CN217994768U

CN217994768U - Foldable wing and tailstock type unmanned aerial vehicle

Info

Publication number: CN217994768U
Application number: CN202222096083.1U
Authority: CN
Inventors: 廖小罕; 万志强; 严德; 邱文威; 汤安琪; 熊大伟; 谭翔; 叶虎平; 岳焕印; 刘贺轩
Original assignee: Beihang University; Institute of Geographic Sciences and Natural Resources of CAS
Current assignee: Beihang University; Institute of Geographic Sciences and Natural Resources of CAS
Priority date: 2022-08-10
Filing date: 2022-08-10
Publication date: 2022-12-09
Anticipated expiration: 2032-08-10

Abstract

The utility model relates to a folded cascade wing and tailstock formula unmanned aerial vehicle, including interior wing and outer wing, rotate through the folding device between the one end of interior wing and the one end of outer wing and connect and fix a position. The beneficial effects of the utility model are that simple structure, reasonable in design, the folded cascade structure is designed into to the wing, and occupation space is little, conveniently stores and transports.

Description

Foldable wing and tailstock type unmanned aerial vehicle

Technical Field

The utility model relates to an unmanned air vehicle technique field, concretely relates to folded cascade wing and tailstock formula unmanned aerial vehicle.

Background

An unmanned aircraft, abbreviated as "drone", and abbreviated in english as "UAV", is an unmanned aircraft that is operated by a radio remote control device and a self-contained program control device, or is operated autonomously, either fully or intermittently, by an onboard computer.

Unmanned aerial vehicles can be classified into military and civil applications according to the application field. For military use, unmanned aerial vehicles divide into reconnaissance aircraft and target drone. In the civil aspect, the unmanned aerial vehicle + the industry application is really just needed by the unmanned aerial vehicle; the unmanned aerial vehicle is applied to the fields of aerial photography, agriculture, plant protection, miniature self-timer, express transportation, disaster relief, wild animal observation, infectious disease monitoring, surveying and mapping, news reporting, power inspection, disaster relief, film and television shooting, romantic manufacturing and the like, the application of the unmanned aerial vehicle is greatly expanded, and developed countries actively expand the industrial application and develop the unmanned aerial vehicle technology.

Currently, a flight platform which is less dependent on a take-off and landing environment is mainly a multi-rotor unmanned aerial vehicle and a composite wing unmanned aerial vehicle with a rotor wing and a fixed wing, and has the defects of low energy efficiency, poor aerodynamic performance and the like; the design advantage that tail seat formula unmanned aerial vehicle had many rotors and fixed wing unmanned aerial vehicle concurrently, both can VTOL, but the flat flight of the fixed wing state of commentaries on classics again. However, the fixed wing has a larger unfolding wingspan and higher requirements on a vertical take-off and landing site, so that the design of foldable wings and hinge structures thereof is urgently needed to reduce the flying requirements.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a folded cascade wing and tailstock formula unmanned aerial vehicle is provided, aim at solving the problem among the prior art.

The utility model provides an above-mentioned technical problem's technical scheme as follows:

a foldable wing comprises an inner wing and an outer wing, wherein one end of the inner wing and one end of the outer wing are rotatably connected and positioned through a folding device.

The utility model has the advantages that: when the wing folding type aircraft is used, the inner wing and the outer wing rotate to the same horizontal line to be unfolded for use, or rotate to be folded together, so that the space is saved, and the wing folding type aircraft is convenient to store and transport. The utility model discloses simple structure, reasonable in design, folded cascade structure is designed into to the wing, and occupation space is little, conveniently stores and transports.

On the basis of the technical scheme, the utility model discloses can also do following improvement.

Furthermore, the folding device comprises two fixers, the two fixers are respectively and fixedly arranged at one end of the inner wing and one end of the outer wing, and one side of the two fixers is rotatably connected; the inner wing and the outer wing can rotate to the same plane, so that the two fixing devices are mutually attached and positioned through the lock catch.

The further scheme has the beneficial effects that when the wing fixing device is used, the inner wing and the outer wing rotate to the same plane and are fixed through the lock catch to be unfolded for use, and at the moment, the two fixing devices are mutually attached; or the inner wing and the outer wing rotate to be folded together, so that the space is saved, and the storage and the transportation are convenient.

Furthermore, reinforcing plates are respectively and fixedly installed between one end of the inner wing and one end of the outer wing and the two fixers.

The beneficial effects of adopting above-mentioned further scheme are that simple structure, reasonable in design can increase the intensity that interior wing and outer wing are connected through two reinforcing plates, guarantees the intensity of whole wing.

Furthermore, the other side of one end of each of the two fixing devices is of an arc-shaped structure matched with the surface shapes of the inner wing and the outer wing.

The beneficial effects of adopting the further scheme are that simple structure, reasonable in design, the appearance of two fixers and the appearance phase-match of wing, neat pleasing to the eye.

Furthermore, the lock catch comprises a fixing plate, and two ends of the fixing plate can be detachably connected with the inner wing and the outer wing respectively when the inner wing and the outer wing rotate to the same plane.

The further scheme has the beneficial effects that when the wing fixing device is used, the inner wing and the outer wing rotate to the same plane and are fixed through the fixing plate to be unfolded for use, and at the moment, the two fixing devices are mutually attached; or the fixing plate is detached firstly, and then the inner wing and the outer wing rotate to be folded together, so that the space is saved, and the storage and the transportation are convenient.

Furthermore, a lug is fixedly arranged at one end of the inner wing, a through hole is formed in one end of the fixing plate, and the lug can extend into the through hole; the other end of the fixing plate is detachably connected with one end of the outer wing through a bolt.

The further scheme has the beneficial effects that when the fixing device is used, the inner wing and the outer wing rotate to the same plane, then the fixing plate is placed at one end of the inner wing and one end of the outer wing, the lug is inserted into the through hole, the other end of the fixing plate is connected with the outer wing through the bolt to be unfolded for use, and at the moment, the two fixing devices are mutually attached; or the fixing plate is detached firstly, and then the inner wing and the outer wing rotate to be folded together, so that the space is saved, and the storage and the transportation are convenient.

And furthermore, avoidance grooves for avoiding the fixed plates are formed in the other sides of the two fixing devices.

The beneficial effects of adopting above-mentioned further scheme are simple structure, reasonable in design can dodge the fixed plate through dodging the groove during installation, further saves space.

Furthermore, at least one through opening is respectively arranged on the two fixers.

The beneficial effects of adopting above-mentioned further scheme are that simple structure, reasonable in design can alleviate the holistic weight of fixer to alleviate whole unmanned aerial vehicle's weight, be favorable to unmanned aerial vehicle's flight.

Further, a plurality of openings are respectively arranged on the two fixing devices.

The beneficial effect who adopts above-mentioned further scheme is simple structure, reasonable in design, has both alleviateed whole unmanned aerial vehicle's weight to a certain extent, can guarantee the intensity of fixer again, is favorable to unmanned aerial vehicle's flight.

The utility model discloses still relate to a tailstock formula unmanned aerial vehicle, include as above the wing.

The beneficial effect who adopts above-mentioned further scheme is that this scheme provides simple structure, reasonable in design's unmanned aerial vehicle, and the wing designs into folded cascade structure, and occupation space is little, conveniently stores and transports.

Drawings

Fig. 1 is one of the schematic structural diagrams of the present invention;

FIG. 2 is a second schematic view of the present invention;

fig. 3 is a third schematic structural diagram of the present invention;

FIG. 4 is a fourth schematic structural diagram of the present invention;

FIG. 5 is a fifth schematic view of the present invention;

fig. 6 is a schematic structural view of the middle wing of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1. an inner wing; 2. an outer wing; 3. a holder; 4. a reinforcing plate; 5. a fixing plate; 6. a bump; 7. an avoidance groove; 8. and (4) opening.

Detailed Description

It should be noted that, in the case of no conflict, the embodiments and features of the embodiments of the present invention may be combined with each other.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for 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 therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected" and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

Example 1

As shown in fig. 1 to 6, the present embodiment provides a foldable wing, which includes an inner wing 1 and an outer wing 2, wherein one end of the inner wing 1 and one end of the outer wing 2 are rotatably connected and positioned by a folding device.

When the foldable wing is used, the inner wing 1 and the outer wing 2 rotate to the same plane to be unfolded for use or rotate to be folded together, so that the space is saved, and the foldable wing is convenient to store and transport.

Preferably, in the present embodiment, the inner wing 1 has a structure with one narrow end and the other wide end.

In addition, the outer wing 2 has a structure with a narrow end and a wide end, and the size of the wide end is equal to that of the narrow end of the inner wing 1.

During the application, interior wing 1 is located one side of unmanned aerial vehicle organism, and its other end and unmanned aerial vehicle organism fixed connection.

This embodiment simple structure, reasonable in design, the wing designs into folded cascade structure, and occupation space is little, conveniently stores and transports.

Example 2

On the basis of the embodiment 1, in the embodiment, the folding device comprises two fixers 3, wherein the two fixers 3 are respectively and fixedly installed on one end of the inner wing 1 and one end of the outer wing 2, and one side of the two fixers is rotatably connected; the inner wing 1 and the outer wing 2 can be rotated to the same plane, so that the two fixers 3 are mutually attached and positioned through the lock catch.

When the device is used, the inner wing 1 and the outer wing 2 rotate to the same plane and are fixed through the lock catch to be unfolded for use, and at the moment, the two fixers 3 are mutually attached; or the inner wing 1 and the outer wing 2 rotate to be folded together, so that the space is saved, and the storage and the transportation are convenient.

Preferably, in the present embodiment, the two retainers 3 are preferably plate-shaped structures, and are respectively fixedly mounted on one end of the inner wing 1 and one end of the outer wing 2.

In addition, the parts of one side of the two fixing devices 3 close to the two ends of the fixing devices are respectively and oppositely provided with a convex block, and the two opposite convex blocks are respectively and rotationally connected through a rotating shaft.

Besides the above embodiments, the folding device may also adopt other structures, such as one end of the inner wing 1 and one end of the outer wing 2 are directly connected by hinges in a rotating manner and fixed by a lock catch.

Example 3

On the basis of the embodiment 2, in the embodiment, the reinforcing plates 4 are respectively fixedly installed between one end of the inner wing 1 and one end of the outer wing 2 and the two retainers 3.

This scheme simple structure, reasonable in design, through the intensity that two reinforcing plates 4 multiplicable interior wing 1 and outer wing 2 are connected, guarantee the intensity of whole wing.

Preferably, in this embodiment, two reinforcing plates 4 are respectively fixed to one end surface of the inner wing 1 and one end surface of the outer wing 2, and two fasteners 3 are respectively fixed to the two fasteners 3.

In addition, be equipped with the opening that runs through on two reinforcing plates 4, lighten reinforcing plate 4's weight to alleviate whole unmanned aerial vehicle's weight to a certain extent, be favorable to unmanned aerial vehicle's flight.

Moreover, the dimensions of the two reinforcing plates 4 are smaller than those of the two holders 3, saving material.

In addition to the above embodiments, the two anchors 3 may be directly fixed to one end of the inner wing 1 and one end face of the outer wing 2.

Example 4

On the basis of any one of embodiments 2 to 3, in this embodiment, the other side of one end of each of the two fasteners 3 is an arc-shaped structure matching the surface shape of the inner wing 1 and the outer wing 2.

The scheme has the advantages of simple structure and reasonable design, and the appearance of the two fixing devices 3 is matched with that of the wings, so that the fixing device is neat and attractive.

It should be noted that after the inner wing 1 and the outer wing 2 are unfolded, one side of each of the two fasteners 3 corresponds to the lower surface of the inner wing 1 and the lower surface of the outer wing 2, and the other side corresponds to the upper surface of the inner wing 1 and the upper surface of the outer wing 2.

In addition, one end of the two holders 3 refers to its end close to the nose of the drone.

Example 5

On the basis of any one of embodiments 2 to 4, in this embodiment, the lock catch includes a fixing plate 5, and both ends of the fixing plate 5 can be detachably connected to the inner wing 1 and the outer wing 2 respectively when the inner wing 1 and the outer wing 2 rotate to the same plane.

When the wing is used, the inner wing 1 and the outer wing 2 rotate to the same plane and are fixed through the fixing plate 5 to be unfolded for use, and at the moment, the two fixing devices 3 are mutually attached; or the fixing plate 5 is detached firstly, and then the inner wing 1 and the outer wing 2 are rotated to be folded together, so that the space is saved, and the storage and the transportation are convenient.

Besides the above embodiments, the lock catch may also adopt other manners, for example, positioning plates are respectively and fixedly mounted on one end of the inner wing 1 and one end of the outer wing 2, when the inner wing 1 and the outer wing 2 rotate to the same plane, the two positioning plates are respectively located on the upper surfaces of the inner wing 1 and the outer wing 2 and are attached to each other, at this time, the two positioning plates can be fixedly connected by bolts, and screw holes matched with the bolts are formed in the two positioning plates.

Example 6

On the basis of the embodiment 5, in the embodiment, a bump 6 is fixedly installed at one end of the inner wing 1, a through hole is formed at one end of the fixing plate 5, and the bump 6 can extend into the through hole; the other end of the fixed plate 5 is detachably connected with one end of the outer wing 2 through a bolt.

When the fixing device is used, the inner wing 1 and the outer wing 2 rotate to the same plane, then the fixing plate 5 is placed at one end of the inner wing 1 and the outer wing 2, the lug 6 is inserted into the through hole, the other end of the fixing plate 5 is connected with the outer wing 2 through a bolt to be unfolded for use, and at the moment, the two fixing devices 3 are attached to each other; or the fixing plate 5 is detached firstly, and then the inner wing 1 and the outer wing 2 are rotated to be folded together, so that the space is saved, and the storage and the transportation are convenient.

Preferably, in this embodiment, the protrusion 6 may be fixed at a position corresponding to an upper surface of the inner wing 1, or may be fixed at a position corresponding to an upper surface of the outer wing 2.

In addition to the above embodiments, both ends of the fixing plate 5 may be connected to the inner wing 1 and the outer wing 2 by bolts when the inner wing 1 and the outer wing 2 are unfolded, respectively.

It should be noted that the size of the through hole on one end of the fixing plate 5 is equal to the size of the bump 6, that is, the bump 6 is tightly attached to the wall of the through hole when inserted into the through hole, so as to ensure the stability of the installation of the fixing plate 5.

Example 7

In the present embodiment, on the other side of the two fixtures 3, the avoidance grooves 7 for avoiding the fixing plate 5 are provided in addition to any one of embodiments 5 to 6, and the two avoidance grooves 7 are formed by recessing corresponding portions on the other side of the two fixtures 3, respectively.

This scheme simple structure, reasonable in design can dodge fixed plate 5 through dodging groove 7 during the installation, further saves space.

Preferably, in the present embodiment, two avoidance grooves 7 of the avoidance fixing plate 5 are also oppositely provided on the corresponding sides of the two reinforcing plates 4.

Example 8

In addition to the above embodiments, in the present embodiment, at least one through opening 8 is provided on each of the two retainers 3.

This scheme simple structure, reasonable in design can alleviate 3 holistic weights of fixer to alleviate whole unmanned aerial vehicle's weight, be favorable to unmanned aerial vehicle's flight.

Example 9

In addition to embodiment 8, in this embodiment, a plurality of openings 8 are provided in each of the two retainers 3.

This scheme simple structure, reasonable in design has both alleviateed whole unmanned aerial vehicle's weight to a certain extent, can guarantee the intensity of fixer 3 again, is favorable to unmanned aerial vehicle's flight.

Preferably, in this embodiment, each of the retainers 3 is provided with three openings 8, and the three openings 8 are located at two ends and a middle portion of the corresponding retainer 3.

In addition, the three openings 8 in each retainer 3 may be identical in shape and size or may be different.

Moreover, each reinforcing plate 4 is positioned in the middle of the corresponding fixer 3, and the opening on the reinforcing plate is consistent with the shape of the opening 8 positioned in the middle of the corresponding fixer 3, so that the reinforcing plate is tidy and beautiful.

Example 10

On the basis of the above embodiments, the present embodiment further provides a tailstock type unmanned aerial vehicle, including the wing as described above.

This scheme provides simple structure, reasonable in design's unmanned aerial vehicle, and the wing designs into folded cascade structure, and occupation space is little, conveniently stores and transports.

The unmanned aerial vehicle protected in the embodiment mainly refers to a tailstock type unmanned aerial vehicle, the tailstock type unmanned aerial vehicle belongs to a vertical take-off and landing fixed wing, and a folding mechanism is added on the wing of the tailstock type unmanned aerial vehicle, so that the wingspan of the tailstock type unmanned aerial vehicle in a recovery state is reduced, the requirement on the size of a take-off and landing area is reduced, and the multi-environment adaptability is improved; other suitable drones are also possible.

The utility model discloses a theory of operation as follows:

The utility model discloses simple structure, reasonable in design, folded cascade structure is designed into to the wing, and occupation space is little, conveniently stores and transports.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. A foldable wing, characterized in that: the wing structure comprises an inner wing (1) and an outer wing (2), wherein one end of the inner wing (1) is rotatably connected with one end of the outer wing (2) through a folding device and is positioned.

2. Foldable wing according to claim 1, characterized in that: the folding device comprises two fixing devices (3), the two fixing devices (3) are respectively fixedly arranged at one end of the inner wing (1) and one end of the outer wing (2), and one side of the two fixing devices is rotatably connected; the inner wing (1) and the outer wing (2) can rotate to the same plane to enable the two fixing devices (3) to be mutually attached and positioned through lock catches.

3. Foldable wing according to claim 2, characterized in that: reinforcing plates (4) are respectively and fixedly arranged between one end of the inner wing (1) and one end of the outer wing (2) and the two fixers (3).

4. Foldable wing according to claim 2, characterized in that: the other side of one end of each of the two fixing devices (3) is of an arc structure matched with the surface shapes of the inner wing (1) and the outer wing (2).

5. Foldable wing according to any one of claims 2 to 4, characterized in that: the lock catch comprises a fixing plate (5), and two ends of the fixing plate (5) can be detachably connected with the inner wing (1) and the outer wing (2) respectively when the inner wing (1) and the outer wing (2) rotate to the same plane.

6. Foldable wing according to claim 5, characterized in that: a lug (6) is fixedly installed at one end of the inner wing (1), a through hole which penetrates through the fixing plate (5) is formed in one end of the fixing plate, and the lug (6) can extend into the through hole; the other end of the fixing plate (5) is detachably connected with one end of the outer wing (2) through a bolt.

7. Foldable wing according to claim 5, characterized in that: and an avoidance groove (7) for avoiding the fixing plate (5) is arranged on the other side of the two fixing devices (3).

8. Foldable wing according to any one of claims 2 to 4, characterized in that: at least one through opening (8) is respectively arranged on the two fixers (3).

9. Foldable wing according to claim 8, characterized in that: a plurality of openings (8) are respectively arranged on the two fixers (3).

10. The utility model provides a tailstock formula unmanned aerial vehicle which characterized in that: comprising an airfoil as claimed in any of claims 1 to 9.