CN116704901B - High-flexibility curvature-adjustable LED display screen - Google Patents
High-flexibility curvature-adjustable LED display screen Download PDFInfo
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- CN116704901B CN116704901B CN202310934341.5A CN202310934341A CN116704901B CN 116704901 B CN116704901 B CN 116704901B CN 202310934341 A CN202310934341 A CN 202310934341A CN 116704901 B CN116704901 B CN 116704901B
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- 230000002457 bidirectional effect Effects 0.000 claims abstract description 26
- 230000005540 biological transmission Effects 0.000 claims description 20
- 238000009434 installation Methods 0.000 claims description 16
- 238000009423 ventilation Methods 0.000 claims description 4
- 238000001816 cooling Methods 0.000 claims description 3
- 238000005452 bending Methods 0.000 abstract description 38
- 238000000034 method Methods 0.000 abstract description 16
- 230000008569 process Effects 0.000 abstract description 15
- 230000000007 visual effect Effects 0.000 abstract description 10
- 230000000694 effects Effects 0.000 abstract description 8
- 230000009471 action Effects 0.000 description 12
- 238000010586 diagram Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
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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
- G09F9/301—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 flexible foldable or roll-able electronic displays, e.g. thin LCD, OLED
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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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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management
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Abstract
The invention provides a high-flexibility curvature-adjustable LED display screen, and relates to the technical field of high-flexibility LED display screens. The LED display screen comprises a mounting frame and a flexible plate, wherein the front end of the flexible plate is fixedly connected with the flexible display screen, the outer wall of the rear end of the mounting frame is fixedly connected with a mounting box, the middle part of the inner wall of the mounting box is fixedly connected with a first connecting plate, the plate body of the first connecting plate is fixedly connected with three first bearings, the middle part of the outer wall of the rear end of the flexible plate is fixedly connected with a second connecting plate, the plate body of the second connecting plate is fixedly connected with three second bearings, and the inner wall of the second bearing is fixedly connected with a first bidirectional threaded rod. The invention provides the high-flexibility curvature-adjustable LED display screen, which has a compact and reasonable overall structure, and meanwhile, has a good visual presentation effect when the LED display screen is bent, has high automation degree in the bending process, and is convenient for practical use of people.
Description
Technical Field
The invention relates to the technical field of high-flexibility LED display screens, in particular to a high-flexibility curvature-adjustable LED display screen.
Background
Along with the high-speed development of economy in China, the development of a high-flexibility LED display screen is also rapid, and the flexible LED display screen is a flexible LED lamp sheet manufactured by adopting a flexible substrate, and is characterized in that the flexible LED display screen can be manufactured into various shapes such as a plane screen, an arc screen, a cylindrical screen and the like, and besides, the luminous lamp beads of the flexible LED display screen are isolated from the substrate, so that the flexible LED display screen has the characteristics of water resistance, dust resistance, vibration resistance, high temperature resistance and the like, is more suitable for being used in special environments, and the arc angle and the display effect are required to be adjusted according to the curvature and the radius of the flexible LED display screen when the flexible LED display screen is manufactured. In addition, the adjustment of curvature can also help to reduce the deviation of visual angles and improve the definition of images.
However, after the traditional high-flexibility LED display screen is installed, the bending radian of the screen is mostly fixed, and the high-flexibility LED display screen in the use process is inconvenient for a worker to bend and adjust, so that the problems of low display effect and poor visual effect are easily caused in the application process of occasions such as a concert, a cinema, a market, a square, a sports event and the like, meanwhile, the traditional high-flexibility LED display screen mostly needs manual adjustment and positioning of the worker in the bending process, each area can be ensured to be uniformly bent, the whole display screen is not damaged or distorted, the worker is required to have higher technical level and rich experience in the process, and the bending efficiency of the display screen is reduced, so that technical improvement is urgently required.
Disclosure of Invention
(one) solving the technical problems
Aiming at the defects of the prior art, the invention provides the high-flexibility curvature-adjustable LED display screen, solves the problem that the traditional high-flexibility LED display screen is inconvenient for people to freely adjust the bending position in the use process, and solves the problem that the traditional high-flexibility LED display screen is too dependent on manual positioning adjustment of staff in the process of bending the screen.
(II) technical scheme
In order to achieve the above purpose, the invention is realized by the following technical scheme: the utility model provides a high flexible curvature adjustable LED display screen, includes mounting bracket and flexible board, the front end fixedly connected with flexible display screen of flexible board, the outer wall fixedly connected with installation box of mounting bracket rear end, the middle part fixedly connected with first connecting plate of installation box inner wall, the body of first connecting plate all fixedly connected with three first bearing, the middle part fixedly connected with second connecting plate of flexible board rear end outer wall, the body of second connecting plate all fixedly connected with three second bearing, the inner wall of second bearing all fixedly connected with first two-way threaded rod, the outer wall of first two-way threaded rod rear end all is fixedly connected with the inner wall of first bearing, the front end cover of first two-way threaded rod body is equipped with first thread bush, the both sides of first thread bush all are articulated to be connected with first hinge plate, the rear end threaded connection of first two-way threaded rod body has the second thread bush, both sides of second thread bush all are articulated to be connected with the second hinge plate;
the two sides of the upper surface of the mounting box are fixedly connected with a first servo motor, the output end of the first servo motor penetrates through the mounting box to the inside of the mounting box and is fixedly connected with a second bidirectional threaded rod, the lower end of the second bidirectional threaded rod is rotationally connected with the inner bottom surface of the mounting box, limit grooves are formed in the two sides of the bottom surface and the top surface of the mounting box, limit plates are slidably connected in the limit grooves, support plates are fixedly connected to the upper part and the lower part of the outer wall of the front end of each limit plate, jacking rollers are rotatably connected to the front end of each support plate, jacking grooves are formed in the two sides of the outer wall of the rear end of each flexible plate, and the jacking rollers are slidably connected in the jacking grooves;
through the technical scheme, the transmission gear can start to work by starting the second servo motor to rotate forward, then three first bidirectional threaded rods can work simultaneously under the action of the transmission rack, at this time, the first thread sleeve and the second thread sleeve start to move towards the adjacent direction, at this time, the middle part of the flexible plate and the flexible display screen can be bent towards the direction inside the installation frame under the action of the first hinge plate, and simultaneously, under the action of the second hinge plate, the two sides of the flexible plate and the flexible display screen, which are close to the middle part, start to bend and gather towards the direction of the center of the flexible display screen, so that the bending angle of the flexible display screen is increased, the bending arc line of the flexible display screen is smoother, the phenomenon that obvious pixel cutting occurs to the bending part of the flexible display screen is reduced, and the visual presentation effect of the flexible display screen is greatly improved.
Preferably, the shaft body of the second bidirectional threaded rod is sleeved with two third thread sleeves, one end, close to the center of the flexible plate, of each third thread sleeve is fixedly connected with a first universal ball, one end, far away from the center of the flexible plate, of each limiting plate is fixedly connected with two connecting blocks, one end, far away from the center of the flexible plate, of each connecting block is fixedly connected with a second universal ball, one end, far away from the center of the flexible plate, of each second universal ball is fixedly connected with a connecting rod, and one end, far away from each second universal ball, of each connecting rod is fixedly connected with the first universal ball;
through above-mentioned technical scheme, can make the two-way threaded rod of second rotate through starting first servo motor corotation, and then make the third thread bush remove towards opposite direction, make the connecting rod drive the limiting plate and slide in the inside of spacing groove, and then make the jacking roller slide in the inside of jacking groove, make the both sides of flexible board and flexible display screen begin to bend towards the center department of flexible display screen, and then reach the purpose of bending flexible display screen both sides.
Preferably, the sliding tray has been seted up to the front end of mounting bracket, the inside sliding connection of sliding tray has the observation window, the outer wall of observation window one side runs through the outside and fixedly connected with mounting panel of sliding tray to mounting bracket, the mounting panel passes through bolt fixed connection with the mounting bracket, the middle part fixedly connected with handle of mounting panel one side outer wall, the both sides of mounting bracket lower surface are fixedly connected with supporting leg respectively.
Through the technical scheme, the purpose of protecting the flexible display screen in real time can be achieved through the observation window.
Preferably, the outer walls of the two sides of the mounting frame are respectively fixedly connected with three cooling fans, and the inner walls of the two sides of the mounting frame are respectively provided with two rectangular ventilation holes.
Through the technical scheme, the purpose of radiating heat in real time can be achieved through the radiating fan, so that heat generated by the flexible display screen during operation is timely radiated, and long-term stable use of the flexible display screen is further ensured.
Preferably, the both sides of flexible board lower surface are all fixedly connected with arc, the arc wall has all been seted up to the both sides of mounting bracket front end bottom surface and top surface, the arc is all at the inside sliding connection of arc wall.
Through above-mentioned technical scheme, through the inside slip of arc at the arc groove, can make flexible display screen more stable at crooked in-process, be difficult for appearing the phenomenon of slope, and then guaranteed flexible display screen's visual experience.
Preferably, one end of the first hinged plate far away from the first threaded sleeve is hinged with the outer wall of the rear end of the flexible plate, and one end of the second hinged plate far away from the second threaded sleeve is hinged with the outer wall of the rear end of the flexible plate.
Preferably, both sides of the inner wall of the rear end of the mounting frame are provided with mounting grooves, the rear ends of the mounting grooves are respectively hinged with three air cylinders, and the output ends of the air cylinders are respectively hinged with the outer walls of both sides of the rear end of the flexible board;
through the technical scheme, the two sides of the flexible display screen can be more stable in the bending process by starting the air cylinder, and the bending angles of the two sides of the flexible display screen can be finely adjusted, so that the bending precision of the LED display screen is provided, and great convenience is brought to practical use of people.
Preferably, the lower part of the outer wall of one side of the mounting frame is fixedly connected with a control button and a PLC respectively.
Through above-mentioned technical scheme, through PLC controller and first servo motor, second servo motor and cylinder electric connection, can be convenient for the staff control through control button.
Preferably, the middle part fixedly connected with transmission box of installation box rear end outer wall, the lower part fixedly connected with second servo motor of transmission box rear end outer wall, the rear end of second bidirectional threaded rod all runs through the inside of installation box to transmission box and fixedly connected with drive gear, the outer wall of drive gear all overlaps and is equipped with the drive rack, the output of second servo motor runs through the transmission box and with lower extreme drive gear fixed connection.
(III) beneficial effects
The invention provides a high-flexibility curvature-adjustable LED display screen. The beneficial effects are as follows:
1. compared with the existing LED display screen, the LED display screen provided by the invention has the advantages that the driving gear can start to work by starting the second servo motor to rotate forward, and then three first bidirectional threaded rods can work simultaneously under the action of the driving rack, at the moment, the first threaded sleeve and the second threaded sleeve start to move towards adjacent directions, at the moment, the middle parts of the flexible plate and the flexible display screen can be bent towards the direction inside the mounting frame under the action of the first hinge plate, and at the same time, the two sides of the flexible plate and the flexible display screen close to the middle part start to be bent and gather towards the direction of the center of the flexible display screen under the action of the second hinge plate, so that the bending angle of the flexible display screen is increased, the bending arc of the flexible display screen is smoother, the phenomenon of obvious pixel cutting of the bending part of the flexible display screen is reduced, and the visual display effect of the flexible display screen is greatly improved.
2. Compared with the existing LED display screen, the LED display screen can enable the second bidirectional threaded rod to rotate by starting the first servo motor to rotate forward, further enable the third threaded sleeve to move towards the opposite direction, enable the connecting rod to drive the limiting plate to slide in the limiting groove, further enable the jacking roller to slide in the jacking groove, enable the two sides of the flexible plate and the flexible display screen to start to bend towards the center of the flexible display screen, further achieve the purpose of bending the two sides of the flexible display screen, enable the two sides of the flexible display screen to be more stable in the bending process by starting the air cylinder in the bending process, and enable bending angles of the two sides of the flexible display screen to be finely adjusted, so that bending accuracy of the LED display screen is provided, and great convenience is brought to practical use of people.
3. Compared with the existing LED display screen, the LED display screen is compact and reasonable in overall structure, good in visual presentation effect when the LED display screen is bent, high in automation degree in the bending process and convenient for practical use of people.
Drawings
FIG. 1 is a schematic view of the structure of a flexible plate, a second connecting plate, a first bidirectional threaded rod, a first connecting plate, a first hinge plate, a second hinge plate, a first servo motor, a second bidirectional threaded rod, a third threaded sleeve, a limiting plate, a jacking groove and a cylinder;
FIG. 2 is a schematic view of the structure of the second connecting plate, second bearing, first bi-directional threaded rod, first hinge plate and second hinge plate of the present invention;
FIG. 3 is a schematic view of the structure of the mounting box, the first connecting plate, the first bearing, the limit groove, the limit plate and the lifting roller of the present invention;
FIG. 4 is a schematic diagram of the positive construction of the present invention;
FIG. 5 is a schematic diagram of the reverse structure of the present invention;
FIG. 6 is a schematic view of a mounting frame according to the present invention;
FIG. 7 is a schematic view of the structure of the viewing window, mounting plate and handle of the present invention;
FIG. 8 is a schematic view of the flexible board, arcuate board and flexible display screen of the present invention;
fig. 9 is a schematic diagram of a front cross-sectional structure of the transmission case of the present invention.
1, a mounting rack; 2. a sliding groove; 3. an observation window; 4. a mounting plate; 5. a handle; 6. support legs; 7. a heat radiation fan; 8. rectangular ventilation holes; 9. a mounting box; 10. a first connection plate; 11. a first bearing; 12. a flexible board; 13. a flexible display screen; 14. a second connecting plate; 15. a second bearing; 16. a first bi-directional threaded rod; 17. a first threaded sleeve; 18. a first hinge plate; 19. a second threaded sleeve; 20. a second hinge plate; 21. a jacking groove; 22. a first servo motor; 23. a second bi-directional threaded rod; 24. a third thread bush; 25. a first universal ball; 26. a limit groove; 27. a limiting plate; 28. a support plate; 29. a lifting roller; 30. a connecting block; 31. a second universal ball; 32. a connecting rod; 33. a transmission box; 34. a second servo motor; 35. a transmission gear; 36. a drive rack; 37. a mounting groove; 38. a cylinder; 39. an arc-shaped plate; 40. an arc-shaped groove; 41. a control button; 42. and a PLC controller.
Description of the embodiments
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1-9, the embodiment of the invention provides a high-flexibility curvature-adjustable type LED display screen, which comprises a mounting frame 1 and a flexible board 12, wherein the front end of the flexible board 12 is fixedly connected with a flexible display screen 13, the outer wall of the rear end of the mounting frame 1 is fixedly connected with a mounting box 9, the middle part of the inner wall of the mounting box 9 is fixedly connected with a first connecting board 10, the bodies of the first connecting board 10 are fixedly connected with three first bearings 11, the middle part of the outer wall of the rear end of the flexible board 12 is fixedly connected with a second connecting board 14, the bodies of the second connecting board 14 are fixedly connected with three second bearings 15, the inner wall of the second bearings 15 is fixedly connected with a first bidirectional threaded rod 16, the outer wall of the rear end of the first bidirectional threaded rod 16 is fixedly connected with the inner wall of the first bearing 11, the front end of the rod body of the first bidirectional threaded rod 16 is sleeved with a first threaded sleeve 17, two sides of the first threaded sleeve 17 are hinged with a first hinge plate 18, the rear end of the rod of the first bidirectional threaded rod 16 is screwed with a second threaded sleeve 19, and two sides of the second hinge plate 19 are hinged with a second hinge plate 20;
the two sides of the upper surface of the mounting box 9 are fixedly connected with a first servo motor 22, the output end of the first servo motor 22 penetrates through the mounting box 9 to the inside of the mounting box 9 and is fixedly connected with a second bidirectional threaded rod 23, the lower end of the second bidirectional threaded rod 23 is rotationally connected with the inner bottom surface of the mounting box 9, both sides of the bottom surface and the top surface of the mounting box 9 are provided with limiting grooves 26, the inside of each limiting groove 26 is slidably connected with a limiting plate 27, the upper part and the lower part of the outer wall of the front end of each limiting plate 27 are fixedly connected with a supporting plate 28, the front end of each supporting plate 28 is rotationally connected with a jacking roller 29, both sides of the outer wall of the rear end of each flexible plate 12 are respectively provided with jacking grooves 21, and the jacking rollers 29 are slidably connected in the jacking grooves 21;
the transmission gear 35 can start to work by starting the second servo motor 34 to rotate forward, and then three first bidirectional threaded rods 16 can work simultaneously under the action of the transmission rack 36, at this time, the first threaded sleeve 17 and the second threaded sleeve 19 start to move towards adjacent directions, at this time, the middle parts of the flexible plate 12 and the flexible display screen 13 can be bent towards the direction inside the installation frame 1 under the action of the first hinge plate 18, at the same time, under the action of the second hinge plate 20, the two sides of the flexible plate 12 and the flexible display screen 13 close to the middle part start to be bent and gather towards the direction of the center of the flexible display screen 13, so that the bending angle of the flexible display screen 13 is increased, at the same time, the bending arc line of the flexible display screen 13 is smoother, at the same time, the phenomenon that obvious pixel cutting occurs at the bending part of the flexible display screen 13 is reduced, and the visual presentation effect of the flexible display screen 13 is greatly improved.
The shaft of the second bidirectional threaded rod 23 is sleeved with two third thread sleeves 24, one end, close to the center of the flexible plate 12, of each third thread sleeve 24 is fixedly connected with a first universal ball 25, one end, far away from the center of the flexible plate 12, of each limiting plate 27 is fixedly connected with two connecting blocks 30, one end, far away from the center of the flexible plate 12, of each connecting block 30 is fixedly connected with a second universal ball 31, one end, far away from the center of the flexible plate 12, of each second universal ball 31 is fixedly connected with a connecting rod 32, and one end, far away from the second universal ball 31, of each connecting rod 32 is fixedly connected with the first universal ball 25;
the second bidirectional threaded rod 23 can be rotated by starting the first servo motor 22 to rotate forward, so that the third threaded sleeve 24 moves in the opposite direction, the connecting rod 32 drives the limiting plate 27 to slide in the limiting groove 26, the jacking roller 29 slides in the jacking groove 21, the two sides of the flexible plate 12 and the flexible display screen 13 start to bend towards the center of the flexible display screen 13, and the purpose of bending the two sides of the flexible display screen 13 is achieved.
The sliding tray 2 has been seted up to the front end of mounting bracket 1, and the inside sliding connection of sliding tray 2 has observation window 3, and the outer wall of observation window 3 one side runs through sliding tray 2 to the outside of mounting bracket 1 and fixedly connected with mounting panel 4, and mounting panel 4 passes through bolt fixed connection with mounting bracket 1, and the middle part fixedly connected with handle 5 of mounting panel 4 one side outer wall, the both sides of mounting bracket 1 lower surface are fixedly connected with supporting leg 6 respectively.
The purpose of protecting the flexible display screen 13 in real time can be achieved through the observation window 3.
The outer walls of the two sides of the mounting frame 1 are respectively fixedly connected with three cooling fans 7, and the inner walls of the two sides of the mounting frame 1 are respectively provided with two rectangular ventilation holes 8.
The purpose of real-time heat dissipation can be achieved through the heat dissipation fan 7, so that heat generated by the flexible display screen 13 during operation is timely dissipated, and long-term stable use of the flexible display screen 13 is further ensured.
Arc plates 39 are fixedly connected to two sides of the lower surface of the flexible plate 12, arc grooves 40 are formed in two sides of the bottom surface and the top surface of the front end of the mounting frame 1, and the arc plates 39 are slidably connected in the arc grooves 40.
By sliding the arc plate 39 in the arc groove 40, the flexible display screen 13 can be more stable in the bending process, and the phenomenon of inclination is not easy to occur, so that the visual experience of the flexible display screen 13 is ensured.
One end of the first hinge plate 18, which is far away from the first thread bush 17, is hinged with the outer wall of the rear end of the flexible plate 12, and one end of the second hinge plate 20, which is far away from the second thread bush 19, is hinged with the outer wall of the rear end of the flexible plate 12.
The two sides of the inner wall of the rear end of the mounting frame 1 are provided with mounting grooves 37, the rear ends of the mounting grooves 37 are respectively hinged with three air cylinders 38, and the output ends of the air cylinders 38 are respectively hinged with the outer walls of the two sides of the rear end of the flexible board 12;
the two sides of the flexible display screen 13 can be more stable in the bending process by starting the air cylinders 38, and the bending angles of the two sides of the flexible display screen 13 can be finely adjusted, so that the bending precision of the LED display screen is provided, and great convenience is brought to practical use of people.
The lower part of the outer wall of one side of the mounting frame 1 is fixedly connected with a control button 41 and a PLC controller 42 respectively.
The PLC controller 42 is electrically connected with the first servo motor 22, the second servo motor 34 and the air cylinder 38, so that a worker can conveniently control the servo motor through the control button 41.
The middle part fixedly connected with transmission box 33 of mounting box 9 rear end outer wall, the lower part fixedly connected with second servo motor 34 of transmission box 33 rear end outer wall, the rear end of second bidirectional threaded rod 23 all runs through mounting box 9 to the inside of transmission box 33 and fixedly connected with drive gear 35, the outer wall of drive gear 35 all overlaps and is equipped with drive rack 36, the output of second servo motor 34 runs through transmission box 33 and with lower extreme drive gear 35 fixed connection.
Working principle: the LED display screen can start to work through starting the second servo motor 34 to rotate forward, and then can enable three first bidirectional threaded rods 16 to work simultaneously under the action of the transmission rack 36, at the moment, the first thread sleeve 17 and the second thread sleeve 19 start to move towards adjacent directions, at the moment, the middle parts of the flexible plate 12 and the flexible display screen 13 can be bent towards the direction inside the mounting frame 1 under the action of the first hinge plate 18, at the same time, under the action of the second hinge plate 20, the two sides of the flexible plate 12 and the flexible display screen 13 close to the middle part start to be bent and gather towards the direction of the center of the flexible display screen 13, thereby increasing the bending angle of the flexible display screen 13, simultaneously enabling the bending arc of the flexible display screen 13 to be smoother, simultaneously reducing the phenomenon that obvious pixel cutting occurs at the bending part of the flexible display screen 13, and further greatly improving the visual presentation effect of the flexible display screen 13, when people need to bend the edges of the two sides of the flexible display screen 13, the first servo motor 22 is started to rotate forward to enable the second bidirectional threaded rod 23 to rotate, the third threaded sleeve 24 is further enabled to move towards the opposite direction, the connecting rod 32 drives the limiting plate 27 to slide in the limiting groove 26, the jacking roller 29 is further enabled to slide in the jacking groove 21, the two sides of the flexible plate 12 and the flexible display screen 13 start to bend towards the center of the flexible display screen 13, the purpose of bending the two sides of the flexible display screen 13 is achieved, meanwhile, in the bending process of the two sides of the flexible display screen 13, the two sides of the flexible display screen 13 can be more stable in the bending process through the starting cylinder 38, the bending angles of the two sides of the flexible display screen 13 can be finely adjusted, and the bending precision of the LED display screen is further provided, bringing great convenience to the practical use of people.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The utility model provides a high flexible curvature adjustable LED display screen, includes mounting bracket (1) and flexible board (12), its characterized in that: the front end fixedly connected with flexible display screen (13) of flexible board (12), the outer wall fixedly connected with installation box (9) of mounting bracket (1) rear end, the middle part fixedly connected with first connecting plate (10) of installation box (9) inner wall, the body of first connecting plate (10) all fixedly connected with three first bearing (11), the middle part fixedly connected with second connecting plate (14) of flexible board (12) rear end outer wall, the body of second connecting plate (14) all fixedly connected with three second bearing (15), the inner wall of second bearing (15) all fixedly connected with first two-way threaded rod (16), the outer wall of first two-way threaded rod (16) rear end all is fixedly connected with the inner wall of first bearing (11), the front end cover of first two-way threaded rod (16) shaft is equipped with first thread bush (17), the both sides of first thread bush (17) all hinge joint first hinged plate (18), the rear end of first two-way threaded rod (16) shaft all is connected with second hinge plate (19), both sides of second hinge plate (19) all have the thread bush (19);
the utility model discloses a lifting device for a flexible board, including installation box (9), fixed box (9), limiting groove (26) are all offered to both sides of installation box (9) upper surface, first servo motor (22) of both sides equal fixedly connected with, the output of first servo motor (22) all runs through the inside of installation box (9) to installation box (9) and fixedly connected with second bidirectional threaded rod (23), the lower extreme of second bidirectional threaded rod (23) rotates with the interior bottom surface of installation box (9) to be connected, spacing groove (26) have all been offered to both sides of installation box (9) bottom surface and top surface, the inside of spacing groove (26) all sliding connection has limiting plate (27), the upper portion and the equal fixedly connected with backup pad (28) of lower part of limiting plate (27) front end outer wall, jacking groove (21) have been offered respectively to the both sides of flexible board (12) rear end outer wall, jacking roller (29) all are at the inside sliding connection of jacking groove (21).
2. The high-flexibility curvature-adjustable type LED display screen according to claim 1, wherein: the utility model discloses a flexible printed circuit board, including flexible printed circuit board (12), shaft, connecting block, flexible printed circuit board (12), first universal ball (25) of the equal cover of shaft of second bidirectional threaded rod (23), the equal cover of one end that third thread cover (24) is close to flexible printed circuit board (12) center department is first universal ball (25) of equal fixedly connected with, the one end that flexible printed circuit board (12) center department was kept away from to limiting plate (27) is two connecting blocks (30) of equal fixedly connected with, the one end that flexible printed circuit board (12) center department was kept away from to connecting block (30) is equal fixedly connected with second universal ball (31), the one end that flexible printed circuit board (12) center department was kept away from to second universal ball (31) is equal fixedly connected with connecting rod (32), one end that second universal ball (31) was kept away from to connecting rod (32) is all with first universal ball (25).
3. The high-flexibility curvature-adjustable type LED display screen according to claim 1, wherein: the utility model discloses a sliding tray, including mounting bracket (1), sliding tray (2), observation window (3) have been seted up to the front end of mounting bracket (1), the outside and fixedly connected with mounting panel (4) of sliding tray (2) to mounting bracket (1) are run through to the outer wall of observation window (3) one side, mounting panel (4) and mounting bracket (1) pass through bolt fixed connection, middle part fixedly connected with handle (5) of mounting panel (4) one side outer wall, both sides of mounting bracket (1) lower surface are fixedly connected with supporting leg (6) respectively.
4. The high-flexibility curvature-adjustable type LED display screen according to claim 1, wherein: the outer walls of the two sides of the mounting frame (1) are respectively fixedly connected with three cooling fans (7), and the inner walls of the two sides of the mounting frame (1) are respectively provided with two rectangular ventilation holes (8).
5. The high-flexibility curvature-adjustable type LED display screen according to claim 1, wherein: arc (39) are fixedly connected to the two sides of the lower surface of the flexible plate (12), arc grooves (40) are formed in the two sides of the bottom surface and the top surface of the front end of the mounting frame (1), and the arc (39) is in sliding connection with the inside of the arc grooves (40).
6. The high-flexibility curvature-adjustable type LED display screen according to claim 1, wherein: one end of the first hinged plate (18) far away from the first threaded sleeve (17) is hinged with the outer wall of the rear end of the flexible plate (12), and one end of the second hinged plate (20) far away from the second threaded sleeve (19) is hinged with the outer wall of the rear end of the flexible plate (12).
7. The high-flexibility curvature-adjustable type LED display screen according to claim 1, wherein: mounting grooves (37) are formed in two sides of the inner wall of the rear end of the mounting frame (1), three air cylinders (38) are hinged to the rear ends of the mounting grooves (37) respectively, and output ends of the air cylinders (38) are hinged to outer walls of two sides of the rear end of the flexible board (12).
8. The high-flexibility curvature-adjustable type LED display screen according to claim 1, wherein: the lower part of the outer wall of one side of the mounting frame (1) is fixedly connected with a control button (41) and a PLC (programmable logic controller) 42 respectively.
9. The high-flexibility curvature-adjustable type LED display screen according to claim 1, wherein: the middle part fixedly connected with transmission box (33) of installation box (9) rear end outer wall, the lower part fixedly connected with second servo motor (34) of transmission box (33) rear end outer wall, the rear end of second bidirectional threaded rod (23) all runs through the inside of installation box (9) to transmission box (33) and fixedly connected with drive gear (35), the outer wall of drive gear (35) all overlaps and is equipped with drive rack (36), the output of second servo motor (34) runs through transmission box (33) and with lower extreme drive gear (35) fixed connection.
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| CN202310934341.5A CN116704901B (en) | 2023-07-28 | 2023-07-28 | High-flexibility curvature-adjustable LED display screen |
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| CN202310934341.5A CN116704901B (en) | 2023-07-28 | 2023-07-28 | High-flexibility curvature-adjustable LED display screen |
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| CN105225614A (en) * | 2015-10-26 | 2016-01-06 | 京东方科技集团股份有限公司 | A kind of camber display screen curvature regulating device and using method, curved-surface display device |
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| CN104332114B (en) * | 2014-11-04 | 2017-10-31 | 深圳金立翔视效科技有限公司 | Flexible LED modules, round LED module and waveform LED modules |
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| CN210805777U (en) * | 2019-12-24 | 2020-06-19 | 广州市扬程电子有限公司 | Control device based on adjustable OLED screen curvature |
| CN114399963A (en) * | 2022-01-27 | 2022-04-26 | 山东晶大光电科技有限公司 | LED display screen fixing box |
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