CN204681580U - Loud speaker module - Google Patents
Loud speaker module Download PDFInfo
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- CN204681580U CN204681580U CN201520399010.7U CN201520399010U CN204681580U CN 204681580 U CN204681580 U CN 204681580U CN 201520399010 U CN201520399010 U CN 201520399010U CN 204681580 U CN204681580 U CN 204681580U
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- housing
- steel disc
- loud speaker
- speaker module
- electrical connection
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Abstract
The utility model discloses a kind of loud speaker module, relate to electro-acoustic product technical field, comprise the first housing and the second housing that combine, contain loudspeaker monomer in the space that described first housing and described second housing surround, whole module inner chamber is divided into the front operatic tunes and the rear operatic tunes two cavitys by described loudspeaker monomer; On described first housing, the position of corresponding described loudspeaker monomer is combined with the first steel disc, described second housing is provided with the electrical connector for being electrically connected described first steel disc and terminal earth point, and the electric connection point between described electrical connector and described first steel disc is arranged in described module inner chamber.The utility model loud speaker module solves bad order and the production cost high-technology problem of loud speaker module in prior art, the utility model loud speaker module ensure that when ensure that the good earth of steel disc module outward appearance is good, production cost is low simultaneously, and production efficiency is high.
Description
Technical field
The utility model relates to electro-acoustic product technical field, particularly a kind of loud speaker module.
Background technology
Loud speaker module is the important acoustic element of portable electric appts, for completing the conversion between the signal of telecommunication and voice signal, is a kind of energy conversion device.Existing loud speaker module generally includes module shell, and module shell is combined into by least two housings usually, contains loudspeaker monomer in the space that each housing surrounds jointly.Along with the continuous miniaturization of portable electric appts; loud speaker module as the primary acoustic parts of portable electric appts is also constantly diminishing thereupon; when loud speaker module casing volume constantly diminishes; in order to increase the space of vibration area; usually the injection molding material shell above vibration area can be replaced by steel disc; steel disc is combined with other position injection moulding of this shell; steel disc meets the intensity of module shell when thickness is less, thus adds the space of vibration area in Z-direction (thickness direction of module).But the introducing of steel disc adds the metallic region of loud speaker module, in limited space, the non-metallic regions caused between other parts of loud speaker module and portable electric appts reduces by the increase of loud speaker module metallic region, therefore arranging of steel disc can produce interference to other parts (antenna etc. as mobile phone) of portable electric appts, thus reduces the reliability and stability of portable electric appts.
In order to solve the problems of the technologies described above, technical staff draws earth terminal on steel disc, it is made to be connected with the earth terminal of portable electric appts, thus reduce steel disc to the interference of other parts, existing steel disc ground connection normally fetches realization on the surface of module shell by Laser Welding, but, the mode of this kind of laser welding can exert an adverse impact to module shell, the cost of Laser Welding is higher simultaneously, namely reduces the appearance yield of loud speaker module, in turn increases the production cost of loud speaker module.
Utility model content
For above defect, technical problem to be solved in the utility model is to provide a kind of loud speaker module, and this loud speaker module steel disc earthing effect is good, and module outward appearance is good simultaneously.
For solving the problems of the technologies described above, the technical solution of the utility model is:
A kind of loud speaker module, comprise the first housing and the second housing that combine, contain loudspeaker monomer in the space that described first housing and described second housing surround, whole module inner chamber is divided into the front operatic tunes and the rear operatic tunes two cavitys by described loudspeaker monomer; On described first housing, the position of corresponding described loudspeaker monomer is combined with the first steel disc, described second housing is provided with the electrical connector for being electrically connected described first steel disc and terminal earth point, and the electric connection point between described electrical connector and described first steel disc is arranged in described module inner chamber.
Wherein, described electrical connector is the second steel disc that injection moulding is combined in the strip on described second housing, and one end of described second steel disc is provided with the first connecting portion be electrically connected with described first steel disc; The other end of described second steel disc is provided with the second connecting portion be electrically connected with described terminal earth point, and described second connecting portion passes from the sidewall of described second housing.
Wherein, a lateral edge portion of described first steel disc extends an electrical connection section laterally, and described electrical connection section is electrically connected with described first connecting portion.
Wherein, described electrical connection section is to described rear operatic tunes direction bending, and the described electric connection point between described electrical connection section and described first connecting portion is positioned at the described rear operatic tunes.
Wherein, described first connecting portion bends to described electrical connection section direction, and on described second housing, the position of corresponding described first connecting portion is provided with electrical connection hole, and described first connecting portion is electrically connected from described electrical connection hole with described electrical connection section.
Wherein, the side of described first connecting portion contacts with described electrical connection section, and in the exposed operatic tunes in the rear of opposite side of described first connecting portion, and described first connecting portion is provided with the first through hole.
Wherein, described first connecting portion is electrically connected by the tin cream or conducting resinl being filled in described first through hole with described electrical connection section.
Wherein, described second housing is provided with the installation portion for fixing described loudspeaker monomer, and described installation portion is looped around the periphery of described loudspeaker monomer, and described second steel disc is injection-moulded on described installation portion.
Wherein, described loud speaker module is rectangle structure, and described loudspeaker monomer is arranged on one end of described module, and the sidewall of described second housing near described loudspeaker monomer one end is provided with phonate hole, and described phonate hole is communicated with the described front operatic tunes.
Wherein, described first steel disc and described first housing are combined as a whole by Shooting Technique, and on described first housing, the position of corresponding described electrical connection section is provided with a boss, and described electrical connection section is injection-moulded on described boss.
After have employed technique scheme, the beneficial effects of the utility model are:
Because the utility model loud speaker module comprises shell, shell comprises the first housing and the second housing that combine, on first housing, the position of corresponding loudspeaker monomer is injected with the first steel disc, second housing is provided with the electrical connector of electrical connection first steel disc and terminal earth point, and the electric connection point between electrical connector and the first steel disc is arranged in module inner chamber.The electric connection point of the first steel disc and electrical connector is arranged in module inner chamber, while the good earth achieving the first steel disc, can not have an impact, ensure that the good of module outward appearance to the outward appearance of module.
Because the side of the first connecting portion of the second steel disc contacts with electrical connection section, the opposite side of the first connecting portion is exposed in the rear operatic tunes, and the first connecting portion is provided with the first through hole.First through hole be arranged so that operating personnel are before the sealing of the rear operatic tunes, adopt tin cream or conducting resinl can realize the second steel disc and are connected with the good electrical of the first steel disc, thus realize the good earth of the first steel disc.Tin cream welding is lower with mode cost compared with laser welding of the prior art of conductive adhesive, thus while ensure that the first steel disc good earth, effectively reduces the production cost of loud speaker module.
Because the second steel disc is combined with the second housing injection moulding, the first through hole disposed thereon can be used as location and uses when injection moulding, thus can realize the batch production of the second housing, improves consistency and the production efficiency of product.
In sum, the utility model loud speaker module solves bad order and the production cost high-technology problem of loud speaker module in prior art, the utility model loud speaker module ensure that when ensure that the good earth of steel disc module outward appearance is good, production cost is low simultaneously, and production efficiency is high.
Accompanying drawing explanation
Fig. 1 is the stereo decomposing structural representation of the utility model loud speaker module;
Fig. 2 is the constitutional diagram of Fig. 1--the first housing is upper;
Fig. 3 is the A-A line cutaway view of Fig. 2;
Fig. 4 is the constitutional diagram of Fig. 1--the first housing under;
Fig. 5 is the structural representation of the first housing in Fig. 1;
Fig. 6 is the structural representation of the second housing in Fig. 1;
Fig. 7 is the first steel disc of the utility model loud speaker module and the electrical connection schematic diagram of the second steel disc;
In figure: 10, the first housing, the 12, first steel disc, 120, electrical connection section, 14, boss, the 20, second housing, 200, electrical connection hole, 22, the second steel disc, the 220, first connecting portion, the 222, first through hole, 224, the second connecting portion, the 226, second through hole, 24, installation portion, 30, the 3rd housing, 40, loudspeaker monomer, 50, solder(ing) paste, 60, phonate hole, 70, the rear operatic tunes, 72, the front operatic tunes.
Embodiment
Below in conjunction with drawings and Examples, set forth the utility model further.
As shown in Figure 1, Figure 2 with Fig. 3 jointly shown in, a kind of loud speaker module, for rectangle structure, comprise module shell, module shell is made up of the first housing 10, second housing 20 combined successively and the 3rd housing 30, contain loudspeaker monomer 40 in the space that first housing 10, second housing 20 and the 3rd housing 30 surround jointly, loudspeaker monomer 40 is positioned at one end of module, and whole module inner chamber is divided into the front operatic tunes 72 and the rear operatic tunes 70 two cavitys by loudspeaker monomer 40.
As Fig. 1 and Fig. 5 jointly shown in, on first housing 10, the position injection moulding of corresponding loudspeaker monomer 40 is combined with the first steel disc 12, first steel disc 12 is rectangular configuration, the end of one lateral edges extends outward an electrical connection section 120, electrical connection section 120 backward the operatic tunes direction bending, namely from the inner side of the first housing 10, the surface of electrical connection section 120 is higher than the surface of the first steel disc 12 body.The position of the corresponding electrical connection section 120 in inner side of the first housing 10 is provided with a boss 14, and electrical connection section 120 injection moulding is combined on boss 14, and the side surface exposure of electrical connection section 120 is in the outside of boss 14.
As Fig. 1 and Fig. 6 jointly shown in, second housing 20 is provided with the installation portion 24 for fixing loudspeaker monomer 40, installation portion 24 is U-shaped structure, the both sides long side wall of its dual-side and the second housing 20 is combined as a whole, its openend and the second housing 20 are combined as a whole near the side minor face sidewall of loudspeaker monomer 40, and surround the installing space of the loudspeaker monomer received 40 of a rectangle with this sidewall.On one side of installation portion 24, injection moulding is combined with the electrical connector for being electrically connected the first steel disc 12 and terminal (portable electric appts) earth point, and electrical connector is the thin slice of strip, and its material is steel matter, is defined as the second steel disc 22.One end of second steel disc 22 is that the other end of the first connecting portion 220, second steel disc 22 be electrically connected with the electrical connection section 120 of the first steel disc 12 is provided with the second connecting portion 224, second connecting portion 224 and passes from the sidewall of the second housing 20 and be electrically connected with terminal earth point.
As Fig. 3, Fig. 6 and Fig. 7 jointly shown in, first connecting portion 220 bends to electrical connection section 120 direction, on the installation portion 24 of the second housing 20, the position of corresponding first connecting portion 220 is provided with an electrical connection hole 200, electrical connection hole 200 is through hole, first connecting portion 220 exposes from electrical connection hole 200 surface that installation portion 24 is positioned at the front operatic tunes 72 side, this side surface of first connecting portion 220 contacts with electrical connection section 120, the opposite side surface of the first connecting portion 220 is exposed in the rear operatic tunes 70 from electrical connection hole 200, namely the electric connection point between the first steel disc 12 and the second steel disc 22 is positioned at the rear operatic tunes 70.First connecting portion 220 is provided with the first through hole 222, when the rear operatic tunes 70 goes back unsealing, when namely the 3rd housing 30 is not also combined on the second housing 20, the first steel disc 12 and the second steel disc 22 can be electrically connected by solder(ing) paste 50 at the first through hole 222 place.Also by the conducting resinl be filled in the first through hole 222, first steel disc 12 and the second steel disc 22 can be electrically connected herein.No matter be adopt solder(ing) paste electrical connection, or adopt conducting resinl electrical connection all can not cause harmful effect to the outward appearance of module, and these two kinds of electric connection mode are all low than laser welding cost of the prior art.
As shown in Figure 6, the second connecting portion 224 of the second steel disc 22 be provided with the second through hole 226, second through hole 226 can realize with terminal earth point weld or screw is electrically connected.
As shown in Figure 6, carry out the second housing 20 and the second steel disc 22 injection moulding in conjunction with time, first through hole 222 and the second through hole 226 can be used as injection moulding location hole, realize the accurate location of the second steel disc 22 in injection mold, very well realization can be injected with the batch production of the second housing 20 of the second steel disc 22.
As Fig. 1 and Fig. 4 jointly shown in, the second housing 20 is provided with phonate hole 60 near the side minor face sidewall of loudspeaker monomer 40, and phonate hole 60 is communicated with the front operatic tunes, and the sound that loudspeaker monomer 40 sends is radiated the outside of loud speaker module from phonate hole 60.
The utility model passes through injection moulding electrical connector on the second housing, the earth point of the first steel disc is arranged in the inner chamber of module, has namely achieved the good earth of the first steel disc, also assures that the good of module outward appearance simultaneously, also reduce production cost simultaneously, improve production efficiency.
Above-described embodiment is only arrange electrical connector on the second housing to the utility model, the earth point of steel disc is arranged on illustrating of the technical scheme in module inner chamber, in practical application, the structure of loud speaker module is not limited in above-mentioned structure, the technical solution of the utility model is applicable to any one housing and is provided with steel disc, and need in the loud speaker module of steel disc ground connection, those skilled in the art do not need to pay any creative work according to the description of above-described embodiment and just the technical solution of the utility model can be applied in the loud speaker module of other structure, therefore no matter whether other structure of loud speaker module is same as the previously described embodiments, as long as have employed, electrical connector is set on the housing not being provided with steel disc, the earth point of steel disc is arranged in module inner chamber, in order to improve module outward appearance, the product reducing production cost all falls in protection range of the present utility model.
Band sequenced feature name (as the first housing, the second housing and the 3rd housing) related in this specification is only to distinguish technical characteristic, does not represent the position relationship between each feature, assembling sequence and job order etc.
The utility model is not limited to above-mentioned concrete execution mode, and those of ordinary skill in the art is from above-mentioned design, and without performing creative labour, all conversion made, all drop within protection range of the present utility model.
Claims (10)
1. loud speaker module, comprise the first housing and the second housing that combine, contain loudspeaker monomer in the space that described first housing and described second housing surround, whole module inner chamber is divided into the front operatic tunes and the rear operatic tunes two cavitys by described loudspeaker monomer; On described first housing, the position of corresponding described loudspeaker monomer is combined with the first steel disc, it is characterized in that, described second housing is provided with the electrical connector for being electrically connected described first steel disc and terminal earth point, and the electric connection point between described electrical connector and described first steel disc is arranged in described module inner chamber.
2. loud speaker module according to claim 1, is characterized in that, described electrical connector is the second steel disc that injection moulding is combined in the strip on described second housing, and one end of described second steel disc is provided with the first connecting portion be electrically connected with described first steel disc; The other end of described second steel disc is provided with the second connecting portion be electrically connected with described terminal earth point, and described second connecting portion passes from the sidewall of described second housing.
3. loud speaker module according to claim 2, is characterized in that, a lateral edge portion of described first steel disc extends an electrical connection section laterally, and described electrical connection section is electrically connected with described first connecting portion.
4. loud speaker module according to claim 3, is characterized in that, described electrical connection section is to described rear operatic tunes direction bending, and the described electric connection point between described electrical connection section and described first connecting portion is positioned at the described rear operatic tunes.
5. loud speaker module according to claim 4, it is characterized in that, described first connecting portion bends to described electrical connection section direction, on described second housing, the position of corresponding described first connecting portion is provided with electrical connection hole, and described first connecting portion is electrically connected from described electrical connection hole with described electrical connection section.
6. the loud speaker module according to claim 4 or 5, it is characterized in that, the side of described first connecting portion contacts with described electrical connection section, and in the exposed operatic tunes in the rear of opposite side of described first connecting portion, and described first connecting portion is provided with the first through hole.
7. loud speaker module according to claim 6, is characterized in that, described first connecting portion is electrically connected by the tin cream or conducting resinl being filled in described first through hole with described electrical connection section.
8. loud speaker module according to claim 7, it is characterized in that, described second housing is provided with the installation portion for fixing described loudspeaker monomer, and described installation portion is looped around the periphery of described loudspeaker monomer, and described second steel disc is injection-moulded on described installation portion.
9. loud speaker module according to claim 8, it is characterized in that, described loud speaker module is rectangle structure, described loudspeaker monomer is arranged on one end of described module, the sidewall of described second housing near described loudspeaker monomer one end is provided with phonate hole, and described phonate hole is communicated with the described front operatic tunes.
10. loud speaker module according to claim 9, it is characterized in that, described first steel disc and described first housing are combined as a whole by Shooting Technique, and on described first housing, the position of corresponding described electrical connection section is provided with a boss, and described electrical connection section is injection-moulded on described boss.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520399010.7U CN204681580U (en) | 2015-06-10 | 2015-06-10 | Loud speaker module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520399010.7U CN204681580U (en) | 2015-06-10 | 2015-06-10 | Loud speaker module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204681580U true CN204681580U (en) | 2015-09-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520399010.7U Active CN204681580U (en) | 2015-06-10 | 2015-06-10 | Loud speaker module |
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| Country | Link |
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| CN (1) | CN204681580U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107222816A (en) * | 2017-06-27 | 2017-09-29 | 歌尔股份有限公司 | Sound-producing device module |
| WO2021077460A1 (en) * | 2019-10-24 | 2021-04-29 | 瑞声声学科技(深圳)有限公司 | Loudspeaker box and terminal device |
-
2015
- 2015-06-10 CN CN201520399010.7U patent/CN204681580U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107222816A (en) * | 2017-06-27 | 2017-09-29 | 歌尔股份有限公司 | Sound-producing device module |
| CN107222816B (en) * | 2017-06-27 | 2023-08-04 | 歌尔股份有限公司 | Sound production device module |
| WO2021077460A1 (en) * | 2019-10-24 | 2021-04-29 | 瑞声声学科技(深圳)有限公司 | Loudspeaker box and terminal device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 261031 Dongfang Road, Weifang high tech Industrial Development Zone, Shandong, China, No. 268 Patentee after: Goertek Inc. Address before: 261031 Dongfang Road, Weifang high tech Industrial Development Zone, Shandong, China, No. 268 Patentee before: Goertek Inc. |