Splicing type LED display screen and splicing method thereof

Abstract

The invention belongs to the technical field of LED display screens, and discloses a spliced LED display screen and a splicing method thereof.The spliced LED display screen comprises a display panel, an assembly bottom shell is fixedly arranged at the bottom of the display panel, and the display panel is sleeved with an elastic splicing assembly. According to the detachable display panel, approaching and pushing force generated when adjacent display screens are spliced are utilized, offset of the nested positioning assemblies is achieved through the elastic splicing assemblies, and during combination and splicing, self-locking and fixing are conducted on the previous single-set display panel, so that locking and fixing of the detachable display panel are completed while splicing is completed, and when maintenance is needed, the detachable display panel can be conveniently assembled and disassembled. Through an external rigid structure and an active reverse pushing elastic nested positioning assembly, under the condition that the spliced LED display screen does not need to be disassembled, separation and taking-out of a target single-group display panel are rapidly completed, detection processing of back wiring is facilitated, splicing is facilitated actually, meanwhile, the effect that independent display panels are rapidly disassembled and overhauled is achieved, and the service life of the spliced LED display screen is prolonged. And the comprehensive use effect is good.

Description

Technical Field

[0001] The invention belongs to the technical field of LED display screens, and specifically relates to a splicing type LED display screen and a splicing method thereof. Background Art

[0002] LED display is a display device composed of an arrangement of light-emitting diodes (LEDs) that can display various information such as text, graphics, images, animations, quotes, videos, and video signals.

[0003] In the prior art, LED display screens with splicing structures usually use rigid splicing mechanisms to achieve splicing processing by being clipped or stacked on each other during the splicing process. However, after actual splicing, each group of display panels is fixed in the entire display screen frame. When an independent display panel needs to be inspected and maintained, it is usually difficult to achieve independent disassembly. The spliced ​​display screen needs to be fully disassembled before a specific independent display panel can be disassembled and inspected. The actual disassembly workload is large. After the inspection and other operations, more complicated installation steps are also required, and the overall use effect is not good. Summary of the invention

[0004] The object of the present invention is to provide a spliced ​​LED display screen and a splicing method thereof to solve the problems raised in the above background technology.

[0005] In order to achieve the above-mentioned object, the present invention provides the following technical solutions: a splicing type LED display screen and a splicing method thereof, comprising a display panel, a mounting bottom shell is fixedly provided at the bottom of the display panel, an elastic splicing component is sleeved on the outside of the display panel, an assembly frame is movably sleeved on the outside of the mounting bottom shell, the elastic splicing component is fixedly sleeved on the outside of the assembly frame, a positioning component is nested inside the elastic splicing component, one end of the positioning component is movably sleeved on the side of the assembly frame, a conducting groove is opened on the side of the mounting bottom shell, and a fan shell and a fan are arranged inside the mounting bottom shell;

[0006] The elastic splicing component includes an elastic sleeve, an embedded sleeve, an embedded groove, a No. 1 mouth and a No. 2 mouth. The elastic sleeve is elastically sleeved on the outer surface of the display panel. The embedded sleeve and the embedded groove are distributed on the left and right sides of the elastic sleeve. The embedded sleeve and the embedded groove are adapted to each other. The No. 1 mouth and the No. 2 mouth are distributed on the left and right sides of the elastic splicing component.

[0007] Preferably, the assembly bottom shell includes a shell, an internal cavity, a suction port and a reserved groove, the shell is fixedly mounted on the back of the display panel, the internal cavity and the reserved groove are respectively opened at the top and bottom of the shell, the suction port is opened inside the shell, the two ends of the suction port are respectively connected to the internal cavity and the reserved groove, and the conducting groove is connected to the internal cavity.

[0008] Preferably, a mounting plate is fixedly provided on one side of the assembly frame, a mounting hole is provided on the front side of the mounting plate, and an adapting opening is provided on the other side of the assembly frame, and the adapting opening is adapted to the mounting plate.

[0009] Preferably, the No. 1 port is opened at the top of the embedded sleeve, the No. 2 port is opened at the top of the elastic sleeve, the No. 1 port and the No. 2 port are the same size, and the No. 2 port is located above the embedded groove and is connected to the embedded groove.

[0010] Preferably, the positioning assembly includes a folding plate, a ventilation cavity and a top opening, one end of the folding plate is nested in the elastic splicing assembly, and the other end is movably connected to the side of the assembly frame, the guide groove is located on the moving path of the lower end of the folding plate, the ventilation cavity is opened inside the folding plate, and the top opening is opened at the top of the folding plate, and the top opening is located below the No. 1 opening and is connected to the No. 1 opening.

[0011] Preferably, a fan housing is fixedly provided inside the shell, and a fan is provided inside the fan housing. The fan sucks in hot air from the back of the display screen through the suction port and the reserved groove, and discharges it through the positioning component.

[0012] Preferably, a baffle is fixedly provided inside the assembly rack, the baffle is located at the bottom of the assembly bottom shell, and an elastic pad is fixedly nested on the inner surface of the assembly rack.

[0013] A splicing method for a splicing type LED display screen includes the following splicing steps:

[0014] Step 1: insert the assembly bottom shell with the display panel fixed thereon along the assembly frame, and make the display panel elastically nested in the elastic splicing component;

[0015] Step 2: Align the self-assembled single-group display screen above and place it on the front of the display screen mounting frame, use bolts to sleeve it into the mounting plate, and perform single-group installation and fixation;

[0016] Step 3: Place a group of similarly assembled display screens on one side of the above display screen, and push the embedded sleeve in the elastic splicing component of the spliced ​​display screen to align and sleeve with the embedded groove of the elastic splicing component of the installed display screen, and at the same time, align the adapter port of the spliced ​​display screen with the mounting plate of the installed display screen to complete the preliminary splicing;

[0017] Step 4: Then push the newly inserted display screen horizontally, so that the two sets of elastic splicing components in contact are squeezed against each other, and the positioning component embedded in the sleeve is moved horizontally under elastic compression, and the folding plate is moved toward the inside of the assembly frame, and is sleeved in the conducting groove of the assembly bottom shell, completing the initial self-assembled display panel and the assembly bottom shell. Fix it in the assembly frame, and then fix the mounting plate of the newly inserted display screen by bolts, and complete a set of splicing. Similarly, continue to complete continuous splicing towards the adjacent part;

[0018] Step 5: When it is necessary to inspect a single display panel, take the external rigid plug-in board, insert it into the embedded sleeve of the adjacent elastic splicing component, and insert it into the top opening of the corresponding folding plate, push and squeeze the embedded sleeve laterally, so that the embedded sleeve drives the internal positioning component to shift laterally, and the folding plate is moved out of the conducting groove, release the positioning and fixation of the assembly bottom shell in the assembly frame, use an external suction cup to adsorb toward the display panel, and pull it outward to complete the separate removal and inspection of the target display panel.

[0019] The beneficial effects of the present invention are as follows:

[0020] (1) The present invention utilizes the cooperation of elastic splicing components, assembly bottom shell and assembly frame to realize the splicing of adjacent display screens. By first completing the self-damping sleeve of a single group of display panels, and utilizing the proximity and thrust of adjacent display screens during splicing, the elastic splicing components are utilized to realize the offset of the nested positioning components. When performing combined splicing, the previous single group of display panels are self-locked and fixed, thereby completing the locking and fixing of the detachable display panel while completing the splicing. When maintenance is required, the elastic nested positioning components are actively pushed in the reverse direction through the external rigid structure. Without dismantling the spliced ​​LED display screen, the target single group of display panels can be quickly separated and removed, and the detection and processing of the back wiring can be convenient. In fact, it has the effect of facilitating splicing while also having the effect of quick disassembly and maintenance of independent display panels, and the comprehensive use effect is good.

[0021] (2) The present invention utilizes the combined splicing effect of the elastic splicing components. During and after the splicing process, each group of display panels has an isolation effect of the elastic sleeve, so that the elastic sleeve can fill and protect the gaps between adjacent spliced ​​display panels. Protection is achieved throughout the entire splicing process to avoid damage caused by rigid collisions. Continuous protection can also be achieved after the splicing is completed, effectively improving the safety and stability of the splicing assembly and reducing the breakage and damage rate of the display screen.

[0022] (3) The present invention reuses the positioning component and the elastic splicing component, utilizes the air passage formed by the ventilation cavity and the top port in the positioning component, and the air passage formed by the No. 1 port and the No. 2 port, and utilizes the air supply effect of the fan inside the assembled bottom shell to guide the heat from the high-temperature area on the back of the spliced ​​display screen to be quickly absorbed and discharged, thereby completing the efficient heat dissipation treatment of the spliced ​​display screen. The actual opening gap between the No. 1 port and the No. 2 port is relatively small, and is relatively sealed under the elastic effect, and is pushed open and opened under the ventilation effect, thereby achieving effective heat dissipation and effectively preventing dust from entering the interior, thereby achieving better actual use effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a structural schematic diagram of the present invention;

[0024] Figure 2 This is a schematic diagram of the back side of the present invention after splicing;

[0025] Figure 3 It is a cross-sectional schematic diagram of the present invention;

[0026] Figure 4 It is a schematic diagram of the connection between the elastic splicing component and the assembly frame of the present invention;

[0027] Figure 5 is a cross-sectional schematic diagram of the elastic splicing assembly of the present invention;

[0028] Figure 6 for Figure 5 A schematic diagram of the structure enlargement at the center A;

[0029] Figure 7 is a schematic diagram of a positioning assembly of the present invention;

[0030] Figure 8 It is an exploded schematic diagram of the display panel and the assembly bottom shell of the present invention;

[0031] Fig. 9 It is a cross-sectional schematic diagram of assembling the bottom shell of the present invention.

[0032] In the figure: 1. display panel; 2. assembly bottom shell; 21. shell; 22. internal cavity; 23. suction port; 24. reserved slot; 3. assembly frame; 4. baffle; 5. elastic splicing component; 51. elastic sleeve; 52. embedded sleeve; 53. embedded slot; 54. No. 1 port; 55. No. 2 port; 6. mounting plate; 7. positioning component; 71. folding plate; 72. ventilation cavity; 73. top port; 8. fan shell; 9. fan; 10. conduction slot; 11. adapter port. DETAILED DESCRIPTION

[0033] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0034] like Figures 1 to 9 As shown, an embodiment of the present invention provides a splicing type LED display screen and a splicing method thereof, comprising a display panel 1, a mounting bottom shell 2 is fixedly provided at the bottom of the display panel 1, an elastic splicing component 5 is sleeved on the outside of the display panel 1, an assembly frame 3 is movably sleeved on the outside of the mounting frame 3, the elastic splicing component 5 is fixedly sleeved on the outside of the assembly frame 3, a positioning component 7 is nested inside the elastic splicing component 5, one end of the positioning component 7 is movably sleeved on the side of the assembly frame 3, a conducting groove 10 is opened on the side of the mounting bottom shell 2, a fan shell 8 and a fan 9 are provided inside the mounting bottom shell 2, the elastic splicing component 5 comprises an elastic sleeve 51, an embedded sleeve 52, an embedded groove 53, a first mouth 54 and a second mouth 55, the elastic sleeve 51 is elastically sleeved on the outer side of the display panel 1, the embedded sleeve 52 and the embedded groove 53 are distributed on the left and right sides of the elastic sleeve 51, the embedded sleeve 52 and the embedded groove 53 are adapted to each other, and the first mouth 54 and the second mouth 55 are distributed on both sides of the elastic splicing component 5.

[0035] Embodiment 1: The assembly bottom shell 2 fixed with the display panel 1 is inserted along the assembly frame 3, and the display panel 1 is elastically nested in the elastic splicing component 5, and the elastic sleeve 51 is kept elastically wrapped around the outside of the display panel 1, and the above-mentioned self-assembled single group of display screens are aligned and placed on the front of the display screen mounting frame, and are bolted into the mounting plate 6, and are fixed as a single group, and a group of display screens that are also assembled are placed on one side of the above-mentioned display screens, and the embedded sleeve 52 in the elastic splicing component 5 in the spliced ​​display screen is pushed to align and sleeve with the embedded groove 53 of the elastic splicing component 5 of the above-mentioned installed display screen, and at the same time, the adapter port 11 of the spliced ​​display screen is sleeved and aligned with the mounting plate 6 of the installed display screen, and the preliminary splicing is completed, and then the newly spliced ​​display screen is pushed horizontally, so that the two contacting groups of elastic splicing components 5 are squeezed against each other, and the positioning component 7 in the embedded sleeve 52 is elastically compressed. Move horizontally, and make the folding plate 71 move toward the inside of the assembly frame 3, and be sleeved in the conducting groove 10 of the assembly bottom shell 2, complete the initial self-assembled display panel 1 and the assembly bottom shell 2 fixation, and fix them in the assembly frame 3, and then fix the mounting plate 6 of the newly assembled display screen by bolts, and complete a set of splicing. Similarly, continue to complete continuous splicing toward the adjacent place. When it is necessary to inspect and check a single group of display panels 1, take the external rigid plug-in plate, and insert it into the embedding sleeve 52 of the adjacent elastic splicing component 5, and insert it into the top opening 73 of the corresponding folding plate 71, push the folding plate 71 horizontally and squeeze the embedding sleeve 52, so that the embedding sleeve 52 drives the internal positioning component 7 to shift horizontally, so that the folding plate 71 is moved out of the conducting groove 10, and the positioning and fixation of the assembly bottom shell 2 in the assembly frame 3 are released, and the external suction cup is used to adsorb toward the display panel 1 and pull it outward to complete the separate removal and detection of the target display panel 1.

[0036] Firstly, by utilizing the cooperation of the elastic splicing component 5, the assembly bottom shell 2 and the assembly frame 3, when realizing the splicing of adjacent display screens, the self-damping sleeve of the single group display panel 1 is completed first, and the proximity and thrust when the adjacent display screens are spliced ​​are utilized, and the offset of the nested positioning component 7 is realized by utilizing the elastic splicing component 5. When performing combined splicing, the previous single group display panel 1 is self-locked and fixed, so that the detachable display panel 1 is locked and fixed while the splicing is completed, and when maintenance is required, the elastic nested positioning component 7 is actively pushed in the reverse direction through the external rigid structure, so that the target single group display panel 1 can be quickly separated and removed without dismantling the spliced ​​LED display screen, and the detection and processing of the back wiring are convenient. In fact, it is convenient for splicing, and it also has the effect of quick disassembly and maintenance of independent display panels, and the comprehensive use effect is good.

[0037] In addition, by utilizing the combined splicing effect of the elastic splicing components 5, during the splicing process and after the splicing is completed, each group of display panels has the isolation effect of the elastic sleeve 51, so that the elastic sleeve 51 can fill and protect the gaps between adjacent spliced ​​display panels, thereby achieving protection during the entire splicing process to avoid damage caused by rigid collisions, and can also achieve continuous protection after the splicing is completed, effectively improving the safety and stability of the splicing assembly and reducing the breakage and damage rate of the display screen.

[0038] Embodiment 2: When the spliced ​​LED display screen is in operation, the back side is stably raised and the fan 9 is started. The fan 9 absorbs air from the high-temperature area on the back side through the suction port 23, and inputs the air into the ventilation cavity 72 of the folding plate 71 through the internal cavity 22 and the conducting groove 10, and blows the air outward along the ventilation cavity 72, the top port 73, the first port 54 and the second port 55, thereby releasing the internal heat and achieving internal cooling.

[0039] Firstly, by reusing the positioning component 7 and the elastic splicing component 5, utilizing the air passage formed by the ventilation cavity 72 and the top opening in the positioning component 7, and the air passage formed by the No. 1 port 54 and the No. 2 port 55, and utilizing the air supply effect of the fan 9 inside the assembled bottom shell 2, the heat from the high-temperature area on the back of the spliced ​​display screen is guided to be quickly absorbed and discharged, thereby completing the efficient heat dissipation treatment of the spliced ​​display screen. The actual opening gap between the No. 1 port 54 and the No. 2 port 55 is relatively small, and is relatively sealed under the elastic effect, and is pushed open and opened under the ventilation effect, thereby achieving effective heat dissipation while effectively preventing dust from entering the interior, and achieving better actual use effect.

[0040] Among them, the assembled bottom shell 2 includes a shell 21, an internal cavity 22, an air inlet 23 and a reserved groove 24. The shell 21 is fixedly installed on the back of the display panel 1. The internal cavity 22 and the reserved groove 24 are respectively opened at the top and bottom of the shell 21. The air inlet 23 is opened inside the shell 21. The two ends of the air inlet 23 are respectively connected with the internal cavity 22 and the reserved groove 24. The conducting groove 10 is connected with the internal cavity 22. A fan shell 8 is fixedly provided inside the shell 21. A fan 9 is provided inside the fan shell 8. The fan 9 inhales hot air from the back of the display screen through the air inlet 23 and the reserved groove 24, and discharges it through the positioning component 7.

[0041] The air in the back space is sucked in by using the suction port 23 in conjunction with the fan 9 , and the reserved groove 24 avoids sealing with the mounting frame external to the spliced ​​display screen, ensuring that the suction port 23 has sufficient suction space, and the internal cavity 22 is used to pre-store the back line layout of the display panel 1 .

[0042] A mounting plate 6 is fixedly provided on one side of the assembly frame 3 , a mounting hole is provided on the front side of the mounting plate 6 , and an adapting opening 11 is provided on the other side of the assembly frame 3 , and the adapting opening 11 is adapted to the mounting plate 6 .

[0043] The mounting plate 6 cooperates with the mounting hole to achieve fixed locking with the external mounting frame, and the adapter port 11 adapts to the mounting plate 6 of the adjacent display screen to achieve stacking on each other after splicing, and the splicing process has better stability.

[0044] The first opening 54 is opened at the top of the embedded sleeve 52 , and the second opening 55 is opened at the top of the elastic sleeve 51 . The first opening 54 and the second opening 55 have the same size. The second opening 55 is located above the embedded groove 53 and is connected to the embedded groove 53 .

[0045] By adapting the No. 1 port 54 and the No. 2 port 55, it is ensured that when the adjacent elastic splicing components 5 are sleeved and squeezed, the corresponding No. 1 port 54 and the No. 2 port 55 are connected, which facilitates the connection of the top port 73 and completes the heat extraction and dissipation processing.

[0046] Among them, the positioning component 7 includes a folding plate 71, a ventilation cavity 72 and a top opening 73. One end of the folding plate 71 is nested in the elastic splicing component 5, and the other end is movably sleeved on the side of the assembly frame 3. The guide groove 10 is located on the moving path of the lower end of the folding plate 71. The ventilation cavity 72 is opened inside the folding plate 71. The top opening 73 is opened at the top of the folding plate 71. The top opening 73 is located below the No. 1 opening 54 and is connected to the No. 1 opening 54.

[0047] The bottom shell 2 inside the assembly frame 3 is fixed by utilizing the positioning component 7 under an offset action, and the positioning is released when it is offset in the reverse direction, so that the display panel 1 can be taken out separately. The positioning component 7 realizes ventilation guidance and the external output of internal hot air by utilizing the internal hollow design, thereby improving the heat dissipation efficiency.

[0048] A baffle plate 4 is fixedly disposed inside the assembly frame 3 , and the baffle plate 4 is located at the bottom of the assembly bottom shell 2 . An elastic pad is fixedly embedded on the inner surface of the assembly frame 3 .

[0049] The baffle 4 is used to achieve auxiliary positioning of the assembled bottom shell 2 after sleeve connection to prevent it from falling out, and the addition of the elastic pad increases the damping of the assembled bottom shell 2 after sleeve connection, thereby improving the stability after sleeve connection assembly.

[0050] A splicing method for a splicing type LED display screen includes the following splicing steps:

[0051] Step 1: insert the assembly bottom case 2 with the display panel 1 fixed thereon along the assembly frame 3, and make the display panel 1 elastically nested in the elastic splicing component 5;

[0052] Step 2: align the self-assembled single group display screen above and place it on the front of the display screen mounting frame, sleeve it into the mounting plate 6 with bolts, and perform single group installation and fixation;

[0053] Step 3: Place a group of similarly assembled display screens on one side of the above display screen, and push the embedding sleeve 52 in the elastic splicing component 5 in the spliced ​​display screen to align and sleeve with the embedding groove 53 of the elastic splicing component 5 of the above installed display screen, and at the same time, the adapter port 11 of the spliced ​​display screen is sleeved and aligned with the mounting plate 6 of the installed display screen, thus completing the preliminary splicing;

[0054] Step 4: Then, the newly inserted display screen is pushed horizontally, so that the two sets of elastic splicing components 5 in contact are squeezed against each other, and the positioning component 7 in the embedded sleeve 52 is moved horizontally under elastic compression, and the folding plate 71 is moved toward the inside of the assembly frame 3, and is sleeved in the conducting groove 10 of the assembly bottom shell 2, so that the initial self-assembled display panel 1 and the assembly bottom shell 2 are fixed, and fixed in the assembly frame 3, and then the mounting plate 6 of the newly inserted display screen is fixed by bolts, so that one set of splicing is completed, and similarly, continuous splicing is completed toward the adjacent part;

[0055] Step 5: When it is necessary to inspect a single display panel 1, take the external rigid plug-in board, insert it into the embedded sleeve 52 of the adjacent elastic splicing component 5, and insert it into the top opening 73 of the corresponding folding plate 71, push and squeeze the embedded sleeve 52 laterally, so that the embedded sleeve 52 drives the internal positioning component 7 to shift laterally, and the folding plate 71 is moved out of the conducting groove 10, release the positioning and fixation of the assembly bottom shell 2 in the assembly frame 3, use an external suction cup to adsorb toward the display panel 1, and pull it outward to complete the separate removal and inspection of the target display panel 1.

[0056] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A spliced ​​LED display screen, comprising a display panel (1), characterized in that: The bottom of the display panel (1) is fixedly provided with an assembly bottom shell (2), the outside of the display panel (1) is sleeved with an elastic splicing component (5), the outside of the assembly bottom shell (2) is movably sleeved with an assembly frame (3), the elastic splicing component (5) is fixedly sleeved on the outside of the assembly frame (3), a positioning component (7) is nested inside the elastic splicing component (5), one end of the positioning component (7) is movably sleeved on the side of the assembly frame (3), a conducting groove (10) is opened on the side of the assembly bottom shell (2), and a fan shell (8) and a fan (9) are provided inside the assembly bottom shell (2); The elastic splicing component (5) comprises an elastic sleeve (51), an embedding sleeve (52), an embedding groove (53), a first mouth (54) and a second mouth (55); the elastic sleeve (51) is elastically sleeved on the outer surface of the display panel (1); the embedding sleeve (52) and the embedding groove (53) are distributed on the left and right sides of the elastic sleeve (51); the embedding sleeve (52) and the embedding groove (53) are matched; the first mouth (54) and the second mouth (55) are distributed on the left and right sides of the elastic splicing component (5).

2. A spliced ​​LED display screen according to claim 1, characterized in that: The assembly bottom shell (2) comprises a shell (21), an internal cavity (22), a suction port (23) and a reserved groove (24); the shell (21) is fixedly mounted on the back of the display panel (1); the internal cavity (22) and the reserved groove (24) are respectively arranged at the top and bottom of the shell (21); the suction port (23) is arranged inside the shell (21); two ends of the suction port (23) are respectively connected to the internal cavity (22) and the reserved groove (24); and the conducting groove (10) is connected to the internal cavity (22).

3. A spliced ​​LED display screen according to claim 2, characterized in that: A mounting plate (6) is fixedly provided on one side of the assembly frame (3), a mounting hole is provided on the front side of the mounting plate (6), and an adapting opening (11) is provided on the other side of the assembly frame (3), the adapting opening (11) being adapted to the mounting plate (6).

4. A spliced ​​LED display screen according to claim 3, characterized in that: The first opening (54) is opened at the top of the embedded sleeve (52), and the second opening (55) is opened at the top of the elastic sleeve (51). The first opening (54) and the second opening (55) have the same size. The second opening (55) is located above the embedded groove (53) and is communicated with the embedded groove (53).

5. A spliced ​​LED display screen according to claim 4, characterized in that: The positioning assembly (7) comprises a folding plate (71), a ventilation cavity (72) and a top opening (73); one end of the folding plate (71) is nested in the elastic splicing assembly (5), and the other end is movably sleeved on the side of the assembly frame (3); the conducting groove (10) is located on the moving path of the lower end of the folding plate (71); the ventilation cavity (72) is opened inside the folding plate (71); the top opening (73) is opened at the top of the folding plate (71); the top opening (73) is located below the No. 1 opening (54) and is communicated with the No. 1 opening (54).

6. A spliced ​​LED display screen according to claim 5, characterized in that: A fan housing (8) is fixedly provided inside the housing (21), and a fan (9) is provided inside the fan housing (8). The fan (9) inhales hot air from the back of the display screen through the suction port (23) and the reserved groove (24), and guides the hot air out through the positioning assembly (7).

7. A spliced ​​LED display screen according to claim 6, characterized in that: A baffle (4) is fixedly provided inside the assembly frame (3), and the baffle (4) is located at the bottom of the assembly bottom shell (2). An elastic pad is fixedly nested on the inner surface of the assembly frame (3).

8. The method for splicing a spliced ​​LED display screen according to claim 7, characterized in that: The following splicing steps are included: The first step is to insert the assembly bottom shell (2) with the display panel (1) fixed thereon along the assembly frame (3), and to make the display panel (1) elastically nested in the elastic splicing component (5); Step 2: align the self-assembled single group display screen and place it on the front of the display screen mounting frame, sleeve it into the mounting plate (6) with bolts, and perform single group installation and fixation; Step 3: Place a group of similarly assembled display screens on one side of the above display screen, and push the embedding sleeve (52) in the elastic splicing component (5) of the spliced ​​display screen to align and sleeve with the embedding groove (53) of the elastic splicing component (5) of the installed display screen, and at the same time, align and sleeve the adapter port (11) of the spliced ​​display screen with the mounting plate (6) of the installed display screen, thus completing the preliminary splicing; Step 4: Then, the newly inserted display screen is pushed laterally, so that the two sets of elastic splicing components 5 in contact are squeezed against each other, and the positioning component (7) in the embedded sleeve (52) is moved laterally under elastic compression, and the folding plate (71) is moved toward the inside of the assembly frame (3) and sleeved in the conducting groove (10) of the assembly bottom shell (2), so that the initial self-assembled display panel (1) and the assembly bottom shell (2) are fixed and fixed in the assembly frame (3), and then the mounting plate (6) of the newly inserted display screen is fixed by bolts, so that one set of splicing is completed, and similarly, continuous splicing is continued toward the adjacent part; Step 5: When it is necessary to inspect a single display panel (1), take the external rigid plug-in board and insert it into the embedding sleeve (52) of the adjacent elastic splicing component (5), and insert it into the top opening (73) of the corresponding folding plate (71), push and squeeze the embedding sleeve (52) laterally, so that the embedding sleeve (52) drives the internal positioning component (7) to shift laterally, and the folding plate (71) is moved out of the conducting groove (10), and the positioning and fixing of the assembly bottom shell (2) in the assembly frame (3) is released, and the external suction cup is used to adsorb toward the display panel (1), and then pulled outward to complete the individual removal and inspection of the target display panel (1).

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