LED display screen structure capable of being unfolded and spliced

Abstract

The utility model discloses an LED display screen structure capable of being unfolded and spliced, which comprises a display screen mounting plate, and the display screen mounting plate comprises a first splicing plate and a second splicing plate which are in sliding connection with each other; an unfolding assembly is arranged in the middle of the surface of the first splicing plate and the middle of the surface of the second splicing plate and comprises a mounting base fixedly connected with the first splicing plate, the mounting base is rotationally connected with one end of a threaded rod, and the end, away from the mounting base, of the threaded rod is rotationally connected with a connecting block. The connecting block is slidably connected with a sliding groove formed in the surface of the second jointed board, the threaded rod is sleeved with a threaded sliding sleeve in a threaded mode, the two sides of the threaded sliding sleeve are fixedly connected with connecting rods, and the other ends of the connecting rods are fixedly connected with the surface of the second jointed board. By increasing the installation surface during the installation of the display screen, the use number of the installation frames is reduced, so that the installation time is shortened.

Description

Technical Field

[0001] The utility model relates to the technical field of LED display screens, in particular to an LED display screen structure that can be expanded and spliced. Background Art

[0002] In order to ensure the reliability of the LED display screen, the mounting frame is basically assembled on site, and then the LED display units are installed one by one. However, there is a significant problem that the assembly speed is slow, and as the length of the LED display screen changes in various ways, the width of the mounting frame with a fixed width after splicing cannot adapt to LED displays of various sizes.

[0003] Publication No. CN212617375U discloses a structure of an expandable and spliced ​​LED display screen, which includes: a display unit, a locking device, and a display screen of the display unit that is rotatably connected, which can be folded into a whole during transportation, and can be unfolded to a plane to form an integrated display unit during splicing, and then the adjacent display screens are locked by the locking device to ensure that the display unit is always on the same plane when in use, and maintain a stable position relationship, and the assembly and recycling speed thereof is very fast; therefore, the technical means of combining the rotatable and foldable display unit with the locking device of this device overcomes the technical problem of slow assembly speed of the expandable and spliced ​​LED display screen, and achieves the technical effect of convenient, fast and stable assembly, but the patent still has the following problems in actual use:

[0004] The above-mentioned device is composed of several LED display screens of fixed sizes, resulting in the overall length of the spliced ​​display screen being of a specific size. It is unable to cope with the situation where the overall length of the display screen has different requirements in various occasions. The existing display screen is fixed by a mounting frame of fixed size. To facilitate the transportation of the mounting frame, the mounting frame itself will not be too large, so that a large number of mounting frames are required when splicing, which increases the transportation burden of the mounting frame.

[0005] An expandable and spliced ​​LED display screen structure is proposed to solve the above-mentioned problems. Utility Model Content

[0006] The purpose of the utility model is to provide an expandable and splicable LED display screen structure to solve the problem that the above-mentioned device proposed in the above-mentioned background technology cannot cope with the situation that the overall length of the display screen has different requirements in various occasions. The existing display screen is fixed by a mounting frame of fixed size. In order to facilitate the transportation of the mounting frame, the mounting frame itself will not be too large, so that a large number of mounting frames are required when splicing, which increases the transportation burden of the mounting frame.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an expandable and spliced ​​LED display screen structure, comprising a display screen mounting plate, wherein the display screen mounting plate comprises a first splicing plate and a second splicing plate that are slidably connected to each other;

[0008] An unfolding assembly is provided at the middle of the surfaces of the first and second panels, the unfolding assembly includes a mounting seat fixedly connected to the first panel, the mounting seat is rotatably connected to one end of a threaded rod, the end of the threaded rod away from the mounting seat is rotatably connected to a connecting block, the connecting block is slidably connected to a sliding groove opened on the surface of the second panel, the external thread sleeve of the threaded rod is provided with a threaded sleeve, the two sides of the threaded sleeve are fixedly connected to connecting rods, and the other end of the connecting rod is fixedly connected to the surface of the second panel;

[0009] Wherein, the edges of the first panel and the second panel are provided with splicing mechanisms.

[0010] Preferably, the sliding grooves are symmetrically distributed on both sides of the threaded rod, the threaded rod passes through the mounting seat and is fixedly connected to a first gear, the outer side of the first gear is meshingly connected to a second gear, and the second gear is rotatably mounted on the surface of the first puzzle board.

[0011] Preferably, a wrench opening is provided in the middle of the second gear, and the wrench opening can be plugged into an L-shaped wrench.

[0012] Preferably, a movable groove is provided inside the first panel, and the movable groove is slidably connected to the second panel.

[0013] Preferably, the splicing mechanism includes semi-circular plates symmetrically fixed to the side of the first panel and the second panel away from each other and to the top and bottom of the first panel, and the two semi-circular plates at the edges of the first panel and the second panel of the different display screen mounting plates can be spliced ​​into a complete circle.

[0014] Preferably, a limiting slide groove is provided inside the semicircular plate, a limiting slide is slidably connected in the limiting slide groove, the limiting slide extends out from the inner side of the semicircular plate and is fixedly connected to the semicircular plate, a crank is fixedly connected to the outer side of the limiting slide, and the crank is slidably connected to the semicircular plate.

[0015] Preferably, a through hole is provided on the crank, a latch is connected through the through hole, and the latch is plugged into positioning holes provided on the first and second panels, and the initial positions of the cranks on the first and second panels are different.

[0016] Compared with the prior art, the beneficial effects of the utility model are as follows: the LED display screen structure that can be expanded and spliced ​​increases the installation surface when the display screen is installed, and reduces the number of installation frames used relative to the installation frames whose sizes cannot be changed, thereby reducing the installation time, and because the area of ​​a single display screen installation plate can be changed, the device can use a variety of display screens of different sizes, thereby increasing practicality. The specific contents are as follows:

[0017] 1. By inserting the L-shaped wrench into the wrench mouth and then rotating the second gear to rotate the first gear, the threaded sleeve drives the second panel to slide and move away from the first panel, and finally the display screen mounting plate is unfolded, thereby increasing the mounting surface of the display screen. Compared with the mounting frame whose size cannot be changed, the number of mounting frames used is reduced, thereby reducing the installation time. Moreover, since the area of ​​a single display screen mounting plate can be changed, the device can use display screens of various sizes, thereby increasing practicality.

[0018] 2. By docking the first panel and the second panel of different display screen mounting panels, and then simultaneously toggling the two cranks to make the limit slide slide in the limit slide groove, the limit slide slides from the limit slide groove in one semicircular panel to the limit slide groove in another semicircular panel; ultimately, different display screen mounting panels can be quickly docked, saving installation time and simplifying installation operations. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the back structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the structure when the display screen mounting plate is spliced;

[0021] Figure 3 for Figure 2 Schematic diagram of the enlarged structure of the middle B area;

[0022] Figure 4 for Figure 1 Schematic diagram of the enlarged structure of the A area in the middle;

[0023] Figure 5 It is a schematic diagram of the cross-sectional structure of the second puzzle board and the first puzzle board.

[0024] In the figure: 1. display screen mounting plate; 101. first puzzle board; 102. second puzzle board; 2. unfolding assembly; 201. mounting base; 202. threaded rod; 203. connecting block; 204. sliding groove; 205. first gear; 206. second gear; 207. wrench opening; 208. threaded sleeve; 209. connecting rod; 210. movable groove; 3. splicing mechanism; 301. semicircular plate; 302. limiting sliding groove; 303. limiting sliding plate; 304. connecting semicircular plate; 305. crank; 306. through hole; 307. positioning hole; 308. latch. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the implementation regulations described are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments 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.

[0026] See also Figure 1-5 The utility model provides a technical solution: an expandable and spliced ​​LED display screen structure, comprising a display screen mounting plate 1, wherein the display screen mounting plate 1 comprises a first splicing plate 101 and a second splicing plate 102 which are slidably connected to each other;

[0027] An unfolding assembly 2 is provided in the middle of the surface of the first puzzle panel 101 and the second puzzle panel 102, and the unfolding assembly 2 includes a mounting seat 201 fixedly connected to the first puzzle panel 101, the mounting seat 201 is rotatably connected to one end of a threaded rod 202, and the end of the threaded rod 202 away from the mounting seat 201 is rotatably connected to a connecting block 203, and the connecting block 203 is slidably connected to a sliding groove 204 opened on the surface of the second puzzle panel 102, and the external thread sleeve of the threaded rod 202 is provided with a threaded sleeve 208, and connecting rods 209 are fixedly connected on both sides of the threaded sleeve 208, and the other end of the connecting rod 209 is fixedly connected to the surface of the second puzzle panel 102; when the second puzzle panel 102 moves, the connecting block 203 will slide in the sliding groove 204.

[0028] Wherein, the edges of the first puzzle board 101 and the second puzzle board 102 are provided with a splicing mechanism 3 .

[0029] The sliding grooves 204 are symmetrically distributed on both sides of the threaded rod 202. The threaded rod 202 passes through the mounting seat 201 and is fixedly connected to a first gear 205. The outer side of the first gear 205 is meshedly connected to a second gear 206. The second gear 206 is rotatably mounted on the surface of the first puzzle board 101.

[0030] A wrench opening 207 is provided in the middle of the second gear 206, and the wrench opening 207 can be plugged into an L-shaped wrench; the wrench opening 207 enables the L-shaped wrench to directly rotate the second gear 206, avoiding the first puzzle plate 101 or the second gear 206 from hindering the rotation of the L-shaped wrench, thereby increasing the smoothness of the L-shaped wrench rotation.

[0031] A movable groove 210 is provided inside the first puzzle board 101 , and the movable groove 210 is slidably connected to the second puzzle board 102 ; the movable groove 210 increases the stability of the second puzzle board 102 and the first puzzle board 101 when sliding.

[0032] The splicing mechanism 3 includes a semi-circular plate 301 symmetrically fixed to the side of the first puzzle panel 101 and the second puzzle panel 102 away from each other and the top and bottom of the first puzzle panel 101. The two semi-circular plates 301 on the edges of the first puzzle panel 101 and the second puzzle panel 102 of different display screen mounting plates 1 can be spliced ​​into a complete circle; the two semi-circular plates 301 on the top and bottom edges of the first puzzle panel 101 of the same display screen mounting plate 1 can also be spliced ​​into a complete circle.

[0033] A limiting slide groove 302 is provided inside the semicircular plate 301, and a limiting slide plate 303 is slidably connected inside the limiting slide groove 302. The limiting slide plate 303 extends out from the inner side of the semicircular plate 301 and is fixedly connected to a semicircular plate 304. A crank 305 is fixedly connected to the outer side of the limiting slide plate 303, and the crank 305 is slidably connected to the semicircular plate 301.

[0034] A through hole 306 is provided on the crank 305, and a latch 308 is connected to the through hole 306. The latch 308 is plugged into the positioning holes 307 provided on the first puzzle board 101 and the second puzzle board 102. The initial positions of the crank 305 on the first puzzle board 101 and the second puzzle board 102 are different; the initial positions of the crank 305 on the top side and the bottom side of the first puzzle board 101 are also different. The end of the latch 308 and the inside of the positioning hole 307 are both installed with magnets, and the magnets can adsorb the latch 308 to the inside of the positioning hole 307.

[0035] Working principle: Before using this expandable and spliced ​​LED display structure, you need to check the overall condition of the device to make sure it can work normally. Figure 1 - Figure 5As shown, when assembling the mounting frame, by inserting the L-shaped wrench into the wrench opening 207, and then rotating the second gear 206 to rotate the first gear 205, the threaded sleeve 208 drives the second panel 102 to slide and move away from the first panel 101, and finally the display screen mounting plate 1 is unfolded, increasing the mounting surface when the display screen is installed, and reducing the number of mounting frames used relative to the mounting frame whose size cannot be changed, thereby reducing the installation time, and because the area of ​​a single display screen mounting plate 1 can be changed, the device can use a variety of display screens of different sizes, increasing practicality;

[0036] When installing and splicing different display screen installation plates 1, the first panels 101 and the second panels 102 of different display screen installation plates 1 are docked, and then the two cranks 305 are toggled at the same time to make the limiting slide plate 303 slide in the limiting slide groove 302, so that the limiting slide plate 303 slides from the limiting slide groove 302 in one semicircular plate 301 into the limiting slide groove 302 in the other semicircular plate 301, and the connecting semicircular plate 304 will rotate and cover the joint between the first panel 101 and the second panel 102, at this time, the latch 308 can be inserted into the latch 308 through the through hole 306; finally, different display screen installation plates 1 can be quickly docked;

[0037] Furthermore, when the first panels 101 of different display screen mounting panels 1 are spliced ​​up and down, the display screen mounting panels 1 can be installed up and down by rotating the crank 305, thereby enabling the device to install a display screen with a larger area.

[0038] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. An expandable and splicable LED display screen structure, comprising a display screen mounting plate (1), wherein the display screen mounting plate (1) comprises a first splicing plate (101) and a second splicing plate (102) which are slidably connected to each other; It is characterized in that Also includes: An unfolding assembly (2) is provided in the middle of the surface of the first puzzle board (101) and the second puzzle board (102), and the unfolding assembly (2) includes a mounting seat (201) fixedly connected to the first puzzle board (101), the mounting seat (201) is rotatably connected to one end of a threaded rod (202), the end of the threaded rod (202) away from the mounting seat (201) is rotatably connected to a connecting block (203), the connecting block (203) is slidably connected to a sliding groove (204) provided on the surface of the second puzzle board (102), the external thread sleeve of the threaded rod (202) is provided with a threaded sleeve (208), and connecting rods (209) are fixedly connected to the two sides of the threaded sleeve (208), and the other end of the connecting rod (209) is fixedly connected to the surface of the second puzzle board (102); Wherein, the edges of the first panel (101) and the second panel (102) are provided with a splicing mechanism (3).

2. The expandable and spliced ​​LED display structure according to claim 1, characterized in that: The sliding groove (204) is symmetrically distributed on both sides of the threaded rod (202); the threaded rod (202) passes through the mounting seat (201) and is fixedly connected to a first gear (205); the outer side of the first gear (205) is meshingly connected to a second gear (206); and the second gear (206) is rotatably mounted on the surface of the first puzzle board (101).

3. The expandable and spliced ​​LED display structure according to claim 2, characterized in that: A wrench opening (207) is provided in the middle of the second gear (206), and the wrench opening (207) can be plugged into an L-shaped wrench.

4. The expandable and spliced ​​LED display structure according to claim 1, characterized in that: A movable groove (210) is provided inside the first puzzle board (101), and the movable groove (210) is slidably connected to the second puzzle board (102).

5. The expandable and spliced ​​LED display structure according to claim 1, characterized in that: The splicing mechanism (3) comprises semicircular plates (301) symmetrically fixed to the side of the first panel (101) and the second panel (102) that are away from each other and the top and bottom sides of the first panel (101), and the two semicircular plates (301) at the edges of the first panel (101) and the second panel (102) of the display screen mounting plate (1) can be spliced ​​into a complete circle.

6. The expandable and spliced ​​LED display structure according to claim 5, characterized in that: A limiting sliding groove (302) is provided inside the semicircular plate (301), a limiting sliding plate (303) is slidably connected inside the limiting sliding groove (302), the limiting sliding plate (303) extends out of the inner side of the semicircular plate (301) and is fixedly connected to a connecting semicircular plate (304), a crank (305) is fixedly connected to the outer side of the limiting sliding plate (303), and the crank (305) is slidably connected to the semicircular plate (301).

7. The expandable and spliced ​​LED display structure according to claim 6, characterized in that: The crank (305) is provided with a through hole (306), a latch (308) is connected through the through hole (306), and the latch (308) is plugged into positioning holes (307) provided on the first puzzle board (101) and the second puzzle board (102), and the initial positions of the crank (305) on the first puzzle board (101) and the second puzzle board (102) are different.

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