Modularized backlight module

Abstract

The utility model discloses a modularized backlight module, and belongs to the technical field of backlight modules. A modularized backlight module comprises a front cover, a backlight module body and a rear cover, fixing assemblies are arranged at the top and the bottom of the front cover, a positioning plate is arranged on the outer wall of the rear portion of the backlight module body, and heat dissipation openings, heat dissipation fins and an installation shell are arranged on the outer wall of the front portion of the rear cover. The backlight module is higher in overall disassembly and assembly efficiency, an efficient heat dissipation mechanism can be formed through mutual cooperation of a plurality of heat dissipation openings and heat dissipation fins, external dust and impurities can be intercepted through cooperation with metal dust suppression nets 311 clamped in the heat dissipation openings, potential hazards such as short circuit caused by dust to the backlight module body are avoided, and the service life of the backlight module body is prolonged. And the maintenance cost caused by dust accumulation is reduced.

Description

Technical Field

[0001] This utility model relates to the field of backlight module technology, and more specifically, to a modular backlight module. Background Technology

[0002] Currently, most LCD monitors use backlight modules to emit light, distributing the light source evenly across the display module to enable the LCD to display images normally. However, due to the age of use and external factors, backlight modules may be damaged. Since backlight modules are usually fixed with screws, this method of fixing is inconvenient for disassembly and installation, and fixing with screws may cause damage to parts. Therefore, we propose a modular backlight module that is easy to replace.

[0003] To address the above issues, application number 202122260726.7, entitled "A Modular Backlight Module for Easy Replacement," describes a backlight module body disposed inside a front cover. A rear cover is connected to one side of the front cover. Several guide grooves are symmetrically arranged on the inner wall of the front cover. A guide block is slidably connected inside each guide groove, and each guide block is fixedly mounted on the backlight module body. A fixing hole is provided above each guide groove on the front cover, and each fixing hole is connected to a fixing mechanism. Each fixing mechanism is fixedly mounted on one side surface of the backlight module body. The backlight module body is fixed by the fixing mechanism engaging with the fixing hole. The rear cover and connecting rod engage with the fixing mechanism, thereby reducing the number of times screws are used and preventing damage to the surface of parts when using screws to drill holes.

[0004] Although the device offers many advantages, it still suffers from the following problems: While it can secure the backlight module body using the combination of fixing mechanisms and mounting holes, both installation and removal require operating multiple fixing mechanisms one by one, making the entire process extremely cumbersome. Only after operating the fixing mechanisms can the backlight module body be disassembled or installed. Even more inconvenient is that after the backlight module body is installed, the back cover is still secured with multiple screws. This not only requires operating multiple fixing mechanisms during installation and removal but also necessitates handling multiple screws. These double, step-by-step steps make the entire installation and removal process quite troublesome, severely impacting the efficiency of disassembly and installation in practical applications.

[0005] Furthermore, the heat dissipation of the backlight module body after assembly is unsatisfactory. During normal operation, the backlight module body generates a certain amount of heat, but the current heat dissipation design fails to effectively solve this problem. After long-term operation, the temperature of the backlight module body increases significantly, which may not only affect its own working performance and stability, but also shorten its service life and reduce the reliability and durability of the product.

[0006] In view of this, we propose a modular backlight module. Utility Model Content

[0007] 1. Technical problems to be solved

[0008] The purpose of this invention is to provide a modular backlight module to solve the problems mentioned in the background art.

[0009] 2. Technical Solution

[0010] A modular backlight module includes a front cover, a backlight module body, and a rear cover. The front cover has a limiting groove on its front outer wall. The front cover has fixing components at its top and bottom, each component including a connecting shell. Multiple connecting shells are respectively fixedly welded to the top and bottom of the connecting shells. Threaded bolts are threaded onto the outer walls of the multiple connecting shells, and movable plates are rotatably connected to the ends of the threaded bolts. A positioning plate is provided on the rear outer wall of the backlight module body, and positioning openings are provided on the outer walls of the multiple positioning plates. The rear cover has a heat dissipation vent, a heat sink, and a mounting shell on its front outer wall. A rotating bidirectional threaded rod is rotatably connected to the side wall of the mounting shell, and a metal limiting pin matching the limiting groove is provided on the rear outer wall of the mounting shell.

[0011] Preferably, a support rod is welded and fixed to the outer wall of the plurality of movable plates, and a limit post is provided at the bottom of the plurality of support rods.

[0012] Preferably, the top and bottom of the front cover are provided with through holes, and the through holes are matched with the limiting posts.

[0013] Preferably, the inner walls of the plurality of limiting circular grooves are provided with magnet blocks, and the outer walls of the plurality of metal limiting posts are provided with positioning circular grooves that match the limiting posts.

[0014] Preferably, the backlight module body is installed inside the back cover, and a metal dust filter is snapped onto the inner wall of the multiple heat dissipation vents.

[0015] Preferably, the front outer wall of the rear cover is fixedly connected to a mounting base by screws, and the outer wall of the mounting base has mounting screw holes.

[0016] Preferably, a clamping rod is sleeved on the outer circumference of the rotating bidirectional threaded rod, and a positioning block is provided on the outer wall of a plurality of clamping rods, and the plurality of positioning blocks are respectively matched with a plurality of positioning ports.

[0017] 3. Beneficial effects

[0018] Compared with the prior art, the advantages of this utility model are as follows: When assembling the backlight module body, the backlight module body can be installed into the back cover first. Then, by rotating the bidirectional threaded rod, the two clamping rods carrying positioning blocks are clamped and limited by the positioning ports of multiple positioning plates, thereby fixing and limiting the backlight module body. After the backlight module body is installed, the multiple metal limiting pins on the outer wall of the back cover can be respectively engaged in the multiple limiting circular grooves on the outer wall of the front cover, and the magnetic adsorption of the magnet block is used for initial positioning. Then, the two threaded bolts are rotated respectively, and the two threaded bolts drive the moving plate to move, so that the moving plate can drive the limiting pins on the outer wall of the support rod to be engaged in the positioning circular grooves on the outer wall of the multiple metal limiting pins, thereby achieving the positioning effect. Compared with the existing installation method, this installation and disassembly method has fewer operation steps, and it is simpler and more convenient to disassemble the back cover and the front cover, and the disassembly and installation efficiency is also higher.

[0019] Furthermore, after the backlight module body is assembled and installed, it can dissipate heat through multiple heat dissipation vents and heat sinks. The multiple heat dissipation vents and heat sinks work together to form an efficient heat dissipation mechanism. The heat sinks increase the heat dissipation area and continuously dissipate heat into the external environment, thereby achieving continuous and effective heat dissipation for the backlight module body. The multiple heat dissipation vents can quickly expel the heat accumulated in the gap between the back cover and the backlight module body. The inner walls of the multiple heat dissipation vents are all fitted with metal dust filters 311. These metal dust filters 311 are made of metal and can effectively block the entry of external dust. Even if used for a long time in a dusty environment, they can effectively prevent dust from passing through the heat dissipation vents and entering the back cover. Thus, while achieving the heat dissipation effect, they can also prevent dust from causing potential damage such as short circuits to the backlight module body, reducing maintenance costs caused by dust accumulation. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0021] Figure 2 This is a schematic diagram of structure A of this utility model;

[0022] Figure 3 This is a schematic diagram of the positioning structure of this utility model;

[0023] Figure 4 This is a rear view schematic diagram of the mounting shell structure of this utility model;

[0024] The following are the labeling instructions in the diagram: 100, front cover; 110, limiting groove; 111, magnet block; 120, connecting shell; 121, threaded bolt; 130, moving plate; 131, support rod; 132, limiting post; 200, backlight module body; 210, positioning plate; 211, positioning port; 300, rear cover; 310, heat dissipation vent; 311, metal dust filter; 320, heat sink; 330, mounting base; 340, metal limiting post; 341, positioning groove; 350, mounting shell; 351, rotating bidirectional threaded rod; 352, clamping rod; 353, positioning block. Detailed Implementation

[0025] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or component referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0026] In the description of this utility model, "multiple" means two or more, unless otherwise explicitly specified.

[0027] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installed," "equipped with," "sleeved / connected," "connected," etc., should be interpreted broadly. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be a connection within two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0028] Please see Figure 1-4 This utility model provides a technical solution:

[0029] A modular backlight module includes a front cover 100, a backlight module body 200, and a rear cover 300. A limiting groove 110 is formed on the outer front wall of the front cover 100. Fixing components are provided at the top and bottom of the front cover 100. Each fixing component includes a connecting shell 120. Multiple connecting shells 120 are respectively fixedly welded to the top and bottom of the connecting shell 120. Threaded bolts 121 are threaded onto the outer walls of the multiple connecting shells 120. A movable plate 130 is rotatably connected to the end of each threaded bolt 121. The rear of the backlight module body 200... The outer wall is provided with positioning plates 210, and the outer walls of multiple positioning plates 210 are provided with positioning openings 211. The front outer wall of the rear cover 300 is provided with heat dissipation openings 310, heat dissipation fins 320 and mounting shell 350. The side wall of the mounting shell 350 is rotatably connected with a rotating bidirectional threaded rod 351. The rear outer wall of the mounting shell 350 is provided with a metal limiting post 340 that matches the limiting circular groove 110, so that the two clamping rods 352 can be used to assemble and clamp the backlight module body 200 by rotating the bidirectional threaded rod 351.

[0030] Specifically, multiple movable plates 130 are welded and fixed to the outer wall with support rods 131, and limit posts 132 are set at the bottom of the multiple support rods 131.

[0031] In some embodiments, the multiple support rods 131 are made of titanium alloy or high-strength stainless steel to prevent the support rods 131 from bending during use due to low strength.

[0032] In some embodiments, the bottom fixing assembly includes a limiting post 132 at the top of the support rod 131.

[0033] Furthermore, the top and bottom of the front cover 100 are provided with through holes, and multiple through holes are matched with the limiting posts 132, so that the limiting posts 132 can be better engaged in the positioning grooves 341 on the outer circumference of the multiple metal limiting posts 340.

[0034] Furthermore, the inner walls of the multiple limiting grooves 110 are provided with magnet blocks 111, and the outer walls of the multiple metal limiting posts 340 are provided with positioning grooves 341 that match the limiting posts 132, so as to facilitate the initial fixation using the magnet blocks 111.

[0035] Furthermore, the backlight module body 200 is installed inside the back cover 300, and the inner walls of multiple heat dissipation vents 310 are fitted with metal dustproof mesh 311, which facilitates the use of the metal dustproof mesh 311 to block dust.

[0036] It is worth noting that the front outer wall of the back cover 300 is fixedly connected to the mounting base 330 with screws. The outer wall of the mounting base 330 has mounting screw holes to facilitate the installation of the display screen.

[0037] It is worth noting that a clamping rod 352 is sleeved on the outer circumference of the rotating bidirectional threaded rod 351, and a positioning block 353 is provided on the outer wall of the multiple clamping rods 352, and the multiple positioning blocks 353 are respectively matched with multiple positioning ports 211.

[0038] In some embodiments, a power outlet and port may be provided on the lower part of the outer wall behind the rear cover 300 to facilitate power supply from an external conventional power source and to allow electrical connection with external devices. All of the above are existing technologies and need not be elaborated upon.

[0039] In addition, the circuits, electronic components and modules involved in this utility model are all existing technologies, which can be fully implemented by those skilled in the art, and need not be elaborated upon. The content protected by this utility model does not involve any improvement to the internal structure and method.

[0040] Working principle: When assembling the backlight module body 200, the backlight module body 200 can be installed into the back cover 300 first. Then, by rotating the bidirectional threaded rod 351, the two clamping rods 352 carrying positioning blocks 353 are caused to clamp and limit the positioning holes 211 of multiple positioning plates 210, thereby fixing and limiting the backlight module body 200. After the backlight module body 200 is installed, the multiple metal limiting pins 340 on the rear outer wall of the back cover 300 can be respectively snapped into the front. The cover 100 is initially positioned in multiple limiting grooves 110 on the outer wall of the front end by magnetic attraction of magnet 111. Then, two threaded bolts 121 are rotated, causing the moving plate 130 to move. This allows the moving plate 130 to engage the limiting posts 132 on the outer wall of the support rod 131 with the positioning grooves 341 on the outer circumference of the multiple metal limiting posts 340, thus achieving a positioning effect. Compared to existing installation methods, this installation and disassembly method involves fewer steps and is more suitable for both the rear and front covers. The cover is easier and more convenient to disassemble, and the disassembly and installation efficiency is also higher. Furthermore, after the backlight module body 200 is assembled and installed, it can dissipate heat through multiple heat dissipation vents 310 and heat sinks 320. The multiple heat dissipation vents 310 and heat sinks 320 work together to form a highly efficient heat dissipation mechanism. The heat sinks 320, by increasing the heat dissipation area, continuously dissipate heat to the external environment, thereby achieving continuous and effective heat dissipation for the backlight module body 200. Meanwhile, the multiple heat dissipation vents 310 can dissipate heat from the back cover 300 and the back... The heat accumulated in the interlayer between the main body of the backlight module 200 is quickly dissipated, and the inner walls of multiple heat dissipation vents 310 are all fitted with metal dustproof mesh 311. These metal dustproof meshes 311 are made of metal and can effectively block the entry of external dust. Even if used for a long time in a dusty environment, they can effectively prevent dust from passing through the heat dissipation vents 310 and entering the back cover 300. Thus, while achieving the heat dissipation effect, they also prevent dust from causing potential hazards such as short circuits to the main body of the backlight module 200, and reduce maintenance costs caused by dust accumulation.

[0041] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely preferred examples and are not intended to limit the utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A modular backlight module, comprising a front cover (100), a backlight module body (200) and a back cover (300), characterized in that: The front cover (100) front wall is provided with a limiting circular groove (110), the top and bottom of the front cover (100) are provided with a fixing assembly, the fixing assembly comprises a connecting shell (120), a plurality of connecting shells (120) are respectively fixed and welded on the top and bottom of the connecting shell (120), a plurality of connecting shells (120) are provided with threaded bolts (121) on the outer wall in a threaded sleeve connection, a plurality of threaded bolts (121) are rotatably connected with a moving plate (130) at the end, the back of the backlight module body (200) is provided with a positioning plate (210), a plurality of positioning plates (210) are provided with positioning openings (211) on the outer wall, the front outer wall of the rear cover (300) is provided with a heat dissipation opening (310), a heat dissipation fin (320) and a mounting shell (350), the mounting shell (350) is rotatably connected with a rotating bidirectional threaded rod (351) on the side wall, the rear outer wall of the mounting shell (350) is provided with a metal limiting clamping column (340) matched with the limiting circular groove (110).

2. The modular backlight of claim 1, wherein: A plurality of moving plates (130) are welded and fixed with support rods (131) on the outer wall, and a plurality of support rods (131) are provided with limiting columns (132) at the bottom.

3. The modular backlight of claim 2, wherein: The top and bottom of the front cover (100) are provided with corresponding through holes, and a plurality of through holes are matched with the limiting columns (132).

4. The modular backlight of claim 3, wherein: A plurality of limiting circular grooves (110) are provided with magnet blocks (111) on the inner wall, and a plurality of metal limiting clamping columns (340) are provided with positioning circular grooves (341) matched with the limiting columns (132) on the circumferential outer wall.

5. The modular backlight of claim 4, wherein: The backlight module body (200) is installed inside the rear cover (300), and a plurality of heat dissipation openings (310) are provided with metal dustproof nets (311) on the inner wall.

6. The modular backlight of claim 5, wherein: The front outer wall of the rear cover (300) is fixedly connected with a mounting seat (330) by screws, and the outer wall of the mounting seat (330) is provided with mounting screw holes.

7. The modular backlight of claim 6, wherein: The circumferential outer wall of the rotating bidirectional threaded rod (351) is sleeved with a clamping rod (352), a plurality of clamping rods (352) are provided with positioning blocks (353) on the outer wall, and a plurality of positioning blocks (353) are respectively matched with a plurality of positioning openings (211).

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