CN110945758B

CN110945758B - Motor mounting seat, motor element, horn subassembly and unmanned aerial vehicle

Info

Publication number: CN110945758B
Application number: CN201880039258.9A
Authority: CN
Inventors: 王建伟; 吴晓龙; 卢绰莹
Original assignee: SZ DJI Technology Co Ltd
Current assignee: SZ DJI Technology Co Ltd
Priority date: 2018-11-30
Filing date: 2018-11-30
Publication date: 2022-05-31
Anticipated expiration: 2038-11-30
Also published as: CN110945758A; WO2020107407A1

Abstract

A motor mount (400), a motor assembly, a horn assembly and an unmanned aerial vehicle (100). The motor mounting seat is used for connecting a motor (500) and a horn (300) of an unmanned aerial vehicle, and comprises a mounting structure (410) which is provided with a bearing part (411) and a mounting part (412) arranged on the bearing part, wherein the mounting part (412) is used for being detachably connected with the motor; a connecting structure (420) connected at an upper end thereof to the mounting structure; and the clamping structure (430) is a non-closed annular structure, is connected with the lower end of the connecting structure and is used for clamping the machine arm.

Description

Motor mounting seat, motor element, horn subassembly and unmanned aerial vehicle

Technical Field

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

Background

Plant protection unmanned aerial vehicle has been widely used for agriculture and forestry plant protection operations such as spraying, fertilization, irrigation, has not only saved a large amount of manpowers, has still carried out effective utilization to the resource. Plant protection unmanned aerial vehicles all have a plurality of horn, screw and install the motor on the horn usually. The motor generally needs to be fixed on the horn through the motor mount pad to this guarantees that normal work drives the screw and for unmanned aerial vehicle provides flight power. And traditional motor mount pad structure is complicated, when the motor need wash the maintenance or break down and need maintain the change, must pull down motor mount pad together with the motor is whole from the horn or need pull down other spare parts of connecting on the motor mount pad and just can lift off the motor, and the process is loaded down with trivial details to be unfavorable for the fast operation, and user experience feels poor.

Disclosure of Invention

The invention provides a motor mounting seat, a motor assembly, a horn assembly and an unmanned aerial vehicle, and aims to enable a motor to be rapidly mounted or dismounted so as to facilitate maintenance or overhaul of the motor.

Specifically, the invention is realized by the following technical scheme:

according to a first aspect of the present invention, there is provided a motor mount for connecting a motor and a horn of a drone, comprising:

the mounting structure is provided with a bearing part and a mounting part arranged on the bearing part, and the mounting part is detachably connected with the motor;

a connection structure, an upper end of the connection structure being connected to the mounting structure;

and the clamping structure 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:

the motor mounting seat is used for connecting a motor and a horn of the unmanned aerial vehicle;

the motor is arranged on the motor mounting seat;

wherein, the motor mount pad includes:

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

a boom;

the motor mounting seat is mounted on the horn and used for connecting a motor and the horn of the unmanned aerial vehicle;

wherein, the motor mount pad includes:

According to a fourth aspect of the invention, there is provided a drone comprising:

a body;

the machine arm is arranged on the machine body;

the motor is arranged on the motor mounting seat;

the propeller is connected with the motor;

wherein, the motor mount pad includes:

According to the motor mounting seat, the motor assembly, the horn assembly and the unmanned aerial vehicle provided by the invention, the mounting part of the motor mounting seat is detachably connected with the motor, and the clamping structure is sleeved on the horn, so that when the motor breaks down and needs to be maintained, the whole body formed by the motor mounting seat and the motor does not need to be detached from the horn and then the connection between the mounting part and the motor is released, and the motor does not need to be detached after other parts connected on the motor mounting seat are detached, so that the motor which breaks down can be rapidly replaced by a spare motor or a part which breaks down in the motor can be rapidly replaced, the motor maintenance process is effectively simplified, the maintenance efficiency is improved, the structure is simple, and the experience of a user is also improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of an unmanned aerial vehicle according to an embodiment of the present invention;

fig. 2 is a partial schematic view of the drone of fig. 1, showing the horn, the motor mount, the motor protective case, the light emitting assembly, the motor, the propeller;

FIG. 3 is an exploded schematic view of FIG. 2;

FIG. 4 is an enlarged partial schematic view of FIG. 3 at A;

FIG. 5 is a schematic view of an angle of the motor mounting base shown in FIG. 3;

FIG. 6 is a schematic view of the motor mounting base of FIG. 3 at another angle;

FIG. 7 is a schematic view of the motor mounting base of FIG. 3 at a further angle;

fig. 8 is a partially enlarged schematic view of the motor mount of fig. 7 at B.

Description of reference numerals:

100. an unmanned aerial vehicle; 200. a body;

300. a horn; 310. a jack; 320. a first opening; 330. a second opening;

400. a motor mounting seat; 410. a mounting structure; 411. a bearing part; 412. an installation part; 413. a load beam; 414. an inlet; 415. a first region; 420. a connecting structure; 421. a connecting portion; 422. a second gap; 423. a reinforcing portion; 424. a reinforcing plate; 425. a vent; 430. a clamping structure; 431. a clamping part; 4311. a through hole; 4312. a notch; 4313. a first free end; 4314. a second free end; 4315. a first side surface; 4316. a second side surface; 4317. an inner surface; 4318. an outer surface; 432. a locking assembly; 4321. a first locking portion; 4322. a second locking portion; 4323. a locking post; 4324. reinforcing ribs; 4325. a locking hole; 433. a positioning hole portion; 4331. a first groove; 4332. a second groove; 434. grooving; 435. an assembling portion; 440. a positioning structure; 441. a first positioning key; 442. a second positioning key; 443. a third positioning key; 450. a locking structure; 451. a first plate body; 452. a locking part; 453. a reinforcing part; 454. a side notch;

500. a motor; 600. a propeller; 700. a first gap; 800. a motor protection shell;

900. a light emitting assembly; 910. a lamp socket; 920. and a lampshade.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

Referring to fig. 1, an unmanned aerial vehicle 100 according to an embodiment of the present invention may be used for agricultural plant protection, such as irrigating or spraying pesticides, nutrient solutions, etc. to agricultural and forestry crops or plants; the drone 100 may also be used to carry electronic devices such as cameras and video cameras to perform patrol, exploration and other tasks.

As can be appreciated, the drone 100 may be a rotary wing drone, a fixed wing drone, an unmanned helicopter, or a fixed wing-rotor hybrid drone, or the like. Wherein, rotor unmanned aerial vehicle can be single rotor craft, double rotor craft, three rotor crafts, four rotor crafts, six rotor crafts, eight rotor crafts, ten rotor crafts, twelve rotor crafts etc..

Referring to fig. 1 to 3, an embodiment of an aspect of the present invention provides a drone 100. Specifically, the drone 100 includes a fuselage 200, a horn 300, a motor mount 400, a motor 500, and a propeller 600. The horn 300 is extended from the body 200, and the motor 500 is mounted to the horn 300 through the motor mount 400. The motor 500 is connected with the propeller 600 to provide flight power for the drone 100.

In this embodiment, the drone 100 is an eight rotor drone. The number of the horn 300 is eight, the number of the motor mounting base 400, the number of the motor 500 and the number of the propeller 600 are the same as the number of the horn 300, and each horn 300 is correspondingly provided with one motor mounting base 400, one motor 500 and one propeller 600. It is understood that in other embodiments, the motor mount 400, the motor 500 and the propeller 600 may be designed in any other suitable number, type or arrangement according to actual requirements.

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

It is understood that the horn 300 may be designed in any shape according to actual requirements, such as a circular tube, a square tube, or an oval tube. In the present embodiment, the horn 300 has a circular tubular structure. The horn 300 may be a carbon tube or a plastic tube made of carbon fiber.

In some embodiments, assembling the components comprising motor 500 and motor mount 400 may result in a motor assembly; and then the propeller 600, the motor assembly, the horn 300, and the body 200 are assembled to obtain the unmanned aerial vehicle 100. In other embodiments, assembling the components comprising the motor mount 400 and the horn 300 may result in a horn assembly; and then the propeller 600, the motor 500, the horn assembly, and the body 200 are assembled to obtain the unmanned aerial vehicle 100.

Example one

Referring to fig. 3 to 8, in the present embodiment, the motor mount 400 includes a mounting structure 410, a connecting structure 420 and a clamping structure 430. Mounting structure 410 can dismantle with motor 500 and be connected, and clamping structure 430 is connected with horn 300, need not to pull down the whole that motor mount 400 and motor 500 constitute or pull down other spare parts of being connected on motor mount 400 from horn 300, just can dismantle motor 500 fast, maneuverability and maintenance efficiency when having improved the motor 500 maintenance, and user's experience sense also obtains promoting from this.

Referring to fig. 5 to 8, the mounting structure 410 has a carrying portion 411 and a mounting portion 412. The mounting portion 412 is disposed on the carrying portion 411, and the mounting portion 412 can be detachably connected to the motor 500.

The number of the mounting portions 412 can be designed to be any suitable number according to actual requirements, such as one, two, three, four or more. When the number of the mounting portions 412 is plural, the 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 seat 400 are stably mounted, and the normal operation of the motor 500 is ensured.

In order to further stably mount the motor 500 on the motor mount 400, a plurality of mounting portions 412 are disposed at equal intervals along the circumferential direction of the carrying portion 411, so as to further ensure the normal operation of the motor 500. Referring to fig. 5 and 7, in the present embodiment, four mounting portions 412 are disposed at intervals on a circumference with the center of the carrying portion 411 as a center.

It will be appreciated that the mounting portion 412 may be configured in any suitable configuration, such as at least one configuration including a mounting hole, a snap, a slot, etc., depending on the actual requirements.

Referring to fig. 5 and 7, in the present embodiment, the mounting portion 412 is a mounting hole penetrating through the bearing portion 411. The mounting hole is matched with a fixing piece at the bottom of the motor 500, so that the motor 500 and the motor mounting seat 400 are fixed. The mounting holes can be designed into any suitable shape according to actual requirements, such as a circle, a straight notch, a square, other regular shapes or irregular shapes, and the like. In the present embodiment, the mounting hole is circular in shape.

Referring to fig. 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 a passage for air circulation, thereby improving a heat dissipation effect of the motor 500. Referring to fig. 5, in the 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 surround to form an inlet 414, and air inside the motor 500 can be discharged outwards through the inlet 414, thereby accelerating heat dissipation of the motor 500 and ensuring 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 may also be connected by any suitable connection method according to actual requirements, for example, by welding, screw fastening, or the like.

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

Referring to fig. 5 and 7, as a preferred embodiment, a portion of the mounting structure 410 for connecting with the motor 500 is disposed on a side of the mounting structure 410 away from a center of the mounting structure 410 for connecting with the connecting structure 420, so as to prevent the connecting structure 420 from interfering with the mounting portion 412, thereby facilitating the assembly and disassembly of the motor 500 and improving the maintenance operability.

Specifically, a portion of the carrier beam 413 for connecting with the connecting structure 420 is a first portion 415, and a portion of the mounting structure 410 for connecting with the motor 500 is a mounting portion 412. The first portion 415 is located on a side of the mounting portion 412 toward the center of the bearing portion 411. When motor 500 is installed or dismantled, only need to operate in connection structure 420's outside can, avoided connection structure 420 to cause the interference to installation department 412, need not repeated dismantlement action, improved the maneuverability of maintenance.

Referring to fig. 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 terms of orientation such as up, down, bottom, top, etc. appearing in the description of the embodiments of the present invention refer to the normal operation attitude of the drone after the motor mount 400 and the motor 500 are mounted on an electronic device such as a drone, and should not be considered as limiting.

Referring to fig. 5 to 7, in the present embodiment, the connection structure 420 includes a plurality of connection portions 421. The upper end of the connection portion 421 is connected to the first portion 415 of the mounting structure 410, and the lower end of the connection portion 421 is connected to the clamping structure 430. Specifically, the plurality of connecting portions 421 are disposed at intervals to form a hollow structure. This hollow out construction and the entry 414 intercommunication of bearing part 411, adjacent connecting portion 421 interval forms second clearance 422, and the air in the hollow out construction can outwards be discharged through second clearance 422, improves motor 500's radiating efficiency.

Referring to fig. 5 to 7, in order to increase the strength of the connection structure 420 and improve the deformation resistance of the connection structure 420, the connection structure 420 further includes a reinforcement part 423 and a reinforcement plate 424. The reinforcement part 423 is disposed on a side of the connection part 421 away from the center of the connection structure 420, and extends along a length direction of the connection part 421.

It will be appreciated that the reinforcement 423 may be designed in any suitable shape, such as triangular, curved, square or other irregular shapes, etc., according to actual requirements. In the present embodiment, the reinforcing part 423 has a triangular shape. Specifically, the reinforcement portion 423 extends from an end close to the clamp structure 430 to an end away from the clamp structure 430 in a manner of gradually decreasing in size, so as to avoid interference in mounting and dismounting the motor 500, thereby improving workability and maintenance efficiency in maintenance of the motor 500. The number of the reinforcement parts 423 may be designed to be one, two or more according to actual requirements, and the embodiment is not limited thereto.

In the present embodiment, the number of the reinforcing plates 424 is two, two reinforcing plates 424 are oppositely disposed, and each reinforcing plate 424 is connected between two connecting portions 421. In order to increase the air circulation channel and improve the heat dissipation efficiency of the motor, the reinforcing plate 424 is further provided with a vent 425 communicated with the hollow structure of the connecting structure 420.

It is understood that, in the present embodiment, the heat generated by the motor 500 is dissipated in at least two manners:

the first heat dissipation mode: the casing of the motor 500 and the motor mount 400 perform heat exchange, heat radiation, and the like to transfer and dissipate heat.

The second heat dissipation mode is as follows: the inlet 414 of the mounting structure 410, the hollow structure of the connection structure 420, the vent 425 and the second gap 422 formed by the adjacent connection portion 421 form a heat dissipation channel, and the air inside the motor 500 can be discharged outwards through the heat dissipation channel, so as to rapidly reduce the temperature inside the motor 500, thereby prolonging the service life of the motor 500 and improving the working efficiency and the working stability of the motor 500.

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

Wherein the clamping portion 431 is connected to a lower end of the connecting portion 421. In the present embodiment, the clamping portion 431 is integrally formed with the connecting portion 421. In other embodiments, the clamping portion 431 and the connecting portion 421 can be selected according to actual requirements by any other suitable connection method, such as a snap or a screw lock.

Referring to fig. 2, 5, 7 and 8, the clamping portion 431 is detachably connected to the arm 300. The connection mode of the clamping portion 431 and the horn 300 can be selected according to actual requirements, such as sleeving, clamping or plugging, or integral molding. In the present embodiment, the arm 300 is inserted into the holding portion 431.

It is understood that the clamping portion 431 may be designed in any suitable shape according to actual requirements, such as a closed ring structure, an open ring structure, a square structure, an oval structure, etc., as long as it is adapted to the horn 300. Referring to fig. 5 to 8, in the present embodiment, the clamping portion 431 has a non-closed ring structure, that is, the clamping portion 431 has a through hole 4311 and a notch 4312. In the present embodiment, the through-hole is a circular arc-shaped through-hole. The notch 4312 cuts off the inner side surface of the through hole 4311 into a non-closed arc surface, and the horn 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 disposed at an interval to form the notch 4312.

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

Referring to fig. 7 and 8, in the embodiment, the locking assembly 432 includes a first locking portion 4321 and a second locking portion 4322. Wherein the first locking portion 4321 is disposed at the first free end 4313. The second locking portion 4322 is disposed at the second free end 4314 and is spaced apart from the first locking portion 4321. The first locking part 4321 and the second locking part 4322 are coupled and locked by a fastener such as a bolt so that the diameter of the through hole 4311 is reduced. When the fastener is released, the diameter of the through hole 4311 becomes large, and at this time, the assembling position of the horn 300 and the motor mount 400 can be adjusted.

Specifically, each of the first locking portion 4321 and the second locking portion 4322 includes a locking column 4323 and a reinforcing rib 4324. Be equipped with locking hole 4325 on locking post 4323, wear to establish locking hole 4325 of first locking portion 4321 and locking hole 4325 of second locking portion 4322 through fasteners such as screws, the elasticity degree that makes the diameter of through-hole 4311 pass through the screw can be adjusted to the horn 300 that can the different overall dimension of adaptation, simple structure, the commonality is strong, and the practicality is high.

It will be appreciated that the number of locking assemblies 432 can be designed according to practical requirements, for example, one, two, three or more, and the locking mechanism can lock the horn 300 from the radial direction of the through hole 4311. When the number of the locking assemblies 432 is plural, the plural locking assemblies 432 are arranged at intervals along the axial direction of the through hole 4311 to effectively clamp the horn 300, and the reliability of the connection between the horn 300 and the motor mounting seat 400 is ensured. Referring to fig. 7 and 8, in the present embodiment, the number of the locking assemblies 432 is two.

Referring to fig. 7 and 8, the positioning hole portion 433 penetrates the inner surface 4317 and the outer surface 4318 and communicates with the through hole 4311. The arm 300 is provided with an insertion hole 310 corresponding to the positioning hole 433, and a coupling member such as a pin is inserted through the positioning hole 433 and the insertion hole 310 to fix the arm 300 to the motor mount 400, thereby preventing the arm 300 from moving in the axial direction of the clamping portion 431. It is understood that, in other embodiments, the coupling member may be any other suitable member such as a bolt, which can be inserted through the positioning hole portion 433 and the insertion hole 310, so as to prevent the arm from moving in the axial direction of the clamping portion 431.

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 recess 4331 and the second recess 4332 are disposed opposite to each other to form a positioning hole portion 433.

It is understood that the number of the positioning hole portions 433 can be designed to be different, such as one, two, three or more, according to actual requirements. When the number of the positioning hole portions 433 is plural, the plurality of positioning hole portions 433 are arranged at intervals along the axial direction of the through hole 4311, and the connecting member penetrates through the positioning hole portions 433 at different positions, so that the mounting positions of the motor mounting base 400 and the horn 300 can be adjusted. Referring to fig. 7 and 8, in the present embodiment, the number of the positioning hole portions 433 is two, and the two positioning hole portions 433 are disposed at intervals along the axial direction of the through hole 4311.

Referring to fig. 5 to 8, as a preferred embodiment, the clamping structure 430 further includes a slot 434, which enables the clamping structure 430 to stably clamp the arm 300, and also saves raw materials, reduces the overall weight of the drone 100, and improves the endurance time. The slot 434 is provided on the clamping portion 431 and communicates with the through hole 4311. Specifically, the slot 434 extends through the inner surface 4317 and the outer surface 4318 of the clamping portion 431, and the slot 434 is located on a side of the clamping portion 431 facing the mounting structure 410.

In the present 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, the horn 300 is inserted into the through hole 4311 of the motor mount 400, the insertion hole 310 of the horn 300 is aligned with the positioning hole 433 of the motor mount 400, and the axial position of the horn 300 is restricted by inserting the insertion hole 310 and the positioning hole 433 through a coupling member such as a pin. The first locking part 4321 and the second locking part 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 horn 300, the circumferential limitation of the horn 300 is realized, and the assembly of the horn 300 and the motor mounting seat 400 is completed. The bottom of the motor 500 is connected to the mounting part 412 through a connecting member to fix the motor 500 on the motor mounting seat 400, i.e., to complete the assembly of the motor 500, the motor mounting seat 400 and the horn 300.

When motor 500 breaks down, loosen the connecting piece of installation department 412 and motor 500 of connecting motor mount 400, can remove installation department 412 and motor 500's being connected, can be quick change the motor that breaks down for spare motor or the part that breaks down in the quick replacement motor, need not to pull down motor mount 400 and the whole of motor 500 constitution from horn 300 or pull down other spare parts of being connected on the motor mount 400, motor 500 maintenance process has effectively been simplified, and convenient for maintenance, and the maintenance efficiency is improved, and user's experience sense has also been promoted.

The motor mount pad 400 that this embodiment provided, motor element, horn subassembly and unmanned aerial vehicle, because the installation department 412 and the motor 500 of motor mount pad 400 can be dismantled and be connected, clamping structure 430 cover is established on horn 200, when motor 500 breaks down and needs the maintenance, remove installation department 412 and motor 500's being connected, need not to pull down or pull down other spare parts of connecting on motor mount pad 400 with the whole from horn 200 that motor mount pad 400 and motor 500 constitute, the part that breaks down in can be quick the motor 500 that will break down changes for reserve motor 500 or quick replacement motor 500, motor 500 maintenance process has effectively been simplified, maintenance efficiency is improved, moreover, the steam generator is simple in structure, and user's experience sense has also been promoted.

Example two

Referring to fig. 2 to 8 again, the motor mount 400 of the second embodiment is substantially the same as the motor mount 400 of the first embodiment, except that in the first embodiment, a positioning structure 440 is further disposed inside the clamping portion 431 to prevent the arm 300 from rotating along the circumferential direction of the clamping portion 431.

Specifically, referring to fig. 6 and 7, the positioning structure 440 includes a first positioning key 441, a second positioning key 442, and a third positioning key 443. In the present embodiment, the first positioning key 441, the second positioning key 442, and the third positioning key 443 are sequentially provided at intervals in the circumferential direction of the clamping portion 431.

In some embodiments, the first positioning key 441, the second positioning key 442 and the third positioning key 443 are each a convex strip structure extending in the axial direction of the clamping portion 431. In another embodiment, the first positioning key 441, the second positioning key 442, and the third positioning key 443 may be provided in a multi-stage structure that is spaced apart from each other along the axial direction of the clamping portion 431, as long as the rotation of the arm 300 in the circumferential direction of the clamping portion 431 can be prevented.

It is understood that in other embodiments, the first positioning key 441, the second positioning key 442 and the third positioning key 443 can be designed into any other suitable structure according to actual requirements, for example, a plurality of concentric annular protrusions extending along the circumferential direction of the clamping portion 431.

Referring to fig. 4, 6 and 7, in the present embodiment, a first opening 320 and a second opening 330 are formed at one end of the arm 300. The first opening 320 is engaged with the first positioning key 441, and the second opening 330 is engaged with the third positioning key 443. The locking assembly 432 is fastened such that the diameter of the through hole 4311 is gradually reduced. When the diameter of the through hole 4311 is reduced to a point where the second positioning key 442 abuts against the arm, the locking assembly 432 is continuously locked, and at this time, the second positioning key 442 exerts an acting force on the arm 300 radially inward along the through hole 4311, so that the clamping portion 431 can firmly clamp the arm 300, and the safety of the unmanned aerial vehicle 100 in flight is improved.

It is understood that in other embodiments, the positioning structure 440 may be designed into any other suitable structure according to actual requirements, for example, a first opening and a second opening are designed on the clamping portion 431, and a first positioning key matching with the first opening and a third positioning key matching with the second opening are correspondingly provided on the horn 300, as long as the horn 300 can be prevented from rotating in the circumferential direction.

The first positioning key 441, the second positioning key 442 and the third positioning key 443 can be disposed on any suitable positions of the inner surface 4317 of the clamping portion 431 according to actual requirements. Referring to fig. 6 and 7, in the present embodiment, the second positioning key 442 is disposed at the middle of the clamping portion 431 in the circumferential direction, and the first positioning key 441 and the third positioning key 443 are symmetrically disposed at two sides of the second positioning key 442.

To further ensure that the arm 300 is stably mounted on the clamping portion 431, the first positioning key 441 and the third positioning key 443 are symmetrical about the center of the clamping portion, and the first positioning key 441 and the third positioning key 443 are symmetrically arranged at both sides of the second positioning key 442.

Referring to fig. 6 and 7, since the second positioning key 442 is subjected to a force at a position larger than the force at other positions of the clamping portion 431, the second positioning key 442 is designed to include at least two spaced parallel ribs extending along the axial direction of the clamping portion 431, so as to increase the strength of the second positioning key 442 and avoid the need to replace the motor mounting base 400 due to the damage of the second positioning key 442. In the present embodiment, the second positioning key 442 is composed of two convex strips, and the first positioning key 441 and the third positioning key 443 are composed of one convex strip extending in the axial direction of the clamping portion 431.

It is 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 configured as other structures according to actual requirements, such as a ring-shaped protrusion, a block-shaped protrusion, a column-shaped protrusion or an arc-shaped protrusion.

During assembly, the arm 300 is inserted into the through hole 4311 of the motor mounting seat 400, the first positioning key 441 and the third positioning key 443 respectively correspond to the first opening 320 and the second opening 330, the insertion hole 310 of the arm 300 corresponds to the positioning hole portion 433 of the motor mounting seat 400, and the insertion hole 310 and the positioning hole portion 433 are inserted through a connecting piece such as a pin shaft to axially limit the 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 horn 300, the circumferential limitation of the horn 300 is realized, and the assembly of the horn 300 and the motor mounting seat 400 is completed. The bottom of the motor 500 is connected to the mounting part 412 through a connecting member to fix the motor 500 on the motor mounting seat 400, i.e., to complete the assembly of the motor 500, the motor mounting seat 400 and the horn 300.

EXAMPLE III

Referring to fig. 2, fig. 3, fig. 5, fig. 6 and fig. 7, the motor of the unmanned aerial vehicle is susceptible to damage caused by strong impact during flight operation. In order to absorb the impact or vibration and avoid the damage of the motor due to the impact, in the embodiment, on the basis of the first embodiment, the motor mounting base 400 further includes a locking structure 450, and the locking structure 450 is disposed on the bearing portion 411. The locking structure 450 is connected to the motor protection case 800 sleeved outside the motor mounting base 400.

Specifically, referring to fig. 5 to 7, the locking structure 450 includes a first plate 451 and a locking portion 452. Wherein, the first plate body 451 extends outwards from a side of the bearing part 411 away from the center. The locking portion 452 is disposed at an end of the first plate body 451 away from the carrying portion. The locking portion 452 may be designed to be at least one of a locking hole, a slot, and a buckle according to actual requirements. In the present embodiment, the locking portion 452 is a locking hole. The corresponding position and the locking hole on the motor protection shell 800 are penetrated by the screw and the like, so that the motor protection shell 800 is fixed outside the motor mounting seat 400.

Referring to fig. 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 connected to the locking portion 452 and the supporting portion 411. The reinforcement 453 may be designed in any suitable shape, such as an arc, a square, or other irregular shape, according to actual requirements.

In the present embodiment, the locking structure 450 and the supporting portion 411 are designed as an integral structure. It is understood that in other embodiments, the locking structure 450 and the carrying portion 411 may be separate components.

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

Referring to fig. 7, the locking structure 450 and the supporting portion 411 form a side gap 454. When the motor protection case 800 is mounted on the motor mounting seat 400, the side notches 454 allow air to circulate, and discharge air in the motor mounting seat 400, thereby improving the heat dissipation efficiency of the motor.

Example four

Referring to fig. 2, fig. 3, fig. 5, fig. 6, and fig. 7 again, the motor mount 400 of the fourth embodiment has a structure substantially the same as the motor mount 400 of the third embodiment, except that in the first embodiment, in the third embodiment, the clamping structure 430 further includes an assembling portion 435, which is disposed on a side of the clamping portion 431 away from the mounting structure 410, and is used for mounting the light emitting assembly 900 of the unmanned aerial vehicle 100.

Referring to fig. 2, 3, 6 and 7, in some embodiments, the light emitting assembly 900 includes a lamp holder 910 and a lamp cover 920, the lamp holder 910 is mounted on the mounting portion 435, the lamp cover 920 is mounted on the motor protecting case 800, the lamp holder 910 corresponds to the lamp cover 920, and a light emitting element, such as a light emitting diode, of the lamp holder 910 is electrically connected to the electronic governor. When unmanned aerial vehicle 100 flies at night, light-emitting component 900 can send light to remind user unmanned aerial vehicle's position. The mounting portion 435 and the light emitting assembly 900 can be connected by any suitable connection method, such as a snap fit, a threaded connection, etc., according to actual requirements. In this embodiment, the mounting portion 435 is a mounting hole, and the light emitting assembly 900 and the motor mounting base 400 are fixed by inserting the locking member through the mounting portion 435 and the lamp holder 910.

The motor assembly provided by the second aspect of the present invention, the horn assembly provided by the third aspect of the present invention, and the unmanned aerial vehicle provided by the fourth aspect of the present invention all include the motor mount 400 described in the above embodiments, so that all the beneficial technical effects of any of the above technical solutions are achieved, and no further description is given here.

In the description of the present invention, it should be noted that the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected unless otherwise explicitly stated or limited. Either mechanically or electrically. They may be directly connected or indirectly connected through intervening media, or may be connected through the use of two elements or the interaction of two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The above disclosure provides many different embodiments, or examples, for implementing different features of the invention. The components and arrangements of the specific examples are described above to simplify the present disclosure. Of course, they are merely examples and are not intended to limit the present invention. Furthermore, the present invention may repeat reference numerals and/or letters in the various examples, such repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. In addition, the present invention 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 the present specification, reference to the description of the terms "one embodiment", "some embodiments", "an illustrative embodiment", "an example", "a specific example", or "some examples", etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example 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.

While 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 to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. The utility model provides a motor mount pad for connect unmanned aerial vehicle's motor and horn, its characterized in that includes:

the clamping structure 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 mounting structure and used for being connected with a motor protective shell of the unmanned aerial vehicle.

2. The motor mounting seat according to claim 1, wherein the number of the mounting portions is plural, and the plural mounting portions are arranged at intervals along a circumferential direction of the bearing portion.

3. The motor mount of claim 2, wherein the plurality of mounting portions are arranged at equal intervals in a circumferential direction of the bearing portion.

4. The motor mount of claim 1, wherein the mounting portion comprises at least one of: mounting hole, buckle, draw-in groove.

5. The motor mount of claim 1, wherein the carrier comprises:

and the two adjacent carrier beams are connected end to end.

6. The motor mount of claim 5, wherein the portion of the load beam for connection with the connection structure is disposed on a side of the mounting portion facing a center of the load portion.

7. The motor mount of claim 1, wherein the locking structure comprises:

the first plate body extends outwards from one side of the bearing part, which is deviated from the center;

the locking part is arranged at one end, deviating from the bearing part, of the first plate body and is used for being connected with a motor protective shell of the unmanned aerial vehicle.

8. The motor mounting seat according to claim 1, wherein the number of the locking structures is two, and the two locking structures are symmetrically disposed on two opposite sides of the mounting structure.

9. The motor mount of claim 1, wherein the clamping structure comprises:

the clamping part is provided with a through hole and a gap for communicating the outer surface of the clamping part with the through hole;

locking Assembly locates the breach department of clamping part, in order to change the size of through-hole, thereby make clamping structure can pass through the clamping part presss from both sides tight unmanned aerial vehicle's horn.

10. The motor mount of claim 9, wherein the clamp portion has a first free end and a second free end; the locking assembly includes:

a first locking portion provided at the first free end;

the second locking part is arranged at the second free end and is arranged opposite to the first locking part at intervals; the first locking portion and the second locking portion are connected and locked by a fastener, so that the size of the through hole is reduced.

11. The motor mount of claim 9, wherein the number of the locking assemblies is at least two, and at least two of the locking assemblies are spaced apart in a radial direction of the clamping portion.

12. The motor mount of claim 9, wherein the clamp structure further comprises:

and the positioning hole part penetrates through the clamping part and is communicated with the through hole.

13. The motor mount of claim 12, wherein the clamp portion has a first free end and a second free end; the positioning hole portion includes:

the first groove is arranged at the first free end;

and the second groove is arranged at the second free end and is opposite to the first groove.

14. The motor mount of claim 12, wherein the number of the pilot hole portions is plural, and a plurality of the pilot hole portions are provided at intervals in a radial direction of the grip portion.

15. The motor mounting seat 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 third positioning key which are sequentially arranged at intervals along the circumferential direction of the clamping portion so as to prevent the machine arm from rotating along the circumferential direction.

16. The motor mounting seat according to claim 15, wherein the second positioning key is disposed in a middle portion of the clamping portion in a circumferential direction, and the first positioning key and the third positioning key are symmetrically disposed on two sides of the second positioning key.

17. The motor mount of claim 15, wherein the first detent, the second detent, and the third detent are each a rib structure extending in an axial direction of the clamp portion.

18. The motor mount of 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. The motor mount of claim 9, wherein the clamp structure further comprises:

and the groove is arranged on the clamping part and communicated with the through hole.

20. The motor mount of claim 9, wherein the clamp structure further comprises:

the assembly portion is located the clamping part deviates from one side of mounting structure for installation unmanned aerial vehicle's light-emitting component.

21. The motor mount of claim 1, wherein the connection structure comprises:

a plurality of connecting portions disposed at intervals, connected to the clamping structure and the mounting structure.

22. The motor mount of claim 21, wherein the connection structure further comprises:

and the reinforcing part is arranged on the connecting part and extends along the length direction of the connecting part.

23. An electric machine assembly, comprising:

the motor is arranged on the motor mounting seat;

wherein, the motor mount pad includes:

24. The motor assembly of claim 23, wherein the number of the mounting portions is plural, and the plural mounting portions are arranged at intervals along a circumferential direction of the bearing portion.

25. The motor assembly of claim 24, wherein the plurality of mounting portions are equally spaced along a circumference of the carrier portion.

26. The motor assembly of claim 23, wherein the mounting portion comprises at least one of: mounting hole, buckle, draw-in groove.

27. The electric machine assembly of claim 23, wherein the carrier comprises:

and the two adjacent bearing beams are connected end to end.

28. The motor assembly of claim 27, wherein the portion of the load beam for connection to the connecting structure is disposed on a side of the mounting portion facing a center of the load portion.

29. An electric motor assembly as set forth in claim 23 wherein said locking structure comprises:

30. The motor assembly of claim 23, wherein the number of the locking structures is two, and the two locking structures are symmetrically disposed on two opposite sides of the mounting structure.

31. The electric motor assembly of claim 23, wherein the clamping structure comprises:

locking Assembly locates the breach department of clamping part to the change the size of through-hole, thereby make clamping structure can pass through clamping part presss from both sides tight unmanned aerial vehicle's horn.

32. The motor assembly of claim 31 wherein the clamp portion has a first free end and a second free end; the locking assembly includes:

a first locking portion provided at the first free end;

33. The motor assembly of claim 31, wherein the number of the locking assemblies is at least two, and at least two of the locking assemblies are spaced apart in a radial direction of the clamping portion.

34. The electric motor assembly of claim 31, wherein the clamping structure further comprises:

35. The electric motor assembly of claim 34, wherein the clamp portion has a first free end and a second free end; the positioning hole portion includes:

the first groove is arranged at the first free end;

36. The motor assembly of claim 34, wherein the number of the pilot hole portions is plural, and a plurality of the pilot hole portions are provided at intervals in a radial direction of the clamping portion.

37. The motor assembly of 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 arranged at intervals along the circumferential direction of the clamping portion so as to prevent the machine arm from rotating along the circumferential direction.

38. The motor assembly of claim 37, wherein the second positioning key is disposed at a middle portion of the clamping portion in a circumferential direction, and the first positioning key and the third positioning key are symmetrically disposed at two sides of the second positioning key.

39. The motor assembly of claim 37, wherein the first detent key, the second detent key, and the third detent key are each rib structures extending in an axial direction of the clamping portion.

40. The motor assembly of claim 37, wherein the number of second alignment keys is two, and the number of first alignment keys and the number of third alignment keys are both one.

41. The electric motor assembly of claim 31, wherein the clamping structure further comprises:

42. The electric motor assembly of claim 31, wherein the clamping structure further comprises:

43. The electric machine assembly of claim 23, wherein the connection structure comprises:

44. The electric machine assembly according to claim 43, wherein the connection structure further comprises:

45. An arm assembly, comprising:

a horn;

wherein, the motor mount pad includes:

the lock solid structure is located mounting structure is last for be connected with unmanned aerial vehicle's motor protective housing.

46. A horn assembly as claimed in claim 45 wherein said mounting portion is plural in number, said plural mounting portions being spaced circumferentially of said load bearing portion.

47. A horn assembly as defined in claim 46 wherein a plurality of said mounting portions are equally spaced circumferentially of said load bearing portion.

48. A horn assembly of claim 45 wherein said mounting portion includes at least one of: mounting hole, buckle, draw-in groove.

49. A horn assembly as defined in claim 45, wherein said bearing comprises:

and the two adjacent bearing beams are connected end to end.

50. A horn assembly according to claim 49 wherein the point of the load beam for connection to the connecting structure is provided on the side of the mounting portion facing the centre of the load bearing portion.

51. A horn assembly as defined in claim 45, wherein said locking structure comprises:

52. A horn assembly as claimed in claim 45 wherein the number of locking formations is two, the two locking formations being symmetrically disposed on opposite sides of the mounting formation.

53. A horn assembly of claim 45 wherein said clamping structure comprises:

54. A horn assembly as defined in claim 53, wherein said clamp portion has a first free end and a second free end; the locking assembly includes:

the first locking part is arranged at the first free end;

55. A horn assembly as defined in claim 53, wherein said number of locking assemblies is at least two, at least two of said locking assemblies being spaced radially of said clamp portion.

56. A horn assembly of claim 53 wherein said clamp structure further comprises:

57. A horn assembly according to claim 56 wherein said clamp portion has a first free end and a second free end; the positioning hole portion includes:

the first groove is arranged at the first free end;

58. A horn assembly as defined in claim 56 wherein said locator hole portions are plural in number, and a plurality of said locator hole portions are provided at intervals in a radial direction of said clamp portion.

59. A horn assembly as claimed in claim 56 wherein the inner wall of the clamp portion is provided with first, second and third detent keys spaced apart circumferentially of the clamp portion to prevent rotation of the horn in the circumferential direction.

60. The horn assembly of claim 59, wherein the second alignment key is disposed at a middle portion of the clamping portion in a circumferential direction, and the first alignment key and the third alignment key are symmetrically disposed at two sides of the second alignment key.

61. The horn assembly of claim 59, wherein said first detent key, said second detent key and said third detent key are each a rib structure extending in an axial direction of said clamp portion.

62. The horn assembly of claim 59, wherein the number of second alignment keys is two, and the number of first alignment keys and the number of third alignment keys are both one.

63. A horn assembly of claim 53 wherein said clamp structure further comprises:

64. A horn assembly of claim 53 wherein said clamp structure further comprises:

65. A horn assembly as in claim 45, wherein the connecting structure comprises:

66. A horn assembly of claim 65 wherein said attachment structure further comprises:

67. An unmanned aerial vehicle, comprising:

a body;

the machine arm is arranged on the machine body;

the motor is arranged on the motor mounting seat;

the propeller is connected with the motor;

wherein, the motor mount pad includes:

68. An unmanned aerial vehicle as claimed in claim 67, wherein the number of the mounting portions is plural, and the mounting portions are arranged along the circumferential direction of the bearing portion at intervals.

69. An unmanned aerial vehicle according to claim 68, wherein the mounting portions are arranged at equal intervals along the circumference of the carrying portion.

70. A drone as claimed in claim 67, wherein the mounting portion includes at least one of: mounting hole, buckle, draw-in groove.

71. A drone according to claim 67, wherein the carrier includes:

and the two adjacent carrier beams are connected end to end.

72. An unmanned aerial vehicle according to claim 71, wherein the portion of the carrier bar for connection with the connecting structure is provided on a side of the mounting portion facing a center of the carrier portion.

73. A drone as claimed in claim 67, wherein the locking structure includes:

74. An unmanned aerial vehicle as claimed in claim 67, wherein the number of the locking structures is two, and the two locking structures are symmetrically arranged on two opposite sides of the mounting structure.

75. A drone according to claim 67, wherein the clamping structure includes:

76. A drone as claimed in claim 75, wherein the grip has a first free end and a second free end; the locking assembly includes:

the first locking part is arranged at the first free end;

the second locking part is arranged at the second free end and is arranged opposite to the first locking part at an interval; the first locking portion and the second locking portion are connected and locked by a fastener, so that the size of the through hole is reduced.

77. A drone as claimed in claim 75, wherein the number of locking assemblies is at least two, at least two of the locking assemblies being spaced radially of the grip.

78. A drone according to claim 75, wherein the clamping structure further includes:

79. A drone as claimed in claim 78, wherein the grip has a first free end and a second free end; the positioning hole portion includes:

the first groove is arranged at the first free end;

80. A drone as claimed in claim 78, wherein the number of locating hole portions is plural, and a plurality of the locating hole portions are provided at intervals in the radial direction of the grip portion.

81. An unmanned aerial vehicle according to claim 78, wherein the inner wall of clamping part is provided with first navigation key, second navigation key and third navigation key that set up along the circumference of clamping part at interval in proper order to prevent the horn from along circumferential direction.

82. An unmanned aerial vehicle according to claim 81, wherein the second navigation key is arranged in the middle of the clamping portion in the circumferential direction, and the first navigation key and the third navigation key are symmetrically arranged on two sides of the second navigation key.

83. An unmanned aerial vehicle according to claim 81, wherein the first locating key, the second locating key and the third locating key are each a rib structure extending in an axial direction of the clamping portion.

84. A drone according to claim 81, wherein the number of second positioning keys is two, and the number of first positioning keys and the number of third positioning keys are both one.

85. A drone according to claim 75, wherein the clamping structure further includes:

86. A drone according to claim 75, wherein the clamping structure further includes:

87. A drone according to claim 67, wherein the connection structure includes:

88. A drone according to claim 87, wherein the connection structure further includes: