Frame body structure of liquid crystal display screen backlight source

Abstract

The utility model discloses a frame body structure of a liquid crystal display screen backlight source, which relates to the field of liquid crystal display screens and comprises supporting vertical rods, a matching cross rod is horizontally arranged on the side edge between the supporting vertical rods, and a rotating end block is clamped on one side edge of the supporting vertical rods and one side edge of the matching cross rod. A clamping side plate is arranged on one side edge of the supporting vertical rod and one side edge of the matched transverse rod in a butt joint mode, buckling through holes are symmetrically formed in one side edge of the supporting vertical rod and one side edge of the matched transverse rod, a matched angle block is connected between the supporting vertical rod and the matched transverse rod in a buckling mode, and a matched inserting hole is formed in the side edge of the matched angle block. A horizontal channel is horizontally formed in one side edge of the supporting vertical rod and one side edge of the matched transverse rod, a transmission screw rod is horizontally inserted into the inner side edge of the horizontal channel, and an end clamping block is clamped to the inner side edge of the horizontal channel. And meanwhile, the splicing installation is more convenient and efficient under the connecting structure of the buckle.

Description

Technical Field

[0001] The utility model relates to the technical field of liquid crystal display screens, in particular to a frame structure of a backlight source of a liquid crystal display screen. Background Art

[0002] Liquid crystal display (LCD) is a type of display used in digital clocks and many portable computers. LCD displays use two polarized materials with a liquid crystal solution between them. When an electric current passes through the liquid, the crystals are rearranged so that light cannot pass through them. Therefore, each crystal acts like a shutter, allowing light to pass through and blocking light. Liquid crystal display (LCD) Currently, scientific and technological information products are developing towards the goal of being light, thin, short and small, and display products with a long history in computer peripherals are of course no exception.

[0003] When installing current LCD screens, a fixed frame structure is used for installation, which does not have an adjustable effect and affects the installation and use of screens of various specifications and sizes. At the same time, the integrated structure does not have variability and its use is subject to certain restrictions. In addition, the various bolt fixing and connection operations make the installation more cumbersome and affect the efficiency. Utility Model Content

[0004] The purpose of the utility model is to provide a frame structure for a backlight source of a liquid crystal display screen, so as to solve the problem raised in the above background technology that, when installing the current liquid crystal display screen, a fixed frame structure is used for installation operation, which has no adjustment effect and affects the installation and use of display screens of various specifications and sizes. At the same time, the integrated structure has no variability and its use is subject to certain restrictions. In addition, the various bolt fixing connection operations make the installation more cumbersome and affect the efficiency.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A frame structure of a backlight source for a liquid crystal display screen comprises support vertical rods, a matching cross rod is horizontally arranged on the side between the support vertical rods, a rotating end block is clamped on one side of the support vertical rod and the matching cross rod, a clamping side plate is butt-jointed on one side of the support vertical rod and the matching cross rod, buckle through holes are symmetrically provided on one side of the support vertical rod and the matching cross rod, a matching corner block is buckled at the end between the support vertical rod and the matching cross rod, a matching plug hole is provided on the side of the matching corner block, a horizontal groove is horizontally provided on one side of the support vertical rod and the matching cross rod, a transmission screw is horizontally inserted on the inner side of the horizontal groove, and an end clamping screw is clamped on the inner side of the horizontal groove Block, a transmission screw hole is opened on the side of the end clamping block, an inner pad rubber plate is fixedly bonded on the side between the clamping side plates, a side rubber plate is horizontally fixedly bonded on one side of the supporting vertical rod and the matching cross rod, end sockets are symmetrically opened at both ends of the supporting vertical rod and the matching cross rod, inner buckle holes are symmetrically opened on the inner sides of the matching sockets, plug-in end blocks are symmetrically fixed at both ends of the matching angle block, a buckle oblique block is clamped on one side of the plug-in end block, a connecting plug-in block is plugged on the inner side of the matching socket, side slots are symmetrically opened on both sides of the connecting plug-in block, a connecting card block is clamped on the inner side of the side slot, and a supporting spring is clamped on the inner side of the side slot.

[0007] As a preferred embodiment of the present utility model: the number of the supporting vertical rods and the matching horizontal rods are both two, and the supporting vertical rods and the matching horizontal rods are arranged in a U-shaped shape with respect to each other, the rotating end blocks are correspondingly clamped and arranged at the center position of the side edges of the supporting vertical rods and the matching horizontal rods, and one side edge of the rotating end block is fixedly arranged at one end position of the transmission screw.

[0008] As a preferred embodiment of the utility model: the clamping side plates are arranged in pairs and parallel to each other, the snap-on through holes are symmetrically opened on the sides of the supporting vertical rod and the matching horizontal rod near the two ends, and the extended ends of the snap-on through holes extend to the inner side of the end socket to maintain the connection.

[0009] As a preferred implementation mode of the present invention: the number of the matching corner blocks is four, and the specifications and dimensions of the four matching corner blocks are set consistently, the two ends of the matching corner blocks are correspondingly docked at the open ends of the end sockets, the matching sockets are opened on the side of the matching corner blocks close to the two ends, and the horizontal groove is horizontally opened at the center line position of one side of the supporting vertical rod and the matching horizontal rod.

[0010] As a preferred embodiment of the utility model: one end of the end clamping block is horizontally extended and fixedly arranged at the center position of one side edge of the clamping side plate, the transmission screw hole is sleeved and arranged on the outer side edge of the transmission screw rod, and the inner rubber pad is made of soft rubber material, and the inner rubber pad is horizontally fixedly arranged at the center position of the side edge between the clamping side plates, and the side rubber plate is horizontally fixedly arranged at the center position of the side midline of the supporting vertical rod and the matching horizontal rod.

[0011] As a preferred embodiment of the present utility model: the plug-in end block is correspondingly plug-in arranged on the inner side of the end socket, the buckle bevel block is correspondingly snap-fitted arranged on the inner side of the buckle through hole, there are multiple connecting blocks, and the two ends of the multiple connecting blocks are correspondingly plug-in arranged on the inner sides of adjacent matching sockets, one end of the connecting card block is correspondingly snap-fitted arranged inside the inner buckle hole, and one end of the supporting spring is docked and arranged on the plug-in end of the connecting card block.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] The utility model arranges the supporting vertical rods and the matching horizontal rods at the four side positions of the display screen, and the side rubber plates of the side are butt-jointed and arranged at the side positions of the display screen. After the rotating end blocks at the opposite side are rotated, the transmission screw is driven to rotate. Under the drive of the transmission screw, the two end clamping blocks are horizontally moved along the inner side of the horizontal groove, and the clamping side plate at one end is moved toward the center position, so that the two side edges of the display screen are clamped and fixed. The inner rubber plates at the intermediate positions squeeze and fix the two side edges of the display screen, and the plug-in end blocks at the two ends of the matching corner blocks are correspondingly plugged into the inner side of the end plug holes. On the side, the buckled oblique blocks on the side are clamped and set on the inner side of the buckled through hole and fixed, so that the supporting vertical rod and the matching horizontal rod can wrap and fix the edge of the display screen. When multiple display screens are spliced ​​and installed, multiple connecting blocks can be plugged into the inside of the matching sockets. Under the support of the supporting spring, the connecting block is clamped and set inside the inner buckle hole, so that the two integral frames can be spliced ​​and installed. The split structure makes it possible to perform splicing and installation as needed. At the same time, the buckle connection structure makes the splicing and installation more convenient and efficient. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Other features, objects and advantages of the present invention will become more apparent by reading the detailed description of non-limiting embodiments with reference to the following drawings:

[0015] Figure 1 It is a three-dimensional structural schematic diagram of a frame structure of a liquid crystal display backlight source;

[0016] Figure 2 It is a structural schematic diagram of the top view cross-sectional connection details of the supporting vertical rods of the frame structure of the backlight source of a liquid crystal display screen;

[0017] Figure 3 It is a structural schematic diagram of the front view cross-section connection details of the supporting vertical rods of the frame structure of the backlight source of a liquid crystal display screen;

[0018] Figure 4 It is a structural schematic diagram of the front view cross-sectional connection details of the matching corner blocks of a frame structure of a liquid crystal display backlight source;

[0019] Figure 5 The present invention is a structural schematic diagram showing the front view cross-sectional connection details of a connection end block of a frame structure of a liquid crystal display backlight source.

[0020] In the figure: 1. Support vertical rod; 2. Matching cross rod; 3. Rotating end block; 4. Clamping side plate; 5. Snap-on through hole; 6. Matching angle block; 7. Matching socket; 8. Horizontal channel; 9. Transmission screw; 10. End clamping block; 11. Transmission screw hole; 12. Inner rubber plate; 13. Side rubber plate; 14. End socket; 15. Inner buckle hole; 16. Plug-in end block; 17. Snap-on oblique block; 18. Connecting plug block; 19. Side slot; 20. Connecting block; 21. Support spring. DETAILED DESCRIPTION

[0021] See also Figure 1 In an embodiment of the utility model, a frame structure of a backlight source of a liquid crystal display screen includes a support vertical rod 1, a matching cross rod 2 is horizontally arranged on the side between the support vertical rods 1, a rotating end block 3 is clamped on one side of the support vertical rod 1 and the matching cross rod 2, the number of the support vertical rod 1 and the matching cross rod 2 are both two, and the support vertical rod 1 and the matching cross rod 2 are arranged in a square shape with each other, the rotating end blocks 3 are correspondingly clamped and arranged at the center position of the side of the support vertical rod 1 and the matching cross rod 2, and one side of the rotating end block 3 is fixedly arranged at one end position of a transmission screw 9, a clamping side plate 4 is arranged on one side of the support vertical rod 1 and the matching cross rod 2, and the support vertical rod 1 and the matching cross rod 2 are connected. One side is symmetrically provided with snap-on through holes 5, and the clamping side plates 4 are respectively arranged in pairs and parallel to each other. The snap-on through holes 5 are symmetrically arranged on the sides of the supporting vertical rod 1 and the matching horizontal rod 2 near the two ends, and the extended ends of the snap-on through holes 5 extend to the inner sides of the end plug holes 14 to maintain the connection setting. A matching corner block 6 is buckled between the supporting vertical rod 1 and the matching horizontal rod 2, and a matching plug hole 7 is arranged on the side of the matching corner block 6. There are four matching corner blocks 6, and the specifications and sizes of the four matching corner blocks 6 are all arranged consistently. Both ends of the matching corner block 6 are correspondingly docked at the open ends of the end plug holes 14, and the matching plug holes 7 are arranged on the sides of the matching corner block 6 near the two ends and are externally arranged;

[0022] See also Figure 2-5In the embodiment of the utility model, a frame structure of a backlight source of a liquid crystal display screen is provided, wherein a horizontal groove 8 is horizontally provided on one side of a supporting vertical rod 1 and a matching horizontal rod 2, the horizontal groove 8 is horizontally provided at a midline position of one side of the supporting vertical rod 1 and the matching horizontal rod 2, a transmission screw 9 is horizontally inserted into the inner side of the horizontal groove 8, an end clamping block 10 is clamped on the inner side of the horizontal groove 8, a transmission screw hole 11 is provided on the side of the end clamping block 10, and an inner pad is fixedly bonded to the side between the clamping side plates 4 The rubber plate 12, the side edge of the support vertical rod 1 and the matching cross bar 2 is horizontally fixed and bonded with a side rubber plate 13, one end of the end clamping block 10 is horizontally extended and fixedly set at the center position of one side edge of the clamping side plate 4, the transmission screw hole 11 is sleeved and set at the outer side edge of the transmission screw 9, and the inner rubber plate 12 is made of soft rubber material. The inner rubber plate 12 is horizontally fixed and set at the center position of the side between the clamping side plates 4, and the side rubber plate 13 is horizontally fixed and set at the support vertical rod 1 and the matching cross bar 2. At the center of the side midline of the crossbar 2, end plug holes 14 are symmetrically provided at both ends of the supporting vertical bar 1 and the matching crossbar 2, inner buckle holes 15 are symmetrically provided on the inner side of the matching plug hole 7, plug-in end blocks 16 are symmetrically fixedly provided at both ends of the matching corner block 6, one side of the plug-in end block 16 is clamped with a buckle oblique block 17, a connecting plug block 18 is clamped with the inner side of the matching plug hole 7, side card slots 19 are symmetrically provided on both sides of the connecting plug block 18, and a connecting card block 20 is clamped with the inner side of the side card slot 19. The inner side edge of the side slot 19 is clamped with a support spring 21, the plug-in end block 16 is correspondingly plug-in set on the inner side edge of the end socket 14, the buckle bevel block 17 is correspondingly plug-in set on the inner side edge of the buckle through hole 5, there are multiple connecting blocks 18, and the two ends of the multiple connecting blocks 18 are correspondingly plug-in set on the inner sides of adjacent matching sockets 7, one end of the connecting block 20 is correspondingly clamped and set inside the inner buckle hole 15, and one end of the support spring 21 is docked and set at the plug-in end of the connecting block 20.

[0023] The working principle of the utility model is:

[0024] The supporting vertical rod 1 and the matching horizontal rod 2 are buckled and set at the four side positions of the display screen, and the side rubber plates 13 are docked and set at the side positions of the display screen. After the rotating end block 3 on the opposite side is rotated, the transmission screw 9 is driven to rotate. Under the drive of the transmission screw 9, the two end clamping blocks 10 move horizontally along the inner side of the horizontal groove 8, and the clamping side plate 4 at one end moves toward the center position, so that the two sides of the display screen are clamped and fixed. The inner rubber plate 12 in the middle position squeezes and fixes the two sides of the display screen. The plug-in end blocks 16 at both ends of the corner block 6 are correspondingly plugged into the inner side edges of the end sockets 14, and the side buckling oblique blocks 17 are snap-fitted and fixed on the inner side edges of the buckling through holes 5, so that the supporting vertical rods 1 and the matching horizontal rods 2 perform a wrap-type fixing operation on the edge of the display screen. When multiple display screens are spliced ​​and installed, multiple connecting blocks 18 can be plugged into the inside of the matching sockets 7, and the connecting card blocks 20 are snap-fitted and set inside the inner buckle holes 15 under the support of the supporting springs 21, so that the two integral frames can be spliced ​​and installed.

[0025] What is described above is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A frame structure of a liquid crystal display backlight source, comprising a supporting vertical rod (1), characterized in that: A matching cross bar (2) is horizontally arranged on the side between the supporting vertical bars (1), and a rotating end block (3) is clamped on one side of the supporting vertical bars (1) and the matching cross bar (2). A clamping side plate (4) is butt-jointed on one side of the supporting vertical bars (1) and the matching cross bar (2). A buckling through hole (5) is symmetrically provided on one side of the supporting vertical bars (1) and the matching cross bar (2). A matching angle block (6) is buckled between the ends of the supporting vertical bars (1) and the matching cross bar (2), and a matching insertion hole (7) is provided on the side of the matching angle block (6). A horizontal groove (8) is horizontally provided on one side of the supporting vertical bars (1) and the matching cross bar (2), and a transmission screw (9) is horizontally inserted into the inner side of the horizontal groove (8), and an end clamping block (10) is clamped on the inner side of the horizontal groove (8), and a transmission screw (9) is provided on the side of the end clamping block (10). The supporting vertical rod (1) and the matching horizontal rod (2) are symmetrically provided with end plug holes (14), and the inner side edges of the matching plug holes (7) are symmetrically provided with inner buckle holes (15). The two ends of the matching corner block (6) are symmetrically fixed with plug-in end blocks (16), and one side edge of the plug-in end block (16) is clamped with a buckle oblique block (17). The inner side edge of the matching plug hole (7) is clamped with a connecting plug block (18), and the two sides of the connecting plug block (18) are symmetrically provided with side slots (19), and the inner side edge of the side slot (19) is clamped with a connecting block (20), and the inner side edge of the side slot (19) is clamped with a supporting spring (21).

2. The frame structure of a liquid crystal display backlight source according to claim 1, characterized in that: The number of the supporting vertical rods (1) and the matching horizontal rods (2) are both two, and the supporting vertical rods (1) and the matching horizontal rods (2) are arranged in a square shape with respect to each other. The rotating end blocks (3) are correspondingly connected and arranged at the center positions of the side edges of the supporting vertical rods (1) and the matching horizontal rods (2), and one side edge of the rotating end block (3) is fixedly arranged at one end position of the transmission screw rod (9).

3. The frame structure of a liquid crystal display backlight source according to claim 1, characterized in that: The clamping side plates (4) are arranged in pairs and are parallel and symmetrical to each other. The buckle through holes (5) are symmetrically opened on the sides of the supporting vertical rod (1) and the matching horizontal rod (2) near the two ends, and the extended ends of the buckle through holes (5) extend to the inner side of the end plug hole (14) to maintain the connection.

4. The frame structure of a liquid crystal display backlight source according to claim 1, characterized in that: The number of the matching corner blocks (6) is four, and the specifications and sizes of the four matching corner blocks (6) are all set to be consistent. The two ends of the matching corner blocks (6) are correspondingly connected to the open ends of the end sockets (14). The matching sockets (7) are arranged on the side of the matching corner blocks (6) close to the two ends and are externally arranged. The horizontal groove (8) is horizontally arranged at the center line position of one side of the supporting vertical rod (1) and the matching horizontal rod (2).

5. The frame structure of a liquid crystal display backlight source according to claim 1, characterized in that: One end of the end clamping block (10) extends horizontally and is fixedly arranged at the center position of one side of the clamping side plate (4); the transmission screw hole (11) is sleeved and arranged on the outer side of the transmission screw rod (9) for threaded connection; the inner rubber pad (12) is made of soft rubber material; the inner rubber pad (12) is horizontally fixedly arranged at the center position of the side between the clamping side plates (4); and the side rubber plate (13) is horizontally fixedly arranged at the center position of the side center line of the supporting vertical rod (1) and the matching horizontal rod (2).

6. The frame structure of a liquid crystal display backlight source according to claim 1, characterized in that: The plug-in terminal block (16) is correspondingly plug-in-arranged on the inner side of the end plug hole (14), the buckle bevel block (17) is correspondingly snap-fitted on the inner side of the buckle through hole (5), the number of the connecting plug blocks (18) is multiple, and the two ends of the multiple connecting plug blocks (18) are correspondingly plug-fitted on the inner side of the adjacent matching plug holes (7), one end of the connecting card block (20) is correspondingly snap-fitted on the inside of the inner buckle hole (15), and one end of the support spring (21) is butt-jointed on the plug-in end of the connecting card block (20).

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