A novel backlight module assembly

Abstract

This utility model relates to the field of liquid crystal display technology and discloses a novel backlight module assembly, including a housing: positioning devices are fixed at both ends inside the housing. This novel backlight module assembly, by placing a filter plate inside a fixed frame, pulling an elliptical plate outward to move a fixed post away from the fixed groove, and pulling a pull rod to move a trapezoidal block, the trapezoidal block pushes a sliding plate towards a connecting block. During this process, the fixed block enters the connecting groove, thus completing the connection between the fixed frame and the filter plate. Through this setup, the filter plate can effectively intercept and filter dust, particulate matter, and other impurities entering the housing, reducing contamination of the light guide plate and maintaining cleanliness. The fan, during airflow circulation, can discharge some dust through the filter plate. The combined effect of these two mechanisms helps reduce dust accumulation inside the housing, thereby extending its service life.

Description

Technical Field

[0001] This utility model relates to the field of liquid crystal display technology, and in particular to a novel backlight module assembly. Background Technology

[0002] Liquid crystal display (LCD) is a technology that utilizes the special photoelectric properties of liquid crystal materials to change the transmittance or reflectance of light by controlling the arrangement and rotation of liquid crystal molecules, thereby realizing image display. In the field of LCD technology, the backlight module is one of the key components and plays a vital role in the overall performance and display effect of the display device.

[0003] Regarding existing related technologies, the inventors believe that they often have the following drawbacks: Existing backlight module components usually accumulate a large amount of harmful dust and other debris inside after long-term use, which is difficult to clean, resulting in uneven light scattering and reflection, which in turn causes spots on the display screen, reduces the display effect, and even affects the normal operation of the components and reduces their service life. Utility Model Content

[0004] The technical problem to be solved by this utility model is that the existing backlight module components have the disadvantage that after long-term use, a large amount of dust will easily accumulate inside, which will reduce the display effect. Therefore, we propose a new type of backlight module component.

[0005] To achieve the above objectives, this application adopts the following technical solution: A novel backlight module assembly, comprising a housing: positioning devices are fixed at both ends inside the housing, a light guide plate is provided between the opposite surfaces of the positioning devices, two mounting brackets are fixed at the lower end inside the housing, a fan is installed inside the mounting brackets, multiple air holes are provided at both ends of the housing, a fixing frame is fixed at the upper end inside the housing, a filter plate is slidably connected inside the fixing frame, a fixing shell is fixed on one side of the fixing frame, a connecting block is fixed on one side of the filter plate, a through groove is provided on one side of the fixing shell, a pull rod is slidably connected inside the through groove, a top plate is fixed at one end of the pull rod, a trapezoidal block is provided inside the fixing shell, one side of the trapezoidal block is fixed to one end of the pull rod, a sliding plate is fixed at the bottom of the trapezoidal block, a fixing block is fixed at the bottom of the sliding plate, a connecting groove is provided inside the connecting block to cooperate with the fixing block, an elliptical plate is slidably connected to the surface of the pull rod, fixing posts are fixed at both ends of the elliptical plate, and two fixing grooves are provided at both ends of one side of the fixing shell to cooperate with the fixing posts.

[0006] Preferably, a first spring is slidably connected to the surface of the pull rod, one end of the first spring is fixed to the top plate, and the other end of the first spring is fixed to the connecting groove.

[0007] Preferably, guide blocks are fixed on both sides inside the fixed shell, and guide grooves that cooperate with the guide blocks are opened at both ends of the sliding plate.

[0008] Preferably, two second springs are fixed to the bottom of the sliding plate, the second springs are located on both sides of the fixed block, and the other end of the second spring is fixed to the inside of the fixed shell.

[0009] Preferably, limit blocks are fixed on both sides of the filter plate, and limit grooves that cooperate with the limit blocks are opened on both sides inside the fixing frame.

[0010] Preferably, a dust cover is fixed to the top of the mounting bracket, and the dust cover is located above the fan.

[0011] Preferably, multiple inclined fins are fixed at both ends of the housing, and the inclined fins are located on one side of the air vent.

[0012] The technical effects and advantages of this utility model are as follows:

[0013] In this invention, by placing the filter plate inside the fixed frame, pulling the elliptical plate outward causes the fixed column to leave the inside of the fixed groove, and pulling the pull rod causes the trapezoidal block to move. The trapezoidal block pushes the sliding plate towards the connecting block. During this process, the fixed block enters the inside of the connecting groove, thereby completing the connection between the fixed frame and the filter plate. Through the above setup, the filter plate can effectively intercept and filter dust, particulate matter, and other impurities entering the housing, reducing the contamination of the light guide plate by impurities and maintaining cleanliness. During the airflow circulation process, the fan can discharge some dust through the filter plate. The combined effect of these two processes helps to reduce the accumulation of dust inside the housing, thereby extending its service life. Attached Figure Description

[0014] The disclosure of this utility model is illustrated with reference to the accompanying drawings. It should be understood that the drawings are for illustrative purposes only and are not intended to limit the scope of protection of this utility model. In the drawings, the same reference numerals are used to refer to the same parts:

[0015] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0016] Figure 2 This is a schematic diagram of the internal structure of the shell of this utility model;

[0017] Figure 3 This is a schematic diagram of the fixed frame structure of this utility model;

[0018] Figure 4 This is a schematic diagram of the internal cross-sectional structure of the shell of this utility model.

[0019] Legend: 1. Housing; 2. Positioning device; 3. Light guide plate; 4. Mounting bracket; 5. Fan; 6. Air vent; 7. Fixing frame; 8. Filter plate; 9. Fixing shell; 10. Connecting block; 11. Through groove; 12. Tie rod; 13. Top plate; 14. Trapezoidal block; 15. Sliding plate; 16. Fixing block; 17. Connecting groove; 18. Elliptical plate; 19. Fixing column; 20. Fixing groove; 21. First spring; 22. Guide block; 23. Guide groove; 24. Second spring; 25. Limiting block; 26. Limiting groove; 27. Dust cover; 28. Inclined fin. Detailed Implementation

[0020] It is readily understood that, based on the technical solution of this utility model, those skilled in the art can propose various interchangeable structural methods and implementations without altering the essential spirit of this utility model. Therefore, the following detailed embodiments and accompanying drawings are merely illustrative descriptions of the technical solution of this utility model and should not be considered as the entirety of this utility model or as limitations or restrictions on the technical solution of this utility model.

[0021] Reference Figures 1-4As shown, this utility model provides a technical solution: a novel backlight module assembly, including a housing 1; positioning devices 2 are fixed at both ends inside the housing 1, and a light guide plate 3 is arranged between the opposite surfaces of the positioning devices 2; two mounting brackets 4 are fixed at the lower end inside the housing 1, and a fan 5 is installed inside the mounting brackets 4; multiple air holes 6 are opened at both ends of the housing 1; a fixing frame 7 is fixed at the upper end inside the housing 1; a filter plate 8 is slidably connected inside the fixing frame 7; a fixing shell 9 is fixed on one side of the fixing frame 7; a connecting block 10 is fixed on one side of the filter plate 8; a through groove 11 is opened on one side of the fixing shell 9; a pull rod 12 is slidably connected inside the through groove 11; a top plate 13 is fixed at one end of the pull rod 12; a trapezoidal block 14 is arranged inside the fixing shell 9; one side of the trapezoidal block 14 is fixed to one end of the pull rod 12; a sliding plate 15 is fixed at the bottom end of the trapezoidal block 14; a fixing block 16 is fixed at the bottom of the sliding plate 15; and a connecting block 10 is opened inside to cooperate with the fixing block 16. The connecting groove 17 is used, and the surface of the pull rod 12 is slidably connected to an elliptical plate 18. Both ends of the elliptical plate 18 are fixed with fixing posts 19. Two fixing grooves 20 are opened at both ends of one side of the fixed shell 9 to cooperate with the fixing posts 19. By placing the filter plate 8 into the interior of the fixed frame 7, pulling the elliptical plate 18 outward will cause the fixing posts 19 to leave the interior of the fixing groove 20. Pulling the pull rod 12 will cause the trapezoidal block 14 to move. The trapezoidal block 14 will push the sliding plate 15 to move towards the connecting block 10. During this process, the fixing block 16 enters the interior of the connecting groove 17, thereby completing the connection between the fixed frame 7 and the filter plate 8. With the above settings, the filter plate 8 can effectively intercept and filter dust, particulate matter and other impurities entering the interior of the shell 1, reducing the contamination of the light guide plate 3 by impurities and maintaining cleanliness. The fan 5 can discharge some dust through the filter plate 8 during the airflow circulation process. The dual effect of both helps to reduce the accumulation of dust inside the shell 1, thereby extending the service life.

[0022] Reference Figure 4 As shown in this embodiment: a first spring 21 is slidably connected to the surface of the pull rod 12. One end of the first spring 21 is fixed to the top plate 13, and the other end of the first spring 21 is fixed to the connecting groove 17. By setting the structure of the first spring 21, when the limit on the pull rod 12 is released, the elliptical plate 18 is pulled outward, and the tensile force of the first spring 21 can be used to quickly drive the fixed column 19 away from the inside of the fixed groove 20, which is convenient for the operator to use next time.

[0023] Reference Figure 4 As shown in this embodiment: guide blocks 22 are fixed on both sides inside the fixed shell 9, and guide grooves 23 that cooperate with the guide blocks 22 are opened at both ends of the sliding plate 15. By setting the structure of guide blocks 22 and guide grooves 23, a guiding effect is provided for the movement of the sliding plate 15, and deviation is avoided.

[0024] Reference Figure 4 As shown in this embodiment: two second springs 24 are fixed to the bottom of the sliding plate 15. The second springs 24 are located on both sides of the fixed block 16. The other end of the second spring 24 is fixed to the inside of the fixed shell 9. By setting the structure of the second springs 24, when the filter plate 8 needs to be maintained, the pull rod 12 is pulled to move the trapezoidal block 14. The trapezoidal block 14 moves the sliding plate 15 away from the connecting block 10. At the same time, the rebound force of the second springs 24 can be used to easily push the sliding plate 15 to move the fixed block 16 away from the inside of the connecting groove 17, thereby disconnecting the connection. This makes it easy for the operator to clean and maintain the filter plate 8. The operation is very simple.

[0025] Reference Figure 3 As shown in this embodiment: Limiting blocks 25 are fixed on both sides of the filter plate 8, and limiting grooves 26 that cooperate with the limiting blocks 25 are provided on both sides inside the fixed frame 7. By setting the structure of limiting blocks 25 and limiting grooves 26, the stability of the filter plate 8 when sliding is ensured and collision with the fixed frame 7 is avoided.

[0026] Reference Figure 2 As shown in this embodiment: a dust cover 27 is fixed to the top of the mounting bracket 4. The dust cover 27 is located above the fan 5. By setting the structure of the dust cover 27, dust and debris can be blocked from directly entering the fan 5, so as to avoid the fan blades from being damaged due to dust accumulation, thus extending the service life of the fan 5.

[0027] Reference Figure 2 As shown in this embodiment: multiple inclined fins 28 are fixed at both ends of the housing 1. The inclined fins 28 are located on one side of the air vent 6. By setting the structure of the inclined fins 28, the inclined fins 28 can block larger dust particles from entering the air vent 6, forming a double dust barrier with the filter plate 8, and improving the environmental adaptability of the backlight module.

[0028] Working principle: The user places the filter plate 8 inside the fixed frame 7, pulls the elliptical plate 18 outward to move the fixed column 19 out of the fixed groove 20, pulls the pull rod 12 to move the trapezoidal block 14, and the trapezoidal block 14 pushes the sliding plate 15 towards the connecting block 10. During this process, the fixed block 16 enters the connecting groove 17, thus completing the connection between the fixed frame 7 and the filter plate 8. Through the above settings, the filter plate 8 can effectively intercept and filter dust, particulate matter and other impurities entering the housing 1, reducing the contamination of the light guide plate 3 by impurities and maintaining cleanliness. The fan 5 can discharge some dust through the filter plate 8 during airflow circulation. The combined effect of these two factors helps to reduce the accumulation of dust inside the housing 1, thereby extending its service life. By setting the structure of the first spring 21, when the limit on the pull rod 12 is released, the elliptical plate 18 is pulled outward, and the tensile force of the first spring 21 can quickly move the fixed column 19 out of the fixed groove 20, making it convenient for the operator to use it next time. By setting the guide block 22 and guide... The structure of groove 23 provides guidance for the movement of sliding plate 15, preventing deviation. By setting the structure of second spring 24, when maintenance of filter plate 8 is required, pulling rod 12 drives trapezoidal block 14 to move. Trapezoidal block 14 drives sliding plate 15 to move away from connecting block 10. At the same time, the rebound force of second spring 24 can easily push sliding plate 15 to drive fixed block 16 away from the inside of connecting groove 17, thereby disconnecting the connection. This makes it easy for operators to clean and maintain filter plate 8. The operation is very simple. By setting the structure of limit block 25 and limit groove 26, the stability of filter plate 8 during sliding is ensured, avoiding collision with fixed frame 7. By setting the structure of dust cover 27, dust and debris can be blocked from directly entering the inside of fan 5, preventing the fan blades from reducing operating efficiency or being damaged due to dust accumulation, and extending the service life of fan 5. By setting the structure of inclined fin 28, inclined fin 28 can block larger dust particles from entering air hole 6, forming a double dust barrier with filter plate 8, improving the environmental adaptability of backlight module.

[0029] The technical scope of this utility model is not limited to the content described above. Those skilled in the art can make various modifications and variations to the above embodiments without departing from the technical concept of this utility model, and all such modifications and variations should fall within the protection scope of this utility model.

Claims

1. A novel backlight module assembly, characterized in that, Includes a housing (1): both ends of the housing (1) are fixed with positioning devices (2), and a light guide plate (3) is provided between the opposite surfaces of the positioning devices (2). Two mounting brackets (4) are fixed at the lower end of the housing (1), and a fan (5) is installed inside the mounting brackets (4). Multiple air holes (6) are provided at both ends of the housing (1). A fixing frame (7) is fixed at the upper end of the housing (1), and a filter plate (8) is slidably connected inside the fixing frame (7). A fixing shell (9) is fixed on one side of the fixing frame (7), and a connecting block (10) is fixed on one side of the filter plate (8). A through groove (11) is provided on one side of the fixing shell (9), and a sliding connection is provided inside the through groove (11). A pull rod (12) is connected to a top plate (13) fixed at one end of the pull rod (12). A trapezoidal block (14) is provided inside the fixed shell (9). One side of the trapezoidal block (14) is fixed to one end of the pull rod (12). A sliding plate (15) is fixed at the bottom of the trapezoidal block (14). A fixing block (16) is fixed at the bottom of the sliding plate (15). A connecting groove (17) is provided inside the connecting block (10) to cooperate with the fixing block (16). An elliptical plate (18) is slidably connected to the surface of the pull rod (12). A fixing post (19) is fixed at both ends of the elliptical plate (18). Two fixing grooves (20) are provided at both ends of one side of the fixed shell (9) to cooperate with the fixing post (19).

2. The novel backlight module assembly according to claim 1, characterized in that: The surface of the pull rod (12) is slidably connected to a first spring (21), one end of the first spring (21) is fixed to the top plate (13), and the other end of the first spring (21) is fixed to the connecting groove (17).

3. The novel backlight module assembly according to claim 1, characterized in that: Guide blocks (22) are fixed on both sides inside the fixed shell (9), and guide grooves (23) that cooperate with the guide blocks (22) are opened at both ends of the sliding plate (15).

4. The novel backlight module assembly according to claim 1, characterized in that: Two second springs (24) are fixed to the bottom of the sliding plate (15). The second springs (24) are located on both sides of the fixed block (16), and the other end of the second springs (24) is fixed to the inside of the fixed shell (9).

5. The novel backlight module assembly according to claim 1, characterized in that: Limiting blocks (25) are fixed on both sides of the filter plate (8), and limiting grooves (26) that cooperate with the limiting blocks (25) are provided on both sides inside the fixing frame (7).

6. The novel backlight module assembly according to claim 1, characterized in that: A dust cover (27) is fixed to the top of the mounting bracket (4), and the dust cover (27) is located above the fan (5).

7. The novel backlight module assembly according to claim 1, characterized in that: Multiple inclined fins (28) are fixed at both ends of the housing (1), and the inclined fins (28) are located on one side of the air vent (6).

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