CN209070130U - Corner reflector - Google Patents

Abstract

The utility model provides a kind of corner reflector, belongs to reflection of electromagnetic wave technical field.It is not foldable that it solves existing corner reflector, there are problems that volume is big, is unfavorable for carrying.This corner reflector, including main framing, several flexible reflection cloth one along the secondary skeleton of main framing annular array distribution, between main framing and secondary skeleton and the flexible reflection cloth two between two adjacent pair skeletons, one end of main framing is equipped with hinged seat, one end of several pair skeletons is hinged on hinged seat, the outside of secondary skeleton is equipped with strap-on structure, is equipped with after strap-on structure is unlocked between secondary skeleton and hinged seat for making the driving structure of secondary skeleton Automatic-expanding.The utility model is shrinkable, foldable, have many advantages, such as it is small in size, light-weight, be conducive to carry, it is easy to operate.

Description

Corner reflector

Technical field

The utility model belongs to reflection of electromagnetic wave technical field, is related to a kind of corner reflector.

Background technique

Based on visible light, infrared light remote-sensing imaging system under certain regions and bad weather signal decaying it is serious, nothing Method perceives wounded's information.Ultra wide band UWB (Ultra Wide Band) synthetic aperture radar SAR (Synthetic Aperture Radar) the ability to work with good penetration power and round-the-clock round-the-clock, however because of the scattering resonance state RCS of human body (Radar Cross Section) may be much smaller than the RCS of environment, cause system that can not find wounded's information.Radar corner reflection Device (Corner Reflector) is the Three-dimensional Rigidity retroeflector being made up of sheet metal, can reflect the radio of radar Magnetoelectricity wave can be widely applied to lifesaving in danger and radar calibration and for necks such as the sourceless seism confrontation of enemy radar detection Domain.

For example, Chinese patent discloses a kind of four-quadrant combination angle reflector arrangement and its installation method [application publication number For CN107728286A], including corner reflector and support, for corner reflector on support, corner reflector includes bottom plate, long side Plate, left plate and right side plate, long side plate, left plate and right side plate are mutually orthogonal vertical to form four-quadrant combination corner reflector Device.The four-quadrant combination angle reflector arrangement has the following problems: using the bottom plate of rigid structure, long side plate, left plate and Right side plate, weight is big, and not foldable and contraction causes its volume big, is unfavorable for retinue and carries.

Utility model content

The purpose of this utility model is the presence of the above problem in view of the prior art, proposes one kind and is conducive to retinue carrying Corner reflector.

The purpose of this utility model can be realized by the following technical scheme:

Corner reflector including main framing, several secondary skeletons being distributed along main framing annular array, is set to main framing and secondary bone Flexible reflection cloth one between frame and the flexible reflection cloth two between two adjacent pair skeletons.It is characterized in that, the main bone One end of frame is equipped with hinged seat, and one end of several secondary skeletons is hinged on hinged seat, and the outside of the pair skeleton is equipped with bundle Stitch structure is equipped with after strap-on structure is unlocked for making the driving of secondary skeleton Automatic-expanding between the secondary skeleton and hinged seat Structure.

In this corner reflector, flexibility reflection cloth one is triangular in shape, three of them vertex is respectively with main framing far from hinged seat One end, secondary skeleton are fixedly connected far from one end of hinged seat with hinged seat；Flexibility reflection cloth two is triangular in shape, three of them vertex point Not one end and hinged seat far from hinged seat of the secondary skeleton adjacent with two is fixedly connected.Flexibility reflection cloth one and flexible reflection cloth two Surface be coated with good reflection of electromagnetic wave performance metal coating.When corner reflector is not switched on, each pair backbone winding hinge Contact is rocked to the state mutually to recline with main framing, and secondary skeleton and main framing are substantially parallel at this time, by strap-on structure by each pair Skeleton and main framing are held together.When needing to open, strap-on structure is unlocked, puts each secondary skeleton under the action of driving structure It moves to unfolded state.When corner reflector is in fully unfolded position, secondary skeleton is vertical with main framing, at this time flexible reflection cloth one It is tensioned, flexibility reflection cloth two is tensioned.To a certain extent, a pair of each secondary skeleton tool of flexible reflection cloth in tensioning state There is position-limiting action, it is ensured that secondary skeleton is vertical with main framing.In order to reduce own wt, quality is can be used in main framing and secondary skeleton Lighter material is made, such as carbon fibre material is selected to be made.

Have in above-mentioned corner reflector, on the hinged seat several equal with secondary skeleton quantity and along main framing axis To the card slot of extension, the card slot is arranged in a one-to-one correspondence with secondary skeleton and one end of the card slot has postive stop baffle, described Secondary skeleton be hinged in corresponding card slot by articulated shaft, when corner reflector is in fully unfolded position described in pair Skeleton is resisted against on postive stop baffle under the action of driving structure.

The width of card slot is slightly larger than the outer diameter of secondary skeleton, plays guide and limit to the rotation of secondary skeleton, is provided with simultaneously Postive stop baffle can limit the secondary skeleton in unfolded state, prevent secondary skeleton excessive relative to the pivot angle of main framing, together When also to prevent flexible reflection cloth one from being drawn bad, improve the service life of flexible reflection cloth to a certain extent.

In above-mentioned corner reflector, the driving structure includes the torsional spring being set on articulated shaft, the torsional spring One end acts on postive stop baffle, and the other end acts on secondary skeleton.

It is hinged in order to realize, location hole one is set in the side of card slot, the other side of card slot is equipped with opposite with location hole one Location hole two, turn on secondary skeleton integrally formed with the shaft one that can protrude into location hole one and can protruding into location hole two Axis two, shaft one and shaft two are coaxially disposed, and shaft one has together constituted with the articulated shaft of secondary skeleton with shaft two.Hinged seat is by moulding Material is made, and has certain moulding, shaft one is facilitated to enter in location hole one, and shaft two is also facilitated to enter in location hole two. At least provided with a torsional spring at each pair skeleton.Elastic force in order to guarantee secondary skeleton Automatic-expanding is enough, at each secondary skeleton Two torsional springs are set, and a torsional spring is set in shaft one, another torsional spring is set in shaft two.The twisting force of torsional spring exists On secondary skeleton, there is secondary skeleton to the trend rotated far from main framing around articulated shaft.

In above-mentioned corner reflector, the secondary skeleton is 4.At this point, two adjacent pair bones when being in unfolded state Angle between frame is 90 °, and flexibility reflection cloth one is 4, and flexibility reflection cloth two is 4.

In above-mentioned corner reflector, the axis hole one blocked with one end in the main framing, in the axis hole one It is equipped with extension rod one, the inner end of the axis hole one is equipped with the ejecting structure one acted on extension rod one, the extension rod Locking mechanism one is equipped between one and main framing.Axis hole one is blocked close to one end of hinged seat, and the length of extension rod one is less than axis The depth in hole one.When in one retraction axis hole one of extension rod, ejecting structure one is compressed, and locking mechanism one limits extension at this time The axial movement of bar one effectively reduces the axial length after corner reflector collapses.When unlocking locking mechanism, ejecting structure one Elastic force act on extension rod one, make extension rod one stretch out.

In above-mentioned corner reflector, the axis hole two blocked in the extension rod one with inner end, the axis hole two It is inside equipped with extension rod two, the inner end of the axis hole two is equipped with the ejecting structure two acted on extension rod two, the extension Locking mechanism two is equipped between bar two and extension rod one.Increase extended axis on the basis of extension rod one of extended axis hole one The extension rod two in hole two effectively reduces corner reflector when in two retraction axis hole two of extension rod, one retraction axis hole one of extension rod Axial length after gathering, it is easy to carry.

In above-mentioned corner reflector, the locking mechanism two includes the shrinkage pool on extension rod two and radially extended One, the outer end of the limited post one set on the reset spring one of one inner end of shrinkage pool and in shrinkage pool one, the reset spring one is supported On the inner end for leaning against limited post one, there is the radial through-hole one being coaxially disposed with shrinkage pool one on the extension rod one, it is described Limited post two is equipped in radial through-hole one, the inner end of the limited post two is equipped with elastic reset set one.

The inner end of elastic reset set one is resisted against on the ring-shaped step of one inner end of radial through-hole, and outer end is resisted against limited post There is the pushing part protruded into elastic reset set one, the outer diameter of the pushing part is less than or equal to limited post one on two, on limited post two Outer diameter.When corner reflector is in contraction state, in two retraction axis hole two of extension rod, at this time under the action of reset spring one Limited post one is extend into radial through-hole one, realizes the axial limiting of extension rod two.When needing to unlock, limited post two, bullet are pressed Property reset sleeve one shrink, by the press of limited post two make limited post one retract shrinkage pool one in, limited post one be detached from radial through-hole One, extension rod two can be axially moved in axis hole two at this time.

In above-mentioned corner reflector, the locking mechanism one includes above-mentioned limited post two, on main framing The radial through-hole two and the button one in radial through-hole two being coaxially disposed with radial through-hole two, the limited post two is in bullet Property reset sleeve one under the action of protrude into radial through-hole two axially position for realizing extension rod one.

Button one can be axially moved in radial through-hole two, but be provided with limit between the two, and button one can be prevented from diameter Deviate from into through-hole two.When corner reflector is in contraction state, in one retraction axis hole one of extension rod, at this time in elastic reset set Limited post two protrudes into radial through-hole two under the action of one, realizes the axial limiting of extension rod one.When needing to unlock, press by Button one makes one axially inward movement of button, and limited post two is pushed inwardly to move, and limited post two is deviate from out of radial through-hole two, simultaneously Limited post two squeezes limited post one, is fully retracted radial through-hole for the moment in limited post two, limited post one is fully retracted to shrinkage pool one Interior, extension rod one and extension rod two can be axially moved simultaneously at this time, reach unlocked state.

In above-mentioned corner reflector, be equipped with arc shrinkage pool one at the outer end of the axis hole one, the limited post two it is outer Holding has the arc cephalic par one being equipped with the arc shrinkage pool one；Arc shrinkage pool two is equipped at the outer end of the axis hole two, The outer end of the limited post one has the arc cephalic par two being equipped with the arc shrinkage pool two.

When corner reflector is in unfolded state, arc is caught in the elastic force effect arc lower cephalic par one of elastic reset set one In shape shrinkage pool one, prevent extension rod one from deviating from out of main framing；Arc cephalic par two is caught in arc under the action of reset spring one In shape shrinkage pool two, prevent extension rod two from deviating from out of secondary skeleton.It is axial when corner reflector changes from unfolded state to contraction state Extension rod one and extension rod two are firmly pressed, due to contacting for arc, arc cephalic par one is deviate from out of arc shrinkage pool one, arc Cephalic par two is deviate from out of arc shrinkage pool two.

In above-mentioned corner reflector, the ejecting structure one includes compressed spring one.Make the inner end of compressed spring one Used in the bottom of axis hole one, the outer end of compressed spring one is acted on the inner end of extension rod one.In order to have compressed spring one Bigger decrement can select the tower spring that inner end is big, outer end is small as compressed spring one.

In above-mentioned corner reflector, the ejecting structure two includes compressed spring two.Make the inner end of compressed spring two Used in the bottom of axis hole two, the outer end of compressed spring two is acted on the inner end of extension rod two.In order to have compressed spring two Bigger decrement can select the tower spring that inner end is big, outer end is small as compressed spring two.

In above-mentioned corner reflector, the axis hole three blocked with one end in the secondary skeleton, in the axis hole three It is equipped with extension rod three, the inner end of the axis hole three is equipped with the ejecting structure three acted on extension rod three, the extension rod Locking mechanism three is equipped between three and secondary skeleton.Axis hole three is blocked close to one end of hinged seat, and the length of extension rod three is less than axis The depth in hole three.When in three retraction axis hole three of extension rod, ejecting structure three is compressed, and locking mechanism three limits extension at this time The axial movement of bar three effectively reduces the axial length after corner reflector collapses.When unlocking locking mechanism, ejecting structure three Elastic force act on extension rod three, make extension rod three stretch out.

In above-mentioned corner reflector, the axis hole four blocked in the extension rod three with inner end, the axis hole four It is inside equipped with extension rod four, the inner end of the axis hole four is equipped with the ejecting structure four acted on extension rod four, the extension Locking mechanism four is equipped between bar four and extension rod three.Increase extended axis on the basis of extension rod three of extended axis hole three The extension rod four of Kong Si effectively reduces corner reflector when in four retraction axis hole four of extension rod, three retraction axis hole three of extension rod Axial length after gathering, it is easy to carry.

In above-mentioned corner reflector, the locking mechanism four includes the shrinkage pool on extension rod four and radially extended Two, the outer end of the limited post three set on the reset spring two of two inner end of shrinkage pool and in shrinkage pool two, the reset spring two is supported On the inner end for leaning against limited post three, there is the radial through-hole three being coaxially disposed with shrinkage pool two on the extension rod three, it is described Limited post four is equipped in radial through-hole three, the inner end of the limited post four is equipped with elastic reset set two.

The inner end of elastic reset set two is resisted against on the ring-shaped step of three inner end of radial through-hole, and outer end is resisted against limited post There is the pushing part protruded into elastic reset set two, the outer diameter of the pushing part is less than or equal to limited post three on four, on limited post four Outer diameter.When corner reflector is in contraction state, in four retraction axis hole four of extension rod, at this time under the action of reset spring two Limited post three is extend into radial through-hole three, realizes the axial limiting of extension rod four.When needing to unlock, limited post four, bullet are pressed Property reset sleeve two shrink, by the press of limited post four make limited post three retract shrinkage pool two in, limited post Three Cut Off's radial through-hole Three, extension rod four can be axially moved in axis hole four at this time.

In above-mentioned corner reflector, the locking mechanism three includes above-mentioned limited post four, on secondary skeleton The radial through-hole four and the button two in radial through-hole four being coaxially disposed with radial through-hole three, the limited post four is in bullet Property reset sleeve two under the action of protrude into radial through-hole four axially position for realizing extension rod three.

Button two can be axially moved in radial through-hole four, but be provided with limit between the two, and button two can be prevented from diameter Deviate from into through-hole four.When corner reflector is in contraction state, in three retraction axis hole three of extension rod, at this time in elastic reset set Limited post four protrudes into radial through-hole four under the action of two, realizes the axial limiting of extension rod three.When needing to unlock, press by Button two makes two axially inward movement of button, and limited post four is pushed inwardly to move, and limited post four is deviate from out of radial through-hole four, simultaneously Limited post four squeezes limited post three, and when limited post four is fully retracted radial through-hole three, limited post three is fully retracted to shrinkage pool two Interior, extension rod three and extension rod four can be axially moved simultaneously at this time, reach unlocked state.

In above-mentioned corner reflector, be equipped with arc shrinkage pool three at the outer end of the axis hole three, the limited post four it is outer Holding has the arc cephalic par three being equipped with the arc shrinkage pool three；Arc shrinkage pool four is equipped at the outer end of the axis hole four, The outer end of the limited post three has the arc cephalic par four being equipped with the arc shrinkage pool four.

When corner reflector is in unfolded state, arc is caught in the elastic force effect arc lower cephalic par three of elastic reset set two In shape shrinkage pool three, prevent extension rod three from deviating from out of secondary skeleton；Arc cephalic par four is caught in arc under the action of reset spring two In shape shrinkage pool four, prevent extension rod four from deviating from out of secondary skeleton.It is axial when corner reflector changes from unfolded state to contraction state Extension rod three and extension rod four are firmly pressed, due to contacting for arc, arc cephalic par three is deviate from out of arc shrinkage pool three, arc Cephalic par four is deviate from out of arc shrinkage pool four.

In above-mentioned corner reflector, the ejecting structure three includes compressed spring three.Make the inner end of compressed spring three Used in the bottom of axis hole three, the outer end of compressed spring three is acted on the inner end of extension rod three.In order to have compressed spring three Bigger decrement can select the tower spring that inner end is big, outer end is small as compressed spring three.

In above-mentioned corner reflector, the ejecting structure four includes compressed spring four.Make the inner end of compressed spring four Used in the bottom of axis hole four, the outer end of compressed spring four is acted on the inner end of extension rod four.In order to have compressed spring four Bigger decrement can select the tower spring that inner end is big, outer end is small as compressed spring four.

In above-mentioned corner reflector, the strap-on structure includes that side is equipped with the band of several anti-back teeth and is set to bundle Deck with one end has the through slot passed through for band in the deck, is equipped in the through slot and cooperates with anti-back tooth Retaining protrusion, the deck are equipped with unlocking structure.

When in use, the free end of band is inserted into through slot, is surrounded one for bundling the lasso of several secondary skeletons, is drawn Dynamic band can make the perimeter of lasso become smaller, and be bundled into several secondary skeletons together to realize.It can need that corner reflector is unfolded When, unlocking structure is fallen in unlock, makes several secondary skeleton automatic swings to unfolded state, easy to operate.

In above-mentioned corner reflector, the unlocking structure includes the fluting be connected with through slot on deck, institute The width for stating fluting is less than the width of through slot, and the width of the band is less than the width of fluting, and the two sides of the band are equipped with edge The retention bead that the width direction of band extends, the width of the retention bead are greater than the width of fluting.In normal bundle status Under, retention bead be located at played in through slot limitation band from fluting abjection purpose further pull on bundle when needing to unlock Band deviates from retention bead from one end of through slot, then pulls out band, makes band abjection, band and deck out of fluting Separation, unlocking structure lose binding effect.

In above-mentioned corner reflector, the button two is located at the side that band is contacted with secondary skeleton, the secondary bone Frame is equipped with the binding platform for the setting that reclines with button two, and the binding platform is equipped with positioning surface and inclined guide surface, described The distance of positioning surface to secondary skeleton is greater than the outer end face of button two to the maximum distance of secondary skeleton, and the guide surface is by positioning surface It extends at the outer end face of button.

Binding platform is located at side of the button two far from hinged seat.When corner reflector is in folded state, the binding of band Position is located on the positioning surface of several binding platforms, and retention bead is located in through slot at this time.When needing to unlock, along corner reflector It is axial to pull band, it moves to band on guide surface by positioning surface, (or utilizes torsional spring with to the pulling on of band Elastic force moves band along guide surface), band moves on the outer end face of several buttons two, further pulls on band, makes to cover The perimeter of circle becomes smaller, and several buttons two are pressed into radial through-hole four, and extension rod three and extension rod four pop up.When button two is complete When in into radial through-hole four, retention bead is just deviate from out of through slot, pulls out band at this time, keeps band de- out of fluting Out, each secondary skeleton Automatic-expanding under the elastic force effect of torsional spring, flexibility reflection cloth two is opened.When each secondary skeleton is fully extended to Behind position, then the button one being manually pressed by main framing, extension rod one and extension rod two are popped up, flexibility reflection cloth one is opened.

Compared with prior art, this corner reflector has the advantage that

Several secondary skeletons are bundled into together by band, axial pull along corner reflector is only needed to prick when needing to be unfolded Band can be unlocked while popping up secondary intraskeletal extension rod three and extension rod four, realize the expansion of secondary skeleton, grasped by band Make very convenient；Corner reflector it is light-weight, when gathering, is small in size, easy to carry.

Detailed description of the invention

Fig. 1 is structural schematic diagram when corner reflector is unfolded in embodiment one provided by the utility model.

Fig. 2 is cross-sectional view when corner reflector is unfolded in embodiment one provided by the utility model.

Fig. 3 is cross-sectional view when one middle main bone frame of embodiment provided by the utility model is shunk.

Fig. 4 is cross-sectional view when one middle main bone frame of embodiment provided by the utility model stretches out.

Fig. 5 is enlarged diagram at A in Fig. 3 provided by the utility model.

Cross-sectional view when Fig. 6 is secondary framework shrinkage in embodiment one provided by the utility model.

Fig. 7 is enlarged diagram at B in Fig. 6 provided by the utility model.

Fig. 8 is the cross-sectional view of strap-on structure in embodiment one provided by the utility model.

Fig. 9 is the top view of strap-on structure in embodiment one provided by the utility model.

Figure 10-12 is the working state figure of strap-on structure in embodiment one provided by the utility model.

Figure 13 is the structural schematic diagram of embodiment two provided by the utility model.

Figure 14 is the cross-sectional view of embodiment two provided by the utility model.

In figure, 1, main framing；2, secondary skeleton；3, flexible reflection cloth one；4, flexible reflection cloth two；5, hinged seat；6, card slot； 7, postive stop baffle；8, axis hole one；9, extension rod one；10, axis hole two；11, extension rod two；12, shrinkage pool one；13, reset spring one； 14, limited post one；15, limited post two；16, elastic reset set one；17, button one；18, arc shrinkage pool one；19, arc shrinkage pool Two；20, compressed spring one；21, compressed spring two；22, extension rod three；23, extension rod four；24, shrinkage pool two；25, reset spring Two；26, limited post three；27, limited post four；28, elastic reset set two；29, button two；30, arc shrinkage pool three；31, arc is recessed Kong Si；32, compressed spring three；33, compressed spring four；34, anti-back tooth；35, band；36, deck；37, through slot；38, retaining is convex It rises；39, it slots；40, retention bead；41, platform is bundled；42, positioning surface；43, guide surface.

Specific embodiment

It is specific embodiment of the utility model and in conjunction with attached drawing below, the technical solution of the utility model is made further Description, but the utility model is not limited to these examples.

Embodiment one

Corner reflector as shown in Figure 1 including main framing 1, several secondary skeletons 2 being distributed along 1 annular array of main framing, is set Flexible reflection cloth 1 between main framing 1 and secondary skeleton 2 and the flexible reflection cloth 24 between two adjacent pair skeletons 2. As shown in Fig. 2, one end of main framing 1 is equipped with hinged seat 5, one end of several pair skeletons 2 is hinged on hinged seat 5, secondary skeleton 2 Outside is equipped with strap-on structure, is equipped with after strap-on structure is unlocked between secondary skeleton 2 and hinged seat 5 for making the secondary exhibition automatically of skeleton 2 The driving structure opened.

In this corner reflector, flexibility reflection cloth 1 is triangular in shape, three of them vertex is respectively with main framing 1 far from hinged seat 5 One end, the secondary one end of skeleton 2 far from hinged seat 5 is fixedly connected with hinged seat 5；Flexibility reflection cloth 24 is triangular in shape, three of them Secondary skeleton 2 one end and hinged seat 5 far from hinged seat 5 adjacent with two is fixedly connected respectively on vertex.Flexibility reflection cloth 1 with it is soft The surface of sexual reflex cloth 24 is coated with the metal coating with good reflection of electromagnetic wave performance.When corner reflector is not switched on, respectively Secondary skeleton 2 is rocked to the state to recline with 1 phase of main framing around hinge joint, and secondary skeleton 2 and main framing 1 are substantially parallel at this time, passes through Each secondary skeleton 2 and main framing 1 are held together by strap-on structure.When needing to open, strap-on structure is unlocked, in the work of driving structure Each secondary skeleton 2 is set to be rocked to unfolded state under.When corner reflector is in fully unfolded position, secondary skeleton 2 hangs down with main framing 1 Directly, flexible reflection cloth 1 is tensioned at this time, and flexibility reflection cloth 24 is tensioned.To a certain extent, in the soft of tensioning state One 3 pairs of sexual reflex cloth each secondary skeletons 2 have position-limiting action, it is ensured that secondary skeleton 2 is vertical with main framing 1.In order to reduce itself weight The material that lighter weight can be used in amount, main framing 1 and secondary skeleton 2 is made, such as carbon fibre material is selected to be made.

In the present embodiment, as shown in Figure 1, secondary skeleton 2 is 4.At this point, two adjacent pair skeletons 2 when being in unfolded state Between angle be 90 °, flexibility reflection cloth 1 be 4, flexibility reflection cloth 24 be 4.

As shown in Fig. 2, having several card slots equal and axially extending along main framing 1 with secondary 2 quantity of skeleton on hinged seat 5 6, card slot 6 is arranged in a one-to-one correspondence with secondary skeleton 2 and one end of card slot 6 has postive stop baffle 7, and secondary skeleton 2 is hinged by articulated shaft In corresponding card slot 6, when corner reflector is in fully unfolded position pair skeleton 2 under the action of driving structure against On postive stop baffle 7.The width of card slot 6 is slightly larger than the outer diameter of secondary skeleton 2, plays guide and limit to the rotation of secondary skeleton 2, together When be provided with postive stop baffle 7, can be limited in the secondary skeleton 2 of unfolded state, prevent secondary skeleton 2 relative to main framing 1 Pivot angle it is excessive, while it is bad also to prevent flexible reflection cloth 1 from being drawn, and improves the use of flexible reflection cloth to a certain extent Service life.

In the present embodiment, driving structure includes the torsional spring being set on articulated shaft, and one end of torsional spring acts on postive stop baffle 7 On, the other end acts on secondary skeleton 2.

It is hinged in order to realize, location hole one is set in the side of card slot 6, the other side of card slot 6 is equipped with and one phase of location hole Pair location hole two, integrally formed with the shaft one that can protrude into location hole one and can be protruded into location hole two on secondary skeleton 2 Shaft two, shaft one and shaft two be coaxially disposed, and shaft one and shaft two have together constituted with the articulated shaft of secondary skeleton 2.Hingedly Seat 5 is made of plastics, and has certain moulding, shaft one is facilitated to enter in location hole one, and shaft two is also facilitated to enter positioning In hole two.At least provided with a torsional spring at each pair skeleton 2.Elastic force in order to guarantee secondary 2 Automatic-expanding of skeleton is enough, each Two torsional springs are set at secondary skeleton 2, and a torsional spring is set in shaft one, another torsional spring is set in shaft two.Torsional spring Twisting force has secondary skeleton 2 to the trend rotated far from main framing 1 around articulated shaft on secondary skeleton 2.

As shown in Figure 3 and Figure 4, there is the axis hole 1 of one end closure in main framing 1, be equipped with extension rod one in axis hole 1 9, the inner end of axis hole 1 is equipped with the ejecting structure one acted on extension rod 1, and lock is equipped between extension rod 1 and main framing 1 Locking structure one.Axis hole 1 is blocked close to one end of hinged seat 5, and the length of extension rod 1 is less than the depth of axis hole 1.Work as extension When in one 9 retraction axis hole 1 of bar, ejecting structure one is compressed, and locking mechanism one limits the axial fortune of extension rod 1 at this time It is dynamic, effectively reduce the axial length after corner reflector collapses.When unlocking locking mechanism, the elastic force of ejecting structure one is acted on On extension rod 1, stretch out extension rod 1.

As shown in Figure 3 and Figure 4, there is the axis hole 2 10 of inner end closure in extension rod 1, be equipped with extension in axis hole 2 10 Bar 2 11, the inner end of axis hole 2 10 are equipped with the ejecting structure two acted on extension rod 2 11, extension rod 2 11 and extension rod 1 Between be equipped with locking mechanism two.Increase the extension of extended axis hole 2 10 on the basis of extension rod 1 of extended axis hole 1 Bar 2 11 effectively reduces corner reflector receipts when in 2 11 retraction axis hole 2 10 of extension rod, one 9 retraction axis hole 1 of extension rod Axial length after holding together, it is easy to carry.

As shown in figure 5, locking mechanism two includes the shrinkage pool 1 on extension rod 2 11 and radially extended, is set to shrinkage pool The reset spring 1 of one 12 inner ends and the limited post 1 in shrinkage pool 1, the outer end of reset spring 1 are resisted against limit On the inner end of position column 1, there is the radial through-hole one being coaxially disposed with shrinkage pool 1 on extension rod 1, set in radial through-hole one There is limited post 2 15, the inner end of limited post 2 15 is equipped with elastic reset set 1.

The inner end of elastic reset set 1 is resisted against on the ring-shaped step of one inner end of radial through-hole, and outer end is resisted against limit There is the pushing part protruded into elastic reset set 1, the outer diameter of the pushing part is less than or equal on column 2 15, on limited post 2 15 The outer diameter of limited post 1.When corner reflector is in contraction state, in 2 11 retraction axis hole 2 10 of extension rod, resetting at this time Limited post 1 is extend into radial through-hole one under the action of spring 1, realizes the axial limiting of extension rod 2 11.It needs to solve When lock, limited post 2 15 is pressed, elastic reset set 1 is shunk, and retracts limited post 1 by the press of limited post 2 15 recessed In hole 1, limited post 1 is detached from radial through-hole one, and extension rod 2 11 can be axially moved in axis hole 2 10 at this time.

As shown in figure 5, locking mechanism one include above-mentioned limited post 2 15, on main framing 1 with radial through-hole two The radial through-hole two of coaxial arrangement and the button 1 in radial through-hole two, limited post 2 15 is in elastic reset set 1 It is protruded under effect in radial through-hole two and realizes the axially position of extension rod 1.

Button 1 can be axially moved in radial through-hole two, but be provided with limit between the two, can prevent button 1 Deviate from out of radial through-hole two.When corner reflector is in contraction state, in one 9 retraction axis hole 1 of extension rod, at this time in elasticity Limited post 2 15 protrudes into radial through-hole two under the action of reset sleeve 1, realizes the axial limiting of extension rod 1.When needing to solve When lock, pressing lower button 1 makes one 17 axially inward movement of button, and limited post 2 15 is pushed inwardly to move, and limited post 2 15 is from diameter Deviate from into through-hole two, while limited post 2 15 squeezes limited post 1, be fully retracted radial through-hole for the moment in limited post 2 15, Limited post 1 is fully retracted in shrinkage pool 1, and extension rod 1 and extension rod 2 11 can be axially moved simultaneously at this time, reaches solution Lock status.

As shown in figure 3, be equipped with arc shrinkage pool 1 at the outer end of axis hole 1, the outer end of the limited post 2 15 have with The arc cephalic par one that the arc shrinkage pool 1 is equipped with；Arc shrinkage pool 2 19, institute are equipped at the outer end of the axis hole 2 10 The outer end for stating limited post 1 has the arc cephalic par two being equipped with the arc shrinkage pool 2 19.

When corner reflector is in unfolded state, it is caught in the elastic force effect arc lower cephalic par one of elastic reset set 1 In arc shrinkage pool 1, prevent extension rod 1 from deviating from out of main framing 1；Arc cephalic par under the action of reset spring 1 Two are caught in arc shrinkage pool 2 19, prevent extension rod 2 11 from deviating from out of secondary skeleton 2.Corner reflector is from unfolded state to contraction-like When state changes, axial firmly pressing extension rod 1 and extension rod 2 11, due to contacting for arc, arc cephalic par one is from arc Abjection, arc cephalic par two are deviate from out of arc shrinkage pool 2 19 in shrinkage pool 1.

As shown in Figure 3 and Figure 4, ejecting structure one includes compressed spring 1.The inner end of compressed spring 1 acts on axis The bottom in hole 1, the outer end of compressed spring 1 act on the inner end of extension rod 1.In order to have compressed spring 1 Bigger decrement can select the tower spring that inner end is big, outer end is small as compressed spring 1.

As shown in Figure 3 and Figure 4, ejecting structure two includes compressed spring 2 21.The inner end of compressed spring 2 21 acts on axis The bottom in hole 2 10, the outer end of compressed spring 2 21 act on the inner end of extension rod 2 11.In order to have compressed spring 2 21 There is bigger decrement, the tower spring that inner end is big, outer end is small can be selected as compressed spring 2 21.

As shown in fig. 6, having the axis hole three of one end closure in secondary skeleton 2, extension rod 3 22, axis hole are equipped in axis hole three Three inner end is equipped with the ejecting structure three acted on extension rod 3 22, and locking knot is equipped between extension rod 3 22 and secondary skeleton 2 Structure three.Axis hole three is blocked close to one end of hinged seat 5, and the length of extension rod 3 22 is less than the depth of axis hole three.When extension rod three When in 22 retraction axis holes three, ejecting structure three is compressed, and locking mechanism three limits the axial movement of extension rod 3 22 at this time, is had Effect reduces the axial length after corner reflector collapses.When unlocking locking mechanism, the elastic force of ejecting structure three acts on extension On bar 3 22, stretch out extension rod 3 22.

As shown in fig. 6, having the axis hole four of inner end closure in extension rod 3 22, it is equipped with extension rod 4 23 in axis hole four, The inner end of axis hole four is equipped with the ejecting structure four acted on extension rod 4 23, is equipped between extension rod 4 23 and extension rod 3 22 Locking mechanism four.The extension rod 4 23 for increasing extended axis hole four on the basis of extension rod 3 22 of extended axis hole three, when When in 4 23 retraction axis hole four of extension rod, 3 22 retraction axis hole three of extension rod, the axial direction after corner reflector collapses is effectively reduced Length, it is easy to carry.

As shown in fig. 7, locking mechanism four includes the shrinkage pool 2 24 on extension rod 4 23 and radially extended, is set to shrinkage pool The reset spring 2 25 of 2 24 inner ends and the limited post 3 26 in shrinkage pool 2 24, the outer end of reset spring 2 25 are resisted against limit On the inner end of position column 3 26, there is the radial through-hole three that is coaxially disposed with shrinkage pool 2 24 on extension rod 3 22, in radial through-hole three Equipped with limited post 4 27, the inner end of limited post 4 27 is equipped with elastic reset set 2 28.

The inner end of elastic reset set 2 28 is resisted against on the ring-shaped step of three inner end of radial through-hole, and outer end is resisted against limit There is the pushing part protruded into elastic reset set 2 28, the outer diameter of the pushing part is less than or equal on column 4 27, on limited post 4 27 The outer diameter of limited post 3 26.When corner reflector is in contraction state, in 4 23 retraction axis hole four of extension rod, bullet is being resetted at this time Limited post 3 26 is extend into radial through-hole three under the action of spring 2 25, realizes the axial limiting of extension rod 4 23.It needs to unlock When, limited post 4 27 is pressed, elastic reset set 2 28 is shunk, and so that limited post 3 26 is retracted shrinkage pool by the press of limited post 4 27 In 2 24, limited post 3 26 is detached from radial through-hole three, and extension rod 4 23 can be axially moved in axis hole four at this time.

As shown in fig. 7, locking mechanism three include above-mentioned limited post 4 27, on secondary skeleton 2 with radial through-hole three The radial through-hole four of coaxial arrangement and the button 2 29 in radial through-hole four, limited post 4 27 is in elastic reset set 2 28 It is protruded under effect in radial through-hole four and realizes the axially position of extension rod 3 22.

Button 2 29 can be axially moved in radial through-hole four, but be provided with limit between the two, can prevent button 2 29 Deviate from out of radial through-hole four.When corner reflector is in contraction state, in 3 22 retraction axis hole three of extension rod, at this time in elasticity Limited post 4 27 protrudes into radial through-hole four under the action of reset sleeve 2 28, realizes the axial limiting of extension rod 3 22.Work as needs When unlock, pressing lower button 2 29 makes 2 29 axially inward movement of button, and limited post 4 27 is pushed inwardly to move, limited post 4 27 from Abjection in radial through-hole four, while limited post 4 27 squeezes limited post 3 26, is fully retracted radial through-hole three in limited post 4 27 When, limited post 3 26 is fully retracted in shrinkage pool 2 24, and extension rod 3 22 and extension rod 4 23 can be axially moved simultaneously at this time, is reached To unlocked state.

As shown in fig. 6, being equipped with arc shrinkage pool 3 30 at the outer end of axis hole three, the outer end of limited post 4 27 has and the arc The arc cephalic par three that shrinkage pool 3 30 is equipped with；Be equipped with arc shrinkage pool 4 31 at the outer end of axis hole four, limited post 3 26 it is outer Holding has the arc cephalic par four being equipped with the arc shrinkage pool 4 31.

When corner reflector is in unfolded state, it is caught in the elastic force effect arc lower cephalic par three of elastic reset set 2 28 In arc shrinkage pool 3 30, prevent extension rod 3 22 from deviating from out of secondary skeleton 2；Arc cephalic par under the action of reset spring 2 25 Four are caught in arc shrinkage pool 4 31, prevent extension rod 4 23 from deviating from out of secondary skeleton 2.Corner reflector is from unfolded state to contraction-like When state changes, axial firmly pressing extension rod 3 22 and extension rod 4 23, due to contacting for arc, arc cephalic par three is from arc Abjection, arc cephalic par four are deviate from out of arc shrinkage pool 4 31 in shrinkage pool 3 30.

As shown in fig. 6, ejecting structure three includes compressed spring 3 32.The inner end of compressed spring 3 32 acts on axis hole three Bottom, the outer end of compressed spring 3 32 act on the inner end of extension rod 3 22.It is bigger in order to have compressed spring 3 32 Decrement can select the tower spring that inner end is big, outer end is small as compressed spring 3 32.

As shown in fig. 6, ejecting structure four includes compressed spring 4 33.The inner end of compressed spring 4 33 acts on axis hole four Bottom, the outer end of compressed spring 4 33 act on the inner end of extension rod 4 23.It is bigger in order to have compressed spring 4 33 Decrement can select the tower spring that inner end is big, outer end is small as compressed spring 4 33.

As shown in figure 8, strap-on structure includes that side is equipped with the band 35 of several anti-back teeth 34 and set on 35 one end of band Deck 36, deck 36 is interior to have the through slot 37 passed through for band 35, and the retaining protrusion cooperated with anti-back tooth 34 is equipped in through slot 37 38, deck 36 is equipped with unlocking structure.When in use, the free end of band 35 is inserted into through slot 37, surrounds one for tying The lasso for tying up several secondary skeletons 2, pulls band 35 that the perimeter of lasso can be made to become smaller, and is bundled into several secondary skeletons 2 to realize Together.Unlocking structure can be unlocked when needing to be unfolded corner reflector, make several secondary 2 automatic swings of skeleton to unfolded state, behaviour Facilitate.

As shown in Figure 8 and Figure 9, unlocking structure includes the fluting 39 be connected with through slot 37 on deck 36, fluting 39 Width be less than the width of through slot 37, the width of band 35 is less than the width of fluting 39, and the two sides of band 35 are equipped with along band 35 The retention bead 40 that extends of width direction, the width of retention bead 40 is greater than the width of fluting 39.Under normal bundle status, Retention bead 40, which is located at, plays the purpose that limitation band 35 is deviate from from fluting 39 in through slot 37, when needing to unlock, further drawing Dynamic band 35, deviates from retention bead 40 from one end of through slot 37, then pulls out band 35, makes band 35 out of fluting 39 Abjection, band 35 are separated with deck 36, and unlocking structure loses binding effect.

As shown in figs. 10-12, button 2 29 is located at the side that band 35 is contacted with secondary skeleton 2, and secondary skeleton 2 is equipped with and presses Button 2 29 reclines the binding platform 41 of setting, and binding platform 41 is equipped with positioning surface 42 and inclined guide surface 43, positioning surface 42 to pair The distance of skeleton 2 be greater than button 2 29 outer end face to secondary skeleton 2 maximum distance, guide surface 43 by positioning surface 42 extend to by At the outer end face of button.

Binding platform 41 is located at side of the button 2 29 far from hinged seat 5.When corner reflector is in folded state, such as Figure 10 Shown, the binding position of band 35 is located on the positioning surface 42 of several binding platforms 41, and retention bead 40 is located in through slot 37 at this time. When needing to unlock, axially band 35 is pulled to move to band 35 by positioning surface 42 as shown in figure 11 and lead along corner reflector To on face 43, with pulling on (or moving band 35 along guide surface 43 using the elastic force of torsional spring) to band 35, Band 35 moves on the outer end face of several buttons 2 29, further pulls on band 35, and the perimeter of lasso is made to become smaller, such as Figure 12 institute Show, several buttons 2 29 are pressed into radial through-hole four, extension rod 3 22 and extension rod 4 23 pop up.When button 2 29 completely into When entering in radial through-hole four, retention bead 40 is just deviate from out of through slot 37, pulls out band 35 at this time, makes band 35 from opening Abjection in slot 39, each pair skeleton 2 Automatic-expanding under the elastic force effect of torsional spring, flexibility reflection cloth 24 is opened.When each secondary skeleton After 2 are fully deployed in place, then the button 1 being manually pressed by main framing 1, extension rod 1 and extension rod 2 11 are popped up, it will Flexibility reflection cloth 1 opens.

Embodiment two

The structural principle of the present embodiment is essentially identical with the structural principle of embodiment one, and different places is, is using When, two corner reflectors are grouped together use, specifically, as shown in figure 14, hinged seat 5 is 2 and the setting that mutually reclines, The attachments such as welding can be selected in its set-up mode, and two hinged seats 5 are symmetrical arranged.1 master is equipped on each hinged seat 5 Skeleton 1, two main framings 1 are symmetrical arranged, and are hinged on each hinged seat 5 by several along the distribution of 1 annular array of main framing The secondary skeleton group that secondary skeleton 2 is constituted, two secondary skeleton groups are symmetrical arranged.Between secondary skeleton 2 and the main framing 1 for setting of being corresponding to it Cloth 1 is reflected equipped with flexibility, is equipped with flexible reflection cloth two in same pair skeleton group between two adjacent secondary skeletons 2.Shape is unfolded in it State is as shown in Figure 13 and Figure 14, is substantially in octagon after expansion, has 24 reflectings surface.

The specific embodiments described herein are merely examples of the spirit of the present invention.The utility model institute Belonging to those skilled in the art can make various modifications or additions to the described embodiments or using similar Mode substitute, but without departing from the spirit of the present application or beyond the scope of the appended claims.

Claims (10)

1. a kind of corner reflector including main framing (1), several secondary skeletons (2) being distributed along main framing (1) annular array, is set to Flexible reflection cloth one (3) between main framing (1) and secondary skeleton (2) and the flexibility between two adjacent pair skeletons (2) reflect Cloth two (4), which is characterized in that one end of the main framing (1) is equipped with hinged seat (5), one end hinge of several secondary skeletons (2) Connect on hinged seat (5), the outside of the pair skeleton (2) is equipped with strap-on structure, the secondary skeleton (2) and hinged seat (5) it Between be equipped with and be used to make the driving structure of secondary skeleton (2) Automatic-expanding when strap-on structure is unlocked after.

2. corner reflector according to claim 1, which is characterized in that have several and secondary bone on the hinged seat (5) Equal and axially extending along main framing (1) card slot (6) of frame (2) quantity, the card slot (6) and secondary skeleton (2) correspond It is arranged and one end of the card slot (6) has postive stop baffle (7), it is right therewith that the secondary skeleton (2) is hinged on by articulated shaft In the card slot (6) answered, when corner reflector is in fully unfolded position described in secondary skeleton (2) supported under the action of driving structure It leans against on postive stop baffle (7).

3. corner reflector according to claim 2, which is characterized in that the driving structure includes being set on articulated shaft Torsional spring, one end of the torsional spring acts on postive stop baffle (7), and the other end acts on secondary skeleton (2).

4. corner reflector according to claim 1 or 2 or 3, which is characterized in that have one end in the main framing (1) The axis hole one (8) of closure, the axis hole one (8) is interior to be equipped with extension rod one (9), and the inner end of the axis hole one (8), which is equipped with, to be made Ejecting structure one on extension rod one (9) is equipped with locking mechanism one between the extension rod one (9) and main framing (1)； The axis hole two (10) blocked in the extension rod one (9) with inner end, the axis hole two (10) is interior to be equipped with extension rod two (11), the inner end of the axis hole two (10) is equipped with the ejecting structure two acted on extension rod two (11), the extension rod two (11) locking mechanism two is equipped between extension rod one (9).

5. corner reflector according to claim 4, which is characterized in that the locking mechanism two includes being set to extension rod two (11) on and radially extend shrinkage pool one (12), be set to shrinkage pool one (12) inner end reset spring one (13) and be set to shrinkage pool one (12) outer end of the limited post one (14) in, the reset spring one (13) is resisted against on the inner end of limited post one (14), described Extension rod one (9) on there is the radial through-hole one that be coaxially disposed with shrinkage pool one (12), be equipped with and limit in the radial through-hole one Position column two (15), the inner end of the limited post two (15) are equipped with elastic reset and cover one (16).

6. corner reflector according to claim 5, which is characterized in that the locking mechanism one includes above-mentioned limited post Two (15), be set to main framing (1) on radial through-hole two be coaxially disposed radial through-hole two and in radial through-hole two Button one (17), the limited post two (15) protrude into realization in radial through-hole two under the action of elastic reset covers one (16) and prolong The axially position of boom one (9).

7. corner reflector according to claim 1 or 2 or 3, which is characterized in that have one end in the secondary skeleton (2) The axis hole three of closure is equipped with extension rod three (22) in the axis hole three, and the inner end of the axis hole three, which is equipped with, acts on extension Ejecting structure three on bar three (22) is equipped with locking mechanism three between the extension rod three (22) and secondary skeleton (2), described There is the axis hole four of inner end closure in extension rod three (22), be equipped with extension rod four (23), the axis hole in the axis hole four Four inner end is equipped with the ejecting structure four acted on extension rod four (23), the extension rod four (23) and extension rod three (22) Between be equipped with locking mechanism four.

8. corner reflector according to claim 7, which is characterized in that the locking mechanism four includes being set to extension rod four (23) on and radially extend shrinkage pool two (24), be set to shrinkage pool two (24) inner end reset spring two (25) and be set to shrinkage pool two (24) outer end of the limited post three (26) in, the reset spring two (25) is resisted against on the inner end of limited post three (26), described Extension rod three (22) on there is the radial through-hole three that be coaxially disposed with shrinkage pool two (24), be equipped with and limit in the radial through-hole three Position column four (27), the inner end of the limited post four (27) are equipped with elastic reset and cover two (28).

9. corner reflector according to claim 8, which is characterized in that the locking mechanism three includes above-mentioned limited post Four (27), the radial through-hole four being coaxially disposed with radial through-hole three being set on secondary skeleton (2) and in radial through-hole four Button two (29), the limited post four (27) protrude into realization in radial through-hole four under the action of elastic reset covers two (28) and prolong The axially position of boom three (22).

10. corner reflector according to claim 1 or 2 or 3, which is characterized in that the strap-on structure includes that side is set There is the band (35) of several anti-back teeth (34) and be set to the deck (36) of band (35) one end, has in the deck (36) and supply The through slot (37) that band (35) passes through, the interior retaining cooperated with anti-back tooth (34) that is equipped with of the through slot (37) is raised (38), institute The deck (36) stated is equipped with unlocking structure.