LED splicing screen based on hinge folding

Abstract

The utility model discloses an LED splicing screen based on hinge folding, which comprises an LED large screen, the LED large screen comprises a first transverse screen and a second transverse screen, a plurality of groups of first hinges are arranged between the first transverse screen and the second transverse screen, the first transverse screen is divided into a first movable small screen, a second movable small screen and a third movable small screen, and the second movable small screen is divided into a second movable small screen and a third movable small screen. The second horizontal screen is divided into a fourth movable small screen, a fifth movable small screen and a sixth movable small screen; a second hinge is arranged between the fourth movable small screen and the fifth movable small screen, and a second hinge is arranged between the sixth movable small screen and the fifth movable small screen; an equipment box is arranged on the periphery of the large LED screen, and a horizontal sliding rail, a lifting support and a control box are arranged at the bottom of the equipment box. Based on a mechanical structure of a hinge combination, folding in the horizontal dimension and the vertical dimension is achieved, the length and the height of the LED splicing screen are reduced, meanwhile, a lifting and sliding structure is adopted, and therefore the technical effect that one person can easily complete loading, unloading, unfolding and storage of products without a lifting appliance is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of electronic equipment, and in particular to an LED splicing screen based on hinge folding. Background Art

[0002] Large-size liftable LED splicing display screen equipment is favored by users because of its large display area and clear display effect. It is often used in various important indoor and outdoor occasions such as outdoor training grounds and large conference rooms, and the market demand is strong.

[0003] At present, the screen structure of large-size LED splicing display screens is generally made of die-cast aluminum, which is much heavier than home TVs. When using it, it is necessary to consider functions such as mobility, liftability, and stability. In addition, the outer packaging box makes the product relatively bulky.

[0004] However, the above-mentioned prior art has at least the following technical problems:

[0005] The LED splicing screen in the prior art uses two longitudinal seams as axes and can only be folded in the horizontal dimension, but not in the vertical dimension. There are technical problems such as large product size, limited mobility, and being bulky and difficult to carry. Summary of the invention

[0006] The embodiment of the utility model provides a hinge-based folding LED splicing screen, which is used to solve the technical problems that the LED splicing screen in the prior art can only be folded in the horizontal dimension with two longitudinal seams as the axis, but cannot be folded in the vertical dimension, and has large product size, limited movement, and is heavy and difficult to carry. The mechanical structure based on the hinge combination realizes folding in both horizontal and vertical dimensions, reduces the length and height of the LED splicing screen, and adopts a lifting and sliding structure, so as to achieve the technical effect that one person can easily complete the loading and unloading, unfolding and storage of the product without a sling.

[0007] In order to solve the above problems, an embodiment of the utility model provides an LED splicing screen based on hinge folding, characterized in that the LED splicing screen includes: a large LED screen, the large LED screen is rectangular, wherein the large LED screen includes: a first horizontal screen; a second horizontal screen, the second horizontal screen is symmetrically arranged with the first horizontal screen, and a plurality of first hinges are arranged between the second horizontal screen and the first horizontal screen; wherein the first horizontal screen and the second horizontal screen are folded and overlapped by the first hinge; the first horizontal screen includes: a first movable small screen, the first movable small screen is located on the left side of the first horizontal screen; a second movable small screen, the second movable small screen is located in the middle of the first horizontal screen; a third movable small screen, the third movable small screen is located on the right side of the first horizontal screen; wherein the second horizontal screen includes: a fourth movable small screen, the fourth movable small screen is located on the left side of the second horizontal screen; a fifth movable small screen, the fifth movable small screen is located in In the middle of the second horizontal screen, a second hinge is provided between the fifth movable small screen and the fourth movable small screen; a sixth movable small screen, the sixth movable small screen is located on the right side of the second horizontal screen, and a second hinge is provided between the sixth movable small screen and the fifth movable small screen; an equipment box, the equipment box is arranged around the LED large screen; wherein the equipment box comprises: a movable cover plate, the movable cover plate is located on the top of the equipment box; a side panel, a plurality of the side panels are located around the equipment box; a flatbed car, the flatbed car is located at the bottom of the equipment box, and the flatbed car is welded to the LED large screen; a horizontal slide rail, the horizontal slide rail is located below the flatbed car, wherein the equipment box is moved by the horizontal slide rail; a lifting bracket, the lifting bracket is arranged below the horizontal slide rail, and the lifting bracket is fixedly connected to the horizontal slide rail; a control box, the control box is fixedly connected to one side of the horizontal slide rail.

[0008] Preferably, the areas of the first active small screen, the third active small screen, the fourth active small screen and the sixth active small screen are equal, and the areas of the second active small screen and the fifth active small screen are equal.

[0009] Preferably, the area of ​​the second active small screen is at least twice the area of ​​the first active small screen.

[0010] Preferably, the control box includes: a lifting switch, which is arranged on the control box panel; an emergency stop switch, which is arranged on the control box panel, and the lifting switches are arranged in parallel; and a power supply, which is arranged inside the control box.

[0011] Preferably, the lifting bracket includes: an electric hydraulic rod, which is fixedly arranged on the lifting bracket; a driving motor, one end of which is electrically connected to the electric hydraulic rod, and the other end of which is connected to the power supply of the control box.

[0012] Preferably, the lifting bracket is a scissors-type pneumatic lifting bracket.

[0013] Preferably, the number of the first hinges is 3 groups, each group has at least 1 hinge; the number of the second hinges is 2 groups, each group has at least 1 hinge.

[0014] Preferably, a pulley is provided at each of the four corners of the bottom of the flatbed cart.

[0015] Preferably, the LED splicing screen is made of die-cast aluminum.

[0016] The above one or more technical solutions in the embodiments of the present utility model have at least one or more of the following technical effects:

[0017] The utility model embodiment provides an LED splicing screen based on hinge folding, and the LED splicing screen includes: an LED large screen, and the LED large screen is rectangular, wherein the LED large screen includes: a first horizontal screen; a second horizontal screen, the second horizontal screen is symmetrically arranged with the first horizontal screen, and a plurality of first hinges are arranged between the second horizontal screen and the first horizontal screen; wherein the first horizontal screen and the second horizontal screen are folded and overlapped by the first hinge; the first horizontal screen includes: a first movable small screen, the first movable small screen is located on the left side of the first horizontal screen; a second movable small screen, the second movable small screen is located in the middle of the first horizontal screen; a third movable small screen, the third movable small screen is located on the right side of the first horizontal screen; wherein the second horizontal screen includes: a fourth movable small screen, the fourth movable small screen is located on the left side of the second horizontal screen; a fifth movable small screen, the fifth movable small screen is located in the middle of the second horizontal screen, and A second hinge is provided between the fifth movable small screen and the fourth movable small screen; a sixth movable small screen, the sixth movable small screen is located on the right side of the second horizontal screen, and a second hinge is provided between the sixth movable small screen and the fifth movable small screen; an equipment box, the equipment box is arranged around the LED large screen; wherein the equipment box includes: an movable cover, the movable cover is located on the top of the equipment box; side panels, a plurality of the side panels are located around the equipment box; a flatbed car, the flatbed car is located at the bottom of the equipment box, and the flatbed car is welded and connected to the LED large screen; a horizontal slide rail, the horizontal slide rail is located below the flatbed car, wherein the equipment box is moved by the horizontal slide rail; a lifting bracket, the lifting bracket is arranged below the horizontal slide rail, and the lifting bracket is fixedly connected to the horizontal slide rail; a control box, the control box is fixedly connected to one side of the horizontal slide rail. It is used to solve the technical problems that the LED splicing screen in the prior art uses two longitudinal seams as axes, can only be folded in the horizontal dimension, and cannot be folded in the vertical dimension, and has large product size, limited movement, and is heavy and difficult to carry. The mechanical structure based on the hinge combination realizes folding in both horizontal and vertical dimensions, reducing the length and height of the LED splicing screen. At the same time, the lifting and sliding structure is adopted to achieve the technical effect that one person can easily complete the loading and unloading, unfolding and storage of the product without lifting equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art 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 1This is a structural schematic diagram of an LED splicing screen based on hinge folding provided in an embodiment of the utility model;

[0020] Figure 2 The LED splicing screen after folding and boxing in the embodiment of the utility model;

[0021] Figure 3 It is the LED splicing screen folded along the vertical dimension of the horizontal axis in the embodiment of the utility model;

[0022] Figure 4 It is the LED splicing screen folded along the horizontal dimension of the longitudinal axis in the embodiment of the utility model;

[0023] Figure 5 This is a schematic diagram of loading the LED splicing screen after folding and packing in the embodiment of the utility model;

[0024] Figure 6 This is a schematic diagram of the installation of a bus hinged LED splicing screen in the embodiment of the utility model;

[0025] Figure 7 It is a schematic diagram of folding along the vertical dimension of the horizontal axis of the bus hinge LED splicing screen installed in the embodiment of the utility model;

[0026] Figure 8 It is a schematic diagram of folding along the vertical dimension of the horizontal axis of the bus hinge LED splicing screen installed in the embodiment of the utility model;

[0027] Fig. 9 It is a schematic diagram of folding along the horizontal dimension of the longitudinal axis of the bus hinge LED splicing screen installed in the embodiment of the utility model.

[0028] Figure markings: LED large screen 1, first movable small screen 1#, second movable small screen 2#, third movable small screen 3#, fourth movable small screen 4#, fifth movable small screen 5#, sixth movable small screen 6#, first hinge 2, second hinge 2-1, equipment box 3, control box 4, lifting bracket 5, horizontal slide rail 6, transport vehicle 7. DETAILED DESCRIPTION

[0029] The embodiment of the utility model provides an LED splicing screen based on hinge folding, which solves the technical problems that the LED splicing screen in the prior art has two longitudinal seams as axes and can only be folded in the horizontal dimension but cannot be folded in the vertical dimension, and has the disadvantages of large product size, limited movement, and being bulky and difficult to carry.

[0030] The technical solution in the embodiment of the utility model has the following overall structure: an LED large screen, the LED large screen is rectangular, wherein the LED large screen includes: a first horizontal screen; a second horizontal screen, the second horizontal screen is symmetrically arranged with the first horizontal screen, and a plurality of first hinges are arranged between the second horizontal screen and the first horizontal screen; wherein the first horizontal screen and the second horizontal screen are folded and overlapped by the first hinge; the first horizontal screen includes: a first movable small screen, the first movable small screen is located on the left side of the first horizontal screen; a second movable small screen, the second movable small screen is located in the middle of the first horizontal screen; a third movable small screen, the third movable small screen is located on the right side of the first horizontal screen; wherein the second horizontal screen includes: a fourth movable small screen, the fourth movable small screen is located on the left side of the second horizontal screen; a fifth movable small screen, the fifth movable small screen is located in the middle of the second horizontal screen, and the fifth movable small screen is located on the right side of the first horizontal screen. A second hinge is provided between the fourth movable small screen; a sixth movable small screen, the sixth movable small screen is located on the right side of the second horizontal screen, and a second hinge is provided between the sixth movable small screen and the fifth movable small screen; an equipment box, the equipment box is arranged around the LED large screen; wherein the equipment box comprises: a movable cover, the movable cover is located on the top of the equipment box; side panels, a plurality of the side panels are located around the equipment box; a flatbed car, the flatbed car is located at the bottom of the equipment box, and the flatbed car is welded to the LED large screen; a horizontal slide rail, the horizontal slide rail is located below the flatbed car, wherein the equipment box is moved by the horizontal slide rail; a lifting bracket, the lifting bracket is arranged below the horizontal slide rail, and the lifting bracket is fixedly connected to the horizontal slide rail; a control box, the control box is fixedly connected to one side of the horizontal slide rail. The mechanical structure based on the hinge combination realizes folding in both horizontal and vertical dimensions, reducing the length and height of the LED splicing screen. At the same time, the lifting and sliding structure is adopted to achieve the technical effect that one person can easily complete the loading and unloading, unfolding and storage of the product without lifting equipment.

[0031] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment 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] Embodiment 1

[0033] The present invention provides a LED splicing screen based on hinge folding, please refer to Figures 1 to 5 , the LED splicing screen includes:

[0034] The LED large screen 1 is rectangular, wherein the LED large screen 1 comprises:

[0035] First horizontal screen;

[0036] A second horizontal screen, wherein the second horizontal screen is symmetrically arranged with the first horizontal screen, and a plurality of groups of first hinges 2 are arranged between the second horizontal screen and the first horizontal screen;

[0037] The first horizontal screen and the second horizontal screen are folded and overlapped by the first hinge 2;

[0038] Furthermore, the number of the first hinges 2 is 3 groups, and each group has at least 1 first hinge.

[0039] Furthermore, the LED splicing screen is made of die-cast aluminum.

[0040] Specifically, the LED large screen 1 is rectangular and made of die-cast aluminum. The product is relatively bulky. Therefore, the embodiment of the present application divides the LED large screen 1 into a first horizontal screen and a second horizontal screen along the horizontal axis. The areas of the first horizontal screen and the second horizontal screen are equal, and both are half of the area of ​​the LED large screen 1. Then, three groups of first hinges 2 are installed between the first horizontal screen and the second horizontal screen, and each group is provided with 2-3 first hinges 2. Here, the first hinge 2 is a 180-degree flat door invisible hinge, which can be folded forward or backward. Therefore, the first hinge 2 can enable the first horizontal screen and the second horizontal screen to be folded face to face or back to back. Specifically, the first horizontal screen can be folded forward along the horizontal axis to achieve the folding of the first horizontal screen and the second horizontal screen face to face. Similarly, the first horizontal screen can be folded backward along the horizontal axis to achieve the folding of the first horizontal screen and the second horizontal screen back to back, further realizing the folding of the LED splicing screen in the vertical dimension and reducing the technical effect of the product height.

[0041] Wherein, the first horizontal screen includes:

[0042] A first active small screen 1#, the first active small screen 1# being located on the left side of the first horizontal screen;

[0043] A second active small screen 2#, the second active small screen 2# being located in the middle of the first horizontal screen;

[0044] A third active small screen 3#, the third active small screen 3# being located on the right side of the first horizontal screen;

[0045] Wherein, the second horizontal screen includes:

[0046] A fourth active small screen 4#, the fourth active small screen 4# being located on the left side of the second horizontal screen;

[0047] A fifth movable small screen 5#, wherein the fifth movable small screen 5# is located in the middle of the second horizontal screen, and a second hinge 2-1 is provided between the fifth movable small screen 5# and the fourth movable small screen 4#;

[0048] A sixth movable small screen 6#, the sixth movable small screen 6# is located on the right side of the second horizontal screen, and a second hinge 2-1 is provided between the sixth movable small screen 6# and the fifth movable small screen 5#;

[0049] Furthermore, the areas of the first active small screen 1#, the third active small screen 3#, the fourth active small screen 4# and the sixth active small screen 6# are equal, and the areas of the second active small screen 2# and the fifth active small screen 5# are equal.

[0050] Furthermore, the area of ​​the second active small screen 2# is at least twice the area of ​​the first active small screen 1#.

[0051] Furthermore, the number of the second hinges 2-1 is 2 groups, and each group has at least 1 hinge.

[0052] Specifically, in order to facilitate the folding of the LED large screen 1 in the horizontal dimension along the longitudinal axis, the embodiment of the present application divides the first horizontal screen into a first active small screen 1#, a second active small screen 2#, and a third active small screen 3#, wherein there is no physical connection between the first active small screen 1#, the second active small screen 2# and the third active small screen 3#, and the second horizontal screen is divided into a fourth active small screen 4#, a fifth active small screen 5#, and a sixth active small screen 6#. Specifically, 2-3 of the first hinges are installed between the first active small screen 1# and the fourth active small screen 4#, between the second active small screen 2# and the fifth active small screen 5#, and between the third active small screen 3# and the sixth active small screen 6#. Chain 2, folding the first movable small screen 1# forward or backward, so that the first movable small screen 1# and the fourth movable small screen 4# are opposite in screen surface or back to back. Similarly, the first hinge 2 makes the second movable small screen 2# and the fifth movable small screen 5#, and the third movable small screen 3# and the sixth movable small screen 6# opposite in screen surface or back to back, wherein the first movable small screen 1#, the third movable small screen 3#, the fourth movable small screen 4# and the sixth movable small screen 6# have the same area, the second movable small screen 2# and the fifth movable small screen 5# have the same area, and the second movable small screen 2# is at least twice the area of ​​the first movable small screen 1#.

[0053] A group of second hinges 2-1 are respectively installed between the fourth movable small screen 4# and the fifth movable small screen 5#, and between the fifth movable small screen 5# and the sixth movable small screen 6#, each group consists of 2 second hinges 2-1. Here, the second hinge 2-1 is still a 180-degree flat door invisible hinge. When the first horizontal screen and the second horizontal screen are folded face to face, the fourth movable small screen 4# and the sixth movable small screen 6# are folded backward along the longitudinal axis through the second hinge 2-1, so that the fourth movable small screen 4#, the sixth movable small screen 6# and the fifth movable small screen 5# are facing each other back to back; when the first horizontal screen and the second horizontal screen are folded back to back, the fourth movable small screen 4# and the sixth movable small screen 6# are folded forward along the longitudinal axis through the second hinge 2-1, so that the fourth movable small screen 4#, the sixth movable small screen 6# and the fifth movable small screen 5# are facing each other; the folding of the LED splicing screen in the horizontal dimension is further realized, the product length is reduced, and the technical effect of solving the problem of limited movement is solved.

[0054] Equipment box 3, the equipment box 3 is arranged around the LED large screen 1;

[0055] Wherein, the equipment box 3 includes:

[0056] A movable cover plate, the movable cover plate is located on the top of the equipment box 3;

[0057] Side panels, a plurality of side panels are located around the equipment box 3;

[0058] A flatbed car, which is located at the bottom of the equipment box 3 and is welded to the LED large screen 1;

[0059] Furthermore, a pulley is provided at each of the four corners of the bottom of the flatbed cart.

[0060] Specifically, a flatbed is welded to the bottom of the LED screen 1. When the LED screen 1 on the flatbed is folded and stored, the side panels are sequentially installed along the four sides of the LED screen 1, and then the movable cover is covered to complete the packing of the LED spliced ​​screen. In addition, the four pulleys at the bottom of the flatbed can make the equipment box 3 move freely, thereby achieving the technical effect of convenient transportation of the LED spliced ​​screen, saving time and effort.

[0061] A horizontal slide rail 6, the horizontal slide rail 6 is located below the flatbed vehicle, wherein the equipment box 3 is moved by the horizontal slide rail 6;

[0062] A lifting bracket 5, wherein the lifting bracket 5 is arranged below the horizontal slide rail 6, and the lifting bracket 5 is fixedly connected to the horizontal slide rail 6;

[0063] A control box 4 is fixedly connected to one side of the horizontal slide rail 6 .

[0064] Furthermore, the control box 4 includes: a lifting switch [not shown in the figure], which is arranged on the panel of the control box 4; an emergency stop switch [not shown in the figure], which is arranged on the panel of the control box 4, and the lifting switches are arranged in parallel; a power supply [not shown in the figure], which is arranged inside the control box 4.

[0065] Furthermore, the lifting bracket 5 includes: an electric hydraulic rod, which is fixedly arranged on the lifting bracket 5; a driving motor [not shown in the figure], one end of the driving motor is electrically connected to the electric hydraulic rod, and the other end of the driving motor is connected to the power supply of the control box 4.

[0066] Furthermore, the lifting bracket 5 is a scissor-type pneumatic lifting bracket 5 .

[0067] Specifically, the lifting bracket 5 is a scissor-type pneumatic lifting bracket 5, and its core component is an electric hydraulic rod. The electric hydraulic rod is connected to the drive motor, and the power supply of the control box 4 provides power to the drive motor. When the lifting switch is pressed, the drive motor starts, and the electric hydraulic rod can be extended or shortened under the action of the drive motor, so that the lifting bracket 5 rises or falls, further realizing the lifting or lowering function of the LED splicing screen. When the LED splicing screen is lifted to the height of the transport vehicle 7, the emergency stop switch is pressed, the LED splicing screen stops moving, and moves along the horizontal slide rail 6 to the transport vehicle 7. The lifting switch is pressed to raise the lifting bracket 5 to the height of the transport vehicle 7. The emergency stop switch is pressed to move the lifting bracket 5 to the transport vehicle 7 along the horizontal slide rail 6, thereby completing the loading of the LED splicing screen.

[0068] When unloading, move the lifting bracket 5 out of the transport vehicle 7 along the horizontal slide rail 6, press the lifting switch to lower the lifting bracket 5 to the ground, move the flatbed truck on the equipment box 3 and the LED splicing screen to the outside of the transport vehicle 7 through the horizontal slide rail 6, press the lifting switch according to the actual situation, adjust the height of the LED splicing screen, and finally press the emergency stop switch, then open the equipment box 3, and then unfold the LED splicing screen along the longitudinal axis and the transverse axis in turn. It further achieves the technical effect that only one person can easily complete the loading and unloading, transportation, unfolding and storage of the LED splicing screen without a sling, greatly reducing the labor intensity.

[0069] Embodiment 2

[0070] The utility model embodiment also provides another LED splicing screen based on hinge folding, such as Figures 6 to 9 , which is different from the aforementioned LED splicing screen:

[0071] In the second embodiment of the present application, the first hinge 2 installed between the second horizontal screen and the first horizontal screen is 3 groups of bus hinges, each group is 2-4, that is, a group of bus hinges is installed between the first movable small screen 1# and the fourth movable small screen 4#, the second movable small screen 2# and the fifth movable small screen 5#, the third movable small screen 3# and the sixth movable small screen 6#, each group is 2-4 bus hinges. Due to the characteristics of the bus hinges, when the LED splicing screen is folded in the vertical dimension along the horizontal axis, the first horizontal screen needs to be pushed forward to The first horizontal screen is moved downward in the vertical direction at the front and upper part of the second horizontal screen until the first horizontal screen overlaps with the second horizontal screen front and back. Then the fourth movable small screen 4# and the sixth movable small screen 6# are folded backward along the longitudinal axis through the second hinge 2-1 (180-degree swing door invisible hinge) to realize that the backs of the fourth movable small screen 4#, the sixth movable small screen 6# and the fifth movable small screen 5# are opposite to each other, thereby achieving the technical effect of folding the LED splicing screen in vertical and horizontal dimensions, reducing the product length, and solving the problem of limited movement.

[0072] The technical solution provided in the embodiment of the utility model has at least the following technical effects or advantages:

[0073] The utility model embodiment provides an LED splicing screen based on hinge folding, and the LED splicing screen includes: an LED large screen, and the LED large screen is rectangular, wherein the LED large screen includes: a first horizontal screen; a second horizontal screen, the second horizontal screen is symmetrically arranged with the first horizontal screen, and a plurality of first hinges are arranged between the second horizontal screen and the first horizontal screen; wherein the first horizontal screen and the second horizontal screen are folded and overlapped by the first hinge; the first horizontal screen includes: a first movable small screen, the first movable small screen is located on the left side of the first horizontal screen; a second movable small screen, the second movable small screen is located in the middle of the first horizontal screen; a third movable small screen, the third movable small screen is located on the right side of the first horizontal screen; wherein the second horizontal screen includes: a fourth movable small screen, the fourth movable small screen is located on the left side of the second horizontal screen; a fifth movable small screen, the fifth movable small screen is located in the middle of the second horizontal screen, and A second hinge is provided between the fifth movable small screen and the fourth movable small screen; a sixth movable small screen, the sixth movable small screen is located on the right side of the second horizontal screen, and a second hinge is provided between the sixth movable small screen and the fifth movable small screen; an equipment box, the equipment box is arranged around the LED large screen; wherein the equipment box includes: an movable cover plate, the movable cover plate is located on the top of the equipment box; side panels, a plurality of side panels are located around the equipment box; a flatbed car, the flatbed car is located at the bottom of the equipment box, and the flatbed car is welded and connected to the LED large screen; a horizontal slide rail, the horizontal slide rail is located below the flatbed car, wherein the equipment box is moved by the horizontal slide rail; a lifting bracket, the lifting bracket is arranged below the horizontal slide rail, and the lifting bracket is fixedly connected to the horizontal slide rail; a control box, the control box is fixedly connected to one side of the horizontal slide rail. The LED splicing screen in the prior art is solved in that it takes two longitudinal seams as the axis, can only be folded in the horizontal dimension, cannot be folded in the vertical dimension, has a large product size, is limited in movement, and is heavy and difficult to carry. The mechanical structure based on the hinge combination realizes folding in both horizontal and vertical dimensions, reducing the length and height of the LED splicing screen. At the same time, the lifting and sliding structure is adopted to achieve the technical effect that one person can easily complete the loading and unloading, unfolding and storage of the product without lifting equipment.

[0074] Although the preferred embodiments of the present invention have been described, those skilled in the art may make additional changes and modifications to these embodiments once they have learned the basic creative concept. Therefore, the appended claims are intended to be interpreted as including the preferred embodiments and all changes and modifications falling within the scope of the present invention.

[0075] Obviously, those skilled in the art can make various changes and modifications to the embodiments of the present invention without departing from the spirit and scope of the embodiments of the present invention. Thus, if these modifications and variations of the embodiments of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

Claims

1. A hinge-folding LED splicing screen, characterized in that: The LED splicing screen includes: The LED large screen is rectangular, wherein the LED large screen comprises: First horizontal screen; A second horizontal screen, wherein the second horizontal screen is symmetrically arranged with the first horizontal screen, and a plurality of groups of first hinges are arranged between the second horizontal screen and the first horizontal screen; Wherein, the first horizontal screen and the second horizontal screen are folded and overlapped by the first hinge; Wherein, the first horizontal screen includes: A first active small screen, the first active small screen is located on the left side of the first horizontal screen; A second active small screen, the second active small screen is located in the middle of the first horizontal screen; A third active small screen, the third active small screen being located on the right side of the first horizontal screen; Wherein, the second horizontal screen includes: a fourth active small screen, the fourth active small screen being located on the left side of the second horizontal screen; a fifth active small screen, the fifth active small screen being located in the middle of the second horizontal screen, and A second hinge is provided between the fifth movable small screen and the fourth movable small screen; a sixth active small screen, the sixth active small screen being located on the right side of the second horizontal screen, and A second hinge is provided between the sixth movable small screen and the fifth movable small screen; Equipment boxes, which are arranged around the LED large screen; Wherein, the equipment box includes: A movable cover plate, the movable cover plate is located on the top of the equipment box; Side panels, a plurality of side panels are located around the equipment box; A flatbed car, the flatbed car is located at the bottom of the equipment box, and the flatbed car is welded and connected to the LED large screen; A horizontal slide rail, the horizontal slide rail is located below the flatbed vehicle, wherein the equipment box is moved by the horizontal slide rail; A lifting bracket, wherein the lifting bracket is arranged below the horizontal slide rail and the lifting bracket is fixedly connected to the horizontal slide rail; A control box is fixedly connected to one side of the horizontal slide rail.

2. The LED splicing screen according to claim 1, characterized in that: The areas of the first active small screen, the third active small screen, the fourth active small screen and the sixth active small screen are equal, and the areas of the second active small screen and the fifth active small screen are equal.

3. The LED splicing screen according to claim 2, characterized in that: The area of ​​the second active small screen is at least twice the area of ​​the first active small screen.

4. The LED splicing screen according to claim 1, characterized in that: The control box comprises: A lifting switch, the lifting switch is arranged on the control box panel: An emergency stop switch, the emergency stop switch is arranged on the control box panel, and the lifting switch is arranged in parallel; A power supply is arranged inside the control box.

5. The LED splicing screen according to claim 4, characterized in that: The lifting bracket comprises: An electric hydraulic rod, wherein the electric hydraulic rod is fixedly arranged on the lifting bracket: A drive motor, one end of which is electrically connected to the electric hydraulic rod, and the other end of which is connected to a power source of the control box.

6. The LED splicing screen according to claim 5, characterized in that: The lifting bracket is a scissor-type pneumatic lifting bracket.

7. The LED splicing screen according to claim 1, characterized in that: The number of the first hinges is 3 groups, each group has at least 1 hinge; the number of the second hinges is 2 groups, each group has at least 1 hinge.

8. The LED splicing screen according to claim 1, characterized in that: A pulley is arranged at each of the four corners of the bottom of the flatbed vehicle.

9. The LED splicing screen according to claim 1, characterized in that: The LED splicing screen is made of die-cast aluminum.

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