CN114165711A - Large curved surface LED display screen - Google Patents

Large curved surface LED display screen Download PDF

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Publication number
CN114165711A
CN114165711A CN202111496060.3A CN202111496060A CN114165711A CN 114165711 A CN114165711 A CN 114165711A CN 202111496060 A CN202111496060 A CN 202111496060A CN 114165711 A CN114165711 A CN 114165711A
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CN
China
Prior art keywords
outer frame
display screen
base
led display
winding mechanism
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Granted
Application number
CN202111496060.3A
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Chinese (zh)
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CN114165711B (en
Inventor
江道荣
徐寿旺
唐荣峰
粟本才
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Shenzhen Xd Vision Co ltd
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Shenzhen Xindi Vision Technology Co ltd
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Priority to CN202111496060.3A priority Critical patent/CN114165711B/en
Publication of CN114165711A publication Critical patent/CN114165711A/en
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Publication of CN114165711B publication Critical patent/CN114165711B/en
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M13/00—Other supports for positioning apparatus or articles; Means for steadying hand-held apparatus or articles
    • F16M13/02—Other supports for positioning apparatus or articles; Means for steadying hand-held apparatus or articles for supporting on, or attaching to, an object, e.g. tree, gate, window-frame, cycle
    • 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
    • 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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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Displays For Variable Information Using Movable Means (AREA)

Abstract

The invention relates to the technical field of display screens, and discloses a large curved surface LED display screen which comprises an outer frame and a display screen body, wherein the display screen body is embedded in the outer surface of the outer frame, the end part of the outer frame is fixedly provided with a base, a plurality of groups of extension rotating rods are rotatably connected and arranged on the inner side of the outer frame, a winding mechanism is arranged in the base, the input end of the winding mechanism is provided with a driving mechanism in a transmission connection manner, the output end of the winding mechanism is provided with a traction rope in a winding connection manner, and the tail end of the traction rope, far away from the winding mechanism, is fixedly connected to the extension rotating rods. When the display screen is installed, the tail ends of the extension rotating rods are connected to the periphery of the stand columns in a sliding fit mode, the side faces of the outer frame and the stand columns are attached and relatively fixed through the driving of the driving mechanism, so that the connection relation among the outer frame, the display screen body and the stand columns is in a hidden connection mode, the limitation of the driving mechanism on the winding mechanism is removed, the outer frame can be pulled to be far away from the stand columns, the tail ends of the extension rotating rods rotate to be far away from the outer frame, and a gap is formed between the outer frame and the stand columns to facilitate maintenance.

Description

Large curved surface LED display screen
Technical Field
The invention relates to the technical field of display screens, in particular to a large curved surface LED display screen.
Background
An LED display (LED display) is a flat panel display, which is composed of small LED module panels, and is used to display various information such as text, images, video, and the like.
The utility model discloses a curved surface LED display screen of chinese patent publication No. CN214752716U, including the main part, set gradually from bottom to top in curved surface apron, light guide plate, LED lamp plate and the PCB board of main part, still include the curved surface bottom plate, the light guide plate with the LED lamp plate is made of flexible material, the curved surface apron is installed in the main part, the light guide plate respectively with curved surface apron with the laminating of LED lamp plate is connected, the curved surface bottom plate with the curved surface apron is connected and the curved surface bottom plate pressfitting in the LED lamp plate, the PCB board respectively with the LED lamp plate with the main part is connected, the utility model discloses simple structure, reasonable in design, light guide plate and the LED lamp plate that adopt flexible material to make, light guide plate and LED lamp plate can adapt to the curved surface apron (such as inner curved surface/outer curved surface, S face) of different shape structure to can laminate with curved surface apron completely, thereby reach ideal curved surface effect, and the production cost can be reduced, the production efficiency is improved, and the assembly is convenient.
When this curved surface LED display screen is using on stand or cambered surface wall body, its installation all need install through pendant or section bar installed part, and after the installation like this, assembly maintenance is all very difficult, inconvenient follow the building and pull down.
Disclosure of Invention
The invention aims to provide a large curved surface LED display screen to solve the problems that the installation proposed in the background art needs to be carried out through a pendant or a section installation piece, and the installation is very difficult to assemble and maintain and is inconvenient to disassemble from a building after the installation.
In order to achieve the purpose, based on the above thought, the invention provides the following technical scheme:
a large curved surface LED display screen comprises an outer frame and a display screen body, wherein the display screen body is embedded in the outer surface of the outer frame, a base is fixedly arranged at the end part of the outer frame, a plurality of groups of extending rotating rods are rotatably connected and arranged at the inner side of the outer frame, a winding mechanism is arranged in the base, a driving mechanism is arranged at the input end of the winding mechanism in a transmission connection manner, a traction rope is arranged at the output end of the winding mechanism in a winding manner, and the tail end of the traction rope, far away from the winding mechanism, is fixedly connected to the extending rotating rods;
when one end of the extension rotating rod relatively rotates to the outer side of the outer frame, the winding mechanism is driven to operate through the driving mechanism, and therefore the output end of the winding mechanism is wound with the traction rope and pulls the end, far away from the outer frame, of the extension rotating rod to move towards the outer frame relatively.
As a further scheme of the invention: the extension rotating rods are symmetrically and rotatably connected to two sides in the outer frame, and the multiple groups of extension rotating rods positioned on the same side of the outer frame are connected through rod materials.
As a further scheme of the invention: the extension bull stick is including rotating the body of rod of connection on the frame, the radian of the body of rod is the same with the crooked radian of frame, the body of rod is close to haulage rope one side embedding and is provided with the wiring hole, wiring hole and haulage rope link to each other, the expansion end rotation of extension bull stick is connected and is provided with the assembly plate.
As a further scheme of the invention: wire grooves are symmetrically embedded in two sides of the outer frame, the traction rope is arranged in the wire grooves in a sliding mode, guide wheels are rotatably connected to positions, corresponding to the wiring holes, on the wire grooves, and the tail ends of the traction rope penetrate through the guide wheels and are connected with the wiring holes.
As a further scheme of the invention: the frame inboard is provided with multiunit adsorption apparatus structure, adsorption apparatus structure includes the barrel that the inboard edge embedding of frame set up, barrel end opening and the inboard surface of frame flush, and barrel end opening inlays and is provided with the rubber packing ring, sliding fit is provided with the piston plate in the barrel, the one end and the haulage rope transmission connection of rubber packing ring are kept away from to the piston plate.
As a further scheme of the invention: the cylinder body is characterized in that a rubber film is embedded in an opening in the end part of the cylinder body, and the edge of the piston plate is connected with the inner side of the opening in the end part of the cylinder body through a spring.
As a further scheme of the invention: the base with the radian of frame is the same, the base is inboard to flush with the frame inboard, and the base cavity sets up, and the positive symmetry of base rotates and is connected with the lid door, the end of haulage rope link up the base and shunt on being located the winding mechanism of base, base lower extreme bilateral symmetry connects and is provided with the multiunit universal wheel, the edge fixedly connected with of base encloses the fender, the bottom edge that encloses fender bottom edge and universal wheel flushes.
As a further scheme of the invention: fixed connection is provided with the baffle in the base, wire winding mechanism is including rotating the action wheel of connection on the baffle and follow the driving wheel, from the setting of driving wheel symmetry in action wheel both sides, from the driving wheel with action wheel meshing transmission, coaxial drive connects from the driving wheel and is provided with the reel, the terminal wiring of haulage rope sets up in the reel periphery, coaxial drive is connected with actuating mechanism on the action wheel.
As a further scheme of the invention: the driving mechanism comprises a rotating shaft connected to the end of the driving wheel in a rotating transmission mode, a prismatic blind hole is formed in the end of the rotating shaft in an embedded mode, a transmission rod is arranged in the prismatic blind hole in a sliding fit mode, and a rotating cylinder is fixedly connected to the end, far away from the rotating shaft, of the transmission rod.
As a further scheme of the invention: the pivot is kept away from the terminal periphery of action wheel and is cup jointed fixedly and be provided with the ratchet, fixed connection is provided with the ring cover on the baffle, sliding fit connects in the ring cover and is provided with the slip ring, link to each other through the spring in slip ring and the ring cover, the slip ring top is passed through the bearing and is rotated a section of thick bamboo rotation and connect, the slip ring inner wall rotates through the torsional spring and connects and be provided with the multiunit card, the card with ratchet activity joint cooperation.
Compared with the prior art, the invention has the beneficial effects that: the tail end of the extension rotating rod can rotate relative to the outer frame during installation, then the tail end of the extension rotating rod far away from the outer frame is installed on a building upright post, the tail end of the extension rotating rod is connected to the periphery of the upright post in a sliding fit manner, the periphery of the upright post is sleeved with the fixed annular track, the tail end of the extension rotating rod is in a sliding fit manner on the annular track, a traction rope can be formed by driving the winding mechanism through the driving mechanism to pull the tail end of the extension rotating rod to be close to the outer frame, so that the tail end of the outer frame is accommodated on the back surface of the outer frame, the side surface of the outer frame is attached to the upright post and is fixed relatively, in this way, the connection relationship between the outer frame, the display screen body and the upright post is in a hidden connection manner, the installation stability can be guaranteed, the appearance can be guaranteed, when maintenance and repair is needed, the limitation of the driving mechanism on the winding mechanism is removed, so that the outer frame can be pulled to be far away from the upright post, and the tail end of the extension rotating rod can rotate and be far away from the outer frame, after a gap is formed between the outer frame and the upright column, the operation of maintenance personnel is facilitated, and the use is flexible and convenient.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a schematic structural diagram of the present invention.
Fig. 3 is a schematic sectional view in the direction of a-a in fig. 2.
Fig. 4 is an enlarged schematic view of a region D in fig. 3.
Fig. 5 is a schematic sectional view in the direction B-B in fig. 2.
Fig. 6 is an enlarged schematic structural view of a region E in fig. 5.
Fig. 7 is a schematic structural view of the driving mechanism of the present invention.
Fig. 8 is a schematic sectional view in the direction of C-C in fig. 7.
FIG. 9 is a schematic view of the structure of the adsorption mechanism of the present invention.
Fig. 10 is a schematic structural view of the extension rotating rod of the present invention.
In the figure: 1-outer frame, 11-wire groove, 12-universal wheel, 13-enclosure, 2-display screen body, 3-base, 31-cover door, 32-partition board, 4-extension rotating rod, 41-rod body, 42-wiring hole, 43-assembly board, 5-traction rope, 6-winding mechanism, 61-driving wheel, 62-driven wheel, 63-reel, 7-adsorption mechanism, 71-barrel body, 72-rubber gasket, 73-rubber membrane, 74-piston plate, 8-driving mechanism, 81-ring sleeve, 82-sliding ring, 83-rotating barrel, 84-rotating shaft, 85-ratchet wheel, 86-clamping piece and 87-driving rod.
Detailed Description
Referring to fig. 1-2, in the embodiment of the invention, a large curved surface LED display screen includes an outer frame 1 and a display screen body 2, the display screen body 2 is embedded in the outer surface of the outer frame 1, a base 3 is fixedly installed at the end of the outer frame 1, a plurality of groups of extension rotating rods 4 are rotatably connected to the inner side of the outer frame 1, a winding mechanism 6 is installed in the base 3, a driving mechanism 8 is connected to the input end of the winding mechanism 6 in a transmission manner, a traction rope 5 is connected to the output end of the winding mechanism 6 in a winding manner, and the tail end of the traction rope 5 far away from the winding mechanism 6 is fixedly connected to the extension rotating rods 4;
when one end of the extension rotating rod 4 relatively rotates to the outer side of the outer frame 1, the driving mechanism 8 drives the winding mechanism 6 to operate, so that the output end of the winding mechanism 6 is wound with the traction rope 5 and pulls the end of the extension rotating rod 4 far away from the outer frame 1 to move relatively to the outer frame 1.
In this embodiment, it is preferred, frame 1 and display screen body 2 are the crooked platelike structure of cambered surface, and frame 1 keeps away from the sunken setting in one side of display screen body 2, extends the sunken one side of bull stick 4 setting on frame 1, and frame 1 and display screen body 2's section semicircular in shape makes things convenient for two sets of this device symmetries to splice the formation parcel on the stand of building like this.
In this embodiment, preferably, the end of the extension rotating rod 4 can be rotated relative to the outer frame 1 during installation, and then the end of the extension rotating rod 4 far from the outer frame 1 is installed on a building column, preferably, the end of the extension rotating rod 4 is connected to the periphery of the column in a sliding fit manner, in order to achieve the purpose, a fixed circular track can be sleeved on the periphery of the column, the end of the extension rotating rod 4 is in a sliding fit manner on the circular track, the winding mechanism 6 is driven by the driving mechanism 8 to form a traction rope 5 to pull the end of the extension rotating rod 4 to approach the outer frame 1, so as to be accommodated in the back of the outer frame 1, and then the side surface of the outer frame 1 is attached to and relatively fixed with the column, so that the connection relationship between the outer frame 1, the display screen body 2 and the column is a hidden connection manner, which can not only ensure stable installation, but also can ensure beautiful appearance, when maintenance and repair are needed, the limitation of the driving mechanism 8 on the winding mechanism 6 is removed, thereby can stimulate frame 1 and keep away from the stand, and the end that extends bull stick 4 rotates and keeps away from frame 1, after forming the space between frame 1 and the stand, makes things convenient for maintainer to operate, and it is nimble convenient to use.
Referring to fig. 1-2, in the embodiment of the present invention, the extension rotating rods 4 are symmetrically and rotatably connected to two sides of the outer frame 1, and the multiple sets of extension rotating rods 4 located on the same side of the outer frame 1 are connected by rods.
In this embodiment, preferably, when extension bull stick 4 is being pull to haulage rope 5, the multiunit extends bull stick 4 and can rotate in step relatively frame 1, and when extension bull stick 4 rotated, the end that extends bull stick 4 can slide on the stand, can not cause the card to die, and the roll adjustment is nimble convenient between frame 1 and the stand.
Referring to fig. 10, in the embodiment of the present invention, the extension rotating rod 4 includes a rod body 41 rotatably connected to the outer frame 1, an arc of the rod body 41 is the same as a bending arc of the outer frame 1, a wiring hole 42 is embedded in a side of the rod body 41 close to the pulling rope 5, the wiring hole 42 is connected to the pulling rope 5, and an assembling plate 43 is rotatably connected to a movable end of the extension rotating rod 4.
In this embodiment, preferably, the thickness of the rod body 41 is the same as the depth of the back recess of the outer frame 1, the length of the rod body 41 is half of the width of the back recess of the outer frame 1, the assembling plate 43 is connected with the upright post or the annular guide rail installed on the upright post in a sliding fit manner, when the rod body 41 is pulled by the pulling rope 5 to rotate and enter the recess of the back of the outer frame 1, the outer frame 1 can be tightly attached to the upright post, and the installation is convenient and flexible.
Referring to fig. 1 to 4, in the embodiment of the present invention, the wire grooves 11 are symmetrically embedded in two sides of the outer frame 1, the pulling rope 5 is slidably disposed in the wire grooves 11, the wire grooves 11 are rotatably connected with guide wheels at positions corresponding to the wire connection holes 42, and the tail end of the pulling rope 5 passes through the guide wheels and is connected with the wire connection holes 42.
In this embodiment, preferably, the pulling rope 5 may be a single rope, and a plurality of groups of beam splitting joints may be disposed on the same rope, and the beam splitting joints may be connected to the wiring holes 42, so that the pulling rope 5 may pass through the guide pulley to maintain stable transmission, and may also be smoother and more flexible.
In order to avoid that the outer frame 1 is easy to rotate on the upright column due to the unlocking of the assembling plate 43 when the outer frame 1 is attached to the upright column, please refer to fig. 1, 2 and 9, in the embodiment of the present invention, a plurality of groups of adsorption mechanisms 7 are arranged on the inner side of the outer frame 1, each adsorption mechanism 7 includes a cylinder 71 embedded in the edge of the inner side of the outer frame 1, an opening at the end of the cylinder 71 is flush with the inner side surface of the outer frame 1, a rubber gasket 72 is embedded in an opening at the end of the cylinder 71, a piston plate 74 is arranged in the cylinder 71 in a sliding fit manner, and one end of the piston plate 74, which is far away from the rubber gasket 72, is in transmission connection with the hauling rope 5.
In this embodiment, preferably, the end of the hauling cable 5 is in a split beam shape and is connected with the wiring hole 42 and the piston plate 74 respectively, when the winding mechanism 6 pulls the hauling cable 5 to move, the outer frame 1 gradually approaches the attaching upright post, when the outer frame 1 is attached to the upright post, the rubber gasket 72 is pressed on the upright post, the piston plate 74 continues to slide in the cylinder 71 after the hauling cable 5 is pulled tightly, and the outer frame 1 can be fixed by negative pressure adsorption, so as to avoid shaking.
Referring to fig. 9, in the embodiment of the present invention, a rubber film 73 is embedded in an end opening of the cylinder 71, and an edge of the piston plate 74 is connected to an inner side of the end opening of the cylinder 71 through a spring.
In this embodiment, preferably, when haulage rope 5 draws piston plate 74 to slide, the spring at piston plate 74 edge is tensile, can drive rubber membrane 73 elastic deformation simultaneously, and rubber membrane 73 is sunken towards barrel 71 opening one side, after rubber washer 72 and stand contact, piston plate 74 continues to move down can utilize the deformation of rubber membrane 73 part again to form the absorption, haulage rope 5 stops drawing the back, piston plate 74 can reply the slip under the effect of spring, also make things convenient for frame 1 to keep away from the stand, the dismouting is maintained conveniently.
In order to facilitate the movement of the device, please refer to fig. 1-2, in the embodiment of the present invention, the radian of the base 3 is the same as that of the outer frame 1, the inner side of the base 3 is flush with that of the outer frame 1, the base 3 is arranged in a hollow manner, the front surface of the base 3 is symmetrically and rotatably connected with the cover door 31, the tail end of the traction rope 5 penetrates through the base 3 and is wound on the winding mechanism 6 located in the base 3, two sides of the lower end of the base 3 are symmetrically connected with a plurality of groups of universal wheels 12, the edge of the base 3 is fixedly connected with the enclosure 13, and the bottom edge of the enclosure 13 is flush with the bottom edge of the universal wheels 12.
In this embodiment, preferably, the enclosure 13 is made of rubber, the base 3 and the outer frame 1 can both move through the universal wheels 12, and the enclosure 13 can block and prevent dust and dirt from entering the bottom of the base 3.
Referring to fig. 1-2 and 5-6, in the embodiment of the present invention, a partition 32 is fixedly connected and disposed in the base 3, the winding mechanism 6 includes a driving wheel 61 and a driven wheel 62 rotatably connected to the partition 32, the driven wheel 62 is symmetrically disposed on two sides of the driving wheel 61, the driven wheel 62 and the driving wheel 61 are in meshing transmission, a reel 63 is coaxially connected and disposed on the driven wheel 62, the tail end of the traction rope 5 is arranged around the reel 63 in a winding manner, and the driving wheel 61 is coaxially connected and connected with a driving mechanism 8 in a transmission manner.
In this embodiment, it is preferred, when utilizing actuating mechanism 8 to drive action wheel 61 to rotate, can drive the rotation of the follow driving wheel 62 of both sides in step, utilize reel 63 to wind tight or release haulage rope 5 then, conveniently adjust the distance between frame 1 and the stand like this, all twine haulage rope 5 on the reel 63 of both sides, two sets of haulage rope 5 are settled respectively in the wire casing 11 of both sides, all set up in base 3 for guarantee action wheel 61 and follow driving wheel 62, action wheel 61 and follow driving wheel 62 can set up to the helical gear.
Referring to fig. 1-2 and 5-8, in the embodiment of the present invention, the driving mechanism 8 includes a rotating shaft 84 connected to an end of the driving wheel 61 in a rotating manner, a prismatic blind hole is embedded in an end of the rotating shaft 84, a driving rod 87 is disposed in the prismatic blind hole in a sliding fit manner, and a rotating cylinder 83 is fixedly connected to an end of the driving rod 87 away from the rotating shaft 84.
In this embodiment, preferably, the driving wheel 61 is driven to rotate by the rotating drum 83 through the cooperation of the transmission rod 87 and the rotating shaft 84, so as to control the traction of the traction rope 5.
Referring to fig. 1, 2, 5 and 8, in an embodiment of the present invention, a ratchet 85 is fixedly sleeved on an outer periphery of a distal end of the rotating shaft 84 away from the driving wheel 61, a ring sleeve 81 is fixedly connected to the partition plate 32, a sliding ring 82 is slidably connected to the ring sleeve 81, the sliding ring 82 is connected to the ring sleeve 81 through a spring, a top end of the sliding ring 82 is rotatably connected to the rotating cylinder 83 through a bearing, a plurality of sets of clamping pieces 86 are rotatably connected to an inner wall of the sliding ring 82 through a torsion spring, and the clamping pieces 86 are movably clamped to the ratchet 85.
In this embodiment, preferably, the axes of the rotary drum 83, the ring sleeve 81 and the rotary shaft 84 are all overlapped, the spring action clamping piece 86 between the sliding ring 82 and the ring sleeve 81 is matched with the ratchet wheel 85, at this time, the ratchet wheel 85 and the clamping piece 86 can only be matched in one way, so that when the rotary drum 83 drives the rotary shaft 84 to rotate, the hauling rope 5 can be tightened, the outer frame 1 is close to the upright column, and the distance is locked stably, when maintenance is needed, the rotary drum 83 is pulled to drive the sliding ring 82 to move relative to the ring sleeve 81, the clamping piece 86 on the sliding ring 82 is separated from the ratchet wheel 85, at this time, the rotating direction of the rotary shaft 84 is not locked any more, so that the rotary drum 83 can drive the rotary shaft 84 and the driving wheel 61 to be adjusted in two ways, so that the hauling rope 5 can be released from the reel 63, the distance between the outer frame 1 and the upright column can be conveniently pulled, and adjustment is convenient.
The working principle of the invention is as follows: when the device is used, firstly, the universal wheel 12 pushing device is utilized to enable the outer frame 1 to be close to the stand column, the assembling plate 43 is installed on the stand column to enable the assembling plate to be in sliding fit with the stand column, then the rotating cylinder 83 is rotated and adjusted, the rotating cylinder 83 can drive the driving wheel 61 to rotate through the matching of the transmission rod 87 and the rotating shaft 84, the driving wheel 61 drives the winding wheel 63 to wind the traction rope 5 through the meshing of the driven wheels 62 on two sides, the traction rope 5 can drive the rod body 41 to rotate relative to the outer frame 1, the rod body 41 can drive the outer frame 1 to be close to the stand column, and the outer frame 1 is gradually attached to the stand column, so that the connection relationship between the outer frame 1, the display screen body 2 and the stand column is hidden connection, the installation stability can be ensured, the appearance can be ensured, the limitation of the driving mechanism 8 on the winding mechanism 6 is removed when maintenance and repair is needed, and the outer frame 1 can be pulled to be far away from the stand column, the tail end of the extension rotating rod 4 rotates and is far away from the outer frame 1, and after a gap is formed between the outer frame 1 and the upright column, the operation of maintenance personnel is facilitated, and the use is flexible and convenient; when the traction rope 5 is tightened, the traction rope 5 pulls the piston plate 74 to slide, the spring at the edge of the piston plate 74 stretches, meanwhile, the rubber film 73 can be driven to elastically deform, the rubber film 73 is sunken towards one side of the opening of the cylinder 71, after the rubber gasket 72 is contacted with the upright post, the piston plate 74 continuously moves, and then the rubber film 73 can be deformed to form adsorption, after the traction rope 5 stops pulling, the piston plate 74 can return to slide under the action of the spring, the outer frame 1 is convenient to keep away from the upright post, and the assembly, disassembly and maintenance are convenient; when the rotating cylinder 83 is used for driving the rotating shaft 84 to rotate, the traction rope 5 can be tightened, so that the outer frame 1 is close to the upright column, the distance is locked stably, when maintenance is needed, the rotating cylinder 83 is pulled to drive the sliding ring 82 to move relative to the ring sleeve 81, the transmission rod 87 connected with the rotating cylinder 83 can slide relative to the prismatic blind hole in the rotating shaft 84, the clamping piece 86 in the sliding ring 82 is disengaged from the ratchet 85, the rotating direction of the rotating shaft 84 is not locked at the moment, the rotating cylinder 83 can be rotated to drive the rotating shaft 84 and the driving wheel 61 to be adjusted in two directions, the traction rope 5 can be released from the reel 63, the distance between the outer frame 1 and the upright column can be pulled conveniently, and adjustment is facilitated.

Claims (10)

1. A large curved surface LED display screen comprises an outer frame and a display screen body, wherein the display screen body is embedded in the outer surface of the outer frame, and the large curved surface LED display screen is characterized in that a base is fixedly arranged at the end part of the outer frame, a plurality of groups of extension rotating rods are rotatably connected and arranged at the inner side of the outer frame, a winding mechanism is arranged in the base, a driving mechanism is arranged on the input end of the winding mechanism in a transmission connection manner, a traction rope is arranged on the output end of the winding mechanism in a winding manner, and the tail end of the traction rope, far away from the winding mechanism, is fixedly connected to the extension rotating rods;
when one end of the extension rotating rod relatively rotates to the outer side of the outer frame, the winding mechanism is driven to operate through the driving mechanism, and therefore the output end of the winding mechanism is wound with the traction rope and pulls the end, far away from the outer frame, of the extension rotating rod to move towards the outer frame relatively.
2. The large-scale curved-surface LED display screen as claimed in claim 1, wherein the extension rotating rods are symmetrically and rotatably connected to two sides of the outer frame, and the multiple sets of extension rotating rods located at the same side of the outer frame are connected through rods.
3. The large-scale curved LED display screen according to claim 1 or 2, wherein the extension rotating rod comprises a rod body rotatably connected to the outer frame, the radian of the rod body is the same as the bending radian of the outer frame, a wiring hole is embedded in one side of the rod body close to the pulling rope and connected with the pulling rope, and an assembling plate is rotatably connected to the movable end of the extension rotating rod.
4. The large-scale curved-surface LED display screen according to claim 1, wherein the outer frame is symmetrically embedded with wire grooves at two sides, the pulling rope is slidably disposed in the wire grooves, guide wheels are rotatably connected to the wire grooves at positions corresponding to the wiring holes, and the ends of the pulling rope pass through the guide wheels and are connected with the wiring holes.
5. The large curved surface LED display screen according to claim 1, wherein a plurality of groups of adsorption mechanisms are arranged on the inner side of the outer frame, each adsorption mechanism comprises a cylinder embedded in the inner edge of the outer frame, the end opening of the cylinder is flush with the inner side surface of the outer frame, a rubber gasket is embedded in the end opening of the cylinder, a piston plate is arranged in the cylinder in a sliding fit manner, and one end, away from the rubber gasket, of the piston plate is in transmission connection with the traction rope.
6. The large-scale curved LED display screen according to claim 5, wherein a rubber membrane is embedded in the opening at the end of the cylinder, and the edge of the piston plate is connected with the inner side of the opening at the end of the cylinder through a spring.
7. The large curved surface LED display screen of claim 1, wherein the base and the outer frame have the same radian, the inner side of the base and the inner side of the outer frame are flush, the base is hollow, the front surface of the base is symmetrically and rotatably connected with the cover door, the tail end of the traction rope penetrates through the base and is wound on a winding mechanism in the base, a plurality of groups of universal wheels are symmetrically connected to the two sides of the lower end of the base, the edge of the base is fixedly connected with the enclosure, and the bottom edge of the enclosure is flush with the bottom edge of the universal wheel.
8. The large-scale curved LED display screen according to claim 7, wherein the base is internally fixedly connected with a partition, the winding mechanism comprises a driving wheel and a driven wheel which are rotatably connected to the partition, the driven wheel is symmetrically arranged on two sides of the driving wheel, the driven wheel and the driving wheel are in meshing transmission, the driven wheel is coaxially connected with a winding wheel in a transmission manner, the tail end of the traction rope is arranged on the periphery of the winding wheel in a winding manner, and the driving wheel is coaxially connected with a driving mechanism in a transmission manner.
9. The large-scale curved LED display screen according to claim 8, wherein the driving mechanism includes a rotating shaft rotatably connected to an end of the driving wheel, the end of the rotating shaft is embedded with a prismatic blind hole, a driving rod is slidably fitted in the prismatic blind hole, and a rotating cylinder is fixedly connected to an end of the driving rod away from the rotating shaft.
10. The large-scale curved LED display screen according to claim 9, wherein a ratchet wheel is fixedly connected to the periphery of the end of the rotating shaft away from the driving wheel, a ring sleeve is fixedly connected to the partition plate, a sliding ring is connected to the ring sleeve in a sliding fit manner, the sliding ring is connected to the inside of the ring sleeve by a spring, the top end of the sliding ring is rotatably connected to the rotating cylinder through a bearing, a plurality of sets of clamping pieces are rotatably connected to the inner wall of the sliding ring through a torsion spring, and the clamping pieces are movably clamped to the ratchet wheel.
CN202111496060.3A 2021-12-08 2021-12-08 Large-scale curved surface LED display screen Active CN114165711B (en)

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CN112762309A (en) * 2021-01-15 2021-05-07 浙江佳合文化科技股份有限公司 Turnover LED screen
CN214312464U (en) * 2020-12-11 2021-09-28 上海越菱信息技术有限公司 LED display screen

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CN207754423U (en) * 2017-08-29 2018-08-24 福州市晋安区凯鑫瑞网络科技有限公司 A kind of concealed repelling device
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