CN208190911U - Microphone device - Google Patents
Microphone device Download PDFInfo
- Publication number
- CN208190911U CN208190911U CN201820676365.XU CN201820676365U CN208190911U CN 208190911 U CN208190911 U CN 208190911U CN 201820676365 U CN201820676365 U CN 201820676365U CN 208190911 U CN208190911 U CN 208190911U
- Authority
- CN
- China
- Prior art keywords
- boss
- microphone device
- front cover
- frame
- fixed part
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model provides a kind of microphone device, it includes the frame with accommodating space, the front cover above the frame and the vibrating diaphragm being folded between the frame and the front cover, wherein, which includes vibration section, is connected with the vibration section and the fixed part fixed with the frame and the boss protruded from the fixed part to the front cover；The fixed part includes the lower surface and with the lower surface opposite upper surface fixed with frame fitting, and the lower surface is plane, and the fixed part extends to the frame edge from the vibration section edge；The front cover includes the recess portion to match with the shape of the boss；The boss is embedded in the recess portion.The microphone device of the utility model increases the bonded area of front cover and vibrating diaphragm, the frictional force between vibrating diaphragm and front cover is increased simultaneously, to improve integrally-built stability and not influence integrally-built total height, overall structure is thus optimized, and improve the waterproof performance of product.
Description
[technical field]
The utility model relates to electroacoustic field, a kind of particularly microphone device for improving diaphragm structure.
[background technique]
With the rapid development of electronics and information industry, the trend of electronic product to miniaturization is increasingly apparent, as answering
It necessarily also will be increasingly to miniaturization with microphone device thereon.
In the microphone device of the relevant technologies comprising magnetic circuit system, vibrational system and accommodate the magnetic circuit system and vibration
The auxiliary system of dynamic system, the auxiliary system include at least front cover, which includes vibrating diaphragm, the vibrating diaphragm be conventional structure simultaneously
And include including top dome portion, from the ring portion that the bending of top dome portion extends and the fixed part being connected with the ring portion, the auxiliary system
Frame, vibrating diaphragm are folded between front cover and frame, and the mating surface of front cover and vibrating diaphragm is plane, and pass through glue gluing merely
Together.Then, the microphone device with above structure is unable to satisfy higher waterproofing grade requirement, and there is also front cover
The inadequate situation with vibrating diaphragm cohesive force causes the failure conditions such as leak to occur, and thus reduces the integrally-built stability of product, very
To the acoustical behavior that will affect product.
Therefore, it is necessary to provide a kind of microphone device of new construction.
[utility model content]
To solve the above-mentioned problems, the utility model provides a kind of microphone device comprising the basin with accommodating space
Frame, the front cover above the frame and the vibrating diaphragm being folded between the frame and the front cover, wherein the vibrating diaphragm includes
Vibration section is connected with the vibration section and protrudes with the fixed part of frame fixation and from the fixed part to the front cover convex
Platform；The fixed part includes being bonded fixed lower surface and the upper surface opposite with the lower surface with the frame, described
Fixed part extends to the frame edge from the vibration section edge；The front cover includes matching with the shape of the boss
Recess portion；The boss is embedded in the recess portion.
As an improvement the lower surface is plane.
As an improvement the upper surface of the boss and the vertical distance of the upper surface of the fixed part are less than or equal to
Depth of the recess portion on corresponding direction.
As an improvement the boss includes first plane opposite with the lower surface and first flat from this respectively
The first inclined-plane and the second inclined-plane that face opposite sides extends towards the upper surface.
As an improvement the folder of the angle of first inclined-plane and vertical direction and second inclined-plane and vertical direction
Angle is equal.
As an improvement the boss and the recess portion are adhesively fixed by glue.
As an improvement the vibrating diaphragm includes in layer of silica gel, polyether-ether-ketone layer or thermoplastic polyurethane elastic rubber layer
At least one.
As an improvement the middle section of the fixed part is arranged in the boss.
As an improvement the vibration section include top dome portion and around the top dome portion setting ring portion.
As an improvement the ring portion in racetrack and includes spaced multiple folds in its corner.
The beneficial effect of utility model is:
The utility model increases the faying face of front cover and vibrating diaphragm by the setting of the boss of vibrating diaphragm and the recess portion of front cover
Product, while the frictional force between vibrating diaphragm and front cover is increased, to improve integrally-built stability and not influence overall structure
Total height, thus optimize overall structure, and improve the waterproof performance of product.
[Detailed description of the invention]
Fig. 1 is the floor map of the microphone device of the utility model.
Fig. 2 is the cross-sectional view along Fig. 1 middle line A-A cutting.
Fig. 3 is the stereoscopic schematic diagram of the vibrating diaphragm of the utility model.
[specific embodiment]
The utility model is described in further detail below by specific embodiment combination attached drawing, so as to more preferably
Ground understands the advantages of the embodiment of the utility model and its various aspects.Below in an example, with the right and left of attached drawing paper
To for horizontal direction, using the up and down direction of attached drawing paper as vertical direction.Additionally, it is provided the purpose of following specific embodiments is
Thorough explanation is become apparent from convenient for the content to the utility model, rather than limitations of the present invention.
Referring to FIG. 1, FIG. 2 and FIG. 3, the utility model provides a kind of microphone device, which includes having receiving
The frame 10 in space, the front cover 20 above the frame 10 and the vibrating diaphragm 30 being folded between frame 10 and front cover 20.
In the present embodiment, the fixed part that vibrating diaphragm 30 is connected including vibration section, with the vibration section and fixes with frame 10
33 and the boss 331 that is outwardly protruded from the fixed part 33, wherein vibrating diaphragm 30 is axisymmetric shape and generally rectangular shaped shape；
Vibration section includes top dome portion 31 and around the ring portion 32 of the top dome portion 31 setting, the rounded rectangle in top dome portion 31 or square
Shape, ring portion 32 extend from 31 outward bending of top dome portion, and ring portion 32 is hollow structure and hemispherical；Fixed part 33 include with
It is plane that frame 10, which is bonded fixed lower surface 33b and the upper surface 33a opposite with lower surface 33b, lower surface 33b, Gu
Determine 33 self-excited oscillation portion edge of portion and extends to 10 edge of frame；Front cover 20 includes the recess portion 21 to match with the shape of boss 331, convex
Platform 331 is embedded in the recess portion 21.In addition, ring portion 32 in racetrack and includes spaced multiple folds in its corner
Portion.Referring to figs. 2 and 3.
In addition, frame 10 includes the main part 11 being bonded with vibrating diaphragm 30 and determines from the main part 11 towards 20 projection of front cover
Position column 12, the recess portion that front cover 20 offers the location hole to match with 12 shape of positioning column and matches with 331 shape of boss
21, in the present embodiment, by the insertion of the location fit and boss 331 and recess portion 21 of location hole and positioning column 12 it is fixed with
Realize the combination of frame 10 and front cover 20.
Further, boss 331 is protruded from the upper surface 33b front cover 20 of fixed part 33, is substantially in elliptical ring；Boss
The vertical distance of 331 upper surface and the upper surface of fixed part 33 is less than or equal to depth of the recess portion 21 on corresponding direction；It is convex
The outer contour of platform 331 than fixed part 33 outer contour close to boss 331 central side, it is preferable that the setting of boss 331 is solid
Determine the middle section in portion 33；Boss 331 and positioning column 12 are separated by a distance, and in other words, boss 331 is avoided positioning column 12 and set
It sets.As shown in figure 3, the cross sectional shape of boss 331 is preferably trapezoidal, in the present embodiment, boss 331 includes and fixed part 33
The first opposite plane 332 of lower surface and prolong respectively from the upper surface of the first plane 332 opposite sides towards the fixed part 33
The first inclined-plane 333 and the second inclined-plane 334 stretched, the angle α of first inclined-plane 333 and vertical direction and the second inclined-plane 334 with erect
Histogram to angle β equal (referring specifically to Fig. 2), but the cross sectional shape of boss 331 can also be rectangle or other shapes；It is recessed
Portion 21 and the shape of boss 331 match, which is preferably upside-down trapezoid.
It should be noted that not having for 331 size of boss (including structure height h, angle [alpha] and angle beta and width)
Special limitation can carry out size adjusting according to the waterproof requirement of actual product.Vibrating diaphragm 30 and front cover 20 combination it is flat
Face is provided with boss 331, and recess portion 21 corresponding with boss 331 is arranged in front cover 20, between boss 331 and recess portion 21 there are
The gap of glue is filled, boss 331 is embedded in the recess portion 21 of front cover 20 and carries out for example, by bonding modes such as glue glued.From
It is found that above structure is not in the case where influencing the structure height of product in Fig. 2, the faying face of front cover 20 and vibrating diaphragm 30 is increased
Product, while greatly improving the waterproof performance of product.
In addition, vibrating diaphragm 30 includes layer of silica gel, rubber layer, polyether-ether-ketone (PEEK), thermoplastic polyurethane elastic rubber (TPU)
Or one of other high molecular materials or combinations thereof.
It should be noted that in the present embodiment, the ring portion 32 and fixed part 33 of top dome portion 31 and vibrating diaphragm 30 are point
Body structure and interconnection, therefore, ring portion 32 include the coupling part being connected with top dome portion 31, and but not limited to this,
It can also be integral structure in other embodiment.
Compared with prior art, the utility model is increased by the setting of the boss 331 of vibrating diaphragm 30 and the recess portion 21 of front cover 20
Add the bonded area of front cover 20 Yu vibrating diaphragm 30, while increasing Z-direction (i.e. horizontal direction) between vibrating diaphragm 30 and front cover 20
Frictional force thus optimize overall structure to improve integrally-built stability and not influence integrally-built total height,
And improve the waterproof performance of product.
It should be noted here that for those of ordinary skill in the art, not departing from the concept of the present invention
Under the premise of, various modifications and variations can be made, but these belong to the protection scope of utility model.
Claims (10)
1. a kind of microphone device, which is characterized in that it include the frame with accommodating space, the front cover above the frame with
And be folded in the vibrating diaphragm between the frame and the front cover, wherein the vibrating diaphragm include vibration section, be connected with the vibration section and with
The boss frame fixed fixed part and protruded from the fixed part to the front cover；The fixed part includes and the basin
Frame fitting fixed lower surface and the upper surface opposite with the lower surface, the fixed part extend from the vibration section edge
To the frame edge；The front cover includes the recess portion to match with the shape of the boss；The boss is embedded in described recessed
Portion.
2. microphone device according to claim 1, which is characterized in that the upper surface of the boss is upper with the fixed part
The vertical distance on surface is less than or equal to depth of the recess portion on corresponding direction.
3. according to microphone device as claimed in claim 2, which is characterized in that the lower surface is plane.
4. microphone device according to claim 1, which is characterized in that the boss includes opposite with the lower surface
One plane and the first inclined-plane and the second inclined-plane extended respectively from the first plane opposite sides towards the upper surface.
5. microphone device according to claim 4, which is characterized in that the angle and institute of first inclined-plane and vertical direction
It is equal with the angle of vertical direction to state the second inclined-plane.
6. microphone device according to claim 2, which is characterized in that the boss and the recess portion are bonded admittedly by glue
It is fixed.
7. microphone device according to claim 1, which is characterized in that the vibrating diaphragm include layer of silica gel, polyether-ether-ketone layer or
At least one of thermoplastic polyurethane elastic rubber layer.
8. microphone device according to claim 1, which is characterized in that the central area of the fixed part is arranged in the boss
Domain.
9. microphone device according to claim 1, which is characterized in that the vibration section includes top dome portion and around the ball
The ring portion of top setting.
10. microphone device according to claim 9, which is characterized in that the ring portion is in racetrack and in its corner
Including spaced multiple folds.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820676365.XU CN208190911U (en) | 2018-05-07 | 2018-05-07 | Microphone device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820676365.XU CN208190911U (en) | 2018-05-07 | 2018-05-07 | Microphone device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208190911U true CN208190911U (en) | 2018-12-04 |
Family
ID=64433245
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820676365.XU Expired - Fee Related CN208190911U (en) | 2018-05-07 | 2018-05-07 | Microphone device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208190911U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110248295A (en) * | 2019-06-27 | 2019-09-17 | 歌尔股份有限公司 | Sounding device and electronic equipment |
| CN110267176A (en) * | 2019-06-29 | 2019-09-20 | 瑞声科技(新加坡)有限公司 | Loudspeaker |
| WO2021128085A1 (en) * | 2019-12-25 | 2021-07-01 | 瑞声声学科技(深圳)有限公司 | Acoustic generator |
-
2018
- 2018-05-07 CN CN201820676365.XU patent/CN208190911U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110248295A (en) * | 2019-06-27 | 2019-09-17 | 歌尔股份有限公司 | Sounding device and electronic equipment |
| CN110248295B (en) * | 2019-06-27 | 2021-02-19 | 歌尔股份有限公司 | Sound production device and electronic equipment |
| CN110267176A (en) * | 2019-06-29 | 2019-09-20 | 瑞声科技(新加坡)有限公司 | Loudspeaker |
| WO2021128085A1 (en) * | 2019-12-25 | 2021-07-01 | 瑞声声学科技(深圳)有限公司 | Acoustic generator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181204 Termination date: 20210507 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |