WO2018045627A1

WO2018045627A1 - Unmanned aerial vehicle and connecting assembly thereof

Info

Publication number: WO2018045627A1
Application number: PCT/CN2016/104838
Authority: WO
Inventors: 胡奔
Original assignee: 深圳市大疆创新科技有限公司
Priority date: 2016-09-09
Filing date: 2016-11-07
Publication date: 2018-03-15
Also published as: CN206141847U

Abstract

An unmanned aerial vehicle (100) and a connecting assembly thereof. The connecting assembly comprises a column (130) and a locking member (140) and is configured to connect a first connected member (110) and a second connected member (120), the second connected member (120) being provided thereon with a first through hole (121) fitting the column (130); the column (130) is fixed on the first connected member (110) and protrudes from the surface of the first connected member (110); the column (130) passes through the first through hole (121) from one side of the second connected member (120) and protrudes out from the other side of the second connected member (120); and the locking member (140) is fixed on the portion protruding out from the first through hole (121) and locks the second connected member (120) onto the first connected member (110). The second connected member (120) can be rapidly mounted on and dismounted from the first connected member (110) by means of the column (13) and the locking member (140). The connecting assembly has a simple structure and is convenient and less time-consuming for mounting.

Description

Drone and its connecting components

Technical field

The invention relates to the technical field of aircraft, in particular to a drone and a connecting component thereof.

Background technique

With the development of the UAV industry application, the need to carry other professional equipment on the UAV to complete professional applications is becoming more and more obvious.

The traditional method of mounting is to directly lock other professional equipment to the drone by screws, and then unload the professional equipment by removing the screws. This type of mounting requires frequent installation and disassembly of other professional equipment, which takes a lot of time; and the screw mating surface is easily worn after repeated disassembly, and the high-frequency vibration during flight of the aircraft easily causes the screw to fall off easily.

Summary of the invention

The invention provides a drone and a connecting component thereof, so as to solve the technical problem of time-consuming and laborious and easy to fall off when the other professional equipment is mounted by screws in the prior art.

In order to solve the above technical problem, a technical solution adopted by the present invention is to provide a connection assembly for connecting a first connected member and a second connected member, the connecting assembly comprising a cylinder and a lock, wherein a first through hole adapted to the cylinder is opened on the second connected member;

The cylinder is fixed to the first connected member and protrudes from a surface of the first connected member;

The cylinder passes through the first through hole from one side of the second connected member and protrudes to the other side of the second connected member, and the lock is fixed to the column and protrudes The portion of the first through hole further locks the second connected member to the first connected member.

According to an embodiment of the present invention, further comprising an elastic ring, the outer wall of the elastic ring is provided with a first annular groove;

The outer wall of the column is provided with a second annular groove, and the diameter of the column at the position of the second annular groove is smaller than the diameter of the first through hole;

The elastic ring is embedded in the first through portion of the second connected member through the first annular groove Perforating, the cylinder passes through the elastic ring and then through the first through hole, and the elastic ring is embedded in the second annular groove of the cylinder, such that the elastic ring is subjected to the first through Both the perforated inner wall and the second annular groove of the cylinder are pressed together to deform.

According to an embodiment of the present invention, the second connected member is further provided with a second through hole coaxial with the first through hole, and the second through hole has a smaller aperture than the elastic ring is sleeved on the column The maximum diameter of the second annular groove of the body, such that the elastic body cannot move axially into the second through hole; after the column passes through the first through hole, continue to pass through the first through hole The second through hole extends to the other side opposite to the second connected member.

According to an embodiment of the invention, at least a portion of the locking member extending radially from the cylinder axis has a length greater than a radius of the second through hole corresponding to a radial extension direction of the locking member.

According to an embodiment of the present invention, a portion of the column extending from the first through hole is provided with a third through hole, wherein the lock is a pin, and the pin passes through the third through hole. The second connected member is locked to the first connected member.

According to an embodiment of the invention, the latch includes a straight condition and a bent piece that are bent and connected, the straight condition passes through the third through hole, the curved piece is located outside the third through hole, and the elastic clip Hold the outer wall of the column.

According to an embodiment of the present invention, after the locking member locks the second connected member to the first connected member, a portion of the elastic ring exposed to the outside of the second connected member is subjected to the Deformation between the second connected member and the groove wall of the second annular groove of the cylinder or the first connected member, and the elastic body is unable to move axially away from the first Through hole.

According to an embodiment of the present invention, the first connected member is provided with a blind hole, and the blind hole is fixed with a threaded post coaxial with the blind hole, and the cylindrical body is fixed to the first connected member One end face is recessed to form an internally threaded hole, and one end of the post having the internally threaded hole is inserted into the blind hole of the first connected member, and the internally threaded hole is screwed to the threaded post.

According to an embodiment of the present invention, a bottom surface of the blind hole is provided with a stopper, and one end of the cylindrical body having the internally threaded hole is provided with a rotation preventing boss, and after the cylinder is screwed into the blind hole, the The anti-rotation boss and the stopper are mutually engaged to prevent the cylinder from continuing to rotate.

Another technical solution adopted by the present invention is to provide a drone that includes a drone main body, a mounting platform, and the connecting assembly described above, wherein the drone main body is a first connected member connected to the connecting component, the mounting platform being the connected component The second connected piece that is connected.

The beneficial effects of the present invention are: different from the prior art, the drone provided by the present invention and the connecting assembly thereof can be quickly connected to the first connected member through the column and the lock due to the column and the locking member. The second connected member is mounted and disassembled, and the connecting assembly has a simple structure, is convenient to install, and takes less time.

DRAWINGS

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the present invention. For those skilled in the art, other drawings may be obtained according to these drawings without any creative work, wherein:

1 is a schematic structural view of a first embodiment of a drone provided by the present invention;

Figure 2 is an enlarged schematic view showing the area A of the embodiment of Figure 1;

3 is a partially enlarged schematic structural view of a second embodiment of the drone provided by the present invention;

4 is a partially enlarged schematic structural view of a third embodiment of the drone provided by the present invention;

Figure 5 is a schematic structural view of a cylinder in the embodiment of Figure 4;

Figure 6 is a schematic structural view of a lock in the embodiment of Figure 4;

Figure 7 is a partially enlarged schematic structural view of a fourth embodiment of the drone provided by the present invention;

Figure 8 is a schematic view showing the structure of the cylinder of the embodiment of Figure 7.

detailed description

The technical solutions in the embodiments of the present invention are clearly and completely described in the following with reference to the accompanying drawings in the embodiments of the present invention. It is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative efforts are within the scope of the present invention.

1 and FIG. 2, FIG. 1 is a schematic structural view of a first embodiment of an unmanned aerial vehicle according to the present invention, and FIG. 2 is an enlarged schematic structural view of an A region in the embodiment of FIG. 1.

As shown in FIG. 1, the drone 100 includes a drone main body 110, a mounting platform 120, a cylinder 130, and a lock 140. The cylinder 130 and the lock 140 constitute a connection assembly.

It can be understood that the connecting member formed by the cylinder 130 and the locking member 140 can be used to connect A plurality of connected first connected members and second connected members are connected, wherein the cylindrical body 130 is fixed to the first connected member and passes through the second connected member, and is locked by the locking member 140. In the present embodiment, the scenario applied in the drone 100 will be described.

The cylinder 130 is fixed to the UAV main body 110 and protrudes from the surface of the UAV main body 110. The mounting platform 120 is used for fixing the external device, and is provided with a first through hole 121 adapted to the cylinder 130 (see 2); the cylinder 130 passes through the first through hole 121 from the side of the mounting platform 120 and protrudes to the other side opposite to the mounting platform 120. The locking member 140 is fixed to the column 130 and protrudes from the first through hole 121. In part, the mounting platform 120 is further locked to the drone main body 110.

The drone 100 provided by the present invention can quickly mount and disassemble the mounting platform 120 on the drone main body 110 through the column 130 and the lock 140 by providing the mounting platform 120. The drone 100 is simple in structure, convenient to install and time consuming. less.

The column body 130 is fixed to the UAV main body 110, and the column body 130 can be fixed to the UAV main body 110 by screwing or snapping, and the column body 130 can also be integrally formed with the UAV main body 110.

For the sake of easy understanding, the following embodiments only show a detailed schematic diagram of a partial enlarged area.

Please refer to FIG. 3. FIG. 3 is a partially enlarged schematic structural view of a second embodiment of the drone provided by the present invention.

As shown in FIG. 3, the drone 200 further includes an elastic ring 250. The outer wall of the elastic ring 250 is provided with a first annular groove 251; the outer wall of the cylindrical body 230 is provided with a second annular groove 231, and the cylindrical body 230 is in the second annular groove. The diameter of the 231 position is smaller than the diameter of the first through hole 221; the elastic ring 250 is embedded in the first through hole 221 of the mounting platform 220 through the first annular groove 251, and the cylinder 230 passes through the elastic ring 250 and then passes through the first through hole 221 The elastic ring 250 is embedded in the second annular groove 231 of the cylinder 230, so that the elastic ring 250 is deformed by the inner wall of the first through hole 221 and the second annular groove 231 of the cylinder 230, so that the mounting platform 220 is installed. It can be closely embedded with the cylinder 230.

The elastic ring 250 is not restricted by the first through hole 221 of the mounting platform 220 and cannot be axially separated from the first through hole 221, and is also restricted by the second annular groove 231 of the cylinder 230, and cannot be separated from the column 230; further, the mounting platform Between the 220 and the cylinder 230, the elastic ring 250 is elastically abutted, thereby being flexibly coupled, reducing or even avoiding wear and impact, and the structure is also tighter.

Among them, the elastic ring 250 is made of an elastic material including rubber, resin, and the like.

Please refer to FIG. 4 to FIG. 6. FIG. 4 is a partial view of a third embodiment of the drone provided by the present invention. FIG. 5 and FIG. 6 are respectively schematic structural views of the cylinder and the lock in the embodiment of FIG. 4 .

As shown in FIG. 4 , the mounting platform 320 is further provided with a second through hole 322 coaxial with the first through hole 321 . The second through hole 322 has a smaller hole diameter than the second annular groove 331 of the elastic ring 350 sleeved on the column 330 . The maximum diameter of the time is such that the elastic body 350 cannot move axially into the second through hole 322; the diameter of the second through hole 322 is smaller than or equal to the aperture of the first through hole 321 , and the column 330 passes through the first through hole 321 Continue through the second through hole 322 and project to the other side opposite the mounting platform 320.

In the embodiment, the mounting platform 320 is provided with a third through hole 323 coaxial with the first through hole 321 and the second through hole 322 . The third through hole 323 is disposed in the first through hole 321 and the second through hole 322 . In the middle, the aperture of the third through hole 323 is larger than the apertures of the first through hole 321 and the second through hole 322 so that the elastic body 350 can be embedded.

The groove width of the first annular groove 351 is equal to or larger than the hole depth of the first through hole 321 , and the groove width of the second annular groove 331 is equal to or larger than the length of the elastic ring 350 .

The length of the locking member 340 extending radially from the axis of the cylinder 330 is greater than the radius of the second through hole 322 corresponding to the radial direction of the locking member 340, so that the locking member 340 can lock the mounting platform 320 to the main body of the drone. 310.

Referring to FIG. 5 together, the free end of the cylinder 330 has a conical shape, a disc shape or a mushroom shape, so that the cylinder 330 can quickly and easily pass through the first through hole 321 and continue to extend through the second through hole 322. On the other side opposite to the mounting platform 320, a portion extending from the first through hole 321 is provided with a third through hole 332 in the radial direction. The lock 340 is a latch, and the latch 340 passes through the third through hole 332 to lock the mounting platform 310 to the drone main body 310.

Referring to FIG. 6 together, the latch 340 includes a straight condition 341 and a curved member 342 which are bent and connected. The straight condition 341 passes through the third through hole 332, and the curved member 342 is located outside the third through hole 332, and the elastic clamping cylinder is elastically clamped. The outer wall of the 330 is less susceptible to vibration and is detached from the cylinder 330.

Specifically, after the locking platform 340 locks the mounting platform 310 to the UAV main body 310, the elastic ring 350 is exposed to a portion of the mounting platform 320 and the second annular groove 331 of the cylinder 330. The pressing between the human body main body 310 is deformed, and the elastic body 350 is prevented from moving axially away from the first through hole 321.

Please refer to FIG. 7. FIG. 7 is a partial enlarged structure of a fourth embodiment of the drone provided by the present invention. FIG. 8 is a schematic structural view of a cylinder in the embodiment of FIG. 7.

The drone main body 410 is provided with a blind hole 411. The blind hole 411 is fixed with a threaded column (not shown) coaxial with the blind hole. The column body 430 is fixed to the end surface of the unmanned main body 410 and is internally recessed to form an internally threaded hole. The end of the cylinder 430 having the internally threaded hole is inserted into the blind hole 411 of the UAV main body 410, and the internally threaded hole is screwed to the threaded post. The UAV main body 410 is provided with one or more cylinders 430. For example, the UAV main body 410 is provided with four, six or eight cylinders 430, and the plurality of main bodies 430 are on the same horizontal plane. In this embodiment, the number of the locks 440 is less than or equal to the number of the cylinders 430.

In other embodiments, the bottom surface of the blind hole 411 may further be provided with a stopper 412. One end of the cylinder 430 having the internally threaded hole is provided with a rotation preventing boss 433. After the cylinder 430 is screwed into the blind hole 411, the rotation preventing protrusion 433 The top of the block 412 is clamped to prevent the cylinder 430 from continuing to rotate.

For ease of understanding, the implementation steps for installing the installation platform on the main body of the drone are listed below:

Firstly, the elastic member is mounted to the first through hole of the mounting platform, and is mounted on the first through hole of the mounting platform by the deformation capability of the elastic member, restricting the axial movement of the elastic member, and is restricted by the first annular groove of the elastic member. It moves in the radial direction.

Then, install the cylinder onto the UAV and ensure that the highest points of the multiple cylinders are on the same plane.

Next, the mounting platform of the elastic member is directly pressed into the cylinder. When the elastic member is thinned by the pressed side wall, the mounting platform slides into the second annular groove of the cylinder with the elastic member.

Finally, the fastener is inserted into the hole of the third through hole of the cylinder.

The process step of unloading the installation platform of the main body of the drone is exactly opposite to the installation step. The lock is inserted out from the hole of the third through hole of the cylinder, and then the installation platform can be taken out, so that the main body of the drone can be quickly Install and uninstall the installation platform.

In summary, those skilled in the art will readily understand that the drone provided by the present invention can quickly mount and dismount the mounting platform on the main body of the drone through the cylinder and the lock due to the provision of the cylinder and the lock. The man-machine structure is simple, easy to install and time-consuming.

The above is only the embodiment of the present invention, and is not intended to limit the scope of the invention, and the equivalent structure or equivalent process transformation of the present invention and the contents of the drawings may be directly or indirectly applied to other related technologies. The fields are all included in the scope of patent protection of the present invention.

Claims

A connecting assembly for connecting a first connected member and a second connected member, wherein the connecting assembly comprises a cylinder and a lock, wherein the second connected member is opened and a first through hole adapted to the cylinder;

The cylinder is fixed to the first connected member and protrudes from a surface of the first connected member;

The cylinder passes through the first through hole from one side of the second connected member and protrudes to the other side of the second connected member, and the lock is fixed to the column and protrudes The portion of the first through hole further locks the second connected member to the first connected member.
The connection assembly of claim 1 wherein:

Further comprising an elastic ring, the outer wall of the elastic ring is provided with a first annular groove;

The outer wall of the column is provided with a second annular groove, and the diameter of the column at the position of the second annular groove is smaller than the diameter of the first through hole;

The elastic ring is embedded in the first through hole of the second connected member through the first annular groove, and the cylindrical body passes through the elastic ring and further passes through the first through hole, and The elastic ring is embedded in the second annular groove of the cylinder such that the elastic ring is deformed by the inner wall of the first through hole and the second annular groove of the cylinder.
The connection assembly of claim 2 wherein:

The second connected member is further provided with a second through hole coaxial with the first through hole, and the second through hole has a smaller aperture than the second ring of the elastic ring sleeved on the cylinder The maximum diameter of the groove, such that the elastic body cannot move axially into the second through hole; after the column passes through the first through hole, it continues to extend through the second through hole and protrudes To the other side of the second connected member opposite to the other.
The connection assembly of claim 3 wherein:

At least a portion of the fastener extending radially from the cylinder axis has a length greater than a radius of the second through hole corresponding to a radial extension direction of the fastener.
A connection assembly according to any one of claims 1 to 4, characterized in that

a portion of the cylinder protruding from the first through hole is provided with a radial third through hole, the lock is a pin, and the pin passes through the third through hole to connect the second Locking And the first connected member.
The connection assembly of claim 5 wherein:

The latch includes a straight condition and a bent piece that are bent and connected, the straight condition passing through the third through hole, the curved piece being located outside the third through hole, and elastically clamping the outer wall of the column.
The connection assembly of claim 2 wherein:

After the locking member locks the second connected member to the first connected member, a portion of the elastic ring exposed to the outside of the second connected member is received by the second connected member The groove between the groove wall of the second annular groove of the cylinder or the first connected member is deformed, and the elastic body cannot move axially away from the first through hole.
A connection assembly according to any one of claims 1 to 4, characterized in that

The first connected member is provided with a blind hole, and the blind hole is fixed with a threaded column coaxial with the blind hole, and the cylindrical body is fixed in an end surface of the first connected member a threaded hole, the cylinder having one end of the internally threaded hole inserted into the blind hole of the first connected member, and the internally threaded hole is screwed to the threaded post.
The connection assembly of claim 8 wherein:

a bottom surface of the blind hole is provided with a stopper, and one end of the cylindrical body having the internally threaded hole is provided with a rotation preventing boss, and after the cylinder is screwed into the blind hole, the rotation preventing boss and the The stops are pinned to each other to prevent the cylinder from continuing to rotate.
A drone, characterized in that the drone includes a drone main body, a mounting platform, and the connecting assembly according to any one of claims 1 to 4, wherein the drone main body is a drone A first connected member connected to the connecting component, the mounting platform being a second connected member connected by the connecting component.