CN212231521U - Microphone sealing structure and terminal equipment - Google Patents
Microphone sealing structure and terminal equipment Download PDFInfo
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- CN212231521U CN212231521U CN202021210103.8U CN202021210103U CN212231521U CN 212231521 U CN212231521 U CN 212231521U CN 202021210103 U CN202021210103 U CN 202021210103U CN 212231521 U CN212231521 U CN 212231521U
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Abstract
The utility model discloses a microphone sealing structure and terminal equipment, wherein the microphone sealing structure comprises a shell, a circuit board, a microphone, a sealing sleeve and a dust screen, and the shell is provided with a through hole; the circuit board is arranged in the shell; the microphone is fixed on the circuit board, the seal cover is including cup jointing portion and grafting portion, cup jointing portion encloses the outside of establishing at the microphone and with circuit board airtight cooperation, grafting portion cross-under is in the through-hole, be provided with one on the seal cover and lead the sound passageway, the one end of leading the sound passageway is just to setting up with the sound hole of microphone, the other end extends to the outside terminal surface of grafting portion, the dust screen is arranged in between microphone and the seal cover and is located between the one end of leading the sound passageway and the sound hole of microphone. The utility model avoids clamping the dust screen between the sealing sleeve and the shell, which can not affect the dust screen and the sound guide channel; meanwhile, the dustproof net is arranged between the sealing sleeve and the microphone, so that the microphone can be conveniently assembled.
Description
Technical Field
The utility model relates to the field of electronic technology, concretely relates to microphone seal structure still relates to the terminal equipment who has this microphone seal structure simultaneously.
Background
On terminal products such as cell-phones, flat panel and intelligent wearing equipment, generally need dispose mic (being the microphone) to realize terminal product's conversation function, the leakproofness of microphone is the key factor that determines terminal product conversation quality good or bad.
At present, the microphone of the terminal product is usually sealed by wrapping the microphone with a sealing rubber sleeve, for example, in the existing mobile phone, the microphone is fixed on the circuit board, the sealing rubber sleeve is sleeved on the microphone, a sound guide channel is arranged on the sealing rubber sleeve, one end of the sound guide hole is communicated with the sound hole of the microphone, the other end of the sound guide hole extends to the inner side of the rear shell, a through hole which is right opposite to the other end of the sound guide channel is arranged on the rear shell, meanwhile, a dust screen is arranged on the inner surface in the rear shell, the dust screen is arranged between the through hole and the other end of the sound guide channel, and the dust screen is compressed by the sealing rubber sleeve to achieve the sealing.
However, because there is a processing error between the sealing rubber sleeve and the rear shell, the error accumulation between the sealing rubber sleeve and the rear shell after assembly can lead to the sealing rubber sleeve being difficult to be in good press fit or being in transitional press fit, which leads to the difficulty increase of the mobile phone assembly during transitional press fit, and under the condition of not being in good press fit, the sealing performance of the microphone is affected, and then the communication quality of the mobile phone is affected.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a microphone seal structure, its sealed problem of having solved the microphone, and convenient assembly.
The utility model discloses a second purpose lies in, provides a terminal equipment.
In order to achieve the above object, the utility model adopts the following technical scheme:
a microphone sealing structure comprises a shell, a circuit board, a microphone, a sealing sleeve and a dust screen;
the shell is provided with a through hole;
the circuit board is arranged in the shell;
the microphone is fixed on the circuit board;
the sealing sleeve comprises a sleeve joint part and a plug-in part, the sleeve joint part is arranged around the outside of the microphone and is in sealed fit with the circuit board, the plug-in part is connected in the through hole in a penetrating mode, a sound guide channel is arranged on the sealing sleeve, one end of the sound guide channel is opposite to a sound hole of the microphone, and the other end of the sound guide channel extends to the outer side end face of the plug-in part;
the dustproof net is arranged between the microphone and the sealing sleeve and is positioned between one end of the sound guide channel and the sound hole of the microphone.
Preferably, the casing includes preceding shell and with preceding shell fixed connection's backshell, the through-hole is seted up on the backshell, circuit board fixed connection is in on the backshell.
Preferably, the sleeve-joint part of the sealing sleeve comprises a lower surface in close fit with the circuit board and an upper surface opposite to the lower surface, a concave position formed by upward sinking is arranged on the lower surface of the sleeve-joint part, the microphone is positioned in the concave position, and one end of the sound guide channel extends to the top surface of the concave position and is positioned right above a sound hole of the microphone; the front shell is pressed on the upper surface of the sleeving part.
Preferably, the dust screen is located between the top surface of the concave position and the microphone.
Preferably, the dust screen is fixed on the surface of the microphone, on which the sound hole is formed.
Preferably, the dust screen is bonded to the top surface of the concave position.
Preferably, the outer end face of the insertion part is flush with the outer surface of the housing or is located inside the outer surface of the housing.
In order to achieve the second purpose, the utility model adopts the following technical scheme:
a terminal device comprises the microphone sealing structure.
The utility model has the advantages that the whole sound guide channel is arranged on the sealing sleeve, and the dust screen is arranged between the sealing sleeve and the microphone, so that the dust screen is prevented from being clamped between the sealing sleeve and the shell, even if the sealing sleeve and the shell have processing errors, the position of the splicing part in the through hole is only changed, the dust screen is not influenced, and the sound guide channel is not influenced; meanwhile, the dustproof net is arranged between the sealing sleeve and the microphone, so that the microphone can be conveniently assembled.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be 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 invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of the present invention.
The reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name (R) |
| 10 | |
501 | |
| 20 | |
502 | Upper surface of |
| 21 | Through |
52 | |
| 30 | |
521 | Opening of the |
| 40 | Microphone (CN) | 522 | Opening of the |
| 41 | |
520 | |
| 50 | |
530 | Plug-in |
| 51 | |
60 | Dust- |
| 511 | The top surface |
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit ly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
As shown in fig. 1, in order to provide a microphone sealing structure of the present invention, which includes a casing, a circuit board 30, a microphone 40, a sealing sleeve 50 and a dust screen 60, the microphone sealing structure of the present invention is applied to a mobile phone, the casing can be divided into a front casing 10 and a rear casing 20, the front casing 10 is fixedly connected to the rear casing 20, the circuit board 30 is located inside the casing, and preferably fixed to the rear casing 20, and the rear casing 20 is provided with a through hole 21 extending from the inner surface to the outer surface thereof; the microphone 40 is fixed on the upper surface of the circuit board 30, the sealing sleeve 50 is preferably made of rubber, the sealing sleeve 50 includes a socket part 520 and a plug part 530, wherein, the socket 520 is a main body part for sealing the microphone 40, the socket 520 is sleeved outside the microphone 40, so that the socket 520 surrounds the microphone 40, meanwhile, the periphery of the socket 520 is tightly fitted with the circuit board 30 to ensure the sealing performance of the microphone 40, the plug 530 extends from one side of the socket 520 to the outside of the rear case 20, and the insertion part 530 is inserted into the through hole 21, the sealing sleeve 50 is provided with a sound guide channel 52, one end of the sound guiding channel 52 forms an opening 521 on the surface of the socket 520, and the other end extends to the outer end surface of the plug 530 to form an opening 522, the opening 521 is disposed opposite to the sound hole 41 of the microphone 40, and the opening 521 is disposed in the through hole 21 to communicate the sound guide channel 52 with the external environment of the rear case 20; the dust-proof mesh 60 is located between the sealing sleeve 50 and the microphone 40, and the dust-proof mesh 60 is provided between the opening 521 and the sound hole 41 of the microphone 40 to isolate the sound hole 41 of the microphone 40 from the sound guide passage 52, and to prevent dust and the like from entering the inside of the microphone 40 via the sound guide passage 52 while ensuring the transmission of sound.
In the above scheme of the utility model, because the sound guide channel is integrally arranged on the sealing sleeve, and the dust screen is arranged between the sealing sleeve and the microphone, the dust screen is prevented from being clamped between the sealing sleeve and the shell, even if the sealing sleeve and the shell have processing errors, only the position of the insertion part inside the through hole is changed, the dust screen is not influenced, and the sound guide channel is not influenced; meanwhile, the dustproof net is arranged between the sealing sleeve and the microphone, so that the microphone can be conveniently assembled.
It should be noted that, when the microphone sealing structure of the present invention is applied to other terminal devices, the casing thereof may be an integral structure; the through hole 21 may be formed in the rear case 20 or the front case 10.
In a preferred embodiment, the socket 520 of the sealing sleeve 50 includes a lower surface 501 and an upper surface 502, the lower surface 501 is attached to the circuit board 30, and is tightly fitted with the circuit board 30, a recess 51, which is recessed upward, is provided on the lower surface 501, the microphone 40 is accommodated in the recess 51, in this way, the microphone 40 is sealed on the circuit board 30 by the socket 520 of the sealing sleeve 50, the face of the microphone 40 provided with the sound hole 41 faces upward, that is, the sound hole 41 is disposed upward, one end of the sound guide passage 52 extends to the top surface 511 of the recess 51 to form the opening 521, the opening 521 is disposed right above the sound hole 41 to ensure the sound transmission between the sound guide channel 52 and the sound hole 41, the dust-proof net 60 is disposed between the top surface 511 of the concave 51 and the surface of the microphone 40 opening the sound hole 41, and the sound hole 41 is separated from the opening 521 by the dust-proof net 60; the upper surface 502 and the lower surface 501 of the socket 520 are disposed opposite to each other, and the front housing 10 is pressed against the upper surface 502 of the socket 520, so as to press the sealing sleeve 50 against the circuit board 30.
The dust-proof net 60 may be fixed to the surface of the microphone 40 where the sound holes 41 are provided, so that the dust-proof net 60 and the microphone 40 form a component, and the component is fixed to the circuit board 30 when mounted. Of course, the dust-proof net 60 may be fixed on the top surface 511 of the concave 51 by bonding, that is, the dust-proof net 60 and the sealing sleeve 50 form a component, and when the component is installed, the component is entirely sleeved outside the microphone 40 on the circuit board 30; after the sealing sleeve 50 is mounted, the sealing sleeve 50 is compressed by the front case 10.
The utility model discloses in, the outside terminal surface of grafting portion 530 can be with the surface parallel and level of casing, also can be with the outside terminal surface setting of grafting portion 530 at the surface of casing inboard.
The utility model discloses a terminal equipment is not only limited to be foretell cell-phone, and it can also be pad, notebook computer, intelligent wearing equipment, intercom and so on.
The above only be the preferred embodiment of the utility model discloses a not consequently restriction the utility model discloses a patent range, all are in the utility model discloses a conceive, utilize the equivalent structure transform of what the content was done in the description and the attached drawing, or direct/indirect application all is included in other relevant technical field the utility model discloses a patent protection within range.
Claims (8)
1. A microphone sealing structure is characterized by comprising a shell, a circuit board, a microphone, a sealing sleeve and a dust screen;
the shell is provided with a through hole;
the circuit board is arranged in the shell;
the microphone is fixed on the circuit board;
the sealing sleeve comprises a sleeve joint part and a plug-in part, the sleeve joint part is arranged around the outside of the microphone and is in sealed fit with the circuit board, the plug-in part is connected in the through hole in a penetrating mode, a sound guide channel is arranged on the sealing sleeve, one end of the sound guide channel is opposite to a sound hole of the microphone, and the other end of the sound guide channel extends to the outer side end face of the plug-in part;
the dustproof net is arranged between the microphone and the sealing sleeve and is positioned between one end of the sound guide channel and the sound hole of the microphone.
2. The microphone sealing structure of claim 1, wherein the housing includes a front shell and a rear shell fixedly connected to the front shell, the through hole is opened in the rear shell, and the circuit board is fixedly connected to the rear shell.
3. The microphone sealing structure according to claim 2, wherein the sleeve portion of the sealing boot includes a lower surface that is in sealing engagement with the circuit board and an upper surface opposite to the lower surface, a concave portion that is recessed upward is provided on the lower surface of the sleeve portion, the microphone is located in the concave portion, and one end of the sound guide channel extends to a top surface of the concave portion and is located directly above a sound hole of the microphone; the front shell is pressed on the upper surface of the sleeving part.
4. The microphone sealing structure of claim 3, wherein the dust screen is located between the top surface of the recess and the microphone.
5. The microphone sealing structure according to claim 4, wherein the dust-proof net is fixed to a surface of the microphone where the sound hole is provided.
6. The microphone sealing structure of claim 4, wherein the dust screen is bonded to a top surface of the recess.
7. The microphone sealing structure according to claim 1, wherein an outer end face of the insertion part is flush with or inside an outer surface of the housing.
8. A terminal device, characterized in that it comprises a microphone sealing structure according to any of claims 1-7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021210103.8U CN212231521U (en) | 2020-06-24 | 2020-06-24 | Microphone sealing structure and terminal equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021210103.8U CN212231521U (en) | 2020-06-24 | 2020-06-24 | Microphone sealing structure and terminal equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212231521U true CN212231521U (en) | 2020-12-25 |
Family
ID=73910251
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021210103.8U Active CN212231521U (en) | 2020-06-24 | 2020-06-24 | Microphone sealing structure and terminal equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212231521U (en) |
-
2020
- 2020-06-24 CN CN202021210103.8U patent/CN212231521U/en active Active
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