KR20200032997A - Folding unmanned aerial vehicles - Google Patents

Abstract

The present invention relates to a folding unmanned aerial vehicle, and more specifically, to a folding unmanned aerial vehicle, which is implemented to fold a joint portion so as to prevent a part of the unmanned aerial vehicle including a horizontally unfolded wing from being hung on other objects or contaminated by contaminants when the unmanned aerial vehicle is positioned in a narrow space or a site in which surroundings are contaminated by water, mud and waste, thereby preventing a wing assembly including a motor, a motor mount and the wing from coming in contact with the ground or being contaminated by the contaminants and minimizing the volume to easily perform storage.

Description

Foldable Unmanned Aircraft {FOLDING UNMANNED AERIAL VEHICLES}

The present invention relates to a foldable unmanned aerial vehicle, more specifically, when the unmanned aerial vehicle is located in a narrow space or a place contaminated with water, mud, garbage, etc., some of the unmanned aerial vehicle including horizontally spread wings is different. Prevents the assembly of the wing, including the motor, motor mount, and wing, from contacting the ground or being contaminated by contaminants by minimizing the volume, by implementing so that the joints can be folded so that they do not get caught on objects or be contaminated with contaminants. The present invention relates to a foldable drone that can be easily performed.

An unmanned aerial vehicle, commonly referred to as a drone, is an aircraft that can be controlled by radio waves through remote control or automatic control without a pilot on board, and is equipped with various electronic devices such as cameras, sensors, ultrasonic equipment, and communication systems. have.

The unmanned aerial vehicle was initially manufactured and used for military use, but recently it has been widely used for a variety of purposes such as aerial photography, product delivery, pesticide spraying, air quality measurement, forest fire monitoring and evolution, communication, disaster environment response, research and development, This is an era in which individuals can purchase casually.

On the other hand, due to the aging of rural areas, the population of rural areas has decreased, resulting in a shortage of manpower, and mechanization work is actively taking place to replace the insufficient people in rural areas.

As part of this mechanization of agriculture, a device for spraying pesticides or fertilizers on an unmanned air vehicle without a person directly spraying pesticides or fertilizers is installed to eliminate the insufficient hand.

However, when using an unmanned aerial vehicle for agricultural purposes, it is often used in areas where contaminants such as pesticides, stagnant water, and mud exist due to the nature of the agricultural area, so the unmanned aerial vehicle used for the operation is contaminated with water, mud, garbage When it is located in a confined place or a narrow space, frequent occurrence of wet wings or contaminants sticking to the wide open wings, and if the unmanned air vehicle is not properly managed, wet or contaminant stuck parts will rust. There was a problem in that the lifespan was shortened because it was dirty or dirty.

In addition, in the case of the existing unmanned air vehicle, when the joint is folded down, the motor, motor mount, and wings come into contact with the floor, and there are many foreign substances such as sand and dust, and accordingly, there is a high risk of damage.

Therefore, in the present invention, when the unmanned aerial vehicle is implemented by folding, when the unmanned aerial vehicle is not operated, the arm supporting the wing of the unmanned aerial vehicle is folded up and stored, and when the unmanned aerial vehicle is operated, the arm is unfolded and used to unfold the unmanned aerial vehicle. In the case where is located in a confined space or a confined space, it is intended to provide a method to protect the motor, motor mount, and wings, and to minimize the volume of the unmanned air vehicle to facilitate storage.

Next, the prior art existing in the technical field of the present invention will be briefly described, and then the technical matters to be differentiated from the above prior art will be described.

First, Korean Patent No. 1857140 (2018.06.19.) Relates to a foldable drone, which includes a housing, a top plate provided on the upper portion of the housing, and a fixing plate connected to the top plate, wherein the top plate is provided with a guide slot, The one side of the fixed plate facing the top plate is provided with a guide that moves along the guide slot, so that the wing assembly can be folded to reduce the volume, and can be carried in a storage box.

However, according to the present invention, when the unmanned aerial vehicle is not used, the arm supporting the wing of the unmanned aerial vehicle is folded up and lifted, and when the unmanned aerial vehicle is operated, the folded arm is horizontally used, so that the unmanned aerial vehicle is confined to a narrow space or a contaminated place. When located in the motor, the motor mount, as well as protecting the wing, as it presents a technical configuration that can be easily carried out storage by minimizing the volume of the unmanned vehicle, folding according to the rotation of the wing support of the prior art The differences in technical characteristics are clear when compared to the technical composition of the method.

In addition, Korean Registered Patent No. 1866191 (2018.06.11.) Relates to a portable folding drone, which is formed from an upper member, a lower member spaced apart from the upper member in a vertical direction, and an upper member, and has a bent portion to fold in a vertical direction. The arm guide which opens or closes, slides along the arm guide, the propeller support on which the propeller is installed, one end is connected to the upper member, the other end is connected to the propeller support, and the joint member and one end folded or unfolded in the vertical direction are provided to the arm guide. It is technically characterized by including a link member that is rotatably connected and the other end is rotatably connected to the lower member.

However, when the unmanned aerial vehicle is not in operation, the arms supporting the wing of the unmanned aerial vehicle are folded up and stored, and when operating the unmanned aerial vehicle, the arm is unfolded and used to locate the unmanned aerial vehicle in a confined space or contaminated location. In case the technical configuration of the present invention to prevent the wings from contacting the ground or being contaminated by contaminants such as water, mud, and garbage, the umbrella structure and ball lock pins are used to fold or unfold all propellers at once. It is different from the technical configuration of the prior art.

That is, the above prior arts suggest a configuration in which the wing assembly is folded to reduce the volume and can be carried in a storage box, and a configuration in which the propeller is fully folded and unfolded is secured, but the technical feature of the present invention is unmanned when the unmanned vehicle is not used. Fold and lift the arm assembly supporting the motor, motor mount, and wing of the aircraft, and use the folded arm assembly horizontally when operating the unmanned air vehicle, so that the motor, motor mount, and wings touch the ground or are contaminated by contaminants The technical difference is obvious because there is no specific description of the configuration to prevent this.

The present invention was created to solve the above problems, and implemented as a structure that can fold the wing portion of the unmanned vehicle to fold the wing when the unmanned vehicle is located in a confined space or a contaminated motor, motor mount, It is an object of the present invention to provide a foldable unmanned air vehicle that can prevent the wings from being damaged or contaminated by contaminants such as water, mud, and garbage, and minimize the volume of the unmanned air vehicle.

In addition, according to the present invention, when the unmanned aerial vehicle is not operated, the arm assembly supporting the motor, motor mount, and wing of the unmanned aerial vehicle is folded up and stored, and when the unmanned aerial vehicle is operated, the arm assembly is horizontally extended and used, Another object of the present invention is to provide a foldable unmanned aerial vehicle that can protect the motor, the motor mount, and the wing when the unmanned aerial vehicle is located in a narrow space or a contaminated space, and minimizes the volume of the unmanned aerial vehicle to facilitate storage.

The foldable unmanned aerial vehicle according to an embodiment of the present invention is combined with the housing of the unmanned aerial vehicle, and the arm assembly supporting the wing assembly including the motor, the motor mount, and the wing can be folded vertically and lifted upward or unfolded in the horizontal direction. The upper and the front so that the coupling body is open, coupled to the coupling body so as to be able to rotate up and down, an arm coupling portion fixedly coupled to one side of the arm assembly, and formed on one side of the coupling body, the coupling body It characterized in that it comprises a fixing portion for fixing the circumference of the arm assembly in the horizontal direction.

In addition, when the unmanned air vehicle is not operated, the arm assembly is fixed by being inserted into a groove formed on the side of the housing while being lifted and folded vertically through the upper portion of the coupling body, and when the unmanned air vehicle is operated , It is characterized in that it spreads in the horizontal direction while passing through the side from the top of the coupling body.

In addition, the coupling body, at least one formed on each of the upper surface and the lower surface of both sides of the coupling body, the fastening groove to be fixedly coupled to the housing of the unmanned vehicle, the corresponding position of each of both sides of the coupling body It is formed on, the coupling hole for connecting the arm coupling portion so that it can be rotated up and down in the coupling body, and formed by integrally connecting both sides of the coupling body, the arm when the arm assembly is unfolded in the horizontal direction It characterized in that it comprises a first support for supporting the lower surface of the assembly.

In addition, the coupling body is formed to protrude on the lower side of one side of the coupling body, it is characterized in that it further comprises a coupling protrusion that is fixedly fitted with a coupling ring provided in the fixing portion.

In addition, the first support is characterized in that it is formed in accordance with the outer shape of the arm assembly so as to be in close contact with the lower surface of the arm assembly when the arm assembly is extended in the horizontal direction.

In addition, the arm coupling portion is formed in a hollow shape, a pivoting portion coupled between coupling holes formed in the coupling body so as to be able to rotate up and down around the coupling body, and is formed integrally extending from the rotation portion, and is open It characterized in that it comprises a coupling groove that is coupled to one side of the arm assembly is inserted into the upper portion.

In addition, the arm coupling portion is formed on the outside of the coupling groove, and further comprising a tightening portion for adjusting the inner diameter of the coupling groove on the basis of the operation of the tightening screw to adjust the tightening degree of the arm assembly and the coupling groove It is characterized by.

In addition, the fixing part, when fixing the circumference of the arm assembly extended in the horizontal direction from the coupling body, is formed in a form that can be rotated to the second support to support the upper surface of the arm assembly, and the end of the fixing part, It characterized in that it comprises a coupling ring fixedly fitted to the coupling protrusion formed on the coupling body.

In addition, the second support, when the arm assembly is extended in the horizontal direction and then when the coupling ring of the fixing portion is coupled to the coupling protrusion of the coupling body, the arm assembly can be in close contact with surrounding the upper surface of the arm assembly It is characterized by being formed according to the outer shape of.

According to the folding unmanned aerial vehicle of the present invention as described above, when the unmanned aerial vehicle is not operated, the arm assembly supporting the wing assembly including the motor, motor mount, and wing of the unmanned aerial vehicle is folded and stored, and when the unmanned aerial vehicle is operated When the unmanned aerial vehicle is located in a contaminated place, the wing assembly portion including the motor, motor mount, and wings of the unmanned aerial vehicle is wet or rusted or mud when the unmanned aerial vehicle is located in a contaminated place so that the arm assembly can be used to unfold the horizontally. It is prevented from being shortened due to contamination by contaminants such as or garbage, and it is possible to prevent the wing assembly from being damaged by contact with the ground.

In addition, when the unmanned aerial vehicle is located in a narrow space, a part of the unmanned aerial vehicle, including the wing, can be prevented from interfering with the movement of nearby objects or people, and it is possible to easily perform storage by minimizing the volume of the unmanned aerial vehicle. There is.

1 and 2 are views showing a folded state and an unfolded state of an arm assembly equipped with a wing assembly including a motor, a motor mount, and a wing of a foldable unmanned aerial vehicle according to an embodiment of the present invention, respectively.
3 is a view for explaining the combination of the folding assembly and the housing of the folding unmanned aerial vehicle according to an embodiment of the present invention.
4 to 6 are views showing the structure of the folding assembly of FIGS. 1 and 2 in more detail.
7 is a flow chart showing in detail the folding assembly of the folding unmanned aerial vehicle according to an embodiment of the present invention.
8 is a flow chart showing in detail the folding process of the folding unmanned aerial vehicle according to an embodiment of the present invention.
9 is a view for sequentially explaining the folding process of the folding unmanned aerial vehicle according to an embodiment of the present invention.

Hereinafter, exemplary embodiments of the foldable unmanned aerial vehicle of the present invention will be described in detail with reference to the accompanying drawings. The same reference numerals in each drawing denote the same members. In addition, specific structural or functional descriptions of the embodiments of the present invention are exemplified for the purpose of describing the embodiments according to the present invention, and unless defined otherwise, all terms used herein, including technical or scientific terms. These have the same meaning as those generally understood by those of ordinary skill in the art. Terms, such as those defined in a commonly used dictionary, should be interpreted as having meanings consistent with meanings in the context of related technologies, and should not be interpreted as ideal or excessively formal meanings unless explicitly defined herein. It is desirable not to.

1 and 2 are views showing a folded state and an unfolded state of an arm assembly equipped with a wing assembly including a motor, a motor mount, and a wing of a foldable unmanned aerial vehicle according to an embodiment of the present invention, and FIG. 3 is a view of the present invention It is a view for explaining the combination of the folding assembly and the housing of the folding unmanned aerial vehicle according to an embodiment of the.

1 to 3, the folding unmanned aerial vehicle of the present invention includes a folding assembly 100, a plurality of arm assemblies 200, a motor, a motor mount, a wing assembly 300 including a wing, and a housing 400 And the like.

In addition, although the foldable unmanned aerial vehicle is not shown in the drawings, a power supply unit for supplying operating power to each component, a flight control device for controlling the flight of the unmanned aerial vehicle, a storage box containing pesticides or fertilizers when the unmanned aerial vehicle is used for agriculture, storage It may further include pesticides and fertilizer spraying devices for spraying pesticides or fertilizers stored in, leg parts for supporting unmanned vehicles.

When the unmanned aerial vehicle does not perform the operation, the folding assembly 100 folds the arm assembly 200 supporting the wing assembly 300 and lifts it up, and when performing the operation, the arm assembly 200 is horizontal As implemented to expand, the upper and lower portions of the folding assembly 100 are fixedly coupled within the housing 400, and one side of the arm assembly 200 is vertically spaced in the inner space of the folding assembly 100. It is combined to be able to rotate.

That is, the folding assembly 100 lifts the arm assembly 200 coupled to the inner space of the folding assembly 100 in the vertical direction as shown in FIG. 1 based on whether or not the unmanned vehicle is working, or folds, or As in 2, it is to be used in a horizontal direction.

At this time, when the arm assembly 200 is lifted and folded vertically through the upper portion of the folding assembly 100, because the arm assembly 200 is fitted into the groove 410 formed in the housing 400 It can maintain a stable state in a vertically folded state. Moreover, when the arm assembly 200 is vertically folded, as shown in FIG. 1, the wing assembly 300 mounted on the arm assembly 200 becomes a structure positioned in an upper inner direction of the housing 400. Therefore, it is possible to maintain a stable state.

In addition, after the arm assembly 200 is unfolded in the horizontal direction through one side of the folding assembly 100 as shown in FIGS. 2 and 3, the arm assembly 200 is tightly coupled by a fixing part. Because it can maintain the state, there is no safety problem when flying an unmanned aerial vehicle.

Accordingly, when the unmanned aerial vehicle finished work is located in a place contaminated by stagnant water, mud, pesticides, etc., as shown in FIG. 1, the arm assembly 200 coupled to the folding assembly 100 is folded to be vertically lifted. When raised, a part of the unmanned aerial vehicle, including the wings spread horizontally, is prevented from being caught by other objects or being soiled by various contaminants.

In addition, when the arm assembly 200 folded to the folding assembly 100 is lifted, the volume is minimized, so storage is very easy.

To this end, in the present invention, when the folding assembly 100 is manufactured, the upper and front surfaces are manufactured in an open shape so that the arm assembly 200 is vertically lifted or horizontally expanded, and the arm assembly ( 200) is manufactured in a form that can be rotated in the vertical direction of the fixed portion coupled to one side. At this time, the structure of the folding assembly 100 will be described in more detail in FIGS. 4 to 6 below.

The wing assembly 300 is coupled to the upper side of the arm assembly 200, and the other side is coupled to be rotatable to the folding assembly 100.

At this time, when the unmanned aerial vehicle is not operated, the arm assembly 200 lifts and folds vertically through the open upper portion of the folding assembly 100 to the groove 410 formed on the side surface of the housing 400. It is fitted and fixed, and when the unmanned aerial vehicle is operated, it unfolds in a horizontal direction while passing through the front side from the open top of the folding assembly 100.

In addition, the arm assembly 200 is generally formed in an empty hollow shape in order to reduce the weight of the unmanned air vehicle and to store the power cable for electrical connection with the wing assembly 300. In order to be less affected by, it is preferable to form the outer shape in a cylindrical shape.

The wing assembly 300 is rotatably installed on the upper side of one side of the arm assembly 200, and may be folded and stored as shown in FIG. 1 when the unmanned aerial vehicle is not performing the operation.

The housing 400 is a flight control device for collectively controlling the flight of an unmanned aerial vehicle, a remote control center or a control device held by a user, and a communication device for performing wireless communication related to flight control signals, sensing information, and shooting information. It is provided with a space in which various components of the housing are accommodated, and a plurality of grooves 410 are formed at predetermined intervals on the outside.

At this time, the groove 410 is fitted when the arm assembly 200, which is coupled to be rotatable to the folding assembly 100, is folded in the vertical direction to maintain a stable state.

On the other hand, in the present invention, the arm assembly 200 that is coupled to be able to rotate up and down in the folding assembly 100 is manually described by using a user manually lifting and folding it in a vertical direction or spreading it in a horizontal direction. It is not limited to this, and it is revealed that the foldable structure can be fully automated and implemented so that all the arm assemblies 200 can be simultaneously folded or unfolded by a simple operation of the user.

For example, actuators, gears, etc. are used to connect each arm assembly 200 to which the wing assembly 300 is mounted, and actuators, gears based on control commands of the flight control device provided in the housing 400. By driving the back so that the arm assembly 200 can be lifted vertically or unfolded in the horizontal direction, the folding structure may be fully automated.

In addition, by utilizing the link structure of the umbrella, as when unfolding and folding the umbrella, one handle is formed in the center, and each arm 200 equipped with the handle and the wing assembly 300 is connected through the link structure. Then, when the handle is pulled, the structure connected to the arm assembly 200 is pulled, and all the arm assemblies 200 are lifted in the vertical direction. On the contrary, when the handle is pressed, the structure connected to the arm assembly 200 is unfolded. All arm assemblies 200 may be unfolded in the horizontal direction. In this case, the structure in which the arm assembly 200 is unfolded or folded may be configured as opposed to the above description.

Next, a detailed structure of the folding assembly 100 applied to the present invention will be described in more detail with reference to FIGS. 4 to 6.

4 to 6 are views showing the structure of the folding assembly 100 of FIGS. 1 and 2 in more detail.

3 to 6, the folding assembly 100 is composed of a coupling body 110, an arm coupling portion 120, a fixing portion 130, and the like.

The coupling body 110 is a part constituting the frame of the folding assembly 100, is coupled to the housing 400 provided in the center of the unmanned aerial vehicle, the upper and front surfaces are open to support the wing assembly 300 The arm assembly 200 to be folded in the vertical direction is lifted upward or can be extended in the horizontal direction.

At this time, the coupling body 110 may be made by combining each side, front, and rear separately, and then screwing or the like, or manufactured by a single mold to be integrally formed.

In addition, the coupling body 110 may include a fastening groove 111, a coupling hole 112, a first support 113, a coupling protrusion 114, and the like.

The fastening groove 111 is formed on at least one of each of the upper and lower surfaces of both sides of the coupling body 110, as shown in Figures 1 to 3, including a screw, a bolt or a combination thereof It is fixedly coupled to the housing 400 provided in the center of the unmanned aerial vehicle.

That is, the upper and lower portions of the folding assembly 100 are fixed and coupled in the housing 400 through the fastening groove 110.

The coupling hole 112 is formed on the upper side of both sides of the coupling body 110, the arm coupling portion 120 is a portion for connecting so that it can be rotated up and down in the coupling body (110).

That is, the coupling hole 112 is formed at corresponding positions of both sides of the coupling body 110 so that the female coupling portion 120 is coupled between the coupling hole 112 through screws, pins, and the like. By doing so, the arm assembly 200 may be folded up in the vertical direction or raised in the horizontal direction by the vertical rotation of the arm coupling portion 120.

The first support 113 is formed by integrally connecting both sides of the coupling body 110 to the open space of the front of the coupling body 110, and when the arm assembly 200 is unfolded in the horizontal direction It serves to support the lower surface of the arm assembly 200.

In this case, when the arm assembly 200 is unfolded in the horizontal direction for flight, the first support 113 surrounds the lower surface of the arm assembly 200 so as to be in close contact with the outside of the arm assembly 200. It is preferable to form according to the shape.

The engaging projection 114 is formed to protrude from one side of the lower side of the engaging body 110, that is, the fixing portion 130 and the first support 113 is located on the lower side of the engaging body 110 is located And, the coupling ring 132 provided at the end of the fixing portion 130 is fitted and fixed.

At this time, the engaging projection 114 should be formed in a shape that can be fitted to the engaging ring 132 of the fixing portion 130.

In addition, as shown in Figures 4 to 6, the arm coupling portion 120 is coupled to the coupling body 110 so as to be able to rotate up and down, one side of the arm assembly 200 is fixedly coupled.

In addition, the arm coupling portion 120 may include a rotating portion 121, a coupling groove 122, a tightening portion 123, a tightening screw 124, and the like.

The rotation part 121 is formed in a hollow shape with an empty interior, and is coupled between the coupling holes 112 formed in the coupling body 110 so as to be able to rotate up and down around the coupling body 110.

That is, when the unmanned aerial vehicle is not operated, the pivoting unit 121 folds the arm assembly 200 vertically and lifts it upward to fit into the groove 410 formed on the side of the housing 400, and the unmanned vehicle When the vehicle is in operation, it is to spread horizontally.

The coupling groove 122 is formed to extend integrally from the pivoting portion 121 to the front side, and is a portion in which one side of the arm assembly 200 is inserted into and coupled to the opened upper portion.

The fastening portion 123 is formed on the outside of the coupling groove 122, and performs a function of adjusting the size of the inner diameter of the coupling groove 122. That is, the user can adjust the tightening degree of the arm assembly 200 and the coupling groove 122 through the operation of the tightening screw 124.

For example, by expanding or narrowing the size of the inner diameter of the coupling groove 122 through an operation of tightening or loosening the tightening screw 124 coupled to the tightening portion 123 by the user, the coupling groove 122 and the arm By adjusting the degree of adhesion of the assembly 200, when the arm assembly 200 is coupled to the coupling groove 122, the tightening screw 124 can be tightened to increase the degree of closeness to maintain tight coupling, and conversely, the arm When the assembly 200 is pulled out from the coupling groove 122, the tightening screw 124 is loosened to lower the degree of adhesion, so that the female assembly 200 can be easily separated from the coupling groove 122.

In addition, as shown in Figures 4 to 6, the fixing part 130 is formed on one side of the coupling body 110, the circumference of the arm assembly 200 is extended in the horizontal direction from the coupling body 110 Fix it by wrapping it.

In addition, the fixing part 130 may be configured to include a second support 131, a coupling ring (132).

The second support 131 is formed on the inner side of the fixing part 130, and when fixing the circumference of the arm assembly 200 extended in the horizontal direction from the coupling body 110, the arm assembly 200 It performs the function of supporting the upper surface of the.

At this time, the second support 131, the arm assembly 200 is extended in a horizontal direction for flight, and then the engaging ring 132 of the fixing part 130 is attached to the engaging projection 114 of the engaging body 110. When combined, it is preferable to form in accordance with the outer shape of the arm assembly 200 so as to be in close contact with the upper surface of the arm assembly 200.

The coupling ring 132 is formed in a rotatable form at the end of the fixing portion 130, and performs a function of fixing and fitting to the coupling protrusion 114 formed on the coupling body 110.

Next, an embodiment of the folding process of the foldable unmanned aerial vehicle according to the present invention configured as described above will be described in detail with reference to FIGS. 7 to 9. At this time, each step according to the folding process of the present invention can be changed in order by the environment or those skilled in the art.

Figure 7 is a flow chart showing in detail the folding assembly process of the folding unmanned air vehicle according to an embodiment of the present invention, Figure 8 is a flow chart showing in detail the folding process of the folding unmanned air vehicle according to an embodiment of the present invention, 9 is a view for sequentially explaining the folding process of the folding unmanned aerial vehicle according to an embodiment of the present invention.

First, referring to FIG. 7, a method of forming the folding assembly 100 will be described. The upper and front surfaces of the coupling body 110 of the folding assembly 110 are formed in an open form (S10), and the fixing part ( 130) is installed on one side of the front surface of the coupling body (110) (S20).

After the coupling body 110 is formed through the steps S10 and S20 and the fixing part 130 is installed on the coupling body 110, the rotation part 121 of the female coupling part 120 is coupled The body 110 is coupled to be able to rotate up and down (S30).

As described above, when the formation of the coupling body 110 and the installation of the fixing part 130 and the female coupling part 120 are completed through steps S10 to S30, the folding assembly 100 is formed. At this time, the installation of the fixing part 130 and the arm coupling part 120 may be changed.

In this state, the user is one side of the arm assembly 200 in which the wing assembly 300 is mounted in the coupling groove 122 of the arm coupling portion 120 integrally formed in the front direction of the rotating portion 121. After inserting (S40), the arm assembly 200 is firmly fixed in the coupling groove 122 by adjusting the tightening portion 123 formed on the outer side of the coupling groove 122 with the tightening screw 124 ( S50).

Then, the upper and lower parts of the coupling body 110 are combined in the housing 400 (S60) to prepare the driving of the foldable unmanned vehicle.

Here, the coupling body 110 of the folding assembly 100 may be manufactured by separately manufacturing both side surfaces, front surfaces, and rear surfaces through screw coupling, or integrally through one mold.

On the other hand, with reference to Figures 8 and 9 to describe the folding process according to the operating situation of the unmanned air vehicle, when the user wants to perform operations such as spraying pesticides or fertilizer through the unmanned air vehicle used for agriculture, the user is folded vertically. Each arm assembly 200 in which the wing assembly 300 is mounted is horizontally expanded, and then the fixing part 130 provided in the folding assembly 100 in the state in which the arm assembly 200 is horizontally expanded is the arm It is fixed to the assembly 200 to perform the operation of the unmanned air vehicle (S100).

That is, as shown in (a) of FIG. 8, after unfolding the arm assembly 200 horizontally, the operation of the unmanned air vehicle is performed while the fixing part 130 is wrapped around the arm assembly 200 and fixed. .

In the process of performing a pesticide or fertilizer spraying operation through the step S100, the user determines whether the day is dark or the operation has ended and will no longer operate the unmanned air vehicle (S200). That is, the user decides whether to end the operation of the unmanned aerial vehicle.

When the flight of the unmanned aerial vehicle is terminated as a result of the determination in step S200, the user releases the fixing part 130 from the coupling body 110 (S300), and then folds the arm assembly 200 vertically and lifts it up. While being inserted into and fixed to the groove 410 formed in the housing 400 (S400).

That is, as shown in (b) of FIG. 8, the fixing part 130 fixed while surrounding the arm assembly 200 is released, and then, as shown in FIGS. 8 (c) and 8 (d), it is folded up vertically. Is to lift in the direction.

In this case, when the unmanned aerial vehicle is located in a place contaminated with stagnant water, mud, pesticides, etc., it is prevented that a part of the unmanned aerial vehicle is caught by other objects or is dirty by various contaminants.

As described above, according to the present invention, the joint of the unmanned aerial vehicle is foldable, so that when the unmanned aerial vehicle is located in a contaminated place, the wing assembly including the motor, motor mount, and wing of the unmanned aerial vehicle gets wet with water and rusts, such as mud or garbage. It can be prevented from being shortened due to contamination by pollutants.

In addition, when the unmanned aerial vehicle is located in a narrow space through the joints implemented by folding, a part of the unmanned aerial vehicle including wings is prevented from interfering with the movement of surrounding objects or people, and the storage of the unmanned aerial vehicle is minimized to facilitate storage. Can be done.

As described above, the present invention has been described with reference to the embodiment shown in the drawings, but this is only exemplary, and those skilled in the art to which the art pertains have various modifications and other equivalent embodiments You will understand that it is possible. Therefore, the technical protection scope of the present invention should be determined by the claims below.

100: folding assembly 110: coupling body
111: fastening groove 112: coupling hole
113: first support 114: engaging projection
120: arm coupling portion 121: rotating portion
122: coupling groove 123: fastening
124: tightening screw 130: fixing part
131: second support 132: engaging ring
200: arm assembly 300: wing assembly
400: housing 410: groove

Claims (9)

A coupling body coupled to the housing of the unmanned air vehicle, the upper and front surfaces of the arm assembly supporting a wing assembly including a motor, a motor mount, and a wing folded vertically and lifted upward or opened in a horizontal direction;
An arm coupling portion coupled to the coupling body to be rotatable up and down, and fixed to one side of the arm assembly; And
And a fixing part formed on one side of the coupling body and fixing the circumference of the arm assembly extended in the horizontal direction from the coupling body. The method according to claim 1,
The arm assembly,
When the unmanned aerial vehicle is not operated, it is fixed by being inserted into a groove formed on the side of the housing while being lifted and folded vertically through the upper portion of the coupling body,
When the unmanned aerial vehicle is operated, the foldable unmanned aerial vehicle is characterized in that it extends in a horizontal direction while passing through a side surface from the top of the coupling body. The method according to claim 1,
The coupling body,
A fastening groove formed on at least one of each of the upper and lower surfaces of both sides of the coupling body and fixedly coupled to the housing of the unmanned vehicle;
A coupling hole formed at corresponding positions of both side surfaces of the coupling body and connecting the arm coupling portion to be rotated up and down in the coupling body; And
Foldable unmanned air vehicle characterized in that it comprises; and formed by integrally connecting both sides of the coupling body, the first support for supporting the lower surface of the arm assembly when the arm assembly is extended in the horizontal direction. The method according to claim 3,
The coupling body,
Foldable unmanned vehicle characterized in that it is formed to protrude on the lower side of the one side of the coupling body, the engaging projection is fixedly fitted with a coupling ring provided in the fixing portion. The method according to claim 3,
The first support,
Foldable unmanned aerial vehicle characterized in that it is formed in accordance with the outer shape of the arm assembly so that when the arm assembly is unfolded in the horizontal direction, it wraps around the lower surface of the arm assembly to be in close contact. The method according to claim 1,
The arm coupling portion,
A rotating portion formed in a hollow shape and coupled between coupling holes formed in the coupling body so as to be able to rotate up and down around the coupling body; And
And a folding groove formed integrally extending from the pivot portion and coupled to one side of the arm assembly by being coupled to an open upper portion. The method according to claim 6,
The arm coupling portion,
It is formed on the outer side of the coupling groove, a folding part to control the degree of tightening of the arm assembly and the coupling groove by adjusting the size of the inner diameter of the coupling groove on the basis of the operation of the tightening screw; Foldable unmanned further comprising a Aircraft. The method according to claim 1,
The fixing part,
A second support for supporting an upper surface of the arm assembly when fixing the circumference of the arm assembly extended in the horizontal direction from the coupling body; And
Foldable unmanned vehicle characterized in that it is formed in a rotatable form at the end of the fixing portion, and a coupling ring fixedly fitted to the coupling protrusion formed on the coupling body. The method according to claim 8,
The second support,
When the arm assembly is unfolded in the horizontal direction and then the coupling ring of the fixing part is coupled to the coupling protrusion of the coupling body, it is formed in accordance with the external shape of the arm assembly so as to wrap and close the upper surface of the arm assembly. Foldable unmanned aerial vehicle characterized in that.

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