CN216595602U

CN216595602U - Backlight source-based anti-buffering rubber block optimization structure

Info

Publication number: CN216595602U
Application number: CN202123434842.2U
Authority: CN
Inventors: 方泽端; 何会楼; 邓玉泉
Original assignee: Yidong Electronic Technology Co ltd
Current assignee: Yidong Electronic Technology Co ltd
Priority date: 2021-12-30
Filing date: 2021-12-30
Publication date: 2022-05-24
Anticipated expiration: 2031-12-30

Abstract

The utility model belongs to the technical field of backlight unit and specifically relates to a rubber piece optimization structure based on backlight is used for anti buffering, rubber piece optimization structure is including the elastic rubber piece that is the L type, and elastic rubber piece is close to in light guide plate one side shaping has a plurality of buffering bosss, and elastic rubber piece is close to in backplate one side shaping has spacing post, is equipped with the spacing hole with spacing post interference fit on the backplate lateral wall, and the interior angle department of the elastic rubber piece of L type is equipped with keeps away the dead slot. The utility model discloses a set up buffering boss and spacing post on elastic rubber piece inside wall and lateral wall, buffering boss top surface design interference fit on light guide plate and the elastic rubber piece, elastic rubber piece has elasticity, though there is the interference during assembly, but can pack into the light guide plate after compressing, has this interference design back, and the pressfitting is tightly each other between light guide plate and elastic rubber piece, elastic rubber piece and backplate, and the gapless has solved the bad problem of rocking, abnormal sound.

Description

Backlight source-based anti-buffering rubber block optimization structure

Technical Field

The utility model belongs to the technical field of backlight unit and specifically relates to a rubber piece is optimized structure based on backlight is used for anti buffering.

Background

A backlight module comprises a foam, a middle rubber frame, a diaphragm, a light guide plate, an FPC + LED assembly, a rubber block, a bottom metal plate and the like. Wherein, the rubber piece is fixed it at the end panel beating side through double faced adhesive tape or glue for spacing light guide plate.

In the conventional scheme, the rubber block is formed by adopting a cutting process, the rubber block is of a flat plate structure, and when the rubber block is in clearance design interference with the light guide plate, the rubber block is inconvenient to assemble, easily blocks the light guide plate and also influences the assembly efficiency of the light guide plate. When the gap is designed, the light guide plate is easy to loose, so that the light guide plate shakes or generates abnormal sound, and the original structure has defects in size design.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an it is not enough to overcome above-mentioned condition, aims at providing a rubber piece optimization structure based on the backlight is used for anti buffering.

Be used for anti buffering's block rubber to optimize structure based on the backlight, this block rubber optimizes the structure and locates between light guide plate and the backplate with the opposite angle department of one side and be fixed in on the backplate, a serial communication port, the block rubber optimizes the structure including the elastic rubber piece that is the L type, the elastic rubber piece is close to in light guide plate one side shaping has a plurality of buffering bosss, the design of buffering boss top surface interference fit on worn plate and the elastic rubber piece, the elastic rubber piece is close to in backplate one side shaping has spacing post, be equipped with on the backplate lateral wall with spacing post interference fit's spacing hole, the interior angle department of the elastic rubber piece of L type is equipped with the clearance groove of keeping away.

Further scheme: the top chamfer of buffering boss and spacing post sets up.

Further scheme: the outer angle of the L-shaped elastic rubber block is arranged in a plane.

Further scheme: the buffer boss and the limiting column are cylindrical, triangular, quadrilateral or polygonal.

Further scheme: the number of the buffering bosses is 4, the buffering bosses are uniformly arranged on the inner side wall of the L-shaped elastic rubber block, the diameter of the buffering bosses is 0.6-1.0mm, and the height of the buffering bosses is 0.15-0.3 mm.

Further scheme: the number of the limiting columns is 2, the limiting columns are uniformly arranged on the outer side wall of the L-shaped elastic rubber block, the diameter of the limiting columns is 1.2mm-2.0mm, and the height of the limiting columns is 0.5mm-0.8 mm.

Further scheme: the height of the limiting column is smaller than the thickness of the side wall of the back plate.

Compared with the prior art, the beneficial effects of the utility model are that: through set up buffering boss and spacing post on elastic rubber piece inside wall and lateral wall, buffering boss top surface design interference fit on light guide plate and the elastic rubber piece, elastic rubber piece exists elasticity, though there is the interference during the assembly, but pack the light guide plate after can compressing, have this interference design back, tightly the pressfitting each other between light guide plate and elastic rubber piece, elastic rubber piece and backplate, the zero clearance has solved the bad problem of rocking, abnormal sound. Meanwhile, the top chamfer of the buffering boss is arranged, so that the light guide plate is convenient to assemble and smooth, the light guide plate is easier to guide in, and the assembly efficiency is improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural diagram of the middle elastic rubber block of the present invention.

Fig. 3 is an assembly diagram of the middle light guide plate and the back plate of the present invention.

Fig. 4 is an enlarged view at a in fig. 3.

Fig. 5 is a schematic structural diagram of the middle back plate of the present invention.

Fig. 6 is an enlarged view at B in fig. 5.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it should be understood that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Please refer to fig. 1-2, in the embodiment of the present invention, the backlight source is used for the optimized structure of the anti-buffering rubber block, wherein the backlight source includes a middle rubber frame 1, a back plate 2, a light guide plate 3, a FPC and a LED assembly 4, the FPC and the LED assembly 4 are installed on the light guide plate 3, the light guide plate 3 is fixedly installed on the back plate 2, the back plate 2 is buckled to the middle rubber frame 1, the optimized structure of the rubber block is located at the diagonal position of the same side between the light guide plate 3 and the back plate 2 and fixed on the back plate 2, the optimized structure of the rubber block includes an L-shaped elastic rubber block 5, the elastic rubber block 5 is formed with a plurality of buffering bosses 50 near one side of the light guide plate 3, the top surfaces of the light guide plate 3 and the buffering bosses 50 are designed to have 0.15mm interference fit, the elastic rubber block 5 has elasticity, although there is interference during assembly, the light guide plate 3 can be compressed, after having such interference design, the light guide plate 3 and the elastic rubber block 5, The elastic rubber block 5 and the back plate 2 are tightly pressed together without gaps, so that the problems of shaking and abnormal sound are solved.

In addition, for make elastic rubber piece 5 easy to assemble on backplate 2, prevent simultaneously that elastic rubber piece 5 from dropping from backplate 2 when expend with heat and contract with cold, for this reason, be close to in backplate 2 one side shaping at elastic rubber piece 5 and have spacing post 51, be equipped with on backplate 2 lateral wall with spacing post 51 interference fit's spacing hole 20. Meanwhile, in order to prevent the light guide plate 3 from moving or shaking, the sharp corners of the light guide plate 3 extrude the elastic rubber blocks 5, and the elastic rubber blocks 5 are cut off, so that the clearance grooves 52 are arranged at the inner corners of the L-shaped elastic rubber blocks 5, the outer corners of the L-shaped elastic rubber blocks 5 are arranged in a plane, and the clearance grooves 52 provide a moving space for the light guide plate 3 and simultaneously facilitate the assembly of the light guide plate 3.

Further, the buffering boss 50 and the limiting column 51 are cylindrical, triangular, quadrilateral or polygonal, and the tops of the buffering boss 50 and the limiting column 51 are chamfered. The number of the buffering bosses 50 is 4, the buffering bosses are uniformly arranged on the inner side wall of the L-shaped elastic rubber block 5, the diameter of the buffering bosses is 0.6-1.0mm, the height of the buffering bosses is 0.15-0.3mm, the number of the limiting columns 51 is 2, the buffering bosses are uniformly arranged on the outer side wall of the L-shaped elastic rubber block 5, the diameter of the buffering bosses is 1.2-2.0 mm, and the height of the buffering bosses is 0.5-0.8 mm. The utility model discloses in, the shape of buffering boss 50 and spacing post 51 is cylindrical, its buffering boss 50 chamfer R's size is 0.2mm, highly be 0.15mm, the diameter is 0.6 mm, and spacing post 51 chamfer R's size is 0.2mm, highly be 0.5mm, the diameter is 1.2mm, set up at buffering boss 50 and spacing post 51's top chamfer, smooth when making things convenient for the assembly of light guide plate 3, it is leading-in more easily, conveniently install elastic rubber piece 5 on backplate 2 simultaneously, the efficiency of assembly is improved. In addition, it should be noted that the shapes and sizes of the buffer boss 50 and the spacing column 51 can be modified according to the needs of the customers, and the shapes and sizes are not limited to the shapes and sizes mentioned in the present invention.

Further, the height of spacing post 51 is less than the thickness of 2 lateral walls of backplate, and the thickness that highly sets spacing post 51 to be less than 2 lateral walls of backplate can be so that when elastic rubber piece 5 expands with heat, has the space of activity, prevents that spacing post 51 from surpassing spacing hole 20, will well gluey frame 1 jack-up, leads to backplate 2 and the not hard up problem of well gluey frame 1.

The utility model discloses a set up buffering boss 50 and spacing post 51 on 5 inside walls of elastic rubber piece and lateral wall, the 50 top surface design interference fit of buffering boss on light guide plate 3 and the elastic rubber piece 5, simultaneously at the setting of buffering 50 top chamfers of boss, it is smooth when being convenient for the assembly of light guide plate 3, it is more easy to channel into, the efficiency of assembly is improved, and elastic rubber piece 5 itself has elasticity, although there is the interference during assembly, but pack into light guide plate 3 after can compressing, there is this interference design back, light guide plate 3 and elastic rubber piece 5,

elastic rubber piece

5 and 2 mutual tight pressfittings of backplate, the zero clearance, the solution is rocked, the bad problem of abnormal sound.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. Be used for anti buffering's block rubber to optimize structure based on the backlight, this block rubber optimizes the structure and locates between light guide plate and the backplate with the opposite angle department of one side and be fixed in on the backplate, a serial communication port, the block rubber optimizes the structure including the elastic rubber piece that is the L type, the elastic rubber piece is close to in light guide plate one side shaping has a plurality of buffering bosss, the design of buffering boss top surface interference fit on worn plate and the elastic rubber piece, the elastic rubber piece is close to in backplate one side shaping has spacing post, be equipped with on the backplate lateral wall with spacing post interference fit's spacing hole, the interior angle department of the elastic rubber piece of L type is equipped with the clearance groove of keeping away.

2. The backlight-based optimized structure for anti-buffering rubber blocks according to claim 1, wherein the buffering bosses and the top of the limiting columns are chamfered.

3. The backlight-based optimized structure of rubber blocks for anti-cushion according to claim 1, wherein the outer corners of the L-shaped elastic rubber blocks are arranged in a plane.

4. The backlight-based optimized structure of rubber blocks for anti-buffering according to claim 2, wherein the buffering bosses and the limiting columns are cylindrical, triangular, quadrilateral or polygonal.

5. The backlight-based rubber block optimized structure for anti-buffering of the claim 4, wherein the number of the buffering bosses is 4, and the buffering bosses are uniformly arranged on the inner side wall of the L-shaped elastic rubber block, and the diameter of the buffering bosses is 0.6-1.0mm, and the height of the buffering bosses is 0.15-0.3 mm.

6. The backlight-based anti-buffering rubber block optimized structure as claimed in claim 2, wherein the number of the limiting columns is 2, and the limiting columns are uniformly arranged on the outer side wall of the L-shaped elastic rubber block, and have a diameter of 1.2mm-2.0mm and a height of 0.5mm-0.8 mm.

7. The backlight-based optimized structure for anti-cushion rubber blocks of claim 6, wherein the height of the limiting columns is smaller than the thickness of the side walls of the back plate.