Specific embodiment
Refering to fig. 1, Fig. 1 is the structural schematic diagram of one embodiment of the utility model LED display.As shown, this reality
It include multiple LED boxes mutually spliced with novel LED display screen, wherein figure 1 illustrate the two LED box A mutually spliced
And B, it is attached between LED box A and LED box B using LED box attachment device 100.LED case through this embodiment
Body attachment device 100, the radian spliced between adjustable LED box, and then realize that the radian of LED display is adjusted.Below
It will further illustrate.
Refering to Fig. 2 to Fig. 5, and Fig. 1 is combined, the LED box of the present embodiment connects locking device 100, including arc lock group
Part 11 and fixation kit 12.Wherein for the LED box A and LED box B that mutually splice, arc lock set 11 is fixed on LED case
On body B, fixation kit 12 is fixed on LED box A, and arc lock set 11 and fixation kit 12 are connected with each other, thus can be real
The splicing of existing two LED boxes.
Wherein, arc lock set 11 includes the first closing piece 111, the second closing piece 112 and the first fixing piece 113.First lock
Block 111 is fixed on LED box B, for example can be fixed using the modes such as being spirally connected or riveting.Second closing piece 112 is arc
Closing piece is located on the first closing piece 111 and can slide on the first closing piece 111 towards LED box A.Wherein, the second closing piece 112
Glide direction can with when its arcuate directions.
In one embodiment, the first closing piece 111 is also possible to arc closing piece, the arc of arcuate directions and the second closing piece
Direction is identical.As shown in figure 3, the first closing piece 111 is undercut slot structure, it is provided in the both sides of the first closing piece 111 along arc
The arc chute 1111 that shape direction extends.The adjusting that arcuately direction extends is provided on the groove top of first closing piece 111
Opening 1112 adjusts opening 112 as along the strip opening of the arcuate directions of the first closing piece 111 extension.In another embodiment
In, multiple adjustment holes also can be used and replace adjusting opening 1112, for example can be set on the groove top of the first closing piece 111
The adjustment hole that multiple arcuately directions are arranged successively is set, wherein the adjustment hole can be elongate holes.
Wherein, the second closing piece 112 includes arc-shaped workpiece 1121 and connector 1122, and arc-shaped workpiece 1121 and connector 1122 can be with
It is to be integrally formed, is also possible to link together by modes such as bolt, welding.Arc-shaped workpiece 1121 has and the first closing piece 111
Identical arcuate directions, wherein arc-shaped workpiece 1121 is located on the groove top of the first closing piece 111, connector 1122 towards first
The direction opposing arcuate part 1121 of closing piece 111 is bent.When LED box A and B are spliced, connector 1122 and LED box A
Relatively.
The first fixation hole 1123 and the second fixation hole 1124 are provided on second closing piece 112, the second fixation hole 1124 is located at
Second closing piece 112 is in the one side of LED box A.Specifically, the top of arc-shaped workpiece 1121 is arranged in the first fixation hole 1123
On, the second fixation hole 1124 is arranged on connector 1122.In one embodiment, the both sides of arc-shaped workpiece 1121 are respectively set
There is guide rail 1125, guide rail 1125 is inserted in the arc chute 1111 of 111 side of the first closing piece, so that 112 edge of the second closing piece
Arc chute 1111 slides, and then realizes that the second closing piece 112 slides on the first closing piece 111.
Wherein, when the second closing piece 111 slides into different location, the adjusting of the first fixation hole 1123 and different location is open
(or adjustment hole) 1112 is corresponding, and the first fixing piece 113 passes through the adjusting opening on the first fixation hole 1123 and corresponding position
1112 mutually fix the first closing piece 111 with the second closing piece 112.
In one embodiment, the first fixing piece 113 can be bolt, i.e. the first closing piece 111 and the second closing piece 112 can be with
It is fixed together by way of bolt.
In one embodiment, as shown in figure 3, the first fixing piece 113 may include first sleeve 1131, the first fixing axle
1132, the first card column 1133 and the second card column 1134.Further, as shown in Fig. 2, the first fixing piece 113 can also include butterfly
The knob lid 1135 of butterfly, the lid of knob lid 1135 are located in first sleeve 1131, can reverse the by Turning knob lid 1135
One sleeve 1131, facilitates operation.Wherein, the first card slot 1136 in semi-spiral shape is provided on the barrel of first sleeve 1131.
Radial the along the first fixing axle 1132 is offered in the first end (upper end in the view of such as Fig. 3) of first fixing axle 1132
Pass through aperture, the first card column 1133 is inserted in the first through hole and both ends are stretched out outside the first through hole.First fixing axle 1132
Second end (lower end in the view of such as Fig. 3) on offer the second radial through hole along the first fixing axle 1132, this
Two through holes are used to plug the second card column 1134.
In one embodiment, as shown in Fig. 2, multiple lightening holes 1127 can also be arranged at the top of arc-shaped workpiece 1121,
Multiple through-holes are opened up, to mitigate the weight of the second closing piece 112.Certainly, the first fixation hole 1123 is also possible to elongate holes, or
The aperture of person's other shapes, does not limit this.
Wherein, first sleeve 1131 is sheathed in the first end of the first fixing axle 1132, the both ends card of the first card column 1133
It is located in the first card slot 1136.Second card column 1134 is extracted, by the second end of the first fixing axle 1132 from the first fixation hole
1123 insertions, and be pierced by from the adjusting of corresponding position opening 1112, wherein the length of the first card column 1133 is greater than the first fixation hole
1123 diameter or the diameter of first sleeve 1131 are greater than the diameter of the first fixation hole 1123, so that the first fixing axle
1132 first end is stuck in except the first fixation hole 1123.
As shown in figure 5, Fig. 5 is the bottom view of arc lock set 11 shown in Fig. 2, in the second end of the first fixing axle 1132
After being pierced by adjusting opening 1112, second card column 1134 is inserted in the first fixing axle 1132 from the slot opening of the first closing piece 111
Second end on the second through hole in, and the both ends of the second card column 1134 are located on the undercut trench bottom of the first closing piece 111, with
So that the second card column 1134 across adjust opening 1112, to form detent.Make it to backspin by reversing first sleeve 1131
Turn, upper top (i.e. the highest endpoint of the first card slot of semi-spiral shape) and the first card column 1133 when rotation to the first card slot 1136
When clamping, the outer wall formation of first sleeve 1131 and the first fixation hole 1123 is supported, while passing through the first card column 1133 for first
Fixing axle 1132 is pulled upwardly, and the first fixing axle 1132 is kept up the state of pull-up, so that the second card column
1134 are close to the undercut trench bottom of the first closing piece 111, locking state are formed, thus by 112 phase of the first closing piece 111 and the second closing piece
It is fixed.
When needing to separate the first closing piece 111 and the second closing piece 113, opposite direction torsion first sleeve 1131 is only needed to make it
Rotation upwards, lower top (i.e. the minimum endpoint of the first card slot of semi-spiral shape) and the first card column when its first card slot 1136
When 1133 clamping, first sleeve 1131 is detached from the outer wall of the first fixation hole 1123, so that the first fixing axle 1132, which is in, unclamps shape
State, and slide downward under the effect of gravity, the thus second end of the first fixing axle 1132 also slide downward, so that the second card column
1134 are detached from the undercut trench bottom of the first closing piece 111, it is possible thereby to the second card column 1134 be extracted the first fixing axle 1132, then
First fixing axle 1132 is successively extracted to adjusting opening 1112 and first fixation hole 1123 again, so as to by the first closing piece 111
It is separated with the second closing piece 112.
In one embodiment, as shown in Figure 3 and Figure 5, the first fixing piece 113 can also include spring 1137.First
Spring 1137 is first set in the first fixing axle 1132, from adjusting after opening 112 is pierced by then again by the by fixing axle 1132
Two card columns 1134 pass through the second through hole of the first fixing axle 1132, so that spring 1137 is located at the second card column 1134 and the first lock
Between the undercut trench bottom of block 111.When the second card column is clamped on the undercut trench bottom of the first closing piece 111, at spring 1137
In confined state, can make under the elastic force effect of spring 1137 tighter between second card column 1134 and the first closing piece 111
Gu.Also, when the first fixing axle 1132 is in releasing orientation, the second card column can be made under the elastic force effect of spring 1137
1134 bounce off the undercut trench bottom of the first closing piece 111, so that more convenient extract the second card column 1134 from the first fixing axle 1132.
In one embodiment, as shown in Figure 4 and Figure 5, it is additionally provided with arcuately on the undercut trench bottom of the first closing piece 111
Multiple second card slots 1113 that direction is arranged successively.When the second closing piece 112 slides into different location, 1123 He of the first fixation hole
Second card slot 1113 of different location is corresponding, to be inserted into the first fixing axle 1132 from the first fixation hole 1123, and from adjusting
When opening 1112 is pierced by, after the second card column 1134 is inserted in the first fixing axle 1132, in the second card column 1134 across adjusting
Be open 1112 when, the both ends of the second card column 1134 are arranged in the second card slot 1137 of corresponding position, so as to further mention
The reliability connected between high second card column 1134 and the first closing piece 111.
Wherein, fixation kit 12 is connect by the second fixation hole 1124 on connector 1122 with the second closing piece 112, will
LED box A and the connection of the second closing piece 112, and then realize the splicing of two LED boxes A and B.
Specifically, refering to Fig. 6 and Fig. 7, and Fig. 2 and Fig. 3 is combined, in one embodiment, the second fixation hole 1124 is length
Strip-shaped hole.Fixation kit 12 includes second sleeve 121, spring clip 122, deck 123, the second fixing axle 124 and shell
125。
Wherein, one end of second sleeve 121 is provided with gear 30, and the second fixing axle 124 is sheathed in second sleeve 121,
And second one end of fixing axle 124 connect with gear 30, so that the second fixing axle 124 can be driven to revolve when rotating gear 30
Turn.The other end of second fixing axle 124 is the block tongue 1241 for stretching out second sleeve 121, block tongue 1241 and the second fixation hole 1124
Shape it is identical, and length less than the second fixation hole 1124 length but be greater than the second fixation hole 1124 width.Deck 123 is solid
It is scheduled in second sleeve 121, spring clip 122 is fixed on deck 123.Wherein, a clamping plate 1221 of spring clip 122 is certainly
By holding, the end of another clamping plate 1222 is provided with latch 20, and latch 20 and gear 30 are clamped, thus supporting using clamping plate 1222
Gear 30 is blocked in effect, and gear 30 is avoided to rotate.
Wherein, it is supporting point with deck 123 when needing gear 30 to rotate, presses the free end of spring clip 122
1221, so that another clamping plate 1222 of spring clip 122 is bounced and separated with gear 30, gear can be rotated at this time
30。
Wherein, it is also equipped with gear on the inner wall of shell 125, when the lid of shell 125 is located on gear 30, in shell 125
Gear 30 on the gear and second sleeve 121 in portion engages.Shell 125 has handle, and the handle by holding shell 125 reverses
Shell 125, to can twist with moving gear 30 under the action of gear.Therefore, it can be convenient torsion using shell 125
Gear 30.Wherein, when needing to connect fixation kit 12 and the second closing piece 112, by reversing gear 30, to drive second to consolidate
Dead axle 124 reverses, and then reverses block tongue 1241, so that the length direction of the length direction of block tongue 1241 and the second fixation hole 1124
It is identical, and then block tongue 1241 can be inserted into the second fixation hole 1124.After block tongue 1241 passes through the second fixation hole 1124, lead to
Torsion gear 30 is crossed, to reverse block tongue 1241, so that the length direction of the length direction of block tongue 1241 and the second fixation hole 1124
Vertically, i.e. the width direction of the length direction of block tongue 1241 and the second fixation hole 1124 is identical, thus may make 1241 He of block tongue
Connector 1122 forms clamping, and then fixation kit 12 and the second closing piece 112 are linked together.
In another embodiment, the second fixing axle 124 of fixation kit 12 can also be bolt, i.e. fixation kit 124
It can be fixed together by way of bolt with the second closing piece 112.
As shown in figure 8, third fixation hole A11 is provided on LED box A to be spliced, the block tongue 1241 of fixation kit 12
Third fixation hole A11 and the second fixation hole 1124 are sequentially passed through, so that LED box A and the second closing piece 112 be connected.Wherein, even
It is additionally provided with the 4th fixation hole 1126 on fitting 1122, is also correspondingly arranged on the 5th fixation hole A12, attachment device on LED box A
100 further include the first bolt (not shown), and the first bolt passes through the 4th fixation hole 1126 and the 5th fixation hole A12 for connector
1122 and LED box A is fixed.
Wherein, it is additionally provided with the 6th fixation hole 1211 in the second sleeve 121 of fixation kit 12, correspondingly, LED box A
On be additionally provided with the 7th fixation hole A13.Attachment device further includes the second bolt, and the second bolt passes through the 6th fixation hole 1211 and the
Seven fixation hole A13 fix fixation kit 12 and LED box A.
Wherein, as shown in figure 8, being provided with screw hole on LED box B, the side of the first closing piece 111 can be solid by bolt 50
It is scheduled on LED box B.
The radian tune between LED box may be implemented by sliding the second closing piece 112 in the attachment device 100 of the present embodiment
Section.Specifically, when needing to increase the radian between LED box, the second closing piece 112 is sliding to another LED box A to be spliced
It is dynamic, when sliding into required radian, fixation kit 12 is recycled to connect the second closing piece 112 with LED box A, and utilize first
Fixing piece 113 is fixed by the first closing piece 111 and the second closing piece 112, to realize the splicing between LED box.Wherein, the second lock
The distance that block 112 is slided to LED box A is longer, and the radian between LED box can be made bigger, conversely, the second closing piece 112
The distance of sliding is shorter, and the radian between LED box is smaller.
In one embodiment, further, as shown in Fig. 2, arc lock set 11 further includes reversed column 114, the first closing piece
Multiple card holes 1114 that arcuately direction is arranged successively are additionally provided on the outer surface of 111 side, multiple card holes 1114 are located at
Below arc chute 1111.Wherein, reversed column 114 is mounted on the side of arc-shaped workpiece 1121, and is connect with the side of the first closing piece 111
Touching, reversed column 114 with the second closing piece 112 arcuately sliding slot 1111 slide when, when reversed column 114 slide into two card holes 1114 it
Between when reversed column 114 be in stir state, when sliding into the position of card hole 1114, reversed column 114 is caught in card hole 1114, and is in
Reset condition, wherein when reversed column 114 slides into another adjacent card hole 1114 from a card hole 1114, the second closing piece
112 have slided predetermined arc, that is, when the second closing piece 12 has slided the distance between two neighboring card hole 1114, LED box
Between the radian that splices changed predetermined arc, which for example can be set to 5 ° or 10 ° etc., not limit this.
Wherein, when reversed column 114 returns to reset condition from the state of stirring, the sound of " ticking " can be generated, it can be according to this
Sound judges that reversed column 114 have passed through how many a card holes, and then can determine that the second closing piece 112 has slided how many radian, thus may be used
To determine the radian spliced between LED box.
By the attachment device of the utility model, it can not only realize and splice LED box, and is adjustable
The radian spliced between LED box, to realize that the radian of LED display is adjusted, so that LED display adapts to more occasions.
The utility model embodiment also provides a kind of attachment device of LED box, and the attachment device is aobvious for any of the above-described LED
Attachment device in display screen embodiment.
The foregoing is merely the embodiments of the present invention, and therefore it does not limit the scope of the patent of the utility model, all
It is equivalent structure or equivalent flow shift made based on the specification and figures of the utility model, directly or indirectly uses
In other related technical areas, it is also included in the patent protection scope of the utility model.