CN205615707U - Oar ware and unmanned aerial vehicle are decided to screw - Google Patents
Oar ware and unmanned aerial vehicle are decided to screw Download PDFInfo
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- CN205615707U CN205615707U CN201620144212.1U CN201620144212U CN205615707U CN 205615707 U CN205615707 U CN 205615707U CN 201620144212 U CN201620144212 U CN 201620144212U CN 205615707 U CN205615707 U CN 205615707U
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- propeller
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- location mechanism
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Abstract
The utility model belongs to the technical field of unmanned air vehicle technique and specifically relates to relate to oar ware and unmanned aerial vehicle are decided to screw. The utility model provides a screw is decided the oar ware and is included first magnetism positioning mechanism, second magnetism positioning mechanism, rotation portion and fixed part, rotation portion is used for the power output shaft that fixes at the motor, and the fixed part is used for fixing at unmanned aerial vehicle, and fixed part and rotation portion set up relatively, first magnetism positioning mechanism and second magnetism positioning mechanism set up respectively on rotation portion and fixed part, and second magnetism positioning mechanism is used for fixed first magnetism positioning mechanism. Through first magnetism positioning mechanism and second magnetism positioning mechanism interact power, make the braking with higher speed of rotation portion to make screw locking with higher speed, avoid many rotor unmanned aerial vehicle unoperated state under the screw free rotation disturb the condition of air current, or avoid unmanned aerial vehicle descending in -process screw engine off, the inertial rotation of screw leads to paddle collision ground, makes unmanned aerial vehicle receive the damage.
Description
Technical field
This utility model relates to unmanned air vehicle technique field, especially relates to propeller and determines oar device and unmanned plane.
Background technology
Unmanned plane is divided into many rotor wing unmanned aerial vehicles, fixed-wing unmanned plane and VTOL fixed-wing unmanned plane etc..Many rotor wing unmanned aerial vehicles have multiple propeller, are controlled landing and the flight attitude of aircraft by the duty changing each rotor.Fixed-wing unmanned plane leans on the thrust power as aircraft flight forward of propeller generation.VTOL fixed-wing unmanned plane had both been provided with multiple propellers of many gyroplanes and had realized VTOL, installs again promising fixed-wing unmanned plane and provides the power set propeller of flight forward.
The no matter propeller of which kind of function, aircraft operationally, is required for being controlled the duty of self by the duty controlling propeller, and such as, needing when VTOL fixed-wing unmanned plane is in VTOL to close is the aircraft propeller that provides thrust；The propeller of lift is provided for unmanned plane when needing closedown to hang down after VTOL fixed-wing unmanned plane completes takeoff maneuver, opens the propeller that thrust is provided into unmanned plane；Need when fixed-wing unmanned plane landing and sliding to close propeller etc..
The propeller of unmanned plane is divided into collapsible and fixed two kinds.Compared with foldable propeller, the advantages such as it is high that fixed propeller has efficiency, simple in construction, easy process and assemble.
But, fixed propeller there is problems of, when needing to close certain propeller according to the duty of unmanned plane, this propeller being under off working state is owing to inertia rotates or is still within freely rotatable state under wind-force effect, and consequent sinuous flow reduces stability and the flight efficiency of cruising condition unmanned plane；Or propeller is caused damage by blade and the collision of ground generation that unmanned plane is freely rotatable when landing.
Utility model content
The purpose of this utility model is to provide a kind of propeller to determine oar device and unmanned plane, to solve present in prior art after airscrew engine is stopped, blade still keeps freely rotatable state under the effect of rotator inertia and wind-force during cruising or landing, thus upsets air-flow or the technical problem of damage blade.
What this utility model provided includes the first magnetic location mechanism, the second magnetic location mechanism, rotation section and fixed part；Rotation section is for being fixed on the power output shaft of motor, and fixed part is used for being fixed on unmanned plane, and fixed part is oppositely arranged with rotation section；First magnetic location mechanism is arranged on rotation section, and the second magnetic location mechanism is arranged on fixed part, and the second magnetic location mechanism is used for fixing the first magnetic location mechanism, to be fixed on predeterminated position rotation section.
Further, the first magnetic location mechanism and the second magnetic location mechanism are Magnet.
Further, the first magnetic location mechanism includes that the first Magnet and the second Magnet, the second magnetic location mechanism include the 3rd Magnet and the 4th Magnet；First Magnet and the second magnet polarities are reversed, and the 3rd Magnet and the 4th magnet polarities are reversed；First Magnet and the second Magnet are symmetrically disposed about on rotation section with the center of rotation of rotation section, and the 3rd Magnet and the 4th Magnet are correspondingly disposed on fixed part.
Further, first magnetic location mechanism includes two the 5th Magnet and two the 6th Magnet, second magnetic location mechanism includes two the 7th Magnet and two the 8th Magnet, and the 5th Magnet and the 6th magnet polarities are reversed, and the 7th Magnet and the 8th magnet polarities are reversed；Two the 5th Magnet and two the 6th Magnet are distributed on rotation section centered by the center of rotation of rotation section, and are provided with the 6th Magnet between two the 5th Magnet；Two the 7th Magnet and two the 8th Magnet are correspondingly disposed on fixed part, and are provided with the 8th Magnet between two the 7th Magnet.
Further, rotation section and fixed part include the first mounting disc and the second mounting disc respectively；The mounting groove for installing Magnet it is provided with on the face that first mounting disc is relative with the second mounting disc.
Further, rotation section and fixed part respectively further comprise the first end cap and the second end cap, the first end cap and the first mounting disc and connect in order to cover the mounting groove in the first mounting disc, and the second end cap and the second mounting disc connect in order to cover the mounting groove in the second mounting disc.
Further, the first mounting disc and the second mounting disc are provided with two mounting grooves.Further, the first mounting disc and the second mounting disc are provided with four mounting grooves.
This utility model provides a kind of unmanned plane, including fuselage, propeller and propeller motor, also including that above-mentioned propeller determines oar device, fixed part is fixing with propeller motor to be connected, and propeller and rotation section are respectively fixedly disposed at the two ends of the power output shaft of propeller motor.
Further, fuselage is provided with electric motor stand, and propeller motor is arranged on electric motor stand, and fixed part is fixing with electric motor stand to be connected.
The propeller that this utility model provides is determined oar device and is included the first magnetic location mechanism, the second magnetic location mechanism, rotation section and fixed part；Rotation section is for being fixed on the power output shaft of motor, and fixed part is used for being fixed on unmanned plane, and fixed part is oppositely arranged with rotation section；First magnetic location mechanism is arranged on rotation section, and the second magnetic location mechanism is arranged on fixed part, and the second magnetic location mechanism is used for fixing the first magnetic location mechanism, to be fixed on predeterminated position rotation section.By the first magnetic location mechanism and the second magnetic location mechanism interaction force, rotation section is made to accelerate braking, so that propeller accelerates stop, avoid the situation of propeller freely rotatable upset air-flow under many rotor wing unmanned aerial vehicles off working state, or avoid airscrew engine in unmanned plane descent to stop, the inertia of propeller rotates and causes blade to collide ground, makes unmanned plane sustain damage.Extend the service life of propeller and unmanned plane, reduce use cost.
Accompanying drawing explanation
In order to be illustrated more clearly that this utility model detailed description of the invention or technical scheme of the prior art, the accompanying drawing used required in detailed description of the invention or description of the prior art will be briefly described below, apparently, accompanying drawing in describing below is embodiments more of the present utility model, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 determines the structural representation of oar device and unmanned plane for the propeller that this utility model embodiment provides；
Fig. 2 determines the explosive view of oar device for a kind of propeller that this utility model embodiment provides；
Fig. 3 determines the explosive view of oar device for the another kind of propeller that this utility model embodiment provides.
Reference:
1-the first magnetic location mechanism；11-the first Magnet；12-the second Magnet；
13-the 5th Magnet；14-the 6th Magnet；2-the second magnetic location mechanism；
21-the 3rd Magnet；22-the 4th Magnet；23-the 7th Magnet；
24-the 8th Magnet；3-rotation section；31-the first mounting disc；
32-the first end cap；4-fixed part；41-the second mounting disc；
42-the second end cap；5-mounting groove；6-propeller motor；
61-power output shaft；7-electric motor stand.
Detailed description of the invention
Below in conjunction with accompanying drawing, the technical solution of the utility model is clearly and completely described, it is clear that described embodiment is a part of embodiment of this utility model rather than whole embodiments.Based on the embodiment in this utility model, the every other embodiment that those of ordinary skill in the art are obtained under not making creative work premise, broadly fall into the scope of this utility model protection.
In description of the present utility model, it should be noted that, orientation or the position relationship of the instruction such as term " " center ", " on ", D score, "left", "right", " vertically ", " level ", " interior ", " outward " they be based on orientation shown in the drawings or position relationship; be for only for ease of description this utility model and simplifying and describe; rather than instruction or imply the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to restriction of the present utility model.Additionally, term " first ", " second ", " the 3rd " are only used for describing purpose, and it is not intended that instruction or hint relative importance.
In description of the present utility model, it should be noted that unless otherwise clearly defined and limited, term " is installed ", " being connected ", " connection " should be interpreted broadly, and connects for example, it may be fixing, it is also possible to be to removably connect, or be integrally connected；Can be to be mechanically connected, it is also possible to be electrical connection；Can be to be joined directly together, it is also possible to be indirectly connected to by intermediary, can be the connection of two element internals.For the ordinary skill in the art, above-mentioned term concrete meaning in this utility model can be understood with concrete condition.
Fig. 1 determines oar device structural representation for the propeller that this utility model embodiment provides.As it is shown in figure 1, this utility model provide include first the 1, second magnetic location mechanism 2 of magnetic location mechanism, rotation section 3 and fixed part 4；Rotation section 3 is for being fixed on the power output shaft of motor, and fixed part 4 is used for being fixed on unmanned plane, and fixed part 4 is oppositely arranged with rotation section 3；First magnetic location mechanism 1 is arranged on rotation section 3, and the second magnetic location mechanism 2 is arranged on fixed part 4, and the second magnetic location mechanism 2 is used for fixing the first magnetic location mechanism 1, to be fixed on predeterminated position rotation section 3.
Wherein, the version of the first magnetic location mechanism 1 and the second magnetic location mechanism 2 has multiple, such as: the first magnetic location mechanism 1 and the second magnetic location mechanism 2 are Magnet, all comprise the identical and opposite polarity Magnet of polarity, between the first magnetic location mechanism 1 and the second magnetic location mechanism 2, suction and thrust can be produced；First, second magnetic location mechanism is electric magnet, or is the mixing of Magnet and electric magnet.
The version of rotation section 3 and fixed part 4 has multiple, and such as both are shaft-like, correspondingly arrange the first magnetic location mechanism 1 and the second magnetic location mechanism 2 on the body of rod；Both can be also tabular etc.；Both shapes can be square can also be for circular etc..
Propeller and the first magnetic location mechanism 1 are respectively fixedly disposed at the two ends of the power output shaft of propeller motor, after motor quits work, propeller is rotated further under the effect of inertia and wind-force, drive power output shaft rotates, thus drive rotation section 3 to rotate, fixed part 4 is fixing with motor to be connected, and therefore the second magnetic location mechanism 2 maintains static；In the process, the second magnetic location mechanism 2 gives the first magnetic location mechanism 1 suction or thrust, so that rotation section 3 accelerates to stop, so that power output shaft stops operating, and then makes propeller be fixed on default angle position.
By the first magnetic location mechanism 1 and the second magnetic location mechanism 2 interaction force, rotation section 3 is made to accelerate braking, so that propeller accelerates stop, avoid the situation of propeller freely rotatable upset air-flow under many rotor wing unmanned aerial vehicles off working state, or avoid airscrew engine in unmanned plane descent to stop, the inertia of propeller rotates and causes blade to collide ground, makes unmanned plane sustain damage.Extend the service life of propeller and unmanned plane, reduce use cost.
It should be noted that the range of application that the propeller that this utility model provides determines oar device is relatively wide, no matter propeller is arranged on horizontal direction or vertical direction, this propeller all can be used to determine oar device；This propeller is determined oar device and is applicable not only to unmanned plane, it is also possible to apply on helicopter.
It should be noted that the power provided due to active force propeller the to be far smaller than motor between the first magnetic location mechanism 1 and the second magnetic location mechanism 2, therefore this active force does not interferes with the normal work of propeller.It is preferred that arrange certain gap between rotation section 3 and fixed part 4, in the case of not affecting magnetic location mechanism interaction force, reduce the friction between rotation section 3 and fixed part 4, reduce the rotary resistance between part when unmanned plane during flying.
As it is shown in figure 1, on above-described embodiment basis, further, the first magnetic location mechanism 1 and the second magnetic location mechanism 2 are Magnet.
Wherein, the kind of Magnet has a lot, such as: metal alloy Magnet or ferrite permanent-magnet materials etc..
Rotation section 3 and fixed part 4 are respectively provided with Magnet, by the same sex between Magnet repel each other the principle that there is a natural attraction between the sexes reach accelerate braking.It addition, the first magnetic location mechanism 1 and the second magnetic location mechanism 2 can be installed according to the stop position of default propeller blade, after making rotation section 3 stop, it is possible to making propeller blade just stop to predeterminated position.
Using Magnet to make the first magnetic location mechanism 1 and the second magnetic location mechanism 2 simple in construction, easily install, low cost, make this propeller determine oar device overall structure simply, and the kind of Magnet is more, can select according to specifically used situation, practicality is stronger.
Fig. 2 determines the explosive view of oar device for a kind of propeller that this utility model embodiment provides.As in figure 2 it is shown, on above-described embodiment basis, further, the first magnetic location mechanism 1 includes the first Magnet 11 and the second Magnet 12, and the second magnetic location mechanism 2 includes the 3rd Magnet 21 and the 4th Magnet 22；First Magnet 11 and the second Magnet 12 opposite polarity are arranged, and the 3rd Magnet 21 and the 4th Magnet 22 opposite polarity are arranged；First Magnet 11 and the second Magnet 12 are with the center of rotation of rotation section 3 for being symmetrically disposed on rotation section 3, and the 3rd Magnet 21 and the 4th Magnet 22 are correspondingly disposed on fixed part 4.
Wherein, the shapes and sizes of first, second, third and fourth Magnet can be arranged according to the concrete structure of specifically used situation and rotation section 3 and fixed part 4, and such as Magnet is semi-circular shape etc..
The polarity of the 3rd Magnet 21 and the polarity of the 4th Magnet 22 and the first Magnet 11 and the second Magnet 12 is contrary, then, in motor process, the 3rd Magnet 21 can be given and oneself opposite polarity first Magnet 11 suction；And the 4th Magnet 22 is identical with the polarity of the first Magnet 11, then give the first Magnet 11 thrust；Under the common effect of suction and thrust, the first Magnet 11 stops on the position corresponding with the 3rd Magnet 21 more rapidly；This process is the stopped process of the second Magnet 12 equally.Therefore, this structure can make rotation section 3 accelerate braking, so that propeller accelerates stop, it is to avoid upset air-flow or cause damage.
The relative position of blade, the first magnetic location mechanism 1 and the second magnetic location mechanism 2 can be determined according to default blade stop position, thus propeller, rotation section 3 and fixed part 4 are correspondingly installed and fixes, after making propeller stop, blade stops at default position.This structure can realize odd bladed propeller 360 degree braking is determined oar function, and therefore this structure is preferably applied to odd bladed propeller.The preset stopping position of blade can be arranged according to the requirement of user, such as: when blade is three, makes blade stop at the position etc. that blade tip is farthest away from ground.
This structure, is possible not only to improve the retro-speed of propeller, it is also possible to according to the requirement of user, blade accurately stops at predeterminated position, it is to avoid upset air-flow, moreover it is possible to avoid touching ground and being damaged because rotating blade during aircraft stops falling.Further increase unmanned plane cruise or stop the stability fallen, protecting unmanned plane and propeller further.
Fig. 3 determines the explosive view of oar device for the another kind of propeller that this utility model embodiment provides.As shown in Figure 3, on above-described embodiment basis, further, first magnetic location mechanism 1 includes two the 5th Magnet 13 and two the 6th Magnet 14, second magnetic location mechanism 2 includes two the 7th Magnet 23 and two the 8th Magnet 24,5th Magnet 13 and the 6th Magnet 14 opposite polarity are arranged, and the 7th Magnet 23 and the 8th Magnet 24 opposite polarity are arranged；Two the 5th Magnet 13 and two the 6th Magnet 14 are distributed on rotation section 3 centered by the center of rotation of rotation section 3, and are provided with the 6th Magnet 14 between two the 5th Magnet 13；Two the 7th Magnet 23 and two the 8th Magnet 24 are correspondingly disposed on fixed part 4, and are provided with the 8th Magnet 24 between two the 7th Magnet 23.
Wherein, two the 5th Magnet 13 and two the 6th Magnet 14 are on rotation section 3, centered by the center of rotation of rotation section 3, and the central angle between adjacent the 5th Magnet 13 and the 6th Magnet 14 is 90 °, two the 5th Magnet 13 are separately positioned on relative position with two the 6th Magnet 14, i.e. achieving opposite polarity Magnet adjacent, the identical Magnet of polarity is separately.Two the 7th Magnet 23 and two the 8th Magnet 24, according to the 5th Magnet 13 and the position of the 6th Magnet 14, are correspondingly disposed on fixed part 4, and attracting with two the 5th Magnet 13 and two the 6th Magnet 14 respectively.
During propeller off working state is freely rotatable, when the Magnet on rotation section 3 is between 4 two opposite polarity Magnet of fixed part, this Magnet is simultaneously by suction and thrust, thus accelerates to stop at the most attracting magnet positions.
This structure can also be according to default blade stop position, propeller, rotation section 3 and fixed part 4 are correspondingly installed, so that blade eventually stops at default position, it is achieved oar function is determined in dual numbers blade propeller 180 degree braking, therefore, this structure is preferably applied to even bladed propeller.The preset stopping position of blade can be arranged according to the requirement of user, such as: when blade is two panels, when propeller stops operating, two panels blade all stop at on the position of horizontal direction parallel；When blade is four, propeller is made to stop at the position etc. that the blade tip distance ground making to be positioned at the two panels blade of lower section is farthest.
It should be noted that when blade is more, the quantity of Magnet, polarity and installation site etc. can be arranged as the case may be.
As shown in Figure 1, Figure 2 and Figure 3, on above-described embodiment basis, further, rotation section 3 and fixed part 4 include the first mounting disc 31 and the second mounting disc 41 respectively；The mounting groove 5 for installing Magnet it is provided with on the face that first mounting disc 31 is relative with the second mounting disc 41.
Wherein, the material of the first mounting disc 31 and the second mounting disc 41 has multiple, such as: titanium alloy, aluminium alloy or composite etc..
Magnet is fastened in mounting groove 5, simple in construction, easy to operate, reduce part usage quantity, so that this propeller determines the lighter weight of oar device, reduce weight to impact during unmanned plane during flying.
When the first magnetic location mechanism 1 and the second magnetic location mechanism 2 all include two Magnet, the first mounting disc 31 and the second mounting disc 41 are provided with two mounting grooves 5.When the first magnetic location mechanism 1 and the second magnetic location mechanism 2 all include four Magnet, the first mounting disc 31 and the second mounting disc 41 are provided with four mounting grooves 5.
As shown in Figure 1, Figure 2 and Figure 3, on above-described embodiment basis, further, rotation section 3 and fixed part 4 respectively further comprise the first end cap 32 and the second end cap 42, first end cap 32 is connected to cover the mounting groove 5 in the first mounting disc 31 with the first mounting disc 31, and the second end cap 42 is connected to cover the mounting groove 5 in the second mounting disc 41 with the second mounting disc 41.
Wherein, the material of the first end cap 32 and the second end cap 42 has multiple, such as: titanium alloy, aluminium alloy or composite etc..
The connection fixed form of end cap and mounting disc has multiple, such as: clamping, threaded or welding etc..
Use end cap to be covered by mounting groove 5, make Magnet be arranged between end cap and mounting disc, it is to avoid Magnet affects magnetic because of the attachment of external substance, also avoid Magnet simultaneously and had a strong impact on unmanned plane even damaged the situation of unmanned plane by unexpected the coming off of mounting groove 5.
As shown in Figure 1, Figure 2 and Figure 3, on above-described embodiment basis, further, this utility model provides a kind of unmanned plane, including fuselage, propeller and propeller motor 6, also including that above-mentioned propeller determines oar device, fixed part 4 is fixing with propeller motor to be connected, and propeller and rotation section 3 are respectively fixedly disposed at the two ends of the power output shaft 61 of propeller motor 6.Fuselage is provided with electric motor stand 7, and propeller motor 6 is arranged on electric motor stand 7, and fixed part 4 is fixing with electric motor stand 7 to be connected.
Wherein, the propeller that being provided with this utility model provides determines the unmanned plane of oar device, in working order under, have a smooth flight；During landing, the most quickly, it is to avoid the fuselage oblique impact ground or the blade that cause because fuselage rocks touch ground and cause the situations such as damage, reduce use cost.
Last it is noted that various embodiments above is only in order to illustrate the technical solution of the utility model, it is not intended to limit；Although this utility model being described in detail with reference to foregoing embodiments, it will be understood by those within the art that: the technical scheme described in foregoing embodiments still can be modified by it, or the most some or all of technical characteristic is carried out equivalent；And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of this utility model each embodiment technical scheme.
Claims (10)
1. a propeller determines oar device, it is characterised in that including: the first magnetic location mechanism, the second magnetic location mechanism, rotation section and fixed part；
Described rotation section is for being fixed on the power output shaft of motor, and described fixed part is used for being fixed on unmanned plane, and described fixed part is oppositely arranged with described rotation section；Described first magnetic location mechanism is arranged on described rotation section, and described second magnetic location mechanism is arranged on described fixed part, and described second magnetic location mechanism is used for fixing described first magnetic location mechanism, to be fixed on predeterminated position described rotation section.
Propeller the most according to claim 1 determines oar device, it is characterised in that described first magnetic location mechanism and described second magnetic location mechanism are Magnet.
Propeller the most according to claim 2 determines oar device, it is characterised in that described first magnetic location mechanism includes that the first Magnet and the second Magnet, described second magnetic location mechanism include the 3rd Magnet and the 4th Magnet；Described first Magnet and described second magnet polarities are reversed, and described 3rd Magnet and described 4th magnet polarities are reversed；
Described first Magnet and described second Magnet are symmetrically disposed about on described rotation section with the center of rotation of described rotation section, and described 3rd Magnet and described 4th Magnet are correspondingly disposed on fixed part.
Propeller the most according to claim 2 determines oar device, it is characterized in that, described first magnetic location mechanism includes two the 5th Magnet and two the 6th Magnet, second magnetic location mechanism includes two the 7th Magnet and two the 8th Magnet, described 5th Magnet and described 6th magnet polarities are reversed, and described 7th Magnet and described 8th magnet polarities are reversed；
Two described 5th Magnet and two described 6th Magnet are distributed on described rotation section centered by the center of rotation of described rotation section, and are provided with described 6th Magnet between two described 5th Magnet；Two described 7th Magnet and two described 8th Magnet are correspondingly disposed on described fixed part, and are provided with described 8th Magnet between two described 7th Magnet.
Propeller the most according to claim 4 determines oar device, it is characterised in that described rotation section and described fixed part include the first mounting disc and the second mounting disc respectively；The mounting groove for installing described Magnet it is provided with on the face that described first mounting disc is relative with described second mounting disc.
Propeller the most according to claim 5 determines oar device, it is characterized in that, described rotation section and described fixed part respectively further comprise the first end cap and the second end cap, described first end cap is connected to cover the described mounting groove in described first mounting disc with described first mounting disc, and described second end cap is connected to cover the described mounting groove in described second mounting disc with described second mounting disc.
Propeller the most according to claim 5 determines oar device, it is characterised in that described first mounting disc and described second mounting disc are provided with two described mounting grooves.
Propeller the most according to claim 5 determines oar device, it is characterised in that described first mounting disc and described second mounting disc are provided with four described mounting grooves.
9. a unmanned plane, including fuselage, propeller motor and propeller, it is characterized in that, also include that the propeller as described in any one of claim 1-8 determines oar device, described fixed part is fixing with described propeller motor to be connected, and described propeller and described rotation section are respectively fixedly disposed at the two ends of the power output shaft of described propeller motor.
Unmanned plane the most according to claim 9, it is characterised in that described fuselage is provided with electric motor stand, described propeller motor is arranged on described electric motor stand, and described fixed part is fixing with described electric motor stand to be connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620144212.1U CN205615707U (en) | 2016-02-25 | 2016-02-25 | Oar ware and unmanned aerial vehicle are decided to screw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620144212.1U CN205615707U (en) | 2016-02-25 | 2016-02-25 | Oar ware and unmanned aerial vehicle are decided to screw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205615707U true CN205615707U (en) | 2016-10-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620144212.1U Withdrawn - After Issue CN205615707U (en) | 2016-02-25 | 2016-02-25 | Oar ware and unmanned aerial vehicle are decided to screw |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205615707U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105620726A (en) * | 2016-02-25 | 2016-06-01 | 北京迈凯飞工程技术有限公司 | Propeller blade-fixing device and unmanned aerial vehicle |
| CN107839871A (en) * | 2017-11-30 | 2018-03-27 | 歌尔股份有限公司 | Propeller attachment structure and unmanned vehicle |
-
2016
- 2016-02-25 CN CN201620144212.1U patent/CN205615707U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105620726A (en) * | 2016-02-25 | 2016-06-01 | 北京迈凯飞工程技术有限公司 | Propeller blade-fixing device and unmanned aerial vehicle |
| CN107839871A (en) * | 2017-11-30 | 2018-03-27 | 歌尔股份有限公司 | Propeller attachment structure and unmanned vehicle |
| CN107839871B (en) * | 2017-11-30 | 2023-11-17 | 歌尔股份有限公司 | Propeller connection structure and unmanned vehicles |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20161005 Effective date of abandoning: 20171219 |
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| AV01 | Patent right actively abandoned |