CN103686551B - Microphone device - Google Patents
Microphone device Download PDFInfo
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- CN103686551B CN103686551B CN201310629000.3A CN201310629000A CN103686551B CN 103686551 B CN103686551 B CN 103686551B CN 201310629000 A CN201310629000 A CN 201310629000A CN 103686551 B CN103686551 B CN 103686551B
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- frame
- trip
- shell
- side wall
- buckle
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Abstract
The invention discloses a kind of microphone device, including vibrational system, magnetic circuit system, and house the shell of the fixed vibrational system and the magnetic circuit system；Magnetic circuit system includes magnet and the frame with magnet secure bond, and frame includes bottom wall and side wall, wherein, frame is combined with the shell buckle, and the upper side end of frame side wall is provided with the position for corresponding to trip on trip, shell provided with the buckle position coordinated with trip；Position on shell corresponding to frame side wall is provided with the avoiding structure for the avoidance frame side wall for going material to be formed.The present invention sets trip on the side wall of frame, and the position corresponding with trip sets buckle position on shell, shell is firmly combined as a whole with frame, so as to improve the stability of product；Further, since the position that shell corresponds to frame side wall is provided with the avoiding structure for going material to be formed, so as to increase the volume of magnetic circuit system, the magnetic property of product is improved.
Description
Technical field
The present invention relates to electro-acoustic product technical field, more particularly to a kind of microphone device.
Background technology
In the prior art, microphone device includes vibrational system, magnetic circuit system, and houses fixed vibrational system and magnetic circuit system
The shell of system；The vibrational system includes vibrating diaphragm and is incorporated into the voice coil loudspeaker voice coil of vibrating diaphragm side, and the magnetic circuit system includes combining successively
Magnet and frame, frame includes bottom wall and side wall, and magnet is incorporated on the bottom wall of frame.The frame of traditional structure microphone device
The mode secure bond bonded with shell typically by gluing, it is this to make the side of frame and shell secure bond by colloid
The time of formula colloid solidification is longer, more sensitive to temperature and humidity requirement, is easily produced bad with reference to insecure.And this
It is typically the combination between frame side wall and side wall of outer shell to plant combination, and this combination side wall of outer shell is also required to take sky
Between, it is unfavorable for increasing the volume of magnetic circuit system, so as to be unfavorable for improving the magnetic property of product.Therefore, it is necessary to this structure
Microphone device be improved, to avoid drawbacks described above.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of microphone device, and shell and frame can be made firmly to combine
It is integrated, improves the stability of product, and the volume of magnetic circuit system can be increased, improves the magnetic property of product.
In order to solve the above technical problems, the technical scheme is that：A kind of microphone device, including vibrational system, magnetic circuit
System, and house the shell of the fixed vibrational system and the magnetic circuit system；The magnetic circuit system include magnet and with institute
The frame of magnet secure bond is stated, the frame includes bottom wall and side wall, wherein, the frame is combined with the shell buckle,
The upper side end of frame side wall is provided with trip, and the position of the trip is corresponded on the shell provided with matching somebody with somebody with the trip
The buckle position of conjunction；Position on the shell corresponding to frame side wall, which is provided with, removes the avoidance frame side wall for expecting formation
Avoiding structure.
Furthermore it is preferred that scheme be that the shell includes the outer cover body portion of rectangular ring, and positioned at the straight-flanked ring
Four support arms of shape outer cover body subordinate's side corner sections, the support arm extends to the direction away from vibrating diaphragm；The support arm it
Between space formed avoid frame side wall avoiding structure.
Furthermore it is preferred that scheme be that the upper end of the trip is the bulge-structure that level extends to both sides, bulge-structure
Downside be indent concave inward structure；The support arm is provided with to close to the raised institute in trip side close to the side of the trip
Buckle position is stated, trip is located at the upside of buckle position with buckle position buckle combination rear projection structure, and buckle position is located at institute
State in concave inward structure.
Furthermore it is preferred that scheme be that the upper side corner sections of the trip and the lower side corner sections of buckle position are equipped with material
The guide part of the arcuate structure of formation.
Furthermore it is preferred that scheme be that the frame bottom wall is rectangular configuration, and frame side wall is along the frame bottom wall four
The edge on bar side extends to be formed, and has gap between four frame side walls；One of which or two groups of relative frame side walls
End be provided with the buckle end.
After adopting the above technical scheme, compared with traditional structure, the present invention sets trip on the side wall of frame, in shell
The upper position corresponding with trip sets buckle position, frame and shell secure bond by way of buckle, makes shell and frame
Firmly it is combined as a whole, so as to improve the stability of product；Further, since the position that shell corresponds to frame side wall is provided with
The avoiding structure for going material to be formed, so as to increase the volume of magnetic circuit system, improves the magnetic property of product.
Brief description of the drawings
By the way that present invention is described below in conjunction with the accompanying drawings, features described above of the invention and technological merit will become more
Plus understand and be readily appreciated that.
Fig. 1 is the dimensional decomposition structure diagram one of microphone device of the present invention；
Fig. 2 is the dimensional decomposition structure diagram two of microphone device of the present invention；
Fig. 3 is the dimensional structure diagram of microphone device of the present invention；
Fig. 4 is the side view diagram of microphone device described in Fig. 3.
Embodiment
Further detailed description is done to the present invention with specific embodiment below in conjunction with the accompanying drawings.
As shown in Figures 1 to 4, microphone device includes vibrational system, magnetic circuit system and houses fixed vibrational system, magnetic circuit system
The shell 1 of system.Wherein vibrational system includes vibrating diaphragm 21 and is incorporated into the voice coil loudspeaker voice coil 22 of the side of vibrating diaphragm 21；Magnetic circuit system includes tying successively
Washer 31, magnet 32 and the frame 33 of conjunction, frame 33 include side wall and bottom wall 330, and washer 31 and magnet 32 are incorporated into frame 33
Bottom wall on.Voice coil loudspeaker voice coil 22 is electrically connected with the external circuit of terminal electronics, and the working condition of voice coil loudspeaker voice coil 22 is controlled by external circuit,
Voice coil loudspeaker voice coil 22 is connected after electric signal, the stress up-down vibration in the magnetic gap of magnetic circuit system formation, is further driven to vibrating diaphragm 21 and is vibrated
So as to produce sound.Microphone device of the present invention can be that loudspeaker monomer can also be loudspeaker module, and shell 1 can be monomer
Shell, or with the shell of the secure bond of frame 33 in module, within the scope of the present invention.
Frame 33 of the present invention is rectangular configuration, including bottom wall 330 and four sides on four sides of rectangular bottom wall 330
Wall：Positioned at two relative major axis in upper major axis side wall 331 and during positioned at two relative short axle on short axle side wall 332.Wherein
Major axis side wall 331 and short axle side wall 332 are the structure perpendicular to bottom wall 330, and the position that bottom wall 330 and four side walls are connected is set
There is chamfering structure.Shell 1 includes the outer cover body portion 10 of rectangular configuration, and outer cover body portion 10 is the cyclic structure of rectangle, thereon
Side is combined with the lower edge of vibrating diaphragm 21；Four corners of the downside in outer cover body portion 10 are additionally provided with four support arms 11, branch
Brace 11 is to close to the side of frame 33 (i.e. the side away from vibrating diaphragm 21) extension.
It is preferred that, frame 33 of the present invention and shell 1 are the structure that buckle is combined, two short axle side walls 332 of frame 33 it is upper
End is provided with trip 3320, and the inner side of support arm 11 is provided with what is coordinated with trip 3320 close to the position of the short axle side wall 332 of frame 33
Screens portion 110.When frame 33 is assembled with shell 1, applying pressure to frame 33 squeezes the trip 3320 of the upper end of two short axle side wall 332
The position of buckle position 110 is pressed onto, trip 3220 is engaged with buckle position 110.Wherein buckle position 110 is to close to short axle side wall
332 raised structures；The upper end of trip 3320 includes two bulge-structures extended respectively to horizontal direction, bulge-structure
Downside is respectively equipped with concave inward structure；After frame 33 is combined with the buckle of shell 1, bulge-structure is located at the upside of buckle position 110, buckle
Position 110 is located in concave inward structure, as shown in Figure 3 and Figure 4.In addition, for the ease of trip 3220 and the buckle knot of buckle position 110
Close, the lower side corner sections in upper side corner sections and the buckle position 110 of trip 3220 are equipped with the guide part for the arc that material is formed.It is this
The position touched first when trip 3220 and buckle position 110 are combined sets the structure of guide part, is conducive to trip 3220
Upper surface, which is slipped over, to be snapped fit onto behind the lower surface of buckle position 110 on buckle position 110.
Frame 33 of the present invention and shell 1 buckle and secure bond by way of non-adherent, make magnetic circuit system be not easy from
Come off in shell 1, so that the firmness that magnetic circuit system is combined with shell 1 is improved, so as to improve the stability of product.And
And this structure need not reserve the structures such as gluing position, assembly technology is simple.
, can also be by major axis side additionally, this invention is not limited to the structure that this short axle side wall 332 is combined with the buckle of shell 1
Wall 331 is combined with the buckle of shell 1, or short axle side wall 332 and major axis side wall 331 are fixed with shell 1 by way of buckle
With reference to the strong bonded of achievable magnetic circuit system and shell 1, it is ensured that the stability of product.Above-mentioned improvement project also exists
In protection scope of the present invention.
The position that shell 1 of the present invention corresponds to the side wall of frame 33 is the avoiding structure that material is formed, the side wall of frame 33 it
Between be provided with gap, support arm 11 be located at frame side wall between gap in.This shell 1 does not have the structure of side wall, makes frame
33 side wall, which can stretch out, takes the space of the side wall of shell 1 in traditional product, so as to increase the size of magnetic circuit system,
Improve the magnetic property of product.
Under the above-mentioned teaching of the present invention, those skilled in the art can carry out others on the basis of above-described embodiment
Improve and deform, it can also be circular configuration that the structure of such as frame and shell, which is not limited to rectangle, and these are improved and are deformed, and are all fallen
Within the scope of the present invention, it will be understood by those skilled in the art that above-mentioned specific descriptions are preferably to explain this hair
Bright purpose, protection scope of the present invention is limited by claim and its equivalent.
Claims (3)
1. a kind of microphone device, including vibrational system, magnetic circuit system, and house the fixed vibrational system and the magnetic circuit system
The shell of system；The magnetic circuit system includes magnet and the frame with the magnet secure bond, and the frame includes bottom wall and side
Wall, it is characterised in that
The frame is combined with the shell buckle, and the upper side end of frame side wall is provided with correspondence on trip, the shell
The buckle position coordinated with the trip is provided with the position of the trip；The frame passes through the trip and institute with the shell
Stating buckle position, secure bond is integrated in a snap-in manner；
Position on the shell corresponding to frame side wall is provided with the avoidance knot for the avoidance frame side wall for going material to be formed
Structure；
The shell includes the outer cover body portion of rectangular ring, and positioned at rectangular ring outer cover body subordinate's side corner sections
Four support arms, the support arm extends to the direction away from vibrating diaphragm；
Space between the support arm forms the avoiding structure for avoiding frame side wall；
The upper end of the trip is the bulge-structure that level extends to both sides, and the downside of bulge-structure is the indent knot of indent
Structure；
The support arm is provided with to close to the raised buckle position in trip side close to the side of the trip, trip with it is described
Buckle position buckle combination rear projection structure is located at the upside of buckle position, and buckle position is located in the concave inward structure.
2. microphone device according to claim 1, it is characterised in that the upper side corner sections of the trip and buckle position
Lower side corner sections are equipped with the guide part for the arcuate structure that material is formed.
3. microphone device according to claim 2, it is characterised in that the frame bottom wall is rectangular configuration, the frame
Edge of the side wall along the frame bottom wall four edges extends to be formed, and has gap between four frame side walls；
The end of one of which or two groups of relative frame side walls is provided with the trip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310629000.3A CN103686551B (en) | 2013-11-28 | 2013-11-28 | Microphone device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310629000.3A CN103686551B (en) | 2013-11-28 | 2013-11-28 | Microphone device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103686551A CN103686551A (en) | 2014-03-26 |
| CN103686551B true CN103686551B (en) | 2017-09-29 |
Family
ID=50322590
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310629000.3A Active CN103686551B (en) | 2013-11-28 | 2013-11-28 | Microphone device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103686551B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103957487B (en) * | 2014-04-30 | 2018-07-27 | 歌尔股份有限公司 | Side is spoken loud speaker module |
| CN104105038B (en) * | 2014-07-17 | 2017-09-22 | 歌尔股份有限公司 | The assemble method of loudspeaker module and the loudspeaker module |
| US10123124B2 (en) | 2014-12-25 | 2018-11-06 | Goertek Inc. | Miniature loudspeaker |
| CN105657618B (en) * | 2016-03-21 | 2019-06-07 | 歌尔股份有限公司 | A kind of loudspeaker module casing and the manufacturing method for loudspeaker module casing |
| CN106101953A (en) * | 2016-07-18 | 2016-11-09 | 瑞声科技(新加坡)有限公司 | Loudspeaker assembly |
| CN208424760U (en) * | 2018-12-19 | 2019-01-22 | 瑞声光电科技(常州)有限公司 | Loudspeaker |
| CN111677862A (en) * | 2020-06-19 | 2020-09-18 | 苏州东风精冲工程有限公司 | Be applicable to DCT gearbox integral type injection moulding magnet subassembly |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202488675U (en) * | 2011-12-30 | 2012-10-10 | 歌尔声学股份有限公司 | Electroacoustic transducer |
| CN203301735U (en) * | 2013-06-14 | 2013-11-20 | 歌尔声学股份有限公司 | A micro loudspeaker |
| CN203590433U (en) * | 2013-11-28 | 2014-05-07 | 歌尔声学股份有限公司 | Sound production device |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7587059B2 (en) * | 2003-08-26 | 2009-09-08 | Wright Doug S | Snap-in and lock baffle |
| JP2005086760A (en) * | 2003-09-11 | 2005-03-31 | Star Micronics Co Ltd | Speaker |
-
2013
- 2013-11-28 CN CN201310629000.3A patent/CN103686551B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202488675U (en) * | 2011-12-30 | 2012-10-10 | 歌尔声学股份有限公司 | Electroacoustic transducer |
| CN203301735U (en) * | 2013-06-14 | 2013-11-20 | 歌尔声学股份有限公司 | A micro loudspeaker |
| CN203590433U (en) * | 2013-11-28 | 2014-05-07 | 歌尔声学股份有限公司 | Sound production device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103686551A (en) | 2014-03-26 |
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Address after: 261031 Dongfang Road, Weifang high tech Industrial Development Zone, Shandong, China, No. 268 Applicant after: Goertek Inc. Address before: 261031 Dongfang Road, Weifang high tech Industrial Development Zone, Shandong, China, No. 268 Applicant before: Goertek Inc. |
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