CN213904806U

CN213904806U - LED grille screen

Info

Publication number: CN213904806U
Application number: CN202120088388.0U
Authority: CN
Inventors: 唐宜良; 张锋斌
Original assignee: Shenzhen Ex Lighting Technology Holdings Co Ltd
Current assignee: Shenzhen Ex Lighting Technology Holdings Co Ltd
Priority date: 2021-01-13
Filing date: 2021-01-13
Publication date: 2021-08-06
Anticipated expiration: 2031-01-13

Abstract

An embodiment of the utility model provides a LED grid screen, including mounting base, LED display module and with one end as the stiff end equipment in mounting base is last and the other end can be relative the telescopic machanism of the flexible activity of stiff end, telescopic machanism includes a plurality of swing joint's in proper order main flexible unit and is used for the drive main flexible unit draws in relatively or stretches out the drive assembly who opens, every corresponding fixed one on the main flexible unit LED display module. The embodiment of the utility model provides a through assemble the telescopic machanism earlier on the mounting base, correspond each LED display module and assemble on each main telescopic unit of telescopic machanism, and can drive when drive assembly drives the flexible activity of each telescopic unit LED display module correspondence is pulled open the interval or is drawn close together, especially when each LED display module is drawn close together, can effectively reduce LED grid screen and get into indoor sheltering from to sunshine, improves indoor daylighting rate.

Description

LED grille screen

Technical Field

The embodiment of the utility model provides a relate to LED display screen technical field, especially relate to a LED grille screen.

Background

Existing LED grille screens typically include a mounting base assembled to a corresponding building or other fixture and a plurality of LED display assemblies fixedly assembled to the mounting base, each LED display assembly no longer being movable relative to the mounting base upon completion of assembly. In practical application, the LED grille screen is usually installed on the glass curtain wall, and in some periods of time when the LED grille screen is not used for displaying in the daytime, the LED grille screen can shield light rays from entering the room through the glass curtain wall, so that the indoor lighting effect is not ideal.

SUMMERY OF THE UTILITY MODEL

The embodiment of the utility model provides a technical problem who solves provides a LED grid screen, can conveniently remove LED display module.

In order to solve the technical problem, the embodiment of the utility model provides an adopt following technical scheme: the utility model provides a LED grid screen, includes mounting base, LED display module and uses one end as the stiff end equipment in on the mounting base and the other end can be relative the telescopic machanism of the flexible activity of stiff end, telescopic machanism includes a plurality of swing joint's in proper order main flexible unit and is used for the drive main flexible unit draws in relatively or stretches out the drive assembly who opens, every correspond fixed one on the main flexible unit LED display module.

Furthermore, the main telescopic units comprise a first connecting rod and a second connecting rod which are intersected and in an X shape and are correspondingly hinged at an intersection point through a first hinge shaft, the tail end of the first connecting rod and the tail end of the second connecting rod in each main telescopic unit are respectively and correspondingly hinged with the adjacent end of the second connecting rod and the adjacent end of the first connecting rod in the adjacent main telescopic unit through a second hinge shaft, the first connecting rods of the main telescopic units are mutually parallel and the second connecting rods are mutually parallel, the central axes of the first hinge shafts of the main telescopic units are all located in the same plane, and one end of each first hinge shaft is also relatively fixed with the corresponding LED display component.

Further, telescopic machanism still including set up in telescopic machanism's at least one terminal portion's time flexible unit, time flexible unit include with corresponding one end crossing be the V-arrangement and correspond articulated third connecting rod and fourth connecting rod with third hinge shaft at the intersection, third hinge shaft and each the axis of first articulated shaft all is located the coplanar, the other end of both phase separation of third connecting rod and fourth connecting rod still respectively with the inboard adjacent one of telescopic machanism the adjacent end of first connecting rod and second connecting rod of main flexible unit corresponds articulatedly through the second hinge shaft, one of telescopic machanism is provided with terminal portion conduct of time flexible unit the stiff end sets up in the stiff end the third hinge shaft of time flexible unit still pin joint in on the mounting base correspond to on the mounting base the position department of time flexible unit's third hinge shaft also assembled one LED shows the stiff end The components are shown.

Further, telescopic machanism keep away from one end portion of stiff end also is provided with time flexible unit, and keep away from the stiff end setting time flexible unit the one end of third articulated axle also is fixed with one LED display module.

Furthermore, the first connecting rod and the second connecting rod are equal in length, the third connecting rod and the fourth connecting rod are equal in length, and the distances from the second hinge shaft to the first hinge shaft and the third hinge shaft are equal.

Furthermore, the telescopic mechanism is correspondingly pivoted on the mounting base through a first hinge shaft of the main telescopic unit positioned at one fixed end.

Furthermore, the driving component is a driving component for outputting linear power, the moving direction of the output end of the driving component is parallel to the connecting line of each first hinge shaft, and the output end of the driving component is relatively fixed with one of the first hinge shafts.

Further, the mounting base comprises a frame and a cover plate correspondingly fixed on the frame, the driving assembly and the telescoping mechanism are both assembled on the frame and located on the inner side of the cover plate, the LED display assembly is mounted on the outer side of the cover plate, a long slotted hole is formed in the cover plate, and one end of each of the first hinge shaft and the third hinge shaft penetrates through the long slotted hole and is fixed on the LED display assembly.

Furthermore, a set of telescopic mechanisms is respectively arranged at two ends of the frame, and two ends of the LED display assembly are respectively fixed to the first hinge shaft and the third hinge shaft of the two sets of telescopic mechanisms.

Furthermore, the cover plate is also provided with a guide groove parallel to the long slotted hole, and each LED display assembly is correspondingly provided with a limiting sliding piece which is accommodated in the guide groove and slides along the guide groove.

Adopt above-mentioned technical scheme, the embodiment of the utility model provides a following beneficial effect has at least: the embodiment of the utility model provides a through assemble the telescopic machanism earlier on the mounting base, correspond each LED display module and assemble on each main telescopic unit of telescopic machanism, and can drive when drive assembly drives the flexible activity of each telescopic unit LED display module correspondence is pulled open the interval or is drawn close together, especially when each LED display module is drawn close together, can effectively reduce LED grid screen and get into indoor sheltering from to sunshine, improves indoor daylighting rate.

Drawings

Fig. 1 is a schematic perspective view of an optional embodiment of the LED grille panel according to the present invention in an assembled state.

Fig. 2 is a schematic perspective view of an alternative embodiment of the LED grille panel according to the present invention in an exploded state.

Fig. 3 is a schematic cross-sectional view of another alternative embodiment of the LED grille panel of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments. It is to be understood that the following illustrative embodiments and description are only intended to illustrate the present invention, and are not intended as a limitation of the present invention, and that features of the embodiments and examples may be combined with each other without conflict.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

As shown in fig. 1-3, an optional embodiment of the present invention provides an LED grid screen, which includes a mounting base 1, an LED display module 3, and a telescopic mechanism 5, wherein one end of the telescopic mechanism is assembled on the mounting base 1, and the other end of the telescopic mechanism is capable of moving relative to the fixed end. The telescopic mechanism 5 comprises a plurality of main telescopic units 50 which are movably connected in sequence and a driving assembly 52 for driving the main telescopic units 50 to be relatively folded or unfolded, and each main telescopic unit 50 is correspondingly fixed with one LED display assembly 3.

The embodiment of the utility model provides a through assemble telescopic machanism 5 earlier on mounting base 1, correspond each LED display module 3 and assemble on telescopic machanism 5's each main flexible unit 50, and can drive when drive assembly 52 drives each main flexible unit 50 flexible activity LED display module 3 corresponds and pulls open the interval or close together, especially when each LED display module 3 closes together, can effectively reduce LED grid screen and get into indoor sheltering from to sunshine, improve indoor daylighting rate.

In an optional embodiment of the present invention, the main telescopic unit 50 includes a first connecting rod 501 and a second connecting rod 502 which are intersected in an X shape and are hinged with a first hinge shaft 500 at an intersection point, each of the main telescopic unit 50 is provided with a joint end of the first connecting rod 501 and the second connecting rod 502 being hinged with a joint end of the second connecting rod 502 and the first connecting rod 501 in the adjacent main telescopic unit 50 through a second hinge shaft 503, each of the main telescopic unit 50 is provided with the first connecting rods 501 being parallel to each other and the second connecting rods 502 being parallel to each other, each of the main telescopic unit 50 is provided with the central axis of the first hinge shaft 500 being located in the same plane, and each of the one ends of the first hinge shafts 500 being fixed with the corresponding LED display assembly 3. This embodiment is through designing main flexible unit 50 for being the articulated formula structure of two connecting rods of X shape, can extend and contract well, and structural stability is good, it is more firm to the support of LED display module 3, and come to carry out fixed connection with LED display module 3 through the articulated first articulated shaft that links to each other with first connecting rod 501 and second connecting rod 502, first connecting rod 501 and second connecting rod 502 are when corresponding flexible activity, can not produce with LED display module 3 and interfere, and can effectively drive LED display module 3 and draw the interval or close up.

In an alternative embodiment of the present invention, the telescoping mechanism 5 further comprises a secondary telescoping unit 54 disposed at least one end portion of the telescoping mechanism 5, the secondary telescoping unit 54 comprises a third connecting rod 542 and a fourth connecting rod 544 which are intersected at corresponding one end to form a V-shape and correspondingly hinged at an intersection point by a third hinge shaft 540, the third hinge shaft 540 is located in the same plane with the central axis of each of the first hinge shafts 500, the other separated ends of the third connecting rod 542 and the fourth connecting rod 544 are further correspondingly hinged to the adjacent ends of the first connecting rod 501 and the second connecting rod 502 of one of the primary telescoping units 50 which are adjacent to the inner side of the telescoping mechanism 5 by a second hinge shaft 503, one of the telescoping mechanisms 5 is provided with the end portion of the secondary telescoping unit 54 as the fixed end, the third hinge shaft 540 of the secondary telescoping unit 54 disposed at the fixed end is further pivoted to the mounting base 1, one of the LED display assemblies 3 is also assembled on the mounting base 1 at a position corresponding to the third hinge shaft 540 of the sub telescopic unit 54 at the fixed end. In the embodiment, the secondary telescopic unit 54 is assembled at least one terminal part of the telescopic mechanism 5, the fixed end of the telescopic mechanism 5 is correspondingly pivoted with the mounting base 1 through the secondary telescopic unit 54, and the third connecting rod 542 and the fourth connecting rod 544 of the secondary telescopic unit 54 are intersected to form a V shape, so that excessive space can be reserved at the edge part to avoid interference between the third connecting rod 542 and the fourth connecting rod 544 and the mounting base 1 when the third connecting rod 542 and the fourth connecting rod 544 move, and the whole structure is more compact; and the mounting base 1 is also assembled with one LED display assembly 3 at a position corresponding to the third hinge shaft 540 of the secondary telescopic unit 54 at the fixed end, so that the effective display area of the LED grille screen is larger and the frame is smaller.

In an optional embodiment of the present invention, an end portion of the telescopic mechanism 5 far away from the fixed end is also provided with the secondary telescopic unit 54, and one end of the third hinge shaft 540 far away from the fixed end of the secondary telescopic unit 54 is also fixed with one of the LED display modules 3. This embodiment is through keeping away from the stiff end setting the one end of the third hinge shaft 540 of time telescoping unit 54 also corresponds fixed LED display module 3, and can promote the quantity of the LED display module 3 of equipment in the same size range well, effectively utilizes the space, makes the LED grille screen reach little frame even frameless's display effect.

In an alternative embodiment of the present invention, the first link 501 and the second link 502 are equal in length, the third link 542 and the fourth link 544 are equal in length, and the distances from the second hinge shaft 503 to the first hinge shaft 500 and the third hinge shaft 540 are equal. In this embodiment, the distances from the second hinge shaft 503 to the first hinge shaft 500 and the third hinge shaft 540 are designed to be equal, so that the main telescopic unit 50 and the sub telescopic unit 54 can be kept synchronously telescopic, the distance between each two adjacent LED display modules 3 can be kept at the same distance and synchronously changed, and the overall display effect of the LED grille screen can be ensured.

In an optional embodiment of the present invention, the telescoping mechanism 5 is pivoted on the mounting base 1 with the first hinge shaft 500 of the main telescoping unit 50 at the fixed end. In the embodiment, the first hinge shaft 500 of the main telescopic unit 50 at the fixed end is directly and correspondingly pivoted on the mounting base 1, so that the effect of assembling the telescopic mechanism 5 on the mounting base 1 can be achieved, the secondary telescopic unit 54 can be omitted, and the telescopic mechanism is particularly suitable for being applied to occasions with relatively low requirements.

In an alternative embodiment of the present invention, the driving assembly 52 is a driving member outputting linear power, the moving direction of the output end 520 of the driving member is parallel to the connection line of each of the first hinge shafts 500, and the output end 520 of the driving member is further fixed relative to one of the first hinge shafts 500. This embodiment is through adopting driving piece such as cylinder, linear electric motor etc. output linear power to do drive assembly 52, can directly from market purchase corresponding product can, the source is extensive, is favorable to reduce cost, the driving piece action process of output linear power is succinct quick moreover, is effective in promoting telescopic machanism 5's flexible action efficiency.

In an optional embodiment of the present invention, the mounting base 1 includes a frame 10 and a cover plate 12 correspondingly fixed on the frame 10, the telescopic mechanism 5 is assembled on the frame 10 and located inside the cover plate 12, the LED display module 3 is installed on the outer side of the cover plate 12, a long slot 120 is opened on the cover plate 12, and one end of the first hinge shaft 500 and one end of the third hinge shaft 540 pass through the long slot 120 and are fixed on the LED display module 3. This embodiment is through locating the inside and outside both sides of apron 12 with telescopic machanism 5 and LED display module 3 branch, can avoid telescopic machanism 5 to expose, improves 5 moving security of telescopic machanism and smoothness nature, and telescopic machanism hides at apron 12 inboardly moreover, also makes the whole outward appearance of LED grid screen more pleasing to the eye. It is understood that the position of the third hinge shaft 540 of the secondary telescoping mechanism 54 at the fixed end does not change with respect to the mounting base 1 when the telescoping mechanism 5 telescopes, and accordingly, if the LED display module 3 corresponding to the third hinge shaft 540 of the fixed-end sub-telescopic mechanism 54 is fixed relative to the corresponding third hinge shaft 540, the position thereof does not change, and therefore, in actual assembly, one LED display assembly 3 located at a fixed end corresponding to the position of the third hinge shaft 540 of the sub telescopic mechanism 54 may not be fixed to the corresponding third hinge shaft 540 of the sub telescopic mechanism 54, but directly fixed on the mounting base 1 (as shown in fig. 3), of course, the fixing of the third hinge shaft 540 of the secondary telescoping mechanism 54 at the fixed end relative to the corresponding LED display module 3 will not affect the telescoping mechanism 3 to drive the other LED display modules 3 to move.

In an optional embodiment of the present invention, two ends of the frame 10 are respectively provided with a set of the telescopic mechanisms 5, and two ends of the LED display module 3 are respectively fixed to the corresponding first hinge shaft 500 and the third hinge shaft 540 of the two sets of the telescopic mechanisms 5. In this embodiment, the two ends of the frame 10 are respectively provided with a set of telescopic mechanisms 5 to bear the two ends of the LED display assembly 3, so that the LED display assembly 3 can be well supported in a balanced manner, and the movement of the LED display assembly 3 is more stable and smooth.

In an optional embodiment of the present invention, the cover plate 12 is further provided with a guide groove 122 parallel to the slotted hole 120, and each of the LED display modules 3 is correspondingly provided with a position-limiting sliding member 32 accommodated in the guide groove 122 and sliding along the guide groove 122. In the embodiment, the guide groove 122 is further formed on the cover plate 12, the limiting sliding member 32 is correspondingly formed on the LED display module 3, and the limiting sliding member 32 is accommodated in the guide groove 122 and slides along the guide groove 122, so that the LED display module 3 is effectively prevented from deflecting during the moving process, and can move more smoothly.

The embodiments of the present invention have been described with reference to the accompanying drawings, but the present invention is not limited to the above-mentioned embodiments, which are only illustrative and not restrictive, and those skilled in the art can make many forms without departing from the spirit and scope of the present invention, and these forms are within the scope of the present invention.

Claims

1. The utility model provides a LED grid screen, includes mounting base and a plurality of LED display module, its characterized in that, LED grid screen still include with one end as the stiff end assemble in on the mounting base and the other end can be relative the telescopic machanism of the flexible activity of stiff end, telescopic machanism includes a plurality of swing joint's in proper order main flexible unit and is used for the drive main flexible unit draws in relatively or stretches out the drive assembly who opens, every correspond fixed one on the main flexible unit LED display module.

2. The LED grid screen of claim 1, wherein said main telescoping units comprise a first link and a second link intersecting in an X shape and hinged at an intersection point with a first hinge axis, wherein the distal ends of said first link and said second link in each of said main telescoping units are further hinged with the adjacent ends of said second link and said first link in the adjacent main telescoping unit through a second hinge axis, respectively, said first links of each of said main telescoping units are parallel to each other and said second links are parallel to each other, the central axes of said first hinge axes of each of said main telescoping units are located in the same plane, and one end of each of said first hinge axes is further fixed with respect to the corresponding said LED display assembly.

3. The LED grid screen of claim 2, wherein the telescoping mechanism further comprises a secondary telescoping unit disposed at least one end portion of the telescoping mechanism, the secondary telescoping unit comprises a third connecting rod and a fourth connecting rod which are intersected at respective ends thereof in a V-shape and are correspondingly hinged at an intersection point by a third hinge shaft, the third hinge shaft and the central axis of each of the first hinge shafts are located in the same plane, the other separated ends of the third connecting rod and the fourth connecting rod are further correspondingly hinged to adjacent ends of a first connecting rod and a second connecting rod of one of the main telescoping units adjacent to the inside of the telescoping mechanism by a second hinge shaft, one of the telescoping mechanisms has the end portion of the secondary telescoping unit as the fixed end, the third hinge shaft of the secondary telescoping unit disposed at the fixed end is further pivoted to the mounting base, one LED display assembly is also assembled at a position, corresponding to a third hinge shaft of the secondary telescopic unit at the fixed end, on the mounting base.

4. The LED grid screen of claim 3, wherein said secondary telescoping unit is also disposed at a distal end of said telescoping mechanism distal from said fixed end, and one of said LED display assemblies is also secured to an end of said third hinge shaft of said secondary telescoping unit distal from said fixed end.

5. The LED grid screen of claim 3, wherein said first and second links are of equal length, said third and fourth links are of equal length, and the distance from said second hinge axis to said first and third hinge axes, respectively, is equal.

6. The LED grid screen of claim 2, wherein said telescoping mechanism is pivotally coupled to said mounting base with a first hinge axis of one of said primary telescoping units at a fixed end.

7. The LED grid screen of claim 2, wherein said drive assembly is a drive member outputting linear power, said drive member having an output end movable in a direction parallel to a line connecting each of said first hinge axes, and said drive member having an output end fixed relative to one of said first hinge axes.

8. The LED grille of claim 4 wherein said mounting base includes a frame and a cover plate correspondingly secured to said frame, said drive assembly and said telescoping mechanism being assembled to said frame and located inside said cover plate, said LED display assembly being mounted to an outside of said cover plate, said cover plate defining a slotted aperture, one end of each of said first and third hinge shafts passing through said slotted aperture and being secured to said LED display assembly.

9. The LED grid screen of claim 8, wherein a set of said telescoping mechanisms is provided at each end of said frame, and wherein each end of said LED display assembly is secured to a respective one of said first and third hinge axes of both sets of telescoping mechanisms.

10. The LED grille of claim 8 or 9 wherein said cover plate further defines a channel parallel to said slotted aperture, each of said LED display modules correspondingly defining a position-limiting slider received in said channel and slidable along said channel.