CN216490628U - Dustproof protective film - Google Patents

Abstract

The embodiment of the application provides a dustproof protection film for protecting electronic equipment, including protection film body and dustproof component, the protection film body is equipped with the receiver hole, dustproof component includes first dust screen, second dust screen and adhesive linkage, dustproof component locates in the receiver hole, first dust screen is equipped with a plurality of first meshs, the second dust screen is equipped with a plurality of second meshs, the adhesive linkage bonds between first dust screen and second dust screen, the adhesive linkage is equipped with a plurality of intercommunication meshs, intercommunication mesh communicates first mesh and second mesh. The protective film provided by the embodiment of the application realizes multiple dust prevention through the first dust screen and the second dust screen, reduces or avoids foreign objects from entering acoustic hole sites of electronic equipment through the earphone hole, and is better in dust prevention effect; simultaneously, realize the bonding of first dust screen and second dust screen through the adhesive linkage, simple structure, and set up the intercommunication mesh on the adhesive linkage, guarantee the normal propagation of sound, can not influence electronic equipment's normal use.

Description

Dustproof protective film

Technical Field

The application relates to the technical field of electronic equipment accessories, in particular to a dustproof protective film.

Background

The protection film is used for protecting electronic equipment's screen surface usually, the acoustics hole site is usually located to the screen surface, in order to be used for the sound production, generally, the earphone hole that corresponds with electronic equipment's acoustics hole site need be seted up to the protection film, in order not to influence electronic equipment's normal volume when protecting the electronic equipment display screen, a small number of protection films set up the dust screen in the earphone hole usually and reach the effect that stops the dust, but the simple structure of current dust screen, dustproof effect is poor, make dust etc. get into electronic equipment's acoustics downthehole and lead to its jam easily.

SUMMERY OF THE UTILITY MODEL

The present application is directed to a dustproof protective film to solve the above problems. The present application achieves the above object by the following technical solutions.

The embodiment of the application provides a dustproof protection film, dustproof protection film includes:

the protective film comprises a protective film body, wherein the protective film body is provided with a receiver hole, and the receiver hole penetrates through the protective film body; and the dustproof component is arranged in the earphone hole and comprises a first dustproof net, a second dustproof net and an adhesive layer, the first dustproof net is provided with a plurality of first meshes, the second dustproof net is provided with a plurality of second meshes, the adhesive layer is arranged between the first dustproof net and the second dustproof net and is respectively adhered to the first dustproof net and the second dustproof net, the adhesive layer is provided with a plurality of communicated meshes, and the communicated meshes are communicated with the first meshes and the second meshes.

In one embodiment, the protective film body comprises a protective layer and an adhesive layer which are arranged in a stacked mode, and the surface of the first dustproof net is flush with the surface of the protective layer; the surface of the second dust screen is flush with the surface of the adhesive layer, or the surface of the second dust screen is lower than the surface of the adhesive layer.

In one embodiment, the first mesh openings have a smaller diameter than the second mesh openings, and the number of first mesh openings per unit area of the first dust screen is greater than the number of second mesh openings per unit area of the second dust screen.

In one embodiment, the number of communicating mesh openings is the same as the number of second mesh openings, each communicating mesh opening communicating with one second mesh opening, each communicating mesh opening communicating with at least one first mesh opening.

In one embodiment, the second dust-proof net includes a net portion and a connecting portion connected to a periphery of the net portion, and the second dust-proof net is fixedly disposed in the earphone hole through the connecting portion.

In one embodiment, the connecting portion is fixed in the earphone hole by clamping or bonding.

In one embodiment, the protective film further comprises a release film, and the release film is adhered to the adhesive layer.

In an implementation mode, the earphone hole comprises a first through hole and a second through hole which are communicated, the first through hole is formed in the protective layer, the second through hole is formed in the adhesive layer, the aperture of the first through hole is larger than that of the second through hole so as to form a step surface on the adhesive layer, and the surface, away from the first dust screen, of the second dust screen is bonded to the step surface.

In one embodiment, the adhesive layer is provided with a silk screen frame at the periphery.

In one embodiment, the thickness of the dust-proof member is less than or equal to the thickness of the protective film body.

Compared with the prior art, the dustproof protective film provided by the embodiment of the application realizes multiple dustproof through the first dustproof net and the second dustproof net, reduces or avoids the phenomenon that external objects enter the acoustic hole of the electronic equipment from the earphone hole, and is better in dustproof effect; simultaneously, realize the bonding of first dust screen and second dust screen through the adhesive linkage, simple structure, and set up the intercommunication mesh on the adhesive linkage, guarantee the normal propagation of sound, can not influence electronic equipment's normal use.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

Fig. 1 is an exploded view of a dust-proof protective film provided in an embodiment of the present application.

Fig. 2 is an exploded view of a dust-proof member of the dust-proof protective film according to the embodiment of the present application.

Fig. 3 is a schematic structural view of a second dust screen in the dust-proof member of the dust-proof protective film according to the embodiment of the present application.

Fig. 4 is a schematic cross-sectional view of a dust-proof protective film provided in an embodiment of the present application.

Fig. 5 is a schematic cross-sectional view of a dust-proof component of the dust-proof protective film according to an embodiment of the present disclosure.

Fig. 6 is a schematic cross-sectional view of another dust-proof member of the dust-proof protective film according to the embodiment of the present application.

Detailed Description

Reference will now be made in detail to embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative and are only for the purpose of explaining the present application and are not to be construed as limiting the present application.

In order to make the technical solutions better understood by those skilled in the art, 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. It is to be understood that the embodiments described are only a few embodiments of the present application and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

Referring to fig. 1 and fig. 2 together, a protective film 100 provided in an embodiment of the present application is used for protecting an electronic device, the protective film 100 includes a protective film body 110 and a dust-proof component 120, the protective film body 110 includes a first surface 111 and a second surface 112 facing away from each other, the protective film body 110 is provided with a headphone hole 113, the headphone hole 113 penetrates through the first surface 111 and the second surface 112, the second surface 112 is used for being attached to a surface of the electronic device, the dust-proof component 120 includes a first dust-proof net 121, the earphone comprises a second dust-proof net 122 and an adhesive layer 123, wherein the dust-proof component 120 is arranged in the earphone hole 113, the first dust-proof net 121 is provided with a plurality of first meshes 1211, the second dust-proof net 122 is provided with a plurality of second meshes 1221, the adhesive layer 123 is adhered between the first dust-proof net 121 and the second dust-proof net 122, the adhesive layer 123 is provided with a plurality of communicating meshes 1231, and the communicating meshes 1231 are communicated with the first meshes 1211 and the second meshes 122.

It should be noted that the electronic device may be a mobile phone, a tablet computer, a multimedia player, a reader, and the like, and the electronic device is taken as the mobile phone in the embodiment of the present application for description.

The protective film 100 is attached to a surface of a screen of a mobile phone to protect the screen of the mobile phone. Generally, an acoustic hole site (an acoustic hole site refers to a hole site structure for arranging an acoustic device on a mobile phone, for example, a receiver hole) is formed on a screen surface of the mobile phone, sound emitted by the acoustic device is transmitted to the outside through the acoustic hole site, when the protection film 100 is attached to the screen surface of the mobile phone, the receiver hole 113 of the protection film 100 corresponds to the acoustic hole site of the mobile phone, for example, the shape and size of the receiver hole 113 of the protection film 100 may be adapted to the shape and size of the acoustic hole site, and for example, the shape of the receiver hole 113 may be a circle, an ellipse, a waist, a bar, a polygon, a water drop or other shapes.

The protective film 100 provided by the embodiment of the application realizes multiple dust prevention through the first dust screen 121 and the second dust screen 122, reduces or avoids foreign objects from entering acoustic holes of electronic equipment through earphone holes, and has a better dust prevention effect; meanwhile, the first dustproof net 121 and the second dustproof net 122 are bonded through the bonding layer 123, the structure is simple, the communicated meshes 1231 are arranged on the bonding layer 123, normal propagation of sound is guaranteed, and normal use of the electronic equipment is not affected.

Referring to fig. 1, in the embodiment, the protective film body 110 may include a protective layer 114 and an adhesive layer 115 stacked together, the first surface 111 is formed on a side of the protective layer 114 away from the adhesive layer 115, the second surface 112 is formed on a side of the adhesive layer 115 away from the protective layer 114, the protective film 100 may further include a release film 116, and the release film 116 is adhered to the second surface 112. The release film 116 has no adhesiveness or has slight adhesiveness with the adhesive layer 115 after being exposed to a limited condition, and the release film 116 serves to protect the adhesive layer 115 from contacting with external dust and to maintain good adhesiveness of the adhesive layer 115. When the protective film 100 is attached to the surface of the screen of the electronic device, the release film 116 needs to be directly peeled off from the surface of the adhesive layer 115, and the protective layer 114 is adhered to the surface of the screen of the mobile phone through the adhesive layer 115.

Further, the surface of the first dust screen 121 is flush with the first surface of the protective film body 110; the surface of the second dust screen 122 is flush with the second surface of the protective film body 110, or the surface of the second dust screen 122 is lower than the second surface of the protective film body 110. The arrangement ensures that the dust-proof component 120 does not protrude out of the first surface of the protective film body 110, and the normal use of the electronic equipment by a user is not influenced.

As an example, the protection layer 114 may be made of transparent glass, frosted glass, acrylic, which is also called organic glass, is a polymer material with strong plasticity, and has the advantages of good transparency, strong chemical stability, and easy processing. The protective layer 114 may be of a flat plate-like configuration to fit a planar screen surface.

In some embodiments, the protection layer 114 may include a flat plate portion and an arc portion, the arc portion has an arc surface, the arc portion is connected to an edge of the flat plate portion, the flat plate portion is used for being attached to a plane of a screen of the electronic device, the arc surface of the arc portion is used for being attached to a curved surface edge of the screen of the electronic device, or the arc surface or the curved surface is directly formed on the edge of the flat plate portion through a hot bending process for adapting to the electronic device of the curved surface screen. The Adhesive layer 115 may be made of an OCA (Optically Clear Adhesive, OCA optical Adhesive) optical Adhesive, a double-sided Adhesive tape, or the like, and has a double-sided Adhesive effect, so as to provide a suitable Adhesive force, facilitate the adhesion of the protective layer 114 to the surface of the screen, and ensure that the screen is not damaged when the protective layer is taken down. As an example, the protection layer 110 may be made of an acrylic material or toughened glass, and the adhesive layer 115 may be made of OCA optical adhesive, wherein the adhesive layer 115 may be a plastic layer with adhesive on both sides, and the adhesive layer 115 is adhered between the protection layer 114 and the release film 116.

As an example, the thickness of the protective layer 114 may be 0.2mm to 0.3mm, for example, in some embodiments, the thickness of the protective layer 114 may be 0.2mm, 0.25mm, 0.28mm, or 0.3 mm. The thickness of the adhesive layer 115 may be 0.01mm to 0.05 mm. For example, in some embodiments, the thickness of the adhesive layer 115 may be 0.01mm, 0.025mm, or 0.05 mm. The above is merely an example, and the thicknesses of the protective layer 114 and the adhesive layer 115 may be set according to the actual application.

In some embodiments, the first dust-proof net 121 and the second dust-proof net 122 may be made of metal or a dust-proof net cloth, and the metal may be plated with the same color as the electronic device to maintain the color consistency. As an example, the first dust-proof net 121 may be a dust-proof net cloth, and the second dust-proof net 122 may be a metal material.

Referring to fig. 2, in some embodiments, the second dust screen 122 may include a mesh portion 1222 and a connecting portion 1223 connected to a periphery of the mesh portion 1222, and the second dust screen 122 is fixed in the earpiece hole 113 through the connecting portion 1223. The second mesh 1221 is formed in the mesh 1222, and the mesh 1222 may be a mesh, a grid, or the like, which can block foreign objects such as dust and foreign materials, but allow sound to pass through.

As an example, the mesh portion 1222 may be a flat plate, and the connection portion 1223 may form a ring structure around the outer circumference of the mesh portion 1222, wherein the ring structure may have a shape and size corresponding to the shape and size of the earpiece hole 113, the connection portion 1223 is embedded in the earpiece hole 113, and the ring structure is attached to the inner circumferential wall of the earpiece hole 113 to form a seal. In other embodiments, the second meshes 1221 may also be formed at the connection portions 1223. The area of the first dust-proof net 121 may be substantially equal to the area of the mesh portion 1222, and the first dust-proof net 121 may be completely overlapped on the upper surface of the mesh portion 1222.

As another example, as shown in fig. 3, the net-shaped portion 1222 may include a first net surface 1224 and a second net surface 1225, wherein the first net surface 1224 and the second net surface 1225 are disposed opposite to each other, the connecting portion 1223 is connected between the first net surface 1224 and the second net surface 1225 and disposed around the periphery of the first net surface 1224 and the second net surface 1225, and the second net holes 1221 are formed and penetrate through the first net surface 1224 and the second net surface 1225. By providing the mesh 1222 as a double-layer mesh structure, the filtering effect of the mesh 1222 can be improved, and foreign objects can be further blocked from entering the acoustic holes of the electronic device.

In some embodiments, the connection 1223 can be fixed in the receiver hole 113 by clipping or bonding. As an example, the outer sidewall of the connecting portion 1223 may be provided with a plurality of protrusions, the protrusions may extend substantially in an axial direction parallel to the second mesh 1221, the inner sidewall of the protective film body 110 surrounding the earpiece hole 113 is provided with a slot matching with the protrusions, the slot may be formed by recessing the inner sidewall of the protective layer 114, the slot extends substantially in the axial direction of the earpiece hole 113, when the dust-proof component 120 is installed in the earpiece hole 113, each protrusion of the connecting portion 1223 may be vertically clipped into the corresponding slot to be clipped with the slot, meanwhile, the outer sidewall of the connecting portion 1223 may be further coated with an adhesive to be further bonded with the inner sidewall of the protective film body 110, since the outer sidewall of the connecting portion 1223 is provided with a plurality of protrusions, the surface area of the entire outer sidewall of the connecting portion 1223 is increased, the bonding area between the outer sidewall of the connecting portion 1223 and the inner sidewall of the protective film body 110 is effectively increased, thereby improving the adhesive force between the connection portion 1223 and the inner circumferential wall of the protective film body 110.

In addition, the connection 1223 can be directly fixed in the earpiece hole 113 by bonding.

Referring to fig. 1 and fig. 4, in some embodiments, the earpiece hole 113 includes a first through hole 1131 and a second through hole 1132 that are communicated with each other, the first through hole 1131 is formed in the protection layer 114, the second through hole 1132 is formed in the adhesive layer 115, and a pore diameter of the first through hole 1131 may be larger than a pore diameter of the second through hole 1132, so as to form a step surface 1151 on the adhesive layer 115, and a surface of the second dust screen 122 away from the first dust screen 121 is adhered to the step surface 1151. It should be noted that the step surface 1151 is a part of the upper surface of the adhesive layer 115, and since the aperture of the first through hole 1131 is larger than the aperture of the second through hole 1132, the upper surface of the adhesive layer 115 partially extends into the first through hole 1131 in the horizontal direction, the part of the upper surface of the adhesive layer 115 extending into the first through hole 1131 is configured as the step surface 1151, and the step surface 1151 can receive the dust-proof component 120.

When the dust-proof member 120 is placed in the receiver hole 113, the surface of the second dust-proof screen 122 remote from the first dust-proof screen 121 is bonded to the step surface 1151. The outer dimensions of the first dust-proof net 121 and the second dust-proof net 122 may be consistent with the inner diameter of the first through hole 1131, the connection portion 1223 may be just accommodated in the first through hole 1131, that is, the outer sidewall of the connection portion 1223 is attached to the inner peripheral wall of the protective film body 110, which encloses the earpiece hole 113, the lower surface of the connection portion 1223 is bonded to the step surface 1151, that is, the step surface 1151 receives the connection portion 1223 located above the second through hole 1132, so as to fix the dust-proof component 120 in the first through hole 1131, and prevent the dust-proof component 120 from falling from the second through hole 1132. The mesh portion 1222 is located at a position where the first through hole 1131 and the second through hole 1132 communicate with each other, so as to block foreign objects from entering the acoustic hole sites of the electronic device through the first through hole 1131 and the second through hole 1132. In addition, the outer wall of the connection portion 1223 and the inner peripheral wall of the protective film body 110 surrounding the earpiece hole 113 may be bonded to further improve the adhesive strength between the connection portion 1223 and the protective film body 110.

In some embodiments, the thickness of the dust-proof member 120 may be less than or equal to the thickness of the protective film body 110. As an example, the upper surface of the dust-proof component 120 may be substantially flush with the first surface 111 or slightly lower than the first surface 111, so as to prevent the dust-proof component 120 from being separated due to the dust-proof component 120 protruding from the first surface 111 and being easily scraped, and the lower surface of the dust-proof component 120 may be flush with the second surface 112 or recessed into the second surface 112.

As shown in fig. 4, as an example, the thickness of the dust-proof component 120 may be equal to the thickness of the protective layer 114 (or the depth of the first through hole 1131), and the surface of the first dust-proof net 121 away from the second dust-proof net 122 may be substantially flush with the first surface 111, so that the entire outer surface of the protective film 100 is more flat.

In some embodiments, the second dust screen 122 may be located on a side of the first dust screen 121 near the second surface 112, wherein the aperture of the first mesh 1211 may be smaller than the aperture of the first mesh 1211.

Because the aperture of the first mesh 1211 of the dust-proof component 120 is smaller than the aperture of the second mesh 1221, the first dust-proof net 121 can filter out more external objects with smaller particle size, so as to reduce the external objects entering the second dust-proof net 122, and meanwhile, the second dust-proof net 122 can filter the entering external objects for the second time, thereby facilitating the cleaning of dust, impurities and the like at the first dust-proof net 121, effectively blocking the external objects such as dust, impurities and the like from passing through the earpiece hole 113 and entering the acoustic hole of the electronic device, and avoiding the blocking of the acoustic hole of the electronic device.

In some embodiments, the number of first mesh 1211 per unit area of the first dust screen 121 may be greater than the number of second mesh 1221 per unit area of the second dust screen 122, i.e., the first dust screen 121 and the second dust screen 122 are in the same unit area, the number of first mesh 1211 is greater than the number of second mesh 1221, for example, the number of first mesh 1211 in a unit area of 1 square centimeter of the first dust screen 121 is greater than the number of second mesh 1221 in a unit area of 1 square centimeter of the second dust screen 122, this makes the concentration of the first cells 1211 in the unit area higher than that of the second cells 1221 in the unit area, the first mesh openings 1211 and the second mesh openings 1221 may be uniformly and equally spaced and formed on the first dust-proof net 121 and the second dust-proof net 122, respectively, and a spacing between two adjacent first mesh openings 1211 may be smaller than a spacing between two adjacent second mesh openings 1221.

Because the aperture of the first mesh 1211 of the first dust screen 121 is smaller than the aperture of the second mesh 1221 of the second dust screen 122, and the density of the first mesh 1211 is higher than that of the second mesh 1222, the first dust screen 121 can filter a large amount of foreign objects more efficiently, and the second dust screen 122 performs secondary filtering, thereby effectively improving the overall dust-proof effect of the dust-proof component 120.

Still referring to fig. 2, the adhesive layer 123 is a mesh-shaped adhesive layer 115, the first dust-proof net 121 and the second dust-proof net 122 are adhered by the adhesive layer 123, the first mesh 1211 is communicated with the second mesh 1221 by the communication mesh 1231 of the adhesive layer 123, and the adhesive layer 123 is used to adhere the first dust-proof net 121 and the second dust-proof net 122, which is simple in structure, and the communication mesh 1231 is disposed on the adhesive layer 123 to ensure normal propagation of sound without affecting normal use of the electronic device, and the inner peripheral wall of the adhesive layer 123 surrounding the communication mesh 1231 may also have an adhesive to make it have a certain viscosity, so that part of external objects such as dust and impurities can adhere to the inner peripheral wall of the adhesive layer 123 to further prevent the external objects from entering the acoustic holes of the electronic device.

Referring to fig. 2 and 5, in some embodiments, the number of the communicating net holes 1231 may be the same as the number of the first net holes 1211, the aperture of the communicating net holes 1231 may be substantially equal to the aperture of the first net holes 1211, each of the communicating net holes 1231 may communicate with one of the first net holes 1221, one of the second net holes 1221 may communicate with at least one of the communicating net holes 1231, for example, one of the second net holes 1221 may communicate with two or more of the communicating net holes 1231. When the first dust screen 121 is provided with the number of first mesh holes 1211 larger than the number of second mesh holes 1221, for example, the number of first mesh holes 1211 is twice the number of second mesh holes 1221, the number of second mesh holes 1221 formed in the second dust screen 122 only needs to be equal to half the number of first mesh holes 1211, and each second mesh hole 1221 may be simultaneously communicated with two second mesh holes 1221 through two communication mesh holes 1231.

Referring to fig. 2 and 6, in other embodiments, the number of the communicating net holes 1231 may be the same as the number of the second net holes 1221, each of the communicating net holes 1231 may communicate with one of the second net holes 1221, each of the communicating net holes 1231 communicates with at least one of the first net holes 1211, for example, each of the communicating net holes 1231 communicates with two or more of the first net holes 1211, wherein the size of the holes of the communicating net holes 1231 may be smaller than or equal to the size of the holes of the second net holes 1211, and may be greater than or equal to 1/2 of the holes of the first net holes 1211. Therefore, the number of the communicated meshes 1231 and the second meshes 1221 can be reduced, and the processing difficulty and cost are reduced.

Still referring to fig. 1, in some embodiments, the adhesive layer 115 may have a silk-screen frame 117 around its periphery. As an example, the silk-screen frame 117 may be continuously disposed around the entire outer periphery of the adhesive layer 115 to serve as a protective frame for the periphery of the adhesive layer 115, so as to prevent the periphery of the adhesive layer 115 from contacting with external dust, thereby achieving a dustproof effect and effectively maintaining the viscosity of the adhesive layer 115. In addition, the silk-screen frame 117 may also be continuously disposed around the inner edge of the adhesive layer 115 that encloses the second through hole 1132.

In summary, the protection film 100 provided in the embodiment of the present application realizes multiple dust prevention through the double-layer dust screens with different dust prevention apertures, and the dust prevention effect is better; meanwhile, the two layers of dust screens are bonded through the bonding layer 123, the structure is simple, and the communicating meshes 1231 are arranged on the bonding layer 123, so that the normal transmission of sound is ensured, and the normal use of the electronic equipment is not influenced; realize multiple dustproof through first dust screen 121 and the second dust screen 122 that dustproof aperture is different, dustproof effect is better.

The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present application. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims (10)

1. A dust-proof protective film characterized by comprising:

the protective film comprises a protective film body, wherein the protective film body is provided with a receiver hole, and the receiver hole penetrates through the protective film body; and

dustproof component, dustproof component locates the earphone is downthehole, dustproof component includes first dust screen, second dust screen and adhesive linkage, first dust screen is equipped with a plurality of first meshs, the second dust screen is equipped with a plurality of second meshs, the adhesive linkage is located first dust screen with between the second dust screen and respectively with first dust screen with the second dust screen bonds, the adhesive linkage is equipped with a plurality of intercommunication meshs, intercommunication meshs intercommunication first mesh with the second meshs.

2. The dustproof protective film according to claim 1, wherein the protective film body comprises a protective layer and an adhesive layer which are stacked, and the surface of the first dustproof net is flush with the surface of the protective layer; the surface of the second dust screen is flush with the surface of the adhesive layer, or the surface of the second dust screen is lower than the surface of the adhesive layer.

3. The dust-proof protective film according to claim 1, wherein the first mesh openings have a smaller diameter than the second mesh openings, and the number of the first mesh openings per unit area of the first dust screen is greater than the number of the second mesh openings per unit area of the second dust screen.

4. The dustproof protective film according to claim 3, wherein the number of the communication meshes is the same as the number of the second meshes, each of the communication meshes communicates with one of the second meshes, and each of the communication meshes communicates with at least one of the first meshes.

5. The dust-proof protective film according to claim 1, wherein the second dust-proof net comprises a net-shaped portion and a connecting portion connected to a periphery of the net-shaped portion, and the second dust-proof net is fixedly disposed in the earphone hole through the connecting portion.

6. The dust-proof protective film according to claim 5, wherein the connecting portion is fixedly arranged in the earphone hole in a clamping or bonding manner.

7. The dustproof protective film according to claim 2, further comprising a release film, wherein the release film is adhered to the adhesive layer.

8. The dustproof protective film according to claim 7, wherein the earpiece hole comprises a first through hole and a second through hole that are communicated with each other, the first through hole is formed in the protective layer, the second through hole is formed in the adhesive layer, the aperture of the first through hole is larger than that of the second through hole, so that a step surface is formed on the adhesive layer, and the surface of the second dustproof mesh, which is far away from the first dustproof mesh, is adhered to the step surface.

9. The dust-proof protective film according to claim 7, wherein a silk screen frame is arranged on the periphery of the adhesive layer.

10. The dust-proof protective film according to claim 7, wherein the thickness of the dust-proof member is smaller than or equal to the thickness of the protective film body.

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