Anti-falling structure for backlight of vehicle-mounted liquid crystal display (LCD) screen

Abstract

The utility model discloses an anti-drop structure of vehicle-mounted LCD liquid crystal display screen backlight, which relates to the field of liquid crystal display screen backlight, and comprises a backlight assembly arranged on the lower side of a display screen plate, and further comprises a mounting frame plate, corner plates are fixedly connected to the corner positions of the lower side of the mounting frame plate, rotating plates are arranged on the lower sides of the four sets of corner plates, and the rotating plates are fixedly connected to the lower side of the mounting frame plate. Two groups of first connecting sleeve shells and two groups of second connecting sleeve shells are arranged on the lower surface of the display screen panel close to the middle of the periphery, two groups of first baffles and two groups of second baffles are arranged on the lower surface of the backlight assembly close to the periphery, and a rotating disc is rotationally connected to the middle of the lower surface of the backlight assembly; the anti-falling structure has the advantages that the situation that the backlight assembly and the liquid crystal display screen fall off due to the action of external force can be avoided, the anti-falling function is good, the installation stability of the backlight assembly and the liquid crystal display screen is improved, and the function of rapidly disassembling the anti-falling structure is achieved so that structural parts can be conveniently maintained.

Description

Technical Field

[0001] The utility model relates to the field of liquid crystal display screen backlights, in particular to an anti-falling structure of a vehicle-mounted LCD liquid crystal display screen backlight. Background Art

[0002] An in-vehicle LCD display is a display installed in a vehicle for displaying various information, including vehicle information, navigation, and entertainment. It displays various vehicle data, such as speed, fuel consumption, and mileage, as well as navigation maps and multimedia information, allowing drivers and passengers to more easily understand vehicle status and enjoy multimedia entertainment. As a key component of an LCD display, the backlight assembly typically requires a protective structure to ensure backlight stability.

[0003] After searching, the patent number is CN218037616U, which discloses an anti-falling structure for the backlight of an LCD display screen. It can effectively ensure the stable connection between the backlight assembly and the display assembly, ensure the stability of the overall structure, avoid the backlight assembly and the display assembly falling off and causing poor display, and ensure the normal use of the equipment. However, during use, the existing vehicle-mounted LCD display screen is prone to debonding between the LCD display screen and the backlight assembly due to external force, thereby causing the LCD display screen backlight to fall off, making the LCD display screen unable to work normally. Utility Model Content

[0004] The technical problem to be solved by the utility model is to provide an anti-falling structure for the backlight of a vehicle-mounted LCD liquid crystal display screen. During use, the existing vehicle-mounted LCD liquid crystal display screen is easily debonded between the LCD screen and the backlight assembly due to external force, thereby causing the backlight of the LCD screen to fall off, making the LCD screen unable to work normally.

[0005] In order to solve the above technical problems, the technical solution of the present invention is a vehicle-mounted LCD liquid crystal display backlight anti-falling structure, including a backlight assembly arranged on the lower side of the display panel, and also including a mounting frame plate, the lower corner positions of the mounting frame plate are fixedly connected with corner plates, and the lower sides of the four groups of corner plates are each provided with a rotating plate, and the lower surface of the display panel is provided with two groups of first connecting shells and two groups of second connecting shells near the middle position of the four sides, and the lower surface of the backlight assembly is provided with two groups of first baffles and two groups of second baffles near the four sides, and the middle position of the lower surface of the backlight assembly is rotatably connected with a rotating disk, and the outer side of the rotating disk is fixedly connected with four groups of card plates.

[0006] As a further solution of the present invention: the four groups of rotating plates are all fixedly connected with rotating rods, the four groups of corner plates are all provided with rotating grooves, and the four groups of rotating rods are respectively located on the inner sides of the four groups of rotating grooves.

[0007] As a further solution of the present invention: the cross-sectional shapes of the four groups of rotating plates are all fan-shaped, and the cross-sectional shapes of the four groups of corner plates are all L-shaped.

[0008] As a further solution of the present invention: connecting hinges are connected between the first baffle and the first connecting housing, and between the second baffle and the second connecting housing, and the rotation range of the two groups of first baffles and the two groups of second baffles is 0-90°.

[0009] As a further solution of the present invention: the two groups of the first baffles and the two groups of the second baffles are provided with a card slot at one end close to the rotating disk, and the four groups of card plates are respectively matched with the four groups of card slots.

[0010] As a further solution of the present invention: the lower surface of the display panel is fixedly connected to a connecting plate near the middle position of the four sides, the lower surface of the installation frame plate is penetrated by openings near the middle position of the four sides, the outer sides of the two groups of the first connecting shells and the two groups of the second connecting shells are penetrated by bolts, and the four groups of the connecting plates are penetrated by clamping holes.

[0011] As a further solution of the present invention: the four groups of connecting plates are respectively slidably connected to the mounting frame plates through the through openings, the four groups of clamping bolts are respectively clamped with the four groups of connecting plates through the clamping holes, and the four groups of connecting plates are respectively located on the inner sides of the two groups of first connecting sleeves and the two groups of second connecting sleeves.

[0012] The present invention adopts the above-mentioned technical solution, and has the following advantages compared with the existing technology: the mounting frame plate is installed on the lower surface of the display screen plate through four groups of connecting plates and four groups of through-holes. At this time, the four groups of corner plates are respectively located at the outer corners of the backlight assembly, and then the four groups of rotating plates are respectively located at the corners of the lower surface of the backlight assembly through the cooperation of the rotating rod and the rotating groove. Then, the two groups of first baffles and the two groups of second baffles are respectively rotated to a horizontal state through the connecting hinges, and the rotating disk is rotated so that the four groups of card plates are respectively located on the inner sides of the four groups of card slots, which can prevent the backlight assembly and the liquid crystal display screen from falling off due to external force, has a good anti-falling function, and improves the installation stability of the backlight assembly and the liquid crystal display screen.

[0013] By cooperating with the latches and the holes, the two groups of first connecting sleeves and the two groups of second connecting sleeves are separated from the four groups of connecting plates respectively, so that the two groups of first baffles and the two groups of second baffles can be removed. Then, the four groups of through openings cooperate with the four groups of connecting plates to enable the installation frame plate to be removed from the lower surface of the display panel, realizing the quick disassembly function of the anti-falling structure to facilitate the maintenance of the structural components. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic structural diagram of an anti-shedding structure for a vehicle-mounted LCD backlight according to an embodiment of the present invention;

[0015] Figure 2 This is a schematic diagram of the connection structure between the display panel and the backlight assembly in an embodiment of the present utility model;

[0016] Figure 3 This is a schematic diagram of the connection structure between the first baffle and the second baffle in an embodiment of the present utility model;

[0017] Figure 4 This is a bottom schematic diagram of an anti-falling structure for a vehicle-mounted LCD backlight in an embodiment of the present utility model.

[0018] In the figure: 1. display panel; 2. backlight assembly; 3. mounting frame; 4. corner plate; 5. rotation slot; 6. rotation plate; 7. rotation rod; 8. first connecting housing; 9. first baffle; 10. second connecting housing; 11. second baffle; 12. connecting hinge; 13. slot; 14. rotating disk; 15. clamping plate; 16. connecting plate; 17. through port; 18. clamping bolt; 19. clamping hole. DETAILED DESCRIPTION

[0019] The following further describes specific embodiments of the present invention in conjunction with the accompanying drawings. It should be noted that the descriptions of these embodiments are intended to aid understanding of the present invention and do not constitute limitations on the present invention. Furthermore, the technical features involved in the various embodiments of the present invention described below may be combined with one another as long as they do not conflict with one another.

[0020] Example 1, please refer to Figures 1-4, an anti-falling structure for the backlight of a vehicle-mounted LCD display screen, comprising a backlight assembly 2 arranged on the lower side of a display panel 1, and also comprising a mounting frame plate 3, the lower corner positions of the mounting frame plate 3 are fixedly connected with corner plates 4, and the lower sides of four groups of corner plates 4 are each provided with a rotating plate 6, two groups of first connecting shells 8 and two groups of second connecting shells 10 are respectively provided on the lower surface of the display panel 1 near the middle positions of the four sides, two groups of first baffles 9 and two groups of second baffles 11 are respectively provided on the lower surface of the backlight assembly 2 near the four sides, a rotating disk 14 is rotatably connected to the middle position of the lower surface of the backlight assembly 2, and four groups of card plates 15 are fixedly connected to the outer side of the rotating disk 14.

[0021] The four groups of rotating plates 6 are all fixedly connected with rotating rods 7 , the four groups of corner plates 4 are all provided with rotating grooves 5 , and the four groups of rotating rods 7 are respectively located on the inner sides of the four groups of rotating grooves 5 .

[0022] The cross-sectional shapes of the four groups of rotating plates 6 are all arranged in a fan shape, and the cross-sectional shapes of the four groups of corner plates 4 are all arranged in an L shape.

[0023] A connecting hinge 12 is connected between the first baffle 9 and the first connecting housing 8, and between the second baffle 11 and the second connecting housing 10, and the rotation range of the two groups of first baffles 9 and the two groups of second baffles 11 is 0-90 degrees.

[0024] The two groups of first baffles 9 and the two groups of second baffles 11 are each provided with a clamping slot 13 at one end close to the rotating disk 14 , and the four groups of clamping plates 15 are respectively matched with the four groups of clamping slots 13 .

[0025] In this embodiment, the four groups of clamping plates 15 and the four groups of clamping slots 13 cooperate to allow the two groups of first baffles 9 and the two groups of second baffles 11 to fit tightly against the lower surface of the backlight assembly 2 .

[0026] Specifically, the mounting frame plate 3 is installed on the lower surface of the display panel 1 through four groups of connecting plates 16 and four groups of through-holes 17. At this time, the four groups of corner plates 4 are respectively located at the outer corner positions of the backlight assembly 2, and then the four groups of rotating plates 6 are respectively located at the corner positions of the lower surface of the backlight assembly 2 through the cooperation of the rotating rod 7 and the rotating groove 5. Then, the two groups of first baffles 9 and the two groups of second baffles 11 are respectively rotated to a horizontal state through the connecting hinge 12, and the rotating disk 14 is rotated so that the four groups of card plates 15 are respectively located on the inner side of the four groups of card slots 13, which can prevent the backlight assembly 2 and the liquid crystal display from falling off due to external force, has a good anti-falling function, and improves the installation stability of the backlight assembly 2 and the liquid crystal display.

[0027] Example 2, please refer to Figures 1-4, an anti-falling structure for the backlight of a vehicle-mounted LCD display screen, wherein the lower surface of the display panel 1 is fixedly connected with a connecting plate 16 near the middle position of each of the four sides, the lower surface of the mounting frame plate 3 is penetrated with a through opening 17 near the middle position of each of the four sides, the outer sides of the two groups of first connecting shells 8 and the two groups of second connecting shells 10 are penetrated with a latch 18, and the four groups of connecting plates 16 are penetrated with a latch hole 19.

[0028] The four groups of connecting plates 16 are respectively slidably connected to the mounting frame plate 3 through the through openings 17 , and the four groups of clamping bolts 18 are respectively clamped with the four groups of connecting plates 16 through the clamping holes 19 , and the four groups of connecting plates 16 are respectively located on the inner sides of the two groups of first connecting housings 8 and the two groups of second connecting housings 10 .

[0029] In this embodiment, the two groups of first connecting housings 8 and the two groups of second connecting housings 10 are respectively connected to the four groups of connecting plates 16 through the cooperation of the locking bolts 18 and the locking holes 19 .

[0030] Specifically, by cooperating with the latch 18 and the latch hole 19, the two groups of first connecting shells 8 and the two groups of second connecting shells 10 are separated from the four groups of connecting plates 16 respectively, so that the two groups of first baffles 9 and the two groups of second baffles 11 can be removed, and then the four groups of through openings 17 cooperate with the four groups of connecting plates 16 to enable the mounting frame 3 to be removed from the lower surface of the display panel 1, realizing the quick disassembly function of the anti-falling structure to facilitate the maintenance of structural components.

[0031] The embodiments of the present invention are described in detail above with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It is apparent to those skilled in the art that various changes, modifications, substitutions, and variations to these embodiments may be made without departing from the principles and spirit of the present invention, and these changes and modifications still fall within the scope of protection of the present invention.

Claims

1. An anti-drop structure for a backlight of a vehicle-mounted LCD display screen, comprising a backlight assembly (2) arranged on the lower side of a display panel (1), characterized in that: The device also comprises an installation frame plate (3), wherein the lower corner positions of the installation frame plate (3) are fixedly connected to corner plates (4), and the lower sides of four groups of corner plates (4) are provided with rotating plates (6), and the lower surface of the display panel (1) is provided with two groups of first connection shells (8) and two groups of second connection shells (10) near the middle positions of the four sides, and the lower surface of the backlight assembly (2) is provided with two groups of first baffle plates (9) and two groups of second baffle plates (11) near the four sides, and the lower surface of the backlight assembly (2) is rotatably connected to a rotating disk (14) at the middle position, and the outer side of the rotating disk (14) is fixedly connected to four groups of clamping plates (15).

2. The anti-drop structure of the vehicle-mounted LCD display backlight according to claim 1, characterized in that: The four groups of rotating plates (6) are all fixedly connected with rotating rods (7), the four groups of corner plates (4) are all provided with rotating grooves (5), and the four groups of rotating rods (7) are respectively located on the inner sides of the four groups of rotating grooves (5).

3. The anti-drop structure of the vehicle-mounted LCD display backlight according to claim 2, characterized in that: The cross-sectional shapes of the four groups of rotating plates (6) are all arranged in a fan shape, and the cross-sectional shapes of the four groups of corner plates (4) are all arranged in an L shape.

4. The anti-drop structure of the vehicle-mounted LCD display backlight according to claim 1, characterized in that: A connecting hinge (12) is connected between the first baffle plate (9) and the first connecting sleeve (8), and between the second baffle plate (11) and the second connecting sleeve (10), and the rotation range of the two groups of first baffle plates (9) and the two groups of second baffle plates (11) is 0-90 degrees.

5. The anti-drop structure of the vehicle-mounted LCD backlight according to claim 4, characterized in that: The two groups of the first baffles (9) and the two groups of the second baffles (11) are both provided with a clamping groove (13) at one end close to the rotating disk (14), and the four groups of clamping plates (15) are respectively matched with the four groups of clamping grooves (13).

6. The anti-drop structure of the vehicle-mounted LCD backlight according to claim 1, characterized in that: The lower surface of the display panel (1) is fixedly connected to a connecting plate (16) near the middle of the four sides, the lower surface of the installation frame plate (3) is penetrated with a through hole (17) near the middle of the four sides, the outer sides of the two groups of the first connecting shells (8) and the two groups of the second connecting shells (10) are penetrated with a clamping bolt (18), and the four groups of the connecting plates (16) are penetrated with a clamping hole (19).

7. The anti-drop structure of the vehicle-mounted LCD display backlight according to claim 6, characterized in that: The four groups of connecting plates (16) are respectively slidably connected to the installation frame plate (3) through the through openings (17); the four groups of clamping bolts (18) are respectively clamped to the four groups of connecting plates (16) through the clamping holes (19); and the four groups of connecting plates (16) are respectively located on the inner sides of the two groups of first connecting shells (8) and the two groups of second connecting shells (10).

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