CN204822076U - Unmanned aerial vehicle rotor fender bracket and unmanned aerial vehicle - Google Patents
Unmanned aerial vehicle rotor fender bracket and unmanned aerial vehicle Download PDFInfo
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- CN204822076U CN204822076U CN201520550192.3U CN201520550192U CN204822076U CN 204822076 U CN204822076 U CN 204822076U CN 201520550192 U CN201520550192 U CN 201520550192U CN 204822076 U CN204822076 U CN 204822076U
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- fender bracket
- unmanned plane
- horn
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- aerial vehicle
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Abstract
The utility model relates to an unmanned aerial vehicle designs technical field, concretely relates to unmanned aerial vehicle rotor fender bracket and unmanned aerial vehicle to it leads to increase of unmanned aerial vehicle volume and the trouble problem of dismouting to solve present rotor fender bracket. The utility model discloses an unmanned aerial vehicle rotor fender bracket includes the fender bracket body, and detachably sets up the one end tip of keeping away from the unmanned aerial vehicle body on the unmanned aerial vehicle horn, and the tip is provided with the screw, the surface of the rotation axis perpendicular to fender bracket body of screw, and the fender bracket body can avoid the unmanned aerial vehicle screw in flight in -process and human any contact completely, ensures the personal safety, simultaneously, can make unmanned aerial vehicle when meeting with not equidirectional striking, bear and through the certain energy of elastic deformation absorption, reduce the striking destructiveness, further improve the security performance height, in addition, install, dismantle and accomodate and carry more conveniently, can expand fast during the use, reach the state of flight rapidly.
Description
Technical field
The utility model relates to unmanned aerial vehicle design technical field, is specifically related to a kind of unmanned plane rotor fender bracket and unmanned plane.
Background technology
Robot airplane is called for short " unmanned plane ", is the not manned aircraft utilizing radio robot to handle with the process controller provided for oneself.Unmanned plane can be divided into the multiple classification such as fixed-wing, rotor, the umbrella wing, flapping wing according to flying method.Along with wireless technology, control technology and mechanical part development and maturation, unmanned plane can carry multiple load and complete various complex task, as air observation and shooting, parcel and the delivery etc. of goods.As the simplest and intuitively stability contorting structure four rotor consumer level unmanned plane show one's promises gradually at electronic consumer markets.
Along with the reduction of price door, the figure of unmanned plane can be seen in more occasion, and the crowd controlling aircraft is also no longer only limitted to professional player.In this case, the safety problem of unmanned plane seems particularly important.Consider that rotor is in the danger of high-speed flight to the shock of the danger of personal safety and aircraft self, is necessary to take corresponding rotor operator guards.Particularly the market management of association area is perfect not, and within the scope of popular daily routines, the danger coefficient that unmanned plane falling from high altitude and high-speed impact damage is comparatively large, must design corresponding protective device and reduce this danger as much as possible.
Existing rotor fender bracket structure can be divided into two kinds of forms, one be with frame or other airframe components as one, do not need to install, the rotor fender bracket that cannot dismantle; Another kind installs before flight, but thisly usually need the multiple screw of dismounting.There is obvious weak point in these two kinds of fender brackets: the former causes unmanned plane volume to increase, and is not easy to carry and deposit; The latter's dismounting bothers, and has a strong impact on convenience and the reliability of user's use.
Summary of the invention
An object of the present utility model is to provide a kind of unmanned plane rotor fender bracket and unmanned plane, causes unmanned plane volume to increase and the troublesome problem of dismounting to solve current rotor fender bracket.
Another object of the present utility model is to provide a kind of unmanned plane, to solve the larger problem of current unmanned plane volume.
The technical solution of the utility model is:
A kind of unmanned plane rotor fender bracket, comprising:
Fender bracket body; be removably disposed in the end, one end away from unmanned plane body on unmanned plane horn; described end is provided with screw propeller, and the rotation axis of described screw propeller is perpendicular to the surface of described fender bracket body, and described fender bracket body is used for protecting described screw propeller when rotating.
Alternatively, described fender bracket body comprises:
Fan-shaped fender bracket, is positioned at bottom described screw propeller, and the rotation axis of described screw propeller is through the center of circle of described fan-shaped fender bracket, and in addition, the radius of described fan-shaped fender bracket is more than or equal to the radius of described screw propeller.
Alternatively, described fan-shaped fender bracket comprises:
Support body, be made up of bow and at least two side chains arranged along radial direction, one end end winding support of described side chain is connected on the body of rod of described bow;
Collet, the other end end winding support of described side chain is connected on described collet, and described collet is removably disposed in bottom one end with described screw propeller of described horn.
Alternatively, described side chain is three, and wherein the end of two is connected to the end of described bow respectively, and the 3rd is positioned at centre, and end, one end is connected on the described bow body of rod.
Alternatively, the centre portion of described collet is the untight cylindrical shape of anchor ring, the dead in line of its axis and described screw propeller, and the non-closed end port of the collet of described cylindrical shape is towards described horn;
The non-closed end port of the collet of described cylindrical shape is also provided with the installation portion of an approximate U-shaped, the bottom surface of described installation portion and the axes normal of described screw propeller, and described installation portion is connected to the non-closed end port of the collet of described cylindrical shape by two mounting edges of its open end, the container cavity that one end bottom shape with described screw propeller of common formation and described horn matches, the end engaging of described horn is arranged in described container cavity.
Alternatively, described unmanned plane rotor fender bracket also comprises:
Hasp, in being inverted U-shaped, after adopting the U-shaped open end form relative with U-shaped open end to engage with described installation portion, the shape formed and the mating shapes of described horn being positioned at this position, a mounting edge of the open end of described hasp is set side by side with two the first journal stirrups, form the first groove between two described first journal stirrups, another mounting edge of the open end of described hasp is provided with the first projection;
A mounting edge of the open end of described installation portion is fixedly installed second journal stirrup, and described second journal stirrup is hinged in described first groove by straight pin, and the axis direction of described straight pin is consistent with the length direction of described horn;
Plectrum, one end is hinged on another mounting edge of the open end of described installation portion, its pivot center is perpendicular to another mounting edge described, the other end of described plectrum has the buckle matched with the first projection of described hasp, after described hasp engages with described installation portion, by described plectrum, described hasp is fixed.
Alternatively, another mounting edge described of the open end of described installation portion is provided with one with the first boss of counterbore, counterbore internal fixtion is provided with nut;
The side towards described first boss of one end of described plectrum, is provided with the second boss matched with the counterbore of described first boss;
The side of described dorsad first boss of one end of described plectrum is provided with countersunk head through hole, and screw is connected with the nut in described counterbore after running through described countersunk head through hole and described second boss.
Alternatively, after described hasp is fixing by described plectrum, the buckle of described plectrum is positioned at the first convex top of described hasp;
The top of described first projection is provided with the second groove, and the bottom of described buckle is provided with second of described second groove match protruding.
Alternatively, described collet offers many spacing columns, the multiple threaded mounting holes bottom described spacing column and described horn match.
Alternatively, the bottom surface of described installation portion evenly offers multiple lightening hole.
Alternatively, described plectrum evenly offers many bone lines and multiple lightening grooves.
Alternatively, the inverted U-shape opening of described hasp is arranged to paste groove, for arranging flexible protective material at described hasp and described horn contact position place.
Alternatively, described flexible protective material is foam sheet.
The utility model additionally provides a kind of unmanned plane, comprises the screw propeller of body, horn and horn end, each horn has the end, one end of screw propeller, be provided with the unmanned plane rotor fender bracket described in above-mentioned any one.
Alternatively, described horn comprises four, is distributed in unmanned plane body four angles.
The beneficial effects of the utility model:
Unmanned plane rotor fender bracket of the present utility model and unmanned plane, be removably disposed in the end, one end unmanned plane horn with screw propeller, unmanned plane screw propeller can be avoided completely to contact with any of human body in flight course, guarantee personal safety; Meanwhile, unmanned plane can be made when meeting with different directions and clashing into, bear and absorb certain energy by elastic deformation, reducing impact damage, improve safety performance further high; In addition, unmanned plane rotor fender bracket of the present utility model can Fast Installation and dismounting, and convenient for collecting carries, can rapid deployment during use, reaches state of flight rapidly.
Accompanying drawing explanation
Fig. 1 is the using state schematic diagram of the utility model unmanned plane rotor fender bracket;
Fig. 2 is the structural representation of the utility model unmanned plane rotor fender bracket;
Fig. 3 is the structural representation after the utility model unmanned plane rotor fender bracket removes hasp and plectrum;
Fig. 4 is the structural representation of hasp in the utility model unmanned plane rotor fender bracket;
Fig. 5 is the structural representation of plectrum in the utility model unmanned plane rotor fender bracket.
Detailed description of the invention
Here will be described exemplary embodiment in detail, its sample table shows in the accompanying drawings.When description below relates to accompanying drawing, unless otherwise indicated, the same numbers in different accompanying drawing represents same or analogous key element.
As shown in Figure 1 and Figure 5, a kind of unmanned plane rotor fender bracket that the utility model provides, comprises fender bracket body.Fender bracket body is removably disposed in the end, one end away from unmanned plane body on unmanned plane horn 4; this end is provided with screw propeller 5 (being rotor again); the rotation axis of screw propeller 5 is perpendicular to the surface of fender bracket body, and fender bracket body is used for protecting the screw propeller 5 when rotating.It should be noted that, fender bracket body can adopt multiple applicable planform, circular, fan-shaped etc., in addition, fender bracket body also can adopt multiple applicable mode and horn 4 to removably connect.
Unmanned plane rotor fender bracket of the present utility model, can avoid unmanned plane screw propeller to contact with any of human body in flight course completely, guarantee personal safety; Meanwhile, unmanned plane can be made when meeting with different directions and clashing into, bear and absorb certain energy by elastic deformation, reducing impact damage, improve safety performance further high; In addition, detouchable connection mode makes unmanned plane rotor fender bracket of the present utility model can Fast Installation and dismounting, and convenient for collecting carries, can rapid deployment during use, reaches state of flight rapidly.
Fender bracket body of the present utility model comprises fan-shaped fender bracket 1; be positioned at bottom screw propeller 5; and the rotation axis of screw propeller 5 is through the center of circle of fan-shaped fender bracket 1; in addition; the radius of fan-shaped fender bracket 1 is more than or equal to the radius of screw propeller 5, and fan-shaped fender bracket 1 fits in shell on the downside of horn 4 head in the mode of half parcel.
Further; fan-shaped fender bracket is divided equally by the axis of horn 4 length direction; and; the angle of fan-shaped fender bracket mainly carries out the selection be applicable to according to the angle between each horn 4; do not affecting under the normal state run of each screw propeller 5; can ensure that again unmanned plane is when flying, all can not be touched from blade during the collision unmanned plane of any one direction of horizontal direction.
Further, fan-shaped fender bracket 1 comprises support body 11 and collet 12.
Support body 11 is made up of a bow 111 and at least two side chains 112 arranged along radial direction, and the cross section of bow 111 is the rectangular shaped in opening inside (to horn 4 direction); One end end winding support of side chain 112 is connected on the body of rod of bow 111.
In the present embodiment, side chain 112 is three, and wherein the end of two is connected to the end of bow 111 respectively, and the 3rd is positioned at centre, and end, one end is connected on described bow 111 body of rod, thus forms fan-shaped.In addition, the cross section of both sides side chain 112 keeps consistent with bow 111 and keeps continuous; Middle side chain 112 is main load-carrying construction, and cross section is arch, has several uniform reinforced ribs, can ensure certain rigidity inside cross section.The other end end winding support of side chain 112 is connected on collet 12, and collet 12 is removably disposed in bottom one end with screw propeller 5 of horn 4.
The centre portion (being also the part be connected with side chain 112) of collet 12 in anchor ring untight cylindrical shape (middle is light hole 122, can ensure that on horn 4, pilot light fully sends), fit on the downside of its shape and horn 4, the stability of installing can be ensured, and keep external form small and exquisite; In addition, the dead in line of its axis and screw propeller 5, and the non-closed end port of the collet 12 of cylindrical shape is towards horn 4.
The installation portion 126 of an approximate U-shaped (determining according to horn 4 shape of this position) is also provided with in the non-closed end port of the collet 12 of cylindrical shape, bottom surface (two mounting edges of bottom surface and open end side form U-shaped jointly) and screw propeller 5 axes normal of installation portion 126, and installation portion 126 is connected to the non-closed end port of cylindric collet 12 by two mounting edges of its open end, the container cavity that one end bottom shape with screw propeller 5 of common formation and horn 4 matches, the end engaging of horn 4 is arranged in container cavity.
Unmanned plane rotor fender bracket of the present utility model also comprise with the use of hasp 2 and plectrum 3.
Hasp 2 is in approximate inverse U-shaped, after adopting the U-shaped open end form relative with U-shaped open end to engage with installation portion 126, the shape formed and the mating shapes of horn 4 being positioned at this position, a mounting edge of the open end of hasp 2 is set side by side with two the first journal stirrups 21, form the first groove 24 between two the first journal stirrups 21, another mounting edge of the open end of hasp 2 is provided with the first projection 22.
A mounting edge of the open end of installation portion 126 is fixedly installed second journal stirrup 124, second journal stirrup 124 to be hinged in described first groove 24 by straight pin 6, and the axis direction of straight pin 6 is consistent with the length direction of horn 4.
Plectrum 3 one end is hinged on another mounting edge of the open end of installation portion 126, its pivot center is perpendicular to another mounting edge, the other end of plectrum 3 has the buckle 34 matched with the first projection 22 of hasp 2, after hasp 2 engages with installation portion 126, is fixed by hasp 2 by plectrum 3.In addition, buckle 34 and the first protruding 22 engagement sections are set to arc-shaped curved surface, connection can be made more firm by arc-shaped curved surface engaging.
Further, another mounting edge of the open end of installation portion 126 (is namely hinged with a limit of plectrum 3) is provided with one with the first boss 125 of counterbore, counterbore internal fixtion is provided with nut; The side towards the first boss 125 of one end of plectrum 3, is provided with the second boss 33, second boss 33 inside matched with the counterbore of the first boss 125 and has through hole; The side of first boss 125 dorsad of one end of plectrum 3 is provided with countersunk head through hole 32, be connected with the nut in counterbore run through the through hole of countersunk head through hole 32 and the second boss 33 by screw 7 after, the setting of the second boss 33 can increase area of contact, prevents rocking of plectrum 3.
Especially as shown in fig. 1, when plectrum 3 is operationally after screw 7 rotates clockwise the position after being fixed by hasp 2, the buckle 34 of plectrum 3 is positioned at the first protruding 22 tops of hasp 2; Being provided with cross section at the top of the first projection 22 is semi-round second groove 221, and the bottom of buckle 34 is provided with the second projection 341 matched with the second groove 221.Further, in the present embodiment, as attempted shown in direction in Fig. 1 and Fig. 5, the buckle 34 of plectrum 3 is equally in reverse U shape, and the length of the mounting edge on right side is less than the mounting edge length in left side, more easily engage with the first projection 22 when rotating clockwise to make buckle 34, meanwhile, the longer mounting edge in left side plays again safe spacing effect.
Collet 12 offers many spacing columns 121; be distributed in light hole 122 periphery; further, original threaded mounting hole quantity and mating shapes bottom spacing column 121 quantity and shape and horn 4, can reduce rocking of fan-shaped fender bracket 1 vertical direction after installation.
The bottom surface of installation portion 126 evenly offers multiple lightening hole 123, plectrum 3 evenly offers multiple lightening grooves 35, the impact of fender bracket weight on flight can be reduced as far as possible.In addition, plectrum 3 lateral surface is also provided with many bone lines 31, can friction force be increased, handled easily.
The inverted U-shape opening of hasp 2 is arranged to paste groove 23, for arranging flexible protective (antivibration) material at described hasp 2 with described horn 4 contact position place; Wherein, flexible protective material can adopt multiple applicable material, such as rubber, foam sheet etc., and the present embodiment is preferably foam sheet.
When unmanned plane rotor fender bracket of the present utility model is installed, three of collet 12 spacing columns 121 are alignd with three threaded mounting holes bottom horn 4, horn 4 can be stuck between collet 12 both sides stile (two mounting edges of installation portion 126), horn 4 shell downside surface and the complete laminating of collet 12 inside face; Hasp 2 is placed in horn 4 shell upper side; Forward plectrum 3 to shown in Fig. 1 position, now snap-latch surface engaging, protruding 22 are compressed by buckle 34, and by groove 221 and projection 341 coordinate carry out spacing.
The utility model additionally provides a kind of unmanned plane, and comprise the screw propeller etc. of body, actuating device, horn and horn end, unmanned plane can adopt multiple applicable structure known at present, repeats no more.Further, in the present embodiment, unmanned plane is four rotor wing unmanned aerial vehicles, and horn comprises four, and be distributed in unmanned plane body four angles, concrete connection mode repeats no more.
Each horn has the end, one end of screw propeller, be provided with above-mentioned unmanned plane rotor fender bracket, unmanned plane screw propeller can be avoided equally completely to contact with any of human body in flight course, guarantee personal safety; Meanwhile, unmanned plane can be made when meeting with different directions and clashing into, bear and absorb certain energy by elastic deformation, reducing impact damage, improve safety performance further high; In addition, detouchable connection mode makes unmanned plane rotor fender bracket of the present utility model can Fast Installation and dismounting, and convenient for collecting carries, can rapid deployment during use, reaches state of flight rapidly.
The above; be only detailed description of the invention of the present utility model; but protection domain of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; the change that can expect easily or replacement, all should be encompassed within protection domain of the present utility model.
Claims (15)
1. a unmanned plane rotor fender bracket, is characterized in that, comprising:
Fender bracket body; be removably disposed in the end, one end away from unmanned plane body on unmanned plane horn (4); described end is provided with screw propeller (5); the rotation axis of described screw propeller (5) is perpendicular to the surface of described fender bracket body, and described fender bracket body is used for protecting the described screw propeller (5) when rotating.
2. unmanned plane rotor fender bracket according to claim 1, is characterized in that, described fender bracket body comprises:
Fan-shaped fender bracket (1); be positioned at described screw propeller (5) bottom; and the rotation axis of described screw propeller (5) is through the center of circle of described fan-shaped fender bracket (1); in addition, the radius of described fan-shaped fender bracket (1) is more than or equal to the radius of described screw propeller (5).
3. unmanned plane rotor fender bracket according to claim 2, is characterized in that, described fan-shaped fender bracket (1) comprising:
Support body (11), be made up of bow (111) and at least two side chains (112) arranged along radial direction, one end end winding support of described side chain (112) is connected on the body of rod of described bow (111);
Collet (12), the other end end winding support of described side chain (112) is connected on described collet (12), and described collet (12) is removably disposed in bottom one end with described screw propeller (5) of described horn (4).
4. unmanned plane rotor fender bracket according to claim 3; it is characterized in that; described side chain (112) is three; wherein the end of two is connected to the end of described bow (111) respectively; 3rd is positioned at centre, and end, one end is connected on described bow (111) body of rod.
5. the unmanned plane rotor fender bracket according to claim 3 or 4, it is characterized in that, the centre portion of described collet (12) is the untight cylindrical shape of anchor ring, the dead in line of its axis and described screw propeller (5), and the non-closed end port of the collet of described cylindrical shape (12) is towards described horn (4);
The non-closed end port of the collet (12) of described cylindrical shape is also provided with the installation portion (126) of an approximate U-shaped, the bottom surface of described installation portion (126) and the axes normal of described screw propeller (5), and described installation portion (126) is connected to the non-closed end port of the collet (12) of described cylindrical shape by two mounting edges of its open end, the container cavity that one end bottom shape with described screw propeller (5) of common formation and described horn (4) matches, the end engaging of described horn (4) is arranged in described container cavity.
6. unmanned plane rotor fender bracket according to claim 5, is characterized in that, also comprise:
Hasp (2), in being inverted U-shaped, after adopting the U-shaped open end form relative with U-shaped open end to engage with described installation portion (126), the shape formed and the mating shapes of described horn (4) being positioned at this position, a mounting edge of the open end of described hasp (2) is set side by side with two the first journal stirrups (21), form the first groove (24) between two described first journal stirrups (21), another mounting edge of the open end of described hasp (2) is provided with the first projection (22);
A mounting edge of the open end of described installation portion (126) is fixedly installed second journal stirrup (124), described second journal stirrup (124) is hinged in described first groove (24) by straight pin (6), and the axis direction of described straight pin (6) is consistent with the length direction of described horn (4);
Plectrum (3), one end is hinged on another mounting edge of the open end of described installation portion (126), its pivot center is perpendicular to another mounting edge described, the other end of described plectrum (3) has the buckle (34) matched with first projection (22) of described hasp (2), after described hasp (2) engages with described installation portion (126), by described plectrum (3), described hasp (2) is fixed.
7. unmanned plane rotor fender bracket according to claim 6, it is characterized in that, another mounting edge described of the open end of described installation portion (126) is provided with one with first boss (125) of counterbore, counterbore internal fixtion is provided with nut;
The side towards described first boss (125) of one end of described plectrum (3), is provided with the second boss (33) matched with the counterbore of described first boss (125);
The side of described dorsad first boss (125) of one end of described plectrum (3) is provided with countersunk head through hole (32), and screw (7) runs through described countersunk head through hole (32) and described second boss (33) is connected with the nut in described counterbore afterwards.
8. unmanned plane rotor fender bracket according to claim 7, it is characterized in that, after described hasp (2) is fixing by described plectrum (3), the buckle (34) of described plectrum (3) is positioned at the first projection (22) top of described hasp (2);
The top of described first projection (22) is provided with the second groove (221), and the bottom of described buckle (34) is provided with the second projection (341) matched with described second groove (221).
9. unmanned plane rotor fender bracket according to claim 8; it is characterized in that; described collet (12) offers many spacing columns (121), described spacing column (121) matches with multiple threaded mounting holes of described horn (4) bottom.
10. unmanned plane rotor fender bracket according to claim 9, is characterized in that, the bottom surface of described installation portion (126) evenly offers multiple lightening hole (123).
11. unmanned plane rotor fender brackets according to claim 10, is characterized in that, described plectrum (3) evenly offer many bone lines (31) and multiple lightening grooves (35).
12. unmanned plane rotor fender brackets according to claim 11; it is characterized in that; the inverted U-shape opening of described hasp (2) is arranged to paste groove (23), for arranging flexible protective material at described hasp (2) with described horn (4) contact position place.
13. unmanned plane rotor fender brackets according to claim 12, it is characterized in that, described flexible protective material is foam sheet.
14. 1 kinds of unmanned planes, comprise the screw propeller of body, horn and horn end, it is characterized in that, the end, one end each horn with screw propeller is provided with the unmanned plane rotor fender bracket according to any one of claim 1 to claim 13.
15. unmanned planes according to claim 14, is characterized in that, described horn comprises four, are distributed in unmanned plane body four angles.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520550192.3U CN204822076U (en) | 2015-07-27 | 2015-07-27 | Unmanned aerial vehicle rotor fender bracket and unmanned aerial vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520550192.3U CN204822076U (en) | 2015-07-27 | 2015-07-27 | Unmanned aerial vehicle rotor fender bracket and unmanned aerial vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204822076U true CN204822076U (en) | 2015-12-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520550192.3U Withdrawn - After Issue CN204822076U (en) | 2015-07-27 | 2015-07-27 | Unmanned aerial vehicle rotor fender bracket and unmanned aerial vehicle |
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|---|---|
| CN (1) | CN204822076U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104986331A (en) * | 2015-07-27 | 2015-10-21 | 致导科技（北京）有限公司 | Unmanned aerial vehicle rotor wing protection frame and unmanned aerial vehicle |
| WO2018058328A1 (en) * | 2016-09-27 | 2018-04-05 | 深圳市大疆创新科技有限公司 | Airscrew protection cover and unmanned aerial vehicle using airscrew protection cover |
| CN108082484A (en) * | 2018-01-24 | 2018-05-29 | 深圳市中联讯科技有限公司 | A kind of aircraft with rotor protective cover |
| WO2018161646A1 (en) * | 2017-03-10 | 2018-09-13 | 深圳市道通智能航空技术有限公司 | Propeller protection apparatus, arm, and unmanned aerial vehicle |
-
2015
- 2015-07-27 CN CN201520550192.3U patent/CN204822076U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104986331A (en) * | 2015-07-27 | 2015-10-21 | 致导科技（北京）有限公司 | Unmanned aerial vehicle rotor wing protection frame and unmanned aerial vehicle |
| WO2018058328A1 (en) * | 2016-09-27 | 2018-04-05 | 深圳市大疆创新科技有限公司 | Airscrew protection cover and unmanned aerial vehicle using airscrew protection cover |
| WO2018161646A1 (en) * | 2017-03-10 | 2018-09-13 | 深圳市道通智能航空技术有限公司 | Propeller protection apparatus, arm, and unmanned aerial vehicle |
| CN108082484A (en) * | 2018-01-24 | 2018-05-29 | 深圳市中联讯科技有限公司 | A kind of aircraft with rotor protective cover |
| CN108082484B (en) * | 2018-01-24 | 2024-03-22 | 深圳市中联讯科技有限公司 | Aircraft with rotor wing protection cover |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20151202 Effective date of abandoning: 20171212 |
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| AV01 | Patent right actively abandoned |