CN107839871A - Propeller attachment structure and unmanned vehicle - Google Patents
Propeller attachment structure and unmanned vehicle Download PDFInfo
- Publication number
- CN107839871A CN107839871A CN201711236709.1A CN201711236709A CN107839871A CN 107839871 A CN107839871 A CN 107839871A CN 201711236709 A CN201711236709 A CN 201711236709A CN 107839871 A CN107839871 A CN 107839871A
- Authority
- CN
- China
- Prior art keywords
- oar
- component
- magnetic element
- cavity
- attachment structure
- 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.)
- Granted
Links
- 230000005540 biological transmission Effects 0.000 claims abstract description 39
- 230000001360 synchronised effect Effects 0.000 claims abstract description 14
- 210000003205 muscle Anatomy 0.000 claims description 22
- 230000005611 electricity Effects 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract description 10
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229910000859 α-Fe Inorganic materials 0.000 description 2
- 230000000295 complement effect Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 229910001172 neodymium magnet Inorganic materials 0.000 description 1
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
- B64C11/02—Hub construction
- B64C11/04—Blade mountings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENTS OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D27/00—Arrangement or mounting of power plant in aircraft; Aircraft characterised thereby
- B64D27/02—Aircraft characterised by the type or position of power plant
- B64D27/24—Aircraft characterised by the type or position of power plant using steam, electricity, or spring force
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENTS OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D35/00—Transmitting power from power plant to propellers or rotors; Arrangements of transmissions
Abstract
The invention discloses a kind of propeller attachment structure and unmanned vehicle.The attachment structure includes:Oar component, the oar component include blade body and the first magnetic element, and first magnetic element is arranged on the middle part of blade body;And transmission component, the transmission component includes the second magnetic element and the motor cap being connected for the power output portion with motor body, second magnetic element is arranged in the motor cap, second magnetic element attracts with the first magnetic element magnetic force, so that the oar component links together with the transmission component, the oar component and the transmission component synchronous axial system.The attachment structure can realize the quick demolition, installation of oar component and transmission component.
Description
Technical field
The present invention relates to a kind of propeller attachment structure and unmanned vehicle, connects more particularly, to a kind of propeller
Binding structure and unmanned vehicle.
Background technology
The application of unmanned vehicle is more and more extensive.Under normal circumstances, the propeller of unmanned vehicle is integrally fixed at fuselage
On.Because the size of propeller is larger, therefore this connected mode is not easy to the storage of unmanned vehicle.
The content of the invention
It is an object of the present invention to provide a kind of new solution of propeller attachment structure.
According to the first aspect of the invention, there is provided a kind of propeller attachment structure.The attachment structure includes:Oar component,
The oar component includes blade body and the first magnetic element, and first magnetic element is arranged in the blade body
Portion;And transmission component, the transmission component include the second magnetic element and are connected for the power output portion with motor body
Motor cap, second magnetic element is arranged in the motor cap, second magnetic element and first magnetic
Element magnetic force attracts, so that the oar component links together with the transmission component, the oar component and the transmission component
Synchronous axial system.
Alternatively, at least one of first magnetic element and second magnetic element are permanent magnet.
Alternatively, the oar component also includes oar seat, and the oar seat is connected with the middle part of the blade body, the oar seat
With cavity, first magnetic element is arranged in the cavity.
Alternatively, the motor cap has boss, and second magnetic element is embedded in the boss, the boss insertion
In the cavity.
Alternatively, the inwall of the cavity is provided with the muscle position of projection, sets fluted, assembling on the boss
When, the muscle position is inserted in the groove, so that the oar component and the transmission component synchronous axial system;Or
It is fluted in the inwall setting of the cavity, the muscle position of projection is provided with the boss, it is described in assembling
Muscle position is inserted in the groove, so that the oar component and the transmission component synchronous axial system.
Alternatively, the muscle position is multiple that the groove is multiple, and the groove corresponds with the muscle position.
Alternatively, be provided with dividing plate in the cavity of the oar seat, the dividing plate by the cavity be divided into upper cavity and
Lower chamber, the upper end of the upper cavity is unlimited, in order to install the first magnetic element, the upper surface of the upper cavity and oar
The middle part connection of leaf body, the lower chamber are used to accommodate the boss, and the lower end of the lower chamber is unlimited, in order to institute
State boss insertion.
Alternatively, the cross section of the boss be ellipse, semicircle or polygon, the structure of the cavity with it is described
The structure of boss matches, so that the boss is inserted in the cavity, and makes the oar component synchronous with the transmission component
Rotate.
Alternatively, the oar component also includes spinner, and the middle part of the blade body has through hole, and the spinner has cap
Portion and the protrusion axle for protruding from cap portion center, the protrusion axle are inserted in the through hole, and the blade body is located at the cap portion
Between the oar seat, the spinner, the blade body and the oar seat are connected and be fixed together by screw.
According to another embodiment of the invention, there is provided a kind of unmanned vehicle.The unmanned vehicle includes motor sheet
Body and the propeller attachment structure provided by the invention, the motor cap are arranged on the power output portion of motor body.
According to one embodiment of the disclosure, realized by the interaction of the first magnetic element and the second magnetic element
The demolition, installation of oar component and transmission component.
When in use, user only need to be close by oar component and transmission component, passes through the first magnetic element and the second magnetic member
The magnetic force of part attracts to realize the quick connection of oar component and transmission component.In storage, user overcomes the suction of two magnetic elements
Gravitation, oar component is directly extracted, so that oar component separates with transmission component.
The demolition, installation of the propeller attachment structure are very easily and quick..
By referring to the drawings to the present invention exemplary embodiment detailed description, further feature of the invention and its
Advantage will be made apparent from.
Brief description of the drawings
It is combined in the description and the accompanying drawing of a part for constitution instruction shows embodiments of the invention, and even
It is used for the principle for explaining the present invention together with its explanation.
Fig. 1 is the exploded view of propeller attachment structure according to an embodiment of the invention.
Fig. 2-3 is the sectional view of propeller attachment structure according to an embodiment of the invention.
Fig. 4-5 is the structural representation of oar seat according to an embodiment of the invention.
Fig. 6-7 is the structural representation of motor cap according to an embodiment of the invention.
Description of reference numerals:
10:Spinner;11:Protrusion axle;20:Blade body;21:Through hole;30:First magnet;40:Oar seat;41:Upper cavity;
42:Lower chamber;43:Muscle position;46:Dividing plate;50:Screw;70:Motor cap;71:Boss;72:Groove;73:Accommodating chamber;80:Second
Magnet;90:Motor body.
Embodiment
The various exemplary embodiments of the present invention are described in detail now with reference to accompanying drawing.It should be noted that:Unless have in addition
Body illustrates that the unlimited system of part and the positioned opposite of step, numerical expression and the numerical value otherwise illustrated in these embodiments is originally
The scope of invention.
The description only actually at least one exemplary embodiment is illustrative to be never used as to the present invention below
And its application or any restrictions that use.
It may be not discussed in detail for technology, method and apparatus known to person of ordinary skill in the relevant, but suitable
In the case of, the technology, method and apparatus should be considered as part for specification.
In shown here and discussion all examples, any occurrence should be construed as merely exemplary, without
It is as limitation.Therefore, other examples of exemplary embodiment can have different values.
It should be noted that:Similar label and letter represents similar terms in following accompanying drawing, therefore, once a certain Xiang Yi
It is defined, then it need not be further discussed in subsequent accompanying drawing in individual accompanying drawing.
According to one embodiment of present invention, there is provided a kind of propeller attachment structure.As Figure 1-3, the connection knot
Structure includes:Oar component and transmission component.
Oar component includes the magnetic element of blade body 20 and first.First magnetic element is arranged in blade body 20
Portion.For example, the quantity that those skilled in the art can set blade in blade body 20 according to being actually needed.Multiple blade connections
Together, the position of connection is the middle part of blade body 20.First magnetic element is arranged on the middle part of blade body 20.Example
Such as, the first magnetic element is fixed on to the middle part of blade body 20 by modes such as clamping, bonding, bolt connections.
For example, the first magnetic element is permanent magnet or electromagnetic component.For example, permanent magnet is ferrite lattice, neodymium iron boron
Magnet etc..Electromagnetic component is the element that magnetic field is produced using electric magnetisation principle.For convenience of description, the first magnetic element is first
Magnet 30.
Transmission component is used to oar component being connected with motor body 90.Transmission component include the second magnetic element and for
The motor cap 70 of the power output portion connection of motor body 90.Second magnetic element is arranged in motor cap 70.Second magnetic
Element and the first magnetic element magnetic force attract, so that oar component links together with transmission component.Oar component and transmission component are same
Step rotates.
For example, power output portion is the output shaft of motor body 90.Motor cap 70 is fixed on output shaft by screw.
Second magnetic element is permanent magnet or electromagnetic component.For example, permanent magnet is ferrite lattice, ndfeb magnet etc..Electromagnetism member
Part is the element that magnetic field is produced using electric magnetisation principle.For convenience of description, in this example embodiment, the second magnetic element is the second magnetic
Iron 80.
It will be apparent to a skilled person that the attraction between the first magnetic element and the second magnetic element is more than
The power overcome is needed during unmanned vehicle flight.
In embodiments of the present invention, oar component is realized by the interaction of the first magnetic element and the second magnetic element
With the demolition, installation of transmission component.
When in use, user only need to be close by oar component and transmission component, passes through the first magnetic element and the second magnetic member
The magnetic force of part attracts to realize the quick connection of oar component and transmission component.In storage, user overcomes the suction of two magnetic elements
Gravitation, oar component is directly extracted, so that oar component separates with transmission component.
The demolition, installation of the propeller attachment structure are very easily and quick.
In one example, as Figure 1-3, oar component also includes oar seat 40.The middle part of oar seat 40 and blade body 20
Connection.For example, oar seat 40 is fixed on to the middle part of blade body 20 by bonding, clamping or bolted mode.Oar seat
40 have cavity.First magnetic element (for example, first magnet 30) is arranged in cavity.For example, the inside of oar seat 40 has
The cavity of open at one end.When mounted, the first magnet 30 is put into cavity from open end.In this way, the first magnetic
Installation, the dismounting of element become easy.
In one example, as shown in Fig. 2,3,6,7, motor cap 70 has boss 71.Second magnetic element is embedded in boss
In 71.Boss 71 is inserted in cavity.For example, the inside of boss 71 has accommodating chamber 73.The lower end of accommodating chamber 73 is unlimited.
During installation, first, the second magnet 80 is embedded in accommodating chamber 73;Then, motor cap 70 is fixed in rotary shaft.
The setting of boss 71 causes the connection of oar component and transmission component to become easy, and boss 71 plays the work of positioning
With improving the installation accuracy of oar component and transmission component.
In addition, the grafting of boss 71 and cavity is avoided that oar component relative to the transverse shifting of motor cap 70, so as to improve
The reliability of propeller attachment structure.
In one example, as shown in figure 5, the inwall in cavity is provided with raised muscle position 43.As shown in fig. 6, convex
Fluted 72 are set on platform 71.In assembling, muscle position 43 is inserted in groove 72, so that oar component and transmission component synchronous axial system.
Muscle position 43 and groove 72 can play good position-limiting action, can effectively prevent oar component from circumferential move occurs relative to transmission component
It is dynamic, make the two synchronous axial system.
For example, as shown in Fig. 2,4,5, dividing plate 46 is provided with the cavity of oar seat 40.Dividing plate 46 separates the cavity into
Cavity 41 and lower chamber 42.The upper end of upper cavity 41 is unlimited, in order to install the first magnetic element (for example, the first magnet
30).The upper surface of upper cavity 41 is connected with the middle part of blade body 20.Lower chamber 42 is used to accommodate boss 71.Lower chamber 42
Lower end is unlimited, in order to which boss 71 inserts.Muscle position 43 is provided with the cavity wall of lower chamber 42.It is provided with boss 71
Groove 72.In this way, the first magnet 30 can effectively be protected by dividing plate 46, so as to prevent in the demolition, installation repeatedly of oar component
During, the first magnet 30 sustains damage.
In one example.Fluted 72 are set in the inwall of cavity, the muscle position 43 of projection is provided with boss 71,
During assembling, muscle position 43 is inserted in groove 72, so that oar component and transmission component synchronous axial system.
For example, dividing plate 46 is provided with the cavity of oar seat 40.Dividing plate 46 separates the cavity into upper cavity 41 and lower chamber
42.The upper end of upper cavity 41 is unlimited, in order to install the first magnetic element (for example, first magnet 30).Upper cavity 41
Upper surface is connected with the middle part of blade body 20.Lower chamber 42 is used to accommodate boss 71.The lower end of lower chamber 42 be it is unlimited, with
It is easy to boss 71 to insert.Fluted 72 are set in the cavity wall of lower chamber 42.Muscle position 43 is provided with boss 71.By this
Mode, the first magnet 30 can effectively be protected by dividing plate 46, so as to prevent during oar component repeatedly demolition, installation, the first magnet
30 sustain damage.
Preferably, muscle position 43 is multiple that groove 72 is multiple, and groove 72 corresponds with muscle position 43.So can be more effective
Ground avoids oar component from being relatively rotated with transmission component, so as to ensure the two synchronous axial system.
In one example, the cross section of boss 71 be ellipse, semicircle or polygon, the structure and boss of cavity
71 structure matches, so that boss 71 is inserted in cavity, and makes oar component and transmission component synchronous axial system.Matching, it is convex to refer to
The structure of platform 71 and cavity is at least local complementary, so that boss 71 can insert in cavity and the two can be interfered, to prevent
Only relatively rotate.
The structure of boss 71 and cavity is not limited to above-described embodiment, and those skilled in the art can be carried out according to being actually needed
Set.
Under normal conditions, the stress that the middle part of blade body 20 is subject to is bigger, is easily broken, especially at a high speed
Under operating or big load.In one example, oar component also includes spinner 10.The middle part of blade body 20 has through hole 21.
Spinner 10 has cap portion and protrudes from the protrusion axle 11 at cap portion center.Protrusion axle 11 is inserted in through hole 21.Blade body 20 is located at
Between cap portion and oar seat 40.Spinner 10, blade body 20 and oar seat 40 are connected and be fixed together by screw 50.
So, blade body 20 is sandwiched between spinner 10 and oar seat 40.Oar seat 40 and spinner 10 can protect blade body
20 middle part.Oar seat 40 and spinner 10 improve the structural strength of blade body 20, can effectively prevent blade body 20 from occurring
Fracture.
According to another embodiment of the invention, there is provided a kind of unmanned vehicle.The unmanned vehicle includes motor sheet
Body and propeller attachment structure provided by the invention.Motor cap 70 is arranged on the power output portion of motor body 90, for example, defeated
On shaft.
The characteristics of unmanned vehicle has storage easily and fast.
Although some specific embodiments of the present invention are described in detail by example, the skill of this area
Art personnel it should be understood that example above merely to illustrating, the scope being not intended to be limiting of the invention.The skill of this area
Art personnel to above example it should be understood that can modify without departing from the scope and spirit of the present invention.This hair
Bright scope is defined by the following claims.
Claims (10)
- A kind of 1. propeller attachment structure, it is characterised in that including:Oar component, the oar component include blade body and the first magnetic element, and first magnetic element is arranged on described The middle part of blade body;AndTransmission component, the transmission component include the second magnetic element and the electricity being connected for the power output portion with motor body Machine cap, second magnetic element are arranged in the motor cap, second magnetic element and first magnetic element Magnetic force attracts, so that the oar component links together with the transmission component, the oar component is synchronous with the transmission component Rotate.
- 2. propeller attachment structure according to claim 1, it is characterised in that first magnetic element and described second At least one of magnetic element is permanent magnet.
- 3. propeller attachment structure according to claim 1, it is characterised in that the oar component also includes oar seat, described Oar seat is connected with the middle part of the blade body, and the oar seat tool has cavity, and first magnetic element is arranged on the chamber In body.
- 4. propeller attachment structure according to claim 3, it is characterised in that the motor cap has a boss, and described Two magnetic elements are embedded in the boss, and the boss is inserted in the cavity.
- 5. propeller attachment structure according to claim 4, it is characterised in that the inwall of the cavity is provided with projection Muscle position, set on the boss fluted, in assembling, the muscle position is inserted in the groove, so that the oar component With the transmission component synchronous axial system;OrIt is fluted in the inwall setting of the cavity, the muscle position of projection is provided with the boss, in assembling, the muscle position Insert in the groove, so that the oar component and the transmission component synchronous axial system.
- 6. propeller attachment structure according to claim 5, it is characterised in that the muscle position is multiple, and the groove is Multiple, the groove corresponds with the muscle position.
- 7. propeller attachment structure according to claim 4, it is characterised in that be provided with the cavity of the oar seat every The cavity is divided into upper cavity and lower chamber by plate, the dividing plate, and the upper end of the upper cavity is unlimited, in order to install First magnetic element, the upper surface of the upper cavity are connected with the middle part of blade body, and the lower chamber is described convex for accommodating Platform, the lower end of the lower chamber is unlimited, in order to which the boss inserts.
- 8. propeller attachment structure according to claim 4, it is characterised in that the cross section of the boss for ellipse, Semicircle or polygon, the structure of the cavity and the structure of the boss match, so that the boss inserts the chamber In body, and make the oar component and the transmission component synchronous axial system.
- 9. propeller attachment structure according to claim 3, it is characterised in that the oar component also includes spinner, described The middle part of blade body has through hole, and the spinner has cap portion and protrudes from the protrusion axle at cap portion center, and the protrusion axle is inserted Enter in the through hole, the blade body is between the cap portion and the oar seat, by screw by the spinner, the oar Leaf body and the oar seat are connected and are fixed together.
- 10. a kind of unmanned vehicle, it is characterised in that including motor body and as described in any one in claim 1-9 Propeller attachment structure, the motor cap is arranged on the power output portion of the motor body.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201711236709.1A CN107839871B (en) | 2017-11-30 | 2017-11-30 | Propeller connection structure and unmanned vehicles |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201711236709.1A CN107839871B (en) | 2017-11-30 | 2017-11-30 | Propeller connection structure and unmanned vehicles |
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CN107839871A true CN107839871A (en) | 2018-03-27 |
CN107839871B CN107839871B (en) | 2023-11-17 |
Family
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109677596A (en) * | 2019-01-29 | 2019-04-26 | 深圳市律远汇智科技有限公司 | A kind of unmanned flight's device convenient for paddle replacement |
WO2020220202A1 (en) * | 2019-04-29 | 2020-11-05 | 深圳市大疆创新科技有限公司 | Quick-release connecting assembly, airscrew, power device, power assembly and unmanned aerial vehicle |
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CN103104651A (en) * | 2011-11-11 | 2013-05-15 | 贝尔直升机泰克斯特龙公司 | Vibration isolator |
CN205615707U (en) * | 2016-02-25 | 2016-10-05 | 北京迈凯飞工程技术有限公司 | Oar ware and unmanned aerial vehicle are decided to screw |
CN106976560A (en) * | 2017-05-08 | 2017-07-25 | 昊翔电能运动科技(昆山)有限公司 | A kind of unmanned plane motor cabinet, unmanned machine actuating device and unmanned plane |
US20170225779A1 (en) * | 2016-02-10 | 2017-08-10 | Dustin Eli Gamble | Magnetic Orientation Detent |
JP2017184504A (en) * | 2016-03-30 | 2017-10-05 | 並木精密宝石株式会社 | Motor unit for flying device and flying device |
CN207644625U (en) * | 2017-11-30 | 2018-07-24 | 歌尔股份有限公司 | Propeller connection structure and unmanned vehicle |
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CN103104651A (en) * | 2011-11-11 | 2013-05-15 | 贝尔直升机泰克斯特龙公司 | Vibration isolator |
US20170225779A1 (en) * | 2016-02-10 | 2017-08-10 | Dustin Eli Gamble | Magnetic Orientation Detent |
CN205615707U (en) * | 2016-02-25 | 2016-10-05 | 北京迈凯飞工程技术有限公司 | Oar ware and unmanned aerial vehicle are decided to screw |
JP2017184504A (en) * | 2016-03-30 | 2017-10-05 | 並木精密宝石株式会社 | Motor unit for flying device and flying device |
CN106976560A (en) * | 2017-05-08 | 2017-07-25 | 昊翔电能运动科技(昆山)有限公司 | A kind of unmanned plane motor cabinet, unmanned machine actuating device and unmanned plane |
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Publication number | Priority date | Publication date | Assignee | Title |
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CN109677596A (en) * | 2019-01-29 | 2019-04-26 | 深圳市律远汇智科技有限公司 | A kind of unmanned flight's device convenient for paddle replacement |
CN109677596B (en) * | 2019-01-29 | 2021-09-28 | 深圳市律远汇智科技有限公司 | Unmanned aerial vehicle device convenient to paddle is changed |
WO2020220202A1 (en) * | 2019-04-29 | 2020-11-05 | 深圳市大疆创新科技有限公司 | Quick-release connecting assembly, airscrew, power device, power assembly and unmanned aerial vehicle |
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