A kind of backrest device and LED displayTechnical field
The present invention relates to LED display mounting technology field, in particular to a kind of backrest device and LED display.
Background technique
Currently, large-scale outdoor LED display generallys use the combining form that backrest adds LED box, pass through back frame structureSupport LED box, and traditional backrest such as day cabinet frame is mostly that setting angle adjusts dress on cabinet without angle adjustment deviceIt sets, is limited so that adjusting angle, meanwhile, existing backrest is mostly one section one section and is spliced, by manpower or other liftingsMachinery is completed, and is increased cost of labor and is used machine cost.
Summary of the invention
It is a primary object of the present invention to propose a kind of backrest device and LED display, traditional backrest tune is aimed to solve the problem thatSection angle is limited, lifting is inconvenient to the problems such as being easy to increase cost of labor and using machine cost.
To achieve the above object, the present invention provides a kind of backrest device, and the backrest device includes several arranged side by sideBackrest module；The backrest module includes the first backrest unit, the second backrest unit and pedestal, and the second backrest unit canDismantling connection passes through a multi link elevator on the pedestal between the first backrest unit and the second backrest unitStructure is flexibly connected；It is lived between the pedestal of the adjacent backrest module by a multi link angle adjusting mechanism two-by-twoDynamic connection, so that each multi link angle adjusting mechanism drives a backrest by the micrometer regulating part of a line with a scaleThe relatively adjacent another backrest module of module carries out arcuate movement.
Optionally, the multi link angle adjusting mechanism further include the first long connecting rod, the second long connecting rod, the first short connecting rod withAnd second short connecting rod, first long connecting rod and second long connecting rod staggeredly rotate setting；One end of first long connecting rodAnd one end of second long connecting rod passes through the pedestal carry out activity company of the micrometer regulating part and a backrest module respectivelyIt connects；The other end of first long connecting rod and the pedestal of adjacent another backrest module are connected with first short connecting rod,The other end of second long connecting rod and the pedestal of adjacent another backrest module are connected with second short connecting rod, and eachJunction is rotation connection.
Optionally, it is staggered between the middle part of first long connecting rod and the middle part of second long connecting rod, and the twoBetween be rotatablely connected by a long pin shaft.
Optionally, the multi link elevating mechanism include vertical links, waling stripe, two first connecting rods, two second connecting rods,Two first fixed quarter butts and two second fixed quarter butts；The pedestal is equipped with connecting rod far from the second backrest unit sideMovable mounting groove, with corresponding one end for installing the vertical links；In the middle part of the waling stripe and the vertical linksPortion is rotatablely connected；The two first fixed quarter butts are opposite to be installed in the lower part of the first backrest unit, and described two secondFixed quarter butt is opposite to be installed in the top of the second backrest unit；The middle part of the first connecting rod is equipped with overhead structure, so thatThe first connecting rod includes first end, second end and third end；The bottom of the second connecting rod is equipped with overhead structure, so that describedSecond connecting rod includes first end and second end；The waling stripe, an institute are connected between the third end of two first connecting rodsIt states and is connected with one described first fixed quarter butt between the first end of first connecting rod and the first end of an adjacent second connecting rod,It is fixed that one described second is connected between the second end of one first connecting rod and the second end of an adjacent second connecting rodQuarter butt, and each junction is rotation connection.
Optionally, pass through several detachable waters between the first backrest unit and adjacent the second backrest unitFlushconnection plate is fastenedly connected.
Optionally, the first backrest list of the first backrest unit of the backrest module and adjacent another backrest moduleIt is fastenedly connected between member by several detachable angle connecting boards；Second backrest unit of the backrest module with it is adjacentAnother backrest module the second backrest unit between be fastenedly connected by several detachable angle connecting boards.
Optionally, the pedestal is supported by several Castor structures.
Optionally, the first backrest unit and the second backrest unit respectively include driving platform and several framesEvery one side of frame, the driving platform connects with a frame setting.
In addition, to achieve the above object, the present invention also provides a kind of LED display, the LED display includes severalCorresponding install on one side of LED box and above-mentioned backrest device, each frame fixes a LED box.
Optionally, the driving platform is built-in with power module, HUB plate and receives card, to pass through the driving platformElectric power confession is carried out in multiple LED boxes on the corresponding first backrest unit or the second backrest unit to installIt answers and signal control is handled.
Backrest device and LED display provided by the invention comprising several backrest modules arranged side by side；Backrest moduleIncluding the first backrest unit, the second backrest unit and pedestal, pass through more than one between the first backrest unit and the second backrest unitConnecting rod lifting mechanism is flexibly connected, to realize the lifting installation of the first backrest unit by multi link elevating mechanism, meanwhile,It is flexibly connected between the pedestal of adjacent backrest module by a multi link angle adjusting mechanism two-by-two, so that each connect moreAnother backrest that bar angle adjusting mechanism drives a backrest module relatively adjacent by the micrometer regulating part of a line with a scaleModule carries out arcuate movement, i.e., can realize the angular adjustment between two backrest modules by multi link angle adjusting mechanism.It canSee, this backrest device and LED display, backrest device can realize that LED box is flat together with driving by multi link elevating mechanismPlatform rises together, without large-scale elevating mechanism and excessive human resources, lowers installation cost；Meanwhile multi link angle tuneSection mechanism can realize the angular adjustment of backrest using connecting rod principle, have adjusting angular range is big (to adjust angle in outer radian 20Degree and 60 degree intermediate changes of inner arc) and degree of regulation height (its angular adjustment can ensure that by the micrometer regulating part of line with a scalePrecision) the advantages that, in addition, the backrest unit supports LED box of frame structure, so that LED box can carry out front and back maintenance simultaneously,It is easy to operate.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show belowThere is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only thisSome embodiments of invention without any creative labor, may be used also for those of ordinary skill in the artTo obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of LED display provided in an embodiment of the present invention.
Fig. 2 is the fractionation structural representation of the backrest module of LED display shown in Fig. 1.
Fig. 3 is the partial structurtes folded state schematic diagram of LED display shown in Fig. 1.
Specific embodiment
Specific embodiments of the present invention will be further explained with reference to the accompanying drawing.It should be noted that forThe explanation of these embodiments is used to help understand the present invention, but and does not constitute a limitation of the invention.In addition, disclosed belowThe each embodiment of the present invention involved in technical characteristic can be combined with each other as long as they do not conflict with each other.
As shown in Figures 1 and 2, the embodiment of the present invention provides a kind of LED display 1, which includes several LEDCabinet 100 and backrest device 200, the backrest device 200 include several backrest modules 210 arranged side by side.Backrest module 210Including the first backrest unit 211, the second backrest unit 212 and pedestal 213, the second backrest unit 212 is removably connected to bottom(the second backrest unit 212 can be specifically fixed on pedestal 213 by screw structural or buckle structure, to realize the two on seat 213Between detachable link), between the first backrest unit 211 and the second backrest unit 212 pass through a multi link elevating mechanism 214It is flexibly connected.Two-by-two between the pedestal 213 of adjacent backrest module 210 by a multi link angle adjusting mechanism 220 intoRow is flexibly connected, so that each multi link angle adjusting mechanism 220 drives a back by the micrometer regulating part 221 of a line with a scaleThe relatively adjacent another backrest module 210 of frame module 210 carries out arcuate movement.
In the present embodiment, as shown in Figure 1, the multi link angle adjusting mechanism 220 further includes the first long connecting rod 222,Two long connecting rods 223, the first short connecting rod 224 and the second short connecting rod 225, the first long connecting rod 222 and the second long connecting rod 223 staggeredly turnDynamic setting.One end of first long connecting rod 223 and one end of the second long connecting rod 224 pass through micrometer regulating part 221 and a backrest respectivelyThe pedestal 213 of module 210 is flexibly connected.The bottom of the other end of first long connecting rod 222 and adjacent another backrest module 210Seat 213 is connected with the first short connecting rod 224, the pedestal of the other end of the second long connecting rod 223 and adjacent another backrest module 210213 are connected with the second short connecting rod 225, and each junction is rotation connection.Specifically, the middle part of the first long connecting rod 222 and theIt is staggered between the middle part of two long connecting rods 223, and is rotatablely connected between the two by a long pin shaft.So, lead toThe fine adjustment (angle of adjusting can directly be read by the numerical value on graduation mark) of micrometer regulating part 221 is crossed, it can be achieved that twoAngular adjustment between backrest module 210.
As shown in Fig. 2, the multi link elevating mechanism 214 includes vertical links 2141, waling stripe 2142, two first connecting rods2143, the fixed quarter butt 2145 of two second connecting rods 2144, two first and two second fixed quarter butts 2146.Pedestal 213 is far from second212 side of backrest unit is equipped with connecting rod activity mounting groove 2131, with one end of corresponding installation vertical links 2141.Level is evenThe middle part of bar 2142 and the middle part of vertical links 2141 are rotatablely connected.Two first fixed quarter butts 2145 are opposite to be installed in firstThe lower part of backrest unit 211, two second fixed quarter butts 2146 are opposite to be installed in the top of the second backrest unit 212.First connecting rod2143 middle part is equipped with overhead structure, so that first connecting rod 2143 includes first end 21, second end 22 and third end 23.Second connectsThe bottom of bar 2144 is equipped with overhead structure, so that second connecting rod 2144 includes first end 24 and second end 25.Two first connecting rodsWaling stripe 2142 is connected between 2143 third end 23, the first end 21 of a first connecting rod 2143 and adjacent one second connectIt is connected with one first fixed quarter butt 2145 between the first end 24 of bar 2144, the second end 22 of a first connecting rod 2143 and adjacentOne second fixed quarter butt 2146 is connected between the second end 25 of one second connecting rod 2144, and each junction is rotation connection.By connecting rod activity mounting groove 2131 be equipped with spacing breach 26, can limit vertical links 2141 to far from backrest unit (includingFirst backrest unit 211 and the second backrest unit 212) 90 degree of overturnings of side progress, it is so, vertical by controllingConnecting rod 2141 carries out 90 degree of overturnings, can successively drive each link rotatable, finally to realize the lifting of the first backrest unit 211,So that the first backrest unit 211 is being located at the position (as shown in Figure 3) in 212 front of the second backrest unit and is being located at the second backrestIt is freely converted between position (as shown in Figure 1) right above unit 212.
As shown in Fig. 2, by several detachable between the first backrest unit 211 and the second adjacent backrest unit 212Horizontal connecting plate 27 is fastenedly connected, i.e. the adjusting when the first backrest unit 211 process multi link elevating mechanism 214, makes itAfter right above the second backrest unit 212, after adjusting between the two can be realized by detachable horizontal connection plate 27It is fastenedly connected.Meanwhile the first backrest list of the first backrest unit 211 and adjacent another backrest module 210 of backrest module 210It is fastenedly connected between member 211 by several detachable angle connecting boards 28, the second backrest unit of backrest module 210Between 212 and the second backrest unit 212 of adjacent another backrest module 210 by several detachable angle connecting boards 29 intoRow is fastenedly connected.The detachable angle connecting board 29 has different angles according to actual needs, according to two adjacent backSpecific angle after adjusting between frame module 210 realizes two backrests using the detachable angle connecting board 29 of respective anglesBeing fastenedly connected after the adjusting between module 210.
As shown in Figure 1, pedestal 213 is supported by several Castor structures 230, it can be convenient for entire backrest device 200Transport.First backrest unit 211 includes driving platform 2111 and several frames 2112, drive every one side of platform 2111 withOne frame 2112 connects setting, it may be preferable that and driving platform 2111 and frame 2112 in the present embodiment are all made of diamond structure,The number of frame 2112 is specially four, and every one side of driving platform 2111 connects with a frame 2112 setting, so that firstBackrest unit 211 forms the centrosymmetric image centered on driving platform 2111, and the correspondence on one side of each frame 2112 is installedFix a LED box 100.Likewise, the second backrest unit 212 includes driving platform 2121 and four frames 2122, drivingEvery one side of platform 2121 connects with a frame 2122 setting, it may be preferable that driving platform 2121 and frame in the present embodimentFrame 2122 is all made of diamond structure, and the number of frame 2122 is specially four, drive platform 2121 every one side with a frame2122 connect setting, so that the second backrest unit 212 forms the centrosymmetric image centered on driving platform 2121, each frameCorresponding install on one side of frame 2122 fixes a LED box 100.In addition, driving platform 2111,2121 be built-in with power module,HUB (multiport transponder) plate and reception card, to be to install in corresponding first backrest list by driving platform 2111,2121Multiple LED boxes 100 in member 211 or the second backrest unit 212 carry out power supply and signal control processing.So,By the way that the power module being placed in each LED box 100 originally, HUB (multiport transponder) plate and reception card are placedIn driving platform 2111,2121 accordingly, so that LED box 100 is optimized, the weight of LED box 100 is alleviated, justIn the transport of LED box 100, reduction is collided with.
Backrest device and LED display provided in an embodiment of the present invention comprising several backrest modules arranged side by side；BackFrame module includes the first backrest unit, the second backrest unit and pedestal, is led between the first backrest unit and the second backrest unitIt crosses a multi link elevating mechanism to be flexibly connected, to realize the lifting peace of the first backrest unit by multi link elevating mechanismDress, meanwhile, it is flexibly connected between the pedestal of adjacent backrest module by a multi link angle adjusting mechanism two-by-two, so thatEach multi link angle adjusting mechanism drives relatively adjacent another of a backrest module by the micrometer regulating part of a line with a scaleThe backrest module carries out arcuate movement, i.e., can realize the angle between two backrest modules by multi link angle adjusting mechanismIt adjusts.As it can be seen that this backrest device and LED display, backrest device by multi link elevating mechanism can realize LED box together withDriving platform rises together, without large-scale elevating mechanism and excessive human resources, lowers installation cost；Meanwhile multi linkAngle adjusting mechanism can realize the angular adjustment of backrest using connecting rod principle, have adjusting angular range is big (to adjust angle outside20 degree of radian and 60 degree intermediate changes of inner arc) and degree of regulation height (its angle can ensure that by the micrometer regulating part of line with a scaleSpend degree of regulation) the advantages that, in addition, the backrest unit supports LED box of frame structure, so that before LED box can carry out simultaneouslyAfter safeguard, it is easy to operate.
In conjunction with attached drawing, the embodiments of the present invention are described in detail above, but the present invention is not limited to described implementationsMode.For a person skilled in the art, in the case where not departing from the principle of the invention and spirit, to these embodimentsA variety of change, modification, replacement and modification are carried out, are still fallen in protection scope of the present invention.