CN108924718A - Loudspeaker mould group - Google Patents
Loudspeaker mould group Download PDFInfo
- Publication number
- CN108924718A CN108924718A CN201811190991.9A CN201811190991A CN108924718A CN 108924718 A CN108924718 A CN 108924718A CN 201811190991 A CN201811190991 A CN 201811190991A CN 108924718 A CN108924718 A CN 108924718A
- Authority
- CN
- China
- Prior art keywords
- acoustic aperture
- connection sheet
- mould group
- separation
- module casing
- 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
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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
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
- Details Of Audible-Bandwidth Transducers (AREA)
Abstract
The present invention discloses a kind of loudspeaker mould group, including：Form the module casing of 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 connected thereto equipped with one end, the other end is located at the first connection sheet on the outside of separation acoustic aperture, the module casing is equipped with the second connection sheet that can be welded to connect with first connection sheet, 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 improves the bonding strength between separation acoustic aperture and module casing, to improve the reliability of product by being fixedly connected to the first connection sheet with the second connection sheet.
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 for issuing vibrating diaphragm is outside by going out acoustic aperture
It propagates on boundary.In order to guarantee the leakproofness after loudspeaker mould group and machine assembly, generally can in the surrounding adhesive seal circle of acoustic aperture out,
The material of sealing ring is mostly silicon rubber.But in the paste process of sealing ring, it is not easy to position sealing ring, sealing ring holds
Easy sticker is inclined, can shelter from a part and go out acoustic aperture, poor so as to cause the consistency of complete machine, influences the acoustic efficiency of complete machine and sealing
It is bad.
There is a kind of loudspeaker mould group at present by way of post forming, goes 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.Therefore, inventor proposes a kind of technical solution, increases an annular separation sound in loudspeaker mould group
Hole, sealing ring by way of quadric injection mould with to separate acoustic aperture integrally formed, separation acoustic aperture passes through glue around going out acoustic aperture setting
Water is adhesively fixed with module casing.
But inventor has found that such loudspeaker mould group is fixedly connected with separation acoustic aperture and mould group shell by way of gluing
Body, adhesive strength is smaller, in product falling process, has the risk that separation acoustic aperture is detached from module casing, influence product can
By property.
Summary of the invention
It is difficult to fall off from module casing the purpose of the present invention is to provide a kind of separation acoustic aperture, the loudspeaker of high reliablity
Mould group.
According to an aspect of the invention, there is provided a kind of loudspeaker mould group, including：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
Acoustic aperture is separated, the separation acoustic aperture is connected thereto equipped with one end, the other end is located at the first connection sheet on the outside of separation acoustic aperture, described
Module casing is equipped with the second connection sheet that can be welded to connect with first connection sheet, and the separation acoustic aperture is around the acoustic aperture out
Setting, and with the module casing secure bond, the separation acoustic aperture has sealing ring far from the side secure bond of module casing.
Preferably, one end upper surface of second connection sheet is located at the outside of the module casing, first connection
Piece and the second connection sheet overlap joint welding.
Preferably, first connection sheet is integrally formed by injection molding manner with the acoustic aperture that separates, second connection
Piece is integrally formed by injection molding manner and the module casing.
Preferably, first connection sheet offer one or more can be improved the first connection sheet with separate acoustic aperture connection
Intensity grabs glue hole.
Preferably, first connection sheet and the second connection sheet are metal connecting sheet.
Preferably, the module casing around the acoustic aperture out is recessed inwardly to form annular fixing groove, the separation acoustic aperture
One end secure bond is 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 separation acoustic aperture is equipped with step corresponding with the top surface of the fixed groove sidewall, and the step is taken
It connects on the top surface of the fixed groove sidewall, has between the two sides and bottom surface and the fixing groove of the separation acoustic aperture side wall
Gap forms glue groove.
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.
By being fixedly connected to the first connection sheet with the second connection sheet, the connection improved between separation acoustic aperture and module casing is strong
Degree, to improve the reliability of product.
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, leads to
It crosses on the middle shell 7 that gluing is fastened around out around acoustic aperture 8, separates acoustic aperture 9 far from the side of middle shell 7 and be fixedly connected with sealing ring
16, sealing ring 16 can be improved the leakproofness after loudspeaker mould group and machine assembly.In present embodiment shell 7 can be used price compared with
The higher PEI resin material injection molding of price can be used in low D151 or D251 plastic material injection molding, separation acoustic aperture 9,
The material of sealing ring 10 be silicon rubber, by the way of quadric injection mould with separate acoustic aperture 9 integrated molding.The loudspeaker of such structure
Mould 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,
To reduce overall cost.Further, since not needing to carry out quadric injection mould to complicated middle shell, middle 7 mould of shell is reduced
The complexity of tool also just improves the dimensional accuracy of middle shell.Separation acoustic aperture 9 better simply to structure and sealing ring 16 are adopted simultaneously
It is processed with the technique of quadric injection mould, also reduces two complexities for penetrating mold, reduce overall cost.
It is set in separation acoustic aperture 9 of the invention as in Figure 2-4 to improve the bonding strength of separation acoustic aperture 9 and middle shell 7
There is the first connection sheet 10, middle shell 7 is equipped with the second connection sheet 11, by by one end of the first connection sheet 10 and the second connection sheet 11
One end carries out overlap joint welding, to improve the bonding strength of separation acoustic aperture 9 and middle shell 7.Specifically, the first connection sheet 10 and second
Connection sheet 11 is metal material, and one end of the first connection sheet 10 is fixedly connected with acoustic aperture 9 is separated, and the other end is located at separation acoustic aperture
9 outside, the first connection sheet 10 can by way of injection molding with separate acoustic aperture 9 be integrally formed.Further, the first connection sheet
10, which open up one or more, grabs glue hole 12, and due to separating the small volume of acoustic aperture 7, the first connection sheet 10 is molded with acoustic aperture 9 is separated
Lap it is also smaller, bonding strength is lower.It grabs glue hole 12 by being opened up in the first connection sheet 10 and can increase by the first company
Contact pin 10 and the bonding strength for separating acoustic aperture 9, improve the reliability of product.Second connection sheet 11 passes through injection molding manner with middle shell 7
It is integrally formed, middle shell 7 is provided with missing portion, and the end surface of the second connection sheet 11 is made to be exposed to the outside of middle shell 7, the first connection
Piece 10 is overlapped on the surface of the second connection sheet 11, so as to carry out laser welding connection to the two.
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 13, the side of separation acoustic aperture 9 is fixedly connected in fixing groove 13.Specifically, separation acoustic aperture 9 is fixed by way of gluing
Be connected in fixing groove 13, 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.
In order to reduce the difficulty of assembly separation acoustic aperture 9 and middle shell 7, present embodiment is further by the width of fixing groove 13
It is set greater than the sidewall thickness of separation acoustic aperture 9, convenient for the side for separating acoustic aperture 9 to be put into fixing groove 13.Due to separation sound
Hole 9 is fixed in fixing groove 13 by way of gluing, and excessive glue influences the beauty of product in order to prevent.As shown in figure 4, separation sound
Hole 9 is equipped with step 14 corresponding with the top surface of 13 side wall of fixing groove, is overlapped on the top surface of 13 side wall of fixing groove by step 14,
Make to separate and there is gap between the bottom surface of 9 side wall of acoustic aperture and the bottom surface of fixing groove 13.Since the width of fixing groove 13 is greater than separation
The thickness of 9 side wall of acoustic aperture, therefore also there is gap between the two sides and bottom surface and fixing groove 13 of separation 9 side wall of acoustic aperture, gap connects
Logical that glue groove 15 is collectively formed, glue groove 15, which is used to accommodate extra glue, 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
Be connected thereto equipped with one end, the other end be located at separation acoustic aperture on the outside of the first connection sheet, the module casing be equipped with can with it is described
The second connection sheet that first connection sheet is welded to connect, the separation acoustic aperture around it is described go out acoustic aperture be arranged, and with the mould group shell
Body secure bond, the separation acoustic aperture have sealing ring far from the side secure bond of module casing.
2. loudspeaker mould group according to claim 1, which is characterized in that one end upper surface of second connection sheet is located at
The outside of the module casing, first connection sheet and the second connection sheet overlap joint welding.
3. loudspeaker mould group according to claim 1, which is characterized in that first connection sheet passes through injection molding manner and institute
It states separation acoustic aperture to be integrally formed, second connection sheet is integrally formed by injection molding manner and the module casing.
4. loudspeaker mould group according to claim 3, which is characterized in that first connection sheet offers one or more
It can be improved the first connection sheet and grab glue hole with separate acoustic aperture bonding strength.
5. loudspeaker mould group according to claim 1, which is characterized in that first connection sheet is with the second connection sheet
Metal connecting sheet.
6. loudspeaker mould group according to claim 1, which is characterized in that the module casing around the acoustic aperture out concaves
It falls into and forms annular fixing groove, one end secure bond of the separation acoustic aperture is in the fixing groove.
7. loudspeaker mould group according to claim 6, which is characterized in that the separation acoustic aperture passes through gluing and the fixation
Slot connection.
8. loudspeaker mould group according to claim 6, which is characterized in that the width of the fixing groove is greater than the separation sound
The sidewall thickness in hole.
9. loudspeaker mould group according to claim 8, which is characterized in that the separation acoustic aperture is equipped with and the fixing groove side
The corresponding step in the top surface of wall, the step are overlapped on the top surface of the fixed groove sidewall, the separation acoustic aperture side wall
The gap having between two sides and bottom surface and the fixing groove forms glue groove.
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 |
|---|---|---|---|
| CN201811190991.9A CN108924718B (en) | 2018-10-12 | 2018-10-12 | Loudspeaker module |
| PCT/CN2018/125577 WO2020073535A1 (en) | 2018-10-12 | 2018-12-29 | Loudspeaker module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811190991.9A CN108924718B (en) | 2018-10-12 | 2018-10-12 | Loudspeaker module |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108924718A true CN108924718A (en) | 2018-11-30 |
| CN108924718B CN108924718B (en) | 2020-06-02 |
Family
ID=64407984
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811190991.9A Active CN108924718B (en) | 2018-10-12 | 2018-10-12 | Loudspeaker module |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN108924718B (en) |
| WO (1) | WO2020073535A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109327774A (en) * | 2018-12-03 | 2019-02-12 | 歌尔股份有限公司 | A kind of speaker housings and its forming method |
| WO2020073535A1 (en) * | 2018-10-12 | 2020-04-16 | 歌尔股份有限公司 | Loudspeaker module |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4047519B1 (en) | 2021-02-22 | 2024-08-07 | Carl Zeiss Vision International GmbH | Devices and methods for processing eyeglass prescriptions |
| EP4101367A1 (en) | 2021-06-09 | 2022-12-14 | Carl Zeiss Vision International GmbH | Method and device for determining a visual performance |
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| CN204291379U (en) * | 2014-12-25 | 2015-04-22 | 歌尔声学股份有限公司 | A kind of loud speaker module |
| US20160119718A1 (en) * | 2013-05-18 | 2016-04-28 | Goertek Inc. | Double-vibrating-diaphragm loudspeaker module |
| CN207802259U (en) * | 2017-12-21 | 2018-08-31 | 歌尔科技有限公司 | Microphone assembly and earphone for noise reduction electronic equipment |
| CN207835804U (en) * | 2018-02-26 | 2018-09-07 | 歌尔科技有限公司 | Sound-producing device and electronic product |
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| KR101983792B1 (en) * | 2012-07-30 | 2019-05-29 | 삼성전자주식회사 | Speaker module for portable terminal |
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| CN205812302U (en) * | 2016-07-18 | 2016-12-14 | 上海新世纪机器人有限公司 | A kind of speaker and electric car handle |
| CN207099323U (en) * | 2017-08-02 | 2018-03-13 | 瑞声科技(新加坡)有限公司 | Loudspeaker |
| CN108924718B (en) * | 2018-10-12 | 2020-06-02 | 歌尔股份有限公司 | Loudspeaker module |
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2018
- 2018-10-12 CN CN201811190991.9A patent/CN108924718B/en active Active
- 2018-12-29 WO PCT/CN2018/125577 patent/WO2020073535A1/en active Application Filing
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20160119718A1 (en) * | 2013-05-18 | 2016-04-28 | Goertek Inc. | Double-vibrating-diaphragm loudspeaker module |
| CN204291379U (en) * | 2014-12-25 | 2015-04-22 | 歌尔声学股份有限公司 | A kind of loud speaker module |
| CN207802259U (en) * | 2017-12-21 | 2018-08-31 | 歌尔科技有限公司 | Microphone assembly and earphone for noise reduction electronic equipment |
| CN207835804U (en) * | 2018-02-26 | 2018-09-07 | 歌尔科技有限公司 | Sound-producing device and electronic product |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020073535A1 (en) * | 2018-10-12 | 2020-04-16 | 歌尔股份有限公司 | Loudspeaker module |
| CN109327774A (en) * | 2018-12-03 | 2019-02-12 | 歌尔股份有限公司 | A kind of speaker housings and its forming method |
| WO2020113741A1 (en) * | 2018-12-03 | 2020-06-11 | 歌尔股份有限公司 | Speaker outer housing and forming method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2020073535A1 (en) | 2020-04-16 |
| CN108924718B (en) | 2020-06-02 |
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