LED backlight source panel structure

Abstract

The utility model relates to the technical field of LED backlight source panels, and discloses an LED backlight source panel structure which comprises an upper mounting frame and a lower mounting frame, a mounting groove is formed in the upper mounting frame and the lower mounting frame, a backlight source panel body is arranged in the mounting groove, fixing devices and locking devices are arranged on the two sides of the upper mounting frame and the two sides of the lower mounting frame, and each fixing device comprises a connecting rod. A limiting groove is formed in the upper end of the lower mounting frame, limiting holes are formed in the two sides of the limiting groove, moving grooves are formed in the two sides of the connecting rod, first telescopic springs are fixedly connected to the inner walls of the moving grooves, the backlight source panel body is placed in the mounting groove, the limiting blocks on the two sides of the upper mounting frame are pressed, and the first telescopic springs contract; then the connecting rod is inserted into the limiting groove, after the limiting block enters, the first telescopic spring is reset to clamp the limiting block into the limiting hole, the pull rod is pulled, the second telescopic spring is stressed and contracted, the pull rod is loosened after the upper mounting frame is mounted, the second telescopic spring is reset, and the pull rod is driven to ascend and clamped with the positioning hole.

Description

Technical Field

[0001] The utility model relates to the technical field of LED backlight panels, in particular to an LED backlight panel structure. Background Art

[0002] LED backlight panel is a liquid crystal display. The LED backlight panel plays a key role in the liquid crystal display. In order to improve the display effect and save energy, it is very important to design an effective LED backlight panel structure. The following is a common LED backlight panel structure;

[0003] In the prior art, most of them increase stability by fixing bolts or screws on the back plate through tools. This fixing method is repetitive and cumbersome, and requires drilling in advance, which greatly reduces work efficiency. Utility Model Content

[0004] The utility model aims to provide an LED backlight panel structure to solve the problem in the above background technology that fixing bolts or screws on the back panel by tools to increase stability reduces work efficiency.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an LED backlight panel structure, comprising an upper mounting frame and a lower mounting frame, the upper mounting frame and the lower mounting frame are provided with mounting grooves inside, the mounting grooves are provided with a backlight panel body inside, fixing devices and locking devices are provided on both sides of the upper mounting frame and the lower mounting frame, the fixing device comprises a connecting rod fixedly installed on the bottom of the upper mounting frame, a limiting groove adapted to the connecting rod is provided on the upper end of the lower mounting frame, limiting holes are provided on both sides of the limiting groove, and movable grooves are provided on both sides of the connecting rod, the inner wall of the movable groove is fixedly connected with a first telescopic spring, and the other end of the first telescopic spring is fixedly connected with a limiting block.

[0006] As a preferred solution, the limit block is arranged at an oblique angle, and the limit block is matched with the limit hole.

[0007] As a preferred solution, the inner walls of the four corners of the upper mounting frame and the lower mounting frame are fixedly connected with mounting sleeve rods, a movable rod is slidably connected inside the mounting sleeve rods, a third telescopic spring is fixedly connected between the inner wall of the mounting sleeve rods and the movable rod, and a rubber plate is fixedly connected to one end of the movable rod away from the third telescopic spring, and the side of the rubber plate away from the movable rod is against the backlight source panel body.

[0008] As a preferred solution, the locking device includes a fixed block and a connecting plate, the fixed block is fixedly installed on the outer wall of one side of the upper mounting frame, the connecting plate is fixedly installed on the outer wall of one side of the lower mounting frame, and the connecting plate is arranged directly below the fixed block, the internal sliding connection of the connecting plate is provided with a pull rod, and the circumferential surface of the pull rod is fixedly connected to a limiting plate above the connecting plate.

[0009] As a preferred solution, a second telescopic spring is fixedly connected between the limit plate and the connecting plate, the second telescopic spring is sleeved on the outer surface of the pull rod, and a positioning hole is opened on the side surface of the fixed block close to the connecting plate, and the positioning hole is adapted to the pull rod.

[0010] As a preferred solution, the fixing device and the locking device are provided in two groups and are symmetrically arranged on the backlight source panel body.

[0011] Technical effects and advantages of the utility model:

[0012] 1. Through the setting of the fixing device and the locking device, first place the backlight panel body in the installation groove of the lower installation frame, press the limit blocks on both sides of the upper installation frame, the first telescopic spring is forced to shrink, and then the connecting rod is inserted into the limit groove. After the limit block enters, the first telescopic spring is reset to clamp the limit block into the limit hole to complete the fixation, pull the pull rod, and the second telescopic spring is forced to shrink. After the installation of the upper installation frame is completed, release the pull rod, the second telescopic spring is reset, and the pull rod is driven to rise and clamp with the positioning hole to complete the locking, so as to prevent looseness between the upper installation frame and the lower installation frame, and also ensure the stability of the installation of the backlight panel body.

[0013] 2. Before placing the backlight panel body in the mounting groove of the lower mounting frame, squeeze the rubber plates on both sides, shrink the movable rod inside the mounting sleeve rod, and shrink the third telescopic spring. After the backlight panel body is placed, put on the upper mounting frame, loosen the rubber plate, and reset the third telescopic spring, so that the rubber plate is against the backlight panel body, completing the clamping and fixing, and further improving the stability of the installation. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a three-dimensional structural schematic diagram of the utility model.

[0015] Figure 2 It is a structural schematic diagram of the utility model in a front view plane.

[0016] Figure 3 It is a structural schematic diagram of the utility model in front view section.

[0017] Figure 4 It is a structural schematic diagram of the locking device of the utility model.

[0018] Figure 5The utility model is a schematic diagram of the internal structure of the mounting sleeve rod.

[0019] Figure 6 for Figure 1 A is an enlarged structural diagram of FIG.

[0020] Figure 7 It is a schematic diagram of the internal structure of the connecting rod of the utility model.

[0021] In the figure: 1. upper mounting frame; 2. lower mounting frame; 3. fixing device; 4. locking device; 5. mounting sleeve rod; 6. mounting slot; 7. backlight panel body; 31. connecting rod; 32. limiting block; 33. limiting hole; 34. limiting slot; 35. first telescopic spring; 36. movable slot; 41. fixing block; 42. pulling rod; 43. positioning hole; 44. connecting plate; 45. second telescopic spring; 46. limiting plate; 51. rubber plate; 52. movable rod; 53. third telescopic spring. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] The utility model provides Figure 1-7The LED backlight panel structure shown in the figure includes an upper mounting frame 1 and a lower mounting frame 2, wherein mounting grooves 6 are provided inside the upper mounting frame 1 and the lower mounting frame 2, and a backlight panel body 7 is provided inside the mounting grooves 6, and fixing devices 3 and locking devices 4 are provided on both sides of the upper mounting frame 1 and the lower mounting frame 2, and the fixing device 3 includes a connecting rod 31 fixedly installed at the bottom of the upper mounting frame 1, and a limiting groove 34 adapted to the connecting rod 31 is provided on the upper end of the lower mounting frame 2, and limiting holes 33 are provided on both sides of the limiting groove 34, and moving grooves 36 are provided on both sides of the connecting rod 31, and a first telescopic spring 35 is fixedly connected to the inner wall of the moving groove 36, and the other end of the first telescopic spring 35 is fixedly connected to a limiting block 32, and the limiting block 32 is arranged at an oblique angle, and the limiting block 32 and the limiting hole 33 are fixedly connected. Correspondingly, the locking device 4 includes a fixing block 41 and a connecting plate 44, the fixing block 41 is fixedly installed on one side outer wall of the upper mounting frame 1, the connecting plate 44 is fixedly installed on one side outer wall of the lower mounting frame 2, and the connecting plate 44 is arranged directly below the fixing block 41, the inner part of the connecting plate 44 is slidably connected with a pull rod 42, the circumferential surface of the pull rod 42 and the upper part of the connecting plate 44 are fixedly connected with a limiting plate 46, a second telescopic spring 45 is fixedly connected between the limiting plate 46 and the connecting plate 44, the second telescopic spring 45 is sleeved on the outer surface of the pull rod 42, a positioning hole 43 is opened on one side surface of the fixing block 41 close to the connecting plate 44, the positioning hole 43 is adapted to the pull rod 42, the fixing device 3 and the locking device 4 are both provided with two groups and are symmetrically arranged with the backlight panel body 7;

[0024] First, place the backlight panel body 7 in the mounting groove 6 of the lower mounting frame 2, press the limit blocks 32 on both sides of the upper mounting frame 1, and the first telescopic spring 35 will be forced to shrink. Then, insert the connecting rod 31 into the limit groove 34. After the limit block 32 enters, the first telescopic spring 35 will reset and clamp the limit block 32 into the limit hole 33 to complete the fixation. Pull the pull rod 42 and the second telescopic spring 45 will be forced to shrink. After the installation of the upper mounting frame 1 is completed, release the pull rod 42, and the second telescopic spring 45 will reset, driving the pull rod 42 to rise and clamp with the positioning hole 43 to complete the locking, thereby preventing looseness between the upper mounting frame 1 and the lower mounting frame 2 and ensuring the stability of the installation of the backlight panel body 7.

[0025] In this embodiment, the inner walls of the four corners of the upper mounting frame 1 and the lower mounting frame 2 are fixedly connected with mounting sleeve rods 5, and the inner part of the mounting sleeve rods 5 is slidably connected with a movable rod 52, and a third telescopic spring 53 is fixedly connected between the inner wall of the mounting sleeve rod 5 and the movable rod 52, and one end of the movable rod 52 away from the third telescopic spring 53 is fixedly connected with a rubber plate 51, and the side of the rubber plate 51 away from the movable rod 52 is against the backlight panel body 7;

[0026] Before placing the backlight panel body 7 in the mounting groove 6 of the lower mounting frame 2, squeeze the rubber sheets 51 on both sides, shrink the movable rod 52 inside the mounting sleeve rod 5, and shrink the third telescopic spring 53. After the backlight panel body 7 is placed, put on the upper mounting frame 1, loosen the rubber sheet 51, and reset the third telescopic spring 53, so that the rubber sheet 51 is against the backlight panel body 7, completing the clamping and fixing, and further improving the stability of the installation.

[0027] Working principle of the utility model: The utility model is a LED backlight panel structure. First, the backlight panel body 7 is placed in the installation groove 6 of the lower installation frame 2. Before that, the rubber plates 51 on both sides are squeezed, the movable rod 52 is contracted inside the installation sleeve rod 5, and the third telescopic spring 53 is contracted. After the backlight panel body 7 is placed, the rubber plate 51 is released, and the third telescopic spring 53 is reset, so that the rubber plate 51 and the backlight panel body 7 are abutted, and the backlight panel body 7 is initially clamped and fixed, and the limit blocks on both sides of the upper installation frame 1 are pressed. 32, the first telescopic spring 35 is forced to shrink, and then the connecting rod 31 is inserted into the limit groove 34. After the limit block 32 enters, the first telescopic spring 35 is reset to clamp the limit block 32 into the limit hole 33 to complete the fixation, and the pull rod 42 is pulled. The second telescopic spring 45 is forced to shrink. After the upper installation frame 1 is installed, the pull rod 42 is released, and the second telescopic spring 45 is reset, driving the pull rod 42 to rise and clamp with the positioning hole 43 to complete the locking, preventing looseness between the upper installation frame 1 and the lower installation frame 2, and also ensuring the stability of the installation of the backlight panel main body 7.

[0028] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An LED backlight panel structure, comprising an upper mounting frame (1) and a lower mounting frame (2), characterized in that: The upper mounting frame (1) and the lower mounting frame (2) are provided with mounting grooves (6), and a backlight panel body (7) is provided inside the mounting grooves (6). Fixing devices (3) and locking devices (4) are provided on both sides of the upper mounting frame (1) and the lower mounting frame (2). The fixing device (3) comprises a connecting rod (31) fixedly mounted on the bottom of the upper mounting frame (1). The upper end of the lower mounting frame (2) is provided with a limiting groove (34) matched with the connecting rod (31). Limiting holes (33) are provided on both sides of the limiting groove (34). Moving grooves (36) are provided on both sides of the connecting rod (31). The inner wall of the moving groove (36) is fixedly connected to a first telescopic spring (35), and the other end of the first telescopic spring (35) is fixedly connected to a limiting block (32).

2. The LED backlight panel structure according to claim 1, characterized in that: The limiting block (32) is arranged at an oblique angle, and the limiting block (32) is matched with the limiting hole (33).

3. The LED backlight panel structure according to claim 1, characterized in that: The inner walls at the four corners of the upper mounting frame (1) and the lower mounting frame (2) are all fixedly connected with mounting sleeve rods (5), the interior of the mounting sleeve rod (5) is slidably connected with a movable rod (52), a third telescopic spring (53) is fixedly connected between the inner wall of the mounting sleeve rod (5) and the movable rod (52), one end of the movable rod (52) away from the third telescopic spring (53) is fixedly connected with a rubber plate (51), and the side of the rubber plate (51) away from the movable rod (52) abuts against the backlight source panel body (7).

4. The LED backlight panel structure according to claim 1, characterized in that: The locking device (4) comprises a fixed block (41) and a connecting plate (44), wherein the fixed block (41) is fixedly mounted on an outer wall of one side of the upper mounting frame (1), and the connecting plate (44) is fixedly mounted on an outer wall of one side of the lower mounting frame (2), and the connecting plate (44) is arranged directly below the fixed block (41), and a pull rod (42) is slidably connected inside the connecting plate (44), and a limiting plate (46) is fixedly connected to the circumferential surface of the pull rod (42) and located above the connecting plate (44).

5. The LED backlight panel structure according to claim 4, characterized in that: A second telescopic spring (45) is fixedly connected between the limit plate (46) and the connecting plate (44), and the second telescopic spring (45) is sleeved on the outer surface of the pull rod (42). A positioning hole (43) is opened on the side surface of the fixed block (41) close to the connecting plate (44), and the positioning hole (43) is adapted to the pull rod (42).

6. The LED backlight panel structure according to claim 1, characterized in that: The fixing device (3) and the locking device (4) are both provided in two groups and are symmetrically arranged on the backlight source panel body (7).

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