Power mechanism and unmanned aerial vehicle

Abstract

The embodiment of the utility model relates to the technical field of unmanned aerial vehicles, and particularly discloses a power mechanism and an unmanned aerial vehicle, the power mechanism comprises a driving piece, a fixing seat, a paddle assembly and a limiting assembly, the fixing seat is fixedly connected with the output end of the driving piece, the fixing seat is provided with a first sliding groove and a limiting groove, and the paddle assembly is arranged in the limiting groove. The paddle assembly comprises a mounting seat and paddles, the mounting seat is arranged in the first sliding groove, the mounting seat is provided with a second sliding groove, the second sliding groove is communicated with the limiting groove, the paddles are connected to the mounting seat, the limiting assembly is arranged in the second sliding groove, the limiting assembly is inserted into the limiting groove, and the paddle assembly is arranged in the second sliding groove. And the mounting seat is limited in the first sliding groove. By means of the mode, according to the embodiment of the utility model, the paddle assembly is arranged in the first sliding groove of the fixing seat, and the limiting assembly is inserted into the inserting groove of the fixing seat, so that the paddle assembly is conveniently and rapidly disassembled and assembled.

Description

Technical Field

[0001] The embodiment of the utility model relates to the technical field of unmanned aerial vehicles, and in particular to a power mechanism and an unmanned aerial vehicle. Background Art

[0002] Unmanned aerial vehicles are widely used in aerial photography, surveying and mapping, monitoring, inspection, plant protection and other fields. Unmanned aerial vehicles are powered by power mechanisms to achieve flight.

[0003] However, in the process of implementing the embodiment of the utility model, the inventor found that: currently, the power mechanism includes a driving member, a mounting seat and a blade, the mounting seat is connected and fixed to the driving member, and the blade is connected and fixed to the mounting seat by bolts. When the unmanned aerial vehicle is not flying, in order to reduce space occupation, the blade is usually removed from the unmanned aerial vehicle, and then installed on the mounting seat before flying. Since the blade is fixed to the mounting seat by bolts, it is inconvenient to disassemble and assemble. Utility Model Content

[0004] The main technical problem solved by the utility model is to provide a power mechanism and an unmanned aerial vehicle, by arranging the blade assembly in the first slide groove of the fixing seat and inserting the limit assembly into the slot of the fixing seat, so as to facilitate and quickly disassemble and assemble the blade assembly.

[0005] To solve the above technical problems, a technical solution adopted by the utility model is: to provide a power mechanism, including a driving member, a fixing seat, a blade assembly and a limiting assembly, the fixing seat is connected and fixed to the output end of the driving member, the fixing seat is provided with a first slide groove and a limiting groove, the blade assembly includes a mounting seat and a blade, the mounting seat is arranged in the first slide groove, the mounting seat is provided with a second slide groove, the second slide grooves are respectively connected to the limiting grooves, the blades are connected to the mounting seat, the limiting assembly is arranged in the second slide groove, and the limiting assembly is inserted in the limiting groove so that the mounting seat is limited to the first slide groove, wherein under the action of external force, the limiting assembly is pushed to slide along the second slide groove so that the limiting assembly is disengaged from the limiting groove, and after the limiting assembly is disengaged from the limiting groove, the mounting seat is slid out of the first slide groove.

[0006] Optionally, the limiting assembly includes a limiting member, the limiting member includes a limiting portion and a handle portion, the mounting seat is provided with a first opening, the first opening is connected to the second slide groove, the limiting portion is arranged in the second slide groove, and the limiting portion is inserted into the limiting groove, the handle portion is arranged at the first opening, and the handle portion is connected to the limiting portion.

[0007] Optionally, the limiting assembly includes an elastic member, and two ends of the elastic member respectively abut against a surface of the limiting portion facing away from the limiting groove and a wall surface of the second sliding groove facing the limiting groove.

[0008] Optionally, a first receiving groove is provided on the surface of the limiting portion facing away from the limiting groove, and a second receiving groove is provided on the wall surface of the second sliding groove facing the limiting groove, and the two ends of the elastic member are respectively received in the first receiving groove and the second receiving groove, and the two ends of the elastic member respectively abut against the bottom of the first receiving groove and the bottom of the second receiving groove.

[0009] Optionally, the mounting seat is provided with a sliding portion, and the sliding portion is arranged in the first sliding groove.

[0010] Optionally, the mounting seat is provided with a sliding portion, and the sliding portion is arranged in the first sliding groove.

[0011] Optionally, a first positioning column is provided at the output end of the driving member, and a first positioning hole is provided at the fixing seat, and the first positioning column is plugged into the first positioning hole.

[0012] Optionally, the blade assembly includes a pressure plate and a locking member, and the locking member connects and fixes the pressure plate, the blade and the mounting seat.

[0013] Optionally, the mounting seat is provided with a second positioning column, the blade is provided with a second positioning hole, and the second positioning column is plugged into the second positioning hole.

[0014] In order to solve the above technical problems, another technical solution adopted by the present invention is: to provide an unmanned aerial vehicle, including the above power mechanism.

[0015] In an embodiment of the utility model, a power mechanism includes a driving member, a fixed seat, a blade assembly and a limit groove, the fixed seat is connected and fixed to the output end of the driving member, the fixed seat is provided with a first slide groove and a limit groove, the blade assembly includes a mounting seat and a blade, the mounting seat is arranged in the first slide groove, the mounting seat is provided with a second slide groove, the second slide grooves are respectively connected to the limit grooves, the blade is connected to the mounting seat, the limit groove is arranged in the second slide groove, and the limit groove assembly is inserted in the limit groove so that the mounting seat is limited to the first slide groove, wherein, under the action of external force, the limit groove assembly is pushed to slide along the second slide groove so that the limit groove assembly is disengaged from the limit groove, and after the limit groove assembly is disengaged from the limit groove, the mounting seat is slid out of the first slide groove. During disassembly, slide the limiting assembly along the second slide groove to disengage from the limiting groove, and then slide the blade assembly out of the first slide groove to remove the blade assembly from the fixing seat. During installation, insert the blade assembly into the first slide groove, and then insert the limiting assembly into the limiting groove to confine the blade assembly in the first slide groove, thereby facilitating and quickly disassembling and assembling the blade assembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required for use in the embodiments of the present application will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on the drawings without paying creative work.

[0017] Figure 1 It is a structural schematic diagram of the power mechanism provided by the embodiment of the utility model;

[0018] Figure 2 It is a schematic diagram of the structural explosion of the power mechanism provided by the embodiment of the utility model;

[0019] Figure 3 It is a structural schematic diagram of a mounting seat of a blade assembly of a power mechanism provided by an embodiment of the utility model;

[0020] Figure 4 It is a structural schematic diagram of a limit assembly of a power mechanism provided in an embodiment of the utility model.

[0021] Description of reference numerals:

[0022] 100. Power mechanism;

[0023] 1. driving member; 11. first positioning column;

[0024] 2. Fixed seat; 21. First slide groove; 22. Limiting groove; 23. First positioning hole; 24. Second opening 24;

[0025] 3. Paddle assembly; 31. Mounting seat; 311. Second slide slot; 312. First opening; 313. Second receiving slot; 314. Sliding portion; 315. Second positioning column; 316. First weight-reducing slot; 317. Second weight-reducing slot; 318. Screw hole; 32. Paddle; 321. Second positioning hole; 322. First through hole; 33. Press plate; 331. Second through hole; 34. Locking member;

[0026] 4. Limiting assembly; 41. Limiting member; 411. Limiting portion; 4111. First receiving groove; 4112. Weight reduction hole; 412. Handle portion; 42. Elastic member. DETAILED DESCRIPTION

[0027] In order to facilitate the understanding of the utility model, the utility model is described in more detail below in conjunction with the accompanying drawings and specific embodiments. It should be noted that when an element is described as "locked to" another element, it can be directly on the other element, or there can be one or more centered elements between them. When an element is described as "connected to" another element, it can be directly connected to the other element, or there can be one or more centered elements between them. The terms "vertical", "horizontal", "left", "right" and similar expressions used in this specification are for illustrative purposes only.

[0028] Unless otherwise defined, all technical and scientific terms used in this specification have the same meaning as those commonly understood by technicians in the technical field of the present invention. The terms used in this specification are only for the purpose of describing specific embodiments and are not used to limit the present invention. The term "and / or" used in this specification includes any and all combinations of one or more related listed items.

[0029] See also Figure 1 The power mechanism 100 includes a driving member 1, a fixing seat 2, a blade assembly 3 and a limiting assembly 4. The fixing seat 2 is connected and fixed to the output end of the driving member 1. The blade assembly 3 is arranged on the fixing seat 2, and the blade assembly 3 is used to provide flight power when rotating. The limiting assembly 4 is arranged on the fixing seat 2 and the blade assembly 3, and the limiting assembly 4 limits the blade assembly 3 to the fixing seat 2. Among them, the driving member 1 is used to drive the fixing seat 2 to drive the blade assembly 3 to rotate.

[0030] For the above drive 1, see Figure 2 A first positioning column 11 is provided at the output end of the driving member 1 .

[0031] In some embodiments, the driving member 1 is a motor.

[0032] For the above mount 2, see Figure 2The fixing seat 2 is provided with a first slide groove 21, a limiting groove 22 and a first positioning hole 23. The first slide groove 21 runs through the fixing seat 2, and the first slide groove 21 is provided for the blade assembly 3. The limiting groove 22 is provided at the bottom of the first slide groove 21, the limiting groove 22 is communicated with the first slide groove 21, and the limiting groove 22 is provided for the limiting assembly 4 to be inserted. The first positioning hole 23 is provided at the bottom of the first slide groove 21, the first positioning hole 23 is communicated with the first slide groove 21, and the first positioning hole 23 is provided for the first positioning column 11 to position the fixing seat 2 and the driving member 1, so as to facilitate the connection and fixing of the fixing seat 2 and the driving member 1.

[0033] For paddle assembly 3 above, see Figure 3 and Figure 4 The blade assembly 3 includes a mounting seat 31, a blade 32, a pressure plate 33 and a locking member 34. The mounting seat 31 is arranged in the first slide groove 21, and the mounting seat 31 can slide along the first slide groove 21. The blade 32 is arranged on the mounting seat 31, and the blade 32 is used to provide flight power when rotating. The pressure plate 33 is arranged on the blade 32. The locking member 34 is connected to the pressure plate 33, the blade 32 and the mounting seat 31, and the pressure plate 33, the blade 32 and the mounting seat 31 are connected and fixed, and the locking force of the locking member 34 is dispersed by the pressure plate 33 to prevent the locking member 34 from locking and damaging the blade 32. By arranging the mounting seat 31 in the first slide groove 21, and the locking member 34 connecting and fixing the pressure plate 33, the blade 32 and the mounting seat 31, it is convenient to quickly disassemble and assemble the blade assembly 3 and the fixing seat 2.

[0034] The mounting seat 31 is provided with a second slide groove 311, a first opening 312, a second receiving groove 313, a sliding portion 314 and a second positioning column 315. The second slide groove 311 is connected to the limiting groove 22, and the second slide groove 311 is provided for the limiting assembly 4. The first opening 312 is connected to the second slide groove 311. The second receiving groove 313 is provided on the wall surface of the second slide groove 311 facing the limiting groove 22, and the second receiving groove 313 is used to accommodate part of the limiting assembly 4. The sliding portion 314 is provided in the first slide groove 21, and the sliding portion 314 can slide along the first slide groove 21. The second positioning column 315 is convexly provided on the surface of the mounting seat 31 facing away from the fixing seat 2.

[0035] In some embodiments, the mounting base 31 is provided with a first weight-reducing groove 316 and a second weight-reducing groove 317 to reduce the weight of the mounting base 31 .

[0036] The blade 32 is provided with a second positioning hole 321 , and the second positioning column 315 is inserted into the second positioning hole 321 to position the blade 32 and the mounting seat 31 .

[0037] In some embodiments, the locking member 34 is a bolt, the mounting seat 31 is provided with a screw hole 318, the blade 32 is provided with a first through hole 322, the pressure plate 33 is provided with a second through hole 331, and the bolt passes through the second through hole 331 and the first through hole 322 and is screwed into the screw hole 318.

[0038] For the above limiter assembly 4, please refer to Figure 4 The limiting assembly 4 includes a limiting member 41 and an elastic member 42. The limiting member 41 is disposed at the second slide groove 311 and the first opening 312, and the limiting member 41 is inserted into the limiting groove 22, and the limiting member 41 can slide along the second slide groove 311. One end of the elastic member 42 abuts against the limiting member 41, and the other end of the elastic member 42 is received in the second receiving groove 313, and the other end of the elastic member 42 abuts against the bottom of the second receiving groove 313 to apply a force to the limiting member 41, so that the limiting member 41 is inserted into the limiting groove 22.

[0039] In some embodiments, the elastic member 42 is a spring.

[0040] The limiting member 41 includes a limiting portion 411 and a handle portion 412. The limiting portion 411 is disposed in the second slide groove 311, and one end of the limiting portion 411 is inserted into the limiting groove 22 so that the mounting seat 31 is limited in the first slide groove 21. The surface of the limiting portion 411 facing away from the limiting groove 22 is provided with a first receiving groove 4111, and the first receiving groove 4111 receives one end of the elastic member 42, and the bottom of the first receiving groove 4111 abuts against one end of the elastic member 42. The handle portion 412 is disposed at the first opening 312, and the handle portion 412 is connected to the limiting portion 411, and the handle portion 412 is used to facilitate the user to lift the limiting member 41 so that the limiting portion 411 is separated from the limiting groove 22.

[0041] In some embodiments, in order to reduce the weight of the limiting portion 411 , the limiting portion 411 is provided with a weight-reducing hole 4112 .

[0042] In some embodiments, the number of the limiting assembly 4, the second slide groove 311, the first opening 312 and the limiting groove 22 are all two. A second slide groove 311 and a first opening 312 are both arranged on one side of the mounting seat 31, another second slide groove 311 and another first opening 312 are both arranged on the other side of the mounting seat 31, a limiting groove 22 is arranged on one side of the fixing seat 2, another limiting groove 22 is arranged on the other side of the fixing seat 2, a limiting assembly 4 is arranged on a second slide groove 311 and a first opening 312, and is plugged into a limiting groove 22. In order to facilitate the disassembly and assembly of the blade assembly 3, a second opening 24 is arranged on the wall surface of the limiting groove 22, and the second opening 24 is connected to the limiting groove 22, and the limiting portion 411 can slide out of the limiting groove 22 through the second opening 24.

[0043] In the embodiment of the utility model, the power mechanism 100 includes a driving member 1, a fixing seat 2, a blade assembly 3 and a limiting assembly 4. The fixing seat 2 is connected and fixed to the output end of the driving member 1. The fixing seat 2 is provided with a first slide groove 21 and a limiting groove 22. The blade assembly 3 includes a mounting seat 31 and a blade 32. The mounting seat 31 is arranged on the first slide groove 21. The mounting seat 31 is provided with a second slide groove 311. The second slide groove 311 is respectively connected to the limiting groove 22. The blade 32 is connected to the mounting seat 31. The limiting assembly 4 is arranged on the second slide groove 311, and the limiting assembly 4 is inserted into the limiting groove 22 so that the mounting seat 31 is fixed in the first slide groove 21. Under the action of external force, the limiting assembly 4 is pushed to slide along the second slide groove 311 so that the limiting assembly 4 is disengaged from the limiting groove 22. After the limiting assembly 4 is disengaged from the limiting groove 22, the mounting seat 31 slides out of the first slide groove 21. During disassembly, slide the limit assembly 4 along the second slide groove 311 to disengage from the limit groove 22, and then slide the blade assembly 3 out of the first slide groove 21 to remove the blade assembly 3 from the fixing seat 2. During installation, insert the blade assembly 3 into the first slide groove 21, and then insert the limit assembly 4 into the limit groove 22 to confine the blade assembly 3 in the first slide groove 21, thereby facilitating and quickly disassembling and assembling the blade assembly 3.

[0044] The utility model further provides an unmanned aerial vehicle embodiment, the unmanned aerial vehicle includes the above-mentioned power mechanism 100. The structure and function of the power mechanism 100 can be referred to the above-mentioned embodiment, and will not be described in detail here.

[0045] It should be noted that the preferred embodiments of the utility model are given in the specification and drawings of the utility model, but the utility model can be implemented in many different forms and is not limited to the embodiments described in the specification. These embodiments are not used as additional restrictions on the content of the utility model. The purpose of providing these embodiments is to make the understanding of the disclosure of the utility model more thorough and comprehensive. In addition, the above-mentioned technical features continue to be combined with each other to form various embodiments not listed above, which are all regarded as the scope of the description of the utility model; further, for ordinary technicians in this field, they can be improved or transformed according to the above description, and all these improvements and transformations should belong to the scope of protection of the claims attached to the utility model.

Claims

1. A power mechanism, characterized in that: include: Driving parts; A fixed seat, connected and fixed to the output end of the driving member, the fixed seat being provided with a first sliding groove and a limiting groove; A blade assembly, comprising a mounting seat and a blade, wherein the mounting seat is arranged on the first slide groove, the mounting seat is provided with a second slide groove, the second slide grooves are respectively connected to the limiting grooves, and the blade is connected to the mounting seat; A limiting component is arranged in the second slide groove, and the limiting component is inserted into the limiting groove so that the mounting seat is limited in the first slide groove; Wherein, under the action of external force, the limiting component is pushed to slide along the second sliding groove so that the limiting component is separated from the limiting groove. After the limiting component is separated from the limiting groove, the mounting seat is slid out of the first sliding groove.

2. The power mechanism according to claim 1, characterized in that: The limiting assembly includes a limiting member, and the limiting member includes a limiting portion and a handle portion. The mounting seat is provided with a first opening, and the first opening is connected to the second slide groove. The limiting portion is arranged in the second slide groove, and the limiting portion is inserted into the limiting groove. The handle portion is arranged at the first opening, and the handle portion is connected to the limiting portion.

3. The power mechanism according to claim 2, characterized in that: The limiting assembly comprises an elastic member, and two ends of the elastic member respectively abut against a surface of the limiting portion facing away from the limiting groove and a wall surface of the second sliding groove facing the limiting groove.

4. The power mechanism according to claim 3, characterized in that: A first receiving groove is arranged on the surface of the limiting portion facing away from the limiting groove, and a second receiving groove is arranged on the wall surface of the second sliding groove facing the limiting groove. Both ends of the elastic member are respectively accommodated in the first receiving groove and the second receiving groove, and both ends of the elastic member respectively abut against the bottom of the first receiving groove and the bottom of the second receiving groove.

5. The power mechanism according to claim 1, characterized in that: There are two of each of the limiting assembly, the second sliding slot and the limiting slot, one limiting assembly is arranged in one of the second sliding slots, and one limiting assembly is inserted in one of the limiting slots.

6. The power mechanism according to claim 1, characterized in that: The mounting seat is provided with a sliding portion, and the sliding portion is arranged in the first sliding groove.

7. The power mechanism according to claim 1, characterized in that: The output end of the driving member is provided with a first positioning column, the fixing seat is provided with a first positioning hole, and the first positioning column is inserted into the first positioning hole.

8. The power mechanism according to any one of claims 1 to 7, characterized in that: The blade assembly includes a pressing plate and a locking member, and the locking member connects and fixes the pressing plate, the blade and the mounting seat.

9. The power mechanism according to claim 8, characterized in that: The mounting seat is provided with a second positioning column, the blade is provided with a second positioning hole, and the second positioning column is plugged into the second positioning hole.

10. An unmanned aerial vehicle, characterized in that: Comprising a power mechanism as described in any one of claims 1-9.

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