CN211467746U

CN211467746U - Liquid crystal display back has protection film of explosion-proof function

Info

Publication number: CN211467746U
Application number: CN201921809199.7U
Authority: CN
Inventors: 吴东君; 张龙春
Original assignee: Aisti Tianjin Electrostatic Co ltd
Current assignee: Aisti Tianjin Electrostatic Co ltd
Priority date: 2019-10-25
Filing date: 2019-10-25
Publication date: 2020-09-11
Anticipated expiration: 2029-10-25

Abstract

The utility model provides a liquid crystal display back has explosion-proof function's protection film. The protection film that the liquid crystal display back has explosion-proof function includes protection film main part, baffle and fixed establishment, swing joint has first strake and second strake on the protection film main part lateral wall, the one end that protection film main part was kept away from to first strake and second strake all is connected with the baffle, fixed establishment installs on the lateral wall of baffle, fixed establishment includes lead screw and sucking disc, lead screw threaded connection is on the baffle lateral wall, the sucking disc rotates to be connected and is served at the screw in of lead screw. The utility model provides a when the liquid crystal display back has the explosion-proof function of protection film mould of explosion-proof function, the phenomenon that the protection film breaks away from the display screen because of turn-ups or turn-up still can not appear.

Description

Liquid crystal display back has protection film of explosion-proof function

Technical Field

The utility model relates to a protection film technical field especially relates to a liquid crystal display back has protection film of explosion-proof function.

Background

With the rapid development and progress of electronic and semiconductor technologies, various types of mobile devices and wearable devices, such as: notebook computers, tablet phones, smart watches, smart bracelets and the like have been penetrated into the lives of modern people for a long time, and in order to prevent display screens of electronic products from being scratched in use, protective films are often attached to the surfaces of the display screens.

A plurality of protective films with an explosion-proof function appear on the market nowadays, although the effect is better, the protective film can be curled after a long time, and the protective film is easy to fall off.

Therefore, it is necessary to provide a protective film having an explosion-proof function on the back surface of the liquid crystal display to solve the above-mentioned technical problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical problem provide a liquid crystal display back has protection film of explosion-proof function.

In order to solve the technical problem, the utility model provides a liquid crystal display back has protection film of explosion-proof function includes: the side wall of the protective film body is movably connected with a first edge strip and a second edge strip;

the end, far away from the protective film main body, of each of the first edge strip and the second edge strip is connected with a partition plate;

the fixing mechanism is installed on the side wall of the partition board and comprises a screw rod and a sucker, the screw rod is in threaded connection with the side wall of the partition board, and the sucker is connected to the screw-in end of the screw rod in a rotating mode.

Preferably, the protection film main part includes PET protective layer, the antifouling sudden strain of a muscle dope layer of RTV, TPU rete and high silica gel layer of passing through, PET protective layer, the antifouling sudden strain of a muscle dope layer of RTV, TPU rete and high silica gel layer of passing through laminate from last to down in proper order.

Preferably, the PET protective layer is 50 μm, the RTV anti-pollution flashover coating layer is 20 μm, the TPU film layer is 100 μm, and the high-permeability silica gel layer is 40 μm.

Preferably, the side wall of the partition board is provided with a threaded hole matched with the screw rod, and the screw rod is in threaded connection with the side wall of the partition board through the threaded hole.

Preferably, a clamping groove is formed in the side wall, in contact with the protective film main body, of the first edge strip and the second edge strip, and the side wall of the protective film main body is adhered to the inside of the clamping groove.

Preferably, one end of the screw rod, which is far away from the sucker, is fixedly connected with a turntable, and anti-skid grains are arranged on the side wall of the turntable.

Compared with the prior art, the utility model provides a protection film that the liquid crystal display back has explosion-proof function has following beneficial effect:

the utility model provides a liquid crystal display back has explosion-proof function's protection film, tear the protection film at first, inject the protection film two sets of first strakes and the inside adhesion of second strake, then paste the protection film on the display screen, fixing first strake and second strake on the lateral wall of display screen through fixed subassembly, not only can further fix the protection film, still can be because the limit of protection film all arranges inside first strake and second strake in, so the protection film can not appear turn-up and turn-ups phenomenon because of external factors, thereby can prevent that the protection film from droing from the display screen.

Drawings

Fig. 1 is a schematic structural diagram of a preferred embodiment of a protection film having an explosion-proof function on the back surface of a liquid crystal display screen according to the present invention;

FIG. 2 is a schematic view of the securing mechanism shown in FIG. 1;

FIG. 3 is an exploded view of FIG. 1;

fig. 4 is a cross-sectional view of the protective film shown in fig. 1.

Reference numbers in the figures: 1. the protection film main part, 11, the PET protective layer, 12, the antifouling sudden strain of a muscle coating layer of RTV, 13, TPU rete, 14, high silica gel layer that passes through, 2, first strake, 3, second strake, 4, baffle, 5, fixed establishment, 51, lead screw, 52, sucking disc, 6, carousel, 7, draw-in groove, 8, screw hole.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and embodiments.

Please refer to fig. 1, fig. 2, fig. 3 and fig. 4, wherein fig. 1 is a schematic structural diagram of a preferred embodiment of a protective film having an explosion-proof function on a back surface of a liquid crystal display panel according to the present invention; FIG. 2 is a schematic view of the securing mechanism shown in FIG. 1; FIG. 3 is an exploded view of FIG. 1; fig. 4 is a cross-sectional view of the protective film shown in fig. 1. The protection film that the liquid crystal display back has explosion-proof function includes: protection film main part 1, baffle 4 and fixed establishment 5, swing joint has first strake 2 and second strake 3 on the 1 lateral wall of protection film main part, and the one end that protection film main part 1 was kept away from to first strake 2 and second strake 3 all is connected with baffle 4, and fixed establishment 5 installs on the lateral wall of baffle 4, and fixed establishment 5 includes lead screw 51 and sucking disc 52, and lead screw 51 threaded connection is on the 4 lateral walls of baffle, and sucking disc 52 rotates to be connected and serve at the screw in of lead screw 51.

In a specific implementation process, as shown in fig. 4, the protective film main body 1 includes a PET protective layer 11, an RTV anti-contamination flashover coating layer 12, a TPU film layer 13 and a high-permeability silica gel layer 14, and the PET protective layer 11, the RTV anti-contamination flashover coating layer 12, the TPU film layer 13 and the high-permeability silica gel layer 14 are sequentially attached from top to bottom; the PET protective layer 11 is 50 micrometers, the RTV anti-pollution flashover coating layer 12 is 20 micrometers, the TPU film layer 13 is 100 micrometers, and the high-permeability silica gel layer 14 is 40 micrometers; can effectually prevent that protection film main part surface from being scraped the scratch through the PET protective layer 11 of most surperficial, and the antifouling sudden strain of a muscle dope layer 12 of RTV is room temperature vulcanized silicone rubber, by trichloroethylene, tetrachloroethylene, branch of academic or vocational study seals organic composite solvent, components such as KX-240H constitute, can be under humid climatic conditions, on the effective separation moist water droplet gets into the display screen, reduce the display screen local heating, start to the explosion-proof effect, TPU rete 13 is laminated with high silica gel layer 14 mutually, further improves the explosion-proof effect.

Referring to fig. 3, a threaded hole 8 matched with a screw rod 51 is drilled on the side wall of the partition plate 4, and the screw rod 51 is in threaded connection with the side wall of the partition plate 4 through the threaded hole 8; the screw rod 51 can move when rotating through the threaded hole 8.

Referring to fig. 4, a clamping groove 7 is cut on the side wall of the first edge strip 2 and the second edge strip 3, which are in contact with the protective film body 1, and the side wall of the protective film body 1 is adhered inside the clamping groove 7; inside inserting the limit of protection film main part 1 into draw-in groove 7, can protect the limit of protection film main part 1, prevent to lead to protection film main part 1 to drop because turn-ups and turn-up phenomenon appear in external factors.

Referring to fig. 2, one end of the screw rod 51 far away from the suction cup 52 is fixedly connected with a turntable 6, and the side wall of the turntable 6 is provided with anti-skid grains; the rotation of the screw 51 is facilitated by the non-slip threaded turntable 6.

The utility model provides a liquid crystal display back has the theory of operation of protection film of explosion-proof function as follows: firstly tearing the protective film, inserting the edge of the protective film main body 1 into the clamping groove 7 on the side wall of the first edge strip 2 and the second edge strip 3, so that the edge of the protective film main body 1 is adhered inside the clamping groove 7, then adhering the protective film main body 1 on the display screen, then rotating the screw rod 51 through the rotary disc 6, the screw rod 51 rotates and can move on the side wall of the partition plate 4 through the threaded hole 8, thereby driving the sucker 52 connected with the screw rod to move until the sucker is abutted against the side wall of the display screen, fixing the first edge strip 2 and the second edge strip 3, not only further fixing the protective film main body 1, but also preventing the protective film main body 1 from curling and flanging due to external factors because the edges of the protective film main body 1 are all arranged inside the first edge strip 2 and the second edge strip 3, thereby preventing the protective film main body 1 from falling off from the display screen, and effectively preventing the protective film main body surface from being scratched by the PET protective layer, the RTV anti-pollution flashover coating layer 12 is room temperature vulcanized silicone rubber, consists of trichloroethylene, tetrachloroethylene, Kexi organic composite solvent, KX-240H and other components, can effectively prevent moist water drops from entering the display screen under humid climatic conditions, reduces local heating of the display screen, and starts the anti-explosion effect, and the TPU film layer 13 is attached to the high-permeability silica gel layer 14, so that the anti-explosion effect is further improved, and the protective film can not only start the anti-explosion effect but also cannot be easily separated from the display screen.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.

Claims

1. The utility model provides a protection film that liquid crystal display back has explosion-proof function which characterized in that includes:

the side wall of the protective film main body (1) is movably connected with a first edge strip (2) and a second edge strip (3);

the end, far away from the protective film main body (1), of each of the first edge strip (2) and the second edge strip (3) is connected with a partition plate (4);

fixing mechanism (5), fixing mechanism (5) are installed on the lateral wall of baffle (4), fixing mechanism (5) include lead screw (51) and sucking disc (52), lead screw (51) threaded connection is on baffle (4) lateral wall, sucking disc (52) rotate to be connected on the screw in of lead screw (51) is served.

2. The protective film with an explosion-proof function for the back surface of a liquid crystal display screen according to claim 1, wherein the protective film main body (1) comprises a PET protective layer (11), an RTV anti-pollution flashover coating layer (12), a TPU film layer (13) and a high-permeability silica gel layer (14), and the PET protective layer (11), the RTV anti-pollution flashover coating layer (12), the TPU film layer (13) and the high-permeability silica gel layer (14) are sequentially laminated from top to bottom.

3. The protective film with an explosion-proof function for the back surface of a liquid crystal display screen according to claim 2, wherein the PET protective layer (11) is 50 μm, the RTV anti-pollution flashover coating layer (12) is 20 μm, the TPU film layer (13) is 100 μm, and the high-transmittance silica gel layer (14) is 40 μm.

4. The protective film with an explosion-proof function for the back surface of a liquid crystal display screen according to claim 1, wherein a threaded hole (8) matched with the screw rod (51) is drilled on the side wall of the partition plate (4), and the screw rod (51) is in threaded connection with the side wall of the partition plate (4) through the threaded hole (8).

5. The protection film with the explosion-proof function on the back surface of the liquid crystal display screen according to claim 1, wherein a clamping groove (7) is cut on the side wall of the first edge strip (2) and the second edge strip (3) which are contacted with the protection film main body (1), and the side wall of the protection film main body (1) is adhered inside the clamping groove (7).

6. The protective film with the explosion-proof function on the back surface of the liquid crystal display screen according to any one of claims 1 to 5, wherein a rotating disc (6) is fixedly connected to one end of the screw rod (51) far away from the suction cup (52), and anti-skid lines are arranged on the side wall of the rotating disc (6).