CN210826043U

CN210826043U - Dustproof protective film

Info

Publication number: CN210826043U
Application number: CN202020555239.6U
Authority: CN
Inventors: 蒋春林
Original assignee: Shenzhen Ranvoo Technology Co Ltd
Current assignee: Shenzhen Ranvoo Technology Co Ltd
Priority date: 2020-04-15
Filing date: 2020-04-15
Publication date: 2020-06-23
Anticipated expiration: 2030-04-15

Abstract

The application provides a dustproof protection film, including glass layer and viscose layer, dustproof protection film further includes first dustproof construction and second dustproof construction, first dustproof construction set up in on the glass layer, first dustproof construction includes flat plate portion and surrounding edge portion, surrounding edge portion set up in flat plate portion edge, surrounding edge portion with the surface of flat plate portion encloses into the holding chamber, the dustproof construction of second set up in the holding chamber. Above-mentioned dustproof protection film is through setting up first dustproof construction and second dustproof construction, has effectively avoided the dust to block up the condition of mobile terminal's such as cell-phone earphone, promotes the user and uses the impression.

Description

Dustproof protective film

Technical Field

The utility model relates to an electronic product field especially relates to a dustproof protection film.

Background

At present, people have increasingly greater demands on portable mobile terminal electronic products such as mobile phones and flat panels, and in order to protect a display screen, a protective film is often covered on the display screen. In order to avoid the protective film from shielding the earphones of mobile terminals such as mobile phones, the position of the protective film corresponding to the earphones is provided with an earphone hole, but a dust layer can enter the mobile phone earphones through the earphone hole, and the mobile phone earphones can be blocked after long-term use.

SUMMERY OF THE UTILITY MODEL

In view of the above, it is necessary to provide a dust-proof protective film.

The embodiment of the application provides a dustproof protective film, which comprises a glass layer and an adhesive layer, wherein the dustproof protective film further comprises a first dustproof structure and a second dustproof structure, the first dustproof structure is arranged on the glass layer and comprises a flat plate part and a peripheral part, and the peripheral part is arranged at the edge of the flat plate part; the surrounding edge part and the surface of the flat plate part form an accommodating cavity in a surrounding mode, and the second dustproof structure is arranged in the accommodating cavity.

Further, the first dustproof structure is a metal dustproof net, and the second dustproof structure is mesh cloth.

Furthermore, the aperture of the filtering hole of the first dustproof structure is larger than that of the filtering hole of the second dustproof structure.

Furthermore, the aperture of the filtering hole of the second dustproof structure is smaller than or equal to 0.07mm, and the aperture of the filtering hole of the first dustproof structure is 0.15 mm-0.30 mm.

In an optional embodiment, the flat plate portion includes a plurality of through holes disposed at positions of the glass layer corresponding to the mobile terminal earpiece, and the second dust-proof structure is a mesh cloth.

Furthermore, the diameter of the through holes is 0.15 mm-0.30 mm, and the aperture of the filtering hole of the second dustproof structure is smaller than or equal to 0.07 mm.

In an optional embodiment, the dust-proof protective film further includes an adhesive structure, and the adhesive structure is disposed between the first dust-proof structure and the second dust-proof structure.

Furthermore, the viscose structure is annular and used for bonding the edges of the first dustproof structure and the second dustproof structure.

Above-mentioned dustproof protection film is through setting up first dustproof construction and second dustproof construction, and the filtration pore diameter of crossing of first dustproof construction is greater than the filtration pore diameter of crossing of second dustproof construction, through, set up first dustproof construction into flat plate portion and surrounding edge portion, it is fixed to have optimized connection of first dustproof construction and second dustproof construction, under the condition that first dustproof construction can not effectively filter the dust, it can effectively filter the dust to cross the less second dustproof construction in pore diameter, thereby the condition of earphone of electronic products such as cell-phone is blockked up to the dust has effectively been avoided, promote user's use impression.

Drawings

Fig. 1 is a schematic structural diagram of a dust-proof protective film in an embodiment.

Fig. 2 is an exploded view of the dustproof protective film shown in fig. 1.

Fig. 3 is an enlarged view of a metal dust screen of the dust-proof protective film shown in fig. 1.

Fig. 4 is an enlarged view of the mesh cloth of the dustproof protective film shown in fig. 1.

Fig. 5 is an exploded view of the dustproof protection film in another embodiment.

Fig. 6 is a partially enlarged view of the dust-proof protective film shown in fig. 5.

Description of the main element symbols:

a dust-proof protective film 100;

a glass layer 10;

a first through hole 11;

a through hole 12;

an adhesive layer 20;

a second through hole 21;

the first dust-proof structure 40;

a second dust-proof structure 30;

a flat plate portion 41;

a peripheral edge portion 42;

a through hole 43;

an adhesive structure 50;

a release film 60;

a projection 61.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments obtained by a person of ordinary skill in the art without any inventive work based on the embodiments in the present application are within the scope of protection of the present application.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. When an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the description of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used herein, the term "or/and" includes any and all combinations of one or more of the associated listed items.

The application provides a dustproof protection film, including glass layer and viscose layer, dustproof protection film further includes first dustproof construction and second dustproof construction, first dustproof construction set up in on the glass layer, the second dustproof construction set up in first dustproof construction internal surface or surface.

Above-mentioned dustproof protection film is through setting up first dustproof construction and second dustproof construction, has effectively avoided the dust to block up the condition of cell-phone isoelectron product's earphone, promotes the user and uses the impression.

Some embodiments of the present application are described in detail. In the following embodiments, features of the embodiments may be combined with each other without conflict.

Referring to fig. 1-4, in an embodiment, the dust-proof protective film 100 includes a glass layer 10 and an adhesive layer 20, wherein the adhesive layer 20 is adhered to one side surface of the glass layer 10. The dustproof protective film 100 further comprises a first dustproof structure 40 and a second dustproof structure 30, the first dustproof structure 40 is arranged on the glass layer 10, the first dustproof structure 40 comprises a flat plate portion 41 and a surrounding portion 42, and the surrounding portion 42 is arranged at the edge of the flat plate portion 41; the surrounding portion 42 and the surface of the flat plate portion 41 form an accommodating cavity (not shown), and the second dust-proof structure 30 is disposed in the accommodating cavity. In another embodiment, the peripheral portion 42 is flush with the surface of the flat plate portion 41, and the second dust-proof structure 30 is disposed on the surface of the peripheral portion 42. In the embodiment of the present application, the glass layer 10 is provided with a first through hole 11, and the adhesive layer 20 is provided with a second through hole 21 corresponding to the first through hole 11. The positions of the first through hole 11 and the second through hole 21 correspond to the positions of the receivers of the mobile terminal. The first dustproof structure 40 is arranged in the first through hole 11, and the second dustproof structure 30 is fixed between the glass layer 10 and the adhesive layer 20 and is opposite to the first through hole 11 and the second through hole 21 for isolating dust. In an embodiment of the present application, the glass layer 10 may be a flat glass film, fitting a flat mobile terminal screen. In other embodiments, the glass layer 10 may be a curved film with curved edges, fitting a curved mobile terminal screen.

With reference to fig. 3 and fig. 4, in an alternative embodiment, the dust-proof protective film 100 further includes an adhesive structure 50, and the adhesive structure 50 is disposed between the first dust-proof structure 40 and the second dust-proof structure 30. Specifically, the adhesive structure 50 is a double-sided adhesive tape, and is substantially annular, and is used for bonding the edges of the first dust-proof structure 40 and the second dust-proof structure 30. Further, the aperture of the filter hole of the first dust-proof structure 40 is larger than that of the filter hole of the second dust-proof structure 30. In the embodiment of the present application, second dustproof construction 30 is mesh cloth, and the filtration pore diameter of mesh cloth is less than or equal to 0.07mm, first dustproof construction 40 is the metal dust screen, and the filtration pore diameter of metal dust screen is 0.15mm ~0.30 mm. The mesh cloth used as the second dustproof structure 30 can basically achieve the purpose of allowing only sound to pass through, effectively prevent dust from entering the receiver of the mobile terminal, and further, the mesh cloth can play a waterproof role.

Further, the first dust-proof structure 40 includes a flat plate portion 41 and a peripheral portion 42, and a plurality of through holes 43 are formed in the flat plate portion 41. The diameter of the through hole 43 is 0.15 mm-0.30 mm. The surrounding portion 42 is connected to the edge of the flat plate portion 41, and the second dust-proof structure 30 is disposed below the first dust-proof structure 40 and covers the plurality of through holes 43. In an optional embodiment, the surrounding portion 42 and the lower surface of the flat plate portion 41 form an accommodating cavity, and the edge of the second dust-proof structure 30 is attached to the lower surface of the flat plate portion 41 through the adhesive structure 50 and is accommodated in the accommodating cavity. The shape and size of the second dust-proof structure 30 are adapted to the shape and size of the flat plate portion 41. In another alternative embodiment, the peripheral portion 42 is flush with the lower surface of the flat plate portion 41, the second dust-proof structure 30 is connected and fixed to the lower surface of the peripheral portion 42 through the adhesive structure 50, and the shape and size of the second dust-proof structure 30 are adapted to the shape and size of the first dust-proof structure 40.

In the embodiment of the present application, the shape of the first through hole 11 is substantially elliptical, which is the same as the shape of the second through hole 21. The area of the second through hole 21 is smaller than that of the first through hole 11, so that the part of the adhesive layer 20 extends into the first through hole 11, and the second dustproof structure 30 is adhered to the area of the adhesive layer 20 extending into the first through hole 11. Specifically, a side edge of the second dust-proof structure 30 facing away from the first dust-proof structure 40 is bonded to the adhesive layer 20. One side edge of the second dust-proof structure 30 facing the first dust-proof structure 40 is connected to the first dust-proof structure 40 through the adhesive structure 50.

Further, the dustproof protection film 100 further comprises a release film 60, wherein the release film 60 is arranged on one side surface of the adhesive layer 20 departing from the glass layer 10 and used for protecting the viscosity of the adhesive layer 20. When the dustproof protective film 100 needs to be attached to the surface of the display screen of the mobile terminal, the release film 60 is peeled from the adhesive layer 20. The edge of the release film 60 is further provided with a protrusion 61, and the release film 60 can be peeled from the adhesive layer 20 by clamping and moving the protrusion 61.

Referring to fig. 5 and 6, in one embodiment of the present application, the first dust-proof structure 40 includes a plurality of through holes 12 disposed at positions of the glass layer 10 corresponding to the receivers of the mobile terminal, and a diameter of each through hole 12 is 0.15mm to 0.30 mm. The positions of the plurality of through holes 12 correspond to the positions of the second through holes 21. The through holes 12 directly penetrate through the upper surface and the lower surface of the glass layer 10, and the positions of the through holes 12 also correspond to the positions of the mobile terminal earphones. The second dustproof structure 30 is mesh cloth, and the aperture of a filtering hole of the second dustproof structure is smaller than or equal to 0.07 mm. The adhesive structure 50 is directly disposed between the second dust-proof structure 30 and the through holes 12, and is used for adhering the second dust-proof structure 30 to the surfaces of the through holes 12 facing the second through hole 21. In other words, the second dustproof structure 30 is adhered to the lower surface of the glass layer 10 corresponding to the through holes 12, so that the purpose of blocking dust is achieved, the mobile terminal is protected, and the use experience of a user is improved.

The above embodiments are only used to illustrate the technical solutions of the present invention and not to limit the same, and although the present invention has been described in detail with reference to the above preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified or replaced equivalently without departing from the spirit and scope of the technical solutions of the present invention.

Claims

1. A dust-proof protective film comprising:

a glass layer; and

an adhesive layer;

the dustproof protective film is characterized by further comprising a first dustproof structure and a second dustproof structure, wherein the first dustproof structure is arranged on the glass layer and comprises a flat plate part and a surrounding edge part, and the surrounding edge part is arranged at the edge of the flat plate part; the surrounding edge part and the surface of the flat plate part form an accommodating cavity in a surrounding mode, and the second dustproof structure is arranged in the accommodating cavity.

2. The dustproof protective film according to claim 1, wherein the first dustproof structure is a metal dustproof net, and the second dustproof structure is mesh cloth.

3. The dust-proof protective film according to claim 2, wherein the aperture of the filter hole of the first dust-proof structure is larger than the aperture of the filter hole of the second dust-proof structure.

4. The dustproof protective film according to claim 3, wherein the aperture of the filter hole of the second dustproof structure is 0.07mm or less, and the aperture of the filter hole of the first dustproof structure is 0.15mm to 0.30 mm.

5. The dustproof protective film of claim 1, wherein the flat plate portion comprises a plurality of through holes arranged at positions of the glass layer corresponding to mobile terminal receivers, and the second dustproof structure is mesh cloth.

6. The dustproof protective film according to claim 5, wherein the diameter of the plurality of through holes is 0.15mm to 0.30mm, and the aperture of the filter hole of the second dustproof structure is 0.07mm or less.

7. The dust-proof protective film according to any one of claims 1 to 6, further comprising an adhesive structure disposed between the first dust-proof structure and the second dust-proof structure.

8. The dust-proof protective film of claim 7, wherein the adhesive structure is in the shape of a ring for adhering the edges of the first dust-proof structure and the second dust-proof structure.