CN210518498U

CN210518498U - Invisible earphone hole protective film

Info

Publication number: CN210518498U
Application number: CN201922071955.7U
Authority: CN
Inventors: 张小平
Original assignee: Shenzhen Lihengmei Electronic Technology Co ltd
Current assignee: Shenzhen Lihengmei Electronic Technology Co ltd
Priority date: 2019-11-25
Filing date: 2019-11-25
Publication date: 2020-05-12
Anticipated expiration: 2029-11-25

Abstract

The utility model provides an invisible earpiece hole protective film, which belongs to an electronic equipment protective film, and comprises a bottom plate supporting layer, a double-sided adhesive layer and a protective film layer which are arranged from bottom to top in sequence, wherein the double-sided adhesive layer is provided with a hollowed hole site corresponding to the earpiece hole of a mobile phone, and the protective film layer is arranged at the earpiece hole of the mobile phone and is not provided with a hollowed hole site, so that a gap is formed between the protective film layer and the earpiece hole of the mobile phone; the problem of the protection film of current dust screen have into ash, into water, hole jam is solved.

Description

Invisible earphone hole protective film

Technical Field

The utility model relates to an electronic equipment protection film especially relates to an stealthy earphone hole protection film.

Background

At present, the protective film is mainly used for protecting a screen of the mobile electronic device so as to avoid the situation that the screen of the mobile electronic device is broken by impact or scratched by a sharp object.

The existing mobile phone protective film is usually provided with a dustproof net at the position of an earphone hole corresponding to the top end of a mobile phone, so that dust is prevented from entering the mobile phone from the earphone hole of the mobile phone to influence the normal operation of the mobile phone.

However, the above technical solutions have the following problems: the dust screen of foretell protection film comprises tiny hole, can't stop completely to advance grey, intake to, the hole on the dust screen is tiny, in case the jam, also can't clear up, causes the sound transmission difficulty, only can change the protection film, therefore awaits improving.

Disclosure of Invention

Therefore, the utility model aims at providing an invisible tin hole protection film to solve the problem that the protection film of above-mentioned dust screen has into grey, water intaking, hole jam.

The above technical purpose of the present invention can be achieved by the following technical solutions:

the invisible earphone hole protective film comprises a bottom plate supporting layer, a double-sided adhesive layer and a protective film layer which are sequentially arranged from bottom to top, wherein hollow hole positions are formed in positions, corresponding to earphone hole positions of a mobile phone, of the double-sided adhesive layer, and the protective film layer is located at the earphone hole positions of the mobile phone and is not provided with the hollow hole positions, so that intervals are formed between the protective film layer and the earphone holes of the mobile phone.

By adopting the technical scheme, when a user attaches the invisible earpiece hole protective film to a mobile phone screen, one layer of the protective film layer and the double-sided adhesive layer can be firstly taken off from the bottom plate according to the support layer and then is attached to the screen, because the double-sided adhesive layer is provided with the hollowed hole sites, the double-sided adhesive layer can not influence the normal sound transmission of the earpiece hole sites, the protective film layer is not provided with the hollowed hole sites at the earpiece hole sites of the mobile phone, so that a space is formed between the protective film layer and the earpiece hole of the mobile phone, the sound emitted by the earpiece hole can be directly transmitted out from the space or the protective film layer, on the premise that the thickness of the double-sided adhesive layer is very small, the width of the space is relatively small, and dust and water can not enter the mobile phone, therefore, when the sound transmission is not hindered, the dust and water can not enter the mobile phone from the, the problems of dust inlet, water inlet and hole blockage of the protective film of the dust screen are solved.

Preferably, the double-sided adhesive layer comprises an immovable adhesive layer close to one side of the protective film and a movable adhesive layer close to the baseplate supporting layer.

Through adopting above-mentioned technical scheme, utilize can not move the glue film and can closely laminate the protection film to the cell-phone on, but can move the glue film and keep the effective viscidity of the glue film that can not move before using.

Preferably, the double-sided adhesive layer is an OCA double-sided adhesive layer or a peeping-proof double-sided adhesive layer.

Through adopting above-mentioned technical scheme, select for use OCA two-sided adhesive layer can increase substantially the permeability of protection film, and select for use peep-proof two-sided adhesive layer can reduce the light that the protection film was launched to side to avoid when the operation cell-phone, other people steal the important information in the cell-phone.

Preferably, the protective film layer is made of PMMA or PET.

By adopting the technical scheme, PMMA is organic glass, PET is poly terephthalic acid plastic, and the two materials can be used for manufacturing the protective film layer.

Preferably, the thickness of the protective film layer compounded with the double-sided adhesive layer is between 200 and 900 μm.

Preferably, the base plate supporting layer is made of a PET material.

Preferably, the thickness of the bottom plate supporting layer is between 100 and 900 μm.

Preferably, a printing layer is further arranged between the protective film layer and the double-sided adhesive layer.

By adopting the technical scheme, the printing layer can effectively avoid white edges.

The utility model provides a pair of stealthy tin hole protection film has following advantage:

1. dust and water stains can be effectively prevented from entering the earphone hole of the mobile phone;

2. the sound of the earpiece hole can be transmitted outwards without being influenced.

Drawings

Fig. 1 is a schematic view of the tiling of the structures of each layer in the present invention;

fig. 2 is a schematic diagram of the hierarchical structure of the present invention.

The reference numerals in the figures are explained below:

1. a protective film layer; 2. a base plate supporting layer; 3. a double-sided adhesive layer; 301. the glue layer can not be moved; 302. a removable adhesive layer; 303. hollowing out hole sites; 4. and printing the layer.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

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. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

A hidden earphone hole protective film is shown in figure 1 and comprises a bottom plate, a support layer 2, a double-sided adhesive layer 3 and a protective film layer 1, wherein the bottom plate is sequentially arranged from bottom to top, a hollow hole position 303 is formed in a position, corresponding to the position of an earphone hole of a mobile phone, of the double-sided adhesive layer 3, the protective film layer 1 is located at the earphone hole of the mobile phone and is not provided with the hollow hole position, and therefore a space is formed between the protective film layer 1 and the earphone hole of the mobile phone.

The double-sided adhesive layer 3 comprises an immovable adhesive layer 301 close to one side of the protective film and a movable adhesive layer 302 close to the soleplate supporting layer 2; the protective film can be tightly attached to the mobile phone by using the non-removable adhesive layer 301, and the removable adhesive layer 302 can maintain the effective adhesiveness of the non-removable adhesive layer 301 before use.

The double-sided adhesive layer 3 is an OCA double-sided adhesive layer 3 or a peep-proof double-sided adhesive layer 3; choose for use OCA two-sided adhesive layer 3 can increase substantially the permeability of protection film, and choose for use peep-proof two-sided adhesive layer 3 can reduce the light that the protection film was launched to side to avoid when the operation cell-phone, other people steal the important information in the cell-phone.

The protective film layer 1 is made of PMMA or PET material; PMMA is organic glass, PET is poly terephthalic acid plastic, and the two materials can be used for manufacturing the protective film layer 1.

The thickness of the protective film layer 1 and the double-sided adhesive layer 3 after being compounded is between 200 and 900 mu m.

The bottom plate is made of PET material according to the supporting layer 2.

The thickness of the bottom plate layer 2 is between 100 and 900 μm.

A printing layer 4 is also arranged between the protective film layer 1 and the double-sided adhesive layer 3; the printing layer 4 can effectively prevent white edges.

The specific use process and principle are as follows: the user is when laminating to the cell-phone screen the utility model provides an invisible earpiece hole protection film, can take off from the bottom plate according to holding in the palm layer 2 one deck in protection rete 1 and the double-sided adhesive layer 3 earlier, then laminate on the screen, because the fretwork hole site has been seted up to double-sided adhesive layer 3, make double-sided adhesive layer 3 can not influence the normal sound propagation of earpiece hole department, protection rete 1 is located the earpiece hole department of cell-phone and does not set up the fretwork hole site and make and have the interval between the earpiece hole of protection rete 1 and cell-phone, the sound that sends by the earpiece hole can be followed this interval or directly spreads from protection rete 1, under the very little prerequisite of thickness of double-sided adhesive layer 3 itself, this spaced width is also littleer, dust and water can not get into, therefore, when guaranteeing that sound propagation can not receive the hindrance, guarantee dust and water can not get into the cell-phone from the earpiece hole in, the, Water inlet and hole blockage.

In order to improve the practicability of the utility model, the manufacturing process is disclosed as follows:

s1, placing the PMMA or PET material on a printer, printing a corresponding frame hole position (printing layer 4) on the non-scratch-resistant surface of the material, and coiling to form a coil A;

s2, placing the roll A on a CNC machine table, and obtaining a chamfered semi-finished product B through programming and engraving;

s3, placing the glue material on a die-cutting machine, and performing die cutting and hollowing to form hollow hole positions to obtain a semi-finished product C;

s4, laminate semi-finished product B and C on arranging the rigging machine in, obtain the utility model discloses waterproof dustproof stealthy earphone protection film finished product.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.

Claims

1. The utility model provides an invisible earpiece hole protection film, includes bottom plate according to layer (2), two-sided adhesive layer (3) and protection rete (1) that set gradually from lower supreme, its characterized in that, fretwork hole site (303) have been seted up in the place that two-sided adhesive layer (3) and the earpiece hole position of cell-phone correspond, protection rete (1) are located the earpiece hole of cell-phone and do not set up the fretwork hole site to have the interval between the earphone hole of protection rete (1) and cell-phone.

2. The invisible tin hole protective film according to claim 1, wherein the double-sided adhesive layer (3) comprises a non-removable adhesive layer (301) adjacent to one side of the protective film and a removable adhesive layer (302) adjacent to the bottom plate supporting layer (2).

3. The protective film for the holes of invisible tin cans according to claim 1, wherein the double-sided adhesive layer (3) is an OCA double-sided adhesive layer (3) or a peep-proof double-sided adhesive layer (3).

4. The invisible tin hole protection film as claimed in claim 1, wherein the protection film layer (1) is made of PMMA or PET.

5. The protective film for the invisible tin hole of claim 1, wherein the thickness of the protective film layer (1) compounded with the double-sided adhesive layer (3) is between 200 μm and 900 μm.

6. The protection film for the hidden tin hole of claim 1, wherein the bottom supporting layer (2) is made of PET material.

7. The protective film for the pores of invisible tin barrels according to claim 1, wherein the thickness of the bottom supporting layer (2) is between 100 and 900 μm.

8. The invisible tin hole protective film according to claim 1, wherein a printed layer (4) is further arranged between the protective film layer (1) and the double-sided adhesive layer (3).