CN214315548U - MIC seal structure and electronic equipment - Google Patents

Abstract

The utility model discloses a MIC seal structure, including the casing that has a sound hole, MIC body and install in the casing and with the mainboard of MIC body coupling, be equipped with sealed gum cover in the casing, the one end of sealed gum cover is equipped with the position sealing connection who goes out the sound hole with the casing, and sealed gum cover sets up the sound passageway of one end and play sound hole intercommunication, and sealed gum cover keeps away from the one end of going out the sound hole and still with mainboard sealing connection and offer the mounting hole that is used for cup jointing MIC body and communicates with the sound passageway. The utility model discloses still disclose an electronic equipment including above-mentioned MIC seal structure. Compared with the prior art, beneficial effect lies in: through setting up the MIC body in sealed gum cover for the MIC body need not other sealing members of reuse and seals alone, and still make the mainboard need not to set up the leading sound hole that is used for sound channel and MIC body intercommunication, thereby can improve the leakproofness of MIC body.

Description

MIC seal structure and electronic equipment

[ technical field ] A method for producing a semiconductor device

The utility model relates to an electronic equipment technical field, specificly relate to a MIC seal structure and electronic equipment.

[ background of the invention ]

At present, electronic equipment such as mobile phones, tablet computers and intelligent bracelets become a part of people's life, and along with the improvement of science and technology and the improvement of standard of living, people also are higher and higher to the requirement of conversation voice quality, in order to improve conversation voice quality among the prior art, except choosing better MIC (Microphone) and optimizing sound processing algorithm for use, improve MIC's sealing performance also very important. However, in the prior art, the MIC sealing rubber sleeve at present adopts a split type sealing structure, that is, the MIC sealing and the sound outlet sealing respectively use one sealing rubber sleeve, so that the structure of the electronic device is complex, the corresponding assembly difficulty is high, and the production cost of the electronic device is affected.

Accordingly, there is a need for an MIC sealing structure and an electronic device that overcome the deficiencies of the prior art.

[ Utility model ] content

The utility model aims at providing a MIC seal structure for the MIC subassembly of sealed electronic equipment aims at simplifying MIC's seal structure, improves electronic equipment's packaging efficiency, and then reduces electronic equipment's manufacturing cost.

In order to realize the above-mentioned purpose, the utility model provides a MIC seal structure, including casing, MIC body that has a sound hole and install in the casing and with the mainboard of MIC body coupling, be equipped with sealed gum cover in the casing, sealed gum cover's one end with the casing is equipped with go out the position sealing connection of sound hole, just sealed gum cover seted up one end with go out the sound passageway of sound hole intercommunication, sealed gum cover keeps away from go out the one end of sound hole still with mainboard sealing connection and offer and be used for cup jointing MIC body and with the mounting hole of sound passageway intercommunication.

As an improvement of the MIC sealing structure of the present invention, the casing is including having go out the backshell of sound hole and with the preceding shell that the backshell lock is connected, preceding shell seted up with go out the accepting groove of sound hole intercommunication, the sealing rubber sleeve place in the accepting groove and will be close to go out the one end pressfitting of sound hole in preceding shell with between the backshell.

As an improvement of the MIC sealing structure of the utility model, the preceding shell is equipped with and encircles the sealing support of accepting groove, the sealing gum cover is close to the one end outside of going out the sound hole is equipped with and is used for sealed first nip portion, the sealing gum cover passes accept behind the sealing support in the accepting groove and with first nip portion pressfitting in the sealing support with between the backshell.

As an improvement of the MIC sealing structure of the present invention, the first press-fit portion deviates from the protruding formation in one side of the sealing bracket is used for the butt the first sealing ring of the rear shell.

As the utility model discloses an improvement of MIC seal structure, be equipped with the step in the accepting groove, the MIC body is close to one side of mainboard is equipped with and encircles the mounting hole is used for sealed second pressfitting portion, second pressfitting portion pressfitting in the mainboard with between the step.

As an improvement of the MIC sealing structure of the present invention, the second press-fit portion is close to the protruding formation in one side of the main board is used for the butt the second sealing ring of the main board.

As an improvement of the MIC sealing structure of the present invention, the outside of the sealing rubber sleeve is provided with at least one stopper, the inner wall of the accommodating groove is provided with a limiting groove matched with the stopper one by one.

As an improvement of the MIC sealing structure of the present invention, the sealing rubber sleeve is embedded with an dustproof net, the dustproof net is embedded with the sound channel close to the one end of the sound hole.

The utility model also provides an electronic equipment including above-mentioned MIC seal structure.

Compared with the prior art, the utility model discloses MIC seal structure and electronic equipment's beneficial effect lies in: through setting up the MIC body in sealed gum cover for the MIC body need not other sealing members of reuse and seals alone, and the MIC body not only itself can form sealing connection between the sealed gum cover after the equipment, makes the mainboard need not to set up the leading sound hole that is used for sound channel and MIC body intercommunication moreover, makes the leakproofness of mainboard also more reliable, thereby can improve the leakproofness of MIC body.

In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.

[ description of the drawings ]

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a three-dimensional exploded view of the MIC seal structure provided by the present invention.

FIG. 2 is a perspective cross-sectional view of the MIC seal structure of FIG. 1.

Fig. 3 is a perspective view of the front case shown in fig. 1.

Fig. 4 is a perspective view of the sealant cap shown in fig. 1.

[ detailed description ] embodiments

In order to make the objects, technical solutions and advantageous technical effects of the present invention more clearly understood, the present invention is further described in detail with reference to the accompanying drawings and the following detailed description. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration only and not by way of limitation.

Please refer to fig. 1 to 4, the utility model provides a MIC seal structure 100, which is used for electronic devices such as mobile phones, tablet computers, portable intelligent terminals, smart bracelets, and is mainly used for simplifying the MIC seal structure of the electronic devices, thereby improving the MIC assembly efficiency and further reducing the production cost of the electronic devices.

The utility model discloses an in the embodiment, MIC seal structure 100 is including the casing 10 that has a sound hole 101, MIC body 20 and install in casing 10 and the mainboard 30 of being connected with MIC body 20, be equipped with sealed gum cover 40 in the casing 10, sealed gum cover 40 can adopt silica gel to make, and the one end of sealed gum cover 40 is equipped with the position sealing connection who goes out sound hole 101 with casing 10, and sealed gum cover 40 sets up one end and the sound passageway 401 that goes out sound hole 101 intercommunication, the one end that sealed gum cover 40 keeps away from sound hole 101 still with mainboard 30 sealing connection and offer the mounting hole 402 that is used for cup jointing MIC body 20 and communicates with sound passageway 401.

It can be understood that the MIC body 20 is disposed in the sealant 40, so that the MIC body 20 does not need to be separately sealed by other sealing members, and the MIC body 20 can be hermetically connected with the sealant 40 after being assembled, and the main board 30 does not need to be provided with a sound guide hole for communicating the sound channel 401 with the MIC body 20, so that the sealing performance of the main board 30 is more reliable, and the sealing performance of the MIC body 20 can be improved.

Further, in an embodiment, the housing 10 includes a rear housing 102 having a sound outlet 101 and a front housing 103 connected to the rear housing 102 in a fastening manner, the front housing 103 is provided with a receiving groove 104 communicating with the sound outlet 101, the sealant sleeve 40 is placed in the receiving groove 104, and one end close to the sound outlet 101 is pressed between the front housing 103 and the rear housing 102, that is, by the pressing effect between the front housing 103 and the rear housing 102, so that the sealant sleeve 40 can seal the portion of the housing 10 provided with the sound outlet 101 through interference fit, the assembling process is simple, the assembling time can be shortened, and the assembling effect can be improved.

In this embodiment, the front housing 103 is provided with a sealing bracket 105 surrounding the receiving slot 104, an outer side of one end of the sealing rubber sleeve 40 close to the sound outlet 101 is provided with a first pressing portion 403 for sealing, the sealing rubber sleeve 40 is received in the receiving slot 104 after passing through the sealing bracket 105, and the first pressing portion 403 is pressed between the sealing bracket 105 and the rear housing 102, which is favorable for sealing the sound outlet 101 on the housing 10.

Preferably, a side of the first press-fit portion 403 facing away from the sealing bracket 105 protrudes to form a first sealing ring 4031 for abutting against the rear shell 102, the first sealing ring 4031 is more easily deformed under the press-fit action between the front shell 103 and the rear shell 102, and thus a sealing effect is more easily generated, and a phenomenon that the sealing effect is not good due to uneven stress between the front shell 103 and the rear shell 102 can be avoided.

Further, in an embodiment, the sealing rubber sleeve 40 is provided with a second pressing portion 404 surrounding the mounting hole 402 and used for sealing, and correspondingly, a step 1041 for bearing the second pressing portion 404 is disposed in the accommodating groove 104 of the front case 103, so that the second pressing portion 404 can be pressed on the step 1041 after the motherboard 30 is mounted on the front case 103, that is, the sealing rubber sleeve 40 and the motherboard 30 form a sealing connection by pressing the second pressing portion 404 between the motherboard 30 and the step 1041, so that not only the sealing effect is good, but also the MIC body 20 does not need to bear a pressing force between the motherboard 30 and the step 1041, and the MIC body 20 can be prevented from being crushed when being mounted.

In this embodiment, a second sealing ring 4041 for abutting against the main board 30 is formed by protruding one side of the second pressing portion 404 close to the main board 30, and the action principle of the second sealing ring 4041 is the same as that of the first sealing ring 4031, and is not described herein again.

Further, in an embodiment, at least one limiting block 405 is disposed on an outer side of the rubber sealing sleeve 40, and correspondingly, the front shell 103 is provided with limiting grooves 1042 which are matched with the limiting blocks 405 one by one on an inner wall of the accommodating groove 104, so that the rubber sealing sleeve 40 is more stably and accurately installed in the accommodating groove 104 by matching the limiting grooves 1042 with the limiting blocks 405, and the fixing effect of the rubber sealing sleeve 40 in the accommodating groove 104 can be improved.

It can be stated here that, because the sealant sleeve 40 is made of softer silicone, the sealant sleeve 40 is easily deformed during the installation process, and whether the sealant sleeve 40 is installed in place can be accurately determined by matching the limiting groove 1042 with the limiting block 405, so that the assembly efficiency can be improved.

In this embodiment, the limiting blocks 405 are disposed on the second pressing portion 404, the number of the limiting blocks 405 is two and are respectively located at two sides of the second pressing portion 404, and a guiding inclined plane 4051 is further disposed at one side of the limiting blocks 405 away from the first pressing portion 403, so as to facilitate the sealing rubber sleeve 40 to be installed in the accommodating groove 104.

Further, in an embodiment, the sealing rubber sleeve 40 is further embedded with a dust-proof net 406, the dust-proof net 406 is embedded at an end of the sound channel 401 close to the sound outlet hole 101, and the dust-proof net 406 is used for preventing foreign matters from entering the sound channel 401 from the sound outlet hole 101, so as to ensure that the sound quality of the MIC body 20 is not affected.

Preferably, the dust screen 406 is disposed in the sealing bracket 105, so that the sealing bracket 105 can also protect the dust screen 406, so that other components in the housing 10 cannot be pressed against the dust screen 406, and the dust screen 406 can be prevented from falling off or deforming due to external force during installation.

To sum up, the utility model provides a MIC seal structure 100 is through setting up MIC body 20 in sealed gum cover 40 for MIC body 20 need not other sealing members of reuse and seals alone, and MIC body 20 not only itself can form sealing connection between the sealed gum cover 40 after the equipment, make mainboard 30 need not to set up the leading sound hole that is used for sound passageway 401 and MIC body 20 intercommunication moreover, make mainboard 30's leakproofness also more reliable, thereby can improve MIC body 20's leakproofness.

The utility model provides an electronic equipment including above-mentioned MIC seal structure 100, this electronic equipment pass through MIC seal structure 100 for go out sound hole 101 on the electronic equipment and MIC body 20 can just can accomplish through a sealed gum cover 40 and seal, and not only sealed effect is better, and seal structure is simpler moreover, can effectively reduce the equipment time, thereby improves electronic equipment's equipment effect and reduces electronic equipment's manufacturing cost.

The invention is not limited solely to that described in the specification and the embodiments, and additional advantages and modifications will readily occur to those skilled in the art, and it is not intended to be limited to the specific details, representative apparatus, and illustrative examples shown and described herein, without departing from the spirit and scope of the general concept as defined by the appended claims and their equivalents.

Claims (9)

1. The MIC sealing structure is characterized in that a sealing rubber sleeve is arranged in the shell, one end of the sealing rubber sleeve is connected with the part of the sound hole in a sealing mode, the sealing rubber sleeve is provided with a sound channel, one end of the sealing rubber sleeve is far away from the sound hole, the main plate is connected in a sealing mode, and the mounting hole is used for being sleeved with the MIC body and communicated with the sound channel.

2. The MIC sealing structure of claim 1, wherein the case includes a rear case having the sound outlet hole and a front case fastened to the rear case, the front case defines an accommodating groove communicating with the sound outlet hole, and the sealant sleeve is placed in the accommodating groove and presses an end close to the sound outlet hole between the front case and the rear case.

3. A MIC sealing arrangement according to claim 2, wherein: the front shell is provided with a sealing support surrounding the accommodating groove, a first pressing portion for sealing is arranged on the outer side of one end, close to the sound outlet hole, of the sealing rubber sleeve, the sealing rubber sleeve penetrates through the sealing support and is accommodated in the accommodating groove, and the first pressing portion is pressed between the sealing support and the rear shell.

4. A MIC sealing arrangement according to claim 3, wherein: and a first sealing ring used for abutting against the rear shell is formed by the protrusion of one side of the first pressing part, which deviates from the sealing support.

5. A MIC sealing arrangement according to claim 3, wherein: the MIC body is provided with a mounting hole for mounting the MIC body, a step is arranged in the accommodating groove, one side of the MIC body close to the main board is provided with a second pressing part which surrounds the mounting hole and is used for sealing, and the second pressing part is pressed between the main board and the step.

6. A MIC seal arrangement according to claim 5, wherein: and a second sealing ring used for abutting against the main board is formed by the protrusion of one side of the second pressing part, which is close to the main board.

7. A MIC sealing arrangement according to claim 3, wherein: the outside of sealed gum cover is equipped with at least one stopper, be equipped with on the inner wall of accepting groove with stopper one-to-one complex spacing groove.

8. A MIC sealing arrangement according to claim 1, wherein: the sealing rubber sleeve is internally embedded with a dustproof net, and the dustproof net is embedded in one end, close to the sound outlet, of the sound channel.

9. An electronic device, characterized in that: comprising a MIC sealing arrangement according to any one of claims 1 to 8.

Images