CN213025170U - Front maintenance LED display screen box and display screen thereof - Google Patents

Abstract

The utility model relates to a front maintenance LED display screen box and display screen thereof, front maintenance LED display screen box includes, LED display module assembly, frame, LED lamp pearl, box, lamp plate PCB, control box, panel, still include module positioner and scalable magnet device, LED display module assembly drain pan, lamp plate PCB installs on LED display module assembly drain pan, scalable magnet device install in the back of LED display module assembly drain pan; at least one module positioning device is arranged on the bottom shell of the LED display module. The utility model discloses a through set up scalable magnet on the frame, enable the module through exogenic action and toward retreating, have and make inner arc concatenation position produce great gap, greatly make things convenient for the beneficial effect of LED display screen front maintenance.

Description

Front maintenance LED display screen box and display screen thereof

Technical Field

The utility model belongs to the technical field of the LED display screen, concretely relates to front maintenance LED display screen box and display screen thereof.

Background

In practical application, in order to adapt to some special application scenes, the existing LED display screen can be installed and fixed after two adjacent box bodies rotate according to a preset angle by using an arc splicing mode frequently. The booth is apart from the product because of the LED lamp pearl very little with the distance at module border, so after the adjacent box concatenation inner arc, it is very big to maintain the degree of difficulty, causes the border LED lamp pearl of adjacent LED display module group very easily to damage because of colliding with to need maintain LED display screen from the front. In addition, the LED display screen is maintained by disassembling and assembling, so that the time is wasted, the efficiency is low, the cost is high, the flatness of the LED display screen is easy to deteriorate, or bright and dark lines of the display screen appear, and the display quality is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a front maintenance LED display screen box and display screen thereof is in order to solve above-mentioned technical problem.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a front maintenance LED display screen box, which comprises an LED display module, a frame, a box body, a panel, a module positioning device and a telescopic magnet device;

the LED display module comprises LED lamp beads and at least one lamp panel PCB, a plurality of LED lamp beads are mounted on the lamp panel PCB, at least one LED display module is fixedly mounted on the frame, and at least one panel is mounted below each LED display module;

the frame comprises a peripheral frame and a frame bottom surface, the panel is positioned above the frame bottom surface, the upper end of the telescopic magnet device is connected with the panel, the bottom end of the telescopic magnet device is installed on the frame bottom surface, and the edge of the at least one LED display module is fixed on the frame;

the telescopic magnet device comprises a telescopic magnet, a stainless iron sheet, a telescopic rod and a spring, wherein the stainless iron sheet is arranged on the back surface of the panel; the spring is sleeved outside the telescopic rod, one end of the spring is connected with the magnet in an abutting mode, the other end of the spring is connected with the bottom surface of the frame in an abutting mode, and when the spring is in a natural state, the telescopic magnet is located at the highest position;

the box body comprises at least one LED display module, the panel and the frame;

the frame surrounds at least one LED display module assembly, module positioner one end is connected lamp plate PCB, module positioner's the other end is connected the panel, and the position corresponds each other.

In some embodiments, the front maintenance LED display screen box further comprises at least one control box for controlling the at least one LED display module; the bottom surface of the frame and the peripheral frame surround the frame; the control box is installed between the bottom surface of the frame and the panel.

In some embodiments, the retractable magnet assembly further comprises a magnet sleeve, a retractable rod limiting flange; scalable magnet is installed in the magnet cover, magnet cover one end is connected the telescopic link, the magnet cover is used for fixed magnet, the magnet cover is installed on the telescopic link, the telescopic link is used for supporting scalable magnet, the telescopic link is connected one telescopic link flange, telescopic link flange joint frame bottom surface, telescopic link flange is used for the restriction scalable magnet's flexible stroke, the outside cover of telescopic link is one the spring, spring one end with the magnet cover supports the top and is connected, the spring other end with the frame bottom surface supports the top and is connected, the spring is when natural state scalable magnet is in the highest position.

In some embodiments, the module positioning device comprises a module positioning column and a module positioning hole;

the module positioning columns are correspondingly connected with the module positioning holes and used for ensuring the position precision; the module positioning hole is located on the bottom surface of the frame, and the module positioning column is located on the bottom shell of the LED display module and correspondingly connected with the module positioning hole.

In some embodiments, the frame comprises at least one said retractable magnet arrangement; the bottom surface of the frame is provided with a module positioning hole corresponding to the module positioning column, and the bottom surface of the frame is also provided with at least one module step hole for the telescopic magnet in the telescopic magnet device to slide up and down.

In some embodiments, the front maintenance LED display screen box according to any embodiment of the present application is characterized in that the LED display module is connected to the stainless iron sheet and fixed on the bottom surface of the frame by an adsorption effect of the retractable magnet;

when external force is applied to the surface of the LED display module corresponding to the box body to be maintained, the external force is transmitted to the telescopic magnet device, so that the telescopic magnet and the LED display module retreat, a gap is formed in the inner arc splicing position of the LED display module, and the gap is used for maintenance.

The utility model also provides a front maintenance LED display screen box, which comprises an LED display module and a frame as well as an LED display module bottom shell and a split type telescopic magnet device;

the split type telescopic magnet device comprises a telescopic positioning device and a module magnetic suction device;

the module magnetic suction device comprises a stainless iron sheet, a magnet and a magnet sleeve; the LED display module is connected with the stainless iron sheet, and is adsorbed on the lamp panel PCB through the magnet, and the magnet is arranged in the magnet sleeve and is fixed in the bottom shell of the LED display module through the magnet sleeve;

the telescopic positioning device comprises a telescopic rod, a spring, a telescopic rod limiting flange and a screw; the screw is arranged on the back of the bottom shell of the LED display module and used for fixing the telescopic positioning device; the telescopic rod is used for supporting the telescopic positioning device, the top end of the telescopic rod is connected with the bottom shell of the LED display module through a screw, the spring is sleeved outside the telescopic rod, the telescopic rod is used for limiting the telescopic stroke of the spring, the bottom end of the telescopic rod is connected with a telescopic rod limiting flange, one end of the spring is connected with the bottom shell of the LED display module in a propping manner, and the other end of the spring is connected with the bottom surface of the frame in a propping manner, so that the telescopic magnet can be located at the highest position when the spring is in a natural state;

one end of the telescopic positioning device is connected with the bottom surface of the frame, and the other end of the telescopic positioning device is connected with the bottom shell of the LED display module.

In some embodiments, the LED display device further comprises a control box for controlling the at least one LED display module;

the bottom surface of the frame and the peripheral frame surround the frame; the control box is installed between the bottom surface of the frame and the panel.

An embodiment of the utility model provides a LED display screen is still provided, the LED display screen includes any embodiment of this application the front maintenance LED display screen box, the front maintenance LED display screen box have two at least.

The front maintenance LED display screen box that this application embodiment provided adopts scalable magnet, and magnet with adjacent module and absorption module is back to during the maintenance, has and to make and to wait to maintain and produce great gap, the beneficial effect of being convenient for maintain between LED display module and the adjacent box. The utility model has the advantages that the telescopic magnets are arranged on the frame, the module can move back under the action of external force, so that a larger gap is formed at the splicing position of the inner arc, and the maintenance of the LED display screen is greatly facilitated; the LED display module has the beneficial effects that the LED display module at the inner arc splicing position is maintained from the front part; when the LED display module assembly of position is spliced to the inner arc in the front is maintained, can greatly reduce because of maintaining the risk that the display module assembly leads to the lamp pearl to damage, can effectual reduction maintain the degree of difficulty, improve and maintain the effect, reduce and even avoid because of maintaining the secondary damage that brings for the LED display module assembly to have the beneficial effect that improves maintenance efficiency, practice thrift the maintenance cost.

Drawings

FIG. 1a is a schematic view of a front maintenance LED display screen box provided in the present application;

FIG. 1b is a schematic enlarged partial view of a front maintenance LED display screen box according to the present disclosure;

FIG. 2 is a schematic view of a maintenance configuration of a front maintenance LED display screen box provided by the present application;

FIG. 3 is a schematic structural diagram of an LED display module according to the present application;

FIG. 4 is a schematic structural diagram of an LED display module according to the present application;

FIG. 5 is a schematic front view of a frame of a front maintenance LED display screen box provided in the present application;

FIG. 6 is a schematic frame diagram of a front maintenance LED display screen box provided in the present application;

FIG. 7 is a schematic cross-sectional view of a front maintenance LED display screen case provided in the present application;

fig. 7b is a schematic cross-sectional view of a retractable magnet device and a positioning device of a front maintenance LED display screen box according to the present application;

fig. 7c is a schematic cross-sectional view of another retractable magnet device and a stabilizing device of a front maintenance LED display screen box provided in the present application.

In the above figures, the LED display module 1, the box 17, the left box 17a, the right box 17b, the left LED display module 1a, the right LED display module 1b, the frame 2, the left frame 2a, the right frame 2b, the LED lamp bead 3, the module positioning post 6, the stainless steel sheet 7, the LED display module bottom case 8, the lamp panel PCB9, the telescopic rod 10, the spring 11, the telescopic magnet 12, the control box 13, the panel 14, the magnet housing 15, the telescopic rod flange 16, the module positioning hole 18, the module step hole 19, the inner arc splicing position 20, the telescopic magnet device 21a, the telescopic magnet device 21b, the telescopic magnet device 21c, the telescopic magnet device 21d, the module positioning device 22a, the module positioning device 22b, the frame bottom 71, the LED display module 90, the frame 91, the screw 92, the LED display module bottom case 93, the telescopic rod 94, the spring 95, the telescopic rod limiting flange 96, the stainless iron sheet 97', the magnet 98 and the magnet sleeve 99.

Detailed Description

In order to make the above objects, features and advantages of the present invention more clearly understood, the present invention will be described in detail with reference to the accompanying drawings and detailed description. In addition, the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

As shown in fig. 1, 4, 5, 6 and 7a, fig. 1a is a schematic view of a front maintenance LED display screen box provided in the present application; FIG. 1b is a schematic enlarged partial view of a front maintenance LED display screen box according to the present disclosure;

the utility model provides a front maintenance LED display screen box, the front maintenance LED display screen box includes, LED display module 1, frame 2, box 17, panel 14, module positioner 22, its characterized in that, still includes scalable magnet device 21;

the LED display module 1 comprises LED lamp beads 3 and at least one lamp panel PCB9, the LED lamp beads 3 are mounted on a lamp panel PCB9 (as shown in figures 3 and 4), at least one LED display module 1 is fixedly mounted on the frame 2, and at least one panel 14 (as shown in figure 6) is mounted below each LED display module 1; the lamp panel PCB9 (as shown in fig. 3 and 4) comprises a plurality of LED lamp bead 3 arrays.

The frame 2 comprises a peripheral frame and a frame bottom 71, the panel 14 is located above the frame bottom 71, the upper end of the retractable magnet device 21 (shown in fig. 7a) is connected to the panel 14, the bottom end of the retractable magnet device 21 is connected to the frame bottom 71, and the edge of the at least one LED display module 1 is fixed to the frame 2;

the telescopic magnet device 21 comprises a telescopic magnet 12, a stainless iron sheet 7, a telescopic rod 10 and a spring 11, wherein the stainless iron sheet 7 is connected with the back surface of the panel 14 (drawing needs to be added); the spring 11 is sleeved outside the telescopic rod 10, one end of the spring 11 is connected with the magnet in an abutting mode, and the other end of the spring 11 is connected with the bottom face 71 of the frame in an abutting mode; when the spring 11 is in a natural state, the telescopic magnet 12 is at the highest position;

the box body comprises at least one LED display module 1, the panel 14 and the frame 2;

the frame 2 surrounds the at least one LED display module 1, module positioner 22 (as in fig. 7a) one end is connected the lamp plate PCB9, module positioner 22's the other end is connected on the panel 14, and the position corresponds each other.

As shown in fig. 7a, the bottom surface 71 of the frame is respectively provided with a retractable magnet device 21a, a retractable magnet device 21b, a retractable magnet device 21c, a retractable magnet device 21d, a module positioning device 22a, and a module positioning device 22 b; the left LED display module 1 is provided with a telescopic magnet device 21a, a telescopic magnet device 21b and a module positioning device 22a, and the left LED display module 1 is in a pressed state; the right LED display module 1 to which the retractable magnet device 21c, the retractable magnet device 21d and the module positioning device 22b are attached is in a normal state where it is not pressed.

In some embodiments, as shown in fig. 4 and 5, the front maintenance LED display screen box 17 further includes at least one control box 13 (shown in fig. 5) for controlling the at least one LED display module 1; in fig. 5, the frame bottom 71 and the surrounding frame enclose the frame 2.

As shown in fig. 5 and 6, the control box 13 is installed between the frame bottom face 71 and the panel 14.

In some embodiments, as shown in fig. 7a and 7b, the retractable magnet assembly 21 includes a magnet sleeve 15, a retractable rod stop flange 16; the stainless iron sheet 7 is mounted on the back of the bottom shell 8 (shown in fig. 3 and 4) of the LED display module; specifically, one surface of the stainless iron sheet 7 is connected to the bottom case 8 of the LED display module, and the other surface is connected to the retractable magnet 12 (as shown in fig. 7 b), and the retractable magnet 12 is installed in the magnet sleeve 15; 15 one end of magnet cover is connected telescopic link 10, magnet cover 15 be used for with scalable magnet 12 is fixed on the telescopic link 10, telescopic link 10 is used for supporting scalable magnet 12, telescopic link 10 connects one telescopic link flange 16, telescopic link flange 16 connects frame bottom surface 71, telescopic link flange 16 is used for the restriction scalable stroke of scalable magnet 12, telescopic link 10 outside cover is one spring 11, spring 11 one end with magnet cover 15 supports the top and is connected, the spring 11 other end with frame bottom surface 71 supports the top and is connected, makes spring 11 is when natural state scalable magnet 12 can be in the highest position.

In some embodiments, as shown in fig. 4, 5 and 7b, the module positioning device 22 includes the module positioning posts 6 (shown in fig. 4) and the module positioning holes 18 (shown in fig. 5). The module positioning columns are correspondingly connected with the module positioning holes to ensure the position precision. Specifically, each module positioning column is provided with a corresponding module positioning hole; the module positioning hole 18 is located on the bottom surface 71 of the frame, and the module positioning post 6 is located on the bottom shell 8 of the LED display module and correspondingly connected to the module positioning hole 18.

In some embodiments, as shown in fig. 5 and 7b, said frame 2 comprises, at least, one of said telescopic magnet devices 21 (as shown in fig. 7 a); the bottom surface 71 (shown in fig. 5) of the frame is provided with a module positioning hole 18 corresponding to the module positioning post 6 (shown in fig. 7 b), and the bottom surface 71 of the frame is further provided with at least one module stepped hole for allowing the retractable magnet 12 in the retractable magnet device 21 (shown in fig. 7a) to slide up and down.

In some embodiments, as shown in fig. 4, 5, 7a and 7b, the LED display module 1 comprises a LED display module bottom case 8, a lamp panel PCB9, the retractable magnet device 21 (shown in fig. 7 a);

the LED display module 1 is connected with the stainless iron sheet 7 and is fixed on the bottom surface 71 of the frame through the adsorption effect of the telescopic magnet 12; the corresponding connection of the module positioning posts 6 (shown in fig. 7 b) and the module positioning holes 18 (shown in fig. 7 b) is used to ensure the position accuracy;

when an external force is applied to the surface of the LED display module 1 corresponding to the box body to be maintained, the external force is transmitted to the retractable magnet 12 of the retractable magnet device 21, so that the retractable magnet 12 and the LED display module 1 move back, and a large gap is generated at an inner arc splicing position 20 (shown in fig. 1a and fig. 2) of the LED display module, and the gap is used for maintenance.

For example, as shown in fig. 2 and 7b, the right frame encloses a right box 17b, and the right box 17b includes two LED display modules, namely a left LED display module 1a and a right LED display module 1 b; specifically, the right frame surrounds the left LED display module 1a of the box body and the right frame surrounds the right LED display module 1b of the box body; in the case that maintenance is not required, the whole state of the box body 2b formed by the right frame in a surrounding way is flat, and the box body 2a formed by the left frame in a surrounding way is flat as shown in fig. 2; when the LED display screen needs to be maintained, an external force is applied to the surface of the left LED display module 1a of the box body formed by surrounding the right frame, and the external force is transmitted to the telescopic magnet 12 of the telescopic magnet device 21, so that the telescopic magnet 12 and the left LED display module 1a of the box body formed by surrounding the right frame move back, a large gap is generated at the inner arc splicing position 20 (shown in fig. 1a and fig. 2) of the LED display module, and the gap is used for maintenance.

As shown in fig. 7c, an embodiment of the present invention further provides another front maintenance LED display screen box, where the front maintenance LED display screen box includes, in any embodiment of the present application, the LED display module, a frame, and the front maintenance LED display screen box further includes a LED display module bottom shell 93 and a split type retractable magnet device;

the split type telescopic magnet device comprises a telescopic positioning device and a module magnetic suction device;

the module magnetic suction device comprises a stainless iron sheet 97, a magnet 98 and a magnet sleeve 99; the LED display module 1 is connected with the stainless iron sheet 97, and is adsorbed on the lamp panel PCB9 through the magnet 98, and the magnet 98 is arranged in the magnet sleeve 99 and is fixed in the LED display module bottom shell 93 through the magnet sleeve 99;

specifically, the lower surface of the LED display module 90 is connected to the stainless iron sheet 97, specifically, the LED display module 90 includes a lamp panel PCB9 connected to the upper surface of the stainless iron sheet 97, the lower surface of the stainless iron sheet 97 is connected to the LED display module bottom case 93, and the LED display module 90 is fixed on the LED display module bottom case 93 by the attraction of the magnet 98; the magnet 98 is placed in the magnet sleeve 99, the magnet sleeve 99 is embedded in the bottom shell 93 of the LED display module, and the magnet sleeve 99 is used for fixing the magnet 98; one end of the module magnetic suction device is fixed on the lamp panel PCB, and the other end of the module magnetic suction device is fixed on the bottom shell 93 of the LED display module and corresponds to the LED display module in position;

specifically, as shown in fig. 1 and 7c, the LED display module 90 includes LED lamp beads and at least one lamp panel PCB9, the LED lamp beads 3 are mounted on the lamp panel PCB9, the at least one LED display module 1 is fixedly mounted on the frame 2, an LED display module bottom case 93 is connected below each LED display module 90, the frame 2 includes a peripheral frame and a frame bottom face 71, and the LED display module bottom case 93 is located above the frame bottom face 71;

the upper end of the telescopic positioning device is mounted on the bottom shell 93 of the LED display module, the bottom end of the telescopic positioning device is provided with a telescopic rod limiting flange 96, the telescopic rod limiting flange 96 is connected with the bottom surface 71 of the frame, the edge of at least one LED display module 90 is fixed on the frame 91, the box body comprises at least one LED display module 90, the bottom shell 93 of the LED display module and the frame 91, and the frame 91 surrounds the at least one LED display module 90;

the telescopic positioning device comprises a telescopic rod 94, a spring 95, a telescopic rod limiting flange 96 and a screw 92; the screw 92 is mounted on the back of the bottom shell 93 of the LED display module to fix the retractable positioning device; the telescopic link 94 is used for supporting scalable positioner, the top of telescopic link 94 is passed through screw 92 and is connected LED display module assembly drain pan 93, the outside cover of telescopic link 94 is one spring 95, telescopic link 94 is used for restricting the flexible stroke of spring 95, telescopic link flange 96 is connected to telescopic link 94 bottom, spring 95 one end with LED display module assembly drain pan 93 supports to push up to be connected, the spring 95 other end with frame bottom surface 71 supports to push up to be connected, makes spring 95 when natural state scalable magnet can be in the highest position.

Specifically, in some embodiments, at least one panel 14 (shown in fig. 6) is replaced by an LED display module bottom shell 93, and at this time, one end of the module magnetic attraction device is connected to the lamp panel PCB, and the other end of the module magnetic attraction device is connected to the LED display module bottom shell 93;

one end of the telescopic positioning device is connected with the bottom surface 71 of the frame, and the other end of the telescopic positioning device is connected with the bottom shell 93 of the LED display module; the module positioning device 22 (shown in fig. 7a) of the above embodiment is not needed, but only the retractable positioning device is used for positioning.

Through this embodiment, inhale the quantity of device through increasing the module magnetism, when more conveniently carrying out the front maintenance to the LED display screen, still have the beneficial effect that the LED display screen in making the maintenance produced bigger gap at inner arc concatenation position, and still have the stability that can improve the LED display screen in maintaining through the position that sets up scalable positioner and quantity, make the LED display screen after the maintenance more smooth beneficial effect, can be applicable to the front maintenance of large-scale LED display screen and box.

In some embodiments, as shown in fig. 5 and fig. 7c, the other front maintenance LED display screen box further includes a control box 13 for controlling the at least one LED display module 90;

the bottom surface of the frame and the peripheral frame surround the frame; the control box is installed between the bottom surface of the frame and the panel.

In some embodiments, the control box 13 is installed between the at least one lamp panel PCB and the LED display module bottom case 93; and the lamp panel PCB is fixedly arranged above the bottom shell 93 of the LED display module.

An embodiment of the utility model provides a LED display screen is still provided, the LED display screen includes two at least arbitrary embodiments the front maintenance LED display screen box.

Through using this embodiment the LED display screen, have easy maintenance, quick, the lamp pearl loss is low, and the lamp plate is more level and more smooth after the maintenance to make display effect clearer, the bright dark line of display screen takes place the beneficial effect that the probability is lower.

An embodiment of the utility model provides a maintenance method of front maintenance LED display screen box is still provided, maintenance method is through using scalable magnet device carries out the front maintenance of LED display screen box, maintenance method includes:

step S100, determining a box body 17 needing to be maintained in at least one LED display module;

specifically, when the box 17 is used normally, the magnet is always in the highest position state by being released by the elastic force of the spring 11, so that the LED display module is also in a highest position state.

Step S120, applying external force to the surface of the LED display module corresponding to the box body needing to be maintained;

specifically, as shown in fig. 2, the right casing 17b and the left casing 17a shown in fig. 2 need to be maintained, and an external force is applied to the surface of the left LED display module 1a of the right casing 17 b; the right box body 17b comprises a left LED display module 1a, a right LED display module 1b and a right frame 2 b; the left box 17a includes a left frame 2a and a corresponding LED display module.

Step S130, the external force is transmitted to a telescopic magnet of the telescopic magnet device, and the telescopic magnet and the LED display module move back through a compression spring;

specifically, the LED display module comprises at least one sub LED display module which can retreat by applying external force; for example, the LED display module 1 includes a sub LED display module 1a and a sub LED display module 1 b.

Step S140, generating a gap at the inner arc splicing position of the LED display module;

specifically, as shown in fig. 2, the inner arc splicing position 20, which is the inner arc splicing position of the LED display module, generates a large gap.

And S150, maintaining the LED display module through the gap.

By using the maintenance method of the embodiment, the loss of the lamp beads in the maintenance process can be reduced, the LED display module or the box body is not required to be disassembled and assembled, the maintenance efficiency is improved, and the cost is reduced.

In some embodiments, when using an LED display screen comprising the split retractable magnet arrangement for front maintenance, the differences in the method steps used are as follows:

specifically, when the box is used normally, the LED display module 90 is always in the highest position state due to the release of the elastic force of the spring 95, so the LED display module 90 is also in the highest position state;

will external force transmits the scalable positioner of at least one split type scalable magnet device, through compression spring 95 for LED display module assembly 90 is toward retreating to inhale the device through at least one module and make magnet 98 adsorb LED display module assembly 90, the state that LED display module assembly 90 retreated lasts, thereby makes LED display module assembly's inner arc concatenation position produces great gap, the gap is used for right LED display module assembly 90 maintains.

In some embodiments, the LED display cabinet comprises at least one retractable magnet assembly, and further comprises at least one retractable positioning assembly and/or at least one modular magnetic attachment assembly. According to the embodiment, the LED display screen is firmer and has higher flatness, the operation is simple and convenient in the front maintenance process, the stability of the display module and the box body of the large LED display screen is improved in the front maintenance process, and larger gaps can be obtained for front maintenance.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims (9)

1. A front maintenance LED display screen box body comprises an LED display module, a frame, a box body, a panel and a module positioning device, and is characterized by further comprising a telescopic magnet device;

the LED display module comprises LED lamp beads and at least one lamp panel PCB, a plurality of LED lamp beads are mounted on the lamp panel PCB, at least one LED display module is fixedly mounted on the frame, and at least one panel is mounted below each LED display module;

the frame comprises a peripheral frame and a frame bottom surface, the panel is positioned above the frame bottom surface, the upper end of the telescopic magnet device is connected with the panel, the bottom end of the telescopic magnet device is installed on the frame bottom surface, and the edge of the at least one LED display module is fixed on the frame;

the telescopic magnet device comprises a telescopic magnet, a stainless iron sheet, a telescopic rod and a spring, wherein the stainless iron sheet is arranged on the back surface of the panel;

the box body comprises at least one LED display module, the panel and the frame;

the frame surrounds at least one LED display module assembly, module positioner one end is connected lamp plate PCB, module positioner's the other end is connected the panel, and the position corresponds each other.

2. The front-maintenance LED display screen box body according to claim 1, further comprising at least one control box for controlling the at least one LED display module; the bottom surface of the frame and the peripheral frame surround the frame; the control box is installed between the bottom surface of the frame and the panel.

3. The front maintenance LED display screen box of claim 1, wherein the retractable magnet assembly further comprises a magnet sleeve, a retractable rod limiting flange; scalable magnet is installed in the magnet cover, magnet cover one end is connected the telescopic link, the magnet cover is used for fixed magnet, the magnet cover is installed on the telescopic link, the telescopic link is used for supporting scalable magnet, the telescopic link is connected one telescopic link flange, telescopic link flange joint frame bottom surface, telescopic link flange is used for the restriction scalable magnet's flexible stroke, the outside cover of telescopic link is one the spring, spring one end with the magnet cover supports the top and is connected, the spring other end with the frame bottom surface supports the top and is connected, the spring is when natural state scalable magnet is in the highest position.

4. The front-maintenance LED display screen box body of claim 1, wherein the module positioning device comprises module positioning posts and module positioning holes;

the module positioning columns are correspondingly connected with the module positioning holes and used for ensuring the position precision; the module positioning hole is located on the bottom surface of the frame, and the module positioning column is located on the bottom shell of the LED display module and correspondingly connected with the module positioning hole.

5. The front maintenance LED display screen box of claim 1, wherein the frame comprises at least one of the retractable magnet assemblies; the module positioning device comprises a module positioning column and a module positioning hole, the module positioning hole corresponding to the module positioning column is arranged on the bottom surface of the frame, and at least one module stepped hole for the telescopic magnet in the telescopic magnet device to slide up and down is further arranged on the bottom surface of the frame.

6. The front maintenance LED display screen box body according to any one of claims 1 to 5, wherein the LED display module is connected with the stainless iron sheet and fixed on the bottom surface of the frame through the adsorption effect of the telescopic magnet;

when external force is applied to the surface of the LED display module corresponding to the box body to be maintained, the external force is transmitted to the telescopic magnet device, so that the telescopic magnet and the LED display module retreat, a gap is formed in the inner arc splicing position of the LED display module, and the gap is used for maintenance.

7. A front maintenance LED display screen box body, the front maintenance LED display screen box body comprises the LED display module set of any one of claims 1-6, a frame, and is characterized by further comprising an LED display module set bottom shell and a split type telescopic magnet device;

the split type telescopic magnet device comprises a telescopic positioning device and a module magnetic suction device;

the module magnetic suction device comprises a stainless iron sheet, a magnet and a magnet sleeve; the LED display module is connected with the stainless iron sheet, and is adsorbed on the lamp panel PCB through the magnet, and the magnet is arranged in the magnet sleeve and is fixed in the bottom shell of the LED display module through the magnet sleeve;

the telescopic positioning device comprises a telescopic rod, a spring, a telescopic rod limiting flange and a screw; the screw is arranged on the back of the bottom shell of the LED display module and used for fixing the telescopic positioning device; the telescopic rod is used for supporting the telescopic positioning device, the top end of the telescopic rod is connected with the bottom shell of the LED display module through a screw, the spring is sleeved outside the telescopic rod, the telescopic rod is used for limiting the telescopic stroke of the spring, the bottom end of the telescopic rod is connected with a telescopic rod limiting flange, one end of the spring is connected with the bottom shell of the LED display module in a propping manner, and the other end of the spring is connected with the bottom surface of the frame in a propping manner, so that the telescopic magnet can be located at the highest position when the spring is in a natural state;

one end of the telescopic positioning device is connected with the bottom surface of the frame, and the other end of the telescopic positioning device is connected with the bottom shell of the LED display module.

8. The front-maintenance LED display screen box body of claim 7, further comprising a control box for controlling the at least one LED display module;

the bottom surface of the frame and the peripheral frame surround the frame; the control box is installed between the bottom surface of the frame and the panel.

9. An LED display screen, comprising the front maintenance LED display screen box body of any one of claims 1 to 6, wherein the number of the front maintenance LED display screen box bodies is at least two.

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