CN109421913A - Folding rack and unmanned plane - Google Patents
Folding rack and unmanned plane Download PDFInfo
- Publication number
- CN109421913A CN109421913A CN201710763254.2A CN201710763254A CN109421913A CN 109421913 A CN109421913 A CN 109421913A CN 201710763254 A CN201710763254 A CN 201710763254A CN 109421913 A CN109421913 A CN 109421913A
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- China
- Prior art keywords
- rotating member
- linking arm
- fixing piece
- fuselage
- magnet
- 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.)
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- 230000005291 magnetic effect Effects 0.000 claims abstract description 99
- 239000003302 ferromagnetic material Substances 0.000 claims abstract description 6
- 230000003993 interaction Effects 0.000 claims abstract description 4
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 25
- 239000007787 solid Substances 0.000 claims description 3
- 230000009471 action Effects 0.000 abstract description 14
- 238000009434 installation Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64U—UNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
- B64U30/00—Means for producing lift; Empennages; Arrangements thereof
- B64U30/20—Rotors; Rotor supports
- B64U30/29—Constructional aspects of rotors or rotor supports; Arrangements thereof
- B64U30/293—Foldable or collapsible rotors or rotor supports
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64U—UNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
- B64U2101/00—UAVs specially adapted for particular uses or applications
- B64U2101/30—UAVs specially adapted for particular uses or applications for imaging, photography or videography
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
- Casings For Electric Apparatus (AREA)
- Telephone Set Structure (AREA)
Abstract
This application discloses a kind of folding rack and unmanned planes.Folding rack includes: fuselage, and linking arm is rotatablely connected with fuselage；Rotating member, installation is on the connecting arm；It at least two fixing pieces, is mounted on fuselage, and is located at linking arm two sides；Wherein, one in rotating member and fixing piece is the magnet that can generate magnetic field, another is magnet or the ferromagnetic material that can be attracted to a magnet, when linking arm is rotated relative to fuselage, under the interaction of rotating member and fixing piece, linking arm can maintain expanded position or folding position.The application may be used on air vehicle technique field, and under the action of the magnetic field force of rotating member and fixing piece, linking arm can drive rotor or holder maintains expansion or folding position, and rotor folds the transport for being convenient for unmanned plane, while rotor being avoided to collide, damage；Photographic device can be made to avoid the interference of undercarriage after holder expansion, realize glitch-free panoramic shooting.
Description
Technical field
The present invention relates to air vehicle technique field, in particular to a kind of folding rack and nobody including the rack
Machine.
Background technique
Existing unmanned plane during flying device is connected with the connecting shaft flexed outward on fuselage, and rotor is typically mounted on connecting shaft
On, cause the overall dimensions of unmanned plane larger, it is not readily transportable；And rotor is during transportation, is easy hit, damaged
Evil.
Summary of the invention
In order to solve the above-mentioned technical problems, the present invention provides a kind of folding racks, so that the rack is used for nobody
Machine, rotor can fold, and convenient for the transport of unmanned plane, avoid damaging.
In order to reach the purpose of the present invention, the embodiment provides a kind of folding racks, comprising:
Fuselage；
Linking arm connect with the fuselage and can rotate relative to fuselage；
Rotating member, rotating member are mounted on the linking arm；With
At least two fixing pieces, at least two fixing pieces are mounted on fuselage, and are located at the two sides of linking arm；
Wherein, one in rotating member and fixing piece is the magnet that can generate magnetic field, another is magnet or can be by
The ferromagnetic material that magnet attracts, when linking arm is rotated relative to fuselage, under the interaction of rotating member and fixing piece, institute
Linking arm is stated to be able to maintain that in expanded position or folding position.
The folding rack of the present embodiment, linking arm can be rotated relative to fuselage, so that linking arm can be relative to machine
Body rotates between extended and collapsed positions, and in this way when rack is used for unmanned plane, linking arm can drive rotor rotational extremely
Expanded position so as to unmanned plane during flying, is taken photo by plane；When linking arm drives rotor rotational to folding position, rotor can be packed up,
The size for reducing unmanned plane, is readily transported, and after rotor is packed up, avoidable rotor is collided, is damaged.
Linking arm is equipped with rotating member, and fuselage is equipped with fixing piece, and one in rotating member and fixing piece is that can produce
The magnet of magnetisation field, another is magnet or the ferromagnetic material that can be attracted to a magnet, in this way rotating member and fixing piece it
Between can produce magnetic field force；Fixing piece is provided at least two, and is located at the two sides of linking arm, and the fixing piece of such two sides can
Magnetic field force is applied to the rotating member on linking arm, after linking arm turns an angle to side under external force, such as Xiang Zhankai
After direction or folding direction turn an angle, linking arm is able to maintain that under the action of a magnetic force in expanded position or folding position
It sets, so that rotor to be unfolded or pack up.
Linking arm is maintained into expanded position or folding position by the magnetic field force between rotating member and fixing piece, the knot
Structure is simple, easy for installation, it is easy to accomplish, and it is at low cost.
Optionally, the rotating member is provided at least two, and is separately mounted to the two sides of the linking arm.
The two sides of linking arm are equipped with rotating member, the rotating member of such linking arm two sides by the magnetic field force of fixing piece,
So that linking arm can maintain expansion position during rotation expansion or folding under the collective effect of the magnetic field force of two sides
It sets or folding position.
Optionally, there are two the rotating member and the fixing piece are respectively provided with.
Optionally, the outside of the fixing piece is equipped with magnetic conduction casing, and the magnetic conduction casing has opening, and the opening court
To the rotating member.
Optionally, the outside of the rotating member is equipped with magnetic conduction casing, and the magnetic conduction casing has opening, and the opening court
To the fixing piece neighbouring with the rotating member.
Because certain electronic components of the magnetic field to unmanned plane have interference, therefore permeability magnetic material is used to make magnetic conduction casing, shields magnetic
, to reduce interference, improve the service performance of electronic component；In addition, opening up opening on magnetic conduction casing, and make fixing piece
The opening of magnetic conduction casing makes the opening direction fixing piece neighbouring with the rotating member of the magnetic conduction casing of rotating member towards rotating member,
To guarantee that there are magnetic field forces between rotating member and fixing piece, enable linking arm to maintain expanded position under the action of a magnetic force
Or folding position.
Optionally, the folding rack further include: pedestal, the fixing piece are mounted on the pedestal, the company
It connects arm and the pedestal is rotatablely connected；
The pedestal is arranged to fix with the fuselage.
When rack includes pedestal, linking arm and pedestal can be rotatablely connected, on the base by fixing piece installation, then again will
Pedestal is fixed with fuselage, equally achievable rotation of the linking arm relative to fuselage；In addition, the setting of pedestal, avoids in fuselage
Upper setting fixing piece etc., only need to be fixed by pedestal and fuselage, reduce the change to fuselage so that rack can be used for it is various
On unmanned plane, the applicability of folding rack is improved.
Optionally, the rotating member and the fixing piece are magnet or are electromagnet.
Optionally, the rotating member is magnet, and the fixing piece is soft magnetic bodies；
Alternatively, the rotating member is soft magnetic bodies, the fixing piece is magnet；
Alternatively, the rotating member is electromagnet, the fixing piece is magnet；
Alternatively, the rotating member is magnet, the fixing piece is electromagnet；
Alternatively, the rotating member is electromagnet, the fixing piece is soft magnetic bodies；
Alternatively, the rotating member is soft magnetic bodies, the fixing piece is electromagnet.
When rotating member and fixing piece are magnet, there may be magnetic attraction or magnetic repulsion between rotating member and fixing piece,
Under the action of the magnetic attraction or magnetic repulsion, it is able to maintain that linking arm in expanded position or folding position；Rotating member and fixing piece
Respectively magnet and when soft magnetic bodies, there are magnetic attractions between rotating member and fixing piece makes linking arm under the action of the magnetic attraction
It can be attracted and maintain expanded position or folding position；When rotating member or fixing piece are electromagnet, by controlling electromagnet
Power on/off, the size of sense of current and electric current, come the presence or absence of magnetic field for controlling electromagnet generation, size and Orientation, into
And the presence or absence of control the magnetic field force between rotating member and fixing piece, size and Orientation, and be able to maintain that linking arm in expansion position
It sets or folding position.
The embodiments of the present invention also provide a kind of unmanned planes, including foldable described in rotor and any of the above-described embodiment
Rack, one end of the linking arm of the rack and the fuselage be rotatablely connected, and the other end is connect with the rotor.
The unmanned plane of the present embodiment, rotor are connected to fuselage by folding linking arm, so that rotor can be by turning
It is dynamic to realize expansion or fold, and expanded position or folding position are maintained, in this way when using unmanned plane, rotor can be unfolded,
So as to unmanned plane during flying, take photo by plane；When transporting unmanned plane, rotor can be folded, reduce the size of unmanned plane, convenient for fortune
It is defeated, while rotor being avoided to collide, damage during transportation.
The embodiment of the present invention provides a kind of unmanned plane again, including foldable described in holder and any of the above-described embodiment
Rack, one end of the linking arm of the rack and the fuselage be rotatablely connected, and the other end is connect with the holder.
The unmanned plane of the present embodiment, holder is connected to fuselage by folding linking arm, so that holder is rotatably opened up
Expanded position or folding position are opened or fold and maintain, it, can be by gantry rotation exhibition in this way when being taken photo by plane using unmanned plane
It opens, the photographic device being fixed on holder is made to realize the nothing of photographic device lower than undercarriage effectively to avoid the interference of undercarriage
The panoramic shooting of interference.
Compared to the prior art technical solution provided by the invention, has the following beneficial effects:
Folding rack provided in an embodiment of the present invention, effect of the linking arm in rotating member and the magnetic field force of fixing piece
Under maintain expanded position or folding position, in this way when rotor is connected on the fuselage of unmanned plane with the rack, rotor can
Expanded position or folding position are maintained, rotor is convenient for the transport of unmanned plane after folding, while avoiding rotor during transportation
It collides, damage；When holder is connected on the fuselage of unmanned plane with the rack, holder can maintain expanded position or folding
Folded position, after holder expansion, the photographic device on holder can avoid the interference of undercarriage, realize the glitch-free of photographic device
Panoramic shooting.
Other features and advantages of the present invention will be illustrated in the following description, also, partly becomes from specification
It obtains it is clear that understand through the implementation of the invention.The objectives and other advantages of the invention can be by specification, right
Specifically noted structure is achieved and obtained in claim and attached drawing.
Detailed description of the invention
Attached drawing is used to provide to further understand technical solution of the present invention, and constitutes part of specification, with this
The embodiment of application technical solution for explaining the present invention together, does not constitute the limitation to technical solution of the present invention.
Fig. 1 is the schematic perspective view of the folding rack according to the embodiment of the present invention；
Fig. 2 is the schematic perspective view at another visual angle of folding rack shown in FIG. 1；
Fig. 3 is the schematic view of the front view of folding rack shown in FIG. 1；
Fig. 4 is the A-A of Fig. 3 to schematic cross-sectional view.
Wherein, the relationship in Fig. 1-Fig. 4 between appended drawing reference and component names are as follows:
1 linking arm, 2 fuselages, 3,3 ' rotating members, 4,4 ' fixing pieces, 5,5 ' magnetic conduction casings, 6 shafts.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer, below in conjunction with attached drawing to the present invention
Embodiment be described in detail.It should be noted that in the absence of conflict, in the embodiment and embodiment in the application
Feature can mutual any combination.
Below by taking unmanned plane as an example, folding rack of the invention is illustrated.It should be noted that of the invention can
The rack of folding can be also used on the other products in addition to unmanned plane, such as holding holder, numerous to list herein.
Embodiment one:
The embodiment provides a kind of unmanned planes, including rotor (not shown) and folding rack.
Specifically, as Figure 1-Figure 4, rack include fuselage 2, linking arm 1, rotating member 3 and at least two fixing pieces 4,
4’。
Wherein, linking arm 1 is arranged to one end and connect and can be rotated relative to fuselage with fuselage, and the other end and rotor connect
It connects.
Linking arm 1 connect with fuselage and can rotate relative to fuselage, so that linking arm 1 can drive rotor rotational to expansion
Position or folding position when rotor is located at expanded position, can drive rotor wing rotation to generate lift, so as to unmanned plane by motor
It flown, execute the tasks such as take photo by plane；When linking arm 1 drives rotor rotational to folding position, rotor can be packed up, reduce nobody
The size of machine, is readily transported, and after rotor is packed up, avoidable rotor is collided and damages.
Wherein, rotating member 3 is mounted on linking arm 1, and at least two fixing pieces 4,4 ' are mounted on fuselage, and are located at
The two sides of linking arm 1.In addition, one in rotating member and fixing piece is the magnet that can generate magnetic field, another for magnet or
The ferromagnetic material that can be attracted to a magnet, ferromagnetic material are to contain one of iron, cobalt, nickel or a variety of substances.Turning
Under the interaction of moving part 3 and fixing piece 4,4 ', linking arm 1 can maintain expanded position or folding position relative to fuselage.
Specifically, there are magnetic field forces between rotating member 3 and fixing piece 4,4 ', when linking arm 1 rotates simultaneously under external force
By an extreme position, (such as in the extreme position, fixing piece 4,4 ' turns the magnetic field force edge that the rotating member 3 on linking arm 1 applies
The component of dynamic circumferential direction is cancelled out each other) backward fixing piece 4 close to when, due on linking arm 1 rotating member 3 by fixing piece 4 and solid
The magnetic field force for determining part 4 ' is of different sizes, and component along circumferential direction is no longer cancelled out each other, effect of the linking arm 1 in circumferential component
Under turn to expanded position or folding position, and linking arm 1 is made to be maintained at the expanded position or folding position.
Linking arm 1 is maintained into expanded position or folding position by the magnetic field force between rotating member 3 and fixing piece 4,4 '
It sets, the structure is simple, easy for installation, it is easy to accomplish, and it is at low cost.
Optionally, at least two rotating members are provided with, and are separately mounted to the two sides of linking arm 1.
The two sides of linking arm 1 are respectively equipped with rotating member, and the rotating member of such 1 two sides of linking arm is by fixing piece 4,4 '
Magnetic field force, linking arm 1 rotated under the collective effect of the magnetic field force of two sides expansion or fold, and finally maintain expanded position or
Folding position.
Optionally, as shown in Figure 1-Figure 3, in the present embodiment, setting there are two rotating member 3,3 ' and two fixing pieces 4,
4’。
Of course, it is possible to the rotating member and fixing piece of other quantity are set, such as three or more than three.
Optionally, in the present embodiment, two rotating members 3,3 ' are soft magnetic bodies (such as iron block), and two fixing pieces 4,4 ' are equal
For magnet.
Under the action of magnetic attraction between two rotating members 3,3 ' and two fixing pieces 4,4 ', linking arm 1 is in outer masterpiece
With lower by a certain extreme position (component of the magnetic attraction that the rotating member 3,3 ' i.e. on linking arm 1 is subject to along rotation circumferential direction
Cancel out each other) after, if keeping linking arm 1 close towards the direction of fixing piece 41 applied force of linking arm, rotating member 3 and fixing piece
Magnetic attraction between 4 is greater than the magnetic attraction between rotating member 3 ' and fixing piece 4 ', continues linking arm 1 towards the side of fixing piece 4
To rotation, until it reaches expanded position (such as contact with fixing piece 4, or contact with limited block) and is stably maintained at expansion position
It sets, linking arm 1 is in unfolded state at this time, and rotor is also unfolded, to provide flying power for unmanned plane；If linking arm 1 is passing through
After crossing the extreme position, keep linking arm 1 close towards the direction of fixing piece 4 ' 1 applied force of linking arm, rotating member 3 ' and fixation
Magnetic attraction between part 4 ' is greater than the magnetic attraction between rotating member 3 and fixing piece 4, continues linking arm 1 towards fixing piece 4 '
Direction rotation, until it reaches folding position (such as contact with fixing piece 4 ', or contact with another limited block) and steadily maintains
In folding position, linking arm 1 is in folded state at this time, and rotor is also packed up, to transport unmanned plane.
In some other embodiments, rotating member 3,3 ' and fixing piece 4,4 ' can also have other set-up modes.
For example, two rotating members 3,3 ' are magnet, two fixing pieces 4,4 ' are soft magnetic bodies, and linking arm 1 is in magnetic at this time
Expanded position or folding position are turned to and are maintained under the action of iron and the magnetic attraction of soft magnetic bodies；Alternatively, two rotations
Part 3,3 ' and two fixing pieces 4,4 ' are magnet, and there are magnetic attractions between rotating member 3,3 ' and fixing piece 4,4 ', in the magnetic
Under suction, turns to linking arm 1 and be maintained at expanded position or folding position.
Alternatively, fixing piece 4,4 ' is electromagnet for example, rotating member 3,3 ' is magnet, pass through the logical of control electromagnet
Power-off, sense of current and electric current size, come the presence or absence of magnetic field for controlling electromagnet generation, size and Orientation, to control
The rotation of linking arm 1 processed.Such as: making between rotating member 3 and fixing piece 4 that there are magnetic attractions, make between rotating member 3 ' and fixing piece 4 '
There are magnetic repulsions, then under the action of magnetic attraction and magnetic repulsion, linking arm 1 turns to expanded position and is maintained at the expansion position
It sets；Change sense of current in fixing piece 4,4 ', makes to make between rotating member 3 and fixing piece 4 there are magnetic repulsion rotating member 3 ' and solid
Determine between part 4 ' that there are magnetic attractions, then under the action of magnetic attraction and magnetic repulsion, linking arm 1 turns to folding position and is maintained at
The folding position.
Alternatively, for example, rotating member 3,3 ' and fixing piece 4,4 ' are electromagnet, by the power on/off, the electricity that control electromagnet
The direction of stream and the size of electric current, to control the presence or absence of magnetic field, the size and Orientation of electromagnet generation, to control linking arm
1 rotation.Such as: making between rotating member 3 and fixing piece 4 that there are magnetic repulsions, make rotating member 3 ' and 4 ' no power of fixing piece, therebetween not
There are magnetic field forces, then under the action of magnetic repulsion, linking arm 1 turns to folding position and is maintained at the folding position；Make to rotate
There are magnetic repulsions between part 3 ' and fixing piece 4 ', make 4 no power of rotating member 3 and fixing piece, magnetic field force are not present therebetween, then in magnetic
Under the action of repulsion, linking arm 1 turns to expanded position and is maintained at the expanded position.
Because certain electronic components of the magnetic field to unmanned plane have interference, the use of electronic component is influenced, therefore magnetic conduction material can be used
Material production magnetic conduction casing is reduced interference, is improved the service performance of electronic component with armoured magnetic field.Optionally, such as Fig. 1-Fig. 3 institute
Show, in the present embodiment, fixing piece 4,4 ' is magnet, therefore magnetic conduction casing 5,5 ' is arranged in the external of fixing piece 4,4 '.
To exempt from magnetic conduction casing 5 for the magnetic field shielding between rotating member 3 and fixing piece 4, magnetic conduction casing 5 ' by rotating member 3 ' and
Magnetic field shielding between fixing piece 4 ' influences the rotation of linking arm 1, therefore as shown in Figure 1-Figure 3, it is arranged on magnetic conduction casing 5,5 '
Opening, and opening is respectively facing rotating member 3,3 ', to ensure between rotating member 3 and fixing piece 4 and rotating member 3 ' and fixing piece
There are magnetic field force between 4 ', so that linking arm 1 is rotated under the action of a magnetic force and maintain folding position or expansion
Position.
When rotating member 3,3 ' is magnet, magnetic conduction casing can also be set in the external of rotating member 3,3 '.Further, magnetic conduction
Shell has opening, and is open towards the fixing piece 4 (or 4 ') neighbouring with the rotating member 3 (or 3 ').Guaranteeing rotating member 3 in this way
There are magnetic field force between fixing piece 4 and between rotating member 3 ' and fixing piece 4 ', linking arm 1 can be turned to and be maintained
In the case where folding position or expanded position, reduce interference of the magnetic field to electronic component.
Optionally, folding rack further includes pedestal, and fixing piece 4,4 ' is installed on the base, and linking arm 1 and pedestal turn
Dynamic connection, pedestal are arranged to fix with fuselage.
When rack includes pedestal, linking arm 1 and pedestal can be rotatablely connected, on the base by the installation of fixing piece 4,4 ', so
Pedestal and fuselage are fixed again afterwards, equally achievable rotation of the linking arm 1 relative to fuselage；In addition, the setting of pedestal, avoids
Fixing piece 4,4 ' etc. is set on fuselage, only need to be fixed by pedestal and fuselage, the change to fuselage is reduced, so that rack
It can be used on various unmanned planes, improve the applicability of folding rack.
Optionally, linking arm 1 is rotatablely connected by shaft 6 and pedestal, and shaft 6 is mutually fixed with pedestal, linking arm 1 with turn
Axis 6 is rotatablely connected.In this case, under the action of a magnetic force, linking arm 16 can rotate around the shaft, and rotor is unfolded or is received
It rises.
It is of course also possible to which linking arm is mutually fixed with shaft, shaft and pedestal are rotatablely connected.In this case, in magnetic field
Under the action of power, linking arm and shaft are rotated relative to pedestal together.
Embodiment two:
The embodiments of the present invention also provide a kind of unmanned planes, including holder and folding rack.
In the present embodiment, the structure of folding rack is the same as example 1, wherein one end of the linking arm of rack with
Fuselage rotation connection, the other end are connect with holder.
Holder is connected to fuselage by folding rack, so that holder is rotatably unfolded or folds, is using nothing in this way
It is man-machine gantry rotation to be unfolded when being taken photo by plane, make the photographic device being fixed on holder lower than undercarriage, effectively to avoid
The glitch-free panoramic shooting of photographic device is realized in the interference of undercarriage.
Although disclosed herein embodiment it is as above, the content only for ease of understanding the present invention and use
Embodiment is not intended to limit the invention.Technical staff in any fields of the present invention is taken off not departing from the present invention
Under the premise of the spirit and scope of dew, any modification and variation, but the present invention can be carried out in the form and details of implementation
Scope of patent protection, the appended claims that must still be subject to defined.
Claims (10)
1. a kind of folding rack characterized by comprising
Fuselage；
Linking arm, the linking arm connect with the fuselage and can rotate relative to the fuselage；
Rotating member, the rotating member are mounted on the linking arm；With
At least two fixing pieces, at least two fixing pieces are mounted on the fuselage, and are located at the linking arm
Two sides；
Wherein, one in the rotating member and the fixing piece is the magnet that can generate magnetic field, another is magnet or energy
The ferromagnetic material being enough attracted to a magnet, when the linking arm is rotated relative to the fuselage, in the rotating member and described
Under the interaction of fixing piece, the linking arm is able to maintain that in expanded position or folding position.
2. folding rack according to claim 1, which is characterized in that
The rotating member is provided at least two, and is separately mounted to the two sides of the linking arm.
3. folding rack according to claim 2, which is characterized in that
There are two the rotating member and the fixing piece are respectively provided with.
4. folding rack according to any one of claim 1-3, which is characterized in that
The outside of the fixing piece is equipped with magnetic conduction casing, and the magnetic conduction casing has opening, and the opening is towards the rotation
Part.
5. folding rack according to any one of claim 1-3, which is characterized in that
The outside of the rotating member is equipped with magnetic conduction casing, and the magnetic conduction casing has opening, and opening direction and the rotation
The neighbouring fixing piece of part.
6. folding rack according to any one of claim 1-3, which is characterized in that further include: pedestal, it is described solid
Determine part to be mounted on the pedestal, the linking arm and the pedestal are rotatablely connected；
The pedestal is arranged to fix with the fuselage.
7. folding rack according to any one of claim 1-3, which is characterized in that
The rotating member and the fixing piece are magnet or are electromagnet.
8. folding rack according to any one of claim 1-3, which is characterized in that
The rotating member is magnet, and the fixing piece is soft magnetic bodies；
Alternatively, the rotating member is soft magnetic bodies, the fixing piece is magnet；
Alternatively, the rotating member is electromagnet, the fixing piece is magnet；
Alternatively, the rotating member is magnet, the fixing piece is electromagnet；
Alternatively, the rotating member is electromagnet, the fixing piece is soft magnetic bodies；
Alternatively, the rotating member is soft magnetic bodies, the fixing piece is electromagnet.
9. a kind of unmanned plane, which is characterized in that including rotor and such as folding machine of any of claims 1-8
Frame, one end of the linking arm of the rack and the fuselage are rotatablely connected, and the other end is connect with the rotor.
10. a kind of unmanned plane, which is characterized in that including holder and such as folding machine of any of claims 1-8
Frame, one end of the linking arm of the rack and the fuselage are rotatablely connected, and the other end is connect with the holder.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710763254.2A CN109421913A (en) | 2017-08-30 | 2017-08-30 | Folding rack and unmanned plane |
| PCT/CN2018/085379 WO2019041875A1 (en) | 2017-08-30 | 2018-05-02 | Foldable frame and unmanned aerial vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710763254.2A CN109421913A (en) | 2017-08-30 | 2017-08-30 | Folding rack and unmanned plane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109421913A true CN109421913A (en) | 2019-03-05 |
Family
ID=65503703
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710763254.2A Pending CN109421913A (en) | 2017-08-30 | 2017-08-30 | Folding rack and unmanned plane |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN109421913A (en) |
| WO (1) | WO2019041875A1 (en) |
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| US20130175390A1 (en) * | 2009-09-09 | 2013-07-11 | Aurora Flight Sciences Corporation | Modular miniature unmanned aircraft with vectored-thrust control |
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Also Published As
| Publication number | Publication date |
|---|---|
| WO2019041875A1 (en) | 2019-03-07 |
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