LED display device

Abstract

The utility model provides an LED display device, which includes: a box; a first display assembly is arranged on a first side of the box, the first display assembly is hinged to the box, so that the first display assembly has a first maintenance position and a first display position; the two ends of the driving rod are respectively hinged to the box and the first display assembly; the first end of the support rod is hinged to the box, the support rod has a storage position located in the box and a supporting position partially extending out of the box, when the support rod is located at the supporting position, the second end of the support rod abuts and cooperates with the first display assembly to keep the first display assembly in the first maintenance position. The technical solution provided by the present application can solve the problem that when two display surfaces are set in the LED display device in the related art, the two boxes need to be installed first, and then the display module is installed on the box, which makes the installation method of the LED display device more difficult, and then leads to the problem of difficulty in repairing the LED display device.

Description

Technical Field

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

[0002] LED display devices have been widely used in advertising, exhibitions, performances, etc. due to their good display effects. The LED display device includes a display module and a box. The display module is arranged on the box, and the box is used to support the display module, so that the display effect of the LED display device can be guaranteed.

[0003] In the related art, the display module is installed on the box, and then the box is fixed. When the display effect needs to be improved, two adjacent boxes are relatively arranged and spliced, and then the display module is installed on the box, so that the LED display device can have two display surfaces.

[0004] However, when two display surfaces are provided in the LED display device in the related art, two boxes need to be installed first, and then the display module is installed on the boxes, which makes the installation of the LED display device more difficult, and further makes it difficult to repair the LED display device. Utility Model Content

[0005] The utility model provides an LED display device to solve the problem that when two display surfaces are set in an LED display device in the related art, two boxes need to be installed first, and then a display module is installed on the boxes, which makes the installation of the LED display device more difficult, and further leads to difficulty in repairing the LED display device.

[0006] The utility model provides an LED display device, which includes: a box body; a first display component, which is arranged on a first side of the box body, the upper end of the first display component is hinged to the upper end of the first side of the box body and the lower end of the first display component can be connected to the lower end of the first side of the box body, so that the first display component has a first maintenance position in which the lower end is away from the box body and a first display position in which the lower end is connected to the box body; a driving rod, the two ends of the driving rod are respectively hinged to the box body and the first display component and can drive the first display component to move between the first maintenance position and the first display position; a supporting rod, the first end of the supporting rod is hinged to the box body, the supporting rod has a storage position located in the box body and a supporting position partially extending out of the box body, and when the supporting rod is located at the supporting position, the second end of the supporting rod abuts and cooperates with the first display component to keep the first display component in the first maintenance position.

[0007] Furthermore, the second end of the support rod has an abutment portion, and the back of the first display assembly has a connection seat. When the support rod is located at the supporting position, the abutment portion abuts and cooperates with the connection seat.

[0008] Furthermore, an abutment column is provided on the connecting seat, and an open groove is provided on the abutment portion. When the support rod is located at the supporting position, the abutment column abuts and cooperates with the bottom wall of the open groove.

[0009] Furthermore, a clamping ring is provided in the box body, and a notch is provided on the clamping ring. When the support rod is located at the storage position, the support rod is clamped in the clamping ring.

[0010] Furthermore, the LED display device also includes a second display component, a first control component and a second control component, the second display component is arranged on a second side opposite to the first side of the box, the upper end of the second display component is hinged to the upper end of the second side of the box and the lower end of the second display component can be connected to the lower end of the second side of the box, so that the second display component has a second maintenance position with the lower end away from the box and a second display position with the lower end connected to the box, the first control component is arranged on the back of the first display component and is connected to the first display component signal, and the second control component is arranged on the back of the second display component and is connected to the second display component signal.

[0011] Furthermore, the first display component includes a support frame and a plurality of LED display modules, the upper end of the support frame is hinged to the upper end of the first side of the box, the lower end of the support frame can be connected to the lower end of the first side of the box, the plurality of LED display modules are arranged on the front side of the support frame, and a plurality of mounting columns are arranged on the back side of the support frame. The first control component includes a mounting plate and a power supply and a control board arranged on the first side of the mounting plate, the mounting plate is abutted against the mounting column, and the first control component is connected to the support frame by a first fastener penetrating the mounting plate and the mounting column.

[0012] Furthermore, the lower end of the first display component has a snap-in groove, and the lower end of the first side of the box body has a snap-in boss. When the first display component is in the first display position, the upper surface of the snap-in boss abuts against the top wall of the snap-in groove to support the first display component.

[0013] Furthermore, the lower end of the first display component has a connecting hole, the lower end of the first side of the box body has a nut column, and the LED display device also includes a second fastener, which is passed through the connecting hole and threadedly connected to the nut column to fix the first display component in the display position.

[0014] Furthermore, the lower end of the first side of the box body has a reinforcement cover, and the nut column is arranged in the reinforcement cover.

[0015] Furthermore, the LED display device also includes a support column and a support base arranged on the support column, the support base is provided with a mounting hole, the lower end of the box is provided with a threaded hole, the LED display device also includes a third fastener, the third fastener is passed through the mounting hole and is threadedly connected to the threaded hole to connect the box and the support base; and / or, the first display component includes a support frame, a plurality of LED display modules and a plurality of first reinforcement profiles, the plurality of LED display modules are arranged on the front side of the support frame, and the plurality of first reinforcement profiles are arranged on the back side of the support frame; and / or, the box includes a frame and a plurality of second reinforcement profiles arranged in the frame.

[0016] The technical solution of the utility model is applied, and the LED display device includes a box, a first display component, a driving rod and a supporting rod. The upper end of the first display component is hinged to the upper end of the first side of the box, and the lower end of the first display component can be connected to the lower end of the first side of the box, so that the first display component can be flipped relative to the upper end of the box, so that the first display component has a first display position and a first maintenance position relative to the box. When the LED display device needs to work, the lower end of the first display component is connected to the lower end of the first side of the box, which is convenient for connection and fixing, thereby ensuring the display effect of the LED display device. Among them, when the lower end of the first display component is disassembled from the lower end of the first side of the box for maintenance, the upper end of the first display component is hinged to the upper end of the first side of the box after the first display component is disassembled from the box, so that the first display component can be rotated relative to the box, so that the first display component is away from the box and is in the first maintenance position, which is convenient for maintenance of the first display component. Specifically, a support rod is provided, and a first end of the support rod is hinged to the box body. When the first display component is in the first display position, the support rod is in the storage position and stored in the box body. When the first display component is in the first maintenance position, the support rod is switched to the supporting position, and the second end of the support rod abuts and cooperates with the first display component, thereby supporting the first display component, so that the first display component can be maintained in the first maintenance position, which is convenient for staff to maintain the first display component. This makes it easy to disassemble or install the LED display device, as well as to maintain the LED display device. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The drawings constituting part of the present application are used to provide a further understanding of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:

[0018] Figure 1 The structure diagram of the LED display device provided by the embodiment of the utility model is shown;

[0019] Figure 2Shows Figure 1 A partial enlarged view of the middle A;

[0020] Figure 3 Shows Figure 1 A partial enlarged view of point B in the middle;

[0021] Figure 4 Shows Figure 1 A partial enlarged view of point C in the middle;

[0022] Figure 5 A schematic structural diagram of another viewing angle of the LED display device provided by an embodiment of the utility model is shown;

[0023] Figure 6 A partial schematic diagram of an LED display device provided by an embodiment of the utility model is shown;

[0024] Figure 7 A side view of an LED display device provided by an embodiment of the utility model is shown;

[0025] Figure 8 A schematic diagram showing a case of an LED display device provided by an embodiment of the utility model being installed on a supporting base.

[0026] The above drawings include the following reference numerals:

[0027] 10. Box body; 11. Snap ring; 12. Snap boss; 13. Nut column; 14. Reinforcement cover; 15. Frame; 16. Second reinforcement profile;

[0028] 20. first display assembly; 21. connection base; 22. abutment column; 23. first control member; 231. power supply; 232. control board; 24. support frame; 241. mounting column; 25. LED display module; 26. snap-fit ​​groove; 27. connecting hole; 28. first reinforcing profile;

[0029] 30. Driving rod;

[0030] 40. support rod; 41. opening slot;

[0031] 50. A second display component; 51. A second control component;

[0032] 61. Support column; 62. Support base. DETAILED DESCRIPTION

[0033] 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 only part of the embodiments of the utility model, not all of the embodiments. The following description of at least one exemplary embodiment is actually only illustrative and is by no means a limitation on the utility model and its application or use. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0034] like Figures 1 to 8 As shown, an embodiment of the utility model provides an LED display device, which includes a box body 10, a first display component 20, a driving rod 30 and a support rod 40. The first display component 20 is arranged on a first side of the box body 10, the upper end of the first display component 20 is hinged to the upper end of the first side of the box body 10 and the lower end of the first display component 20 can be connected to the lower end of the first side of the box body 10, so that the first display component 20 has a first maintenance position in which the lower end is away from the box body 10 and a first display position in which the lower end is connected to the box body 10, the two ends of the driving rod 30 are respectively hinged to the box body 10 and the first display component 20 and can drive the first display component 20 to move between the first maintenance position and the first display position, the first end of the support rod 40 is hinged to the box body 10, the support rod 40 has a storage position located in the box body 10 and a supporting position partially extending out of the box body 10, when the support rod 40 is in the supporting position, the second end of the support rod 40 abuts and cooperates with the first display component 20 so that the first display component 20 remains in the first maintenance position.

[0035] The LED display device provided in this embodiment is applied, and the LED display device includes a box body 10, a first display component 20, a driving rod 30 and a supporting rod 40. The upper end of the first display component 20 is hinged to the upper end of the first side of the box body 10, and the lower end of the first display component 20 can be connected to the lower end of the first side of the box body 10, so that the first display component 20 can be flipped relative to the upper end of the box body 10, so that the first display component 20 has a first display position and a first maintenance position relative to the box body 10. When the LED display device is required to work, the lower end of the first display component 20 is connected to the lower end of the first side of the box body 10 to facilitate connection and fixation, thereby ensuring the display effect of the LED display device. Among them, when the lower end of the first display component 20 is disassembled from the lower end of the first side of the box body 10 for maintenance, the upper end of the first display component 20 is hinged to the upper end of the first side of the box body 10 after the first display component 20 and the box body 10 are disassembled, so that the first display component 20 can be rotated relative to the box body 10, so that the first display component 20 is away from the box body 10 and is in the first maintenance position, which is convenient for maintenance of the first display component 20. Specifically, a support rod 40 is provided, and a first end of the support rod 40 is hinged to the box body 10. When the first display component 20 is in the first display position, the support rod 40 is in the storage position and stored in the box body 10. When the first display component 20 is in the first maintenance position, the support rod 40 is switched to the supporting position, and the second end of the support rod 40 abuts and cooperates with the first display component 20, thereby supporting the first display component 20, so that the first display component 20 can be maintained in the first maintenance position, which is convenient for the staff to maintain the first display component 20. This makes it easy to disassemble or install the LED display device, and also makes it easy to maintain the LED display device.

[0036] It should be noted that the lower end of the first display assembly 20 can be connected to the lower end of the box 10, or the lower end of the first display assembly 20 can be disassembled and separated from the lower end of the box 10, which facilitates maintenance of the first display assembly 20.

[0037] Among them, the supporting position of the support rod 40 is a specific position, specifically the position when the first display component 20 is supported in the first maintenance position, so that the support rod 40 can support the first display component 20 when the support rod 40 is in the supporting position, thereby preventing the first display component 20 from rotating relative to the box 10.

[0038] In this embodiment, the second end of the support rod 40 has an abutment portion, and the back of the first display assembly 20 has a connection seat 21. When the support rod 40 is in the supporting position, the abutment portion abuts and cooperates with the connection seat 21. With the above structure, by providing the abutment portion at the second end of the support rod 40, the abutment portion abuts and cooperates with the connection seat 21 of the first display assembly 20, so that when the support rod 40 is in the supporting position, it can ensure that the first display assembly 20 is always in the first maintenance position, which is convenient for repairing the first display assembly 20 and ensuring the structural reliability of the LED display device.

[0039] It should be noted that the front side of the first display assembly 20 is a display surface, and the back side is a mounting surface.

[0040] like Figures 1 to 4 As shown, the connection seat 21 is provided with an abutting column 22, and the abutting portion is provided with an open groove 41. When the support rod 40 is located at the supporting position, the abutting column 22 abuts and cooperates with the bottom wall of the open groove 41. With the above structure, by providing the abutting column 22 on the connection seat 21 and providing the open groove 41 on the abutting portion of the support rod 40, when the support rod 40 is in the supporting position, the support rod 40 can abut and cooperate with the open groove 41, thereby enabling the support rod 40 to abut against the connection seat 21, thereby ensuring that the support rod 40 plays a supporting role for the first display assembly 20.

[0041] It should be noted that, in this embodiment, the connection seat 21 includes a connection pin and a baffle, the pin shaft of the connection pin forms an abutment column, the connection column is a cylindrical structure, and the bottom wall of the opening groove 41 is an arc-shaped wall surface. In other embodiments, a pin hole is provided on the connection seat 21, and when the opening groove 41 on the support rod 40 is opposite to the pin hole, a pin is used to penetrate the opening groove 41 and the pin hole, so that the support rod 40 can support the first display assembly 20 under the action of the pin and the connection seat 21.

[0042] like Figure 1 , Figure 5 as well as Figure 6 As shown, a clamping ring 11 is provided in the box body 10, and a notch is provided on the clamping ring 11. When the support rod 40 is in the storage position, the support rod 40 is clamped in the clamping ring 11. With the above structure, by providing the clamping ring 11 in the box body 10, and providing the notch on the clamping ring 11, when the support rod 40 is in the storage position, the support rod 40 can extend into the clamping ring 11 through the notch on the clamping ring 11, and then the clamping ring 11 is used to clamp the support rod 40, so that when the first display assembly 20 is in the first display position, the support rod 40 can be in the storage position, and the support rod 40 is prevented from shaking in the box body 10.

[0043] like Figure 1 , Figure 5as well as Figure 6 As shown, the LED display device also includes a second display component 50, a first control component 23 and a second control component 51. The second display component 50 is arranged on the second side opposite to the first side of the box body 10. The upper end of the second display component 50 is hinged to the upper end of the second side of the box body 10 and the lower end of the second display component 50 can be connected to the lower end of the second side of the box body 10, so that the second display component 50 has a second maintenance position with the lower end away from the box body 10 and a second display position with the lower end connected to the box body 10. The first control component 23 is arranged on the back of the first display component 20 and is connected to the first display component 20 signal. The second control component 51 is arranged on the back of the second display component 50 and is connected to the second display component 50 signal. With the above structure, by setting the second display assembly 50, the second display assembly 50 is set on the second side opposite to the first side of the box 10, the upper end of the second display assembly 50 is hingedly connected to the upper end of the second side of the box 10, and the lower end of the second display assembly 50 is detachably connected to the lower end of the second side of the box 10, so that the second display assembly 50 has a second maintenance position and a second display position. Among them, the first control component 23 is set on the back of the first display assembly 20, the first control component 23 is connected to the first display assembly 20 by signal, and can control the display effect of the first display assembly 20, and the second control component 51 is set on the back of the second display assembly 50, and the second control component 51 is connected to the second display assembly 50 by signal, so that the display effect of the second display assembly 50 can be controlled by the second control component 51. Furthermore, when the first display component 20 needs to be maintained, the second display component 50 is controlled to be flipped relative to the box body 10, so that the second display component 50 is in the second maintenance position and the first display component 20 is in the first display position, so that the staff can repair the first control component 23 of the first display component 20 through the second side of the box body 10. When the second display component 50 needs to be maintained, the first display component 20 is controlled to be flipped relative to the box body 10, so that the first display component 20 is in the first maintenance position and the second display component 50 is in the second display position, so that the staff can repair the second control component 51 of the second display component 50 through the first side of the box body 10, making the maintenance method simple and convenient.

[0044] It should be noted that a driving rod 30 and a supporting rod 40 are also provided on the second side of the box body 10 . The driving rod 30 can drive the second display assembly 50 to flip relative to the box body 10 , and the supporting rod 40 can support the second display assembly 50 .

[0045] like Figure 5As shown, the first display component 20 includes a support frame 24 and a plurality of LED display modules 25, the upper end of the support frame 24 is hinged to the upper end of the first side of the box body 10, the lower end of the support frame 24 can be connected to the lower end of the first side of the box body 10, the plurality of LED display modules 25 are arranged on the front side of the support frame 24, and the back side of the support frame 24 is provided with a plurality of mounting columns 241, the first control component 23 includes a mounting plate and a power supply 231 and a control board 232 arranged on the first side of the mounting plate, the mounting plate is abutted against the mounting column 241, and the first control component 23 is connected to the support frame 24 by a first fastener penetrating the mounting plate and the mounting column 241. With the above structure, by setting a support frame 24 and a plurality of LED display modules 25, the upper end of the support frame 24 is hingedly connected to the upper end of the first side of the box 10, and the lower end of the support frame 24 can be connected to the lower end of the first side of the box 10, and then the plurality of LED display modules 25 are set on the front of the support frame 24, so that the plurality of LED display modules 25 are conveniently fixed on the support frame 24, and a plurality of mounting posts 241 are set on the back of the support frame 24, so that the power supply 231 and the control board 232 are conveniently fixed on the mounting posts 241 through the mounting board, so that the first control member 23 can be conveniently assembled on the back of the first display assembly 20, and then it does not need to be set in the box 10. When the first display assembly 20 is set on the first side of the box 10 and the second display assembly 50 is set on the second side of the box 10, it can be convenient to repair the LED display device by simply turning over the corresponding display assembly, so as to ensure convenient repair.

[0046] like Figure 1 and Figure 5 As shown, the lower end of the first display assembly 20 has a snap-in groove 26, and the lower end of the first side of the box body 10 has a snap-in boss 12. When the first display assembly 20 is in the first display position, the upper surface of the snap-in boss 12 abuts against the top wall of the snap-in groove 26 to support the first display assembly 20. With the above structure, by providing the snap-in groove 26 at the lower end of the first display assembly 20, and providing the snap-in boss 12 at the lower end of the first side of the box body 10, when the first display assembly 20 is in the first display position, the top wall of the snap-in groove 26 abuts against the upper surface of the snap-in boss 12, so that the snap-in boss 12 on the box body 10 can be used to support the first display assembly 20, so as to prevent the first display assembly 20 from sagging and causing the first display assembly 20 to fall off from the box body 10.

[0047] It should be noted that a buffer pad is provided on the upper surface of the clamping boss 12 , and the buffer pad can play a buffering role when the clamping boss 12 is clamped with the clamping groove 26 .

[0048] like Figure 1 and Figure 6As shown, the lower end of the first display component 20 has a connecting hole 27, the lower end of the first side of the box body 10 has a nut column 13, and the LED display device further includes a second fastener, which is inserted through the connecting hole 27 and threadedly connected with the nut column 13 to fix the first display component 20 in the display position. With the above structure, by providing the connecting hole 27 at the lower end of the first display component 20, and the nut column 13 at the lower end of the first side of the box body 10, and then using the second fastener to penetrate the connecting hole 27 and the nut column 13 and threadedly connected with the nut column 13, it is convenient to fix the first display component 20 on the box body 10, so that the fixing method is simple and convenient.

[0049] like Figure 5 and Figure 6 As shown, the lower end of the first side of the box body 10 has a reinforcement cover 14, and the nut column 13 is arranged in the reinforcement cover 14. With the above structure, by providing the reinforcement cover 14, the nut column 13 is arranged in the reinforcement cover 14, thereby improving the structural strength of the nut column 13.

[0050] like Figure 8 As shown, the LED display device further includes a support column 61 and a support base 62 disposed on the support column 61, a mounting hole is disposed on the support base 62, a threaded hole is disposed at the lower end of the box body 10, and the LED display device further includes a third fastener, which is passed through the mounting hole and threadedly connected to the threaded hole to connect the box body 10 and the support base 62. With the above structure, by providing the support column 61 and the support base 62, the support base 62 can be connected and fixed to the lower end of the box body 10 through the third fastener, so that the box body 10 can be supported and fixed by using the support column 61 and the support base 62.

[0051] like Figure 1 As shown, the first display assembly 20 includes a support frame 24, a plurality of LED display modules 25 and a plurality of first reinforcing profiles 28, wherein the plurality of LED display modules 25 are arranged on the front of the support frame 24, and the plurality of first reinforcing profiles 28 are arranged on the back of the support frame 24. With the above structure, by arranging a plurality of first reinforcing profiles 28 on the back of the support frame 24, it is convenient to support the first display assembly 20, thereby improving the structural strength of the first display assembly 20.

[0052] like Figure 1 As shown, the box body 10 includes a frame 15 and a plurality of second reinforcing profiles 16 disposed in the frame 15. With the above structure, by disposing a plurality of second reinforcing profiles 16 in the frame 15, the structural strength of the box body 10 can be improved.

[0053] It should be noted that a lifting ring is provided at the upper end of the box 10, and hinges are provided at the upper ends of the box 10 and the first display component 20, so as to facilitate the control of the rotation of the first display component 20 relative to the box 10. The lifting ring is lifted by lifting tools, which can facilitate the transportation of the LED display device.

[0054] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, it indicates the presence of features, steps, operations, devices, components and / or combinations thereof.

[0055] Unless otherwise specifically stated, the relative arrangement, numerical expressions and numerical values ​​of the parts and steps set forth in these embodiments do not limit the scope of the utility model. At the same time, it should be understood that, for ease of description, the sizes of the various parts shown in the accompanying drawings are not drawn according to the actual proportional relationship. The technology, method and equipment known to those of ordinary skill in the relevant art may not be discussed in detail, but in appropriate cases, the technology, method and equipment should be considered as a part of the specification. In all examples shown and discussed here, any specific value should be interpreted as being merely exemplary, rather than as a limitation. Therefore, other examples of exemplary embodiments may have different values. It should be noted that similar reference numerals and letters represent similar items in the following drawings, and therefore, once a certain item is defined in an accompanying drawing, it does not need to be further discussed in subsequent drawings.

[0056] In the description of the present utility model, it needs to be understood that the directions or positional relationships indicated by directional words such as "front, back, up, down, left, right", "lateral, vertical, perpendicular, horizontal" and "top, bottom" are usually based on the directions or positional relationships shown in the drawings, and are only for the convenience of describing the present utility model and simplifying the description. Unless otherwise specified, these directional words do not indicate or imply that the device or element referred to must have a specific direction or be constructed and operated in a specific direction, and therefore cannot be understood as limiting the scope of protection of the present utility model; the directional words "inside and outside" refer to the inside and outside relative to the contours of each component itself.

[0057] For ease of description, spatially relative terms such as "above", "above", "on the upper surface of", "above", etc. may be used here to describe the spatial positional relationship between a device or feature and other devices or features as shown in the figure. It should be understood that spatially relative terms are intended to include different orientations of the device in use or operation in addition to the orientation described in the figure. For example, if the device in the accompanying drawings is inverted, the device described as "above other devices or structures" or "above other devices or structures" will be positioned as "below other devices or structures" or "below other devices or structures". Thus, the exemplary term "above" can include both "above" and "below". The device can also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatially relative descriptions used here are interpreted accordingly.

[0058] In addition, it should be noted that the use of terms such as "first" and "second" to limit components is only for the convenience of distinguishing the corresponding components. If not otherwise stated, the above terms have no special meaning and therefore cannot be understood as limiting the scope of protection of the utility model.

[0059] The above description is only the preferred embodiment of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. An LED display device, characterized in that: The LED display device comprises: Box body (10); A first display component (20) is arranged on a first side of the box (10), the upper end of the first display component (20) is hinged to the upper end of the first side of the box (10) and the lower end of the first display component (20) can be connected to the lower end of the first side of the box (10), so that the first display component (20) has a first maintenance position in which the lower end is away from the box (10) and a first display position in which the lower end is connected to the box (10); a driving rod (30), the two ends of which are respectively hinged to the box (10) and the first display assembly (20) and are capable of driving the first display assembly (20) to move between the first maintenance position and the first display position; A support rod (40), wherein the first end of the support rod (40) is hinged to the box body (10), and the support rod (40) has a storage position located in the box body (10) and a supporting position partially extending out of the box body (10); when the support rod (40) is located at the supporting position, the second end of the support rod (40) abuts against the first display component (20) so that the first display component (20) is maintained in the first maintenance position.

2. The LED display device according to claim 1, characterized in that: The second end of the support rod (40) has an abutment portion, and the back of the first display assembly (20) has a connection seat (21). When the support rod (40) is located at the supporting position, the abutment portion abuts and cooperates with the connection seat (21).

3. The LED display device according to claim 2, characterized in that: The connecting seat (21) is provided with an abutment column (22), and the abutment portion is provided with an open groove (41). When the support rod (40) is located at the supporting position, the abutment column (22) abuts and cooperates with the bottom wall of the open groove (41).

4. The LED display device according to any one of claims 1 to 3, characterized in that: A clamping ring (11) is arranged in the box body (10), and a notch is provided on the clamping ring (11). When the support rod (40) is located at the storage position, the support rod (40) is clamped in the clamping ring (11).

5. The LED display device according to any one of claims 1 to 3, characterized in that: The LED display device further comprises a second display component (50), a first control component (23) and a second control component (51); the second display component (50) is arranged on a second side opposite to the first side of the housing (10); the upper end of the second display component (50) is hinged to the upper end of the second side of the housing (10) and the lower end of the second display component (50) can be connected to the lower end of the second side of the housing (10), so that the second display component (50) has a second maintenance position in which the lower end is away from the housing (10) and a second display position in which the lower end is connected to the housing (10); the first control component (23) is arranged on the back of the first display component (20) and is signal-connected to the first display component (20); and the second control component (51) is arranged on the back of the second display component (50) and is signal-connected to the second display component (50).

6. The LED display device according to claim 5, characterized in that: The first display component (20) comprises a support frame (24) and a plurality of LED display modules (25); the upper end of the support frame (24) is hinged to the upper end of the first side of the box body (10); the lower end of the support frame (24) can be connected to the lower end of the first side of the box body (10); the plurality of LED display modules (25) are arranged on the front side of the support frame (24); the back side of the support frame (24) is provided with a plurality of mounting posts (241); the first control component (23) comprises a mounting plate and a power supply (231) and a control board (232) arranged on the first side of the mounting plate; the mounting plate is in abutment with the mounting post (241); the first control component (23) is connected to the support frame (24) by a first fastener penetrating the mounting plate and the mounting post (241).

7. The LED display device according to any one of claims 1 to 3, characterized in that: The lower end of the first display component (20) has a snap-in groove (26), and the lower end of the first side of the box body (10) has a snap-in boss (12). When the first display component (20) is in the first display position, the upper surface of the snap-in boss (12) abuts against the top wall of the snap-in groove (26) to support the first display component (20).

8. The LED display device according to any one of claims 1 to 3, characterized in that: The lower end of the first display component (20) has a connecting hole (27), the lower end of the first side of the box body (10) has a nut column (13), and the LED display device also includes a second fastener, which is inserted into the connecting hole (27) and is threadedly connected to the nut column (13) to fix the first display component (20) at the first display position.

9. The LED display device according to claim 8, characterized in that: The lower end of the first side of the box body (10) is provided with a reinforcement cover (14), and the nut column (13) is arranged in the reinforcement cover (14).

10. The LED display device according to any one of claims 1 to 3, characterized in that: The LED display device further comprises a support column (61) and a support base (62) arranged on the support column (61), the support base (62) is provided with a mounting hole, the lower end of the box (10) is provided with a threaded hole, the LED display device further comprises a third fastener, the third fastener is passed through the mounting hole and is threadedly connected to the threaded hole to connect the box (10) and the support base (62); and / or, The first display assembly (20) comprises a support frame (24), a plurality of LED display modules (25) and a plurality of first reinforcing profiles (28), wherein the plurality of LED display modules (25) are arranged on the front side of the support frame (24), and the plurality of first reinforcing profiles (28) are arranged on the back side of the support frame (24); and / or, The box body (10) comprises a frame (15) and a plurality of second reinforcing profiles (16) arranged in the frame (15).

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