Backlight structure capable of preventing rubber frame from deforming

Abstract

The utility model relates to the technical field of liquid crystal displays, in particular to a backlight structure for preventing a rubber frame from deforming. Comprising a middle rubber frame and an iron frame, and the iron frame is covered with the middle rubber frame; the middle rubber frame is provided with an edge wrapping frame, and the edge wrapping frame is arranged on the periphery of the iron frame in a surrounding mode; a reinforcing structure is arranged between the middle rubber frame and the edge covering frame, and the reinforcing structure is connected with the iron frame in a matched mode; according to the utility model, the structure is reasonable, the middle rubber frame covers the iron frame through the edge wrapping frame and is cooperatively connected with the iron frame, the strengthening structure can improve the structural stability of the middle rubber frame and the edge wrapping frame, and the strengthening structure is cooperatively connected with the iron frame, so that the middle rubber frame and the iron frame are positioned during assembly, and meanwhile, the connection strength between the middle rubber frame and the iron frame can be improved; and the deformation of the middle rubber frame is further prevented.

Description

TECHNICAL FIELD

[0001] The utility model relates to liquid crystal display technical field, specifically point to a prevent the backlight structure of glue frame deformation. BACKGROUND

[0002] A backlight module disclosed by Chinese patent CN102518997A comprises a back plate, a diffusion plate and a glue frame, the opening end of the back plate is provided with a support platform, the glue frame is installed around the support platform and fixed on the support platform, the diffusion plate is installed on the support platform and fixed by the glue frame, the area of the contact part of the diffusion plate and the support platform on the back plate is adjusted and / or the diffusion plate is pasted on the support platform to support the diffusion plate.

[0003] In order to meet various related reliability and comply with the ultra-thin and narrow design, the existing vehicle-mounted display module usually adopts a glue frame structure for backlight, and in the case that the thickness is 0.8-1.5 mm, the wall thickness is usually too thin to cause that the product as a whole has no strength, and deformation and warping are also uncontrollable. The traditional method is to add a reinforcing rib structure inside the glue frame to ensure the strength and rigidity of the plastic product. Although the reinforcing rib structure can reduce deformation to a certain extent, it only prevents inward shrinkage deformation and is suitable for less than 7 inches. When designing a large-size backlight module, due to the increase of the weight of the module and the use of full-lamination process, the glue frame has a risk of deformation during falling and RA, which has a great impact on production efficiency and driving safety.

[0004] Therefore, the prior art still needs to be improved and developed. CONTENT OF THE UTILITY MODEL

[0005] The utility model aims at the defects and deficiencies of the prior art, and provides a backlight structure capable of preventing glue frame deformation and having reasonable structure and high structural strength.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0007] The utility model discloses a backlight structure capable of preventing glue frame deformation, which comprises a glue frame and an iron frame, the glue frame is installed on the iron frame, a covered edge frame is arranged on the glue frame, the covered edge frame is arranged around the iron frame, a reinforcing structure is arranged between the glue frame and the covered edge frame, and the reinforcing structure is connected with the iron frame in a matched mode.

[0008] According to the above scheme, the reinforcing structure comprises a plurality of pegs, the pegs are arranged on the inner wall of the covered edge frame and fixedly connected with the bottom surface of the glue frame.

[0009] According to the above scheme, a plurality of clamping positions are arranged on the iron frame, and the pegs are clamped in the corresponding clamping positions.

[0010] According to the above scheme, several said nail column is distributed in the left side inner wall, the right side inner wall and the lower side inner wall of the edge frame, the upper end of the middle rubber frame is provided with a reinforcing cross bar, and the reinforcing cross bar top touches and connects the upper side inner wall of the edge frame.

[0011] According to the above scheme, the iron frame is provided with a key, the edge frame is provided with a plurality of buckle grooves, and the key is buckled in the corresponding buckle groove, so that the middle rubber frame is fixedly connected with the iron frame.

[0012] According to the above scheme, the outer wall around the iron frame is provided with a plurality of limiting convex points.

[0013] According to the above scheme, the iron frame is provided with a plurality of limiting cards, and the bottom surface of the middle rubber frame is provided with a plurality of limiting grooves, and the limiting card is inserted into the corresponding limiting groove.

[0014] The utility model has the advantages that the utility model structure is reasonable, the middle rubber frame is covered and installed on the iron frame through the edge frame and is connected with cooperation, the reinforced structure can improve the structure stability of the middle rubber frame and the edge frame, the reinforced structure is connected with cooperation with the iron frame, so that the middle rubber frame and the iron frame constitute positioning when assembling, the connection strength between the middle rubber frame and the iron frame can be improved, and the middle rubber frame is further prevented from deforming. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 is the bottom surface perspective structure schematic view of the middle rubber frame of the utility model;

[0016] Figure 2 is the bottom surface perspective structure schematic view of the iron frame of the utility model;

[0017] Figure 3 is the side surface perspective structure schematic view of the iron frame of the utility model;

[0018] Figure 4 is the lateral sectional structure schematic view of the middle rubber frame and the iron frame after assembling of the utility model.

[0019] In the drawing:

[0020] 1, middle rubber frame; 2, iron frame; 11, edge frame; 12, nail column; 13, reinforcing cross bar; 14, buckle groove; 15, limiting groove; 21, key; 22, limiting convex point; 23, limiting card. DETAILED DESCRIPTION

[0021] The technical scheme of the utility model will be described below in combination with the drawings and embodiments.

[0022] As Figures 1-4The utility model discloses a prevent the backlight structure of deformation of rubber frame, including middle rubber frame 1 and iron frame 2, the middle rubber frame 1 cover installs on iron frame 2, be equipped with the edge frame 11 on the middle rubber frame 1, and the edge frame 11 surrounds the four around of iron frame 2, be equipped with the reinforcing structure between the middle rubber frame 1 and the edge frame 11, and the reinforcing structure is connected with iron frame 2 cooperation, the middle rubber frame 1 cover installs on iron frame 2, is connected the iron frame 2 through the edge frame 11 to make the iron frame 2 stabilize the middle rubber frame 1 and provide structural strength, further, the reinforcing structure makes the structural strength of the middle rubber frame 1 and the edge frame 11 promote, and the reinforcing structure is connected with iron frame 2 cooperation when assembling can provide the positioning effect, and the reinforcing structure makes the middle rubber frame 1 and iron frame 2 between have more rigid connection point, thereby provide tensile strength, prevent the deformation of middle rubber frame 1.

[0023] The reinforcing structure includes a plurality of pegs 12, the plurality of pegs 12 are distributed on the inner wall of the edge frame 11, and the pegs 12 are fixedly connected along the bottom surface of the middle rubber frame 1. The edge frame 11 and the plurality of pegs 12 are an integral molding structure of the middle rubber frame 1, one end of the peg 12 is connected to the inner wall of the edge frame 11, the peg 12 extends along the bottom surface of the middle rubber frame 1, in other words, the peg 12 can be arranged as an angle code between the middle rubber frame 1 and the edge frame 11, thereby improving the structural strength of the middle rubber frame 1 and the edge frame 11.

[0024] It can be understood that the iron frame 2 is obtained by stamping, and the iron frame 2 has bent wall plates around the four sides to improve the structural strength thereof.

[0025] Further, the iron frame 2 is provided with a plurality of clamping positions, and the plurality of pegs 12 are respectively clamped in the corresponding clamping positions. The clamping positions are also openings formed by stamping on the bent wall plates. The plurality of pegs 12 are arranged in pairs on the clamping positions, thereby forming a positioning effect during assembly. Further, the clamping positions can limit the pegs 12, so that the iron frame 2 provides tensile strength to the middle rubber frame 1 in the plane to prevent the middle rubber frame 1 from deforming.

[0026] The plurality of pegs 12 are distributed on the left inner wall, the right inner wall, and the lower inner wall of the edge frame 11. The upper end of the middle rubber frame 1 is provided with a reinforcing cross bar 13, and the reinforcing cross bar 13 is connected to the upper inner wall of the edge frame 11. The reinforcing cross bar 13 is used to improve the structural strength of the upper end of the middle rubber frame 1. It can be understood that the lower end of the middle rubber frame 1 is provided with reinforcing ribs, which are prior art and will not be described here.

[0027] The iron frame 2 is provided with a protruding key 21, and the edge frame 11 is provided with a plurality of buckle grooves 14, the protruding key 21 buckles the corresponding buckle groove 14, so that the middle rubber frame 1 is fixedly connected with the iron frame 2. The edge frame 11 is sleeved around the iron frame 2, and the protruding key 21 is buckled through the plurality of buckle grooves 14, so that the middle rubber frame 1 is fixed on the iron frame 2. The assembly direction of the middle rubber frame 1 and the iron frame 2 is vertical, meanwhile, the above-mentioned nail column 12 is arranged on the bottom surface of the middle rubber frame 1, and the clamping position is arranged on the bent wall plate around the iron frame 2, and the matching direction of the nail column 12 and the clamping position is also vertical, so that the assembly efficiency can be effectively improved.

[0028] The outer wall around the iron frame 2 is provided with a plurality of limiting protruding points 22, and it can be understood that the limiting protruding points 22 can be embedded in the inner wall of the edge frame 11, and the inner wall of the edge frame 11 is provided with a concave point or a sliding groove. The edge frame 11 is attached to the bent wall plate of the iron frame 2, and the limiting protruding points 22 are matched with the concave point or the sliding groove, so that the tensile strength on the plane is improved, and the middle rubber frame 1 is prevented from being deformed.

[0029] As described above, the iron frame 2 is provided with a plurality of limiting cards 23, the limiting card 23 is punched from the bent wall plate, and the bottom surface of the middle rubber frame 1 is provided with a plurality of limiting grooves 15, the limiting card 23 is inserted into the corresponding limiting groove 15, and the connection strength between the iron frame 2 and the middle rubber frame 1 is further improved.

[0030] The above-mentioned is only a preferred embodiment of the present application, so that equivalent changes or modifications made according to the structure, features and principles of the present application patent application range are included in the present application patent application range.

Claims

1. A backlight structure for preventing deformation of a rubber frame, comprising a middle rubber frame (1) and an iron frame (2), wherein the middle rubber frame (1) is covered on the iron frame (2); characterized in that: The middle glue frame (1) is provided with a covering frame (11) which surrounds the four sides of the iron frame (2); the middle glue frame (1) and the covering frame (11) are provided with a reinforcing structure which is connected with the iron frame (2).

2. The backlight structure for preventing deformation of a rubber frame according to claim 1, wherein: The reinforcing structure comprises a plurality of nail columns (12) which are distributed on the inner wall of the covering frame (11) and are fixedly connected along the bottom surface of the middle glue frame (1).

3. The backlight structure for preventing deformation of the rubber frame according to claim 1, wherein: The iron frame (2) is provided with a plurality of clamping positions, and the plurality of nail columns (12) are clamped in the corresponding clamping positions.

4. The backlight structure for preventing deformation of the rubber frame according to claim 2, wherein: The plurality of nail columns (12) are distributed on the left inner wall, the right inner wall and the lower inner wall of the covering frame (11), the upper end of the middle glue frame (1) is provided with a reinforcing cross rod (13), and the reinforcing cross rod (13) is top-touch connected with the upper inner wall of the covering frame (11).

5. The backlight structure for preventing deformation of the rubber frame according to claim 1, wherein: The iron frame (2) is provided with a protruding key (21), the covering frame (11) is provided with a plurality of buckle grooves (14), the protruding key (21) buckles the corresponding buckle groove (14), so that the middle glue frame (1) is fixedly connected with the iron frame (2).

6. The backlight structure for preventing deformation of the rubber frame according to claim 5, wherein: The outer wall around the iron frame (2) is provided with a plurality of limiting convex points (22).

7. The backlight structure for preventing deformation of the rubber frame according to claim 5, wherein: The iron frame (2) is provided with a plurality of limiting clamping cards (23), and the bottom surface of the middle glue frame (1) is provided with a plurality of limiting grooves (15), the limiting clamping cards (23) are inserted into the corresponding limiting grooves (15).

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