CN110223605A - The LED display of the high gray scale of low-light level - Google Patents
The LED display of the high gray scale of low-light level Download PDFInfo
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- CN110223605A CN110223605A CN201910319611.5A CN201910319611A CN110223605A CN 110223605 A CN110223605 A CN 110223605A CN 201910319611 A CN201910319611 A CN 201910319611A CN 110223605 A CN110223605 A CN 110223605A
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- led display
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- wall
- gray scale
- light level
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- 238000009434 installation Methods 0.000 claims abstract description 22
- 244000309464 bull Species 0.000 claims description 20
- 210000003128 head Anatomy 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000005611 electricity Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- 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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Abstract
The invention belongs to field of LED display, the especially LED display of the high gray scale of low-light level, it is inconvenient to dismount for existing back shroud, the problem of power connection is not protected, now propose following scheme, it includes LED display, the side of the LED display is fixedly installed with frame, the side of frame is movably installed with back shroud, multiple power connections are equipped in frame, the corner location of the back shroud is fixedly installed with mounting blocks, the side of mounting blocks offers slot, L-type inserted link is fixedly installed on the surrounding inner wall of frame, one end of four L-type inserted links extends respectively in four slots.The configuration of the present invention is simple; back shroud is placed on the side of frame; L-type inserted link may make to be fixed in slot; the installation of back shroud can be completed; similarly can easily it dismantle; bolt installation bring a series of problems is avoided, while power connection is accommodated in protecting box, to eliminate security risk.
Description
Technical field
The present invention relates to the LED displays of LED display technical field more particularly to the high gray scale of low-light level.
Background technique
LED display (LED display) is a kind of flat-panel monitor, is made of LED module panel small one by one, is used
Equipment to show the various information such as text, image, video, video signal.
Publication No. CN206601944U discloses a kind of low-light level high gray circuit for LED display.This is used for
The low-light level high gray circuit of LED display includes row gating switch, column gating switch, constant-current source, LED lamp bead, controller, divides
Current circuit and first switch tube, it follows that the LED display of the high gray scale of low-light level is a kind of existing technology.
Publication No. CN102081885B discloses a kind of LED display device, including bracket and LED display unit,
The bracket is the structure of two layers of front and back: front layer is made of aluminum profile connection alternate in length and breadth, but in this patent, back shroud is adopted
Installed with bolt, bolt easy to wear when used for a long time, while it is firmly excessive will lead to stripped thread so that back shroud can not pacify
Dress, while bolt long-time service can be corroded, and cause back shroud that can not dismantle, so that LED display inconvenient maintenance, while electricity
Exposed when source interface, once being sprinkled with water because unexpected, due to narrow space in connector, water can not be cleaned, will
Lead to short circuit, there are security risks.
Summary of the invention
The purpose of the present invention is to solve existing in the prior art, back shroud dismounting is inconvenient, what power connection was not protected
Disadvantage, and the LED display of the high gray scale of low-light level proposed.
To achieve the goals above, present invention employs following technical solutions:
The LED display of the high gray scale of low-light level, including LED display, the side of the LED display are fixedly mounted framed
Frame, the side of frame are movably installed with back shroud, are equipped with multiple power connections in frame, the corner location of the back shroud is solid
Dingan County is equipped with mounting blocks, and the side of mounting blocks offers slot, is fixedly installed with L-type inserted link on the surrounding inner wall of frame,
One end of four L-type inserted links extends respectively in four slots, and U-shaped cavity is offered on mounting blocks, is opened on the side inner wall of slot
Equipped with moving hole, mobile bar is movably installed in moving hole, the both ends of mobile bar all extend to outside moving hole, one end of mobile bar
Be fixedly installed with the pressing plate being located in slot, one end of L-type inserted link is in contact with the side of pressing plate, U-shaped cavity far from slot one
Offer elliptical aperture on the inner wall of side, one end of mobile bar through elliptical aperture and is movably installed with oval block, the side of oval block with
The side of mounting blocks is in contact, and fixing sleeve is connected to the fixed link in U-shaped cavity, the side rotational installation of fixed link in mobile bar
There are two driven rod, the installation axle being fixedly mounted on the inner wall of U-shaped cavity side, two peaces are equipped with above and below mobile bar
Movable sleeve is connected to rotating bar on dress axis, and the side of two driven rods is rotatably installed in respectively on the side of two rotating bars, and two
The side of a rotating bar is rotatably equipped with connecting rod, the side that two installation axles are located remotely from each other be equipped be fixedly mounted on it is U-shaped
Fixing axle on the inner wall of chamber side, movable sleeve is connected to oscillating rod in two fixing axles, and the side of two connecting rods rotates respectively
It is mounted on the side of two oscillating rods, the side of two oscillating rods is movably installed with motion bar, and two motion bars mutually lean on
Close side is fixedly installed with kelly, offers card hole, the top side of L-type inserted link on U-shaped cavity side inner wall close to each other
Card slot is offered with bottom side, two kelly one end close to each other extend through two card holes and extend respectively to two card slots
It is interior, when needing to install, back shroud is placed on the side of frame, so that one end of L-type inserted link is injected in slot, so that L
Type inserted link heads on pressing plate movement, and pressing plate drives mobile bar mobile, and mobile bar drives fixed link is mobile simultaneously to make second spring stress,
Fixed link is mobile to drive two driven rod rotations by two movable axis, and two driven rods drive two by other two movable axis
A rotating bar rotation, two rotating bars drive two connecting rods mobile by two band moving axis, and two connecting rods pass through other two
A band moving axis drives oscillating rod rotation, and oscillating rod drives motion bar mobile by slide-bar, and slide-bar moves in slide opening, motion bar band
One end of dynamic kelly is injected in card slot, to L-type inserted link be fixed, while mobile bar drives oval block to move out elliptical aperture
Outside, ellipse of revolution block at this time, so that elliptical aperture is rotated on spill spin block by swivelling chute, so that oval block and mobile bar are hung down
It is direct-connected to connect, so that oval block is stuck on the side of mounting blocks, the installation of back shroud can be completed.
Preferably, it is equipped with protecting box in the frame, offers limiting slot on the top side of protecting box and bottom side inner wall, two
The same limit plate is movably installed in a limiting slot, multiple power connections pass through bolt and are mounted on the side of limit plate,
The side of back shroud offers through-hole, and through-hole is run through in the side of protecting box, and the side of protecting box is equipped with lid by articulate
Plate pulls cover board, so that pull rod is moved in pulling eye by pulling shaft, until the side inner wall of pulling eye blocks pulling shaft, so that
Pulling block drives pull rod mobile, and pull rod pulls bar rotation, and bull stick drives link rotatable by a pin shaft, and connecting rod passes through another
Pin shaft drives l-shaped rod rotation, so that l-shaped rod heads on limit plate movement, the top side and bottom side of limit plate are along two limiting slot water
Translation is dynamic and makes two the first spring stress, until limit plate drives out multiple power connections outside protecting box.
Preferably, the side of the cover board is fixedly installed with the pulling block in protecting box, the side activity installation of pulling block
There is pull rod, the side of pull rod is rotatably equipped with bull stick, and shaft, rotarod activity socket are fixedly installed on the side inner wall of protecting box
In shaft, the side of bull stick is rotatably equipped with connecting rod, and the side of connecting rod is rotatably equipped with l-shaped rod, the side inner wall of protecting box
On be fixedly installed with rotation axis, on the rotating shaft, one end of l-shaped rod is adapted l-shaped rod pivot bush unit with the side of limit plate, draw
Dynamic cover board, so that pull rod is moved in pulling eye by pulling shaft, until the side inner wall of pulling eye blocks pulling shaft, so that pulling block band
Dynamic pull rod is mobile.
Preferably, be fixedly installed with one end of the first spring on the side inner wall of the limiting slot, the first spring it is another
End is fixedly mounted on the side of limit plate, and the top side and bottom side of limit plate move horizontally along two limiting slots and make two
First spring stress.
Preferably, the side of the pulling block offers pulling eye, and pulling shaft, the fixed peace in one end of pulling shaft are movably installed in pulling eye
On the side of pull rod.
Preferably, the side of the connecting rod is opened up there are two pin shaft hole, is movably installed with pin shaft in two pin shaft holes, and two
One end of a pin shaft is respectively and fixedly installed on the side of l-shaped rod and bull stick, and bull stick drives link rotatable by a pin shaft, even
Bar drives l-shaped rod rotation by another pin shaft.
Preferably, the side of the fixed link is opened up there are two movable span, is movably installed with activity in two movable spans
Axis, one end of two movable axis are respectively and fixedly installed on the side of fixed link and rotating bar, and fixed link is mobile to pass through two work
Moving axis drives two driven rod rotations, and two driven rods drive two rotating bar rotations by other two movable axis.
Preferably, the side of the motion bar offers slide opening, and slide-bar is movably installed in slide opening, and one end of slide-bar is fixed
It is mounted on the side of oscillating rod, oscillating rod drives motion bar mobile by slide-bar, and slide-bar moves in slide opening.
Preferably, the side of the oval block opens up fluted, and annular offers swivelling chute, swivelling chute on the inner wall of groove
It is inside movably installed with spill spin block, one end of mobile bar is fixedly mounted on the side of spill spin block, and the second bullet is socketed in mobile bar
One end of spring, second spring is fixedly mounted on the side of fixed link, and the other end of second spring is fixedly mounted on the one of U-shaped cavity
On the inner wall of side, while mobile bar drives oval block to move out outside elliptical aperture, at this time ellipse of revolution block, so that elliptical aperture passes through rotation
Slot rotates on spill spin block, connect so that oval block is vertical with mobile bar, so that oval block is stuck in the one of mounting blocks
On side.
Preferably, the side of the connecting rod is opened up there are two axis hole, is movably installed with band moving axis in two axis holes, and two
A one end with moving axis is respectively and fixedly installed on the side of rotating bar and oscillating rod, and two rotating bars pass through two band moving axis bands
Dynamic two connecting rods are mobile, and two connecting rods drive oscillating rod to rotate by other two band moving axis.
In the present invention, by LED display, frame, back shroud, mounting blocks, L-type inserted link, slot, U-shaped cavity, moving hole,
Pressing plate, mobile bar, elliptical aperture, oval block, fixed link, installation axle, rotating bar, driven rod, fixing axle, connecting rod, oscillating rod, work
Lever, kelly, card hole, card slot, slide opening, slide-bar are used cooperatively, and can back shroud are easily mounted on frame,
Pass through LED display, frame, back shroud, protecting box, through-hole, power connection, cover board, limiting slot, limit plate, rotation axis, L-type
Bar, shaft, bull stick, connecting rod, pulling block, pulling eye, pulling shaft, pull rod are used cooperatively, and pull open cover board, that is, limit plate may make to drive electricity
Source connector moves out outside protecting box, so that power connection is easy to use, when not used, power connection can be made to be accommodated in guarantor
It protects in box;
Back shroud is placed on the side of frame by the configuration of the present invention is simple, that is, L-type inserted link may make to be fixed on slot
It is interior, the installation of back shroud can be completed, similarly can easily dismantle, avoid bolt installation bring a series of problems, together
When power connection be accommodated in protecting box, to eliminate security risk.
Detailed description of the invention
Fig. 1 is the schematic perspective view of the LED display of the high gray scale of low-light level proposed by the present invention;
Fig. 2 is the left view structural representation of the LED display of the high gray scale of low-light level proposed by the present invention;
Fig. 3 is the structural schematic diagram of part A in Fig. 2 of the LED display of the high gray scale of low-light level proposed by the present invention;
Fig. 4 be the high gray scale of low-light level proposed by the present invention LED display again be structural schematic diagram;
Fig. 5 is the structural schematic diagram of part B in Fig. 4 of the LED display of the high gray scale of low-light level proposed by the present invention.
In figure: 1LED display screen, 2 frames, 3 back shrouds, 4 mounting blocks, 5L type inserted link, 6 slots, 7U type chamber, 8 moving hole, 9
Pressing plate, 10 mobile bars, 11 elliptical apertures, 12 oval blocks, 13 fixed links, 14 installation axles, 15 rotating bars, 16 driven rods, 17 fixing axles,
18 connecting rods, 19 oscillating rods, 20 motion bars, 21 kellies, 22 card holes, 23 card slots, 24 slide openings, 25 slide-bars, 26 protecting box, 27 lead to
Hole, 28 power connections, 29 cover boards, 30 limiting slots, 31 limit plates, 32 rotation axis, 33L type bar, 34 shafts, 35 bull sticks, 36 connecting rods,
37 pulling blocks, 38 pulling eyes, 39 pulling shafts, 40 pull rods.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
Referring to Fig.1-5, the LED display of the high gray scale of low-light level, including LED display 1, the side of LED display 1 are fixed
Frame 2 is installed, the side of frame 2 is movably installed with back shroud 3, is equipped with multiple power connections 28 in frame 2, back shroud 3
Corner location is fixedly installed with mounting blocks 4, and the side of mounting blocks 4 offers slot 6, solid on the surrounding inner wall of frame 2
Dingan County is equipped with L-type inserted link 5, and one end of four L-type inserted links 5 extends respectively to offer U-shaped cavity on mounting blocks 4 in four slots 6
7, moving hole 8 is offered on the side inner wall of slot 6, mobile bar 10 is movably installed in moving hole 8, the both ends of mobile bar 10 are equal
It extends to outside moving hole 8, one end of mobile bar 10 is fixedly installed with the pressing plate 9 in slot 6, one end of L-type inserted link 5 and pressure
The side of plate 9 is in contact, and U-shaped cavity 7 far from elliptical aperture 11 is offered on the side inner wall of slot 6, run through by one end of mobile bar 10
Elliptical aperture 11 is simultaneously movably installed with oval block 12, and the side of oval block 12 is in contact with the side of mounting blocks 4, solid in mobile bar 10
Surely it is socketed with the fixed link 13 in U-shaped cavity 7, there are two driven rod 16, mobile bars 10 for the side rotational installation of fixed link 13
Above and below be equipped with the installation axle 14 being fixedly mounted on 7 side inner wall of U-shaped cavity, equal movable sleeve in two installation axles 14
It is connected to rotating bar 15, the side of two driven rods 16 is rotatably installed in respectively on the side of two rotating bars 15, two rotating bars
15 side is rotatably equipped with connecting rod 18, and the side that two installation axles 14 are located remotely from each other, which is equipped with, is fixedly mounted on U-shaped cavity 7
Fixing axle 17 on the inner wall of side, movable sleeve is connected to oscillating rod 19, the side point of two connecting rods 18 in two fixing axles 17
It not being rotatably installed on the side of two oscillating rods 19, the side of two oscillating rods 19 is movably installed with motion bar 20, and two
The side close to each other of motion bar 20 is fixedly installed with kelly 21, offers card on the side inner wall close to each other of U-shaped cavity 7
Hole 22, the top side and bottom side of L-type inserted link 5 offer card slot 23, and two one end close to each other of kelly 21 extend through two
Card hole 22 simultaneously extends respectively in two card slots 23, when needing to install, back shroud 3 is placed on the side of frame 2, so that
One end of L-type inserted link 5 is injected in slot 6, so that L-type inserted link 5 heads on the movement of pressing plate 9, pressing plate 9 drives mobile bar 10 mobile, moves
Lever 10 drives fixed link 13 mobile and makes second spring stress, and fixed link 13 is mobile to drive two bands by two movable axis
Lever 16 rotates, and two driven rods 16 drive two rotating bars 15 to rotate by other two movable axis, and two rotating bars 15 are logical
Crossing two band moving axis drives two connecting rods 18 mobile, and two connecting rods 18 drive 19 turns of oscillating rod by other two band moving axis
Dynamic, oscillating rod 19 drives motion bar 20 mobile by slide-bar 25, and slide-bar 25 moves in slide opening 24, and motion bar 20 drives kelly 21
One end inject in card slot 23, so that L-type inserted link 5 be fixed, while mobile bar 10 drives oval block 12 to move out elliptical aperture
Outside 11, ellipse of revolution block 12 at this time so that elliptical aperture 12 is rotated on spill spin block by swivelling chute so that oval block 12 with
Mobile bar 10 vertically connects, so that oval block 12 is stuck on the side of mounting blocks 4, the installation of back shroud 3 can be completed.
The present invention, frame 2 is interior to be equipped with protecting box 26, offers limiting slot on the top side of protecting box 26 and bottom side inner wall
30, the same limit plate 31 is movably installed in two limiting slots 30, and multiple power connections 28 are mounted on limit by bolt
On the side of plate 31, the side of back shroud 3 offers through-hole 27, and through-hole 27 is run through in the side of protecting box 26, and the one of protecting box 26
Side is equipped with cover board 29 by articulate, pulls cover board 29, so that pull rod 40 is moved in pulling eye 38 by pulling shaft 39, until
The side inner wall of pulling eye 38 blocks pulling shaft 39, so that pulling block 37 drives pull rod 40 mobile, pull rod 40 pulls bull stick 35 to rotate,
Bull stick 35 drives connecting rod 36 to rotate by a pin shaft, and connecting rod 36 drives l-shaped rod 33 to rotate by another pin shaft, so that L-type
It is mobile that bar 33 heads on limit plate 31, and the top side and bottom side of limit plate 31 move horizontally along two limiting slots 30 and make two the
One spring stress, until limit plate 31 drives out multiple power connections 28 outside protecting box 26.
The present invention, the side of cover board 29 are fixedly installed with the pulling block 37 in protecting box 26, the side activity of pulling block 37
Pull rod 40 is installed, the side of pull rod 40 is rotatably equipped with bull stick 35, is fixedly installed with shaft on the side inner wall of protecting box 26
34, bull stick 35 is actively socketed in shaft 34, and the side of bull stick 35 is rotatably equipped with connecting rod 36, the side rotational installation of connecting rod 36
There is l-shaped rod 33, rotation axis 32 is fixedly installed on the side inner wall of protecting box 26, l-shaped rod 33 is actively socketed in rotation axis 32,
One end of l-shaped rod 33 is adapted with the side of limit plate 31, pulls cover board 29, so that pull rod 40 is by pulling shaft 39 in pulling eye 38
It is mobile, until the side inner wall of pulling eye 38 blocks pulling shaft 39, so that pulling block 37 drives pull rod 40 mobile.
The present invention is fixedly installed with one end of the first spring, the other end of the first spring on the side inner wall of limiting slot 30
It is fixedly mounted on the side of limit plate 31, the top side and bottom side of limit plate 31 move horizontally and make along two limiting slots 30
Two the first spring stress.
The present invention, the side of pulling block 37 offer pulling eye 38, and pulling shaft 39, one end of pulling shaft 39 are movably installed in pulling eye 38
It is fixedly mounted on the side of pull rod 40.
The present invention, the side of connecting rod 36 are opened up there are two pin shaft hole, are movably installed with pin shaft in two pin shaft holes, and two
One end of pin shaft is respectively and fixedly installed on the side of l-shaped rod 33 and bull stick 35, and bull stick 35 drives connecting rod 36 by a pin shaft
Rotation, connecting rod 36 drive l-shaped rod 33 to rotate by another pin shaft.
The present invention, the side of fixed link 13 are opened up there are two movable span, are movably installed with movable axis in two movable spans,
One end of two movable axis is respectively and fixedly installed on the side of fixed link 13 and rotating bar 15, and fixed link 13 is mobile to pass through two
Movable axis drives two driven rods 16 to rotate, and two driven rods 16 drive two 15 turns of rotating bar by other two movable axis
It is dynamic.
The present invention, the side of motion bar 20 offer slide opening 24, are movably installed with slide-bar 25 in slide opening 24, and the one of slide-bar 25
End is fixedly mounted on the side of oscillating rod 19, and oscillating rod 19 drives motion bar 20 mobile by slide-bar 25, and slide-bar 25 is in slide opening
It is moved in 24.
The present invention, the side of oval block 12 open up fluted, and annular offers swivelling chute on the inner wall of groove, in swivelling chute
It is movably installed with spill spin block, one end of mobile bar 10 is fixedly mounted on the side of spill spin block, is socketed with second in mobile bar 10
Spring, one end of second spring are fixedly mounted on the side of fixed link 13, and the other end of second spring is fixedly mounted on U-shaped cavity
On 7 side inner wall, while mobile bar 10 drives oval block 12 to move out outside elliptical aperture 11, at this time ellipse of revolution block 12, so that
Elliptical aperture 12 is rotated on spill spin block by swivelling chute, is connect so that oval block 12 is vertical with mobile bar 10, so that
Oval block 12 is stuck on the side of mounting blocks 4.
The present invention, the side of connecting rod 18 are opened up there are two axis hole, are movably installed with band moving axis in two axis holes, and two
One end with moving axis is respectively and fixedly installed on the side of rotating bar 15 and oscillating rod 19, and two rotating bars 15 pass through two drives
Axis drives two connecting rods 18 mobile, and two connecting rods 18 drive oscillating rod 19 to rotate by other two band moving axis.
In the present invention, when needing to install, back shroud 3 is placed on the side of frame 2, so that one end of L-type inserted link 5
It injects in slot 6, so that L-type inserted link 5 heads on the movement of pressing plate 9, pressing plate 9 drives mobile bar 10 mobile, and mobile bar 10, which drives, fixes
Bar 13 is mobile and makes second spring stress, and fixed link 13 is mobile to drive two driven rods 16 to rotate by two movable axis, and two
A driven rod 16 drives two rotating bars 15 to rotate by other two movable axis, and two rotating bars 15 pass through two band moving axis bands
Dynamic two connecting rods 18 are mobile, and two connecting rods 18 drive oscillating rod 19 to rotate by other two band moving axis, and oscillating rod 19 is logical
Crossing slide-bar 25 drives motion bar 20 mobile, and slide-bar 25 moves in slide opening 24, and motion bar 20 drives one end of kelly 21 to inject card
In slot 23, to L-type inserted link 5 be fixed, while mobile bar 10 drives oval block 12 to move out outside elliptical aperture 11, rotates at this time
Oval block 12, so that elliptical aperture 12 is rotated on spill spin block by swivelling chute, so that oval block 12 is vertical with mobile bar 10
Connection, so that oval block 12 is stuck on the side of mounting blocks 4, can be completed the installation of back shroud 3, when needing using power supply
When connector 3, cover board 29 is pulled, so that pull rod 40 is moved in pulling eye 38 by pulling shaft 39, until the side inner wall blocking of pulling eye 38
Firmly pulling shaft 39, so that pulling block 37 drives pull rod 40 mobile, pull rod 40 pulls bull stick 35 to rotate, and bull stick 35 passes through a pin shaft
Connecting rod 36 is driven to rotate, connecting rod 36 drives l-shaped rod 33 to rotate by another pin shaft, so that l-shaped rod 33 heads on the shifting of limit plate 31
Dynamic, the top side and bottom side of limit plate 31 move horizontally along two limiting slots 30 and make two the first spring stress, until limit
Position plate 31 drives out multiple power connections 28 outside protecting box 26, and power connection 28 can be used at this time, when not used can will be electric
Source connector 28 is accommodated into protecting box 26.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (10)
1. the side of the LED display of the high gray scale of low-light level, including LED display (1), the LED display (1) is fixedly mounted
Have frame (2), the side of frame (2) is movably installed with back shroud (3), is equipped with multiple power connections (28) in frame (2), special
Sign is that the corner location of the back shroud (3) is fixedly installed with mounting blocks (4), and the side of mounting blocks (4) offers slotting
Slot (6) is fixedly installed with L-type inserted link (5) on the surrounding inner wall of frame (2), and one end of four L-type inserted links (5) each extends over
To four slots (6), is offered on mounting blocks (4) U-shaped cavity (7), moving hole (8) is offered on the side inner wall of slot (6),
It is movably installed with mobile bar (10) in moving hole (8), the both ends of mobile bar (10) all extend to moving hole (8) outside, mobile bar
(10) one end is fixedly installed with the pressing plate (9) in slot (6), one end of L-type inserted link (5) and the side phase of pressing plate (9)
Contact, U-shaped cavity (7) on the side inner wall of slot (6) far from offering elliptical aperture (11), and one end of mobile bar (10) is through ellipse
Hole (11) is simultaneously movably installed with oval block (12), and the side of oval block (12) is in contact with the side of mounting blocks (4), mobile bar
(10) fixing sleeve is connected to the fixed link (13) in U-shaped cavity (7) on, and there are two drive for the side rotational installation of fixed link (13)
Bar (16) is equipped with the installation axle (14) being fixedly mounted on the inner wall of U-shaped cavity (7) side above and below mobile bar (10),
Equal movable sleeve is connected to rotating bar (15) on two installation axles (14), and the side of two driven rods (16) is rotatably installed in two respectively
On the side of rotating bar (15), the side of two rotating bars (15) is rotatably equipped with connecting rod (18), two installation axles (14)
The side being located remotely from each other is equipped with the fixing axle (17) being fixedly mounted on the inner wall of U-shaped cavity (7) side, on two fixing axles (17)
Equal movable sleeve is connected to oscillating rod (19), and the side of two connecting rods (18) is rotatably installed in the side of two oscillating rods (19) respectively
On, the side of two oscillating rods (19) is movably installed with motion bar (20), and two motion bar (20) sides close to each other are equal
It is fixedly installed with kelly (21), is offered card hole (22) on U-shaped cavity (7) side inner wall close to each other, L-type inserted link (5)
Top side and bottom side offer card slot (23), and two kelly (21) one end close to each other extend through two card holes (22) and divide
It does not extend in two card slots (23).
2. the LED display of the high gray scale of low-light level according to claim 1, which is characterized in that be equipped in the frame (2)
Protecting box (26) offers limiting slot (30) on the top side of protecting box (26) and bottom side inner wall, living in two limiting slots (30)
Dynamic to be equipped with the same limit plate (31), multiple power connections (28) are mounted on the side of limit plate (31) by bolt,
The side of back shroud (3) offers through-hole (27), and through-hole (27) are run through in the side of protecting box (26), and the side of protecting box (26) is logical
It crosses articulate and cover board (29) is installed.
3. the LED display of the high gray scale of low-light level according to claim 1, which is characterized in that the one of the cover board (29)
Side is fixedly installed with the pulling block (37) in protecting box (26), and the side of pulling block (37) is movably installed with pull rod (40), pull rod
(40) side is rotatably equipped with bull stick (35), and shaft (34), bull stick are fixedly installed on the side inner wall of protecting box (26)
(35) it is actively socketed on shaft (34), the side of bull stick (35) is rotatably equipped with connecting rod (36), the side rotation of connecting rod (36)
It is equipped with l-shaped rod (33), is fixedly installed on the side inner wall of protecting box (26) rotation axis (32), l-shaped rod (33) pivot bush unit
On rotation axis (32), one end of l-shaped rod (33) is adapted with the side of limit plate (31).
4. the LED display of the high gray scale of low-light level according to claim 2, which is characterized in that the limiting slot (30)
One end of the first spring is fixedly installed on the inner wall of side, the other end of the first spring is fixedly mounted on the side of limit plate (31)
On.
5. the LED display of the high gray scale of low-light level according to claim 3, which is characterized in that the one of the pulling block (37)
Side offers pulling eye (38), is movably installed with pulling shaft (39) in pulling eye (38), one end of pulling shaft (39) is fixedly mounted on pull rod
(40) on side.
6. the LED display of the high gray scale of low-light level according to claim 3, which is characterized in that the one of the connecting rod (36)
Side is opened up there are two pin shaft hole, is movably installed with pin shaft in two pin shaft holes, one end of two pin shafts is respectively and fixedly installed to L
On the side of type bar (33) and bull stick (35).
7. the LED display of the high gray scale of low-light level according to claim 1, which is characterized in that the fixed link (13)
Side is opened up there are two movable span, is movably installed with movable axis in two movable spans, one end of two movable axis is fixed respectively
It is mounted on the side of fixed link (13) and rotating bar (15).
8. the LED display of the high gray scale of low-light level according to claim 1, which is characterized in that the motion bar (20)
Side offers slide opening (24), is movably installed with slide-bar (25) in slide opening (24), one end of slide-bar (25) is fixedly mounted on swing
On the side of bar (19).
9. the LED display of the high gray scale of low-light level according to claim 1, which is characterized in that the oval block (12)
Side opens up fluted, and annular offers swivelling chute on the inner wall of groove, and spill spin block, mobile bar are movably installed in swivelling chute
(10) one end is fixedly mounted on the side of spill spin block, and second spring, one end of second spring are socketed in mobile bar (10)
It is fixedly mounted on the side of fixed link (13), the other end of second spring is fixedly mounted on the side inner wall of U-shaped cavity (7).
10. the LED display of the high gray scale of low-light level according to claim 1, which is characterized in that the connecting rod (18)
Side is opened up there are two axis hole, band moving axis is movably installed in two axis holes, two one end with moving axis are fixedly mounted respectively
On the side of rotating bar (15) and oscillating rod (19).
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CN201910319611.5A CN110223605A (en) | 2019-04-19 | 2019-04-19 | The LED display of the high gray scale of low-light level |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN110832976A (en) * | 2019-11-14 | 2020-02-25 | 林辉 | Deep fertilization equipment for agricultural planting |
CN112536727A (en) * | 2019-09-23 | 2021-03-23 | 青岛永辉玛钢有限公司 | Crawler-type shot blasting machine for galvanizing workshop |
CN114999343A (en) * | 2022-07-25 | 2022-09-02 | 湖北长江新型显示产业创新中心有限公司 | Display device |
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2019
- 2019-04-19 CN CN201910319611.5A patent/CN110223605A/en active Pending
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
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CN112536727A (en) * | 2019-09-23 | 2021-03-23 | 青岛永辉玛钢有限公司 | Crawler-type shot blasting machine for galvanizing workshop |
CN110832976A (en) * | 2019-11-14 | 2020-02-25 | 林辉 | Deep fertilization equipment for agricultural planting |
CN114999343A (en) * | 2022-07-25 | 2022-09-02 | 湖北长江新型显示产业创新中心有限公司 | Display device |
CN114999343B (en) * | 2022-07-25 | 2023-09-19 | 湖北长江新型显示产业创新中心有限公司 | Display device |
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Application publication date: 20190910 |