CN111994294A - Unmanned aerial vehicle measures camera protective structure - Google Patents
Unmanned aerial vehicle measures camera protective structure Download PDFInfo
- Publication number
- CN111994294A CN111994294A CN202010944791.9A CN202010944791A CN111994294A CN 111994294 A CN111994294 A CN 111994294A CN 202010944791 A CN202010944791 A CN 202010944791A CN 111994294 A CN111994294 A CN 111994294A
- Authority
- CN
- China
- Prior art keywords
- branch
- support
- aerial vehicle
- unmanned aerial
- camera
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000001681 protective effect Effects 0.000 title claims abstract description 31
- 230000002457 bidirectional effect Effects 0.000 claims description 12
- 230000035939 shock Effects 0.000 claims description 10
- 230000006978 adaptation Effects 0.000 claims 2
- 238000013016 damping Methods 0.000 abstract description 20
- 238000010586 diagram Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000005381 potential energy Methods 0.000 description 2
- 239000006096 absorbing agent Substances 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D47/00—Equipment not otherwise provided for
- B64D47/08—Arrangements of cameras
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C25/00—Alighting gear
- B64C25/32—Alighting gear characterised by elements which contact the ground or similar surface
- B64C25/58—Arrangements or adaptations of shock-absorbers or springs
- B64C25/62—Spring shock-absorbers; Springs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C27/00—Rotorcraft; Rotors peculiar thereto
- B64C27/04—Helicopters
- B64C27/08—Helicopters with two or more rotors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64U—UNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
- B64U10/00—Type of UAV
- B64U10/10—Rotorcrafts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64U—UNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
- B64U2101/00—UAVs specially adapted for particular uses or applications
- B64U2101/30—UAVs specially adapted for particular uses or applications for imaging, photography or videography
Landscapes
- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Mechanical Engineering (AREA)
- Remote Sensing (AREA)
- Accessories Of Cameras (AREA)
Abstract
The invention discloses a protective structure for an unmanned aerial vehicle measuring camera, which belongs to the field of protective structures and comprises a machine body, wings and supporting frames, wherein the wings are arranged on the side part of the machine body, the supporting frames are arranged on two sides of the bottom of the machine body, a mounting plate is arranged in the center of the bottom of the machine body, a rotating seat is arranged on the mounting plate, a camera is arranged on the rotating seat, a protective cover is arranged on the outer side of the camera, a protective frame is arranged on the outer side of the protective cover, and a damping device is arranged on the supporting frame.
Description
Technical Field
The invention relates to the field of protective structures, in particular to a protective structure for a measuring camera of an unmanned aerial vehicle.
Background
An unmanned aircraft, referred to as "drone", is an unmanned aircraft that is operated by a radio remote control device and a self-contained program control device, or is operated autonomously, either completely or intermittently, by an onboard computer.
At present, unmanned aerial vehicle's use is more and more extensive, and ordinary people usually shoots with unmanned aerial vehicle, and the field of vision is wide, but because unmanned aerial vehicle takes place to drop or descend and make camera and machine because it is impaired with ground collision easily when probably touching the barrier when flying, causes the unnecessary damage. Therefore, we improve this, provide a protective structure of unmanned aerial vehicle camera.
Therefore, need provide an unmanned aerial vehicle and measure camera protective structure, aim at solving above-mentioned problem.
Disclosure of Invention
Aiming at the defects in the prior art, the embodiment of the invention aims to provide a protective structure for a measuring camera of an unmanned aerial vehicle, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a protective structure of an unmanned aerial vehicle measuring camera comprises a machine body, wings, a supporting frame and a protective frame, it is characterized in that wings are arranged on the side part of the machine body, support frames are arranged on the two sides of the bottom of the machine body, the supporting frame comprises a first bracket, a second bracket and a bottom rod, the first bracket and the second bracket are connected through a connecting shaft, the bottom rod is arranged at the bottom end of the second bracket, a bidirectional elastic cylinder is arranged between the first bracket and the second bracket, a mounting plate is arranged at the center of the bottom of the machine body, a rotating seat is fixed below the mounting plate, a camera is arranged on the rotating seat, a protective cover is arranged on the outer side of the camera, a protective frame is arranged on the outer side of the protective cover, the protective frame is fixed on the rotating seat, the protective frame comprises a first supporting rod and a second supporting rod, the first supporting rod is fixed on two sides of the bottom of the rotating seat, and the two first supporting rods are connected through the second supporting rod.
As a further scheme of the invention, the camera is arranged at the center of the bottom of the rotating seat, the top of the camera is provided with a clamping block matched with the mounting opening and the sliding groove, and the camera is fixed on the rotating seat through the mounting opening and the sliding groove, so that the camera is convenient to disassemble.
As a further scheme of the invention, the number of the first supporting rods is two, the two first supporting rods are vertically fixed at two sides of the bottom of the rotating seat, the first supporting rods are sleeved inside the second supporting rods, and the top ends of the second supporting rods are provided with limiting blocks.
According to a further scheme of the invention, the bidirectional elastic cylinder comprises a cylinder body, a first damping part and a second damping part which are symmetrical are respectively installed in the cylinder body, a damping rod is inserted into an inner cavity of the first damping part, a limiting plate is fixedly connected to the bottom end of the damping rod, the damping rod is sleeved in an inner cavity of the spring groove, a second spring is arranged in the inner cavity of the spring groove and is a double-strand hinged spring, a dustproof pad is arranged at the connecting position of the damping rod and the spring groove, and the bidirectional elastic cylinder is arranged, so that the support frame can absorb impact and convert the impact into elastic potential energy when falling to the ground, and a camera is further protected.
As a further scheme of the invention, a screw hole is formed in the rotating seat, threads are formed in the tops of the two first support rods, and the threads are matched with the screw hole.
As a further scheme of the invention, the first support rod is sleeved in the second support rod, and a first spring is arranged on the first support rod.
As a further scheme of the invention, the top of the bidirectional elastic cylinder is fixed at the center of the first bracket, and the bottom end of the bidirectional elastic cylinder is fixed at the center of the second bracket
In summary, compared with the prior art, the embodiment of the invention has the following beneficial effects:
according to the invention, the camera is protected by the protective cover and the protective frame, and the damage to the camera is reduced.
To more clearly illustrate the structural features and effects of the present invention, the present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
Drawings
Fig. 1 is a schematic overall structure diagram of an embodiment of the present invention.
Fig. 2 is a left side view structure diagram in the embodiment of the invention.
Fig. 3 is a schematic structural diagram of a in the embodiment of the present invention.
Fig. 4 is a schematic structural diagram of a bidirectional elastic tube in the embodiment of the invention.
Fig. 5 is a schematic structural diagram of a rotating base in an embodiment of the invention.
Reference numerals: 1-machine body, 2-wing, 3-first support, 4-second support, 5-bidirectional elastic tube, 501-first damping part, 502-second damping part, 503-cylinder, 504-dustproof pad, 505-limiting plate, 506-spring II, 507-spring groove, 508-damping rod, 6-mounting plate, 7-protective cover, 8-protective frame, 9-rotating seat, 901-mounting opening, 902-sliding groove, 10-support rod I, 11-support rod II, 12-limiting block, 13-spring I, 14-camera, 15-connecting shaft and 16-bottom rod.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", "middle", "one side", "top", "two ends", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Furthermore, it should be noted that, unless explicitly stated or limited otherwise, the terms "first", "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated, whereby the features defined as "first", "second" may explicitly or implicitly include at least one such feature; the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may include, for example, a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be used for communicating the inside of two elements or interacting relation of two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention may be understood by those skilled in the art according to specific situations.
Specific implementations of the present invention are described in detail below with reference to specific embodiments.
Example 1
Referring to fig. 1-3, an unmanned aerial vehicle measures camera protective structure, including organism 1, wing 2, first support 3, second support 4, two-way elastic tube 5, first shock attenuation portion 501, second shock attenuation portion 502, barrel 503, dustproof pad 504, limiting plate 505, two springs 506, spring groove 507, shock absorber 508, mounting panel 6, protection casing 7, protection frame 8, rotate seat 9, installing port 901, spout 902, branch one 10, two 11, stopper 12, spring one 13, camera 14, connecting axle 15 and sill bar 16.
The lateral part of organism 1 is equipped with wing 2, and the bottom both sides of organism 1 are equipped with the support frame, the support frame comprises first support 3, second support 4 and sill bar 16, the bottom center of organism 1 is equipped with mounting panel 6, the below of mounting panel 6 is equipped with rotates seat 9, it is equipped with camera 14 on the seat 9 to rotate, the outside of camera 14 is equipped with protection casing 7, the outside of protection casing 7 is equipped with protection frame 8.
The camera 14 is installed in the center of the bottom of the rotating seat 9, the rotating seat 9 is provided with two installation openings 901 and two sliding grooves 902, the top of the camera 14 is provided with a clamping block matched with the installation openings 901 and the sliding grooves 902, and the camera 14 is fixed on the rotating seat 9 through the installation openings 901 and the sliding grooves 902, so that the disassembly is convenient.
The below of rotating seat 9 is equipped with protection frame 8, protection frame 8 is fixed in rotating seat 9 bottom, protection frame 8 includes branch one 10 and branch two 11, the quantity of branch one 10 is two, two branch 10 vertical fixation is in rotating seat 9 bottom both sides, two be connected through branch two 11 between the branch one 10, inside branch one 10 registrates two 11 tops, the top of branch two 11 all is equipped with stopper 12, two all be equipped with spring one 13 on the branch one 10, when spring one 13 shrink, branch one 10 gets into in the branch two 11, plays absorbing effect, prevents that camera 14 from being destroyed.
The first support 3 and the second support 4 are connected through a connecting shaft 15, the bottom end of the second support 4 is provided with a bottom rod 16, a bidirectional elastic tube 5 is arranged between the first support 3 and the second support 4, the top of the bidirectional elastic tube 5 is fixed at the center of the first support 3, the bottom end of the bidirectional elastic tube 5 is fixed at the center of the second support 4, the bidirectional elastic tube 5 comprises a tube body 503, a first damping part 501 and a second damping part 502 which are symmetrical are respectively installed inside the tube body 503, a damping rod 508 is inserted into an inner cavity of the first damping part 501, a limiting plate 505 is fixedly connected to the bottom end of the damping rod 508, the damping rod 508 is sleeved in an inner cavity of a spring groove 507, the inner cavity of the spring groove 507 is provided with a second spring 506, the second spring 506 is a double-strand hinged spring, so that the compression coefficient of the spring can be increased, the rebound force of the second spring 506 is enhanced, and a dustproof pad 504, through setting up two-way elastic tube 5, when the carriage falls to the ground, can absorb the impact and turn into elastic potential energy, further protect camera 14.
Example 2
Referring to fig. 1 to 3, an unmanned aerial vehicle measurement camera protection structure includes a machine body 1, a wing 2, a first support 3, a second support 4, a bidirectional elastic tube 5, a first damping portion 501, a second damping portion 502, a tube 503, a dustproof pad 504, a limiting plate 505, a second spring 506, a spring groove 507, a damping rod 508, a mounting plate 6, a protective cover 7, a protective frame 8, a rotating seat 9, a mounting opening 901, a sliding groove 902, a first support rod 10, a second support rod 11, a limiting block 12, a first spring 13, a camera 14, a connecting shaft 15, and a bottom rod 16.
The lateral part of organism 1 is equipped with wing 2, and the bottom both sides of organism 1 are equipped with the support frame, and the bottom center of organism 1 is equipped with mounting panel 6, the below of mounting panel 6 is fixed with rotates seat 9, rotates and is equipped with camera 14 on the seat, and the outside of camera 14 is equipped with protection casing 7, and the outside of protection casing 7 is equipped with protection frame 8, and protection frame 8 fixes on rotating seat 9, it is equipped with installing port 901 and spout 902 to rotate to be equipped with on the seat 9, protection frame 8 includes branch one 10 and branch two 11, the quantity of branch one 10 is two, two branch one 10 vertical fixation is in rotating seat 9 bottom both sides, two be connected through branch two 11 between the branch one 10, branch one 10 registrates in branch two 11, be equipped with spring one 13 on branch one 10.
The rotating seat 9 is provided with a screw hole, the tops of the two first support rods 10 are provided with threads, the threads are matched with the screw hole, and the first support rods 10 are fixed on the rotating seat 9 through the threads and the screw hole.
The rest of the structure of this example is the same as example 1.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (7)
1. The utility model provides an unmanned aerial vehicle measures camera protective structure, includes organism (1), wing (2), support frame and protection frame (8), its characterized in that, the lateral part of organism (1) is equipped with wing (2), and the bottom both sides of organism (1) are equipped with the support frame, the support frame includes first support (3), second support (4) and sill bar (16), is connected through connecting axle (15) between first support (3) and the second support (4), and the bottom of second support (4) is equipped with sill bar (16), is equipped with two-way elastic tube (5) between first support (3) and second support (4), and the bottom center of organism (1) is equipped with mounting panel (6), the below of mounting panel (6) is fixed with rotation seat (9), is equipped with camera (14) on the rotation seat, and the outside of camera (14) is equipped with protection casing (7), the outside of protection casing (7) is equipped with protection frame (8), and protection frame (8) are fixed on rotating seat (9), be equipped with installing port (901) and spout (902) on rotating seat (9), protection frame (8) include branch one (10) and branch two (11), and branch one (10) are fixed and are being rotated seat (9) bottom both sides, two be connected through branch two (11) between branch one (10).
2. The unmanned aerial vehicle measures camera protective structure of claim 1, characterized in that, camera (14) are installed in the bottom center of rotating seat (9), and the top of camera (14) is equipped with the fixture block with installing port (901) and spout (902) looks adaptation.
3. The unmanned aerial vehicle measures camera protective structure of claim 1, characterized in that, the quantity of branch (10) is two, two branch (10) are fixed perpendicularly in rotating seat (9) bottom both sides, and branch (10) registrate inside branch two (11), the top of branch two (11) all is equipped with stopper (12).
4. The unmanned aerial vehicle measures camera protective structure of claim 1, characterized in that, two-way elastic tube (5) includes barrel (503), and symmetrical first shock attenuation portion (501) and second shock attenuation portion (502) are installed respectively to barrel (503) inside, shock attenuation pole (508) have been pegged graft to first shock attenuation portion (501) inner chamber, shock attenuation pole (508) bottom fixed connection has limiting plate (505), shock attenuation pole (508) cup joint at spring groove (507) inner chamber, spring groove (507) inner chamber is equipped with spring two (506), and spring two (506) are double strand hinge spring, and shock attenuation pole (508) and spring groove (507) junction are provided with dust-proof pad (504).
5. The unmanned aerial vehicle measures camera protective structure of claim 2, characterized in that, be equipped with the screw on rotating seat (9), the top of two branch poles (10) is equipped with the screw thread, screw thread and screw hole looks adaptation.
6. The unmanned aerial vehicle measures camera protective structure of claim 3, characterized in that, branch pole one (10) registrates in branch pole two (11), be equipped with spring one (13) on branch pole one (10).
7. An unmanned aerial vehicle measuring camera protective structure according to claim 1, characterized in that, the top of the bidirectional elastic tube (5) is fixed at the center of the first bracket (3), and the bottom is fixed at the center of the second bracket (4).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202010944791.9A CN111994294A (en) | 2020-09-10 | 2020-09-10 | Unmanned aerial vehicle measures camera protective structure |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202010944791.9A CN111994294A (en) | 2020-09-10 | 2020-09-10 | Unmanned aerial vehicle measures camera protective structure |
Publications (1)
Publication Number | Publication Date |
---|---|
CN111994294A true CN111994294A (en) | 2020-11-27 |
Family
ID=73469341
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202010944791.9A Pending CN111994294A (en) | 2020-09-10 | 2020-09-10 | Unmanned aerial vehicle measures camera protective structure |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN111994294A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112937843A (en) * | 2021-04-21 | 2021-06-11 | 深圳市瑞可创新科技有限公司 | Aerial photography unmanned aerial vehicle with anti-falling mechanism |
CN115123568A (en) * | 2022-08-01 | 2022-09-30 | 烟台欣飞智能系统有限公司 | Unmanned aerial vehicle monitoring devices based on no dead angle control |
CN115258160A (en) * | 2022-08-24 | 2022-11-01 | 茌平三维测绘有限公司 | Engineering measurement equipment based on unmanned aerial vehicle and use method thereof |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN205423674U (en) * | 2016-03-19 | 2016-08-03 | 张艳艳 | Damping device that packagine machine used |
CN106428535A (en) * | 2016-12-02 | 2017-02-22 | 北京尖翼科技有限公司 | Nose landing gear of unmanned aerial vehicle |
KR20170142414A (en) * | 2016-06-17 | 2017-12-28 | (주)충청에스엔지 기술사사무소 | Camera protecting device for unmanned aerial vehicle |
CN207932020U (en) * | 2018-02-28 | 2018-10-02 | 邓爱军 | A kind of unmanned plane of taking photo by plane easy to disassemble with safeguard function |
CN208007283U (en) * | 2018-03-27 | 2018-10-26 | 杜绍森 | A kind of forest early warning and reconnaissance unmanned plane |
CN208947630U (en) * | 2018-10-29 | 2019-06-07 | 西安华航泽睿广告传播有限公司 | A kind of safeguard structure of unmanned plane camera |
-
2020
- 2020-09-10 CN CN202010944791.9A patent/CN111994294A/en active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN205423674U (en) * | 2016-03-19 | 2016-08-03 | 张艳艳 | Damping device that packagine machine used |
KR20170142414A (en) * | 2016-06-17 | 2017-12-28 | (주)충청에스엔지 기술사사무소 | Camera protecting device for unmanned aerial vehicle |
CN106428535A (en) * | 2016-12-02 | 2017-02-22 | 北京尖翼科技有限公司 | Nose landing gear of unmanned aerial vehicle |
CN207932020U (en) * | 2018-02-28 | 2018-10-02 | 邓爱军 | A kind of unmanned plane of taking photo by plane easy to disassemble with safeguard function |
CN208007283U (en) * | 2018-03-27 | 2018-10-26 | 杜绍森 | A kind of forest early warning and reconnaissance unmanned plane |
CN208947630U (en) * | 2018-10-29 | 2019-06-07 | 西安华航泽睿广告传播有限公司 | A kind of safeguard structure of unmanned plane camera |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112937843A (en) * | 2021-04-21 | 2021-06-11 | 深圳市瑞可创新科技有限公司 | Aerial photography unmanned aerial vehicle with anti-falling mechanism |
CN115123568A (en) * | 2022-08-01 | 2022-09-30 | 烟台欣飞智能系统有限公司 | Unmanned aerial vehicle monitoring devices based on no dead angle control |
CN115258160A (en) * | 2022-08-24 | 2022-11-01 | 茌平三维测绘有限公司 | Engineering measurement equipment based on unmanned aerial vehicle and use method thereof |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN111994294A (en) | Unmanned aerial vehicle measures camera protective structure | |
CN212099378U (en) | Remote sensing monitoring unmanned aerial vehicle for natural resources, anticollision institution and heat dissipation mechanism | |
CN110650277A (en) | Network security camera device | |
CN211405175U (en) | Railway signal power supply screen with protection device | |
CN112993539A (en) | Vehicle-mounted video navigation antenna with shock absorption function | |
CN112728656A (en) | Intelligent air conditioner that stability is high | |
CN216158167U (en) | Constant-force disc spring buffer | |
CN220209258U (en) | Antenna frame for communication | |
CN208675613U (en) | A kind of control box with shatter-resistant function | |
CN213520493U (en) | Prevent female seat that charges of falling buffering | |
CN214094736U (en) | Intelligent air conditioner that stability is high | |
CN220884830U (en) | Inspection unmanned aerial vehicle infrared detection device | |
CN220263137U (en) | Protection structure for unmanned aerial vehicle mapping equipment | |
CN215575874U (en) | High-transmittance optical lens for visible light deep cut-off | |
CN210469955U (en) | Casing for automobile controller | |
CN216158760U (en) | High-altitude parabolic monitoring device with protection structure | |
CN216903770U (en) | Outdoor waterproof console mode batch meter | |
CN212939687U (en) | Anti-falling infrared thermometer | |
CN220221152U (en) | Unmanned aerial vehicle survey and drawing device | |
CN212900592U (en) | Shock-proof device for induction type live display | |
CN215000427U (en) | Detachable portable LED computer word screen display screen | |
CN214795954U (en) | Face recognition terminal device based on deep learning | |
CN218892692U (en) | Unmanned aerial vehicle frame structure with protection structure | |
CN218751489U (en) | Protection type unmanned aerial vehicle organism | |
CN221195875U (en) | Buffer structure of automobile shock absorber ware |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
RJ01 | Rejection of invention patent application after publication |
Application publication date: 20201127 |
|
RJ01 | Rejection of invention patent application after publication |