CN216709632U - Rotor and unmanned aerial vehicle - Google Patents
Rotor and unmanned aerial vehicle Download PDFInfo
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- CN216709632U CN216709632U CN202122826761.0U CN202122826761U CN216709632U CN 216709632 U CN216709632 U CN 216709632U CN 202122826761 U CN202122826761 U CN 202122826761U CN 216709632 U CN216709632 U CN 216709632U
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Abstract
The utility model discloses a rotor and an unmanned aerial vehicle, wherein the rotor comprises a rotor locking mechanism and a rotor body, the rotor locking mechanism is arranged on the periphery of the rotor body, and the rotor locking mechanism comprises: the rotor wing body comprises a vertical motor and a rotating disc arranged on the vertical motor, and the rotating disc is driven by the vertical motor to rotate; the rotor locking mechanism includes: the brake device comprises a brake base, a direct current motor and a connecting rod mechanism, wherein the direct current motor and the connecting rod mechanism are arranged on the brake base, and the direct current motor can drive the extension on the connecting rod mechanism to hook and clamp the side face of the rotating disc. According to the embodiment of the utility model, the rotor wing locking mechanism is arranged on the periphery of the rotor wing, so that the maintenance is convenient, and the convenience is good.
Description
Technical Field
The utility model relates to the technical field of unmanned aerial vehicles, and particularly relates to a rotor wing and an unmanned aerial vehicle.
Background
With the development of unmanned aerial vehicle technology, especially the rapid development of unmanned helicopter, its application face is wider and wider, shows indispensable importance in civilian field and military field.
However, when the pilotless helicopter works in the air, the engine drives the rotary wing to rotate at a very high speed, the transverse sweeping area of the rotary wing is large, and the inertia of the helicopter body and the rotary wing is large in the movement process. The existing brake pad is generally designed in an integral manner, and after the brake pad is used for a long time, the brake pad is abraded greatly and needs to be replaced, but the integral type brake pad is complex in disassembly and assembly steps, long in disassembly and assembly time and low in working efficiency.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior art, and provides a rotor wing and an unmanned aerial vehicle.
In order to solve the above technical problem, an embodiment of the present invention provides a rotor including a rotor locking mechanism and a rotor body, the rotor locking mechanism being disposed on an outer periphery of the rotor body, wherein:
the rotor wing body comprises a vertical motor and a rotating disc arranged on the vertical motor, and the rotating disc is driven by the vertical motor to rotate;
the rotor locking mechanism includes: the brake base, direct current motor and link mechanism, direct current motor with link mechanism sets up on the brake base, direct current motor can drive the extension on the link mechanism and collude the card in the side of rolling disc.
In a preferred embodiment of the present invention, the side surface of the rotating disc has more than one slot, and the extending hook of the direct current motor-driven link mechanism is clamped on the slot of the rotating disc.
In a preferred aspect of the present invention, the link mechanism includes: the direct current motor is connected to one end of the rocker arm, the connecting rod is connected to the other end of the rocker arm, one end of the connecting rod is connected to the rocker arm, and the other end of the connecting rod is connected to the extension hook.
In a preferred embodiment of the present invention, the extension hook includes: the brake base comprises a first extension arm, a second extension arm and a third extension arm, wherein one end of the first extension arm is hinged to the brake base, and the other end of the first extension arm is connected with the second extension arm; one end of the second extension arm is connected with the first extension arm, and the other end of the second extension arm is driven by the direct current motor and can be clamped on the clamping groove; one end of the third extension arm is connected with the arm part of the first extension arm, and the other end of the third extension arm is connected with the arm part of the second extension arm.
In a preferred embodiment of the present invention, the first extension arm and the second extension arm intersect to form an acute angle, and the second extension arm extends from a connection point with the first extension arm to the slot in a straight line or an arc line.
In a preferred aspect of the present invention, the link includes: the connecting arm with be located first connecting axle and the second connecting axle on the connecting arm, the connecting rod is connected based on first connecting axle on the connecting hole of rocking arm, the connecting rod is connected based on the second connecting axle on the connecting hole that the extension colluded.
In a preferred aspect of the present invention, the brake base includes: gatepost and hinge structure, the first extension arm that the extension colluded with hinge structure is articulated, be provided with the extension on the gatepost and collude the through-hole that passes through, the second extension arm that the extension colluded passes the through-hole of gatepost.
In a preferred scheme of the utility model, the locking mechanism further comprises a top cover, and the top cover is fixedly connected to the brake base.
In a preferred embodiment of the present invention, the rotor further includes a propeller, and the propeller is sleeved above the rotating disc.
Correspondingly, the utility model further provides an unmanned aerial vehicle which comprises the rotor wing.
According to the rotor wing and the unmanned aerial vehicle provided by the embodiment of the utility model, the rotor wing locking mechanism is arranged on the periphery of the rotor wing, so that the maintenance is convenient, and the unmanned aerial vehicle has good convenience; the brake disc is arranged below the rotor wing, so that the brake disc can be better replaced, and the maintenance efficiency is improved; the brake disc is provided with a groove, the outer edge of the brake disc adopts a spiral design, and the outer edge of the brake disc is guided to the groove, so that the brake disc has good brake performance; the design method of the rotor wing of the outer locking mechanism guarantees firm and reliable structure and simultaneously considers the convenience of disassembly and assembly, and the design of small and concise size reduces the volume and the weight.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural view of a rotor according to an embodiment of the present invention.
Figure 2 is a schematic structural view of a rotor locking mechanism of an embodiment of the present invention.
Fig. 3 is a schematic structural diagram of a dc motor and a link mechanism according to an embodiment of the utility model.
FIG. 4 is a schematic structural diagram of a brake base according to an embodiment of the present invention.
The labels in the figure are: 60-rotor body, 61-rotating disc, 611-groove, 62-propeller, 70-rotor locking mechanism, 71-top cover, 72-brake base, 721-door column, 722-hinge structure, 723-motor groove, 724-upright column, 725-hollowed out, 726-fixed block, 73-direct current motor, 74-rocker arm, 75-connecting rod, 76-extending hook, 761-first extending arm, 762-second extending arm, 763-third extending arm.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and 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, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Examples
Fig. 1 shows a schematic structural view of a rotor according to an embodiment of the present invention, which includes a rotor lock mechanism 70 and a rotor body 60, the rotor lock mechanism 70 being disposed on the outer periphery of the rotor body 60, wherein: the rotor body 60 comprises a propeller 62, a vertical motor and a rotating disc 61 arranged on the vertical motor, the rotating disc 61 is driven by the vertical motor to rotate, and the propeller 62 is sleeved above the rotating disc 61. The rotor wing locking mechanism 70 is arranged on the periphery of the rotor wing, so that the rotor wing locking mechanism 70 can be directly maintained without disassembling the rotor wing, and the rotor wing locking mechanism has good convenience; this rolling disc 61 sets up under the rotor of rotor body 60, and it can replace rolling disc 61 to pull down screw 62, has avoided dismantling complicated rotor, and is very convenient.
Fig. 2 shows a schematic structural diagram of a rotor locking mechanism of an embodiment of the present invention, and fig. 3 shows a schematic structural diagram of a dc motor and link mechanism of an embodiment of the present invention, the rotor locking mechanism including: the brake device comprises a brake base 72, a direct current motor 73 and a link mechanism, wherein the direct current motor 73 and the link mechanism are arranged on the brake base 72, and the direct current motor 73 can drive an extension hook 76 on the link mechanism to be clamped on the side surface of the rotating disc 61. This rotor locking mechanical system 70 sets up the side at the rotor, and direct current motor 73 can drive link mechanism's extension collude 76 and move to the rolling disc 61 side for the extension colludes 76 and rolling disc 61 joint contact and brake, the realization is to the locking of rotor.
The link mechanism includes: the direct current motor 73 is connected to one end of the rocker arm 74, the connecting rod 75 is connected to the other end of the rocker arm 74, one end of the connecting rod 75 is connected to the rocker arm 74, and the other end of the connecting rod 75 is connected to the extending hook 76. Specifically, the link 75 includes: the connecting arm and be located the first connecting axle and the second connecting axle on the connecting arm, connecting rod 75 is based on first connecting axle connect in on the connecting hole of rocking arm 74, connecting rod 75 is based on the second connecting axle connect in extend the connecting hole of colluding 76. The rocker arm 74 is connected with the direct current motor 73 to achieve transmission connection, the connecting rod 75 is in transmission connection with the rocker arm 74 based on a first connecting shaft, the connecting rod 75 is in transmission connection with the extension hook 76 based on a second connecting shaft, the connecting rod 75, the rocker arm 74 and the extension hook 76 are linked, and the direct current motor 73 drives the rocker arm 74 to achieve extension or retraction of the extension hook 76.
It should be noted that the extension hook 76 includes: a first extension arm 761, a second extension arm 762 and a third extension arm 763, wherein one end of the first extension arm 761 is hinged to the brake base 72, and the other end of the first extension arm 761 is connected to the second extension arm 762; one end of the second extension arm 762 is connected to the first extension arm 761, and the other end of the second extension arm 762 is driven by the dc motor 73 to be clamped on the clamping slot; one end of the third extension arm 763 is connected to the arm portion of the first extension arm 761, and the other end of the third extension arm 763 is connected to the arm portion of the second extension arm 762. The arm portion of the first extension arm 761 refers to a portion of the first extension arm 761 other than two ends, i.e., a middle portion of the first extension arm 761 other than two ends; the arm portion of the second extension arm 762 refers to a portion of the second extension arm 762 other than both ends thereof, i.e., a middle portion of the second extension arm 762 other than both ends thereof. Specifically, the first extension arm 761 and the second extension arm 762 intersect to form an acute angle, and the second extension arm 762 extends from a connection point with the first extension arm 761 to the slot in a straight line or an arc line. A connecting hole on the third extension arm 763 is connected with the second connecting shaft of the connecting rod 75 to realize structural connection; the direct current motor 73 drives the link mechanism, the power is transmitted from the rocker arm 74 to the link 74, and then transmitted from the link 75 to the extension hook 76, because the first extension arm 761 is hinged with the brake base 72, the second extension arm 762 makes a circular motion with the hinge structure of the brake base 72 as a circle center, and finally the second extension arm 762 is clamped on the side surface of the rotating disc 61, that is, the direct current motor 73 can drive the extension hook 76 on the link mechanism to be clamped on the side surface of the rotating disc 61.
Fig. 4 shows a schematic structural diagram of a brake base according to an embodiment of the present invention, where the brake base 72 includes: the first extension arm 761 of the extension hook 76 is hinged to the hinge structure 722, a through hole through which the extension hook 76 passes is formed in the doorpost 721, and the second extension arm 762 of the extension hook 76 passes through the through hole of the doorpost 721. Specifically, the lower end of the door post 721 is hollow 725, the hinge structure 722 is disposed at the edge of the hollow 725, the direction of the through hole is toward the hinge structure 722, and the through hole limits the extension hook 76 to prevent the extension hook 76 from losing its function when swinging; the hollow 725 facilitates the installation of the extension hook 76, the second extension arm 762 of the extension hook 76 first passes through the through hole, and the first extension arm 761 is installed on the hinge structure 722, so as to complete the installation of the extension hook 76 on the brake base 72.
The brake bottom plate is provided with a motor groove 723 for mounting the direct current motor 73, two fixing blocks 726 are arranged beside the motor groove 723, the direct current motor 73 can be fixed on the fixing blocks 726 through screws, the motor groove 723 limits the direct current motor 73, and the fixing blocks 726 fix the direct current motor 73 on the motor groove through screws; the brake base is provided with a plurality of upright posts 724, the upright posts 724 are positioned at two sides of the connecting rod 75, a gap is formed between the upright posts 724, and the connecting rod 75 is clamped on the gap for limiting, so that the connecting rod 75 moves along the axial direction of the gap to prevent the connecting rod 75 from being separated.
Rotor locking mechanical system 70 is provided with the cooperation top cap 71 of brake base 72, and top cap 71 is fixed on brake base 72, and the fixed mode can be screw and bolt etc.. The direct current motor 73, the rocker arm 74, the extension hook 76 and the connecting rod 75 are arranged between the top cover 71 and the brake base 72, the top cover 71 protects the direct current motor 73, the rocker arm 74, the extension hook 76, the connecting rod 75 and other structures, and damage rate is reduced. It should be noted that the side surface of the rotating disc 61 has more than one slot, and the direct current motor 73 can drive the extending hook 76 on the link mechanism to be clamped on the slot of the rotating disc 61. The rotating disc 61 of the present invention is provided with two grooves 611 for engaging with the extending hooks 76. Specifically, the outer edge of the rotating disc 61 is spirally guided to the groove 611. When the extension hook 76 extends out, the extension hook 76 guides the groove 611 along the outer edge of the rotating disc 61, and the extension hook 76 is clamped in the groove 611 to complete braking of the rotor, so that self-locking of the rotor is realized.
Extend collude 76 brake base 72 the rocking arm 74 extend collude 76 with connecting rod 75 adopts carbon fiber material, and carbon fiber material has characteristics such as high temperature resistant, antifriction and corrosion-resistant, and rotor locking mechanical system 70 adopts carbon fiber material, has good high temperature resistant, antifriction and corrosion-resistant when weight is lighter, can adapt to multiple weather environment.
According to the rotor wing of the outer locking mechanism provided by the embodiment of the utility model, the rotor wing locking mechanism 70 is arranged on the periphery of the rotor wing, so that the maintenance is convenient, and the rotor wing has good convenience; the rotating disc 61 is arranged below the rotor wing, so that better replacement can be realized, and the maintenance efficiency is improved; the rotating disc 61 is provided with a groove 611, the outer edge of the rotating disc 61 adopts a spiral design, and the outer edge of the rotating disc 61 guides the groove 611, so that the brake performance is good; the design method of the rotor wing of the outer locking mechanism guarantees firm and reliable structure and simultaneously considers the convenience of disassembly and assembly, and the design of small and concise size reduces the volume and the weight.
Correspondingly, a drone is also provided, comprising the rotor of figures 1 to 4. The rotor wing has the same structure, function and effect as the rotor wing; therefore, the design method of the rotor wing of the unmanned aerial vehicle guarantees firm and reliable structure and simultaneously considers the convenience of disassembly and assembly, and the design of small and concise size reduces the volume and also lightens the weight.
The above embodiments of the present invention are described in detail, and the principle and the implementation manner of the present invention should be described herein by using specific embodiments, and the above description of the embodiments is only used to help understanding the method of the present invention and the core idea thereof; meanwhile, for a person skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.
Claims (10)
1. A rotor, characterized in that, the rotor includes rotor locking mechanical system and rotor body, rotor locking mechanical system sets up in the periphery of rotor body, wherein:
the rotor wing body comprises a vertical motor and a rotating disc arranged on the vertical motor, and the rotating disc is driven by the vertical motor to rotate;
the rotor locking mechanism includes: the brake device comprises a brake base, a direct current motor and a connecting rod mechanism, wherein the direct current motor and the connecting rod mechanism are arranged on the brake base, and the direct current motor can drive the extension on the connecting rod mechanism to hook and clamp the side face of the rotating disc.
2. The rotary wing according to claim 1, wherein the side of the rotary disk has more than one slot, and the extended hook of the link mechanism driven by the DC motor is clamped on the slot of the rotary disk.
3. A rotor as claimed in claim 1, wherein the linkage comprises: the direct current motor is connected to one end of the rocker arm, the connecting rod is connected to the other end of the rocker arm, one end of the connecting rod is connected to the rocker arm, and the other end of the connecting rod is connected to the extension hook.
4. A rotor as claimed in claim 2, wherein said extension hook comprises: the brake base comprises a first extension arm, a second extension arm and a third extension arm, wherein one end of the first extension arm is hinged to the brake base, and the other end of the first extension arm is connected with the second extension arm; one end of the second extension arm is connected with the first extension arm, and the other end of the second extension arm is driven by the direct current motor to be clamped on the clamping groove; one end of the third extension arm is connected with the arm part of the first extension arm, and the other end of the third extension arm is connected with the arm part of the second extension arm.
5. The rotor as recited in claim 4, wherein the first extension arm and the second extension arm intersect to form an acute angle, the second extension arm extending from a junction with the first extension arm in a straight line or an arc toward the slot.
6. A rotor as claimed in claim 3, wherein said link comprises: the connecting arm with be located first connecting axle and the second connecting axle on the connecting arm, the connecting rod is connected based on first connecting axle on the connecting hole of rocking arm, the connecting rod is connected based on the second connecting axle on the connecting hole that the extension colluded.
7. A rotor as claimed in claim 1, wherein said brake base comprises: gatepost and hinge structure, the first extension arm that the extension colluded with hinge structure is articulated, be provided with the extension on the gatepost and collude the through-hole that passes through, the second extension arm that the extension colluded passes the through-hole of gatepost.
8. The rotor of claim 1, wherein the locking mechanism further comprises a top cover secured to the brake base.
9. The rotor of claim 1, further comprising a propeller journalled on the rotating disk.
10. A drone, characterized in that it comprises a rotor according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122826761.0U CN216709632U (en) | 2021-11-17 | 2021-11-17 | Rotor and unmanned aerial vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122826761.0U CN216709632U (en) | 2021-11-17 | 2021-11-17 | Rotor and unmanned aerial vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216709632U true CN216709632U (en) | 2022-06-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122826761.0U Active CN216709632U (en) | 2021-11-17 | 2021-11-17 | Rotor and unmanned aerial vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216709632U (en) |
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2021
- 2021-11-17 CN CN202122826761.0U patent/CN216709632U/en active Active
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