CN110945758B - Motor mounts, motor assemblies, arm assemblies and drones - Google Patents

Abstract

A motor mount (400), a motor assembly, an arm assembly and an unmanned aerial vehicle (100). The motor mounting base is used for connecting the motor (500) and the arm (300) of the drone, and includes a mounting structure (410), which has a bearing portion (411) and a mounting portion (412) provided on the bearing portion. The part (412) is used for detachable connection with the motor; the connection structure (420), the upper end of the connection structure is connected to the installation structure; the clamping structure (430) is a non-closed annular structure, and is connected with the lower end of the connection structure, using for gripping the machine arm.

Description

Motor mounts, motor assemblies, arm assemblies and drones

technical field

The invention relates to the technical field of unmanned aerial vehicles, in particular to a motor mount, a motor assembly, an arm assembly and an unmanned aerial vehicle.

Background technique

Plant protection drones have been widely used in agricultural and forestry plant protection operations such as spraying, fertilization, and irrigation, which not only saves a lot of manpower, but also effectively utilizes resources. Plant protection drones usually have multiple arms, propellers and motors mounted on the arms. The motor usually needs to be fixed on the arm through the motor mounting seat, so as to ensure normal operation and drive the propeller to provide flight power for the drone. The traditional motor mounting seat has a complex structure. When the motor needs to be cleaned and maintained or needs to be repaired and replaced due to failure, the motor mounting seat and the motor as a whole must be removed from the arm or other components connected to the motor mounting seat must be removed. To remove the motor, the cumbersome process is not conducive to fast operation, and the user experience is poor.

SUMMARY OF THE INVENTION

The present invention provides a motor mount, a motor assembly, an arm assembly and an unmanned aerial vehicle, which aim to enable the motor to be quickly installed or disassembled, so as to facilitate the maintenance or repair of the motor.

Specifically, the present invention is achieved through the following technical solutions:

According to a first aspect of the present invention, there is provided a motor mount for connecting a motor and an arm of an unmanned aerial vehicle, comprising:

an installation structure, which has a bearing part and an installation part arranged on the bearing part, and the installation part is used for detachable connection with the motor;

a connecting structure, the upper end of which is connected to the mounting structure;

The clamping structure, which is a non-closed annular structure, is connected with the lower end of the connecting structure and is used for clamping the machine arm.

According to a second aspect of the present invention, there is provided a motor assembly, comprising:

Motor mounts for connecting the drone's motor and arm;

a motor, mounted on the motor mounting seat;

Wherein, the motor mount includes:

an installation structure, which has a bearing part and an installation part arranged on the bearing part, and the installation part is used for detachable connection with the motor;

a connecting structure, the upper end of which is connected to the mounting structure;

The clamping structure, which is a non-closed annular structure, is connected with the lower end of the connecting structure and is used for clamping the machine arm.

According to a third aspect of the present invention, an arm assembly is provided, comprising:

arm;

a motor mount, mounted on the arm, for connecting the motor and the arm of the drone;

Wherein, the motor mount includes:

an installation structure, which has a bearing part and an installation part arranged on the bearing part, and the installation part is used for detachable connection with the motor;

a connecting structure, the upper end of which is connected to the mounting structure;

The clamping structure, which is a non-closed annular structure, is connected with the lower end of the connecting structure and is used for clamping the machine arm.

According to a fourth aspect of the present invention, an unmanned aerial vehicle is provided, comprising:

body;

an arm mounted on the fuselage;

a motor mount, mounted on the arm, for connecting the motor and the arm of the drone;

a motor, mounted on the motor mounting seat;

a propeller, connected with the motor;

Wherein, the motor mount includes:

an installation structure, which has a bearing part and an installation part arranged on the bearing part, and the installation part is used for detachable connection with the motor;

a connecting structure, the upper end of which is connected to the mounting structure;

The clamping structure, which is a non-closed annular structure, is connected with the lower end of the connecting structure and is used for clamping the machine arm.

In the motor mount, motor assembly, arm assembly and drone provided by the present invention, since the mounting part of the motor mount is detachably connected to the motor, and the clamping structure is sleeved on the arm, when the motor fails and needs to be repaired, There is no need to remove the motor mounting base and the motor as a whole from the arm and then release the connection between the mounting part and the motor, and there is no need to remove the motor after removing other parts connected to the motor mounting base. Replacing the faulty motor with a spare motor or quickly replacing the faulty components in the motor effectively simplifies the motor maintenance process, improves the maintenance efficiency, has a simple structure, and also improves the user experience.

Description of drawings

In order to explain the technical solutions of the embodiments of the present invention more clearly, the following briefly introduces the accompanying drawings used in the description of the embodiments. Obviously, the drawings in the following description are some embodiments of the present invention, which are of great significance to the art For those of ordinary skill, other drawings can also be obtained from these drawings without any creative effort.

1 is a schematic structural diagram of an unmanned aerial vehicle provided by an embodiment of the present invention;

Fig. 2 is a partial schematic view of the UAV in Fig. 1, wherein the arm, the motor mount, the motor protective shell, the light-emitting assembly, the motor, and the propeller are shown;

Fig. 3 is the exploded schematic diagram of Fig. 2;

Fig. 4 is the partial enlarged schematic diagram of Fig. 3 at A;

FIG. 5 is a schematic structural diagram of an angle of the motor mounting seat in FIG. 3;

FIG. 6 is a schematic structural diagram of another angle of the motor mounting seat in FIG. 3;

FIG. 7 is a schematic structural diagram of another angle of the motor mounting seat in FIG. 3;

FIG. 8 is a partial enlarged schematic view of the motor mounting seat at B in FIG. 7 .

Description of reference numbers:

100, unmanned aerial vehicle; 200, fuselage;

300, machine arm; 310, jack; 320, first opening; 330, second opening;

400, motor mounting seat; 410, mounting structure; 411, bearing part; 412, mounting part; 413, bearing beam; 414, inlet; 415, first part; 420, connecting structure; 421, connecting part; 422, second Gap; 423, Reinforcing part; 424, Reinforcing plate; 425, Air vent; 430, Clamping structure; 431, Clamping part; 4311, Through hole; 4312, Notch; 4313, First free end; 4314, Second free 4315, first side; 4316, second side; 4317, inner surface; 4318, outer surface; 432, locking assembly; 4321, first locking part; 4322, second locking part; 4323, locking Column; 4324, reinforcing rib; 4325, locking hole; 433, positioning hole; 4331, first groove; 4332, second groove; 434, slotting; 435, fitting part; 440, positioning structure; 441, 442, the second positioning key; 443, the third positioning key; 450, the locking structure; 451, the first plate body; 452, the locking part; 453, the reinforcing part; 454, the side notch;

500, motor; 600, propeller; 700, first clearance; 800, motor protective shell;

900, light-emitting components; 910, lamp holder; 920, lampshade.

Detailed ways

Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary, only used to explain the present invention, and should not be construed as a limitation of the present invention.

In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", " rear, left, right, vertical, horizontal, top, bottom, inside, outside, clockwise, counterclockwise, etc., or The positional relationship is based on the orientation or positional relationship shown in the accompanying drawings, which is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, Therefore, it should not be construed as a limitation of the present invention. In addition, the terms "first" and "second" are only used for descriptive purposes, and should not be construed as indicating or implying relative importance or implying the number of indicated technical features. Thus, features defined as "first", "second" may expressly or implicitly include one or more of said features. In the description of the present invention, "plurality" means two or more, unless otherwise expressly and specifically defined.

Referring to FIG. 1 , the drone 100 provided by the embodiment of the present invention can be used for agricultural plant protection, such as watering or spraying pesticides, nutrient solutions, etc. to agricultural and forest crops or plants; the drone 100 can also be used to carry electronic cameras such as cameras and cameras. The device performs tasks such as patrolling and exploration.

It can be understood that the UAV 100 may be a rotary-wing UAV, a fixed-wing UAV, an unmanned helicopter, or a hybrid UAV with fixed-wing and rotor. Among them, the rotor UAV can be a single-rotor aircraft, a dual-rotor aircraft, a tri-rotor aircraft, a quad-rotor aircraft, a six-rotor aircraft, an eight-rotor aircraft, a ten-rotor aircraft, a twelve-rotor aircraft, and the like.

Referring to FIGS. 1 to 3 , an embodiment of an aspect of the present invention provides an unmanned aerial vehicle 100 . Specifically, the drone 100 includes a fuselage 200 , an arm 300 , a motor mount 400 , a motor 500 and a propeller 600 . The machine arm 300 extends from the body 200 , and the motor 500 is mounted on the machine arm 300 through the motor mounting seat 400 . The motor 500 is connected with the propeller 600 to provide flying power for the drone 100 .

In this embodiment, the unmanned aerial vehicle 100 is an eight-rotor unmanned aerial vehicle. The number of arms 300 is eight, and the number of motor mounts 400 , motors 500 and propellers 600 is the same as the number of arms 300 , and each arm 300 is provided with a motor mount 400 , motor 500 and propeller 600 correspondingly . It can be understood that, in other embodiments, the motor mount 400 , the motor 500 and the propeller 600 can be designed in any other suitable number, type or arrangement according to actual requirements.

As a preferred embodiment, the arm 300 is a hollow structure, so as to reduce the overall weight of the UAV 100 and improve the endurance time. The motor mount 400 may be disposed on any suitable position of the machine arm 300 . For example, the motor mount 400 may be disposed at the end of the machine arm 300 , or may be disposed near the end of the machine arm 300 .

It can be understood that the machine arm 300 can be designed in any shape according to actual requirements, for example, a circular tube, a square tube, or an oval tube. In this embodiment, the machine arm 300 is a circular tubular structure. The machine arm 300 may be a carbon tube or a plastic tube made of carbon fiber material.

In some embodiments, the components including the motor 500 and the motor mount 400 are assembled to obtain a motor assembly; and then the propeller 600, the motor assembly, the arm 300, and the fuselage 200 are assembled to obtain the UAV 100 . In other embodiments, the components including the motor mount 400 and the arm 300 are assembled to obtain the arm assembly; and then the propeller 600, the motor 500, the arm assembly and the fuselage 200 are assembled to obtain the unmanned aerial vehicle. machine 100.

Example 1

Referring to FIGS. 3 to 8 , in this embodiment, the motor mounting base 400 includes a mounting structure 410 , a connecting structure 420 and a clamping structure 430 . The mounting structure 410 is detachably connected to the motor 500 , and the clamping structure 430 is connected to the arm 300 , and there is no need to remove the whole composed of the motor mounting base 400 and the motor 500 from the arm 300 or remove other components connected to the motor mounting base 400 . The motor 500 can be quickly disassembled by using the spare parts, which improves the operability and maintenance efficiency of the motor 500 during maintenance, and thus improves the user's experience.

Please refer to FIG. 5 to FIG. 8 , wherein the mounting structure 410 has a bearing portion 411 and a mounting portion 412 . The mounting portion 412 is disposed on the bearing portion 411 , and the mounting portion 412 can be detachably connected to the motor 500 .

The number of the mounting parts 412 can be designed to be any suitable number according to actual requirements, for example, one, two, three, four or more. When there are multiple mounting portions 412 , the multiple mounting portions 412 are arranged at intervals along the circumferential direction of the bearing portion 411 , so that the motor 500 and the motor mounting base 400 are securely mounted and ensure the normal operation of the motor 500 .

In order to further stably mount the motor 500 on the motor mounting base 400 , the plurality of mounting portions 412 are arranged at equal intervals along the circumferential direction of the bearing portion 411 to further ensure the normal operation of the motor 500 . Referring to FIG. 5 and FIG. 7 , in this embodiment, the four mounting portions 412 are arranged at intervals on the circumference with the center of the bearing portion 411 as the center of the circle.

It can be understood that the mounting portion 412 can be designed to be any suitable structure according to actual requirements, for example, it is designed to include at least one structure of mounting holes, snaps, snap grooves, and the like.

Please refer to FIG. 5 and FIG. 7 , in this embodiment, the mounting portion 412 is a mounting hole passing through the bearing portion 411 . The mounting hole is adapted to the fixing member at the bottom of the motor 500 to realize the fixing of the motor 500 and the motor mounting base 400 . The mounting holes can be designed into any suitable shape according to actual needs, such as round, straight notch, square, other regular shapes or irregular shapes, etc. In this embodiment, the shape of the mounting hole is circular.

Referring to FIGS. 2 and 5 , it can be understood that after the motor 500 is assembled with the mounting structure 410 , a first gap 700 is formed between the lower surface of the motor 500 and the upper surface of the mounting structure 410 , and the first gap 700 can increase the air The circulation channel improves the heat dissipation effect of the motor 500 . Referring to FIG. 5 , in this embodiment, the bearing portion 411 includes a plurality of bearing beams 413 , and two adjacent bearing beams 413 are connected end to end, so that the plurality of bearing beams 413 are enclosed to form an inlet 414 , and the air inside the motor 500 It can be discharged to the outside through the inlet 414 to speed up the heat dissipation of the motor 500 and ensure the stable operation of the motor 500 . In some embodiments, the plurality of load beams 413 are integrally formed. In other embodiments, the plurality of load beams 413 can also be connected in any suitable manner according to actual needs, for example, by welding, screwing, and the like.

It can be understood that, in other embodiments, the structure of the bearing portion 411 can be designed as any other suitable structure according to actual requirements, for example, it can be designed as a plate-like structure with an inlet to facilitate heat dissipation of the motor.

Please refer to FIG. 5 and FIG. 7 , as a preferred embodiment, the part of the installation structure 410 used for connecting with the motor 500 is provided on the side of the installation structure 410 that is used to connect with the connection structure 420 away from the center of the installation structure 410 , so as to prevent the connection structure 420 from interfering with the mounting portion 412 , thereby facilitating the assembly and disassembly of the motor 500 and improving the operability of maintenance.

Specifically, the part of the bearing beam 413 for connecting with the connection structure 420 is the first part 415 , and the part of the mounting structure 410 for connecting with the motor 500 is the installation part 412 . The first portion 415 is located on the side of the mounting portion 412 facing the center of the bearing portion 411 . When the motor 500 is installed or disassembled, it only needs to be operated outside the connection structure 420 , which avoids the connection structure 420 interfering with the installation portion 412 , and does not require repeated disassembly operations, thereby improving the operability of maintenance.

Referring to FIGS. 5 to 7 , the upper end of the connecting structure 420 is connected to the mounting structure 410 , and the lower end of the connecting structure 420 is connected to the clamping structure 430 .

It should be noted that the azimuth terms such as upper, lower, bottom, and top that appear in the description of the embodiments of the present invention are that after the motor mount 400 and the motor 500 are installed on electronic devices such as drones, the normal operating posture of the drone is for reference. , and should not be considered restrictive.

Referring to FIGS. 5 to 7 , in this embodiment, the connection structure 420 includes a plurality of connection parts 421 . The upper end of the connecting portion 421 is connected to the first portion 415 of the mounting structure 410 , and the lower end of the connecting portion 421 is connected to the clamping structure 430 . Specifically, the plurality of connecting portions 421 are arranged at intervals to form a hollow structure. The hollow structure communicates with the inlet 414 of the bearing portion 411 , and the adjacent connecting portions 421 are spaced to form a second gap 422 . The air in the hollow structure can be discharged through the second gap 422 to improve the heat dissipation efficiency of the motor 500 .

Referring to FIGS. 5 to 7 , in order to improve the strength of the connecting structure 420 and the ability of the connecting structure 420 to resist deformation, the connecting structure 420 further includes a reinforcing portion 423 and a reinforcing plate 424 . The reinforcing portion 423 is disposed on the side of the connecting portion 421 away from the center of the connecting structure 420 and extends along the length direction of the connecting portion 421 .

It can be understood that the reinforcement portion 423 can be designed in any suitable shape according to actual requirements, such as a triangle, an arc, a square or other irregular shapes. In this embodiment, the shape of the reinforcing portion 423 is a triangle. Specifically, the reinforcing portion 423 extends from an end close to the clamping structure 430 to an end away from the clamping structure 430 in a manner of gradually decreasing in size, so as to avoid interference with the disassembly and assembly of the motor 500 , thereby improving the operability of the maintenance of the motor 500 and maintenance efficiency. The number of the reinforcing parts 423 can be designed as one, two or more according to actual requirements, and the embodiment is not limited thereto.

In this embodiment, the number of the reinforcing plates 424 is two, the two reinforcing plates 424 are disposed opposite to each other, and each reinforcing plate 424 is connected between the two connecting portions 421 . In order to increase the channels for air circulation and improve the heat dissipation efficiency of the motor, the reinforcing plate 424 is further provided with a ventilation port 425 communicating with the hollow structure of the connection structure 420 .

It can be understood that, in this embodiment, the heat generated by the motor 500 is dissipated in at least the following two ways:

The first heat dissipation method: the casing of the motor 500 and the motor mounting base 400 conduct heat exchange, heat radiation and other methods to conduct heat dissipation.

The second heat dissipation method: the inlet 414 of the installation structure 410, the hollow structure of the connection structure 420, the ventilation port 425, and the second gap 422 formed by the adjacent connection parts 421 form a heat dissipation channel, and the air inside the motor 500 can pass through the heat dissipation channel to the heat dissipation channel. To quickly reduce the temperature inside the motor 500 , thereby prolonging the service life of the motor 500 and improving the working efficiency and working stability of the motor 500 .

Referring to FIGS. 5 to 7 , the clamping structure 430 includes a clamping portion 431 , a locking component 432 and a positioning hole portion 433 .

The clamping portion 431 is connected to the lower end of the connecting portion 421 . In this embodiment, the clamping portion 431 and the connecting portion 421 are integrally formed. In other embodiments, the clamping portion 431 and the connecting portion 421 may select any other suitable connection manners according to actual requirements, such as snap-fastening or screw locking.

Please refer to FIG. 2 , FIG. 5 , FIG. 7 and FIG. 8 , the clamping portion 431 is detachably connected to the machine arm 300 . The connection method between the clamping portion 431 and the machine arm 300 can be selected according to actual needs, such as socket connection, snap connection or plug connection, or integral molding, and so on. In this embodiment, the arm 300 is inserted into the clamping portion 431 .

It can be understood that the clamping portion 431 can be designed in any suitable shape according to actual requirements, such as a closed annular structure, a non-closed annular structure, a square structure, an oval structure, etc., as long as it is adapted to the machine arm 300 . Referring to FIGS. 5 to 8 , in this embodiment, the clamping portion 431 is a non-closed annular structure, that is, the clamping portion 431 has a through hole 4311 and a gap 4312 . In this embodiment, the through holes are arc-shaped through holes. The notch 4312 blocks the inner surface of the through hole 4311 into a non-closed arc surface, and the machine arm 300 can pass through the through hole 4311 . In other words, the clamping portion 431 has a first free end 4313 and a second free end 4314 , and the first free end 4313 and the second free end 4314 are spaced apart to form the gap 4312 .

Specifically, the clamping portion 431 includes a first side surface 4315 , a second side surface 4316 , an inner surface 4317 and an outer surface 4318 . The first side surface 4315 is opposite to the second side surface 4316 . The inner surface 4317 is the surface in contact with the machine arm 300 , and the outer surface 4318 is the surface formed by the side of the clamping portion 431 facing away from the inner surface 4317 . The through hole 4311 penetrates the first side surface 4315 and the second side surface 4316 . The notch 4312 communicates with the outer surface 4318 and the through hole 4311 .

Referring to FIGS. 7 and 8 , in the embodiment, the locking assembly 432 includes a first locking portion 4321 and a second locking portion 4322 . The first locking portion 4321 is disposed on the first free end 4313 . The second locking portion 4322 is disposed on the second free end 4314 and is spaced apart from the first locking portion 4321 . The first locking portion 4321 and the second locking portion 4322 are connected and locked by fasteners such as bolts, so as to reduce the diameter of the through hole 4311 . When the fastener is released, the diameter of the through hole 4311 becomes larger, and at this time, the assembly position of the arm 300 and the motor mount 400 can be adjusted.

Specifically, the first locking portion 4321 and the second locking portion 4322 both include locking posts 4323 and reinforcing ribs 4324 . A locking hole 4325 is provided on the locking column 4323, and the locking hole 4325 of the first locking portion 4321 and the locking hole 4325 of the second locking portion 4322 are penetrated by fasteners such as screws, so that the The diameter can be adjusted by the tightness of the screws, so that the arms 300 of different contour sizes can be adapted, and the structure is simple, the versatility is strong, and the practicability is high.

It can be understood that the number of the locking components 432 can be designed according to actual requirements, such as one, two, three or more, and the arm 300 can be locked radially from the through hole 4311 . When there are multiple locking assemblies 432 , the multiple locking assemblies 432 are arranged at intervals along the axial direction of the through hole 4311 to effectively clamp the arm 300 and ensure the reliability of the connection between the arm 300 and the motor mount 400 . Referring to FIG. 7 and FIG. 8 , in this embodiment, the number of the locking components 432 is two.

Referring to FIGS. 7 and 8 , the positioning hole portion 433 penetrates through the inner surface 4317 and the outer surface 4318 and communicates with the through hole 4311 . The machine arm 300 is provided with a socket 310 corresponding to the positioning hole 433 , and a combination such as a pin shaft passes through the positioning hole 433 and the socket 310 to fix the machine arm 300 and the motor mounting seat 400 to prevent the machine arm 300 Serial movement occurs in the axial direction of the clamping portion 431 . It can be understood that in other embodiments, the coupling member can also be any other suitable component such as a bolt, which can pass through the setting hole portion 433 and the insertion hole 310 to prevent the machine arm from moving in the axial direction of the clamping portion 431 . That's it.

Specifically, the positioning hole portion 433 includes a first groove 4331 and a second groove 4332 . The first groove 4331 is located at the first free end 4313 of the clamping portion 431 , and the second groove 4332 is located at the second free end 4314 of the clamping portion 431 . The first groove 4331 is opposite to the second groove 4332 to form a positioning hole 433 .

It can be understood that the number of the positioning holes 433 can be designed in different numbers according to actual requirements, such as one, two, three or more. When the number of the positioning holes 433 is multiple, the positioning holes 433 are arranged at intervals along the axial direction of the through hole 4311 , and the connecting pieces pass through the positioning holes 433 at different positions, so that the motor mounting base 400 and the arm can be adjusted. 300 installation location. Referring to FIGS. 7 and 8 , in this embodiment, the number of the positioning holes 433 is two, and the two positioning holes 433 are arranged at intervals along the axial direction of the through hole 4311 .

Referring to FIGS. 5 to 8 , as a preferred embodiment, the clamping structure 430 further includes a slot 434 , which not only enables the clamping structure 430 to stably clamp the machine arm 300 , but also saves raw materials and reduces the stress of the UAV 100 . The weight of the whole machine increases the battery life. The slot 434 is provided on the clamping portion 431 and communicates with the through hole 4311 . Specifically, the slot 434 penetrates through the inner surface 4317 and the outer surface 4318 of the clamping portion 431 , and the slot 434 is located on the side of the clamping portion 431 facing the mounting structure 410 .

In this embodiment, the mounting structure 410 , the connecting structure 420 and the clamping structure 430 are integrally formed. In other embodiments, the mounting structure 410, the connecting structure 420 and the clamping structure 430 may also be separate components.

When assembling, insert the arm 300 into the through hole 4311 of the motor mounting base 400, align the insertion hole 310 of the arm 300 with the positioning hole 433 of the motor installation base 400, and pass the insertion hole 310 and The positioning hole portion 433 is used to limit the axial position of the machine arm 300 . The first locking portion 4321 and the second locking portion 4322 are locked by fasteners such as screws, so that the hole wall of the through hole 4311 is in close contact with the outer surface of the arm 300, and the circumferential limit of the arm 300 is realized. Thus, the assembly of the arm 300 and the motor mount 400 is completed. The bottom of the motor 500 is connected to the mounting portion 412 through a connector to fix the motor 500 on the motor mounting base 400 , that is, the assembly of the motor 500 , the motor mounting base 400 and the arm 300 is completed.

When the motor 500 fails, the connection between the mounting part 412 of the motor mounting base 400 and the motor 500 is loosened, the connection between the mounting part 412 and the motor 500 can be released, and the faulty motor can be quickly replaced with a spare one. The motor or the faulty components in the motor can be quickly replaced without the need to remove the motor mount 400 and the motor 500 as a whole from the arm 300 or to remove other components connected to the motor mount 400 , which effectively simplifies the maintenance of the motor 500 process, maintenance is convenient, the maintenance efficiency is improved, and the user experience is also improved.

In the motor mount 400 , the motor assembly, the arm assembly and the drone provided in this embodiment, since the mounting portion 412 of the motor mount 400 is detachably connected to the motor 500 , the clamping structure 430 is sleeved on the arm 200 . When the motor 500 fails and needs to be repaired, the connection between the mounting part 412 and the motor 500 is released, and there is no need to remove the whole composed of the motor mounting base 400 and the motor 500 from the arm 200 or remove other parts connected to the motor mounting base 400 , you can quickly replace the faulty motor 500 with a spare motor 500 or quickly replace the faulty components in the motor 500, which effectively simplifies the maintenance process of the motor 500, improves the maintenance efficiency, has a simple structure, and also improves the user's experience. experience.

Embodiment 2

Referring to FIGS. 2 to 8 again, the motor mounting seat 400 of the second embodiment is substantially the same in structure as the motor mounting seat 400 of the first embodiment, and the difference lies in that, on the basis of the first embodiment, the clamping portion 431 of this embodiment is A positioning structure 440 is also provided inside to prevent the machine arm 300 from rotating along the circumferential direction of the clamping portion 431 .

Specifically, please refer to FIG. 6 and FIG. 7 , the positioning structure 440 includes a first positioning key 441 , a second positioning key 442 and a third positioning key 443 . In this embodiment, the first positioning key 441 , the second positioning key 442 and the third positioning key 443 are arranged at intervals along the circumferential direction of the clamping portion 431 in sequence.

In some embodiments, the first positioning key 441 , the second positioning key 442 and the third positioning key 443 are all protruding strip structures extending along the axial direction of the clamping portion 431 . In other embodiments, the first positioning key 441 , the second positioning key 442 and the third positioning key 443 may also be multi-segment structures arranged along the axial direction of the clamping portion 431 and separated from each other, as long as the arm 300 can be prevented from being clamped along the The circumferential rotation of the holding portion 431 is sufficient.

It can be understood that, in other embodiments, the first positioning key 441 , the second positioning key 442 and the third positioning key 443 can be designed as any other suitable structures according to actual requirements, for example, designed to extend along the circumferential direction of the clamping portion 431 of multiple concentric annular protrusions, etc.

Referring to FIG. 4 , FIG. 6 and FIG. 7 , in this embodiment, one end of the machine arm 300 is provided with a first opening 320 and a second opening 330 . The first opening 320 is matched with the first positioning key 441 , and the second opening 330 is matched with the third positioning key 443 . The locking assembly 432 gradually reduces the diameter of the through hole 4311 through the fastener. When the diameter of the through hole 4311 is reduced to the point where the second positioning key 442 abuts the machine arm, continue to lock the locking assembly 432. At this time, the second positioning key 442 will force the machine arm 300 to move radially inward along the through hole 4311 Therefore, the clamping portion 431 can firmly clamp the arm 300, thereby improving the safety of the UAV 100 when flying.

It can be understood that, in other embodiments, the positioning structure 440 can also be designed as any other suitable structure according to actual needs. The first positioning key matched with the opening and the third positioning key matched with the second opening only need to be able to prevent the machine arm 300 from rotating in the circumferential direction.

The first positioning key 441 , the second positioning key 442 and the third positioning key 443 may be provided at any suitable position on the inner surface 4317 of the clamping portion 431 according to actual requirements. Please refer to FIG. 6 and FIG. 7 , in this embodiment, the second positioning key 442 is arranged in the middle of the circumferential direction of the clamping portion 431 , and the first positioning key 441 and the third positioning key 443 are symmetrically arranged on the second positioning key 442 on both sides.

In order to further ensure that the arm 300 is stably mounted on the clamping part 431, the first positioning key 441 and the third positioning key 443 are symmetrical with respect to the center of the clamping part, and the first positioning key 441 and the third positioning key 443 are symmetrically arranged on the first positioning key 441 and the third positioning key 443. Two positioning keys 442 on both sides.

Referring to FIGS. 6 and 7 , since the force at the position of the second positioning key 442 is greater than that at other positions of the clamping portion 431 , the second positioning key 442 is designed to include at least two spaced parallel and along the The clamping portion 431 is formed of axially extending protruding strips to increase the strength of the second positioning key 442 and avoid the need to replace the motor mounting seat 400 due to damage to the second positioning key 442 . In this embodiment, the second positioning key 442 is composed of two protruding strips, and the first positioning key 441 and the third positioning key 443 are both composed of a protruding strip extending along the axial direction of the clamping portion 431 .

It can be understood that, in other embodiments, the shapes of the first positioning key 441 , the second positioning key 442 and the third positioning key 443 can be set to other structures according to actual requirements, such as annular protrusions, block protrusions, columnar protrusions, etc. Raised or arc-shaped raised structures.

During assembly, insert the arm 300 into the through hole 4311 of the motor mount 400 , the first positioning key 441 and the third positioning key 443 correspond to the first opening 320 and the second opening 330 respectively, and the jack 310 of the arm 300 corresponds to the motor The positioning hole portion 433 of the mounting seat 400 is inserted through the insertion hole 310 and the positioning hole portion 433 through connecting members such as pins, so as to limit the axial position of the machine arm 300 . The first locking portion 4321 and the second locking portion 4322 are locked by fasteners such as screws, so that the hole wall of the through hole 4311 is in close contact with the outer surface of the arm 300, and the circumferential limit of the arm 300 is realized. Thus, the assembly of the arm 300 and the motor mount 400 is completed. The bottom of the motor 500 is connected to the mounting portion 412 through the connector to fix the motor 500 on the motor mounting base 400 , that is, the assembly of the motor 500 , the motor mounting base 400 and the arm 300 is completed.

Embodiment 3

Please refer to Figure 2, Figure 3, Figure 5, Figure 6 and Figure 7. When the drone is flying, the motor is easily damaged by strong impact. In order to absorb shock or vibration and avoid damage to the motor due to impact, in this embodiment, on the basis of the first embodiment, the motor mount 400 further includes a locking structure 450 , and the locking structure 450 is arranged on the bearing portion 411 . The locking structure 450 is connected to the motor protection case 800 sleeved on the outside of the motor mount 400 .

Specifically, please refer to FIG. 5 to FIG. 7 , the locking structure 450 includes a first plate body 451 and a locking portion 452 . The first plate body 451 extends outward from the side of the bearing portion 411 away from the center. The locking portion 452 is disposed at one end of the first plate body 451 away from the bearing portion. The locking portion 452 can be designed as at least one structure of a locking hole, a card slot, and a buckle according to actual requirements. In this embodiment, the locking portion 452 is a locking hole. Components such as screws pass through corresponding parts and locking holes on the motor protection case 800 to fix the motor protection case 800 to the outside of the motor mount 400 .

Referring to FIGS. 5 and 7 , as a preferred embodiment, in order to enhance the strength of the locking structure 450 , the locking structure 450 further includes a reinforcing portion 453 , which is connected to the locking portion 452 and the bearing portion 411 . The reinforcing portion 453 can be designed in any suitable shape according to actual requirements, such as arc, square or other irregular shapes.

In this embodiment, the locking structure 450 and the bearing portion 411 are designed in one piece. It can be understood that, in other embodiments, the locking structure 450 and the bearing portion 411 may also be independent components.

The number of the locking structures 450 can be designed to be any suitable number according to actual requirements, as long as the motor mounting seat 400 and the motor protective shell 800 can be fixed. In this embodiment, the number of the locking structures 450 is two, and the two locking structures 450 are symmetrically disposed on opposite sides of the mounting structure 410 , so that the motor protective shell 800 is stably fixed on the motor mounting base 400 .

Referring to FIG. 7 , the locking structure 450 and the bearing portion 411 are enclosed to form a side gap 454 . When the motor protective shell 800 is installed on the motor mounting base 400, the side notches 454 can allow air to circulate and discharge the air in the motor mounting base 400, thereby improving the heat dissipation efficiency of the motor.

Embodiment 4

Please refer to FIG. 2 , FIG. 3 , FIG. 5 , FIG. 6 and FIG. 7 again. The motor mounting seat 400 of the fourth embodiment is substantially the same in structure as the motor mounting seat 400 of the third embodiment. The difference is that the present embodiment is in the first embodiment. On the basis of this embodiment, on the basis of the third embodiment, the clamping structure 430 further includes an assembly part 435, which is arranged on the side of the clamping part 431 away from the installation structure 410, and is used for installing the light-emitting component of the drone 100. 900.

Referring to FIG. 2 , FIG. 3 , FIG. 6 and FIG. 7 , in some embodiments, the light emitting assembly 900 includes a lamp socket 910 and a lamp cover 920 , the lamp socket 910 is mounted on the assembly portion 435 , and the lamp cover 920 is mounted on the motor protective shell 800 The lamp socket 910 and the lampshade 920 are arranged correspondingly, and the light-emitting elements of the lamp socket 910, such as light-emitting diodes, are electrically connected to the electronic governor. When the drone 100 flies at night, the light emitting assembly 900 can emit light to remind the user of the location of the drone. The assembly portion 435 and the light emitting assembly 900 can be connected in any suitable manner according to actual needs, such as snap-fit, screw connection, and the like. In this embodiment, the assembling portion 435 is an assembling hole, and the light-emitting assembly 900 and the motor mounting seat 400 are fixed by passing through the assembling portion 435 and the lamp socket 910 through the locking member.

The motor assembly provided in the second aspect of the present invention, the arm assembly provided in the third aspect of the present invention, and the unmanned aerial vehicle provided in the fourth aspect of the present invention all include the motor mounting base 400 described in the above-mentioned multiple embodiments, and thus have any of the above-mentioned features. All the beneficial technical effects of a technical solution will not be repeated here.

In the description of the present invention, it should be noted that the terms "installed", "connected" and "connected" should be understood in a broad sense, unless otherwise expressly specified and limited, for example, it may be a fixed connection or a detachable connection connected, or integrally connected. It can be a mechanical connection or an electrical connection. It can be directly connected, or indirectly connected through an intermediate medium, and it can be the internal communication between two elements or the interaction relationship between the two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

In the present invention, unless otherwise expressly specified and limited, a first feature "on" or "under" a second feature may include the first and second features in direct contact, or may include the first and second features Not directly but through additional features between them. Also, the first feature being "above", "over" and "above" the second feature includes the first feature being directly above and obliquely above the second feature, or simply means that the first feature is level higher than the second feature. The first feature is "below", "below" and "below" the second feature includes the first feature being directly below and diagonally below the second feature, or simply means that the first feature has a lower level than the second feature.

The above disclosure provides many different embodiments or examples for implementing different structures of the invention. In order to simplify the disclosure of the present invention, the components and arrangements of specific examples are described above. Of course, they are only examples and are not intended to limit the invention. Furthermore, the present disclosure may repeat reference numerals and/or reference letters in different instances, such repetition is for the purpose of simplicity and clarity and does not in itself indicate a relationship between the various embodiments and/or arrangements discussed. In addition, the present disclosure provides examples of various specific processes and materials, but one of ordinary skill in the art will recognize the application of other processes and/or the use of other materials.

In the description of this specification, reference to the terms "one embodiment," "some embodiments," "exemplary embodiment," "example," "specific example," or "some examples", etc., is meant to incorporate the embodiments A particular feature, structure, material, or characteristic described or exemplified is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Although embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, The scope of the invention is defined by the claims and their equivalents.

Claims (88)

1. a motor mount for connecting the motor and the arm of an unmanned aerial vehicle, is characterized in that, comprises: an installation structure, which has a bearing part and an installation part arranged on the bearing part, and the installation part is used for detachable connection with the motor; a connecting structure, the upper end of which is connected to the mounting structure; The clamping structure, which is a non-closed annular structure, is connected with the lower end of the connecting structure and is used for clamping the machine arm; The locking structure is arranged on the installation structure and is used for connecting with the motor protective shell of the drone. 2 . The motor mounting seat according to claim 1 , wherein the number of the mounting portions is plural, and the plurality of the mounting portions are arranged at intervals along the circumferential direction of the bearing portion. 3 . 3 . The motor mounting seat according to claim 2 , wherein a plurality of the mounting portions are arranged at equal intervals along the circumferential direction of the bearing portion. 4 . 4 . The motor mounting seat according to claim 1 , wherein the mounting portion comprises at least one of the following: a mounting hole, a clip, and a slot. 5 . 5. The motor mount according to claim 1, wherein the bearing portion comprises: A plurality of bearing beams, two adjacent bearing beams are connected end to end. 6 . The motor mounting seat according to claim 5 , wherein the portion of the bearing beam for connecting with the connecting structure is provided on the side of the mounting portion facing the center of the bearing portion. 7 . 7. The motor mount according to claim 1, wherein the locking structure comprises: a first plate body, extending outward from the side of the bearing portion away from the center; The locking part is arranged at one end of the first plate body away from the bearing part, and is used for connecting with the motor protection shell of the drone. 8 . The motor mount according to claim 1 , wherein the number of the locking structures is two, and the two locking structures are symmetrically arranged on opposite sides of the mounting structure. 9 . 9. The motor mount according to claim 1, wherein the clamping structure comprises: a clamping part, which has a through hole and a gap connecting the outer surface of the clamping part and the through hole; The locking component is arranged at the notch of the clamping part to change the size of the through hole, so that the clamping structure can clamp the arm of the drone through the clamping part. 10 . The motor mount according to claim 9 , wherein the clamping part has a first free end and a second free end; and the locking assembly comprises: 10 . a first locking portion, located at the first free end; A second locking portion is provided at the second free end and is spaced apart from the first locking portion; the first locking portion and the second locking portion are connected and locked by fasteners tight, so that the size of the through hole is reduced. 11 . The motor mount according to claim 9 , wherein the number of the locking assemblies is at least two, and the at least two locking assemblies are arranged at intervals along the radial direction of the clamping portion. 12 . 12. The motor mount according to claim 9, wherein the clamping structure further comprises: The positioning hole portion penetrates the clamping portion and communicates with the through hole. 13. The motor mount according to claim 12, wherein the clamping portion has a first free end and a second free end; and the positioning hole portion comprises: a first groove, located at the first free end; The second groove is arranged on the second free end and is opposite to the first groove. 14 . The motor mounting seat according to claim 12 , wherein the number of the positioning hole portions is plural, and the plurality of the positioning hole portions are arranged at intervals along the radial direction of the clamping portion. 15 . 15 . The motor mount according to claim 12 , wherein the inner wall of the clamping portion is provided with a first positioning key, a second positioning key and a first positioning key, which are arranged at intervals along the circumferential direction of the clamping portion. 16 . Three positioning keys to prevent the arm from rotating in the circumferential direction. 16 . The motor mounting seat according to claim 15 , wherein the second positioning key is arranged in the middle of the circumferential direction of the clamping portion, and the first positioning key and the third positioning key are symmetrical. 17 . arranged on both sides of the second positioning key. 17 . The motor mount according to claim 15 , wherein the first positioning key, the second positioning key and the third positioning key all extend along the axial direction of the clamping portion. 18 . Rib structure. 18 . The motor mount according to claim 15 , wherein the number of the second positioning keys is two, and the number of the first positioning keys and the number of the third positioning keys are both one. 19 . 19. The motor mount according to claim 9, wherein the clamping structure further comprises: The slot is arranged on the clamping part and communicated with the through hole. 20. The motor mount according to claim 9, wherein the clamping structure further comprises: The assembly part is arranged on the side of the clamping part away from the installation structure, and is used for installing the light-emitting component of the drone. 21. The motor mount according to claim 1, wherein the connection structure comprises: A plurality of connecting parts arranged at intervals are connected to the clamping structure and the mounting structure. 22. The motor mount according to claim 21, wherein the connection structure further comprises: The reinforcing part is arranged on the connecting part and extends along the length direction of the connecting part. 23. A motor assembly, characterized in that it comprises: Motor mounts for connecting the drone's motor and arm; a motor, mounted on the motor mounting seat; Wherein, the motor mount includes: an installation structure, which has a bearing part and an installation part arranged on the bearing part, and the installation part is used for detachable connection with the motor; a connecting structure, the upper end of which is connected to the mounting structure; The clamping structure, which is a non-closed annular structure, is connected with the lower end of the connecting structure and is used for clamping the machine arm; The locking structure is arranged on the installation structure and is used for connecting with the motor protective shell of the drone. 24 . The motor assembly according to claim 23 , wherein the number of the mounting portions is plural, and a plurality of the mounting portions are arranged at intervals along the circumferential direction of the bearing portion. 25 . 25 . The motor assembly according to claim 24 , wherein a plurality of the mounting portions are arranged at equal intervals along the circumferential direction of the bearing portion. 26 . 26. The motor assembly according to claim 23, wherein the mounting portion comprises at least one of the following: a mounting hole, a clip, and a slot. 27. The motor assembly of claim 23, wherein the bearing portion comprises: A plurality of bearing beams, two adjacent bearing beams are connected end to end. 28 . The motor assembly according to claim 27 , wherein a portion of the bearing beam for connecting with the connecting structure is provided on a side of the mounting portion facing the center of the bearing portion. 29 . 29. The motor assembly of claim 23, wherein the locking structure comprises: a first plate body, extending outward from the side of the bearing portion away from the center; The locking part is arranged at one end of the first plate body away from the bearing part, and is used for connecting with the motor protection shell of the drone. 30 . The motor assembly of claim 23 , wherein the number of the locking structures is two, and the two locking structures are symmetrically arranged on opposite sides of the mounting structure. 31 . 31. The motor assembly of claim 23, wherein the clamping structure comprises: a clamping part, which has a through hole and a gap connecting the outer surface of the clamping part and the through hole; The locking component is arranged at the notch of the clamping part to change the size of the through hole, so that the clamping structure can clamp the arm of the drone through the clamping part. 32. The motor assembly of claim 31, wherein the clamping portion has a first free end and a second free end; and the locking assembly comprises: a first locking portion, located at the first free end; A second locking portion is provided at the second free end and is spaced apart from the first locking portion; the first locking portion and the second locking portion are connected and locked by fasteners tight, so that the size of the through hole is reduced. 33. The motor assembly according to claim 31, wherein the number of the locking assemblies is at least two, and the at least two locking assemblies are arranged at intervals along the radial direction of the clamping portion. 34. The motor assembly of claim 31, wherein the clamping structure further comprises: The positioning hole portion penetrates the clamping portion and communicates with the through hole. 35. The motor assembly according to claim 34, wherein the clamping portion has a first free end and a second free end; and the positioning hole portion comprises: a first groove, located at the first free end; The second groove is arranged on the second free end and is opposite to the first groove. 36 . The motor assembly according to claim 34 , wherein the number of the positioning hole portions is plural, and the plurality of the positioning hole portions are arranged at intervals along the radial direction of the clamping portion. 37 . 37. The motor assembly according to claim 34, wherein the inner wall of the clamping portion is provided with a first positioning key, a second positioning key and a third positioning key, which are sequentially spaced along the circumferential direction of the clamping portion. Locating keys to prevent the arm from rotating in the circumferential direction. 38 . The motor assembly according to claim 37 , wherein the second positioning key is arranged in a circumferential middle of the clamping portion, and the first positioning key and the third positioning key are symmetrically arranged. 38 . on both sides of the second positioning key. 39. The motor assembly according to claim 37, wherein the first positioning key, the second positioning key and the third positioning key are all protrusions extending along the axial direction of the clamping portion bar structure. 40. The motor assembly of claim 37, wherein the number of the second positioning keys is two, and the number of the first positioning keys and the number of the third positioning keys are both one. 41. The motor assembly of claim 31, wherein the clamping structure further comprises: The slot is arranged on the clamping part and communicated with the through hole. 42. The motor assembly of claim 31, wherein the clamping structure further comprises: The assembly part is arranged on the side of the clamping part away from the installation structure, and is used for installing the light-emitting component of the drone. 43. The motor assembly of claim 23, wherein the connection structure comprises: A plurality of connecting parts arranged at intervals are connected to the clamping structure and the mounting structure. 44. The motor assembly of claim 43, wherein the connection structure further comprises: The reinforcing part is arranged on the connecting part and extends along the length direction of the connecting part. 45. An arm assembly, characterized in that it comprises: arm; a motor mount, mounted on the arm, for connecting the motor and the arm of the drone; Wherein, the motor mount includes: an installation structure, which has a bearing part and an installation part arranged on the bearing part, and the installation part is used for detachable connection with the motor; a connecting structure, the upper end of which is connected to the mounting structure; The clamping structure, which is a non-closed annular structure, is connected with the lower end of the connecting structure and is used for clamping the machine arm; The locking structure is arranged on the installation structure and is used for connecting with the motor protective shell of the drone. 46. The arm assembly according to claim 45, wherein the number of the mounting portions is plural, and the plurality of the mounting portions are arranged at intervals along the circumferential direction of the bearing portion. 47. The arm assembly according to claim 46, wherein a plurality of the mounting portions are arranged at equal intervals along the circumferential direction of the bearing portion. 48. The arm assembly according to claim 45, wherein the mounting portion comprises at least one of the following: a mounting hole, a snap, and a snap groove. 49. The arm assembly of claim 45, wherein the load-bearing portion comprises: A plurality of bearing beams, two adjacent bearing beams are connected end to end. 50 . The arm assembly according to claim 49 , wherein the portion of the bearing beam for connecting with the connecting structure is provided on the side of the mounting portion facing the center of the bearing portion. 51 . 51. The arm assembly of claim 45, wherein the locking structure comprises: a first plate body, extending outward from the side of the bearing portion away from the center; The locking part is arranged at one end of the first plate body away from the bearing part, and is used for connecting with the motor protection shell of the drone. 52. The arm assembly according to claim 45, wherein the number of the locking structures is two, and the two locking structures are symmetrically arranged on opposite sides of the mounting structure. 53. The arm assembly of claim 45, wherein the clamping structure comprises: a clamping part, which has a through hole and a gap connecting the outer surface of the clamping part and the through hole; The locking component is arranged at the notch of the clamping part to change the size of the through hole, so that the clamping structure can clamp the arm of the drone through the clamping part. 54. The arm assembly of claim 53, wherein the clamping portion has a first free end and a second free end; and the locking assembly comprises: a first locking portion, located at the first free end; A second locking portion is provided at the second free end and is spaced apart from the first locking portion; the first locking portion and the second locking portion are connected and locked by fasteners tight, so that the size of the through hole is reduced. 55. The arm assembly according to claim 53, wherein the number of the locking assemblies is at least two, and the at least two locking assemblies are arranged at intervals along the radial direction of the clamping portion. 56. The arm assembly of claim 53, wherein the clamping structure further comprises: The positioning hole portion penetrates the clamping portion and communicates with the through hole. 57. The arm assembly of claim 56, wherein the clamping portion has a first free end and a second free end; the positioning hole portion comprises: a first groove, located at the first free end; The second groove is arranged on the second free end and is opposite to the first groove. 58. The arm assembly according to claim 56, wherein the number of the positioning hole portions is plural, and the plurality of the positioning hole portions are arranged at intervals along the radial direction of the clamping portion. 59. The arm assembly according to claim 56, wherein the inner wall of the clamping part is provided with a first positioning key, a second positioning key and a first positioning key, which are arranged at intervals along the circumferential direction of the clamping part. Three positioning keys to prevent the arm from rotating in the circumferential direction. 60 . The arm assembly according to claim 59 , wherein the second positioning key is arranged in the middle of the circumferential direction of the clamping portion, and the first positioning key and the third positioning key are symmetrical. 61 . arranged on both sides of the second positioning key. 61. The arm assembly of claim 59, wherein the first positioning key, the second positioning key and the third positioning key all extend along the axial direction of the clamping portion Rib structure. 62. The arm assembly of claim 59, wherein the number of the second positioning keys is two, and the number of the first positioning keys and the number of the third positioning keys are both one. 63. The arm assembly of claim 53, wherein the clamping structure further comprises: The slot is arranged on the clamping part and communicated with the through hole. 64. The arm assembly of claim 53, wherein the clamping structure further comprises: The assembly part is arranged on the side of the clamping part away from the installation structure, and is used for installing the light-emitting component of the drone. 65. The arm assembly of claim 45, wherein the connection structure comprises: A plurality of connecting parts arranged at intervals are connected to the clamping structure and the mounting structure. 66. The arm assembly of claim 65, wherein the connection structure further comprises: The reinforcing part is arranged on the connecting part and extends along the length direction of the connecting part. 67. An unmanned aerial vehicle comprising: body; an arm, mounted on the fuselage; a motor mount, mounted on the arm, for connecting the motor and the arm of the drone; a motor, mounted on the motor mounting seat; a propeller, connected with the motor; Wherein, the motor mount includes: an installation structure, which has a bearing part and an installation part arranged on the bearing part, and the installation part is used for detachable connection with the motor; a connecting structure, the upper end of which is connected to the mounting structure; The clamping structure, which is a non-closed annular structure, is connected with the lower end of the connecting structure and is used for clamping the machine arm; The locking structure is arranged on the installation structure and is used for connecting with the motor protective shell of the drone. 68. The unmanned aerial vehicle of claim 67, wherein the number of the mounting portions is plural, and the plurality of the mounting portions are arranged at intervals along the circumferential direction of the bearing portion. 69. The unmanned aerial vehicle of claim 68, wherein a plurality of the mounting portions are arranged at equal intervals along the circumferential direction of the bearing portion. 70. The drone according to claim 67, wherein the mounting portion comprises at least one of the following: a mounting hole, a snap, and a snap slot. 71. The drone of claim 67, wherein the carrying portion comprises: A plurality of bearing beams, two adjacent bearing beams are connected end to end. 72. The unmanned aerial vehicle according to claim 71, wherein the portion of the bearing beam for connecting with the connecting structure is provided on the side of the mounting portion facing the center of the bearing portion. 73. The drone of claim 67, wherein the locking structure comprises: a first plate body, extending outward from the side of the bearing portion away from the center; The locking part is arranged at one end of the first plate body away from the bearing part, and is used for connecting with the motor protection shell of the drone. 74. The drone according to claim 67, wherein the number of the locking structures is two, and the two locking structures are symmetrically arranged on opposite sides of the mounting structure. 75. The drone of claim 67, wherein the gripping structure comprises: a clamping part, which has a through hole and a gap connecting the outer surface of the clamping part and the through hole; The locking component is arranged at the notch of the clamping part to change the size of the through hole, so that the clamping structure can clamp the arm of the drone through the clamping part. 76. The drone of claim 75, wherein the clamping portion has a first free end and a second free end; and the locking assembly comprises: a first locking portion, located at the first free end; A second locking portion is provided at the second free end and is spaced apart from the first locking portion; the first locking portion and the second locking portion are connected and locked by fasteners tight, so that the size of the through hole is reduced. 77. The drone according to claim 75, wherein the number of the locking assemblies is at least two, and at least two of the locking assemblies are arranged at intervals along the radial direction of the clamping portion. 78. The drone of claim 75, wherein the clamping structure further comprises: The positioning hole portion penetrates the clamping portion and communicates with the through hole. 79. The drone according to claim 78, wherein the clamping portion has a first free end and a second free end; and the positioning hole portion comprises: a first groove, located at the first free end; The second groove is arranged on the second free end and is opposite to the first groove. 80. The drone according to claim 78, wherein the number of the positioning hole portions is plural, and the plurality of the positioning hole portions are arranged at intervals along the radial direction of the clamping portion. 81. The unmanned aerial vehicle according to claim 78, wherein the inner wall of the clamping portion is provided with a first positioning key, a second positioning key and a first positioning key, which are arranged at intervals along the circumferential direction of the clamping portion. Three positioning keys to prevent the arm from rotating in the circumferential direction. 82. The unmanned aerial vehicle according to claim 81, wherein the second positioning key is provided in the middle of the circumferential direction of the clamping portion, and the first positioning key and the third positioning key are symmetrical arranged on both sides of the second positioning key. 83. The drone according to claim 81, wherein the first positioning key, the second positioning key and the third positioning key all extend along the axial direction of the clamping portion Rib structure. 84. The drone according to claim 81, wherein the number of the second positioning keys is two, and the number of the first positioning keys and the number of the third positioning keys are both one. 85. The drone of claim 75, wherein the clamping structure further comprises: The slot is arranged on the clamping part and communicated with the through hole. 86. The drone of claim 75, wherein the clamping structure further comprises: The assembly part is arranged on the side of the clamping part away from the installation structure, and is used for installing the light-emitting component of the drone. 87. The drone of claim 67, wherein the connection structure comprises: A plurality of connecting parts arranged at intervals are connected to the clamping structure and the mounting structure. 88. The drone of claim 87, wherein the connection structure further comprises: The reinforcing part is arranged on the connecting part and extends along the length direction of the connecting part.

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