CN108725774A - Blade, propeller, power plant and multi-rotor aerocraft - Google Patents
Blade, propeller, power plant and multi-rotor aerocraft Download PDFInfo
- Publication number
- CN108725774A CN108725774A CN201810615166.2A CN201810615166A CN108725774A CN 108725774 A CN108725774 A CN 108725774A CN 201810615166 A CN201810615166 A CN 201810615166A CN 108725774 A CN108725774 A CN 108725774A
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- China
- Prior art keywords
- propeller
- blade
- lid
- lock
- fitting
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Classifications
-
- 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
- B64C27/48—Root attachment to rotor head
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C27/00—Rotorcraft; Rotors peculiar thereto
- B64C27/04—Helicopters
- B64C27/12—Rotor drives
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- 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
- B64C27/50—Blades foldable to facilitate stowage of aircraft
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64U—UNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
- B64U10/00—Type of UAV
- B64U10/10—Rotorcrafts
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64U—UNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
- B64U50/00—Propulsion; Power supply
- B64U50/10—Propulsion
- B64U50/19—Propulsion using electrically powered motors
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- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Remote Sensing (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
Abstract
The disclosure is directed to a kind of blade, propeller, power plant and multi-rotor aerocraft, which includes：Blade ontology and interconnecting piece set on the root of the blade ontology, the axis hole that the connecting shaft that the interconnecting piece includes with paddle presss from both sides is adapted to and the opening for the connecting shaft to be assemblied in the axis hole；Wherein, the opening is connected to the axis hole, and the opening is less than the diameter of the connecting shaft with the size of the connectivity part of the axis hole.A kind of blade of fast demountable that devises of the disclosure facilitates the assembly of blade under the blade is directly assemblied in the connecting shaft of paddle folder in the case of may not need by tool or is dismantled from the connecting shaft that paddle presss from both sides.
Description
Technical field
This disclosure relates to air vehicle technique field more particularly to a kind of blade, propeller, power plant and more rotor flyings
Device.
Background technology
Carry-on propeller is the key element of aircraft, and propeller is used for the driving motor or hair of aircraft
The rotation of shaft is converted into motive force in motivation, to provide the power of flight for aircraft.Blade on existing propeller with
Paddle presss from both sides generally use and is integrally formed setting, and blade is caused to cannot be satisfied the demand for folding Quick Release；Or blade and paddle folder can be with
It is fixed on paddle folder by the modes such as riveting Step Shaft or lock station rank screw and nut, so when propeller dismounting is packed up, Yong Huxu
It to be not convenient for the assembly and dismounting of blade really by tool.
Invention content
In view of this, the disclosure is a kind of to meet blade, propeller, power plant and the multi-rotor aerocraft for folding Quick Release
To solve the above technical problems.
According to the first aspect of the embodiments of the present disclosure, a kind of blade is provided, including：Blade ontology and be set to the paddle
The interconnecting piece of the root of leaf ontology, the axis hole and be used for the company that the connecting shaft that the interconnecting piece includes with paddle presss from both sides is adapted to
Spindle is assemblied in the opening of the axis hole；
Wherein, the opening is connected to the axis hole, and the size of the opening and the connectivity part of the axis hole is less than institute
State the diameter of connecting shaft.
Further, the size of the entrance of the opening is more than the diameter of the connecting shaft, in the entrance to the axis
On the direction in hole, the size of the opening reduces.
Further, the interconnecting piece is at least made in the opening and the connectivity part of the axis hole of elastic material.
Further, the interconnecting piece is arranged with described this body by integral forming of blade.
Further, the top of the interconnecting piece is circular arc type.
According to the second aspect of the embodiment of the present disclosure, a kind of propeller is provided, including：Paddle presss from both sides and above-mentioned blade,
The paddle folder includes connecting shaft, and the blade is removably attachable to the connecting shaft and is moved by shaft rotation of the connecting shaft.
Further, the paddle folder further includes the upper clip being oppositely arranged and lower clamping piece and at least two set on described
Fitting for lock on lower clamping piece；
Wherein, the connecting shaft is connected between the upper clip and lower clamping piece, and the propeller passes through the fitting for lock
It is assemblied in Power Component and is rotated by the Power Component.
Further, the fitting for lock includes that lock prolongs with ontology and in the free end outward bending of the lock with ontology
The latch hook of stretching；Wherein, by the way that the latch hook to be assemblied on the lid of the Power Component, and relative to the lid rotate with
The latch hook card is set to be assigned on the lid, so that the propeller is assemblied on the Power Component.
Further, further include on the fitting for lock be set to the latch hook on positioning pin, for on the lid
Limiting slot coordinates, so that the locking of propeller is on the Power Component.
Further, paddle folder further includes the jack-post for being connected to the upper clip and the lower clamping piece, in the jack-post
Sky is arranged to assemble the motor shaft of the Power Component.
Further, the upper clip, the lower clamping piece and the connecting shaft are integrally formed setting.
According to the third aspect of the embodiment of the present disclosure, a kind of power plant is provided, including：Power Component and as above-mentioned
Any one of described in propeller, the Power Component includes driving motor and the lid that is assemblied on the driving motor,
The propeller is removably assemblied on the lid.
Further, the lid includes lid main body and the pilot hole in the lid main body, the pilot hole packet
Include the limited mouth for being fitted into the installation opening of the lid main body for the fitting for lock on paddle folder and matching with fitting for lock cooperation card；
Wherein, in the axial direction of the lid main body, the size of the installation opening is more than the size of the limited mouth.
Further, further include the limiting slot being connected to the limited mouth in the lid main body, the installation opening with it is described
Limiting slot is divided into the both sides of the limited mouth, the limiting slot be used for the detent fit on the fitting for lock so that institute
Locking of propeller is stated on the Power Component.
Further, the lid further includes the axis hole being set in the lid main body, for assembling the driving motor
Motor shaft.
Further, the lid further includes the receiving portion being set in the lid main body and is assemblied in described accommodation section
Interior elastic component, the motor shaft are connected to the propeller through the elastic component；
Wherein, by compressing the elastic component so that the fitting for lock is fitted into the lid main body from the installation opening；Institute
Elastic component is stated under restoring force so that the fitting for lock card is assigned in the limited mouth.
Further, described accommodation section includes the first accommodating chamber and the second accommodating chamber, wherein the diameter of first accommodating chamber
It is more than the radial dimension of second accommodating chamber to size, the elastic component is fixed in first accommodating chamber.
According to the fourth aspect of the embodiment of the present disclosure, a kind of multi-rotor aerocraft is provided, including：Fuselage, be set to it is described
Horn and such as above-mentioned power plant, the power plant on fuselage are set to the free end of the horn.
The technical scheme provided by this disclosed embodiment can include the following benefits：
The disclosure devises a kind of blade of fast demountable, and the blade is direct in the case of may not need by tool
Under being assemblied in the connecting shaft of paddle folder or being dismantled from the connecting shaft that paddle presss from both sides, the assembly of blade is facilitated.
The disclosure devises a kind of propeller with fast demountable blade, and blade not only can be with fast assembling-disassembling in spiral
On the paddle of paddle presss from both sides, and it can press from both sides and rotate relative to paddle, to make blade that can press from both sides folding by paddle relatively, so that propeller is in inoperative shape
It is folded when state, plays the role of protecting blade, and keep the occupied space of propeller smaller.
A kind of power plant and the multi-rotor aerocraft with it has also been devised in the disclosure, wherein blade, which may not need, to be borrowed
And it can be opposite under assistant engineer is directly assemblied in the connecting shaft of paddle folder in the case of having or is dismantled from the connecting shaft that paddle presss from both sides
Paddle folder rotation, so that propeller is folded in off working state, plays protection blade to make blade that can press from both sides folding by paddle relatively
Effect, and keep the occupied space of propeller smaller.
It should be understood that above general description and following detailed description is only exemplary and explanatory, not
The disclosure can be limited.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of blade shown in one exemplary embodiment of the disclosure；
Fig. 2 is a kind of structural schematic diagram of propeller shown in one exemplary embodiment of the disclosure；
Fig. 3 is a kind of structural schematic diagram of the paddle folder of propeller shown in one exemplary embodiment of the disclosure；
Fig. 4 is a kind of structural schematic diagram of the paddle folder of propeller shown in disclosure another exemplary embodiment；
Fig. 5 is a kind of decomposition diagram of power plant shown in one exemplary embodiment of the disclosure；
Fig. 6 is the structural schematic diagram of Power Component in a kind of power plant shown in one exemplary embodiment of the disclosure；
Fig. 7 is the diagrammatic cross-section of Power Component in a kind of power plant shown in one exemplary embodiment of the disclosure；
Fig. 8 is the structural schematic diagram of lid in a kind of power plant shown in one exemplary embodiment of the disclosure；
Fig. 9 is a kind of structural schematic diagram of multi-rotor aerocraft shown in one exemplary embodiment of the disclosure.
Specific implementation mode
The disclosure is described in detail below with reference to specific implementation mode shown in the drawings.But these embodiments are simultaneously
The disclosure is not limited, structure that those skilled in the art are made according to these embodiments, method or functionally
Transformation is all contained in the protection domain of the disclosure.
It is the purpose only merely for description specific embodiment in the term that the disclosure uses, is not intended to be limiting the disclosure.
The "an" of singulative used in disclosure and the accompanying claims book, " described " and "the" are also intended to including majority
Form, unless context clearly shows that other meanings.It is also understood that term "and/or" used herein refers to and wraps
Containing one or more associated list items purposes, any or all may be combined.
Below in conjunction with the accompanying drawings, it elaborates to some embodiments of the disclosure, it is in the absence of conflict, following
Feature in embodiment and embodiment can be combined with each other.
As shown in figures 1 and 3, the blade 1 of the embodiment of the present disclosure is including blade ontology 11 and set on blade ontology 11
The interconnecting piece 12 of root, in one embodiment, which is integrally formed with blade ontology 11 is arranged.The interconnecting piece 12 includes
The axis hole 121 being adapted to the connecting shaft 23 of paddle folder 2 and the opening 122 for connecting shaft 23 to be assemblied in axis hole 121.In paddle
After leaf 1 is assemblied in paddle folder 2, which can be dynamic for shaft rotation with connecting shaft 23.
Wherein, the opening 122 on interconnecting piece 12 is connected to axis hole 121, and the ruler of the connectivity part of be open 122 and axis hole 121
The very little diameter less than connecting shaft 23.When blade 1 is assemblied in paddle folder 2, blade 1 is by the opening 122 of interconnecting piece 12 in alignment with paddle
Then connecting shaft 23 is firmly slid into from opening 122 in axis hole 121, blade 1 can so assembled by the connecting shaft 23 of folder 2
In on paddle folder 2, the size of the opening 122 and axis hole 121 being connected to out is less than the diameter of connecting shaft 23, can prevent blade 1 from
It falls off on paddle folder 2.
In one embodiment, be open 122 entrance size be more than connecting shaft 23 diameter, in entrance to axis hole 121
On direction, be open 122 size reduce.In the present embodiment, after connecting shaft 23 enters opening 122, pass through 122 sizes that are open
Reduction can guide connecting shaft 23 to axis hole 121, be so assemblied in order to blade 1 in the connecting shaft 23 of paddle folder 2.
Further, which is at least made in opening 122 and the connectivity part of axis hole 121 of elastic material, when
So, the interconnecting piece 12 or elastic material are made.Wherein, when blade 1 is assemblied in paddle folder 2, by forcing in blade 1,
So that opening 122 and the connectivity part of axis hole 121 can be with deformation, to make the connecting shaft 23 of paddle folder 2 be fitted into axis hole 121.Or
When person's blade 1 is removed from paddle folder 2, by forcing in blade 1, so that opening 122 and the connectivity part of axis hole 121 can be with shapes
Become, to make blade 1 be disassembled from connecting shaft 23.
Since blade 1 can be dynamic for shaft rotation with connecting shaft 23, to allow the blade 1 to be folded with respect to paddle folder 2 or exhibition
It opens.In order to coordinate blade 1 that can press from both sides 2 rotations relative to paddle, the top of the interconnecting piece 12 is circular arc type, can so reduce interconnecting piece
Interference of 12 pairs of blades 1 relative to 2 rotation of paddle folder.In the present embodiment, blade 1 without using when, can make blade 1 with respect to paddle press from both sides
2 fold, and can so reduce the occupied space of propeller 10；Blade 1 is in use state, driving of the paddle folder 2 in driving motor
Lower drive blade 1 rotates, so that blade 1 is thrown away from folded state to unfolded state under the influence of centrifugal force, realizes blade 1
Rotation, to provide flying power for the carrier for assembling the propeller 10.
The blade of the disclosure can meet fast assembling-disassembling, which is directly assemblied in paddle in the case of may not need by tool
Under being dismantled in the connecting shaft of folder or from the connecting shaft that paddle presss from both sides, the assembly of blade is facilitated.
If 1 to shown in Fig. 4, according to the another aspect of the embodiment of the present disclosure, a kind of propeller 10, the propeller are additionally provided
10 include that paddle presss from both sides 2 and is assemblied in the blade 1 of paddle folder 2, and the concrete structure of blade 1 is as described in above-described embodiment, herein just no longer
It repeats.Wherein, paddle folder 2 includes connecting shaft 23, and blade 1 is removably attachable to connecting shaft 23 and with the connecting shaft 23 for shaft rotation
It is dynamic, so that blade 1 is folded with respect to paddle folder 2 or expansion.In addition, the blade 1 utilizes the opening 122 and axis hole on interconnecting piece 12
121 so that blade 1 can be dismounted rapidly in connecting shaft 23, so as to meet blade 1 without auxiliary tool
Fast assembling-disassembling.
Into one, paddle folder 2 further includes that the upper clip 21 being oppositely arranged and lower clamping piece 22 and at least two are set to lower folder
Fitting for lock 24 on piece 22, propeller 10 are assemblied in Power Component 31 by fitting for lock 24 and turn under the driving of Power Component 31
It is dynamic.Wherein, connecting shaft 23 is connected between upper clip 21 and lower clamping piece 22.Preferably, the upper clip 21, lower clamping piece 22 and company
Spindle 23 is integrally formed setting, i.e., paddle folder 2, which can be integrally formed, is made, and such setting can be molded and accurately control
Height in paddle folder 2 between upper lower clamping piece (21,22) so that the structural strength of propeller 10 is high, dynamic balancing more preferably, vibration amplitude
Small and propeller 10 paddle imitates higher.In the present embodiment, the upper clip 21, lower clamping piece 22 and connecting shaft 23 are by nylon and glass
Fine mixing material is made or is made of the mixing material of nylon and carbon fiber.
In one embodiment, fitting for lock 24 includes lock with ontology 241 and in free end bent outward of the lock with ontology 241
Roll over the latch hook 242 extended.Wherein, by the way that latch hook 242 to be assemblied on the lid 312 of Power Component 31, and opposite lid 312
It rotates so that the card of latch hook 242 is assigned on lid 312, so that propeller 10 is assemblied on Power Component 31, to Power Component 31
Propeller 10 can be driven to rotate.In the present embodiment, fitting for lock 24 uses at least two, and two fitting for lock 24 block respectively assigned in lid
On body 312, it so can just ensure that propeller 10 is assemblied in the stability of lid 312.Optionally, on the propeller 10 of the disclosure
If there are three fitting for lock 24, three fitting for lock 24 are equally spacedly set on the annulus of same circle, so can further be ensured
Propeller 10 can firmly be assemblied in lid 312.
Wherein, on the fitting for lock 24 further include the positioning pin 243 being set on latch hook 242, be used for and the limit on lid 312
Slot 3124 coordinates, so that propeller 10 is locked on Power Component 31.Specifically, in fitting for lock 24 after being fitted into lid 312,
By being rotated relative to lid 312, when positioning pin 243 slides into limiting slot 3124, the card of latch hook 242 is assigned on lid 312 at this time, i.e.,
Assert that the fitting for lock 24 is completed card with lid 312 and matched.It, can by the cooperation of positioning pin 243 and limiting slot 3124 in the present embodiment
To prevent propeller 10 from being loosened out from lid 312 in rotation process.
Further, paddle folder 2 further includes the jack-post 25 for being connected to upper clip 21 and lower clamping piece 22, and jack-post 25 is hollow sets for this
It sets for assembling the motor shaft 3111 of Power Component 31, to allow Power Component 31 to drive the propeller 10.Wherein, should
Jack-post 25 can also be integrally formed with upper clip 21, lower clamping piece 22 to be arranged, that is, is integrally formed and is made, the making material of jack-post 25
It can be identical as upper clip 21 and lower clamping piece 22.
The disclosure devises a kind of propeller 10 with fast demountable blade 1, blade 1 not only can with fast assembling-disassembling in
On the paddle folder 2 of propeller 10, and 2 rotations can be pressed from both sides relative to paddle, to make blade 1 paddle folder 2 can fold relatively, so that propeller
10 fold in off working state, play the role of protecting blade 1, and keep 10 occupied space of propeller smaller.
As shown in Fig. 5 to Fig. 8, according to the another aspect of the embodiment of the present disclosure, a kind of power plant 3 is additionally provided, this is dynamic
Power apparatus 3 includes Power Component 31 and the propeller 10 as described in any embodiment among the above.Wherein, which wraps
The lid 312 for including driving motor 311 and being assemblied on driving motor 311, the propeller 10 are removably assemblied in lid 312
On, it can so be stored in order to the fractionation of power plant 3.
Specifically, the motor shaft 3111 of the driving motor 311 extends from lid 312, and with the jack-post of propeller 10 25
It is connected, propeller 10 is assemblied in by fitting for lock 24 on lid 312 again, to make propeller 10 be assemblied in Power Component 31
On.When driving motor 311 drives propeller 10 to rotate, motor shaft 3111 drives 2 rotation of paddle folder, and blade 1 and lid 312 are with paddle
Folder 2 rotates together, to make the propeller 10 realize rotation, and then provides flying power for aircraft.
In one embodiment, which includes lid main body 3121 and the pilot hole in lid main body 3121
3120.The pilot hole 3120 include for paddle folder 2 on fitting for lock 24 be fitted into lid main body 3121 installation opening 3122 and with lock
The limited mouth 3123 that the cooperation card of accessory 24 is matched.Wherein, in the axial direction of lid main body 3121, the size of installation opening 3122 is more than limit
The size of mouth 3123, the size of the limited mouth 3123 is less than more than or equal to size of the lock with ontology 241 of fitting for lock 24 locks
The size of hook 242.The latch hook 242 of fitting for lock 24 can so be fitted into from installation opening 3122 in lid main body 3121, in latch hook
242 when turning to limited mouth 3123, since the size of limited mouth 3123 is less than the size of latch hook 242 so that 242 hook of latch hook in
The lower section of lid main body 3121, to make the card of fitting for lock 24 assigned in lid 312.
Further, further include the limiting slot 3124 being connected to limited mouth 3123 in lid main body 3121, installation opening 3122 with
Limiting slot 3124 is divided into the both sides of limited mouth 3123, and the 3124 relative limit mouth 3123 of limiting slot recess setting is used for and lock
Positioning pin 243 on accessory 24 coordinates, so that propeller 10 is locked on Power Component 31.Specifically, it is fitted into latch hook 242
After in installation opening 3122, limited mouth 3123 is moved to from installation opening 3122 with ontology 241 so as to lock by rotating paddle folder 2, is locked at this time
242 hook of hook is in lid main body 3121.In order to avoid propeller 10 causes latch hook 242 to move to installation opening in rotation because of inertia
3122, it is loosened out from lid 312 so as to cause propeller 10,3123 mistake of limited mouth is moved to from installation opening 3122 in fitting for lock 24
Cheng Zhong, until the positioning pin 243 on latch hook 242 slides into limiting slot 3124, you can to determine that the propeller 10 realization is locked in
On lid 312.
The lid 312 of the disclosure further includes the motor axis hole 3125 being set in lid main body 3121, which uses
For assembling the motor shaft 3111 of driving motor 311, which is located at the center of lid 312.The lid 312 also wraps
The elastic component 314 for including the receiving portion 313 in the lid main body 3121 and being assemblied in receiving portion 313, the receiving portion 313 with
Motor axis hole 3125 is connected to.Wherein, motor shaft 3111 is connected to propeller 10 through elastic component 314, such that spiral
Paddle 10 can be with respect to 312 elasticity pressing of lid, consequently facilitating the installation of propeller 10.
In the present embodiment, by compression elastic piece 314 so that fitting for lock 24 is fitted into lid main body 3121 from installation opening 3122,
Then rotate the fitting for lock 24 so that lock with ontology 241 is located at limited mouth 3123, at this time elastic component 314 under restoring force so that
The card of fitting for lock 24 is assigned in limited mouth 3123.Wherein, in the initial state, the latch hook 242 of fitting for lock 24 is located at the lid to elastic component 314
The top of main body 3121, by forcing in propeller 10 so that propeller 10 is held in elastic component 314 by makes elastic component 314 press
Contracting, to which the latch hook 242 can be packed into from installation opening 3122 in lid 312, after the latch hook 242 is located in lid 312, the bullet
Property part 314 be in compressive state, can so coordinate fitting for lock 24, so that the card of latch hook 242 is assigned in lid main body 3121.
Further, which includes the first accommodating chamber 3131 and the second accommodating chamber 3132, wherein first accommodates
The radial dimension of chamber 3131 is more than the radial dimension of the second accommodating chamber 3132, and elastic component 314 is fixed in the first accommodating chamber 3131.
In the present embodiment, which is coil spring, wherein is assemblied in the radial ruler of the spring in the first accommodating chamber 3131
It is very little be more than positioned at the second accommodating chamber 3132 spring radial dimension, such that the elastic component 314 by with the first accommodating chamber
3131 cooperation and be fixed in the first accommodating chamber 3131.
As shown in Fig. 9 combinations Fig. 1 to Fig. 8, according to the another aspect of the embodiment of the present disclosure, a kind of more rotor flyings are provided
Device 100, the multi-rotor aerocraft 100 include fuselage 101, the horn 102 on fuselage 101 and are set to horn 102 freely
The power plant 3 at end.Wherein, fuselage 101 is equipped with multiple horns 102, and the free end of each horn 102 is equipped with power dress
Set 3.Wherein, which includes Power Component 31 and propeller 10, which includes that paddle presss from both sides 2 and blade 1, this
In embodiment, in the specific structural features such as above-mentioned power plant 3 of the power plant 3 shown in each embodiment, the tool of propeller 2
In object constructional features such as above-mentioned propeller 2 shown in each embodiment, having for blade 1 is each in structure feature such as above-mentioned blade 1
Shown in embodiment, details are not described herein again.
The disclosure devises a kind of blade, propeller, power plant and multi-rotor aerocraft, wherein blade may not need
And it can phase under being directly assemblied in the case of by tool in the connecting shaft of paddle folder or being dismantled from the connecting shaft that paddle presss from both sides
Paddle is pressed from both sides and is rotated, to make blade that can press from both sides folding by paddle relatively, so that propeller is folded in off working state, plays protection blade
Effect, and keep the occupied space of propeller smaller.
Those skilled in the art will readily occur to its of the disclosure after considering specification and putting into practice disclosure disclosed herein
Its embodiment.This application is intended to cover any variations, uses, or adaptations of the disclosure, these modifications, purposes or
Person's adaptive change follows the general principles of this disclosure and includes the undocumented common knowledge in the art of the disclosure
Or conventional techniques.The description and examples are only to be considered as illustrative, and the true scope and spirit of the disclosure are by the application
Claim point out.
It should be understood that the present disclosure is not limited to the precise structures that have been described above and shown in the drawings, and
And various modifications and changes may be made without departing from the scope thereof.The scope of the present disclosure is only limited by the accompanying claims.
Claims (18)
1. a kind of blade, which is characterized in that including：Blade ontology and interconnecting piece set on the root of the blade ontology, institute
State axis hole that the connecting shaft that interconnecting piece includes with paddle presss from both sides is adapted to and for the connecting shaft to be assemblied in opening for the axis hole
Mouthful；
Wherein, the opening is connected to the axis hole, and the size of the opening and the connectivity part of the axis hole is less than the company
The diameter of spindle.
2. blade according to claim 1, which is characterized in that the size of the entrance of the opening is more than the connecting shaft
Diameter, on the entrance to the direction of the axis hole, the size of the opening reduces.
3. blade according to claim 1, which is characterized in that the interconnecting piece is at least in the opening and the axis hole
Connectivity part is made of elastic material.
4. blade according to claim 1, which is characterized in that the interconnecting piece is set with described this body by integral forming of blade
It sets.
5. blade according to claim 1, which is characterized in that the top of the interconnecting piece is circular arc type.
6. a kind of propeller, which is characterized in that including：Paddle presss from both sides and blade as described in claim 1, and the paddle folder includes connecting
Spindle, the blade are removably attachable to the connecting shaft and are moved by shaft rotation of the connecting shaft.
7. propeller according to claim 6, which is characterized in that paddle folder further include the upper clip being oppositely arranged and under
Intermediate plate and at least two fitting for lock on the lower clamping piece；
Wherein, the connecting shaft is connected between the upper clip and lower clamping piece, and the propeller is assembled by the fitting for lock
It is rotated by Power Component and in the Power Component.
8. propeller according to claim 7, which is characterized in that the fitting for lock includes lock with ontology and in described
The latch hook that free end outward bending of the lock with ontology is extended；Wherein, by the way that the latch hook is assemblied in the Power Component
On lid, and rotated relative to the lid so that the latch hook card is assigned on the lid, so that the propeller is assemblied in institute
It states on Power Component.
9. propeller according to claim 8, which is characterized in that further include being set on the latch hook on the fitting for lock
Positioning pin, for coordinating with the limiting slot on the lid, so that the locking of propeller is on the Power Component.
10. propeller according to claim 7, which is characterized in that paddle folder further include be connected to the upper clip and
The jack-post of the lower clamping piece, the jack-post is hollow to be arranged for assembling the motor shaft of the Power Component.
11. propeller according to claim 7, which is characterized in that the upper clip, the lower clamping piece and the connection
Axis is integrally formed setting.
12. a kind of power plant, which is characterized in that including：Power Component and as described in any one of claim 6 to 11
Propeller, the Power Component include driving motor and the lid that is assemblied on the driving motor, and the propeller is removable
It is assemblied in unloading on the lid.
13. power plant according to claim 12, which is characterized in that the lid include lid main body and be set to institute
State the pilot hole in lid main body, the pilot hole include for the fitting for lock on paddle folder be fitted into the lid main body installation opening, with
And the limited mouth matched with fitting for lock cooperation card；Wherein, in the axial direction of the lid main body, the size of the installation opening is more than
The size of the limited mouth.
14. power plant according to claim 13, which is characterized in that further include and the limited mouth in the lid main body
The limiting slot of connection, the installation opening are divided into the both sides of the limited mouth with the limiting slot, and the limiting slot is used for and institute
The detent fit on fitting for lock is stated, so that the locking of propeller is on the Power Component.
15. power plant according to claim 13, which is characterized in that the lid further includes being set in the lid main body
Axis hole, for assembling the motor shaft of the driving motor.
16. power plant according to claim 15, which is characterized in that the lid further includes being set in the lid main body
Receiving portion and the elastic component that is assemblied in described accommodation section, the motor shaft be connected to institute through the elastic component
State propeller；
Wherein, by compressing the elastic component so that the fitting for lock is fitted into the lid main body from the installation opening；The bullet
Property part under restoring force so that the fitting for lock card be assigned in the limited mouth.
17. power plant according to claim 16, which is characterized in that described accommodation section includes the first accommodating chamber and second
Accommodating chamber, wherein the radial dimension of first accommodating chamber is more than the radial dimension of second accommodating chamber, and the elastic component is solid
Due in first accommodating chamber.
18. a kind of multi-rotor aerocraft, which is characterized in that including：Fuselage, the horn on the fuselage and such as right
It is required that the power plant described in 12, the power plant is set to the free end of the horn.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810615166.2A CN108725774A (en) | 2018-06-14 | 2018-06-14 | Blade, propeller, power plant and multi-rotor aerocraft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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