Combined backlight source

Abstract

The utility model relates to the technical field of backlight source processing, and discloses a combined backlight source which comprises a supporting frame and a light source plate, the light source plate is clamped into the supporting frame, and a dismounting mechanism is arranged between the light source plate and the supporting frame. The dismounting and mounting mechanism comprises two clamping blocks and clamping strips, the two clamping blocks are fixedly installed on the two sides of the light source plate correspondingly, by arranging the dismounting and mounting mechanism, dismounting and mounting can be facilitated when a worker needs to maintain the light source plate, the working efficiency of the worker is improved, a gap exists between the light source plate and the supporting frame in the mounting process, air circulation is facilitated, and the light source plate is prevented from being damaged. The heat dissipation effect on the light source plate is greatly improved, and the problems that in an existing technical scheme, after the light source plate is installed in an installation groove, workers cannot conveniently disassemble the light source plate, the working efficiency of the workers is affected, and the heat dissipation effect on the light source plate is poor due to poor air circulation between the light source plate and the supporting plate are solved. Therefore, the normal service life of the light source plate is influenced.

Description

Technical Field

[0001] The utility model relates to the technical field of backlight sources, in particular to a combined backlight source. Background Art

[0002] Backlight is a device commonly used in advertising to illuminate the advertising light sheet so that it can be prominently advertised at night through the brightness provided by the backlight.

[0003] According to the Chinese patent announcement number: CN220523911U, a combined backlight source is disclosed, which is provided with a support plate, a mounting groove, a storage groove, a mounting block, a light source board, an empty groove, a first sliding groove, a limiting rod, a slider, a first connecting plate, a connecting column and an extrusion plate, and the light source board drives the mounting block to insert into the interior of the storage groove, so that the mounting block squeezes the extrusion plate to slide, so that the extrusion plate squeezes the first connecting plate to slide through the connecting column, and at the same time, the connecting plate drives the slider to slide on the outer wall of the limiting rod, so that the extrusion plate is reset by the telescopic spring, so that the extrusion plate squeezes and fixes the mounting block, which can facilitate the installation of the light source board to prevent shaking, improve the safety of the use of the light source board, and reduce people's property loss, thereby saving a lot of time and energy; the light source board in the technical solution is not convenient for personnel to disassemble it after being installed in the mounting groove, which affects the work efficiency of the personnel, and the air circulation between the light source board and the support plate is poor, resulting in poor heat dissipation effect on the light source board, thereby affecting the normal service life of the light source board. For this reason, we propose a combined backlight source. Utility Model Content

[0004] The purpose of the utility model is to provide a combined backlight source to solve the problems in the background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a combined backlight source, comprising a support frame and a light source board, wherein the light source board is inserted into the support frame, and a disassembly mechanism is provided between the light source board and the support frame;

[0006] The disassembly and assembly mechanism comprises a card block and a card strip, and the number of the card blocks is two, and the two card blocks are respectively fixedly mounted on both sides of the light source board, and the bottom end of the support frame is connected to the inner wall and is provided with a card slot one, and the card block is clamped in the card slot one, and a limit slider is fixedly mounted on the top of the card strip, and a limit slide is provided on the bottom of the card block, and the limit slide is slidably connected with the limit slide slot, and the inner wall of the card slot one is provided with a card slot two, and the card strip is clamped in the card slot two, and a limit rod is fixedly mounted on the inner wall of the limit slide slot, and a rod hole is provided on the limit slide, and the limit rod movably passes through the rod hole, and a spring is surrounded by the outer wall of the limit rod, one end of the spring is fixedly mounted on one side of the limit slide, and the other end of the spring is fixedly mounted on the inner wall of the limit slide slot, and a resist plate is fixedly mounted on the top of the inner wall of the support frame, and the resist plate is in close contact with the top surface of the light source board.

[0007] Preferably, there are two abutment plates, which are made of elastic PVC material. By providing the abutment plates, when the light source panel is disassembled, the support frame can be popped out under the elastic action of the abutment plates, which is convenient for personnel to operate.

[0008] Preferably, the number of the card slots one is two, and the card block one is adapted to the card slot one, and the card block is provided so that the card block can be inserted into the card slot one, thereby limiting the position of the light source board.

[0009] Preferably, the card strip is matched with the second card slot, and the limit sliding block is matched with the limit sliding slot. By setting the card strip, the card strip can be inserted into the second card slot, thereby limiting and fixing the card block in the first card slot.

[0010] Preferably, a heat dissipation port is provided at the top of the inner wall of the support frame, and heat dissipation fins are fixedly mounted on the inner wall of the heat dissipation port.

[0011] Preferably, the number of the heat dissipation fins is several.

[0012] The utility model provides a combined backlight source. The combined backlight source has the following beneficial effects:

[0013] (1) The combined backlight source is provided with a disassembly and assembly mechanism, which can facilitate personnel to disassemble and assemble the light source board when they need to maintain it, thereby improving the work efficiency of personnel. In addition, there is a gap between the light source board and the support frame during installation, which is convenient for air circulation and greatly improves the heat dissipation effect of the light source board. This solves the problem in the prior art that after the light source board is installed in the installation slot, it is inconvenient for personnel to disassemble it, affecting the work efficiency of personnel, and the air circulation between the light source board and the support board is poor, resulting in poor heat dissipation effect of the light source board, thereby affecting the normal service life of the light source board.

[0014] (2) The combined backlight source further improves the heat dissipation effect of the light source board by providing heat dissipation fins and heat dissipation ports, thereby preventing excessive heat accumulation of the light source board after long-term use, thereby increasing the service life of the light source board. The structure is simple and the practicality is strong. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0016] Figure 2 This is a front sectional structural schematic diagram of the utility model;

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

[0018] Figure 4 For this utility model Figure 2 Schematic diagram of the enlarged structure of part A in the middle.

[0019] In the figure: 1. support frame; 2. light source board; 3. disassembly and assembly mechanism; 4. heat dissipation port; 5. heat dissipation fins; 301. clamping block; 302. clamping slot 1; 303. clamping strip; 304. clamping slot 2; 305. limit slider; 306. rod hole; 307. spring; 308. abutment plate; 309. limit slide groove; 310. limit rod. DETAILED DESCRIPTION

[0020] The following is a further detailed description of the implementation of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but cannot be used to limit the scope of the present invention.

[0021] In the description of the present invention, unless otherwise specified, "multiple" means two or more; the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", "third" and the like are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0022] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "connected" and "connection" should be understood in a broad sense, for example, it 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. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0023] Embodiment 1:

[0024] The combined backlight source provided by the utility model is preferably implemented as follows Figures 1 to 4 As shown: a combined backlight source, comprising a support frame 1 and a light source board 2, wherein the light source board 2 is inserted into the support frame 1, and a disassembly mechanism 3 is provided between the light source board 2 and the support frame 1;

[0025] The disassembly and assembly mechanism 3 includes a card block 301 and a card strip 303. There are two card blocks 301. The two card blocks 301 are fixedly mounted on both sides of the light source board 2. The bottom end of the support frame 1 is connected to the inner wall and a card slot 302 is opened. The card block 301 is clamped in the card slot 302. A limited slider 305 is fixedly mounted on the top of the card strip 303. A limited slide groove 309 is opened at the bottom of the card block 301. The limited slider 305 is slidably connected with the limited slide groove 309. A card slot 2 304 is opened on the inner wall of the card slot 1 302. The card strip 303 is clamped in the second clamping slot 304, a limiting rod 310 is fixedly installed on the inner wall of the limiting slide slot 309, a rod hole 306 is opened on the limiting slider 305, the limiting rod 310 movably passes through the rod hole 306, a spring 307 is surrounded by the outer wall of the limiting rod 310, one end of the spring 307 is fixedly installed on one side of the limiting slider 305, and the other end of the spring 307 is fixedly installed on the inner wall of the limiting slide slot 309, a support plate 308 is fixedly installed on the top of the inner wall of the support frame 1, and the support plate 308 is in close contact with the top surface of the light source board 2.

[0026] Specifically, when installing the light source board 2, the card strip 303 can be pulled to move the card strip 303 toward the light source board 2, and the card strip 303 drives the limiting slider 305 to compress the spring 307, and then the light source board 2 is inserted into the support frame 1, so that the light source board 2 is pressed against the plate 308, so that the card block 301 is inserted into the card slot 1 302, and when the card block 301 is completely inserted into the card slot 1 302, the card strip 303 is released, and at this time the limiting slider 305 will drive the card strip 303 to move toward the card slot 1 302 under the restoring force of the spring 307, and finally the card strip 303 is inserted into the card slot 2 304, and the card block 301 is limited in the card slot 1 302, completing the installation of the light source board 2, and when the light source board 2 needs to be disassembled, it is pulled toward the light source board again. Pull the card strip 303 in the 2nd direction to make the card strip 303 disengage from the card slot 2 304, so that the card strip 303 no longer limits the card block 301, and the light source board 2 will pop out of the support frame 1 under the restoring force of the anti-plate 308, so as to quickly complete the disassembly. This mechanism is convenient for personnel to disassemble and assemble the light source board 2 when they need to maintain it, thereby improving the work efficiency of the personnel, and there is a gap between the support frame 1 during installation, which is convenient for air circulation, thereby greatly improving the heat dissipation effect of the light source board 2, and solves the problem that in the prior art solution, the light source board 2 is not convenient for personnel to disassemble it after being installed in the installation slot, affecting the work efficiency of personnel, and the air circulation between the light source board 2 and the support plate is poor, resulting in poor heat dissipation effect of the light source board 2, thereby affecting the normal service life of the light source board 2.

[0027] Furthermore, the number of the abutment plates 308 is two, and the material of the abutment plates 308 is elastic PVC material;

[0028] Wherein, by providing the abutment plate 308 , when the light source panel 2 is disassembled, the support frame 1 can be popped out under the elastic action of the abutment plate 308 , which is convenient for personnel to operate.

[0029] Furthermore, the number of the card slots 302 is two, and the card block 301 is adapted to the card slots 302;

[0030] The card block 301 is provided so that the card block 301 can be inserted into the card slot 1 302 , thereby limiting the position of the light source panel 2 .

[0031] Furthermore, the card strip 303 is matched with the second card slot 304, and the limit slider 305 is matched with the limit slide slot 309;

[0032] By providing the clamping strip 303 , the clamping strip 303 can be clamped into the second clamping slot 304 , thereby limiting and fixing the clamping block 301 in the first clamping slot 302 .

[0033] Embodiment 2:

[0034] Based on the first embodiment, the combined backlight source provided by the present invention is preferably implemented as follows: Figures 1 to 4 As shown: a heat dissipation port 4 is provided at the top of the inner wall of the support frame 1 , and a heat dissipation fin 5 is fixedly installed on the inner wall of the heat dissipation port 4 .

[0035] Specifically, the above technical solution further improves the heat dissipation effect of the light source board 2 by providing heat dissipation fins 5 and heat dissipation ports 4, avoids excessive heat accumulation of the light source board 2 after long-term use, and increases the service life of the light source board 2. The structure is simple and practical.

[0036] Furthermore, the number of the heat dissipation fins 5 is several.

[0037] The embodiments of the present invention are provided for the purpose of illustration and description, and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments are selected and described to better illustrate the principles and practical applications of the present invention, and to enable those of ordinary skill in the art to understand the present invention and thereby design various embodiments with various modifications suitable for specific uses.

Claims

1. A combined backlight source, comprising a support frame (1) and a light source panel (2), characterized in that: The light source panel (2) is inserted into the support frame (1), and a disassembly and assembly mechanism (3) is provided between the light source panel (2) and the support frame (1); The disassembly and assembly mechanism (3) comprises a card block (301) and a card strip (303). The number of the card blocks (301) is two. The two card blocks (301) are fixedly mounted on both sides of the light source panel (2), respectively. The bottom end of the support frame (1) is connected to the inner wall and is provided with a card slot 1 (302). The card block (301) is engaged in the card slot 1 (302). A limiting slide block (305) is fixedly mounted on the top of the card strip (303). A limiting slide groove (309) is provided at the bottom end of the card block (301). The limiting slide block (305) is slidably connected to the limiting slide groove (309). A card slot 2 (304) is provided on the inner wall of the card slot 1 (302). The clamping strip (303) is clamped in the second clamping slot (304), and a limiting rod (310) is fixedly installed on the inner wall of the limiting slide groove (309). A rod hole (306) is opened on the limiting slider (305), and the limiting rod (310) can be movably passed through the rod hole (306). A spring (307) is surrounded by the outer wall of the limiting rod (310), and one end of the spring (307) is fixedly installed on one side of the limiting slider (305), and the other end of the spring (307) is fixedly installed on the inner wall of the limiting slide groove (309). A resist plate (308) is fixedly installed on the top of the inner wall of the support frame (1), and the resist plate (308) is in close contact with the top surface of the light source panel (2).

2. The combined backlight source according to claim 1, characterized in that: The number of the abutment plates (308) is two, and the material of the abutment plates (308) is elastic PVC material.

3. The combined backlight source according to claim 1, characterized in that: The number of the card slots (302) is two, and the card block (301) is adapted to the card slots (302).

4. The combined backlight source according to claim 1, characterized in that: The clamping strip (303) is matched with the second clamping slot (304), and the limiting sliding block (305) is matched with the limiting sliding slot (309).

5. The combined backlight source according to claim 1, characterized in that: A heat dissipation opening (4) is provided at the top of the inner wall of the support frame (1), and a heat dissipation fin (5) is fixedly mounted on the inner wall of the heat dissipation opening (4).

6. The combined backlight source according to claim 5, characterized in that: The number of the heat dissipation fins (5) is several.

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