Utility model content
An aspect according to the application, it is provided that a kind of multi-rotor aerocraft, including: limit the housing of cavity;Multiple dynamic
The arm of force;Multiple telescoping member, the most each telescoping member is configured to be operatively coupled to described housing and a power arm, and
And allow described power arm to move between reception position and off-position, at described reception position, described power arm is by least
It is partially housed in described housing, and in described off-position, described power arm is at least partly removed described housing;Its
In, each described telescoping member includes: fixing pipe, it is fixed in described housing;And movable tubes, described movable tubes and institute
State fixing pipe nest together with being mutually matched so that described movable tubes can moving axially along described fixing pipe, described movably
One end of pipe is coupled to a power arm regularly, thus drives described power arm in described reception position and described release position
Move between putting.
In certain embodiments, described fixing pipe is made up of carbon fibre material with described movable tubes.
In certain embodiments, the plurality of telescoping member includes first group of fixing pipe and second group of fixing pipe, wherein, institute
State first group fix pipe with described second group fix pipe be axially mutually perpendicular to and described first group of fixing pipe with described second group
Fixing pipe stacking is placed.
In certain embodiments, the plurality of telescoping member includes first group of movable tubes and second group of movable tubes, described
One group of movable tubes and second group of movable tubes are respectively coupled to described first group of fixing pipe and described second group of fixing pipe.
In certain embodiments, each described power arm has a first surface being provided with rotor, wherein said first group
The first surface of the power arm that the first surface of the power arm that movable tubes couples couples with described second group of movable tubes is towards contrary
Ground is arranged, so that the rotor of the plurality of power arm is in same plane.
In certain embodiments, described fixing pipe has passage the most therethrough, with accommodate described movably
Pipe at least some of.
In certain embodiments, described passage runs through the total length of described fixing pipe, thus allow described movable tubes not with institute
State one end that power arm couples to stretch out from described fixing pipe.
In certain embodiments, also include that multiple driving means, the most each described driving means are configured at one
Apply bias force between fixing pipe and the movable tubes of telescoping member, with drive corresponding power arm by described reception position move to
Described off-position.
In certain embodiments, described driving means is spring.
In certain embodiments, described spring housing is connected to the outside of described movable tubes, and institute is fixed in one end of described spring
Stating fixing pipe, the other end of described spring is fixed on described power arm or described movable tubes;Wherein, it is in institute when described power arm
When stating reception position, described spring is in compressive state, and when described power arm is in off-position, described spring is in relaxation
Henan state.
In certain embodiments, also include that damping unit, described damping unit are configured to slow down described power arm by institute
State the reception position movement to described off-position.
In certain embodiments, described damping unit include the gear being arranged on power arm and be arranged in housing with
The tooth bar of described gear matches, when described power arm is moved to described off-position by described reception position, described gear edge
Described tooth bar moves.
In certain embodiments, described damping unit include the tooth bar being arranged on power arm and be arranged in housing with
The gear of described tooth bar coupling, when described power arm is moved to described off-position by described reception position, described tooth bar edge
Described gear moves.
In certain embodiments, the plurality of telescoping member includes first group of fixing pipe and second group of fixing pipe, described the
One group fix pipe with described second group fix pipe be axially mutually perpendicular to and described first group of fixing pipe is fixed with described second group
Pipe stacking is placed, and wherein, the tooth bar being arranged on the same group of power arm fixing pipe is dislocated;It is arranged on the fixing pipe of different group
Power arm on tooth bar misplace up and down.
In certain embodiments, when described power arm is positioned at off-position, a part for described power arm is housed inside
Rack and pinion in described housing and on power arm agrees with.
In certain embodiments, also including, locking device, it includes the first fixture and the connection being arranged on power arm
First fixture and the second fixture being arranged in housing, wherein said first fixture and described second fixture phase interworking
Close, to fix described power arm when described power arm is in described reception position.
In certain embodiments, described first fixture is lock hook, and described second fixture is steady pin, described locking
Hook can be with described steady pin fixed engagement.
In certain embodiments, also including release-push, described release-push is for fixing described lock hook from described
Pin release.
In certain embodiments, the inner top of described lock hook has inclined-plane, and it is described that described release-push is configured to driving
Steady pin moves along described inclined-plane and departs to from described lock hook, thus described power arm is fixed by the device that unlocks.
In certain embodiments, the plurality of telescoping member includes first group of movable tubes and second group of movable tubes, each group
Movable tubes connects the first power arm and second power arm relative with the first power arm;Wherein the first power arm and the second power
Arm defines cavity, and described cavity is configured to, and described first power arm is when reception position, movable with what the first power arm was connected
Pipe is at least partially contained in the cavity of the second power arm;Described second power arm is when reception position, with the second power arm
The movable tubes connected is at least partially contained in the cavity of the first power arm.
In certain embodiments, described housing includes that upper shell and lower house, described upper shell engage with lower house, jointly
Limit described cavity.
Detailed description of the invention
In the following detailed description, with reference to constitute part thereof of accompanying drawing.In the accompanying drawings, the similar usual table of symbol
Show similar ingredient, unless otherwise indicated by context.Illustrative reality described in detailed description, drawings and claims
The mode of executing is not intended to limit.In the case of the spirit or scope without departing from the theme of the application, other can be used to implement
Mode, and other changes can be made.Be appreciated that can in the application general that describe, scheme in the accompanying drawings to explain orally
The various aspects of bright teachings herein carry out multiple differently composed configuration, replace, combine, design, and all these the brightest
Really constitute a part for teachings herein.
Multi-rotor aerocraft is as a kind of aircraft, and structure needs to meet aerodynamic requirement.Therefore, existing many
Power arm generally fixed by rotor craft, and whole multi-rotor aerocraft shape is irregular, (does not flies in off working state
Row state or receiving state) volume exclusion is unreasonable, storage transport inconvenience.And many rotors that existing power arm can shrink fly
Row device, structure is complicated, function singleness.The application provides a kind of multi-rotor aerocraft, use the telescoping member optimized and with stretch
The multi-rotor aerocraft component of contracting Components Matching, such as housing and power arm etc., not only receive facility, and flight stability is good.
Refer to Fig. 1, Fig. 2 and Fig. 3, wherein, Fig. 1 shows that the power arm according to one embodiment of the application is in storage position
The side view of the multi-rotor aerocraft 100 put.Fig. 2 shows that the power arm according to one embodiment of the application is at reception position
The structural representation of multi-rotor aerocraft 100;Fig. 3 shows that the power arm according to one embodiment of the application is in off-position
The structural representation of multi-rotor aerocraft 100.In certain embodiments, multi-rotor aerocraft 100 includes: housing 110;Flexible structure
Part 130 and the power arm 120 being installed in telescoping member 130.
In certain embodiments, housing 110 be UFO-like, class is UFO-like, plate-like, class plate-like, cuboid, class cuboid,
The shapes such as square, class square, spheroid or globoid.The material of housing 110 can be metal, alloy, plastics, fiberglass or
Person's composite.Housing 110 has cavity, and this cavity constitutes receiving power arm 120, telescoping member 130 and many rotor flyings
The cavity of other assemblies of device 100.In certain embodiments, as it is shown in figure 1, housing 110 includes upper shell 112 and lower house
114, wherein upper shell 112 engages each other with lower house 114, jointly limits cavity.In further embodiments, housing 110 is also
Can be formed in one.In certain embodiments, the side of housing 110 also has some openings, this open communication outside and chamber
Body, and allow power arm to be moved in or out cavity by this opening.In certain embodiments, some opening circumferences are evenly distributed
On housing 110.In certain embodiments, the quantity of opening can be 2,4,6,8 or other quantity.As one
One exemplary embodiment, 4 openings are the most uniformly circumferentially distributed in housing side.In other examples, Ruo Gankai
Mouthful can equidistantly or Unequal distance be distributed in housing side.
In certain embodiments, the multi-rotor aerocraft of the application also includes one or more for driving power arm 120
Stretch out or telescoping member 130 in retraction housing 110.As some embodiments, this telescoping member 130 is by carbon fibre material system
Become.Wherein, carbon fibre material is a kind of phosphorus content high intensity more than 90% (percentage by weight), the undulation degree of high-modulus
Material.It is to be piled up along fiber axial direction by organic fibers such as flake graphite crystallites to form, and obtains through carbonization and graphitization processing
The micro crystal graphite material arrived.Such as, polyacrylonitrile carbon fiber, asphalt-based carbon fiber or viscose carbon fiber.In the present embodiment,
The telescoping member 130 being made up of carbon fibre material has higher rigidity and toughness, it is possible to be conducive to improving multi-rotor aerocraft
Flight stability and improve multi-rotor aerocraft crash resistance.As some embodiments, as it is shown on figure 3, telescoping member 130 is wrapped
Include fixing pipe 132 and movable tubes 134.Wherein, fixing pipe 132 is all made up of carbon fibre material with movable tubes 134.Real as some
Executing example, fixing pipe 132 is hollow pipe or part hollow pipe;Movable tubes 134 is hollow pipe or part hollow pipe;Implement at other
In example, fixing pipe 132 or movable tubes 134 can also be solid tubes, if it should be noted that fixing pipe 132 is solid tubes, that
Movable tubes 134 is hollow pipe or part hollow pipe;If movable tubes 134 is solid tubes, then fixing pipe 132 be hollow pipe or
Part hollow pipe.
As some embodiments, fixing pipe 132 is fixed in housing 110, such as it is preferred that be fixed on housing 110
Centre position.And movable tubes 134 and fixing pipe 132 nest together with matching each other, movable tubes 134 can be along fixing pipe
The axis of 132 operationally moves.As some embodiments, the length of movable tubes 134 can be more than the length of fixing pipe 132;
As other embodiments, the length of movable tubes 134 can be less than or equal to the length of fixing pipe 132.Those skilled in the art
The collapsing length that member can need according to power arm 120, selects movable tubes 134 and the length of fixing pipe 132, specially says at this
Bright, should too not limit the protection domain of the application.
As some embodiments, movable tubes 134 matches each other with fixing pipe 132 and nested can be following structure: fixing
Pipe 132 is fixed in housing, such as housing 110 center or close housing 110 center, and fixing pipe 132 is for having hollow knot
The hollow pipe of structure, this hollow pipe has and runs through fixing pipe 132 at least in part or run through the passage of fixing pipe 132 total length, movably
Pipe 134 is accommodated by fixing pipe 132 and moves along passage.In certain embodiments, movable tubes 134 has connection power arm 110
Far-end, and the near-end relative with far-end.As some embodiments, the near-end of movable tubes 134 can only be transported in fixing pipe 132
Dynamic.In further embodiments, the near-end of movable tubes 134 can extend fixing pipe 132 in motor process.Implement at some
In example, when off-position, the near-end of movable tubes than far-end closer to the center of housing.In certain embodiments, stretch
Contracting component 130 also includes the release stop hole (Fig. 3 discharging stop nodal plate (not shown in Fig. 3) and coordinating with release stop nodal plate
Not shown in), release stop nodal plate is arranged at the near-end of movable tubes 134, and release stop hole is arranged on fixing pipe 132 and is close in
The position of its far-end, when movable tubes 134 drives power arm 120 to move to off-position, the release of the near-end of movable tubes 134 is only
In the release stop hole of the far-end that dynamic nodal plate card is embedded in fixing pipe 132, to be relatively fixed movable tubes 134 in off-position and to fix
Pipe 132.In further embodiments, release stop nodal plate is arranged on fixing pipe 132, and discharges stop knothole and be arranged on movably
On pipe 134.In further embodiments, telescoping member 130 also includes receiving stop nodal plate and coordinating with storage stop nodal plate
Storage stop hole, wherein storage stop nodal plate is arranged on the position being close in its far-end in movable tubes 134, and storage stop hole is arranged
Being close in the position of its near-end on fixing pipe 132, when power arm moves to reception position, storage stop nodal plate card is embedded in receipts
Receive in stop hole, to be relatively fixed movable tubes 134 and fixing pipe 132 at reception position.In further embodiments, storage stop
Nodal plate is arranged on fixing pipe 132, and receives stop knothole and be arranged in movable tubes 134.In certain embodiments, movable tubes
134 is multi-stage expansion structure, and specifically, movable tubes 134 includes some sub-movable tubes (not shown) nested successively, nested with one another
Sub-movable tubes can be with relative movement, to axially extend movable tubes or to shrink the length of movable tubes.
As other embodiments, it can be following structure that movable tubes matches each other nested with fixing pipe: movable tubes is
Having the hollow pipe of hollow structure, this movable tubes has and runs through movable tubes at least in part or run through the passage of movable tubes total length.
Fixing pipe is fixed in housing, and fixing pipe can be hollow pipe or solid tubes, and movable tubes is coated and fixed the part surface of pipe, and
Movable tubes can move along fixing pipe.In certain embodiments, the far-end of movable tubes connects dynamic arm.
As some embodiments, the fixing pipe 132 that multiple telescoping member 130 include can be divided into not according to bearing of trend
Same group.Such as, telescoping member includes fixing pipe and along second axially placed second group along first axially placed first group
Fixing pipe, wherein said first axially axially intersects, such as with 30 degree, 45 degree, 60 degree or 90 the most at a certain angle with second
The angular cross of degree.As some embodiments, fix pipe for first group and fix axially being mutually perpendicular to of pipe with second group.As another
A little embodiments, fix pipe for first group and are vertically stacked in second group and fix on pipe, to reduce first group of fixing pipe and second
The space that the fixing pipe of group occupies.In certain embodiments, first group fix pipe include two fixing pipe 132a parallel to each other and
132b, two fixing pipe 132a and 132b parallel to each other can be one-body molded can also be separate.Second group of fixing pipe
Can be that one becomes including two fixing pipe 132c and 132d parallel to each other, two fixing pipe 132c with 132d parallel to each other
Type can also be to separate.As some embodiments, first group is fixed pipe with second group of cross point fixing pipe is in housing
Heart point.
As it is shown on figure 3, corresponding to first group of fixing pipe and second group of fixing pipe, multiple telescoping member 130 include first group
Movable tubes and second group of movable tubes, wherein, first group of movable tubes includes two movable tubes 134a parallel to each other and 134b, first
In group movable tubes each movable tubes 134a and 134b be correspondingly inserted in first group fix in pipe fix pipe 132a accordingly
With in 132b.Second group of movable tubes includes two movable tubes 134c parallel to each other and 134d, in second group of movable tubes each
Movable tubes 134c and 134d are correspondingly inserted in second group of corresponding fixing pipe 132c and 132d fixed in pipe.Wherein, may be used
Dynamic pipe 134 can move axially along fixing pipe 132, and the far-end of movable tubes 134 connects dynamic arm 120, thus by movable
The pipe 134 relative movement in fixing pipe 132, drives power arm 120 to move between reception position and off-position.At some
In embodiment, at reception position, power arm 120 is housed inside in the cavity of housing 110 completely.In certain embodiments, receiving
Receiving position, power arm 120 is partly housed inside in the cavity of housing 110.In certain embodiments, in off-position, power
Arm 120 can be fully removed the cavity of housing 110.In certain embodiments, in off-position, power arm 120 partly removes
The cavity of housing 110, also has the power arm 120 of part to be retained in the cavity of housing 110.It should be noted that power arm 120
Removal housing 110 span access location length need to meet following condition: in off-position, the rotor being arranged on power arm 120 can
With normal work.Those skilled in the art can rationally select power arm 120 to remove according to the specific design of many rotor flyings
The size of shell length.In certain embodiments, housing 110 is additionally provided with corresponding with the position of power arm 120 and quantity
Opening, is moved in or out housing for power arm 120.This opening is sized to allow without hindrance the entering of power arm 120
Go out opening to be preferred.In certain embodiments, the far-end of power arm 120 is arranged to the shape corresponding with the lid of opening, works as power
When arm 120 moves to reception position, the far-end of power arm 120 covers opening accordingly so that multi-rotor aerocraft is in big fine and close
UFO-like, flying disc shape, spherical or other shapes closed.
Refer to Fig. 4, in certain embodiments, the multi-rotor aerocraft of the application also includes multiple power arm 120.As
Some embodiments, power arm 120 is connected with telescoping member 130, in off-position and storage position under the drive of telescoping member 130
Put movement.In certain embodiments, at reception position, power arm 120 is completely or partially accommodated in housing 110, to save
The space that aircraft occupies.As some embodiments, rotor is arranged at the far-end of power arm 120 or remote close to power arm 120
The position of end.As some embodiments, power arm is the open box-like structure with cavity, is provided with spaced walls in opening box
121, cavity is cut off for closing on the first cavity of power arm far-end and closing on the second cavity of power arm near-end.Wherein, first
Cavity is used for accommodating rotor.Movable tubes 134 is connected in spaced walls by the second cavity.As some embodiments, spaced walls 121
Side be provided with sleeve pipe 122, movable tubes 134 can by insert sleeve pipe 122 and be connected with power arm 120.As other
Embodiment, movable tubes 134 can be connected in spaced walls 121 by connected modes such as welding, gluings.
Refer to Fig. 5, as some embodiments, first group of movable tubes includes two first movable tubes 134 ' parallel to each other
With the second movable tubes 134 ", wherein the first movable tubes 134 ' connects the first power arm 120 ', the second movable tubes 134 " connect second
Power arm 120 ".First power arm 120 ' and the second power arm 120 " all there is the second cavity, and the internal diameter of the second cavity is more than
First movable tubes 134 ' and the second movable tubes 134 " spacing so that power arm is when reception position moves, first is movable
The near-end of pipe 134 ' extends fixing pipe in motor process, and extends into the second power arm 120 " the second cavity in;Equally
Ground, the second movable tubes 134 " near-end in motor process, extend fixing pipe, and extend into the second of the first power arm 120 '
In cavity.Using such setting, in the case of the length not increasing housing, movable tubes 134 can arrange longer length,
So that power arm can extend to off-position farther out, and can all be accommodated in housing when reception position.
In certain embodiments, refer to Fig. 6, power arm 120 has first surface I and relative with first surface I
Two surface II (in order to be shown more clearly that the structure within power arm, power arm in X direction omits first surface I), rotor
It is arranged on the first surface I of power arm, when first group of fixing pipe fixes pipe stacking placement with second group, first group of movable tubes coupling
The first surface I of the power arm 120 that the first surface I of the power arm 120 connect and second group of movable tubes couple is towards setting on the contrary
Put, so that the setting of the rotor of power arm that couples of the rotor of power arm that couples of first group of movable tubes and second group of movable tubes
Seated position can be offset first group and fix pipe and fix pipe stacking with second group and place the difference in height that causes, so that first group can
The rotor of the power arm that the rotor of the power arm that dynamic pipe couples and second group of movable tubes couple is generally in same plane, thus carries
High multi-rotor aerocraft flying quality.
In some embodiments, it is also possible to can by arranging position that first group of movable tubes couple and second group with power arm
The position that dynamic pipe and power arm couple has difference in height, offsets first group of fixing pipe and fixes pipe stacking with second group and place generation
The difference in height of first group of movable tubes and second group of movable tubes so that the rotor of multi-rotor aerocraft is generally in same plane,
Thus improve multi-rotor aerocraft flying quality.
In certain embodiments, refer to Fig. 6, multi-rotor aerocraft 100 also includes multiple driving means, wherein, drives
Device is configured between the fixing pipe 132 and movable tubes 134 of telescoping member 130 apply bias force, to drive corresponding moving
The arm of force is moved to off-position by reception position.In certain embodiments, driving means be spring 140 (it should be noted that
In Fig. 6, movable tubes 134 outer surface is wrapped up by spring 140).As some embodiments, spring 140 has hollow channel, movable tubes
134 passages passing spring 140, one end of spring 140 is fixed on the remote port of fixing pipe 132, and the other end of spring 140 is solid
In the spaced walls of power arm 120.As other embodiment, the other end of spring can also be fixed in movable tubes 134.
Such as, the other end of spring 140 can also be fixed on the far-end of movable tubes 134 or close to the position of far-end.In some embodiments
In, spring 140 is arranged to: when power arm 120 is in reception position, spring 140 is in compressive state;And work as power arm
120 when being in off-position, and spring 140 is in relaxed state.When after user Push switch release power arm 120, it is in pressure
The spring 140 of contracting state can automatically move to off-position by propulsion power arm 120;When power arm 120 is recycled to receive position
Putting, the spring 140 of relaxed state is changed into compressive state under external force.
In certain embodiments, refer to Fig. 6, Fig. 7 and Fig. 8, multi-rotor aerocraft 100 also includes multiple damping unit.
Wherein, damping unit is configured to slow down the speed that power arm 120 is moved to off-position by reception position.To avoid power arm
The assemblies such as 120 is excessively fierce when moving, damage rotor.In certain embodiments, damping unit be gear 151 and with gear 151
The tooth bar 152 (it should be noted that in figure 6, due to view visual angle, the most only illustrate a tooth bar) of coupling is logical
Overregulate the tightness of gear 151 and tooth bar 152, or between gear 151 and tooth bar 152, coat damping oil, to regulate tooth
Wheel 151 and the matching degree of tooth bar 152, thus when discharging power arm 120, the movement that power arm 120 is smooth can be made, and avoid
Elastic force crosses macrolesion movable tubes 134 and/or rotor.In certain embodiments, gear 151 can be arranged on power arm and (please join
Examine Fig. 6), tooth bar 152 can be arranged on housing 110 inwall and tooth bar 152 mates with gear 151, when power arm 120 is by receiving
When position is moved to off-position, gear 151 moves along tooth bar 152.In certain embodiments, refer to Fig. 7, tooth bar 152 can
To be arranged on the side of power arm 120, gear 151 is arranged in housing 110 inwall, and gear 151 mates with tooth bar 152, when
When power arm 120 is moved to off-position by reception position, tooth bar 152 moves along gear 151.It addition, refer to Fig. 8, Fig. 8 is
Dotted line in Fig. 7 outlines the partial enlarged drawing of part, and display is arranged on the tooth bar 152 of power arm 120 side and is arranged on cavity
Inside close on the embodiment that the gear 151 of opening is worked in coordination.In another embodiment, gear can be arranged on power arm
Tooth bar is arranged on housing.
In certain embodiments, incorporated by reference to reference to Fig. 7 and Fig. 9, can pass through rationally to arrange tooth bar 152 and gear 151
Position, occupies the space in housing 110 saving damping unit.As some embodiments, when telescoping member 130 includes first group
Fixing pipe and second group of fixing pipe, first group fix pipe with second group fix pipe be axially mutually perpendicular to and first group of fixing pipe with
Second group fix pipe stacking place time, can be by arranging the position of tooth bar 152 so that on the power arm that same group is fixed pipe
Tooth bar 152 be dislocated;The tooth bar about 152 being arranged on the power arm of the fixing pipe of different group misplaces.Implement as some
Example, fixes pipe for first group and fixes pipe all to there being two power arms being oppositely arranged 120 with second group, i.e. fix with first group
First group of movable tubes that pipe is corresponding includes two first movable tubes 134a parallel to each other and the second movable tubes 134b, with second group
Second group of movable tubes that fixing pipe is corresponding includes two the 3rd movable tubes 134c parallel to each other and the 4th movable tubes 134d;Its
In, each movable tubes correspondence connects a power arm 120.In this manner, such as, in corresponding the moving of the first movable tubes 134a
When the arm of force 120 arranges tooth bar, tooth bar 152 is arranged on the side of power arm corresponding to the first movable tubes 134a 120, accordingly,
The tooth bar 152 of the power arm 120 that two movable tubes 134b are corresponding is arranged on the opposite side of power arm 120;3rd movable tubes 134c pair
The tooth bar 152 of the power arm 120 answered is arranged on the side of power arm 120, accordingly, the power arm that the 4th movable tubes 134d is corresponding
The tooth bar 152 of 120 is arranged on the opposite side of power arm 120;Make the tooth bar on two power arms 120 of same group of movable tubes
152 are dislocated, and two toothed rack of power arm 120 correspondence of the i.e. first movable tubes 134a and the second movable tubes 134b are that left and right is wrong
Position, same, two toothed rack of power arm 120 correspondence of the i.e. the 3rd movable tubes 134c and the 4th movable tubes 134d are also that left and right is wrong
Position.In certain embodiments, the height of the tooth bar 152 being arranged on the same group of power arm fixing pipe is identical, and such as, first is movable
The height of the tooth bar that tooth bar corresponding for pipe 134a is corresponding with the second movable tubes 134b is identical.In further embodiments, it is arranged on
The height of the tooth bar 152 of the power arm of the fixing pipe of different groups is different, so that the tooth bar on the power arm 120 of the fixing pipe of different group
About 152 misplace, and such as, tooth bar corresponding to the first movable tubes 134a is corresponding with the 3rd movable tubes 134c or the 4th movable tubes 134d
Tooth bar height different;Tooth bar corresponding to the second movable tubes 134b is corresponding with the 3rd movable tubes 134c or the 4th movable tubes 134d
Tooth bar height is different.Correspondingly, corresponding with the tooth bar 152 on each power arm gear 151 is disposed proximate to housing 110 opening
Position.Setting by above-mentioned rack and pinion, it is possible to effectively save the space in housing, and avoid different resistances
Interacting between Buddhist nun's device.
In certain embodiments, in order to avoid tooth bar 152 and gear 151 side set, power arm 120 is in reception position and release
When position moves back and forth, tooth bar 152 all the time with gear 151 keep contact without deviating from.In certain embodiments, dynamic by arranging
The arm of force 120 not exclusively stretches out housing 110 in off-position so that when power arm 120 is in off-position, be arranged on power arm
Tooth bar 152 also some is positioned at housing 110.In this manner, when power arm 120 is in off-position, it is received
Tooth bar 152 that is in housing 110 and that be arranged on power arm 120 can keep agreeing with gear 151, it is to avoid power arm
120 are in off-position hour rack 152 and gear 151 side set.In other embodiments, refer to Fig. 6, by by tooth bar 152
In being fixedly provided in housing, gear 151 is arranged on power arm 120, and tooth bar 152 and gear 151 can also temporary mistakes
Tooth.In certain embodiments, refer to Figure 10 and Figure 11, during wherein Figure 11 is Figure 10, dotted line outlines the enlarged drawing in region.Many rotations
Rotor aircraft also includes locking device 160 and release-push 170.Locking device 160 is for being in reception position at power arm 120
Time fix power arm 120, fixed arm 120 is limited in housing 110.Release-push 170 is used for unlocking locking device 160.?
In some embodiments, locking device 160 includes the first fixture being arranged on power arm 120 and connects the first fixture and set
Put the second fixture in housing 110, the first fixture and the second fixture to work in coordination, be in storage at power arm 120
Power arm 120 is fixed during position.In certain embodiments, as shown in figure 11, the near-end of power arm 120 is provided with lock hook 161,
At release-push 170, (it should be noted that only illustrate the enlarged drawing of locking device 160 due to Figure 10, release-push 170 is not
Figure 11 illustrates) on be provided with steady pin 162.Wherein, lock hook 161 includes that the cavity of receiving steady pin 162 and hook are surely solid
The coupler body of rationed marketing 162, the inner top of the cavity wherein accommodating steady pin is inclined-plane S.When many rotor flyings are in receiving state,
Steady pin 162 determined by the coupler body hook of lock hook 161, and power arm 120 is fixed on reception position, to reduce the sky that aircraft occupies
Between.When needs use aircraft, user presses release-push 170, at user by under the effect of power, steady pin
162 are moved by the inclined-plane along cavity inner top that drives of release-push 170, until departing from lock hook 161, thus release power
Fixing of arm 120.Then, power arm 120, under the effect of driving means, moves to off-position.During release, tooth
Wheel and tooth bar remain coupling so that the smooth motion of power arm.
The application also provides for a kind of telescoping member for multi-rotor aerocraft, and telescoping member is configured to operationally coupling
Connect first component and second component, and allow second component to move between reception position and off-position, at reception position,
Second component is at least partly accommodated in first component, and in off-position, second component is moved at least partly out
One parts, wherein, telescoping member includes: fixing pipe, described fixing pipe is connected to first component;Movable tubes, movable tubes is with solid
Fixed tube nest together with being mutually matched so that movable tubes can moving axially along fixing pipe, one end of movable tubes is by regularly
It is coupled to second component, thus drives second component to move between reception position and off-position;Wherein, fixing pipe is with movable
At least one in pipe is made up of carbon fibre material, or fixing pipe is made by carbon fibre material with movable tubes.
In certain embodiments, as it is shown on figure 3, above-mentioned first component can be housing 110, second component can be power
Arm 120, stretching structure 130 is arranged in housing 110.Other specifically describe embodiment before being referred to, and do not repeat them here.
In certain embodiments, fixing pipe becomes to be suitable to movable tubes along fixed tubular axle to movement with the dimensional configurations of movable tubes.
In certain embodiments, described telescoping member also includes driving means, and driving means is configured in telescoping member
Fixing pipe and movable tubes between apply bias force, to drive corresponding second component to be moved to off-position by reception position.
In certain embodiments, driving means is spring.As some embodiments, spring has passage, movable tubes leading to through spring
Road, one end of spring is fixed on the remote port of fixing pipe, and the other end of spring is fixed in the spaced walls of power arm.As it
His embodiment, the other end of spring can also be fixed on other positions of power arm.As other embodiments, spring another
One end can also be fixed on the far-end of movable tubes or close to the position of far-end.In certain embodiments, spring is arranged to: when dynamic
When the arm of force is in reception position, spring is in compressive state;And when power arm is in off-position, spring is in relaxation shape
State.When user Push switch release power arm after, be in compressive state spring can automatically propulsion power arm move to
Off-position;When power arm is recycled to reception position, and the spring of relaxed state is changed into compressive state under external force.
Although it should be noted that, be referred in above-detailed multi-rotor aerocraft and some modules of telescoping member or
Submodule, but that this division is merely exemplary and nonrestrictive.It practice, according to embodiments herein, above
Feature and the function of two or more modules described can embody in a module.Otherwise, an above-described mould
The feature of block and function can embody with Further Division for by multiple modules.
The those skilled in the art of those the art can be by research description disclosure and accompanying drawing and appended
Claims, understand and implement to disclose embodiment other change.In the claims, word " includes " not arranging
Except other element and step, and wording " one ", " one " are not excluded for plural number.In the actual application of the application, one zero
Part may perform the function of multiple technical characteristics cited in claim.Any reference in claim should not be managed
Solve as the restriction to scope.