CN203984676U - There is the mobile terminal of ultra-thin audio cavity structure - Google Patents

There is the mobile terminal of ultra-thin audio cavity structure Download PDF

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Publication number
CN203984676U
CN203984676U CN201420449295.6U CN201420449295U CN203984676U CN 203984676 U CN203984676 U CN 203984676U CN 201420449295 U CN201420449295 U CN 201420449295U CN 203984676 U CN203984676 U CN 203984676U
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CN
China
Prior art keywords
sound chamber
house
ultra
loud speaker
mobile terminal
Prior art date
Application number
CN201420449295.6U
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Chinese (zh)
Inventor
严笔祥
王小兵
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广东欧珀移动通信有限公司
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Priority to CN201420449295.6U priority Critical patent/CN203984676U/en
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Publication of CN203984676U publication Critical patent/CN203984676U/en

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Abstract

The utility model discloses a kind of mobile terminal with ultra-thin audio cavity structure, it is characterized in that, described ultra-thin sound chamber is arranged on the top of described mobile terminal, comprise sound chamber lower house, sound chamber upper shell and be fixedly installed on described sound chamber lower house and described sound chamber upper shell between loud speaker, the first terminal housing that described sound chamber upper shell is described mobile terminal, the two ends of described loud speaker are fixedly connected with described sound chamber upper shell and described sound chamber lower house respectively; Audio cavity structure described in the utility model is simple, and space connection and reasonable arrangement adopts first terminal housing to substitute traditional sound chamber upper shell and reduced the shared space of housing, can have larger sound cavity space on the mobile terminal of same thickness; Loud speaker and first terminal housing are fixed and are tightly connected and can ensure that front sound chamber has good tonequality, and rear sound chamber has enough ensured greatly bass effect.

Description

There is the mobile terminal of ultra-thin audio cavity structure
Technical field
The utility model relates to mobile electronic device technical field, relates in particular to a kind of mobile terminal with ultra-thin audio cavity structure.
Background technology
Along with the production technology of mobile network's mechanics of communication and portable mobile termianl reaches its maturity, portable mobile termianl has increasing function, the mobile terminals such as such as mobile phone have more increased multi-media player function except having traditional call function, in the process of play multimedia data video and audio frequency, the quality of sound is to determine that user, to product evaluation important indicator, arranges sound chamber conventionally in order to improve sound quality in mobile terminal.
The structure in sound chamber is different, and it is not identical to the quality influence of sound yet, require under normal circumstances that front sound chamber seals as far as possible, rear sound chamber is large as far as possible, but the size in sound chamber is just determined by the height in sound chamber after in the case of identical length and width, the higher sound of sound chamber height cavity volume is larger.But all as far as possible thin by its production of the design features such as current mobile terminal manufacturer is attractive in appearance in order to realize, light and handy, portable, this structurally with the more high better a pair of implacable contradiction that just produced of height in sound chamber, therefore how reasonably to design audio cavity structure and make its inner space that makes full use of mobile terminal, realizing as much as possible the height maximization of sound chamber is a problem urgently to be resolved hurrily in current audio cavity structure design.
Disclose a kind of audio cavity structure for solving the problems of the technologies described above in prior art, it comprises as shown in Figure 1, 2: sound chamber upper cover 1, sound chamber lower cover 2 and loud speaker 3; Described sound chamber upper cover 1 is provided with obstruct section 5, described sound chamber upper cover 1,2 sealings of sound chamber lower cover form sound cavity space and by obstruct section 5, described sound cavity space are cut apart and formed a plurality of sounds chamber, described a plurality of sounds chamber is communicated with by the through hole 4 being arranged on described obstruct section 5, and described loud speaker 3 is arranged in one of them of a plurality of sounds chamber.Described a plurality of sounds chamber is communicated with by the through hole 4 on obstruct section 5 between adjacent two sound chambeies, can make original less sound chamber become large, the in the situation that of electronic product limited space, makes sound chamber larger.
In technique scheme, the structure in sound chamber is not done to the most effective and reasonable simplification, do not realize to greatest extent the reasonable coordination of audio cavity structure and electronic product structure.
Utility model content
The technical problem that the utility model solves is: a kind of mobile terminal with ultra-thin audio cavity structure is provided, and its project organization simply, rationally can utilize the thickness space of mobile terminal to expand to greatest extent sound cavity volume fully.
For reaching this object, the utility model by the following technical solutions:
A kind of mobile terminal with ultra-thin audio cavity structure, described ultra-thin sound chamber is arranged on the top of described mobile terminal, comprise sound chamber lower house, sound chamber upper shell and be fixedly installed on described sound chamber lower house and described sound chamber upper shell between loud speaker, the first terminal housing that described sound chamber upper shell is described mobile terminal, the two ends of described loud speaker are fixedly connected with described sound chamber upper shell and described sound chamber lower house respectively.
The audio cavity structure of this mobile terminal substitutes the sound chamber upper shell in traditional audio cavity structure with the first terminal housing of mobile terminal, reduced the thickness of a sound chamber upper shell with respect to traditional structure, in saving material, reduced the thickness in sound chamber, thus saved mobile terminal by the reserved space of audio cavity structure is installed, reduced the integral thickness of mobile terminal.
As a kind of optimal technical scheme of mobile terminal with ultra-thin audio cavity structure, described loud speaker comprises magnetic bowl and front shroud, and described magnetic bowl and described sound chamber lower house, described front shroud and described first terminal housing are fixing and be tightly connected respectively.
The sealing in sound chamber is very large on the low frequency part impact of sound, and in the time that leaking appears in sound chamber, low frequency there will be decay, and tonequality is caused damage, and there is certain relation its influence degree and leakage area, position.Magnetic bowl and sound chamber lower house are fixed and are tightly connected, and front shroud and first terminal housing are fixed and are tightly connected and can effectively ensure the sealing property in sound chamber, ensure voice output effect.
As a kind of optimal technical scheme of mobile terminal with ultra-thin audio cavity structure, described magnetic bowl is bonding by glue and described sound chamber lower house, or described magnetic bowl is by foam glue and described first terminal case bonding, or, described magnetic bowl and described sound chamber lower house integrated injection molding; Described front shroud and described first terminal housing are bonding by glue, or described front shroud and described first terminal housing connect by foam is gluing.
Magnetic bowl can adopt various ways to be fixed with sound chamber lower house, front shroud with first terminal housing to be connected, as long as can realize fixing and sealing.
As a kind of optimal technical scheme of mobile terminal with ultra-thin audio cavity structure, described sound chamber lower house perimembranous is provided with annular projection, described loud speaker is arranged on the inner position near lower house middle part, described sound chamber of described annular projection, and described loud speaker both sides are also positioned at described ultra-thin sound chamber and are provided with phonate hole after loud speaker.
Preferably, corresponding with annular projection on the lower house of the described sound chamber bulge-structure that is provided with on described first terminal housing.
Sound chamber lower house perimembranous is provided with annular projection or annular projection is set on the lower house of sound chamber and corresponding bulge-structure is set on first terminal housing, by the height of the height of annular projection or the height of annular projection and bulge-structure and definite sound cavity space.
As a kind of optimal technical scheme of mobile terminal with ultra-thin audio cavity structure, on described first terminal housing, the position of corresponding described loud speaker is provided with front phonate hole.
As a kind of optimal technical scheme of mobile terminal with ultra-thin audio cavity structure, described sound chamber lower house is second terminal shell corresponding with described first terminal housing, described first terminal housing and the corresponding annular projection that is provided with on described the second terminal shell, the ultra-thin sound chamber of the common composition of described annular projection and described first terminal housing and described the second terminal shell for holding described loud speaker.
As a kind of optimal technical scheme of mobile terminal with ultra-thin audio cavity structure, described first terminal housing mounts cover mutually with described sound chamber lower house, described loud speaker and the described first terminal housing structure that is formed in one.
As a kind of optimal technical scheme of mobile terminal with ultra-thin audio cavity structure, between described first terminal housing and described sound chamber lower house, connect by foam is gluing.
As a kind of optimal technical scheme of mobile terminal with ultra-thin audio cavity structure, on the lower house of described sound chamber, be provided with groove, described loud speaker be embedded in described groove, make described loud speaker end face and described sound chamber lower house in the same plane away from the surface of described first terminal housing.
As a kind of optimal technical scheme of mobile terminal with ultra-thin audio cavity structure, the position of the sidewall joint of described inside grooves and described loud speaker is provided with the foam glue for bonding described loud speaker and described sound chamber lower house.
The beneficial effects of the utility model are: audio cavity structure described in the utility model is simple, space connection and reasonable arrangement, adopt first terminal housing to substitute traditional sound chamber upper shell and reduced the shared space of housing, on the mobile terminal of same thickness, can there is larger sound cavity space; Loud speaker and first terminal housing are fixed and are tightly connected and can ensure that front sound chamber has good tonequality, and rear sound chamber has enough ensured greatly bass effect.
Brief description of the drawings
According to drawings and embodiments the utility model is described in further detail below.
Fig. 1 is a kind of audio cavity structure exploded perspective view in prior art.
Fig. 2 is Fig. 1 middle pitch chamber superstructure schematic diagram.
Fig. 3 is ultra-thin sound chamber perspective view described in embodiment mono-.
Fig. 4 is ultra-thin sound chamber explosive view described in embodiment mono-.
Fig. 5 is ultra-thin sound chamber internal structure sectional view described in embodiment mono-.
Fig. 6 is I place enlarged drawing in Fig. 5.
Fig. 7 is sound chamber lower house and loud speaker assembling view described in the present embodiment.
In Fig. 1,2:
1, sound chamber upper cover; 2, sound chamber lower cover; 3, loud speaker; 4, through hole; 5, obstruct section;
In Fig. 3 to 7:
10, sound chamber upper shell; 11, sound chamber lower house; 12, loud speaker; 13, the first foam glue; 14, the second foam glue; 15, magnetic bowl; 16, front shroud; 17, annular projection; 18, front phonate hole; 19, rear phonate hole.
Embodiment
Further illustrate the technical solution of the utility model below in conjunction with accompanying drawing and by embodiment.
Embodiment mono-:
As shown in Fig. 3~7, in the present embodiment, a kind of mobile terminal with ultra-thin audio cavity structure described in the utility model, comprise mobile terminal shell and be arranged on the ultra-thin sound chamber of mobile terminal shell inside top position, ultra-thin sound chamber comprise sound chamber upper shell 10, sound chamber lower house 11 and be arranged on sound chamber upper shell 10 and sound chamber lower house 11 between loud speaker 12, adopt in the present embodiment the first terminal housing of described mobile terminal as sound chamber upper shell 10.
Concrete, be illustrated in figure 3 ultra-thin sound chamber perspective view described in the present embodiment, it comprises the sound chamber lower house 11 that mounts cover mutually and the first terminal housing as sound chamber upper shell 10, is provided with front phonate hole 18 on described first terminal housing.
Be illustrated in figure 4 ultra-thin sound chamber explosive view described in the present embodiment, its sound chamber lower house 11 that (direction in figure) comprises mutual assembling successively from the bottom to top and loud speaker 12, for bonding sound chamber lower house 11 and first terminal housing and realize the first foam glue 13 of both sealings, for bonding loud speaker 12 and first terminal housing and realize the second foam glue 14 of sealing and the first terminal housing of phonate hole 18 before the position corresponding with loud speaker 12 offers.
Further, as shown in Fig. 5,6,7, in the present embodiment, on sound chamber lower house 11 and first terminal housing, be provided with annular projection 17 structures, and sound chamber lower house 11 is mutually corresponding with annular projection 17 shapes, size and position on first terminal housing, form ultra-thin sound chamber by annular projection 17 and sound chamber lower house 11, first terminal housing.
Be provided with for groove loud speaker 12, that match with loud speaker 12 contour structures is installed at the medium position of sound chamber lower house 11, loud speaker 12 comprises magnetic bowl 15 and front shroud 16, and magnetic bowl 15 is arranged in groove mutually bonding with the groove inwall of sound chamber lower house 11 by foam glue.Front shroud 16 is arranged on magnetic bowl 15, by ringwise the second foam glue 14 foam glue and first terminal case bonding.Groove runs through lower house 11 bottom surfaces, sound chamber, and the lower surface of the bottom of loud speaker 12 and sound chamber lower house 11 is in the same plane, so that install and sealing.
Loud speaker 12 is located at the position at middle part, ultra-thin sound chamber, phonate hole 19 after loud speaker 12 is respectively arranged with along the two ends of ultra-thin sound cavity length direction.
Embodiment bis-:
The present embodiment and embodiment mono-structure are basic identical, its main distinction is that the present embodiment middle pitch chamber lower house 11 is for second terminal shell corresponding with first terminal housing, the annular groove of mutual correspondence is set at the tip position of first terminal housing and the second terminal shell, first terminal housing and the second terminal shell mutually cover to establish and form ultra-thin sound cavity space, and loud speaker 12 is arranged in ultra-thin sound cavity space.In the present embodiment, the magnetic bowl 15 of loud speaker 12 and the second terminal shell adopt integrated injection molding structure; The front shroud 16 of loud speaker 12 is bonding by glue with first terminal housing.
In the present embodiment, sound chamber lower house 11 is replaced with to the housing of terminal, further reduce the thickness that sound chamber takes up space, the in the situation that of phase unisonance cavity space, can ensure that audio also reduces the thickness of mobile terminal to greatest extent, be convenient to the slimming design of mobile terminal.
Connected mode between the technical program middle pitch chamber lower house 11 and loud speaker 12, sound chamber lower house 11 and sound chamber upper shell 10, loud speaker 12 and sound chamber upper shell 10 is not limited to the mode that above-described embodiment limits.For example can also be formed in one structure or fix and be tightly connected by the bonding realization of glue of loud speaker 12 and sound chamber upper shell 10 in other embodiments.
In description herein, it will be appreciated that, term " on ", D score, etc. orientation or position relationship be based on orientation shown in the drawings or position relationship, only for convenience of description and simplify the operation, instead of indicate or imply that the device of indication or element must have specific orientation, construct and operation with specific orientation, therefore can not be interpreted as restriction of the present utility model.In addition, term " first ", " second ", only, for being distinguished on describing, do not have special implication.
What need statement is; above-mentioned embodiment is only preferred embodiment of the present utility model and institute's application technology principle; in technical scope disclosed in the utility model; the variation that any those skilled in the art of being familiar with easily expect or replacement, all should be encompassed in protection range of the present utility model.

Claims (10)

1. one kind has the mobile terminal of ultra-thin audio cavity structure, it is characterized in that, described ultra-thin sound chamber is arranged on the top of described mobile terminal, comprise sound chamber lower house, sound chamber upper shell and be fixedly installed on described sound chamber lower house and described sound chamber upper shell between loud speaker, the first terminal housing that described sound chamber upper shell is described mobile terminal, the two ends of described loud speaker are fixedly connected with described sound chamber upper shell and described sound chamber lower house respectively.
2. the mobile terminal with ultra-thin audio cavity structure according to claim 1, is characterized in that, described loud speaker comprises magnetic bowl and front shroud, and described magnetic bowl and described sound chamber lower house, described front shroud and described first terminal housing are fixed respectively and be tightly connected.
3. the mobile terminal with ultra-thin audio cavity structure according to claim 2, it is characterized in that, described magnetic bowl is bonding by glue and described sound chamber lower house, or, described magnetic bowl is by foam glue and described first terminal case bonding, or, described magnetic bowl and described sound chamber lower house integrated injection molding; Described front shroud and described first terminal housing are bonding by glue, or described front shroud and described first terminal housing connect by foam is gluing.
4. the mobile terminal with ultra-thin audio cavity structure according to claim 3, it is characterized in that, described sound chamber lower house perimembranous is provided with annular projection, described loud speaker is arranged on the inner position near lower house middle part, described sound chamber of described annular projection, and described loud speaker both sides are also positioned at described ultra-thin sound chamber and are provided with phonate hole after loud speaker.
5. the mobile terminal with ultra-thin audio cavity structure according to claim 4, is characterized in that, on described first terminal housing, the position of corresponding described loud speaker is provided with front phonate hole.
6. the mobile terminal with ultra-thin audio cavity structure according to claim 1, it is characterized in that, described sound chamber lower house is second terminal shell corresponding with described first terminal housing, described first terminal housing and the corresponding annular projection that is provided with on described the second terminal shell, the ultra-thin sound chamber of the common composition of described annular projection and described first terminal housing and described the second terminal shell for holding described loud speaker.
7. the mobile terminal with ultra-thin audio cavity structure according to claim 1, is characterized in that, described first terminal housing mounts cover mutually with described sound chamber lower house, described loud speaker and the described first terminal housing structure that is formed in one.
8. the mobile terminal with ultra-thin audio cavity structure according to claim 7, is characterized in that, between described first terminal housing and described sound chamber lower house, connects by foam is gluing.
9. the mobile terminal with ultra-thin audio cavity structure according to claim 1, it is characterized in that, on the lower house of described sound chamber, be provided with groove, described loud speaker be embedded in described groove, make described loud speaker end face and described sound chamber lower house in the same plane away from the surface of described first terminal housing.
10. the mobile terminal with ultra-thin audio cavity structure according to claim 9, is characterized in that, the position of the sidewall joint of described inside grooves and described loud speaker is provided with the foam glue for bonding described loud speaker and described sound chamber lower house.
CN201420449295.6U 2014-08-08 2014-08-08 There is the mobile terminal of ultra-thin audio cavity structure CN203984676U (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105813003A (en) * 2016-04-25 2016-07-27 歌尔声学股份有限公司 Mounting shell, manufacturing method and mounting structure of loudspeaker and microphone
CN106331963A (en) * 2016-10-08 2017-01-11 奇酷互联网络科技(深圳)有限公司 Sound production device of mobile terminal and mobile phone
CN106686476A (en) * 2016-12-27 2017-05-17 广东小天才科技有限公司 Waterproof structure of loudspeaker and electronic equipment
CN106792395A (en) * 2017-02-08 2017-05-31 上海与德信息技术有限公司 Loudspeaker and mobile terminal
CN109525923A (en) * 2018-11-12 2019-03-26 歌尔股份有限公司 Sounding device and electronic equipment

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105813003A (en) * 2016-04-25 2016-07-27 歌尔声学股份有限公司 Mounting shell, manufacturing method and mounting structure of loudspeaker and microphone
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
CN106331963A (en) * 2016-10-08 2017-01-11 奇酷互联网络科技(深圳)有限公司 Sound production device of mobile terminal and mobile phone
CN106686476A (en) * 2016-12-27 2017-05-17 广东小天才科技有限公司 Waterproof structure of loudspeaker and electronic equipment
CN106686476B (en) * 2016-12-27 2019-07-30 广东小天才科技有限公司 A kind of waterproof construction and electronic equipment of loudspeaker
CN106792395A (en) * 2017-02-08 2017-05-31 上海与德信息技术有限公司 Loudspeaker and mobile terminal
CN109525923A (en) * 2018-11-12 2019-03-26 歌尔股份有限公司 Sounding device and electronic equipment

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