LED display screen

Abstract

An LED display screen comprises a display screen body and a positioning frame body, a mounting groove is formed in the positioning frame body, the display screen body is arranged in the mounting groove, one side of the display screen body is attached to a limiting panel, positioning stand columns are correspondingly arranged at the corners of the limiting panel, at least two first guide plates are arranged on one side of the positioning frame body, and the first guide plates are arranged in the mounting groove. One end of the positioning stand column sequentially penetrates through a first mounting through hole in the positioning frame body, a limiting gasket and a second mounting through hole in the first guide plate and then is in threaded connection with a limiting nut, a limiting spring arranged on the positioning stand column in a sleeving mode is arranged between the limiting gasket and the positioning frame body, and a first guide groove is formed in the bottom of the first guide plate; a second guide plate is arranged in the first guide groove, slides along the first guide groove and is positioned through a positioning assembly, and the second guide plate is rotationally installed on the damping assembly. The installation height and angle of the LED display screen can be adjusted according to needs, and meanwhile the LED display screen can be protected.

Description

Technical Field

[0001] The present invention relates to the technical field of display screens, and particularly relates to an LED display screen. Background Art

[0002] LED display screens are often used in various exhibitions to introduce exhibition activities. Currently, LED display screens are usually installed at corresponding positions in the exhibition hall through fixed mounting frames, which are not convenient for adjusting the installation height and angle of the LED display screen according to actual needs; moreover, when the exhibition site is crowded and there are many exhibitors, the LED display screen is likely to be collided. Once it topples, it will not only cause damage to itself, but also seriously hurt the surrounding people, thus affecting the normal progress of the exhibition. Summary of the Invention

[0003] The purpose of the present invention is to provide an LED display screen, which can effectively solve the technical problems mentioned in the background art.

[0004] To achieve the above purpose, the present invention provides the following technical solutions: An LED display screen includes a display screen body and also includes a positioning frame body. An installation groove is formed on the positioning frame body. The display screen body is arranged in the installation groove and one side is attached to the limiting panel. Positioning columns are correspondingly arranged at the corners of the limiting panel. At least two first guide plates are arranged on one side of the positioning frame body. One end of the positioning column sequentially passes through the first installation through hole on the positioning frame body, the limiting gasket, and the second installation through hole on the first guide plate and is then threadedly connected with a limiting nut. A limiting spring sleeved on the positioning column is arranged between the limiting gasket and the positioning frame body. A first guiding groove is formed at the bottom of the first guide plate. A second guide plate is arranged in the first guiding groove. The second guide plate slides along the first guiding groove and is positioned by a positioning component. The second guide plate is rotatably installed on a shock absorption component; The shock absorption component includes a support base, a shock absorption spring, and a support component. A moving sliding groove is formed on the upper end surface of the support base. A moving slider is arranged in the moving sliding groove. One end of the moving slider is connected to a guiding column. One end of the guiding column passes through the installation through hole on the moving sliding groove. The shock absorption spring is sleeved on the guiding column and its two ends respectively abut against the moving slider and the inner wall of the moving sliding groove; The support component includes a first support plate and a second support plate both having an arc-shaped structure. The bottom of the first support plate is provided with an installation base, an arc-shaped adjustment groove is formed at the top, and an adjustment screw hole is formed on the side wall. The installation base is arranged on the moving slider. The second support plate slides along the arc-shaped adjustment groove. A plurality of positioning holes are distributed on the side wall. A positioning bolt passes through the adjustment screw hole and then extends into the positioning hole. One end of the second support plate is provided with a limiting component for limiting the first guide plate.

[0005] Preferably, the limit assembly includes a limit frame, a fixed limit block and a sliding limit block. The limit frame is provided with a clearance groove, one end of which is connected to the second support plate, and limiting bosses are respectively provided on both sides of the other end. The two limiting bosses are respectively attached to the two side walls of the first guide plate, and the inner and outer walls of the limiting bosses are respectively provided with sliding limit blocks and fixed limit blocks.

[0006] Preferably, a first slide groove is provided on the inner wall of the give way groove, a second slide groove is provided on the top of the limit frame, a sliding limit block and a second limit slider are respectively provided in the first slide groove and the second slide groove, the first limit slider is connected to the second limit slider, a threaded through hole is provided on the side wall of the second slide groove, a limit bolt is provided in the threaded through hole, and the limit bolt is adjusted to make the second limit slider slide along the second slide groove until the sliding limit block is pushed to extend to one side of the first guide plate.

[0007] Preferably, the sliding limit block and the fixed limit block are respectively attached to the inner and outer walls of the limit boss.

[0008] Preferably, the positioning assembly includes an adjusting bolt and a sliding block, a side wall of the first guide plate is provided with a second guide groove connected to the first guide groove, a first stop block is provided at the bottom, one end of the sliding block passes through the second guide groove and is installed on the second guide plate, a second stop block is provided above the first stop block, two positioning blocks that are engaged with the first guide plate are provided between the first stop block and the second stop block, a first fixing block is provided on one side of the positioning block, and a second fixing block is provided on the other side, the threaded grooves on the two first fixing blocks cooperate to form a first screw hole, the upper end of the adjusting bolt passes through the first screw hole and the second screw hole on the sliding block in sequence, and the second fixing blocks on the two positioning blocks are connected by a fastening bolt.

[0009] Preferably, a sliding groove is provided on the second guide plate, one end of the sliding block passes through the sliding groove and is connected to the limit stopper, a third screw hole is provided on the side wall, the limit screw pin passes through the third screw hole and both ends extend out of the third screw hole.

[0010] Preferably, the limiting screw pin and the limiting stopper are respectively attached to the two side walls of the first guide plate, and the upper and lower surfaces of the positioning block are respectively attached to the first stopper and the second stopper.

[0011] Preferably, a plurality of adjusting screw holes are distributed on the side wall of the first support plate, and the positioning holes are distributed at equal intervals on the side wall of the second support plate.

[0012] Preferably, a rotating pin shaft is provided at the bottom of the second guide plate. Both ends of the rotating pin shaft are respectively arranged on a fixed support, and the fixed support is connected to the moving slider.

[0013] Compared with the prior art, the beneficial effects of the present invention are as follows: When the LED display screen of the present invention is collided, the display screen body will move towards the first guide plate along with the positioning frame body, the limiting panel and the positioning column. At the same time, the limiting spring will gradually contract to reduce the impact force received by the present invention, and the limiting gasket will further dampen the vibration to reduce the violent movement of the display screen body; when the impact force received by the present invention is too large, the positioning frame body will slide along the moving chute together with the first guide plate and the moving slider, and the shock-absorbing spring will gradually contract under the action of the moving slider, which can effectively avoid the phenomenon that the LED display screen topples due to excessive force, and is beneficial to improving the installation safety of the present invention; when it is necessary to adjust the height of the display screen body, the second guide plate can be slid along the first guide groove on the first guide plate to the corresponding position, and then adjust the adjusting bolt so that the upper end of the adjusting bolt sequentially passes through the first screw hole formed by the threaded grooves on the two first fixing blocks and the second screw hole on the sliding block, so as to prevent relative sliding between the second guide plate and the first guide plate; when installing the positioning component, only need to snap the two positioning blocks onto the first guide plate between the first stop block and the second stop block, and then connect the second fixing blocks on the two positioning blocks through fastening bolts. At this time, after the threaded grooves on the two first fixing blocks are combined into the first screw hole, the adjusting bolt can be inserted into the first screw hole; When it is necessary to adjust the angle of the LED display screen, the second guide plate can be rotated to the corresponding position. At the same time, the second support plate slides along the arc-shaped adjustment groove on the first support plate and positions the first support plate and the second support plate through the positioning bolt. The installation base can be connected to the moving slider through bolts; when installing the support component, the limiting bosses on both sides of the limiting frame body are respectively attached to the two side walls of the first guide plate, the outer wall of the limiting boss is attached to the fixed limiting block, and adjust the limiting bolt so that the second limiting slider slides along the second chute until the sliding limiting block is pushed to extend to one side of the first guide plate; the present invention can adjust the installation height and angle of the LED display screen according to needs, and is beneficial to protecting the LED display screen. Description of the Drawings

[0014] Figure 1 is the first perspective view of an LED display screen in an embodiment of the present invention; Figure 2 is the second perspective view of an LED display screen in an embodiment of the present invention; Figure 3 is the installation diagram of the first guide plate in an embodiment of the present invention; Figure 4It is a schematic structural diagram of the positioning frame body in the embodiment of the present invention; Figure 5 It is a schematic structural diagram of the positioning component in the embodiment of the present invention; Figure 6 It is a schematic structural diagram of the support component in the embodiment of the present invention; Figure 7 is Figure 6 a partial enlarged schematic diagram of A in In the figure, 1. display body, 2. positioning frame body, 3. installation groove, 4. limit panel, 5. positioning column, 6. first guide plate, 7. limit gasket, 8. limit nut, 9. limit spring, 10. second guide plate, 11. support base, 12. shock-absorbing spring, 13. moving chute, 14. moving slider, 15. guiding column, 16. first support plate, 17. second support plate, 18. installation base, 19. arc adjustment groove, 20. adjustment screw hole, 21. positioning hole, 22. positioning bolt, 23. limit frame body, 24. fixed limit block, 25. sliding limit block, 26. relief groove, 27. limit boss, 28. first chute, 29. second chute, 30. limit pin, 31. second limit slider, 32. limit bolt, 33. adjustment bolt, 34. sliding block, 35. second guide groove, 36. first stop block, 37. second stop block, 38. positioning block, 39. first fixing block, 40. second fixing block, 41. fixed support, 42. limit stop block, 43. limit pin. Detailed implementation manners

[0015] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0016] Please refer to Figures 1-7As shown, an LED display screen comprises a display screen body 1 and a positioning frame 2, the positioning frame 2 is provided with a mounting groove 3, the display screen body 1 is arranged in the mounting groove 3 and one side is attached to a limiting panel 4, the corners of the limiting panel 4 are correspondingly provided with positioning columns 5, one side of the positioning frame 2 is provided with at least two first guide plates 6, one end of the positioning column 5 passes through the first mounting through hole on the positioning frame 2, the limiting gasket 7 and the second mounting through hole on the first guide plate 6 in sequence and then is threadedly connected with a limiting nut 8, a limiting spring 9 sleeved on the positioning column is provided between the limiting gasket 7 and the positioning frame 2, a first guide groove is provided at the bottom of the first guide plate 6, a second guide plate 10 is provided in the first guide groove, the second guide plate 10 slides along the first guide groove and is positioned by the positioning assembly, and the second guide plate 10 is rotatably installed on the shock absorbing assembly; When the LED display screen of the present invention is hit, the display screen body 1 will move toward the first guide plate 6 along with the positioning frame 2, and the limit spring 9 will gradually shrink to reduce the impact force received by the present invention, and the limit gasket will further reduce the shock to reduce the violent movement of the display screen body 1; The shock absorbing assembly includes a support base 11, a shock absorbing spring 12 and a support assembly. The upper end surface of the support base 11 is provided with a movable slide groove 13, and a movable slider 14 is provided in the movable slide groove 13. One end of the movable slider 14 is connected to a guide column 15, and one end of the guide column 15 passes through a mounting through hole on the movable slide groove 13. The shock absorbing spring sleeve 12 is provided on the guide column 15, and the two ends thereof are respectively in contact with the movable slider 14 and the inner wall of the movable slide groove 13. The support assembly includes a first support plate 16 and a second support plate 17, both of which are arc-shaped structures. A mounting base 18 is provided at the bottom of the first support plate 16, an arc-shaped adjustment groove 19 is opened at the top, and an adjustment screw hole 20 is provided on the side wall. The mounting base 18 is arranged on the movable slider 14, and the second support plate 17 slides along the arc-shaped adjustment groove 19. A plurality of positioning holes 21 are distributed on the side wall. The positioning bolts 22 pass through the adjusting screw holes 20 and extend into the positioning holes 21. A limiting assembly for limiting the first guide plate 6 is provided at one end of the second support plate 17.

[0017] The limiting assembly includes a limiting frame 23, a fixed limiting block 24 and a sliding limiting block 25. The limiting frame 23 is provided with a clearance groove 26, one end of which is connected to the second support plate 17, and two sides of the other end are respectively provided with limiting bosses 27. The two limiting bosses 27 are respectively attached to the two side walls of the first guide plate 6, and the inner and outer walls of the limiting bosses 27 are respectively provided with a sliding limiting block 25 and a fixed limiting block 24; A first slide groove 28 is provided on the inner wall of the give way groove 26, and a second slide groove 29 is provided on the top of the limit frame 23. A sliding limit block 25 and a second limit slider 31 are respectively provided in the first slide groove 28 and the second slide groove 29. The sliding limit block 25 is connected to the second limit slider 31. A threaded through hole is provided on the side wall of the second slide groove 29. A limit bolt 32 is provided in the threaded through hole. The limit bolt 32 is adjusted to make the second limit slider 31 slide along the second slide groove 29 until the first limit slider 30 is pushed to extend to one side of the first guide plate 6. The sliding limit block 25 and the fixed limit block 24 are respectively attached to the inner and outer walls of the limit boss 27; The positioning assembly includes an adjusting bolt 33 and a sliding block 34. A second guide groove 35 connected to the first guide groove is provided on the side wall of the first guide plate 6. A first stopper 36 is provided at the bottom. One end of the sliding block 34 passes through the second guide groove 35 and is installed on the second guide plate 10. A second stopper 37 is provided above the first stopper 36. Two positioning blocks 38 engaged with the first guide plate 6 are provided between the first stopper 36 and the second stopper 37. A first fixing block 39 is provided on one side of the positioning block 38, and a second fixing block 40 is provided on the other side. The threaded grooves on the two first fixing blocks 39 cooperate to form a first screw hole. The upper end of the adjusting bolt 33 passes through the first screw hole and the second screw hole on the sliding block 34 in sequence. The second fixing blocks 40 on the two positioning blocks 38 are connected by a fastening bolt. When installing the positioning assembly, it is only necessary to engage the two positioning blocks 38 on the first guide plate 6 between the first block 36 and the second block 37, and then connect the second fixing blocks 40 on the two positioning blocks 38 by fastening bolts. At this time, after the thread grooves on the two first fixing blocks 39 are matched to form a first screw hole, the adjusting bolt 33 can be inserted into the first screw hole. The second guide plate 10 is provided with a sliding groove, one end of the sliding block 34 passes through the sliding groove and is connected to the limit stopper 42, a third screw hole is provided on the side wall, the limit screw pin 30 is passed through the third screw hole and both ends extend out of the third screw hole; The limiting screw pin 30 and the limiting stopper 42 are respectively attached to the two side walls of the first guide plate 6, and the upper and lower surfaces of the positioning block 38 are respectively attached to the first stopper 36 and the second stopper 37; A plurality of adjusting screw holes 20 are distributed on the side wall of the first support plate 16, and the positioning holes 21 are distributed at equal intervals on the side wall of the second support plate 17; A rotating pin is disposed at the bottom of the second guide plate 10 , and both ends of the rotating pin are respectively disposed on a fixed support 41 , and the fixed support 41 is connected to the moving slider 14 .

[0018] When the LED display screen of the present invention is collided, the display screen body 1 will move towards the first guide plate 6 along with the positioning frame body 2, the limiting panel 4 and the positioning column 5. At the same time, the limiting spring 9 will gradually contract to reduce the impact force received by the present invention, and the limiting gasket 7 will further dampen the vibration to reduce the violent movement of the display screen body; when the impact force received by the present invention is too large, the positioning frame body 2 will slide along the moving chute 13 together with the first guide plate 6 and the moving slider 14, and the shock-absorbing spring 12 will gradually contract under the action of the moving slider 14, which can effectively avoid the phenomenon that the LED display screen topples due to excessive force, and is beneficial to improving the installation safety of the present invention; when it is necessary to adjust the height of the display screen body 1, the second guide plate 10 can be slid along the first guide groove on the first guide plate 6 to the corresponding position, and then adjust the adjusting bolt 33 so that the upper end of the adjusting bolt 33 sequentially passes through the first screw hole formed by the threaded grooves on two first fixing blocks 39 and the second screw hole on the sliding block 34, thereby preventing relative sliding between the second guide plate 10 and the first guide plate 6; When it is necessary to adjust the angle of the LED display screen, the second guide plate 10 can be rotated to the corresponding position. At the same time, the second support plate 17 slides along the arc-shaped adjustment groove 19 on the first support plate 16 and positions the first support plate 16 and the second support plate 17 through the positioning bolt 22. The mounting base 18 can be bolted to the moving slider 14; when installing the support assembly, the limiting bosses 27 on both sides of the limiting frame body 23 are respectively attached to the two side walls of the first guide plate 6, the outer wall of the limiting boss 27 is attached to the fixed limiting block 24, and the limiting bolt 32 is adjusted so that the second limiting slider 31 slides along the second chute 29 until the sliding limiting block 25 is pushed to extend to one side of the first guide plate 6; the present invention can adjust the installation height and angle of the LED display screen as needed, and is beneficial to protecting the LED display screen.

[0019] The above content is only an example and illustration of the structure of the present invention. Those skilled in the art of this technology can make various modifications or supplements to the described specific embodiments or use similar methods to replace them. As long as they do not deviate from the structure of the present invention or exceed the scope defined by this claim book, they should all belong to the protection scope of the present invention.

Claims

1. An LED display screen, comprising a display screen body, characterized in that: It also includes a positioning frame, the positioning frame is provided with a mounting groove, the display screen body is arranged in the mounting groove and one side is attached to the limiting panel, the corners of the limiting panel are correspondingly provided with positioning posts, at least two first guide plates are provided on one side of the positioning frame, one end of the positioning post passes through the first mounting through hole on the positioning frame, the limiting gasket and the second mounting through hole on the first guide plate in sequence and then is threadedly connected to the limiting nut, a limiting spring sleeved on the positioning post is provided between the limiting gasket and the positioning frame, a first guide groove is provided at the bottom of the first guide plate, a second guide plate is provided in the first guide groove, the second guide plate slides along the first guide groove and is positioned by the positioning assembly, and the second guide plate is rotatably installed on the shock absorbing assembly; The shock absorbing assembly comprises a support base, a shock absorbing spring and a support assembly, wherein the upper end surface of the support base is provided with a movable slide groove, wherein a movable slider is provided in the movable slide groove, wherein one end of the movable slider is connected to a guide column, wherein one end of the guide column passes through a mounting through hole on the movable slide groove, wherein the shock absorbing spring is sleeved on the guide column and the two ends thereof are respectively in contact with the movable slider and the inner wall of the movable slide groove; The support assembly includes a first support plate and a second support plate, both of which are arc-shaped structures. A mounting base is provided at the bottom of the first support plate, an arc-shaped adjustment groove is opened at the top, and an adjustment screw hole is provided on the side wall. The mounting base is provided on a movable slider. The second support plate slides along the arc-shaped adjustment groove. A plurality of positioning holes are distributed on the side wall. The positioning bolts pass through the adjusting screw holes and extend into the positioning holes. A limiting assembly for limiting the first guide plate is provided at one end of the second support plate.

2. The LED display screen according to claim 1, characterized in that: The limit assembly includes a limit frame, a fixed limit block and a sliding limit block. The limit frame is provided with a clearance groove, one end of which is connected to the second support plate, and limiting bosses are respectively provided on both sides of the other end. The two limiting bosses are respectively attached to the two side walls of the first guide plate, and the inner and outer walls of the limiting bosses are respectively provided with a sliding limit block and a fixed limit block.

3. The LED display screen according to claim 2, characterized in that: A first slide groove is provided on the inner wall of the give way groove, and a second slide groove is provided on the top of the limit frame. A sliding limit block and a second limit slider are respectively provided in the first slide groove and the second slide groove. The first limit slider is connected to the second limit slider. A threaded through hole is provided on the side wall of the second slide groove, and a limiting bolt is provided in the threaded through hole. The limiting bolt is adjusted to make the second limit slider slide along the second slide groove until the sliding limit block is pushed to extend to one side of the first guide plate.

4. The LED display screen according to claim 3, characterized in that: The sliding limit block and the fixed limit block are respectively attached to the inner wall and the outer wall of the limit boss.

5. The LED display screen according to claim 1, characterized in that: The positioning assembly includes an adjusting bolt and a sliding block, a side wall of the first guide plate is provided with a second guide groove connected to the first guide groove, a first stop block is arranged at the bottom, one end of the sliding block passes through the second guide groove and is installed on the second guide plate, a second stop block is arranged above the first stop block, two positioning blocks that are engaged with the first guide plate are arranged between the first stop block and the second stop block, a first fixing block is arranged on one side of the positioning block, and a second fixing block is arranged on the other side, the threaded grooves on the two first fixing blocks cooperate to form a first screw hole, the upper end of the adjusting bolt passes through the first screw hole and the second screw hole on the sliding block in sequence, and the second fixing blocks on the two positioning blocks are connected by a fastening bolt.

6. The LED display screen according to claim 5, characterized in that: A sliding groove is provided on the second guide plate, one end of the sliding block passes through the sliding groove and is connected to the limit stopper, a third screw hole is provided on the side wall, the limit screw pin passes through the third screw hole and both ends extend out of the third screw hole.

7. The LED display screen according to claim 6, characterized in that: The limiting screw pin and the limiting stopper are respectively attached to the two side walls of the first guide plate, and the upper and lower surfaces of the positioning block are respectively attached to the first stopper and the second stopper.

8. The LED display screen according to claim 1, characterized in that: A plurality of adjusting screw holes are distributed on the side wall of the first supporting plate, and the positioning holes are distributed at equal intervals on the side wall of the second supporting plate.

9. The LED display screen according to claim 1, characterized in that: A rotating pin is disposed at the bottom of the second guide plate, and both ends of the rotating pin are respectively disposed on a fixed support, and the fixed support is connected to the movable slider.

10. The LED display screen according to claim 1, characterized in that: The positioning column and the limiting gasket are clearance-matched, and the limiting gasket is made of rubber material.

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