Liquid crystal screen FPC flat cable shielding device

Abstract

The utility model relates to the technical field of liquid crystal screens, in particular to a liquid crystal screen FPC flat cable shielding device which comprises a shielding shell, an installation mechanism is installed on the surface of the shielding shell, fixing mechanisms are installed at the two ends of the shielding shell, a shielding layer is fixedly installed in the shielding shell, and the installation mechanism comprises a first frame body. The first frame bodies are fixedly installed on the shielding shell, the number of the first frame bodies is two, and the two first frame bodies are symmetrically arranged with the shielding shell as the center. According to the utility model, the purpose of conveniently adjusting the positions of the mounting through holes is achieved through the arrangement of the mounting mechanism, the shielding shell can be fixedly mounted on the circuit board of the liquid crystal screen by cooperating with bolts, the purpose of fixing the FPC flat cable is achieved through the arrangement of the fixing mechanism, and the purpose of further improving the shielding effect is achieved through the arrangement of the shielding layer.

Description

TECHNICAL FIELD

[0001] The utility model relates to liquid crystal screen technical field especially relates to a liquid crystal screen FPC wire shielding device. BACKGROUND

[0002] Liquid crystal screen is a common display technology, which uses the optical properties of liquid crystal material to control light and display images.

[0003] In liquid crystal display technology, FPC wire is used to connect liquid crystal screen and driving circuit to realize signal transmission. However, in the process of signal transmission, FPC wire is easy to be affected by external electromagnetic interference, thereby affecting display effect and signal stability. At present, the common solution is to increase shielding layer outside FPC wire, but the existing shielding device has problems such as inconvenient installation and unsatisfactory shielding effect. UTILITY MODEL CONTENT

[0004] The utility model aims at solving the above-mentioned shortcomings in prior art and provides a liquid crystal screen FPC wire shielding device.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] Design a kind of liquid crystal screen FPC wire shielding device, including shielding shell, the surface of the shielding shell is equipped with mounting mechanism, the both ends of the shielding shell are equipped with fixed mechanism, shielding layer is fixedly installed in the shielding shell, the mounting mechanism includes first frame body, the first frame body is fixedly installed on shielding shell, the number of the first frame body is two, two the first frame body is symmetrically arranged with shielding shell as center.

[0007] Further, the shape of the first frame body is square frame, the inner wall of the first frame body is fixedly installed with mounting plate, the shape of the mounting plate is square plate, the number of the mounting plate is two, two the mounting plate is symmetrically arranged with shielding shell as center.

[0008] Further, the side of the mounting plate is rotatably connected with first screw rod through bearing, one end of the first screw rod penetrates the first frame body, one end of the first screw rod is fixedly installed with handle, the shape of the handle is cylindrical plate.

[0009] Further, the first screw rod is screw-connected with mounting block, the shape of the mounting block is square block, the mounting block is equipped with mounting through hole, the shape of the mounting through hole is cylindrical through hole, the side of the mounting plate is fixedly installed with slide rod, the shape of the slide rod is cylindrical rod, the mounting block slides on the slide rod.

[0010] Further, the fixing mechanism comprises a second frame body, the second frame body is fixedly installed at one end of the shielding shell, the number of the second frame body is two, and the two second frame bodies are symmetrically arranged with the shielding shell as the center.

[0011] Further, an inner wall of the second frame body is provided with a groove, the groove is a square groove, a top end of the second frame body is fixedly installed with a motor, a rotating shaft of the motor penetrates through the inner wall of the groove, a second screw rod is fixedly installed at an end of the rotating shaft of the motor, a pressing block is threadedly connected to the second screw rod, the pressing block is a square block, and the pressing block slides on the inner wall of the groove.

[0012] Further, the shielding layer is made of conductive foam.

[0013] The liquid crystal screen FPC flat cable shielding device has the advantages that the mounting mechanism is arranged, the mounting through hole position is conveniently adjusted, the shielding shell is conveniently fixedly installed on the circuit board of the liquid crystal screen through cooperation with the bolt, the fixing mechanism is arranged, the FPC flat cable is fixed, the shielding layer is arranged, and the shielding effect is further improved. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a whole structure schematic view of the utility model;

[0015] Figure 2 It is a groove section view of the utility model;

[0016] Figure 3 It is a first frame body schematic view of the utility model;

[0017] Figure 4 It is a shielding layer schematic view of the utility model.

[0018] In the drawing: 1, shielding shell; 21, first frame body; 22, mounting block; 23, mounting plate; 24, first screw rod; 25, mounting through hole; 26, handle; 27, sliding rod; 31, motor; 32, second frame body; 33, pressing block; 34, second screw rod; 35, groove; 4, shielding layer. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to 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.

[0020] REFERENCE Figures 1-4The utility model provides a liquid crystal screen FPC flat cable shielding device, including shielding shell 1, its characterized in be: shielding shell 1 adopts aluminium alloy and is made to, and surface is coated with insulating layer, the surface of shielding shell 1 is equipped with mounting mechanism, through being equipped with mounting mechanism, play the purpose of the convenient adjustment installation through -hole 25 position, cooperate bolt, it is favorable to the fixed mounting of shielding shell 1 on the circuit board of liquid crystal screen, the both ends of shielding shell 1 are equipped with fixed mechanism, through being equipped with fixed mechanism, play the purpose of the fixed FPC flat cable, it is favorable to the shielding of shielding shell 1 to FPC flat cable, shielding shell 1 is fixedly installed with shielding layer 4 in, through being equipped with shielding layer 4, play the purpose of further improving shielding effect, and mounting mechanism includes first frame body 21, and first frame body 21 is fixedly installed on shielding shell 1, and the number of first frame body 21 is two, and two first frame body 21 are symmetrically set up with shielding shell 1 as center, and the setting of first frame body 21 is used to receive the installation of mounting plate 23.

[0021] In detail, the first frame body 21 is a square frame, the inner wall of the first frame body 21 is fixedly installed with the mounting plate 23, the mounting plate 23 is a square plate, the number of the mounting plate 23 is two, and the two mounting plates 23 are symmetrically set up with the shielding shell 1 as center, and the setting of the mounting plate 23 is used to receive the installation of the first screw rod 24.

[0022] Further, the side of the mounting plate 23 is rotatably connected with the first screw rod 24 through a bearing, the first screw rod 24 is used to drive the mounting block 22 to linearly slide along the surface of the slide rod 27, one end of the first screw rod 24 penetrates through the first frame body 21, one end of the first screw rod 24 is fixedly installed with the handle 26, the handle 26 is a cylindrical plate, and the setting of the handle 26 is used to drive the first screw rod 24 to rotate.

[0023] Still further, the first screw rod 24 is threadedly connected with the mounting block 22, the mounting block 22 is a square block, and the setting of the mounting block 22 is used to receive the installation of the installation through -hole 25, the mounting block 22 is provided with the installation through -hole 25, the installation through -hole 25 is used in cooperation with the bolt to facilitate the fixing of the shielding shell 1 to the circuit board of the liquid crystal screen, the installation through -hole 25 is a cylindrical through -hole, the side of the mounting plate 23 is fixedly installed with the slide rod 27, the slide rod 27 is a cylindrical rod, the mounting block 22 slides on the slide rod 27, and the setting of the slide rod 27 is used to limit the mounting block 22.

[0024] More specifically, the fixed mechanism includes a second frame body 32, the second frame body 32 is fixedly installed on one end of the shielding shell 1, the number of the second frame body 32 is two, and the two second frame bodies 32 are symmetrically set up with the shielding shell 1 as center, and the setting of the second frame body 32 is used to receive the insertion of the FPC flat cable.

[0025] In general, the inner wall of the second frame body 32 is provided with a groove 35, the groove 35 is a square groove, the groove 35 is arranged to accommodate the sliding of the pressing block 33, the top end of the second frame body 32 is fixedly provided with a motor 31, the motor 31 has a forward and reverse rotation function, the motor 31 is arranged to drive the second lead screw 34 to rotate, the rotating shaft of the motor 31 penetrates the inner wall of the groove 35, the rotating shaft of the motor 31 is fixedly provided with the second lead screw 34, the second lead screw 34 is arranged to drive the pressing block 33 to slide along the inner wall of the groove 35, the pressing block 33 is threadedly connected to the second lead screw 34, the pressing block 33 is a square block, the pressing block 33 slides in the groove 35, and the pressing block 33 is arranged to fix the FPC flat cable to the inner wall of the second frame body 32.

[0026] Finally, the shielding layer 4 is made of conductive foam, the conductive foam is a special foam material, has conductivity, can be used for shielding electromagnetic interference in electronic equipment, protects sensitive electronic elements from external electromagnetic waves, has good sound absorption performance, and is also suitable for environments requiring noise reduction. By arranging the shielding layer 4, the shielding effect is further improved.

[0027] The working mode is as follows: when installing, the FPC flat cable is inserted into the shielding shell 1 through the second frame body 32, then the motor 31 is started, the motor 31 drives the second lead screw 34 to rotate, the second lead screw 34 drives the pressing block 33 to move linearly along the inner wall of the groove 35, until the pressing block 33 tightly fixes the FPC flat cable, then according to the mounting surface condition of the liquid crystal screen circuit board, the handle 26 is rotated, the handle 26 drives the first lead screw 24 to rotate, the first lead screw 24 drives the mounting block 22 to slide linearly along the surface of the slide rod 27, until the mounting through hole 25 on the mounting block 22 moves to a proper interval, then the above operation is repeated, the positions of the remaining mounting through holes 25 are adjusted in sequence, and after adjustment is completed, the shielding shell 1 is fixedly installed on the circuit board of the liquid crystal screen through bolts.

[0028] The shielding shell 1 is provided with the shielding layer 4, the shielding layer 4 is made of conductive foam, the conductive foam is a special foam material, has conductivity, can be used for shielding electromagnetic interference in electronic equipment, protects sensitive electronic elements from external electromagnetic waves, has good sound absorption performance, and is also suitable for environments requiring noise reduction. By arranging the shielding layer 4, the shielding effect is further improved.

[0029] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application 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 screen FPC cable shielding device, comprising a shielding shell (1), characterized in that: The surface of the shielding shell (1) is installed with a mounting mechanism, both ends of the shielding shell (1) are installed with fixing mechanisms, a shielding layer (4) is fixedly installed in the shielding shell (1), and the mounting mechanism includes a first frame (21), the first frame (21) is fixedly installed on the shielding shell (1), the number of the first frame (21) is two, and the two first frames (21) are symmetrically arranged with the shielding shell (1) as the center.

2. The LCD FPC cable shielding device according to claim 1, characterized in that: The first frame (21) is in the shape of a square frame, and a mounting plate (23) is fixedly mounted on the inner wall of the first frame (21). The mounting plate (23) is in the shape of a square plate. There are two mounting plates (23), and the two mounting plates (23) are symmetrically arranged with the shielding shell (1) as the center.

3. The LCD FPC cable shielding device according to claim 2, characterized in that: A first screw rod (24) is rotatably connected to the side surface of the mounting plate (23) via a bearing. One end of the first screw rod (24) passes through the first frame (21). A handle (26) is fixedly mounted on one end of the first screw rod (24). The handle (26) is in the shape of a cylindrical plate.

4. The LCD FPC cable shielding device according to claim 3, characterized in that: The first screw rod (24) is threadedly connected to a mounting block (22), the mounting block (22) is in the shape of a square block, a mounting through hole (25) is provided on the mounting block (22), the mounting through hole (25) is in the shape of a cylindrical through hole, a sliding rod (27) is fixedly mounted on the side of the mounting plate (23), the sliding rod (27) is in the shape of a cylindrical rod, and the mounting block (22) slides on the sliding rod (27).

5. The LCD FPC cable shielding device according to claim 1, characterized in that: The fixing mechanism comprises a second frame (32), the second frame (32) being fixedly mounted on one end of the shielding shell (1), the number of the second frame (32) being two, and the two second frames (32) being symmetrically arranged with the shielding shell (1) as the center.

6. The LCD FPC cable shielding device according to claim 5, characterized in that: The inner wall of the second frame (32) is provided with a groove (35) in the shape of a square groove. A motor (31) is fixedly mounted on the top of the second frame (32). The rotating shaft of the motor (31) passes through the inner wall of the groove (35). A second screw rod (34) is fixedly mounted on the rotating shaft end of the motor (31). A pressure block (33) is threadedly connected to the second screw rod (34). The pressure block (33) is in the shape of a square block and slides on the inner wall of the groove (35).

7. The LCD FPC cable shielding device according to claim 1, characterized in that: The shielding layer (4) is made of conductive foam.

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