CN114220363A - LED display screen - Google Patents
LED display screen Download PDFInfo
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- CN114220363A CN114220363A CN202210165614.XA CN202210165614A CN114220363A CN 114220363 A CN114220363 A CN 114220363A CN 202210165614 A CN202210165614 A CN 202210165614A CN 114220363 A CN114220363 A CN 114220363A
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- led display
- frame body
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- 230000007246 mechanism Effects 0.000 claims abstract description 13
- 230000006835 compression Effects 0.000 claims description 14
- 238000007906 compression Methods 0.000 claims description 14
- 230000000712 assembly Effects 0.000 claims description 13
- 238000000429 assembly Methods 0.000 claims description 13
- 238000009434 installation Methods 0.000 claims description 12
- 238000007789 sealing Methods 0.000 claims description 7
- 238000001125 extrusion Methods 0.000 claims description 6
- 238000011084 recovery Methods 0.000 claims description 6
- 230000007704 transition Effects 0.000 claims description 5
- 238000003466 welding Methods 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 abstract description 7
- 230000000007 visual effect Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 6
- 230000009471 action Effects 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001502 supplementing effect 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
- G09F9/33—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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- 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
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
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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
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
- F16M11/043—Allowing translations
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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
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/20—Undercarriages with or without wheels
- F16M11/2092—Undercarriages with or without wheels comprising means allowing depth adjustment, i.e. forward-backward translation of the head relatively to the undercarriage
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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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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The invention discloses an LED display screen, which comprises a plurality of LED display modules and a frame body, wherein the LED display modules are assembled and connected with the frame body through a quick assembling and disassembling mechanism and are arranged in the frame body; according to the display screen, the LED display module can be quickly ejected and dispersedly exposed only by pulling the operation assembly, so that the maintenance and operation can be conveniently carried out, the operation visual field is improved, the disassembly and the assembly are convenient, and the efficiency is greatly improved.
Description
Technical Field
The invention relates to the field of display screens, in particular to an LED display screen.
Background
In life, a large number of LED display screens are used, and the LED display screens comprise large display screens or small display screens. The display module assembly of these display screens is buckled and is installed in the frame usually, and display module assembly installs in its lateral surface and frame surface parallel and level of internal back of frame, assembles through screw or magnetism or structure such as buckle between display module assembly back and the frame, but hardly takes out and overhauls it after the assembly is accomplished, and the mode of dismouting screw is very inconvenient. Therefore, the best mode that people used at present is a bullet knot structure, promote the display screen relatively the framework promptly, can pop out the display screen, but this kind of mode is more limited, when the display screen is very big, we must promote the center department of display screen, otherwise promote display screen one side and can lead to the display screen to exert oneself inhomogeneous and can't pop out, and if the display screen is very big, we can't be used in the center department of display screen and exert oneself, even can exert thrust, also can be because the screen is too big and can not exert pressure, lead to the extrusion damage of display screen easily, long-term extrusion can greatly reduced the life of whole display screen. And some are the display screen of a plurality of display screen concatenations, these display module assembly install the back in the frame, the screen volume of whole display screen is very big, want to overhaul all display module assemblies, then need promote all display module assemblies one by one, unusual inconvenience, even promote the pop-up back of all display module assemblies moreover, each display module assembly also is side by side, its arc contact one side is close to not exposing, it is very unfavorable to overhauing.
Disclosure of Invention
The LED display screen comprises an operating component, wherein the operating component is arranged on the LED display screen body, the operating component is arranged on the operating component, the LED display screen body is provided with a plurality of LED modules, the LED modules are arranged on the operating component, the operating component is arranged on the operating component, and the LED modules are arranged on the operating component.
The invention is realized by the following technical scheme: a LED display screen comprises a plurality of LED display modules and a frame body, wherein the LED display modules are assembled and connected with the frame body through a quick assembling and disassembling mechanism and are arranged in the frame body;
the quick assembling and disassembling mechanism comprises a sleeve, a push rod and a plurality of linkage rods, one end of each linkage rod is hinged with the telescopic connecting pieces at the back parts of the LED display modules, the other end of each linkage rod is hinged with the sleeve, the sleeve penetrates through a through hole formed in the frame body and extends out of the outer side surface of the back part of the frame body, one end of each push rod is fixedly connected with the back part of the movable mounting plate, the other end of each push rod penetrates through the sleeve and extends out of the outer side surface of the back part of the frame body, and one side, close to the movable mounting plate, of each push rod is provided with a spring connecting section;
the whole frame body is fixedly arranged on an external mounting surface through more than one telescopic connection mechanism, a clearance cavity is formed between the external mounting surface and the frame body, at least one group of operation assemblies are arranged in the clearance cavity, the size of the clearance cavity is controlled through the operation assemblies, the push rod and the sleeve penetrate through the frame body and extend into the clearance cavity, at least one avoidance groove is arranged on the back portion, perpendicular to the horizontal plane, of the frame body, when the operation assemblies are located in the avoidance groove, the linkage rod and the push rod enter the mounting cavity of the frame body through extrusion with the external mounting surface, at the moment, the LED display modules are pushed out of the frame body, and the LED display modules move towards the directions which are far away from the frame body.
As preferred technical scheme, flexible coupling mechanism includes a fixed pipe and a telescopic link, has a flexible chamber in the fixed pipe, and flexible chamber bottom fixed welding sets up a first spring, the other end and the fixed welding of male telescopic link of first spring, the telescopic link other end stretches out to the outside and sets up a connecting plate, the connecting plate passes through screw and framework fixed connection, fixed pipe is fixed to be embedded into and is set up in the external installation face, when operating assembly stretches into the clearance intracavity and struts the relative external installation face of framework, first spring is tensile form.
As the preferred technical scheme, the operation assembly comprises a drawing idler wheel, two drawing rods and a connecting shaft, the connecting shaft penetrates through a shaft hole in the middle of the drawing idler wheel and is connected with the two drawing rods, one ends, far away from the drawing idler wheel, of the two drawing rods are provided with a holding handle, one side of one drawing rod is provided with a positioning hole, and an external mounting surface close to one side of the positioning hole is provided with a positioner.
According to the preferable technical scheme, the positioner is fixedly installed on the external installation surface through screws, a buckling cavity is formed in the positioner, a drawing rod with a positioning hole is buckled into the buckling cavity, a positioning bolt is arranged on one side of the positioner, and when the drawing rod is buckled into the buckling cavity, the positioning bolt is inserted into the positioning hole.
According to the preferable technical scheme, an annular track groove is formed in the drawing roller in a circle around the drawing roller, a first wheel rail is fixedly arranged at the position, corresponding to the avoidance groove, of the back of the frame body through screws, the first wheel rail extends into the avoidance groove, the first wheel rail is arranged in a mode of avoiding the sleeve, an arc transition section is formed at the junction of the avoidance groove and the back of the frame body by the first wheel rail, a second wheel rail is fixedly arranged on the external installation surface, opposite to the first wheel rail, of the first wheel rail through screws, and the drawing roller is arranged between the first wheel rail and the second wheel rail through the annular track groove.
According to the technical scheme, the push rod extends out of the outer side end of the frame body to be provided with a first limiting cap, the first limiting cap is fixedly connected with an external mounting surface through a screw, the sleeve extends out of the outer side end of the frame body to be provided with a second limiting cap, a second spring is sleeved on the sleeve on one side of the second limiting cap and pushes the sleeve out towards the outside of the frame body, the elastic force of the first spring is larger than that of the second spring, and the plurality of LED display modules are pushed out to the outside of the frame body through the recovery deformation of the first spring.
As the preferred technical scheme, the outside of sleeve pipe is provided with first engaging lug, be provided with the second engaging lug on the telescopic connection spare, all be provided with the hinge hole on first engaging lug and the second engaging lug, one side of gangbar is provided with first connecting portion, the opposite side of gangbar is provided with the second connecting portion, the one end of gangbar is packed into to the outside first engaging lug of sleeve pipe and is articulated through first articulated shaft and first engaging lug through first connecting portion, the other end of gangbar is packed into to the second engaging lug on the telescopic connection spare in through the second connecting portion and is articulated through second articulated shaft and second engaging lug.
As preferred technical scheme, flexible connecting piece includes the connecting cylinder, the connecting piece, has a movable chamber in the connecting cylinder, connecting piece one end is packed into to the movable chamber and is set up a piston, the suit third spring on the connecting piece that is located piston one side, the second engaging lug sets up on the connecting piece, the connecting cylinder deviates from connecting piece one side and is provided with the threaded connection section, the back embedding of every LED display module assembly is provided with a nut, LED display module assembly passes through threaded connection section and nut screw assembly.
According to the preferable technical scheme, the movable mounting plate and the bottom surface of the frame mounting cavity are provided with a compression air bag with deformation recovery capacity, one end of the compression air bag is fixedly connected with the movable mounting plate, the other end of the compression air bag is fixedly connected with the frame, the compression air bag is provided with an air inlet and outlet pipe, the air inlet and outlet pipe penetrates through the frame and extends out of the frame, an air inlet and outlet channel with a small aperture is formed in the air inlet and outlet pipe, a reset spring is arranged outside the compression air bag, one end of the reset spring is fixedly welded to the back of the movable mounting plate, and the other end of the reset spring is welded to the bottom surface of the frame mounting cavity.
As the preferred technical scheme, an O-shaped sealing ring is arranged in the through hole, and the sleeve penetrates through the O-shaped sealing ring.
The invention has the beneficial effects that: according to the LED display module, the display module and the frame do not need to be contacted, each LED display module does not need to be operated, the plurality of LED display modules can be opened and closed only by independently pulling and pulling the operating assembly, and after the LED display modules are opened, the LED display modules can be mutually far away, so that each surface of each LED display module is fully exposed, external personnel can conveniently and rapidly carry out disassembly, assembly and maintenance, a better visual field can be obtained, the whole operation process is very convenient, and the operation efficiency can be greatly improved;
the push rod and the sleeve are assembled together, the push rod is pushed first, then the sleeve is pushed, and then the LED display modules can be ejected and dispersed.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic view of the internal structure of the present invention in normal use;
FIG. 2 is a diagram illustrating the usage status of the LED display modules after the LED display modules are ejected and opened according to the present invention;
FIG. 3 is a schematic front view of the present invention in the use state of FIG. 2;
FIG. 4 is a schematic structural diagram of an operating assembly of the present invention;
FIG. 5 is a back schematic view of the frame of the present invention;
FIG. 6 is a schematic view of the assembly of the sleeve and each linkage rod of the present invention;
FIG. 7 is a perspective view of the telescoping connection of the present invention;
fig. 8 is an internal cross-sectional view of fig. 7.
Detailed Description
All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive.
Any feature disclosed in this specification (including any accompanying claims, abstract and drawings), may be replaced by alternative features serving equivalent or similar purposes, unless expressly stated otherwise. That is, unless expressly stated otherwise, each feature is only an example of a generic series of equivalent or similar features.
In the description of the present invention, it is to be understood that the terms "one end", "the other end", "outside", "upper", "inside", "horizontal", "coaxial", "central", "end", "length", "outer end", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the present invention.
Further, in the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
The use of terms such as "upper," "above," "lower," "below," and the like in describing relative spatial positions herein is for the purpose of facilitating description to describe one element or feature's relationship to another element or feature as illustrated in the figures. The spatially relative positional terms may be intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" the other elements or features. Thus, the exemplary term "below" can encompass both an orientation of above and below. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly
In the present invention, unless otherwise explicitly specified or limited, the terms "disposed," "sleeved," "connected," "penetrating," "plugged," and the like are to be construed broadly, e.g., as a fixed connection, a detachable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
As shown in fig. 1-2, the LED display screen of the present invention includes a plurality of LED display modules 3 and a frame 1, the plurality of LED display modules 3 are assembled and connected with the frame 1 through a quick assembling and disassembling mechanism and are arranged in the frame 1, an installation cavity 6 is arranged in the frame 1, a movable mounting plate 2 is further arranged in the frame 1, a guide chute 4 arranged obliquely is arranged at a position on the movable mounting plate 2 facing each LED display module 3, a detachable telescopic connector 8 is arranged at the back of each LED display module, each LED display module 3 is arranged in the guide chute 4 in a sliding manner through a telescopic connector 8, and the telescopic connector 8 passes through the guide chute 4 and extends to the back of the movable mounting plate 2;
the quick assembling and disassembling mechanism comprises a sleeve 19, a push rod 13 and a plurality of linkage rods 24, one end of each linkage rod 24 is hinged with the telescopic connecting piece 8 at the back of the LED display modules 3, the other end of each linkage rod 24 is hinged with the sleeve 19, the sleeve 19 penetrates through a through hole 33 formed in the frame body 1 and extends out of the outer side surface of the back of the frame body 1, one end of the push rod 13 is fixedly connected with the back of the movable mounting plate 2, the other end of the push rod 13 penetrates through the sleeve 19 and extends out of the outer side surface of the back of the frame body 1, and one side of the push rod 13, which is close to the movable mounting plate 2, is provided with a spring connecting section 11;
the whole frame body 1 is fixedly arranged on an external mounting surface through more than one telescopic connection mechanism, a clearance cavity is formed between the external mounting surface and the frame body, at least one group of operation assemblies are arranged in the clearance cavity, the size of the clearance cavity is controlled through the operation assemblies, the push rod 13 and the sleeve 19 penetrate through the frame body 1 and extend into the clearance cavity, at least one avoidance groove 28 is formed in the position, perpendicular to the horizontal plane, of the back of the frame body 1, when the operation assemblies are located in the avoidance groove 28, the linkage rod and the push rod enter the mounting cavity of the frame body 1 through extrusion with the external mounting surface, at the moment, the LED display modules are pushed out of the frame body, and the LED display modules move towards the directions far away from the frame body.
In this embodiment, the telescopic connection mechanism includes a fixed tube 15 and a telescopic rod 14, a telescopic cavity is provided in the fixed tube 15, a first spring (not shown) is fixedly welded at the bottom of the telescopic cavity, the other end of the first spring is fixedly welded with the inserted telescopic rod 14, the other end of the telescopic rod 14 extends to the outside and is provided with a connection plate, the connection plate is fixedly connected with the frame body 1 through a screw, the fixed tube 15 is fixedly embedded in the external mounting surface 100, when the operation assembly extends into the gap cavity and expands the frame body relative to the external mounting surface, the first spring is in a stretching shape, the spring of the first spring must be large enough, so that after the expansion force of the operation assembly is lost, the first spring will recover deformation, overcome all resistance of other assemblies, realize reset, after reset, the push rod and the sleeve can be pushed into the mounting cavity of the frame body, at this time, the movable mounting plate and the plurality of LED display modules can be pushed out simultaneously, and after being ejected, the LED display modules can move towards the direction away from each other, so that the purpose of full exposure is achieved.
As shown in fig. 4, the operating assembly includes a drawing roller 25, two drawing rods 32 and a connecting shaft 321, the connecting shaft 321 passes through the central shaft hole of the drawing roller 25 and is connected with the two drawing rods 32, one end of the two drawing rods 32 far from the drawing roller is provided with a holding handle 322, one side of one drawing rod 32 is provided with a positioning hole 323, the external mounting surface near one side of the positioning hole 323 is provided with a positioner 30, the positioner 30 is fixedly mounted on the external mounting surface 100 by screws, the positioner is provided with a buckling cavity (not shown) into which the drawing rod with the positioning hole is buckled, one side of the positioner 30 is provided with a positioning bolt 29, when the drawing rod 32 is buckled into the buckling cavity, the positioning bolt 29 is inserted into the positioning hole 323, when the operating assembly is not in use, the positioning bolt 29 is inserted into the positioning hole 323, at this time, the operating assembly cannot be drawn, the position of the drawing roller is fixed, the frame body is opened by the drawing roller, the first spring is in a stretching state, the sleeve and the push rod extend out of the frame body, and the movable mounting plate and the LED display module are located in the frame body.
As shown in fig. 1, 4 and 5, an annular rail groove 252 is formed in the drawing roller 25 around the drawing roller, a first wheel rail 17 is fixedly disposed on the back of the frame 1 corresponding to the avoiding groove 28 by screws, the first wheel rail 17 extends into the avoiding groove 28, the first wheel rail 17 is disposed avoiding the sleeve 19, the first wheel rail 17 forms an arc transition section 20 at the junction of the avoiding groove 28 and the back of the frame 1, a second wheel rail 18 is fixedly disposed on the external mounting surface facing the first wheel rail 17 by screws, the drawing roller 25 is disposed between the first wheel rail 17 and the second wheel rail 18 by the annular rail groove 252, the drawing operation assembly is guided by the first wheel rail 17 and the second wheel rail 18, when each LED display module needs to be opened, the drawing operation assembly is drawn downwards so that the drawing rod is drawn downwards, the drawing roller is drawn along the first wheel rail 17 and the second wheel rail 18, and finally enter into dodging the trough through the arcuate transition section 20, as the draw-pull gyro wheel enters into dodging the trough 28 slowly along the arcuate transition section 20, the frame is expanded and is smaller and smaller, utilize the deformation restoring force of the first spring, push the push rod into frame, when the push rod inserts into frame continuously, will push out the movable mounting plate first, with continuing to extrude, will contact the thimble finally, push the thimble into frame, because every gangbar 24 of internal hinge joint of spring, once the movable mounting plate 2 is pushed out of frame 1, or parallel and level to the lateral surface of frame, promote the thimble again at this moment, can utilize the gangbar to promote the flexible link to move in the guide chute 4 laid obliquely, and the direction that the flexible link 8 moves is along the direction of the guide chute 4 to move towards one another obliquely, namely every LED display module 3 is kept away from one another obliquely, as shown in fig. 3, the LED display modules 3 can be dispersed, so that the LED display modules 3 are separated from each other to achieve the purpose of exposure.
The push rod 13 is extended out of the outer side end of the frame body 1 and is provided with a first limit cap 22, the first limit cap 22 is fixedly connected with the external mounting surface 100 through screws, the outer side end of the sleeve 19 extended out of the frame body 1 is provided with a second limit cap 23, the sleeve 19 at one side of the second limit cap 23 is sleeved with a second spring 21, the sleeve 19 is ejected out towards the outside of the frame body 1 by the second spring 21, the elasticity of the first spring is larger than that of the second spring 21, the LED display modules 3 are ejected out of the frame body 1 through the recovery deformation of the first spring, the elasticity of the first spring must be enough, thus after the operating component loses the opening force to the frame body, the push rod and the sleeve are extruded by the deformation recovery force of the first spring, then the movable mounting plate and the LED display modules are ejected out, when the first spring recovers the deformation, the first limit cap starts to apply force to the external mounting surface to drive the push rod to enter the frame body, the push rod is firstly extruded, the movable mounting plate is continuously pushed out to the frame body along with continuous extrusion, the movable mounting plate finally can contact the sleeve, and after the push rod is pressed, the second spring is pressed, so that the sleeve is pressed to enter the frame body, and the LED display modules are unfolded.
As shown in fig. 6, a first connection lug 191 is arranged outside the casing 19, a second connection lug 83 is arranged on the telescopic connection piece 8, hinge holes are formed in the first connection lug 191 and the second connection lug 83, a first connection portion 241 is arranged on one side of the linkage rod 24, a second connection portion 242 is arranged on the other side of the linkage rod 24, one end of the linkage rod 24 is installed into the first connection lug 191 outside the casing through the first connection portion 241 and is hinged to the first connection lug 191 through a first hinge shaft, and the other end of the linkage rod 24 is installed into the second connection lug 83 on the telescopic connection piece 8 through the second connection portion 242 and is hinged to the second connection lug 83 through a second hinge shaft.
As shown in fig. 7 and 8, the telescopic connecting piece 8 comprises a connecting cylinder 81 and a connecting piece 86, wherein a movable cavity 87 is arranged in the connecting cylinder, one end of the connecting piece 86 is arranged in the movable cavity 87 and provided with a piston 89, a third spring 88 is sleeved on the connecting piece 86 positioned on one side of the piston 89, a second connecting lug 83 is arranged on the connecting piece 86, and the third spring and the piston are used for facilitating the horizontal ejection of the push rod out of the movable mounting plate and supplementing a position when the sleeve is not ejected out; connecting cylinder 81 deviates from connecting piece one side and is provided with threaded connection section 82, and the back embedding of every LED display module assembly is provided with a nut 7, and LED display module assembly passes through threaded connection section 82 and nut 7 screw assembly, struts when opening the back as each LED display module assembly, and we can rotate LED display module assembly for nut and threaded connection section separation realize quick dismantlement.
The movable mounting plate and the bottom surface of the frame mounting cavity are provided with a compressed air bag 5 with deformation recovery capability, one end of the compressed air bag 5 is fixedly connected with the movable mounting plate 2, the other end of the compressed air bag is fixedly connected with the frame, the compressed air bag 5 is provided with an air inlet and outlet pipe 16, the air inlet and outlet pipe 16 penetrates through the frame and extends out of the frame, an air inlet and outlet channel with a small aperture is formed inside the air inlet and outlet pipe, the outside of the compressed air bag 5 is provided with a reset spring 99, one end of the reset spring 99 is fixedly welded with the back of the movable mounting plate 2, and the other end of the reset spring is fixedly welded with the bottom surface of the mounting cavity of the frame 1. When the movable mounting plate 2 is ejected outwards, the compression airbag 5 is stretched, the compression airbag 5 is continuously expanded after external gas is sucked in through the air inlet and outlet pipe 16, and the return spring is stretched; when the maintenance is finished and the resetting is needed, only the operation assembly is pulled again to prop open the frame body, and then just props open, because the LED display module is outwards propped open, the LED display module can not be retracted into the frame body, the resetting of the movable mounting plate is limited, namely, before each LED display module is reset, the movable mounting plate can not be reset under the action of the reset spring, at the moment, the frame body needs to be propped open, only the spring connecting section on the push rod can be stretched, at the moment, the clearance cavity can be propped open again, under the action of the second spring, the sleeve pipe continuously resets, the sleeve pipe continuously extends out of the frame body, the sleeve pipe resets to drive the linkage rod to reset, so that the LED display module connected with the linkage rod resets along the guide sliding chute, at the moment, each LED display module can not limit the resetting of the movable mounting plate, under the action of the reset spring and the spring connecting section, the movable mounting plate carries each LED display module to reset together, under the action of the compression air bag, the gas in the compression air bag can be extruded during resetting, the resetting safety is improved, and the whole resetting process is finally completed; in general, the whole action process is as follows, when maintenance is needed, the pull roller is dragged into the avoidance groove, the push rod is firstly ejected out by using the deformation restoring force of the first spring, the movable mounting plate is ejected out, and then the sleeve is ejected out, so that the distance between the LED display modules is pulled out; when the maintenance is completed and needs to be reset, the drawing idler wheel is pushed into the space between the frame body and the external mounting surface again by manpower, the push rod is pushed out of the outside, the spring connecting section is stretched, the movable mounting plate is kept still, the linkage rod is used for resetting the LED display module by the second spring resetting sleeve, the movable mounting plate is finally reset by the reset spring, the whole maintenance process is completed, in order to reduce the friction force between the LED display module and the outer side surface of the frame body, the balls can be arranged at the contact position between the outer side surface of the frame body and the LED display module, the friction force is reduced, and the resetting of the LED display module is more facilitated.
Wherein, set up an O type sealing washer in the through-hole, the sleeve pipe passes O type sealing washer, increases the leakproofness through O type sealing washer.
The invention has the beneficial effects that: according to the LED display module, the display module and the frame do not need to be contacted, each LED display module does not need to be operated, the plurality of LED display modules can be opened and closed only by independently pulling and pulling the operating assembly, and after the LED display modules are opened, the LED display modules can be mutually far away, so that each surface of each LED display module is fully exposed, external personnel can conveniently and rapidly carry out disassembly, assembly and maintenance, a better visual field can be obtained, the whole operation process is very convenient, and the operation efficiency can be greatly improved;
the push rod and the sleeve are assembled together, the push rod is pushed first, then the sleeve is pushed, and then the LED display modules can be ejected and dispersed.
The above description is only an embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that are not thought of through the inventive work should be included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope defined by the claims.
Claims (10)
1. An LED display screen, its characterized in that: the LED display module comprises a plurality of LED display modules and a frame body, wherein the LED display modules are assembled and connected with the frame body through a quick assembling and disassembling mechanism and are arranged in the frame body, an installation cavity is arranged in the frame body, a movable installation plate is also arranged in the frame body, a guide chute which is obliquely arranged is arranged at the position, right opposite to each LED display module, on the movable installation plate, the back of each LED display module is provided with a detachable telescopic connecting piece, each LED display module is arranged in the guide chute in a sliding mode through the telescopic connecting piece, and the telescopic connecting pieces penetrate through the guide chute and extend out to the back of the movable installation plate;
the quick assembling and disassembling mechanism comprises a sleeve, a push rod and a plurality of linkage rods, one end of each linkage rod is hinged with the telescopic connecting pieces at the back parts of the LED display modules, the other end of each linkage rod is hinged with the sleeve, the sleeve penetrates through a through hole formed in the frame body and extends out of the outer side surface of the back part of the frame body, one end of each push rod is fixedly connected with the back part of the movable mounting plate, the other end of each push rod penetrates through the sleeve and extends out of the outer side surface of the back part of the frame body, and one side, close to the movable mounting plate, of each push rod is provided with a spring connecting section;
the whole frame body is fixedly arranged on an external mounting surface through more than one telescopic connection mechanism, a clearance cavity is formed between the external mounting surface and the frame body, at least one group of operation assemblies are arranged in the clearance cavity, the size of the clearance cavity is controlled through the operation assemblies, the push rod and the sleeve penetrate through the frame body and extend into the clearance cavity, at least one avoidance groove is arranged on the back portion, perpendicular to the horizontal plane, of the frame body, when the operation assemblies are located in the avoidance groove, the linkage rod and the push rod enter the mounting cavity of the frame body through extrusion with the external mounting surface, at the moment, the LED display modules are pushed out of the frame body, and the LED display modules move towards the directions which are far away from the frame body.
2. The LED display screen of claim 1, wherein: the telescopic connection mechanism comprises a fixed pipe and a telescopic rod, a telescopic cavity is formed in the fixed pipe, a first spring is arranged at the bottom of the telescopic cavity in a fixed welding mode, the other end of the first spring is fixedly welded with the inserted telescopic rod, the other end of the telescopic rod extends out of the fixed pipe and is provided with a connecting plate, the connecting plate is fixedly connected with the frame body through screws, the fixed pipe is fixedly embedded in the external installation surface, and when the operation assembly extends into the gap cavity and stretches the frame body relative external installation surface, the first spring is in a stretching shape.
3. The LED display screen of claim 1, wherein: the operation assembly comprises a drawing roller, two drawing rods and a connecting shaft, the connecting shaft penetrates through a shaft hole in the middle of the drawing roller and is connected with the two drawing rods, one ends, far away from the drawing roller, of the two drawing rods are provided with handles for holding, one side of one drawing rod is provided with a positioning hole, and a positioner is arranged on an external mounting surface close to one side of the positioning hole.
4. The LED display screen of claim 3, wherein: the positioner is fixedly arranged on the external mounting surface through screws, a buckling cavity is formed in the positioner, a pull rod with a positioning hole is buckled into the buckling cavity, a positioning bolt is arranged on one side of the positioner, and when the pull rod is buckled into the buckling cavity, the positioning bolt is inserted into the positioning hole.
5. The LED display screen of claim 3, wherein: the drawing roller is provided with an annular track groove surrounding the drawing roller in a circle, a first wheel rail is fixedly arranged at the position, corresponding to the avoiding groove, of the back of the frame body through screws, the first wheel rail extends into the avoiding groove, the first wheel rail is arranged to avoid the sleeve, an arc transition section is formed at the junction of the avoiding groove and the back of the frame body by the first wheel rail, a second wheel rail is fixedly arranged on an external mounting surface of the first wheel rail through screws, and the drawing roller is arranged between the first wheel rail and the second wheel rail through the annular track groove.
6. The LED display screen of claim 1, wherein: the push rod stretches out and sets up a first spacing cap in the outside end of framework, and first spacing cap passes through screw and outside installation face fixed connection, and the sleeve pipe stretches out and sets up a second spacing cap in the outside end of framework, and the cover is equipped with the second spring on the sleeve pipe of second spacing cap one side, and the second spring is ejecting the sleeve pipe towards the outside of framework, and the elasticity of first spring is greater than the elasticity of second spring, restores through first spring and deforms and ejecting a plurality of LED display module to the outside of framework.
7. The LED display screen of claim 1, wherein: the sheathed tube outside is provided with first engaging lug, be provided with the second engaging lug on the telescopic connection spare, all be provided with the hinge hole on first engaging lug and the second engaging lug, one side of gangbar is provided with first connecting portion, the opposite side of gangbar is provided with the second connecting portion, the one end of gangbar is packed into to the outside first engaging lug of sleeve pipe and is articulated through first articulated shaft and first engaging lug through first connecting portion, the other end of gangbar is packed into to the second engaging lug on the telescopic connection spare in and is articulated through second articulated shaft and second engaging lug through the second connecting portion.
8. The LED display screen of claim 1 or 7, wherein: the telescopic connecting piece comprises a connecting cylinder and a connecting piece, a movable cavity is arranged in the connecting cylinder, one end of the connecting piece is arranged in the movable cavity and provided with a piston, a third spring is sleeved on the connecting piece positioned on one side of the piston, a second connecting lug is arranged on the connecting piece, a threaded connecting section is arranged on one side of the connecting cylinder, which deviates from the connecting piece, a nut is arranged in the back of each LED display module, and the LED display modules are assembled with the nuts through the threaded connecting sections.
9. The LED display screen of claim 1, wherein: the movable mounting plate and the bottom surface of the frame mounting cavity are provided with a compression air bag with deformation recovery capability, one end of the compression air bag is fixedly connected with the movable mounting plate, the other end of the compression air bag is fixedly connected with the frame, an air inlet and outlet pipe is arranged on the compression air bag, the air inlet and outlet pipe penetrates through the frame and extends out to the outside, an air inlet and outlet channel with a small aperture is arranged inside the air inlet and outlet pipe, a reset spring is arranged outside the compression air bag, one end of the reset spring is fixedly welded to the back of the movable mounting plate, and the other end of the reset spring is fixedly welded to the bottom surface of the frame mounting cavity.
10. The LED display screen of claim 1, wherein: an O-shaped sealing ring is arranged in the through hole, and the sleeve penetrates through the O-shaped sealing ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210165614.XA CN114220363B (en) | 2022-02-23 | 2022-02-23 | LED display screen |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210165614.XA CN114220363B (en) | 2022-02-23 | 2022-02-23 | LED display screen |
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| CN114220363A true CN114220363A (en) | 2022-03-22 |
| CN114220363B CN114220363B (en) | 2022-04-29 |
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| CN114220363B (en) | 2022-04-29 |
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