CN114165711B - Large-scale curved surface LED display screen - Google Patents
Large-scale curved surface LED display screen Download PDFInfo
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- CN114165711B CN114165711B CN202111496060.3A CN202111496060A CN114165711B CN 114165711 B CN114165711 B CN 114165711B CN 202111496060 A CN202111496060 A CN 202111496060A CN 114165711 B CN114165711 B CN 114165711B
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- outer frame
- display screen
- base
- winding mechanism
- curved surface
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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
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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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- 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 utility model 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, 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 on the inner side of the outer frame, a winding mechanism is arranged in the base, the input end of the winding mechanism is in transmission connection with a driving mechanism, a traction rope is wound on the output end of the winding mechanism, and the tail end of the traction rope, which is far away from the winding mechanism, is fixedly connected on the extension rotating rods. The tail end of the extension rotating rod is connected to the periphery of the upright post in a sliding fit manner, the side face of the outer frame is bonded with the upright post and is relatively fixed through the driving of the driving mechanism, so that the connection relation among the outer frame, the display screen body and the upright post is hidden connection, the limit of the driving mechanism on the winding mechanism is removed, the outer frame can be pulled to be far away from the upright post, the tail end of the extension rotating rod rotates and is far away from the outer frame, and a gap is formed between the outer frame and the upright post, so that the maintenance is convenient.
Description
Technical Field
The utility model relates to the technical field of display screens, in particular to a large-scale 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 a device for displaying various information such as text, images, and video.
The utility model discloses a curved surface LED display screen of Chinese patent publication No. CN214752716U, which comprises a main body, and further comprises a curved surface bottom plate, a curved surface cover plate, a light guide plate, an LED lamp plate and a PCB (printed circuit board) which are sequentially arranged on the main body from bottom to top, wherein the light guide plate and the LED lamp plate are made of flexible materials, the curved surface cover plate is arranged on the main body, the light guide plate is respectively connected with the curved surface cover plate and the LED lamp plate in a laminating manner, the curved surface bottom plate is connected with the curved surface cover plate, the curved surface bottom plate is pressed on the LED lamp plate, and the PCB is respectively connected with the LED lamp plate and the main body.
When the curved surface LED display screen is applied to the upright post or the cambered surface wall body, the installation of the curved surface LED display screen is carried out through hanging pieces or profile installation pieces, and after the installation, the installation and maintenance are very difficult, and the curved surface LED display screen is inconvenient to detach from a building.
Disclosure of Invention
The utility model aims to provide a large curved surface LED display screen, which solves the problems that in the prior art, installation is required to be carried out through hanging pieces or sectional material installation pieces, assembly and maintenance are very difficult after the installation, and the LED display screen is inconvenient to detach from a building.
In order to achieve the above purpose, based on the above thought, the present utility model provides the following technical solutions:
the large curved surface LED display screen comprises an outer frame and a display screen body, wherein the display screen body is embedded and arranged on 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 extension rotating rods are rotatably connected and arranged on 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 extension rotating rods;
when one end of the extending rotating rod relatively rotates to the outer side of the outer frame, the driving mechanism drives the winding mechanism to operate, so that the output end of the winding mechanism is wound with the traction rope and pulls the tail end of the extending rotating rod, which is far away from the outer frame, to relatively move towards the outer frame.
As a further scheme of the utility model: the extension rotating rods are symmetrically and rotatably connected to two sides in the outer frame, and a plurality of groups of extension rotating rods positioned on the same side of the outer frame are connected through rods.
As a further scheme of the utility model: the extension bull stick is including rotating the body of rod of connecting on the frame, the radian of the body of rod is the same with the crooked radian of frame, the embedding of body of rod is close to haulage rope one side is provided with the wiring hole, the wiring hole links to each other with the haulage rope, the expansion end of extension bull stick rotates the connection and is provided with the assembly plate.
As a further scheme of the utility model: the wire grooves are symmetrically embedded in the two sides of the outer frame, the traction ropes are slidably arranged in the wire grooves, guide wheels are rotatably connected to the positions, corresponding to the wiring holes, of the wire grooves, and the tail ends of the traction ropes penetrate through the guide wheels and are connected with the wiring holes.
As a further scheme of the utility model: the inner side of the outer frame is provided with a plurality of groups of adsorption mechanisms, each adsorption mechanism comprises a cylinder body, the inner edge of the outer frame is embedded and arranged, an opening at the end of each cylinder body is flush with the inner surface of the outer frame, a rubber gasket is embedded and arranged at the opening at the end of each cylinder body, a piston plate is arranged in sliding fit in each cylinder body, and one end, far away from the rubber gasket, of each piston plate is in transmission connection with a traction rope.
As a further scheme of the utility model: the cylinder end opening is embedded with a rubber film, and the edge of the piston plate is connected with the inner side of the cylinder end opening through a spring.
As a further scheme of the utility model: the base with the radian of frame is the same, the base inboard flushes with the frame is inboard, and the base cavity sets up, and the positive symmetry rotation of base is connected with the lid door, the end of haulage rope link up the base and the winding machine who is located the base constructs, base lower extreme both sides symmetrical connection is provided with multiunit universal wheel, the edge fixedly connected with of base encloses the fender, enclose the bottom edge that keeps off bottom edge and universal wheel and flush.
As a further scheme of the utility model: the base is internally and fixedly connected with a partition board, the winding mechanism comprises a driving wheel and a driven wheel which are rotationally connected to the partition board, the driven wheels are symmetrically arranged on two sides of the driving wheel, the driven wheels are in meshed transmission with the driving wheel, a winding wheel is coaxially and drivingly connected to the driven wheels, the tail end of a traction rope is wound on the periphery of the winding wheel, and a driving mechanism is coaxially and drivingly connected to the driving wheel.
As a further scheme of the utility model: the driving mechanism comprises a rotating shaft which is connected to the end part of the driving wheel in a rotating transmission manner, a prismatic blind hole is embedded in the end part of the rotating shaft, a transmission rod is arranged in the prismatic blind hole in a sliding fit manner, and a rotating cylinder is fixedly connected to the end part, far away from the rotating shaft, of the transmission rod.
As a further scheme of the utility model: the end periphery that the action wheel was kept away from to the pivot cup joints fixedly and is 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 rotated through bearing and a rotary drum and is connected, the slip ring inner wall is provided with multiunit card through torsional spring rotation connection, the card with ratchet activity joint cooperation.
Compared with the prior art, the utility model has the beneficial effects that: the end that can extend the bull stick during the installation rotates relative frame, then will extend the bull stick and keep away from the terminal installation of frame to the building stand on, the end that extends the bull stick is sliding fit and is connected to the stand periphery, cup joint fixed annular track earlier at the stand periphery, the end sliding fit that extends the bull stick is on annular track, can form the haulage rope through actuating mechanism drive wire winding mechanism and pull the end that extends the bull stick to be close to the frame, thereby accomodate the back of frame, realize the side and the stand laminating of frame and relatively fixed, like this, the connected relation between frame, the display screen body and the stand is hidden connection, can guarantee the installation stability again, when needing maintenance repair, remove actuating mechanism to wire winding mechanism's restriction, thereby can pull the frame and keep away from the stand, and extend the end rotation of bull stick and keep away from the frame, after forming the space between frame and the stand, convenience maintenance personnel operate, flexible and convenient to use.
Drawings
Fig. 1 is a schematic perspective view of the present utility model.
Fig. 2 is a schematic structural view of the present utility model.
FIG. 3 is a schematic cross-sectional view of the structure of FIG. 2 in the direction A-A.
Fig. 4 is an enlarged schematic view of the area D in fig. 3.
Fig. 5 is a schematic sectional view of the structure in the direction B-B in fig. 2.
Fig. 6 is an enlarged schematic view of the area E in fig. 5.
Fig. 7 is a schematic structural view of a driving mechanism in the present utility model.
Fig. 8 is a schematic view of the cross-sectional structure in the direction C-C of fig. 7.
Fig. 9 is a schematic structural view of an adsorption mechanism in the present utility model.
FIG. 10 is a schematic view of an extension bar according to the present utility model.
In the figure: the device comprises a 1-outer frame, a 11-wire slot, a 12-universal wheel, a 13-enclosure, a 2-display screen body, a 3-base, a 31-cover door, a 32-partition board, a 4-extension rotating rod, a 41-rod body, a 42-wiring hole, a 43-assembly board, a 5-traction rope, a 6-winding mechanism, a 61-driving wheel, a 62-driven wheel, a 63-winding wheel, a 7-adsorption mechanism, a 71-barrel, a 72-rubber gasket, a 73-rubber film, a 74-piston board, an 8-driving mechanism, a 81-ring sleeve, a 82-sliding ring, a 83-rotating barrel, a 84-rotating shaft, a 85-ratchet wheel, a 86-card and a 87-transmission rod.
Detailed Description
Referring to fig. 1-2, in the embodiment of the utility model, a large curved LED display screen comprises an outer frame 1 and a display screen body 2, wherein the display screen body 2 is embedded in the outer surface of the outer frame 1, a base 3 is fixedly arranged at the end part of the outer frame 1, a plurality of groups of extension rotating rods 4 are rotatably connected and arranged at the inner side of the outer frame 1, a winding mechanism 6 is arranged in the base 3, a driving mechanism 8 is arranged at the input end of the winding mechanism 6 in a transmission connection manner, a traction rope 5 is arranged at the output end of the winding mechanism 6 in a winding connection manner, and the tail end of the traction rope 5 far away from the winding mechanism 6 is fixedly connected with 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 tail end of the extension rotating rod 4 far away from the outer frame 1 to relatively move towards the outer frame 1.
In this embodiment, preferably, frame 1 and display screen body 2 are the curved platelike structure of cambered surface, and one side that display screen body 2 was kept away from to frame 1 is sunken to be set up, extends bull stick 4 and sets up in the sunken one side on frame 1, and the section of frame 1 and display screen body 2 is semi-circular, makes things convenient for two sets of this device symmetry to splice to form the parcel on the stand of building like this.
In this embodiment, preferably, the end that will extend the bull stick 4 during the installation rotates relative frame 1, then will extend bull stick 4 and keep away from the end of frame 1 and install on the building stand, preferably, the end that extends bull stick 4 is sliding fit and is connected to the stand periphery, in order to realize, can cup joint fixed annular rail earlier in the stand periphery, the end sliding fit that extends bull stick 4 is on annular rail, can form haulage rope 5 through actuating mechanism 8 drive wire winding mechanism 6 and pull the end that extends bull stick 4 to be close to frame 1, thereby accomodate the back of frame 1, then realize frame 1's side and stand laminating and relatively fixed, like this frame 1, the connected relation between display screen body 2 and the stand is hidden connection, can guarantee the installation stability again, can guarantee the pleasing to the eye of outward appearance, when need maintenance repair, remove actuating mechanism 8 to wire winding mechanism 6's restriction, thereby can pull frame 1 keep away from the stand, and extend the end rotation of bull stick 4 and keep away from frame 1, after forming the space between frame 1 and the stand, convenience maintenance personnel operate, and use are nimble and convenient.
Referring to fig. 1-2, in the embodiment of the present utility model, the extension rotating rods 4 are symmetrically connected to two sides of the inner frame 1 in a rotating manner, and a plurality of groups of extension rotating rods 4 located at the same side of the outer frame 1 are connected through rods.
In this embodiment, preferably, when the traction rope 5 pulls the extension rotating rod 4, the multiple groups of extension rotating rods 4 can synchronously rotate relative to the outer frame 1, when the extension rotating rod 4 rotates, the tail end of the extension rotating rod 4 can slide on the upright post, so that the clamping is not caused, and the distance between the outer frame 1 and the upright post is flexible and convenient.
Referring to fig. 10, in the embodiment of the present utility model, the extension rotating rod 4 includes a rod body 41 rotatably connected to the outer frame 1, the radian of the rod body 41 is the same as the bending radian of the outer frame 1, a wiring hole 42 is embedded in one side of the rod body 41, which is close to the traction rope 5, the wiring hole 42 is connected to the traction rope 5, and a fitting plate 43 is rotatably connected to the movable end of the extension rotating rod 4.
In this embodiment, preferably, the thickness of the rod 41 is the same as the depth of the recess on the back of the outer frame 1, the length of the rod 41 is half of the width of the recess on the back of the outer frame 1, the assembly plate 43 is connected with the upright or the annular guide rail mounted on the upright in a sliding fit manner, when the rod 41 is pulled to rotate by the traction rope 5 and enters the recess on the back of the outer frame 1, the outer frame 1 can be tightly attached to the upright, and the installation is convenient and flexible.
Referring to fig. 1 to 4, in the embodiment of the present utility model, the wire grooves 11 are symmetrically embedded in two sides of the outer frame 1, the traction ropes 5 are 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 ends of the traction ropes 5 pass through the guide wheels and are connected with the wire connection holes 42.
In this embodiment, preferably, the traction rope 5 may be a multicomponent bundle connector provided on the same rope, and the beam-splitting connector portion may be connected to the wire hole 42, so that the traction rope 5 may not only keep stable transmission, but also be smoother and more flexible after passing through the guide wheel.
In order to avoid that the assembly plate 43 is not locked on the upright and is easy to rotate when the outer frame 1 is attached to the upright, please refer to fig. 1-2 and 9, in the embodiment of the utility model, a plurality of groups of adsorption mechanisms 7 are arranged on the inner side of the outer frame 1, the adsorption mechanisms 7 comprise a cylinder 71 embedded in the inner side edge of the outer frame 1, the end opening of the cylinder 71 is flush with the inner side surface of the outer frame 1, a rubber gasket 72 is embedded in the end opening of the cylinder 71, a piston plate 74 is arranged in sliding fit in the cylinder 71, and one end of the piston plate 74 far away from the rubber gasket 72 is in transmission connection with the traction rope 5.
In this embodiment, preferably, the end of the traction rope 5 is in a beam-splitting shape and is respectively connected with the wire connection hole 42 and the piston plate 74, when the winding mechanism 6 pulls the traction rope 5 to move, the outer frame 1 gradually approaches to the attaching column, when the outer frame 1 is attached to the column, the rubber gasket 72 is pressed on the column, after the traction rope 5 is pulled tightly, the piston plate 74 continues to slide in the cylinder 71, and the outer frame 1 can be fixed by negative pressure absorption, so that shaking is avoided.
Referring to fig. 9, in the embodiment of the present utility model, a rubber membrane 73 is inlaid in the end opening of the cylinder 71, and the edge of the piston plate 74 is connected to the inner side of the end opening of the cylinder 71 through a spring.
In this embodiment, preferably, when the traction rope 5 pulls the piston plate 74 to slide, the spring at the edge of the piston plate 74 stretches, and can drive the rubber film 73 to elastically deform, and the rubber film 73 is recessed towards one side of the opening of the cylinder 71, when the rubber washer 72 contacts with the upright post, the piston plate 74 continues to move, and further, adsorption can be formed by using the deformation of the rubber film 73, after the traction rope 5 stops pulling, the piston plate 74 can return to slide under the action of the spring, so that the outer frame 1 is convenient to be away from the upright post, and the disassembly and maintenance are convenient.
In order to facilitate the movement of the device, please refer to fig. 1-2, in the embodiment of the utility model, 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 the inner side of the outer frame 1, the base 3 is hollow, the front side of the base 3 is symmetrically and rotatably connected with a cover door 31, the tail end of the hauling rope 5 penetrates through the base 3 and is wound on a winding mechanism 6 positioned 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 a fence 13, and the bottom edge of the fence 13 is flush with the bottom edge of the universal wheels 12.
In this embodiment, preferably, the enclosure 13 is made of rubber, and the base 3 and the outer frame 1 can all 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 utility model, a partition plate 32 is fixedly connected in the base 3, the winding mechanism 6 includes a driving wheel 61 and a driven wheel 62 rotatably connected to the partition plate 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 engaged and driven, a reel 63 is coaxially disposed on the driven wheel 62 in a transmission connection manner, the tail end of the traction rope 5 is wound on the periphery of the reel 63, and a driving mechanism 8 is coaxially connected to the driving wheel 61 in a transmission manner.
In this embodiment, preferably, when the driving mechanism 8 is used to drive the driving wheel 61 to rotate, the driven wheels 62 on two sides can be synchronously driven to rotate, and then the winding wheel 63 is used to wind or release the traction rope 5, so that the distance between the outer frame 1 and the upright post can be conveniently adjusted, the winding wheels 63 on two sides are wound with the traction rope 5, the two groups of traction ropes 5 are respectively arranged in the wire slots 11 on two sides, and in order to ensure that the driving wheel 61 and the driven wheel 62 are all arranged in the base 3, the driving wheel 61 and the driven wheel 62 can be arranged as helical gears.
Referring to fig. 1-2 and 5-8, in the embodiment of the present utility model, the driving mechanism 8 includes a rotating shaft 84 rotatably connected to an end of the driving wheel 61, a prismatic blind hole is embedded in an end of the rotating shaft 84, a driving rod 87 is slidably disposed in the prismatic blind hole, and a rotating cylinder 83 is fixedly connected to an end of the driving rod 87 far from the rotating shaft 84.
In this embodiment, the driving wheel 61 is preferably rotated by the cooperation of the transmission rod 87 and the rotation shaft 84 through the rotation cylinder 83, so as to control the traction of the traction rope 5.
Referring to fig. 1-2 and 5-8, in the embodiment of the present utility model, a ratchet 85 is fixedly sleeved on the periphery of the end of the rotating shaft 84, which is far away from the driving wheel 61, a ring sleeve 81 is fixedly connected to the partition board 32, a sliding ring 82 is connected in a sliding fit manner in the ring sleeve 81, the sliding ring 82 is connected with the ring sleeve 81 through a spring, the top end of the sliding ring 82 is rotationally connected with a rotating cylinder 83 through a bearing, a plurality of groups of cards 86 are rotatably connected with the inner wall of the sliding ring 82 through torsion springs, and the cards 86 are movably clamped and matched with the ratchet 85.
In this embodiment, preferably, the axes of the rotating cylinder 83, the ring sleeve 81 and the rotating shaft 84 are all coincident, the spring action card 86 between the sliding ring 82 and the ring sleeve 81 is matched with the ratchet 85, at this time, the ratchet 85 and the card 86 can only be unidirectionally matched, so that when the rotating cylinder 83 drives the rotating shaft 84 to rotate, the traction rope 5 can be tightened, thereby the outer frame 1 is close to the upright post and is stable in distance locking, 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 card 86 and the ratchet 85 on the sliding ring 82 are disengaged, at this time, the rotating direction of the rotating shaft 84 is not locked, so that the rotating cylinder 83 can drive the rotating shaft 84 and the driving wheel 61 to bidirectionally adjust, and then the traction rope 5 can be released from the winding wheel 63, the distance between the outer frame 1 and the upright post is conveniently pulled, and the adjustment is convenient.
The working principle of the utility model is as follows: when the device is used, firstly, the universal wheel 12 is utilized to push the device, the outer frame 1 is close to the upright post, the assembly plate 43 is mounted on the upright post, the assembly plate is in sliding fit with the upright post, then the rotating cylinder 83 is rotated and adjusted, the rotating cylinder 83 can drive the driving wheel 61 to rotate through the fit 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 driving 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 pull the outer frame 1 to approach the upright post, the outer frame 1 is gradually attached to the upright post, the connection relation among the outer frame 1, the display screen body 2 and the upright post is hidden connection, so that the installation stability can be ensured, the appearance attractiveness can be ensured, the limitation of the driving mechanism 8 on the winding mechanism 6 can be removed, the outer frame 1 can be pulled away from the upright post, the tail end of the extension rotating rod 4 is rotated and is away from the outer frame 1, after a gap is formed between the outer frame 1 and the upright post, the operation is convenient for maintenance personnel, 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 springs at the edge of the piston plate 74 stretch, 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 continues to move and can absorb by utilizing the deformation of the rubber film 73, after the traction rope 5 stops pulling, the piston plate 74 can return to slide under the action of the springs, the outer frame 1 is convenient to be far away from the upright post, and the disassembly and the maintenance are convenient; when driving pivot 84 through rotating cylinder 83 and rotating, can tighten up haulage rope 5 to make frame 1 be close to the stand, and the distance locking is stable, and when needing to maintain, pulling rotating cylinder 83 drives the motion of the relative ring cover 81 of slip ring 82, the prismatic blind hole slip on the relative pivot 84 of transfer line 87 that the transfer line 87 that rotating cylinder 83 connects, card 86 and ratchet 85 break away from the cooperation on the slip ring 82 no longer lock the direction of rotation of pivot 84 this moment, rotate rotating cylinder 83 like this and can drive pivot 84 and action wheel 61 bidirectional adjustment, just so can release haulage rope 5 from reel 63, conveniently pull away the distance between frame 1 and the stand, convenient adjustment.
Claims (7)
1. The large curved surface LED display screen comprises an outer frame and a display screen body, wherein the display screen body is embedded and arranged on 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 on 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 extension rotating rods;
when one end of the extension rotating rod relatively rotates to the outer side of the outer frame, the driving mechanism drives the winding mechanism to operate, so that the output end of the winding mechanism is wound with the traction rope and pulls the tail end of the extension rotating rod, which is far away from the outer frame, to relatively move towards the outer frame;
the extension rotating rod comprises a rod body which is rotationally 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, close to the traction rope, of the rod body, the wiring hole is connected with the traction rope, and the movable end of the extension rotating rod is rotationally connected with an assembly plate;
the wire grooves are symmetrically embedded in the two sides of the outer frame, the traction ropes are arranged in the wire grooves in a sliding mode, guide wheels are rotatably connected to the positions, corresponding to the wiring holes, of the wire grooves, and the tail ends of the traction ropes penetrate through the guide wheels and are connected with the wiring holes;
the inner side of the outer frame is provided with a plurality of groups of adsorption mechanisms, each adsorption mechanism comprises a cylinder body, the inner edge of the outer frame is embedded and arranged, an opening at the end of each cylinder body is flush with the inner surface of the outer frame, a rubber gasket is embedded and arranged at the opening at the end of each cylinder body, a piston plate is arranged in sliding fit in each cylinder body, and one end, far away from the rubber gasket, of each piston plate is in transmission connection with a traction rope.
2. The large-scale curved surface LED display screen according to claim 1, wherein the extension rotating rods are symmetrically and rotatably connected to two sides in the outer frame, and a plurality of groups of extension rotating rods positioned on the same side of the outer frame are connected through rods.
3. The large-scale curved surface LED display screen of claim 1, wherein said barrel end opening is fitted with a rubber membrane, and said piston plate edge is connected to the inside of the barrel end opening by a spring.
4. The large-scale curved surface LED display screen according to claim 1, wherein the radian of the base is the same as that of the outer frame, the inner side of the base is flush with the inner side of the outer frame, the base is hollow, the front symmetrical rotation of the base is connected with a cover door, the tail end of the haulage rope penetrates through the base and is wound on a winding mechanism positioned in the base, the two sides of the lower end of the base are symmetrically connected with a plurality of groups of universal wheels, the edge of the base is fixedly connected with a surrounding board, and the bottom edge of the surrounding board is flush with the bottom edge of the universal wheels.
5. The large-scale curved surface LED display screen according to claim 4, wherein a partition plate is fixedly connected in the base, the winding mechanism comprises a driving wheel and a driven wheel which are rotatably connected on the partition plate, the driven wheels are symmetrically arranged on two sides of the driving wheel, the driven wheels and the driving wheel are in meshed transmission, a winding wheel is coaxially arranged on the driven wheels in a transmission connection mode, the tail end of the traction rope is wound on the periphery of the winding wheel, and the driving wheel is coaxially connected with a driving mechanism in a transmission connection mode.
6. The large-scale curved surface LED display screen according to claim 5, wherein the driving mechanism comprises a rotating shaft which is connected to the end part of the driving wheel in a rotating transmission manner, a prismatic blind hole is embedded in the end part of the rotating shaft, a transmission rod is arranged in the prismatic blind hole in a sliding fit manner, and a rotating cylinder is fixedly connected to the end part of the transmission rod far away from the rotating shaft.
7. The large-scale curved surface LED display screen according to claim 6, wherein a ratchet wheel is fixedly sleeved on the periphery of the tail end of the rotating shaft far away from the driving wheel, a ring sleeve is fixedly connected to the partition plate, a sliding ring is arranged in the ring sleeve in a sliding fit connection mode, the sliding ring is connected with the ring sleeve through a spring, the top end of the sliding ring is rotationally connected with the rotating cylinder through a bearing, a plurality of groups of cards are arranged on the inner wall of the sliding ring through torsional spring rotation connection, and the cards are in movable clamping fit with the ratchet wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111496060.3A CN114165711B (en) | 2021-12-08 | 2021-12-08 | Large-scale curved surface LED display screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111496060.3A CN114165711B (en) | 2021-12-08 | 2021-12-08 | Large-scale curved surface LED display screen |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114165711A CN114165711A (en) | 2022-03-11 |
| CN114165711B true CN114165711B (en) | 2023-08-25 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN109106073A (en) * | 2018-09-05 | 2019-01-01 | 武汉创艺之家装饰设计有限公司 | It is a kind of can hidden printer placement table |
| CN110185349A (en) * | 2019-07-09 | 2019-08-30 | 宁波合力伟业消防科技有限公司 | Door and window opens and closes auxiliary body and door and window opening/closing system |
| US10912212B1 (en) * | 2019-10-31 | 2021-02-02 | Shanghai Tianma AM-OLED Co., Ltd. | Display device |
| 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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2021
- 2021-12-08 CN CN202111496060.3A patent/CN114165711B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN109106073A (en) * | 2018-09-05 | 2019-01-01 | 武汉创艺之家装饰设计有限公司 | It is a kind of can hidden printer placement table |
| CN110185349A (en) * | 2019-07-09 | 2019-08-30 | 宁波合力伟业消防科技有限公司 | Door and window opens and closes auxiliary body and door and window opening/closing system |
| US10912212B1 (en) * | 2019-10-31 | 2021-02-02 | Shanghai Tianma AM-OLED Co., Ltd. | Display device |
| CN214312464U (en) * | 2020-12-11 | 2021-09-28 | 上海越菱信息技术有限公司 | LED display screen |
| 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 |
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| CN114165711A (en) | 2022-03-11 |
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Address after: 518000 floor 4, building 6, Huike Industrial Park, No. 1, industrial 2nd Road, Shilong community, Shiyan street, Bao'an District, Shenzhen, Guangdong Patentee after: Shenzhen XD VISION Co.,Ltd. Address before: 518000 2nd floor, building 4, lehuahang Industrial Park, 37 kengwei Avenue, Shangwu community, Shiyan street, Bao'an District, Shenzhen City, Guangdong Province Patentee before: Shenzhen Xindi Vision Technology Co.,Ltd. |