CN211528871U

CN211528871U - Backlight module for liquid crystal display

Info

Publication number: CN211528871U
Application number: CN202020480968.XU
Authority: CN
Inventors: 傅林水
Original assignee: Shenzhen Wanhongsheng Plastic Mould Co ltd
Current assignee: Shenzhen Wanhongsheng Plastic Mould Co ltd
Priority date: 2020-04-05
Filing date: 2020-04-05
Publication date: 2020-09-18
Anticipated expiration: 2030-04-05

Abstract

The utility model relates to a backlight unit technical field just discloses a backlight unit for LCD, including fixed frame, the inside of fixed frame is provided with backlight unit, backlight unit's external fixation is provided with the carriage, the four corners department of fixed frame is the fixed block that is provided with all, and is a plurality of first cavity, a plurality of first cavity has all been seted up to the inside of fixed block the fixed firm mechanism that is provided with in inside of first cavity, the fixed buffer block that is provided with the symmetry in both ends of carriage, backlight unit's the fixed connecting block that is provided with of lower lateral wall. The utility model discloses, convenient operation can prevent effectively that the data line from droing because rocking of LED display screen and backlight unit causes with backlight unit's wiring end and the wiring end fixed connection of LED display screen, improves backlight unit's life greatly.

Description

Backlight module for liquid crystal display

Technical Field

The utility model relates to a backlight unit technical field especially relates to a backlight unit for LCD.

Background

An LED liquid crystal display is collectively called an LED backlight source liquid crystal display. According to the principle of the liquid crystal display, liquid crystal molecules refract light of a backlight source to present different colors, and the liquid crystal molecules cannot emit light and are mainly realized by the irradiation of the backlight source.

Backlight unit often carries out the data line through the link of wiring end with the LED display screen and is connected, and at the in-process that uses, liquid crystal display falls to cause backlight unit to produce acutely to rock easily by accident, leads to backlight unit's wiring end and the wiring end of LED display screen to drop easily, causes backlight unit's data line to be pulled absolutely, influences backlight unit's life.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving among the prior art backlight unit's wiring end and LED display screen's wiring end and causing the data line to drop because rocking easily, cause the wiring end to damage, influence backlight unit life's problem, and a backlight unit for LCD that provides.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a backlight module for a liquid crystal display comprises a fixing frame, wherein a backlight module is arranged in the fixing frame, a connecting frame is fixedly arranged outside the backlight module, fixed blocks are fixedly arranged at four corners of the fixing frame, a plurality of first cavities are formed in the fixed blocks, a stabilizing mechanism is fixedly arranged in the first cavities, symmetrical buffer blocks are fixedly arranged at two ends of the connecting frame, a connecting block is fixedly arranged on the lower side wall of the backlight module, a first data wire is fixedly arranged on the lower side wall of the connecting block, a first mounting end is fixedly arranged at the lower end of the first data wire, a second data wire is arranged at the lower end of the first mounting end, a second mounting end is fixedly arranged at the upper end of the second data wire, the first mounting end is in contact connection with the second mounting end, and a sliding block is slidably connected outside the first data wire, symmetrical third cavities are formed in the sliding block, and fixing mechanisms are fixedly arranged in the third cavities.

Preferably, the stabilizing mechanism comprises a limiting block, the limiting block is connected with the side wall of the first cavity in a sliding mode, a spring is fixedly arranged on the side wall of the limiting block, a first U-shaped block is fixedly arranged at one end, deviating from the spring, of the limiting block, a symmetrical second U-shaped block is fixedly arranged on the side wall of the connecting frame, and the first U-shaped block and the second U-shaped block are connected through a shaft pin in a rotating mode to form a connecting rod.

Preferably, fixed establishment includes the lead screw, the lead screw transversely sets up the inside at the third cavity, the left end of lead screw passes through the bearing and is connected with the lateral wall rotation of third cavity, the right-hand member of lead screw runs through the right side wall of third cavity and extends to outside and fixed rotatory piece that is provided with, the pole wall threaded connection of lead screw has the promotion piece, promote the fixed kelly that is provided with the symmetry of the lateral wall of piece, the draw-in groove of symmetry, two is seted up to the lateral wall of second installation end kelly and two the joint between the draw-in groove.

Preferably, the side wall of the fixing frame is provided with symmetrical mounting holes.

Preferably, a rubber ball is fixedly arranged inside the buffer block.

Compared with the prior art, the utility model provides a backlight unit for LCD possesses following beneficial effect:

1. this backlight unit for liquid crystal display through stopper, spring, first U type piece, the cooperation of second U type piece and connecting rod jointly, stabilizes the reinforcement to the template in a poor light, prevents to cause in the use not hard up between template in a poor light and the LED display screen.

2. This backlight unit for liquid crystal display through the slider, promote the common cooperation of piece, kelly, lead screw and rotatory piece, and it is fixed with first link and second link to stabilize, prevents in the use that the link is not hard up, influences the life of template in a poor light.

The part that does not relate to among the device all is the same with prior art or can adopt prior art to realize, the utility model discloses, convenient operation can effectively prevent to lead to the fact the data line to drop because rocking of LED display screen and backlight unit with backlight unit's wiring end and the wiring end fixed connection of LED display screen, improves backlight unit's life greatly.

Drawings

Fig. 1 is a schematic front structural view of a backlight module for a liquid crystal display according to the present invention;

FIG. 2 is an enlarged schematic view of portion A of FIG. 1;

fig. 3 is an enlarged schematic view of a portion B in fig. 1.

In the figure: the backlight module comprises a fixing frame 1, a backlight module 2, a connecting frame 3, a fixing block 4, a buffer block 5, a connecting block 6, a first data line 7, a first mounting end 8, a second data line 9, a second mounting end 10, a sliding block 11, a limiting block 12, a spring 13, a connecting rod 14, a screw rod 15, a rotating block 16, a pushing block 17 and a clamping rod 18.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-3, a backlight module for a liquid crystal display, comprising a fixing frame 1, a backlight module 2 is arranged inside the fixing frame 1, symmetrical mounting holes are formed on the side wall of the fixing frame 1, a connecting frame 3 is fixedly arranged outside the backlight module 2, fixing blocks 4 are fixedly arranged at four corners of the fixing frame 1, first cavities are formed inside the fixing blocks 4, a stabilizing mechanism is fixedly arranged inside the first cavities, the stabilizing mechanism comprises a limiting block 12, the limiting block 12 is slidably connected with the side wall of the first cavity, a spring 13 is fixedly arranged on the side wall of the limiting block 12, a first U-shaped block is fixedly arranged at one end of the limiting block 12 departing from the spring 13, symmetrical second U-shaped blocks are fixedly arranged on the side wall of the connecting frame 3, a connecting rod 14 is rotatably connected between the first U-shaped block and the two second U-shaped blocks through a shaft pin, symmetrical buffer blocks 5 are fixedly arranged at two ends of the connecting, the inside of the buffer block 5 is fixedly provided with a rubber ball, the lower side wall of the backlight module 2 is fixedly provided with a connecting block 6, the lower side wall of the connecting block 6 is fixedly provided with a first data line 7, the lower end of the first data line 7 is fixedly provided with a first mounting end 8, the lower end of the first mounting end 8 is provided with a second data line 9, the upper end of the second data line 9 is fixedly provided with a second mounting end 10, the first mounting end 8 is in contact connection with the second mounting end 10, the outside of the first data line 7 is in sliding connection with a slide block 11, the inside of the slide block 11 is provided with symmetrical third cavities, the insides of the two third cavities are respectively and fixedly provided with a fixing mechanism, the fixing mechanism comprises a screw rod 15, the screw rod 15 is transversely arranged inside the third cavities, the left end of the screw rod 15 is rotatably connected with the side walls of the third cavities through a bearing, the right end of the screw rod 15 penetrates through the right side wall of, the rod wall of the screw rod 15 is in threaded connection with a pushing block 17, symmetrical clamping rods 18 are fixedly arranged on the side wall of the pushing block 17, symmetrical clamping grooves are formed in the side wall of the second mounting end 10, and the two clamping rods 18 are clamped with the two clamping grooves.

In the utility model, the spring 13 pushes the stopper 12, the stopper 12 drives the first U-shaped block with fixedly connected side walls to move, the two first U-shaped blocks drive the connecting rod 14 with rotary connection to move, the connecting rod 14 pushes the second U-shaped block with rotary connection to firmly fix the backlight template 2, thereby preventing the backlight template 2 from shaking in use, the first mounting end 8 is inserted with the second mounting end 10, the slider 11 is moved, the slider 11 is contacted and connected with the side wall of the second mounting end 10, the rotating block 16 is rotated, the rotating block 16 drives the screw rod 15 to rotate, the screw rod 15 drives the pushing block 17 with screw thread connection on the rod wall to move, the pushing block 17 drives the clamping rod 18 with fixed connection on the side wall to move, so that the two clamping rods 18 are clamped with the two clamping grooves, the first mounting end 8 is fixedly connected with the second mounting end 10, when in use, the first data line 7 is not loosened from the second data line 9, affecting the life of the backlight template 2.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The backlight module for the liquid crystal display comprises a fixed frame (1) and is characterized in that a backlight module (2) is arranged inside the fixed frame (1), a connecting frame (3) is fixedly arranged outside the backlight module (2), fixed blocks (4) are fixedly arranged at four corners of the fixed frame (1), a first cavity is formed in each of the fixed blocks (4), a stabilizing mechanism is fixedly arranged inside each of the first cavities, symmetrical buffer blocks (5) are fixedly arranged at two ends of the connecting frame (3), a connecting block (6) is fixedly arranged on the lower side wall of the backlight module (2), a first data line (7) is fixedly arranged on the lower side wall of the connecting block (6), a first mounting end (8) is fixedly arranged at the lower end of the first data line (7), a second data line (9) is arranged at the lower end of the first mounting end (8), the upper end of second data line (9) is fixed and is provided with second installation end (10), first installation end (8) and second installation end (10) contact are connected, the outside sliding connection of first data line (7) has slider (11), the third cavity of symmetry, two are seted up to the inside of slider (11 the inside of third cavity is all fixed and is provided with fixed establishment.

2. The backlight module of claim 1, wherein the fixing mechanism comprises a limiting block (12), the limiting block (12) is slidably connected to a side wall of the first cavity, a spring (13) is fixedly arranged on a side wall of the limiting block (12), a first U-shaped block is fixedly arranged at one end of the limiting block (12) away from the spring (13), symmetrical second U-shaped blocks are fixedly arranged on a side wall of the connecting frame (3), and a connecting rod (14) is rotatably connected between the first U-shaped block and the two second U-shaped blocks through a shaft pin.

3. The backlight module of claim 1, wherein the fixing mechanism comprises a lead screw (15), the lead screw (15) is transversely disposed inside the third cavity, the left end of the lead screw (15) is rotatably connected with the side wall of the third cavity through a bearing, the right end of the lead screw (15) penetrates through the right side wall of the third cavity, extends to the outside and is fixedly provided with a rotating block (16), the rod wall of the lead screw (15) is in threaded connection with a pushing block (17), the side wall of the pushing block (17) is fixedly provided with symmetrical clamping rods (18), the side wall of the second mounting end (10) is provided with symmetrical clamping grooves, and the clamping rods (18) are in clamping connection with the clamping grooves.

4. The backlight module for the LCD as claimed in claim 1, wherein the sidewall of the fixing frame (1) is provided with symmetrical mounting holes.

5. The backlight module for LCD device as claimed in claim 1, wherein the inside of the buffer block (5) is fixedly provided with rubber balls.