CN210652225U - Composite protective film for notebook computer - Google Patents
Composite protective film for notebook computer Download PDFInfo
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- CN210652225U CN210652225U CN201920817392.9U CN201920817392U CN210652225U CN 210652225 U CN210652225 U CN 210652225U CN 201920817392 U CN201920817392 U CN 201920817392U CN 210652225 U CN210652225 U CN 210652225U
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Abstract
The utility model provides a composite protective film for a notebook computer, which comprises a keyboard protective area and a panel protective area, wherein the keyboard protective area is a TPU keyboard film; the panel protection area is a cloth-based material protection layer, the cloth-based material protection layer comprises a suede layer and a smooth layer, one surface of the smooth layer is connected with the suede layer, the other surface of the smooth layer is provided with a hot melt adhesive layer, and the hot melt adhesive layer is connected with the periphery of the TPU keyboard film in a hot pressing manner, so that the keyboard protection area and the panel protection area are connected into an integral structure; the other side of the hot melt adhesive layer is provided with a PU adhesive layer, and the PU adhesive layer is used for adhering a composite protective film to a panel of the notebook computer; the panel protection area is provided with a hollow part, and the hollow part is used for exposing the touch panel area. The utility model discloses an improvement to current protection film structure constitution to and the improvement of connected mode, the overall structure of constitution is simple, and convenient to use has dustproof, waterproof, advantages such as fixity is good.
Description
Technical Field
The utility model relates to a computer keyboard protection film and technology specifically relates to a compound protection film of notebook computer.
Background
The notebook computer becomes an indispensable daily product in life and work of people, the use frequency is the same as that of daily products, in order to avoid the problems that dust, water and solid sundry particles fall into a keyboard of the notebook computer to damage the computer in the process of using the computer, the keyboard gaps are not easy to clean and the like, at present, TPU keyboard protective films are arranged on the market, but the TPU keyboard protective films can generate scratches, dirt and fading in the use process and have the problems of poor heat dissipation, poor adhesion and the like, the TPU keyboard films have the defects that the TPU keyboard films fall off under the condition that the inclination angle of the notebook computer is too large, and the like, and the problem of inconvenience is caused in the daily use process.
SUMMERY OF THE UTILITY MODEL
To the defect among the prior art, the utility model aims at providing a notebook computer composite protection film realizes integral type protection architecture through TPU keyboard protection film and cloth base material protective layer hot melt.
According to the utility model, a composite protective film for a notebook computer is provided, which comprises a keyboard protective area and a panel protective area, wherein,
the keyboard protection area is a TPU keyboard film;
the panel protection area is a cloth-based material protection layer, the cloth-based material protection layer comprises a suede layer and a smooth layer, one surface of the smooth layer is connected with the suede layer, the other surface of the smooth layer is provided with a hot melt adhesive layer, and the hot melt adhesive layer is connected with the periphery of the TPU keyboard film in a hot pressing mode, so that the keyboard protection area and the panel protection area are connected into an integral structure;
the other side of the hot melt adhesive layer is provided with a PU adhesive layer, and the PU adhesive layer is used for adhering the composite protective film to a panel of a notebook computer;
the panel protection area is provided with a hollow part, and the hollow part is used for exposing the touch panel area.
The cloth-based material protective layer is made of cloth-based materials and superfine fiber cloth, and is similar to the warm feeling of skin contact.
Preferably, the hot melt adhesive layer is located at the connection position of the smooth layer and the periphery of the TPU keyboard film.
Preferably, the periphery of the TPU keyboard film is connected to the upper surface of the frosted layer or the lower surface of the hot melt adhesive layer of the smooth layer.
Preferably, the smooth layer with the PU glue film links into an integrated entity through the laminating.
Preferably, the thickness of the hot melt adhesive layer is 0.01mm-0.2mm, the selected hot melt adhesive is of an adhesive film structure, and the more preferable thickness is 0.05 m.
Preferably, the PU adhesive layer is provided with at least one hole, and the adhering strength of the PU adhesive layer and the adhering surface of the notebook computer is adjusted through the number of the holes.
Preferably, when a plurality of holes are formed, the holes are uniformly distributed in the PU adhesive layer.
Compared with the prior art, the utility model discloses following beneficial effect has:
the TPU keyboard film and the cloth base material protective layer in the structure form a composite protective film, the cloth base material and the TPU keyboard film are innovatively combined to form a new combined structure form through the improvement of the protective film in the prior art, the cloth base material protective layer is attached above the panel of the notebook computer, so that the TPU keyboard film covers the keyboard of the notebook computer, and the TPU keyboard film is not easy to fall off in the using process; through the fixing mode of adhering the panel protection area to the notebook computer panel and the sealing fusion of the TPU keyboard film and the cloth-based material protection layer, dust is prevented from entering gaps of the keyboard from the source, and the dustproof and waterproof effects are better; the fabric base material protective layer has good heat dissipation performance, is not easy to deteriorate after being used for a long time, and is not easy to yellow compared with the prior art; when in use, the wrist of the user is arranged above the sanded layer, so that the wrist has certain comfort.
More and more notebook computers use cloth-based materials as the material of palm rest of the notebook computer, which can give consumers a warm and comfortable feeling of use. The utility model discloses a "compound protection film of notebook computer", can restore the hand that the palm held in the palm, the TPU protection film can prevent the invasion of dust, impurity, solvents such as water, the circuit board of protection computer. In addition, in some commercial environments, such as hospital environments, the effect of 'disposable' use can be realized by adjusting the adhesiveness, and cross use and bacterial aggregation are avoided.
The utility model discloses an improvement to current protection film structure is constituteed, and final overall structure is simple, and convenient to use has dustproof, waterproof, advantages such as fixity is good.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
fig. 1 is a schematic structural diagram of a preferred embodiment of the present invention;
FIG. 2 is a cross-sectional view of the cloth-based material protective layer A-A of FIG. 1;
fig. 3 is a flow chart of a method for manufacturing a composite protective film according to a preferred embodiment of the present invention;
the scores in the figure are indicated as: the keyboard comprises a TPU keyboard film 1, a cloth-based material protective layer 2, a hollowed-out part 3, a sanded layer 4, a smooth layer 5, a hot melt adhesive layer 6 and a PU adhesive layer 7.
Detailed Description
The present invention will be described in detail with reference to the following embodiments. The following examples will assist those skilled in the art in further understanding the present invention, but are not intended to limit the invention in any way. It should be noted that various changes and modifications can be made by one skilled in the art without departing from the spirit of the invention. These all belong to the protection scope of the present invention.
The utility model discloses following embodiment provides a compound protection film for notebook computer, covers compound protection film in notebook computer's keyboard top, can be used to dustproof, waterproof, to the effect of playing the protection of notebook computer.
As shown in fig. 1, in an embodiment, the composite protective film for a notebook computer includes a keyboard protective area and a panel protective area, wherein the keyboard protective area is a TPU keyboard film 1, the TPU keyboard film 1 is a polyurethane film, and the panel protective area is a fabric base material protective layer 2. The panel protection area is provided with a hollow part 3, and the hollow part 3 is used for exposing the touch panel area in the panel protection area; the operation in the touch pad area is convenient, and the keyboard protection area and the panel protection area are connected into an integral structure, so that the integral structure of the composite protective film is simple.
As shown in fig. 2, the cloth-based material protection layer 2 comprises a sanded layer 4 and a smooth layer 5, one surface of the smooth layer 5 is connected with the sanded layer 4, and the other surface is provided with a hot melt adhesive layer 6; a layer of hot melt adhesive at normal temperature is coated on the smooth layer 5 of the cloth base material protective layer 2 through a laminating process, the normal temperature is 0-25 ℃, a hot melt adhesive layer 6 is formed, the hot melt adhesive layer 6 is positioned at the joint of the periphery of the TPU keyboard film 1 and the cloth base material protective layer 2, and during specific implementation, the hot melt adhesive layer 6 is flattened and is not provided with air bubbles above the smooth layer 5. The periphery of the TPU keyboard film 1 is connected with the upper surface of the matte layer 4 or the lower surface of the hot melt adhesive layer 6 of the smooth layer 5. Here, the protective film covers the notebook computer for the upper and lower surfaces in normal use. In one embodiment, the cloth-based material may be selected from ultra-fine fiber cloth, or other cloth-based materials.
In a preferred embodiment, the thickness of the hot melt adhesive layer 6 is 0.01mm-0.2mm, the optimal thickness is 0.05m, if the hot melt adhesive layer is too thin, the welding surface is too thin, so that the hot melt adhesive layer is easy to break and cut; if the hot melt adhesive layer is too thick, the whole thickness is affected, and the notebook computer cannot be closed smoothly. As another preferred embodiment, the hot melt adhesive can also be made of PU material, and can be hot-melted with the PU adhesive layer.
The smooth layer 5 is provided with a PU adhesive layer 7, and the PU adhesive layer 7 is positioned above the surface of the hot melt adhesive layer 6 and is used for adhering the notebook computer in the panel protection area; the smooth layer 5 and the PU adhesive layer 7 of the cloth-based material protective layer 2 are bonded into a whole through a laminating process of a laminating machine. Smooth layer 5 through at cloth base material protective layer 2 sets up PU glue film 7, make composite protection film cover in notebook computer panel top, with the notebook computer panel between the laminating degree better, compared with the prior art, the fixed mode of this protection film and computer, be difficult to take place the displacement at the in-process of using, and through panel protection zone and notebook computer panel adhesion nature fixed mode and TPU keyboard membrane 1 and cloth base material protective layer 2's leakproofness fuse, in the gap of dust entering keyboard has been stopped better in the source, make dustproof and waterproof effect better.
The periphery of the TPU keyboard membrane 1 is fused with the hot melt adhesive layer 6 into a whole through a hot pressing process, so that the keyboard protection area and the panel protection area (namely the TPU keyboard membrane 1 and the cloth-based material protection layer 2) are connected into a whole structure. The TPU keyboard membrane 1 and the cloth base material protective layer 2 are hot-pressed into an integral structure through the hot melt adhesive layer 6, so that the joint of the TPU keyboard membrane 1 and the cloth base material protective layer 2 is sealed and is not easy to fall off.
In the structure, the TPU keyboard film 1 and the cloth-based material protective layer 2 form a composite protective film, and a new combined structure form is formed by improving the composition of the protective film material in the prior art; after the cloth-based material protection layer 2 is used for a long time, the material is not easy to deteriorate, and the appearance does not have the phenomena of yellowing, hardening and the like; the heat dissipation performance of the cloth-based material protection layer 2 is superior to that of the TPU keyboard film 1, and the wrist of a user is placed above the sanded layer 4 in the using process, so that the cloth-based material protection layer has certain comfort and brings good experience for the user.
In a preferred embodiment, the PU adhesive layer 7 has holes for reducing the contact area between the PU adhesive layer 7 and the attachment surface of the notebook computer. Set up the quantity in hole at PU glue film 7, can set up according to the adhesion of PU glue film 7, when pasting comparatively stronger, can set up more quantity's hole, further reduce the area of contact of PU glue film 7 and notebook computer binding face. When the composite layer protective film is cleaned or replaced, the composite layer protective film is convenient to disassemble. Normally, the hole is provided at the end farther from the TPU keyboard membrane 1.
The utility model discloses a to the improvement of current protection film structure and connected mode, the overall structure of constitution is simple, and convenient to use has dustproof, waterproof, fixity advantage such as good.
Based on the structural characteristics of the composite protective film for the notebook computer, the structural characteristics of the composite protective film for the notebook computer are further explained by providing an embodiment of a preparation method of the composite protective film for the notebook computer, as shown in fig. 3, which is a flowchart of the preparation method of the composite protective film for the notebook computer. Specifically, the method comprises the following steps:
step one, preparing materials:
preparing materials required for preparing the composite protective film, namely a cloth-based material protective layer 2, a TPU keyboard film 1, a normal-temperature hot melt adhesive, a PU adhesive, release paper and the like;
step two, IPQC:
1. cloth-based material: measuring color fastness, and measuring tension test of the cloth base material cloth;
2. measuring the tension and the flatness of the TPU film;
3, testing the size of the formed TPU film, wherein the size is consistent with that of a drawing;
3. measuring the viscosity of the hot melt adhesive;
4. measuring the adhesion type of the PU adhesive;
5. measuring the gram weight and the hydrophobic property of the silicone oil surface of the release paper;
thirdly, cutting:
cutting a cloth base material protective layer 2 and a PU adhesive layer 7 according to the size of the outermost end of a product and the position of the TPU keyboard membrane 1 to be reserved, and forming positions for arranging the TPU keyboard membrane 1 on the cloth base material protective layer 2 and the PU adhesive layer 7 respectively, wherein the size of the position, reserved for the TPU keyboard membrane 1, of the PU adhesive layer 7 is larger than the size of the position, reserved for the TPU keyboard membrane 1, of the cloth base material protective layer 2;
cutting the cloth base material protection layer 2 to form a hollow part 3 according to the size of the notebook computer touch panel area, wherein the hollow part 3 is used for exposing the touch panel area in the panel protection area;
and cutting the release paper to make the peripheral size of the release paper larger than that of the PU adhesive layer 7.
In the specific implementation: the size of the TPU keyboard film 1 reserved in the PU adhesive layer 7 is 2mm larger than the size of the TPU keyboard film 1 reserved in the cloth-based material protective layer 2; the size of the periphery of the release paper is 5mm larger than that of the periphery of the PU adhesive layer 7.
Step four, IPQC:
mainly comprises the steps of slitting test and quality control of the sizes of the cloth-based material protective layer 2 and the TPU keyboard film.
Step five, a laminating process:
the cloth-based material protection layer 2 is formed by compounding the lower surface of the sanded layer 4 and one surface of the smooth layer 5, and a hot melt adhesive layer 6 is coated on the other surface of the smooth layer 5 through a bonding process; the hot-melt adhesive layer 6 is made flat and free from bubbles.
And then arranging a PU adhesive layer 7 on the cloth-based material protective layer 2, arranging the PU adhesive layer 7 on the other surface of the hot melt adhesive layer 6, and bonding the cloth-based material protective layer 2 and the PU adhesive layer 7 into a whole through a laminating process of a laminating machine.
Sixthly, hot pressing TPU:
after the fifth step, connecting the periphery of the TPU keyboard film 1 and the hot melt adhesive layer 6 at the bottom of the cloth-based material protective layer 2 through a hot pressing process, so that the cloth-based material protective layer 2 and the TPU keyboard film 1 are connected into an integral structure; the TPU keyboard film 1 and the hot melt adhesive at the bottom of the cloth base material are subjected to hot pressing, the temperature needs to be controlled to be about 100-110 ℃, the time is controlled to be 8-10 seconds, and finally hot pressing combination ensures that the TPU and the hot melt adhesive are fused together at high temperature and do not fall off.
Step seven, IPQC:
1. the size test comprises the size test of the cloth base material cloth and the TPU film;
2. testing the binding force of the microfiber cloth and the TPU;
3. testing the viscosity of the PU adhesive under the microfiber cloth;
4. testing actual product distribution;
5. testing the flatness of the TPU film;
eighth, pasting bottom paper:
and (3) sticking the PU adhesive layer 7 of the composite protective film product prepared in the step on release paper to ensure that the product is ensured to be in the middle of the release paper. The release paper is used for preventing the adhesion of the PU adhesive layer 7 and protecting the PU adhesive layer 7 from being polluted.
Ninth, die cutting:
and die cutting is carried out according to the final appearance size of the product, the product is finally formed, finally the product is packaged, and the finished product inspection and verification (FQC) is finished during the manufacturing process and is put in storage.
The foregoing description of the specific embodiments of the invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes and modifications may be made by those skilled in the art within the scope of the appended claims without departing from the spirit of the invention.
Claims (7)
1. A composite protective film for notebook computer is characterized by comprising a keyboard protective area and a panel protective area,
the keyboard protection area is a TPU keyboard film, and the TPU keyboard film is a polyurethane film;
the panel protection area is a cloth-based material protection layer, the cloth-based material protection layer comprises a suede layer and a smooth layer, one surface of the smooth layer is connected with the suede layer, the other surface of the smooth layer is provided with a hot melt adhesive layer, and the hot melt adhesive layer is connected with the periphery of the TPU keyboard film in a hot pressing mode, so that the keyboard protection area and the panel protection area are connected into an integral structure;
the other side of the hot melt adhesive layer is provided with a PU adhesive layer, and the PU adhesive layer is used for adhering the composite protective film to a panel of a notebook computer;
the panel protection area is provided with a hollow part, and the hollow part is used for exposing the touch panel area.
2. The composite protective film for the notebook computer as claimed in claim 1, wherein the hot melt adhesive layer is located at the connection position of the smooth layer and the periphery of the TPU keyboard film.
3. The composite protective film for the notebook computer as claimed in claim 1, wherein the periphery of the TPU keyboard film is connected to the upper surface of the frosted layer or the lower surface of the hot melt adhesive layer of the smooth layer.
4. The composite protective film for the notebook computer as claimed in claim 1, wherein the smooth layer and the PU adhesive layer are integrally connected by bonding.
5. The composite protective film for the notebook computer as claimed in claim 1, wherein the thickness of the hot melt adhesive layer is 0.01mm to 0.2 mm.
6. The composite protective film for the notebook computer according to claim 1, wherein the PU adhesive layer is provided with at least one hole, and the adhering strength of the adhering surface of the PU adhesive layer and the notebook computer is adjusted by the number of the holes.
7. The composite protective film according to claim 6, wherein the plurality of holes are uniformly distributed in the PU adhesive layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920817392.9U CN210652225U (en) | 2019-05-31 | 2019-05-31 | Composite protective film for notebook computer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920817392.9U CN210652225U (en) | 2019-05-31 | 2019-05-31 | Composite protective film for notebook computer |
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| CN210652225U true CN210652225U (en) | 2020-06-02 |
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| CN201920817392.9U Active CN210652225U (en) | 2019-05-31 | 2019-05-31 | Composite protective film for notebook computer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110216963A (en) * | 2019-05-31 | 2019-09-10 | 上海彩尚实业有限公司 | A kind of laptop composite protection film and preparation method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110216963A (en) * | 2019-05-31 | 2019-09-10 | 上海彩尚实业有限公司 | A kind of laptop composite protection film and preparation method |
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