CN216748366U

CN216748366U - Direct type high-brightness backlight module of large-size liquid crystal display LED matrix

Info

Publication number: CN216748366U
Application number: CN202123313906.3U
Authority: CN
Inventors: 姜贵平; 阚波; 王斌
Original assignee: Shenzhen Huayu Gaoxian Electronic Technology Co ltd
Current assignee: Shenzhen Huayu Gaoxian Electronic Technology Co ltd
Priority date: 2021-12-27
Filing date: 2021-12-27
Publication date: 2022-06-14
Anticipated expiration: 2031-12-27

Abstract

The utility model discloses a large-size liquid crystal display LED matrix direct type high-brightness backlight module, which comprises a frame body, wherein a waterproof plate is arranged on the inner side of the frame body, a backlight module is arranged on the inner side of the waterproof plate, limit parts are clamped and connected on two sides of the backlight module, limit openings are arranged on the side walls of the two sides of the frame body, a limit block is arranged below the limit parts, one side of the limit block is fixedly connected with the side wall of the frame body, limit posts are fixedly connected on the side wall of the limit parts, are clamped in a cavity and are in sliding connection with the inner wall of the cavity, a spring is arranged between the side wall of the cavity and the limit posts, so that the limit posts are limited, when a rack moves upwards and the limit parts are pressed to move towards the inner side of the frame body, a clamping seat is driven to be clamped on two sides of the backlight module in the frame body, so that the functions of limiting and fixing are realized, the stability of backlight unit installation time is improved.

Description

Direct type high-brightness backlight module of large-size liquid crystal display LED matrix

Technical Field

The utility model relates to the technical field of backlight modules, in particular to a direct type high-brightness backlight module of a large-size liquid crystal display LED matrix.

Background

The backlight module is one of the key components of the liquid crystal display panel. The backlight module has the functions of supplying sufficient light sources with uniform brightness and distribution, enabling the light sources to normally display images, ensuring that the backlight module is stably installed, and being crucial to the display function of the liquid crystal screen, and the existing backlight module is poor in installation stability, so that the direct type high-brightness backlight module with the large-size liquid crystal screen LED matrix is provided for solving the problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a direct type high-brightness backlight module of a large-size liquid crystal display LED matrix, which is used for solving the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a high bright backlight unit of jumbo size LCD screen LED matrix straight following formula, includes the framework, waterproof plate is installed to the framework inboard, waterproof plate inboard is provided with backlight unit, the spacing joint in backlight unit both sides has the locating part, the locating part is provided with spacing mouthful, spacing mouthful is seted up in framework both sides lateral wall, the locating part below is provided with the stopper, stopper one side fixed connection is at the framework lateral wall, stopper one side is provided with drive assembly, the drive assembly symmetry sets up in the framework both sides.

Preferably, the limiting part side wall is fixedly connected with a limiting column, one side of the limiting column is provided with a spring, the bottom end of the limiting part is fixedly connected with a clamping seat, the two sides of the clamping seat are fixedly connected with extending columns, a limiting cavity is formed in the side wall of the frame body, the limiting column is clamped in the cavity, and the spring is arranged between the limiting column and the inner side wall of the limiting cavity.

Preferably, the transmission assembly comprises a rack, a gear block is connected to one side of the rack in a meshed mode, a rotating sheet is arranged above the gear block, a fixed plate is connected to one end of the rotating sheet in a rotating mode, an elastic piece is arranged on the lower end face of the rotating sheet, one end of the elastic piece is fixedly connected to the side wall of the fixed plate, a connecting shaft is arranged below the elastic piece, the connecting shaft is fixedly connected to the axis position of the gear block, the connecting shaft is connected with the fixed plate in a rotating mode, a clamping block is fixedly connected to the lower end face of the rotating sheet, and the clamping block is clamped with the gear block.

Preferably, rack lateral wall fixedly connected with spacing slider, the spout has been seted up to the stopper inboard, spacing slider and spout sliding connection, the arc wall of indent is seted up to the rack inside wall, the inboard fixedly connected with spacing groove in stopper bottom, rack and spacing groove sliding connection.

Compared with the prior art, the utility model has the following beneficial effects:

according to the utility model, the limiting opening is formed in the side wall of the frame body, the cavity is formed in the inner side of the limiting opening, the limiting post is fixedly connected to the side wall of the limiting piece through the limiting piece, the limiting post is clamped in the cavity and is in sliding connection with the inner wall of the cavity, and the spring is arranged between the side wall of the cavity and the limiting post, so that the limiting effect on the limiting post is achieved.

The gear block is arranged, the gear block is meshed with the rack to rotate, when the gear block is rotated, the rack is driven to move upwards so as to press the limiting piece, the limiting piece is arranged on the outer side of the rack and used for limiting the rack, meanwhile, the clamping block is arranged above the gear block, and the top end of the clamping block is fixedly connected to the lower end face of the rotating piece, so that when the gear block is limited, the gear block can be limited by clamping the clamping block between the gear blocks, and the rack is prevented from shifting.

Drawings

FIG. 1 is a schematic view of the structure of the present invention;

FIG. 2 is a schematic view of the backside structure of the present invention;

FIG. 3 is a schematic structural view of a limiting mechanism of the present invention;

FIG. 4 is a schematic view of a position limiting member according to the present invention;

FIG. 5 is a schematic view of the rack structure of the present invention;

fig. 6 is a schematic view of a connection structure between a limiting member and a sidewall of a frame body according to the present invention.

In the figure: 1. a frame body; 101. a limiting port; 102. a limit cavity; 2. a limiting member; 21. a limiting column; 22. a spring; 23. a card holder; 3. a limiting block; 31. a limiting groove; 4. a rack; 41. a gear block; 42. a rotating sheet; 421. an elastic member; 422. a clamping block; 43. a fixing plate; 44. a limiting slide block; 5. waterproof plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-6, the present invention provides a technical solution: a large-size liquid crystal display LED matrix direct type high-brightness backlight module comprises a frame body 1, a waterproof plate 5 is installed on the inner side of the frame body 1, a backlight module is arranged on the inner side of the waterproof plate 5, limiting parts 2 are clamped on two sides of the backlight module, limiting posts 21 on the limiting parts 2 are clamped in limiting cavities 102 through the limiting parts 2, springs 22 are arranged between the limiting posts 21 and the limiting cavities 102, so that the limiting parts 2 are limited, when racks 4 are pressed to one ends of the limiting parts 2, the limiting parts 2 are pressed inwards, so that the backlight module is limited, the stability of the module is improved, the limiting parts 2 are provided with limiting ports 101, the limiting ports 101 are arranged on two side walls of the frame body 1, a limiting block 3 is arranged below the limiting parts 2, one side of the limiting block 3 is fixedly connected to the side wall of the frame body 1, and one side of the limiting block 3 is provided with a transmission assembly, through setting up drive assembly, drive rack 4 through rotating gear piece 41 and upwards perhaps remove downwards to spacing 2 has set up fixture block 422 simultaneously, fixture block 422 sets up to end face under rotatable sheet 42 for fixed connection, adjusts fixture block 422 to gear piece 41 spacing through rotating rotatable sheet 42, drive assembly symmetry sets up in framework 1 both sides.

In order to improve the stability of the backlight module, the side wall of the position-limiting member 2 is fixedly connected with a position-limiting column 21, a spring 22 is arranged on one side of the limiting post 21, a clamping seat 23 is fixedly connected with the bottom end of the limiting piece 2, the two sides of the clamping seat 23 are fixedly connected with extending columns, a limit cavity 102 is arranged inside the side wall of the frame body 1, the limiting column 21 is clamped in the cavity, a spring 22 is arranged between the limiting column 21 and the inner side wall of the limiting cavity 102, the limiting post 21 arranged on the limiting piece 2 is clamped in the limiting cavity 102, and the spring 22 is arranged between the limiting post 21 and the limiting cavity 102, thereby limiting the limiting piece 2, when the rack 4 presses one end of the limiting piece 2, the limiting piece 2 is pressed inwards, therefore, the backlight module is limited, the clamping seat 23 is clamped in the clamping groove in the side edge of the backlight module, and the stability of the backlight module is improved.

In order to limit the limiting part 2, the transmission assembly comprises a rack 4, one side of the rack 4 is engaged and connected with a gear block 41, a rotating piece 42 is arranged above the gear block 41, one end of the rotating piece 42 is rotatably connected with a fixed plate 43, the lower end surface of the rotating piece 42 is provided with an elastic part 421, one end of the elastic part 421 is fixedly connected with the side wall of the fixed plate 43, a connecting shaft is arranged below the elastic part 421, the connecting shaft is fixedly connected with the axis position of the gear block 41, the connecting shaft is rotatably connected with the fixed plate 43, the lower end surface of the rotating piece 42 is fixedly connected with a clamping block 422, the clamping block 422 is clamped with the gear block 41, the side wall of the rack 4 is fixedly connected with a limiting slide block 44, the inner side of the limiting block 3 is provided with a slide groove, the limiting slide block 44 is slidably connected with the slide groove, and the inner side wall of the rack 4 is provided with an inward-concave arc-shaped groove, the inboard fixedly connected with spacing groove 31 in 3 bottom of stopper, rack 4 and spacing groove 31 sliding connection rotate the department through setting up

rack

4 and 41 meshing of gear piece to drive rack 4 and upwards or move down, when rack 4 pressed on locating part 2, make locating part 2 carry on spacingly to backlight unit, thereby improve stability.

The working principle is as follows: during the use, place backlight unit in framework 1, drive rack 4 rebound through clockwise rotation matter fast 41, when rack 4 moves locating part 2 in the pressure, make spring 22 shrink, spacing post 21 slides at spacing cavity 102, cassette 23 moves to the inboard pressure, the card is at the backlight unit lateral wall, pull up rotor plate 42 and let fixture block 422 spacing between the tooth piece of gear block 41, thereby play limiting displacement, when needing to take off backlight unit, pull up rotor plate 42, make fixture block 422 shift out, anticlockwise rotation gear block 41, make rack 4 remove downwards, cancel spacing to locating part 2.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a high bright backlight unit of straight following of jumbo size LCD screen LED matrix, includes framework (1), its characterized in that: waterproof plate (5) are installed to framework (1) inboard, waterproof plate (5) inboard is provided with backlight unit, the spacing joint in backlight unit both sides has locating part (2), locating part (2) are provided with spacing mouthful (101), framework (1) both sides lateral wall is seted up in spacing mouthful (101), locating part (2) below is provided with stopper (3), stopper (3) one side fixed connection is in framework (1) lateral wall, stopper (3) one side is provided with drive assembly, the drive assembly symmetry sets up in framework (1) both sides.

2. The direct type high brightness backlight module of large size liquid crystal display LED matrix according to claim 1, characterized in that: spacing post (21) of locating part (2) lateral wall fixedly connected with, spacing post (21) one side is provided with spring (22), locating part (2) bottom fixedly connected with cassette (23), cassette (23) both sides fixedly connected with extends the cylinder, spacing cavity (102) have been seted up to framework (1) lateral wall is inside, spacing post (21) card is in the cavity, and is provided with spring (22) between spacing post (21) and spacing cavity (102) inside wall.

3. The direct type high brightness backlight module of large size liquid crystal display LED matrix according to claim 1, characterized in that: the transmission assembly comprises a rack (4), a gear block (41) is connected to one side of the rack (4) in a meshed mode, a rotating sheet (42) is arranged above the gear block (41), a fixing plate (43) is connected to one end of the rotating sheet (42) in a rotating mode, an elastic piece (421) is arranged on the lower end face of the rotating sheet (42), one end of the elastic piece (421) is fixedly connected to the side wall of the fixing plate (43), a connecting shaft is arranged below the elastic piece (421), the connecting shaft is fixedly connected to the axis position of the gear block (41), the connecting shaft is rotatably connected with the fixing plate (43), a clamping block (422) is fixedly connected to the lower end face of the rotating sheet (42), and the clamping block (422) is connected with the gear block (41).

4. The direct type high brightness backlight module of large size LCD screen LED matrix according to claim 3, characterized in that: rack (4) lateral wall fixedly connected with spacing slider (44), the spout has been seted up to stopper (3) inboard, spacing slider (44) and spout sliding connection, the arc wall of indent is seted up to rack (4) inside wall, stopper (3) bottom inboard fixedly connected with spacing groove (31), rack (4) and spacing groove (31) sliding connection.