CN212605807U

CN212605807U - Unmanned aerial vehicle and be applicable to unmanned aerial vehicle's protector

Info

Publication number: CN212605807U
Application number: CN202021248143.1U
Authority: CN
Inventors: 屈珅
Original assignee: SZ DJI Technology Co Ltd
Current assignee: SZ DJI Technology Co Ltd
Priority date: 2020-06-29
Filing date: 2020-06-29
Publication date: 2021-02-26
Anticipated expiration: 2030-06-29

Abstract

An unmanned aerial vehicle and a protection device suitable for the unmanned aerial vehicle. Protector includes that a plurality of being used for can dismantle the first protective component who is connected with unmanned aerial vehicle's rotor subassembly. The first ends of the second protection assemblies are rotatably connected with the first protection assemblies, and the second ends of the second protection assemblies are detachably connected with the second protection assemblies. The second protection component is including unfolding state and fold condition, it is right that the second protection component is in when unfolding the state unmanned aerial vehicle's rotor subassembly protects, and is convenient for when being in fold condition unmanned aerial vehicle's horn is folded and is accomodate.

Description

Unmanned aerial vehicle and be applicable to unmanned aerial vehicle's protector

Technical Field

The application relates to the technical field of unmanned aerial vehicles, especially, relate to an unmanned aerial vehicle and be applicable to unmanned aerial vehicle's protector.

Background

The unmanned aerial vehicle as an air flight platform has the characteristics of sensitivity to weight and airflow. The protection problem of multiaxis many rotor unmanned aerial vehicle all has been paid much attention to all over the past, and the paddle of high-speed rotation not only threatens personal safety, also causes the paddle to be destroyed and endangers flight safety easily when meetting the barrier.

The safety cover is not equipped with to present unmanned aerial vehicle majority, and a small number is equipped with the unmanned aerial vehicle of safety cover, and the unmanned aerial vehicle of single model can only be matchd to the safety cover, to multiaxis unmanned aerial vehicle, because its form is changeable, the wheel base is changeable, and current safety cover also is difficult to the unmanned aerial vehicle of the different models of better adaptation.

SUMMERY OF THE UTILITY MODEL

The application provides an unmanned aerial vehicle and be applicable to unmanned aerial vehicle's protector.

According to a first aspect of the embodiments of the present application, there is provided a protection device suitable for a drone, the protection device comprising:

a plurality of first protective assemblies for detachable connection with a rotor assembly of the drone;

the second protection assemblies are connected between two adjacent first protection assemblies, the first ends of the second protection assemblies are rotatably connected with the first of the two adjacent first protection assemblies, and the second ends of the second protection assemblies are detachably connected with the second of the two adjacent first protection assemblies;

the second protection component is including unfolding state and fold condition, it is right that the second protection component is in when unfolding the state unmanned aerial vehicle's rotor subassembly protects, and is convenient for when being in fold condition unmanned aerial vehicle's horn is folded and is accomodate.

Further, a first end of the second protection component rotates to a deployed state relative to a first one of two adjacent first protection components, a second end of the second protection component is connected with a second one of the two adjacent first protection components, and the plurality of first protection components and the plurality of second protection components enclose to form a protection cover structure covering the outer sides of the rotor components of the unmanned aerial vehicle;

the first end of the second protection component is rotated to a folded state relative to two adjacent first protection components, and the second end of the second protection component is separated from the second end of the two adjacent first protection components.

Furthermore, the second protection assembly comprises a first rod piece, a movable part is arranged at the first end of the first rod piece, and a first connecting part is arranged at the second end of the first rod piece; the movable part is rotatably connected with a first one of the two adjacent first protection assemblies, and the first connecting part is detachably connected with a second one of the two adjacent first protection assemblies;

the movable part rotates relative to a first one of the two adjacent first protection assemblies to drive the first rod piece to rotate to an unfolded state, and the first connecting part is connected with a second one of the two adjacent first protection assemblies; the movable part moves relative to two adjacent first protection assemblies to drive the first rod piece to move to a folded state, and the first connecting part is separated from two adjacent second protection assemblies.

Furthermore, the first protection component comprises a connecting bracket and a connecting seat fixedly connected with the connecting bracket, and the connecting seat is fixedly connected with the rotor wing component; the connecting bracket comprises a second rod piece which is fixedly connected with the connecting seat;

a rotating shaft is arranged at the first end of the second rod piece, and the movable part is rotatably connected to the rotating shaft; the second end of the second rod piece is provided with a second connecting part matched with the first connecting part;

the movable part rotates relative to the rotating shaft of a first one of the two adjacent first protection assemblies to drive the first rod piece to rotate to an unfolded state, and the first connecting part is connected with the second connecting part of a second one of the two adjacent first protection assemblies;

the relative adjacent two of movable part first among the first protection component the pivot is rotated, drives first member rotates to fold condition, first connecting portion and adjacent two the second among the first protection component the second connecting portion alternate segregation.

Further, the first connecting part comprises a clamping groove, and the second connecting part comprises a pin shaft matched with the clamping groove;

the movable part rotates relative to the rotating shaft of a first one of the two adjacent first protection assemblies to drive the first rod piece to rotate to an unfolded state, and the clamping groove is clamped on the pin shaft of a second one of the two adjacent first protection assemblies; the relative adjacent two of movable part first one in the first protection component the pivot is rotated, drives first member rotates to fold condition, the draw-in groove breaks away from adjacent two the second in the first protection component the round pin axle.

Furthermore, the opening direction of the clamping groove faces to the direction close to the first rod piece, and the clamping groove is obliquely arranged relative to the axial direction of the first rod piece.

Further, the first connection part includes a first fastening hole, and the second connection part includes a second fastening hole fitted with the first fastening hole and a fastening member fitted with the second fastening hole and the first fastening hole;

the movable part rotates relative to the rotating shaft of a first one of the two adjacent first protection assemblies to drive the first rod piece to rotate to an unfolded state, and the first fastening hole and the second fastening hole of a second one of the two adjacent first protection assemblies are positioned at the same position and are connected with each other by penetrating through the corresponding fastening piece; the corresponding fastening piece is separated from the corresponding second fastening hole and the corresponding first fastening hole, the movable part rotates relative to the rotating shaft of the first one of the two adjacent first protection assemblies to drive the first rod piece to rotate to a folded state, and the axial direction of the first fastening hole is staggered with the axial direction of the second fastening hole of the second one of the two adjacent first protection assemblies.

Furthermore, a groove part is arranged at the first end of the second rod piece, and the rotating shaft is arranged in the groove part;

the end part of the movable part far away from the first rod piece is provided with a limiting part, the movable part rotates relative to the rotating shaft of the first one of the two adjacent first protective assemblies to drive the first rod piece to rotate to a spreading state, and the limiting part is abutted against the bottom wall of the groove part.

Furthermore, the limiting part is formed at the end part of one side of the movable part, which is far away from the first rod piece and the connecting seat.

Furthermore, the end face of the limiting part faces the direction far away from the first rod piece and is obliquely arranged relative to the axial direction of the first rod piece.

Further, the inclined angle of the end face of the limiting part relative to the axial direction of the first rod piece is 1-2 degrees.

Furthermore, a groove part is arranged at the first end of the second rod piece, the rotating shaft is arranged in the groove part, and a positioning hole is arranged on the side wall of the groove part;

a positioning piece penetrates through the movable part and is arranged along the axial direction of the rotating shaft, an elastic positioning part matched with the positioning hole is arranged at the end part of the positioning piece, and the elastic positioning part can move along the axial direction of the positioning piece;

the movable part rotates relative to the rotating shaft of a first one of the two adjacent first protection assemblies to drive the first rod piece to rotate to a folded state, and the elastic positioning part moves to a position where a part protrudes out of the surface of the movable part and is clamped in the positioning hole; the movable portion rotates relative to the rotating shaft of a first one of the two adjacent first protection assemblies to drive the first rod piece to rotate to other positions, and the elastic positioning portion moves to be flush with the surface of the movable portion and abuts against the side wall of the groove portion.

Furthermore, the side walls of the two sides of the groove portion are provided with positioning holes corresponding in position, and the end portions of the two sides of the positioning piece are provided with the elastic positioning portions.

Further, the connecting bracket comprises at least two second rod pieces which are arranged side by side, and the at least two second rod pieces are connected with each other through a first connecting rod; the number of the first rod pieces corresponds to that of the second rod pieces, and the first rod pieces and the second rod pieces are connected in a one-to-one correspondence mode.

Further, the first rod is a carbon fiber tube.

two ends of the second rod piece of a first one of the two adjacent first protection assemblies are respectively provided with a rotating shaft, and the movable part is rotatably connected to the rotating shafts; two ends of the second rod piece of the second one of the two adjacent first protection assemblies are respectively provided with a second connecting part matched with the first connecting part;

the movable part rotates relative to the rotating shaft of the second rod piece of a first one of the two adjacent first protection assemblies to drive the first rod piece to rotate to a spreading state, and the first connecting part is connected with the second connecting part of the second rod piece of a second one of the two adjacent first protection assemblies;

the activity portion is adjacent two relatively first among the first protection component the pivot of second member rotates, drives first member rotates to fold condition, first connecting portion and adjacent two in the first protection component the second member the second connecting portion alternate segregation of second member.

Further, the number of the second shield components corresponds to the number of the first shield components.

According to the second aspect of this application embodiment, provide an unmanned aerial vehicle, including fuselage, horn, rotor subassembly and as above any embodiment protector, the horn rotate connect in the fuselage, the rotor subassembly set up in the horn, protector first protector with the connection can be dismantled to the rotor subassembly.

Further, the unmanned aerial vehicle comprises a flying state and a storage state, and when the unmanned aerial vehicle is in the flying state, the plurality of arms rotate to be in the same plane; when unmanned aerial vehicle is in the state of accomodating the second protection component is in fold condition, just the horn rotate to fold in all sides of fuselage.

Further, when unmanned aerial vehicle was in the state of accomodating, the second protection component was on a parallel with the horn.

Further, the landing gear is rotatably connected to the bottom of the fuselage.

Further, the unmanned aerial vehicle comprises a flying state and a storage state, and when the unmanned aerial vehicle is in the flying state, the undercarriage rotates to be obliquely arranged with the body; when unmanned aerial vehicle is in the state of accomodating, the undercarriage rotate to fold in the below of fuselage.

Furthermore, the number of the landing gears is two, and the two landing gears are symmetrically arranged at the bottom of the machine body.

This application can protect unmanned aerial vehicle's rotor subassembly through adjusting protector's second protection component to the state of expanding, plays the guard action to unmanned aerial vehicle, adjusts fold condition to the second protection component when being convenient for unmanned aerial vehicle's horn is folded and is accomodate to the cooperation can be dismantled with first protection component to the second protection component, is convenient for assemble and dismantle, has better commonality.

Drawings

Fig. 1 is a schematic structural diagram of an unmanned aerial vehicle in one state in an embodiment of the present application.

Fig. 2 is a schematic structural diagram of the drone in another state in an embodiment of the present application.

Fig. 3 is a perspective view of fig. 2.

Fig. 4 is a schematic structural diagram of the drone in another state in an embodiment of the present application.

Fig. 5 is a partially enlarged schematic view of a guard in one state according to an embodiment of the present application.

Fig. 6 is a partially enlarged schematic view of a guard in another state according to an embodiment of the present application.

Fig. 7 is a perspective view of one manner of connecting the first shield component and the second shield component of the shield apparatus in an embodiment of the present application.

Fig. 8 is an exploded schematic view of fig. 7.

Fig. 9 is a perspective view of a first shield assembly of the shield apparatus in an embodiment of the present application.

Fig. 10 is an exploded schematic view of fig. 9.

Figure 11 is a perspective view of another attachment of the first shield assembly and the second shield assembly of the shield apparatus in an embodiment of the present application.

Fig. 12 is a schematic view of a detachable connection of a first rod and a second rod of a guard according to an embodiment of the present disclosure.

Fig. 13 is a schematic structural view of another detachable connection mode of the first rod and the second rod of the protection device in an embodiment of the present application.

FIG. 14 is a schematic view of a rotational connection of a first rod and a second rod of a shield apparatus according to an embodiment of the present disclosure.

Fig. 15 is an enlarged partial view of a first rod of the shield apparatus according to an embodiment of the present disclosure.

FIG. 16 is a schematic view of the shield apparatus in an embodiment of the present application shown in a first rod rotated to a deployed position.

Fig. 17 and 18 are schematic views of the shield apparatus in an embodiment of the present application from other perspectives when the first rod is rotated to the deployed state.

FIG. 19 is a schematic view of another rotational connection of the first rod and the second rod of the shield apparatus according to an embodiment of the present disclosure.

Fig. 20 is a schematic cross-sectional view of fig. 19.

Fig. 21 is a partially enlarged schematic view of fig. 19.

Detailed Description

Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present application. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present application, as detailed in the appended claims.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used in this application and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.

It is to be understood that although the terms first, second, third, etc. may be used herein to describe various information, such information should not be limited to these terms. These terms are only used to distinguish one type of information from another. For example, first information may also be referred to as second information, and similarly, second information may also be referred to as first information, without departing from the scope of the present application. The word "if" as used herein may be interpreted as "at … …" or "when … …" or "in response to a determination", depending on the context.

The application provides an unmanned aerial vehicle and be applicable to unmanned aerial vehicle's protector. The following combines the figure, explains unmanned aerial vehicle and the protector who is applicable to unmanned aerial vehicle of this application in detail. The features of the following examples and embodiments may be combined with each other without conflict.

Referring to fig. 1-4, an embodiment of the present application provides an unmanned aerial vehicle, which may be a multi-rotor unmanned aerial vehicle, such as a quad-rotor unmanned aerial vehicle, a six-rotor unmanned aerial vehicle, an eight-rotor unmanned aerial vehicle, etc. In the example shown in the figure, a six-rotor drone is taken as an example. The drone includes a fuselage 92, a plurality of horn 93, a plurality of rotor assemblies 91, and a guard. The horn 93 rotate connect in fuselage 92, rotor assembly 91 is corresponding with the quantity of horn 93 to set up on a plurality of horns 93 one-to-one, a plurality of horns 93 are along the circumference evenly spaced arrangement on fuselage 92. Rotor assembly 91 includes a drive motor 911 and blades 912 coupled to drive motor 911, and drive motor 911 is configured to rotate blades 912.

Referring to fig. 5 and fig. 6, this application embodiment still provides a protector suitable for unmanned aerial vehicle, applicable in the unmanned aerial vehicle that this application embodiment provided. The guard includes a plurality of first guard assemblies 10 and a plurality of second guard assemblies 20. First protection component 10 is used for dismantling with unmanned aerial vehicle's rotor subassembly 91 and is connected, and detail is held down with rotor subassembly 91's connected mode to first protection component 10. The second guard assembly 20 is connected between two adjacent first guard assemblies 10. The first end of the second guard assembly 20 is rotatably connected to a first one of the two adjacent first guard assemblies 10, and the second end of the second guard assembly 20 is detachably connected to a second one of the two adjacent first guard assemblies 10. In this embodiment, the first end of the second guard assembly 20 may be rotated in a direction towards or away from the drone's rotor assembly 91.

Second protection component 20 is including unfolding state and fold condition, second protection component 20 rotates when being in the unfolding state, as shown in fig. 5, right unmanned aerial vehicle's rotor subassembly 91 protects to blade 912 to unmanned aerial vehicle plays the guard action. Second protection component 20 rotates to when being in fold condition, is convenient for unmanned aerial vehicle's horn 93 is folded and is accomodate, as shown in fig. 6.

It can be seen by above technical scheme that, this application can protect unmanned aerial vehicle's rotor subassembly 91 through adjusting the second protective component 20 with protector to the state of expanding, plays the guard action to unmanned aerial vehicle's paddle 912. Adjust fold condition to the time of folding and accomodating to the horn 93 of fold condition unmanned aerial vehicle of being convenient for. And can dismantle the cooperation between second protective component 20 and the first protective component 10, be convenient for assemble and dismantle, the using-way is convenient, applicable in the unmanned aerial vehicle of different models, for example many rotor unmanned aerial vehicles such as four rotor unmanned aerial vehicle, six rotor unmanned aerial vehicle, eight rotor unmanned aerial vehicle have better commonality.

In some alternative embodiments, the number of first protective assemblies 10 of the protective device corresponds to the number of rotor assemblies 91 of the drone, and the plurality of first protective assemblies 10 are connected to the plurality of rotor assemblies 91 in a one-to-one correspondence. The number of second shield assemblies 20 corresponds to the number of first shield assemblies 10, and it will be appreciated that a plurality of second shield assemblies 20 are spaced from a plurality of first rotor assemblies 10. With the above arrangement, each rotor assembly 91 can be protected.

Two adjacent relatively in the first end of protector's second protection component 20 first one in the first protection component 10 rotates to the state of expanding along the direction of keeping away from rotor subassembly 91, the second end and adjacent two of second protection component 20 second in the first protection component 10 interconnect, a plurality of first protection components 10 with a plurality of second protection components 20 enclose to close and form to cover and establish a plurality of the protection casing structure in unmanned aerial vehicle's the rotor subassembly 91 outside, as shown in fig. 1, can play the effect of isolation protection to unmanned aerial vehicle's rotor subassembly 91, improve unmanned aerial vehicle's flight safety nature.

When the first end of the second protection component 20 of the protection device is rotated to the folded state along the direction close to the rotor component 91 relative to the adjacent two first protection components 10, the second end of the second protection component 20 is separated from the adjacent two second protection components 10, as shown in fig. 2 and 3, so that the arm 93 of the unmanned aerial vehicle can be folded and stored conveniently, as shown in fig. 4.

Further, the unmanned aerial vehicle includes flight status and accomodates the state, when unmanned aerial vehicle was in flight status a plurality of horn 93 rotates to being in the coplanar, as shown in fig. 1 to 3. At this moment, the second protection component 20 of the protection device is rotated to the unfolding state, as shown in fig. 1, so that the plurality of first protection components 10 and the plurality of second protection components 20 are enclosed to form a protection cover structure, and the rotor component 91 of the unmanned aerial vehicle is protected. When unmanned aerial vehicle was in the state of accomodating, protector's second protection component 20 was in fold condition, was convenient for unmanned aerial vehicle's horn 93 is folded and is accomodate, horn 93 can rotate to fold in fuselage 92's week side, as shown in fig. 4. Optionally, when unmanned aerial vehicle is in the state of accomodating, second protective component 20 is on a parallel with horn 93 can reduce the volume that protector occupy, is more convenient for accomodate unmanned aerial vehicle.

In some alternative embodiments, the drone may further include a landing gear 94 rotatably attached to the bottom of the fuselage 92, where the landing gear 94 may provide support or cushioning protection for the drone when the drone is statically positioned or landed. Optionally, the number of the landing gears 94 is two, and the two landing gears are symmetrically arranged at the bottom of the fuselage 92, so that the stress of the unmanned aerial vehicle during static placement or landing can be more balanced and stable.

In general, when the unmanned aerial vehicle is in the storage state, each arm 93 is folded around the fuselage 92 to be in the folded storage state, the landing gear 94 is folded under the fuselage 92, and the second protection component 20 of the protection device is also in the folded state, as shown in fig. 4. When needs use unmanned aerial vehicle, can rotate earlier undercarriage 94 to with fuselage 92 is the slope setting and plays the supporting role to fuselage 92, opens each horn 93 with unmanned aerial vehicle and rotates to being in the coplanar, as shown in fig. 2 and 3, makes unmanned aerial vehicle be in flight state.

Then, with two that the first end of protector's second protection component 20 is adjacent relatively in the first protection component 10 rotates to the state of expanding along the direction of keeping away from rotor subassembly 91 again, and will the second end of second protection component 20 and adjacent two second interconnect in the first protection component 10 encloses a plurality of first protection components 10 and a plurality of second protection components 20 and closes and form the protection casing structure, as shown in fig. 1, realizes the effect to the isolation protection of unmanned aerial vehicle's rotor subassembly 91, improves unmanned aerial vehicle's flight safety.

After unmanned aerial vehicle uses, earlier with the second end of protector's second protection component 20 and adjacent two second alternate segregation among the first protection component 10, again with the relative adjacent two of first end of second protection component 20 first one among the first protection component 10 rotates to fold condition along the direction that is close to rotor subassembly 91, as shown in fig. 2 and 3. Then, each arm 93 of the unmanned aerial vehicle is rotated to be folded on the periphery of the body 92, and the landing gear 94 is rotated to be folded under the body 92, as shown in fig. 4, so that the unmanned aerial vehicle is in a storage state. It should be noted that the control system of the unmanned aerial vehicle may automatically drive the horn 93 and the landing gear 94 to open or retract, or may manually open or retract the horn 93 and the landing gear 94, which is not limited in this application.

Referring to fig. 7 to 10, in some alternative embodiments, the second protective assembly 20 includes a first rod 21, a first end of the first rod 21 is provided with a movable portion 22, and a second end of the first rod 21 is provided with a first connecting portion 23. The movable portion 22 is rotatably connected to a first one of the two adjacent first protection assemblies 10, and the first connecting portion 23 is detachably connected to a second one of the two adjacent first protection assemblies 10. Alternatively, the movable portion 22 and the first connecting portion 23 may be both fixed to the end of the first rod 21 by a sleeve, such as a screw 19.

In practical application, when the second protection assembly 20 needs to be deployed, the movable portion 22 of the first rod 21 rotates relative to a first one of two adjacent first protection assemblies 10 along a direction away from the rotor assembly 91 to drive the first rod 21 to rotate to the deployed state, and the first connecting portion 23 is connected to a second one of the two adjacent first protection assemblies 10, so that the second protection assembly 20 is in the deployed state, as shown in fig. 5.

When the second protection assembly 20 needs to be folded, the first connection portion 23 of the first rod 21 and the two adjacent first protection assemblies 10 are separated from each other, and the movable portion 22 can move along the direction close to the rotor assembly 91 relative to the first adjacent first protection assemblies 10, so as to drive the first rod 21 to move to the folded state, so that the second protection assembly 20 is in the folded state, as shown in fig. 6.

Referring to fig. 9 and 10, in some alternative embodiments, the first protection assembly 10 includes a connecting bracket 11 and a connecting base 12 fixedly connected to the connecting bracket 11, and the connecting base 12 is fixedly connected to the rotor assembly 91. The connecting bracket 11 includes a second rod 13, and the second rod 13 is fixedly connected to the connecting seat 12. Optionally, the connecting bracket 11 includes at least two second bars 13 arranged side by side, the at least two second bars 13 are connected to each other through a first connecting rod 16, and the number of the first bars 21 corresponds to the number of the second bars 13 and is connected in a one-to-one correspondence. By interconnecting the plurality of first bars 21 and the second bars 13, the overall structural strength of the guard may be improved. In the present embodiment, the number of the second pins 13 is two, and the number of the first pins 21 is two.

Further, the second rod 13 and the first connecting rod 16 may be connected to each other by a connector 17. The connecting seat 12 and the second rod 13 may be connected to each other through a connector 17 and a second connecting rod 18. It is understood that the connecting head 17 for connecting the second rod 13 and the connecting socket 12 may be a three-way connecting head, one of which is connected to the end of the second rod 13, and the other two of which are connected to the first connecting rod 16 and the second connecting rod 18, respectively, so as to connect the connecting socket 12 and the second rod 13 to each other. The joint 17 for connecting between two adjacent second bars 13 may be a two-way joint, in which one of the joint ends is connected to the end of the second bar 13 and the other joint end is connected to the first connecting rod 16, thereby connecting the two adjacent second bars 13 to each other. Alternatively, the connecting head 17 and the first connecting rod 16, the second connecting rod 18 and the second rod 13 may be fastened by screws or the like.

In some alternative embodiments, the first shield assembly 10 and the second shield assembly 20 may include the following two connection methods:

the first connection mode is as follows: referring to fig. 7 and 8, the connectors 17 at two ends of the second rod 13 of a first one of the two adjacent first protection assemblies 10 are provided with rotating shafts 14, and the movable portion 22 of the first rod 21 is rotatably connected to the rotating shafts 14, so that the first rod 21 rotates relative to the second rod 13. Optionally, the connecting head 17 at the first end of the second rod 13 is provided with a groove portion 131, the rotating shaft 14 is disposed in the groove portion 131, and the movable portion 22 of the first rod 21 is partially engaged in the groove portion 131 and rotatably connected to the rotating shaft 14. Referring to fig. 9 and 10, the connectors 17 at two ends of the second rod 13 of a second two adjacent first protection assemblies 10 are provided with second connecting portions 15 matched with the first connecting portions 23 of the first rods 21. It can be understood that, in the present embodiment, two ends of one of the two adjacent first protection assemblies 10 are rotatably connected to two second protection assemblies 20, and two ends of the other first protection assembly 10 are detachably connected to the second protection assemblies 20. In the example shown in fig. 1 to 4, the first protection component 10 and the second protection component 20 are exemplified by the first connection manner.

The second connection mode is as follows: referring to fig. 11, the connecting head 17 at the first end of the second rod 13 is provided with a rotating shaft 14, and the movable portion 22 of the first rod 21 is rotatably connected to the rotating shaft 14, so that the first rod 21 can rotate relative to the second rod 13. The connector 17 at the second end of the second rod 13 is provided with a second connecting part 15 matched with the first connecting part 23. It will be appreciated that in this embodiment, one end of each first guard assembly 10 is pivotally connected to the second guard assembly 20, and the other end is adapted to be detachably connected to the second guard assembly 20.

In practical applications, no matter which connection manner is adopted, when the second protection assembly 20 needs to be deployed, the movable portion 22 of the first rod 21 rotates relative to the rotating shaft 14 of the second rod 13 of a first one of the two adjacent first protection assemblies 10 along a direction away from the rotor assembly 91, so as to drive the first rod 21 to rotate to the deployed state, and the first connecting portion 23 is connected with the second connecting portion 15 of the second rod 13 of a second one of the two adjacent first protection assemblies 10, so that the second protection assembly 20 is in the deployed state, as shown in fig. 5.

When the second protection assembly 20 needs to be folded, the first connection portion 23 of the first rod 21 and the second connection portion 15 of the second rod 13 of the second of the two adjacent first protection assemblies 10 are separated from each other, the movable portion 22 rotates along the direction close to the rotor assembly 91 in the rotating shaft 14 of the second rod 13 of the first of the two adjacent first protection assemblies 10, and drives the first rod 21 to rotate to the folded state, so that the second protection assembly 20 is in the folded state, as shown in fig. 6.

Referring to fig. 7 to 10, the connection base 12 may include two connection plates 122 connected to each other by a connection member 121, the connection plate 122 may be adapted to a shape of a motor housing of the driving motor 911 of the rotor assembly 91, and the connection plate 122 is fixedly connected to the motor housing of the driving motor 911. In the present embodiment, the connecting plate 122 is a circular plate. The end face of the connecting plate 122 close to the second connecting rod 18 can be outwardly protruded to form a connecting part 123, the connecting parts 123 corresponding to the positions of the two connecting plates 122 can be fixedly connected with a connecting block 124, the connecting block 124 can be provided with a through hole, the second connecting rod 18 penetrates through the through hole and is further fixedly connected with the connecting plate 122, and therefore the second connecting rod 18 and the connecting seat 12 are connected with each other. Alternatively, the connecting member 121, the connecting plate 122, the connecting portion 123, the connecting block 124, and the second connecting rod 18 may be welded and fixed. Connecting plate 122 can be dismantled through quick detach spare such as screws with driving motor 911's motor casing and be connected, realizes dismantling between first protection component 10 and the rotor subassembly 91 and is connected, more convenient to detach and equipment. In other examples, the connection plate 122 and the motor case of the driving motor 911 may be welded and fixed. Alternatively, the connecting member 121 may be an aluminum column, the connecting plate 122 may be a carbon fiber plate, and the connecting block 124 may be a pipe clamp structure for fixing the second connecting rod 18.

Further, the first rod 21, the second rod 13, the first connecting rod 16 and the second connecting rod 18 may be carbon fiber tubes, and the connecting plate 122 of the connecting seat 12 may be a carbon fiber plate, so that the first protective assembly 10 and the second protective assembly 20 have light weight, and at the same time, maintain suitable rigidity, and do not cause large air flow interference to the blades of the unmanned aerial vehicle. It can be understood that the first protection component 10 and the second protection component 20 adopt a carbon fiber plate, a carbon fiber tube and a 3D printing combination mode, are fixedly connected into a whole, have better rigidity, and can improve the protection effect. In addition, the second protection component 20 is detachably matched with the first protection component 10, so that the portable and detachable protection device has the characteristics of convenience in carrying and dismounting, and the user experience is improved. The first protection component 10 and the second protection component 20 are in a modular design, and each module can be folded along with the machine arm 93 where the module is located, so that the storage performance and the portability are enhanced.

In some alternative embodiments, the second connection portion 15 of the first shield assembly 10 and the first connection portion 23 of the second shield assembly 20 may include the following two detachable connection methods:

the first detachable connection mode is as follows: referring to fig. 12, the first connecting portion 23 includes a slot 231, and the second connecting portion 15 includes a pin 151 fitted into the slot 231. Optionally, the second connection portion 15 includes a groove 155, and the pin 151 is disposed in the groove 155.

In practical application, when the second protection component 20 needs to be deployed, the rotating shaft 14 of the first protection component 10, which is adjacent to the movable portion 22 of the first rod 21, rotates along a direction away from the rotor assembly 91, so as to drive the first rod 21 to rotate to the deployed state, the locking slot 231 is locked to the pin 151 of the second protection component 10, which is adjacent to the first protection component 10, and the first connecting portion 23 of the first rod 21 is connected to the second connecting portion 15 of the corresponding second rod 13, so that the second protection component 20 is in the deployed state, as shown in fig. 5.

When the second protection assembly 20 needs to be folded, the clamping groove 231 is pulled out to be separated from two adjacent pins 151 of the second protection assembly 10, so that the first connecting portion 23 of the first rod 21 is separated from the second connecting portion 15 of the corresponding second rod 13, and the movable portion 22 of the first rod 21 is separated from two adjacent pins, so that the rotating shaft 14 of the first protection assembly 10 rotates along the direction close to the rotor assembly 91 to drive the first rod 21 to rotate to the folded state, thereby enabling the second protection assembly 20 to be in the folded state, as shown in fig. 6.

In order to achieve a better connection fastening effect, the opening direction of the locking groove 231 faces to a direction close to the first rod 21 and is inclined relative to the axial direction of the first rod 21. In this way, in the process that the clamping groove 231 is clamped in the corresponding pin shaft 151, a tightening force for fastening the clamping groove 231 and the pin shaft 151 to each other can be formed, and the tightening force is larger as the position of the clamping groove 231 clamping the pin shaft 151 is deeper, so that the connection firmness between the second connecting portion 15 of the first protection component 10 and the first connecting portion 23 of the second protection component 20 is improved.

The second detachable connection mode is as follows: referring to fig. 13, the first connecting portion 23 includes a mating portion 233, and the mating portion 233 is provided with a first fastening hole 232. The second connection portion 15 includes a slot 154 matched with the insertion portion 233, second fastening holes 152 matched with the first fastening holes 232 are disposed on two sidewalls of the slot 154, and a fastening member 153 matched with the second fastening holes 152 and the first fastening holes 232 is further included in the second connection portion 15. Alternatively, the first fastening hole 232 and the second fastening hole 152 may employ screw holes, and the fastening member 153 may employ screws.

In practical application, when the second protection assembly 20 needs to be unfolded, the rotating shaft 14 of a first one of two adjacent first protection assemblies 10, relative to the movable portion 22 of the first rod 21, is rotated along a direction away from the rotor assembly 91, so as to drive the first rod 21 to rotate to an unfolded state, the insertion portion 233 of the first connecting portion 23 of the first rod 21 is inserted into the corresponding slot 154 of the second connecting portion 15, the first fastening hole 232 and the second fastening hole 152 of the corresponding slot 154 are located at coaxial positions, and the corresponding fastening member 153 is inserted into the second fastening hole 152 and the first fastening hole 232 located at coaxial positions, so as to connect the first connecting portion 23 of the first rod 21 and the second connecting portion 15 of the corresponding second rod 13 with each other, so as to enable the second protection assembly 20 to be in an unfolded state, as shown in fig. 5.

When the second shield assembly 20 needs to be folded, the fastening members 153 are firstly taken out of the corresponding second fastening holes 152 and the corresponding first fastening holes 232, so that the fastening members 153 are separated from the corresponding second fastening holes 152 and the corresponding first fastening holes 232. The plug 233 can now be moved relative to the receptacle 154 such that the axial direction of the first fastening bore 232 is offset relative to the axial direction of the corresponding second fastening bore 152. Then, the rotating shaft 14 of the first one of the two adjacent first protection assemblies 10 is rotated relative to the movable portion 22 of the first rod 21 in a direction close to the rotor assembly 91, so as to drive the first rod 21 to rotate to the folded state, so that the second protection assembly 20 is in the folded state, as shown in fig. 6.

Referring to fig. 7, 8, 14 and 15, in some alternative embodiments, the connecting head 17 at the first end of the second rod 13 is provided with a groove 131, the rotating shaft 14 is arranged in the groove 131, and the movable portion 22 of the first rod 21 is partially clamped in the groove 131 and is rotatably connected to the rotating shaft 14. The end of the movable part 22 of the first rod 21 away from the first rod 21 is formed with a stopper 221. When the movable portion 22 rotates relative to the rotating shaft 14 of the second rod 13 of the first one of the two adjacent first protection assemblies 10 to drive the first rod 21 to rotate to the expanded state, the limiting portion 221 abuts against the bottom wall of the groove portion 131 of the second rod 13 to limit the rotation angle of the first rod 21, and thus the first rod 21 is limited.

Further, the limiting portion 221 is formed at an end portion of the movable portion 22 away from the first rod 21 and away from the connecting seat 12. One side end of the movable portion 22 far away from the first rod 21 and close to the connecting seat 12 is formed with an arc portion 222, and when the movable portion 22 of the first rod 21 is rotated relative to two adjacent rotating shafts 14 of the first rod 13 of the first one of the first protection assemblies 10, the arc portion 222 is not in contact with the bottom wall of the groove portion 131 of the second rod 13, so that the first rod 21 can be rotated to the folded state along the direction close to the rotor assembly 91. When the first rod 21 rotates to the expanded state, the first rod 21 is limited by the limiting part 221.

In some alternative embodiments, the first pin 21 is made of a carbon fiber tube, and has a certain elastic deformation capability. In order to improve the connection firmness between the second protection assembly 20 and the first protection assembly 10, the end surface of the limiting portion 221 faces the direction away from the first rod 21, and is inclined relative to the axial direction of the first rod 21. Optionally, an inclination angle of the end surface of the limiting portion 221 with respect to the axial direction of the first rod 21 is 1 ° to 2 °.

Referring to fig. 16 to 18, the second connecting portion 15 of the first shield assembly 10 and the first connecting portion 23 of the second shield assembly 20 are taken as an example of the first detachable connection manner. With the above arrangement, when the first rod 21 rotates to the folded state relative to the first one of the two adjacent first protection assemblies 10, the first rod 21 cannot be in the flush position with the connecting head 17 of the second one of the two adjacent first protection assemblies 10 due to the limiting effect of the limiting part 221, as shown in fig. 16.

Due to the elastic deformation capability of the first rod 21, the first rod 21 can be bent to pass over the connecting head 17 of the second of the two adjacent first protection assemblies 10 by human action, as shown in fig. 17 and 18. Then, the locking slot 231 of the first connecting portion 23 of the first rod 21 is locked in the pin 151 of the second connecting portion 15 of the corresponding first rod 13, as shown in fig. 5. At this time, the first rod 21 cannot be completely reset under the action of the elastic resetting force of itself and still keeps a certain deformation state, the force generated by the residual part of elastic deformation can generate a tensioning force towards the direction of the rotor assembly 91 on the pin shaft 151 of the second connecting part 15 of the first rod 13, the clamping groove 231 can be firmly combined with the pin shaft 151, even if the force is applied by external impact force, the clamping groove cannot be easily separated from the pin shaft 151, the second connecting part 15 can only be opened under the action of the force from inside to outside, and therefore the connection firmness between the second connecting part 15 of the first protection assembly 10 and the first connecting part 23 of the second protection assembly 20 is improved.

In conclusion, through the tightening force formed by the fastening between the clamping groove 231 and the pin shaft 151 and the tightening force formed by the first rod piece 21 to the first rod piece 13 under the action of the elastic restoring force of the first rod piece, the second protective component 20 and the first protective component 10 are tightened from two different directions, the connection firmness between the first protective component 10 and the second protective component 20 is improved, and when the flight state of the unmanned aerial vehicle is ensured, the protective device has sufficient rigidity and structural strength, and the flight safety is improved.

Referring to fig. 19 to 21, in some alternative embodiments, a groove portion 131 is disposed on the connecting head 17 at the first end of the second rod 13, the rotating shaft 14 is disposed in the groove portion 131, and a positioning hole 132 is disposed on a side wall of the groove portion 131.

A positioning element 223 penetrates through the movable portion 22 of the first rod 21, the positioning element 223 is arranged along the axial direction of the rotating shaft 14, an elastic positioning portion 224 matched with the positioning hole 132 is arranged at the end of the positioning element 223, and the elastic positioning portion 224 can move along the axial direction of the positioning element 223. Alternatively, the end surface of the elastic positioning portion 224 is a spherical surface, and the positioning hole 132 is a spherical hole, which is more convenient for the elastic positioning portion 224 to move relative to the positioning hole 132 when contacting the inner wall thereof.

When the relative adjacent two of movable part 22 of first member 21 the pivot 14 of the second member 13 of the first person in the first protection component 10 rotates, drives first member 21 rotates when fold condition, elasticity location portion 224 move to partial protrusion in movable part 22's surface to in the locating hole 132 of joint in the concave part 131 of second member 13, play the positioning action to the first member 21 that is in fold condition, prevent that the position of first member 21 when being in fold condition from taking place to rock and squint, be convenient for accomodate and can guarantee that unmanned aerial vehicle is in the structural stability when accomodating the state.

In the process that the second protection assembly 20 rotates from the folded state to the unfolded state, the movable portion 22 of the first rod 21 rotates relative to the rotating shaft 14 of the second rod 13 of the first of the two adjacent first protection assemblies 10, and drives the first rod 21 to rotate to other positions. During this rotation, the elastic positioning portion 224 of the positioning member 223 contacts the inner wall of the positioning hole 132 of the second rod 13 and gradually retracts as it rotates. When the elastic positioning portion 224 is completely separated from the positioning hole 132, the elastic positioning portion 224 moves to be flush with the surface of the movable portion 22 and abuts against the sidewall of the groove portion 131.

In order to achieve a better positioning effect, the positioning holes 132 corresponding to the positions are disposed on the side walls of the two sides of the groove portion 131, and the elastic positioning portions 224 are disposed on the end portions of the two sides of the positioning member 223. Through the above arrangement, when the first rod 21 is in the folded state, the positioning member 223 can be connected with the groove portion 131 more firmly, and the position of the second protection assembly 20 is ensured to be more stable.

The unmanned aerial vehicle that this application embodiment provided, through the configuration protector, the umbelliform folding function that remains multiaxis unmanned aerial vehicle that can be better, the adaptation multiaxis unmanned aerial vehicle form that also can be better after folding has strengthened accomodating with the portability. The protection device adopts the modularized design and can be adapted to four-axis, six-axis, eight-axis and variable-wheelbase unmanned aerial vehicles. Protector can play the protection to unmanned aerial vehicle's paddle and rent, and all parts of protector all can guarantee in addition that there is the position relation of relative fixation with unmanned aerial vehicle's organism, do not have the part that can break away from the organism, have reduced because of the part drops the probability that causes the flight accident on the way in unmanned aerial vehicle flight.

Although the present application has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the application, and all changes, substitutions and alterations that fall within the spirit and scope of the application are to be understood as being covered by the following claims.

The disclosure of this patent document contains material which is subject to copyright protection. The copyright is owned by the copyright owner. The copyright owner has no objection to the facsimile reproduction by anyone of the patent document or the patent disclosure, as it appears in the patent and trademark office official records and records.

Claims

1. The utility model provides a protector suitable for unmanned aerial vehicle, its characterized in that, protector includes:

2. The protective apparatus according to claim 1, wherein a first end of the second protective component rotates to a deployed state with respect to a first of two adjacent first protective components, a second end of the second protective component interconnects with a second of the two adjacent first protective components, and the plurality of first protective components and the plurality of second protective components enclose a protective cover structure that covers an outer side of a plurality of rotor components of the drone;

3. The shielding device of claim 2, wherein the second shielding assembly comprises a first rod, a first end of the first rod is provided with a movable portion, and a second end of the first rod is provided with a first connecting portion; the movable part is rotatably connected with a first one of the two adjacent first protection assemblies, and the first connecting part is detachably connected with a second one of the two adjacent first protection assemblies;

4. The protective device according to claim 3, wherein the first protective component comprises a connecting bracket and a connecting seat fixedly connected with the connecting bracket, and the connecting seat is fixedly connected with the rotor component; the connecting bracket comprises a second rod piece which is fixedly connected with the connecting seat;

5. The guard of claim 4, wherein the first connection includes a slot and the second connection includes a pin that mates with the slot;

6. The shield apparatus according to claim 5, wherein the opening of the engaging groove is inclined with respect to the axial direction of the first rod toward the direction close to the first rod.

7. The guard of claim 4, wherein the first connection includes a first fastening hole, the second connection includes a second fastening hole that mates with the first fastening hole and a fastener that mates with the second fastening hole and the first fastening hole;

8. The shield apparatus of claim 4, wherein the first end of the second rod member is provided with a recessed portion, and the shaft is disposed within the recessed portion;

9. The protection device of claim 8, wherein the limiting portion is formed at an end portion of the movable portion away from the first rod and away from the connecting seat.

10. The protection device according to claim 9, wherein an end surface of the position-limiting portion faces away from the first rod member and is inclined with respect to an axial direction of the first rod member.

11. The shield device according to claim 10, wherein an angle of inclination of the end surface of the stopper portion with respect to the axial direction of the first pin is 1 ° to 2 °.

12. The protective device according to claim 4, wherein the first end of the second rod is provided with a groove portion, the rotating shaft is arranged in the groove portion, and a side wall of the groove portion is provided with a positioning hole;

13. The protection device as claimed in claim 12, wherein the positioning holes are disposed on the side walls of the recessed portion, and the elastic positioning portions are disposed on the end portions of the positioning members.

14. The shielding device according to claim 4, wherein the connecting bracket comprises at least two second rods arranged side by side, and the at least two second rods are connected with each other through a first connecting rod; the number of the first rod pieces corresponds to that of the second rod pieces, and the first rod pieces and the second rod pieces are connected in a one-to-one correspondence mode.

15. The shield apparatus of claim 3 wherein the first rod is a carbon fiber tube.

16. The protective device according to claim 3, wherein the first protective component comprises a connecting bracket and a connecting seat fixedly connected with the connecting bracket, and the connecting seat is fixedly connected with the rotor component; the connecting bracket comprises a second rod piece which is fixedly connected with the connecting seat;

17. Guard means according to claim 1 characterised in that the number of second guard assemblies corresponds to the number of first guard assemblies.

18. An unmanned aerial vehicle, comprising a fuselage, a horn, a rotor assembly, and the guard of any one of claims 1-17, the horn rotatably connected to the fuselage, the rotor assembly disposed on the horn, the guard of the first guard assembly detachably connected to the rotor assembly.

19. The drone of claim 18, wherein the drone includes a flight state and a stow state, the plurality of arms rotating to lie in the same plane when the drone is in the flight state; when unmanned aerial vehicle is in the state of accomodating the second protection component is in fold condition, just the horn rotate to fold in all sides of fuselage.

20. The drone of claim 19, wherein the second protective component is parallel to the horn when the drone is in the stowed state.

21. The drone of claim 18, further comprising a landing gear rotatably connected to a bottom of the fuselage.

22. The drone of claim 21, wherein the drone includes a flight state and a stowed state, the landing gear rotating to an inclined disposition with the fuselage when the drone is in the flight state; when unmanned aerial vehicle is in the state of accomodating, the undercarriage rotate to fold in the below of fuselage.

23. A drone according to claim 22, wherein the number of landing gears is two, symmetrically arranged at the bottom of the fuselage.