CN103185218A - Lamp - Google Patents
Lamp Download PDFInfo
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- CN103185218A CN103185218A CN201110446813XA CN201110446813A CN103185218A CN 103185218 A CN103185218 A CN 103185218A CN 201110446813X A CN201110446813X A CN 201110446813XA CN 201110446813 A CN201110446813 A CN 201110446813A CN 103185218 A CN103185218 A CN 103185218A
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- elastic component
- briquetting
- limiting plate
- light fixture
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Abstract
The invention discloses a lamp, which comprises a base, an outer light-transmitting piece, at least two locating components, at least two operation components and at least two linkage components, wherein the base comprises a light source and an inner light-transmitting piece covering outside the light source; the outer light-transmitting piece movably covers on part of the inner light-transmitting piece; an installation space is formed between the outer light-transmitting piece and the inner light-transmitting piece; the locating components are arranged in the installation space; each locating component comprises a limiting plate and at least one first elastic piece; the first elastic pieces can generate elastic deformation relative to the base; the limiting plates move along with the first elastic pieces; the at least two operation components are positioned on the limiting plates; each operation component can do a horizontal motion relative to the corresponding limiting plate; each linkage component comprises a pressing block and a second elastic piece which is linked with the pressing block; the pressing blocks and the operation components are oppositely arranged; and the second elastic pieces can generate the elastic deformation along with motions of the operation components. When the first elastic pieces are in a natural state, the limiting plates and the pressing blocks are abutted with each other, and when the first elastic pieces are in a compression state, the limiting plates are independent of the pressing blocks.
Description
Technical field
The present invention relates to light-emitting device, relate in particular to a kind of light fixture.
Background technology
For the light fixture that is applied in the specific occasion, for example, be fixed on the indicator lamp in the thick grass, the user wishes in use the light-emitting area of light fixture to be heightened certain altitude usually, to realize the effect of illumination or indication.Yet, in transportation, if light-emitting area always has certain distance with respect to lamp body base, can increase the volume of light fixture, make to take too much space when transporting or carrying, increased the difficulty of transportation.Therefore, the user wishes that very this type of light fixture can be in use, and light-emitting area has certain altitude, and the volume of light fixture can reduce when transporting or carrying.
Summary of the invention
Embodiment of the invention technical problem to be solved is, a kind of light fixture is provided, and it can control light fixture elongation or contraction according to user's request.
In order to solve the problems of the technologies described above, the invention provides a kind of light fixture, comprising: base, comprise that light source and cover are combined in the outer iuuminting spare of described light source, the light of described light source sees through described iuuminting spare and disperses out; Outer transmission element covers to activity on the described iuuminting spare of part, forms an installing space between this outer transmission element and the described iuuminting spare; At least two positioning components, be arranged in the described installing space, every group of described positioning component comprises a limiting plate and at least one first elastic component, and described first elastic component can produce the elastic deformation of vertical direction with respect to described base, and described limiting plate is followed described first elastic component motion; At least two operating assemblies are positioned on the described limiting plate, and every group of operating assembly can be under external force with respect to described limiting plate horizontal movement; And at least two linkage units, every group of linkage unit comprises a briquetting and one and second elastic component of this briquetting interlock, described briquetting and described operating assembly are oppositely arranged, and described second elastic component can be followed the motion generation elastic deformation of described operating assembly.When first elastic component in the raw the time, described limiting plate and described briquetting support mutually; When first elastic component was in compressive state, described limiting plate was independent of described briquetting.
The light fixture that above-described embodiment provides, light fixture of the present invention can be according to the pressing operation of user to operating assembly, make light fixture can be in ejection state or receiving state, thereby can in use the light-emitting area of light fixture be heightened certain altitude, and light fixture length can shorten when transporting or carrying, thereby can transport more easily or carry.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the three-dimensional exploded view of the light fixture that provides of an embodiment of the present invention;
Fig. 2 is the assembling view of the light fixture of Fig. 1;
Fig. 3 is the exploded view of linkage unit of the light fixture of Fig. 1.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that obtains under the creative work prerequisite.
See also Fig. 1 and Fig. 2, a kind of light fixture 100 that it provides for one embodiment of the invention.In the present embodiment, described light fixture 100 is used for a marking light (not shown).Described light fixture 100 comprises base 10, outer transmission element 20, at least two positioning components 30, at least two operating assemblies 40 and at least two linkage units 50.
Described base 10 comprises that light source 11 and cover are combined in the iuuminting spare 13 outside the described light source 11, and the light of described light source 11 sees through described iuuminting spare 13 and disperses out.In the present embodiment, described light source 11 semicirculars in shape, it can realize being similar to the support function of tumbler.Be provided with circuit board 15 in the described base 10, be used for realizing the electric connection of light source 11.Described iuuminting spare 13 comprises annular section 131 and is arranged on projection section 133 on the described annular section 131, makes described iuuminting spare 13 be step-like.Described annular section 131 fixedly installs around described base 10, is formed with an astigmatic space between described projection section 133 and the base 10, makes the light that sends from the light source 11 of base 10 to diffuse to the outside by described projection section 133.Described iuuminting spare 13 is formed with the first cascaded surface 133a that the bottom surface with described outer transmission element 20 joins and away from the second cascaded surface 133b of this base 10, the described second cascaded surface 133b is parallel to the described first cascaded surface 133a, and the radial width of the described first cascaded surface 133a is greater than the radial width of the described second cascaded surface 133b.Be appreciated that described iuuminting spare 13 can make shades of colour and structure as required.
Cover on the described iuuminting spare 13 of part to described outer transmission element 20 activity.Concrete, described outer transmission element 20 comprises bottom 21 and the upper end 23 of extending from this bottom 21.Described bottom 21 is the cylindric of hollow, and the diameter of described bottom 21 equals the radial width of the described first cascaded surface 133a, and greater than described upper end 23, makes to form an annular step tread 25 between described bottom 21 and the described upper end 23.Offer two ellipse holes 211 on the sidewall of described bottom 21, offer four the 3rd screws 251 on the described annular step tread 25.Form an installing space 27 between the bottom 21 of this outer transmission element 20 and the described iuuminting spare 13.In the present embodiment, the material of described iuuminting spare 13 is abrasive material.
Described at least two positioning components 30 are symmetricly set in the described installing space 27.Every group of described positioning component 30 comprises two backstays 31, a limiting plate 33 and two first elastic components 35.Described backstay 31 1 ends fixedly are screwed onto on the described first cascaded surface 133a, and an other end then is limited on the described outer transmission element 20.Described first elastic component 35 and described limiting plate 33 all are set on the described backstay 31.Described first elastic component 35 is between described limiting plate 33 and described base 10, and described first elastic component 35 can be with respect to the elastic deformation of described base 10 generation vertical direction, and described limiting plate 33 is followed 35 motions of described first elastic component.Concrete, described limiting plate 33 comprises that one first spiro union portion 331 and second spiro union portion, 333, the second spiro union portions 333 extend upward from the intermediate vertical at these first spiro union portion, 331 1 edges.Offer two first screw 331a and two sleeve joint hole 331b on described first spiro union portion 331, described two first screw 331a are positioned at described second spiro union portion 333 both sides, the position for passing for the screw (not shown) between fixing described outer transmission element 20 and the described limiting plate 33.Described two sleeve joint hole 331b are positioned on the edge of described second spiro union portion 333 both sides, and are used for respectively and described backstay 31 sockets.In the present embodiment, the distance between described sleeve joint hole 331b and described second spiro union portion 333 is less than the distance between the described first screw 331a and described second spiro union portion 333.The centre of described second spiro union portion 333 offers second a screw 333a.In the present embodiment, described first elastic component 35 is spring.
Described at least two operating assemblies 40 are positioned on the described limiting plate 33, and every group of operating assembly 40 can be under external force with respect to described limiting plate 33 horizontal movements.Concrete, each described operating assembly 40 comprises contact 41, screw rod 43 and the 3rd elastic component 45.Described contact 41 and described screw rod 43 1 ends are spirally connected fixing mutually, and described contact 41 passes described through hole 211 and is exposed to outside the described outer transmission element 20, and being used for provides external force to operate for the user.In the present embodiment, be formed with a stop tab 411 on the described contact 41, in the time of in described contact 41 is housed in described through hole 211, described stop tab 411 and described outer transmission element 20 madial wall butts, thus limit the position of described contact 41.Described screw rod 43 is used under the driving of described contact 41 and described linkage unit 50 movable butts.Described screw rod 43 and the 3rd elastic component 45 are housed in the described installing space 27, and described screw rod 43 passes the second screw 333a on the described limiting plate 33 and is connected with described linkage unit 50.Described the 3rd elastic component 45 be set on the described screw rod 43 and with described contact 41 butts, be used for providing the elastic movement of described operating assembly 40.In the present embodiment, described the 3rd elastic component 45 is spring.
As shown in Figure 3, described linkage unit 50 is housed in the described installing space 27.Every group of described linkage unit 50 comprises a location division 51, a guide part 53, a guide rod 55, one second elastic component 57 and a briquetting 59.
Offer fixing threaded hole on the described location division 51, with by being spirally connected with screw and location division 51 being fixed on the described second cascaded surface 133b.
Described guide part 53 is housed in the described location division 51.Described guide part 53 is formed with a host cavity 531, offers spacing muscle 533 and projection 535 on the sidewall of described host cavity 531, and the bearing of trend of described spacing muscle 533 is described identical with projection 535.Described projection 535 extends from the sidewall central vertical of described host cavity 531, and is in vacant state.Described projection 535 offers a slit 537 along its axial (bearing of trend).In the present embodiment, described spacing muscle 533 is cuboid, and described projection 535 is cylindric.Also offer two draw-in grooves 539 on relative two sidewalls of described guide part 53.
Described guide rod 55 comprises straight-bar portion 551 and the cross bar portion 553 vertical with straight-bar portion 551, described straight-bar portion 551 is fixed on the described slit 537, the end of described cross bar portion 553 is formed with a grab 555, and the bearing of trend of described grab 555 is parallel with described straight-bar portion 551.
Described second elastic component 57 is set on the described projection 535, and described guide rod 55 is positioned between the sidewall and described second elastic component 57 of described host cavity 531, described briquetting 59 and described second elastic component, 57 mutual butts make described second elastic component 57 can follow the motion generation elastic deformation of described briquetting 59.In the present embodiment, described second elastic component 57 is spring, and described spring section is set on the described projection 535, and another part then is housed in the described briquetting 59, when external force was applied on the described spring, elastic deformation can take place along described projection 535 in described spring.
Described briquetting 59 parts are housed in the described guide part 53.When described first elastic component 35 in the raw the time, the part that described briquetting 59 is exposed outside described guide part 53 supports mutually with described limiting plate 33.Concrete, offer a stopper slot 591 corresponding with described spacing muscle 533 on the described briquetting 59, described spacing muscle 533 is housed in the described stopper slot 591, and under the driving force effect, described briquetting 59 is moved with respect to described guide part 53 according to the direction of described spacing muscle 533.Offer a groove 593 on the lateral surface of described briquetting 59, be provided with the first relative guiding rib 595 and second guiding rib 597 in the described groove 593, described first guiding rib 595 arranges near described second elastic component 57.Described first guiding rib 595 offers a deep gouge 595a on the face of described second guiding rib 597, the depression direction of described deep gouge 595a is towards described second elastic component 57.Offer the backhaul inclined-plane 597a corresponding to described deep gouge 595a on described second guiding rib 597.Under the driving force effect, described grab 555 can move to along the sidewall of described first guiding rib 595 in the described deep gouge 595a, perhaps spins off in described deep gouge 595a along described backhaul inclined-plane 597a.Offer the wedge shape buckle 599 corresponding to described draw-in groove 539 on the described briquetting 59, described buckle 599 is housed in the described draw-in groove 539, and according to the motion of described briquetting 59 and in described draw-in groove 539, do back and forth movement.
When assembling described light fixture 100, earlier iuuminting spare 13 covers are combined on the described base 10, then, the straight-bar portion 551 of guide rod 55 are inserted in the slit 537 on the projection 535 of guide parts 53, second elastic component 57 is enclosed within on the described projection 535, makes second elastic component 57 support the straight-bar portion 551 of guide rod 55.Briquetting 59 is packed in the host cavity 531 of guide part 53, two buckles 599 of briquetting 59 are snapped in respectively in two draw-in grooves 539 of guide part 53, and the spacing muscle 533 on the guide part 53 is housed in the stopper slot 591 of briquetting 59.Simultaneously, make the grab 555 of guide rod 55 be arranged in groove 593 on the lateral surface of briquetting 59, arrive this, namely finished the assembling of linkage unit 50.After assembling was finished, described second elastic component 57 was in compressive state all the time between briquetting 59 and guide part 53.Then, the linkage unit 50 that assembles is fixed on the second cascaded surface 133b on the described iuuminting spare 13 by described location division 51.Fixing described backstay 31 is on the described first cascaded surface 133a, first elastic component 35 and limiting plate 33 are socketed on the described backstay 31 successively, and make the upper surface of first spiro union portion 331 of described limiting plate 33 and the lower surface of described briquetting 59 support mutually.Then, use long spiro nail that described limiting plate 33 is limited on the described outer transmission element.At this moment, finished installation to positioning component 30.After contact 41 and described screw rod 43 screwed, the 3rd elastic component 45 is socketed on the described screw rod 43, then screw rod 43 is screwed among the second screw 333a of described limiting plate 33, up to described screw rod 43 and described briquetting 59 butts.At last, described outer transmission element is covered on the described first cascaded surface 133a, and make an other end of backstay 31 be limited on the described outer transmission element.Thus, finished the assembling of whole button.
When triggering these light fixture 100 ejections, apply the contact 41 that external force is pressed outer transmission element 20 both sides simultaneously, make corresponding screw rod 43 promote briquettings 59 towards described guide part 53 motions.At this moment, the grab 555 of guide rod 55 slides among the deep gouge 595a under external force drives, thereby described briquetting 59 is limited in the described guide part 53, and keeps the state that presses down.After cancelling the pressing force to contact 41 and since grab 555 still with described deep gouge 595a clamping, briquetting 59 keeps the state that presses down.At this moment, break away from limiting plate 33 because briquetting 59 is pressed down, thereby removed restriction to limiting plate 33, make outer transmission element 20, positioning component 30 and operating assembly 40 under the effect of first elastic component 35, upspring, the ejection state of realization light fixture 100.
When needs return to receiving state with light fixture 100, towards the direction of described iuuminting spare 13 press described outside transmission element 20, make the elastic component 35 of winning be in compressive state.Press this contact 41 again, the grab 555 of guide rod 55 slides in the groove 593 along backhaul inclined-plane 597a under the guide effect of second guiding rib 597 of briquetting 59.Behind the pressing force of cancelling briquetting 59, under the restoring force effect of second elastic component 57 that is in compressive state, briquetting 59 reinstatement attitudes, and support limiting plate 33 again, make that outer transmission element 20 is limited at the position that fits with described iuuminting spare 13 again, namely be in the receiving state that is pressed.
Above disclosed is a kind of preferred embodiment of the present invention only, can not limit the present invention's interest field certainly with this, and therefore the equivalent variations of doing according to claim of the present invention still belongs to the scope that the present invention is contained.
Claims (10)
1. a light fixture is characterized in that, comprising:
Base comprises that light source and cover are combined in the outer iuuminting spare of described light source, and the light of described light source sees through described iuuminting spare and disperses out;
Outer transmission element covers to activity on the described iuuminting spare of part, forms an installing space between this outer transmission element and the described iuuminting spare;
At least two positioning components, be arranged in the described installing space, every group of described positioning component comprises a limiting plate and at least one first elastic component, and described first elastic component can produce the elastic deformation of vertical direction with respect to described base, and described limiting plate is followed described first elastic component motion;
At least two operating assemblies are positioned on the described limiting plate, and every group of operating assembly can be under external force with respect to described limiting plate horizontal movement; And
At least two linkage units, every group of linkage unit comprise a briquetting and one and second elastic component of this briquetting interlock, and described briquetting and described operating assembly are oppositely arranged, and described second elastic component can be followed the motion generation elastic deformation of described operating assembly;
When first elastic component in the raw the time, described limiting plate and described briquetting support mutually; When first elastic component was in compressive state, described limiting plate was independent of described briquetting.
2. light fixture as claimed in claim 1, it is characterized in that: be formed with first cascaded surface that joins with described outer transmission element on the described iuuminting spare and away from second cascaded surface of this base, each described positioning component also comprises at least one backstay, described backstay one end is fixed on described first cascaded surface, an other end is limited on the described outer transmission element, and described linkage unit is arranged on described second cascaded surface.
3. light fixture as claimed in claim 2, it is characterized in that: described first elastic component and described limiting plate all are set on the described backstay, and described first elastic component is between described limiting plate and described base.
4. light fixture as claimed in claim 2, it is characterized in that: each described positioning component comprises two backstays, described limiting plate comprises one first spiro union portion and from this first spiro union portion vertically extending second spiro union portion of edge on one side, offer two first screws and two sleeve joint holes on described first spiro union portion, described two first screws are positioned at the described second spiro union portion both sides, described two sleeve joint holes are positioned on the edge of the described second spiro union portion both sides and are used for respectively and described backstay socket, offer second screw on described second spiro union portion, be used for being connected with described operating assembly.
5. light fixture as claimed in claim 4, it is characterized in that: each described operating assembly comprises contact, screw rod and the 3rd elastic component, described contact and described screw rod one end are spirally connected fixing mutually, described screw rod and described briquetting activity butt, described the 3rd elastic component be set on the described screw rod and with described contact butt, described screw rod and the 3rd elastic component are housed in the described installing space, described screw rod passes second screw on the described limiting plate and is connected with described linkage unit, offer a through hole on the described outer transmission element, described contact passes described through hole and is exposed to outside the described outer transmission element.
6. light fixture as claimed in claim 4, it is characterized in that, described outer transmission element comprises bottom and the upper end of extending from this bottom, the diameter of described bottom is greater than described upper end, offer two three screws corresponding with described first screw on the described bottom, the position for passing for screw between fixing described outer transmission element and the described limiting plate.
7. light fixture as claimed in claim 1, it is characterized in that: each described linkage unit also comprises a guide part and a location division, described guide part is housed in the described location division, fixedly connected with described iuuminting spare in described location division, described guide part is formed with a host cavity, offer spacing muscle on the sidewall of described host cavity, described briquetting is housed in the described guide part, and offer a stopper slot corresponding with described spacing muscle, described spacing muscle is housed in the described stopper slot, under the driving force effect, described briquetting is moved with respect to described guide part according to the direction of described spacing muscle.
8. light fixture as claimed in claim 7, it is characterized in that: be formed with a projection in the host cavity of described guide part, the bearing of trend of described projection is identical with described spacing muscle, described projection axially offers a slit along it, each described linkage unit also comprises a guide rod, the mid portion of described guide rod is fastened in the described slit, and described second elastic component is set on the described projection and with described guide rod and supports, described briquetting and the mutual butt of described second elastic component.
9. light fixture as claimed in claim 8, it is characterized in that: described guide rod comprises straight-bar portion and the cross bar portion vertical with straight-bar portion, and described straight-bar portion is fixed on the described slit, and the end of described cross bar portion is formed with a grab; A lateral surface of described briquetting is provided with the first relative guiding rib and second guiding rib, described first guiding rib is near the described second elastic component setting, described first guiding rib offers a deep gouge on the face of described second guiding rib, the depression direction of described deep gouge is towards described second elastic component, offer the backhaul inclined-plane corresponding to described deep gouge on described second guiding rib, under the driving force effect, described grab is moveable in the described deep gouge, perhaps spins off in described deep gouge.
10. light fixture as claimed in claim 9, it is characterized in that: also offer two draw-in grooves on relative two sidewalls of described guide part, offer the wedge shape buckle corresponding to described draw-in groove on the described briquetting, described buckle is housed in the described draw-in groove and does back and forth movement according to the motion of described briquetting in described draw-in groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110446813XA CN103185218A (en) | 2011-12-28 | 2011-12-28 | Lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110446813XA CN103185218A (en) | 2011-12-28 | 2011-12-28 | Lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103185218A true CN103185218A (en) | 2013-07-03 |
Family
ID=48676559
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110446813XA Pending CN103185218A (en) | 2011-12-28 | 2011-12-28 | Lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103185218A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104515076A (en) * | 2013-09-29 | 2015-04-15 | 林万炯 | Lamp telescoping mechanism |
| CN108443830A (en) * | 2018-01-23 | 2018-08-24 | 海宁瑞峰祥宇影视制作有限公司 | The bindiny mechanism of plate body and ontology in soft light device |
| CN111361751A (en) * | 2020-03-28 | 2020-07-03 | 广东万虹科技有限公司 | Oil-electricity hybrid unmanned aerial vehicle nacelle damping device |
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| US6092910A (en) * | 1999-04-29 | 2000-07-25 | Sung; Rick | Flashlight |
| JP2004134347A (en) * | 2002-10-11 | 2004-04-30 | Hitachi Lighting Ltd | Ceiling-surface-mounting type illuminating apparatus |
| CN1576682A (en) * | 2003-06-30 | 2005-02-09 | 东芝照明技术株式会社 | Embedded sign light device |
| US7510296B2 (en) * | 2007-06-19 | 2009-03-31 | Donald Nevin | LED illuminated screwdriver |
| CN101922656A (en) * | 2010-06-28 | 2010-12-22 | 海洋王照明科技股份有限公司 | Indicating lamp |
| JP4638387B2 (en) * | 2006-06-23 | 2011-02-23 | 大光電機株式会社 | Lighting fixture wall mounting structure |
| CN201803200U (en) * | 2010-10-12 | 2011-04-20 | 海洋王照明科技股份有限公司 | Lighting device |
| CN102221144A (en) * | 2010-04-19 | 2011-10-19 | 日立空调·家用电器株式会社 | Led lamp bulb |
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2011
- 2011-12-28 CN CN201110446813XA patent/CN103185218A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6092910A (en) * | 1999-04-29 | 2000-07-25 | Sung; Rick | Flashlight |
| JP2004134347A (en) * | 2002-10-11 | 2004-04-30 | Hitachi Lighting Ltd | Ceiling-surface-mounting type illuminating apparatus |
| CN1576682A (en) * | 2003-06-30 | 2005-02-09 | 东芝照明技术株式会社 | Embedded sign light device |
| JP4638387B2 (en) * | 2006-06-23 | 2011-02-23 | 大光電機株式会社 | Lighting fixture wall mounting structure |
| US7510296B2 (en) * | 2007-06-19 | 2009-03-31 | Donald Nevin | LED illuminated screwdriver |
| CN102221144A (en) * | 2010-04-19 | 2011-10-19 | 日立空调·家用电器株式会社 | Led lamp bulb |
| CN101922656A (en) * | 2010-06-28 | 2010-12-22 | 海洋王照明科技股份有限公司 | Indicating lamp |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104515076A (en) * | 2013-09-29 | 2015-04-15 | 林万炯 | Lamp telescoping mechanism |
| CN104515076B (en) * | 2013-09-29 | 2017-07-14 | 赛尔富电子有限公司 | A kind of lamp expanding mechanism |
| CN108443830A (en) * | 2018-01-23 | 2018-08-24 | 海宁瑞峰祥宇影视制作有限公司 | The bindiny mechanism of plate body and ontology in soft light device |
| CN111361751A (en) * | 2020-03-28 | 2020-07-03 | 广东万虹科技有限公司 | Oil-electricity hybrid unmanned aerial vehicle nacelle damping device |
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Application publication date: 20130703 |