CN216344839U - Support of LED display device and LED display device - Google Patents

Abstract

The utility model provides a bracket of an LED display device and the LED display device, wherein the bracket of the LED display device comprises: a frame; the base, the setting is in the bottom of frame, the base includes first U-shaped pole and the second U-shaped pole that sets up with the butt joint of first U-shaped pole, the base still includes a plurality of first truckles and a plurality of second truckles, a plurality of first truckles intervals set up the below at first U-shaped pole, a plurality of second truckles intervals set up the below at second U-shaped pole, the base still includes the first support of telescopically setting in the below of first U-shaped pole, first support is located between two adjacent first truckles, the base still includes the second support of telescopically setting in the below of second U-shaped pole, the second support is located between two adjacent second truckles. The technical scheme of this application has solved the easy problem of warping of base structure among the correlation technique effectively.

Description

Support of LED display device and LED display device

Technical Field

The utility model relates to an LED display device, in particular to a bracket of the LED display device and the LED display device.

Background

With the development of LEDs and large display screens, since large-sized (108 inches, 135 inches or 162 inches) televisions require larger base structures for supporting and bearing weight, the base structures of such large-sized display screens (LEDs or liquid crystals) are usually designed in an integrated manner, and the materials are usually rectangular, square or circular tubes. Because the base structure size is big, base structure surface treatment colour is single. When the base structure supports a large-size television, the large-size television is heavier, so that the base structure is easy to deform.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide a bracket of an LED display device and the LED display device, so as to solve the problem that a base structure in the related art is easy to deform.

In order to achieve the above object, according to one aspect of the present invention, there is provided a stand for an LED display device, comprising: a frame; the base, the setting is in the bottom of frame, the base includes first U-shaped pole and the second U-shaped pole that sets up with the butt joint of first U-shaped pole, the base still includes a plurality of first truckles and a plurality of second truckles, a plurality of first truckles intervals set up the below at first U-shaped pole, a plurality of second truckles intervals set up the below at second U-shaped pole, the base still includes the first support of telescopically setting in the below of first U-shaped pole, first support is located between two adjacent first truckles, the base still includes the second support of telescopically setting in the below of second U-shaped pole, the second support is located between two adjacent second truckles.

Further, first U-shaped pole and second U-shaped pole detachably connect, and first support and second support all include the support body and set up the screw rod on the support body, all are provided with the screw that corresponds and the cooperation sets up with the screw rod on first U-shaped pole and the second U-shaped pole.

Further, first truckle and second truckle are two, and two first truckles correspond the corner of first U-shaped pole respectively, and two second truckles correspond the corner of second U-shaped pole respectively.

Further, first U-shaped pole and second U-shaped pole all include first pole section, second pole section and the third pole section that connects gradually, and first pole section sets up for second pole section bending type, and the third pole section sets up for second pole section bending type, and two first truckles are located the both ends of the second pole section of first U-shaped pole respectively, and two second truckles are located the both ends of the second pole section of second U-shaped pole respectively.

Further, the base is detachably arranged at the bottom of the frame, the support of the LED display device further comprises a first joint and a second joint which are detachably arranged at the bottom of the frame at intervals, the first end of the first U-shaped rod is detachably connected with the first end of the second U-shaped rod through the first joint, and the second end of the first U-shaped rod is detachably connected with the second end of the second U-shaped rod through the second joint.

Further, first joint and second connect all including connecting the body and setting up first linkage segment and the second linkage segment at the both ends that connect the body, and the length of first linkage segment is greater than the length of second linkage segment, and the top that connects the body is provided with the socket.

Further, the frame includes first stand and the second stand that the interval set up, and first stand detachably connects on first joint, and second stand detachably connects on the second joint, and the frame still includes first crossbeam and the second crossbeam that the interval set up, and first crossbeam is connected on first stand and second stand, and the second crossbeam is connected on first stand and second stand and is located the below of first crossbeam.

Further, first crossbeam and second crossbeam all include the left end roof beam body, middle roof beam body and right-hand member roof beam body, first stand and second stand all connect through middle roof beam body, left end roof beam body coupling is in the left side of first stand, right-hand member roof beam body coupling is on the right side of second stand, the right-hand member of the left end roof beam body is provided with first connection piece, the left end of the middle roof beam body is provided with the second connection piece, the right-hand member of the middle roof beam body is provided with the third connection piece, the left end of the right-hand member roof beam body is provided with the fourth connection piece, wherein, be provided with first location structure between first stand and the first connection piece, be provided with second location structure between first stand and the second connection piece, be provided with the third location structure between second stand and the third connection piece, be provided with the fourth location structure between second stand and the fourth connection piece.

Furthermore, the first positioning structure, the second positioning structure, the third positioning structure and the fourth positioning structure all comprise positioning columns and positioning holes matched with the positioning columns.

According to another aspect of the utility model, an LED display device is provided, which includes a bracket and a display screen disposed on the bracket, where the bracket is the bracket of the LED display device.

By applying the technical scheme of the utility model, the bracket of the LED display device comprises: a frame and a base. The base is arranged at the bottom of the frame. The base comprises a first U-shaped rod and a second U-shaped rod which is in butt joint with the first U-shaped rod. The base still includes a plurality of first truckles and a plurality of second truckles, and a plurality of first truckles intervals set up in the below of first U-shaped pole, and a plurality of second truckles intervals set up in the below of second U-shaped pole. The base further comprises a first support telescopically disposed below the first U-shaped bar, the first support being located between two adjacent first casters. The height that first support that telescopically set up can adjust first support is unanimous with the height of first truckle, avoids taking place to interfere with first truckle. The base further comprises a second support which is telescopically arranged below the second U-shaped rod, and the second support is positioned between two adjacent second caster wheels. The height that the second support that telescopically set up can adjust the second support is unanimous with the height of second truckle, avoids taking place to interfere with the second truckle. A large size (108 inches, 135 inches or 162 inches) display screen can be mounted on the frame because the first support supports the first U-shaped bar and is capable of supporting the frame in conjunction with the plurality of first casters. Simultaneously, the second support supports the second U-shaped pole to can support the frame with a plurality of second truckles jointly, like this, make the base can disperse the effort that bears the frame and produce the base, reduced the deflection of base. Therefore, the technical scheme of the application effectively solves the problem that the base structure in the related art is easy to deform. And, the setting of first U-shaped pole and second U-shaped pole is convenient for the effort that the frame produced the base and is dispersed to on a plurality of first truckles, first support, a plurality of second truckles and the second support for the base can bear the effort of frame application of force uniformly.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the utility model and, together with the description, serve to explain the utility model and not to limit the utility model. In the drawings:

fig. 1 shows a schematic perspective view of an embodiment of a holder of an LED display device according to the present invention;

FIG. 2 shows a schematic front view of a support of the LED display device of FIG. 1;

FIG. 3 shows a schematic left side view of a support of the LED display device of FIG. 1;

FIG. 4 shows a schematic top view of a base of the LED display device of FIG. 1;

FIG. 5 shows a schematic top view of a first U-shaped bar of the LED display device of FIG. 1;

FIG. 6 is a partial schematic structural view of the left end beam body of the LED display device of FIG. 1 connected to a first vertical column;

fig. 7 shows a schematic perspective view of a first pillar of the LED display device of fig. 1;

FIG. 8 is a partial schematic structural view of the LED display device of FIG. 1 with the center sill connected to the first vertical post;

FIG. 9 shows a schematic front view of a center sill of the LED display of FIG. 1;

FIG. 10 shows a partial schematic structural view of a center sill of the LED display of FIG. 1;

FIG. 11 is a partial schematic structural view of the LED display device of FIG. 1 with the right beam connected to the second vertical column;

fig. 12 is a schematic perspective view illustrating a first pillar of the LED display device of fig. 1 connected to a first joint;

FIG. 13 is a schematic perspective view of the first upright of FIG. 12 connected at another angle to the first joint;

fig. 14 shows a schematic perspective view of a first joint of the LED display device of fig. 1; and

fig. 15 is a schematic perspective view illustrating a second connector of the LED display device of fig. 1.

Wherein the figures include the following reference numerals:

10. a frame; 11. a first upright post; 12. a second upright post; 13. a first cross member; 131. a left end beam body; 132. a center beam body; 133. a right end beam body; 134. a first connecting piece; 135. a second connecting sheet; 136. a third connecting sheet; 137. a fourth connecting sheet; 14. a second cross member; 20. a base; 21. a first U-shaped bar; 211. a first pole segment; 212. a second pole segment; 213. a third pole segment; 22. a second U-shaped bar; 23. a first caster; 24. a second caster; 25. a first support; 251. a support body; 252. A screw; 26. a second support; 31. a first joint; 311. a connector body; 312. a first connection section; 313. a second connection section; 314. a socket; 32. a second joint; 41. a first positioning structure; 411. a positioning column; 42. a second positioning structure; 43. a third positioning structure; 44. and a fourth positioning structure.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the utility model, its application, or uses. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

The relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

As shown in fig. 1 to 5, the LED display device of the present embodiment includes: a frame 10 and a base 20. The base 20 is disposed at the bottom of the frame 10. The base 20 includes a first U-shaped bar 21 and a second U-shaped bar 22 disposed in abutment with the first U-shaped bar 21. To facilitate the load bearing and movement of the base 20, the base 20 further includes a plurality of first casters 23 and a plurality of second casters 24. A plurality of first caster wheels 23 are provided at intervals below the first U-shaped bar 21. A plurality of second casters 24 are spaced below the second U-shaped bar 22. The base 20 further comprises a first support 25 telescopically arranged below the first U-shaped bar 21. The first pedestal 25 is located between adjacent two of the first casters 23. The base 20 further includes a second support 26 telescopically disposed below the second U-shaped bar 22. The second pedestal 26 is located between two adjacent second casters 24.

With the solution of the present embodiment, the base 20 further includes a first support 25 telescopically disposed below the first U-shaped bar 21, and the first support 25 is located between two adjacent first casters 23. The telescopically arranged first support 25 can adjust the height of the first support 25 to be consistent with the height of the first caster 23, and interference with the first caster 23 is avoided. The base 20 further includes a second support 26 telescopically disposed under the second U-shaped bar 22, the second support 26 being located between two adjacent second casters 24. The second support 26, which is telescopically arranged, can adjust the height of the second support 26 to be consistent with the height of the second caster 24, avoiding interference with the second caster 24. A large size (108 inches, 135 inches or 162 inches) display screen may be mounted on frame 10 because first support 25 supports first U-shaped bar 21 and is capable of supporting frame 10 in conjunction with a plurality of first casters 23. Meanwhile, the second support 26 supports the second U-shaped bar 22 and can support the frame 10 together with the plurality of second casters 24, so that the base 20 can dispersedly bear the acting force of the frame 10 on the base, the deformation of the base 20 is reduced, and the base is prevented from collapsing and deforming. Therefore, the technical scheme of the embodiment effectively solves the problem that the base structure in the related art is easy to deform. Moreover, the first U-shaped bar 21 and the second U-shaped bar 22 are disposed to facilitate the force generated by the frame 10 on the base to be dispersed to the plurality of first casters 23, the first support 25, the plurality of second casters 24, and the second support 26, so that the base 20 can uniformly bear the force applied by the frame 10. So that the first U-shaped bar 21 and the second U-shaped bar 22 maintain a high flatness.

It should be noted that the first U-shaped bar 21 and the second U-shaped bar 22 both include a first bar section 211, a second bar section 212, and a third bar section 213 that are connected in sequence, the first bar section 211 is bent relative to the second bar section 212, the third bar section 213 is bent relative to the second bar section 212, the two first casters 23 are located at two ends of the second bar section 212 of the first U-shaped bar 21, and the two second casters 24 are located at two ends of the second bar section 212 of the second U-shaped bar 22. The bending point of the first rod segment 211 and the second rod segment 212 may form an included angle or an arc transition, and the bending point of the third rod segment 213 and the second rod segment 212 may form an included angle or an arc transition.

Specifically, the first U-shaped bar 21 and the second U-shaped bar 22 can be processed by replacing 3mm plates and by different surface processing methods, so that more surface colors can be selected for the first U-shaped bar 21 and the second U-shaped bar 22, different visual effects can be achieved, and the appearance can be more attractive.

As shown in fig. 1, 4 and 5, the first U-shaped bar 21 and the second U-shaped bar 22 are detachably connected. Thus, the base 20 adopts a sectional and detachable design, so that the base 20 can be conveniently assembled in an elevator and a home, and is convenient to transport. The first support 25 and the second support 26 each include a support body 251 and a screw 252 disposed on the support body 251, and the first U-shaped rod 21 and the second U-shaped rod 22 are each provided with a screw hole corresponding to and disposed in cooperation with the screw 252. Like this, screw 252 is internal rotation in the screw, make first support 25 can stretch out and draw back for first U-shaped pole 21, be convenient for adjust the flexible height of first support 25, so that leave the clearance between first support 25 and the ground when base 20 removes, first support 25 contacts with ground when base 20 bearing is supported, likewise, make second support 26 can stretch out and draw back for second U-shaped pole 22, be convenient for adjust the flexible height of second support 26, so that leave the clearance between second support 26 and the ground when base 20 removes, second support 26 contacts with ground when base 20 bearing is supported.

As shown in fig. 1 to 3, the plurality of first casters 23 and the plurality of second casters 24 provide a stronger load-bearing force, and prevent the base 20 from being deformed by a large amount due to a heavy frame 10. The first caster 23 and the second caster 24 are two, the two first casters 23 respectively correspond to corners of the first U-shaped bar 21, and the two second casters 24 respectively correspond to corners of the second U-shaped bar 22.

As shown in fig. 1, 4 and 5, in order to make each of the first and second U-shaped bars 21 and 22 have a high flatness, each of the first and second U-shaped bars 21 and 22 includes a first bar segment 211, a second bar segment 212 and a third bar segment 213 which are connected in sequence. The first rod section 211 is bent relative to the second rod section 212, the third rod section 213 is bent relative to the second rod section 212, the two first casters 23 are respectively located at two ends of the second rod section 212 of the first U-shaped rod 21, and the two second casters 24 are respectively located at two ends of the second rod section 212 of the second U-shaped rod 22.

As shown in fig. 1 to 3 and 12, the base 20 is detachably provided at the bottom of the frame 10. Thus, the base 20 and the frame 10 adopt a segmented and detachable design, so that the base 20 and the frame 10 can be conveniently assembled in an elevator and a home, and the transportation is also convenient. The bracket of the LED display device further comprises a first joint 31 and a second joint 32 which are detachably arranged at the bottom of the frame 10 at intervals, and the first end of the first U-shaped rod 21 is detachably connected with the first end of the second U-shaped rod 22 through the first joint 31. In this way, the first and second U-shaped bars 21 and 22 are easily detached and attached by the first joint 31. The second end of the first U-shaped bar 21 is detachably connected to the second end of the second U-shaped bar 22 by a second joint 32. In this way, the first and second U-shaped bars 21 and 22 are easily detached and attached by the second joint 32.

As shown in fig. 1, 12 to 15, in order to facilitate reliable connection, each of the first and second joints 31 and 32 includes a joint body 311 and first and second connection sections 312 and 313 provided at both ends of the joint body 311. The length of the first connection section 312 is greater than that of the second connection section 313, and the top of the joint body 311 is provided with a socket 314. In order to improve the load-bearing capacity of the base 20, the first joint 31 and the second joint 32 are preferably cast steel die castings. The first connection section 312 of the first joint 31 is inserted into the first end of the first U-shaped bar 21, and the second connection section 313 of the first joint 31 is inserted into the first end of the second U-shaped bar 22. The first connection section 312 of the second joint 32 is inserted into the second end of the first U-shaped bar 21, and the second connection section 313 of the second joint 32 is inserted into the second end of the second U-shaped bar 22.

As shown in fig. 1, 12 to 15, the frame 10 includes a first upright 11 and a second upright 12 which are spaced apart from each other, and the first upright 11 is detachably connected to the first joint 31. In this way, the first U-shaped bar 21 and the second U-shaped bar 22 are easily detached and attached to the first upright 11 by means of the first joint 31. The second upright 12 is removably attached to the second joint 32. In this way, the first U-shaped bar 21 and the second U-shaped bar 22 are easily detached and attached to the second upright 12 by means of the second joint 32. Specifically, the lower end of the first upright 11 is inserted into the socket 314 of the first joint 31, and the lower end of the second upright 12 is inserted into the socket 314 of the second joint 32. The frame 10 further includes a first beam 13 and a second beam 14 disposed at an interval, the first beam 13 is connected to the first upright post 11 and the second upright post 12, and the second beam 14 is connected to the first upright post 11 and the second upright post 12 and is located below the first beam 13. Thus, the first joint 31 can connect the first end of the first U-shaped bar 21, the first end of the second U-shaped bar 22, and the lower end of the first upright 11 together by a plurality of first screws, and the second joint 32 can connect the second end of the first U-shaped bar 21, the second end of the second U-shaped bar 22, and the lower end of the second upright 12 together by a plurality of second screws. So that the first joint 31 and the second joint 32 not only function as a connection but also function as a support frame 10.

As shown in fig. 1 to 3 and 6 to 11, each of the first and second cross members 13 and 14 includes a left end beam body 131, a middle beam body 132, and a right end beam body 133. First stand 11 and second stand 12 all connect through centre roof beam body 132, and left end roof beam body 131 connects in the left side of first stand 11, and right end roof beam body 133 connects on the right side of second stand 12. The right end of the left end beam body 131 is provided with a first connecting piece 134, the left end of the middle beam body 132 is provided with a second connecting piece 135, the right end of the middle beam body 132 is provided with a third connecting piece 136, and the left end of the right end beam body 133 is provided with a fourth connecting piece 137. A first positioning structure 41 is arranged between the first upright column 11 and the first connecting sheet 134, a second positioning structure 42 is arranged between the first upright column 11 and the second connecting sheet 135, a third positioning structure 43 is arranged between the second upright column 12 and the third connecting sheet 136, and a fourth positioning structure 44 is arranged between the second upright column 12 and the fourth connecting sheet 137. The right end of the left end beam body 131 is conveniently and quickly connected to the first upright 11 by the first positioning structure 41. The quick attachment of the left end of the center sill 132 to the first upright 11 is facilitated by the second locating structure 42. The third locating structure 43 facilitates quick connection of the right end of the intermediate beam 132 to the second upright 12. The fourth locating structure 44 facilitates quick connection of the left end of the right end beam 133 to the second upright 12. Meanwhile, the first connecting piece 134 is fixed to the first column 11 by a third screw, the second connecting piece 135 is fixed to the first column 11 by a fourth screw, the third connecting piece 136 is fixed to the second column 12 by a fifth screw, and the fourth connecting piece 137 is fixed to the second column 12 by a fourth screw.

As shown in fig. 6 to 11, the first positioning structure 41, the second positioning structure 42, the third positioning structure 43 and the fourth positioning structure 44 each include a positioning column 411 and a positioning hole matched with the positioning column 411. The positioning column 411 and the positioning hole are simple in matching structure and convenient to machine and form.

The application also provides an LED display device, the LED display device of this embodiment includes the support and sets up the display screen on the support, and the support is foretell LED display device's support. Since the bracket of the LED display device can solve the problem that the base structure in the related art is easy to deform, the LED display device comprising the bracket can solve the same technical problem.

In the description of the present invention, it is to be understood that the orientation or positional relationship indicated by the orientation words such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and in the case of not making a reverse description, these orientation words do not indicate and imply that the device or element being referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be considered as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and the terms have no special meanings unless otherwise stated, and therefore, the scope of the present invention should not be construed as being limited.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A support of an LED display device, comprising:

a frame (10);

a base (20) arranged at the bottom of the frame (10), wherein the base (20) comprises a first U-shaped rod (21) and a second U-shaped rod (22) butted with the first U-shaped rod (21), the base (20) further comprises a plurality of first caster wheels (23) and a plurality of second caster wheels (24), the first caster wheels (23) are arranged below the first U-shaped rod (21) at intervals, the second caster wheels (24) are arranged below the second U-shaped rod (22) at intervals,

the base (20) further comprises a first support (25) telescopically arranged below the first U-shaped rod (21), the first support (25) is positioned between two adjacent first caster wheels (23), the base (20) further comprises a second support (26) telescopically arranged below the second U-shaped rod (22), and the second support (26) is positioned between two adjacent second caster wheels (24).

2. The LED display device bracket according to claim 1, wherein the first U-shaped rod (21) and the second U-shaped rod (22) are detachably connected, the first support (25) and the second support (26) each comprise a support body (251) and a screw rod (252) arranged on the support body (251), and the first U-shaped rod (21) and the second U-shaped rod (22) are each provided with a screw hole corresponding to and matched with the screw rod (252).

3. The stand of an LED display device according to claim 1, characterized in that said first caster (23) and said second caster (24) are both two, two of said first casters (23) corresponding respectively to the corners of said first U-shaped bar (21), two of said second casters (24) corresponding respectively to the corners of said second U-shaped bar (22).

4. The LED display device bracket according to claim 2, wherein the first U-shaped rod (21) and the second U-shaped rod (22) each comprise a first rod section (211), a second rod section (212) and a third rod section (213) which are connected in sequence, the first rod section (211) is bent relative to the second rod section (212), the third rod section (213) is bent relative to the second rod section (212), the two first casters (23) are respectively located at two ends of the second rod section (212) of the first U-shaped rod (21), and the two second casters (24) are respectively located at two ends of the second rod section (212) of the second U-shaped rod (22).

5. The LED display device holder according to any one of claims 1 to 4, wherein the base (20) is detachably disposed at the bottom of the frame (10), the LED display device holder further comprises a first joint (31) and a second joint (32) detachably disposed at the bottom of the frame (10) at an interval, a first end of the first U-shaped bar (21) is detachably connected with a first end of the second U-shaped bar (22) through the first joint (31), and a second end of the first U-shaped bar (21) is detachably connected with a second end of the second U-shaped bar (22) through the second joint (32).

6. The LED display device bracket of claim 5, wherein the first joint (31) and the second joint (32) each comprise a joint body (311) and a first connecting section (312) and a second connecting section (313) which are arranged at two ends of the joint body (311), the length of the first connecting section (312) is greater than that of the second connecting section (313), and a socket (314) is arranged at the top of the joint body (311).

7. The LED display device bracket of claim 5, wherein the frame (10) comprises a first upright (11) and a second upright (12) which are arranged at intervals, the first upright (11) is detachably connected to the first joint (31), the second upright (12) is detachably connected to the second joint (32), the frame (10) further comprises a first beam (13) and a second beam (14) which are arranged at intervals, the first beam (13) is connected to the first upright (11) and the second upright (12), and the second beam (14) is connected to the first upright (11) and the second upright (12) and is positioned below the first beam (13).

8. The LED display device holder according to claim 7,

the first cross beam (13) and the second cross beam (14) comprise a left end beam body (131), a middle beam body (132) and a right end beam body (133), the first upright column (11) and the second upright column (12) are connected through the middle beam body (132), the left end beam body (131) is connected to the left side of the first upright column (11), the right end beam body (133) is connected to the right side of the second upright column (12),

the right end of the left end beam body (131) is provided with a first connecting sheet (134), the left end of the middle beam body (132) is provided with a second connecting sheet (135), the right end of the middle beam body (132) is provided with a third connecting sheet (136), the left end of the right end beam body (133) is provided with a fourth connecting sheet (137),

a first positioning structure (41) is arranged between the first upright column (11) and the first connecting sheet (134), a second positioning structure (42) is arranged between the first upright column (11) and the second connecting sheet (135), a third positioning structure (43) is arranged between the second upright column (12) and the third connecting sheet (136), and a fourth positioning structure (44) is arranged between the second upright column (12) and the fourth connecting sheet (137).

9. The LED display device holder according to claim 8, wherein the first positioning structure (41), the second positioning structure (42), the third positioning structure (43), and the fourth positioning structure (44) each comprise a positioning column (411) and a positioning hole engaged with the positioning column (411).

10. An LED display device comprising a support and a display screen disposed on the support, wherein the support is the support of the LED display device of any one of claims 1 to 9.

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