CN109584730A - Mosaic display screen - Google Patents
Mosaic display screen Download PDFInfo
- Publication number
- CN109584730A CN109584730A CN201811549437.5A CN201811549437A CN109584730A CN 109584730 A CN109584730 A CN 109584730A CN 201811549437 A CN201811549437 A CN 201811549437A CN 109584730 A CN109584730 A CN 109584730A
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- Prior art keywords
- pedestal
- handle
- circuit board
- led display
- lock
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- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 89
- 239000011324 bead Substances 0.000 claims abstract description 13
- 230000013011 mating Effects 0.000 claims description 9
- 238000009434 installation Methods 0.000 claims description 4
- 238000000926 separation method Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims 1
- 238000003780 insertion Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 12
- 238000000034 method Methods 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 230000006978 adaptation Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/302—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements characterised by the form or geometrical disposition of the individual elements
- G09F9/3026—Video wall, i.e. stackable semiconductor matrix display modules
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/33—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being semiconductor devices, e.g. diodes
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Multimedia (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The present invention relates to a kind of mosaic display screens, including at least two LED display units and splicing apparatus；LED display unit, including cabinet, PCB circuit board and LED lamp bead, cabinet are fixedly connected with PCB circuit board, and cabinet is provided with hook component and limit hole；Limit hole runs through cabinet, contacts with PCB circuit board；Splicing apparatus, including pedestal, at least two lock handles and at least two limited posts；Lock handle is rotatablely installed on the base, and lock handle is provided with bayonet, by the cooperation of hook component and bayonet, realizes that splicing apparatus is fixedly connected with a cabinet；Rotation lock handle, the distance between adjustable cabinet and the pedestal；Limited post is inserted into the single limit hole of LED display, for limiting the distance between the PCB circuit board of LED display unit and the pedestal of splicing apparatus.Even if there are gap, the also adjustings of adjustable mosaic display screen flatness inside LED display unit.
Description
Technical field
The present invention relates to LED display field, especially a kind of mosaic display screen.
Background technique
LED display brightness, in terms of have good display effect, in control centre, stage, exhibitions, public affairs
Extensive use has been waited until in the scenes such as place, outdoor advertising altogether.In general, LED display is by the lesser display unit of muti-piece
It is spliced to form.It is general to utilize connection sheet or fast lock connection, fixed adjacent display unit in traditional joining method.It uses
When connection sheet is spliced, need using auxiliary mounting tool, concatenation is more many and diverse, time-consuming.Meanwhile in order to guarantee to splice
The display effect of display screen, each display unit is needed in same plane after splicing, so also need to carry out using other tools
Flatness adjustment.Therefore, existing splicing construction, time-consuming effort, efficiency is lower, is not able to satisfy the demand of existing quick assembly.
Summary of the invention
Based on this, it is necessary to when being spliced for existing LED display using connection sheet or fast lock, it is numerous to there is operation
The problem of trivial, inefficiency, proposes a kind of new mosaic display screen.
One embodiment of the invention provides a kind of mosaic display screen, including at least two LED display units and splicing apparatus,
Adjacent LED display unit is fixedly connected by the splicing apparatus,
The LED display unit, including cabinet, PCB circuit board and LED lamp bead, the cabinet and the PCB circuit board are solid
Fixed connection, the LED lamp bead are arranged in the light-emitting surface of the PCB circuit board；The cabinet is provided with hook component and limit hole,
The limit hole runs through the cabinet, contacts with the PCB circuit board；
The splicing apparatus, including pedestal, at least two lock handles and at least two limited posts；Each splicing dress
It sets, is fixedly connected at least two LED display units；Each LED display unit corresponds at least one lock handle
And at least one limited post；
The lock handle, limited post are arranged on opposite two end face of the pedestal；The lock handle rotation
It is mounted on the pedestal, the position that the pedestal corresponds to the lock handle is provided with cooperation through-hole, the lock handle pair
Answer the cooperation through-hole to be provided with bayonet, by the cooperation of the hook component and the bayonet, realize the splicing apparatus with
The cabinet of one LED display unit is fixedly connected；Rotate the lock handle, the adjustable cabinet and the pedestal
The distance between；
The limited post is inserted into the single limit hole of the LED display, for limiting the PCB electricity of the LED display unit
The distance between the pedestal of road plate and the splicing apparatus.
In some embodiments, the hook component includes plunger and connecting column；
The lock handle, including bracket, spin locking head, handle, are provided with cavity in the bracket, the bracket with
The pedestal is fixedly connected, and the position that the bracket corresponds to the cooperation through-hole is provided with relief hole；The spin locking head is set
It sets in the cavity of the bracket, the handle is fixedly connected with the spin locking head, rotates the handle, and institute can be driven
The rotation of spin locking head is stated, realizes the rotation of the lock handle；
The bayonet is arranged on the spin locking head, and the bayonet includes holding area and locking region；The card
Wall thickness at mouthful is constantly thickened along the holding area to the locking region direction；The holding area with the card
The plunger for hooking component is adapted, and the connecting column of the locking region and the hook component is adapted.
In some embodiments, the lock handle further includes locking structure, when the locking structure is in the lock state
When, the lock handle is locked, is not able to rotate；When the locking structure is in release conditions, the lock handle can be with
It is freely rotated.
In some embodiments, the lock handle, including handle, connecting shaft, fixed pedestal, pull hook groove seat, it is described solid
Determine pedestal to be fixedly connected with the pedestal of the splicing apparatus, cavity is provided in the fixed pedestal, the connecting shaft setting exists
In the cavity of the fixed pedestal, the connecting shaft is threadedly coupled with the fixed pedestal；
The bottom of the pull hook groove seat is arranged in the bayonet, and the bayonet is adapted with the hook component；The drawing
Hooking groove seat has release conditions and clamped condition, and when the pull hook groove seat is in release conditions, the hook component is inserted into institute
It states in bayonet；When the pull hook groove seat is in clamped condition, the hook component realizes the pull hook by the bayonet clamping
The fixation of groove seat and the hook component；
One end of the connecting shaft is fixedly connected with the handle, and the other end is fixedly connected with the pull hook groove seat；Rotation
The handle can be driven the relatively described fixed pedestal of the connecting shaft and move up and down, the pull hook groove seat is driven to move up and down.
In some embodiments, the connecting shaft is fixed with the pull hook groove seat by screw；The pull hook groove seat and company
On the end face of spindle connection, it is provided with terrace with edge, threaded hole is set in the middle part of the terrace with edge；Pull hook groove seat described in the connection axis connection
End face on, be provided with mating groove, the terrace with edge is placed in the mating groove.
In some embodiments, on the end face that the pull hook groove seat is contacted with the connecting shaft, it is additionally provided with angle backstop
Block, the fixed pedestal are provided with cooperation block；After the pull hook groove seat rotates predetermined angle, the angle stop block is abutted
The cooperation block of the fixed pedestal prevents the pull hook groove seat from further rotating.
In some embodiments, the lock handle further includes lockup switch, lock piece, and the lock piece is arranged and fixes
Card slot is provided on the outside of the outside of the fixed pedestal, institute's lock piece；The lockup switch is arranged in the handle
On, described lockup switch one end is provided with clamp, and the other end is button；It is described when the lockup switch is in the lock state
The cooperation of the card slot of clamp and the lock piece carries out detent, and the lock handle cannot be freely rotated；The button is pressed, it is described
Clamp and the exact separation, the lock handle can be freely rotated.
In some embodiments, the lockup switch is connect by shaft with the handle；It is provided at the shaft multiple
Position spring, in no external force, the reset spring is used to the lockup switch being reset to lock state.
In some embodiments, the LED display unit further includes module framework, the back side of the PCB circuit board and institute
It states module framework to be fixedly connected, the module framework, PCB circuit board, LED lamp bead collectively constitute LED module；The limit hole passes through
The module framework is worn, is contacted with the PCB circuit board；The LED module is fixed by the module framework with the cabinet
Connection.
In some embodiments, the PCB circuit board corresponds to the position of the limit hole, is provided with limit hole pin, is used for
Avoid damage of the limited post to the PCB circuit board.
It is connected by the bayonet of the lock handle of splicing apparatus and the hook component of LED display unit, locking LED is shown
Screen, rotation lock handle, the distance between cabinet and the pedestal of splicing apparatus of adjustable LED display unit；Meanwhile splicing
Limited post on device be inserted into LED display unit contact PCB circuit board limit hole in, using limited post thrust and
The pulling force that rotation lock handle generates hook component can limit LED display unit in conjunction with the preset length of limited post
The distance between PCB circuit board and the pedestal of locking device, even if causing LED display single because of the factor of processing or assembly
The cabinet of member, between PCB circuit board there are gap, can also ensure that the PCB circuit board of adjacent LED display unit is in identical
Plane realizes the adjusting of entire mosaic display screen flatness；Entire splicing adjusts the easy to operate of flatness, is greatly promoted
Efficiency.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the mosaic display screen of the embodiment of the present invention one；
Fig. 2 is the structural schematic diagram of the LED display unit in the embodiment of the present invention one；
Fig. 3 is the schematic diagram of the section structure in Fig. 2 along BB ' line；
Fig. 4 is the enlarged structure schematic diagram in Fig. 3 at C；
Fig. 5 is the overlooking structure diagram of the splicing apparatus of the embodiment of the present invention one；
Fig. 6 is the side structure schematic view of the splicing apparatus of the embodiment of the present invention one；
Fig. 7 is the present invention looks up structural representation of the splicing apparatus of the embodiment of the present invention one；
Fig. 8 is the schematic diagram of the section structure in Fig. 1 along AA ' line；
Fig. 9 is the structural schematic diagram of the spin locking head in the embodiment of the present invention two；
Figure 10 is the schematic diagram of the section structure in Fig. 5 along CC ' line；
Figure 11 is the overlooking structure diagram of the lock handle in the embodiment of the present invention three；
Figure 12 is the decomposition texture schematic diagram of the lock handle in the embodiment of the present invention three；
Figure 13 is the structural schematic diagram of the pull hook groove seat in the embodiment of the present invention three；
Figure 14 is the schematic diagram of the section structure in Figure 11 along DD ' line.
Specific embodiment
To facilitate the understanding of the present invention, a more comprehensive description of the invention is given in the following sections with reference to the relevant attached drawings.In attached drawing
Give better embodiment of the invention.But the invention can be realized in many different forms, however it is not limited to herein
Described embodiment.On the contrary, the purpose of providing these embodiments is that making to understand more the disclosure
Add thorough and comprehensive.
It should be noted that it can directly on the other element when element is referred to as " being fixed on " another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it, which can be, is directly connected to
To another element or it may be simultaneously present centering elements.Term as used herein " vertical ", " horizontal ", " left side ",
" right side " and similar statement for illustrative purposes only, are not meant to be the only embodiment.
Unless otherwise defined, all technical and scientific terms used herein and belong to technical field of the invention
The normally understood meaning of technical staff is identical.Term as used herein in the specification of the present invention is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term " and or " used herein includes one or more
Any and all combinations of relevant listed item.
Embodiment one
The embodiment of the present invention one provides a kind of mosaic display screen 300, as shown in figs. 1-9, including at least two LED aobvious
Show that unit 200 and splicing apparatus 100, adjacent LED display unit 200 are fixedly connected by the splicing apparatus 100；
The LED display unit 200, including cabinet 210, PCB circuit board 220 and LED lamp bead 240, the cabinet 210 with
The PCB circuit board 220 is fixedly connected, and the LED lamp bead 240 is arranged in the light-emitting surface of the PCB circuit board 220；The case
Body 210 is provided with hook component 250 and limit hole 270, and the limit hole 270 runs through the cabinet 210, with the PCB circuit
Plate 220 contacts；
The splicing apparatus 100, including pedestal 110, at least two lock handles 120 and at least two limited posts 130；Often
A splicing apparatus 100 is fixedly connected at least two LED display units 200；Each LED display unit 200
At least one corresponding lock handle 120 and at least one limited post 130；
The lock handle 120, limited post 130 are arranged on opposite two end face of the pedestal 110；The locking
Handle 120 is rotatably installed on the pedestal 110, and the position of the corresponding lock handle 120 of the pedestal 110 is provided with cooperation
Through-hole 113, the corresponding cooperation through-hole 113 of the lock handle 120 are provided with bayonet 123, by the hook component 250 and
The fixed company of the cabinet 210 of the splicing apparatus 100 and a LED display unit 200 is realized in the cooperation of the bayonet 123
It connects；Rotate the lock handle 120, cabinet 210 and the splicing apparatus 100 of the adjustable LED display unit 200
The distance between pedestal 110；
The limited post 130 is inserted into the limit hole 170 of the LED display unit 200, is shown for limiting the LED
The distance between the pedestal 110 of the PCB circuit board of unit 200 and the splicing apparatus 100, and match with the lock handle 120
It closes, realizes the adjusting of the flatness of the mosaic display screen 300.
Each splicing apparatus 100 is fixedly connected at least two LED display units 200.When single with 2 LED displays
When member 200 is fixedly connected, splicing apparatus 100 can only include 2 lock handles, 120,2 limited posts 130.1 locking
Handle 120 and 1 limited post 130 is one group, a corresponding LED display unit 200.It is understood that a corresponding LED is aobvious
The limited post 130 for showing unit 200 may be set to be 2 or 2 or more.
Usual LED display unit 200 uses rectangle, when LED display unit 200 is spliced using array format, every 4
A common angle is had between a LED display unit 200, splicing apparatus 100 can be set on the common angle, with while with
4 LED display units are fixedly connected.It is preferred, therefore, that splicing apparatus 100 includes 4 lock handles 120,4N limited post
130, N be the integer greater than 1.In general, it is 1 that N, which can choose, at this point, splicing apparatus 100 has 4 limited posts 130,1 locking
Handle 120 and 1 limited post 130 is one group, a corresponding LED display unit 200.
LED display unit 200, as shown in figs 2-4, including cabinet 210, PCB circuit board 220, LED lamp bead 240；It is described
Cabinet 210 is fixedly connected with the PCB circuit board 220, and the LED lamp bead 240 is arranged in shining for the PCB circuit board 220
Face；The cabinet 210 is provided with hook component 250 and limit hole 270, and the limit hole 270 runs through the cabinet 210, with institute
State the contact of PCB circuit board 220.
It between PCB circuit board 220 and cabinet 210, can be fixed, can also be fixed using magnetic suck structure by screw.
Hook component 250, specially hook pin, may include plunger and connecting column, wherein the section of plunger is greater than cutting for connecting column
Face.The setting position of limit hole 270 and hook component 250, can be in four corners, can also be in edge side.Preferably,
Four corners of LED display unit are provided with limit hole 270 and hook component 250.On every nook and cranny, the quantity of limit hole 270
It can be 1, be also possible to 2 or more.The quantity of limit hole 270 is opposite with the quantity of limited post 130 on splicing apparatus 100
It answers.
Limit hole 270 is contacted with PCB circuit board 220, either the horizontal surface of limit hole 270 and PCB circuit board 220
Contact, is also possible to the inside that limit hole 270 partially protrudes into PCB circuit board 220, for example be provided in PCB circuit board 220
Indent, to enhance the contact area between limited post 130 and PCB circuit board 220 after limited post 130 protrudes into limit hole 270,
Promote the stability of connection.
PCB circuit board 220 is directly abutted in order to avoid limited post 130 is inserted into after limit hole 270, damages PCB circuit board
220, in the position of the corresponding limit hole 270 of PCB circuit board 220, it is also provided with limit hole pin 230.Limiting hole pin 230 can be with
It is welded on PCB circuit board 220, when limited post 130 is inserted into limit hole 270, limited post 130 is connected in limit hole pin 230, limit
Position column 130 cannot directly abut PCB circuit board 220, the risk that PCB circuit board 220 caused by reducing thus is damaged.
The pedestal 110 of splicing apparatus 100 may include opposite first end face 111 and second end face 112；Wherein, second
End face 112 is in contact in splicing with LED display unit 200；First end face 111 is the end far from LED display unit 200
Face.Lock handle 120 is rotatably installed in the first end face 111 of the pedestal 110.When splicing, it is arranged in second end face 112
Limited post 130, be inserted into the limit hole 270 of corresponding LED display unit 200, due to limit hole 270 directly with PCB circuit
Plate 220 contacts, and limited post 130 can also abut PCB circuit board 220.Using the length of limited post 130, to limit LED display unit
200 PCB circuit board 220 and the distance between the pedestal 110 of splicing apparatus 100.
The position of the corresponding lock handle 120 of pedestal 110 is provided with cooperation through-hole 113,120 corresponding matching through-hole of lock handle
113 are provided with bayonet 123；The hook component 250 of LED display unit 200 passes through cooperation through-hole 113, cooperates with bayonet 123, real
The fixation of the cabinet 210 and splicing apparatus 100 of existing LED display unit 200.Rotate the lock handle 120, adjustable LED
The cabinet 210 of display unit 200 and the distance between the pedestal 110 of splicing apparatus 100.
It is connected by the bayonet of the lock handle of splicing apparatus and the hook component of LED display unit, locking LED is shown
Screen, rotation lock handle, the distance between cabinet and the pedestal of splicing apparatus of adjustable LED display unit；Meanwhile splicing
Limited post on device be inserted into LED display unit contact PCB circuit board limit hole in, using limited post thrust and
The pulling force that rotation lock handle generates hook component can limit LED display unit in conjunction with the preset length of limited post
The distance between PCB circuit board and the pedestal of locking device, even if causing LED display single because of the factor of processing or assembly
The cabinet of member, between PCB circuit board there are gap, can also ensure that the PCB circuit board of adjacent LED display unit is in identical
Plane realizes the adjusting of entire mosaic display screen flatness；Entire splicing adjusts the easy to operate of flatness, is greatly promoted
Efficiency.
Embodiment two
On the basis of example 1, the mosaic display screen in embodiment two, lock handle 120, specifically include bracket,
Spin locking head, handle are provided with cavity in the bracket, and the bracket is fixedly connected with the pedestal 110, the bracket pair
The position of the cooperation through-hole is answered to be provided with relief hole；The spin locking head is arranged in the cavity of the bracket, the hand
Handle is fixedly connected with the spin locking head, rotates the handle, and the spin locking head rotation can be driven, realize the lock
The rotation of tight handle；
The bayonet is arranged on the spin locking head, and the bayonet includes holding area and locking region；The card
Wall thickness at mouthful is constantly thickened along the holding area to the locking region direction；Holding area with hook component
250 plunger is adapted, and the connecting column of locking region and hook component 250 is adapted.
Bracket is fixed on pedestal 110, and the position that bracket corresponds to the cooperation through-hole 113 of pedestal 110 is provided with relief hole, with
Cooperation through-hole 113 is passed through for the hook component 250 of LED display unit 200, into the bayonet 123 of spin locking head.Rotation lock
Determining head can be rack-mount by shaft.Handle can be by shaft, and realization is fixedly connected with spin locking head；Hand
Handle can also be by other connectors, and realization is fixedly connected with spin locking head.It is understood that handle and spin locking
Head also may be integrally formed.
Specifically, being provided with the card in cylindrical side as shown in figure 9, the spin locking head 121 can be cylindrical
Mouthfuls 123, bayonet 123 includes holding area and locking region, wherein the pin of the shape of holding area, size and hook component 250
Head is adapted, and hook component 250 can enter from holding area or be detached from bayonet 123；Shape, size and the card of locking region
The connecting column for hooking component 250 is adapted, and is only passed through for the connecting column of hook component 250, hook component 250 cannot be from locking region
It is detached from bayonet 123.When the holding area face of bayonet 123 cooperates through-hole 113, hook component 250 can free in and out bayonet
123；When the locking region face of bayonet 123 cooperates through-hole 113, hook component 250 cannot be detached from bayonet 123, and be locked.
Meanwhile the wall thickness at the bayonet 123 is constantly thickened along the holding area to the locking region direction.
The wall thickness of bayonet is constantly thickened along holding area to locking region direction.The wall thickness of locking region is greater than the wall of holding area
It is thick.In this way, rotation lock handle 120, hook component 250 can be drawn when the locking region face of bayonet 123 cooperates through-hole 113
The cabinet 210 of dynamic LED display unit 200 reduces the cabinet of LED display unit 200 close to the pedestal 110 of splicing apparatus 100
210 with the distance between the pedestal 110 of splicing apparatus 100.By adjusting specific position of the hook component 250 in holding area
It sets, the cabinet 210 of adjustable LED display unit 200 and the distance between the pedestal 110 of splicing apparatus 100.Cooperate limited post
It is inserted into the limit hole of LED display unit, even if there are between fit between the cabinet and PCB circuit board of LED display unit
Gap, the pulling force generated using the thrust and rotation lock handle of limited post to hook component can also allow LED display unit
The pedestal of PCB circuit board and splicing apparatus keeps substantially the same distance, reduces the fit-up gap on LED display unit to splicing
The influence of the flatness of display screen.
Further, the lock handle 120 can also include locking structure, when locking structure is in the lock state,
Lock handle 120 is locked, is not able to rotate；When locking structure is in release conditions, lock handle 120 can be freely rotated.
By increasing locking structure, LED display unit can be caused to be unlocked to avoid unexpected touching, promote safety.
Locking structure can be the buckle structure on spin locking head, bracket, or the buckle knot on handle, bracket
Structure.It is understood that locking structure can also be other with lock state-release conditions structure.
Locking structure can also include that locking structure is reset to lock state in no external force by reset spring.Reset bullet
Spring can be torsional spring.By setting reset spring, it can allow locking structure, in no external force, be always maintained at lock state,
Further promote safety.
In some implementations, all handles can be arranged towards the same aspect, to facilitate installation people in splicing
The gripping handle of member --- all handles can use a kind of holding mode, without converting different holding modes, behaviour
Make more convenient.
It, can be with LED display unit by the cooperation of cooperation through-hole, rotatable lock handle upper latch notch on pedestal
Hook component connection, it is only necessary to rotation lock handle, i.e. lockable LED display；It is adjustable using the variation of wall thickness at buckle
The distance between cabinet and the pedestal of splicing apparatus of LED display unit；Meanwhile limited post is inserted into LED display unit and connects
The limit hole of touching PCB circuit board utilizes limited post even if there are gaps between the cabinet of LED display unit, PCB circuit board
The pulling force that thrust and bayonet generate, in conjunction with the preset length of limited post, can allow LED display unit PCB circuit board hair
The pedestal of smooth surface and splicing apparatus keeps substantially the same distance, reduces the fit-up gap on LED display unit to tiled display
Flatness influence；The entire operating process spliced, adjusted is simple, is greatly improved efficiency.
Embodiment three
On the basis of previous embodiment one, embodiment three provides a kind of specific implementation of lock handle 120.Such as
Shown in Figure 10-Figure 14, lock handle 120 specifically includes handle 125, connecting shaft 126, fixed pedestal 127, pull hook groove seat 129,
The fixed pedestal 127 is fixedly connected with the pedestal 110 of the splicing apparatus 100, and setting is free in the fixed pedestal 127
Chamber, the connecting shaft 126 are arranged in the cavity of the fixed pedestal 127, the connecting shaft 126 and the fixed pedestal 127
It is threadedly coupled；
The bottom of the pull hook groove seat 129, the bayonet 123 and 250 phase of hook component is arranged in the bayonet 123
Adaptation；The pull hook groove seat 129 has release conditions and clamped condition, when the pull hook groove seat 129 is in release conditions, institute
Hook component 250 is stated to be inserted into the bayonet 123；When the pull hook groove seat 129 is in clamped condition, the hook component
250, by 123 clamping of bayonet, realize the fixation of the pull hook groove seat 129 and the hook component 250；
One end of the connecting shaft 126 is fixedly connected with the handle 125, and the other end and the pull hook groove seat 129 are fixed
Connection；The handle 125 is rotated, the relatively described fixed pedestal 127 of the connecting shaft 126 can be driven and move up and down, drives institute
Pull hook groove seat 129 is stated to move up and down.
Between fixed pedestal 127 and the pedestal 110 of splicing apparatus 100, screw, bolt, rivet, clamping structure can be passed through
Etc. structures fix.In some implementations, fixed pedestal 127 and the pedestal 110 of splicing apparatus 100 can also be integrally formed.
Fixed form between connecting shaft 126 and handle 125, pull hook groove seat 129 can be screw, bolt, rivet, card
The structures such as binding structure.In some implementations, connecting shaft 126 and handle 125 or connecting shaft 126 and pull hook groove seat 129,
It can be integrally formed, to reduce fixed operating procedure.
In the present embodiment, it between connecting shaft 126 and handle 125, pull hook groove seat 129, is fixed by screw.Such as figure
Shown in 12, on the end face that pull hook groove seat 129 is connect with connecting shaft 126, it is provided with terrace with edge 1293, is arranged in the middle part of the terrace with edge 1293
Threaded hole；Connecting shaft 126 connects on the end face of pull hook groove seat 129, is provided with mating groove (not shown), and terrace with edge 1293 holds
It is placed in the mating groove.Threaded hole is provided on the end face of the connection pull hook groove seat 129 of connecting shaft 126.By the way that terrace with edge is arranged
1293 and mating groove, facilitate the installation between connecting shaft 126 and pull hook groove seat 129 to position；Utilize the shape of prism, enhancing two
Contact area between person, in lock handle rotation, connecting shaft 129 can effectively drive pull hook groove seat 129 to rotate together.For
Facilitate terrace with edge 1293 to be placed in mating groove, chamfering can be set at the incline of terrace with edge 1293, is inserted with providing terrace with edge 1293
Enter installation space when mating groove.
Bayonet 123 in pull hook groove seat 129, shape, size can be with 250 phases of pull hook component of LED display unit 200
Adaptation.When 123 face hook component 250 of bayonet, the pull hook groove seat 129 is in release conditions, at this point, the hook component
250 are inserted into the bayonet 123.Pull hook groove seat 129 is rotated, so that having one between bayonet 123 and hook component 250
When clamp angle, at this point, the pull hook groove seat 129 is in clamped condition, 250 partial region of hook component project to bayonet 123 it
Outer region, hook component 250 realize the fixation of pull hook groove seat 129 and hook component 250 by 123 clamping of bayonet.
Connecting shaft 126 is fixedly connected with handle 125, pull hook groove seat 129, by rotating handle 125, can drive pull hook slot
Seat 129 rotates.Connecting shaft 126 is threadedly coupled with fixed pedestal 127, i.e., connecting shaft 126 is provided with external screw thread, fixed pedestal 127
Corresponding internal screw thread is set.By rotating handle 125, that is, connecting shaft 126 is allowed to rotate, and according to connecting shaft 126 and fixed pedestal
Screw connection structure between 127, the rotation of connecting shaft 126 can allow the relatively fixed pedestal 127 of connecting shaft 126 to move up and down,
The hook component 250 of pull hook groove seat 129 and its clamping is driven to move up and down together.Because the setting of hook component 250 is shown in LED
On the cabinet 210 of unit 200, therefore, rotating handle 125 drives the hook component 250 of pull hook groove seat 129 and its clamping together
Both when moving up and down, the cabinet 210 of LED display unit 200 can be allowed mobile relative to the pedestal 110 of splicing apparatus 100, adjust
The distance between.
Bayonet 123 is arranged in 129 bottom of pull hook groove seat.129 bottom of pull hook groove seat can rounded, rectangle, it is preferably round
Shape.Relative to the center of circle of 129 bottom of pull hook groove seat, bayonet 123 can be arranged across the center of circle, can also be in a lateral areas in the center of circle
Domain setting.When due to having certain angle between bayonet 123 and hook component 250, bayonet 123 could clamp hook component 250.
When bayonet 123 has rotated 180 ° or 360 ° along a direction, bayonet 123 may face hook component 250 again, i.e.,
In this process, pull hook groove seat 129 undergoes the switching between 2 kinds of states: release conditions --- clamped condition --- discharge shape
State.At this point, pull hook groove seat 129 can be detached from from clamped condition, lead to the disengaging of LED display unit 200, causes safety problem.
After entrance clamped condition, pull hook groove seat 129 undesirably falls off clamped condition, pull hook groove seat 129 and company
On the end face that spindle 126 contacts, it is additionally provided with angle stop block 1291, fixed pedestal 127 is provided with cooperation block and (does not show in figure
Out), after pull hook groove seat 129 rotates predetermined angle, angle stop block 1291 abuts the cooperation block on fixed pedestal 127, resistance
Only pull hook groove seat 129 further rotates, and pull hook groove seat 129 is avoided to undesirably fall off clamped condition.When bayonet 123 can be across pull hook
When the center of circle setting of 129 bottom of groove seat, pull hook groove seat 129 can rotate between 0~180 °, it is preferred that predetermined angle setting
It is 90 °.When side region setting of the bayonet 123 in the center of circle of 129 bottom of pull hook groove seat, pull hook groove seat 129 can 0~
It is rotated between 360 °, it is preferred that predetermined angle is set as 270 °.
Further, LED display unit is caused to be released from fixation in order to avoid unexpectedly touching, as described in Figure 11 and 12,
The lock handle 120 further includes lockup switch 124, lock piece 128, and the lock piece 128 is arranged and is fixed on the fixation
The outside in the outside of pedestal 127, institute's lock piece 128 is provided with card slot；The lockup switch 124 is arranged in the handle
On 125, described 124 one end of lockup switch is provided with clamp (not shown), and the other end is button；When the lockup switch
124 when being in the lock state, and the card slot cooperation of the clamp and the lock piece 128 carries out detent, and the lock handle 120 is not
It can be freely rotated；The button is pressed, the clamp can freely can turn with the exact separation, the lock handle 120
It is dynamic.
Lock piece 128 can be hollow cylinder, and axial card slot is provided in cylindrical outer surface.Lock piece 128 is arranged
It is fixedly connected in the outside of fixed pedestal 127, and with fixed pedestal 127.In some implementations, lock piece 128 can be with
Fixed pedestal 127 is integrally formed, i.e., in the outer surface of fixed pedestal 127, card slot is arranged.
Lockup switch 124 can be connect by shaft (not shown) with handle 125.In order to allow under no external force,
Lockup switch is constantly in lock state, and at shaft, reset spring can also be arranged, in no external force, by lockup switch 124
It is reset to lock state, clamp abuts card slot.Reset spring can be torsional spring.By the way that reset spring is arranged, locking can be allowed to open
It closes, in no external force, saves lock state always, unless otherwise will be unable to rotate to the button of pressing lockup switch 124
Lock handle further promotes safety.
The mosaic display screen of the present embodiment is cooperated by the bayonet of pull hook groove seat and the hook component of LED display unit, is turned
Dynamic lock handle can drive the hook component of pull hook groove seat and its clamping to move up and down while clamping hook component, adjust
Save the distance between cabinet and the pedestal of splicing apparatus of LED display unit；Meanwhile the limited post on splicing apparatus is inserted into
In the limit hole for contacting PCB circuit board in LED display unit, using the thrust and rotation lock handle of limited post to hook group
Pulling force that part generates can limit the PCB circuit board and locking device of LED display unit in conjunction with the preset length of limited post
The distance between pedestal, even if causing between the cabinet of LED display unit, PCB circuit board because of the factor of processing or assembly
There are gap, it can also ensure that the PCB circuit board of adjacent LED display unit is in identical plane, realize entire tiled display
Shield the adjusting of flatness；Entire splicing adjusts the easy to operate of flatness, is greatly improved efficiency.
Example IV
In front on the basis of embodiment one, embodiment two or embodiment three, the mosaic display screen of example IV is such as schemed
Shown in 3 and Fig. 4, LED display unit 200 further includes module framework 260, the back side of PCB circuit board 220 and module framework 260
It is fixedly connected, module framework 260, PCB circuit board 220, LED lamp bead 240 collectively constitute LED module 290；Limit hole 270 runs through
Module framework 260 is contacted with PCB circuit board 220；LED module 290 is fixedly connected by module framework 260 with cabinet 210.
Module framework is set by increasing, module framework, PCB circuit board, LED lamp bead is allowed to collectively constitute LED module, it can be with
Realize modularization, design, produce, assembling, safeguard it is more convenient.
It between cabinet 210 and LED module 290, can be fixed, can also be fixed using magnetic suck structure by screw.For
It maintains easily, it is preferred that fixed between cabinet 210 and LED module 290 using magnetic suck structure.As shown in Figures 3 and 4, may be used
Magnet 280 is respectively set in cabinet 210 and 290 corresponding position of LED module.It, can also be with it is understood that magnetic suck structure
It is constituted using magnet and feeromagnetic metal.
It is connected by the bayonet of the lock handle of splicing apparatus and the hook component of LED display unit, locking LED is shown
Screen, rotation lock handle, the distance between cabinet and the pedestal of splicing apparatus of adjustable LED display unit；Meanwhile splicing
Limited post on device be inserted into LED display unit contact PCB circuit board limit hole in, using limited post thrust and
The pulling force that rotation lock handle generates hook component can limit LED display unit in conjunction with the preset length of limited post
The distance between PCB circuit board and the pedestal of locking device, even if causing LED display single because of the factor of processing or assembly
The cabinet of member, between PCB circuit board there are gap, can also ensure that the PCB circuit board of adjacent LED display unit is in identical
Plane realizes the adjusting of entire mosaic display screen flatness；Entire splicing adjusts the easy to operate of flatness, is greatly promoted
Efficiency.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to protection of the invention
Range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (10)
1. a kind of mosaic display screen, including at least two LED display units and splicing apparatus, adjacent LED display unit pass through institute
Splicing apparatus is stated to be fixedly connected, which is characterized in that
The LED display unit, including cabinet, PCB circuit board and LED lamp bead, the cabinet and the PCB circuit board are fixed to be connected
It connects, the LED lamp bead is arranged in the light-emitting surface of the PCB circuit board；The cabinet is provided with hook component and limit hole, described
Limit hole runs through the cabinet, contacts with the PCB circuit board；
The splicing apparatus, including pedestal, at least two lock handles and at least two limited posts；Each splicing apparatus,
It is fixedly connected at least two LED display units；Each LED display unit corresponds at least one lock handle and extremely
A few limited post；
The lock handle, limited post are arranged on opposite two end face of the pedestal；The lock handle rotational installation
On the pedestal, the position that the pedestal corresponds to the lock handle is provided with cooperation through-hole, and the lock handle corresponds to institute
It states cooperation through-hole and is provided with bayonet, by the cooperation of the hook component and the bayonet, realize the splicing apparatus and one
The cabinet of the LED display unit is fixedly connected；The lock handle is rotated, between the adjustable cabinet and the pedestal
Distance；
The limited post is inserted into the single limit hole of the LED display, for limiting the PCB circuit board of the LED display unit
The distance between pedestal of the splicing apparatus.
2. mosaic display screen according to claim 1, which is characterized in that the hook component includes plunger and connecting column；
The lock handle, including bracket, spin locking head, handle, are provided with cavity in the bracket, the bracket with it is described
Pedestal is fixedly connected, and the position that the bracket corresponds to the cooperation through-hole is provided with relief hole；The spin locking head setting exists
In the cavity of the bracket, the handle is fixedly connected with the spin locking head, rotates the handle, and the rotation can be driven
Turn elongated insertion part rotation, realizes the rotation of the lock handle；
The bayonet is arranged on the spin locking head, and the bayonet includes holding area and locking region；At the bayonet
Wall thickness constantly thickened along the holding area to the locking region direction；The holding area with the hook group
The plunger of part is adapted, and the connecting column of the locking region and the hook component is adapted.
3. mosaic display screen according to claim 2, which is characterized in that the lock handle further includes locking structure, when
When the locking structure is in the lock state, the lock handle is locked, is not able to rotate；When the locking structure is in release
When state, the lock handle can be freely rotated.
4. mosaic display screen according to claim 1, which is characterized in that the lock handle, including handle, connecting shaft,
Fixed pedestal, pull hook groove seat, the fixed pedestal are fixedly connected with the pedestal of the splicing apparatus, setting in the fixed pedestal
There is cavity, the connecting shaft is arranged in the cavity of the fixed pedestal, and the connecting shaft is threadedly coupled with the fixed pedestal；
The bottom of the pull hook groove seat is arranged in the bayonet, and the bayonet is adapted with the hook component；The pull hook slot
Seat tool has release conditions and clamped condition, and when the pull hook groove seat is in release conditions, the hook component is inserted into the card
In mouthful；When the pull hook groove seat is in clamped condition, the hook component realizes the pull hook groove seat by the bayonet clamping
With the fixation of the hook component；
One end of the connecting shaft is fixedly connected with the handle, and the other end is fixedly connected with the pull hook groove seat；Described in rotation
Handle can be driven the relatively described fixed pedestal of the connecting shaft and move up and down, the pull hook groove seat is driven to move up and down.
5. mosaic display screen according to claim 4, which is characterized in that the connecting shaft and the pull hook groove seat pass through spiral shell
Nail is fixed；Threaded hole is arranged with terrace with edge, the terrace with edge middle part on the end face for connecting axis connection, is provided in the pull hook groove seat；Institute
On the end face for stating pull hook groove seat described in connection axis connection, it is provided with mating groove, the terrace with edge is placed in the mating groove.
6. mosaic display screen according to claim 4, which is characterized in that the pull hook groove seat was contacted with the connecting shaft
On end face, it is additionally provided with angle stop block, the fixed pedestal is provided with cooperation block；When the pull hook groove seat rotates preset angle
After degree, the angle stop block abuts the cooperation block of the fixed pedestal, and the pull hook groove seat is prevented further to rotate.
7. mosaic display screen according to claim 4, which is characterized in that the lock handle further includes lockup switch, lock
Stop member, the lock piece are arranged and are fixed on the outside of the fixed pedestal, be provided with card slot on the outside of institute's lock piece；Institute
It states lockup switch to be arranged on the handle, described lockup switch one end is provided with clamp, and the other end is button；When the locking
When switch is in the lock state, the card slot cooperation of the clamp and the lock piece carries out detent, and the lock handle cannot be certainly
By rotating；The button, the clamp and the exact separation are pressed, the lock handle can be freely rotated.
8. mosaic display screen according to claim 7, which is characterized in that the lockup switch passes through shaft and the handle
Connection；It is provided with reset spring at the shaft, in no external force, the reset spring is for the lockup switch to be reset to
Lock state.
9. mosaic display screen according to claim 1-8, which is characterized in that the LED display unit further includes
Module framework, the back side of the PCB circuit board are fixedly connected with the module framework, the module framework, PCB circuit board, LED
Lamp bead collectively constitutes LED module；The limit hole runs through the module framework, contacts with the PCB circuit board；The LED mould
Group is fixedly connected by the module framework with the cabinet.
10. mosaic display screen according to claim 9, which is characterized in that the PCB circuit board corresponds to the limit hole
Position is provided with limit hole pin, for avoiding damage of the limited post to the PCB circuit board.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811549437.5A CN109584730B (en) | 2018-12-18 | 2018-12-18 | Spliced display screen |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811549437.5A CN109584730B (en) | 2018-12-18 | 2018-12-18 | Spliced display screen |
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| CN109584730B CN109584730B (en) | 2024-04-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811549437.5A Active CN109584730B (en) | 2018-12-18 | 2018-12-18 | Spliced display screen |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110085131A (en) * | 2019-04-15 | 2019-08-02 | 泉州圆创机械技术开发有限公司 | It is a kind of convenient for quick despatch and splice adjustable angle LED display |
| CN110288917A (en) * | 2019-07-09 | 2019-09-27 | 深圳市奥拓电子股份有限公司 | The convenient lockset of cam-type |
| CN110364103A (en) * | 2019-08-08 | 2019-10-22 | 深圳市洲明科技股份有限公司 | Display module method for correcting position and display screen |
| CN110544439A (en) * | 2019-09-16 | 2019-12-06 | 深圳利亚德光电有限公司 | box body connecting lock, spliced box body and LED spliced screen |
| CN112032155A (en) * | 2020-09-16 | 2020-12-04 | 谷麦光电科技股份有限公司 | Multi-screen arbitrary splicing industrial control integrated machine |
| WO2021022968A1 (en) * | 2019-08-08 | 2021-02-11 | 深圳市洲明科技股份有限公司 | Display screen and assembly method therefor |
| CN112670312A (en) * | 2020-08-24 | 2021-04-16 | 錼创显示科技股份有限公司 | Display device |
| WO2024002246A1 (en) * | 2022-06-29 | 2024-01-04 | 惠州市聚飞光电有限公司 | Tiling piece, tiling piece assembly, tiled display screen, middle frame, and lamp panel assembly |
| CN117711274A (en) * | 2023-12-20 | 2024-03-15 | 广东德星微电子有限公司 | Modularized LED display screen module |
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| CN110085131A (en) * | 2019-04-15 | 2019-08-02 | 泉州圆创机械技术开发有限公司 | It is a kind of convenient for quick despatch and splice adjustable angle LED display |
| CN110288917A (en) * | 2019-07-09 | 2019-09-27 | 深圳市奥拓电子股份有限公司 | The convenient lockset of cam-type |
| CN110364103A (en) * | 2019-08-08 | 2019-10-22 | 深圳市洲明科技股份有限公司 | Display module method for correcting position and display screen |
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| CN117711274B (en) * | 2023-12-20 | 2024-05-14 | 广东德星微电子有限公司 | Modularized LED display screen module |
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