CN203601563U - Aircraft and propeller arm thereof - Google Patents
Aircraft and propeller arm thereof Download PDFInfo
- Publication number
- CN203601563U CN203601563U CN201320599924.9U CN201320599924U CN203601563U CN 203601563 U CN203601563 U CN 203601563U CN 201320599924 U CN201320599924 U CN 201320599924U CN 203601563 U CN203601563 U CN 203601563U
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- oar
- peg
- elastic component
- plug socket
- oar arm
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Abstract
The utility model provides an aircraft and a propeller arm thereof. The propeller arm comprises a propeller arm seat and a propeller arm rod, wherein the propeller arm seat is connected with the propeller arm rod in a detachable way by a plug-in assembly; the plug-in assembly comprises a plug-in seat, a plug-in head and a locking assembly; the plug-in seat is provided with a plug-in chamber, and the plug-in head can be inserted into the plug-in chamber; the plug-in seat is provided with at least one through hole-shaped bayonet in the circumferential direction wall where the plug-in chamber is formed; the plug-in head is provided with a mounting groove used for installing the locking assembly; the locking assembly can penetrate through a rabbet of the mounting groove and the bayonet corresponding to the rabbet; one of the plug-in seat and the plug-in head is arranged on the propeller arm seat, and the other one is arranged on the propeller arm rod. The aircraft and the propeller arm of the aircraft have the effect of being simple and convenient to assemble and disassemble.
Description
Technical field
The utility model relates to vehicle technology field, relates in particular to a kind of aircraft and oar arm thereof.
Background technology
In the prior art, the aircraft of many rotors comprise fuselage cover, multiple screw propellers of arranging around fuselage and the oar arm that connects fuselage and rotor.Conventionally to use oar arm be all detachable, take up room, but the assembling of existing detaching structure is comparatively complicated, conventionally needs multiple steps just can complete assembling thereby reduce.
Utility model content
Main purpose of the present utility model is to provide a kind of oar arm, is intended to realize the sectional type design of oar arm, and reaches the object of easy accessibility.
The utility model provides a kind of oar arm, comprises oar arm seat and oar armed lever, and described oar arm seat is removably connected with described oar armed lever by connecting element, and described connecting element comprises plug socket, connection-peg and latch assembly; On described plug socket, there is the grafting chamber of inserting for described connection-peg, described plug socket is formed with at least one bayonet socket of through hole shape on the circumferential wall that forms described grafting chamber, described connection-peg is provided with the mounting groove that described latch assembly is installed, and described latch assembly can be through the notch of described mounting groove and the described bayonet socket corresponding with described notch; One of described plug socket and connection-peg are located on described oar arm seat, and described both another is located on described oar armed lever.
Preferably, described latch assembly comprises at least one fixture block, at least one elastic component and at least one locating part; Described elastic component is installed in described mounting groove, described fixture block compresses described elastic component and is installed in described mounting groove, described locating part is along being installed on described fixture block with the orthogonal direction of flexible direction of described elastic component, described mounting groove is provided with the first resigning hole moving along the flexible direction of described elastic component for described locating part, and described fixture block can be through corresponding described notch and described bayonet socket under the elastic force effect of described elastic component.
Preferably, described plug socket is provided with two bayonet sockets that are positioned on a straight line, and two described fixture blocks are located at respectively the two ends of described elastic component.
Preferably, described plug socket is provided with two bayonet sockets that are positioned on a straight line, and the middle part of described mounting groove is provided with dividing plate, one end of described elastic component be socketed on the first registration mast on described dividing plate and compress described dividing plate, the other end is pressed on described fixture block.
Preferably, described plug socket is provided with a bayonet socket, on described connection-peg, just the circumferential wall inner side to described bayonet socket is provided with the second registration mast, and one end of described elastic component is socketed on described the second registration mast and the circumferential wall, the other end that compress described connection-peg is pressed on described fixture block.
Preferably, be also provided with spacing preiection on described fixture block, described mounting groove is provided with the second resigning hole moving along the flexible direction of described elastic component for described spacing preiection.
Preferably, on the wall coordinating with described plug socket on described connection-peg, depression is formed with guide groove, this guide groove have one uncovered, on described plug socket, be provided with can be through the described uncovered guide block slipping in described guide groove in the position of corresponding described guide groove.
Preferably, described connection-peg be packed on described oar arm seat and with described oar arm seat be Split type structure, described plug socket be packed on described oar armed lever and with described oar armed lever be Split type structure.
Preferably, described connection-peg and described oar arm seat by being spirally connected, riveting, bonding or clamping be solidly installed, described plug socket and described oar armed lever by being spirally connected, riveting, bonding or clamping be solidly installed.
The utility model also provides a kind of aircraft, comprises fuselage cover and is installed in the some oar arms on described fuselage cover, and described oar arm adopts above-mentioned oar arm.
Oar arm disclosed in the utility model, has realized removably connecting of oar arm seat and oar armed lever by connecting element, and when by the locking of oar arm seat and oar armed lever, only needing pegs graft oar arm seat and oar armed lever can realize mutually locks being connected of oar arm seat and oar armed lever; When by oar arm seat and the disengaging of oar armed lever, only need latch assembly that oar arm seat and oar armed lever are discharged to the disengaging that can realize oar arm seat and oar armed lever, this disassembly process all only needs a step, has dismounting outstanding effect simply and easily.The aircraft of the above-mentioned oar arm of utilization disclosed in the utility model has above-mentioned beneficial effect too.
Accompanying drawing explanation
Fig. 1 is the local structure schematic diagram of the utility model aircraft one embodiment;
Fig. 2 is the cutaway view of Fig. 1;
Fig. 3 is the enlarged drawing in Fig. 2 centre circle a-quadrant;
Fig. 4 is the enlarged drawing in Fig. 2 centre circle B region;
Fig. 5 is the structural representation that does not comprise the connection-peg of elastic component and fixture block in Fig. 1;
Fig. 6 is the structural representation of plug socket in Fig. 1;
Realization, functional characteristics and the advantage of the utility model object, in connection with embodiment, are described further with reference to accompanying drawing.
The specific embodiment
Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model, the technical characterictic in the utility model can combination in any not conflicting in the situation that.
In order better to describe the architectural feature of oar arm disclosed in the utility model, more clearly explain the beneficial effect of this oar arm, this oar arm is applied to aircraft disclosed in the utility model and describe in detail.
Fig. 1 to Fig. 6 shows an embodiment of the utility model aircraft.Wherein Fig. 1 shows the fuselage cover of this aircraft and the structural representation of oar arm; Fig. 2 is the cutaway view of Fig. 1; Fig. 3 is the enlarged drawing in Fig. 2 centre circle a-quadrant; Fig. 4 is the enlarged drawing in Fig. 2 centre circle B region; Fig. 5 is the structural representation that does not comprise the connection-peg of elastic component and fixture block in this aircraft; Fig. 6 shows the structural representation of plug socket in this aircraft.
Incorporated by reference to referring to Fig. 1 to Fig. 4.This aircraft, comprises fuselage cover 1 and oar arm 2.Oar arm 2 is for sectional type designs, and oar arm 2 comprises oar arm seat 21 and oar armed lever 22.Oar arm seat 21 is connected with fuselage cover 1, and oar arm seat 21 is removably connected with oar armed lever 22.
The oar arm 2 of this aircraft is for sectional type designs, thereby can in use the oar arm seat 21 of oar arm 2 and oar armed lever 22 be assembled, and in the time not using, the oar arm seat 21 of oar arm 2 and oar armed lever 22 dismantled and conserve space, is convenient to transportation and storage.
Particularly, in the present embodiment, aircraft comprises a fuselage cover 1 and four oar arms 2 that are connected with this fuselage cover 1 and stretch out to surrounding, is understandable that, the quantity of oar arm 2 is not limited to four.Oar arm seat 21 is fixedly connected with fuselage cover 1, one-body molded with fuselage cover 1 or fix (as oar arm seat 21 and fuselage cover 1 clamping or be spirally connected etc.) with fuselage cover 1 through fastening structure.Oar arm seat 21 stretches out from fuselage cover 1, and its development length is approximately 1/3rd left and right of oar arm seat 21, and certainly, in other embodiments, oar arm seat 21 also can stretch out longer distance, or embeds the inside of fuselage cover 1.
Please refer to Fig. 3 and Fig. 4, in order to be convenient to dismounting, have good Joint strenght simultaneously, preferably, the oar arm seat 21 of this aircraft is removably connected by connecting element 23 with oar armed lever 22.Wherein, connecting element 23 comprises plug socket 232, connection-peg 231 and latch assembly.Please refer to Fig. 6, have the grafting chamber (in the present embodiment, the cavity that the circumferential wall of connection-peg 231 encloses is grafting chamber) of inserting for connection-peg 231 on plug socket 232, plug socket 232 is formed with the bayonet socket 2321 of through hole shape on the circumferential wall that forms grafting chamber.Please refer to Fig. 5, connection-peg 231 is provided with the mounting groove 2312 that latch assembly is installed, mounting groove 2312 is from the outer peripheral face of connection-peg 231 along slotting direction being extended perpendicular to connection-peg 231 and plug socket 232, and the outer peripheral face of this connection-peg 231 is formed with the notch of this mounting groove 2312.As shown in Figure 3, when connection-peg 231 and plug socket 232 depart from mutually, latch assembly only passes the notch of mounting groove 2312; As shown in Figure 4, when connection-peg 231 and plug socket 232 plug each other, latch assembly is through notch and the bayonet socket 2321 of corresponding mounting groove 2312, in order to locked plug socket 232 and connection-peg 231.
Above-mentioned connection-peg 231 and plug socket 232 both one of be located on oar arm seat 21, both another is located on oar armed lever 22, as: as shown in accompanying drawing is in the present embodiment that connection-peg 231 is located on oar arm seat 21, and plug socket 232 is located on oar armed lever 22.Certainly in other embodiment, can be also that the connection-peg 231 of connecting element 23 is located on oar armed lever 22, and plug socket 232 be located on oar arm seat 21.
The oar arm seat 21 of this aircraft is removably connected by connecting element 23 with oar armed lever 22, can be understood as: as shown in accompanying drawing being in the present embodiment that connection-peg 231 is split-type structural with oar arm seat 21, plug socket 232 is split-type structural with oar armed lever 22.The connection-peg 231 of Split type structure and oar arm seat 21 can be by being spirally connected, riveting, bonding or clamping are solidly installed; Same, the plug socket 232 of Split type structure and oar armed lever 22 can be by being spirally connected, riveting, bonding or clamping are solidly installed.Certainly in other embodiment, also can be understood as connection-peg 231 and be structure as a whole with oar arm seat 21, plug socket 232 is structure as a whole with oar armed lever 22.
This aircraft uses connecting element to connect oar arm seat 21 and oar armed lever 22, in the time that oar arm seat 21 and oar armed lever 22 are locked, only needs oar arm seat 21 and the mutual grafting of oar armed lever 22 can realize and locking being connected of oar arm seat 21 and oar armed lever 22; In the time that oar arm seat 21 and oar armed lever 22 are departed from, only need latch assembly oar arm seat 21 and oar armed lever 22 to be discharged to the disengaging that can realize oar arm seat 21 and oar armed lever 22, this disassembly process all only needs a step, therefore the utlity model has dismounting outstanding effect simply and easily.
Please, again referring to Fig. 3, particularly, in the present embodiment, latch assembly comprises fixture block 2311, elastic component 2313 and locating part (not shown).Please refer to Fig. 5, on the sidewall of mounting groove 2312, have the first resigning hole 2318 extending along depression direction, use for locating part and move along the flexible direction of elastic component 2313.Particularly, this first resigning hole 2318 is through hole.Please, again referring to Fig. 3, be equiped with locating part (not shown) on fixture block 2311, this locating part is along being installed on fixture block 2311 with the orthogonal direction of flexible direction of elastic component 2313.Particularly, fixture block 2311 is provided with a screw 23111, and locating part is screw, comprises whorl and nut portion, and the whorl of this locating part screws in this screw 23111.Certainly in other embodiment, this locating part and fixture block 2311 clampings, bonding etc. also can be set.Please refer to Fig. 4, elastic component 2313 is installed in mounting groove 2312, fixture block 2311 compresses elastic component 2313 and is installed in mounting groove 2312, the nut part of locating part protrudes in the first resigning hole 2318, and elastic component 2313 ejection fixture blocks 2311 are through notch and the bayonet socket 2321 of corresponding mounting groove 2312.The nut portion of locating part is blocked in the end of the first resigning hole 2318, thereby makes the part of fixture block 2311 stay in mounting groove 2312 and another part is through in bayonet socket 2321.
In this aircraft, be inserted in plug socket 232 by a part for connection-peg 231, thereby make connection-peg 231 larger with the area of contact of plug socket 232, there is good Joint strenght; User can in assembling, press movable fixture block 2311 so that its retraction in the mounting groove 2312 of connection-peg 231, can be automatically inserted in the bayonet socket 2321 on plug socket 232 by elastic component 2313 ejections being assembled to behind desired location this movable fixture block 2311, this process is simple and reliable, is easy to assembling; Simultaneously because connection-peg 231 is shearing force with the movement that gets loose of plug socket 232 to the power of fixture block 2311, stretch out the power of bayonet socket 2321 directions perpendicular to fixture block 2311, and shearing force can not produce the component that makes fixture block 2311 exit bayonet socket 2321, thereby arrange, fixture block 2311 is through at mounting groove 2312 and bayonet socket 2321 has good engaging safety; Because the first resigning hole 2318 is through hole, therefore can see through this first resigning hole 2318 locating part is installed on screw 23111, therefore this design make locating part be convenient to install, be easy to assembling advantage.
Lock by above-mentioned latch assembly, make the installation and removal of oar arm seat 21 and oar armed lever 22 easier, user only needs free-hand dismounting and the fitting work of just can completing; As a whole of this connecting element 23 simultaneously, thus in the process of dismounting, also can preserve better, and there will not be in unloading process repeatedly, the phenomenon that part is torn open fewer and fewer occurs.
In other embodiments, latch assembly can be also other forms, for example, use latch to insert in oar arm seat 21 and the equitant part of oar armed lever 22 and fix; For example latch assembly is elastic rail fastening again, is stretched and is buckled on the outer peripheral face of oar arm seat 21 and oar armed lever 22, and be distributed on the outer peripheral face of oar arm seat 21 and oar armed lever 22.
Particularly, in the present embodiment, this oar arm seat 21 is hollow form, and a part for this connection-peg 231 is inserted in the cavity of this oar arm seat 21 and fixing, and it is outer to coordinate with plug socket 232 that the mounting groove 2312 of this oar arm seat 21 is installed in the cavity of oar arm seat 21 simultaneously.Equally, in the present embodiment, this oar armed lever 22 is also hollow form, is inserted in oar armed lever 22 and this plug socket 232 is whole.Correspondingly the position of the bayonet socket 2321 of the corresponding plug socket 232 of this oar armed lever 22 is formed with the via hole of corresponding bayonet socket 2321.Those skilled in the art understand, and this connection-peg 231 also can all be inserted in oar arm seat 21, and correspondingly the position of the corresponding mounting groove 2312 of oar arm seat 21 is formed with the via hole of corresponding mounting groove 2312; Be loaded in oar armed lever 22 and plug socket 232 can be also a part, and bayonet socket 2321 is outside this oar armed lever 22.
Incorporated by reference to referring to Fig. 3 and Fig. 5, in order simply to realize the effect of fixture block 2311 activities, in the present embodiment, this elastic component 2313 is Compress Spring.Those skilled in the art understand, and this elastic component 2313 also can be set to have elastomeric rubber etc.
In order more stably to connect connection-peg 231 and plug socket 232, preferably, in the present embodiment, plug socket 232 is provided with two bayonet sockets 2321 that are positioned on a straight line, and corresponding, mounting groove 2312 is provided with two notches corresponding with these two bayonet sockets 2321.The middle part of mounting groove 2312 is provided with dividing plate 2319.In order to locate preferably this elastic component 2313, the two sides of this dividing plate 2319 are provided with two the first registration masts 2317, and this first registration mast 2317 also can not arrange in variant embodiment.The setting corresponding to mounting groove 2312 of fixture block 2311 and elastic component 2313, one end of elastic component 2313 be socketed on the first registration mast 2317 on dividing plate 2319 and compress dividing plate 2319, the other end is pressed on fixture block 2311.In this mounting groove 2312, be equiped with respectively an elastic component 2313 in the both sides of dividing plate 2319, this elastic component 2313 is compressed and shrinks by dividing plate 2319 and fixture block 2311.In the present embodiment, elastic component 2313 is Compress Spring, and this first registration mast 2317 is tubular, uses for this elastic component 2313 and is inserted in.
The setting of elastic component and mounting groove, except said structure, in other embodiments, also can be provided with two bayonet sockets 2321 that are positioned on a straight line on described plug socket 232.Accordingly, connection-peg 231 is provided with the mounting groove 2312 of a perforation shape corresponding with these two bayonet sockets 2321.In this mounting groove 2312, be equiped with an elastic component 2313 and 2311, two fixture blocks of two fixture blocks 2311 and be not located at the two ends of elastic component 2313.
Certainly, in other embodiments, the bayonet socket 2321 on plug socket 232 can be set to three, four or more, is equipped with a fixture block 2311 in each bayonet socket 2321, and this fixture block 2311 is placed in mounting groove and by elastic component 2313 ejections.
Certainly in other embodiments, can also on plug socket 232, be provided with a bayonet socket 2321, on connection-peg 231, just the circumferential wall inner side to bayonet socket 2321 is provided with the second registration mast, and one end of elastic component 2313 is socketed on the second registration mast and the circumferential wall, the other end that compress connection-peg 231 is pressed on fixture block 2311.
Particularly, fixture block 2311 is in order to be reliably connected with elastic component 2313, and fixture block 2311 is set to groove type, and elastic component 2313 stretches into fixture block 2311 from the notch of fixture block 2311, and is butted on the bottom land of fixture block 2311.Further, spacing giving prominence to is set on fixture block 2311, mounting groove 2312 is provided with the second resigning hole moving along the flexible direction of elastic component 2313 for this spacing preiection.
Incorporated by reference to referring to Fig. 5 and Fig. 6, in order to make connection-peg 231 more stable with being connected of plug socket 232, can mutually not rotate, preferably, on the wall coordinating with plug socket 232 on connection-peg 231, depression is formed with guide groove 2314, and this guide groove 2314 has one uncovered 2315.On plug socket 232, the position of corresponding guide groove 2314 has the guide block 2322 coordinating with guide groove 2314, and guide block 2322 slips in this guide groove 2314 by uncovered 2315.By the cooperation of this guide groove 2314 and guide block 2322, can limit rotatablely moving between connection-peg 231 and plug socket 232, thereby reach the effect more stably connecting.
Particularly, in the present embodiment, on connection-peg 231, be formed with two guide grooves 2314, and be positioned at the two opposite sides of connection-peg 231.In other embodiments, on connection-peg 231, also can form more guide groove 2314, such as three, four; A guide groove 2314 also can be only set.
The foregoing is only preferred embodiment of the present utility model; not thereby limit the scope of the claims of the present utility model; every equivalent structure or conversion of equivalent flow process that utilizes the utility model specification sheets and accompanying drawing content to do; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present utility model.
Claims (10)
1. an oar arm, is characterized in that, comprises oar arm seat and oar armed lever, and described oar arm seat is removably connected with described oar armed lever by connecting element, and described connecting element comprises plug socket, connection-peg and latch assembly; On described plug socket, there is the grafting chamber of inserting for described connection-peg, described plug socket is formed with at least one bayonet socket of through hole shape on the circumferential wall that forms described grafting chamber, described connection-peg is provided with the mounting groove that described latch assembly is installed, and described latch assembly can be through the notch of described mounting groove and the described bayonet socket corresponding with described notch; One of described plug socket and connection-peg are located on described oar arm seat, and described both another is located on described oar armed lever.
2. oar arm according to claim 1, is characterized in that, described latch assembly comprises at least one fixture block, at least one elastic component and at least one locating part; Described elastic component is installed in described mounting groove, described fixture block compresses described elastic component and is installed in described mounting groove, described locating part is along being installed on described fixture block with the orthogonal direction of flexible direction of described elastic component, described mounting groove is provided with the first resigning hole moving along the flexible direction of described elastic component for described locating part, and described fixture block can be through corresponding described notch and described bayonet socket under the elastic force effect of described elastic component.
3. oar arm according to claim 2, is characterized in that, described plug socket is provided with two bayonet sockets that are positioned on a straight line, and two described fixture blocks are located at respectively the two ends of described elastic component.
4. oar arm according to claim 2, it is characterized in that, described plug socket is provided with two bayonet sockets that are positioned on a straight line, the middle part of described mounting groove is provided with dividing plate, one end of described elastic component be socketed on the first registration mast on described dividing plate and compress described dividing plate, the other end is pressed on described fixture block.
5. oar arm according to claim 2, it is characterized in that, described plug socket is provided with a bayonet socket, on described connection-peg, just the circumferential wall inner side to described bayonet socket is provided with the second registration mast, and one end of described elastic component is socketed on described the second registration mast and the circumferential wall, the other end that compress described connection-peg is pressed on described fixture block.
6. according to the oar arm described in claim 2 to 5 any one, it is characterized in that, be also provided with spacing preiection on described fixture block, described mounting groove is provided with the second resigning hole moving along the flexible direction of described elastic component for described spacing preiection.
7. according to the oar arm described in claim 2 to 5 any one, it is characterized in that, on the wall coordinating with described plug socket on described connection-peg, depression is formed with guide groove, this guide groove have one uncovered, on described plug socket, be provided with can be through the described uncovered guide block slipping in described guide groove in the position of corresponding described guide groove.
8. oar arm according to claim 1, is characterized in that, described connection-peg be packed on described oar arm seat and with described oar arm seat be Split type structure, described plug socket be packed on described oar armed lever and with described oar armed lever be Split type structure.
9. oar arm according to claim 8, is characterized in that, described connection-peg and described oar arm seat by being spirally connected, riveting, bonding or clamping be solidly installed, described plug socket and described oar armed lever by being spirally connected, riveting, bonding or clamping be solidly installed.
10. an aircraft, comprises fuselage cover and is installed in the some oar arms on described fuselage cover, it is characterized in that, described oar arm adopts the oar arm described in claim 1 to 9 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320599924.9U CN203601563U (en) | 2013-09-26 | 2013-09-26 | Aircraft and propeller arm thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320599924.9U CN203601563U (en) | 2013-09-26 | 2013-09-26 | Aircraft and propeller arm thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203601563U true CN203601563U (en) | 2014-05-21 |
Family
ID=50714251
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320599924.9U Expired - Lifetime CN203601563U (en) | 2013-09-26 | 2013-09-26 | Aircraft and propeller arm thereof |
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| CN (1) | CN203601563U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104002964A (en) * | 2014-05-30 | 2014-08-27 | 深圳一电科技有限公司 | Multi-rotor unmanned aerial vehicle |
| CN104986330A (en) * | 2015-06-29 | 2015-10-21 | 深圳一电科技有限公司 | Propeller arm connection assembly and aircraft |
| CN105151293A (en) * | 2015-09-25 | 2015-12-16 | 湖南云顶智能科技有限公司 | Arm folding device for unmanned aerial vehicle |
| WO2016066009A1 (en) * | 2014-10-27 | 2016-05-06 | 广州极飞电子科技有限公司 | Rotorcraft, motor heat dissipation structure, connecting structure for craft arm and fuselage, and landing gear assembly/disassembly structure |
| CN106428509A (en) * | 2016-08-26 | 2017-02-22 | 深圳电航空技术有限公司 | Propeller arm structure of unmanned aircraft and unmanned aircraft |
| EP3275784A4 (en) * | 2015-03-25 | 2019-01-09 | Arborea Intellbird S.L. | Remotely controlled vertical take-off device |
| EP3892535A1 (en) * | 2015-06-01 | 2021-10-13 | SZ DJI Technology Co., Ltd. | Segmented propulsion unit arm for an unmanned aerial vehicle |
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2013
- 2013-09-26 CN CN201320599924.9U patent/CN203601563U/en not_active Expired - Lifetime
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104002964A (en) * | 2014-05-30 | 2014-08-27 | 深圳一电科技有限公司 | Multi-rotor unmanned aerial vehicle |
| CN104002964B (en) * | 2014-05-30 | 2016-02-03 | 深圳一电科技有限公司 | Many rotor wing unmanned aerial vehicles |
| WO2016066009A1 (en) * | 2014-10-27 | 2016-05-06 | 广州极飞电子科技有限公司 | Rotorcraft, motor heat dissipation structure, connecting structure for craft arm and fuselage, and landing gear assembly/disassembly structure |
| US10501171B2 (en) | 2014-10-27 | 2019-12-10 | Guangzhou Xaircraft Technology Co., Ltd. | Rotorcraft and heat dissipation structure for motor |
| US10611469B2 (en) | 2014-10-27 | 2020-04-07 | Guangzhou Xaircraft Technology Co., Ltd. | Rotorcraft and assembly and disassembly structure for foot stand and airframe of rotorcraft |
| US11358709B2 (en) | 2014-10-27 | 2022-06-14 | Guangzhou Xaircraft Technology Co., Ltd. | Rotorcraft and connecting structure for arm and airframe of rotorcraft |
| EP3275784A4 (en) * | 2015-03-25 | 2019-01-09 | Arborea Intellbird S.L. | Remotely controlled vertical take-off device |
| EP3892535A1 (en) * | 2015-06-01 | 2021-10-13 | SZ DJI Technology Co., Ltd. | Segmented propulsion unit arm for an unmanned aerial vehicle |
| CN104986330A (en) * | 2015-06-29 | 2015-10-21 | 深圳一电科技有限公司 | Propeller arm connection assembly and aircraft |
| CN104986330B (en) * | 2015-06-29 | 2017-05-17 | 深圳一电航空技术有限公司 | Propeller arm connection assembly and aircraft |
| CN105151293A (en) * | 2015-09-25 | 2015-12-16 | 湖南云顶智能科技有限公司 | Arm folding device for unmanned aerial vehicle |
| CN106428509A (en) * | 2016-08-26 | 2017-02-22 | 深圳电航空技术有限公司 | Propeller arm structure of unmanned aircraft and unmanned aircraft |
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