A kind of LED combination screen latching device, LED unit screen and LED combination screen
[technical field]
The present invention relates to the LED electronic display, relate in particular to a kind of LED combination screen latching device, LED unit screen and LED combination screen.
[background technology]
Application number is that the Chinese patent application " LED combination screen latching device, LED unit screen and LED combination screen " of CN201210089539.X discloses and a kind ofly can carry out fast operating, safe and reliable LED combination screen latching device.Need not use auxiliary mounting tool when utilizing this LED combination screen latching device concatenation unit screen, need not the professional of high professional qualification, assembling process is time saving and energy saving, and dismounting efficient greatly improves.
But, this LED combination screen latching device can't be adjusted the splicing tightness that the unit shields, and can easily produce when the splicing tightness is too small and become flexible, and can easily produce when the splicing tightness is excessive and be out of shape, for the necessary high manufacturing accuracy of the splicing tightness that guarantees to stipulate, the product processing cost is higher.
[summary of the invention]
The technical problem to be solved in the present invention provides the splicing tightness and is convenient to adjust, and the splicing precision is high, the LED combination screen latching device that processing cost is lower.
Another technical matters that will solve of the present invention provides a kind of splicing tightness and is convenient to adjust, and the splicing precision is high, the LED unit screen that processing cost is lower.
The present invention also has a technical matters that will solve to provide a kind of splicing tightness to be convenient to adjust, and the splicing precision is high, the LED combination screen that processing cost is lower.
In order to solve the problems of the technologies described above, the technical solution used in the present invention is, a kind of LED combination screen latching device comprises the first connecting portion and the second connecting portion, and the first connecting portion comprises that lock pin and the first screen board, the second connecting portion comprise latch hook, spanner and the second screen board; Described lock pin is installed on the first screen board, and described spanner and the second screen board are hinged; Rear end and the spanner of latch hook are hinged, and the pin joint of spanner and the second screen board is positioned at the place ahead of latch hook and spanner pin joint; The front end of latch hook comprises gib head, and when latching device fastened, the gib head lodge of latch hook linked together the first screen board and the second screen board on described lock pin; The first connecting portion comprises the lock pin stroke regulating mechanism, and the lock pin stroke regulating mechanism is installed on the first screen board, is positioned at the rear of lock pin, and the stroke of lock pin is adjusted.
Above-described LED combination screen latching device comprises stage clip, and described lock pin comprises slide block and register pin, and described register pin vertically arranges, the front end of register pin is fixed on the slide block; Described the first screen board comprises the axis hole, spring base of register pin and slideway longitudinally, and described the second screen board comprises dowel hole; Described compression spring sleeve is in the outside of register pin, and front end heads on slide block or heads on the head of register pin front end, and the rear end heads on spring base, and described register pin inserts the axis hole of register pin after by forward direction; When latching device fastened, the gib head lodge of latch hook was on described slide block, and slide block is along the described stage clip of described slideway sliding compression, and the dowel hole of the second screen board is inserted in the rear end of register pin; Described ram travel adjusting mechanism comprises stop screw, and the first screen board comprises tapped through hole on the next door of register pin axis hole, and stop screw screws in tapped through hole; When latching device fastened the stroke termination, the front end of stop screw withstood the rear end face of slide block; By screwing in or screw out the adjustment that stop screw is realized ram travel.
Above-described LED combination screen latching device comprises guide finger and stage clip, and described lock pin comprises slide block and register pin; Described guide finger is fixed on the first screen board, and slide block set slides before and after guide finger on guide finger, and stage clip is arranged between slide block and the first screen board, will push away before the slide block; Described lock pin comprises slide block and register pin, and the both sides of slide block comprise guide pin hole and dowel hole; When latching device fastened, the gib head lodge of latch hook was on described slide block, and the slide block compression press spring moves behind the drive register pin, and the dowel hole that inserts the second screen board is stretched out in the rear end of register pin from rear plate.Described ram travel adjusting mechanism comprises the adjustment screw, and the first screen board comprises the threaded hole of adjusting screw, adjusts screw and screws in the threaded hole of adjusting screw; The head of adjusting screw comprises inverted cone surface, and the centre at slide block rear portion comprises the inclined-plane, and when latching device fastened the stroke termination, the inverted cone surface of adjusting the head of screw propped up the inclined-plane of the centre at slide block rear portion; By screwing in or screw out the adjustment of adjusting screw realization ram travel.
Above-described LED combination screen latching device, described stage clip is two, the both sides of slide block comprise guide pin hole and dowel hole; The first screen board comprises the slide block mount pad of the first plate body and U font, and the slide block mount pad of U font comprises header board, base plate and rear plate, comprises the threaded hole of described adjustment screw on the base plate, and the base plate of slide block mount pad is fixed on the first plate body; Header board comprises guide finger front-axle hole and register pin front-axle hole, and rear plate comprises behind the guide finger axis hole behind the axis hole and register pin; Guide finger passes axis hole behind guide finger front-axle hole, guide pin hole and the guide finger, and the guide pin hole of guide finger and slide block is slidingly matched; Register pin passes axis hole behind register pin front-axle hole, dowel hole and the register pin, and register pin and slide block are fixed, and is slidingly matched with axis hole before and after the register pin; Two stage clips are enclosed within respectively on guide finger and the register pin, between slide block and rear plate, promote forward slide block.
Above-described LED combination screen latching device, described inclined-plane is identical with the head inverted cone surface cone angle of adjusting screw, outside diameter is greater than the inverted cone surface of the head inverted cone surface outside diameter of adjusting screw.
Above-described LED combination screen latching device, described ram travel adjusting mechanism comprises holding screw, the slide block mount pad comprises the threaded hole of holding screw, the threaded hole of holding screw and the threaded hole quadrature of adjusting screw and perforation, holding screw screws in the threaded hole of holding screw, will adjust screw and fix.
Above-described LED combination screen latching device, the slide block middle part is recessed, forms pocket for the punch head.
The technical scheme of a kind of LED unit screen is, comprise the screen board of rectangle and above-mentioned LED combination screen latching device, the LED combination screen latching device of unit screen comprises 4 described the first connecting portions and 4 described the second connecting portions, 8 described connecting portions are arranged in respectively 4 angular positions of rectangle screen board, and two described connecting portions are arranged at each angle of rectangle screen board.
Above-described LED unit screen, with 1 diagonal line boundary of rectangle screen board, a cornerwise side is arranged 4 the first connecting portions, cornerwise opposite side is arranged 4 the second connecting portions.
A kind of LED makes up the technical scheme of shielding, and is spliced to form by a plurality of LED unit screen, and described LED unit screen is above-mentioned LED unit screen.
The lock pin stroke regulating mechanism of LED combination screen latching device of the present invention can be given to adjust to the stroke of lock pin, thereby realize the splicing tightness of regulation and high splicing precision, the splicing tightness of LED combination screen and splicing precision need not to rely on high machining precision and guarantee, have reduced the processing cost of product.
[description of drawings]
The present invention is further detailed explanation below in conjunction with the drawings and specific embodiments.
Fig. 1 is the parts exploded view of the embodiment of the invention 1 LED combination screen latching device.
The stereographic map of Fig. 2 embodiment of the invention 1 LED combination screen latching device lock pin part.
Fig. 3 is the stereographic map of the embodiment of the invention 1 LED combination screen latching device latch hook part.
Fig. 4 is the stereographic map of cutting open under the embodiment of the invention 1 LED combination screen latching device buckling state.
Fig. 5 is sectional view under the embodiment of the invention 1 LED combination screen latching device buckling state.
Fig. 6 is that the LED that more than 1 unit screen of the embodiment of the invention consists of makes up the front view that shields.
Fig. 7 is the front view of embodiment of the invention Unit 1 screen.
Fig. 8 is the partial enlarged drawing at I position among Fig. 7.
Fig. 9 is the schematic diagram under the embodiment of the invention 1 LED combination screen latching device open mode.
Figure 10 is the schematic diagram that the embodiment of the invention 1 LED combination screen latching device fastens step 1.
Figure 11 is the schematic diagram that the embodiment of the invention 1 LED combination screen latching device fastens step 2.
Figure 12 is the schematic diagram that the embodiment of the invention 1 LED combination screen latching device fastens step 3.
Figure 13 is the schematic diagram under the complete buckling state of the embodiment of the invention 1 LED combination screen latching device.
Figure 14 is the schematic diagram of the embodiment of the invention 1 lock pin stroke regulating mechanism.
Figure 15 is the front view of the embodiment of the invention 1 slide block mount pad.
Figure 16 is the right view of the embodiment of the invention 1 slide block mount pad.
Figure 17 is the vertical view of the embodiment of the invention 1 slide block mount pad.
Figure 18 is that A among Figure 17 is to cut-open view.
Figure 19 is that B among Figure 17 is to cut-open view.
Figure 20 is the vertical view of the embodiment of the invention 1 spanner mount pad.
Figure 21 is that C among Figure 20 is to cut-open view.
Figure 22 is the structural representation of the embodiment of the invention 2 LED combination screen latching device.
Figure 23 is the exploded view of the embodiment of the invention 2 first connecting portion part parts.
[embodiment]
To shown in Figure 8, the LED of the embodiment of the invention 1 combination screen latching device comprises the first connecting portion and the second connecting portion such as Fig. 1.The first connecting portion comprises that lock pin and the first screen board, the second connecting portion comprise latch hook 2, spanner 1 and the second screen board.Lock pin is installed on the first screen board, and spanner 1 and the second screen board are hinged.The rear end of latch hook 2 and spanner 1 are hinged, and the pin joint of spanner 1 and the second screen board is positioned at the place ahead of latch hook 2 and spanner 1 pin joint.The front end of latch hook 2 comprises gib head, and when latching device fastened, the gib head lodge of latch hook 2 linked together the first screen board and the second screen board on lock pin.
The first screen board comprises on slide block mount pad 6, the first plate bodys 5 of the first plate body 5 and U font fluted 501.
The slide block mount pad 6 of U font comprises header board 601, base plate 602 and rear plate 603, and the base plate 602 of slide block mount pad 6 is fixed in the groove 501 of the first plate body; Guide finger front-axle hole 604 and register pin front-axle hole 605 are arranged on the header board 601, axis hole 607 behind the axis hole 606 and register pin is arranged on the rear plate 603 behind the guide finger.The base plate 602 of slide block mount pad 6 is screwed in groove 501.
Lock pin comprises slide block 3 and register pin 4.There is guide pin hole and the dowel hole that is parallel to each other the both sides of slide block 3.The middle part of slide block 3 is recessed, forms the groove 302 that holds hook.
Guide finger 8 passes axis hole 606 behind the guide pin hole of guide finger front-axle hole 604, slide block 3 of slide block mount pad 6 and slide block mount pad 6 guide fingers successively; Guide finger 8 is slidingly matched with the guide pin hole of slide block 3, and is fixed on the header board 601 by jump ring 801.Register pin 4 passes axis hole 607 behind the register pin of the dowel hole of register pin front-axle hole 605, slide block 3 of slide block mount pad 6 and slide block mount pad 6; Register pin 4 is by relative fixing with jump ring 401 and slide block mount pad 6, and axis hole 607 was slidingly matched after register pin 4 was sold front-axle hole 605, register pin with the position; Two stage clips 7 are enclosed within respectively on guide finger 8 and the register pin 4, between slide block 3 and rear plate 603, promote forward slide block 3; When latching device fastens, gib head 201 lodges of latch hook are on slide block 3, and slide block 3 drives register pin 4 and moves backward in compression press spring 7, the dowel hole 905 that inserts the second screen board is stretched out in the rear end of register pin 4 from rear plate 603, the first screen board and the second screen board are linked together and align.
The ram travel adjusting mechanism comprises adjusts screw 10 and holding screw 11, and the threaded hole 608 of adjusting screw is arranged on the base plate 602 of the slide block mount pad of U font, adjusts screw 10 and screws in the threaded hole 608 of adjusting screw; The head of adjusting screw 10 has inverted cone surface, and there is inclined-plane 310 centre at slide block rear portion, and when latching device fastened the stroke termination, the inverted cone surface of adjusting the head of screw 10 propped up the inclined-plane of the centre at slide block rear portion.
In the present embodiment, inclined-plane 310 is identical with the head inverted cone surface cone angle of adjusting screw 10, and outside diameter is greater than the part inverted cone surface of the head inverted cone surface outside diameter of adjusting screw 10.
The threaded hole 609 that holding screw is arranged on the slide block mount pad 6, the threaded hole 609 of holding screw screws in the threaded hole 609 of holding screws with threaded hole 608 quadratures of adjusting screw and perforation, holding screw 11, and the adjustment screw 10 of adjusting is carried out fastening location.
As shown in figure 14, adjust when revolving on the screw 10, the stroke of slide block 3 strengthens, the connection tightness between can reducing to shield; When adjusting screw 10 backspin, the stroke of slide block 3 subtracts greatly, can add the connection tightness between large-size screen monitors.Can before dispatching from the factory, debug one by one after production is finished, reach the connection tightness between the screen of regulation after, adjust screws 10 with holding screw 11 lockings.
Spanner 1 comprises handle 101 and is connected two blocks of side plates 102 with handle 101, comprises rear pin-and-hole 103 and front pin-and-hole 104 on the side plate 102, and spanner 1 is hinged with latch hook 2 by rear pin-and-hole 103, and is hinged by front pin-and-hole 104 and the second screen board.When latching device fastened, wrench 1 clinching was on latch hook 2, and the center of rear pin-and-hole 103 is higher than the center of front pin-and-hole 104, to guarantee the self-locking of mechanism.
The second screen board comprises the spanner mount pad 9 of the second plate body 8 and flute profile, the second plate body 8 comprises mounting groove 801, spanner mount pad 9 has bead 901, on the bead 901 screw hole is arranged, and screw 10 passes screw hole spanner mount pad 9 is fixed in the mounting groove 801 of the second plate body 8.Spanner mount pad 9 also comprises longitudinally side plate 903 of rear plate 902 and two blocks, and two blocks of side plates 903 of spanner mount pad 9 connect by rear plate 902.On the side plate 903 of spanner mount pad 9 hinge hole 906 is arranged, hinged screw 11 passes front pin-and-hole 104 that hinge hole 906 inserts wrench and realizes that spanners 1 and the second screen board are hinged.
The bottom of the safety block 12 of spanner has on the side plate 903 of pin shaft hole, spanner mount pad 9 pin shaft hole 904 is arranged, and bearing pin passes pin shaft hole 904 on the side plate 903 and the pin shaft hole of safety block 12, realizes that safety block 12 and spanner mount pad 9 are hinged.Two pin of torsion spring 14 withstand on respectively the top of safety block 12 and rear plate 902, and the elastic force of torsion spring 14 leans forward safety block 12, and the lower end of safety block 12 props up rear plate 902.There is outstanding ratchet the front portion of safety block 12, and there is draw-in groove the rear end of spanner 1 side plate 102, and when latching device fastened, ratchet entered draw-in groove, prevents that spanner 1 and latch hook 2 from getting loose.
The process that the LED combination screen latching device of the embodiment of the invention 1 fastens and opens such as Fig. 9 are to shown in Figure 13, and Fig. 9 is the state that latching device is opened fully, and spanner 1 is in the state of standing up, and latch hook 2 leans forward, and the first plate body 5 separates with the second plate body 8.
Figure 10 is the step 1 that latching device fastens, and presses down the latch hook 2 that leans forward, and the gib head 201 of latch hook 2 front portions hooks the transverse axis 301 on the slide block 3.
In the step 2 and 3 of Figure 11 and 12 latching devices fastening, press down forward the handle of wrench 1, the wrench 1 hinged screw 11 inhour rotations that rotate, move behind the lower end band moveable lock hook 2 of wrench 1, latch hook 2 promotes slide block 3, and behind the gap between helical compression spring 7 elimination the first plate bodys 5 and the second plate body 8, helical compression spring 7 is compressed, the register pin 4 at slide block 3 rears inserts the dowel hole 802 of the second plate body 8, is conducive to the first plate body 5 and the second plate body 8 exactitude positions.
Figure 13 is the complete buckling state of latching device, and wrench 1 clinching is on latch hook 2, and the center of rear pin-and-hole 103 is higher than the center of front pin-and-hole 104, to guarantee mechanism's self-locking; The ratchet 1201 of safety block 12 enters the draw-in groove 105 of spanner 1 rear end, can prevent that spanner 1 and latch hook 2 from getting loose.
The structure of embodiment of the invention Unit 1 screen as shown in Figure 7 and Figure 8,4 the first connecting portion A and 4 the second connecting portion B of comprising the LED combination screen latching device of square screen board 100 and above embodiment, 8 connecting portions are arranged in respectively 4 angular positions of square screen board, and two connecting portions are arranged at each angle of square screen board.Concrete arrangement is as follows: with 1 diagonal line M-M boundary of square screen board, 4 the first connecting portion A are arranged on cornerwise right side, and 4 the second connecting portion B are arranged in cornerwise left side.The first connecting portion A and below are connected with the second connecting portion B of the unit screen of being connected, and are connected the first connecting portion A that the unit shields and are connected in the second connecting portion B and top with left
The example of the embodiment of the invention 1 LED combination screen shown in Figure 6 is spliced to form by 9 above-mentioned LED unit screens.By the large-screen that this sample loading mode is combined into, can unload easily any one unit screen from the centre.In the time of need to unloading middle screen body, as long as pull open 8 wrench 1 of this screen body periphery, just can like a cork this screen body be taken off maintenance or replacing.
Primary structure such as Figure 22 and shown in Figure 23 of the LED combination screen latching device of the embodiment of the invention 2, its basic structure is the disclosed structure of Chinese patent application " LED combination screen latching device, LED unit screen and LED combination screen " of CN201210089539.X with application number.The first screen board comprises on slide block mount pad 6, the first plate bodys 5 of the first plate body 5 and flute profile chute 501, spring base 502 and axis hole 503.Slide block mount pad 6 is by being screwed in chute 501.
Lock pin comprises slide block 3 and the register pin 4 that is fixed on the slide block 3.Register pin 4 vertically arranges, register pin 4 is by the register pin axis hole 503 that inserts behind the forward direction on the first plate body 5.Helical compression spring 7 is enclosed within the outside of register pin 4, and front end heads on the rear end face of slide block 3, and the rear end heads on spring base 502.Slide block 3 comprises body and the transverse axis 301 that is fixed on the body, when latching device fastens, gib head 201 lodges of latch hook are on the transverse axis 301 of slide block 3, slide block 3 slides backward compression helical compression spring 7 along slideway, the dowel hole of the second screen board is inserted in the rear end of register pin 4, the first screen board plate body 5 and the second screen board plate body 8 are linked together and aligns.
The lock pin stroke regulating mechanism of the present embodiment comprises that two stop screws, 12, the first screen boards 5 have two tapped through holes 505 in the both sides of register pin axis hole, and stop screw 12 screws in tapped through hole; When latching device fastened the stroke termination, the front end of stop screw 12 withstood the rear end face of slide block 3, thereby has placed restrictions on the stroke of slide block 3, screws in or withdraw from stop screw 12, can adjust the stroke of slide block 3, had adjusted simultaneously the connection tightness of LED combination screen latching device.