Mounting device and LED display screen

Abstract

The mounting device comprises a cross beam structure, a suspension mechanism and a supporting device, LED display screen mounting parts are arranged at the upper end and the lower end of the cross beam structure, the LED display screen is mounted on the LED display screen mounting parts, the suspension mechanism is detachably mounted at the upper end of the cross beam structure, and the supporting device is arranged on the upper end of the cross beam structure. The supporting device is arranged at the lower end of the cross beam structure; the installation device further comprises adjusting assemblies and a standby assembly, the adjusting assemblies are arranged at the left end and the right end of the cross beam structure, the standby assembly comprises a plurality of angle blocks, and the angle blocks are arranged in an installation cavity formed by the installation device. The adjusting assembly is used for replacing at least part of structures in the adjusting assembly when the two installation devices are spliced so as to adjust the relative angle of the two installation devices after connection.

Description

Technical Field

[0001] The utility model relates to the technical field of LED display, in particular to a mounting device and an LED display screen. Background Art

[0002] With the development of commercial leasing in the LED industry, leased LEDs need to meet various customer needs, such as ground stacking, high-altitude hoisting, etc. The traditional practice is usually to use the hanging beam and stacking base separately, and each hanging beam or stacking base is only equipped with one angle block. If the spliced ​​hanging beam or stacking base needs to be adjusted to other angles, it is necessary to find a new angle block, which is very inconvenient to use. Utility Model Content

[0003] The utility model provides a mounting device and an LED display screen, which can realize the stacking and hoisting functions of the LED display screen through the mounting device, and at the same time can adjust the relative angle of two mounting devices after being connected through the angle block in the spare component, and the operation is very simple.

[0004] The utility model also provides a mounting device for fixing an LED display screen, characterized in that the mounting device comprises a crossbeam structure, a suspension mechanism and a supporting device, the upper and lower ends of the crossbeam structure are both provided with LED display screen mounting parts, the LED display screen is mounted on the LED display screen mounting parts, the suspension mechanism is detachably mounted on the upper end of the crossbeam structure, and the supporting device is arranged at the lower end of the crossbeam structure;

[0005] Among them, the installation device also includes an adjustment component and a spare component. The adjustment component is arranged at the left and right ends of the beam structure. The spare component includes a plurality of angle blocks. The plurality of angle blocks are arranged in the installation cavity formed by the installation device, and are used to replace at least part of the structure in the adjustment component when the two installation devices are spliced, so as to adjust the relative angle after the two installation devices are connected.

[0006] In an installation device of one embodiment of the utility model, the spare component includes a connecting plate having a receiving groove, the crossbeam structure is provided with a mounting port connected to the mounting cavity, the connecting plate is detachably installed in the mounting port, and a plurality of the angle blocks are accommodated in the receiving groove and are located in the mounting cavity.

[0007] In an installation device of one embodiment of the utility model, the installation port is arranged at the lower end of the beam structure, and the beam structure is provided with a first fixing member on both sides of the installation port, and a second fixing member is provided at both ends of the connecting plate, and the second fixing member is detachably connected to the first fixing member.

[0008] In an installation device of one embodiment of the utility model, the first fixing member includes a first screw hole arranged on the beam structure, and the second fixing member includes a connecting screw connected to the connecting plate, and the connecting screw is threadedly connected to the first screw hole after the connecting plate is installed to the installation port.

[0009] In an installation device of one embodiment of the utility model, the angle block includes at least a first angle block, a second angle block, a third angle block and a fourth angle block, and the angles formed between the upper and lower end faces of the first angle block, the second angle block, the third angle block and the fourth angle block are different.

[0010] In the installation device of one embodiment of the utility model, the angle block is an angle block made of aluminum alloy material, and a fixing structure is provided on the angle block for cooperating with the adjustment assembly for positioning and connection.

[0011] In the installation device of one embodiment of the utility model, the angle block has a first mating surface that cooperates with the adjustment component, and the first mating surface is provided with a positioning groove for clamping with a positioning glass bead installed on the adjustment component.

[0012] In the installation device of one embodiment of the utility model, the adjustment assembly includes a connection block assembly and a connection lock assembly, the connection block assembly is arranged at one of the left and right ends of the beam structure, and the connection lock assembly is arranged at the other of the left and right ends of the beam structure;

[0013] Wherein, the connecting block assembly includes a fixed block and an adjusting block, the fixed block is provided with a slide groove structure, the adjusting block can be detachably installed in the slide groove structure, and a plurality of the angle blocks and the adjusting blocks can be replaced with each other.

[0014] In an installation device of one embodiment of the utility model, a first limit platform and a second limit platform are provided on the fixed block, the first limit platform is arranged on both sides of the slide groove structure, the second limit platform is arranged on the side of the slide groove structure facing the plug-in interface, and the angle block and the angle block are provided with a first connecting groove and a second connecting groove that cooperate with the first limit platform and the second limit platform.

[0015] According to a second aspect of the present application, the present application provides an LED display screen, comprising a display screen body and the above-mentioned mounting device, wherein the display screen body is mounted on the LED display screen mounting portion.

[0016] The technical solution provided by the embodiments of the present application may include the following beneficial effects: the present application designs an installation device and an LED display screen, including a beam structure, a suspension mechanism and a supporting device, wherein LED display screen installation parts are provided at both upper and lower ends of the supporting device, the LED display screen is installed on the LED display screen installation part, the suspension mechanism is detachably installed at the upper end of the beam structure, and the supporting device is arranged at the lower end of the beam structure; wherein the installation device also includes an adjustment component and a spare component, the adjustment component is arranged at the left and right ends of the beam structure, the spare component includes a plurality of angle blocks, and the plurality of angle blocks are arranged in the installation cavity formed by the installation device, and are used to replace at least part of the structure in the adjustment component to adjust the relative angle of the two installation devices after being connected, which can not only realize the stacking and lifting functions of the LED display screen, but also can adjust the relative angle of the two installation devices after being connected through the angle blocks in the spare component, and the operation is very simple.

[0017] It should be understood that the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the present application. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0019] Figure 1 It is a structural schematic diagram of a mounting device provided by an embodiment of the utility model;

[0020] Figure 2 for Figure 1 A schematic diagram of the structure of the installation device provided in another angle;

[0021] Figure 3 for Figure 1 An exploded view of the mounting device provided in;

[0022] Figure 4 for Figure 1 The structural diagram of the beam structure provided in;

[0023] Figure 5 for Figure 1 A schematic diagram of the structure of the spare components provided in;

[0024] Figure 6 for Figure 1 Exploded diagram of the spare components provided in;

[0025] Figure 7 for Figure 1An exploded schematic diagram of the fixing block provided in;

[0026] Figure 8 for Figure 1 A schematic diagram of the structure of the adjustment block provided in;

[0027] Fig. 9 for Figure 1 A schematic diagram of the structure of the adjustment block provided in another angle;

[0028] Fig.10 for Figure 1 A schematic diagram of the structure of the connecting lock assembly provided in;

[0029] Fig.11 for Figure 1 A cross-sectional schematic diagram of a connecting lock provided in;

[0030] Fig.12 for Figure 1 A schematic diagram of the structure of the support device provided in FIG. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0032] It should also be understood that the terms used in this utility model specification are only for describing specific realities. In the description of this application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicate the orientation or position relationship based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing this application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on this application. In addition, the terms "first" and "second" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of this application, the meaning of "multiple" is two or more, unless otherwise clearly and specifically defined.

[0033] In conjunction with the accompanying drawings, some embodiments of the present application are described in detail below. In the absence of conflict, the following embodiments and features in the embodiments can be combined with each other.

[0034] like Figures 1 to 12 As shown, according to the first aspect of the present application, the present application provides a mounting device for fixing an LED display screen, the mounting device comprising a beam structure 100, a suspension mechanism 200 and a supporting device 300, LED display screen mounting parts are provided at the upper and lower ends of the beam structure 100, the LED display screen is mounted on the LED display screen mounting parts, the suspension mechanism 200 is detachably mounted at the upper end of the beam structure, and the supporting device 300 is arranged at the lower end of the beam structure.

[0035] It should be explained that the installation device is equipped with a suspension mechanism 200 and a supporting device 300, but either the suspension mechanism 200 or the supporting device 300 can be selected according to the usage requirements, that is, if it is necessary to stack the LED display screen, the supporting device 300 is selected; if it is necessary to hoist the LED display screen, the suspension mechanism 200 is selected, and this application does not impose any restrictions.

[0036] In an optional embodiment, the suspension mechanism 200 includes a hook and a hook mounting seat, the beam structure 100 has an upper end surface 100a, and the hook is detachably mounted on the upper end surface 100a of the beam structure 100 through the hook mounting seat, and is used to hang the beam structure 100 on the truss. The hook mounting seat can effectively increase the contact area between the hook and the beam structure 100, and improve the force-bearing area of ​​the beam structure 100 at the hook position; wherein, the supporting device 300 includes a supporting foot 301 and a reinforcing block 302, the beam structure 100 has a lower end surface 100b, and the reinforcing block 302 is provided with a screw hole arranged on the lower end surface 100b of the beam structure 100, and the reinforcing block 302 is provided with an adjusting foot screw hole, so that the supporting foot 301 can be installed on the adjusting foot screw hole, which can effectively increase the contact area between the supporting foot 301 and the beam structure 100, and improve the force-bearing area of ​​the beam structure 100 at the supporting foot 301 position.

[0037] By adopting the above technical solution, since the overall thickness of the beam structure 100 is relatively thin, the present application can effectively improve the strength of the beam structure 100 after being connected with the supporting foot 301 by setting a reinforcing block 302 at its lower end. It not only has a simple structure and is easy to assemble, but also has a low manufacturing cost.

[0038] In an optional embodiment, the installation device also includes an adjustment component 400 and a spare component 500. The adjustment component 400 is arranged at the left and right ends of the beam structure 100. The spare component 500 includes a plurality of angle blocks 502. The plurality of angle blocks 502 are arranged in the installation cavity 101 formed by the installation device, and are used to splice and replace at least part of the structure of the adjustment component 400 between two installation devices, so as to adjust the relative angle of the two installation devices after being connected.

[0039] In an optional embodiment, the adjustment assembly 400 includes a connection block assembly 401 and a connection lock assembly 402, wherein the connection block assembly 401 is arranged at one of the left and right ends of the beam structure 100, and the connection lock assembly 402 is arranged at the other end of the left and right ends of the beam structure 100, so that the two beam structures 100 can be spliced ​​together through the connection block assembly 401 arranged on one of them and the connection lock assembly 402 arranged on the other. Among them, the angle block 502 can replace a part of the structure of the connection block assembly 401, and is used to adjust the relative angle after the connection block assembly 401 and the connection lock assembly 402 are connected, so as to adjust the relative angle after the two installation devices are connected.

[0040] Exemplarily, the installation device includes a first installation device and a second installation device. When the first installation device and the second installation device are connected together, the connection block assembly 401 on the first installation device is connected to the connection lock assembly 402 of the second installation device. The angle block 502 can be set between the connection block assembly 401 and the connection lock assembly 402 to adjust the angle after the first installation device and the second installation device are spliced ​​to meet the needs of customers for display screens of various angles, such as curved display screens. Therefore, the installation device of the present application can be used as a conventional hanging beam, or it can be spliced ​​into a corresponding arc; or it can be used as a stacking of curved display screens; or it can be used as a hanging splicing screen body, etc., and the present application does not limit it.

[0041] In an optional embodiment, the beam structure 100 has a left end face 100c and a right end face 100d, the connecting block assembly 401 is detachably mounted on the left end face 100c of the beam structure 100, and the connecting lock assembly 402 is detachably mounted on the right end face 100d of the beam structure 100.

[0042] In an optional embodiment, the spare assembly 500 includes a connecting plate 501 having a receiving groove 5011, a mounting opening 102 communicating with the mounting cavity 101 is provided on the crossbeam structure 100, the connecting plate 501 is detachably mounted in the mounting opening 102, and a plurality of angle blocks 502 are accommodated in the receiving groove 5011 and located in the mounting cavity 101. The receiving groove 5011 is a concave structure or a U-shaped structure, which is not limited in the present application.

[0043] In an optional embodiment, the mounting port 102 is disposed at the lower end of the beam structure 100, and the beam structure 100 is provided with a first fixing member 103 on both sides of the mounting port 102, and a second fixing member 503 is provided at both ends of the connecting plate 501, and the second fixing member 503 is detachably connected to the first fixing member 103 so that the multiple angle blocks 50 of the accommodating groove 5011 can be taken out to replace at least part of the structure in the adjustment assembly 400, so as to adjust the relative angle of the two mounting devices after connection.

[0044] In an optional embodiment, the first fixing member 103 includes a first screw hole set on the beam structure 100, and the second fixing member 503 includes a connecting screw connected to the connecting plate 500, which is threadedly connected to the first screw hole after the connecting plate 500 is installed to the installation port 102.

[0045] In an optional embodiment, the angle block 502 includes at least a first angle block 5021, a second angle block 5022, a third angle block 5023 and a fourth angle block 5024, and the angles formed between the upper and lower end faces of the first angle block 5021, the second angle block 5022, the third angle block 5023 and the fourth angle block 5024 are different, so that the angle of the two mounting devices after splicing can be adjusted to at least four different angles to meet the various angles of the display screen required by customers.

[0046] In an optional embodiment, the angle block 502 also includes a fifth angle block 5025, wherein the first angle block 5021 and the second angle block 5022 are superimposed on each other and arranged on one side of the accommodating groove 5011, the third angle block 5023 and the fourth angle block 5024 are superimposed on each other and arranged in the middle of the accommodating groove 5011, and the fifth angle block 5025 is arranged on the other side of the accommodating groove 5011.

[0047] In an optional embodiment, the first angle block 5021 is used to adjust the angle to -1 degree, the second angle block 5022 is used to adjust the angle to -2.5 degrees, the third angle block 5023 is used to adjust the angle to 5 degrees, the fourth angle block 5024 is used to adjust the angle to -5 degrees, and the fourth angle block 5024 is used to adjust the angle to -2 degrees.

[0048] In an optional embodiment, the first angle block 5021, the second angle block 5022, the third angle block 5023, the fourth angle block 5024 and the fifth angle block 5025 are all fixedly connected to the connecting plate 500 by fasteners such as screws.

[0049] In an optional embodiment, the angle block 502 is made of an aluminum alloy material, and a fixing structure is provided on the angle block 502 for positioning and connecting with the adjustment assembly 400 .

[0050] In an optional embodiment, the angle block 502 has a first mating surface that cooperates with the adjustment component 400. The first mating surface is provided with a positioning groove for engaging with the positioning glass bead installed on the adjustment component. It not only plays a limiting role, but also makes a slight sound when the positioning glass bead 4011c slides into the positioning groove through the plane, thereby providing a reminder function for installation in place.

[0051] In this embodiment, the connection block assembly 401 includes a fixed block 4011 and an adjustment block 4012. The fixed block 4011 is provided with a slide groove structure 40111. The adjustment block 4012 can be detachably installed in the slide groove structure 40111, and the plurality of angle blocks 502 and the adjustment block 4012 can be replaced with each other. Among them, the structure of the adjustment block 4012 is substantially the same as that of the angle block 502, except that the angle formed between the upper and lower end faces of the angle block 502 is different from the angle formed by the angle block 502, which can be equivalent to the sixth angle block, that is, the installation device includes at least six angle blocks 502 that can be used to adjust six different splicing angles.

[0052] In an optional embodiment, the adjusting block 4012 is also provided with the above-mentioned positioning groove 40124, and the fixing block 4011 is provided with a glass bead installation groove 40114. The positioning glass bead 4011c is fixed in the glass bead installation groove 40114 for engaging with the positioning groove 40124, thereby serving as a reminder of the adjusting block 4012 being in place after being installed in the slide groove structure 40111.

[0053] In an optional embodiment, the adjustment block 4012 is provided with a first connection groove 40121 and a second connection groove 40122 constituting a fixed structure, and the fixed block 4011 is provided with a first limit platform 40112 and a second limit platform 40113. The first limit platform 40112 is arranged on both sides of the slide groove structure 40111, and the second limit platform 40113 is arranged on the side of the slide groove structure 40111 facing the plug interface. The position of the first connection groove 40121 corresponds to the position of the first limit platform 40112, and the position of the second connection groove 40122 corresponds to the position of the second limit platform 40113, so that the first connection groove 40121 can cooperate with the first limit platform 40112, and the second connection groove 40122 can cooperate with the second limit platform 40113.

[0054] In an optional embodiment, the fixed block 4011 includes a fixed block body 4011a and a connecting handle 4011b, wherein the connecting handle 4011b is passed through the fixed block body 4011a and is used to connect with the adjusting block connecting hole 40124 of the adjusting block 4012 to fix the adjusting block 4012 in the fixed block 4011.

[0055] In an alternative embodiment, an adjustment block connection hole 40125 is provided on the first end face 4012a of the adjustment block 4012, and an adjustment block positioning hole 40126 is provided on the second end face 4012b of the adjustment block 4012. The adjustment block connection hole 40125 is used to connect with the connection lock 402a of the connection lock assembly 402, so that the connection lock catch 4024 of the connection lock 402a can pass through the adjustment block connection hole 40125 and be snap-connected, and the adjustment block positioning hole 40126 is connected with the connection post 4021 of the connection lock assembly 402.

[0056] In an alternative embodiment, the connection lock assembly 402 includes a connection lock 402a and a connection seat 402b. The connection lock 402a is installed on the right end face 100d through the connection seat 402b. Among them, the connection lock 402a includes a connection handle 4023, a connection lock seat 4022, and a connection lock catch 4024 that is cooperatively connected with the adjustment block connection hole 40125. A threaded hole is provided on the connection lock seat 4022, a connection lock rod that cooperates with the threaded hole is provided on the connection lock catch 4024, and the connection handle 4023 is used to drive the connection lock rod to move axially along the threaded hole in the threaded hole.

[0057] In an alternative embodiment, the cross-section of the crossbeam structure 100 is in a "C" shape, so that it can be processed and manufactured using hollow aluminum profiles. This is not only lighter, but also only requires simple machining. The machining process is very simple, saving a large amount of machining costs, and at the same time ensuring the stability of the machining quality.

[0058] In an alternative embodiment, the installation device further includes a male head 600. The male head 600 is installed at the upper end or the lower end of the crossbeam structure 100 and is used to connect with the female seat on the LED display screen.

[0059] In an alternative embodiment, the crossbeam structure 100 further includes a magnetic attraction member. A magnetic attraction member installation groove is provided on the crossbeam structure 100, and the magnetic attraction member is installed on the magnetic attraction member installation groove. In this embodiment, the number of both the magnetic attraction member and the magnetic attraction member installation groove is two. The two magnetic attraction member installation grooves are symmetrically arranged on both sides of the central axis of the crossbeam structure 100 in the length direction, and each magnetic attraction member is correspondingly arranged in each magnetic attraction member installation groove.

[0060] According to the second aspect of the present application, the present utility model further provides an LED display screen, including a display screen body and the above-mentioned installation device, wherein the display screen body is installed on the LED display screen installation part.

[0061] In the description of this application, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection. It can be a mechanical connection or an electrical connection. It can be directly connected or indirectly connected through an intermediate medium. It can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to the specific circumstances.

[0062] In the present application, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0063] The disclosure above provides many different embodiments or examples to realize the different structures of the present application. In order to simplify the disclosure of the present application, the parts and settings of specific examples are described above. Of course, they are only examples, and the purpose is not to limit the present application. In addition, the present application can repeat reference numbers and / or reference letters in different examples, and this repetition is for the purpose of simplification and clarity, which itself does not indicate the relationship between the various embodiments and / or settings discussed. In addition, the various specific processes and material examples provided by the present application, but those of ordinary skill in the art can be aware of the application of other processes and / or the use of other materials.

[0064] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "illustrative embodiments", "examples", "specific examples", or "some examples" means that the specific features, structures, materials, or characteristics described in conjunction with the embodiments or examples are included in at least one embodiment or example of the present application. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described may be combined in any one or more embodiments or examples in a suitable manner.

Claims

1. A mounting device for fixing an LED display screen, characterized in that: The installation device includes a crossbeam structure, a suspension mechanism and a support device. The upper and lower ends of the crossbeam structure are provided with LED display screen installation parts. The LED display screen is installed on the LED display screen installation parts. The suspension mechanism is detachably installed on the upper end of the crossbeam structure. The support device is arranged at the lower end of the crossbeam structure. Among them, the installation device also includes an adjustment component and a spare component. The adjustment component is arranged at the left and right ends of the beam structure. The spare component includes a plurality of angle blocks. The plurality of angle blocks are arranged in the installation cavity formed by the installation device, and are used to replace at least part of the structure in the adjustment component when the two installation devices are spliced, so as to adjust the relative angle after the two installation devices are connected.

2. The mounting device according to claim 1, characterized in that: The spare component includes a connecting plate with a receiving groove, and the crossbeam structure is provided with an installation opening connected to the installation cavity. The connecting plate can be detachably installed in the installation opening, and a plurality of the angle blocks are received in the receiving groove and located in the installation cavity.

3. The mounting device according to claim 2, characterized in that: The installation opening is arranged at the lower end of the beam structure, and the beam structure is provided with first fixing members on both sides of the installation opening, and second fixing members are arranged at both ends of the connecting plate, and the second fixing members are detachably connected to the first fixing member.

4. The mounting device according to claim 3, characterized in that: The first fixing member includes a first screw hole provided on the beam structure, and the second fixing member includes a connecting screw connected to the connecting plate, wherein the connecting screw is threadedly connected to the first screw hole after the connecting plate is installed to the installation opening.

5. The mounting device according to any one of claims 1 to 4, characterized in that: The angle blocks include at least a first angle block, a second angle block, a third angle block, a fourth angle block and a fifth angle block, and the angles formed between the upper and lower end faces of the first angle block, the second angle block, the third angle block, the fourth angle block and the fifth angle block are different.

6. The mounting device according to any one of claims 1 to 4, characterized in that: The angle block is provided with a fixing structure for cooperating with the adjustment assembly for positioning and connection.

7. The mounting device according to any one of claims 1 to 4, characterized in that: The angle block has a first mating surface that is mating with the adjustment assembly. A positioning groove is provided on the first mating surface for clamping with a positioning glass bead installed on the adjustment assembly.

8. The mounting device according to claim 1, characterized in that: The adjustment assembly includes a connection block assembly and a connection lock assembly, wherein the connection block assembly is arranged at one of the left and right ends of the cross beam structure, and the connection lock assembly is arranged at the other of the left and right ends of the cross beam structure; Wherein, the connecting block assembly includes a fixed block and an adjusting block, the fixed block is provided with a slide groove structure, the adjusting block can be detachably installed in the slide groove structure, and a plurality of the angle blocks and the adjusting blocks can be replaced with each other.

9. The mounting device according to claim 8, characterized in that: The fixed block is provided with a first limit platform and a second limit platform, the first limit platform is arranged on both sides of the slide groove structure, and the second limit platform is arranged on the side of the slide groove structure facing the plug-in interface, and the angle block and the angle block are provided with a first connecting groove and a second connecting groove that cooperate with the first limit platform and the second limit platform.

10. An LED display screen, characterized in that: It comprises a display screen body and a mounting device as claimed in any one of claims 1 to 9, wherein the display screen body is mounted on the LED display screen mounting portion.

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