Indoor LED rolling screen

Abstract

The utility model discloses an indoor LED rolling screen. The indoor LED rolling screen comprises a display module, a connecting steel mesh and a pin header connecting belt. The display module comprises a mounting shell and a PCB (Printed Circuit Board) mounted on the front surface of the mounting shell; the connecting steel mesh is mounted between the mounting shell and the PCB, and the connecting steel mesh is used for connecting the mounting shells of a plurality of display modules together; the pin header connecting band is arranged on the back surface of the mounting shell and is used for electrically connecting the PCBs of the adjacent display modules; and the connecting steel mesh is made of a stainless steel material subjected to quenching treatment. The connecting steel mesh is made of the 65Mn spring steel material, and compared with a traditional stainless steel material, the strength is guaranteed, and meanwhile the folding resistance and the deformation resistance of the display screen are remarkably improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to display screen technical field especially relates to a LED screen of indoor use. BACKGROUND

[0002] With the continuous development of science and technology, LED display screen is more and more widely used in outdoor advertising, stage background, architectural decoration and other fields. The traditional LED display screen is mostly rigid structure, and its installation position and shape are greatly limited, which is difficult to meet the requirements of some special scenes on the shape and flexibility of the display screen. In recent years, LED display screen gradually rises, which can be curved, folded or coiled according to the needs, providing more possibilities for the application of display screen.

[0003] At present, most of the coiled LED display screens adopt steel mesh to connect multiple display modules together, but the steel mesh material is mostly 304 stainless steel, which has the problems of not being resistant to folding (the maximum number of bending is 1000), easy to deform, low strength, and relatively thick (about 0.3mm), therefore, it needs to be improved. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a LED screen of indoor use, the connecting steel mesh of the screen is made of 65Mn spring steel material, compared with the traditional stainless steel material, while ensuring the strength, the folding resistance and deformation resistance of the display screen are significantly improved.

[0005] To achieve the above-mentioned purpose, the following technical scheme is adopted:

[0006] A LED screen of indoor use, comprising display modules, connecting steel mesh and pin connection belt, the display module comprises a mounting shell and a PCB board mounted on the front of the mounting shell, the connecting steel mesh is installed between the mounting shell and the PCB board, and is used to connect the mounting shells of multiple display modules together, the pin connection belt is arranged on the back of the mounting shell, and is used to electrically connect the PCB boards of the display modules adjacent to each other, and the connecting steel mesh is made of quenched stainless steel material.

[0007] Further, the connecting steel mesh is made of 65Mn spring steel.

[0008] Further, the connecting steel mesh is arranged on the front of the mounting shell, and the front of the mounting shell is further connected with positioning columns, and the connecting steel mesh is provided with positioning holes corresponding to the positioning columns, and the connecting steel mesh is further provided with a plurality of hollow holes arranged along the length direction.

[0009] Further, the indoor LED screen further comprises a safety belt arranged on the back of the mounting shell and extending along the winding direction of the screen.

[0010] Further, the back of the mounting shell is further provided with a silica gel strip extending along the winding direction of the screen.

[0011] Further, the indoor LED screen further comprises a first clamping block, and the back of the mounting shell is further provided with a first connecting plate at both ends, and the first connecting plate is provided with a first clamping groove near the side of the other adjacent mounting shell; a first clamping hole is formed between the first clamping grooves of the two adjacent first connecting plates; the first clamping block is embedded in the first clamping hole, and the first clamping block is used to connect the end portions of the adjacent mounting shells to each other.

[0012] Further, the four side walls of the first clamping block are further provided with inclined surfaces inclined downward away from the inner wall of the first clamping hole.

[0013] Further, the back of the mounting shell is further provided with a clamping strip at both sides, and the opposite side of the two clamping strips is further provided with a clamping sliding groove along the length direction; the back of the mounting shell is further provided with a magnet at both ends, and the magnet is located between the two clamping strips.

[0014] Further, the back of the PCB is further coated with a fluorine nano coating.

[0015] The above scheme has the beneficial effects of the utility model:

[0016] 1) The connecting steel mesh of the utility model is made of 65Mn spring steel material, and the thickness only needs to be 0.15mm, so that the strength of the steel mesh made of stainless steel material before can be reached, the folding resistance and the anti-deformation ability of the display screen are significantly improved while the strength is ensured;

[0017] 2) The silica gel strip is further installed on the back of the mounting shell, the mounting shell and the PCB are separated when the display screen is wound, so that the PCB is prevented from being damaged, and the safety belt is further provided to prevent the screen from breaking and falling down, thereby improving the safety in use;

[0018] 3) The back of the PCB is coated with a fluorine nano coating, which has the functions of waterproof, dustproof and oil stain prevention, can effectively protect the circuit from the erosion of the external environment, reduce the short circuit or failure problem caused by dust, humidity and other factors, and thereby improve the service life of the display screen;

[0019] 4) When the display screen is used as a tile screen, the iron sheet arranged on the ground can be inserted into the clamping sliding groove, and the mounting shell is directly attracted to the iron sheet by the magnet, thereby improving the stability of the display screen. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 is a structural schematic view of a front view angle of the utility model;

[0021] Figure 2 is a structural schematic view of a back view angle of the utility model;

[0022] Figure 3 is Figure 2 is an enlarged schematic view of a partial structure;

[0023] Figure 4 is a structural schematic view of a first clamping block of the utility model;

[0024] Figure 5 is an enlarged structural schematic view of a front view angle of the utility model (omitting part of the PCB board);

[0025] Figure 6 is a structural schematic view of a connecting steel net of the utility model;

[0026] Figure 7 is a structural schematic view of a first clamping block, a first connecting plate and an iron sheet of the utility model;

[0027] Among them, the drawing mark explanation:

[0028] 1, display module; 2, pin connection belt; 3, connecting steel net; 4, iron sheet; 11, mounting shell; 12, PCB board; 111, positioning column; 112, safety belt; 113, fixed sheet; 114, silica gel strip; 115, first clamping block; 116, first connecting plate; 117, inclined surface; 118, clamping strip; 119, magnet. DETAILED DESCRIPTION

[0029] The utility model is in detail explained below in combination with the drawings and specific embodiments.

[0030] Referring to Figures 1 to 7 Fig. 1, the utility model provides a kind of indoor LED screen, and an embodiment includes display module 1, connecting steel net 3, pin connection belt 2;The display module 1 includes mounting shell 11, and the PCB board 12 installed in the front of mounting shell 11;Connecting steel net 3 is installed between mounting shell 11 and PCB board 12, and connecting steel net 3 is used to connect the mounting shell 11 of multiple display module 1 together;Pin connection belt 2 is arranged in the back of mounting shell 11, and pin connection belt 2 is used to electrically connect the PCB board 12 of display module 1 adjacent to each other;Connecting steel net 3 is made of quenched stainless steel material.

[0031] Continue to refer to Figures 1 to 7As shown, in this embodiment, the front surface of the mounting shell 11 is provided with a plurality of fixing holes, and the connecting steel net 3 is provided with corresponding screw holes at positions corresponding to the fixing holes, and the connecting steel net 3 is locked to the front surface of the mounting shell 11 by screws. In this embodiment, the connecting steel net 3 is made of 65Mn spring steel. 65Mn spring steel is a kind of high-strength alloy steel, which has high yield strength and tensile strength. This material can effectively resist external force while ensuring the structural strength of the display screen, thereby reducing the deformation caused by collision or extrusion. In addition, 65Mn spring steel has good elasticity and fatigue resistance after quenching, and can withstand more cycles without breaking when repeatedly bent or folded, compared with traditional 304 stainless steel. In this embodiment, the connecting steel net 3 made of 65Mn spring steel has a thickness of only 0.15mm, which can achieve the strength of the steel net made of stainless steel, while significantly improving the folding resistance and anti-deformation ability of the display screen.

[0032] Meanwhile, the connecting steel net 3 is arranged on the front surface of the mounting shell 11, and the front surface of the mounting shell 11 is further connected with positioning columns 111, and the connecting steel net 3 is provided with positioning holes corresponding to the positioning columns 111. The connecting steel net 3 is further provided with a plurality of hollow holes arranged along the length direction thereof. The positioning holes and the positioning columns 111 can be matched with each other to quickly assemble the connecting steel net 3, and the hollow holes can improve the flexibility of the connecting steel net 3 when bent, folded or curled, thereby avoiding stress concentration during deformation and improving the folding resistance and anti-deformation ability of the display screen. In addition, the hollow holes can also reduce the overall weight of the connecting steel net 3, and reduce the material usage of the connecting steel net 3, thereby reducing the production cost while ensuring the structural strength.

[0033] In an embodiment, the indoor LED screen also includes a safety belt 112 (made of a material similar to nylon sheet base belt, which is resistant to tension and wear), which is arranged on the back surface of the mounting shell 11 and extends along the curling direction of the screen. The back surface of the mounting shell 11 is further provided with a fixing sheet 113 for limiting and fixing the safety belt 112. The back surface of the mounting shell 11 is further provided with a silica gel strip 114, which extends along the curling direction of the screen. Due to the presence of the silica gel strip 114, the mounting shell 11 can be separated from the PCB 12 when the display screen is curled, thereby avoiding damage to the PCB 12. In addition, the safety belt 112 can prevent the screen from breaking and falling down, thereby improving the safety of use.

[0034] In an embodiment, the indoor LED screen further comprises a first clamping block 115; the back of the mounting shell 11 is further provided with a first connecting plate 116 at both ends, and the first connecting plate 116 is provided with a first clamping groove on the side close to the other adjacent mounting shell 11; a first clamping hole is formed between the first clamping grooves of the two adjacent first connecting plates 116; the first clamping block 115 is embedded in the first clamping hole, and the first clamping block 115 is used to connect the end portions of the adjacent mounting shells 11 together. In this embodiment, the first clamping groove is in a trapezoidal structure with a small opening size, the shape of the first clamping block 115 is matched with the first clamping hole, and the size of the first clamping block 115 is slightly larger than that of the first clamping hole; the first clamping block 115 is pressed into the first clamping hole by an external force and is fixed by a screw (a screw hole is formed in the first clamping block 115, and a corresponding hole is formed in the mounting shell 11 corresponding to the screw hole), so that the two adjacent mounting shells 11 can be seamlessly spliced together; meanwhile, in order to facilitate the smooth pressing of the first clamping block 115 into the first clamping hole, the four side walls of the first clamping block 115 are further provided with inclined surfaces 117 inclined downward away from the inner wall of the first clamping hole. In addition, in a feasible embodiment, the end portions of the adjacent mounting shells 11 can also be connected together by a whole fixing plate.

[0035] In an embodiment, the back of the mounting shell 11 is further connected with a clamping strip 118 on both sides, and a clamping sliding groove is formed in the opposite side of the two clamping strips 118 along the length direction; the back of the mounting shell 11 is further provided with a magnet 119 at both ends, and the magnet 119 is located between the two clamping strips 118. When the display screen is used as a floor tile screen, the iron sheet 4 arranged on the ground can be inserted into the clamping sliding groove, and the mounting shell 11 is directly adsorbed on the iron sheet 4 (the iron sheet 4 is also made of quenched 65Mn spring steel material) by the magnet 119, so as to improve the stability of the placement; meanwhile, the front of the PCB 12 is coated with GOB glue, which is 0.1mm higher than the lamp beads, and has the advantages of wear resistance, impact resistance, treading and protection of the lamp beads; the back of the PCB 12 is further coated with a fluorine nano coating, which has the functions of waterproof, moisture-proof, anti-static, dust-proof and oil-proof, can effectively protect the circuit from the erosion of the external environment, reduce the short circuit or failure problem caused by dust, moisture and other factors, and improve the service life of the display screen.

[0036] The above is only a preferred embodiment of the present application, and is not used to limit the present application, and any modification, equivalent replacement and improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. An indoor LED roll screen, characterized in that, The display module comprises a mounting shell and a PCB plate mounted on the front of the mounting shell; the connecting steel net is mounted between the mounting shell and the PCB plate, and is used to connect the mounting shells of the display modules to each other; the row pin connecting belt is arranged on the back of the mounting shell, and is used to electrically connect the PCB plates of the display modules adjacent to each other; and the connecting steel net is made of quenched stainless steel material.

2. The indoor LED roll screen according to claim 1, wherein, The connecting steel net is made of 65Mn spring steel.

3. The indoor LED roll screen according to claim 1, wherein, The connecting steel net is arranged on the front of the mounting shell; positioning columns are further connected to the two sides of the front of the mounting shell, positioning holes corresponding to the positioning columns are formed on the connecting steel net, and a plurality of hollow holes are further formed on the connecting steel net and are arranged at intervals along the length direction of the connecting steel net.

4. The indoor LED roll screen according to claim 1, wherein, The indoor LED screen further comprises a safety belt arranged on the back of the mounting shell and extending along the winding direction of the screen; and a fixing piece for limiting and fixing the safety belt is further mounted on the back of the mounting shell.

5. The indoor LED roll screen according to claim 4, wherein, A silica gel strip is further mounted on the back of the mounting shell and extends along the winding direction of the screen.

6. The indoor LED roll screen according to claim 1, wherein, The indoor LED screen further comprises a first clamping block; first connecting plates are further mounted on the two ends of the back of the mounting shell, and first clamping grooves are formed on the side of each first connecting plate close to the other adjacent mounting shell; a first clamping hole is formed between the first clamping grooves of the two adjacent first connecting plates; and the first clamping block is embedded in the first clamping hole, and is used to connect the end portions of the adjacent mounting shells to each other.

7. The indoor LED roll screen according to claim 6, wherein, Inclined surfaces are further formed on the four outer walls of the first clamping block and incline downward away from the inner wall of the first clamping hole.

8. The indoor LED roll screen according to claim 1, wherein, Clamping strips are further connected to the two sides of the back of the mounting shell, and clamping sliding grooves are further formed on the opposite sides of the two clamping strips along the length direction of the clamping strips; and magnets are further mounted on the two ends of the back of the mounting shell and are located between the two clamping strips.

9. The indoor LED roll screen according to claim 1, wherein, A fluorine nano coating is further coated on the back of the PCB plate.

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