A quick-locking light bar structure for direct type backlight

Abstract

A kind of quick lock type light bar structure for direct backlight, comprising: heat dissipation backplate, several light bar card seats are provided on the heat dissipation backplate, light bar base is movably inserted into the light bar card seat, the front of the light bar base is provided with LED lamp, the back of the light bar base is provided with several conductive plugs at equal distance;The light bar card seat includes seat body, the left and right sides of the seat body inner cavity are provided with several return springs at equal distance along its inner wall, the front of the return spring is provided with movable plate, the left and right sides of the movable plate plate body are provided with limiting movable block.The utility model discloses a kind of quick lock type light bar structure for direct backlight, through the seat body, movable plate, return spring and limiting movable block designed, it can automatically push out the LED lamp strip located in light bar card seat from light bar card seat, to reach the purpose of installing light bar conveniently and quickly.

Description

Technical Field

[0001] This utility model relates to the technical field of backlight module light strips, and in particular to a quick-locking light strip structure for direct-lit backlights. Background Technology

[0002] The backlight module is a core component of a liquid crystal display (LCD). It ensures the normal display of a non-self-emissive liquid crystal screen by providing a uniform light source, accounting for 30%-50% of the cost and 75% of the energy consumption of an LCD module. It mainly consists of a light source (LED or CCFL), a light guide plate, optical films (diffuser sheets, prism sheets, etc.), and reflective sheets. Through the dot design of the light guide plate and the combination of optical films, it transforms point / line light sources into uniform surface light sources, thereby improving brightness and energy efficiency. Backlight modules are widely used in monitors, laptops, televisions, and automotive displays, accounting for up to 66% of the cost in Mini LED displays.

[0003] Currently, in existing direct-lit backlight modules, LED strips are typically fixed to the heat sink backplate using screws or adhesive. Screw fixing is inefficient, requires tools, and the screw holes may compromise the strength and heat dissipation continuity of the backplate. Adhesive fixing, on the other hand, suffers from problems such as adhesive aging and failure, difficulty in disassembly and maintenance, and high thermal resistance. Therefore, a quick-locking LED strip structure for direct-lit backlights is designed to improve installation efficiency and facilitate maintenance. Summary of the Invention

[0004] The purpose of this invention is to overcome the shortcomings of the prior art and provide a quick-locking light strip structure for direct-lit backlighting.

[0005] The objective of this utility model is achieved through the following technical solution:

[0006] A quick-locking LED strip structure for direct-lit backlighting includes: a heat dissipation backplate, on which several LED strip holders are provided, LED strip bases are movably inserted into the LED strip holders, LED lights are provided on the front of the LED strip bases, and several conductive plugs are provided at equal intervals on the back of the LED strip bases; each LED strip holder includes a base body, and several return springs are provided at equal intervals along the inner walls of the left and right sides of the inner cavity of the base body; a movable plate is provided on the front of each return spring; limit movable blocks are provided on the left and right sides of the movable plate body; limit openings are opened on the outer walls of the two sides of the base body, and the limit movable blocks are movably inserted into the limit openings; protective baffles are provided at the bottom of the left and right sides of the base body; rotating bases are provided on the outer walls of the bottom of the two sides of the limit movable blocks; rotating locks are provided on the rotating bases; and several conductive sockets are provided at equal intervals on the back of the inner cavity of the base body.

[0007] In one embodiment, the protective baffle is disposed in the center of the outer walls on both sides of the seat, and an opening is provided in the center. The rotating base is located in the opening and is connected to the outer wall of the seat.

[0008] In one embodiment, the rotating base includes two hollow blocks, each with a circular through hole in the center. The rotating latch is rotatably connected between the two hollow blocks. A connecting plate is provided on the side of the hollow block near the light strip holder, and a limit protrusion is provided on the front side of the connecting plate near the rotating latch.

[0009] In one embodiment, a spring hinge is provided in the inner cavity of one of the circular through holes of the two hollow blocks, and a power transmission column is provided on the side of the spring hinge near the rotating latch.

[0010] In one embodiment, the rotating latch includes a latch, the side of the latch near the rotating base is a circular block, one side of the circular block is provided with a transmission groove, the transmission groove is connected to the power transmission column, and the other side is integrally formed with a rotating column, the rotating column is inserted into the through hole of the hollow block near its side.

[0011] In one embodiment, a rocker plate is provided at the center of the rotating latch body and on the side away from the seat body, a transmission component is provided in the inner cavity of the rotating latch, and a locking block is provided at the bottom of the rotating latch near the light strip holder.

[0012] In one embodiment, the rocker arm, the transmission component, and the locking block are all fixed in the inner cavity of the rotating latch by spring hinges, and one end of the rocker arm extends to the outside of the rotating latch.

[0013] In one embodiment, a driving plate is provided on the side of the rocker plate near the transmission member and on the side of the transmission member and the locking block near each other. The bottom of the driving plate of the two ends of the transmission member is provided on the side of the rocker plate near the rocker plate, and the top of the driving plate is provided on the side of the transmission member near the locking block.

[0014] Compared with the prior art, the present invention has at least the following advantages:

[0015] This utility model discloses a quick-locking LED strip structure for direct-lit backlighting. Through the design of the base, movable plate, return spring, and limiting blocks, it allows the LED strip located in the LED strip holder to be automatically pushed out of the holder without ejecting the movable plate entirely from the base's inner cavity. The hollow plates, hollow blocks, and spring hinges designed in the rotating base on both sides, along with the designed rotating latch, allow the latch to automatically rotate towards the side closer to the base. This locks the limiting blocks on both sides of the movable plate, preventing it from springing back and achieving a fixed position. To remove the LED strip, simply rotate the base to release the limiting blocks, allowing the movable plate to spring back, thus achieving convenient and quick LED strip installation. Attached Figure Description

[0016] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of this utility model and should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can be obtained based on these drawings without creative effort.

[0017] Figure 1 This is a schematic diagram of the overall front structure of this utility model;

[0018] Figure 2 This is a schematic cross-sectional view of the overall structure of the light strip holder of this utility model;

[0019] Figure 3 This is a schematic diagram of the connection structure between the light strip holder and the light strip of this utility model;

[0020] Figure 4 This is a schematic diagram of the side structure of the rotating base of this utility model;

[0021] Figure 5 This is a schematic diagram of the overall structure of the rotating lock from the side of this utility model;

[0022] Figure 6 This is a side sectional view of the rotating lock structure of this utility model.

[0023] In the diagram: 1. Heat dissipation backplate; 2. LED strip holder; 21. Base; 22. Movable plate; 23. Return spring; 24. Limiting block; 25. Protective baffle; 26. Conductive socket; 27. Rotary lock; 271. Rocker plate; 272. Transmission groove; 273. Locking block; 274. Rotating column; 275. Transmission component; 28. Rotating base; 281. Limiting protrusion; 282. Connecting plate; 283. Hollow block; 284. Spring hinge; 285. Power transmission column; 3. LED strip base; 31. LED light; 32. Conductive plug. Detailed Implementation

[0024] To facilitate understanding of this utility model, a more comprehensive description will be provided below with reference to the accompanying drawings. The drawings illustrate preferred embodiments of this utility model.

[0025] like Figure 1-6 As shown, a quick-locking LED strip structure for direct-lit backlighting includes: a heat dissipation backplate 1, on which several LED strip holders 2 are provided, LED strip bases 3 are movably inserted into the LED strip holders 2, LED lights 31 are provided on the front of the LED strip bases 3, and several conductive plugs 32 are provided at equal intervals on the back of the LED strip bases 3; the LED strip holders 2 include a base body 21, several return springs 23 are provided at equal intervals along the inner walls of the left and right sides of the inner cavity of the base body 21, a movable plate 22 is provided on the front of the return springs 23, and limit movable blocks 24 are provided on the left and right sides of the movable plate 22, limit openings are opened on the outer walls of the two sides of the base body 21, and the limit movable blocks 24 are movably inserted into the limit openings, protective baffles 25 are provided at the bottom of the left and right sides of the base body 21, rotating bases 28 are provided on the outer walls of the bottom of the two sides of the limit movable blocks 24, rotating locks 27 are provided on the rotating bases 28, and several conductive sockets 26 are provided at equal intervals on the back of the inner cavity of the base body 21.

[0026] It should be noted that when installing the light strip, the locking buckle 27 needs to be rotated first to move it away from the light strip holder 2. Rotating the locking buckle 27 requires rotating the rocker arm 271 to rotate the entire unit. The rocker arm 271 rotates, causing one side of the drive plate to rotate upwards (as shown in the attached diagram). Figure 6 As shown in the diagram, the rocker arm 271's driving plate rotates, lifting the driving plate on the left side of the transmission component 275, causing the entire transmission component 275 to rotate. After the transmission component 275 rotates, its right driving plate presses down on the driving plate of the locking block 237, causing the locking block 237 to rotate and be positioned outside the rotating latch 27. The block can then rotate and retract into the rotating latch 27. At this point, rotating the rotating latch 27 to a certain angle will release it (as shown in the attached diagram of the instruction manual). Figure 5As shown), when the rocker arm 271 is released, it will return to its original position under the action of the internal spring hinge. The transmission component 275 and the locking block 273 are the same. Therefore, the re-extended locking block 273 will lock with the limiting protrusion 281, so that the rotating latch 27 cannot be rotated by the power transmission column 285. This achieves the locking of the rotating latch 27 after rotation, making it in an activated state. At this time, the LED light 31 is inserted into the light strip holder 2, and the conductive plug 32 on the light strip base 3 is pressed down so that it can be inserted into the conductive plug. When the socket 26 is connected, the movable plate 22 moves downward and also moves the limiting movable block 24 downward, allowing the limiting movable block 24 to move into the protective baffle 25. After moving to this position, the operator can push the rocker arm 271 outward to rotate the locking block 234 into the rotating latch 27, so that it is no longer locked with the limiting protrusion 281, thereby preventing the movable plate 22 from being ejected from the light strip holder 2 by the reset spring 23. The installation of the light strip can be completed. When removing it, simply push the rotating latch 27.

[0027] like Figure 1-2 As shown in one embodiment, a protective baffle 25 is disposed in the center of the outer walls on both sides of the base 21, and an opening is provided in the center. The rotating base 28 is located in the opening and is connected to the outer wall of the base 21. It should be noted that the length of the protective baffle 25 is the same as the length of the rotating latch 27, so that it can cover and protect the rotating latch 27.

[0028] like Figure 4 As shown in one embodiment, the rotating base 28 includes two hollow blocks 283, each with a circular through hole in its center. A rotating latch 27 is rotatably connected between the two hollow blocks 283. A connecting plate 282 is provided on the side of the hollow block 283 near the light strip holder 2, and a limiting protrusion 281 is provided on the front side of the connecting plate 282 near the rotating latch 27. It should be noted that the side of the hollow block 283 is circular and symmetrically designed with the rotating latch 27 as the center.

[0029] like Figure 4-6As shown in one embodiment, a spring hinge 284 is disposed in the inner cavity of one of the circular through holes of the two hollow blocks 283. A power transmission post 276 is disposed on the side of the spring hinge 284 near the rotating latch 27. The rotating latch 27 includes a latch tongue. The block near the rotating base 28 of the latch is circular. One side of the circular block has a transmission groove 272, which is connected to the power transmission post 276. The other side has a rotating post 274 integrally formed, which is inserted into the through hole of the hollow block 283 near it. It should be noted that the power transmission post 276 near the rotating latch 27 has several protrusions arranged at equal intervals around its circumference. The corresponding grooves of the transmission groove 272 are also provided in the corresponding protrusions, so that the spring hinge 284 drives the power transmission post 276 to rotate, so that it can drive the rotating latch 27 to always rotate towards the side near the base 21.

[0030] like Figure 5-6 As shown in one embodiment, a rocker plate 271 is provided at the center of the rotating latch 27 and on the side away from the seat 21. A transmission member 275 is provided inside the rotating latch 27, and a locking block 273 is provided at the bottom of the rotating latch 27 near the light strip holder 2. The rocker plate 271, the transmission member 275, and the locking block 273 are all fixed in the inner cavity of the rotating latch 27 by spring hinges. One end of the rocker plate 271 extends to the outside of the rotating latch 27. A driving plate is provided on the side of the rocker plate 271 near the transmission member 275 and on the side where the transmission member 275 and the locking block 273 are close to each other. The bottom of the driving plate at both ends of the transmission member 275 is provided on the side near the rocker plate 271, and the top of the driving plate is provided on the side near the locking block 273. It should be noted that the side of the rotating lock 27 closest to the seat 21 is a solid structure, while the side closest to the bottom of the inner cavity and the rocker plate 271 is a hollow structure.

[0031] The embodiments described above are merely illustrative of several implementations of this utility model, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the utility model patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and these all fall within the protection scope of this utility model. Therefore, the protection scope of this utility model patent should be determined by the appended claims.

Claims

1. A quick-locking LED strip structure for direct-lit backlighting, comprising: A heat dissipation backplate (1) is characterized in that a plurality of LED strip holders (2) are provided on the heat dissipation backplate (1), and LED strip bases (3) are movably inserted into the LED strip holders (2). LED lights (31) are provided on the front side of the LED strip bases (3), and a plurality of conductive plugs (32) are provided at equal intervals on the back side of the LED strip bases (3). The LED strip holders (2) include a base body (21), and a plurality of return springs (23) are provided at equal intervals along the inner wall on the left and right sides of the inner cavity of the base body (21). A movable plate (2) is provided on the front side of the return springs (23). 2) Limiting blocks (24) are provided on the left and right sides of the movable plate (22). Limiting openings are provided on the outer walls of both sides of the seat (21). The limiting blocks (24) are movably inserted into the limiting openings. Protective baffles (25) are provided on the bottom of the left and right sides of the seat (21). Rotating bases (28) are provided on the outer walls of the bottom of both sides of the limiting blocks (24). Rotating locks (27) are provided on the rotating bases (28). Several conductive sockets (26) are provided at equal intervals on the back of the inner cavity of the seat (21).

2. The quick-locking LED strip structure for direct-lit backlighting according to claim 1, characterized in that, The protective baffle (25) is located in the center of the outer walls on both sides of the seat (21), and an opening is provided in the center. The rotating base (28) is located in the opening and is connected to the outer wall of the seat (21).

3. The quick-locking LED strip structure for direct-lit backlighting according to claim 1, characterized in that, The rotating base (28) includes two hollow blocks (283), each of which has a circular through hole in the center. The rotating latch (27) is rotatably connected between the two hollow blocks (283). A connecting plate (282) is provided on the side of the hollow block (283) near the light strip holder (2). A limit protrusion (281) is provided on the front side of the connecting plate (282) near the rotating latch (27).

4. A quick-locking LED strip structure for direct-lit backlighting according to claim 1, characterized in that, A spring hinge (284) is provided in the inner cavity of one of the circular through holes of the two hollow blocks (283), and a power transmission column (285) is provided on the side of the spring hinge (284) near the rotating latch (27).

5. A quick-locking LED strip structure for direct-lit backlighting according to claim 4, characterized in that, The rotating latch (27) includes a latch, and the side of the latch near the rotating base (28) is a circular block. One side of the circular block is provided with a transmission groove (272), which is connected to the power transmission column (285) for transmission. The other side is integrally formed with a rotating column (274), which is inserted into the through hole of the hollow block (283) near its side.

6. A quick-locking LED strip structure for direct-lit backlighting according to claim 1, characterized in that, A rocker plate (271) is provided at the center of the rotating buckle (27) and on the side away from the seat (21). A transmission component (275) is provided in the inner cavity of the rotating buckle (27). A locking block (273) is provided at the bottom of the rotating buckle (27) near the light strip holder (2).

7. A quick-locking LED strip structure for direct-lit backlighting according to claim 6, characterized in that, The rocker arm (271), the transmission component (275), and the locking block (273) are all fixed in the inner cavity of the rotating latch (27) by spring hinges, and one end of the rocker arm (271) extends to the outside of the rotating latch (27).

8. A quick-locking LED strip structure for direct-lit backlighting according to claim 7, characterized in that, The curved board (271) is provided with a driving plate on the side near the transmission member (275) and on the side near each other of the transmission member (275) and the locking block (273). The driving plates at both ends of the transmission member (275) are provided with the bottom of the driving plate on the side near the curved board (271) and the top of the driving plate on the side near the locking block (273).

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