reinforcing rib	310	Mounting hole
200	Lower casing	400	Fixing plate
				210	Hole of stepping down	410	Fixing column
220	Air vent	411	Second gap
				230	Mounting post	412	Second elastic arm
231	Connecting segment	500	Indicator light
				232	Fixed segment	510	Clamping and connecting plate
233	Fixing hole	600	Mechanical arm
				234	First gap

The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

Detailed Description

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

It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit ly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

The utility model provides an unmanned aerial vehicle, please refer to fig. 1 to 3, the unmanned aerial vehicle 1000 comprises an upper shell 100, a lower shell 200, and a plurality of cooling fans 300;

the upper case 100 is detachably connected to the lower case 200, and encloses a mounting cavity (not shown). The upper casing 100 and the lower casing 200 may be two casings with concave surfaces, respectively, and the two casings are combined and the concave surfaces thereof are oppositely arranged to form an installation cavity; the upper casing 100 and the lower casing 200 may also be two box bodies with openings, and the peripheries of the openings of the two box bodies are connected to form an installation cavity together in the space inside the two box bodies; the upper casing 100 and the lower casing 200 may also be one of a casing with a concave surface or a box body with an opening, and the other one is a plate surface structure which covers the concave surface or the opening to form an installation cavity; the upper housing 100 and the lower housing 200 may be formed in other manners, which are not listed here.

This go up casing 100 and lower casing 200 detachable connection's mode can be through bolted connection, it also can be that go up casing 100 and lower casing 200 are equipped with internal thread and external screw thread respectively, and both pass through threaded connection, it can also be that go up casing 100 and lower casing 200 set up the column respectively and with the hole of column adaptation, both pass through plug-in connection, of course, go up casing 100 and lower casing 200 and also can be other detachable connection modes, do not mention just here in one row.

The shape of the upper casing 100 and the lower casing 200 may be a quadrangular box, a heptagonal box, an octagonal box, an oval box or other irregularly-shaped box without specific limitation. The material of the upper casing 100 and the lower casing 200 may be a metal material, such as iron, copper, or aluminum, or may be a plastic, such as ABS (acrylonitrile butadiene styrene) or PVC (polyvinyl chloride), or may be a material plated with a metal coating on a plastic. How to select the materials can be selected according to different requirements of strength, weight, electromagnetic interference resistance and the like of the upper casing 100 and the lower casing 200 in practical application.

Specifically, when the weight that needs guarantee unmanned aerial vehicle 1000 is lighter, go up casing 100 and all can set up to plastics with lower casing 200, the anti deformability of plastics is just less than the metal material. This unmanned aerial vehicle 1000's outside need be connected with the foot rest that supports after falling, parts such as the support that carries cargo and battery compartment, these parts are if direct with the last casing 100 that adopts the plastics material or casing 200 is connected down, can't guarantee to go up casing 100 or casing 200 and do not take place deformation down, therefore, can set up the higher carbon plate of intensity (not shown) in unmanned aerial vehicle 1000's installation cavity, the carbon plate is connected with last casing 100 or casing 200 down, casing 200 runs through down and sets up a plurality of holes 210 of stepping down, the part that the messenger needs to be connected with unmanned aerial vehicle 1000's shell passes hole 210 of stepping down and is connected with the carbon plate of the installation intracavity high strength, thereby prevent that casing 100 or casing 200 from taking place deformation down.

The lower housing 200 further has a plurality of exhaust holes 220 formed therethrough, and the exhaust holes 220 may communicate the installation cavity with the outside. The number of the exhaust holes 220 may be one, two, three or even more, and the number may be set according to the volume of the installation cavity. The shape of the air vent 220 is various, such as a square hole, a round hole or other shaped holes.

The surface of the lower case 200 facing the upper case 100 is convexly provided with a plurality of mounting posts 230 adjacent to the discharge holes 220. The mounting posts 230 may be cylindrical, square, or other cylindrical structures, and may be integrally formed with the lower housing 200, or may be separately formed and connected to the lower housing 200 by bolts or glue.

This radiator fan 300 drive the air escape installation cavity in the installation cavity, and drive outside air simultaneously gets into the installation cavity through hole 210 that steps down, and the air of fast circulation in the installation cavity can play radiating effect to the components and parts in the installation cavity. The number of the heat dissipation fan 300 is not particularly limited, and may be one, two, five, ten, etc., and the heat dissipation fan 300 is provided with a mounting hole 310, and the heat dissipation fan 300 is fixed in the mounting cavity by the mounting hole 310 being engaged with the mounting post 230. The shape of the mounting hole 310 may be a circular hole, a square hole, a triangular hole, a tapered hole, or the like. Preferably, it is configured to be matched with the mounting post 230, for example, the mounting hole 310 and the mounting post 230 are both configured in a cylindrical shape, so that the installation is smooth and the locking is not easy.

It is noted that the fit of the mounting hole 310 and the mounting post 230 may be selected to be a tight fit by selecting corresponding machining dimensions for the mounting hole 310 and the mounting post 230 as dictated by a tolerance rating table or as experienced by one skilled in the art; the mounting hole 310 can also adopt the erection column 230 external diameter to be greater than the setting of mounting hole 310 with the erection column 230, and keep away from at the erection column 230 one of lower casing 200 and run through being equipped with the breach so that the one end that the casing was inwards taken place to deform and make its external diameter reduce in the one end of casing under the erection column 230 kept away from, thereby make the great erection column 230 of external diameter crowd into in the mounting hole 310, make erection column 230 and mounting hole 310 closely cup joint, according to this principle, still have other conventions to realize the mode of this type of fastening according to technical staff's in the field's experience, it all belongs to the utility model discloses an within the protection range, just no longer describe herein.

Through set up a plurality of radiator fan 300 on unmanned aerial vehicle 1000's lower casing 200 for enclose the components and parts of establishing the installation intracavity that forms and dispel the heat to last casing 100 and lower casing 200. The surface of the lower casing 200 facing the upper casing 100 is convexly provided with a plurality of mounting posts 230 adjacent to the exhaust holes 220, the heat dissipation fan 300 is provided with mounting holes 310, and the mounting holes 310 of the heat dissipation fan 300 are fixed in the mounting cavity in a manner of matching with the mounting posts 230, so that the heat dissipation fan 300 is mounted in the mounting cavity to be more stable and not easy to fall off, the heat dissipation fan 300 is mounted near the exhaust holes 220, the air in the mounting cavity can be rapidly exhausted to facilitate air circulation, and the matching manner enables the mounting, dismounting and replacing of the heat dissipation fan 300 to be simple and convenient.

In an embodiment, referring to fig. 4 to 6, the mounting post 230 includes a fixed section 232 connected to the lower casing 200 and a connecting section 231 extending from the fixed section 232 to be close to the upper casing 100, when the mounting post 230 is a cylinder, the connecting section 231 and the fixed section 232 are both correspondingly cylinders, and the diameter of the fixed section 232 is larger than that of the connecting section 231; if the mounting post 230 is a square post, a triangular post, or other shape post, the cross-sectional area of the fixing section 232 is larger than that of the connection section 231. Meanwhile, the mounting hole 310 is configured as a stepped hole adapted to the fixing section 232 and the connecting section 231, that is, the mounting hole 310 has a first section with a smaller inner diameter and a second section with a larger inner diameter, the first section is matched with the connecting section 231, and the second section is matched with the fixing section 232. The mounting hole 310 is tightly matched with the fixing section 232 so as to fix and limit the heat dissipation fan 300, and the insertion and matching of the mounting hole 310 and the connecting section 231 further limit the heat dissipation fan 300 and prevent the heat dissipation fan 300 from slipping.

Further, referring to fig. 5 to 7, the mounting post 230 is a cylinder, the mounting hole 310 is correspondingly a circular hole, the mounting post 230 is hollow, the outer diameter of the mounting post is greater than or equal to the diameter of the mounting hole 310, a plurality of first notches 234 are further disposed at the end of the mounting post 230 away from the lower housing 200, the plurality of first notches 234 extend along the axial direction of the mounting post 230 and are spaced along the axial direction of the mounting post 230, so that the first elastic arm 235 is formed at a position of the mounting post 230 between two adjacent first notches 234. When an inward force is applied to the elastic arms, the elastic arms deform to reduce the diameter of the mounting post 230 away from the end of the lower shell 200, so that after the mounting post 230 is sleeved in the mounting hole 310, the mounting post 230 tends to expand outward and recover, and the outer wall of the first elastic arm 235 applies a force to the inner wall of the mounting hole 310, thereby enhancing the fastening effect of the mounting post 230 and the mounting hole 310.

It should be noted that, under general machining accuracy, when the outer diameter of the mounting post 230 is equal to the diameter of the mounting hole 310 due to the roughness of the surface of the component itself and the influence of vertical deviation of the size of the component itself, the mounting post 230 can hardly be installed in the mounting hole 310 without deformation, so when the outer diameter of the mounting post 230 is equal to the mounting hole 310, the first notch 234 and the first elastic arm 235 may be provided to enhance the fastening function of the mounting post 230 and the mounting hole 310 in the sleeved fit.

In an embodiment, referring to fig. 3 and 8, the end surface of the mounting post 230 is recessed with a fixing hole 233, and the shape of the fixing hole 233 is various, such as a circular hole, a square hole, a triangular hole, and the like. Unmanned aerial vehicle 1000 still includes fixed plate 410, is provided with a plurality of fixed columns with fixed orifices 233 position looks adaptation on the fixed plate 410, and the fixed column cooperates with fixed orifices 233, therefore the fixed column sets up with the shape looks adaptation of fixed orifices 233. The fixing column is hollow, the outer diameter of the fixing column is larger than or equal to the diameter of the fixing hole 233, a plurality of second notches 411 are formed in the end portion of the fixing column, the plurality of second notches 411 extend in the axial direction of the fixing column and are arranged at intervals along the circumferential direction of the mounting column 230, and therefore a second elastic arm 412 is formed at the position, located between every two adjacent second notches 411, of the fixing column. The inner wall of the fixing hole 233 is applied with an acting force through the second elastic arm 412, so that the fastening effect between the fixing column and the fixing hole 233 is enhanced, and the heat dissipation fan 300 is further stabilized. The principle of the fixing holes 233 matching with the fixing posts is the same as the principle of the mounting holes 310 matching with the mounting posts 230, and the details are not repeated here.

In one embodiment, referring to fig. 3 and 9, the upper housing 100 includes a top plate 110 and an upper side plate 120 extending from the periphery of the top plate 110 to the lower housing 200; the lower case 200 includes a bottom plate 240 and a lower side plate 250 extending from the periphery of the bottom plate 240 toward the upper case 100. The upper side plate 120 and the top plate 110 and the lower side plate 250 and the bottom plate 240 may be connected vertically, or may be connected at an included angle of another angle, such as 150 °, 120 °, 60 °, and the like, and the number of the upper side plate 120 and the lower side plate 250 is not limited, and may be an integral ring surface, or may be a plurality of surfaces, such as four surfaces, six surfaces, eight surfaces, or the like.

The top plate 110 is provided with a docking post 130 extending toward the lower housing 200, and a first mating hole 131 is axially recessed in the docking post 130; the bottom plate 240 is provided with a sleeve 260 extending toward the upper housing 100 and abutting and engaging with the abutment post 130, a second engagement hole 261 is provided through an end surface of the sleeve 260 abutting against the abutment post 130 along an axial direction of the sleeve 260, and the second engagement hole 261 is aligned with the first engagement hole 131 and is connected and fixed by a plug (not shown). Here, it is explained that the second engagement hole 261 provided through communicates with the inside and the outside of the mounting cavity, one end of the plug-in unit passes through the second engagement hole 261 from the side of the lower case 200 facing away from the upper case 100 and enters the first engagement hole 131, and the other end of the plug-in unit is located on the side of the lower case 200 facing away from the upper case 100.

It should be noted that the first matching hole 131 may be a threaded hole, the second matching hole 261 is a through hole, the plug connector uses a common bolt, and the bolt passes through the second matching hole 261 and is in threaded connection with the first matching hole 131, so as to connect and fasten the upper casing 100 and the lower casing 200. Of course, the first mating hole 131 and the second mating hole 261 may be both threaded holes, and the plug connector may be a common bolt, or both the first mating hole 131 and the second mating hole 261 may be a through hole, and the plug connector may be an expansion bolt.

The bottom plate 240 is provided with a plurality of relief holes 210 and a plurality of exhaust holes 220. The abdicating hole 210 is provided with a battery bin, a foot rest and a camera bracket which are beneficial to the installation of the lower part of the shell of the unmanned aerial vehicle 1000; the exhaust holes 220 are disposed to prevent alignment of fans disposed adjacent to the exhaust holes 220, and to prevent their acting forces from offsetting each other and reducing exhaust capacity.

In view of cost saving and uniform heat dissipation of the installation cavity, referring to fig. 1, the number of the exhaust holes 220 and the heat dissipation fan 300 is two, and the exhaust holes 220 are respectively disposed on two opposite sides of the bottom plate 240.

In an embodiment, referring to fig. 1, 3 and 10, a side end of the upper side plate 120 away from the top plate 110 and/or a side end of the lower side plate 250 away from the bottom plate 240 are provided with a relief opening 270, and two opposite side groove walls of the relief opening 270 are both concavely provided with clamping grooves 271; the offset opening 270 may be a square notch, a U-shaped notch, a V-shaped notch, or other shaped notches, and is not particularly limited herein. Unmanned aerial vehicle 1000 is still including the pilot lamp 500 that is used for showing the unmanned aerial vehicle 1000 state, and pilot lamp 500 is the relative both sides that set up and all is provided with joint board 510, and two joint boards 510 cooperate with two joint grooves 271 joint respectively to with pilot lamp 500 fixed mounting in stepping down opening 270. The arrangement facilitates the disassembly and assembly of the indicator light 500 and can also provide a better stabilizing effect for the indicator light 500.

In an embodiment, referring to fig. 2, fig. 3 and fig. 9, a plurality of first yielding notches 140 are disposed on a side end of the upper side plate 120 away from the top plate 110, a plurality of second yielding notches 280 are disposed on a side end of the lower side plate 250 away from the bottom plate 240, and the plurality of first yielding notches 140 and the plurality of second yielding notches 280 are disposed in a one-to-one correspondence manner, so that the aligned first yielding notches 140 and the aligned second yielding notches 280 surround to form a through opening. This unmanned aerial vehicle 1000 still includes backup pad (not shown) and a plurality of arm 600, and the backup pad is located the installation cavity to be connected with last casing 100 or lower casing 200, the one end and this backup pad of arm 600 are connected, and the other end of arm 600 passes the mouth of crossing that this first breach 140 of stepping down and second breach 280 formed and stretches out outside the installation cavity, so that this arm 600 is located the position outside the installation cavity and can install the screw that can drive unmanned aerial vehicle 1000.

The first and

second relief notches

140 and 280 may be respectively semicircular in shape to form a circular through opening; depending on the shape of the robot arm 600, the first and

second relief notches

140 and 280 may be two half V-shapes or other shapes, respectively, to form a shape adapted to the shape of the robot arm 600. In addition, a sealing ring can be additionally arranged between the mechanical arm 600 and the through opening to enhance the sealing effect. The sealing ring can be a rubber ring, a silica gel ring or other members capable of generating sealing action.

In an embodiment, referring to fig. 11, a surface portion of the upper casing 100 facing away from the lower casing 200 is streamlined to have a windward side 150 and a leeward side 160, and the windward side 150 is convexly provided with a ridge 170 extending along the windward side 150 to the leeward side 160. The streamline shape is similar to half of a water drop, and the resistance of the fluid to the object can be greatly reduced by adopting the shape. The ridge strips 170 are arranged, so that air flow can be realized for contacted air, the resistance of the air flow is further reduced, and the appearance of the shell is more attractive.

In an embodiment, referring to fig. 3 and 9, a plurality of first reinforcing ribs 180 are disposed on a surface of the upper housing 100 facing the lower housing 200, and a plurality of second reinforcing ribs 290 are disposed on a surface of the lower housing 200 facing the upper housing 100. The strength and deformation resistance of the upper case 100 and the lower case 200 can be enhanced by the arrangement of the first reinforcing ribs 180 and the second reinforcing ribs 290.

The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structure changes made by the contents of the specification and the drawings under the inventive concept of the present invention, or the direct/indirect application in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. An unmanned aerial vehicle is characterized by comprising an upper shell, a lower shell and a plurality of cooling fans; wherein the content of the first and second substances,

2. The unmanned aerial vehicle of claim 1, wherein the mounting post includes a fixed section fixedly connected with the lower housing and a connecting section extending from the fixed section toward and adjacent to the upper housing, the connecting section having an outer diameter that is less than an outer diameter of the fixed section;

3. The unmanned aerial vehicle of claim 1, wherein the mounting post is a hollow structure, the outer diameter of the mounting post is greater than or equal to the diameter of the mounting hole, a plurality of first notches are further provided at an end of the mounting post away from the lower housing, the first notches extend in the axial direction of the mounting post and are spaced along the circumference of the mounting post, so that a first elastic arm is formed at a position of the mounting post between two adjacent first notches.

4. The unmanned aerial vehicle of claim 1, wherein the end face of the mounting post is provided with a fixing hole, the unmanned aerial vehicle further comprises a fixing plate, the fixing plate is provided with a plurality of fixing posts matched with the fixing hole in position, the fixing posts are hollow, the diameter of the fixing posts is larger than or equal to that of the fixing hole, the end portions of the fixing posts are provided with a plurality of second notches, and a plurality of the second notches extend in the axial direction of the fixing posts and are arranged at intervals along the circumferential direction of the mounting post, so that a second elastic arm is formed at a position, between two adjacent second notches, of the fixing posts.

5. The unmanned aerial vehicle of claim 1, wherein the upper housing comprises a top plate and an upper side plate extending from the periphery of the top plate to the lower housing, the top plate is provided with a butt-joint column extending towards the lower housing, and the end of the butt-joint column far away from the top plate is concavely provided with a first matching hole;

6. The unmanned aerial vehicle of claim 5, wherein the number of the exhaust holes is two, and the two exhaust holes are arranged on the bottom plate and are respectively arranged on two opposite sides of the bottom plate;

the number of the fans is the same as the number of the exhaust holes.

7. The unmanned aerial vehicle of claim 5, wherein a yield opening is arranged at a side end of the upper side plate far away from the top plate and/or a side end of the lower side plate far away from the bottom plate, and clamping grooves are concavely arranged on two opposite wall surfaces of the yield opening;

unmanned aerial vehicle still includes the pilot lamp, the both sides that the pilot lamp is relative setting all are provided with joint board, two the joint board respectively with correspond joint groove joint cooperation, with pilot lamp fixed mounting in stepping down the opening.

8. The unmanned aerial vehicle of claim 5, wherein a side end of the upper side plate, which is far away from the top plate, is provided with a plurality of first abdicating notches, a side end of the lower side plate, which is far away from the bottom plate, is provided with a plurality of second abdicating notches, and the plurality of first abdicating notches and the plurality of second abdicating notches are arranged in a one-to-one correspondence manner, so that the first abdicating notches and the second abdicating notches which are arranged in an aligned manner enclose to form an opening;

9. The drone of claim 1, wherein a surface of the upper housing facing away from the lower housing is streamlined to have a windward side and a leeward side, the windward side being convexly provided with ridges extending along the windward side toward the leeward side.

10. The drone of claim 1, wherein the surface of the upper housing facing the lower housing is provided with a plurality of first reinforcing ribs and the surface of the lower housing facing the upper housing is provided with a plurality of second reinforcing ribs.