CN106347623B - A kind of aircraft shaft and aircraft - Google Patents
A kind of aircraft shaft and aircraft Download PDFInfo
- Publication number
- CN106347623B CN106347623B CN201610835483.6A CN201610835483A CN106347623B CN 106347623 B CN106347623 B CN 106347623B CN 201610835483 A CN201610835483 A CN 201610835483A CN 106347623 B CN106347623 B CN 106347623B
- Authority
- CN
- China
- Prior art keywords
- rotation angle
- aircraft
- fixing axle
- locating piece
- angle part
- 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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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C1/00—Fuselages; Constructional features common to fuselages, wings, stabilising surfaces or the like
- B64C1/06—Frames; Stringers; Longerons ; Fuselage sections
- B64C1/061—Frames
- B64C1/063—Folding or collapsing to reduce overall dimensions, e.g. foldable tail booms
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C1/00—Fuselages; Constructional features common to fuselages, wings, stabilising surfaces or the like
- B64C1/30—Parts of fuselage relatively movable to reduce overall dimensions of aircraft
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C27/00—Rotorcraft; Rotors peculiar thereto
- B64C27/04—Helicopters
- B64C27/08—Helicopters with two or more rotors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64U—UNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
- B64U10/00—Type of UAV
- B64U10/10—Rotorcrafts
Abstract
The present invention provides a kind of adjustable-angle and steady aircraft shaft and the aircraft with the shaft, the aircraft shaft includes the rotation angle part being connected to each other and angle locating piece, the rotation angle part is circumferentially provided with the first engaging position, first engaging position is both provided with the first engaging inclined-plane clockwise and counterclockwise, and the angle locating piece engages inclined-plane equipped with the second engaging position compatible with the rotation angle part and second.The beneficial effects of the present invention are：The horn of aircraft is connect with fuselage by the rotation angle part and angle locating piece being mutually clamped so that the folding angles between horn and fuselage can be fixed, and be not easy to loosen.
Description
Technical field
The present invention relates to aircraft field, specifically a kind of aircraft shaft and aircraft.
Background technology
The paddle arm of common rotary wind type unmanned plane is generally made of two sections of detachable parts, close to the of unmanned aerial vehicle body
One section is usually integrally formed with fuselage, and the second segment far from unmanned aerial vehicle body is connected to by detachable structure on first segment,
Thus it can reduce the occupied space of unmanned plane in the process of packed and transported.However, existing paddle arm detachable structure usually will
Two sections of paddle arm are completely isolated, therefore assembling process trivial operations, inefficiency, convenience are poor, the rule of especially each paddle arm
When lattice are inconsistent, there is also the problems that pairing is difficult.
Application No. is 201610107652.4 patents of invention to disclose a kind of folding arm component of unmanned plane, including casing
It with multiple horns, is provided with to the corresponding installing port of horn on casing, horn activity is on installing port to expansion shape
State and folded state have a spring secures rail to sleeper on horn, have raised clamp on spring secures rail to sleeper, raised clamp on installing port
Catch, which is mutually clamped, makes horn keep unfolded state, raised clamp and catch separation that horn is made to enter rugosity.Although the structure can
To realize the folding and expansion of horn, but by then pass through protrusion clamp and the connection of catch and detach, horn and casing it
Between cylinder-shaped shaft make horn relative to casing rotation to realize the expansion and folding of horn, after clamp is detached with catch,
The angle of horn and casing can not just fix, and horn is easy to unclamp so that folding incomplete.
Invention content
The technical problem to be solved by the present invention is to：There is provided a kind of adjustable-angle and steady aircraft shaft and
Aircraft with the shaft.
In order to solve the above-mentioned technical problem, the technical solution adopted by the present invention is：A kind of aircraft shaft, including connect each other
The rotation angle part and angle locating piece connect, the rotation angle part are circumferentially provided with the first engaging position, first engaging position
Be both provided with the first engaging inclined-plane clockwise and counterclockwise, the angle locating piece is equipped with and the rotation angle part
Compatible second engaging position and the second engaging inclined-plane.
Further, first engaging position is the boss being arranged on the end face of rotation angle part, first engaging
Inclined-plane is downwardly extending from the boss to rotation angle part end slope；
Second engaging position is the groove of the corresponding boss setting, and second engaging inclined-plane is by angle locating piece
End face is downwardly extending to the groove slant.
Further, first engaging position is the groove being arranged on the end face of rotation angle part, first engaging
Inclined-plane is downwardly extending from the end face of rotation angle part to the groove slant；
Second engaging position is the boss of the corresponding groove setting, and the second engaging inclined-plane is from the boss to angle
The end slope of degree locating piece is downwardly extending.
Further, the outer rim of the rotation angle part is outward extended with limited block, and the limited block is equipped with limit hole.
Further, further include fixing axle, the rotation angle part is spindle rotationally arranged in fixing axle, and the angle is fixed
Position block is non-rotatable to be arranged in fixing axle.
Further, the fixing axle is symmetrically arranged with flat position along central shaft, and the rotation angle part is equipped with and fixation
The compatible circular hole of axis, the angle locating piece are equipped with slotted hole compatible with fixing axle.
Further, further include base stand location block, the base stand location block is un-rotatably arranged in fixing axle, described
Angle locating piece is connect by base stand location block and fixing axle with aircraft fuselage.
Further, the edge of the base stand location block, which is recessed inwardly, is formed with spacing breach, and the base stand location block is set
There is slotted hole compatible with fixing axle.
Further, one end of the fixing axle is provided with limiting platform, and the base stand location block setting is positioned in angle
Between block and limiting platform.
Further, the base stand location block is equipped with the screw hole for being connect with aircraft fuselage.
Further, further include fastening nut, the fastening nut is threadedly coupled with fixing axle.
Further, further include the fastening assembly being rotatably arranged in fixing axle, the fastening assembly is arranged tight
Gu between nut and rotation angle part.
Further, the fastening assembly includes two fasteners mutually abutted, and the end face of the fastener is equipped with recess
The recessed portion in portion, two fastener is oppositely arranged.
Further, the fastening assembly between the fastening assembly and rotation angle part, described and rotation angle part it
Between be both provided with non-slipping block.
Further, the end face of the non-slipping block is radially provided with the angle phase between multiple anti-slip tanks and adjacent anti-slip tank
Together.
The present invention also provides a kind of aircraft with above-mentioned aircraft shaft, including horn and fuselage, the rotation angles
Degree part with horn for connecting, and the angle locating piece with fuselage for connecting.
The beneficial effects of the present invention are：Have between the horn and fuselage of aircraft the rotation angle part being mutually clamped and
Angle positioning block structure is both provided with engaging inclined-plane clockwise and counterclockwise so that the angle folding between horn and fuselage
Degree can be fixed, and be not easy to loosen.
Description of the drawings
Fig. 1 is the structural schematic diagram of the rotation angle part of the embodiment of the present invention 1~10.
Fig. 2 is the structural schematic diagram of the angle locating piece of the embodiment of the present invention 1~10.
Fig. 3 is the folded state schematic diagram of the aircraft of the embodiment of the present invention 1~9.
Fig. 4 is the unfolded state schematic diagram of the aircraft of the embodiment of the present invention 1~9.
Fig. 5 is the explosive view of the shaft of the embodiment of the present invention 2~9.
Fig. 6 is the structural schematic diagram of the shaft of the embodiment of the present invention 2~9.
Fig. 7 is the structural schematic diagram of the base stand location block of the embodiment of the present invention 3~9.
Fig. 8 is the structural schematic diagram of the fixing axle of the embodiment of the present invention 2~9.
Fig. 9 is the structural schematic diagram of the fastening assembly of the embodiment of the present invention 8 and 9.
Figure 10 is the structural schematic diagram of the non-slipping block of the embodiment of the present invention 9.
Label declaration：
1, shaft；11, fastening nut；12, non-slipping block；121, anti-slip tank；13, fastening assembly；131, fastener；1311,
Recessed portion；14, rotation angle part；141, the first engaging position；142, the first engaging inclined-plane；15, angle locating piece；151, the second card
Close position；152, the second engaging inclined-plane；16, base stand location block；161, spacing breach；17, fixing axle；171, flat position；172, it limits
Platform；2, horn；3, fuselage.
Specific implementation mode
To explain the technical content, the achieved purpose and the effect of the present invention in detail, below in conjunction with embodiment and coordinate attached
Figure is explained.
The design of most critical of the present invention is：The rotation angle part and angle locating piece being mutually clamped make horn and fuselage
Between rotational angle can fix and horn is not easy to loosen relative to fuselage.
Fig. 1~10, a kind of aircraft shaft are please referred to, including the rotation angle part 14 and angle locating piece being connected to each other
15, the rotation angle part is circumferentially provided with the first engaging position 141, first engaging position clockwise and counterclockwise
It is provided with the first engaging inclined-plane 142, the angle locating piece is equipped with the second engaging position compatible with the rotation angle part
151 and second engage inclined-plane 152.
Further, first engaging position is the boss being arranged on the end face of rotation angle part, first engaging
Inclined-plane is downwardly extending from the boss to rotation angle part end slope；Second engaging position is that the corresponding boss is set
The groove set, second engaging inclined-plane are downwardly extending from the end face of angle locating piece to the groove slant.
Seen from the above description, rotation angle part is fixed on aircraft horn, angle locating piece is fixed on aircraft
On fuselage, pass through the engaging of the boss and the groove of angle locating piece of rotation angle part so that the angle of aircraft horn and fuselage
Degree is relatively fixed；When needing that horn is folded or is unfolded, only need to by horn along the rotation clockwise or counterclockwise of shaft,
Boss is turned in the groove in downstream, until horn is folded or is unfolded.
Also, the rotation angle between the number of engaging position and the adjacent engaging position of shaft can be according to preceding horn with after
The concrete condition of horn is arranged.For example, the first engaging position on preceding horn rotation angle part could be provided as three, adjacent first
Angle between engaging position is 120 degree；Then the first card on horn rotation angle part and position could be provided as four, and adjacent the
Angle between one engaging position is respectively 69 degree and 111 degree.
Further, first engaging position is the groove being arranged on the end face of rotation angle part, first engaging
Inclined-plane is downwardly extending from the end face of rotation angle part to the groove slant；
Second engaging position is the boss of the corresponding groove setting, and the second engaging inclined-plane is from the boss to angle
The end slope of degree locating piece is downwardly extending.
Further, the outer rim of the rotation angle part is outward extended with limited block, and the limited block is equipped with limit hole,
Correspondingly, the limited block setting limiting slot of rotation angle part can be corresponded on horn, the limit hole on rotation angle part and horn spiral shell
Line connects.
Further, limited block or limiting slot can also be arranged in the angle locating piece, in order to fixed and fuselage phase
To position, and screw hole can also be set on angle locating piece and be bonded with fuselage with realizing.
Further, further include fixing axle 17, the rotation angle part is spindle rotationally arranged in fixing axle, the angle
Locating piece is non-rotatable to be arranged in fixing axle.
Further, the fixing axle is symmetrically arranged with flat position 171 along central shaft, and the rotation angle part is equipped with and consolidates
The compatible circular hole of dead axle, the angle locating piece are equipped with slotted hole compatible with fixing axle.
Further, further include base stand location block 16, the base stand location block is un-rotatably arranged in fixing axle, institute
Angle locating piece is stated to connect with aircraft fuselage by base stand location block and fixing axle.
Further, the edge of the base stand location block, which is recessed inwardly, is formed with spacing breach 161, the base stand location block
Equipped with slotted hole compatible with fixing axle, position-limiting action is played in the flat position on the slotted hole to fixing axle, prevents horn from rotating
When its and then rotate.
Seen from the above description, which can not only play position-limiting action, while convenient for determining direction when assembly.
Further, one end of the fixing axle is provided with limiting platform 172, and the base stand location block setting is fixed in angle
Between position block and limiting platform.
Further, the base stand location block is equipped with the screw hole for being connect with aircraft fuselage.
Further, further include fastening nut 11, the fastening nut is threadedly coupled with fixing axle with by rotation angle part
It is locked with angle locating piece.
Further, further include the fastening assembly 13 being rotatably arranged in fixing axle, the fastening assembly setting exists
Between fastening nut and rotation angle part.
Further, the fastening assembly includes two fasteners 131 mutually abutted, and the end face of the fastener is equipped with recessed
The recessed portion of concave portion 1311, two fastener is oppositely arranged.
Further, the fastening assembly between the fastening assembly and rotation angle part, described and rotation angle part it
Between be both provided with non-slipping block 12.
Further, the end face of the non-slipping block is radially provided with the folder between multiple anti-slip tanks 121 and adjacent anti-slip tank
Angle is identical.
The present invention also provides a kind of aircraft with above-mentioned aircraft shaft, including horn 2 and fuselage 3, the rotations
Angle part with horn for connecting, and the angle locating piece with fuselage for connecting.
Embodiment 1：Fig. 1~4, a kind of aircraft are please referred to, including horn 2, fuselage 3 and shaft 1, the shaft include that
The rotation angle part 14 and angle locating piece 15 of this connection, the rotation angle part is circumferentially provided with the first engaging position 141, described
First engaging position is both provided with the first engaging inclined-plane 142 clockwise and counterclockwise, the angle locating piece be equipped with
The rotation angle part compatible engaging of second engaging position 151 and second inclined-plane 152.The rotation angle part connects with horn
It connects, the angle locating piece is connect with fuselage.
The rotation angle part and angle locating piece can be such as any one in lower structure：
(1) first engaging position is the boss being arranged on the end face of rotation angle part, it is described first engaging inclined-plane by
The boss is downwardly extending to rotation angle part end slope；Second engaging position is the recessed of the corresponding boss setting
Slot, second engaging inclined-plane are downwardly extending from the end face of angle locating piece to the groove slant；
(2) first engaging position is the groove being arranged on the end face of rotation angle part, it is described first engaging inclined-plane by
The end face of rotation angle part is downwardly extending to the groove slant；Second engaging position is that the corresponding groove is arranged
Boss, second engaging inclined-plane are downwardly extending from the boss to the end slope of angle locating piece.
The outer rim of the rotation angle part is outward extended with limited block, and the limited block is equipped with limit hole.
Embodiment 2：Fig. 1~6, a kind of aircraft, including horn 2, fuselage 3 and shaft 1 are please referred to, the shaft includes rotation
Gyration part 14, angle locating piece 15 and fixing axle 17, the rotation angle part are spindle rotationally arranged in fixing axle, the angle
The non-rotatable setting of locating piece is spent in fixing axle.
The fixing axle is symmetrically arranged with flat position 171 along central shaft, and the rotation angle part is equipped with and is mutually fitted with fixing axle
The circular hole matched, the angle locating piece are equipped with slotted hole compatible with fixing axle.
The rotation angle part is connect with horn.
Embodiment 3：Fig. 1~7 are please referred to, on the basis of embodiment 2, base stand location block 16, the base are further set
Seat locating piece is un-rotatably arranged in fixing axle 17, and the angle locating piece passes through base stand location block and fixing axle and fuselage
3 connections.
Embodiment 4：Fig. 1~7 are please referred to, on the basis of embodiment 3, are further arranged at the edge of base stand location block 16
The spacing breach 161 being recessed inwardly, the base stand location block are equipped with slotted hole compatible with fixing axle.
Embodiment 5：Fig. 1~8 are please referred to, on the basis of embodiment 3, can also be further arranged in one end of fixing axle
Limiting platform 172, the base stand location block are arranged between angle locating piece and limiting platform.
Embodiment 6：Please refer to Fig. 1~7, on the basis of embodiment 3, the base stand location block be equipped with for flight
The screw hole of device fuselage connection.
Embodiment 7：Fig. 1~6 are please referred to, further include fastening nut 11, the fastening nut on the basis of embodiment 3
It is threadedly coupled with fixing axle.
Embodiment 8：Please refer to Fig. 1~6 and Fig. 9, on the basis of embodiment 7, the shaft further include rotatably arranged with
Fastening assembly 13 in fixing axle, the fastening assembly are arranged between fastening nut and rotation angle part.The fastening group
Part includes two fasteners 131 mutually abutted, and the end face of the fastener is equipped with recessed portion 1311, the recess of two fastener
Portion is oppositely arranged.
Embodiment 9：Please refer to Fig. 1~10, on the basis of embodiment 8, the fastening assembly and rotation angle part it
Between, between the fastening assembly and rotation angle part be both provided with non-slipping block 12.The end face of the non-slipping block is radially provided with
Angle between multiple anti-slip tanks 121 and adjacent anti-slip tank is identical.
At the same time it can also which limiting platform 172 is arranged in one end of fixing axle, the base stand location block setting is positioned in angle
Between block 15 and limiting platform 172.Base stand location block is equipped with the screw hole for being connect with aircraft fuselage.In base stand location block
Edge the spacing breach 161 that is recessed inwardly is set, the base stand location block is equipped with slotted hole compatible with fixing axle.
Embodiment 10：Referring to Fig.1 and 2, a kind of shaft, by the rotation angle part 14 and angle locating piece being connected to each other
15 compositions, the rotation angle part are circumferentially provided with the first engaging position 141, the side clockwise and anticlockwise of first engaging position
To the first engaging inclined-plane 142 is both provided with, the angle locating piece is equipped with compatible with the rotation angle part second and blocks
It closes position 151 and second and engages inclined-plane 152.The shaft needs relatively turnable structure for connecting two, is not limited only to fly
The horn and fuselage of device.
In conclusion aircraft shaft provided by the invention and the advantageous effect of aircraft are：The horn of aircraft with
Have the rotation angle part being mutually clamped and angle positioning block structure between fuselage so that the folding angles between horn and fuselage
It can fix, be not easy to loosen.
Example the above is only the implementation of the present invention is not intended to limit the scope of the invention, every to utilize this hair
Equivalents made by bright specification and accompanying drawing content are applied directly or indirectly in relevant technical field, include similarly
In the scope of patent protection of the present invention.
Claims (15)
1. a kind of aircraft shaft, it is characterised in that：Including the rotation angle part being connected to each other and angle locating piece, the rotation
Angle part is circumferentially provided with the first engaging position, and first engaging position is both provided with the first engaging clockwise and counterclockwise
Inclined-plane, the angle locating piece engage inclined-plane equipped with the second engaging position compatible with the rotation angle part and second；Institute
The outer rim for stating rotation angle part is outward extended with limited block, and the limited block is equipped with limit hole, and the rotation angle part passes through
The limit hole is threadedly coupled with aircraft horn.
2. aircraft shaft according to claim 1, it is characterised in that：First engaging position is to be arranged in rotation angle
Boss on the end face of part, first engaging inclined-plane are downwardly extending from the boss to rotation angle part end slope；
Second engaging position is the groove of the corresponding boss setting, and described second engages end face of the inclined-plane by angle locating piece
It is downwardly extending to the groove slant.
3. aircraft shaft according to claim 1, it is characterised in that：First engaging position is to be arranged in rotation angle
Groove on the end face of part, first engaging inclined-plane extend downwardly shape from the end face of rotation angle part to the groove slant
At；
Second engaging position is the boss of the corresponding groove setting, and second engaging inclined-plane is determined from the boss to angle
The end slope of position block is downwardly extending.
4. aircraft shaft according to claim 1, it is characterised in that：Further include fixing axle, the rotation angle part can
In fixing axle, the angle locating piece is non-rotatable to be arranged in fixing axle for the setting of rotation.
5. aircraft shaft according to claim 4, it is characterised in that：The fixing axle is symmetrically arranged with along central shaft
Flat position, the rotation angle part are equipped with circular hole compatible with fixing axle, and the angle locating piece is equipped with and is adapted with fixing axle
Slotted hole.
6. aircraft shaft according to claim 4, it is characterised in that：Further include base stand location block, the base stand location
Block is un-rotatably arranged in fixing axle, and the angle locating piece is connected by base stand location block and fixing axle with aircraft fuselage
It connects.
7. aircraft shaft according to claim 6, it is characterised in that：The edge of the base stand location block is recessed inwardly shape
It is equipped with slotted hole compatible with fixing axle at having spacing breach, the base stand location block.
8. aircraft shaft according to claim 6, it is characterised in that：It is flat that one end of the fixing axle is provided with limit
Platform, the base stand location block are arranged between angle locating piece and limiting platform.
9. aircraft shaft according to claim 6, it is characterised in that：The base stand location block be equipped with for flight
The screw hole of device fuselage connection.
10. aircraft shaft according to claim 4, it is characterised in that：Further include fastening nut, the fastening nut with
Fixing axle is threadedly coupled.
11. aircraft shaft according to claim 10, it is characterised in that：Further include being rotatably arranged in fixing axle
Fastening assembly, the fastening assembly is arranged between fastening nut and rotation angle part.
12. aircraft shaft according to claim 11, it is characterised in that：The fastening assembly includes two mutually abutted
The end face of fastener, the fastener is equipped with recessed portion, and the recessed portion of two fastener is oppositely arranged.
13. aircraft shaft according to claim 11, it is characterised in that：Between the fastening nut and fastening assembly,
It is both provided with non-slipping block between the fastening assembly and rotation angle part.
14. aircraft shaft according to claim 13, it is characterised in that：The end face of the non-slipping block is radially provided with more
Angle between a anti-slip tank and adjacent anti-slip tank is identical.
15. a kind of aircraft with claim 1~14 any one of them aircraft shaft, it is characterised in that：Including machine
Arm and fuselage, the rotation angle part with horn for connecting, and the angle locating piece with fuselage for connecting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610835483.6A CN106347623B (en) | 2016-09-20 | 2016-09-20 | A kind of aircraft shaft and aircraft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610835483.6A CN106347623B (en) | 2016-09-20 | 2016-09-20 | A kind of aircraft shaft and aircraft |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106347623A CN106347623A (en) | 2017-01-25 |
| CN106347623B true CN106347623B (en) | 2018-11-13 |
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ID=57858963
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610835483.6A Active CN106347623B (en) | 2016-09-20 | 2016-09-20 | A kind of aircraft shaft and aircraft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106347623B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107161321A (en) * | 2017-06-12 | 2017-09-15 | 深圳市高巨创新科技开发有限公司 | A kind of folding mechanism and the aircraft using the mechanism |
| CN109421914A (en) * | 2017-08-30 | 2019-03-05 | 深圳市道通智能航空技术有限公司 | Folding rack and unmanned plane |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102009001759B4 (en) * | 2009-03-23 | 2013-02-21 | Gregor Schnoell | locking system |
| CN105000165A (en) * | 2015-07-23 | 2015-10-28 | 致导科技（北京）有限公司 | Locking device for folding type unmanned aerial vehicle arm |
| CN205366045U (en) * | 2015-12-23 | 2016-07-06 | 湖南云顶智能科技有限公司 | A collapsible horn for unmanned aerial vehicle |
| CN105539810B (en) * | 2016-02-01 | 2018-04-17 | 深圳市盛禾农业科技有限公司 | A kind of unmanned plane abnormity horn folding device |
| EP3971084A1 (en) * | 2016-02-22 | 2022-03-23 | SZ DJI Technology Co., Ltd. | Aéronef multi-rotor pliable |
| CN206068126U (en) * | 2016-09-20 | 2017-04-05 | 深圳市高巨创新科技开发有限公司 | A kind of aircraft rotating shaft and aircraft |
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2016
- 2016-09-20 CN CN201610835483.6A patent/CN106347623B/en active Active
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|---|---|
| CN106347623A (en) | 2017-01-25 |
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