CN217035053U

CN217035053U - Spliced LED display system

Info

Publication number: CN217035053U
Application number: CN202122958680.6U
Authority: CN
Inventors: 胡昌盛
Original assignee: Shenzhen Timewaying Technology Co ltd
Current assignee: Shenzhen Timewaying Technology Co ltd
Priority date: 2021-11-26
Filing date: 2021-11-26
Publication date: 2022-07-22
Anticipated expiration: 2031-11-26

Abstract

The utility model provides a spliced LED display system which comprises a support frame, an LED display screen, a suspension assembly and a pull rod assembly, wherein the support frame comprises a frame body, a walking structure arranged on the frame body and a hoisting frame which is arranged at the top of the frame body and outwards extends for a preset length, the LED display screen is arranged on one side of the frame body and comprises at least four LED boxes which are distributed in rows and columns and are spliced into a whole, the LED display screen is fixedly connected to the extending side of the hoisting frame through the suspension assembly, and the pull rod assembly is fixedly connected to an LED box body and the frame body. The LED display screen is hung on the hoisting frame through the hanging assembly and is fixed through the pull rod assembly and the support body, so that stable connection with the support frame is realized, the LED display screen can be more conveniently installed and disassembled by adopting a simple connection structure, the support frame comprises the support body and a walking structure installed on the support body, and installation and maintenance personnel can stand on the walking structure to perform installation, disassembly, maintenance and other work, and the LED display screen is more convenient.

Description

Spliced LED display system

Technical Field

The utility model belongs to the technical field of films and televisions, and particularly relates to a splicing type LED display system.

Background

The LED display screen is a visual information transmission medium which is widely used, and the product technology and product application thereof have been widely developed. At present, large-size LED display screens are generally formed by combining a plurality of independent display unit boxes, and the display unit boxes with different quantities are spliced to form a whole LED display screen with different areas. The split type LED display screen is usually installed on one side of a vertical wall in the related art, however, the installation, the disassembly and the maintenance are not facilitated in this way.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a spliced LED display system, which is used for solving the problem that the structure of an LED display screen system in the related technology is not favorable for installation, disassembly and maintenance.

In order to solve the technical problems, the utility model provides a spliced LED display system which comprises a support frame, an LED display screen, a hanging assembly and a pull rod assembly, wherein the support frame comprises a frame body, a walking structure arranged on the frame body and a hoisting frame which is arranged at the top of the frame body and extends outwards for a preset length, the LED display screen is arranged on one side of the frame body and comprises at least four LED boxes which are distributed in rows and columns and spliced into a whole, the LED display screen is fixedly connected to the extending side of the hoisting frame through the hanging assembly, and the pull rod assembly is fixedly connected to an LED box body and the frame body.

Further, the frame body comprises at least two stand frames which are arranged at intervals and reinforcing rods connected between the adjacent stand frames;

the vertical frame comprises a vertical column, a longitudinal fixing rod, a bottom connecting plate and a bottom locking piece; the same vertical frame comprises at least two upright posts which are arranged at intervals along the viewing direction of the LED display screen, a plurality of longitudinal fixing rods which are arranged at intervals are connected between every two adjacent upright posts, the bottom fixing rods are fixedly connected to the bottom ends of the upright posts, the bottom connecting plate is fixedly connected to the bottom fixing plate through the bottom locking piece, and the bottom connecting plate is used for being fixed with a bearing structure;

the reinforcing rods are fixedly connected to the adjacent upright columns of the upright frame.

Further, the support frame includes two at least edges the running structure that the direction of height interval of support body set up, running structure includes fixed connection in each the braced frame of stand, install in backup pad and fixed connection in braced frame in the braced frame with scute between the stand, the face perpendicular to of backup pad the extending direction of stand.

Furthermore, the hoisting frame comprises hanging longitudinal beams which are fixedly connected to the top ends of the stand columns of the stand frames and extend outwards for a preset length, top cross beams which are fixedly connected between the hanging longitudinal beams to form a frame structure, and hanging beams which are fixedly connected to the outwards extending ends of the hanging cross beams, and the hanging assemblies are connected between the LED display screen and the hanging beams.

Furthermore, the suspension beam comprises suspension sub-beams, two ends of each suspension sub-beam are respectively and fixedly connected to the end parts of the adjacent suspension longitudinal beams, and the suspension sub-beams are spliced into a whole;

the suspended sub-beam comprises a top beam fixedly connected to the suspended longitudinal beam, a bottom beam fixedly connected to one side of the top beam, a positioning fixing piece fixed between the top beam and the bottom beam, and a suspended beam splicing piece fixedly connected to the end part of the top beam and the end part of the bottom beam; the bottom beam of the two adjacent suspension sub-beams is fixedly connected by the suspension beam splicing piece;

the hoisting frame further comprises a top fixing piece fixedly connected to one side of the hanging longitudinal beam and fixedly connected to the top beam corresponding to the hanging longitudinal beam.

Furthermore, the bottom side of the bottom beam is provided with a positioning hole, and the suspension assembly comprises a first connecting piece, a second connecting piece and a positioning column, wherein one end of the first connecting piece is fixedly connected to the top side of the LED box positioned in the top row, the other end of the first connecting piece is fixedly connected to the bottom side of the bottom beam, one side of the second connecting piece is fixedly connected to the top side of the LED box positioned in the top row, the other side of the second connecting piece is fixed to the bottom side of the bottom beam, and the positioning column protrudes out of the top side of the LED box positioned in the top row and is embedded in the positioning hole.

Furthermore, the LED box comprises a frame, a display module which is fixed on the frame and has a display side deviating from the support frame, and a rear cover which is covered on the frame and is close to the support frame side;

the LED display screen comprises an LED box, and is characterized in that the side surfaces of frames of the LED box are spliced, splicing holes are formed in the side surfaces of the frames, and the LED display screen further comprises a splicing connecting piece connected to the corresponding splicing holes of the frames of the LED box.

Furthermore, positioning notches are arranged at the corner positions of the adjacent frames of the LED box, close to the side of the support frame, and the positioning notches of the connected frames are enclosed to form positioning grooves;

the pull rod assembly comprises a positioning pull plate embedded in the positioning groove, a stressed pull rod fixed on the positioning pull plate and extending towards the support frame, and an assembly structure fixedly connected to the stressed pull rod, far away from the end of the positioning pull plate and fixedly connected with the support frame, wherein the positioning pull plate is fixedly connected with the corners of the connected frames;

the assembly structure comprises a first mounting plate fixed at one end of the stress pull rod, a second mounting plate arranged on one side of the first mounting plate at intervals, and a locking rod fixedly connected with the first mounting plate and the second mounting plate.

Furthermore, a rotating seat with an accommodating groove is arranged at the bottom of one side of the frame, a rotating shaft is arranged at the position, corresponding to the rotating seat, of the rear cover, the rotating shaft can be arranged in the accommodating groove, and the rotating shaft can be pulled away from the accommodating groove when the included angle between the rear cover and the panel of the LED box is within a preset angle range;

the frame is provided with a blocking piece, a rotary locking piece is arranged at a position of the rear cover corresponding to the blocking piece, the rotating shaft is positioned in the accommodating groove, when the rotary locking piece is embedded into the blocking piece, the rear cover is covered with the frame, and at the moment, the included angle between the rear cover and the panel of the frame is not in the preset angle range;

and a handle is also fixed on the side of the rear cover close to the support frame.

Furthermore, the spliced LED display system also comprises a bearing assembly which is fixed on one side of the supporting frame and is fixed on the bottom side of the LED display screen;

the bearing assembly comprises a bearing angle bracket fixedly connected with one side of the supporting frame and a bearing cross beam fixedly connected to the top side of the bearing angle bracket and fixed to the bottom side of the LED display screen.

Compared with the prior art, the spliced LED display system has the beneficial effects that:

in this scheme, the LED display screen hangs in hoist and mount frame through the suspension subassembly to it is fixed through pull rod assembly and support body, thereby realize with the stable connection of support frame, adopt simple connection structure can be convenient for LED display screen's installation and dismantlement more, and, the support frame includes the support body and installs in the walking structure of support body, and installation maintainer can stand and walk structural work such as installing, dismantling and maintaining, and is more convenient.

Drawings

FIG. 1 is a schematic diagram of a part of a tiled LED display system according to an embodiment of the present invention;

FIG. 2 is a schematic diagram of a second partial structure of a tiled LED display system according to an embodiment of the present invention;

FIG. 3 is an enlarged view of detail A in FIG. 2;

FIG. 4 is a schematic structural view of the linkage of the drawbar assembly, the LED display screen and the column according to the embodiment of the utility model;

FIG. 5 is a schematic structural view of a tie rod assembly according to an embodiment of the present invention;

FIG. 6 is a schematic structural diagram of an LED box according to an embodiment of the present invention;

fig. 7 is a schematic diagram of the matching of the rotating shaft and the rotating base in the LED box according to the embodiment of the utility model.

In the drawings, each reference numeral indicates: 1. a support frame; 11. a frame body; 12. a walking structure; 13. hoisting frames; 111. erecting a frame; 112. a reinforcing rod; 1111. a column; 1112. a longitudinal fixing rod; 1113. a bottom fixing rod; 1114. a bottom retaining member; 1115. a bottom connecting plate; 121. a support frame body; 122. a support plate; 123. a gusset; 131. hanging the longitudinal beam; 132. a top cross beam; 133. a suspension beam; 134. a top mount; 1331. a top beam; 1332. a bottom beam; 1333. a suspension beam splice; 2. an LED display screen; 21. an LED box; 211. a frame; 212. a display module; 213. a rear cover; 2111. a rotating seat; 2112. a blocking member; 2131. a rotating shaft; 2132. rotating the locking piece; 2133. a handle; 3. a suspension assembly; 31. a first connecting member; 32. a second connecting member; 33. a positioning column; 4. a drawbar assembly; 41. positioning a pulling plate; 42. a stressed pull rod; 43. assembling the structure; 431. a first mounting plate; 432. a second mounting plate; 433. a locking lever; 5. a load bearing assembly; 51. a load-bearing corner bracket; 52. a load bearing beam.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and do not limit the utility model.

The embodiment is as follows:

in this embodiment, with reference to fig. 1 to 7, the tiled LED display system includes a support frame 1, an LED display screen 2, a suspension assembly 3, and a pull rod assembly 4, the support frame 1 includes a frame body 11, a traveling structure 12 installed on the frame body 11, and a hoisting frame 13 installed on the top of the frame body 11 and extending outwards for a predetermined length, the LED display screen 2 is disposed on one side of the frame body 11, the LED display screen 2 includes at least four LED boxes 21 distributed in rows and tiled as a whole, the LED display screen 2 is fixedly connected to the extending side of the hoisting frame 13 by the suspension assembly 3, and the pull rod assembly 4 is fixedly connected to the LED boxes 21 and the frame body 11.

In this scheme, LED display screen 2 hangs in hoist and mount frame 13 through hanging subassembly 3 to it is fixed through pull rod assembly 4 and support body 11, thereby realize with support frame 1's stable connection, adopt simple connection structure can be convenient for LED display screen 2's installation and dismantlement more, and, support frame 1 includes support body 11 and installs in support body 11's walking structure 12, installation maintainer can stand and go up work such as installation, dismantlement and maintenance on walking structure 12, and is more convenient.

The frame body 11 comprises at least two stand frames 111 arranged at intervals and reinforcing rods 112 connected between the adjacent stand frames 111; stand 111 includes upright 1111, longitudinal securing bar 1112, bottom securing bar 1113, bottom connecting plate 1115, and bottom retaining member 1114; the same stand 111 comprises at least two upright posts 1111 arranged at intervals along the viewing direction of the LED display screen 2, a plurality of longitudinal fixing rods 1112 arranged at intervals are connected between the adjacent upright posts 1111, the bottom fixing rods 1113 are fixedly connected to the bottom ends of the upright posts 1111, the bottom connecting plate 1115 is fixedly connected to the bottom fixing plate through a bottom locking member 1114, and the bottom connecting plate 1115 is used for being fixed with the bearing structure; the reinforcing bar 112 is fixedly connected to the upright 1111 of the adjacent stand 111. Specifically, in this embodiment, the rack body 11 includes six standing frames 111 arranged at equal intervals, each standing frame 111 includes two standing columns 1111, the standing frame 111 located at the middle position may not include the longitudinal fixing rod 1112, the bottom fixing rods 1113 of each standing frame 111 are parallel to each other, the bottom connecting plate 1115 is located on the same plane, the bottom locking member 1114 may employ a stud and a nut, the bottom connecting plate 1115 may be fixed to the ground, the bottom fixing rods 1113 are fixedly connected with the bottom connecting plate 1115 through the studs and the nuts to realize the stable connection of each vertical frame 111 and the bottom surface, thereby realizing the stable connection of the support frame 1, in order to ensure the connection stability between the stand frames 111, a reinforcing rod 112 is fixed on the stand 1111 of the stand frame 111 which is far away from the LED display screen 2, also, the reinforcing rods 112 are arranged in a lateral direction and an oblique direction, so that the stability of the connection between the stands 111 can be improved. In some embodiments, three, four, five, etc. stands 111 may also be provided. In some embodiments, the same upright 1111 can adopt a form spliced by a multi-section structure, a splice plate can be arranged at the end part of each section of the structure, the splice plate is fixed by bolts, so that the multi-section structure can be spliced into the upright 1111, and the initial structural unit can be smaller in size and convenient to transport due to the arrangement of the mode.

The support frame 1 includes at least two walking structures 12 spaced apart along the height direction of the frame body 11, each walking structure 12 includes a supporting frame body 121 fixedly connected to each upright 1111, a supporting plate 122 installed in the supporting frame body 121, and an angle plate 123 fixedly connected between the supporting frame body 121 and the upright 1111, and the plate surface of the supporting plate 122 is perpendicular to the extending direction of the upright 1111. Specifically, in this embodiment, the supporting frame 1 includes three layers of walking structures 12, the three layers of walking structures 12 are arranged in parallel, and are arranged at equal intervals, the supporting frame body 121 is fixedly connected between the upright posts 1111 of the adjacent upright posts 111, the angle plate 123 is an L-shaped structure, one side of the angle plate 123 is fixedly connected to the upright posts 1111 through screws, the other side of the angle plate 123 is fixed to the supporting frame 211 through screws, so as to realize stable connection between the supporting frame 211 and the upright posts 1111, and the supporting frame 211 can further reinforce the structural stability between the adjacent upright posts 111, the supporting plate 122 is embedded and arranged in the supporting frame 211, the supporting frame 211 includes an outer frame and a supporting bar fixed in the outer frame for supporting the supporting plate 122, and the supporting plate 122 adopts a mesh plate structure. In this embodiment, the end portions of the walking structures 12 at the second layer and the third layer from the bottom up are provided with the abdicating openings, which are located in the supporting frame 211 and not covered by the supporting plate 122, and the portions of the vertical frames 111 at the head and the tail ends, which are located between the first layer walking structure 12 and the second layer walking structure 12, may not include the longitudinal fixing rod 1112, so that the installation and maintenance personnel may more conveniently walk on the first layer walking structure 12, and may conveniently climb on the second layer walking structure 12 or the third layer walking structure 12 from the first layer walking structure 12. Through the arrangement of the walking structure 12, the installation and maintenance of the corresponding position of the LED display screen 2 by the installation and maintenance personnel can be facilitated. In some embodiments, the walking structure 12 can be provided with two layers, four layers, five layers, six layers, etc. according to the actual size of the area of the LED display screen 2.

The hoisting frame 13 comprises hanging longitudinal beams 131 fixedly connected to the top ends of the upright 1111 of each upright 111 and extending outwards for a preset length, a top cross beam 132 fixedly connected between the hanging longitudinal beams 131 to form a frame structure, and hanging beams 133 fixedly connected to the outwards extending ends of the hanging longitudinal beams, and the hanging assembly 3 is connected between the LED display screen 2 and the hanging beams 133. Specifically, in this embodiment, the top of each upright 111 is provided with a suspension longitudinal beam 131, the suspension longitudinal beams 131 of each upright 111 are parallel to each other and extend out of the corresponding upright 1111 for partial length equal, the top cross beam 132 can further improve the connection stability between the uprights 111, so that the overall structure of the support frame 1, the top cross beam 132 can be provided with reinforcing beams, through the suspension longitudinal beams 131, the suspension beams 133 and the suspension assemblies 3 are matched, the hoisting of the LED display screen 2 can be realized, and the LED display screen 2 and the support frame 1 have an interval with a preset distance, which is safer and more reliable.

The suspension beams 133 comprise suspension sub-beams, two ends of which are respectively fixedly connected to the end parts of the adjacent suspension longitudinal beams 131, and the suspension sub-beams are spliced into a whole; the suspension sub-beams include a top beam 1331 fixedly connected to the suspension longitudinal beam 131, a bottom beam 1332 fixedly connected to one side of the top beam 1331, a positioning fixture fixed between the top beam 1331 and the bottom beam 1332, and a suspension splice 1333 fixedly connected to the end of the top beam 1331 and the end of the bottom beam 1332; the bottom beam 1332 of the two adjacent suspended sub-beams is fixedly connected by a suspended beam splice 1333; the sling 13 also comprises a top fixing 134 fixedly connected to one side of the hanging longitudinal beam 131 and to a top beam 1331 corresponding to the hanging longitudinal beam 131. Specifically, in this embodiment, the top beam 1331 and the bottom beam 1332 are both in a square tube shape, the positioning fixing member is fixedly connected to the top side of the bottom beam 1332 by a screw, a threaded hole is formed in a position of the top beam 1331 corresponding to the positioning fixing member, the top beam 1331 and the positioning fixing member are fixedly connected by a screw, so that the bottom beam 1332 and the top beam 1331 are fixedly connected, the suspension beam splicing member 1333 is U-shaped and has a symmetrical structure, the suspension beam splicing member 1333 is embedded in the cavity of two adjacent bottom beams 1332 and is fixedly connected with the corresponding bottom beam 1332 by a bolt, so that the bottom beam 1332 is spliced, so that the whole structure of the suspension beam 133 is firmer and more stable, the top fixing member 134 is in a plate shape, and the top fixing member 134 can be fixed to the suspension longitudinal beam 131 by a screw or a welding manner and is fixedly connected to the top beam 1331 by a screw manner.

The bottom side of the bottom beam 1332 is provided with a positioning hole, and the suspension assembly 3 comprises a first connecting piece 31 with one end fixedly connected to the top side of the LED box 21 in the top row and the other end fixedly connected to the bottom side of the bottom beam 1332, a second connecting piece 32 with one side fixedly connected to the top side of the LED box 21 in the top row and the other side fixed to the bottom side of the bottom beam 1332, and a positioning column 33 protruding from the top side of the LED box 21 in the top row and embedded in the positioning hole. Specifically, in this embodiment, the first connecting member 31 is Z-shaped, one end of the first connecting member is fixedly connected to the frame 211 of the LED box 21 by a screw, the other end of the first connecting member is fixedly connected to one side of the bottom beam 1332 by a screw, the second fixing member is plate-shaped, the second fixing member can be fixedly connected to the frame 211 of the LED box 21 by a screw and is fixedly connected to the bottom beam 1332 by a screw, the LED display screen 2 can be firmly and stably hung on the suspension beam 133 by the first connecting member 31 and the second connecting member 32, so as to realize the hoisting of the LED display screen 2, and the positioning column 33 can ensure the installation accuracy of the LED display screen 2.

The LED box 21 comprises a frame 211, a display module 212 fixed to the frame 211 and having a display side facing away from the supporting frame 1, and a rear cover 213 covering the frame 211 and close to the supporting frame 1; the frame 211 side of adjacent LED case 21 splices mutually, and the joggle hole is seted up to the side of frame 211, and LED display screen 2 still includes the concatenation connecting piece that connects in the corresponding joggle hole of the frame 211 of adjacent LED case 21. Specifically, in this embodiment, the frame 211 of the LED box 21 is the rectangular frame 211, and, the inside fixed frame strip that has of frame 211, can set up a plurality of display module assemblies 212 in the LED box 21, the display module assembly 212 is fixed on the fixed frame strip, a plurality of display module assemblies 212 splice the display screen that forms LED box 21, can dismantle the connection between back lid 213 and the frame 211, therefore, can tear back lid 213 apart from frame 211 in the walking structure 12 department of support frame 1, realize the inside maintenance to LED box 21, and is more convenient and simple, the concatenation connecting piece can adopt the bolt, splice adjacent LED box 21 as an organic whole through the bolt, it is more firm.

Positioning notches are formed in the corner positions of the frames 211 of the adjacent LED boxes 21, close to the side of the support frame 1, and the positioning notches of the connected frames 211 are enclosed to form positioning grooves; the pull rod assembly 4 comprises a positioning pull plate 41 embedded in the positioning groove, a stressed pull rod 42 fixed on the positioning pull plate 41 and extending towards the support frame 1, and an assembly structure 43 fixedly connected to the stressed pull rod 42 and far away from the end of the positioning pull plate 41 and fixedly connected with the support frame 1, wherein the positioning pull plate 41 is fixedly connected with the corners of the connected frames 211; the mounting structure 43 includes a first mounting plate 431 fixed to one end of the force-receiving rod 42, a second mounting plate 432 spaced apart from one side of the first mounting plate 431, and a locking bar 433 fixedly connected to the first and second mounting

plates

431 and 432. Specifically, in this embodiment, the plurality of pull rod assemblies 4 are provided, the positioning grooves are octagonal as a whole, each positioning notch forming the positioning groove has the same shape, a threaded hole is formed in each positioning notch, the shape of the positioning pull plate 41 is matched with that of the positioning groove, the positioning pull plate 41 is fixedly connected with the threaded hole in each positioning notch through a screw, and the arrangement of the positioning pull plate 41 can enable each adjacent LED box 21 to be connected more firmly and stably; first mounting panel 431 and second mounting panel 432 are pressed from both sides in stand 1111, and through the locking lever 433 locking, first mounting panel 431 can pass through screw fixed connection in stand 1111, adjusting nut can be connected to locking lever 433, adjusting nut is located deviating from stand 1111 side of first mounting panel 431, therefore, when stand 1111 size differed, the horizontal distance of first mounting panel 431 and second mounting panel 432 can be adjusted through the locking degree of adjustment adjusting nut, make first mounting panel 431 and second mounting panel 432 and stand 1111 fixed stable, because atress pull rod 42 fixed connection is in first mounting panel 431 and location pull plate 41, under the effect of a plurality of atress pull rods 42, can prevent that LED display screen 2 from rocking in the display direction, improve display quality. In some embodiments, one end of one pull rod assembly 4 may also be fixedly connected to the frame of one LED box 21, and since the LED boxes 21 are spliced, the purpose of anti-shaking can also be achieved. In some embodiments, the shape of the positioning groove formed by the combination of the positioning notches may also be hexagonal, square, circular, etc., which is not limited herein as long as the final positioning pulling plate 41 and the box bodies of the adjacent four LED boxes 21 are fixedly connected.

A rotating seat 2111 with a containing groove is arranged at the bottom of one side of the frame 211, a rotating shaft 2131 is arranged at the position, corresponding to the rotating seat 2111, of the rear cover 213, the rotating shaft 2131 can be placed in the containing groove, and the rotating shaft 2131 can be pulled away from the containing groove when the included angle between the rear cover 213 and the panel of the LED box 21 is within a preset angle range; the frame 211 is provided with a blocking piece 2112, a rotary locking piece 2132 is arranged at the position, corresponding to the blocking piece 2112, of the rear cover 213, the rotary shaft 2131 is positioned in the accommodating groove, when the rotary locking piece 2132 is embedded into the blocking piece 2112, the rear cover 213 is covered with the frame 211, and at the moment, the included angle between the panels of the rear cover 213 and the frame 211 is not in a preset angle range; a handle 2133 is fixed to the rear cover 213 on the side closer to the support frame 1. Specifically, in this embodiment, the opening direction of the accommodating groove faces obliquely upward toward the supporting frame 1, therefore, only the rear cover 213 is rotated outward and the rear cover 213 and the panel surface of the LED box 21 can be pulled away from the rear cover 213 within a predetermined angle range, the rotating locking element 2132 can be provided with a locking tongue, a locking opening can be formed between the blocking element 2112 and the frame 211, the locking tongue of the rotating locking element 2132 can be rotated by a key, so that the locking tongue enters or leaves the locking opening, thereby locking or unlocking the rotating locking element 2132 and the blocking element 2112 is realized, and in the locking state, because the rotating shaft 2131 is not within the predetermined angle range, the rotating shaft 2131 cannot be pulled out from the accommodating groove of the rotating seat 2111. Therefore, the rotation seat 2111, the rotation shaft 2131, the blocking part 2112 and the rotation locking part 2132 are matched, so that the rear cover 213 and the frame 211 can be firmly and stably fixedly connected, and when the LED box is required to be opened, the rear cover 213 and the frame 211 can be separated by rotating the rear cover 213 by a proper angle after unlocking by a key, and maintenance personnel can conveniently maintain the LED box 21 on the walking structure 12. In some embodiments, the back cover 213 and the frame 211 may also be connected by a hinge and a latch, and the connection between the back cover 213 and the frame 211 is not limited as long as the opening and closing actions can be achieved.

The spliced LED display system also comprises a bearing component 5 which is fixed on one side of the support frame 1 and is fixed on the bottom side of the LED display screen 2; the bearing assembly 5 comprises a bearing corner bracket 51 fixedly connected with one side of the support frame 1 and a bearing cross beam 52 fixedly connected with the top side of the bearing corner bracket 51 and fixed on the bottom side of the LED display screen 2. Specifically, in this embodiment, the upright 1111 at the front side of each upright 111 is fixed with a bearing angle bracket 51, the bearing angle bracket 51 is in a right triangle shape, a right-angle edge of the bearing angle bracket 51 can be fixed on the upright 1111 by a bolt, the bearing beam 52 can be fixed on the other right-angle edge of the bearing angle bracket 51 by a screw, and the bearing beam 52 is fixedly connected with the frame 211 of the LED box 21 at the bottom side of the LED display screen 2, so that the supporting function for the bottom of the LED display screen 2 can be realized, and under the common cooperation of the bearing assembly 5, the pull rod assembly 4, the suspension assembly 3 and the support frame 1, the firm and stable installation of the LED display screen 2 can be realized, and the structure is simple, and the splicing structure is adopted, thereby facilitating installation and disassembly, and facilitating maintenance.

The above description is intended to be illustrative of the preferred embodiment of the present invention and should not be taken as limiting the utility model, but rather, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the utility model.

Claims

1. The utility model provides a concatenation formula LED display system, its characterized in that includes support frame, LED display screen, hangs subassembly and draw bar assembly, the support frame include the support body, install in the walking structure of support body and install in the hoist and mount frame of length is predetermine in the top of support body and outwards extend, the LED display screen set up in one side of support body, the LED display screen is including in a row and just to be arranged in a row and distribute and splice four at least LED casees for holistic, the LED display screen by hang subassembly fixed connection in the extension side of hoist and mount frame, draw bar assembly fixed connection in the LED box with the support body.

2. The tiled LED display system of claim 1, wherein the frame body comprises at least two spaced-apart vertical frames and a reinforcing rod connected between adjacent vertical frames;

the vertical frame comprises a vertical column, a longitudinal fixing rod, a bottom connecting plate and a bottom locking piece; the same vertical frame comprises at least two upright posts which are arranged at intervals along the viewing direction of the LED display screen, a plurality of longitudinal fixing rods which are arranged at intervals are connected between every two adjacent upright posts, the bottom fixing rods are fixedly connected to the bottom ends of the upright posts, the bottom connecting plate is fixedly connected to the bottom fixing rods through the bottom locking pieces, and the bottom connecting plate is used for being fixed with a bearing structure;

3. The spliced LED display system of claim 2, wherein the support frame comprises at least two walking structures spaced apart along the height direction of the frame body, each walking structure comprises a support frame body fixedly connected to each of the columns, a support plate installed in the support frame body, and an angle plate fixedly connected between the support frame body and the column, and the plate surface of the support plate is perpendicular to the extending direction of the column.

4. The tiled LED display system of claim 2, wherein the hanger comprises hanging longitudinal beams fixedly connected to top ends of the vertical columns of the respective vertical frames and extending outward for a predetermined length, top cross beams fixedly connected between the hanging longitudinal beams to form a frame structure, and hanging beams fixedly connected to outward extending ends of the top cross beams, wherein the hanging assembly is connected between the LED display screen and the hanging beams.

5. The tiled LED display system of claim 4, wherein the suspension beams comprise suspension sub-beams, two ends of each suspension sub-beam are respectively fixedly connected to the end portions of the adjacent suspension longitudinal beams, and the suspension sub-beams are tiled into a whole;

6. The tiled LED display system of claim 5, wherein the bottom beam has a positioning hole formed at a bottom side thereof, and the suspension assembly comprises a first connecting member having one end fixedly connected to the top side of the LED boxes in the top row and the other end fixedly connected to the bottom side of the bottom beam, a second connecting member having one end fixedly connected to the top side of the LED boxes in the top row and the other end fixed to the bottom side of the bottom beam, and a positioning post protruding from the top side of the LED boxes in the top row and embedded in the positioning hole.

7. The tiled LED display system of any of claims 1-6, wherein the LED box comprises a frame, a display module fixed to the frame with a display side facing away from the support frame, and a rear cover covering the frame near the support frame;

8. The tiled LED display system of claim 7, wherein positioning notches are formed at the corner positions of the frames of the adjacent LED boxes close to the side of the support frame, and the positioning notches of the connected frames enclose to form positioning grooves;

the pull rod assembly comprises a positioning pull plate embedded in the positioning groove, a stress pull rod fixed on the positioning pull plate and extending towards the support frame, and an assembly structure fixedly connected to the stress pull rod, far away from the end of the positioning pull plate, and fixedly connected with the support frame, wherein the positioning pull plate is fixedly connected with the corners of the connected frames;

9. The tiled LED display system of claim 7, wherein the bottom of one side of the frame is provided with a rotating base having a receiving slot, the rear cover is provided with a rotating shaft corresponding to the rotating base, the rotating shaft can be placed in the receiving slot, and the rotating shaft can be pulled away from the receiving slot when the included angle between the rear cover and the panel of the LED box is within a predetermined angle range;

the frame is provided with a blocking piece, a rotary locking piece is arranged at a position of the rear cover corresponding to the blocking piece, the rotary shaft is positioned in the accommodating groove, when the rotary locking piece is embedded into the blocking piece, the rear cover is covered with the frame, and at the moment, the included angle between the rear cover and the panel of the frame is not within the preset angle range;

10. The tiled LED display system of claim 7, further comprising a carrier assembly secured to one side of the support frame and to a bottom side of the LED display screen;