Quick release device based on unmanned aerial vehicle system

Abstract

The invention provides a quick dismounting device based on an unmanned aerial vehicle system, and relates to the technical field of unmanned aerial vehicles, the quick dismounting device is used for detachably connecting a paddle in the unmanned aerial vehicle system with a motor cover plate, the quick dismounting device comprises a protruding piece, a clamping jaw and two top blocks, a clamping cavity used for clamping the protruding piece is formed between one end of the clamping jaw and the motor cover plate, and the two top blocks are arranged in the clamping cavity; part positions of the at least two ejector blocks extend towards the two opposite sides of the clamping jaw, so that when the protruding piece extends into the clamping cavity, part positions of the at least two ejector blocks abut against the two opposite sides of the protruding piece respectively, and multiple moving directions of the at least one protruding piece are limited through the at least two ejector blocks and the at least one clamping jaw. The blade can be quickly assembled on the motor cover plate, so that the existing mounting mode of the blade and the motor cover plate is changed, the advantages of high-efficiency mounting and lossless mounting are realized, and the flight performance and the assembly reliability of an aircraft-free system are further improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of unmanned aerial vehicle, in particular to a quick release device based on unmanned aerial vehicle system. BACKGROUND

[0002] The unmanned aerial vehicle system comprises two independent individuals of propeller blades and power modules, and the power module is usually a brushless motor. In the prior art, the propeller blades and the power module are usually connected to each other by fastening screws.

[0003] In view of the above connection mode, although the stability of the connection between the propeller blades and the power module can be ensured, when some large unmanned aerial vehicles arrive or leave the scene, the propeller blades need to be disassembled and assembled, and when the task site and batches are more, the screws need to be frequently disassembled and assembled, and the installation process needs to pay attention to the installation torque, and there is a risk of damage to the fastening screws and the installation thread hole, or the risk of propeller blade falling off during flight caused by not being installed in place.

[0004] Therefore, the existing connection mode has low installation efficiency, and when the fastening screws are frequently disassembled and assembled, the propeller blade root will be pressed and damaged, which reduces the flight performance of the propeller blade and increases the risk of propeller blade fracture. SUMMARY

[0005] Therefore, the present application aims to provide a quick release device based on unmanned aerial vehicle system to solve the technical problems of the existing connection mode of the propeller blades and the power module in the background art, which has low installation efficiency and easily causes the propeller blades to be pressed and damaged during assembly, thereby reducing the flight performance.

[0006] The present application provides a quick release device based on unmanned aerial vehicle system, which is used for detachable connection of propeller blades and motor cover plates in the unmanned aerial vehicle system, and the quick release device comprises at least one protruding piece for detachable connection with the propeller blades, at least one claw for being arranged on the motor cover plate, and at least two top blocks for elastic connection with the motor cover plate. One end of the claw is connected with the motor cover plate, and the other end extends at least partially towards the center of the motor cover plate, so that a clamping cavity for clamping the protruding piece is formed between one end of the claw and the motor cover plate. At least two of the top blocks are partially extended towards the opposite sides of the claw, so that when the protruding piece extends into the clamping cavity, at least two of the top blocks are partially extended towards the opposite sides of the protruding piece, so as to limit the movement direction of the at least one protruding piece by the at least two top blocks and the at least one claw.

[0007] Further, the quick release device further comprises a propeller seat and a top block seat. The convex piece is arranged on the paddle base to be detachably connected with the paddle through the paddle base, and the top block is arranged on the top block base to be elastically connected with the motor cover plate through the top block base.

[0008] Further, the quick release device further comprises a plurality of convex pieces, a plurality of clamping claws and a plurality of top blocks.

[0009] Further, the plurality of convex pieces are arranged on the paddle base in a circumferential interval with the center of the paddle base as the origin, and the plurality of top blocks are arranged on the top block base in a circumferential interval with the center of the top block base as the origin. The plurality of clamping claws are arranged on the motor cover plate in a circumferential interval, and each adjacent two clamping claws have an interval to form an extension interval part corresponding to each convex piece, the extension interval part is used to communicate with the clamping cavity, so that when the convex piece is located in the extension interval part, each clamping cavity is clamped by rotating the convex piece in a forward / reverse direction. The part of each top block is located in the extension interval part.

[0010] Further, a plurality of opening parts are arranged on the motor cover plate, and each opening part is arranged opposite to each top block.

[0011] Further, the quick release device further comprises a first connecting assembly and a second connecting assembly. The paddle base is connected with the paddle through one of the first connecting assembly and the second connecting assembly, and the top block base is elastically connected with the motor cover plate through the other of the first connecting assembly and the second connecting assembly.

[0012] Further, the paddle base is connected with the paddle through the first connecting assembly. The first connecting assembly comprises an upper cover plate with a plurality of first connecting pieces and a lower cover plate with a plurality of second connecting pieces. The upper cover plate is arranged above the paddle, so that the plurality of first connecting pieces are arranged from top to bottom to connect the paddle and the paddle base, and the lower cover plate is arranged below the paddle, so that the plurality of second connecting pieces are arranged from bottom to top to connect the paddle base and the paddle with the upper cover plate.

[0013] Further, a plurality of through holes are arranged on the paddle base, and a part of the plurality of through holes are arranged opposite to the plurality of first connecting pieces, and another part of the plurality of through holes are arranged opposite to the plurality of second connecting pieces.

[0014] Further, the first connecting piece further comprises a button arranged above the upper cover plate. The second connecting piece is used for extending out of the upper cover plate and connecting with the button.

[0015] Further, the top block seat is connected with the motor cover plate through the second connecting assembly. The second connecting assembly comprises a locking cover plate and an elastic piece, the locking cover plate is connected with the motor cover plate, the locking cover plate and the motor cover plate have a cavity for the movement of the top block seat, and the elastic piece is arranged in the cavity and connected with the top block seat.

[0016] Compared with the prior art, the quick release device based on the unmanned aerial vehicle system has the following advantages: In the quick release device based on the unmanned aerial vehicle system, at least one protruding piece is used for detachable connection with the paddle, at least one claw is arranged on the motor cover plate, and at least two top blocks are used for elastic connection with the motor cover plate. When the paddle is assembled with the motor cover plate, the end of the claw and the motor cover plate form a clamping cavity for clamping the protruding piece, so that the protruding piece can enter the clamping cavity, the longitudinal movement of the protruding piece is limited by the claw, and after the protruding piece enters the clamping cavity, the positions of the two top blocks are extended to the opposite sides of the claw, so that the two top blocks can limit the protruding piece in the clamping cavity, thereby limiting the transverse movement of the protruding piece by the two top blocks. The paddle can be quickly assembled on the motor cover plate, thereby changing the installation mode of the existing paddle and motor cover plate, realizing the advantages of high efficiency and lossless installation, and improving the flight performance and assembly reliability of the unmanned aerial vehicle system. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 The structure diagram of the quick release device based on the unmanned aerial vehicle system in an embodiment of the present application is shown. Figure 2 The exploded view of the quick release device based on the unmanned aerial vehicle system in an embodiment of the present application is shown. Figure 3 The perspective view of the motor cover plate and the claw in an embodiment of the present application is shown. Figure 4 The front view of the motor cover plate and the claw in an embodiment of the present application is shown. Figure 5 The assembly diagram of the quick release device based on the unmanned aerial vehicle system in an embodiment of the present application is shown.

[0018] Marked with reference numerals: 100, paddle; 200, motor cover plate; 210, opening part; 300, quick release device; 310, protruding piece; 320, clamping jaw; 330, top block; 340, clamping cavity; 350, paddle seat; 351, through hole; 360, top block seat; 370, extending interval part; 380, first connecting assembly; 381, first connecting piece; 382, upper cover plate; 383, second connecting piece; 384, lower cover plate; 385, button; 390, second connecting assembly; 391, locking cover plate; 392, elastic piece.

[0019] The following detailed description will further describe the present application with reference to the above mentioned drawings. DETAILED DESCRIPTION

[0020] For the purpose of promoting an understanding of the present application, the present application will now be described in greater detail with reference to the figures. Several embodiments of the present application are illustrated in the drawings. However, the present application can be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete. It will be apparent that the scope of the present application is not limited to the embodiments set forth herein.

[0021] It should be noted that when an element is referred to as being "on" another element, it can be directly on the other element or intervening elements can also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements can also be present. As used herein the terms "vertical", "horizontal", "left", "right" and the like are merely used for the purpose of illustration and description.

[0022] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in the description of the application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used herein, the term "and / or" includes any and all combinations of one or more of the associated listed items.

[0023] EMBODIMENT Referring to Figure 1 and Figure 5 As shown in the drawings, the quick release device 300 based on the unmanned aerial system in the embodiment of the present application is shown, the quick release device 300 is used for detachable connection of the paddle 100 and the motor cover plate 200 in the unmanned aerial system, it should be noted that in this example, the motor cover plate 200 belongs to a part of the power module in the unmanned aerial system, specifically, the power module can be a brushless motor, and the motor cover plate 200 is in the brushless motor.

[0024] To solve the existing propeller blade and power module connection method, has the installation efficiency is low, and the assembly process is prone to cause the propeller blade to appear pressing damage, and then reduce the flight performance technical problem, in this example, the quick release device 300 includes at least one protruding part 310 for detachable connection with the blade 100, at least one claw 320 for being arranged on the motor cover plate 200 and at least two top blocks 330 for being elastically connected with the motor cover plate 200; One end of the claw 320 is connected with the motor cover plate 200, and the other end extends at least partially towards the center of the motor cover plate 200, so that a clamping cavity 340 for clamping the protruding part 310 is formed between one end of the claw 320 and the motor cover plate 200; Wherein, the part position of the at least two top blocks 330 extends towards the opposite sides of the claw 320, so that when the protruding part 310 extends into the clamping cavity 340, the part position of the at least two top blocks 330 respectively abuts against the opposite sides of the protruding part 310, so as to limit the movement direction of the at least one protruding part 310 by the at least two top blocks 330 and the at least one claw 320.

[0025] In specific implementation, by the quick release device 300 including at least one protruding part 310 for detachable connection with the blade 100, at least one claw 320 for being arranged on the motor cover plate 200 and at least two top blocks 330 for being elastically connected with the motor cover plate 200, when assembling the blade 100 and the motor cover plate 200, the clamping cavity 340 for clamping the protruding part 310 is formed between one end of the claw 320 and the motor cover plate 200 in the present application, so that the protruding part 310 can enter the clamping cavity 340, the longitudinal movement of the protruding part 310 can be limited by the claw 320, and when the protruding part 310 enters the clamping cavity 340, the part position of the at least two top blocks 330 extends towards the opposite sides of the claw 320, so that the two top blocks 330 can limit the protruding part 310 in the clamping cavity 340, thereby limiting the transverse movement of the protruding part 310 by the two top blocks 330, the blade 100 can be quickly assembled on the motor cover plate 200 by limiting the transverse movement and longitudinal movement of the protruding part 310, thereby changing the existing installation method of the blade 100 and the motor cover plate 200, realizing the advantages of high efficiency installation and non-damage installation, and improving the flight performance and assembly reliability of the unmanned aerial vehicle system.

[0026] It also needs to be additionally explained that in some optional embodiments, some parts of the quick release device 300 shown in the present embodiment can use non-metal materials, which can also effectively reduce the weight of the unmanned aerial vehicle as a whole, improve the load and flight efficiency of the unmanned aerial vehicle, and reduce power consumption.

[0027] In addition, it should be noted that, in order to facilitate the assembly of the protruding piece 310 and the top block 330, in the present example, the quick release device 300 further comprises a paddle seat 350 and a top block seat 360, wherein the protruding piece 310 is arranged on the paddle seat 350 to be detachably connected with the paddle blade 100 through the paddle seat 350, and the top block 330 is arranged on the top block seat 360 to be elastically connected with the motor cover plate 200 through the top block seat 360.

[0028] Specifically, the protruding piece 310 can be integrally formed with the paddle seat 350 to ensure the rigid connection between the protruding piece 310 and the paddle seat 350, and the top block 330 can be integrally formed with the top block seat 360 to ensure the rigid connection between the top block 330 and the top block seat 360.

[0029] In view of the high-speed rotation of the paddle blade 100 during use of the unmanned aerial vehicle, in order to ensure the reliability of the assembly of the paddle blade 100 on the motor cover plate 200, in some preferred embodiments, the quick release device 300 further comprises a plurality of protruding pieces 310, a plurality of clamping claws 320, and a plurality of top blocks 330. Specifically, the plurality of protruding pieces 310 are arranged on the paddle seat 350 in a circumferential direction with the center of the paddle seat 350 as the origin, and the plurality of top blocks 330 are arranged on the top block seat 360 in a circumferential direction with the center of the top block seat 360 as the origin. The plurality of clamping claws 320 are arranged on the motor cover plate 200 in a circumferential direction, and each adjacent two clamping claws 320 have a spacing therebetween to form an insertion spacing portion 370 corresponding to each protruding piece 310, the insertion spacing portion 370 being used to communicate with the clamping cavity 340, so that when the protruding piece 310 is located in the insertion spacing portion 370, each protruding piece 310 is clamped with each clamping cavity 340 by rotating the protruding piece 310 in a forward / reverse direction. The part of each top block 330 is arranged to protrude towards each insertion spacing portion 370.

[0030] As shown in Figure 3 The plurality of clamping claws 320 can be integrally formed with the motor cover plate 200 to ensure the rigid connection between the clamping claw 320 and the motor cover plate 200. Through the arrangement of the plurality of protruding pieces 310, the plurality of clamping claws 320, and the plurality of top blocks 330, when the paddle blade 100 is assembled, each protruding piece 310 is inserted into the insertion spacing portion 370. At this time, each top block 330 moves towards the lower part of the motor cover plate 200 under pressure. Through the communication between the insertion spacing portion 370 and the clamping cavity 340, the protruding piece 310 is rotated to enter the clamping cavity 340, and the clamping is completed. At the same time, each top block 330 loses the pressure, and through the elastic action, each protruding piece 310 is limited in the clamping cavity 340, so that a plurality of connection points are formed between the paddle blade 100 and the motor cover plate 200, and the stability of the connection between the paddle blade 100 and the motor cover plate 200 is ensured.

[0031] It is also necessary to explain that, in order to ensure that each top block 330 can be extended towards the extension interval 370, in the embodiment, the motor cover plate 200 is provided with a plurality of opening portions 210, and each opening portion 210 is arranged opposite to each top block 330.

[0032] In addition, in order to facilitate the connection of the paddle seat 350 and the top block seat 360 with the paddle 100 and the motor cover plate 200 respectively, in the example, the quick release device 300 further includes a first connecting assembly 380 and a second connecting assembly 390. The paddle seat 350 is connected with the paddle 100 through one of the first connecting assembly 380 and the second connecting assembly 390, and the top block seat 360 is elastically connected with the motor cover plate 200 through the other one of the first connecting assembly 380 and the second connecting assembly 390.

[0033] Specifically, the paddle seat 350 is connected with the paddle 100 through the first connecting assembly 380, and the top block seat 360 is connected with the motor cover plate 200 through the second connecting assembly 390.

[0034] The first connecting assembly 380 includes an upper cover plate 382 with a plurality of first connecting pieces 381 and a lower cover plate 384 with a plurality of second connecting pieces 383. The upper cover plate 382 is arranged above the paddle 100, so that the plurality of first connecting pieces 381 are arranged from top to bottom through the paddle 100 and connected with the paddle seat 350, and the lower cover plate 384 is arranged below the paddle 100, so that the plurality of second connecting pieces 383 are arranged from bottom to top through the paddle seat 350 and the paddle 100 and connected with the upper cover plate 382, and a plurality of through holes 351 are arranged on the paddle seat 350, and a part of the plurality of through holes 351 are arranged opposite to the plurality of first connecting pieces 381, and another part of the plurality of through holes 351 are arranged opposite to the plurality of second connecting pieces 383.

[0035] It is necessary to explain that the first connecting piece 381 and the second connecting piece 383 can be composed of a bolt and a nut, and in the specific assembly, the upper cover plate 382 is first assembled above the paddle 100, so that the first connecting piece 381 can pass through the paddle 100 and be connected with the paddle seat 350, and then the lower cover plate 384 is assembled below the paddle 100, so that the second connecting piece 383 is arranged from bottom to top through the paddle seat 350 and the paddle 100 and connected with the upper cover plate 382, and through the double fixing effect of the upper cover plate 382 and the lower cover plate 384, the stability of the connection between the paddle seat 350 and the paddle 100 can be ensured.

[0036] Further, the first connecting piece 381 further includes a button 385 arranged on the upper cover plate 382. The second connecting member 383 is arranged to extend out of the upper cover plate 382 and is connected to the button 385. It is to be noted that the end surface of the button 385 can be arc-shaped, and in this example, the through hole 351 is a non-threaded hole, that is, the second connecting member 383 can pass through the paddle base 350 and be connected to the button 385.

[0037] The second connecting assembly 390 includes a locking cover plate 391 and an elastic member 392. The locking cover plate 391 is connected to the motor cover plate 200, and the locking cover plate 391 and the motor cover plate 200 have a cavity for the movement of the top block base 360. The elastic member 392 is arranged in the cavity and is connected to the top block base 360.

[0038] It is to be noted that the elastic member 392 in this example can be a compression spring, and the locking cover plate 391 can be detachably connected to the motor cover plate 200 by means of a plurality of screws.

[0039] In summary, in the quick release device 300 based on the unmanned aerial vehicle system provided in the embodiment, at least one protruding member 310 is arranged to be detachably connected to the paddle 100, at least one clamping jaw 320 is arranged on the motor cover plate 200, and at least two top blocks 330 are arranged to be elastically connected to the motor cover plate 200. When the paddle 100 is assembled with the motor cover plate 200, the clamping cavity 340 for clamping the protruding member 310 is formed between the end of the clamping jaw 320 and the motor cover plate 200 in the present application, so that the protruding member 310 can enter the clamping cavity 340. The longitudinal movement of the protruding member 310 can be limited by the clamping jaw 320. When the protruding member 310 enters the clamping cavity 340, the positions of the at least two top blocks 330 are arranged to extend towards the opposite sides of the clamping jaw 320, so that the two top blocks 330 can limit the protruding member 310 in the clamping cavity 340, thereby limiting the transverse movement of the protruding member 310 by the two top blocks 330. The paddle 100 can be quickly assembled on the motor cover plate 200 by limiting the transverse and longitudinal movements of the protruding member 310, thereby changing the existing installation mode of the paddle 100 and the motor cover plate 200, achieving the advantages of high efficiency and lossless installation, and improving the flight performance and assembly reliability of the unmanned aerial vehicle system.

[0040] In the description of the present specification, the description of the terms "one embodiment", "some embodiments", "an example", "a specific example", or "some examples" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0041] The above embodiments only express several implementation manners of the present application, which are described in a more specific and detailed manner, but cannot be understood as a limitation on the patent scope of the present application. It should be noted that, for those skilled in the art, several modifications and improvements can be made without departing from the concept of the present application, which are all within the protection scope of the present application. Therefore, the protection scope of the patent of the present application should be subject to the appended claims.

Claims

1. A quick release device based on unmanned aerial system, characterized in that, The quick release device is used for detachably connecting a propeller and a motor cover plate in a UAV system, and comprises at least one protruding piece for detachable connection with the propeller, at least one claw for being arranged on the motor cover plate, and at least two top blocks for being elastically connected with the motor cover plate. One end of the claw is used for connection with the motor cover plate, and the other end extends at least partially towards the center of the motor cover plate, so that a clamping cavity for clamping the protruding piece is formed between the one end of the claw and the motor cover plate. At least two of the top blocks are partially extended towards opposite sides of the claw, so that when the protruding piece extends into the clamping cavity, the partially extended top blocks are respectively abutted against opposite sides of the protruding piece, so as to limit the movement direction of the protruding piece by the at least two top blocks and the at least one claw.

2. The UAV system based quick release device of claim 1, wherein, The quick release device further comprises a propeller seat and a top block seat. The protruding piece is arranged on the propeller seat, so as to be detachably connected with the propeller through the propeller seat, and the top block is arranged on the top block seat, so as to be elastically connected with the motor cover plate through the top block seat.

3. The UAV system based quick release device of claim 2, wherein, The quick release device further comprises a plurality of protruding pieces, a plurality of claws, and a plurality of top blocks.

4. The UAV system based quick release device of claim 3, wherein, The plurality of protruding pieces are arranged on the propeller seat in a circumferential direction with the center of the propeller seat as a reference point, and the plurality of top blocks are arranged on the top block seat in a circumferential direction with the center of the top block seat as a reference point. The plurality of claws are arranged on the motor cover plate in a circumferential direction, and each adjacent two claws have a spacing therebetween, so as to form an extension spacing part corresponding to each protruding piece, the extension spacing part being used for communication with the clamping cavity, so that when the protruding piece is located in the extension spacing part, each protruding piece is clamped in each clamping cavity by forward / reverse rotation of the protruding piece. The partially extended top block is opposite to each extension spacing part.

5. The UAV system based quick release device of claim 4, wherein, The motor cover plate is provided with a plurality of opening parts, each of which is used for opposite arrangement with each top block.

6. The UAV system based quick release device of claim 2, wherein, The quick release device further comprises a first connecting assembly and a second connecting assembly. The propeller seat is connected with the propeller through one of the first connecting assembly and the second connecting assembly, and the top block seat is elastically connected with the motor cover plate through the other of the first connecting assembly and the second connecting assembly.

7. The UAV system based quick release device of claim 6, wherein, The propeller seat is connected with the propeller through the first connecting assembly. The first connecting assembly comprises an upper cover plate having a plurality of first connecting pieces and a lower cover plate having a plurality of second connecting pieces. The upper cover plate is arranged above the propeller, so that the plurality of first connecting pieces are arranged in the propeller and the propeller seat from top to bottom, and the lower cover plate is arranged below the propeller, so that the plurality of second connecting pieces are arranged in the propeller seat and the propeller from bottom to top and connected with the upper cover plate.

8. The UAV system-based quick release device of claim 7, wherein, The propeller seat is provided with a plurality of through holes, and a part of the through holes are opposite to the plurality of first connecting pieces, and the other part of the through holes are opposite to the plurality of second connecting pieces.

9. The UAV system-based quick release device of claim 7, wherein, The first connecting member further comprises a button arranged on the upper cover plate; At least part of the second connecting member is arranged to extend out of the upper cover plate and connect with the button.

10. The UAV system-based quick release device of claim 6, wherein, The top block seat is connected with the motor cover plate through the second connecting assembly; The second connecting assembly comprises a locking cover plate and an elastic member. The locking cover plate is connected with the motor cover plate. The locking cover plate and the motor cover plate have a cavity for the top block seat to move. The elastic member is arranged in the cavity and connected with the top block seat.

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