CN109151686A - Loudspeaker mould group - Google Patents
Loudspeaker mould group Download PDFInfo
- Publication number
- CN109151686A CN109151686A CN201811190064.7A CN201811190064A CN109151686A CN 109151686 A CN109151686 A CN 109151686A CN 201811190064 A CN201811190064 A CN 201811190064A CN 109151686 A CN109151686 A CN 109151686A
- Authority
- CN
- China
- Prior art keywords
- acoustic aperture
- mould group
- separation
- fixing groove
- loudspeaker mould
- 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.)
- Granted
Links
- 238000000926 separation method Methods 0.000 claims abstract description 38
- 238000007789 sealing Methods 0.000 claims abstract description 18
- 239000000463 material Substances 0.000 claims abstract description 17
- 239000000178 monomer Substances 0.000 claims abstract description 13
- 230000004308 accommodation Effects 0.000 claims abstract description 12
- 238000002347 injection Methods 0.000 claims description 8
- 239000007924 injection Substances 0.000 claims description 8
- 239000003292 glue Substances 0.000 claims description 7
- 229920002379 silicone rubber Polymers 0.000 claims description 5
- 238000004026 adhesive bonding Methods 0.000 claims description 4
- 239000004033 plastic Substances 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 239000004568 cement Substances 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 6
- BGPVFRJUHWVFKM-UHFFFAOYSA-N N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] Chemical compound N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] BGPVFRJUHWVFKM-UHFFFAOYSA-N 0.000 description 3
- 230000000149 penetrating effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000003796 beauty Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000000644 propagated effect Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/06—Loudspeakers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/02—Details
- H04R9/025—Magnetic circuit
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2400/00—Loudspeakers
- H04R2400/11—Aspects regarding the frame of loudspeaker transducers
Abstract
The present invention discloses a kind of loudspeaker mould group, it include: the module casing to form accommodation space, and the loudspeaker monomer in the accommodation space is set, the accommodation space is divided into the preceding operatic tunes and the rear operatic tunes by the loudspeaker monomer, the module casing offers the acoustic aperture out being connected to the preceding operatic tunes, the loudspeaker mould group further includes the separation acoustic aperture of annular, the separation acoustic aperture is around the acoustic aperture setting out, and with the module casing secure bond, the separation acoustic aperture has sealing ring far from the side secure bond of module casing.The present invention makes module shell separate independent production and processing with acoustic aperture two parts are separated, this two parts can use different materials, to reduce overall cost.
Description
Technical field
The present invention relates to electroacoustic techniques fields.More particularly, to a kind of loudspeaker mould group.
Background technique
Loudspeaker mould group would generally open up out acoustic aperture on module shell, and the sound that vibrating diaphragm issues is by going out acoustic aperture outwardly
It propagates.It, generally can be close in the surrounding adhesive seal circle of acoustic aperture out in order to guarantee the leakproofness after loudspeaker mould group and machine assembly
The material of seal is mostly silicon rubber.But in the paste process of sealing ring, it is not easy to position sealing ring, sealing ring is easy
Patch partially, can shelter from a part and go out acoustic aperture, poor so as to cause the consistency of complete machine, influence the acoustic efficiency of complete machine and sealing not
It is good.Therefore, there is a kind of loudspeaker mould group at present by way of post forming, go out acoustic aperture for what silicon rubber was molded into module casing
Upper formation sealing ring, but such method must need the plastic material of module casing to want high temperature resistant, can generally select PEI material,
Material of the PEI material relative to common module shell, such as D151, D251 are much higher, thus can improve module shell at
This.And loudspeaker module shell is all complicated moulding, and penetrating mold using the two of quadric injection mould will also become to tie
Structure is complicated, on the one hand can integrally improve the cost of manufacture of loudspeaker mould group, on the other hand two penetrate after module shell entirety
Size is also not easy to guarantee.
Summary of the invention
The purpose of the present invention is to provide a kind of lower production costs, the higher loudspeaker mould of module shell dimensional accuracy
Group.
According to an aspect of the invention, there is provided a kind of loudspeaker mould group, comprising: form the mould group shell of accommodation space
Body, and the loudspeaker monomer being arranged in the accommodation space, before the accommodation space is divided by the loudspeaker monomer
The operatic tunes and the rear operatic tunes, the module casing offer the acoustic aperture that goes out being connected to the preceding operatic tunes, which further includes annular
Separate acoustic aperture, the separation acoustic aperture around it is described go out acoustic aperture be arranged, and with the module casing secure bond, the separation acoustic aperture
Side secure bond far from module casing has sealing ring.
Preferably, it is recessed inwardly to form annular fixing groove at the module casing of acoustic aperture out, the separation acoustic aperture
Side secure bond in the fixing groove.
Preferably, the separation acoustic aperture is connect by gluing with the fixing groove.
Preferably, the width of the fixing groove is greater than the sidewall thickness of the separation acoustic aperture.
Preferably, the surface outwardly convex of the fixed groove sidewall forms positioning convex platform.
Preferably, sidewall surfaces outwardly convex of the positioning convex platform by fixing groove close to the acoustic aperture out is formed.
Preferably, the positioning convex platform is set as 4, is evenly distributed on the sidewall surfaces of the fixing groove；Or positioning
Boss is set as 2, is symmetrically distributed in the sidewall surfaces of the fixing groove.
Preferably, the fixing groove forms vertical boss, the separation sound close to the side wall top surface outwardly convex for going out acoustic aperture
Hole is equipped with step corresponding with the vertical boss, and the step is overlapped on the vertical boss, the separation acoustic aperture and
The gap having between the side wall and bottom surface of the fixing groove forms glue groove.
Preferably, the fixing groove is arranged in close to the side wall top surface for going out acoustic aperture in the vertical boss continued circling.
Preferably, the material of the module casing is D151 or D251 plastic cement, and the material of the separation acoustic aperture is PEI, institute
The material for stating sealing ring is that silicon rubber, the separation acoustic aperture and sealing ring are integrally formed using quadric injection mould.
Beneficial effects of the present invention are as follows:
Sealing ring is fixedly connected by the present invention by setting separation acoustic aperture with acoustic aperture is separated, to make module shell and divide
It is that two parts separate independent production and processing from acoustic aperture, this two parts can use different materials, to reduce overall cost.
Further, since not needing to carry out quadric injection mould to complicated module shell, the complexity of module shell mold is reduced,
Also the dimensional accuracy of module shell is just improved.Separation acoustic aperture better simply to structure and sealing ring are using quadric injection mould simultaneously
Technique processing, also reduces two complexities for penetrating mold, reduces overall cost.
Detailed description of the invention
Specific embodiments of the present invention will be described in further detail with reference to the accompanying drawing.
Fig. 1 shows decomposition texture schematic diagram of the invention.
Fig. 2 shows structural schematic diagrams of the invention.
Fig. 3 shows the face A-A of the present invention cross-sectional view.
Fig. 4 shows partial enlarged view of the invention.
Specific embodiment
In order to illustrate more clearly of the present invention, the present invention is done further below with reference to preferred embodiments and drawings
It is bright.Similar component is indicated in attached drawing with identical appended drawing reference.It will be appreciated by those skilled in the art that institute is specific below
The content of description is illustrative and be not restrictive, and should not be limited the scope of the invention with this.
The present invention provides a kind of loudspeaker mould group, which includes module casing and loudspeaker monomer, in module casing
It is formed with accommodation space, loudspeaker monomer is contained in the accommodation space, and the accommodation space is separated into the preceding operatic tunes and rear sound
Chamber.Loudspeaker monomer is moving-coil type monomer or moving-iron type monomer.For ease of description, in the present embodiment with moving-coil type monomer
For.As shown in Figure 1, moving-coil type monomer includes vibration component and magnetic circuit component.Vibration component includes vibrating diaphragm 1 and voice coil 2, vibrating diaphragm
1 connect with voice coil 2.The magnetic circuit system includes magnetic yoke 3 and 4 He of centring magnet that is set on 3 one side surface of magnetic yoke
Side magnet 5, forms magnetic gap between centring magnet 4 and side magnet 5, one end of voice coil 2 is inserted into magnetic gap.When voice coil 2 is powered
Afterwards, voice coil 2 can vibrate under the action of magnetic circuit system, and at the same time, voice coil 2 drives vibrating diaphragm 1 to vibrate together, realize vibrating diaphragm 1
Sounding.Module casing includes mutually matched upper casing 6 and middle shell 7, and middle shell 7 offers out acoustic aperture 8, and acoustic aperture 8 and the preceding operatic tunes connect out
Logical, the sound that vibrating diaphragm 1 issues outwardly is propagated by going out acoustic aperture 8.This belongs to the common knowledge of those skilled in the art, herein not
It illustrates again.
As shown in Figure 1-3, loudspeaker mould group of the invention further includes separation acoustic aperture 9, separation acoustic aperture 9 is set as annular, ring
On the middle shell 7 being fixedly connected on out around acoustic aperture 8, acoustic aperture 9 is separated far from the side of middle shell 7 and is fixedly connected with sealing ring 10,
Sealing ring 10 can be improved the leakproofness after loudspeaker mould group and machine assembly.It is lower that price can be used in shell 7 in present embodiment
D151 or D251 plastic material injection molding, separation acoustic aperture 9 the higher PEI resin material injection molding of price can be used, it is close
The material of seal 10 be silicon rubber, by the way of quadric injection mould with separate acoustic aperture 9 integrated molding.The loudspeaker mould of such structure
Group since middle shell 7 with acoustic aperture 9 is separated is that two parts separate independent production and processing, this two parts can using different materials, from
And reduce overall cost.Further, since not needing to carry out quadric injection mould to complicated middle shell, middle 7 mold of shell is reduced
Complexity, also just improve the dimensional accuracy of middle shell.Separation acoustic aperture 9 better simply to structure and sealing ring 10 use simultaneously
The technique of quadric injection mould is processed, and is also reduced two complexities for penetrating mold, is reduced overall cost.
It is further common shown as shown in Figure 1, Figure 3 and Figure 4, it is recessed inwardly to form consolidating for annular around the middle shell 7 of acoustic aperture 8 out
Determine slot 11, the side of separation acoustic aperture 9 is fixedly connected in fixing groove 11.Specifically, separation acoustic aperture 9 is fixed by way of gluing
Be connected in fixing groove 11, thus improve separation acoustic aperture 9 and middle shell 7 positioning accuracy, while also improve sealing ring 10 and
The positioning accuracy of acoustic aperture 8 out avoids blocking to acoustic aperture 8 out, influences the acoustic efficiency of complete machine.
To improve the positioning accuracy of separation acoustic aperture 9, while reducing the difficulty of assembly separation acoustic aperture 9 and middle shell 7, this embodiment party
The width of fixing groove 11 is further set greater than the sidewall thickness of separation acoustic aperture 9 by formula, convenient for that will separate the side of acoustic aperture 9
It is put into fixing groove 11.Meanwhile the sidewall surfaces outwardly convex of fixing groove 11 forms multiple positioning convex platforms 12,12 energy of positioning convex platform
Enough precision for improving separation acoustic aperture 9.Preferably, positioning convex platform 12 is set as 4, is located at fixing groove 11 close to acoustic aperture 8 out
On the side wall of side；Or positioning convex platform is set as 2, is symmetrically distributed in the sidewall surfaces of the fixing groove.
Since separation acoustic aperture 9 is fixed in fixing groove 11 by way of gluing, excessive glue influences the beauty of product in order to prevent
It sees.As shown in figure 4, fixing groove 11 forms vertical boss 13 close to the side wall top surface outwardly convex for going out 8 side of acoustic aperture.Specifically,
Fixing groove 11 is arranged in close to the side wall top surface for going out acoustic aperture in vertical 13 continued circling of boss, and separation acoustic aperture 9 is equipped with and vertical boss
13 corresponding steps 14, are overlapped on vertical boss 13 by step 14, make the bottom surface for separating 9 side wall of acoustic aperture and fixing groove 11
There is gap between bottom surface.Since the width of fixing groove 11 is greater than the thickness of separation 9 side wall of acoustic aperture, 9 side wall of acoustic aperture is separated
Two sides and bottom surface and fixing groove 11 between also there is gap, gap connection is collectively formed glue groove 15, and glue groove 15 is used to hold
Extra glue of receiving prevents excessive glue.
Obviously, the above embodiment of the present invention be only to clearly illustrate example of the present invention, and not be pair
The restriction of embodiments of the present invention may be used also on the basis of the above description for those of ordinary skill in the art
To make other variations or changes in different ways, all embodiments can not be exhaustive here, it is all to belong to this hair
The obvious changes or variations that bright technical solution is extended out are still in the scope of protection of the present invention.
Claims (10)
1. a kind of loudspeaker mould group, the module casing including formation accommodation space, and raising in the accommodation space is set
The accommodation space is divided into the preceding operatic tunes and the rear operatic tunes by sound device monomer, the loudspeaker monomer, and the module casing offers
What is be connected to the preceding operatic tunes goes out acoustic aperture, which is characterized in that the loudspeaker mould group further includes the separation acoustic aperture of annular, the separation acoustic aperture
Around it is described go out acoustic aperture setting, and with the module casing secure bond, the side of the separation acoustic aperture far from module casing be solid
Surely it is combined with sealing ring.
2. loudspeaker mould group according to claim 1, which is characterized in that inside at the module casing of acoustic aperture out
Concave shape circularizes fixing groove, and the side secure bond of the separation acoustic aperture is in the fixing groove.
3. loudspeaker mould group according to claim 2, which is characterized in that the separation acoustic aperture passes through gluing and the fixation
Slot connection.
4. loudspeaker mould group according to claim 2, which is characterized in that the width of the fixing groove is greater than the separation sound
The sidewall thickness in hole.
5. loudspeaker mould group according to claim 4, which is characterized in that the surface outwardly convex shape of the fixed groove sidewall
At positioning convex platform.
6. loudspeaker mould group according to claim 5, which is characterized in that the positioning convex platform is gone out described in by fixing groove
Sidewall surfaces outwardly convex at acoustic aperture is formed.
7. loudspeaker mould group according to claim 6, which is characterized in that the positioning convex platform is set as 4, is uniformly distributed
In the sidewall surfaces of the fixing groove；Or positioning convex platform is set as 2, is symmetrically distributed in the sidewall surfaces of the fixing groove.
8. loudspeaker mould group according to claim 4, which is characterized in that the fixing groove is close to the side wall top surface for going out acoustic aperture
Outwardly convex forms vertical boss, and the separation acoustic aperture is equipped with step corresponding with the vertical boss, the step overlap joint
On the vertical boss, the gap having between the separation acoustic aperture and the side wall and bottom surface of the fixing groove, which is formed, holds glue
Slot.
9. loudspeaker mould group according to claim 8, which is characterized in that the vertical boss continued circling is arranged described
Fixing groove is close to the side wall top surface for going out acoustic aperture.
10. loudspeaker mould group according to claim 1, which is characterized in that the material of the module casing be D151 or
D251 plastic cement, the material of the separation acoustic aperture are PEI, and the material of the sealing ring is silicon rubber, the separation acoustic aperture and sealing
Circle is integrally formed using quadric injection mould.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811190064.7A CN109151686B (en) | 2018-10-12 | 2018-10-12 | Loudspeaker module |
| PCT/CN2018/112258 WO2020073365A1 (en) | 2018-10-12 | 2018-10-27 | Loudspeaker module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811190064.7A CN109151686B (en) | 2018-10-12 | 2018-10-12 | Loudspeaker module |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109151686A true CN109151686A (en) | 2019-01-04 |
| CN109151686B CN109151686B (en) | 2024-04-12 |
Family
ID=64811484
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811190064.7A Active CN109151686B (en) | 2018-10-12 | 2018-10-12 | Loudspeaker module |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN109151686B (en) |
| WO (1) | WO2020073365A1 (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2706985Y (en) * | 2004-03-05 | 2005-06-29 | 杨晋年 | Insert earphone |
| CN203301728U (en) * | 2013-05-18 | 2013-11-20 | 歌尔声学股份有限公司 | Dual-diaphragm loudspeaker module |
| CN203708469U (en) * | 2013-12-25 | 2014-07-09 | 歌尔声学股份有限公司 | Loudspeaker module |
| CN203851284U (en) * | 2013-12-25 | 2014-09-24 | 歌尔声学股份有限公司 | Loudspeaker module group and electronic device comprising same |
| CN204350291U (en) * | 2015-02-03 | 2015-05-20 | 歌尔声学股份有限公司 | Loud speaker module |
| CN208821071U (en) * | 2018-10-12 | 2019-05-03 | 歌尔股份有限公司 | Loudspeaker mould group |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204887446U (en) * | 2015-07-20 | 2015-12-16 | 瑞声光电科技(常州)有限公司 | Miniature loudspeaker |
| CN105813003B (en) * | 2016-04-25 | 2019-10-22 | 歌尔股份有限公司 | Installation shell, manufacturing method and the mounting structure of loudspeaker and microphone |
| CN207070347U (en) * | 2017-07-20 | 2018-03-02 | 歌尔科技有限公司 | Side is spoken loudspeaker module and electronic equipment |
| CN207354592U (en) * | 2017-08-11 | 2018-05-11 | 瑞声科技(新加坡)有限公司 | Loudspeaker module |
-
2018
- 2018-10-12 CN CN201811190064.7A patent/CN109151686B/en active Active
- 2018-10-27 WO PCT/CN2018/112258 patent/WO2020073365A1/en active Application Filing
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2706985Y (en) * | 2004-03-05 | 2005-06-29 | 杨晋年 | Insert earphone |
| CN203301728U (en) * | 2013-05-18 | 2013-11-20 | 歌尔声学股份有限公司 | Dual-diaphragm loudspeaker module |
| CN203708469U (en) * | 2013-12-25 | 2014-07-09 | 歌尔声学股份有限公司 | Loudspeaker module |
| CN203851284U (en) * | 2013-12-25 | 2014-09-24 | 歌尔声学股份有限公司 | Loudspeaker module group and electronic device comprising same |
| CN204350291U (en) * | 2015-02-03 | 2015-05-20 | 歌尔声学股份有限公司 | Loud speaker module |
| CN208821071U (en) * | 2018-10-12 | 2019-05-03 | 歌尔股份有限公司 | Loudspeaker mould group |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109151686B (en) | 2024-04-12 |
| WO2020073365A1 (en) | 2020-04-16 |
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