The content of the invention
In order to solve above-mentioned and other potential technical problems, the present invention provides a kind of foldable attachment means, bagInclude：First folded piece, provided with the first threaded portion；Second folded piece, provided with for the second screw thread with first threaded portion splitPortion；Wherein, first threaded portion pieces together the spiro column that the first screw thread is laid on a surface with the second threaded portion；Screw threads for fasteningPart, it is movably arranged at first folded piece or the second folded piece, and its surface is provided with the matched with first screw threadTwo screw threads；The threaded fastener is socketed for activity to the spiro column, and makes the first screw thread and the second screw thread be mutually twisted.
In one embodiment of the invention, first screw thread is arranged at the outer surface of the spiro column；The screw thread is tightFirmware is sheathed on the stud in vitro, and second screw thread is arranged at the inner surface of the threaded fastener.
In one embodiment of the invention, first screw thread is arranged at the inner surface of the spiro column；The screw thread is tightFirmware is sheathed in the spiro column, and second screw thread is arranged at the outer surface of the threaded fastener.
In one embodiment of the invention, first threaded portion is provided with the first mating surface, and second threaded portion is provided withFor the second mating surface with the first mating surface split.
In one embodiment of the invention, first folded piece and the second folded piece can be relatively rotated by rotating mechanismGround is connected.
In one embodiment of the invention, first threaded portion and the second threaded portion have for mutual split respectivelyOne mating surface and the second mating surface, first mating surface and the second mating surface are correspondingly arranged in the rotating mechanism both sides, withFirst folded piece and the second folded piece is made to make the first mating surface and the second mating surface split to turning to relatively.
In one embodiment of the invention, first mating surface and the second mating surface connect in a plane or multiple planesThe structure connect.
In one embodiment of the invention, first mating surface and the second mating surface are that relatively described stud body axis are inclinedOblique inclined-plane.
In one embodiment of the invention, first mating surface and the second mating surface connect in a curved surface or multiple curved surfacesThe structure connect.
In one embodiment of the invention, opening, and described first are provided with first mating surface and the second mating surfaceThreaded portion and the second threaded portion are respectively from the respective inside hollow out of opening.
In one embodiment of the invention, first folded piece or the second folded piece are provided with stop part, the stop partIt is located at the first screw thread both sides respectively with the threaded fastener, so that threaded fastener is continued to move to described in block.
In one embodiment of the invention, first folded piece, which is provided with, is used for the first connection for being fixedly connected with the first hornPortion；And/or, second folded piece is provided with the second connecting portion for being used for being fixedly connected with the second horn.
In one embodiment of the invention, the connected mode between the first connecting portion and/or second connecting portion and hornFor composite joint mode, it includes：Physical connection and splicing.
In order to solve above-mentioned and other potential technical problems, the present invention provides a kind of unmanned vehicle, including：ExtremelyFew one group of first horn and the second horn；Foldable attachment means described at least one, wherein, first folded piece is fixedIt is connected to first horn；Second folded piece is fixedly connected on second horn.
As described above, the foldable attachment means of the present invention, including：First folded piece, provided with the first threaded portion；Second foldingOverlapping piece, provided with for the second threaded portion with first threaded portion split；Wherein, first threaded portion is spelled with the second threaded portionSynthesize the spiro column that the first screw thread is laid on a surface；Threaded fastener, it is movably arranged at first folded piece or secondFolded piece, its surface is provided with the second screw thread matched with first screw thread；The threaded fastener for activity to the spiral shellCylinder is socketed, and makes the first screw thread and the second screw thread be mutually twisted；The present invention realizes the threaded portion on multiple folded pieces of splitSplice the structure of simultaneously screw lock, can effectively make up fit clearance, lift product service life.
Embodiment
Embodiments of the present invention are illustrated by particular specific embodiment below, those skilled in the art can be by this explanationContent disclosed by book understands other advantages and effect of the present invention easily.
Fig. 1 is referred to Fig. 5.It should be clear that structure, ratio, size depicted in this specification institute accompanying drawings etc., is only used toCoordinate the content disclosed in specification, so that those skilled in the art is understood with reading, being not limited to the present invention can be realThe qualifications applied, therefore do not have technical essential meaning, the tune of the modification of any structure, the change of proportionate relationship or sizeIt is whole, in the case where not influenceing effect of the invention that can be generated and the purpose that can reach, all should still it fall in disclosed skillArt content is obtained in the range of covering.Meanwhile, in this specification it is cited as " on ", " under ", "left", "right", " centre " andThe term of " one " etc., is merely convenient to understanding for narration, and is not used to limit enforceable scope of the invention, its relativenessIt is altered or modified, under without essence change technology contents, when being also considered as enforceable category of the invention.
1 is referred to, the present invention provides a kind of structural representation of foldable attachment means 1 in embodiment.In the present embodimentIn, the foldable attachment means 1 include the first folded piece 11 and the second folded piece 12, and first folded piece 11 is away from describedThe outer end outer end of second folded piece 12 is first connecting portion 111, available for being fixedly connected with the first horn 2；Second folded piece12 outer end is second connecting portion 121, available for being fixedly connected with the second horn 3；The overall foldable attachment means 1 are in cylinderBody shape.
The horn 3 of first horn 2 and second respectively interior one of horn and outer boom and another one, it is described interiorHorn one end connects the foldable attachment means 1, and the other end is connected to unmanned vehicle main body (the main frame portion of such as unmanned planePoint)；Described outer boom one end connects the folding device, other end connection rotor component.
It should be noted that, it is mainly with the mode that is fixedly connected of horn：1. physical connection is (such as：Mode connects for screw, riveting)；②Glue sticking is (such as：AB glue)；3. composite joint is (such as：Riveting+splicing).1. mode, which operates, needs particular tool, and process is cumbersome；AndDuring long-term use, connecting hole is also easy to produce deformation (being changed into elliptical aperture), produces and loosens gap；Trickle displacement can not be limited to moveIt is dynamic.2. mode can be effectively limited because of the Displacement-deformation that smaller external force is produced, and when meeting larger external impacts, structure is easily destroyed,And in outdoor work, it may occur that aging.
In one embodiment of the invention, the company between the first connecting portion 111 and/or second connecting portion 121 and hornMode is connect for the composite joint mode 3., i.e., existing physical connection (can be for example diagrammatically shown, by being respectively arranged on the first connectionThe riveting part 1111 and 1211 of portion 111 and second connecting portion 121 is riveted, and the riveting part 1111 and 1121 can be embeddedHave clip of rivet etc.), also there is viscose to be glued (glue can be coated between horn and connecting portion), so ensure the reliable of fixationProperty.
The interior horn and outer boom can be carbon fibre materials, and the first connecting portion 111 and second connecting portion 121 canBeing molded by plastic material (such as PC, PS, ABS, PVC), plasticity is strong, and density is far below metal material；CanChoosing, overall 11 and second folded piece of the first folded piece 12 can be the plastic material.The advantage of injection molding forming methodIt is that speed of production is fast, efficiency high, automation can be achieved in operation, and product size is accurate, and product easily updates.
Optionally, selection ABS (can also make as the making material of the first connecting portion 111 and second connecting portion 121For the first folded piece 11 and the making material of the second folded piece 12), there is high lightweight, intensity because of it, good toughness, easy to processThe advantages of shaping；And it is excellent with carbon fiber pipe bonding property, without being surface-treated.
Certainly, in other embodiments, aluminium alloy, composite etc. can also be selected；But, the metal material such as aluminium alloyIt is larger with density, it is unfavorable for construction weight control, and processing cost is higher, easy-to-rust, coordinates the shortcomings of tightness degree is poor, thereforeIt is not considered；Composite manufacturing cost is too high, is also not considered.
In the present embodiment, the foldable attachment means 1 include：First folded piece 11, the second folded piece 12 and screw threadFastener 14, the split of the form fit of 11 and second folded piece of the first folded piece 12 ground, mosaic surface is provided with the first spiral shellLine, the surface of threaded fastener 14 is provided with the second screw thread matched with first screw thread, and is consolidated by the occlusion between screw threadDetermine the relative position of three；Also, threaded fastener 14 described in direction of arrow turn that exemplarily, can be as shown in Fig. 1 withThreaded fastener 14 is made to depart from the first screw thread.
In the present embodiment, the first connecting portion 111 is located at the outer end of first folded piece 11, and described second connectsSocket part 121 is located at the outer end of second folded piece 12.
Also referring to shown in Fig. 2, the threaded fastener 14 departs from can be along direction shown in shown by arrow after the first screw threadMove and leave the mosaic, then as shown in FIG., first folded piece 11 has the first threaded portion 112, described secondFolded piece 12 is provided with for the second threaded portion 122 with the split of the first threaded portion 112；Wherein, first threaded portion 112 withSecond threaded portion 122 pieces together the spiro column 13 that the first screw thread is laid on a surface.
The threaded fastener 14, it is movably arranged at the folded piece 12 of the first folded piece 11 or second, its surfaceProvided with the second screw thread matched with first screw thread；The threaded fastener 14 can move to be socketed with the spiro column, orderFirst screw thread and the second screw thread are mutually twisted, to be fixedly connected with the first folded piece 11 and the second folded piece 12.
In the present embodiment, the outer surface of the spiro column 13 sets first screw thread, in other words, first spiral shellThe outer surface of the threaded portion 122 of line portion 112 and second is set respectively can piece together a part and another part for first screw threadScrew thread；And the second screw thread described in the inner surface setting of the threaded fastener 14, and the threaded fastener 14 be sheathed on it is describedThe first screw thread and the second threaded engagement are made outside spiro column 13；It should be noted that, in other embodiments, first screw thread also may be usedTo be arranged at the inner surface of the spiro column, second screw thread is arranged at the outer surface of the threaded fastener 14, describedThe cavity that one threaded portion 112 and the inner hollow of the second threaded portion 122 and split are formed in spiro column 13, and the threaded fastener14 can turn enter the spiro column 13 in make the second screw thread and the first threaded engagement.
In the present embodiment, a threaded portion have the first mating surface 1121, the second threaded portion 122 have for it is describedSecond mating surface 1221 of the split of the first mating surface 1121, specifically, the mating surface 1221 of first mating surface 1121 and secondCan be single plane, such as the inclined-plane of the axis deviation of relatively described spiro column 13.
Due to the long-term operation and frequently folding operation will necessarily cause constitutional detail to wear and tear, and produce fit clearance,If not making up scheme, over time, fit clearance can gradually increase, and influence organism stability；In the present invention'sIn one embodiment, as shown in Fig. 2 second folded piece one section between the first screw thread and threaded fastener 14 can have coneFirst taper fit portion 123 (tubular body of such as diagram) of degree, and can have in threaded fastener and match somebody with somebody with first taperThe second taper fit portion (for example the hole portion with taper, not shown) that conjunction portion 123 is engaged, the first taper fit portion123 and second taper fit portion at least partly socket-connect, on the one hand strengthen fastening limit function, on the other hand, also existThe axis direction of spiro column 13 reserves certain displacement distance, when the first mating surface 1121 or the second mating surface 1221 are worn and torn,Can screw thread fastener 14, move axially certain displacement, the fit clearance of generation can be made up using taper, it is ensured that screw thread is tightIt can keep being fitted close all the time between firmware 14 and folded piece；Meanwhile, the life-span of foldable attachment means 1 can be extended, reducedLater maintenance cost.
Certainly, in other embodiments, the mating surface 1221 of the first mating surface 1121 and second can also be multiple flatFace is formed by connecting；And in other embodiments, the mating surface 1221 of the first mating surface 1121 and second can also be singleCurved surface or multiple curved surfaces be formed by connecting, it is only necessary to the spiro column 13 can be pieced together, be not limited with illustrating embodiment.
As shown in figure 3, the state that the first folded piece 11 of displaying and the second folded piece 12 are separated to realize folding is shownIt is intended to.
In one embodiment of the invention, the folded piece 12 of the first folded piece 11 and second can phase by rotating mechanism 17To rotationally connecting, in fig. 2, second folded piece 12 is rotated after an acute angle i.e. relative to the first folded piece 11 along shown by arrowObtain Fig. 3 state.
For example, the rotating mechanism 17 can include：Rotating shaft part and the sleeve member being rotationally sleeved on outside rotating shaft,The rotating shaft part can be at least two segmentation axis bodies on single axis body or same straight line；The sleeve member also may be usedTo be at least two segmentation axle sleeves on single axle sleeve or same straight line.
The rotating shaft part and sleeve member are respectively arranged on one of described folded piece 12 of first folded piece 11 and second and anotherIn one, for example, the rotating shaft part is on first folded piece 11, the sleeve member is located at second folded piece 12On, or, the rotating shaft part is on second folded piece 12, and the sleeve member is on first folded piece 11.
It should be noted that, the rotating mechanism 17 is not with being limited of being shown in scheming or for example gear connectsOr be hinged etc. employed in the present embodiment around fixed rotating shaft rotary folding mode, advantage is that positioning accurate parasexuality is good, is difficult productionLife misplaces and influences to operate with, and later maintenance (changing rotating shaft part or sleeve member) is easy to operate.
In the present embodiment, the mating surface 1221 of the first mating surface 1121 and second can be located at the rotating mechanism respectively17 both sides and it is correspondingly arranged, only needs relative rotation to make the first split between the first folded piece 11 and the second folded piece 12 to makeThe lucky split of 1121 and second mating surface of face 1221, without carrying out the motion along the axis direction again.
Optionally, opening, and first threaded portion are provided with the mating surface 1221 of the first mating surface 1121 and second112 and second threaded portion 122 respectively from the inside hollow out of respective opening, the mating surface 1221 of the first mating surface 1121 and secondOpening between connect, between hollow out connection form cavity；Also, the first connecting portion 111, second connecting portion 121, the first horn2 and second horn 3 inner hollow and can also be connected with the cavity, for unmanned vehicle of arranging rotor motor to nothingElectrical circuit of Human-machine Control device etc.；Certainly, in other embodiments, the mating surface 1221 of the first mating surface 1121 and secondIt can also be the solid construction for not setting hollow out.
As shown in Figures 1 to 5, first folded piece 11 or in other embodiments or it is described second foldPart 12) stop part 15 can be provided with, the stop part 15 is located at the first screw thread both sides respectively with the threaded fastener 14, withContinued to move to for threaded fastener described in block 14；Specifically, the stop part 15 includes protruding from the appearance of spiro column 13The convex portion (chimb, bulge loop, projection, raised line etc.) in face, the first screw thread is deviate to prevent the threaded fastener 14 from continuing to rotate.
As shown in Figures 1 to 5, first folded piece 11 (or in other embodiments, second folded piece 12) canA pedestal 16 is fixed with, the stop part 15 both can be set in it, may also set up the rotating mechanism 17.
As shown in Figures 4 and 5, show that the second folded piece 12 is rotated further to 90 along shown by arrow direction in Fig. 3 in Fig. 4Degree, the second folded piece 12 and the orthogonal state of the first folded piece 11；Show that the second folded piece 12 is along arrow in Fig. 4 in Fig. 55. direction is rotated further to maximum angle, compared to Fig. 2, and the second folded piece 12 in Fig. 5 is relative, the rotation of the first folded piece 11Angle is the obtuse angle more than 90 degree, and the rotatable maximum angle may, for example, be 160 degree, so as to realize the first folded piece 11With the folding of the second folded piece 12.
It should be noted that, although between the first folded piece 11 and the second folded piece 12 it is by rotating machine described in the present embodimentStructure 17 and the connection that can mutually rotate, still, in other embodiments, between the folded piece 12 of the first folded piece 11 and secondCan be connected by other movable devices, such as sliding equipment, gear drive, be not limited with the present embodiment.
According to the above, the present invention can provide a kind of embodiment of unmanned vehicle, and the unmanned vehicle can be such asFor rotor wing unmanned aerial vehicle etc., it includes at least one set of horn 3 (such as interior horn and outer boom) of first horn 2 and second, and including extremely(optional, every group of first horn 2 and the second horn 3 configure a foldable attachment means to few foldable attachment means 11), the first folded piece 11 of the foldable attachment means 1 is fixedly connected on first horn 2, and the second folded piece 12 is fixedIt is connected to second horn 3.
When using unmanned vehicle, the first folded piece 11 and the split of the second folded piece 12 can be formed the spiro column13, and then move threaded fastener 14 to be fixed；When needing to pack up the unmanned vehicle, the screw threads for fastening is releasedPart 14, activity second folded piece 12 is to make it mutually be folded with first folded piece 11.
In summary, foldable attachment means of the invention, including：First folded piece, provided with the first threaded portion；Second foldingOverlapping piece, provided with for the second threaded portion with first threaded portion split；Wherein, first threaded portion is spelled with the second threaded portionSynthesize the spiro column that the first screw thread is laid on a surface；Threaded fastener, it is movably arranged at first folded piece or secondFolded piece, its surface is provided with the second screw thread matched with first screw thread；The threaded fastener for activity to the spiral shellCylinder is socketed, and makes the first screw thread and the second screw thread be mutually twisted；The present invention realizes the threaded portion on multiple folded pieces of splitSplice the structure of simultaneously screw lock, can effectively make up fit clearance, lift product service life.
The present invention effectively overcomes various shortcoming of the prior art and has high industrial utilization.
The above-described embodiments merely illustrate the principles and effects of the present invention, not for the limitation present invention.It is any ripeKnow the personage of this technology all can carry out modifications and changes under the spirit and scope without prejudice to the present invention to above-described embodiment.CauseThis, those of ordinary skill in the art is complete without departing from disclosed spirit and institute under technological thought such asInto all equivalent modifications or change, should by the present invention claim be covered.