CN202488687U - Acoustical generator - Google Patents
Acoustical generator Download PDFInfo
- Publication number
- CN202488687U CN202488687U CN2012200542073U CN201220054207U CN202488687U CN 202488687 U CN202488687 U CN 202488687U CN 2012200542073 U CN2012200542073 U CN 2012200542073U CN 201220054207 U CN201220054207 U CN 201220054207U CN 202488687 U CN202488687 U CN 202488687U
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- China
- Prior art keywords
- acoustical generator
- voice coil
- shell
- elastomer
- magnetic
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- 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.)
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Abstract
The utility model discloses an acoustical generator which comprises a metal housing shaped as a barrel with an opening in one end, a vibrating system and a magnetic circuit system, wherein the vibrating system comprises a vibrating membrane and a voice coil; the magnetic circuit system comprises a washer, a magnet and a magnetic conduction plate which are sequentially combined, a magnetic gap corresponding to the voice coil is formed by the magnetic circuit system, the metal housing and the magnetic conduction plat form an external frame of the acoustical generator, the housing is fixedly assembled with the magnetic conduction plate; and an elastomer is arranged between the vibrating system and the bottom of the housing. Due to the design, parts inside the acoustical generator are further modularized, thus the design of the acoustical generator is simplified; and meanwhile, the strength of the acoustical generator can be further enhanced, and the firmness of the acoustical generator is improved.
Description
Technical field
The utility model relates to the electroacoustic field, concrete relates to a kind of acoustical generator.
Background technology
Along with the development of portable type electronic products such as mobile phone, notebook, a large amount of electricity-sonic transducer spares, particularly acoustical generator have obtained using widely.The acoustical generator of traditional structure generally comprises the shell of vibrational system, magnetic circuit system and fixing said vibrational system and magnetic circuit system, on shell, also is provided with protecgulum, and wherein shell is generally plastic casing, and magnetic circuit system is through the form fix of bonding or injection moulding.
The acoustical generator of this traditional structure, the assembling of each parts is relatively independent, and the production technology of product is comparatively complicated; And on the short transverse of product, through the form fix of a glue or the injection moulding of plastic casing one, the product fastness is not strong successively for parts.
So, be necessary the acoustical generator structure of traditional structure is further improved, to avoid above-mentioned defective.
The utility model content
The utility model technical problem to be solved is: a kind of acoustical generator is provided, can makes the further modularization of inner body of acoustical generator, simplify the design of product; Simultaneously, can further strengthen the product strength of acoustical generator, improve the firm degree of product.
To achieve these goals, the acoustical generator that the utility model provides comprises: metal shell is the tubbiness of an end opening; Vibrational system, said vibrational system comprises vibrating diaphragm and voice coil loudspeaker voice coil; Magnetic circuit system comprises the washer, magnet and the magnetic conductive board that combine successively, and said magnetic circuit system forms the magnetic gap of corresponding said voice coil loudspeaker voice coil; Said metal shell and said magnetic conductive board form the external frame of said acoustical generator, and said shell and the fixing assembling of said magnetic conductive board; Be provided with elastomer between said vibrational system and the said outer casing bottom.
As a kind of improvement, said shell is provided with the transition deep gouge near the bottom of sidewall, and said elastomer is arranged in the said transition deep gouge.
As a kind of improvement, be provided with first strutting piece between said vibrational system and the said outer casing bottom, said first strutting piece is provided with detent, the corresponding fixing said elastomer of said detent.
As a kind of improvement, be provided with second strutting piece between said vibrational system and the said magnetic circuit system.
As a kind of improvement, said shell and said magnetic conductive board are fixed through shell aperture end crimping.
As a kind of improvement, said elastomer is a rubber elastomer.
After adopting technique scheme, compare with traditional structure, the acoustical generator that the utility model provided can make the further modularization of the inner body of acoustical generator, simplifies the design of product; Simultaneously, can further strengthen the product strength of acoustical generator, improve the firm degree of product.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the utility model is elaborated.
Fig. 1 is the decomposing schematic representation of this acoustical generator of relating to of the utility model embodiment one.
Fig. 2 is the generalized section of this acoustical generator of relating to of the utility model embodiment one.
Fig. 3 is the partial enlarged drawing of a part shown in Figure 2.
Fig. 4 is the stereogram of this acoustical generator shell of relating to of the utility model embodiment one.
Fig. 5 is the generalized section of this acoustical generator shell of relating to of the utility model embodiment one.
Fig. 6 is the local enlarged diagram of this acoustical generator that the utility model embodiment two relates to.
Embodiment
Below in conjunction with accompanying drawing the utility model is carried out detailed description.
Embodiment one:
Shown in Fig. 1-5, a kind of acoustical generator comprises: the metal shell 1 of tubbiness; Vibrational system comprises vibrating diaphragm and voice coil loudspeaker voice coil 24, is provided with first strutting piece 4 at the bottom interval of vibrating diaphragm and shell 1; Magnetic circuit system acts on voice coil loudspeaker voice coil 24 and makes said vibrational system vibration sounding, said magnetic circuit system comprise washer, magnet and the magnetic conductive board 33 that combines successively when voice coil loudspeaker voice coil 24 is connected with ac signal; Wherein, metal shell 1 and magnetic conductive board 33 form the external frame of acoustical generators; And shell 1 and magnetic conductive board 33 fixing assemblings; Between first strutting piece 4 and said outer casing bottom, be provided with elastomer 6.
This design; Owing to adopt the metal shell 1 of integrative-structure to form the outer structure of acoustical generator; And vibrational system and magnetic circuit system are installed in the said shell, and the further modularization of acoustical generator inside configuration part that the utility model provided has been simplified product design; Simultaneously, because first strutting piece 4 is set between the bottom of vibrational system and shell 1, and between first strutting piece 4 and said outer casing bottom, elastomer 6 is set, product structure is more firm on the installation direction of acoustical generator, has strengthened product strength.
In the present embodiment, be provided with phonate hole 11 in the bottom of metal shell 1, the corresponding phonate hole 11 of said vibrational system is provided with the preferred following improvement project of present embodiment:
As a kind of improvement, said shell 1 is provided with transition deep gouge 12 near the bottom of sidewall, and said elastomer 6 is arranged in the said transition deep gouge 12.Transition deep gouge 12 can avoid the folding corner region between shell 1 sidewall and the bottom when bending, to form approximate fillet, influences the integral body assembling height of acoustical generator, and the deep gouge of transition simultaneously 12 can play the fixedly effect of elastomer 6.
As a kind of improvement, be provided with second strutting piece 5 between said vibrational system and the said magnetic circuit system.Second strutting piece 5 can play the effect of positioned at intervals vibrational system and magnetic circuit system.
As a kind of improvement, said shell 1 is fixed through shell 1 openend crimping with said magnetic conductive board 33.Simple through crimping mode technique for fixing, and can realize assembling preferably effect.
As a kind of improvement, said elastomer 6 is a rubber elastomer.Rubber elastomer is simple in structure, is preferable material.
In addition, vibrating diaphragm comprises edge part 21 and pars intermedia 23 in the present embodiment; Voice coil loudspeaker voice coil 24 and acoustical generator can be realized and being electrically connected of the external circuit of acoustical generator through the forms such as unsettled or built-in conductive component that go between; Preferably between vibrating diaphragm and voice coil loudspeaker voice coil 24, be provided with centring disk 22 in this implementation process; Centring disk 22 can be FPC or conducting strip, and voice coil loudspeaker voice coil 24 is electrically connected to the outside of acoustical generator, this improvement through centring disk 22; Can be so that the stability that voice coil loudspeaker voice coil 24 is electrically connected, through increasing the polarization that centring disk 22 prevents acoustical generator.
Embodiment two:
As shown in Figure 6; This implementation process is that with the main distinction of embodiment one elastomeric fixed form is different; Elastomer 6 fixes elastomer 6 through going up the detent 41 ' that forms at first strutting piece 4 ' in this implementation process, and shell 1 ' is a planar structure near the base section of sidewall.
This design in this implementation process can realize above-mentioned technique effect equally, and can satisfy more production design requirement.
In addition, the acoustical generator that relates among the utility model embodiment is square, and it can be circle, racetrack or other structure; Elastomer also can be an independent elastomeric element in the utility model, also can be employed on the rigid element to embed elastomeric mode and come embodiment of the present invention to create; Under the above-mentioned instruction of the utility model; Those skilled in the art can carry out various improvement and distortion on the basis of the foregoing description; And these improvement and distortion all drop in the protection range of the utility model, and those skilled in the art should be understood that; Above-mentioned specific descriptions are just better explained the purpose of the utility model, and the protection range of the utility model is limited claim and equivalent thereof.
Claims (6)
1. an acoustical generator is characterized in that: comprise
Metal shell is the tubbiness of an end opening;
Vibrational system, said vibrational system comprises vibrating diaphragm and voice coil loudspeaker voice coil;
Magnetic circuit system comprises the washer, magnet and the magnetic conductive board that combine successively, and said magnetic circuit system forms the magnetic gap of corresponding said voice coil loudspeaker voice coil;
Said metal shell and said magnetic conductive board form the external frame of said acoustical generator, and said shell and the fixing assembling of said magnetic conductive board; Be provided with elastomer between said vibrational system and the said outer casing bottom.
2. acoustical generator according to claim 1 is characterized in that: said shell is provided with the transition deep gouge near the bottom of sidewall, and said elastomer is arranged in the said transition deep gouge.
3. acoustical generator according to claim 1 is characterized in that:
Be provided with first strutting piece between said vibrational system and the said outer casing bottom, said first strutting piece is provided with detent, the corresponding fixing said elastomer of said detent.
4. according to the described acoustical generator of the arbitrary claim of claim 1-3, it is characterized in that:
Be provided with second strutting piece between said vibrational system and the said magnetic circuit system.
5. according to the described acoustical generator of the arbitrary claim of claim 1-3, it is characterized in that:
Said shell and said magnetic conductive board are fixed through shell aperture end crimping.
6. according to the described acoustical generator of the arbitrary claim of claim 1-3, it is characterized in that:
Said elastomer is a rubber elastomer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200542073U CN202488687U (en) | 2012-02-20 | 2012-02-20 | Acoustical generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200542073U CN202488687U (en) | 2012-02-20 | 2012-02-20 | Acoustical generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202488687U true CN202488687U (en) | 2012-10-10 |
Family
ID=46963070
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200542073U Expired - Lifetime CN202488687U (en) | 2012-02-20 | 2012-02-20 | Acoustical generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202488687U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013123652A1 (en) * | 2012-02-20 | 2013-08-29 | 歌尔声学股份有限公司 | Miniature electroacoustic transducer and assembling method thereof |
| CN105472491A (en) * | 2016-01-04 | 2016-04-06 | 歌尔声学股份有限公司 | Multifunctional device with vibration function and sound production function |
-
2012
- 2012-02-20 CN CN2012200542073U patent/CN202488687U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013123652A1 (en) * | 2012-02-20 | 2013-08-29 | 歌尔声学股份有限公司 | Miniature electroacoustic transducer and assembling method thereof |
| US9549262B2 (en) | 2012-02-20 | 2017-01-17 | Goertek Inc. | Miniature electroacoustic transducer and assembling method thereof |
| CN105472491A (en) * | 2016-01-04 | 2016-04-06 | 歌尔声学股份有限公司 | Multifunctional device with vibration function and sound production function |
| CN105472491B (en) * | 2016-01-04 | 2019-08-09 | 歌尔股份有限公司 | A kind of multi-function device with vibrating function and vocal function |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 261031 Dongfang Road, Weifang high tech Industrial Development Zone, Shandong, China, No. 268 Patentee after: Goertek Inc. Address before: 261031 Dongfang Road, Weifang high tech Industrial Development Zone, Shandong, China, No. 268 Patentee before: Goertek Inc. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20121010 |
|
| CX01 | Expiry of patent term |