CN218512761U

CN218512761U - Backlight assembly of display

Info

Publication number: CN218512761U
Application number: CN202222760655.1U
Authority: CN
Inventors: 王长东
Original assignee: Suzhou Aokefei Photoelectric Technology Co ltd
Current assignee: Suzhou Aokefei Photoelectric Technology Co ltd
Priority date: 2022-10-20
Filing date: 2022-10-20
Publication date: 2023-02-21
Anticipated expiration: 2032-10-20

Abstract

The utility model relates to a backlight unit of display in display technical field, which comprises a frame, the frame below is provided with the back frame, the frame inboard is provided with the diaphragm, frame bottom fixedly connected with fixed establishment, the back frame top is provided with the lamp area, the frame inboard is provided with the light guide plate, the frame right side is provided with complementary unit. Through setting up fixed establishment, in the use, fix frame and underframe through fixture block and draw-in groove and casing, put into the rectangular channel with the rectangular rod after fixed accomplishing, the stopper carries on spacingly to the piece that draws of both sides this moment, thereby make drawing of both sides the piece can't remove to the centre, the stability after fixed has been improved, furthermore, cancellation that can be quick is spacing to the back frame, can overhaul backlight unit inside this moment, the maintenance efficiency is improved, the fixed stability of back frame and frame has further been improved, avoid backlight unit to take place the phenomenon of rocking under the exogenic action.

Description

Backlight assembly of display

Technical Field

The utility model relates to a display technical field especially relates to backlight unit of display.

Background

The display is an I/O device of the computer, namely an input/output device. The system is a display tool for displaying a certain electronic file on a screen through a specific transmission device; the display can be divided into a cathode ray tube display, a plasma display and a liquid crystal display, wherein backlight components are arranged in the displays and are used for ensuring a light source device which emits light behind the liquid crystal display;

most of the frames and the back frame of the backlight assembly of the existing display are fixedly connected or fixed through a plurality of groups of screws, and the lamp strip or the light guide plate in the backlight assembly is damaged and then is inconvenient to take down the back frame to overhaul the interior of the back frame, so that the problem of difficulty in overhauling the backlight assembly is caused, and the backlight assembly of the display is provided for this reason.

SUMMERY OF THE UTILITY MODEL

To the problem, the utility model provides a backlight unit of display has the stopper and carries on spacingly to the piece that draws of both sides to make drawing of both sides piece can't remove to the centre, improved the stability after fixed, in addition, cancellation that can be quick is spacing to the back frame, can overhaul inside backlight unit this moment, has improved maintenance efficiency.

The technical scheme of the utility model is that: the backlight assembly of the display comprises a frame, wherein a rear frame is arranged below the frame, a diaphragm is arranged on the inner side of the frame, a fixing mechanism is fixedly connected to the bottom of the frame, a lamp belt is arranged at the top of the rear frame, a light guide plate is arranged on the inner side of the frame, and an auxiliary mechanism is arranged on the right side of the frame.

The fixing mechanism comprises a shell, the shell is fixedly connected to the bottom of the frame, clamping blocks are arranged on the left side and the right side in the shell, two clamping block opposite faces of the clamping blocks are fixedly connected with a spring, a pulling block is fixedly connected to the bottom of the clamping block, a groove is formed in the front side of the rear frame, clamping grooves are formed in the left side and the right side in the groove, a rectangular groove is formed in the bottom of the pulling block, a rectangular rod is arranged on the inner side of the rectangular groove, and a limiting block is fixedly connected to the outer surface of the rectangular rod.

In a further technical scheme, the two clamping blocks are respectively positioned on the inner sides of the corresponding clamping grooves and are connected to the inner side of the shell in a sliding mode.

In a further technical scheme, the bottom of the shell is provided with a connecting groove, and the bottom of the pull block penetrates through the connecting groove and extends out of the shell.

In a further technical scheme, the bottom of the shell is fixedly connected with a fixed block, a special-shaped groove is formed in the bottom of the fixed block, and the special-shaped groove is arranged to be large in top and small in bottom.

In a further technical scheme, the shell is located on the inner side of the groove, and the outer surface of the shell is tightly attached to the inner side of the groove.

In a further technical scheme, the auxiliary mechanism comprises a first movable groove, the first movable groove is formed in the front side of the frame body, a second movable groove is formed in the front side of the rear frame, and the same U-shaped block is arranged on the inner side of the first movable groove and the inner side of the second movable groove.

In a further technical scheme, bumps are arranged on the top and the bottom of the U-shaped block, limiting grooves are formed in the bottom of the second movable groove and the top of the first movable groove, and the bumps are located on the inner sides of the corresponding limiting grooves.

The beneficial effects of the utility model are that:

1. through setting up fixed establishment, in the use, fix frame and underframe through fixture block and draw-in groove and casing, put into the rectangular channel with the rectangular rod after fixed accomplishing, the stopper carries on spacingly to the piece that draws of both sides this moment to make drawing of both sides piece can't remove to the centre, improved the stability after fixed, in addition, cancellation that can be quick is spacing to the back frame, can overhaul the subassembly inside in a poor light this moment, improved maintenance efficiency.

2. Through setting up complementary unit, in the use, carry on spacingly through the left and right sides to frame and back frame to carry on spacingly from four directions of frame and back frame under the cooperation with fixed establishment, further improved the fixed stability of back frame and frame, avoid the phenomenon that backlight assembly takes place to rock under the exogenic action.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present invention;

FIG. 2 is a structural diagram of the overall structure of the embodiment of the present invention viewed from the bottom;

FIG. 3 is a schematic diagram of the embodiment of the present invention in a partially exploded view;

FIG. 4 is a view of a partial cross-section of an embodiment of the present invention;

FIG. 5 is a view of a fixing mechanism according to an embodiment of the present invention;

fig. 6 is a sectional view of the housing according to the embodiment of the present invention.

Description of reference numerals:

1. a frame; 2. a rear frame; 3. a fixing mechanism; 301. pulling the block; 302. a rectangular bar; 303. a housing; 304. a groove; 305. a card slot; 306. a clamping block; 307. a limiting block; 308. a fixed block; 309. a special-shaped groove; 310. connecting grooves; 311. a spring; 4. an auxiliary mechanism; 401. salient points; 402. a limiting groove; 403. a U-shaped block; 404. a first movable groove; 5. a membrane; 6. a light guide plate; 7. a light strip.

Detailed Description

The embodiments of the present invention will be further explained with reference to the drawings.

Example (b):

as shown in fig. 1-6, the backlight assembly of the display includes a frame 1, a rear frame 2 is disposed below the frame 1, a diaphragm 5 is disposed inside the frame 1, a fixing mechanism 3 is fixedly connected to the bottom of the frame 1, a lamp strip 7 is disposed at the top of the rear frame 2, a light guide plate 6 is disposed inside the frame 1, and an auxiliary mechanism 4 is disposed on the right side of the frame 1;

fixing mechanism 3 includes casing 303, casing 303 fixed connection is in 1 bottom of frame, and the left and right sides all is provided with fixture block 306 in casing 303, the same root spring 311 of two fixture block 306 opposite face fixedly connected with, fixture block 306 bottom fixedly connected with

draws piece

301, and 2 front sides of after-frame are opened and are equipped with recess 304, and draw-in groove 305 has all been seted up to the left and right sides in the recess 304, draw piece 301 bottom and seted up the rectangular channel, and the rectangular channel inboard is provided with rectangular rod 302, and rectangular rod 302 outer fixed surface is connected with stopper 307.

The working principle of the technical scheme is as follows:

when the rear frame 2 needs to be taken down, the limit of the auxiliary mechanism 4 is cancelled, the rectangular rod 302 is taken down, the two pull blocks 301 which are taken down from the rectangular rod 302 lose the limit of the limit block 307, the pull blocks 301 on the two sides are pulled towards the middle, the two pull blocks 301 move towards the middle to drive the clamping blocks 306 on the two sides to leave the corresponding clamping grooves 305, and after the clamping blocks 306 completely leave the clamping grooves 305, the rear frame 2 can be taken down at the moment to overhaul the inside of the rear frame.

In another embodiment, as shown in fig. 2, two latches 306 are respectively located inside the corresponding slots 305, and the latches 306 are slidably connected inside the housing 303.

The clamping block 306 and the clamping groove 305 limit the shell 303 and the rear frame 2, and the stability of fixing the rear frame 2 and the frame 1 is improved by limiting the rear frame 2.

In another embodiment, as shown in fig. 5, the bottom of the housing 303 is provided with a connecting slot 310, and the bottom of the pulling block 301 penetrates through the connecting slot 310 and extends to the outside of the housing 303.

The pulling block 301 is conveniently pulled under the action of the connecting groove 310, the pulling block 301 can move in the connecting groove 310, and the pulling of the pulling block 301 drives the fixture blocks 306 on the two sides to move, so that the fixture blocks 306 leave the clamping grooves 305.

In another embodiment, as shown in fig. 5, a fixing block 308 is fixedly connected to the bottom of the housing 303, a shaped groove 309 is formed in the bottom of the fixing block 308, and the shaped groove 309 is configured to have a large top and a small bottom.

The rectangular bar 302 is aligned with the rectangular slot, at which point the rectangular bar 302 is at the top of the profiled slot 309, pressing the rectangular bar 302 towards the inside of the profiled slot 309 until the rectangular bar 302 is fully entered but stops when inside the profiled slot 309.

In another embodiment, as shown in FIG. 2, the housing 303 is positioned inside the recess 304, and the outer surface of the housing 303 fits snugly inside the recess 304.

The clamping block 306 and the clamping groove 305 limit the shell 303 and the rear frame 2, and the shell 303 limits the frame 1 and the rear frame 2 under the action of the shell 303.

In another embodiment, as shown in fig. 3, the auxiliary mechanism 4 includes a first movable groove 404, the first movable groove 404 is opened on the front side of the frame body, a second movable groove is opened on the front side of the rear frame 2, and the same U-shaped block 403 is arranged on the inner side of the first movable groove 404 and the inner side of the second movable groove.

Aligning one side of the U-shaped block 403 with the first movable groove 404 and the second movable groove, and pushing the U-shaped block 403 towards the inner sides of the first movable groove 404 and the second movable groove until the U-shaped block 403 is completely inserted.

In another embodiment, as shown in fig. 4, the U-shaped block 403 has protruding points 401 at the top and bottom thereof, the second inner bottom of the movable groove and the first inner top of the movable groove 404 have limiting grooves 402, and the protruding points 401 are located at the inner sides of the corresponding limiting grooves 402.

When the U-shaped block 403 enters the first movable groove 404 and the second movable groove, the salient point 401 enters the corresponding limiting groove 402, when the salient point needs to be taken out, the U-shaped block 403 is pressed towards the middle until the salient point 401 leaves the limiting groove 402, and at this time, the U-shaped block 403 can be taken down.

The above embodiments only express the specific embodiments of the present invention, and the description thereof is specific and detailed, but not to be understood as the limitation of the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention.

Claims

1. Backlight unit of display, including frame (1), its characterized in that: a rear frame (2) is arranged below the frame (1), a diaphragm (5) is arranged on the inner side of the frame (1), a fixing mechanism (3) is fixedly connected to the bottom of the frame (1), a lamp belt (7) is arranged at the top of the rear frame (2), a light guide plate (6) is arranged on the inner side of the frame (1), and an auxiliary mechanism (4) is arranged on the right side of the frame (1);

fixing mechanism (3) include casing (303), casing (303) fixed connection is in frame (1) bottom, the left and right sides all is provided with fixture block (306) in casing (303), same root spring (311) of two fixture block (306) opposite face fixedly connected with, fixture block (306) bottom fixedly connected with draws piece (301), rear frame (2) front side is seted up and is equipped with recess (304), draw-in groove (305) have all been seted up to the left and right sides in recess (304), draw piece (301) bottom and seted up the rectangular channel, the rectangular channel inboard is provided with rectangular rod (302), rectangular rod (302) surface fixed connection has stopper (307).

2. The backlight assembly of claim 1, wherein: the two clamping blocks (306) are respectively located on the inner sides of the corresponding clamping grooves (305), and the clamping blocks (306) are connected to the inner side of the shell (303) in a sliding mode.

3. The backlight assembly of claim 1, wherein: the bottom of the shell (303) is provided with a connecting groove (310), and the bottom of the pull block (301) penetrates through the connecting groove (310) and extends out of the shell (303).

4. The backlight assembly of claim 1, wherein: casing (303) bottom fixedly connected with fixed block (308), dysmorphism groove (309) have been seted up to fixed block (308) bottom, dysmorphism groove (309) shape sets up to big-end-up.

5. The backlight assembly of claim 1, wherein: the shell (303) is positioned inside the groove (304), and the outer surface of the shell (303) is tightly attached to the inside of the groove (304).

6. The backlight assembly of claim 1, wherein: the auxiliary mechanism (4) comprises a first movable groove (404), the first movable groove (404) is arranged on the front side of the frame body, a second movable groove is formed in the front side of the rear frame (2), and the same U-shaped block (403) is arranged on the inner side of the first movable groove (404) and the inner side of the second movable groove.

7. The backlight assembly of claim 6, wherein: the top and the bottom of the U-shaped block (403) are both provided with bumps (401), the bottom in the second movable groove and the top in the first movable groove (404) are both provided with a limiting groove (402), and the bumps (401) are located on the inner side of the corresponding limiting groove (402).