Anti-static device for surface of liquid crystal display screen

Abstract

The utility model relates to the technical field of liquid crystal display screens, in particular to a liquid crystal display screen surface anti-static device which comprises a frame, a display screen body installed in the frame, a first anti-static assembly arranged at one end of the frame, a second anti-static assembly arranged at the other end of the frame, and an anti-static film installed on the outer wall of the display screen body. The first anti-static assembly comprises a metal inserting block, an inserting groove is formed in the bottom face of one side of the first anti-static assembly, a fluororubber layer is fixedly arranged on the outer wall of the metal inserting block, the fluororubber layer and the metal inserting block are matched with the inserting groove in an inserting mode, and a plurality of metal conductive blocks are embedded in one end of the frame. According to the utility model, low-resistance conduction is ensured, rapid plugging of the metal plugging block is facilitated, an aged conductive assembly is convenient to replace, the surface of the anti-static film is made of an anti-static material, static accumulation is reduced, low-resistance conduction of the metal conductive block is matched, dual inhibition of static and dynamic static is realized, and the anti-static effect is good. And the static electricity residual risk in a dynamic friction scene is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to liquid crystal display screen technical field, concretely is a kind of liquid crystal display screen surface anti-static device. BACKGROUND

[0002] In the production and use process of liquid crystal display screen, static accumulation can cause screen surface to adsorb dust, interfere with display signal, even break through electronic component, seriously affect product performance and life;

[0003] According to the search, the China patent with the announcement number CN209418079U provides an anti-static liquid crystal display screen, which fixes the static eliminator at the back surface of the display screen to achieve the purpose of eliminating static electricity. By adding two anti-static materials, anti-static nylon plate and anti-static all-cotton fabric, the anti-static effect is further enhanced, thereby increasing the anti-static ability of the liquid crystal display screen, eliminating a large amount of static electricity generated during use of the liquid crystal display screen, and avoiding the harm caused by static electricity.

[0004] However, it is found in use that only relying on the physical barrier of anti-static nylon plate and all-cotton fabric cannot neutralize the dynamically generated static electricity in real time, the static electricity elimination speed is limited, the adaptability to high-humidity environment or high-frequency friction scene is poor, the risk of static electricity residue is high, and it is not conducive to the anti-static use of the surface of the liquid crystal display screen. UTILITY MODEL CONTENT

[0005] In view of the deficiencies of the prior art, the utility model provides a liquid crystal display screen surface anti-static device, the metal plug-in block is elastically plugged with the slot through the fluorine rubber layer, and keeps close contact with the metal conductive block under the extrusion effect, ensures low-resistance conduction, and facilitates quick plugging and unplugging of the metal plug-in block, facilitates replacement of the aged conductive assembly, the surface of the anti-static film is made of anti-static material, reduces static accumulation, cooperates with the low-resistance conduction of the metal conductive block, realizes double inhibition of static and dynamic static electricity, and reduces the risk of static electricity residue in dynamic friction scene.

[0006] To solve the above technical problems, the utility model provides the following technical scheme: a liquid crystal display screen surface anti-static device, comprising a frame, the frame is internally provided with a display screen body, one end of the frame is provided with a first anti-static assembly, the other end of the frame is provided with a second anti-static assembly, and the display screen body outer wall is provided with an anti-static film.

[0007] The first anti-static component includes a metal plug-in block, a slot is formed in the bottom surface of one side of the first anti-static component, a fluororubber layer is fixedly arranged on the outer wall of the metal plug-in block, the fluororubber layer and the metal plug-in block are respectively plugged into the slot, a plurality of metal conductive blocks are embedded in the inside of one end of the frame, one end of the metal conductive block abuts against the side wall of the display screen body, the other end of the metal conductive block abuts against the metal plug-in block, and a ground wire connecting end is fixedly arranged on the lower end of the metal conductive block.

[0008] Further, a plurality of conductive sheets are fixedly arranged on the side wall of the anti-static film, the conductive sheets are plugged into the metal conductive blocks, and the outer peripheral wall of the anti-static film is clamped with the inner peripheral wall of the frame.

[0009] Through the above technical solution, the anti-static film is plugged into the metal conductive block through the conductive sheets on the side wall, the surface static electricity is conducted to the metal conductive block, and then the metal plug-in block is connected to the ground wire connecting end and discharged to the ground.

[0010] Further, the second anti-static component includes an ionizer, a through slot is formed in one side of the frame, the ionizer is located in the through slot, a mounting block is plugged into the bottom surface of one side of the frame, the ionizer is mounted on the mounting block, and a gap is left between the ionizer and the display screen body.

[0011] Through the above technical solution, the ionizer ionizes the air to release positive and negative ions to neutralize the static electricity dynamically generated on the surface of the screen in real time, and eliminate the charge accumulation that cannot be handled by passive materials.

[0012] Further, a push block is fixedly arranged on the mounting block, a knob is fixedly arranged on the outer wall of the push block, two elastic clamping heads are fixedly arranged on the lower end of the side wall of the frame, a plurality of clamping grooves are formed in the outer wall of the push block, and the elastic clamping heads are clamped with the clamping grooves.

[0013] Through the above technical solution, the knob is pushed outward to compress the elastic clamping head, the clamping of the clamping groove is released, and the mounting block and the ionizer can be pulled out for replacement.

[0014] Further, a recess is arranged at the outer end of the through slot, a filter screen is embedded in the recess, a waterproof and breathable film is embedded in the inner wall of the filter screen, and a spherical groove is communicated at both ends of the recess.

[0015] Through the above technical solution, the air enters through the through slot, the dust is filtered through the filter screen, and the waterproof and breathable film prevents water from penetrating, so as to ensure that the ionizer operates in a suitable environment.

[0016] Further, two limiting sleeves are in frictional contact with the outer end of the filter screen, a T-shaped cylinder is fixedly arranged on the limiting sleeve, the outer peripheral wall of the T-shaped cylinder is slidably connected with a limiting block, a plurality of positioning grooves are formed in the frame, and the limiting sleeve and the limiting block are respectively clamped with the positioning grooves.

[0017] Further, the T-shaped cylindrical outer peripheral wall is sleeved with a spring, one end of the spring is fixedly connected with the T-shaped cylinder, and the other end of the spring is abutted with the outer wall of the limiting block.

[0018] Through the above technical scheme, the corresponding limiting sleeve and limiting block are respectively clamped into the inside of the positioning groove and then loosened, so that the spring is extruded to fix the limiting block, thereby facilitating the installation and disassembly of the filter screen.

[0019] Through the above technical scheme, the liquid crystal display screen surface anti-static device provided by the utility model has at least the following beneficial effects:

[0020] 1. The liquid crystal display screen surface anti-static device, the metal insertion block is elastically inserted into the insertion slot through the fluororubber layer, and is kept in close contact with the metal conductive block under the extrusion effect, so that low-resistance conduction is ensured; the metal insertion block is inserted into the insertion slot through the fluororubber layer, and the extrusion of the fluororubber layer in the insertion slot makes the contact effect of the metal insertion block and the metal conductive block better, and facilitates the quick insertion and extraction of the metal insertion block, facilitates the replacement of the aged conductive assembly, the surface of the anti-static film is made of an anti-static material, the accumulation of static electricity is reduced, the low-resistance conduction of the metal conductive block is matched, the double inhibition of static and dynamic static electricity is realized, and the risk of static electricity residue in a dynamic friction scene is reduced.

[0021] 2. The liquid crystal display screen surface anti-static device, the anti-static film is inserted into the metal conductive block through the conductive sheet of the side wall, surface static electricity is conducted to the metal conductive block, and then is conducted to the ground through the metal insertion block and the ground connection end; the ion rod of the second anti-static assembly is located in the through slot and keeps a gap with the display screen body, so that contact interference is avoided, the ion rod ionizes air, releases positive and negative ions to neutralize dynamic static electricity generated on the surface of the screen in real time, and eliminates the accumulation of charges that cannot be handled by passive materials.

[0022] 3. The liquid crystal display screen surface anti-static device, when the ion rod works, air enters through the through slot, dust is filtered through the filter screen, and the waterproof and breathable film prevents water from penetrating, so that the ion rod can operate in a suitable environment; when the filter screen is disassembled, the limiting block is pulled and slides along the T-shaped cylinder, at this time, the spring is compressed, the limiting sleeve and the limiting block are separated from the positioning groove, after the two positioning sleeves are removed, the filter screen is removed from the groove through the spherical groove, the disassembly and replacement of the filter screen are facilitated, dust is prevented from entering the inside of the through slot, and the service life of the ion rod is prolonged. BRIEF DESCRIPTION OF DRAWINGS

[0023] The drawings described herein are used to provide a further understanding of the utility model and form part of the present application:

[0024] Figure 1 It is a whole structure schematic view of the utility model;

[0025] Figure 2 This is a schematic diagram of the first antistatic component of this utility model;

[0026] Figure 3 This is a schematic diagram of the metal plug-in block structure of this utility model;

[0027] Figure 4 This is a bottom perspective view of the structure of the second antistatic component of this utility model;

[0028] Figure 5 This is a schematic diagram of the assembly of the limiting sleeve structure of this utility model.

[0029] In the diagram: 100, frame; 200, display screen body; 300, first anti-static component; 301, metal plug block; 302, slot; 303, fluororubber layer; 304, metal conductive block; 305, ground wire connection end; 400, second anti-static component; 401, ion rod; 402, through groove; 403, mounting block; 404, push block; 405, push block; 406, elastic clip; 407, card slot; 408, groove; 409, filter screen; 410, spherical groove; 411, limiting sleeve; 412, T-shaped cylinder; 413, limiting block; 414, positioning groove; 415, spring; 500, anti-static film; 501, conductive sheet. Detailed Implementation

[0030] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0031] Example 1

[0032] like Figures 1-4 As shown, this embodiment provides an anti-static device for the surface of a liquid crystal display screen, including a frame 100, a display screen body 200 installed inside the frame 100, a first anti-static component 300 provided at one end of the frame 100, a second anti-static component 400 provided at the other end of the frame 100, and an anti-static film 500 installed on the outer wall of the display screen body 200.

[0033] The first anti-static component 300 comprises a metal plug block 301, a slot 302 is formed on one side of the bottom surface of the first anti-static component 300, a fluororubber layer 303 is fixedly arranged on the outer wall of the metal plug block 301, the fluororubber layer 303 and the metal plug block 301 are respectively plugged into the slot 302, a plurality of metal conductive blocks 304 are embedded in one end of the frame 100, one end of the metal conductive block 304 abuts against the side wall of the display screen body 200, the other end of the metal conductive block 304 abuts against the metal plug block 301, and a ground wire connecting end 305 is fixedly arranged on the lower end of the metal conductive block 304.

[0034] A plurality of conductive sheets 501 are fixedly arranged on the side wall of the anti-static film 500, the conductive sheet 501 is plugged into the metal conductive block 304, and the outer circumferential wall of the anti-static film 500 is clamped with the inner circumferential wall of the frame 100; the anti-static film 500 is plugged into the metal conductive block 304 through the conductive sheet 501 on the side wall, the surface static electricity is conducted to the metal conductive block 304, and then conducted to the ground through the metal plug block 301 and the ground wire connecting end 305.

[0035] The second anti-static component 400 comprises an ion rod 401, a through slot 402 is formed on one side of the frame 100, the ion rod 401 is located in the through slot 402, a mounting block 403 is plugged into the bottom surface of one side of the frame 100, the ion rod 401 is mounted on the mounting block 403, and a gap is left between the ion rod 401 and the display screen body 200; the ion rod 401 ionizes air to release positive and negative ions to neutralize the static electricity generated on the screen surface in real time, and eliminate the charge accumulation that cannot be processed by passive materials.

[0036] A push block 404 is fixedly arranged on the mounting block 403, a push block 405 is fixedly arranged on the outer wall of the push block 404, two elastic clamping heads 406 are fixedly arranged on the lower end of the side wall of the frame 100, a plurality of clamping grooves 407 are formed on the outer wall of the push block 404, and the elastic clamping head 406 is clamped with the clamping groove 407; the push block 405 is pushed outward to compress the elastic clamping head 406, the clamping of the clamping groove 407 is released, and then the mounting block 403 and the ion rod 401 can be pulled out for replacement.

[0037] Working principle: the anti-static film 500 is directly covered on the surface of the display screen body 200, and the surface static electricity is conducted to the metal conductive block 304 through the conductive property of the anti-static film 500; one end of the metal conductive block 304 abuts against the side wall of the display screen body 200, the other end is conducted through the metal plug block 301 and the ground wire connecting end 305, and a grounding path is formed; the metal plug block 301 is elastically plugged into the slot 302 through the fluororubber layer 303, and keeps close contact with the metal conductive block 304 under the extrusion effect, so that low-resistance conduction is ensured.

[0038] The metal plug block 301 is inserted into the slot 302 through the fluororubber layer 303. The compression of the fluororubber layer 303 inside the slot 302 improves the contact between the metal plug block 301 and the metal conductive block 304, and facilitates the quick insertion and removal of the metal plug block 301. This makes it easier to replace aging conductive components. The surface of the antistatic film 500 is made of antistatic material, which reduces static electricity accumulation. Combined with the low resistance conduction of the metal conductive block 304, it achieves dual suppression of static and dynamic static electricity, reducing the risk of static electricity residue in dynamic friction scenarios.

[0039] The antistatic film 500 is connected to the metal conductive block 304 through the conductive sheet 501 on the side wall, and conducts the surface static electricity to the metal conductive block 304, and then conducts it to the ground through the metal plug-in block 301 and the ground wire connection terminal 305; the ion rod 401 of the second antistatic component 400 is located in the through groove 402, and maintains a gap with the display body 200 to avoid contact interference. The ion rod 401 releases positive and negative ions by ionizing the air to neutralize the static electricity dynamically generated on the screen surface in real time, and eliminates the charge accumulation that passive materials cannot handle.

[0040] During disassembly, push the lever 405 outward to compress the elastic clip 406, releasing it from the slot 407, and then pull out the mounting block 403 and the ion rod 401; during installation, push the lever 404 to make the elastic clip 406 automatically snap into the corresponding slot 407, achieving quick fixation.

[0041] Example 2

[0042] like Figure 1 , Figure 4 and Figure 5 As shown, based on Embodiment 1, the outer end of the through groove 402 is provided with a groove 408, the inside of the groove 408 is provided with a filter screen 409, the inner wall of the filter screen 409 is provided with a waterproof and breathable membrane, and the two ends of the groove 408 are connected to a spherical groove 410; air enters through the through groove 402, is filtered by the filter screen 409 to remove dust, and the waterproof and breathable membrane prevents moisture penetration, ensuring that the ion rod 401 operates in a suitable environment.

[0043] The filter screen 409 has two limiting sleeves 411 in friction contact at its outer end. A T-shaped cylinder 412 is fixedly mounted on the limiting sleeve 411. A limiting block 413 is slidably connected to the outer peripheral wall of the T-shaped cylinder 412. Multiple positioning grooves 414 are provided on the frame 100. The limiting sleeves 411 and the limiting blocks 413 are respectively engaged with the positioning grooves 414. A spring 415 is fitted on the outer peripheral wall of the T-shaped cylinder 412. One end of the spring 415 is fixedly connected to the T-shaped cylinder 412, and the other end of the spring 415 abuts against the outer wall of the limiting block 413. After the corresponding limiting sleeves 411 and limiting blocks 413 are engaged in the positioning grooves 414, they are released, so that the spring 415 presses against the limiting block 413 to fix it, which facilitates the installation and removal of the filter screen 409.

[0044] In use, when the ion stick 401 works, air enters through the through slot 402, dust is filtered through the filter screen 409, and the waterproof and breathable film prevents moisture from penetrating, ensuring that the ion stick 401 operates in a suitable environment.

[0045] When the filter screen 409 is disassembled, the limiting block 413 is pulled to slide along the T-shaped cylinder 412, at this time the spring 415 is compressed, the limiting sleeve 411 and the limiting block 413 are separated from the positioning groove 414 respectively, after the two limiting sleeves 411 are removed, the filter screen 409 is removed from the groove 408 through the spherical groove 410, which facilitates disassembly and replacement of the filter screen 409, reduces dust entering the inside of the through slot 402, and prolongs the service life of the ion stick 401.

[0046] When installing, the filter screen 409 is aligned with the groove 408, the corresponding limiting sleeve 411 and limiting block 413 are respectively clamped into the inside of the positioning groove 414, and then loosened, so that the spring 415 extrudes and fixes the limiting block 413, which facilitates installation and disassembly of the filter screen 409 and improves the anti-static effect of the surface of the liquid crystal display screen.

[0047] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A liquid crystal display screen surface anti-static device, comprising a frame (100), a display screen body (200) is installed inside the frame (100), characterized in that: One end of the frame (100) is provided with a first anti-static component (300), the other end of the frame (100) is provided with a second anti-static component (400), the outer wall of the display screen body (200) is provided with an anti-static film (500); The first anti-static component (300) includes a metal plug-in block (301), a slot (302) is formed in the bottom surface of one side of the first anti-static component (300), a fluororubber layer (303) is fixedly arranged on the outer wall of the metal plug-in block (301), the fluororubber layer (303) and the metal plug-in block (301) are respectively plugged into the slot (302), a plurality of metal conductive blocks (304) are embedded in the inside of one end of the frame (100), one end of the metal conductive block (304) abuts against the side wall of the display screen body (200), the other end of the metal conductive block (304) abuts against the metal plug-in block (301), and a ground wire connecting end (305) is fixedly arranged at the lower end of the metal conductive block (304).

2. The liquid crystal display screen surface antistatic device according to claim 1, characterized in that: The side wall of the anti-static film (500) is fixedly provided with a plurality of conductive sheets (501), the conductive sheet (501) is plugged into the metal conductive block (304), and the outer peripheral wall of the anti-static film (500) is clamped with the inner peripheral wall of the frame (100).

3. The apparatus according to claim 1, wherein the liquid crystal display surface is a surface of a liquid crystal display screen. The second anti-static component (400) includes an ion rod (401), a through slot (402) is formed in one side of the frame (100), the ion rod (401) is located in the inside of the through slot (402), an installation block (403) is plugged into the bottom surface of one side of the frame (100), the ion rod (401) is installed on the installation block (403), and a gap is left between the ion rod (401) and the display screen body (200).

4. The liquid crystal display screen surface antistatic device according to claim 3, wherein: A push block (404) is fixedly arranged on the installation block (403), a push block (404) is fixedly arranged on the outer wall of the push block (404), two elastic clamping heads (406) are fixedly arranged at the lower end of the side wall of the frame (100), a plurality of clamping grooves (407) are formed in the outer wall of the push block (404), and the elastic clamping head (406) is clamped with the clamping groove (407).

5. The apparatus according to claim 4, wherein the liquid crystal display surface is a surface of a liquid crystal display screen. The outer end of the through slot (402) is provided with a groove (408), a filter screen (409) is embedded in the inside of the groove (408), a waterproof and breathable film is embedded in the inner wall of the filter screen (409), and spherical grooves (410) are communicated at both ends of the groove (408).

6. The liquid crystal display screen surface antistatic device according to claim 5, wherein: Two limiting sleeves (411) are frictionally contacted at the outer end of the filter screen (409), a T-shaped cylinder (412) is fixedly arranged on the limiting sleeve (411), a limiting block (413) is slidably connected to the outer peripheral wall of the T-shaped cylinder (412), a plurality of positioning grooves (414) are formed in the frame (100), and the limiting sleeve (411) and the limiting block (413) are respectively clamped with the positioning grooves (414).

7. The apparatus according to claim 6, wherein the liquid crystal display surface is a surface of a liquid crystal display screen. A spring (415) is sleeved on the outer peripheral wall of the T-shaped cylinder (412), one end of the spring (415) is fixedly connected with the T-shaped cylinder (412), and the other end of the spring (415) abuts against the outer wall of the limiting block (413).

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