Back adhesive structure of liquid crystal reflecting film and liquid crystal screen

Abstract

The utility model discloses a back adhesive structure of a liquid crystal reflecting film and a liquid crystal screen, which belongs to the technical field of liquid crystal display and comprises the liquid crystal display screen and a reflecting film body arranged at the top of the liquid crystal display screen. The back glue layer is coated between the liquid crystal display screen and the reflecting film body, the edge sealing frame is installed on the liquid crystal display screen, grooves are symmetrically formed in the top of the edge sealing frame, through holes are formed in the bottom ends of the grooves, a guide frame fixedly connected with the edge sealing frame is arranged at the edge of a bottom opening of each through hole, and the edge of the bottom opening of each guide frame is provided with a groove. A guide hole is formed in the guide frame, the distance between the pressing block and the extrusion frame can be adjusted, then the pressing force of the pressure spring on the extrusion frame can be adjusted, the shorter the distance of the pressure spring is, the larger the generated reverse acting force is, and therefore adjustment of the pressure of the reflecting film body is achieved to adapt to the reflecting film body in different environments.

Description

TECHNICAL FIELD

[0001] The utility model relates to liquid crystal display technical field more specifically, relate to a kind of back adhesive structure of liquid crystal reflection film and liquid crystal screen. BACKGROUND

[0002] The back adhesive structure of liquid crystal reflection film and liquid crystal screen mainly includes reflection film, liquid crystal display screen and back adhesive layer. The reflection film is located at the top of the liquid crystal display screen, and is fixed on the liquid crystal display screen by the back adhesive layer, to form an integrated structure. This structure is pressed by the reflection film through the reverse force of the pressure spring of the edge sealing pressing plate, so as to press the four sides of the reflection film and the liquid crystal display screen, avoid the reflection film at the four sides from being raised, and achieve the purpose of edge sealing.

[0003] However, the back adhesive structure of the existing liquid crystal reflection film and liquid crystal screen is pressed by the reflection film through the reverse force of the pressure spring of the edge sealing pressing plate, so as to press the four sides of the reflection film and the liquid crystal display screen, avoid the reflection film at the four sides from being raised. Since the pressure of the edge sealing plate cannot be adjusted according to the environment in which the reflection film is used, there is still room for improvement. Therefore, we propose a back adhesive structure of liquid crystal reflection film and liquid crystal screen to solve the above problems. SUMMARY

[0004] 1. Technical problem to be solved

[0005] In view of the problems existing in the prior art, the purpose of the utility model is to provide a back adhesive structure of liquid crystal reflection film and liquid crystal screen, which can adjust the distance between the pressing block and the extrusion frame, and thus can adjust the pressing force of the pressure spring on the extrusion frame. The shorter the distance of the pressure spring, the greater the reverse force generated, so as to realize the adjustment of the pressure on the reflection film body, to adapt to the reflection film body in different environments.

[0006] 2. Technical scheme

[0007] To solve the above problems, the utility model adopts the following technical scheme.

[0008] A back adhesive structure of liquid crystal reflection film and liquid crystal screen, comprising a liquid crystal display screen, a reflection film body arranged on the top of the liquid crystal display screen, a back adhesive layer coated between the liquid crystal display screen and the reflection film body, and an edge sealing frame mounted on the liquid crystal display screen. The top of the edge sealing frame is symmetrically provided with a recess, and the bottom end of the recess is provided with a through hole.

[0009] The bottom edge part of the through hole is provided with a guide frame fixedly connected with the edge sealing frame, and a guide hole is formed in the guide frame.

[0010] The adjusting bolt is inserted into the groove, the adjusting bolt penetrates the through hole, a pressing block is screwed on the adjusting bolt, a side wall of the pressing block is integrally formed with a guide pin head which is in sliding connection with a guide hole, and a pressure spring is arranged below the pressing block.

[0011] The edge part of the reflective film body is crimped with an extrusion frame, and the surface of the extrusion frame is provided with a recess hole which is in rotational connection with the bottom end of the adjusting bolt.

[0012] Further, the top edge of the groove is provided with an angle scale, and the angle scale is provided with a plurality of radial orientations.

[0013] Further, the top end of the adjusting bolt is integrally formed with a pointer corresponding to the angle scale.

[0014] Further, one end of the pressure spring is in abutment with the pressing block, and the other end of the pressure spring is in abutment with the extrusion frame.

[0015] Further, the inner diameter of the recess hole is matched with the outer diameter of the bottom end of the adjusting bolt.

[0016] Further, the inner side of the recess hole is filled with an anti-skid rubber pad, and the anti-skid rubber pad is in abutment with the bottom end of the adjusting bolt.

[0017] Further, the inner diameter of the recess hole is matched with the outer diameter of the bottom end of the adjusting bolt.

[0018] 3. Beneficial effects

[0019] Compared with the prior art, the utility model has the advantages that:

[0020] (1) In the scheme, the adjusting bolt installed on the inner side of the groove is self-rotated by cooperating with the recess hole on the extrusion frame by using a tool such as a screwdriver, and the guide pin head provided on the side wall of the pressing block cooperates with the guide hole on the guide frame to slide, so that the distance between the pressing block and the extrusion frame can be adjusted, and the pressing force of the pressure spring on the extrusion frame can be adjusted, the shorter the distance of the pressure spring, the greater the reverse force generated, so that the pressure of the reflective film body can be adjusted to adapt to different environments.

[0021] (2) In the scheme, during the adjustment of the rotation of the adjusting bolt, the pointer corresponds to different angle scales, so that the distance of the pressure spring can be accurately adjusted, so that the pressing force of the reflective film body in different environments is different, and the adjustment accuracy is improved. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0023] Figure 2It is the front view schematic diagram of the edge sealing frame of the utility model;

[0024] Figure 3 It is the A-A part section view schematic diagram of the edge sealing frame of the utility model;

[0025] Figure 4 It is the three-dimensional structure schematic diagram of the edge sealing frame of the utility model;

[0026] Figure 5 It is the A part enlarged schematic diagram of the edge sealing frame of the utility model;

[0027] Figure 6 It is the guide frame structure schematic diagram of the utility model;

[0028] Figure 7 It is the adjusting bolt structure schematic diagram of the utility model;

[0029] Figure 8 It is the extrusion frame structure schematic diagram of the utility model.

[0030] Mark explanation in the drawing:

[0031] 1, liquid crystal display screen, 2, back adhesive layer, 3, reflector body, 4, edge sealing frame, 5, recess, 6, through hole, 7, angle scale, 8, adjusting bolt, 9, guide frame, 10, guide hole, 11, pressing block, 12, guide post head, 13, pressure spring, 14, pointer, 15, extrusion frame, 16, recess hole. Specific implementation

[0032] The technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model; Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments, based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the protection scope of the utility model.

[0033] Embodiment:

[0034] Please refer to Figures 1-8 , a kind of liquid crystal reflector and the back adhesive structure of liquid crystal screen, including liquid crystal display screen 1, reflector body 3 being set at the top of liquid crystal display screen 1, back adhesive layer 2 being coated between liquid crystal display screen 1 and reflector body 3 and edge sealing frame 4 being installed on liquid crystal display screen 1, the top of edge sealing frame 4 is symmetrically provided with recess 5, the bottom end of recess 5 is provided with through hole 6;

[0035] The bottom edge portion of through hole 6 is provided with guide frame 9 fixedly connected with edge sealing frame 4, and guide hole 10 is formed in guide frame 9;

[0036] The adjusting bolt 8 is inserted into the groove 5 through the through hole 6, the pressing block 11 is screwed on the adjusting bolt 8, the side wall of the pressing block 11 is integrally formed with the guide column head 12 which is in sliding connection with the guide hole 10, and the pressure spring 13 is sleeved below the pressing block 11;

[0037] The edge part of the reflective film body 3 is crimped with the extrusion frame 15, the surface of the extrusion frame 15 is provided with the recess hole 16 which is in rotational connection with the bottom end of the adjusting bolt 8;

[0038] It should be noted that the adjusting bolt 8 installed in the inner side of the groove 5 is self-rotated by cooperating with the recess hole 16 provided on the extrusion frame 15, and the guide column head 12 provided on the side wall of the pressing block 11 is in sliding connection with the guide hole 10 provided on the guide frame 9, so that the distance between the pressing block 11 and the extrusion frame 15 can be adjusted, and the pressing force of the pressure spring 13 on the extrusion frame 15 can be adjusted, the shorter the distance of the pressure spring 13, the greater the reverse force generated, so as to adjust the pressure on the reflective film body 3 to adapt to the reflective film body 3 in different environments, and the reflective film is extruded by the reverse force of the pressure spring 13 on the extrusion frame 15, so as to press and hold the four sides of the reflective film body 3 and the liquid crystal display screen 1, avoid the four sides of the reflective film body 3 from being raised, and achieve the purpose of edge sealing.

[0039] As shown in Figure 5 , Figure 7 , the top edge of the groove 5 is provided with the angular scale 7, and a plurality of angular scales 7 are arranged in the radial direction of the groove 5, and the top end of the adjusting bolt 8 is integrally formed with the pointer 14 corresponding to the angular scale 7;

[0040] It should be noted that during the adjustment of the rotation of the adjusting bolt 8, the pointer 14 corresponds to different angular scales 7, so that the distance of the pressure spring 13 can be accurately adjusted, so that the pressing force of the reflective film body 3 in different environments can be adjusted, and the adjustment accuracy is improved.

[0041] As shown in Figure 1 , Figure 7 , one end of the pressure spring 13 abuts against the pressing block 11, and the other end of the pressure spring 13 abuts against the extrusion frame 15;

[0042] It should be noted that the reflective film is extruded by the reverse force of the pressure spring 13 on the extrusion frame 15, so as to press and hold the four sides of the reflective film body 3 and the liquid crystal display screen 1, avoid the four sides of the reflective film body 3 from being raised, and achieve the purpose of edge sealing.

[0043] As shown in Figure 5 , Figure 7 , Figure 8 , the inner diameter of the recess hole 16 is matched with the outer diameter of the bottom end of the adjusting bolt 8, and the inner diameter of the groove 5 is matched with the outer diameter of the top end of the adjusting bolt 8;

[0044] It should be noted that the stability of the adjusting bolt 8 during the adjustment rotation is ensured.

[0045] As shown in Figure 8 The inner side of the recess 16 is filled with a non-slip rubber pad, and the non-slip rubber pad abuts against the bottom end of the adjusting bolt 8.

[0046] It should be noted that the friction between the adjusting bolt 8 can be increased to prevent the adjusting bolt 8 from loosening.

[0047] In use: the adjusting bolt 8 installed in the inner side of the recess 5 is self-rotated by using a tool such as a screwdriver to cooperate with the recess 16 opened on the extrusion frame 15, and the guide column head 12 provided on the side wall of the pressing block 11 cooperates with the guide hole 10 opened on the guide frame 9 to slide, so that the distance between the pressing block 11 and the extrusion frame 15 can be adjusted, and then the pressing force of the pressure spring 13 on the extrusion frame 15 can be adjusted. The shorter the distance of the pressure spring 13, the greater the reverse force generated, so as to realize the adjustment of the pressure of the reflective film body 3.

[0048] The above is only a preferred specific embodiment of the present application; however, the protection scope of the present application is not limited thereto. Any skilled person in the art, according to the technical scheme and the improvement concept of the present application, can make equivalent replacement or change within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A liquid crystal reflective film and liquid crystal screen back adhesive structure, comprising a liquid crystal display screen (1), a reflective film body (3) arranged on the top of the liquid crystal display screen (1), a back adhesive layer (2) coated between the liquid crystal display screen (1) and the reflective film body (3), and an edge frame (4) mounted on the liquid crystal display screen (1), characterized in that: The top of the edge frame (4) is symmetrically provided with a recess (5), and the bottom end of the recess (5) is provided with a through hole (6); ​ The bottom edge of the through hole (6) is provided with a guide frame (9) fixedly connected with the edge frame (4), and the guide frame (9) is provided with a guide hole (10); The recess (5) is inserted with an adjusting bolt (8) penetrating through the through hole (6), the adjusting bolt (8) is screwed with a pressing block (11), the side wall of the pressing block (11) is integrally formed with a guide column head (12) slidably connected with the guide hole (10), and the pressing block (11) is provided below with a pressure spring (13); The edge of the reflective film body (3) is crimped with an extrusion frame (15), and the surface of the extrusion frame (15) is provided with a recess hole (16) rotatably connected with the bottom end of the adjusting bolt (8).

2. The adhesive structure of claim 1, wherein the liquid crystal reflective film is a liquid crystal film having a plurality of liquid crystal molecules, and the liquid crystal molecules are arranged in a columnar shape. The top edge of the recess (5) is provided with an angular scale (7), and the angular scale (7) is provided with a plurality of angular scales in the radial direction of the recess (5).

3. The adhesive structure of claim 2, wherein the adhesive structure is a liquid crystal reflective film and liquid crystal screen adhesive structure. The top end of the adjusting bolt (8) is integrally formed with a pointer (14) corresponding to the angular scale (7).

4. The adhesive structure of claim 1, wherein the liquid crystal reflective film is a liquid crystal film. One end of the pressure spring (13) abuts against the pressing block (11), and the other end of the pressure spring (13) abuts against the extrusion frame (15).

5. The adhesive structure of claim 1, wherein: the liquid crystal reflective film is a liquid crystal on silicon (LCOS) film; the liquid crystal panel is a liquid crystal display (LCD) panel; and the adhesive layer is a polarized light film (PLF) layer. The inner diameter of the recess hole (16) is matched with the outer diameter of the bottom end of the adjusting bolt (8).

6. The adhesive structure of claim 1, wherein the liquid crystal reflective film is a liquid crystal film. The inner side of the recess hole (16) is filled with a non-slip rubber pad, and the non-slip rubber pad abuts against the bottom end of the adjusting bolt (8).

7. The adhesive structure of claim 1, wherein: the liquid crystal reflective film is a liquid crystal film having a plurality of liquid crystal molecules, and the liquid crystal molecules are arranged in a plurality of layers, each layer having a different orientation than the other layers. The inner diameter of the recess hole (16) is matched with the outer diameter of the bottom end of the adjusting bolt (8). The inner diameter of the recess hole (16) is matched with the outer diameter of the bottom end of the adjusting bolt (8).

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