LED backlight source display module

Abstract

The utility model provides a light-emitting diode (LED) backlight display module, which relates to the technical field of LED light bar modules and comprises a support box, a support frame is arranged on the upper portion of the support box, a working plate is in sliding contact with the inside of the support frame, and a limiting mechanism for positioning the working plate is arranged between the support frame and the support box. The limiting mechanism comprises a sliding block fixed to the bottom of the supporting frame, the bottom of the sliding block penetrates through the upper surface of the supporting box and is fixedly provided with a trapezoidal block, the limiting mechanism further comprises two fixing rods fixed to the inner side of the supporting box, and the outer surfaces of the two fixing rods are rotationally connected with supporting rods. According to the LED backlight source display module, the working plate is placed in the supporting frame, the supporting frame is pressed through the weight of the working plate, the supporting frame, the trapezoidal block, the supporting rod and the connecting block are matched to drive the limiting plate to move so as to carry out positioning operation on the working plate, the use stability of the working plate is improved, and the time needed for disassembling and assembling the display module is shortened.

Description

Technical Field

[0001] The utility model relates to an LED light bar display module, in particular to an LED backlight source display module, and belongs to the technical field of LED light bar modules. Background Art

[0002] LED light bar module is a widely used backlight source, usually used for the backlighting of display screens. Using LED light bar module as a backlight source has high brightness: LED light bar module has high brightness and can provide sufficient light source to make the screen display clearer and brighter: LED light bar module has low energy consumption, long service life, does not contain harmful substances, meets environmental protection standards, and has good uniformity.

[0003] An LED backlight liquid crystal display module disclosed in the Chinese patent application publication specification CN216772738U solves the problem that the existing LED backlight liquid crystal display module often has low brightness, large color difference between the displayed image and the original image, and low clarity when in actual use.

[0004] Although the above solution can solve the problems of low brightness and low clarity of the display module, the LED backlight liquid crystal display module in the above patent is not convenient for quick installation when in use. The above display module requires professional operators to use tools for installation, and the disassembly and assembly takes a long time. For this reason, we provide a LED backlight display module to solve the above problems. Utility Model Content

[0005] (1) Technical issues solved

[0006] The utility model provides an LED backlight source display module to solve the problem in the prior art that the LED light bar display module is inconvenient to quickly install the display module when in use.

[0007] (2) Technical solution

[0008] The utility model is implemented through the following technical scheme: an LED backlight display module, including a support box, a support frame is arranged on the upper part of the support box, a work plate is slidably contacted inside the support frame, and a limiting mechanism for positioning the work plate is arranged between the support frame and the support box.

[0009] The above-mentioned limiting mechanism comprises a sliding block fixed to the bottom of the supporting frame, and the bottom of the sliding block penetrates the upper surface of the supporting box and is fixed with a trapezoidal block.

[0010] The above-mentioned limiting mechanism also includes two fixing rods fixed on the inner side of the supporting box, the outer surfaces of the two fixing rods are rotatably connected to the supporting rods, the bottom ends of the two supporting rods are fixed with limiting shafts, a tension spring is fixed between the two limiting shafts, the top ends of the two supporting rods are fixed with connecting blocks, and the outer surfaces of the two connecting blocks are fixed with limiting plates.

[0011] Support plates are fixed on both sides of the upper surface of the support box, two movable grooves are provided on one side of the two support plates, positioning mechanisms for positioning both sides of the work plates are provided on the sides of the two support plates away from the work plates, and transmission mechanisms for driving the positioning mechanisms to move are provided on the sides of the two support plates close to the work plates.

[0012] The above-mentioned transmission mechanism includes a connecting plate fixed at one end of the supporting frame and a fixed frame fixed at one side of the supporting plate, the inner side wall of the fixed frame is slidably connected with a movable plate, a side of the movable plate is provided with a heart-shaped slide groove, and two connecting shafts are fixed on the top of the connecting plate, and the top ends of the two connecting shafts both pass through the bottom of the fixed frame and are fixed to the bottom of the movable plate.

[0013] The transmission mechanism also includes a limit rod rotatably connected to a side of the fixed frame, a movable shaft is fixed to the top of the limit rod, the outer surface of the movable shaft is slidably connected to the inside of the heart-shaped slide groove, and a compression spring is fixed between the bottom of the movable plate and the inner bottom wall of the fixed frame.

[0014] The above-mentioned positioning mechanism includes two transmission plates fixed on one side of the movable plate, and one side of the two transmission plates is provided with an inclined groove. The distance between the top end of the two inclined grooves and the movable plate is smaller than the distance between the bottom end of the inclined groove and the movable plate, and the outer surfaces of the two transmission plates are slidably connected to the inside of the movable groove.

[0015] The above-mentioned positioning mechanism also includes a support block fixed on one side of the support plate, one side of the support block is rotatably connected to an arc rod, and a sliding rod is fixed to one end of the arc rod close to the support block, and both ends of the sliding rod are respectively slidably connected to the inside of two inclined sliding grooves.

[0016] The utility model provides an LED backlight display module, which has the following beneficial effects:

[0017] 1. The LED backlight display module places the work board inside the support frame, presses the support frame with the weight of the work board itself, and drives the limit plate to move to position the work board through the cooperation between the support frame, trapezoidal block, support rod and connecting block, thereby improving the stability of the work board and reducing the time required for disassembly and assembly of the display module.

[0018] 2. The LED backlight display module drives the connecting plate to move through the support frame, drives the arc rod to rotate through the cooperation between the connecting plate, the connecting shaft, the moving plate, the transmission plate and the sliding rod, and fixes the two sides of the working plate again through the arc rod, thereby improving the position stability of the working plate when in use. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the utility model;

[0020] Figure 2 It is a front view of the overall structure of the utility model;

[0021] Figure 3 It is a three-dimensional structural schematic diagram of the limiting mechanism in the utility model;

[0022] Figure 4 It is a three-dimensional structural schematic diagram of the transmission mechanism in the utility model;

[0023] Figure 5 It is a three-dimensional structural schematic diagram of the positioning mechanism in the utility model.

[0024] Description of Reference Numerals

[0025] 1. Support box; 2. Work board; 3. Support frame;

[0026] 4. Limiting mechanism; 41. Sliding block; 42. Trapezoidal block; 43. Fixing rod; 44. Support rod; 45. Limiting shaft; 46. Tension spring; 47. Connecting block; 48. Limiting plate;

[0027] 5. Moving slot; 6. Support plate;

[0028] 7. Transmission mechanism; 71. Connecting plate; 72. Connecting shaft; 73. Moving plate; 74. Heart-shaped slideway; 75. Fixed frame; 76. Limiting rod; 77. Moving shaft; 78. Compression spring;

[0029] 8. Positioning mechanism; 81. Transmission plate; 82. Inclined slide groove; 83. Support block; 84. Arc rod; 85. Sliding rod. DETAILED DESCRIPTION

[0030] The embodiment of the utility model provides an LED backlight display module.

[0031] See also Figure 1 and Figure 2 , including a support box 1, a support frame 3 is arranged on the upper part of the support box 1, a work plate 2 is slidably contacted inside the support frame 3, and a limiting mechanism 4 for positioning the work plate 2 is arranged between the support frame 3 and the support box 1.

[0032] See also Figure 3The limiting mechanism 4 includes a slider 41 fixed to the bottom of the support frame 3 , and the bottom of the slider 41 penetrates the upper surface of the support box 1 and is fixed with a trapezoidal block 42 .

[0033] The limiting mechanism 4 also includes two fixed rods 43 fixed on the inner side of the support box 1, and the outer surfaces of the two fixed rods 43 are rotatably connected to support rods 44. The bottom ends of the two support rods 44 are fixed with limiting shafts 45, and a tension spring 46 is fixed between the two limiting shafts 45. The elastic tension of the support rods 44 is increased by the cooperation between the tension spring 46 and the two limiting shafts 45. The top ends of the two support rods 44 are fixed with connecting blocks 47, and the outer surfaces of the two connecting blocks 47 are fixed with limiting plates 48.

[0034] In the above scheme, the support frame 3 is pressed by the weight of the work board 2 itself, and the support frame 3 and the trapezoidal block 42 cooperate to drive the support rod 44 to rotate around the fixed rod 43, and the support rod 44 and the connecting block 47 drive the limit plate 48 to move to clamp the work board 2, thereby improving the stability of the work board 2.

[0035] See also Figure 1 and Figure 2 Support plates 6 are fixed on both sides of the upper surface of the support box 1, and two movable grooves 5 are provided on one side of the two support plates 6. Positioning mechanisms 8 for positioning both sides of the working board 2 are provided on the sides of the two support plates 6 away from the working board 2, and transmission mechanisms 7 for driving the positioning mechanisms 8 to move are provided on the sides of the two support plates 6 close to the working board 2.

[0036] See also Figure 4 The transmission mechanism 7 includes a connecting plate 71 fixed to one end of the support frame 3 and a fixing frame 75 fixed to one side of the support plate 6. The connecting plate 71 is driven to slide on one side of the support plate 6 by the support frame 3. The inner side wall of the fixing frame 75 is slidably connected with a moving plate 73. A heart-shaped sliding groove 74 is provided on one side of the moving plate 73. Two connecting shafts 72 are fixed to the top of the connecting plate 71. The top ends of the two connecting shafts 72 both pass through the bottom of the fixing frame 75 and are fixed to the bottom of the moving plate 73.

[0037] The transmission mechanism 7 also includes a limiting rod 76 rotatably connected to a side of the fixed frame 75, and a moving shaft 77 is fixed to the top of the limiting rod 76. The outer surface of the moving shaft 77 is slidably connected to the inside of the heart-shaped slide groove 74. The position of the moving plate 73 is positioned by the cooperation between the heart-shaped slide groove 74, the moving shaft 77 and the limiting rod 76 inside the moving plate 73. A compression spring 78 is fixed between the bottom of the moving plate 73 and the inner bottom wall of the fixed frame 75, and the compression spring 78 provides elastic support for the moving plate 73.

[0038] In the above scheme, the connecting plate 71 is driven to move by the support frame 3, and the movable plate 73 is driven to slide by the connecting plate 71 and the connecting shaft 72. The position of the movable plate 73 is positioned by the cooperation between the heart-shaped slide groove 74 inside the movable plate 73, the movable shaft 77 and the limit rod 76, thereby improving the transmission stability of the movable plate 73.

[0039] See also Figure 5 The positioning mechanism 8 includes two transmission plates 81 fixed on one side of the moving plate 73, and one side of the two transmission plates 81 is provided with an inclined groove 82. The distance between the top end of the two inclined grooves 82 and the moving plate 73 is smaller than the distance between the bottom end of the inclined groove 82 and the moving plate 73. The outer surfaces of the two transmission plates 81 are slidably connected to the inside of the moving groove 5.

[0040] The positioning mechanism 8 also includes a support block 83 fixed on one side of the support plate 6, and one side of the support block 83 is rotatably connected to an arc rod 84, and an end of the arc rod 84 close to the support block 83 is fixed to a slide rod 85, and both ends of the slide rod 85 are respectively slidably connected to the inside of two inclined slide grooves 82, and the arc rod 84 is driven to fix the side of the working plate 2 again through the cooperation between the inclined slide groove 82 inside the transmission plate 81 and the slide rod 85.

[0041] In the above scheme, the transmission plate 81 is driven to slide inside the moving groove 5 by the movable plate 73, and the cooperation between the inclined sliding groove 82 inside the transmission plate 81 and the sliding rod 85 drives the arc rod 84 to rotate around the support block 83, and the two sides of the work plate 2 are fixed again by the arc rod 84, thereby improving the position stability of the work plate 2 when in use, reducing the time required for disassembly and assembly of the display module, and improving the position stability of the work plate 2 when in use.

[0042] When the utility model is in use: when the display module is installed, the work board 2 is placed inside the support frame 3, the support frame 3 is pressed by the weight of the work board 2 itself, and the support rod 44 is driven to rotate around the fixed rod 43 through the cooperation between the support frame 3 and the trapezoidal block 42, and the elastic tension of the support rod 44 is increased through the cooperation between the tension spring 46 and the two limit shafts 45, and the limit plate 48 is driven to move through the support rod 44 and the connecting block 47 to clamp the work board 2, thereby improving the stability of the work board 2; at the same time, the connecting plate 71 is driven to move through the support frame 3, and the movable plate 7 is driven through the connecting plate 71 and the connecting shaft 72 3 slides, the position of the moving plate 73 is positioned by the cooperation between the heart-shaped sliding groove 74, the moving shaft 77 and the limiting rod 76 inside the moving plate 73, and the moving plate 73 is provided with elastic support by the compression spring 78; then the transmission plate 81 is driven by the moving plate 73 to slide inside the moving groove 5, and the arc rod 84 is driven to rotate around the support block 83 by the cooperation between the inclined sliding groove 82 inside the transmission plate 81 and the sliding rod 85, and the two sides of the working plate 2 are fixed again by the arc rod 84, so as to improve the position stability of the working plate 2 when in use, reduce the time required for disassembly and assembly of the display module, and improve the installation efficiency of the display module.

[0043] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. An LED backlight display module, comprising a support box (1), characterized in that: A support frame (3) is arranged on the upper part of the support box (1), a work plate (2) is slidably contacted inside the support frame (3), and a limiting mechanism (4) for positioning the work plate (2) is arranged between the support frame (3) and the support box (1); Support plates (6) are fixed on both sides of the upper surface of the support box (1), two movable grooves (5) are provided on one side of the two support plates (6), and positioning mechanisms (8) for positioning the two sides of the working plate (2) are provided on the sides of the two support plates (6) away from the working plate (2), and transmission mechanisms (7) for driving the positioning mechanisms (8) to move are provided on the sides of the two support plates (6) close to the working plate (2).

2. The LED backlight display module according to claim 1, characterized in that: The limiting mechanism (4) comprises a sliding block (41) fixed to the bottom of the support frame (3); the bottom of the sliding block (41) penetrates the upper surface of the support box (1) and is fixed with a trapezoidal block (42).

3. The LED backlight display module according to claim 2, characterized in that: The limiting mechanism (4) also includes two fixing rods (43) fixed on the inner side of the supporting box (1); the outer surfaces of the two fixing rods (43) are rotatably connected to the supporting rods (44); the bottom ends of the two supporting rods (44) are fixed with limiting shafts (45); a tension spring (46) is fixed between the two limiting shafts (45); the top ends of the two supporting rods (44) are fixed with connecting blocks (47); and the outer surfaces of the two connecting blocks (47) are fixed with limiting plates (48).

4. The LED backlight display module according to claim 1, characterized in that: The transmission mechanism (7) comprises a connecting plate (71) fixed to one end of the support frame (3) and a fixing frame (75) fixed to one side of the support plate (6); the inner side wall of the fixing frame (75) is slidably connected to a movable plate (73); a heart-shaped sliding groove (74) is provided on one side of the movable plate (73); two connecting shafts (72) are fixed to the top of the connecting plate (71); the top ends of the two connecting shafts (72) both pass through the bottom of the fixing frame (75) and are fixed to the bottom of the movable plate (73).

5. The LED backlight display module according to claim 4, characterized in that: The transmission mechanism (7) also includes a limit rod (76) rotatably connected to a side of the fixed frame (75), a movable shaft (77) is fixed to the top end of the limit rod (76), the outer surface of the movable shaft (77) is slidably connected to the inside of the heart-shaped slide groove (74), and a compression spring (78) is fixed between the bottom of the movable plate (73) and the inner bottom wall of the fixed frame (75).

6. The LED backlight display module according to claim 1, characterized in that: The positioning mechanism (8) comprises two transmission plates (81) fixed on one side of the moving plate (73); one side of the two transmission plates (81) is provided with an inclined slide groove (82); the distance between the top end of the two inclined slide grooves (82) and the moving plate (73) is smaller than the distance between the bottom end of the inclined slide groove (82) and the moving plate (73); and the outer surfaces of the two transmission plates (81) are slidably connected to the inside of the moving groove (5).

7. The LED backlight display module according to claim 6, characterized in that: The positioning mechanism (8) further comprises a support block (83) fixed on one side of the support plate (6); one side of the support block (83) is rotatably connected to an arc-shaped rod (84); one end of the arc-shaped rod (84) close to the support block (83) is fixed to a sliding rod (85); and both ends of the sliding rod (85) are respectively slidably connected to the inside of the two inclined sliding grooves (82).

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