CN208638711U - Microphone device - Google Patents
Microphone device Download PDFInfo
- Publication number
- CN208638711U CN208638711U CN201821304612.XU CN201821304612U CN208638711U CN 208638711 U CN208638711 U CN 208638711U CN 201821304612 U CN201821304612 U CN 201821304612U CN 208638711 U CN208638711 U CN 208638711U
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- CN
- China
- Prior art keywords
- clamping plate
- side wall
- frame
- microphone device
- body 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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- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Abstract
The utility model discloses a kind of microphone device, it includes frame and the magnetic circuit system for being fixed on the frame, the frame includes side wall and is embedded the clamping plate for being fixed on the side wall, the clamping plate includes body part, the body part includes the medial surface close to the magnetic circuit system, the lateral surface being oppositely arranged with the medial surface, connect the bottom surface and top surface of the medial surface and the lateral surface, the bottom surface, which is oppositely arranged and is abutted with the top surface, is fixed on the side wall, the clamping plate further includes two and is respectively arranged at the long axis direction both ends of the body part and is recessed by the inside towards the lateral surface and form container.Compared with the relevant technologies, the microphone device acoustical behavior of the utility model is good and high reliablity.
Description
[technical field]
The utility model relates to electroacoustic conversion art more particularly to a kind of acoustical generators for applying to portable electronic product
Part.
[background technique]
With the arrival of mobile internet era, the quantity of Intelligent mobile equipment constantly rises.And in numerous mobile devices
Among, mobile phone is undoubtedly most common, most portable mobile terminal device.Currently, the function of mobile phone is extremely various, one of them is just
It is the music function of high-quality, therefore, the microphone device for playing sound is widely applied Intelligent mobile equipment till now
Among.
The microphone device of the relevant technologies includes the frame surrounded by side wall and the magnetic circuit system for being fixed on frame, institute
Frame is stated to include side wall and be embedded the clamping plate for being fixed on the side wall, the side wall include two the first side walls being oppositely arranged and
Two second sidewalls being oppositely arranged, the length of the first side wall are greater than the length of second wall, and the clamping plate is embedded solid
Due to the first side wall.
However, the clamping plate is fixed in the frame by injection molding, in the basin in the microphone device of the relevant technologies
When frame is molded, the clamping plate is placed in a mold；Since there are fit clearances for the clamping plate and mold, so when injection molding, it is described
Plastics flash can be had more along the interior direction of the first side wall at clamping plate and plastics bonding gap, to influence the magnetic gap
Size influences product pure tone.
Therefore, it is really necessary to provide a kind of new microphone device solution above-mentioned technical problem.
[utility model content]
The purpose of the utility model is to overcome above-mentioned technical problem, provide that a kind of acoustical behavior is good and the sounding of high reliablity
Device.
The utility model provides a kind of microphone device comprising frame and the magnetic circuit system for being fixed on the frame, it is described
Frame includes side wall and is embedded the clamping plate for being fixed on the side wall, and the clamping plate includes body part, and the body part includes close
The medial surface of the magnetic circuit system, connect the medial surface and the lateral surface at the lateral surface being oppositely arranged with the medial surface
Bottom surface and top surface, the bottom surface, which is oppositely arranged and is abutted with the top surface, is fixed on the side wall, and the clamping plate further includes two
A long axis direction both ends for being respectively arranged at the body part and it is recessed by the inside towards the lateral surface and forms container.
Preferably, the clamping plate further includes two extended respectively to the side wall from the long axis direction both ends of the body part
A reinforcement part, the reinforcement part are embedded at completely in the side wall.
Preferably, the clamping plate is made of stainless steel or carbon steel material.
Preferably, the frame is in rectangle, and the clamping plate includes two and be individually fixed in the frame be parallel to it
Two side walls of long axis.
Preferably, the side wall and the clamping plate are integrated injection molding.
Compared with prior art, the frame of the microphone device of the utility model passes through injection molding manner and the clamping plate shape
At fixation, when injection molding the clamping plate and plastics bonding gap at plastics hair can be had more on the inside of the long axis direction of the side wall
Side, by the clamping plate the long axis direction both ends of the body part be equipped with the container, and by extra filling plastic in
The container, the structure avoid extending to the magnetic circuit system direction and occupying magnetic gap space, guarantee the microphone device
Sound quality it is pure.
[Detailed description of the invention]
It, below will be to required in embodiment description in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing to be used is briefly described, it should be apparent that, the accompanying drawings in the following description is only some realities of the utility model
Example is applied, it for those of ordinary skill in the art, without creative efforts, can also be according to these attached drawings
Obtain other attached drawings, in which:
Fig. 1 is the schematic perspective view of the utility model microphone device；
Fig. 2 is the part isometric structural decomposition diagram of the utility model microphone device；
Fig. 3 is the frame and clamping plate assembling structure schematic diagram of the utility model microphone device.
[specific embodiment]
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describing, it is clear that described embodiment is only a part of the embodiment of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
All other embodiment obtained, fall within the protection scope of the utility model.
Please join shown in Fig. 1-3 simultaneously, the utility model provides a kind of microphone device 100, including frame 1, vibrational system 2,
Magnetic circuit system 3 and front cover 4.
The frame 1 includes side wall 11 and is embedded the clamping plate 12 for being fixed on the side wall 11.In present embodiment, the basin
Frame 1 surrounds main structure by the side wall 11, and the clamping plate 12 can be embedded at the top surface of the side wall 11, can also be embedded at described
The bottom surface of side wall 11, this be all it is feasible, purpose is provided to reinforce the structural strength of the frame 1.
The frame 1 is surrounded by the side wall 11.In present embodiment, the frame 1 is in rectangular configuration, the side wall 11
Including two the first side walls 111 being oppositely arranged and two second sidewalls 112 being oppositely arranged, the first side wall 111 and institute
It states second sidewall 112 and surrounds the frame 1 jointly, the length of the first side wall 111 is greater than the length of second wall 112.
The clamping plate 12 includes two and is individually fixed in two side walls for being parallel to its long axis of the frame 1
11.The clamping plate 12 is integrated injection molding with the side wall 11.The clamping plate 12 is made of stainless steel or carbon steel material, the material
Material not only reinforces the structural strength of the frame 1.
Specifically, the clamping plate 12 includes body part 121, reinforcement part 122 and container 120.
The body part 121 includes setting relatively close to the medial surface 1211 of the magnetic circuit system 3, with the medial surface 1211
The bottom surface 1213 and top surface 1214 of the lateral surface 1212, the connection medial surface 1211 and the lateral surface 1212 set, the bottom
Face 1213, which is oppositely arranged and is abutted with the top surface 1214, is fixed on the side wall 11.
The reinforcement part 122 is two and is prolonged respectively to the side wall 11 from the long axis direction both ends of the body part 121
It stretches.The reinforcement part 122 is embedded at completely in the side wall 11.It is more firm that the structure combines the clamping plate 12 with the side wall 11
Gu reinforcing the structural strength of the frame 1
The container 120 is two and is respectively arranged at the long axis direction both ends of the body part 121 and by the inside
Face 1211 is recessed to the lateral surface 1212 and is formed.Extra filling plastic when injection molding close to 11 inside of side wall is in described
Container 120.Specifically, the clamping plate 12 is fixed in the frame 1 by injection molding, it is described in the frame 1 injection molding
Clamping plate 12 is placed in a mold, has more filling plastic in the container 120 at the clamping plate 12 and plastics bonding gap；Production
When assembly, the burr that the junction of the first side wall 111 and the container 120 is formed is extended in the container 120,
It avoids extending to 3 direction of magnetic circuit system and occupying magnetic gap space, be imitated so as to improve the pure tone of the microphone device 100
Fruit.
The vibrational system 2 and the magnetic circuit system 3 are fixedly supported to the side wall 11 of the frame 1, the vibration respectively
System 2 and the magnetic circuit system 3 generate electromagnetic field for driving 2 vibration sounding of vibrational system jointly.
The vibrational system 2 includes the vibrating diaphragm 21 for being fixed on the frame 1 and the sound for driving 21 vibration sounding of vibrating diaphragm
Circle 22.
The magnetic circuit system 3 includes being fixed on the magnetic yoke 31 of the frame 1 and being fixed on the main magnet steel 32 of the magnetic yoke 31
And secondary magnet steel 33.The pair magnet steel 33 is around the main magnet steel 32 and is spaced setting, forms magnetic gap (not labeled), the voice coil
22 plug and are suspended in the magnetic gap.If the clamping plate 12 forms modeling in the interior direction close to the first side wall 111
Expect flash, the clearance space of the magnetic gap will be directly influenced, to keep the magnetic field of the magnetic circuit system 3 unbalanced, directly
Cause 100 sound of microphone device impure.
The lid of front cover 4, which sets to be fixed on the frame 1 and press, is set to the vibrating diaphragm 21, is used to form sounding channel.
Compared with prior art, the frame of the microphone device of the utility model passes through injection molding manner and the clamping plate shape
At fixation, when injection molding the clamping plate and plastics bonding gap at plastics hair can be had more on the inside of the long axis direction of the side wall
Side, by the clamping plate the long axis direction both ends of the body part be equipped with the container, and by extra filling plastic in
The container, the structure avoid extending to the magnetic circuit system direction and occupying magnetic gap space, guarantee the microphone device
Sound quality it is pure.
The above description is only the embodiments of the present invention, and therefore it does not limit the scope of the patent of the utility model, all
Equivalent structure or equivalent flow shift made based on the specification and figures of the utility model, is applied directly or indirectly in
Other relevant technical fields, are also included in the patent protection scope of the utility model.
Claims (5)
1. a kind of microphone device comprising frame and the magnetic circuit system for being fixed on the frame, the frame include side wall and embedding
If being fixed on the clamping plate of the side wall, the clamping plate includes body part, and the body part includes close to the interior of the magnetic circuit system
Side, the lateral surface being oppositely arranged with the medial surface, the bottom surface and top surface for connecting the medial surface and the lateral surface, it is described
Bottom surface, which is oppositely arranged and is abutted with the top surface, is fixed on the side wall, which is characterized in that the clamping plate further includes two difference
It is set to the long axis direction both ends of the body part and is recessed by the inside towards the lateral surface and form container.
2. microphone device according to claim 1, which is characterized in that the clamping plate further includes by the long axis of the body part
Two reinforcement parts that direction both ends extend to the side wall respectively, the reinforcement part are embedded at completely in the side wall.
3. microphone device according to claim 1, which is characterized in that the clamping plate is made of stainless steel or carbon steel material.
4. microphone device according to claim 1, which is characterized in that the frame is in rectangle, and the clamping plate includes two
And it is individually fixed in two side walls for being parallel to its long axis of the frame.
5. microphone device according to claim 1, which is characterized in that the side wall is integrated with the clamping plate and is molded into
Type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821304612.XU CN208638711U (en) | 2018-08-14 | 2018-08-14 | Microphone device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821304612.XU CN208638711U (en) | 2018-08-14 | 2018-08-14 | Microphone device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208638711U true CN208638711U (en) | 2019-03-22 |
Family
ID=65743177
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821304612.XU Expired - Fee Related CN208638711U (en) | 2018-08-14 | 2018-08-14 | Microphone device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208638711U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110381424A (en) * | 2019-06-26 | 2019-10-25 | 瑞声科技(新加坡)有限公司 | Microphone device |
-
2018
- 2018-08-14 CN CN201821304612.XU patent/CN208638711U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110381424A (en) * | 2019-06-26 | 2019-10-25 | 瑞声科技(新加坡)有限公司 | Microphone device |
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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: 20190322 Termination date: 20210814 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |