CN108454818B

CN108454818B - Unmanned plane

Info

Publication number: CN108454818B
Application number: CN201810258347.4A
Authority: CN
Inventors: 徐顺义; 杨雪
Original assignee: Goertek Robotics Co Ltd
Current assignee: Goertek Robotics Co Ltd
Priority date: 2018-03-27
Filing date: 2018-03-27
Publication date: 2020-04-07
Anticipated expiration: 2038-03-27
Also published as: CN108454818A

Abstract

The invention discloses an unmanned aerial vehicle, which comprises a body, a horn and a quick connection and disassembly structure, wherein the quick connection and disassembly structure comprises a bracket shell, the bracket shell is provided with an inner cavity, and one end of the bracket shell is provided with a through hole communicated with the inner cavity; the other end is fixedly connected with the machine body or the machine arm; the crank connecting rod mechanism is arranged in the inner cavity and comprises a crank, a connecting rod and a sliding piece which are connected, and the sliding piece reciprocates in the through hole along the axis of the through hole; when the sliding piece extends out of the through hole, the bracket shell is correspondingly clamped and locked with the machine arm or the machine body through the sliding piece; when the sliding piece retracts into the through hole, the bracket shell is unlocked with the machine arm or the machine body; and the driving mechanism is used for driving the crank to rotate so as to drive the sliding piece to move. Above-mentioned unmanned aerial vehicle dismantles the structure through the high-speed joint and can realize horn and fuselage quick installation and dismantlement to reduce unmanned aerial vehicle packing volume, convenient transportation.

Description

Unmanned plane

Technical Field

The invention relates to the technical field of unmanned aerial vehicles, in particular to an unmanned aerial vehicle.

Background

In recent years, the industry of unmanned aerial vehicles has been rapidly developed, and unmanned aerial vehicles are widely applied to various fields such as photography, entertainment, patrol and even agriculture. According to the difference of application scenario, unmanned aerial vehicle's volume also is different. Be applied to the unmanned aerial vehicle volume in photography, amusement field less, the wheel base is about tens centimetres, but is applied to the unmanned aerial vehicle volume in agricultural field great, and the wheel base is generally more than a meter. After the drone has performed the relevant task, it is desirable for the packaging volume of the drone to be as small as possible for transport convenience. However, one of the main structural members affecting the size of the unmanned aerial vehicle is the horn. The existing unmanned aerial vehicle has the defects of large packaging volume and inconvenient transportation due to the length of the horn.

Disclosure of Invention

Based on this, the invention aims to provide the unmanned aerial vehicle which can rapidly assemble and disassemble the horn and the body and reduce the packaging volume.

In order to solve the technical problem, the invention adopts the following technical scheme to realize:

the utility model provides an unmanned aerial vehicle, includes fuselage and horn, wherein, still includes the quick-connect dismantlement structure, the quick-connect dismantlement structure includes:

the bracket comprises a bracket shell, a bracket body and a bracket, wherein the bracket shell is provided with an inner cavity, and one end of the bracket shell is provided with a through hole communicated with the inner cavity; the other end is fixedly connected with the machine body or the machine arm;

the crank connecting rod mechanism is arranged in the inner cavity and comprises a crank, a connecting rod and a sliding piece which are connected, and the sliding piece reciprocates in the through hole along the axis of the through hole; when the sliding piece extends out of the through hole, the bracket shell is correspondingly clamped and locked with the machine arm or the machine body through the sliding piece; when the sliding piece retracts into the through hole, the support shell is unlocked with the machine arm or the machine body;

and the driving mechanism is used for driving the crank to rotate so as to drive the sliding piece to move.

In one embodiment, the driving ring is sleeved on the outer wall of the bracket shell, the transmission shaft is connected with the crank, and the transmission columns are respectively connected with the driving ring and the transmission shaft, and when the driving ring rotates around the bracket shell, the transmission column drives the transmission shaft to rotate, so that the crank is driven to rotate.

In one embodiment, the bracket shell is provided with two through holes; the crank connecting rod mechanisms are correspondingly provided with two groups.

In one embodiment, the crank is circular; the connecting rod comprises a first connecting rod and a second connecting rod, the sliding part comprises a first sliding part and a second sliding part, the first connecting rod is connected with the crank and is connected with the first sliding part, and the second connecting rod is connected with the crank and is connected with the second sliding part.

In one embodiment, two through holes are symmetrically arranged relative to the crankshaft line, and accordingly, the first connecting rod and the second connecting rod are symmetrically arranged relative to the crankshaft center.

In one embodiment, the transmission shaft is inserted into the circular ring of the crank, is rotationally limited through a rotation limiting structure, and is axially limited through a first clamp spring; the transmission shaft is connected with the support shell in a rotating mode and is axially limited through a second clamp spring.

In one embodiment, a rotation stopping structure is arranged between the driving ring and the bracket shell and used for limiting the rotation angle of the driving ring.

In one embodiment, the rotation stop structure is a rotation stop washer.

In one embodiment, the outer wall of the bracket shell is provided with a small stepped boss and a large stepped boss, and the driving ring is sleeved on the small boss and abutted against the large boss.

In one embodiment, a clamping groove is formed in the machine body or the machine arm, and a positioning hole is formed in the inner wall of the clamping groove; one end of the support shell can stretch into the clamping groove, and the sliding piece stretches out of the through hole of the support shell and is clamped with the positioning hole in a matched mode.

Compared with the prior art, the invention has the advantages and positive effects that:

according to the unmanned aerial vehicle, the sliding piece can extend out of or retract into the through hole of the support shell through the crank connecting rod mechanism in the quick connecting and disassembling structure, so that the support shell and the arm or the body of the unmanned aerial vehicle are clamped and locked or unlocked, and the arm and the body are quickly installed and disassembled. Before unmanned aerial vehicle carries out the task, the accessible this mechanism is manual firmly reliably is connected horn and fuselage, treats that unmanned aerial vehicle accomplishes after the flight task also can dismantle the horn from the fuselage through this mechanism is manual to reduce unmanned aerial vehicle packing volume, convenient transportation.

Drawings

FIG. 1 is a schematic view of the connection structure of the fuselage and the horn of the unmanned aerial vehicle of the present invention;

FIG. 2 is a perspective view of a quick connect disconnect configuration of the unmanned aerial vehicle of the present invention;

FIG. 3 is a schematic view of the internal structure of the quick connect disconnect structure of the unmanned aerial vehicle of the present invention;

fig. 4 is an exploded view of a quick connect disconnect structure in the unmanned aerial vehicle of the present invention;

FIG. 5 is a cross-sectional view of a quick connect disconnect of the unmanned aerial vehicle of the present invention;

FIG. 6 is a cross-sectional view taken along line A-A of FIG. 5;

FIG. 7 is a schematic view of the quick connect disconnect structure of the present invention in an unlocked state;

FIG. 8 is a schematic view of the locking of the quick connect disconnect structure in an unmanned aerial vehicle according to the present invention;

description of reference numerals:

a bracket shell 100, a through hole 110, a small boss 120; a large boss 130; a rotation groove 140;

a crank 210; a connecting rod 220; a detent 230; a connecting pin 240;

a drive ring 310; a notch 311; a drive shaft 320; an axial groove 321; a drive post 330;

a first clamp spring 410; a second clamp spring 420; a rotation stop washer 430;

a horn 500; positioning holes 510;

a body 600;

a screw 700.

Detailed Description

Reference will now be made in detail to the present embodiments of the invention, examples of which are illustrated in the accompanying drawings, but which can be embodied in many different forms and varied in the manner defined and covered by the claims.

Referring to fig. 1, the unmanned aerial vehicle in one embodiment of the invention comprises a body, a horn and a quick-connect-disconnect structure. The quick connecting and disassembling structure is used for connecting the machine body and the horn so as to realize quick installation and disassembly of the horn. It should be noted that the fuselage and the arms of the drone are only schematically shown here, and the specific structure thereof is not described in detail. Referring to fig. 2 to 6, the quick-connect-disconnect structure includes a bracket housing 100, a crank link mechanism, and a driving mechanism. The cradle housing 100 has an inner cavity, and referring to fig. 1, one end of the cradle housing 100 is provided with a through hole 110 communicating with the inner cavity, and the other end is used for being fixedly connected with a body or a horn. The crank linkage is disposed in the interior cavity of the cradle housing 100. As shown in fig. 3, the crank-link mechanism includes a crank 210, a link 220, and a slider, which are connected. The slider is preferably a bayonet 230, and the crank 210 and the connecting rod 220, and the connecting rod 220 and the slider are hinged by a connecting pin 240. The sliding part is arranged in the through hole 110, and when the crank 210 rotates, the connecting rod 220 drives the sliding part to reciprocate in the through hole 110 along the axis of the through hole 110. One end of the sliding member connected to the connecting rod 220 is a connecting end, and the other end is a free end. As shown in fig. 8, when the free end of the slider extends out of the through hole 110, the cradle housing 100 can be locked by the slider in a snap-fit manner with the horn or the body, respectively. As shown in fig. 7, when the free end of the slider is retracted into the through-hole 110, the stand housing 100 is unlocked from the horn or the body. The driving mechanism is used for driving the crank 210 to rotate, and then driving the sliding part to reciprocate along the axis of the through hole 110.

In this embodiment, one end of the stand case 100 is fixedly coupled to the body 600 by a screw 700. The other end of the support shell 100 is connected with the horn 500 through the bayonet 230, a clamping groove is formed in the horn, a positioning hole 510 is formed in the clamping groove, after the support shell 100 extends into the clamping groove, when the bayonet 230 extends out of the through hole of the support shell 100, the bayonet can be clamped into the positioning hole 510 in the horn, clamping and fixing are achieved, and quick connection of the horn and the machine body is achieved. When the latch 230 is retracted into the through hole 110, the horn 500 can be pulled out of the cradle housing 100, thereby realizing the quick detachment of the horn from the body. The quick connection and disassembly of the unmanned aerial vehicle arm and the unmanned aerial vehicle body are realized through the quick connection and disassembly structure. Of course, one end of the bracket housing 110 may be fixed to the arm by a screw, and the latch 230 is connected to the body. Before unmanned aerial vehicle carries out the task, this structure of accessible is manual firmly reliably be connected horn 500 and fuselage 600, treats that unmanned aerial vehicle accomplishes also can dismantle horn 500 from fuselage 600 manually through this structure after the flight task to reduce unmanned aerial vehicle packing volume, convenient transportation.

Specifically, as shown in fig. 3 and 4, the driving mechanism includes a driving ring 310 sleeved on the outer wall of the support housing 100, a transmission shaft 320 connected with the crank 210, and a transmission column 330 respectively connected with the driving ring 310 and the transmission shaft 320. The entire holder housing may be cylindrical, or a portion connected to the drive ring 310 may be cylindrical, and the other portion may be cubic. The transmission shaft 320 is axially arranged in the bracket shell along the bracket shell, an arc-shaped rotating groove 140 is formed in the bracket shell, the transmission column 330 is arranged perpendicular to the transmission shaft 320, one end of the transmission column 330 is fixed with the transmission shaft 320, and the other end of the transmission column 330 penetrates through the rotating groove 140 to be fixed with the driving ring 310. The axis of the through hole 110 in the holder housing 100 is perpendicular to the holder housing axis. When the driving ring 310 rotates around the bracket housing 100 by a certain angle, it rotates along the rotation groove 140 through the transmission column 330, and drives the transmission shaft 320 to rotate by the same angle, and further drives the crank 210 to rotate, and drives the bayonet 230 to slide along the axis of the through hole 110 of the bracket housing 100 through the crank-link mechanism; similarly, when the drive ring 310 is rotated in the opposite direction about the mount housing 100 by the same angle, the bayonets 230 are moved in the opposite direction along the axis of the through-hole 110 of the mount housing 100 by the same distance through a series of drives. The drive mechanism is coupled to a crank linkage mechanism that translates rotational motion of the drive ring 310 into linear motion of the bayonet 230 perpendicular to the axis of rotation. In other embodiments, the driving mechanism may be a gear mechanism, for example, a pair of bevel gears is provided, and a knob is provided on the outer wall of the rack housing 100, and the bevel gears drive the transmission shaft 320 to rotate.

Further, in order to ensure the stable connection, the bracket shell 100 is provided with two through holes 110; two groups of crank link mechanisms are correspondingly arranged. Preferably, the crank 210 is circular. The two through holes 110 are arranged symmetrically with respect to the crank 210 axis. The link 220 includes a first link 220 and a second link 220, and the slider includes a first slider and a second slider. The first link 220 is connected to the crank 210 and to the first slider, and the second link 220 is connected to the crank 210 and to the second slider. The first link 220 and the second link 220 are arranged symmetrically with respect to the center of the crank 210. When the transmission shaft 320 rotates, the first sliding member and the second sliding member are driven to move towards or towards each other through the circular crank 210. In other embodiments, the through holes 110 and the crank-link mechanism can be designed to be more than two sets, such as four sets, and the four sets of through holes 110 are uniformly distributed along the circumference of the bracket shell.

As shown in fig. 4, the transmission shaft 320 is inserted into the circular ring of the crank 210, rotationally limited by the rotational limiting structure, and axially limited by the first clamp spring 410. Specifically, the radial limiting structure includes an axial groove 321 formed at the end of the transmission shaft 320, a protrusion is correspondingly formed on the inner wall of the ring of the crank 210, and the protrusion is clamped into the axial groove 321 to limit the rotation of the transmission shaft 320 and the crank 210. Further, the transmission shaft 320 is rotatably connected with the bracket shell 100 and is axially limited by the second clamp spring 420.

To prevent the drive ring 310 from rotating too much, further, a rotation stop structure is provided between the drive ring 310 and the mount housing 100 for limiting the rotational angle of the drive ring 310 and limiting the axial displacement between the drive ring 310 and the mount housing 100. Specifically, as shown in fig. 4, the rotation stop structure is a rotation stop washer 430 disposed between the drive ring 310 and the mount housing 100. In other embodiments, the rotation stopping structure can also be realized by a threaded structure, such as a threaded connection between the driving ring 310 and the holder housing 100, and when the driving ring 310 is twisted to the tightest position, the bayonet 230 extends out of the holder housing 100 to complete the connection; when the drive ring 310 is unscrewed in the opposite direction, the bayonet 230 retracts into the through hole 110, completing the disassembly.

Specifically, a stepped small boss 120 and a stepped large boss 130 are provided on the outer wall of the mount housing 100, and the drive ring 310 is fitted over the small boss 120 and abuts against the large boss 130. The edge of the driving ring 310 abutting against the large boss 130 is provided with a notch 311, the end of the driving column 330 extends into the notch 311, the driving ring 310 buckles the driving column 330 on the table top of the large boss through the notch 311, and the fixed connection between the driving column 330 and the driving ring 310 is realized. According to the unmanned aerial vehicle, the crank link mechanism in the quick connecting and disassembling structure is used for converting the rotary motion of the driving ring 310 into the linear motion of the bayonet 230, so that the mounting and disassembling of the horn are realized by controlling the rotary direction of the driving ring 310, the packaging volume of the unmanned aerial vehicle is reduced, and the transportation is convenient; the crank connecting rod mechanism has the quick-release characteristic, and the quick installation and the quick disassembly of the machine arm can be manually realized; simple structure, low cost and strong practicability.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. The utility model provides an unmanned aerial vehicle, includes fuselage and horn, its characterized in that still includes the quick-connect dismantlement structure, the quick-connect dismantlement structure includes:

2. The unmanned aerial vehicle of claim 1, comprising a driving ring sleeved on an outer wall of the support housing, a transmission shaft connected to the crank, and transmission posts respectively connected to the driving ring and the transmission shaft, wherein when the driving ring rotates around the support housing, the transmission posts drive the transmission shaft to rotate, and further drive the crank to rotate.

3. The unmanned aerial vehicle of claim 1, wherein the bracket shell is provided with two through holes; the crank connecting rod mechanisms are correspondingly provided with two groups.

4. The drone of claim 3, wherein the crank is circular; the connecting rod comprises a first connecting rod and a second connecting rod, the sliding part comprises a first sliding part and a second sliding part, the first connecting rod is connected with the crank and is connected with the first sliding part, and the second connecting rod is connected with the crank and is connected with the second sliding part.

5. An unmanned aerial vehicle according to claim 4, wherein two through holes are symmetrically arranged with respect to the crank axis, and correspondingly the first and second connecting rods are symmetrically arranged with respect to the crank center.

6. The unmanned aerial vehicle of claim 2, wherein the transmission shaft is inserted into the circular ring of the crank and is rotationally limited by a rotational limiting structure and axially limited by a first clamp spring; the transmission shaft is connected with the support shell in a rotating mode and is axially limited through a second clamp spring.

7. The drone of claim 2, wherein a rotation stop structure is provided between the drive ring and the mount housing for limiting the angle of rotation of the drive ring.

8. The drone of claim 7, wherein the anti-rotation structure is a non-rotating washer.

9. The unmanned aerial vehicle of claim 2, wherein the outer wall of the bracket shell is provided with a small stepped boss and a large stepped boss, and the driving ring is sleeved on the small boss and abuts against the large boss.

10. The unmanned aerial vehicle of claim 1, wherein a clamping groove is formed in the body or the arm, and a positioning hole is formed in the inner wall of the clamping groove; one end of the support shell can stretch into the clamping groove, and the sliding piece stretches out of the through hole of the support shell and is clamped with the positioning hole in a matched mode.