CN106184705A - A kind of folding and self-locking apparatus, horn and gyroplane - Google Patents
A kind of folding and self-locking apparatus, horn and gyroplane Download PDFInfo
- Publication number
- CN106184705A CN106184705A CN201610680980.3A CN201610680980A CN106184705A CN 106184705 A CN106184705 A CN 106184705A CN 201610680980 A CN201610680980 A CN 201610680980A CN 106184705 A CN106184705 A CN 106184705A
- Authority
- CN
- China
- Prior art keywords
- clamping plate
- folding
- self
- locking apparatus
- rotating shaft
- 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
- B64C1/30—Parts of fuselage relatively movable to reduce overall dimensions of aircraft
-
- 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 invention discloses a kind of folding and self-locking apparatus, horn and gyroplane, belong to fold mechanism technical field, wherein folding and self-locking apparatus includes: the outer loop bar of the first material, the connection that stretches out of its end has the first clamping plate and the second clamping plate, first clamping plate and the second clamping plate are parallel to each other, the end of the first clamping plate and the second clamping plate is respectively provided with the first through hole passed for rotating shaft, and the medial surface of the first clamping plate and the second clamping plate is respectively provided with groove；The interpolation pole of the second material, part interpolation pole is placed between the first clamping plate and the second clamping plate, the middle part of interpolation pole has the second through hole passed for rotating shaft, and the lateral surface contacted with the first clamping plate and the second clamping plate of interpolation pole is respectively provided with the projection with groove match；Rotating shaft, is placed in the first through hole and the second through hole, is used for connecting outer loop bar and interpolation pole.The present invention has advantage collapsible, that length in service life, flight stability are high.
Description
Technical field
The present invention relates to fold mechanism technical field, be specifically related to a kind of folding and self-locking apparatus, horn and gyroplane.
Background technology
Along with developing rapidly of unmanned plane industry, unmanned plane will enter the daily life of ordinary consumer, work, entertains
In.And conventional four rotor wing unmanned aerial vehicles are all fixed horns, small product size is relatively big, take up space, the thinnest and sharp leaf
Sheet cannot be received, and easily human body is produced injury and makes us producing fear, thus affects propagation and the popularization of product.
Therefore, propagate to make unmanned plane be more easy to and promote, needing to design beyond the unmanned plane that a kind of profile fashion is attractive in appearance,
Also need unmanned plane to have powerful and volume is little, easily contained etc. advantage.
Such as, folding four rotor wing unmanned aerial vehicles of a kind of horn in the market, its horn passes through folding and self-locking apparatus
Can be folded, general this folding and self-locking apparatus includes the first assembly and the second assembly being attached thereto by rotating shaft, first
Assembly and the second assembly all use commaterial to make.When unmanned plane during flying, folding and self-locking apparatus carries out self-locking, fixes
Horn.When unmanned plane leaves unused, rotating shaft can be allowed to rotate, thus allow horn turn to side to place.At this folding and self-locking apparatus
In, owing to the first assembly and the second assembly all use commaterial, during rotation, frictional force between the two is bigger, it is impossible to shares and turning
Stress at axle, stress is concentrated mainly at rotating shaft, and when horn is by impacting energetically, rotating shaft is highly prone to destroy, and folds certainly
The service life of locking device is shorter.
Summary of the invention
Therefore, the embodiment of the present invention to solve the technical problem that and to be folding and self-locking apparatus of the prior art service life
Short.
To this end, a kind of folding and self-locking apparatus of the embodiment of the present invention, including:
The outer loop bar of the first material, the connection that stretches out of its end has the first clamping plate and the second clamping plate, the first clamping plate and the second folder
Plate is parallel to each other, and the end of the first clamping plate and the second clamping plate is respectively provided with the first through hole passed for rotating shaft, the first clamping plate and
It is respectively provided with groove on the medial surface of the second clamping plate；
The interpolation pole of the second material, part interpolation pole is placed between the first clamping plate and the second clamping plate, and the middle part of interpolation pole has confession
The second through hole that rotating shaft passes, the lateral surface contacted with the first clamping plate and the second clamping plate of interpolation pole is respectively provided with recessed
The projection that groove matches；
Rotating shaft, is placed in the first through hole and the second through hole, is used for connecting outer loop bar and interpolation pole.
Preferably, described first material uses nonmetallic materials, described second material to use metal material.
Preferably, described metal material is aluminum, copper or ferrum, and described nonmetallic materials are nylon, rubber or pottery.
Preferably, the medial surface of described first clamping plate and/or the second clamping plate having resistant layer, resistant layer is positioned at first and passes through
Between through hole and groove, it is used for increasing frictional force.
Preferably, described resistant layer includes:
Basal layer, is connected with the medial surface of the first clamping plate or the second clamping plate；
Nanometer acanthosphere layer, is laid on basal layer, and including the acanthosphere uniformly arranged, acanthosphere is covered with on the surface of air contact
Nanometer fine hair.
Preferably, described resistant layer includes:
Air bag layer, is connected with the medial surface of the first clamping plate or the second clamping plate, and the surface of air bag layer and air contact has can quilt
The shell fragment that gas blows afloat.
Preferably, the end of described outer loop bar further extend outward connection limited location baffle plate, the two ends of postive stop baffle respectively with
First clamping plate and the second clamping plate connect.
Preferably, described interpolation pole has multiple hole.
A kind of horn of the embodiment of the present invention, including the first horn, the second horn and above-mentioned folding and self-locking apparatus；
Described first horn is connected by folding and self-locking apparatus and the second horn.
A kind of gyroplane of the embodiment of the present invention, including above-mentioned folding and self-locking apparatus.
The technical scheme of the embodiment of the present invention, has the advantage that
1. the folding and self-locking apparatus that the embodiment of the present invention provides, by arranging outer loop bar and the interpolation of the second material of the first material
Bar, during locking, the projection on interpolation pole snaps in the groove of outer loop bar, and when horn is by impacting energetically, stress is dispersed to
At protruding junction with groove and rotating shaft, disperseed being originally concentrated mainly on the power at rotating shaft, thus reduced
The power that is hit of rotating shaft, rotating shaft is difficult to be destroyed, and extends the service life of folding and self-locking apparatus.During rotation, due to outer loop bar
It is respectively adopted different materials with interpolation pole, compared to using identical material, frictional force can have been reduced between different materials, from
And power suffered by rotating shaft when reducing rotation, avoid rotating shaft to be worn, destroy further, and then extend making of folding and self-locking apparatus
Use the life-span.
2. the folding and self-locking apparatus that the embodiment of the present invention provides, by arranging resistant layer, when folding and self-locking apparatus locks,
By the effect of resistant layer, it is possible to auxiliary increases being subject between first, second clamping plate medial surface and interpolation pole lateral surface further
Power area, has disperseed the power suffered by rotating shaft further, thus has avoided rotating shaft to be worn, destroy further, and then extends folding
The service life of folded self-locking device.
Accompanying drawing explanation
For the technical scheme being illustrated more clearly that in the specific embodiment of the invention, detailed description of the invention will be retouched below
In stating, the required accompanying drawing used is briefly described, it should be apparent that, the accompanying drawing in describing below is some realities of the present invention
Execute mode, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to attached according to these
Figure obtains other accompanying drawing.
Fig. 1 is the structural representation of a concrete example of folding and self-locking apparatus in the embodiment of the present invention 1；
Fig. 2 is the structural representation of a concrete example of the embodiment of the present invention 1 China and foreign countries loop bar；
Fig. 3 is the structural representation of a concrete example of interpolation pole in the embodiment of the present invention 1；
Fig. 4 is the sectional view of a concrete example of the embodiment of the present invention 1 China and foreign countries loop bar；
Fig. 5 is the structural representation of a concrete example of resistant layer in the embodiment of the present invention 1；
Fig. 6 is the structural representation of another concrete example of resistant layer in the embodiment of the present invention 1；
Fig. 7 is the structural representation of another concrete example of the embodiment of the present invention 1 China and foreign countries loop bar.
The outer loop bar of reference: 10-, 11-the first clamping plate, 111-resistant layer, 1111-basal layer, 1112-nanometer acanthosphere
Layer, 1113-air bag layer, 12-the second clamping plate, 13-the first through hole, 14-groove, 15-postive stop baffle, 20-interpolation pole, 21-the
Two through holes, 22-is protruding, 30-rotating shaft, a-acanthosphere, b-nanometer fine hair, c-shell fragment.
Detailed description of the invention
Below in conjunction with accompanying drawing, technical scheme is clearly and completely described, it is clear that described enforcement
Example is a part of embodiment of the present invention rather than whole embodiments.Based on the embodiment in the present invention, ordinary skill
The every other embodiment that personnel are obtained under not making creative work premise, broadly falls into the scope of protection of the invention.
In describing the invention, it should be noted that term " on ", D score, "left", "right", " interior ", the instruction such as " outward "
Orientation or position relationship be based on orientation shown in the drawings or position relationship, be for only for ease of description the present invention and simplification retouch
State rather than indicate or imply the device of indication or element must have specific orientation, with specific azimuth configuration and operation,
Therefore it is not considered as limiting the invention.Additionally, term " first ", " second " etc. are only used for describing purpose, and can not manage
Solve as instruction or hint relative importance.
In describing the invention, it should be noted that unless otherwise clearly defined and limited, term " is installed ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be fixing connection, it is also possible to be to removably connect, or be integrally connected；Can
Being to be joined directly together, it is also possible to be indirectly connected to by intermediary, it is also possible to be the connection of two element internals.For this area
Those of ordinary skill for, can with concrete condition understand above-mentioned term concrete meaning in the present invention.
If additionally, the most non-structure of technical characteristic involved in invention described below difference embodiment
Become conflict just can be combined with each other.
Embodiment 1
The present embodiment provides a kind of folding and self-locking apparatus, is particularly well-suited to the horn at gyroplane (such as four rotor wing unmanned aerial vehicles etc.)
On use as attachment means, as it is shown in figure 1, include: outer loop bar 10, interpolation pole 20 and rotating shaft 30.
Shown in Fig. 2, outer loop bar 10 uses the first material to be made, and the connection that stretches out of the end of outer loop bar 10 has
First clamping plate 11 and the second clamping plate 12, the first clamping plate 11 and the second clamping plate 12 are parallel to each other, the first clamping plate 11 and the second clamping plate 12
End be respectively provided with the first through hole 13 passed for rotating shaft 30, on the medial surface of the first clamping plate 11 and the second clamping plate 12 respectively
There is groove 14.First clamping plate 11 and the second clamping plate 12 can be being to be produced on outer loop bar 10 by integrated mode.Outward
Loop bar 10 can be the cuboid structure of hollow.
Shown in Fig. 3, interpolation pole 20 uses the second material to be made, and part interpolation pole 20 is placed in the first clamping plate 11 He
Between second clamping plate 12, the middle part of interpolation pole 20 has the second through hole 21 passed for rotating shaft 30, interpolation pole 20 and first
Being respectively provided with the projection 22 matched with groove 14 with the second clamping plate 12 on the lateral surface that clamping plate 11 contact, protruding 22 just can
It is placed in groove 14, and there is sufficiently large frictional force so that outer loop bar 10 and interpolation pole 20 cannot under the load that can bear
Relatively rotate.Interpolation pole 20 can be the cuboid structure of hollow, can be part symmetrical above and below, that left and right is also symmetrical.In
It is extended with 8 legs on inserted link 20, by these 8 legs, interpolation pole 20 can be fixed on miscellaneous part (such as fuselage with screw
Deng) on.Such as projection 22 is along a length of 2-4mm of lateral surface bearing of trend, is optimal with 3mm.
Rotating shaft 30 is placed in the first through hole 13 and the second through hole 21, is used for connecting outer loop bar 10 and interpolation pole 20.Turn
Axle 30 can use steel axle.
During folding and self-locking apparatus locking, rotating jacket bar 10 or interpolation pole 20, produce between outer loop bar 10 and interpolation pole 20
Deformation, the projection 22 on interpolation pole 20 snaps in the groove 14 of outer loop bar 10, and when horn is by impacting energetically, stress is disperseed
At the protruding junction with groove and rotating shaft, disperseed being originally concentrated mainly on the power at rotating shaft, thus reduced
The power that is hit of rotating shaft, rotating shaft is difficult to be destroyed, extend the service life of folding and self-locking apparatus.
When folding and self-locking apparatus rotates, owing to outer loop bar and interpolation pole have been respectively adopted different materials, compared to employing
Identical material, frictional force can be reduced between different materials, thus power suffered by rotating shaft when reducing rotation, avoid rotating shaft further
It is worn, destroys, and then extend the service life of folding and self-locking apparatus.
Preferably, the first material can use nonmetallic materials, the second material can use metal material.Such as, metal
Material is aluminum, copper, ferrum etc., and nonmetallic materials are nylon, rubber, pottery etc..As a kind of optimum embodiment, the first material selection
Nylon, the second material selection aluminum.Frictional force between nylon and aluminum both materials is less, and if the first material and the second material
Material all uses aluminum, and between aluminum and aluminum, frictional force is relatively big, and the comparison thus blocked is tight, can increase the stress of rotating shaft, and if first
It is the most fragile that material and the second material all use nylon, nylon and nylon to coordinate, insufficient strength.
Preferably, as shown in Figure 4, the medial surface of the first clamping plate 11 and the second clamping plate 12 is respectively provided with resistant layer 111, resistance
Layer 111, between the first through hole 13 and groove 14, is used for increasing frictional force.Such as, between the first through hole and groove
Distance is 12-18mm, is optimal with 15mm.When folding and self-locking apparatus locks, by the effect of resistant layer 111, it is possible to auxiliary
Increase the lifting surface area between first, second clamping plate medial surface and interpolation pole lateral surface further, disperseed further at rotating shaft
Suffered power, thus avoid rotating shaft to be worn, destroy further, and then extend the service life of folding and self-locking apparatus.
As a kind of optimal way of resistant layer, as it is shown in figure 5, resistant layer 111 includes basal layer 1111 and nanometer acanthosphere
Layer 1112.Basal layer 1111 is connected with the medial surface of the first clamping plate 11 or the second clamping plate 12；Nanometer acanthosphere layer 1112 is laid in base
On bottom 1111, it is covered with nanometer fine hair b including on the acanthosphere a uniformly arranged, the acanthosphere a surface with air contact.Work as locking
Time, these tiny nanometer fine hair b can be fully contacted with the lateral surface of interpolation pole, forms powerful absorption affinity, makes nanometer acanthosphere
Between layer 1112 and the lateral surface of interpolation pole, there is the most powerful frictional force, add stability during flight, when by big
During power impact, the power suffered by rotating shaft can be greatly reduced, reduce the damage of rotating shaft, extend the service life of folding and self-locking apparatus.
As the another kind of optimal way of resistant layer, as shown in Figure 6, resistant layer 111 includes air bag layer 1113.Air bag layer
1113 are connected with the medial surface of the first clamping plate 11 or the second clamping plate 12, and the surface of air bag layer 1113 and air contact has can quilt
The shell fragment c that gas blows afloat.Shell fragment can use the material that the coefficient of frictions such as rubber are high to be made.When folding and self-locking apparatus locks
Time, to insufflation gas in air bag layer 1113, make the naturalness (horizontal positioned) when air bag layer 1113 does not has insufflation gas originally
Shell fragment c by gas blow to obtain tilt, the shell fragment c of tilting is fully contacted with the lateral surface of interpolation pole, adds frictional force, add
Stability during flight, when by impacting energetically, can be greatly reduced the power suffered by rotating shaft, reduce the damage of rotating shaft, extend
The service life of folding and self-locking apparatus.
It will be understood by those of skill in the art that resistant layer is not limited to the optimal way of above two, other can increase
The structure adding the frictional force between first, second clamping plate medial surface and interpolation pole lateral surface is all possible.
Preferably, as it is shown in fig. 7, the end of outer loop bar 10 further extends outward connection limited location baffle plate 15, postive stop baffle 15
Two ends be connected with the first clamping plate 11 and the second clamping plate 12 respectively.When interpolation pole 20 rotates into the first clamping plate 11 and the second clamping plate 12
Between time, postive stop baffle 15 can stop interpolation pole 20 to rotate excessively and affect the locking of folding and self-locking apparatus, make interpolation pole 20
It is placed in by the first clamping plate 11, postive stop baffle 15 and the second clamping plate 12 area defined.
Preferably, interpolation pole 20 can also offer multiple hole, such that it is able to alleviate construction weight, save material, fall
Low cost.
Embodiment 2
The present embodiment provides a kind of horn, including the first horn, the second horn and the folding and self-locking apparatus of embodiment 1；
First horn is connected by folding and self-locking apparatus and the second horn.
Above-mentioned horn, by using folding and self-locking apparatus, during locking, the projection on interpolation pole snaps in the groove of outer loop bar
In, when horn is by impacting energetically, stress is dispersed to, at the protruding junction with groove and rotating shaft, will mainly collect
In power at rotating shaft disperseed, thus reduce the power that is hit of rotating shaft, rotating shaft is difficult to be destroyed, extends horn
Service life.During rotation, owing to outer loop bar and interpolation pole have been respectively adopted different materials, compared to using identical material,
Frictional force can be reduced between different materials, thus power suffered by rotating shaft when reducing rotation, avoid rotating shaft to be worn further, broken
Bad, and then extend the service life of horn.
Embodiment 3
The present embodiment provides a kind of gyroplane, and particularly four rotors, six rotor wing unmanned aerial vehicles, including the folding and self-locking of embodiment 1
Device, horn is attached by this folding and self-locking apparatus.
Above-mentioned gyroplane, by using folding and self-locking apparatus, during locking, the projection on interpolation pole snaps in the recessed of outer loop bar
In groove, when horn is by impacting energetically, stress is dispersed at the protruding junction with groove and rotating shaft, will be main
The power at rotating shaft that concentrates on is disperseed, thus reduces the power that is hit of rotating shaft, and rotating shaft is difficult to be destroyed, extends rotor
The service life of aircraft.During rotation, owing to outer loop bar and interpolation pole have been respectively adopted different materials, compared to using identical material
Material, frictional force can be reduced between different materials, thus power suffered by rotating shaft when reducing rotation, avoid rotating shaft to be ground further
Damage, destroy, and then extend the service life of gyroplane.
Obviously, above-described embodiment is only for clearly demonstrating example, and not restriction to embodiment.Right
For those of ordinary skill in the field, can also make on the basis of the above description other multi-form change or
Variation.Here without also cannot all of embodiment be given exhaustive.And the obvious change thus extended out or
Change among still in the protection domain of the invention.
Claims (10)
1. a folding and self-locking apparatus, it is characterised in that including:
The outer loop bar (10) of the first material, the connection that stretches out of its end has the first clamping plate (11) and the second clamping plate (12), and first
Clamping plate (11) and the second clamping plate (12) are parallel to each other, and the end of the first clamping plate (11) and the second clamping plate (12) is respectively provided with for rotating shaft
(30) the first through hole (13) passed, the medial surface of the first clamping plate (11) and the second clamping plate (12) is respectively provided with groove
(14)；
The interpolation pole (20) of the second material, part interpolation pole (20) is placed between the first clamping plate (11) and the second clamping plate (12), interior
The middle part of inserted link (20) has for rotating shaft (30) the second through hole (21) of passing, interpolation pole (20) and the first clamping plate (11)
The projection (22) matched with groove (14) it is respectively provided with on the lateral surface contacted with the second clamping plate (12)；
Rotating shaft (30), is placed in the first through hole (13) and the second through hole (21), is used for connecting outer loop bar (10) and interpolation pole
(20).
Folding and self-locking apparatus the most according to claim 1, it is characterised in that described first material uses nonmetallic materials,
Described second material uses metal material.
Folding and self-locking apparatus the most according to claim 2, it is characterised in that described metal material is aluminum, copper or ferrum, described
Nonmetallic materials are nylon, rubber or pottery.
4. according to the folding and self-locking apparatus described in any one of claim 1-3, it is characterised in that described first clamping plate (11) and/
Or second clamping plate (12) medial surface on there is resistant layer (111), resistant layer (111) is positioned at the first through hole (13) and groove
(14), between, it is used for increasing frictional force.
Folding and self-locking apparatus the most according to claim 4, it is characterised in that described resistant layer (111) including:
Basal layer (1111), is connected with the medial surface of the first clamping plate (11) or the second clamping plate (12)；
Nanometer acanthosphere layer (1112), is laid on basal layer (1111), including the acanthosphere uniformly arranged, acanthosphere and air contact
Nanometer fine hair it has been covered with on surface.
Folding and self-locking apparatus the most according to claim 4, it is characterised in that described resistant layer (111) including:
Air bag layer (1113), is connected with the medial surface of the first clamping plate (11) or the second clamping plate (12), air bag layer (1113) and air
On the surface of contact, there is the shell fragment that can be blown afloat by gas.
7. according to the folding and self-locking apparatus described in any one of claim 1-6, it is characterised in that the end of described outer loop bar (10)
Further extend outward connection limited location baffle plate (15), the two ends of postive stop baffle (15) respectively with the first clamping plate (11) and the second clamping plate
(12) connect.
8. according to the folding and self-locking apparatus described in any one of claim 1-7, it is characterised in that described interpolation pole has on (20)
Multiple holes.
9. a horn, it is characterised in that include the first horn, the second horn and the folding described in any one of claim 1-8
Self-locking device；
Described first horn is connected by folding and self-locking apparatus and the second horn.
10. a gyroplane, it is characterised in that include the folding and self-locking apparatus described in any one of claim 1-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610680980.3A CN106184705A (en) | 2016-08-18 | 2016-08-18 | A kind of folding and self-locking apparatus, horn and gyroplane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610680980.3A CN106184705A (en) | 2016-08-18 | 2016-08-18 | A kind of folding and self-locking apparatus, horn and gyroplane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106184705A true CN106184705A (en) | 2016-12-07 |
Family
ID=57522589
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610680980.3A Pending CN106184705A (en) | 2016-08-18 | 2016-08-18 | A kind of folding and self-locking apparatus, horn and gyroplane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106184705A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110481755A (en) * | 2019-07-12 | 2019-11-22 | 广东工业大学 | A kind of two degrees of freedom rotary folding unmanned plane horn |
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| CN205168865U (en) * | 2015-07-30 | 2016-04-20 | 深圳飞马机器人科技有限公司 | Unmanned aerial vehicle folds arm |
| CN205311893U (en) * | 2015-10-27 | 2016-06-15 | 杭州海康威视数字技术股份有限公司 | Unmanned aerial vehicle and folding bracket mechanism |
| CN206012940U (en) * | 2016-08-18 | 2017-03-15 | 北京耐威智能科技有限公司 | A kind of folding and self-locking apparatus, horn and gyroplane |
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- 2016-08-18 CN CN201610680980.3A patent/CN106184705A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101592174A (en) * | 2009-06-30 | 2009-12-02 | 航天东方红卫星有限公司 | A kind of automatic locked folding rod piece connector |
| CN205168865U (en) * | 2015-07-30 | 2016-04-20 | 深圳飞马机器人科技有限公司 | Unmanned aerial vehicle folds arm |
| CN205022844U (en) * | 2015-09-30 | 2016-02-10 | 湖南云顶智能科技有限公司 | Unmanned aerial vehicle horn folding mechanism and unmanned aerial vehicle |
| CN205311893U (en) * | 2015-10-27 | 2016-06-15 | 杭州海康威视数字技术股份有限公司 | Unmanned aerial vehicle and folding bracket mechanism |
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|---|---|---|---|---|
| CN110481755A (en) * | 2019-07-12 | 2019-11-22 | 广东工业大学 | A kind of two degrees of freedom rotary folding unmanned plane horn |
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Effective date of registration: 20170217 Address after: 100038 Fuxing Road, Beijing, Haidian District No. Applicant after: China Institute of water resources and Hydropower Research Address before: 100072 Beijing city Fengtai District yuegezhuang yoentri hospital building 7, room 2201 Applicant before: Beijing Nova Intelligent Technology Co Ltd |
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| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20161207 |