WO2020029796A1 - 一种螺旋桨组件、动力组件及无人飞行器 - Google Patents

一种螺旋桨组件、动力组件及无人飞行器 Download PDF

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Publication number
WO2020029796A1
WO2020029796A1 PCT/CN2019/097335 CN2019097335W WO2020029796A1 WO 2020029796 A1 WO2020029796 A1 WO 2020029796A1 CN 2019097335 W CN2019097335 W CN 2019097335W WO 2020029796 A1 WO2020029796 A1 WO 2020029796A1
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WO
WIPO (PCT)
Prior art keywords
tooth
central axis
disc
end gear
groove
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2019/097335
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English (en)
French (fr)
Inventor
孙维
张海浪
罗东东
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Autel Robotics Co Ltd
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Autel Robotics Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Autel Robotics Co Ltd filed Critical Autel Robotics Co Ltd
Publication of WO2020029796A1 publication Critical patent/WO2020029796A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C11/00—Propellers, e.g. of ducted type; Features common to propellers and rotors for rotorcraft
    • B64C11/16—Blades
    • B64C11/20—Constructional features
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C1/00—Fuselages; Constructional features common to fuselages, wings, stabilising surfaces or the like
    • B64C1/30—Parts of fuselage relatively movable to reduce overall dimensions of aircraft
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C27/00—Rotorcraft; Rotors peculiar thereto
    • B64C27/32—Rotors
    • B64C27/46—Blades
    • B64C27/473—Constructional features

Definitions

  • the invention relates to the technical field of unmanned aerial vehicles, in particular to a propeller assembly, a power assembly and an unmanned aerial vehicle.
  • Propellers are power components that generate the lift, pull, and operating forces required for UAV flight, but the blades are not convenient to store and carry.
  • embodiments of the present invention provide a propeller assembly, a power assembly, and an unmanned aerial vehicle.
  • the propeller of the propeller assembly can be folded or unfolded, and takes up less space when carried.
  • the embodiments of the present invention provide the following technical solutions:
  • a propeller assembly including a propeller, the propeller includes: a first blade assembly; a second blade assembly movably mounted on the first blade assembly; and when the second blade assembly When rotating around the first center axis in the first direction, the second blade assembly drives the first blade assembly to rotate in the first direction around the first center axis; the first blade assembly may be With respect to the second paddle assembly rotating toward the second direction about the second central axis, the first direction and the second direction are disposed opposite to each other.
  • first central axis and the second central axis are coincident with each other.
  • the first blade assembly includes a first blade structure and a limit pivot; the limit pivot may be fixedly disposed relative to the first blade structure; and the second blade The component is movably mounted on the limit pivot, so that the first blade structure can rotate relative to the second blade component around the second central axis in the second direction.
  • the first paddle structure includes a first end gear; the limit pivot can be fixedly disposed relative to the first end gear, and the first end gear includes a first disk Tooth surface, the first disc tooth surface is provided with a first disc tooth; the second paddle assembly includes a second end tooth disc; the second end tooth disc is sleeved on the limit pivot shaft, so that The first end gear is rotatable about the second center axis with respect to the second end gear toward the second direction, and is movable along the second center axis with respect to the second end gear.
  • the second end tooth disk includes a second disk tooth surface; the second disk tooth surface is disposed toward the first disk tooth surface, and the second end tooth surface is provided with a second disk tooth; the second disk The teeth may abut against the first end teeth, so that when the second end teeth rotate about the first central axis toward the first direction, the second end teeth drive the first end teeth Coiled around the first central axis in the first direction.
  • the first plate tooth includes a first slope surface; the first slope surface is disposed at an angle with the first direction, and the first slope surface and the first plate tooth surface The range of the slope angle is [90,180) degrees; the second disc teeth can abut against the first slope surface, so that when the first end teeth rotate around the first central axis toward the first direction At this time, the second end-toothed disc drives the first end-toothed disc to rotate about the first central axis in the first direction.
  • the slope angle between the first slope surface and the first disc tooth surface is 90 degrees.
  • the second plate tooth includes a third slope surface, and the third slope surface may abut the first slope surface.
  • the number of the first disc teeth is at least two; at least two of the first disc teeth are circumferentially distributed around the first central axis; and the second disc teeth can be abutted simultaneously Two adjacent first toothed teeth, such that the first end toothed disk is relatively fixed with the second end toothed disk; the second end toothed disk may Said second center axis moves; when said second end tooth disk rotates relative to said first end tooth disk about said first center axis toward said first direction, said first end tooth disk can be relatively The second end-toothed disc moves along the second central axis, so that the second disc-tooth abuts at most one of the first disc-teeth.
  • each of the first plate teeth further includes a second slope surface; the second slope surface is disposed at an angle with the second direction, and the second slope surface and the first The range of the slope angle of the plate tooth surface is (0,90) degrees; when the second plate tooth abuts against the first slope surface of one of the first plate teeth and abuts against the other first plate A second slope surface of the teeth, so that the first end gear plate is fixed to the second end gear plate; the second gear plate can abut against at least one second slope surface of the first plate gear, So that when the second end tooth disk rotates in the second direction relative to the first end tooth disk about the second center axis, the first end tooth disk relative to the first center tooth axis The second end gear is moved.
  • a range of a slope angle between the second slope surface and the second disc tooth surface is 45 degrees.
  • the second plate teeth include a fourth slope surface, and the fourth slope surface may abut a second slope surface of at least one of the first plate teeth.
  • the second plate tooth further includes a second transition surface; the second transition surface is connected between the third slope surface and the fourth slope surface; when the third slope surface The first slope surface abuts on one of the first plate teeth, and the fourth slope surface abuts on a second slope surface of the other second plate teeth.
  • the second transition surface, the first A gap is formed between a slope surface and the second slope surface.
  • the first plate tooth further includes a first transition surface; the first transition surface is connected between the first slope surface and the second slope surface; the second transition surface may be Abuts against the first transition surface.
  • the first paddle assembly further includes an elastic member; the elastic member is configured to provide a pressure for pressing the first end gear to the second end gear, so that the first The disc teeth abut against the second disc teeth.
  • the limit pivot includes a connection portion and a first limit portion; the connection portion is fixedly connected to the second limit portion; and the first end gear can be opposite to the connection
  • the second end gear is sleeved on the connecting portion, and the elastic member abuts between the second limiting portion and the second end gear.
  • the limit pivot is movably connected to the first end tooth disc; the limit pivot further includes a first limit portion; the connection portion is connected to the first limit portion And the second limit portion; the first end gear is sleeved on the connecting portion, and the first end gear can be abutted against the first limit portion, so that the limit The position pivot is fixed relative to the first end gear.
  • the propeller assembly further includes a fixing base for mounting on a rotor of a driving device, and the driving device is used for driving the fixing base to rotate about the first central axis; the The propeller can be engaged with the fixed seat, so that the propeller is fixed relative to the fixed seat.
  • the fixing seat is provided with a limiting slot; the second limiting portion is received in the limiting slot, and the second limiting portion abuts on the bottom of the limiting slot,
  • the second end gear is rotatable about the second central axis with respect to the fixed base, and is movable along the second central axis with respect to the fixed base.
  • the second propeller assembly further includes a clamping structure; the clamping structure is disposed on a side of the second end tooth disc facing away from the tooth surface of the second disc; the clamping structure includes a card Holding arm; when the holding arm is located between the fixed seat and the second end toothed disc, the second end toothed disc can be rotated about the second center axis with respect to the fixed seat, so that The second end gear is located at a first preset position; when the second end gear is located at a first preset position, the second end gear may be along the second center relative to the fixed seat.
  • the axis is moved to a second preset position, so that the fixed seat is located between the clamping arm and the second end gear; when the second end gear is located in the second preset position, the first The two-end toothed disc can be rotated relative to the fixed seat around the second central axis to a third preset position, so that the clamping arm can abut the side of the fixed seat facing away from the second end toothed disc, so that The second end gear is fixed relative to the fixed seat; the elastic member is further configured to provide a distance from the second end gear to The pulling force of the fixing base is such that when the second end gear is rotated to the third preset position about the second central axis relative to the fixing base, the clamping arm can abut against the fixing base and depart from it.
  • One side of the second end gear is moved to a second preset position, so that the fixed seat is located between the clamping arm and the second end gear; when the second end gear is located in the second preset position, the first The two-end toothed disc can
  • the holding structure further includes a connecting arm, the connecting arm is connected between the holding arm and the second end gear; the fixing seat is further provided with a receiving groove;
  • the accommodating groove and the limiting groove are located on the same surface of the fixed seat; when the second end gear is in a first preset position, the holding arm can pass through the accommodating groove, so that The second end gear is moved to the second preset position along the second central axis with respect to the fixed seat; when the second end gear is located in the second preset position, the connecting arm may be moved along the The accommodating groove is moved, so that the second end gear is rotated to the third preset position relative to the fixed seat about the second central axis.
  • the receiving groove includes a first groove wall, a second groove wall, and a third groove wall; the first groove wall, the second groove wall, and the third groove wall are all arcs. Plane, the centerline of the first slot wall, the centerline of the second slot wall, and the centerline of the third slot wall all coincide with the second central axis; the first slot wall and The second groove wall is disposed opposite to each other, the third groove wall is disposed opposite to the first groove wall, the first groove wall is disposed away from the second central axis, and the holding arm is directed away from the second groove wall.
  • the direction of the central axis extends; when the second end gear is in the first preset position, the holding arm can pass through a first accommodation between the first groove wall and the second groove wall Position; when the second end gear is in a second preset position, the connecting arm can be moved from the first accommodation position to a second accommodation position, and the second accommodation is located in the first slot Between the wall and the third groove wall.
  • the fixing seat is further provided with a buckling groove; the buckling groove and the limiting groove are located on the opposite side of the fixing seat; when the second end gear is located at a third preset When in position, the holding arm can be received in the holding groove, and the holding arm abuts against the bottom of the holding groove of the holding groove, so that the second end gear is opposite to the fixing seat. fixed.
  • the buckle slot further includes a first limit wall and a second limit wall; the first limit wall is opposite to the second limit wall, and the bottom of the slot is located Between the first limiting wall and the second limiting wall; the first limiting wall is arranged at an angle with the first direction, and the second limiting arm is arranged with the second direction Angle setting; when the holding arm abuts against the bottom of the buckling groove, the holding arm abuts against the first limiting wall, and the holding arm abuts against the first Two limiting walls.
  • the elastic member when the second end gear is fixed relative to the fixing base, the elastic member may abut the second end gear, so that the second end gear is abutted on The first end gear.
  • a power assembly including: the propeller assembly as described above; and a driving device for driving the propeller to rotate about the first central axis in a first direction.
  • an unmanned aerial vehicle including a power pack as described above.
  • the propeller assembly includes a propeller, the propeller includes a first blade assembly, and a second blade assembly is movably mounted on the The first blade assembly; when the second blade assembly rotates in a first direction about a first center axis, the second blade assembly drives the first blade assembly around the first center axis Turn in the first direction; the first blade assembly is rotatable relative to the second blade assembly about the second central axis in the second direction, the first direction and the second Set in the opposite direction.
  • the first blade assembly can be rotated relative to the second blade assembly to fold or unfold the propeller, so that the propeller assembly occupies less space during carrying and is not easily broken.
  • FIG. 1 is a schematic three-dimensional structure diagram of an unmanned aerial vehicle according to an embodiment of the present invention
  • FIG. 2 is a schematic perspective structural view of a power component in the unmanned aerial vehicle shown in FIG. 1;
  • FIG. 3 is a disassembly schematic diagram of the power component shown in FIG. 2;
  • FIG. 4 is a disassembly schematic diagram of a propeller component in the power component shown in FIG. 2;
  • FIG. 5 is a disassembly schematic diagram of a propeller in the propeller assembly shown in FIG. 4;
  • FIG. 6 is a schematic structural diagram of a first blade structure of the propeller shown in FIG. 5;
  • FIG. 7 is an enlarged view at A shown in FIG. 6;
  • FIG. 8 is a schematic structural diagram of a second blade assembly of the propeller shown in FIG. 5;
  • FIG. 9 is an enlarged view of a position B shown in FIG. 8;
  • FIG. 10 is a schematic structural view of the second blade assembly shown in FIG. 8 from another angle;
  • FIG. 11 is a schematic structural diagram of a fixing seat of the propeller assembly shown in FIG. 4;
  • FIG. 12 is a schematic structural view of the fixing base shown in FIG. 11 at another angle;
  • FIG. 13 is a schematic structural diagram of another implementation manner of the propeller shown in FIG. 5.
  • the propeller assembly provided by the embodiment of the present invention is a propeller assembly with a folding function, which is suitable for any application field of mechatronics, and especially can be applied to various movable objects driven by a motor, including but not limited to unmanned aerial vehicles.
  • unmanned aerial vehicle UAV
  • UAV unmanned aerial vehicle
  • an unmanned aerial vehicle is taken as an example for description.
  • Applying the propeller assembly provided in the embodiment of the present invention to the power assembly of an unmanned aerial vehicle can reduce the volume of the propeller assembly, thereby reducing the volume of the unmanned aerial vehicle, and making the unmanned aerial vehicle occupy less space during the carrying process. It is more portable.
  • FIG. 1 is a schematic structural diagram of an unmanned aerial vehicle provided by one embodiment of the present invention.
  • the structure of the unmanned aerial vehicle 1000 includes a fuselage 200, four arms 300 extending from the fuselage 200, and a power assembly 100 installed on each of the arms 300, respectively. That is, the unmanned aerial vehicle 1000 of the present invention is a four-rotor unmanned aerial vehicle, and the number of the power components 100 is four.
  • the unmanned aerial vehicle 1000 may be any other suitable type of rotary wing unmanned aerial vehicle, such as a double-rotor unmanned aerial vehicle, a six-rotor unmanned aerial vehicle, and the like.
  • the power module 100 is applied to other types of unmanned aerial vehicles, the number of the power module 100 may be changed according to actual needs, which is not limited in the embodiment of the present invention.
  • the unmanned aerial vehicle 1000 may further include a gimbal (not shown), which is installed at the bottom of the fuselage 200.
  • the gimbal is used to carry a high-definition digital camera or other camera device to eliminate high-definition digital Disturbances on the camera or other camera devices ensure the clarity and stability of the video captured by the camera or other camera devices.
  • the arm 300 is fixedly connected to the body 200.
  • the arm 300 is integrally formed with the body 200.
  • the arm 300 may also be connected to the body 200 in a manner of being unfolded or folded relative to the body 200.
  • the arm 300 may be connected to the body 200 through a rotating shaft mechanism, so that the arm 300 may be unfolded or folded relative to the body 200.
  • the power assembly 100 includes a driving device 20 and a propeller assembly 10 driven by the driving device 20.
  • the propeller assembly 10 is installed on an output shaft of the driving device 20.
  • the propeller assembly 10 is driven by the driving device 20. Rotate to generate lift or thrust to fly UAV 1000.
  • the driving device 20 may be any suitable type of motor, such as a brushed motor, a brushless motor, a DC motor, a stepper motor, an AC induction motor, and the like.
  • the power assembly 100 of the present invention further includes an electronic governor (not shown) disposed in a cavity formed by the fuselage 200 or the arm 300, and the electronic governor is used for generating
  • the throttle signal generates a motor control signal for controlling the rotation speed of the motor to obtain a flying speed or a flying attitude required by the unmanned aerial vehicle.
  • the throttle controller or the throttle generator may be a flight control module of an unmanned aerial vehicle.
  • the flight control module senses the environment around the UAV through various sensors and controls the flight of the UAV.
  • the flight control module may be a processing module (Application Unit), an Application Specific Integrated Circuit (ASIC), or a Field Programmable Gate Array (FPGA).
  • the UAV's flight control module sends a throttle signal to the electric control board.
  • the electric control board receives the throttle signal, generates and sends the signal to the motor for The motor performs motor control signals such as starting and controlling the rotation speed of the motor.
  • the driving device 20 is configured to drive the propeller assembly 10 to rotate in a first direction about a first central axis O shown in the figure.
  • the propeller assembly 10 includes a fixed base 11 and a propeller 12.
  • the propeller 12 is mounted on the fixed base 11.
  • the propeller 12 includes a first blade assembly 120 and a second blade assembly 122.
  • the second blade assembly 122 is movably mounted on the first blade assembly 120.
  • the second blade assembly 122 when the second blade assembly 122 rotates about the first center axis O toward the first direction, the second blade assembly 122 drives the first blade assembly 120 around the first A central axis O rotates in the first direction.
  • the first blade assembly 120 is rotatable relative to the second blade assembly 122 around a second central axis in a second direction. The first direction is opposite to the second direction.
  • first central axis O and the second central axis are disposed to coincide with each other.
  • the first central axis O is separated from the second central axis, and the first central axis O is disposed parallel to the second central axis.
  • the second paddle assembly 122 includes a ratchet mechanism 30 and a second paddle 1222.
  • the second paddle 1222 is fixedly connected to the ratchet mechanism 30.
  • the ratchet mechanism 30 includes a non-return pawl 31, an elastic piece 32, a base 33, a limiting shaft 34, and an internal meshing ratchet 35.
  • the base 33 is partially accommodated in the internal meshing ratchet 35, and the base 33 is separated from the internal meshing ratchet 35.
  • One end of the check pawl 31 is rotatably connected to the base 33, The other end of the non-return pawl 31 may abut the inner ratchet tooth surface of the internal engagement ratchet wheel 35.
  • the internally engaging ratchet wheel 35 can rotate relative to the base 33 about the second central axis O toward the second direction.
  • the limit axis 34 and the base 33 are fixedly disposed, and the center line of the limit axis 34 and the second central axis are coincident with each other.
  • the first paddle assembly 120 is fixedly disposed with the limiting shaft 34.
  • the ratchet mechanism can also be replaced with another check mechanism.
  • the first blade assembly 120 includes a first blade structure 124, a limit pivot 126, and an elastic member 128.
  • the limit pivot 126 can be fixedly disposed relative to the second blade structure 124.
  • the member 128 is mounted on the limit pivot 126.
  • the second paddle assembly 122 is movably mounted on the limit pivot 126, so that the first paddle structure 124 can be moved relative to the second paddle assembly 122 around the second central axis toward the first It rotates in two directions, and the first blade structure 124 is movable along the second central axis with respect to the second blade assembly 122.
  • the first paddle structure 124 includes a first end sprocket 1240 and a first paddle 1242.
  • the first paddle 1242 is fixedly connected to the first end sprocket 1240.
  • the limit pivot 126 may be fixedly disposed relative to the first end gear 1240.
  • the first end tooth plate 1240 is a relatively flat cylindrical structure, and the center line of the first end tooth plate 1240 coincides with the second center axis.
  • the first end tooth The disk 1240 includes a first disk tooth surface 12400, a first mounting surface 12401, and a first side surface 12402.
  • the first disk tooth surface 12400 is disposed opposite to the second mounting surface 12401, the second side surface 12402 is connected between the first disk tooth surface 12400 and the first mounting surface 12401, and the A first side surface 12402 is disposed around the first disc tooth surface 12400 and the first mounting surface 12401, and the first disc tooth surface 12400 is disposed toward the second paddle assembly 122.
  • the second paddle 1242 is connected to the second side surface 12402.
  • the first disc tooth surface 12400 is provided with a first disc tooth 12403.
  • At least two of the first disk teeth 12403 are distributed circumferentially around the second central axis, and every two adjacent ones of the first disk teeth 12403 are arranged at equal intervals.
  • Each of the first plate teeth 12403 includes a first slope surface 12404, a second slope surface 12405, and a first transition surface 12406.
  • the first transition surface 12406 is connected between the first slope surface 12404 and the second slope surface 12404.
  • the first slope surface 12404 is disposed at an angle with the first direction, and the range of the slope angle Q of the first slope surface 12404 and the first disc tooth surface 12400 is [90,180) degrees. In this embodiment, the slope angle Q of the first slope surface 12404 and the first disc tooth surface 12400 is 90 degrees.
  • the second slope surface 12405 is disposed at an angle with the second direction, and the range of the slope angle P between the second slope surface 12405 and the first disc tooth surface 12400 is (0,90) degrees. In this embodiment, the slope angle P of the second slope surface 12405 and the first disc tooth surface 12400 is 45 degrees.
  • the second transition surface 12406 is disposed parallel to the second direction.
  • the first slope surface 12404 is disposed at an angle with the first direction.
  • the second blade assembly rotates around the first center axis O and moves in the first direction, all the The second blade assembly provides a first driving force, and a direction of the driving force is the same as the first direction, that is, the first slope surface 12404 is disposed at an angle with the first direction, so that The driving force can act on the first slope surface 12404 and generate a corresponding component force, which is used to cause the second blade assembly 122 to drive the first blade structure 124, and the component force
  • the direction is normal to the first slope surface 12404, and the second slope surface 12405 and the second direction are set at an included angle for the same reason. Due to space limitations, they are not described here one by one.
  • the second blade assembly 122 includes a second end-toothed disk 1220, a second blade 1222, and a retaining structure 1224.
  • the second paddle 1222 and the holding structure 1224 are both fixedly connected to the second end gear 1220.
  • the second end tooth disk 1220 is sleeved on the limit pivot 126, so that the second end tooth disk 1220 can be moved relative to the second end tooth disk 1240 around the second center axis toward the first It rotates in two directions and is movable along the second central axis with respect to the second end gear 1240.
  • the second end tooth plate 1220 is a relatively flat cylindrical structure, and the center line of the second end tooth plate 1220 coincides with the second center axis.
  • the two-end toothed disc 1220 includes a second disc tooth surface 12200, a second mounting surface 12201, and a second side surface 12202.
  • the second disk tooth surface 12200 is disposed opposite to the second mounting surface 12201, the second side surface 12202 is disposed between the second disk tooth surface 12200 and the second mounting surface 12201, and the A second side surface 12202 is disposed around the second disk tooth surface 12200 and the second mounting surface 12201, and the second disk tooth surface 12200 is disposed toward the first disk tooth surface 12400.
  • the second paddle 1222 is connected to the second side surface 12202.
  • the second disc tooth surface 12200 is provided with at least one second disc tooth 12203.
  • the second plate tooth 12203 can abut the first plate tooth 12403, so that when the second end tooth plate 1220 rotates about the first center axis O in the first direction, the second plate tooth 12203
  • the end gear 1220 drives the first end gear 1240 to rotate about the first center axis O in the first direction.
  • the second plate tooth 12203 may abut the first slope surface 12404, so that when the second end tooth plate 1220 rotates about the first center axis O in the first direction, The second end-toothed disc 1220 drives the first end-toothed disc 1240 to rotate about the first central axis O in the first direction.
  • the second disk tooth 12203 can abut against two adjacent first disk teeth 12403 at the same time, so that the second end tooth disk 1220 is fixed to the first end tooth disk 1240.
  • the first end sprocket 1240 is rotated relative to the second end sprocket 1220 about the second center axis in the second direction, the first end sprocket 1240 is relative to the second end
  • the tooth plate 1220 moves along the second central axis, so that the second tooth plate 12203 abuts at most one of the first tooth plate 12403.
  • the first end gear 1240 is fixed to the second end gear 1220.
  • the second sprocket 12203 can abut against at least one second slope surface 12405 of the first spur tooth 1240, so that when the first end sprocket 1240 is about the second center axis O relative to the first When one end sprocket 1240 rotates in the second direction, the first end sprocket 1240 moves relative to the second end sprocket 1220 along the second central axis O.
  • the first A gap is formed between the transition surface 12406, the first slope surface 12404, and the second slope surface 12405.
  • each of the second plate teeth 12203 includes a third slope surface 12204, a fourth slope surface 12205, and a second transition surface 12206.
  • the second transition surface 12206 is connected between the third slope surface 12204 and the fourth slope surface 12205.
  • the third slope surface 12204 may abut the first slope surface 12404 of at least one of the first plate teeth 12403.
  • the fourth slope surface 12205 may abut against at least one second slope surface 12405 of the first plate tooth 12403.
  • the second transition surface 12206 may abut the first transition surface 12406 of at most one of the first disc teeth 12403.
  • the limit pivot 126 is installed on the first end gear 1240, so that the limit pivot 126 is fixed relative to the second end gear 1240. . In some other embodiments, the limit pivot 126 is integrated with the second end gear 1240.
  • the limiting pivot 126 includes a first limiting portion 1260, a connecting portion 1262, and a second limiting portion 1264.
  • the first limiting portion 1260 is opposite to the second limiting portion 1264, and the connecting portion 1262 is connected between the first limiting portion 1260 and the second limiting portion 1264.
  • the limit pivot 126 is provided with a first shaft passing hole 1266, and the first shaft passing hole 1266 penetrates the first limit portion 1260, the connection portion 1262, and the second limit portion 1264 in this order.
  • a center line of the first through-shaft hole 1266 coincides with the first center axis O.
  • the connecting portion 1262 is a cylindrical structure, and a center line thereof coincides with the second central axis.
  • the first limiting portion 1260 is a relatively flat cylindrical structure, and a center line thereof coincides with the second central axis O. A diameter of the first limiting portion 1260 is larger than a diameter of the connecting portion 1262.
  • the second limiting portion 1264 is a ring-shaped structure, and a center line thereof coincides with the second central axis O. A diameter of the second limiting portion 1264 is larger than a diameter of the connecting portion 1262.
  • the first end gear 1240 and the second end gear 1220 are sleeved on the connection portion 1262, and the first end gear 1240 abuts the second limiting portion 1264 and the first Between the two end toothed disks 1220, the connecting portion 1262 is fixed relative to the first end toothed disk 1220, and the second end toothed disk sleeve 1220 is provided at the connection portion 1262, and the second end toothed The disk 1240 is located between the first end toothed disk 1220 and the second limiting portion 1264.
  • the elastic member 128 is a compression spring, and the elastic member 128 is sleeved on the connecting portion 1262 and abuts between the second end tooth plate 1220 and the second limiting portion 1264.
  • the elasticity The piece 128 is used to provide a pressure for pressing the first end tooth plate 1240 to the second end tooth plate 1220, so that the first disc tooth 12403 abuts the second disc tooth 12203.
  • At least one of the holding structures 1224 is disposed on the second mounting surface 12201, and at least one of the holding structures 1224 is distributed circumferentially around the second central axis O.
  • Each of the holding structures 1224 can be made of a rigid material, such as hard plastic or aluminum alloy.
  • Each of the holding structures 1224 includes a connecting arm 12242 and a holding arm 12240 connected to the connecting arm 12242.
  • One end of the connecting arm 12242 is connected to the first mounting surface 12201 of the second end tooth plate 1220, and the other end is connected to the holding arm 12240.
  • the holding arm 12240 extends in a direction away from the second central axis O.
  • the fixing base 11 may be made of rigid materials, such as hard plastic or aluminum alloy.
  • the fixing base 11 is provided with a limiting slot 110, a receiving slot 112, a buckling slot 114, and Mounting hole 116.
  • the limiting groove 110 is disposed on a side of the fixing base 11 facing the second end tooth plate 1220, and a center line of the limiting groove 110 coincides with the second central axis O.
  • the limiting groove The groove bottom of 110 is provided with a second shaft passing hole 118, and a center line of the second shaft passing hole 118 coincides with the first central axis O.
  • a second limit portion 1264 of the limit pivot 126 is received in the limit slot 110, and a side of the second limit portion 1264 facing away from the connection portion 1262 abuts against the limit slot 110.
  • the second end gear is rotatable about the second central axis O relative to the fixed base 11 and is movable along the second central axis O relative to the fixed base 11.
  • the second end toothed plate 1220 When the holding arm 12240 is located between the fixed seat 11 and the second end toothed plate 1220, the second end toothed plate 1220 may be about the second center axis O relative to the fixed seat 11 Rotate the second end gear 1220 to a first preset position; when the second end gear 1220 is at a first preset position, the second end gear 1220 may be opposite to the fixed seat 11 moves to the second preset position along the second central axis O, so that the fixing base 11 is located between the holding arm 12240 and the second end gear 1220; when the second end gear When 1220 is located at the second preset position, the second end gear 1220 can be rotated relative to the fixed base 11 about the second center axis O to a third preset position, so that the holding arm 12240 can be abutted.
  • the elastic member 128 is also used to provide the second end
  • the pulling force of the toothed plate 1220 away from the fixing base 11 is such that when the second end toothed plate 1220 rotates relative to the fixed base 11 about the second central axis O
  • said retainer arm 1240 abut on the fixing base 11 away from the second side end 1220 chainrings.
  • the receiving groove 112 and the limiting groove 110 are located on the same surface of the fixing base 11.
  • the holding arm 12240 can pass through the accommodating groove 112, so that the second end tooth plate 1220 is along the side of the fixing base 11
  • the second central axis O moves to a second preset position; when the second end gear 1220 is located at the second preset position, the connecting arm 12242 can move along the accommodation groove 112, so that the The second end sprocket 1220 is rotated relative to the fixing base 11 around the second central axis O to a third preset position.
  • the receiving groove 112 includes a first groove wall 1120, a second groove wall 1122, and a third groove wall 1124.
  • the first groove wall 1120, the second groove wall 1122, and the third groove wall 1124 are all curved surfaces.
  • the center line of the first groove wall 1120, the center line of the second groove wall 1122, and The centerline of the third groove wall 1124 coincides with the second central axis O.
  • the first groove wall 1120 is opposite to the second groove wall 1122
  • the third groove wall 1124 is opposite to the first groove wall 1120
  • the first groove wall 1120 faces away from the second central axis. O settings.
  • the holding arm 11240 can pass through the first receiving position 1126 between the first groove wall 1120 and the second groove wall 1122. ;
  • the connecting arm 12242 can be moved from the first accommodation position 1126 to the second accommodation position 1128, and the second accommodation 1128 is located at Between the first groove wall 1120 and the third groove wall 1124.
  • the latching groove 114 and the limiting groove 110 are located on opposite sides of the fixing base 11.
  • the holding arm 12240 can be received in the locking groove 114, and the holding arm 12240 abuts against the locking groove 114.
  • the buckle groove bottom 1140 allows the second end tooth plate 1220 to be fixed relative to the fixing base 11.
  • the latching groove 114 further includes a first limiting wall 1142 and a second limiting wall 1144.
  • the first limiting wall 1142 is opposite to the second limiting wall 1144, and the bottom of the buckle groove 1140 is connected between the first limiting wall 1142 and the second limiting wall 1144.
  • the first limiting wall 1142 is disposed at an angle with the first direction
  • the second limiting wall 1144 is disposed at an angle with the second direction.
  • the elastic member 128 may abut the second end tooth plate 1220, so that the second end tooth plate 1220 abuts against ⁇ ⁇ ⁇ ⁇ ⁇ 1240.
  • a plurality of the mounting holes 116 and the limiting grooves 110 are located on the same side of the fixing base 11, and each of the mounting holes 116 is located between two of the adjacent receiving grooves 112.
  • the mounting hole 116 is a countersunk hole.
  • the driving device 20 is a brushless motor
  • the driving device 20 includes a rotor 21 and a stator 22,
  • the stator 22 is a shaft body, and a center line of the stator 22 and the first center axis Phase O coincides
  • the rotor 21 is disposed around the stator 22, and the rotor 21 is rotatable relative to the stator 22 about the first central axis O.
  • the fixing base 11 is fixed to the rotor 21 through a corresponding mounting hole 116 through each bolt, and the stator 22 passes through the second shaft passing hole 118 of the fixing base 11 and is received in the limit.
  • the driving device 20 is configured to drive the fixing base to rotate about the first central axis O in a first direction.
  • the number of first disc teeth 1243 is an even number, and when the first end tooth disk 1220 is rotated relative to the second end tooth disk 1240 about the second center axis in the second direction At this time, the first end gear 1240 can rotate 180 degrees.
  • the first paddle blade 1242 and the second paddle blade 1222 can be positioned on the same straight line when fully expanded, and the first blade The paddle 1242 and the second paddle 1222 are also located on the same straight line when folded, that is, the first paddle 1242 and the second paddle 1222 overlap, so that the first paddle 1242 and the second paddle The paddle 1222 occupies less space when folded.
  • the propeller assembly 10 When the propeller assembly 10 is used, it can be divided into an expanded state and a folded state.
  • the first end sprocket 1220 is made relative to the second end sprocket 1240 about the second center axis toward the second Turn in the direction until the first paddle 1242 and the second paddle 1222 overlap.
  • the first end sprocket 1240 is made relative to the second end sprocket 1220 around the second central axis toward the second Turn in the direction until the first paddle 1242 and the second paddle 1222 are on the same straight line.
  • the propeller assembly 10 includes a propeller 12, and the propeller 12 includes a first blade assembly 120; a second propeller A blade assembly 122 is movably mounted on the first blade assembly 120; when the second blade assembly 122 rotates about a first center axis O in a first direction, the second blade assembly 122 drives the first blade assembly 122 A paddle assembly 120 rotates about the first center axis O toward the first direction; the first paddle assembly 120 may be turned toward the second paddle assembly 122 toward the second center axis.
  • the second direction is rotated, and the first direction and the second direction are opposite to each other.

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Abstract

提供一种螺旋桨组件、动力组件以及无人飞行器，其中所述螺旋桨组件（10）包括螺旋桨（12），所述螺旋桨包括第一桨叶组件（120）；第二桨叶组件（122）活动安装于所述第一桨叶组件（120）；当所述第二桨叶组件（122）绕第一中轴线朝第一方向转动时，所述第二桨叶组件（122）驱动所述第一桨叶组件（120）绕所述第一中轴线朝所述第一方向转动；所述第一桨叶组件（120）可相对于所述第二桨叶组件（122）绕所述第二中轴线朝所述第二方向转动，所述第一方向和所述第二方向相反设置。通过上述设置，所述第一桨叶组件可相对于所述第二桨叶组件转动以折叠或展开所述螺旋桨，使得所述螺旋桨组件在携带的过程占用空间少，并且不易折断。

Description

一种螺旋桨组件、动力组件及无人飞行器
【相关申请交叉引用】
本申请要求于2018年8月10日申请的、申请号为201810908195.8、申请名称为“一种螺旋桨组件、动力组件及无人飞行器”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
【技术领域】
本发明涉及无人飞行器技术领域，尤其涉及一种螺旋桨组件、动力组件以及无人飞行器。
【背景技术】
螺旋桨是产生无人飞行器飞行所需的升力、拉力和操作力的动力部件，但是桨叶不方便收纳及携带。
但是，发明人在实现本发明的过程中，发现：传统的螺旋桨不能折叠，使得无人飞行器不方便携带，并且携带时螺旋桨叶容易折断。因此，现有技术需要改进。
【发明内容】
为了解决上述技术问题，本发明实施例提供一种螺旋桨组件、动力组件以及无人飞行器，其中所述螺旋桨组件的螺旋桨可折叠或展开，携带时占用空间少。
为了解决上述技术问题，本发明实施例提供以下技术方案：
在第一方面，提供一种螺旋桨组件，包括螺旋桨，所述螺旋桨包括：第一桨叶组件；第二桨叶组件，活动安装于所述第一桨叶组件；当所述第二桨叶组件绕第一中轴线朝第一方向转动时，所述第二桨叶组件驱动所述第一桨叶组件绕所述第一中轴线朝所述第一方向转动；所述第一桨叶组件可相对于所述第二桨叶组件绕所述第二中轴线朝所述第二方向转动，所述第一方向和 所述第二方向相反设置。
在一些实施例中，所述第一中轴线与所述第二中轴线相重合设置。
在一些实施例中，所述第一桨叶组件包括第一桨叶结构和限位枢轴；所述限位枢轴可相对于所述第一桨叶结构固定设置；所述第二桨叶组件活动安装于所述限位枢轴，使得所述第一桨叶结构可相对于所述第二桨叶组件绕所述第二中轴线朝所述第二方向转动。
在一些实施例中，所述第一桨叶结构包括第一端齿盘；所述限位枢轴可相对于所述第一端齿盘固定设置，所述第一端齿盘包括第一盘齿面，所述第一盘齿面设置有第一盘齿；所述第二桨叶组件包括第二端齿盘；所述第二端齿盘套设于所述限位枢轴，使得所述第一端齿盘可相对于所述第二端齿盘绕所述第二中轴线朝所述第二方向转动，并且可相对于所述第二端齿盘沿所述第二中轴线移动；所述第二端齿盘包括第二盘齿面；所述第二盘齿面朝向所述第一盘齿面设置，所述第二端齿面设置有第二盘齿；所述第二盘齿可抵接于所述第一盘齿，使得当所述第二端齿盘绕所述第一中轴线朝所述第一方向转动时，所述第二端齿盘驱动所述第一端齿盘绕所述第一中轴线朝所述第一方向转动。
在一些实施例中，所述第一盘齿包括第一坡面；所述第一坡面与所述第一方向呈夹角设置，并且所述第一坡面与所述第一盘齿面的坡角的范围为[90,180)度；所述第二盘齿可抵接于所述第一坡面，使得当所述第一端齿盘绕所述第一中轴线朝所述第一方向转动时，所述第二端齿盘驱动所述第一端齿盘绕所述第一中轴线朝所述第一方向转动。
在一些实施例中，所述第一坡面与所述第一盘齿面的坡角为90度。
在一些实施例中，所述第二盘齿包括第三坡面，所述第三坡面可抵接于所述第一坡面。
在一些实施例中，所述第一盘齿的数量至少为两个；至少两个所述第一盘齿绕所述第一中轴线呈圆周分布；所述第二盘齿可同时抵接于两个相邻的所述第一盘齿，使得所述第一端齿盘与所述第二端齿盘相对固定；所述第二端齿盘可相对于所述第一端齿盘沿所述第二中轴线移动；当所述第二端齿盘相对于所述第一端齿盘绕所述第一中轴线朝所述第一方向转动时，所述第一端齿盘可相对于所述第二端齿盘沿所述第二中轴线移动，使得所述第二盘齿 抵接于至多一个所述第一盘齿。
在一些实施例中，每个所述第一盘齿还包括第二坡面；所述第二坡面与所述第二方向呈夹角设置，并且所述第二坡面与所述第一盘齿面的坡角的范围为(0,90)度；当所述第二盘齿抵接于一个所述第一盘齿的第一坡面，并且抵接于另一个所述第一盘齿的第二坡面，使得所述第一端齿盘与所述第二端齿盘相固定；所述第二齿盘可抵接于至多一个所述第一盘齿的第二坡面，使得当所述第二端齿盘绕所述第二中轴线相对于所述第一端齿盘朝所述第二方向转动时，所述第一端齿盘沿所述第二中轴线相对于所述第二端齿盘移动。
在一些实施例中，所述第二坡面与所述第二盘齿面的坡角的范围为45度。
在一些实施例中，所述第二盘齿包括第四坡面，所述第四坡面可抵接于至多一个所述第一盘齿的第二坡面。
在一些实施例中，所述第二盘齿还包括第二过渡面；所述第二过渡面连接于所述第三坡面与所述第四坡面之间；当所述第三坡面抵接于一个所述第一盘齿的第一坡面，并且所述第四坡面抵接于另一个所述第二盘齿的第二坡面，所述第二过渡面、所述第一坡面以及所述第二坡面之间形成间隙。
在一些实施例中，所述第一盘齿还包括第一过渡面；所述第一过渡面连接于所述第一坡面与所述第二坡面之间；所述第二过渡面可抵接于所述第一过渡面。
在一些实施例中，所述第一桨叶组件还包括弹性件；所述弹性件用于提供将所述第一端齿盘压向所述第二端齿盘的压力，使得所述第一盘齿抵接于所述第二盘齿。
在一些实施例中，所述限位枢轴包括连接部和第一限位部；所述连接部固定连接于所述第二限位部；所述第一端齿盘可相对于所述连接部固定设置，所述第二端齿盘套设于所述连接部，所述弹性件抵接于所述第二限位部与所述第二端齿盘之间。
在一些实施例中，所述限位枢轴与所述第一端齿盘活动连接；所述限位枢轴还包括第一限位部；所述连接部连接于所述第一限位部与所述第二限位部之间；所述第一端齿盘套设于所述连接部，并且所述第一端齿盘可抵接于所述第一限位部，使得所述限位枢轴相对于所述第一端齿盘固定。
在一些实施例中，所述螺旋桨组件还包括固定座，所述固定座用于安装 于驱动装置的转子，所述驱动装置用于驱动所述固定座绕所述第一中轴线转动；所述螺旋桨可与所述固定座卡接，使得所述螺旋桨相对于所述固定座固定。
在一些实施例中，所述固定座设置有限位槽；所述第二限位部收容于所述限位槽，并且所述第二限位部抵接于所述限位槽的槽底，使得所述第二端齿盘可相对于所述固定座绕所述第二中轴线转动，并且可相对于所述固定座沿所述第二中轴线移动。
在一些实施例中，所述第二螺旋桨组件还包括卡持结构；所述卡持结构设置于所述第二端齿盘背离所述第二盘齿面的一面；所述卡持结构包括卡持臂；当所述卡持臂位于所述固定座与所述第二端齿盘之间时，所述第二端齿盘可相对于所述固定座绕所述第二中轴线转动，使得所述第二端齿盘位于第一预设位置；当所述第二端齿盘位于第一预设位置时，所述第二端齿盘可相对于所述固定座沿所述第二中轴线移动至第二预设位置，使得所述固定座位于所述卡持臂与所述第二端齿盘之间；当所述第二端齿盘位于第二预设位置时，所述第二端齿盘可相对于所述固定座绕所述第二中轴线转动至第三预设位置，使得所述卡持臂可抵接于固定座背离所述第二端齿盘的一面，使得所述第二端齿盘相对于所述固定座固定；所述弹性件还用于提供将所述第二端齿盘远离所述固定座的拉力，使得当所述第二端齿盘相对于所述固定座绕所述第二中轴线转动至第三预设位置时，所述卡持臂可抵接于所述固定座背离所述第二端齿盘的一面。
在一些实施例中，所述卡持结构可由刚性材质制得；所述固定座可由刚性材质制得。
在一些实施例中，所述卡持结构还包括连接臂，所述连接臂连接于所述卡持臂与所述第二端齿盘之间；所述固定座还设置有容置槽；所述容置槽与所述限位槽位于所述固定座的同一表面；当所述第二端齿盘位于第一预设位置时，所述卡持臂可穿过所述容置槽，使得所述第二端齿盘相对于所述固定座沿所述第二中轴线移动至第二预设位置；当所述第二端齿盘位于第二预设位置时，所述连接臂可沿所述容置槽移动，使得所述第二端齿盘相对于所述固定座绕所述第二中轴线转动至第三预设位置。
在一些实施例中，所述容置槽包括第一槽壁、第二槽壁以及第三槽壁； 所述第一槽壁、所述第二槽壁以及所述第三槽壁均为弧面，所述第一槽壁的中心线、所述第二槽壁的中心线以及所述第三槽壁的中心线均与所述第二中轴线相重合；所述第一槽壁与所述第二槽壁相对设置，所述第三槽壁与所述第一槽壁相对设置，所述第一槽壁背离所述第二中轴线设置；所述卡持臂朝远离所述第二中轴线的方向延伸；当所述第二端齿盘位于第一预设位置时，所述卡持臂可穿过所述第一槽壁与所述第二槽壁之间的第一容置位；当所述第二端齿盘位于第二预设位置时，所述连接臂可由所述第一容置位移动至第二容置位，所述第二容置位于所述第一槽壁与所述第三槽壁之间。
在一些实施例中，所述固定座还设置有卡扣槽；所述卡扣槽与所述限位槽位于所述固定座的相反侧；当所述第二端齿盘位于第三预设位置时，所述卡持臂可收容于所述卡扣槽，并且所述卡持臂抵接于所述卡扣槽的卡槽底，使得所述第二端齿盘相对于所述固定座固定。
在一些实施例中，所述卡扣槽还包括第一限位壁和第二限位壁；所述第一限位壁与所述第二限位壁相对设置，所述卡槽底位于所述第一限位壁与所述第二限位壁之间；所述第一限位壁与所述第一方向呈夹角设置，所述第二限位臂与所述第二方向呈夹角设置；当所述卡持臂抵接于所述卡扣槽的槽底时，所述卡持臂抵接于所述第一限位壁，并且所述卡持臂抵接于所述第二限位壁。
在一些实施例中，当所述第二端齿盘相对于所述固定座固定时，所述弹性件可抵接于所述第二端齿盘，使得所述第二端齿盘抵接于所述第一端齿盘。
在第二方面，提供一种动力组件，包括：如上所述的螺旋桨组件；驱动装置，用于驱动所述螺旋桨绕所述第一中轴线朝第一方向转动。
在第三方面，提供一种无人飞行器，包括如上所述的动力组件。
与现有技术相比较,本发明实施例提供的螺旋桨组件、动力组件以及无人飞行器中，所述螺旋桨组件包括螺旋桨，所述螺旋桨包括第一桨叶组件；第二桨叶组件，活动安装于所述第一桨叶组件；当所述第二桨叶组件绕第一中轴线朝第一方向转动时，所述第二桨叶组件驱动所述第一桨叶组件绕所述第一中轴线朝所述第一方向转动；所述第一桨叶组件可相对于所述第二桨叶组件绕所述第二中轴线朝所述第二方向转动，所述第一方向和所述第二方向相反设置。通过上述设置，所述第一桨叶组件可相对于所述第二桨叶组件转动 以折叠或展开所述螺旋桨，使得所述螺旋桨组件在携带的过程占用空间少，并且不易折断。
【附图说明】
一个或多个实施例通过与之对应的附图进行示例性说明，这些示例性说明并不构成对实施例的限定，附图中具有相同参考数字标号的元件表示为类似的元件，除非有特别申明，附图中的图不构成比例限制。
图1为本发明实施例提供的一种无人飞行器的立体结构示意图；
图2为图1所示无人飞行器中动力组件的立体结构示意图；
图3为图2所示的动力组件的拆解示意图；
图4为图2所示的动力组件中螺旋桨组件的拆解示意图；
图5为图4所示的螺旋桨组件中螺旋桨的拆解示意图；
图6为图5所示的螺旋桨的第一桨叶结构的结构示意图；
图7为图6所示的A处的放大图；
图8为图5所示的螺旋桨的第二桨叶组件的结构示意图；
图9为图8所示的B处的放大图；
图10为图8所示的第二桨叶组件的另一个角度的结构示意图；
图11为图4所示的螺旋桨组件的固定座的结构示意图；
图12为图11所示的固定座的另一个角度的结构示意图；
图13为图5所示的螺旋桨的另一种实现方式的结构示意图。
【具体实施方式】
为了便于理解本发明，下面结合附图和具体实施方式，对本发明进行更详细的说明。需要说明的是，当元件被表述“固定于”另一个元件，它可以直接在另一个元件上、或者其间可以存在一个或多个居中的元件。当一个元件被表述“连接”另一个元件，它可以是直接连接到另一个元件、或者其间可以存在一个或多个居中的元件。本说明书所使用的术语“垂直的”、“水平的”、“左”、“右”、“内”、“外”以及类似的表述只是为了说明的目的。
除非另有定义，本说明书所使用的所有的技术和科学术语与属于本发明的技术领域的技术人员通常理解的含义相同。在本发明的说明书中所使用的 术语只是为了描述具体的实施方式的目的，不是用于限制本发明。本说明书所使用的术语“和/或”包括一个或多个相关的所列项目的任意的和所有的组合。
本发明实施例提供的螺旋桨组件是一种具有折叠功能的螺旋桨组件，适用于任意机电一体化的应用领域，尤其可以应用于各种由电机驱动的可移动物体上，包括但不限于无人飞行器(unmanned aerial vehicle，UAV)，轮船，机器人。在本发明实施例中，以无人飞行器为例进行说明。把本发明实施例提供的螺旋桨组件应用于无人飞行器的动力组件上，能够减小螺旋桨组件的体积，从而减小无人飞行器的体积，使得无人飞行器在携带过程中占用更少的空间，从而更便于携带。
请参照图1，为本发明其中一个实施例提供的一种无人飞行器的结构示意图。该无人飞行器1000的结构包括机身200、四个自机身200延伸的机臂300以及分别装设在每个机臂300上的动力组件100。即，本发明的无人飞行器1000为四旋翼无人飞行器，动力组件100的数量为四个。在其他可能的实施例中，无人飞行器1000可以是其他任何合适类型的旋翼无人飞行器，例如双旋翼无人飞行器、六旋翼无人飞行器等。在动力组件100应用于其他类型无人飞行器的场合，动力组件100的数量可以根据实际需要改变，本发明实施例对此不作限定。
在其他可能的实施例中，无人飞行器1000还可以包括云台(图未示)，该云台安装于机身200的底部，云台用于搭载高清数码相机或其他摄像装置以消除高清数码相机或其他摄像装置受到的扰动，保证相机或其他摄像装置拍摄的视频的清晰稳定。
在本发明的一实施例中，机臂300与机身200固定连接，优选地，机臂300与机身200一体成型。在其他可能的实施例中，机臂300还可以可相对于机身200展开或折叠的方式与机身200相连。例如，机臂300可以通过一转轴机构与机身200相连，以实现机臂300可相对于机身200展开或折叠。
在本发明一实施例中，动力组件100包括驱动装置20和由驱动装置20驱动的螺旋桨组件10，螺旋桨组件10装设于驱动装置20的输出轴上，螺旋桨组件10在驱动装置20的驱动下旋转以产生使无人飞行器1000飞行的升力或推力。驱动装置20可以是任何合适类型的电机，例如有刷电机、无刷电机、 直流电机、步进电机、交流感应电机等。本发明的动力组件100还包括设置在机身200或机臂300所形成的空腔内的电子调速器(未图示)，该电子调速器用于根据油门控制器或油门发生器产生的油门信号生成用于控制电机转速的电机控制信号以获取无人飞行器需要的飞行速度或飞行姿态。
在一种实现方式中，油门控制器或油门发生器可以是无人飞行器的飞行控制模块。飞行控制模块通过各种传感器感知无人飞行器周围的环境，并控制无人飞行器的飞行。飞行控制模块可以是处理模块(processing unit)，专用集成电路(Application Specific Integrated Circuit，ASIC)或者现场可编程门阵列(Field Programmable Gate Array，FPGA)。
当用户通过遥控器输入控制无人飞行器的飞行姿态等的指令时，无人飞行器的飞控模块向电调板发送一油门信号，电调板接收该油门信号，生成并向电机发送用于对电机进行启动、和控制电机运行的转速等的电机控制信号。
请参阅图2和图3，所述驱动装置20用于驱动所述螺旋桨组件10绕图中所示的第一中轴线O朝第一方向转动。所述螺旋桨组件10包括固定座11和螺旋桨12，所述螺旋桨12安装于所述固定座11。
请一并参阅图5，所述螺旋桨12包括第一桨叶组件120和第二桨叶组件122。所述第二桨叶组件122活动安装于所述第一桨叶组件120。
一方面，当所述第二桨叶组件122绕所述第一中轴线O朝所述第一方向转动时，所述第二桨叶组件122驱动所述第一桨叶组件120绕所述第一中轴线O朝所述第一方向转动。另一方面，所述第一桨叶组件120可相对于所述第二桨叶组件122绕第二中轴线朝第二方向转动。所述第一方向和所述第二方向相反设置。
在本实施例中，所述第一中轴线O与所述第二中轴线相重合设置。
在其它一些实施例中，所述第一中轴线O与所述第二中轴线相分离，并且所述第一中轴线O平行于所述第二中轴线设置。
在其它一些实施例中，请参阅图13，所述第二桨叶组件122包括棘轮机构30和第二桨叶1222，所述第二桨叶1222固定连接所述棘轮机构30。
所述棘轮机构30包括止回棘爪31、弹片32、基座33、限位轴34以及内啮合棘轮35。所述基座33部分收容于所述内啮合棘轮35内，并且所述基座 33与所述内啮合棘轮35相分离设置，所述止回棘爪31一端转动连接于所述基座33，所述止回棘爪31的另一端可抵接于所述内啮合棘轮35的内棘齿面，所述弹片32一端固定连接于所述基座33，所述弹片32的另一端抵接于所述止回棘爪31，所述止回棘爪31背离所述基座33的一端抵接于所述内棘齿面与所述弹片32之间。所述内啮合棘轮35可相对于所述基座33绕所述第二中轴线O朝所述第二方向转动，当所述内啮合棘轮35绕所述第一中轴线O朝所述第一方向转动时，所述止回棘爪31抵接于所述内棘齿面与所述基座33之间，使得所述内啮合棘轮35驱动所述基座33绕所述第一中轴线O朝所述第一方向转动。
所述限位轴34与所述基座33固定设置，所述限位轴34的中心线与所述第二中轴线相重合设置。
所述第一桨叶组件120与所述限位轴34固定设置。
可以理解的是，根据实际情况，所述棘轮机构还可以替换为其他的止回机构。
所述第一桨叶组件120包括第一桨叶结构124、限位枢轴126以及弹性件128，所述限位枢轴126可相对于所述第二桨叶结构124固定设置，所述弹性件128安装于所述限位枢轴126。
所述第二桨叶组件122活动安装于所述限位枢轴126，使得所述第一桨叶结构124可相对于所述第二桨叶组件122绕所述第二中轴线朝所述第二方向转动，并且所述第一桨叶结构124可相对于所述第二桨叶组件122沿所述第二中轴线移动。
所述第一桨叶结构124包括第一端齿盘1240和第一桨叶1242，所述第一桨叶1242固定连接所述第一端齿盘1240。
所述限位枢轴126可相对于所述第一端齿盘1240固定设置。
请一并参阅图6，所述第一端齿盘1240为较扁的圆柱体结构，所述第一端齿盘1240的中心线与所述第二中轴线相重合，所述第一端齿盘1240包括第一盘齿面12400、第一装配面12401以及第一侧表面12402。所述第一盘齿面12400与所述第二装配面12401相对设置，所述第二侧表面12402连接于 所述第一盘齿面12400与所述第一装配面12401之间，并且所述第一侧表面12402围绕所述第一盘齿面12400与所述第一装配面12401设置，所述第一盘齿面12400朝向所述第二桨叶组件122设置。所述第二桨叶1242连接于所述第二侧表面12402。
所述第一盘齿面12400设置有第一盘齿12403。
至少两个所述第一盘齿12403绕所述第二中轴线呈圆周分布，并且每两个相邻的所述第一盘齿12403之间等间距设置。
请一并参阅图7，每个所述第一盘齿12403包括第一坡面12404、第二坡面12405以及第一过渡面12406。所述第一过渡面12406连接于所述第一坡面12404与所述第二坡面12404之间。
所述第一坡面12404与所述第一方向呈夹角设置，并且所述第一坡面12404与所述第一盘齿面12400的坡角Q的范围为[90,180)度。在本实施例中，所述第一坡面12404与所述第一盘齿面12400的坡角Q为90度。
所述第二坡面12405与所述第二方向呈夹角设置，并且所述第二坡面12405与所述第一盘齿面12400的坡角P的范围为(0,90)度。在本实施例中，所述第二坡面12405与所述第一盘齿面12400的坡角P为45度。
所述第二过渡面12406平行于所述第二方向设置。
需要说明的是，所述第一坡面12404与所述第一方向呈夹角设置，当所述第二桨叶组件绕所述第一中轴线O并朝所述第一方向转动时，所述第二桨叶组件提供第一驱动力，并且所述驱动力的方向与所述第一方向同向，即所述第一坡面12404与所述第一方向呈夹角设置，可以使得所述驱动力可作用于所述第一坡面12404，并产生相应的分力，所述分力用于使所述第二桨叶组件122驱动所述第一桨叶结构124，所述分力方向法向于所述第一坡面12404,所述第二坡面12405与所述第二方向呈夹角设置同理，由于篇幅限制，此处不一一赘述。
所述第二桨叶组件122包括第二端齿盘1220、第二桨叶1222以及卡持结构1224。所述第二桨叶1222以及所述卡持结构1224均固定连接于所述第二端齿盘1220。
所述第二端齿盘1220套设于所述限位枢轴126，使得所述第二端齿盘1220可相对于所述第二端齿盘1240绕所述第二中轴线朝所述第二方向转动，并且可相对于所述第二端齿盘1240沿所述第二中轴线移动。
请一并参阅图8和图9，所述第二端齿盘1220为较扁的圆柱体结构，所述第二端齿盘1220的中心线与所述第二中轴线相重合，所述第二端齿盘1220包括第二盘齿面12200、第二装配面12201以及第二侧表面12202。所述第二盘齿面12200与所述第二装配面12201相对设置，所述第二侧表面12202设置于所述第二盘齿面12200与所述第二装配面12201之间，并且所述第二侧表面12202围绕所述第二盘齿面12200与所述第二装配面12201设置，所述第二盘齿面12200朝向所述第一盘齿面12400设置。所述第二桨叶1222连接于所述第二侧表面12202。
所述第二盘齿面12200设置有至少一个第二盘齿12203。
所述第二盘齿12203可抵接于所述第一盘齿12403，使得当所述第二端齿盘1220绕所述第一中轴线O朝所述第一方向转动时，所述第二端齿盘1220驱动所述第一端齿盘1240绕所述第一中轴线O朝所述第一方向转动。
具体地，所述第二盘齿12203可抵接于所述第一坡面12404，使得当所述第二端齿盘1220绕所述第一中轴线O朝所述第一方向转动时，所述第二端齿盘1220驱动所述第一端齿盘1240绕所述第一中轴线O朝所述第一方向转动。
所述第二盘齿12203可同时抵接于两个相邻的所述第一盘齿12403，使得所述第二端齿盘1220与所述第一端齿盘1240相固定。当所述第一端齿盘1240相对于所述第二端齿盘1220绕所述第二中轴线朝所述第二方向转动时，所述第一端齿盘1240相对于所述第二端齿盘1220沿所述第二中轴线移动，使得所述第二盘齿12203抵接于至多一个所述第一盘齿12403。
具体地，当所述第二盘齿12203抵接于一个所述第一盘齿12403的第一坡面12404，并且抵接于另一个所述第一盘齿12403的第二坡面12405时，使得所述第一端齿盘1240与所述第二端齿盘1220相固定。所述第二齿盘12203可抵接于至多一个所述第一盘齿1240的第二坡面12405，使得当所述第一端齿盘1240绕所述第二中轴线O相对于所述第一端齿盘1240朝所述第二方向转动时，所述第一端齿盘1240沿所述第二中轴线O相对于所述第二端齿盘 1220移动。
当所述第二盘齿12203抵接于一个所述第一盘齿12403的第一坡面12404，并且抵接于另一个所述第一盘齿12403的第二坡面12405，所述第一过渡面12406、所述第一坡面12404以及所述第二坡面12405之间形成间隙。
相似地，每个所述第二盘齿12203包括第三坡面12204、第四坡面12205以及第二过渡面12206。所述第二过渡面12206连接于所述第三坡面12204与所述第四坡面12205之间。
所述第三坡面12204可抵接于至多一个所述第一盘齿12403的第一坡面12404。
所述第四坡面12205可抵接于至多一个所述第一盘齿12403的第二坡面12405。
所述第二过渡面12206可抵接于至多一个所述第一盘齿12403的第一过渡面12406。
在本实施例中，请复参阅图5，所述限位枢轴126安装于所述第一端齿盘1240，使得所述限位枢轴126相对于所述第二端齿盘1240固定设置。在其他一些实施例中，所述限位枢轴126与所述第二端齿盘1240一体化设置。
所述限位枢轴126包括第一限位部1260、连接部1262以及第二限位部1264。所述第一限位部1260与所述第二限位部1264相对设置，所述连接部1262连接于所述第一限位部1260与所述第二限位部1264之间。
所述限位枢轴126设置有第一过轴孔1266，所述第一过轴孔1266依次贯穿所述第一限位部1260、所述连接部1262以及所述第二限位部1264，所述第一过轴孔1266的中心线与所述第一中轴线O相重合。
所述连接部1262为圆柱体结构，其中心线与所述第二中轴线相重合。
所述第一限位部1260为较扁的圆柱体结构，其中心线与所述第二中轴线O相重合，所述第一限位部1260的直径大于所述连接部1262的直径。
所述第二限位部1264为圆环状结构，其中心线与所述第二中轴线O相重合，所述第二限位部1264的直径大于所述连接部1262的直径。
所述第一端齿盘1240和所述第二端齿盘1220均套设于所述连接部1262， 所述第一端齿盘1240抵接于所述第二限位部1264与所述第二端齿盘1220之间，使得所述连接部1262相对于所述第一端齿盘1220相固定，所述第二端齿盘套1220设于所述连接部1262，所述第二端齿盘1240位于所述第一端齿盘1220与所述第二限位部1264之间。
所述弹性件128为压簧，所述弹性件128套设于所述连接部1262，并且抵接于所述第二端齿盘1220与所述第二限位部1264之间，所述弹性件128用于提供将所述第一端齿盘1240压向所述第二端齿盘1220的压力，使得所述第一盘齿12403抵接于所述第二盘齿12203。
请一并参阅图10，至少一个所述卡持结构1224设置于所述第二装配面12201，并且至少一个所述卡持结构1224绕所述第二中轴线O呈圆周分布。
每个所述卡持结构1224可由刚性材质制得，例如硬质塑料或者铝合金，每个所述卡持结构1224包括连接臂12242以及连接于所述连接臂12242的卡持臂12240。所述连接臂12242的一端连接于所述第二端齿盘1220的第一装配面12201，另一端连接于所述卡持臂12240。所述卡持臂12240朝远离所述第二中轴线O的方向延伸。
请一并参阅图11和图12，所述固定座11可由刚性材质制得，例如硬质塑料或者铝合金，所述固定座11设置有限位槽110、容置槽112、卡扣槽114以及安装孔116。
所述限位槽110设置于所述固定座11朝向所述第二端齿盘1220的一面，所述限位槽110的中心线与所述第二中轴线O相重合，所述限位槽110的槽底设置有第二过轴孔118，所述第二过轴孔118的中心线与所述第一中轴线O相重合。
所述限位枢轴126的第二限位部1264收容于所述限位槽110，并且所述第二限位部1264背离所述连接部1262的一面抵接于所述限位槽110的槽底，所述第二端齿盘可相对于所述固定座11绕所述第二中轴线O转动，并且可相对于所述固定座11沿所述第二中轴线O移动。
当所述卡持臂12240位于所述固定座11与所述第二端齿盘1220之间时， 所述第二端齿盘1220可相对于所述固定座11绕所述第二中轴线O转动，使得所述第二端齿盘1220位于第一预设位置；当所述第二端齿盘1220位于第一预设位置时，所述第二端齿盘1220可相对于所述固定座11沿所述第二中轴线O移动至第二预设位置，使得所述固定座11位于所述卡持臂12240与所述第二端齿盘1220之间；当所述第二端齿盘1220位于第二预设位置时，所述第二端齿盘1220可相对于所述固定座11绕所述第二中轴线O转动至第三预设位置，使得所述卡持臂12240可抵接于固定座11背离所述第二端齿盘1220的一面，使得所述第二端齿盘1220相对于所述固定座11固定；所述弹性件128还用于提供将所述第二端齿盘1220远离所述固定座11的拉力，使得当所述第二端齿盘1220相对于所述固定座11绕所述第二中轴线O转动至第三预设位置时，所述卡持臂1240可抵接于所述固定座11背离所述第二端齿盘1220的一面。
所述容置槽112与所述限位槽110位于所述固定座11的同一面。当所述第二端齿盘1220位于第一预设位置时，所述卡持臂12240可穿过所述容置槽112，使得所述第二端齿盘1220相对于所述固定座11沿所述第二中轴线O移动至第二预设位置；当所述第二端齿盘1220位于第二预设位置时，所述连接臂12242可沿所述容置槽112移动，使得所述第二端齿盘1220相对于所述固定座11绕所述第二中轴线O转动至第三预设位置。
所述容置槽112包括第一槽壁1120、第二槽壁1122以及第三槽壁1124。所述第一槽壁1120、所述第二槽壁1122以及所述第三槽壁1124均为弧面，所述第一槽壁1120的中心线、所述第二槽壁1122的中心线以及所述第三槽壁1124的中心线均与所述第二中轴线O相重合。所述第一槽壁1120与所述第二槽壁1122相对设置，所述第三槽壁1124与所述第一槽壁1120相对设置，所述第一槽壁1120背离所述第二中轴线O设置。
当所述第二端齿盘1220位于第一预设位置时，所述卡持臂11240可穿过所述第一槽壁1120与所述第二槽壁1122之间的第一容置位1126；当所述第二端齿盘1220位于第二预设位置时，所述连接臂12242可由所述第一容置位1126移动至第二容置位1128，所述第二容置1128位于所述第一槽壁1120与所述第三槽壁1124之间。
所述卡扣槽114与所述限位槽110位于所述固定座11的相反侧。
当所述第二端齿盘1220位于第三预设位置时，所述卡持臂12240可收容于所述卡扣槽114，并且所述卡持臂12240抵接于所述卡扣槽114的卡扣槽底1140，使得所述第二端齿盘1220相对于所述固定座11固定。
所述卡扣槽114还包括第一限位壁1142和第二限位壁1144。
所述第一限位壁1142与所述第二限位壁1144相对设置，所述卡扣槽底1140连接于所述第一限位壁1142与所述第二限位壁1144之间。
所述第一限位壁1142与所述第一方向呈夹角设置，所述第二限位壁1144与所述第二方向呈夹角设置。
当所述卡持臂12240抵接于所述卡扣槽底1140时，所述卡持臂12240抵接于所述第一限位壁1142，并且所述卡持臂12240抵接于所述第二限位壁1144。
当所述第二端齿盘1220相对于所述固定座11固定时，所述弹性件128可抵接于所述第二端齿盘1220，使得所述第二端齿盘1220抵接于所述第一端齿盘1240。
多个所述安装孔116与所述限位槽110位于所述固定座11的同一面，每个所述安装孔116位于两个所述相邻的所述容置槽112之间，所述安装孔116为沉头孔。
请复参阅图3，所述驱动装置20为无刷电机，所述驱动装置20包括转子21和定子22，所述定子22为轴体，所述定子22的中心线与所述第一中轴线O相重合，所述转子21围绕所述定子22设置，所述转子21可相对于所述定子22绕所述第一中轴线O转动。
所述固定座11通过每个螺栓穿过一个对应的安装孔116与所述转子21相固定，所述定子22穿过所述固定座11的第二过轴孔118，并且收容于所述限位枢轴126的第一过轴孔1266。所述驱动装置20用于驱动所述固定座绕所述第一中轴线O朝第一方向转动。
在本实施例中，所述第一盘齿1243为偶数个，当所述第一端齿盘1220相对于所述第二端齿盘1240绕所述第二中轴线朝所述第二方向转动时，所述第一端齿盘1240可转180度。
值得说明的是，通过将所述第一盘齿1243设置为偶数个，可使得所述第一桨叶1242与所述第二桨叶1222在完全展开时位于同一直线上，在所述第一桨叶1242与所述第二桨叶1222折叠时也位于同一直线上，即所述第一桨叶1242与所述第二桨叶1222重叠，使得所述第一桨叶1242与所述第二桨叶1222在折叠时占用空间少。
所述螺旋桨组件10使用时，可分为展开状态和折叠状态。
当所述螺旋桨组件10由所述展开状态转化为所述折叠状态时，使所述第一端齿盘1220相对于所述第二端齿盘1240绕所述第二中轴线朝所述第二方向转动，至所述第一桨叶1242与所述第二桨叶1222相重叠。
当所述螺旋桨组件10由所述折叠状态转为所述展开状态时，使所述第一端齿盘1240相对于所述第二端齿盘1220绕所述第二中轴线朝所述第二方向转动，至所述第一桨叶1242与所述第二桨叶1222处于同一直线上。
与现有技术相比较,本发明实施例提供的螺旋桨组件10、动力组件100以及无人飞行器中，所述螺旋桨组件10包括螺旋桨12，所述螺旋桨12包括第一桨叶组件120；第二桨叶组件122，活动安装于所述第一桨叶组件120；当所述第二桨叶组件122绕第一中轴线O朝第一方向转动时，所述第二桨叶组件122驱动所述第一桨叶组件120绕所述第一中轴线O朝所述第一方向转动；所述第一桨叶组件120可相对于所述第二桨叶组件122绕所述第二中轴线朝所述第二方向转动，所述第一方向和所述第二方向相反设置。通过上述设置，所述第一桨叶组件120可相对于所述第二桨叶组件122转动以折叠或展开所述螺旋桨，使得所述螺旋桨组件10在携带的过程占用空间少，并且不易折断。
最后应说明的是：以上实施例仅用以说明本发明的技术方案，而非对其限制；在本发明的思路下，以上实施例或者不同实施例中的技术特征之间也可以进行组合，步骤可以以任意顺序实现，并存在如上所述的本发明的不同 方面的许多其它变化，为了简明，它们没有在细节中提供；尽管参照前述实施例对本发明进行了详细的说明，本领域的普通技术人员应当理解：其依然可以对前述各实施例所记载的技术方案进行修改，或者对其中部分技术特征进行等同替换；而这些修改或者替换，并不使相应技术方案的本质脱离本发明各实施例技术方案的范围。

Claims (27)

  1. 一种螺旋桨组件，包括螺旋桨，其特征在于，所述螺旋桨包括：
    第一桨叶组件；
    第二桨叶组件，活动安装于所述第一桨叶组件；
    当所述第二桨叶组件绕第一中轴线朝第一方向转动时，所述第二桨叶组件驱动所述第一桨叶组件绕所述第一中轴线朝所述第一方向转动；
    所述第一桨叶组件可相对于所述第二桨叶组件绕所述第二中轴线朝所述第二方向转动，所述第一方向和所述第二方向相反设置。
  2. 根据权利要求1所述的螺旋桨组件，其特征在于，所述第一中轴线与所述第二中轴线相重合设置。
  3. 根据权利要求1或2所述的螺旋桨组件，其特征在于，所述第一桨叶组件包括第一桨叶结构和限位枢轴；
    所述限位枢轴可相对于所述第一桨叶结构固定设置；
    所述第二桨叶组件活动安装于所述限位枢轴，使得所述第一桨叶结构可相对于所述第二桨叶组件绕所述第二中轴线朝所述第二方向转动。
  4. 根据权利要求3所述的螺旋桨组件，其特征在于，所述第一桨叶结构包括第一端齿盘；
    所述限位枢轴可相对于所述第一端齿盘固定设置，所述第一端齿盘包括第一盘齿面，所述第一盘齿面设置有第一盘齿；
    所述第二桨叶组件包括第二端齿盘；
    所述第二端齿盘套设于所述限位枢轴，使得所述第一端齿盘可相对于所述第二端齿盘绕所述第二中轴线朝所述第二方向转动，并且可相对于所述第二端齿盘沿所述第二中轴线移动；
    所述第二端齿盘包括第二盘齿面；
    所述第二盘齿面朝向所述第一盘齿面设置，所述第二端齿面设置有第二盘齿；
    所述第二盘齿可抵接于所述第一盘齿，使得当所述第二端齿盘绕所述第一中轴线朝所述第一方向转动时，所述第二端齿盘驱动所述第一端齿盘绕所述第一中轴线朝所述第一方向转动。
  5. 根据权利要求4所述的螺旋桨组件，其特征在于，所述第一盘齿包括第一坡面；
    所述第一坡面与所述第一方向呈夹角设置，并且所述第一坡面与所述第一盘齿面的坡角的范围为[90,180)度；
    所述第二盘齿可抵接于所述第一坡面，使得当所述第一端齿盘绕所述第一中轴线朝所述第一方向转动时，所述第二端齿盘驱动所述第一端齿盘绕所述第一中轴线朝所述第一方向转动。
  6. 根据权利要求5所述的螺旋桨组件，其特征在于，所述第一坡面与所述第一盘齿面的坡角为90度。
  7. 根据权利要求5或6所述的螺旋桨组件，其特征在于，所述第二盘齿包括第三坡面，所述第三坡面可抵接于所述第一坡面。
  8. 根据权利要求4至7任一项所述的螺旋桨组件，其特征在于，所述第一盘齿的数量至少为两个；
    至少两个所述第一盘齿绕所述第一中轴线呈圆周分布；
    所述第二盘齿可同时抵接于两个相邻的所述第一盘齿，使得所述第一端齿盘与所述第二端齿盘相对固定；
    所述第二端齿盘可相对于所述第一端齿盘沿所述第二中轴线移动；
    当所述第二端齿盘相对于所述第一端齿盘绕所述第一中轴线朝所述第一方向转动时，所述第一端齿盘可相对于所述第二端齿盘沿所述第二中轴线移动，使得所述第二盘齿抵接于至多一个所述第一盘齿。
  9. 根据权利要求8所述的螺旋桨组件，其特征在于，每个所述第一盘齿还包括第二坡面；
    所述第二坡面与所述第二方向呈夹角设置，并且所述第二坡面与所述第一盘齿面的坡角的范围为(0,90)度；
    当所述第二盘齿抵接于一个所述第一盘齿的第一坡面，并且抵接于另一个所述第一盘齿的第二坡面，使得所述第一端齿盘与所述第二端齿盘相固定；
    所述第二齿盘可抵接于至多一个所述第一盘齿的第二坡面，使得当所述第二端齿盘绕所述第二中轴线相对于所述第一端齿盘朝所述第二方向转动时，所述第一端齿盘沿所述第二中轴线相对于所述第二端齿盘移动。
  10. 根据权利要求9所述的螺旋桨组件，其特征在于，所述第二坡面与 所述第二盘齿面的坡角的范围为45度。
  11. 根据权利要求9或10所述的螺旋桨组件，其特征在于，所述第二盘齿包括第四坡面，所述第四坡面可抵接于至多一个所述第一盘齿的第二坡面。
  12. 根据权利要求11所述的螺旋桨组件，其特征在于，所述第二盘齿还包括第二过渡面；
    所述第二过渡面连接于所述第三坡面与所述第四坡面之间；
    当所述第三坡面抵接于一个所述第一盘齿的第一坡面，并且所述第四坡面抵接于另一个所述第二盘齿的第二坡面，所述第二过渡面、所述第一坡面以及所述第二坡面之间形成间隙。
  13. 根据权利要求12所述的螺旋桨组件，其特征在于，所述第一盘齿还包括第一过渡面；
    所述第一过渡面连接于所述第一坡面与所述第二坡面之间；
    所述第二过渡面可抵接于所述第一过渡面。
  14. 根据权利要求4至13任一项所述的螺旋桨组件，其特征在于，所述第一桨叶组件还包括弹性件；
    所述弹性件用于提供将所述第一端齿盘压向所述第二端齿盘的压力，使得所述第一盘齿抵接于所述第二盘齿。
  15. 根据权利要求14所述的螺旋桨组件，其特征在于，所述限位枢轴包括连接部和第一限位部；
    所述连接部固定连接于所述第二限位部；
    所述第一端齿盘可相对于所述连接部固定设置，所述第二端齿盘套设于所述连接部，所述弹性件抵接于所述第二限位部与所述第二端齿盘之间。
  16. 根据权利要求15所述的螺旋桨组件，其特征在于，所述限位枢轴与所述第一端齿盘活动连接；
    所述限位枢轴还包括第一限位部；
    所述连接部连接于所述第一限位部与所述第二限位部之间；
    所述第一端齿盘套设于所述连接部，并且所述第一端齿盘可抵接于所述第一限位部，使得所述限位枢轴相对于所述第一端齿盘固定。
  17. 根据权利要求16所述的螺旋桨组件，其特征在于，所述螺旋桨组件还包括固定座；
    所述固定座用于安装于驱动装置的转子，所述驱动装置用于驱动所述固定座绕所述第一中轴线转动；
    所述螺旋桨可与所述固定座卡接，使得所述螺旋桨相对于所述固定座固定。
  18. 根据权利要求17所述的螺旋桨组件，其特征在于，所述固定座设置有限位槽；
    所述第二限位部收容于所述限位槽，并且所述第二限位部抵接于所述限位槽的槽底，使得所述第二端齿盘可相对于所述固定座绕所述第二中轴线转动，并且可相对于所述固定座沿所述第二中轴线移动。
  19. 根据权利要求18所述的螺旋桨组件，其特征在于，所述第二螺旋桨组件还包括卡持结构；
    所述卡持结构设置于所述第二端齿盘背离所述第二盘齿面的一面；
    所述卡持结构包括卡持臂；
    当所述卡持臂位于所述固定座与所述第二端齿盘之间时，所述第二端齿盘可相对于所述固定座绕所述第二中轴线转动，使得所述第二端齿盘位于第一预设位置；
    当所述第二端齿盘位于第一预设位置时，所述第二端齿盘可相对于所述固定座沿所述第二中轴线移动至第二预设位置，使得所述固定座位于所述卡持臂与所述第二端齿盘之间；
    当所述第二端齿盘位于第二预设位置时，所述第二端齿盘可相对于所述固定座绕所述第二中轴线转动至第三预设位置，使得所述卡持臂可抵接于固定座背离所述第二端齿盘的一面，使得所述第二端齿盘相对于所述固定座固定；
    所述弹性件还用于提供将所述第二端齿盘远离所述固定座的拉力，使得当所述第二端齿盘相对于所述固定座绕所述第二中轴线转动至第三预设位置时，所述卡持臂可抵接于所述固定座背离所述第二端齿盘的一面。
  20. 根据权利要求19所述的螺旋桨组件，其特征在于，所述卡持结构可由刚性材质制得；
    所述固定座可由刚性材质制得。
  21. 根据权利要求19或20所述的螺旋桨组件，其特征在于，
    所述卡持结构还包括连接臂，所述连接臂连接于所述卡持臂与所述第二端齿盘之间；
    所述固定座还设置有容置槽；
    所述容置槽与所述限位槽位于所述固定座的同一表面；
    当所述第二端齿盘位于第一预设位置时，所述卡持臂可穿过所述容置槽，使得所述第二端齿盘相对于所述固定座沿所述第二中轴线移动至第二预设位置；
    当所述第二端齿盘位于第二预设位置时，所述连接臂可沿所述容置槽移动，使得所述第二端齿盘相对于所述固定座绕所述第二中轴线转动至第三预设位置。
  22. 根据权利要求21所述的螺旋桨组件，其特征在于，所述容置槽包括第一槽壁、第二槽壁以及第三槽壁；
    所述第一槽壁、所述第二槽壁以及所述第三槽壁均为弧面，所述第一槽壁的中心线、所述第二槽壁的中心线以及所述第三槽壁的中心线均与所述第二中轴线相重合；
    所述第一槽壁与所述第二槽壁相对设置，所述第三槽壁与所述第一槽壁相对设置，所述第一槽壁背离所述第二中轴线设置；
    所述卡持臂朝远离所述第二中轴线的方向延伸；
    当所述第二端齿盘位于第一预设位置时，所述卡持臂可穿过所述第一槽壁与所述第二槽壁之间的第一容置位；
    当所述第二端齿盘位于第二预设位置时，所述连接臂可由所述第一容置位移动至第二容置位，所述第二容置位于所述第一槽壁与所述第三槽壁之间。
  23. 根据权利要求22所述的螺旋桨组件，其特征在于，所述固定座还设置有卡扣槽；
    所述卡扣槽与所述限位槽位于所述固定座的相反侧；
    当所述第二端齿盘位于第三预设位置时，所述卡持臂可收容于所述卡扣槽，并且所述卡持臂抵接于所述卡扣槽的卡槽底，使得所述第二端齿盘相对于所述固定座固定。
  24. 根据权利要求23所述的螺旋桨组件，其特征在于，所述卡扣槽还包括第一限位壁和第二限位壁；
    所述第一限位壁与所述第二限位壁相对设置，所述卡槽底位于所述第一限位壁与所述第二限位壁之间；
    所述第一限位壁与所述第一方向呈夹角设置，所述第二限位臂与所述第二方向呈夹角设置；
    当所述卡持臂抵接于所述卡扣槽的槽底时，所述卡持臂抵接于所述第一限位壁，并且所述卡持臂抵接于所述第二限位壁。
  25. 根据权利要求17至24任一项所述的螺旋桨组件，其特征在于，当所述第二端齿盘相对于所述固定座固定时，所述弹性件可抵接于所述第二端齿盘，使得所述第二端齿盘抵接于所述第一端齿盘。
  26. 一种动力组件，其特征在于，包括：
    权利要求1至25所述的螺旋桨组件；
    驱动装置，用于驱动所述螺旋桨绕所述第一中轴线朝第一方向转动。
  27. 一种无人飞行器，其特征在于，所述无人飞行器包括机身、与所述机身相连的机臂以及设置在所述机臂上的、如权利要求26所述的动力组件。
PCT/CN2019/097335 2018-08-10 2019-07-23 一种螺旋桨组件、动力组件及无人飞行器 Ceased WO2020029796A1 (zh)

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