CN207869340U - Loudspeaker enclosure - Google Patents
Loudspeaker enclosure Download PDFInfo
- Publication number
- CN207869340U CN207869340U CN201820164448.0U CN201820164448U CN207869340U CN 207869340 U CN207869340 U CN 207869340U CN 201820164448 U CN201820164448 U CN 201820164448U CN 207869340 U CN207869340 U CN 207869340U
- Authority
- CN
- China
- Prior art keywords
- shell
- flexible glue
- steel disc
- loudspeaker enclosure
- glue ring
- 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
Links
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 42
- 239000010959 steel Substances 0.000 claims abstract description 42
- 239000003292 glue Substances 0.000 claims abstract description 41
- 239000000178 monomer Substances 0.000 claims abstract description 20
- 238000000465 moulding Methods 0.000 claims description 4
- 238000007373 indentation Methods 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 241000219000 Populus Species 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
Landscapes
- Details Of Audible-Bandwidth Transducers (AREA)
Abstract
The utility model provides a kind of loudspeaker enclosure, it include the shell with receiving space, the sounding monomer being contained in the receiving space, through shell setting through-hole and be fixed on the shell and be covered on the cover board of the through-hole completely, the receiving space is separated into ante-chamber and back cavity by the sounding monomer, the through-hole is connected to the ante-chamber, the cover board includes the flexible glue ring of steel disc and the periphery setting around the steel disc, the steel disc is fixed on the shell by the flexible glue ring, the Young's modulus of the flexible glue ring is less than the Young's modulus of the shell.Compared with the relevant technologies, the acoustical behavior of the loudspeaker enclosure of the utility model is more excellent.
Description
【Technical field】
The utility model is related to acoustic-electric conversion art more particularly to a kind of loud speakers applying to portable electronic product
Case.
【Background technology】
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
The music function of high-quality, therefore, the loud speaker for playing sound be widely applied Intelligent mobile equipment till now it
In.
The loudspeaker enclosure of the relevant technologies has the shell of receiving space, the sounding list being contained in the receiving space
The receiving space is separated into ante-chamber and back cavity by body, the sounding monomer, and the ante-chamber is used for sounding, and the back cavity is for changing
It is apt to the low frequency performance of the loudspeaker enclosure.The spatial volume of the ante-chamber in order to further increase, described in shell correspondence
The thickness of the position injection molding steel disc of ante-chamber, steel disc is much smaller than the thickness of shell to realize the purpose for increasing the ante-chamber volume.
However, in the loudspeaker enclosure of the relevant technologies, the thickness of the steel disc is more than 0.2mm, it is difficult to thin again, the otherwise hair
Steel disc resonance can be caused when sound monomer vibration sounding and generate noise, influence the sense of hearing of the loudspeaker enclosure.In addition, by side sounding knot
Structure influences, and the loudspeaker enclosure will produce higher second-order distortion in medium-high frequency position, influence the sound product of the loudspeaker enclosure
Matter.
Therefore, it is necessary to provide a kind of improved loudspeaker enclosure to solve the above problems.
【Utility model content】
The technical problem to be solved by the present invention is to provide a kind of good loudspeaker enclosures of acoustical behavior.
In order to solve the above technical problems, the utility model provides a kind of loudspeaker enclosure, include the shell with receiving space
Body, the sounding monomer being contained in the receiving space, the through-hole being arranged through the shell and it is fixed on the shell and complete
Be covered on the cover board of the through-hole entirely, the receiving space is separated into ante-chamber and back cavity by the sounding monomer, the through-hole with
The ante-chamber connection, the cover board include the flexible glue ring of steel disc and the periphery setting around the steel disc, and the steel disc passes through institute
It states flexible glue ring and is fixed on the shell, the Young's modulus of the flexible glue ring is less than the Young's modulus of the shell.
Preferably, the thickness of the steel disc is 0.1mm~0.15mm.
Preferably, the shell includes upper cover and assembles the lower cover to form the receiving space, the hair with the upper cover
Sound monomer surrounds the ante-chamber with the upper cover, and the through-hole is arranged through the upper cover.
Preferably, the flexible glue ring includes in the body part of hollow and annular and by the body part far from the receiving space
Side be recessed the container to be formed, the periphery of the steel disc is contained in the container.
Preferably, the flexible glue ring further includes the fixture block for the multiple spaced settings being formed in the container, institute
The peripheral indentation for stating steel disc forms the bayonet coordinated with the fixture block, and the fixture block is arranged in the bayonet.
Preferably, the shell is additionally provided with groove in the through hole, and the flexible glue ring is contained in the groove.
Preferably, the flexible glue ring further includes the fixed column extended from the body part to groove direction protrusion, institute
The mounting hole for being equipped in groove and coordinating with the fixed column is stated, the fixed column is arranged in the mounting hole.
Preferably, sounding monomer described in the through-hole face is arranged.
Preferably, the flexible glue ring is integrally formed with the shell by double-shot moulding, the flexible glue ring and the steel disc
It is integrally formed.
Compared with the relevant technologies, the cover board of the utility model loudspeaker enclosure is by the steel disc and around the steel disc
The flexible glue ring composition of periphery setting, the steel disc are fixed on the shell, the poplar of the flexible glue ring by the flexible glue ring
Family name's modulus is less than the Young's modulus of the shell, and the flexible glue ring has good cushioning effect, avoids and causes steel disc and raise
Sound device case generates resonance and leads to noise, is effectively improved sense of hearing；The flexible glue ring breaks the original resonance system of ring so that described
It is moved after the frequency response high frequency peaks of sounding monomer, can reach the effect for reducing second-order distortion, improve the sound of the loudspeaker enclosure
Learn performance.
【Description of the drawings】
It is required in being described below to embodiment 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
Other attached drawings are obtained, wherein：
Fig. 1 is the dimensional structure diagram of the utility model loudspeaker enclosure；
Fig. 2 is the part-structure decomposition diagram of the utility model loudspeaker enclosure；
Fig. 3 is the diagrammatic cross-section along A-A shown in Fig. 1.
【Specific implementation mode】
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
The all other embodiment obtained, shall fall within the protection scope of the present invention.
It please refers to Fig.1 shown in -3, wherein Fig. 1 is the dimensional structure diagram of the utility model loudspeaker enclosure；Fig. 2 is this
The part-structure decomposition diagram of utility model loudspeaker enclosure；Fig. 3 is the diagrammatic cross-section along A-A shown in Fig. 1.The utility model
Provide a kind of loudspeaker enclosure 100, including shell 1, sounding monomer 2, through-hole 3 and cover board 4.
The shell 1 has a receiving space 10, and the sounding monomer 2 is contained in the receiving space 10 and by the receipts
Hold space 10 and be separated into ante-chamber 101 and back cavity 102, the ante-chamber 101 is used for sounding, and the back cavity 102 is for improving all-bottom sound
Learn performance.
In present embodiment, the shell 1 includes upper cover 11 and assembles to form the receiving space 10 with the upper cover 11
Lower cover 12.The sounding monomer 2 and the upper cover 11 surround the ante-chamber 101, the sounding monomer 2, the lower cover 12 and
The upper cover 11 surrounds the back cavity 102 jointly.
The through-hole 3 is arranged through the shell 1 and is connected to the ante-chamber 101, it is preferred that 3 face institute of the through-hole
State the setting of sounding monomer 2.Specifically, the through-hole 3 is arranged through the upper cover 11.More preferably, the upper cover 11 is described logical
The mounting hole 112 for being additionally provided with groove 111 at hole 3 and being set in the groove 111.
The cover board 4 is fixed on the shell 1 and is covered on the setting of the through-hole 3 completely.
In present embodiment, the cover board 4 includes the flexible glue ring 42 of steel disc 41 and the periphery setting around the steel disc 41.
In present embodiment, the flexible glue ring 42 is integrally formed with the upper cover 11 by double-shot moulding, the steel disc 41 with it is described soft
Rubber ring 42 is by being integrally formed, the steel disc 41 described in in-mould injection while software loop 42 described in quadric injection mould.Certainly,
Molding mode without being limited thereto.
The steel disc 41 is fixed on the shell 1 by the flexible glue ring 42.Specifically, the steel disc 41 pass through it is described soft
Rubber ring 42 is fixed on the upper cover 11.The peripheral indentation of the steel disc 41 forms the bayonet 411 of multiple spaced settings.
The flexible glue ring 42 is contained in the groove 111, and in present embodiment, the Young's modulus of the flexible glue ring 42 is small
In the Young's modulus of the shell 1, at least below the Young's modulus of the upper cover 11.
Specifically, the flexible glue ring 42 include in the body part 421 of hollow and annular, by the body part 421 far from described
The side of receiving space 10 be recessed the container 422 to be formed, from the body part 421 to 111 direction of the groove protrude extend
Fixed column 423 and be formed in the fixture blocks 424 of multiple spaced settings in the container 422.
The periphery of the steel disc 41 is contained in the container 422, then is fixed on the upper cover by the flexible glue ring 42
In 11 groove 111, due to the buffering of flexible glue ring 42, original resonance system is destroyed, so that loudspeaker enclosure 100
Frequency response high frequency peaks after move, achieve the effect that reduce second-order distortion, effectively improve medium-high frequency acoustical behavior.
In present embodiment, the thickness of the steel disc 41 is 0.1mm~0.15mm, and specific thickness can be according to the loud speaker
The acoustical behavior of case 100 needs to adjust.
The thickness of the steel disc 41 is thinned to 0.1mm~0.15mm by the prior art more than 0.2mm, while described in cooperation
The structure setting of flexible glue ring 42 so that the steel disc 41 will not cause itself and the sounding list when the sounding monomer 1 works
The resonance of body 1, improves acoustical behavior.
Meanwhile the steel disc 41 is thinned the space that can increase the ante-chamber 101, or the loudspeaker enclosure 100 can be reduced
Integral thickness, space utilization is more flexible.
The fixed column 423 is equipped with the mounting hole 112, and the fixed column 423 is arranged in the mounting hole
In 112.The structure setting strengthens the structure stability maintenance of the flexible glue ring 42 and the upper cover 11.
The fixture block 424 is arranged in the bayonet 411, reinforces the steel disc 41 and the fixation of the flexible glue ring 42 is strong
Degree improves stability.
Compared with the relevant technologies, the cover board of the utility model loudspeaker enclosure is by the steel disc and around the steel disc
The flexible glue ring composition of periphery setting, the steel disc are fixed on the shell, the poplar of the flexible glue ring by the flexible glue ring
Family name's modulus is less than the Young's modulus of the shell, and the flexible glue ring has good cushioning effect, avoids and causes steel disc and raise
Sound device case generates resonance and leads to noise, is effectively improved sense of hearing；The flexible glue ring breaks the original resonance system of ring so that described
It is moved after the frequency response high frequency peaks of sounding monomer, can reach the effect for reducing second-order distortion, improve the sound of the loudspeaker enclosure
Learn performance.
Above-described is only the embodiment of the utility model, it should be noted here that for the ordinary skill of this field
For personnel, without departing from the concept of the present invention, improvement can also be made, but these belong to this practicality
Novel protection domain.
Claims (9)
1. a kind of loudspeaker enclosure, includes shell with receiving space, the sounding monomer being contained in the receiving space, runs through
It the through-hole of shell setting and is fixed on the shell and is covered on the cover board of the through-hole completely, the sounding monomer is by institute
It states receiving space and is separated into ante-chamber and back cavity, the through-hole is connected to the ante-chamber, it is characterised in that：The cover board includes steel disc
The flexible glue ring being arranged with the periphery around the steel disc, the steel disc is fixed on the shell by the flexible glue ring, described soft
The Young's modulus of rubber ring is less than the Young's modulus of the shell.
2. loudspeaker enclosure according to claim 1, it is characterised in that：The thickness of the steel disc is 0.1mm~0.15mm.
3. loudspeaker enclosure according to claim 1, it is characterised in that：The shell includes upper cover and is assembled with the upper cover
Form the lower cover of the receiving space, the sounding monomer and the upper cover surround the ante-chamber, and the through-hole is on described
Lid setting.
4. loudspeaker enclosure according to claim 1, it is characterised in that：The flexible glue ring includes the body part in hollow and annular
It is recessed the container formed with by side of the body part far from the receiving space, the periphery of the steel disc is contained in described
In container.
5. loudspeaker enclosure according to claim 4, it is characterised in that：The flexible glue ring further includes being formed in the container
The fixture block of interior multiple spaced settings, the peripheral indentation of the steel disc form the bayonet with fixture block cooperation, the card
Block is arranged in the bayonet.
6. loudspeaker enclosure according to claim 4, it is characterised in that：The shell is additionally provided with groove in the through hole,
The flexible glue ring is contained in the groove.
7. loudspeaker enclosure according to claim 6, it is characterised in that：The flexible glue ring further includes from the body part to institute
The fixed column that groove direction protrusion extends is stated, the mounting hole coordinated with the fixed column, the fixed column are equipped in the groove
It is arranged in the mounting hole.
8. loudspeaker enclosure according to claim 1, it is characterised in that：Sounding monomer described in the through-hole face is arranged.
9. loudspeaker enclosure according to claim 1, it is characterised in that：The flexible glue ring passes through double-shot moulding with the shell
It is integrally formed, the flexible glue ring is integrally formed with the steel disc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820164448.0U CN207869340U (en) | 2018-01-30 | 2018-01-30 | Loudspeaker enclosure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820164448.0U CN207869340U (en) | 2018-01-30 | 2018-01-30 | Loudspeaker enclosure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207869340U true CN207869340U (en) | 2018-09-14 |
Family
ID=63460329
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820164448.0U Expired - Fee Related CN207869340U (en) | 2018-01-30 | 2018-01-30 | Loudspeaker enclosure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207869340U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022041439A1 (en) * | 2020-08-27 | 2022-03-03 | 瑞声声学科技(深圳)有限公司 | Loudspeaker box |
| CN115175057A (en) * | 2022-06-30 | 2022-10-11 | 歌尔股份有限公司 | Shell of sound generating device, sound generating device and electronic equipment |
-
2018
- 2018-01-30 CN CN201820164448.0U patent/CN207869340U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022041439A1 (en) * | 2020-08-27 | 2022-03-03 | 瑞声声学科技(深圳)有限公司 | Loudspeaker box |
| CN115175057A (en) * | 2022-06-30 | 2022-10-11 | 歌尔股份有限公司 | Shell of sound generating device, sound generating device and electronic equipment |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180914 |