CN216696942U

CN216696942U - Backlight frame that leakproofness is strong

Info

Publication number: CN216696942U
Application number: CN202220049191.0U
Authority: CN
Inventors: 肖宇; 余晓辉
Original assignee: Shanghai Hongxian Electronic Technology Co ltd
Current assignee: Shanghai Hongxian Electronic Technology Co ltd
Priority date: 2022-01-10
Filing date: 2022-01-10
Publication date: 2022-06-07
Anticipated expiration: 2032-01-10

Abstract

The utility model provides a backlight source frame with strong sealing performance, which relates to the technical field of backlight source frames and comprises a bottom shell, a top shell and a sealing block, wherein the top shell is fixedly arranged at the top of the bottom shell, a connecting plate is fixedly arranged at the bottom of the top shell, a clamping plate is fixedly arranged on one side of the connecting plate, the sealing block is fixedly arranged at the bottom of the top shell, a sealing groove is formed in the top of the bottom shell, a clamping groove is formed in the surface of the bottom shell, a pressing block is fixedly arranged on the surface of the bottom shell, a top block is fixedly arranged on one side of the pressing block, a casing is fixedly arranged on one side of the clamping groove, and a spring plate is slidably connected in the casing. According to the utility model, the sealing block and the sealing groove can seal the joint of the top shell and the bottom shell, so that small insects are prevented from entering the top shell and touching the backlight source plate, and the backlight source plate is prevented from being damaged under the touch of the insects.

Description

Backlight frame that leakproofness is strong

Technical Field

The utility model relates to the technical field of backlight frames, in particular to a backlight frame with high sealing performance.

Background

The backlight is a light source that is located LCD behind one's back, and its luminous effect will directly influence liquid crystal display module (LCM) visual effect, and the backlight is formed by backlight board, top shell and drain pan combination, because traditional top shell and drain pan when the butt joint installation, do not have the sealing strip in the junction of top shell and drain pan to it is not good to lead to the leakproofness of top shell and drain pan, leads to some insects can follow the gap, enters into the inside of drain pan, leads to the light source board the condition emergence of damage to appear.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides a backlight frame with high sealing performance.

In order to achieve the purpose, the utility model adopts the following technical scheme: the utility model provides a backlight frame that leakproofness is strong, includes drain pan, top shell and sealed piece, top shell fixed mounting is at the top of drain pan, the bottom fixed mounting of top shell has the connecting plate, one side fixed mounting of connecting plate has the cardboard, sealed piece fixed mounting is in the bottom of top shell, the seal groove has been seted up at the top of drain pan, the draw-in groove has been seted up on the surface of drain pan, the fixed surface of drain pan installs and presses the briquetting, press one side fixed mounting of briquetting to have the kicking block, one side fixed mounting of draw-in groove has the cover shell, the inside sliding connection of cover shell has the shell fragment.

In order to conveniently extrude the clamping plate, the improved structure of the utility model is that the pressing blocks are made of silica gel, the number of the pressing blocks is twelve, the twelve pressing blocks are circumferentially arrayed on the outer wall of the bottom shell, and one side of each of the three pressing blocks is fixedly provided with a linkage plate.

In order to facilitate the pressing block to return to the initial position, the utility model has the improvement that the number of the elastic sheets is two, the elastic sheets are symmetrically arranged on two sides of the ejecting block, the ejecting block is slidably connected inside the clamping groove, and the clamping plate is slidably connected inside the clamping groove.

In order to facilitate sealing of the joint of the top shell and the bottom shell, the improved structure of the utility model is characterized in that a backlight source plate is fixedly arranged in the bottom shell, the sealing block is connected in the sealing groove in a sliding manner, and the bottom of the top shell is fixedly provided with an edge block.

In order to facilitate the winding of the connecting wire, the improved structure of the utility model is that a receiving groove is formed in the bottom of the bottom shell, a bottom plate is fixedly installed on one side of the bottom shell, a winding rod is rotatably connected inside the receiving groove, a rectangular plate is fixedly installed on one side of the winding rod, a push rod is fixedly installed on one side of the rectangular plate, the connecting wire is fixedly installed inside the receiving groove, and a rotating handle is fixedly installed on one side of the winding rod.

In order to facilitate the winding of the connecting wire, the utility model has the improvement that the width of the accommodating groove is the same as the diameter of the connecting wire, and the push rod is rotatably connected to one side of the connecting wire.

In order to conveniently store and pull out the connecting wires, the improved structure of the utility model is that the connecting wires are connected inside the storage groove in a sliding manner, and the winding rod is connected inside the bottom plate in a rotating manner.

Compared with the prior art, the utility model has the advantages and positive effects that,

1. according to the utility model, the sealing block and the sealing groove can seal the joint of the top shell and the bottom shell, so that small insects are prevented from entering the top shell and touching the backlight source plate, and the backlight source plate is prevented from being damaged under the touch of the insects.

2. According to the utility model, the winding rod can wind the excessive connecting wires through the push rod, so that the situation that the connecting wires are too long to influence operators to install a backlight source is prevented, and the situation that the longer connecting wires are wound and knotted is prevented.

Drawings

Fig. 1 is a schematic view of an overall structure of a backlight frame with high sealing performance according to the present invention;

FIG. 2 is an exploded view of a backlight frame with high sealing performance according to the present invention;

FIG. 3 is a cross-sectional view of a backlight frame with high sealing performance;

FIG. 4 is a bottom view of a top shell of a backlight frame with high sealing performance according to the present invention;

FIG. 5 is a schematic structural diagram of the portion A in FIG. 3 illustrating a backlight frame with high sealing performance according to the present invention;

fig. 6 is a schematic structural diagram of a bottom view of a backlight frame with high sealing performance according to the present invention;

fig. 7 is a bottom view of a bottom chassis of a backlight frame with high sealing performance.

Illustration of the drawings:

1. a bottom case; 2. a top shell; 3. a connecting plate; 4. a corner block; 5. clamping a plate; 6. a card slot; 7. a sealing block; 8. a sealing groove; 9. a pressing block; 10. a linkage plate; 11. a top block; 12. a housing; 13. a spring plate; 14. A receiving groove; 15. winding the rod; 16. a rectangular plate; 17. a push rod; 18. a connecting wire; 19. turning a handle; 20. A base plate; 21. a backlight panel.

Detailed Description

In order that the above objects, features and advantages of the present invention can be more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention. Further, in the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

Example one

Referring to fig. 1-5, the present invention provides a backlight frame with strong sealing performance, which includes a bottom case 1, a top case 2 and a sealing block 7, wherein the top case 2 is fixedly installed on the top of the bottom case 1, a connecting plate 3 is fixedly installed on the bottom of the top case 2, a clamping plate 5 is fixedly installed on one side of the connecting plate 3, the sealing block 7 is fixedly installed on the bottom of the top case 2, a sealing groove 8 is formed on the top of the bottom case 1, a clamping groove 6 is formed on the surface of the bottom case 1, a pressing block 9 is fixedly installed on the surface of the bottom case 1, a top block 11 is fixedly installed on one side of the pressing block 9, a case 12 is fixedly installed on one side of the clamping groove 6, a resilient sheet 13 is slidably connected inside the case 12, the sealing block 7 and the sealing groove 8 can seal the joint between the top case 2 and the bottom case 1, thereby preventing some small insects from entering the inside of the top case 2 and touching a backlight plate 21 and preventing the backlight plate 21 from being touched by the insects, a situation occurs in which damage occurs.

Referring to fig. 1-5, the pressing blocks 9 are made of silicone, the pressing blocks 9 made of silicone have no limitation, the pressing blocks 9 can be protruded and recessed inside the clamping groove 6, so that an operator can push the top block 11 conveniently, the number of the pressing blocks 9 is twelve, twelve pressing blocks 9 are circumferentially arrayed on the outer wall of the bottom case 1, wherein one side of three pressing blocks 9 is fixedly provided with a linkage plate 10, the number of the elastic sheets 13 is two, the elastic sheets 13 are symmetrically arranged on two sides of the top block 11, two elastic sheets 13 are arranged to stably push the pressing blocks 9 back to the initial position, so that the pressing blocks 9 can be rebounded conveniently, the top block 11 is slidably connected inside the clamping groove 6, the clamping plate 5 is slidably connected inside the clamping groove 6, the bottom case 1 is fixedly provided with a backlight source plate 21, the sealing block 7 is slidably connected inside the sealing groove 8, set up seal groove 8 and sealing block 7, can seal the junction of top shell 2 and drain pan 1, the bottom fixed mounting of top shell 2 has corner piece 4.

Example two

Please refer to fig. 5 and 6, the bottom of the bottom casing 1 is provided with a receiving groove 14, one side of the bottom casing 1 is fixedly provided with a bottom plate 20, the inside of the receiving groove 14 is rotatably connected with a winding rod 15, one side of the winding rod 15 is fixedly provided with a rectangular plate 16, one side of the rectangular plate 16 is fixedly provided with a push rod 17, the inside of the receiving groove 14 is fixedly provided with a connecting wire 18, one side of the winding rod 15 is fixedly provided with a rotating handle 19, the winding rod 15 can wind the excessive connecting wires 18 through the push rod 17, thereby preventing the connecting wires 18 from being too long, influencing the installation of the backlight source by an operator, and preventing the long connecting wires 18 from being wound and knotted.

Referring to fig. 5 and 6, the width of the accommodating groove 14 is the same as the diameter of the connecting wire 18, so as to prevent the connecting wire 18 from being disordered during the winding process, the push rod 17 is rotatably connected to one side of the connecting wire 18, the connecting wire 18 is slidably connected inside the accommodating groove 14, the winding rod 15 is rotatably connected inside the bottom plate 20, and the rectangular plate 16 can drive the push rod 17 to push the connecting wire 18 during the rotation process of the winding rod 15, so that the connecting wire 18 is wound on the surface of the winding rod 15.

The working principle is as follows: when an operator installs the top shell 2, the operator aligns the top shell 2 with the bottom shell 1 and directly presses the top shell 2 on the top of the bottom shell 1, at the moment, the clamping plate 5 on one side of the connecting plate 3 slides into the clamping groove 6, and the sealing block 7 slides into the sealing groove 8, so that the top shell 2 is fixed on the top of the bottom shell 1, the joint of the top shell 2 and the bottom shell 1 is sealed, when the operator needs to disassemble the top shell 2, the operator presses the linkage plate 10, at the moment, the linkage plate 10 pushes the pressing block 9, the pressing block 9 drives the top block 11 to slide in the clamping groove 6 and extrude the clamping plate 5, at the moment, the clamping plate 5 moves out of the clamping groove 6, so that the top shell 2 is released, the operator can take the top shell 2 down from the top of the bottom shell 1, and when the linkage plate 10 is loosened, the pressing block 9 drives the top block 11 to return to the initial position under the action of the elastic force of the pressing block 9 through the elastic sheet 13, after the connecting wire 18 is installed to the operator, the operator can accomodate the inside of accomodating groove 14 with the connecting wire 18 of many plays, and during the operation, the operator holds and changes handle 19 to use and change the board and rotate winding rod 15, winding rod 15 drives push rod 17 through rectangular plate 16 and promotes connecting wire 18 this moment, and connecting wire 18 twines on winding rod 15's surface this moment, thereby connecting wire 18 gets into the inside of accomodating groove 14.

The above description is only a preferred embodiment of the present invention, and not intended to limit the present invention in other forms, and any person skilled in the art may apply the above modifications or changes to the equivalent embodiments with equivalent changes by using the technical contents disclosed in the above description to other fields, but any simple modification, equivalent change and change made to the above embodiments according to the technical essence of the present invention still belong to the protection scope of the technical solution of the present invention.

Claims

1. The utility model provides a backlight frame that leakproofness is strong, includes drain pan (1), top shell (2) and sealed piece (7), its characterized in that: top shell (2) fixed mounting is at the top of drain pan (1), the bottom fixed mounting of top shell (2) has connecting plate (3), one side fixed mounting of connecting plate (3) has cardboard (5), sealed piece (7) fixed mounting is in the bottom of top shell (2), seal groove (8) have been seted up at the top of drain pan (1), draw-in groove (6) have been seted up on the surface of drain pan (1), the fixed surface of drain pan (1) installs and presses briquetting (9), press one side fixed mounting of briquetting (9) to have kicking block (11), one side fixed mounting of draw-in groove (6) has casing (12), the inside sliding connection of casing (12) has shell fragment (13).

2. The backlight frame of claim 1, wherein: the material of pressing the piece (9) is silica gel, the quantity of pressing the piece (9) is twelve, twelve press the piece (9) and be the circumference array on the outer wall of drain pan (1), wherein three press one side fixed mounting of piece (9) to have linkage plate (10).

3. The backlight frame of claim 1, wherein: the number of the elastic sheets (13) is two, the elastic sheets (13) are symmetrically arranged on two sides of the top block (11), the top block (11) is connected to the inside of the clamping groove (6) in a sliding mode, and the clamping plate (5) is connected to the inside of the clamping groove (6) in a sliding mode.

4. The backlight frame of claim 1, wherein: the inside fixed mounting of drain pan (1) has backlight board (21), sealing block (7) sliding connection is in the inside of seal groove (8), the bottom fixed mounting of top shell (2) has corner piece (4).

5. The backlight frame of claim 1, wherein: the bottom of drain pan (1) has been seted up and has been accomodate groove (14), one side fixed mounting of drain pan (1) has bottom plate (20), the inside rotation of accomodating groove (14) is connected with coiling pole (15), one side fixed mounting of coiling pole (15) has rectangular plate (16), one side fixed mounting of rectangular plate (16) has push rod (17), the inside fixed mounting of accomodating groove (14) has connecting wire (18), one side fixed mounting of coiling pole (15) has commentaries on classics (19).

6. The backlight frame with high sealing performance as claimed in claim 5, wherein: the width of the accommodating groove (14) is the same as the diameter of the connecting line (18), and the push rod (17) is rotatably connected to one side of the connecting line (18).

7. The backlight frame of claim 5, wherein: the connecting wire (18) is connected inside the accommodating groove (14) in a sliding mode, and the winding rod (15) is connected inside the bottom plate (20) in a rotating mode.