CN102523550A - Miniature loudspeaker module and manufacturing method thereof - Google Patents
Miniature loudspeaker module and manufacturing method thereof Download PDFInfo
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- CN102523550A CN102523550A CN2011104483040A CN201110448304A CN102523550A CN 102523550 A CN102523550 A CN 102523550A CN 2011104483040 A CN2011104483040 A CN 2011104483040A CN 201110448304 A CN201110448304 A CN 201110448304A CN 102523550 A CN102523550 A CN 102523550A
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Abstract
The invention discloses a miniature loudspeaker module and a manufacturing method thereof. The miniature loudspeaker module comprises a loudspeaker unit and an outer casing, and the outer casing is used for holding and fixing the loudspeaker unit. The outer casing consists of an upper casing and a lower casing which are integrated, the space inside the outer casing includes a mounting portion for mounting the loudspeaker unit, each of the upper casing and the lower casing is provided with a body made of plastics, two mounting holes are arranged at the positions of the bodies corresponding to the mounting portion, inserts made of metal are arranged on the two mounting holes, the thickness of each insert is smaller than that of each body, the thickness of the module can be reduced by the above design and thinning of products is realized. In the manufacturing method of the miniature loudspeaker module, positioning parts are integrally formed on the upper insert and the lower insert which are made of metal, the upper insert and the lower insert are positioned on an injection mold accurately through the positioning parts, then the body of the upper casing combined with the periphery of the upper insert and the body of the lower casing combined with the periphery of the lower insert are formed by injection molding, thereby yield and production efficiency of products are improved.
Description
Technical field
The present invention relates to the electroacoustic field, be specifically related to a kind of Microspeaker module and manufacturing approach thereof.
Background technology
Now, portable type electronic product develops to the direction of slimming, as the also slimming day by day of Microspeaker module of important acoustical device.The Microspeaker module comprises loudspeaker monomer, and accommodates the fixedly shell of loudspeaker monomer, and shell generally is to be combined by upper shell and lower house to constitute; Upper shell and lower house adopt plastic material; In order to guarantee its intensity, need both to have certain thickness, be generally 0.5mm.But; Need ccontaining loudspeaker monomer and the back operatic tunes and/or the preceding operatic tunes in the cavity that upper shell and lower house form; For need guaranteeing the cavity that upper shell and lower house form, the acoustical behavior that guarantees product has certain volume; Because plastics upper shell and lower house need have suitable thickness and can guarantee its intensity, be difficult in the prior art in the slimming of Microspeaker module and make improvement.Therefore,, be necessary the Microspeaker module of said structure is improved, to realize the slimming of Microspeaker module in order to adapt to the development trend of electronic product slimming.
Summary of the invention
Technical problem to be solved by this invention is: a kind of Microspeaker module is provided, can reduces the thickness of Microspeaker module, realize the slimming of product; A kind of manufacturing approach of above-mentioned Microspeaker module also is provided, solves the inaccurate problem in the mutual location of parts in the production process, improve the rate of finished products and the production efficiency of product.
For solving the problems of the technologies described above; Technical scheme of the present invention is: the Microspeaker module; The shell that comprises loudspeaker monomer and accommodate fixing said loudspeaker monomer; Said shell is made up of upper shell that combines and lower house, and the space in the said shell comprises the installation portion that is used to install said loudspeaker monomer; Wherein:
Said upper shell comprises the upper shell body that plastic material is processed; The position of corresponding said installation portion has first installing hole on the said upper shell body; Inserts on being provided with on said first installing hole that metal material processes, the said thickness of going up the thickness of inserts less than said upper shell body;
Said lower house comprises the lower house body that plastic material is processed; The position of corresponding said installation portion has second installing hole on the said lower house body; On said second installing hole, be provided with the following inserts that metal material is processed, the thickness of said inserts down is less than the thickness of said lower house body.
As a kind of optimized technical scheme, said down inserts is provided with the reinforcement of protrusion towards the one side of said loudspeaker monomer, and said reinforcement contacts with said loudspeaker monomer.
As a kind of optimized technical scheme, said upward inserts and said inserts are down processed by stainless steel material.
As a kind of optimized technical scheme, the thickness of said upper shell body and said lower house body is 0.5mm, and said upward inserts and the said thickness of inserts down are 0.2mm.
The manufacturing approach of above-mentioned Microspeaker module comprises the procedure of processing of upper shell, the procedure of processing of lower house and the number of assembling steps between the Microspeaker module parts, and the procedure of processing of said upper shell comprises:
The procedure of processing of said lower house comprises:
Before number of assembling steps, in the number of assembling steps process or after the number of assembling steps, said first keeper and second keeper of going up on the inserts on the said inserts down removed.
As a kind of optimized technical scheme, said number of assembling steps comprises the framework that places upper shell and lower house to form loudspeaker monomer, and with upper shell and lower house secure bond.
As a kind of optimized technical scheme; The position that position that said first joint portion is connected with said first keeper and said second joint portion are connected with said second keeper is equipped with prejudges portion, through prejudging portion and interrupt and remove said first keeper and second keeper of going up on the inserts on the said inserts down said.
As a kind of optimized technical scheme, said first joint portion is around said edge setting of going up inserts, and setting is interrupted along the said edge of inserts down in said second joint portion.
As a kind of optimized technical scheme, the said inserts of going up is provided with two first keepers, and said inserts down is provided with two second keepers.
After having adopted technique scheme, the invention has the beneficial effects as follows:
1. Microspeaker module of the present invention; Compare with traditional structure; The upper shell that constitutes shell comprises the upper shell body that plastic material is processed, and the position of corresponding installation portion has first installing hole on the upper shell body, inserts on being provided with on first installing hole that metal material processes; Lower house comprises the lower house body that plastic material is processed; The position of corresponding installation portion has second installing hole on the lower house body; On second installing hole, be provided with the following inserts that metal material is processed, the thickness of last inserts, following inserts is less than the thickness of upper shell body, lower house body.Because upper shell body that plastic material is processed and lower house body are in order to reach required intensity; Thickness is generally 0.5mm; And the last inserts that metal material is processed and following inserts can reach desirable strength when its thickness is the 0.2mm left and right sides, therefore, and under the constant situation of product integral thickness; It is big that the cavity volume that forms between last inserts and the following inserts becomes; Under the constant situation of the cavity volume that on guaranteeing, forms between inserts and the following inserts so, can reduce the integral thickness of product, the slimming of realization product.
2. the Microspeaker module of said structure in process of production; Last inserts, down inserts respectively with process that upper shell body, lower house body combine in; Last inserts, following inserts are moved easily and cause the location inaccurate; Be difficult to combine, cause rate of finished products lower, and reduced production efficiency.The manufacturing approach of Microspeaker module of the present invention; Solved above-mentioned technical problem; On inserts on the metal material and following inserts, be formed with keeper, at first will go up inserts and be accurately positioned on the injection mold, the upper shell body that injection moulding forms and last inserts periphery combines then with following inserts through keeper; And the lower house body that combines with following inserts periphery, thereby the rate of finished products and the production efficiency of product have been improved.And the edge of last inserts sinks to forming the first step-like joint portion; Rise on the edge of following inserts and form the second step-like joint portion; Above-mentioned design can be so that inserts on the metal, upper shell body, the lower house body strong bonded of inserts and plastic material down, the raising rate of finished products.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the present invention is further specified.
Fig. 1 is the perspective exploded view of Microspeaker module of the present invention;
Fig. 2 is the perspective view of inserts on the Microspeaker module of the present invention;
Fig. 3 is the structure for amplifying sketch map of E part shown in Figure 2
Fig. 4 is an inserts and the fixing perspective view that goes up first injection mold of inserts on the Microspeaker module of the present invention;
Fig. 5 is the perspective view after inserts and the injection moulding of upper shell body on the Microspeaker module of the present invention;
Fig. 6 is the perspective view of inserts under the Microspeaker module of the present invention;
Fig. 7 is an inserts and the fixing perspective view of second injection mold of inserts down under the Microspeaker module of the present invention;
Fig. 8 is the perspective view after inserts and the injection moulding of lower house body under the Microspeaker module of the present invention;
Fig. 9 is the perspective view of Microspeaker module of the present invention;
Figure 10 is the D-D cutaway view of Microspeaker module shown in Figure 9.
Among the figure: 1. upper shell, 11. upper shell bodies, 111. first installing holes, 112. the 3rd installing holes, inserts on 12., 121. first joint portions; 13. sound passing member, 131. phonate holes, 2. lower house, 21. lower house bodies, 211. second installing holes, 22. times inserts; 221. reinforcement, 222. second joint portions, 3. loudspeaker monomer, 4. connector, 5. first keeper, 51. first location holes; 6. prejudge portion, 7. second keeper, 71. second location holes are 8. prejudged portion, 9. first injection mold; 10. second injection mold, the operatic tunes before the A. installation portion, A1., B. sound conducting part, the operatic tunes behind the C..
Embodiment
Like Fig. 1, Fig. 9 and shown in Figure 10, the Microspeaker module comprises loudspeaker monomer 3 and accommodates the fixedly shell of loudspeaker monomer 3 that shell is made up of upper shell that combines 1 and lower house 2.The Microspeaker module also is provided with connector 4, and connector 4 makes the Microspeaker module be electrically connected with external electronic circuits.
Space in the shell comprises the installation portion A that is used to install loudspeaker monomer 3.Upper shell 1 comprises the upper shell body 11 that plastic material is processed; The position of corresponding installation portion A has first installing hole 111 on upper shell body 11; Inserts 12 on being provided with on first installing hole 111 that metal material processes, thickness of inserts 12 is less than the thickness of upper shell body 11 on this.Lower house 2 comprises the lower house body 21 that plastic material is processed; The position of corresponding installation portion A has second installing hole 211 on lower house body 21; On second installing hole 211, be provided with the following inserts 22 that metal material is processed, the thickness of following inserts 22 is less than the thickness of lower house body 21.In this implementation process; Upper shell body 11 that plastic material is processed and lower house body 21 are in order to reach required intensity; Thickness is processed as 0.5mm, and the last inserts 12 that metal material is processed is reduced to 0.2mm with following inserts 22 thickness, has reached enough intensity.
Preferably, last inserts 12 all adopts the stainless steel material that often uses in the production to process with following inserts 22.The present invention the position of corresponding installation portion on the shell of plastic material be provided with respectively metal material on inserts 12 and following inserts 22; This structure can be under the situation of cavity (the being installation portion A) constancy of volume that forms between inserts 12 and the following inserts 22 in the assurance; Reduce the integral thickness of product, realize the slimming of product.
In addition, be provided with the reinforcement 221 of protrusion at following inserts 22 towards the one side of loudspeaker monomer 3, reinforcement 221 contacts with loudspeaker monomer 3.The following inserts 22 of this employing reinforcement 221, because reinforcement 221 directly contacts with loudspeaker monomer 3, therefore, the heat that loudspeaker monomer 3 produces can shed through the following inserts 22 of stainless steel material, helps the heat radiation of loudspeaker monomer 3.
Installation portion A is all bigger part of shell inner height and space, in installation portion A, forms the preceding operatic tunes A1 of Microspeaker device between loudspeaker monomer 3 and the upper shell 1.The position of on upper shell 1, departing from installation portion A is provided with the 3rd installing hole 112, the three installing holes 112 and is provided with sound passing member 13, and phonate hole 131 is located on the sound passing member 13, and sound passing member 13 also has dustproof effect simultaneously.Space in the shell also comprises the sound conducting part B that is communicated with phonate hole 131 and preceding operatic tunes A1, and the sound guidance that loudspeaker monomer 3 is sent through sound conducting part B is to position that phonate hole 131 belongs to.Adopt above-mentioned design; It is limited that the present invention is suitable for the end product inner space; Loudspeaker monomer can't be installed in the situation of Microspeaker module over against the phonate hole position; This design can utilize the inner space of Microspeaker module fully, has guaranteed that the acoustical behavior of Microspeaker module is unaffected.
Space in the shell also comprises the back operatic tunes C of the side that is positioned at installation portion A, and the side of loudspeaker monomer 3 has sound penetrating hole, and back operatic tunes C is communicated with sound penetrating hole.Back operatic tunes C is positioned at the below of sound conducting part B, and both separate through interlayer.The design that this back operatic tunes C is located at loudspeaker monomer 3 sides can effectively utilize the inner space of Microspeaker module to guarantee the acoustical behavior of product equally.
The manufacturing approach of above-mentioned Microspeaker module comprises the procedure of processing of upper shell 1, the procedure of processing of lower house 2 and the number of assembling steps between the Microspeaker module parts.
Wherein, to shown in Figure 5, the procedure of processing of upper shell 1 comprises like Fig. 2:
To shown in Figure 8, the procedure of processing of lower house 2 comprises like Fig. 6:
Before number of assembling steps, in the number of assembling steps process or after the number of assembling steps, interrupt and remove first keeper of going up on the inserts 12 5, will prejudge portion 8 and interrupt second keeper 7 that removes on the inserts 22 down through prejudging portion 6.
Like Fig. 9 and shown in Figure 10, first keeper 5 that at first will go up on the inserts 12 removes, and second keeper 7 on the following inserts 22 is removed, and then loudspeaker monomer 3 is positioned in the lower house 2, at last with upper shell 1 and lower house 2 secure bond.Perhaps, at first loudspeaker monomer 3 is positioned in the lower house 2, with upper shell 1 and lower house 2 secure bond, first keeper 5 that will go up at last on the inserts 12 removes then, and second keeper 7 on the following inserts 22 is removed.Keeper also can be removed in the number of assembling steps process.
In addition, because the Microspeaker module also comprises connector 4 and sound passing member 13, the number of assembling steps of Microspeaker module also comprises the assembling of connector 4 and sound passing member 13, is routine operation, is not described in detail in this.
The present invention is provided with keeper respectively on inserts on the metal material 12 and following inserts 22 can make inserts 12 and following inserts 22 accurate in locating on injection mold; So that the injection mo(u)lding of upper shell body 11 and lower house body 21; Again keeper is removed after the moulding; Thereby can improve the rate of finished products that the Microspeaker module is produced, improve production efficiency of products.
Claims (9)
1. the Microspeaker module comprises loudspeaker monomer and accommodates the shell of fixing said loudspeaker monomer, and said shell is made up of upper shell that combines and lower house, and the space in the said shell comprises the installation portion that is used to install said loudspeaker monomer; It is characterized in that:
Said upper shell comprises the upper shell body that plastic material is processed; The position of corresponding said installation portion has first installing hole on the said upper shell body; Inserts on being provided with on said first installing hole that metal material processes, the said thickness of going up the thickness of inserts less than said upper shell body;
Said lower house comprises the lower house body that plastic material is processed; The position of corresponding said installation portion has second installing hole on the said lower house body; On said second installing hole, be provided with the following inserts that metal material is processed, the thickness of said inserts down is less than the thickness of said lower house body.
2. Microspeaker module as claimed in claim 1 is characterized in that: said down inserts is provided with the reinforcement of protrusion towards the one side of said loudspeaker monomer, and said reinforcement contacts with said loudspeaker monomer.
3. according to claim 1 or claim 2 Microspeaker module is characterized in that: saidly go up inserts and said inserts is down processed by stainless steel material.
4. Microspeaker module as claimed in claim 3 is characterized in that: the thickness of said upper shell body and said lower house body is 0.5mm, and said upward inserts and the said thickness of inserts down are 0.2mm.
5. the manufacturing approach of the said Microspeaker module of claim 1 comprises the procedure of processing of upper shell, the procedure of processing of lower house and the number of assembling steps between the Microspeaker module parts, it is characterized in that the procedure of processing of said upper shell comprises:
Step 1 forms inserts with the metal material punching press, and the said edge of going up inserts sinks to forming the first step-like joint portion, and integrated punching is formed with first keeper at the edge of said first joint portion, on said first keeper, is formed with first location hole;
Step 2; On first injection mold, have first fixed leg corresponding with said first location hole; At first said first fixed leg is inserted in said first location hole; The said inserts of going up is fixed on said first injection mold, and the perimeter injection moulding of inserts forms the upper shell body that combines with said first joint portion on said then;
The procedure of processing of said lower house comprises:
Step 1 with metal material punching press formation down inserts, rises on the edge of said inserts down and forms the second step-like joint portion, and integrated punching is formed with second keeper at the edge of said second joint portion, on said second keeper, is formed with second location hole;
Step 2; On second injection mold, have second fixed leg corresponding with said second location hole; At first said second fixed leg is inserted in said second location hole; Said inserts down is fixed on said second injection mold, forms the lower house body that combines with said second joint portion at the said perimeter injection moulding of inserts down then;
Before number of assembling steps, in the number of assembling steps process or after the number of assembling steps, said first keeper and second keeper of going up on the inserts on the said inserts down removed.
6. the manufacturing approach of Microspeaker module as claimed in claim 5 is characterized in that: said number of assembling steps comprises the framework that places upper shell and lower house to form loudspeaker monomer, and with upper shell and lower house secure bond.
7. like the manufacturing approach of claim 5 or 6 described Microspeaker modules; It is characterized in that: the position that position that said first joint portion is connected with said first keeper and said second joint portion are connected with said second keeper is equipped with prejudges portion, through prejudging portion and interrupt and remove said first keeper and second keeper of going up on the inserts on the said inserts down said.
8. the manufacturing approach of Microspeaker module as claimed in claim 7 is characterized in that: said first joint portion is around said edge setting of going up inserts, and setting is interrupted along the said edge of inserts down in said second joint portion.
9. the manufacturing approach of Microspeaker module as claimed in claim 8 is characterized in that: the said inserts of going up is provided with two first keepers, and said inserts down is provided with two second keepers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201110448304.0A CN102523550B (en) | 2011-12-28 | 2011-12-28 | Miniature loudspeaker module and manufacturing method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201110448304.0A CN102523550B (en) | 2011-12-28 | 2011-12-28 | Miniature loudspeaker module and manufacturing method thereof |
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| CN102523550A true CN102523550A (en) | 2012-06-27 |
| CN102523550B CN102523550B (en) | 2015-02-25 |
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Cited By (6)
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| CN103686553A (en) * | 2012-09-13 | 2014-03-26 | 新昌有限公司 | Loudspeaker structure |
| CN106303863A (en) * | 2016-11-04 | 2017-01-04 | 捷开通讯(深圳)有限公司 | A kind of loudspeaker sound emitting mouth structure for mobile terminal and mobile terminal |
| CN107839269A (en) * | 2017-10-27 | 2018-03-27 | 广东长盈精密技术有限公司 | The processing method of casting of electronic device |
| US20190141436A1 (en) * | 2016-05-20 | 2019-05-09 | Goertek Inc. | Sound Absorbing Assembly for Speaker Module and Speaker Module |
| CN110662156A (en) * | 2019-09-11 | 2020-01-07 | 厦门东声电子有限公司 | Loudspeaker half module with connecting circuit and manufacturing process |
| WO2020098101A1 (en) * | 2018-11-16 | 2020-05-22 | 歌尔股份有限公司 | Loudspeaker module |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103686553A (en) * | 2012-09-13 | 2014-03-26 | 新昌有限公司 | Loudspeaker structure |
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| WO2020098101A1 (en) * | 2018-11-16 | 2020-05-22 | 歌尔股份有限公司 | Loudspeaker module |
| CN110662156A (en) * | 2019-09-11 | 2020-01-07 | 厦门东声电子有限公司 | Loudspeaker half module with connecting circuit and manufacturing process |
| CN110662156B (en) * | 2019-09-11 | 2022-02-15 | 厦门东声电子有限公司 | Loudspeaker half module with connecting circuit and manufacturing process |
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|---|---|
| CN102523550B (en) | 2015-02-25 |
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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. |