CN209767597U - Shell assembly and mobile terminal - Google Patents

Abstract

The application relates to a shell assembly and a mobile terminal, wherein the shell assembly comprises a rear cover and an anti-abrasion assembly. The back lid is including backing up first surface and the second surface that sets up mutually, and the back lid is opened and is equipped with the mounting hole that runs through first surface and second surface. The anti-abrasion assembly is arranged in the mounting hole and protrudes out of the first surface, and the anti-abrasion assembly is provided with a microphone hole penetrating through the anti-abrasion assembly. The shell assembly can be combined to the middle frame of the mobile terminal, and the abrasion-proof assembly protrudes out of the first surface, so that when the mobile terminal is placed on a support such as a table, the local position of the first surface can be prevented from being abraded or scratched. Because the microphone hole is located the abrasionproof subassembly, the abrasionproof subassembly is installed in the mounting hole, and the quantity in the hole of frame week side can be reduced in this kind of setting, is favorable to promoting mobile terminal's outward appearance wholeness.

Description

Shell assembly and mobile terminal

Technical Field

The present application relates to the field of mobile terminal technology, and more particularly, to a housing assembly and a mobile terminal.

Background

Mobile terminals such as smart phones are generally provided with a middle frame, a microphone hole for receiving environmental sounds is formed in the circumferential surface of the middle frame, and the appearance integrity of the mobile terminal is affected by the microphone hole of the middle frame.

SUMMERY OF THE UTILITY MODEL

The embodiment of the application discloses a shell assembly in a first aspect, and aims to solve the problem that the appearance integrity of a mobile terminal is influenced by a microphone hole of a middle frame.

A housing assembly, comprising:

The rear cover comprises a first surface and a second surface which are arranged oppositely, and the rear cover is provided with a mounting hole which penetrates through the first surface and the second surface; and

The anti-abrasion assembly is arranged in the mounting hole and protrudes out of the first surface, and the anti-abrasion assembly is provided with a microphone hole penetrating through the anti-abrasion assembly.

the shell assembly can be combined to the middle frame of the mobile terminal, and the abrasion-proof assembly protrudes out of the first surface, so that when the mobile terminal is placed on a support such as a table, the local position of the first surface can be prevented from being abraded or scratched. Because the microphone hole is located the abrasionproof subassembly, the abrasionproof subassembly is installed in the mounting hole, and the quantity in the hole of frame week side can be reduced in this kind of setting, is favorable to promoting mobile terminal's outward appearance wholeness.

In one embodiment, the rear cover is provided with a light-transmitting area, the light-transmitting area and the mounting hole are arranged at intervals, and ambient light can penetrate from the first surface of the light-transmitting area to the side where the second surface is located.

in one embodiment, the wear-resistant assembly includes a wear-resistant block fixedly connected to the rear cover, the wear-resistant block penetrates through the mounting hole and protrudes from the first surface, and the microphone hole penetrates through the wear-resistant block.

In one embodiment, the wear block comprises a main body and a flange arranged on the periphery of the main body, and the microphone hole penetrates through the main body; the main body penetrates through the mounting hole and protrudes out of the first surface.

In one embodiment, the wear-resistant assembly comprises a decorative ring and a first adhesive layer, the decorative ring is fixedly connected with the rear cover, and the decorative ring penetrates through the mounting hole and is sleeved on the main body; the first bonding layer is arranged between the decoration ring and the flange, and the wear-resistant block is fixedly connected to the decoration ring through the first bonding layer.

In one embodiment, the decorative ring comprises a convex ring and a step arranged on the periphery of the convex ring, and the convex ring penetrates through the mounting hole and is sleeved on the main body; the wear-resistant assembly comprises a second adhesive layer arranged between the step and the second surface, and the decorative ring is fixedly connected to the rear cover through the second adhesive layer.

In one embodiment, the rear cover comprises a substrate and a decorative layer arranged on the substrate, the first surface is positioned on the substrate, the decorative layer is positioned on one side of the substrate, which faces away from the first surface, and the second surface is positioned on one side of the decorative layer, which faces away from the substrate; the decorative layer is provided with a through hole extending to the substrate, and the wall of the through hole is surrounded into the light-transmitting area on the substrate.

The second aspect of the embodiment of the application discloses a mobile terminal, so as to solve the technical problem that the appearance integrity of the mobile terminal is affected by a microphone hole of a middle frame.

A mobile terminal comprises a middle frame, a microphone device, a circuit board and the shell assembly in any one of the embodiments, wherein a rear cover covers the middle frame and forms an installation space with the middle frame, and a first surface is positioned on one side of the rear cover, which is far away from the installation space; the circuit board is arranged in the mounting space and connected with the microphone device, and environmental sounds can penetrate through the microphone hole of the wear-resistant assembly and are transmitted into the microphone device.

In one embodiment, the mobile terminal includes a camera module, the camera module is disposed in the installation space and connected to the circuit board, and ambient light can pass through the light-transmitting area and enter the camera module.

In one embodiment, the mobile terminal includes a seal fixedly connected to the circuit board and abutting a side of the wear assembly facing away from the first surface; the sealing member is provided with a first hole communicating with the microphone hole, through which ambient sound can pass and be transmitted into the microphone device.

In one embodiment, the mobile terminal comprises a dust screen, the dust screen is arranged between the sealing member and the microphone device, and environmental sound can penetrate through the dust screen and is transmitted into the microphone device.

In one embodiment, the mobile terminal comprises a third adhesive layer arranged between the dust screen and the circuit board, and the dust screen is fixedly connected with the circuit board through the third adhesive layer; the microphone device and the dust screen are respectively located on two opposite sides of the circuit board, the circuit board is provided with a second hole, and environmental sounds can penetrate through the second hole and are transmitted into the microphone device.

drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a perspective view of a mobile terminal in one embodiment;

FIG. 2 is a left side view of the mobile terminal shown in FIG. 1;

Fig. 3 is a bottom view of the mobile terminal shown in fig. 1;

FIG. 4 is a perspective view of another perspective of the mobile terminal shown in FIG. 1;

Fig. 5 is an exploded view of the mobile terminal shown in fig. 4;

FIG. 6 is a rear view of the mobile terminal shown in FIG. 4;

FIG. 7 is a cross-sectional view of the mobile terminal of FIG. 6 taken along A-A;

fig. 8 is an enlarged schematic view of the mobile terminal shown in fig. 7 at B;

fig. 9 is an exploded view of a housing assembly of the mobile terminal shown in fig. 5;

FIG. 10 is a front view of a housing assembly of the mobile terminal of FIG. 9;

FIG. 11 is a cross-sectional view of the housing assembly of the mobile terminal of FIG. 10 taken along C-C;

Fig. 12 is a front view of the circuit board of the mobile terminal shown in fig. 5 with a camera module and a microphone device mounted thereon;

fig. 13 is a cross-sectional view of the circuit board of the mobile terminal shown in fig. 12 taken along D-D.

Detailed Description

To facilitate an understanding of the present application, the present application will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present application are illustrated in the accompanying drawings. This application may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

As used herein, "terminal device" refers to a device capable of receiving and/or transmitting communication signals including, but not limited to, devices connected via any one or more of the following connections:

(1) Via wireline connections, such as via Public Switched Telephone Network (PSTN), Digital Subscriber Line (DSL), Digital cable, direct cable connections;

(2) Via a Wireless interface means such as a cellular network, a Wireless Local Area Network (WLAN), a digital television network such as a DVB-H network, a satellite network, an AM-FM broadcast transmitter.

A terminal device arranged to communicate over a wireless interface may be referred to as a "mobile terminal". Examples of mobile terminals include, but are not limited to, the following electronic devices:

(1) satellite or cellular telephones;

(2) personal Communications Systems (PCS) terminals that may combine cellular radiotelephones with data processing, facsimile, and data Communications capabilities;

(3) Radiotelephones, pagers, internet/intranet access, Web browsers, notebooks, calendars, Personal Digital Assistants (PDAs) equipped with Global Positioning System (GPS) receivers;

(4) Conventional laptop and/or palmtop receivers;

(5) Conventional laptop and/or palmtop radiotelephone transceivers, and the like.

Referring to fig. 1, 2 and 3, in one embodiment, the mobile terminal 10 is a smart phone, and in other embodiments, the mobile terminal 10 may be a tablet computer, a palm game machine, or the like. Referring to fig. 4 and 5, the mobile terminal 10 includes a middle frame 100, a display module 200, a microphone 300, a circuit board 400, a camera module 500, and a housing assembly 600, where the middle frame 100 may be made of metal material such as aluminum alloy, magnesium alloy, or stainless steel, and the middle frame 100 may also be made of non-metal material such as ceramic, plastic, and the like. The display screen module 200 and the shell assembly 600 are respectively disposed on two opposite sides of the middle frame 100 and respectively fixedly connected to the middle frame 100. For example, the display module 200 and the case assembly 600 may be fixedly connected to the middle frame 100 by using a dispensing process, respectively, to improve the reliability of the connection. The case assembly 600 and the middle frame 100 form a mounting space for mounting electronic components such as a battery, a circuit board 400, a camera module 500, etc. of the mobile terminal 10. The battery can supply power to the circuit board 400, the camera module 500 and the display screen module 200. The Display screen module 200 may include an LCD (Liquid Crystal Display) Display screen or an OLED (organic light-Emitting Diode) Display screen, and the Display screen module 200 may be used to Display information and provide an interactive interface for a user. The display screen module 200, the camera module 500 and the microphone device 300 are respectively connected with the circuit board 400, the circuit board 400 can be integrated with electronic components such as a processor, a storage unit and a baseband chip of the mobile terminal 10, the processor can control the display of the display screen module 200 and the shooting of the camera module 500, and the microphone device 300 can be used for receiving environmental sounds to further process through the processor. During the process of receiving the user's voice by the mobile terminal 10, such as making a phone call or sending voice information, the microphone device 300 may receive the ambient sound and perform noise reduction processing on the ambient sound to make the user's voice more clearly present. It will be appreciated that the ambient sound may include the user's voice, but may also include other sounds in the environment.

further, referring to fig. 6, 7 and 8, shell assembly 600 includes a back cover 610 and a wear assembly 620 disposed on back cover 610. The rear cover 610 has a substantially rectangular block shape, and the rear cover 610 covers the middle frame 100 and forms an installation space with the middle frame 100. With reference to fig. 9, 10 and 11, the rear cover 610 includes a first surface 611 and a second surface 613 which are opposite to each other, and the first surface 611 is located on a side of the rear cover 610 facing away from the installation space. The rear cover 610 has a light-transmitting area 615, and referring to fig. 7, the camera module 500 is disposed corresponding to the light-transmitting area 615, and the ambient light can penetrate from the first surface 611 of the light-transmitting area 615 to the side of the second surface 613, and can be incident into the camera module 500. Further, in some embodiments, the rear cover 610 includes a substrate and a decoration layer disposed on the substrate, the substrate is transparent, and the material of the substrate may be glass or sapphire and has a high light transmittance, for example, the light transmittance of the substrate may be above 85%. The decorative layer can include an ink layer, or an optical film layer or other film layer with decorative effect, and the decorative layer is used for presenting appearance effect. For example, the decorative layer may be a multi-colored color to provide the mobile terminal 10 with a better appearance. The first surface 611 is located the one side that deviates from camera module 500 of base plate, and the decorative layer is located the one side that deviates from first surface 611 of base plate, and second surface 613 is located the one side that deviates from the base plate of decorative layer, and the decorative layer is equipped with the through-hole that extends to the base plate, and the pore wall of through-hole is enclosed at the base plate and is established into light-transmitting area 615, also the pore wall of the through-hole of decorative layer has defined the boundary in light-transmitting area 615. The light-transmitting area 615 allows the rear cover 610 not to have a light-transmitting hole for light entering the camera module 500, so that the rear cover 610 has higher integrity and the appearance integrity of the mobile terminal 10 can be improved. Of course, in other embodiments, the decorative layer may be omitted, i.e., the entire substrate may be used as the light-transmissive region. In other embodiments, the substrate except for the transparent region 615 may be colored glass, and the transparent region 615 of the substrate may be transparent glass, and such an arrangement may also use the transparent region 615 for light incident.

referring to fig. 9 and 11, the back cover 610 has a mounting hole 617 penetrating through the first surface 611 and the second surface 613, the wear-resistant assembly 620 is fixedly connected to the mounting hole 617 and protrudes from the first surface 611 at the light-transmitting region 615, the wear-resistant assembly 620 has a microphone hole 621 penetrating through the wear-resistant assembly 620, and referring to fig. 8, the ambient sound can pass through the microphone hole 621 and be transmitted into the microphone 300. In some embodiments, mounting holes 617 are spaced apart from light transmissive region 615. The wear assembly 620 further includes a wear block 623 fixedly connected to the rear cover 610, the wear block 623 is disposed through the mounting hole 617 and protrudes from the first surface 611 of the transparent region 615, and the microphone hole 621 penetrates through the wear block 623. The wear-resistant block 623 can be made of a wear-resistant material, for example, the wear-resistant block 623 can be made of a non-metallic material such as ceramic or glass, and of course, the wear-resistant block 623 can also be made of a wear-resistant metallic material.

In the mobile terminal 10, the camera module 500 can enter light through the light-transmitting area 615, and the wear-resistant assembly 620 protrudes out of the first surface 611 at the light-transmitting area 615, so that the first surface 611 at the light-transmitting area 615 can be prevented from being worn or scratched. Since the microphone hole 621 is located in the wear-resistant assembly 620, and the wear-resistant assembly 620 is mounted in the mounting hole 617, this arrangement can reduce the number of holes on the peripheral side of the middle frame 100, and improve the appearance integrity of the middle frame 100, and thus the appearance integrity of the mobile terminal 10.

referring to fig. 9 and 11, the wear block 623 further includes a main body 623a and a flange 623b disposed on the circumference of the main body 623a, the main body 623a is substantially cylindrical, and the end of the main body 623a protruding the first surface 611 may be in a ball shape, so that the main body 623a can be easily machined and can form a wear-resistant structure with high structural strength. The microphone hole 621 penetrates the main body 623a, and the main body 623a penetrates the mounting hole 617 and protrudes from the first surface 611 at the light-transmitting region 615. In other embodiments, the cross-section of the main body 623a may be other shapes such as triangle, quadrilateral, pentagon, hexagon, heart, racetrack, or irregular, etc., and the wear block 623 may serve as a decoration for the mobile terminal 10.

further, referring to fig. 9 and 11, the wear-resistant assembly 620 includes a decorative ring 625 fixedly connected to the rear cover 610, the decorative ring 625 has a shape matching the shape of the main body 623a, the decorative ring 625 penetrates through the mounting hole 617 and is sleeved on the main body 623a, and the decorative ring 625 and the main body 623a can form a tight fit to reduce a gap between the main body 623a and the decorative ring 625. The decoration ring 625 may be made of aluminum alloy, stainless steel, or other metal materials, and an end surface of the decoration ring 625 exposed on the first surface 611 may be subjected to surface treatment such as polishing or electroplating, so that the decoration ring 625 has high decoration performance, and the appearance characteristics of the mobile terminal 10 are improved. The wear assembly 620 may further include a first adhesive layer 628 disposed between the bezel 625 and the flange 623b, the first adhesive layer 628 may be an adhesive or a double-sided adhesive, and the wear block 623 is fixedly attached to the bezel 625 by the first adhesive layer 628. It is understood that the first adhesive layer 628 is not essential and thus may be omitted. For example, the wear block 623 may be fixedly attached to the bezel 625 by way of an interference fit.

Referring to fig. 9 and 11, in the embodiment where the main body 623a is cylindrical, the bezel 625 includes a collar 625a and a step 625b disposed on the outer periphery of the collar 625a, the outer diameter of the step 625b is greater than that of the collar 625a, the collar 625a penetrates the mounting hole 617 and is sleeved on the main body 623a, and the first adhesive layer 628 is disposed between the step 625a and the flange 623 b. The wear assembly 620 further includes a second adhesive layer 629 disposed between the step 625b and the second surface 613, the bezel 625 being fixedly attached to the back cover 610 by the second adhesive layer 629. The second adhesive layer 629 may be an adhesive or a double-sided tape, and the bezel 625 is securely fixed to the rear cover 610 by the second adhesive layer 629. It is understood that the second adhesive layer 629 is not essential and thus may be omitted. For example, the bezel 625 and the mounting hole 617 may be formed by an interference fit to securely fix the bezel 625 to the rear cover 610. Decorate the setting of circle 625, can promote the intensity of the connection structure of abrasionproof subassembly 620 and back lid 610, for example, when utilizing metal material's decoration circle 625 and mounting hole 617 to form the tight fit, can utilize metal material's elasticity to make and decorate circle 625 and produce little deformation, so that decorate circle 625 and mounting hole 617, decorate circle 625 and abrasionproof piece 623 and form firm cooperation, promote the reliability of installation and be favorable to doing sealing process to the joint gap of abrasionproof subassembly 620 and back lid 610, with the waterproof dustproof performance who promotes mobile terminal 10.

Referring to fig. 12 and 13 in conjunction with fig. 8, the mobile terminal 10 includes a seal 700, the seal 700 fixedly attached to the circuit board 400 and abutting a side of the wear assembly 620 facing away from the first surface 611, the seal 700 having a first aperture 710 in communication with a microphone aperture 621, ambient sound capable of passing through the first aperture 710 and into the microphone device 300. Referring to fig. 5, the sealing member 700 is substantially in the shape of a ring, and may be made of a flexible material such as silicon rubber or rubber. The cross-section of the seal 700 may have a shape similar to the shape of the flange 623b, and the outer circumference of the flange 623b may be flush with the outer circumference of the seal 700. After the middle frame 100 is covered by the shell assembly 600, the sealing member 700 abuts against a side of the wear block 623 facing away from the first surface 611, and the sealing member 700 surrounds the periphery of the microphone hole 621. The first hole 710 has an aperture equal to or larger than that of the microphone hole 621 so that the microphone hole 621 communicates with the first hole 710 and seals the circumference of the microphone hole 621, and this arrangement facilitates transmission of ambient sound into the microphone device 300. Further, referring to fig. 13 and 8, the surface of the side of the sealing member 700 facing the wear block 623 may be provided with an annular protrusion 701 along the circumferential direction of the first hole 710, the annular protrusion 701 is circumferentially closed, and when the wear block 623 abuts against the sealing member 700, the annular protrusion 701 can deform, so that the sealing member 700 and the wear block 623 form a better sealing effect, and sound transmission through the microphone hole 621 and the first hole 710 is facilitated. Of course, the side of the wear block 623 facing the seal 700 may be provided with an annular groove corresponding to the annular protrusion 701, and the annular groove is used for accommodating the annular protrusion 701, so that the assembly positioning of the seal 700 and the wear block 623 can be better realized. Of course, it will be understood that the annular projection 701 is not required and may be omitted.

Further, referring to fig. 12 and 13 in conjunction with fig. 5, the mobile terminal 10 includes a dust screen 800, the dust screen 800 is disposed between the sealing member 700 and the microphone device 300, the dust screen 800 may be made of a metal wire, and the dust screen 800 forms a plurality of dense small holes that prevent dust from passing through the dust screen 800 into the microphone device 300, but allow ambient sounds to pass through the dust screen 800 and into the microphone device 300. The dust screen 800 may have a shape similar to that of the sealing member 700, and the circumferential direction of the dust screen 800 may be flush with the circumferential direction of the sealing member 700, which may improve the compactness of assembling the components to save the installation space inside the mobile terminal 10.

Further, referring to fig. 12 and 13 in combination with fig. 5, the mobile terminal 10 includes a third adhesive layer 900 disposed between the dust screen 800 and the circuit board 400, and the dust screen 800 is fixedly connected to the circuit board 400 through the third adhesive layer 900. The third adhesive layer 900 may be an adhesive or a double-sided adhesive to form a firm connection between the dust screen 800 and the circuit board 400. The third adhesive layer 900 does not cover the first hole 710 to prevent the third adhesive layer 900 from blocking the transmission of sound. Further, the third adhesive layer 900 may have a ring shape, and the diameter of the inner ring of the third adhesive layer 900 is equal to or greater than the diameter of the first hole 710, which may more effectively prevent the third adhesive layer 900 from adversely affecting the transmission of sound. In the embodiment shown in fig. 13, the microphone device 300 and the dust screen 800 are respectively located on two opposite sides of the circuit board 400, and the circuit board 400 is provided with a second hole 410, so that the ambient sound can pass through the second hole 410 and be transmitted into the microphone device 300. The aperture of the second hole 410 may be smaller than the aperture of the first hole 710, which may provide better sound collection using the first hole 710 to form a cavity. The side of the middle frame 100 facing the microphone device 300 may be provided with a groove for accommodating the microphone device 300, which facilitates to reduce the thickness of the whole mobile terminal 10, so as to facilitate to design the mobile terminal 10 to be light and thin. Of course, the microphone device 300 may be disposed on the side of the circuit board 400 facing the wear assembly 620, which may avoid opening the second hole 410 in the circuit board 400, thereby simplifying the assembly structure.

the technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

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 claims. 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 (12)

1. A shell assembly, comprising:

the rear cover comprises a first surface and a second surface which are arranged oppositely, and the rear cover is provided with a mounting hole which penetrates through the first surface and the second surface; and

The anti-abrasion assembly is arranged in the mounting hole and protrudes out of the first surface, and the anti-abrasion assembly is provided with a microphone hole penetrating through the anti-abrasion assembly.

2. the housing assembly of claim 1, wherein the rear cover defines a light transmissive region spaced from the mounting hole, ambient light being able to pass from the first surface to a side of the second surface at the light transmissive region.

3. the housing assembly of claim 2, wherein the wear assembly includes a wear block fixedly attached to the back cover, the wear block extending through the mounting hole and protruding from the first surface, the microphone hole extending through the wear block.

4. the shell assembly of claim 3, wherein the wear block includes a main body and a flange disposed circumferentially about the main body, the microphone aperture extending through the main body; the main body penetrates through the mounting hole and protrudes out of the first surface.

5. The shell assembly of claim 4, wherein the wear assembly includes a decorative ring and a first adhesive layer, the decorative ring is fixedly connected to the rear cover, the decorative ring penetrates the mounting hole and is sleeved on the main body; the first bonding layer is arranged between the decoration ring and the flange, and the wear-resistant block is fixedly connected to the decoration ring through the first bonding layer.

6. The shell assembly of claim 5, wherein the decorative ring comprises a convex ring and a step arranged on the outer periphery of the convex ring, and the convex ring penetrates through the mounting hole and is sleeved on the main body; the wear-resistant assembly comprises a second adhesive layer arranged between the step and the second surface, and the decorative ring is fixedly connected to the rear cover through the second adhesive layer.

7. A shell assembly as defined in any of claims 2-6, wherein said rear cover includes a substrate and a decorative layer disposed on said substrate, said first surface being located on said substrate, said decorative layer being located on a side of said substrate facing away from said first surface, said second surface being located on a side of said decorative layer facing away from said substrate; the decorative layer is provided with a through hole extending to the substrate, and the wall of the through hole is surrounded into the light-transmitting area on the substrate.

8. a mobile terminal, comprising a middle frame, a microphone device, a circuit board, and the housing assembly of any one of claims 2 to 7, wherein the rear cover covers the middle frame and forms an installation space with the middle frame, and the first surface is located on a side of the rear cover facing away from the installation space; the circuit board is arranged in the mounting space and connected with the microphone device, and environmental sounds can penetrate through the microphone hole of the wear-resistant assembly and are transmitted into the microphone device.

9. The mobile terminal of claim 8, wherein the mobile terminal comprises a camera module disposed in the mounting space and connected to the circuit board, and ambient light can pass through the transparent region and enter the camera module.

10. The mobile terminal of claim 8, comprising a seal fixedly connected to the circuit board and abutting a side of the wear assembly facing away from the first surface; the sealing member is provided with a first hole communicating with the microphone hole, through which ambient sound can pass and be transmitted into the microphone device.

11. The mobile terminal of claim 10, wherein the mobile terminal comprises a dust screen disposed between the seal and the microphone device, and wherein ambient sound can pass through the dust screen and pass into the microphone device.

12. the mobile terminal of claim 11, wherein the mobile terminal comprises a third adhesive layer disposed between the dust screen and the circuit board, and the dust screen is fixedly connected to the circuit board through the third adhesive layer; the microphone device and the dust screen are respectively located on two opposite sides of the circuit board, the circuit board is provided with a second hole, and environmental sounds can penetrate through the second hole and are transmitted into the microphone device.