CN106303863B

CN106303863B - Loudspeaker sound outlet structure for mobile terminal and mobile terminal

Info

Publication number: CN106303863B
Application number: CN201610973744.0A
Authority: CN
Inventors: 李万枝; 巫春雄
Original assignee: JRD Communication Shenzhen Ltd
Current assignee: JRD Communication Shenzhen Ltd
Priority date: 2016-11-04
Filing date: 2016-11-04
Publication date: 2020-03-10
Anticipated expiration: 2036-11-04
Also published as: CN106303863A; WO2018082429A1

Abstract

The invention provides a loudspeaker sound outlet structure for a mobile terminal, which comprises a bottom shell, a face shell arranged on the bottom shell and a panel fixed on the face shell, wherein a loudspeaker is arranged in the bottom shell, one side of the loudspeaker provided with a bass basin is arranged opposite to the inner side surface of the face shell, an accommodating cavity used for mounting the loudspeaker is arranged on the inner side surface of the face shell and positioned at the loudspeaker, the loudspeaker is arranged in the accommodating cavity, a sound outlet is arranged on the outer side surface of the face shell, and a sound guide channel communicated with the sound outlet and the accommodating cavity is arranged between the sound outlet and the accommodating cavity. The invention also provides a mobile terminal which comprises the loudspeaker sound outlet structure for the mobile terminal. Compared with the prior art, the thickness of the product is further reduced, meanwhile, the tone quality of sound can be guaranteed not to be affected, the inner space of the product is fully utilized, and the cost is also reduced.

Description

Loudspeaker sound outlet structure for mobile terminal and mobile terminal

Technical Field

The invention relates to a loudspeaker structure, in particular to a loudspeaker sound outlet structure for a mobile terminal and the mobile terminal.

Background

At present, various electronic products enrich all aspects of life of people, particularly development of tablet computers in mobile terminals, people are more and more selected for the tablet computers, requirements for sound are higher and higher, and requirements for whole machines are thinner and thinner, so that higher requirements are provided for design of loudspeaker stacking and sounding, and how to ensure tone quality of the loudspeaker while reducing thickness of mobile equipment is a problem to be solved.

Disclosure of Invention

In order to overcome the defects of the prior art, the invention provides a loudspeaker sound outlet structure for a mobile terminal and the mobile terminal, so that the thickness is reduced.

The invention provides a loudspeaker sound outlet structure for a mobile terminal, which comprises a bottom shell, a face shell arranged on the bottom shell and a panel fixed on the face shell, wherein a loudspeaker is arranged in the bottom shell, one side of the loudspeaker provided with a bass basin is arranged opposite to the inner side surface of the face shell, an accommodating cavity used for mounting the loudspeaker is arranged on the inner side surface of the face shell and positioned at the loudspeaker, the loudspeaker is arranged in the accommodating cavity, a sound outlet is arranged on the outer side surface of the face shell, and a sound guide channel communicated with the sound outlet and the accommodating cavity is arranged between the sound outlet and the accommodating cavity.

Furthermore, a bass cavity formed by enclosing of the raised surrounding edge is arranged on the position, corresponding to the position of the loudspeaker, of the inner side surface of the bottom shell.

Furthermore, a circle of sealing foam is arranged between the accommodating cavity and the surrounding edge.

Furthermore, a dustproof net is arranged on the surface, provided with the high-sound basin, of the loudspeaker, and a loudspeaker net decorating part is arranged on the sound outlet.

Furthermore, the sound outlet is arranged at the edge of the face shell, so that the sound outlet and the accommodating cavity are arranged in a deviating manner.

Furthermore, the sound guide channel is obliquely arranged, and the hole wall of one side of the sound guide channel is opposite to the surface of the horn with the high sound basin.

Furthermore, a counter bore is arranged on the sound outlet, and the horn mesh decorating part is arranged in the counter bore.

Furthermore, the horn mesh decorating part is made of a non-metal material, and a metal layer is plated outside the horn mesh decorating part.

Furthermore, the horn net decorating part is made of a polyester resin material, and a metal layer is plated outside the horn net decorating part.

The invention also provides a mobile terminal which comprises the loudspeaker sound outlet structure for the mobile terminal.

Compared with the prior art, the invention has the advantages that the front shell is provided with the sound guide channel for the high sound basin of the loudspeaker to produce sound, the loudspeaker is embedded into the face shell, and the sound of the high sound basin is guided through the sound guide channel, so that the thickness of a product is further reduced, the tone quality of the sound is not influenced, the internal space of the product is fully utilized, and the cost is also reduced.

Drawings

Fig. 1 is an exploded view of the present invention.

Fig. 2 is a partial cross-sectional view of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples.

As shown in fig. 1 and 2, the speaker sound outlet structure for a mobile terminal of the present invention includes a bottom case 1, a face casing 3 disposed on the bottom case 1, and a panel 13 adhered to the face casing 3 by a spot adhesive, wherein an accommodating cavity 4 for mounting a speaker is disposed on an inner side surface of the face casing 3 near the edge of the face casing 3, a sound outlet 5 is disposed on an outer side surface of the face casing 3, the sound outlet 5 is disposed near the edge of the face casing 3, and an area of the sound outlet 5 is smaller than a cross-sectional area of the accommodating cavity 4, so that the sound outlet 5 and the accommodating cavity 4 are disposed apart from each other; a sound guide channel 6 communicating the sound outlet 5 and the accommodating cavity 4 is arranged between the sound outlet 5 and the accommodating cavity 4, the sound guide channel 6 is obliquely arranged due to the fact that the sound outlet 5 and the accommodating cavity 4 are arranged in a deviating mode, the loudspeaker 2 is installed in the accommodating cavity 4, one side of the loudspeaker 2 with a bass basin is arranged opposite to the inner side surface of the bottom shell 1, one side of the loudspeaker 2 with a bass basin is arranged opposite to the inner side surface of the face shell 3, and the hole wall of one side of the sound guide channel 6 is arranged opposite to the side of the loudspeaker 2 with the bass basin, so that sound emitted by the bass basin is guided to the sound outlet 5 through the side hole wall; the inboard surface of drain pan 1 is equipped with the bass chamber 7 that closes to form by bellied surrounding edge 8 with 2 corresponding departments in loudspeaker position, and surrounding edge 8 and the chamber wall of holding chamber 4 contact each other, have the dust screen 9 in loudspeaker 2 and be equipped with on the one side of high sound basin, be equipped with loudspeaker net decoration 10 on the sound outlet 5, the chamber wall of holding chamber 4 is equipped with a week sealed bubble cotton 11 with surrounding edge 8 mutual contact department to make loudspeaker 2 have the one side of low sound basin and form the space sealed relatively between the bass chamber 7, can guarantee like this that the tone quality effect of bass does not receive the influence of space compression and can't obtain fine performance.

In order to facilitate the installation of the horn mesh decoration 10, a counter bore 12 is arranged on the sound outlet 5, the horn mesh decoration 10 is arranged in the counter bore 12, so that the outer side surface of the horn mesh decoration 10 and the outer side surface of the panel 13 are basically in the same horizontal plane, and the horn mesh decoration 10 is fixed in the counter bore 12 through back glue.

The horn mesh decoration 10 is made of a non-metal material, preferably a polyester resin (PET) material, and is plated with a metal layer, so that interference to the antenna is avoided.

In order to fix the speaker mesh decoration 10, the extension edge 14 is arranged around the speaker mesh decoration 10, and the face shell 13 used in the mobile terminal is pressed on part of the extension edge 14, so that the speaker mesh decoration 10 is fixed on the sound outlet 5.

According to the invention, the loudspeaker is arranged in the face shell 3, the high pitch can be guided to the sound outlet of the face shell 3 by adopting the sound guide channel 6, then the dustproof net 9, the loudspeaker net decorating part 10, the sealed foam 11 and the loudspeaker 2 are sequentially stacked, so that the internal space of a product can be further compressed, and the purpose of reducing the thickness is realized, the bass cavity 7 is arranged on the bottom shell 1, and the sound guide channel 6 is arranged in the face shell 3, so that the tone quality of the high pitch and the low pitch can be ensured not to be influenced by the compact internal space, the guide channel 6 is obliquely arranged, and the sound can be well guided out when the sound outlet 5 is arranged at the position close to the edge of the face shell 3.

The mobile terminal of the present invention includes the speaker sound outlet structure for the mobile terminal, which is not described herein again because the structure is the same, wherein the panel 13 is a touch screen of the mobile terminal.

While the invention has been shown and described with reference to certain embodiments, those skilled in the art will understand that: various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims and their equivalents.

Claims

1. The utility model provides a loudspeaker sound outlet structure for mobile terminal, includes drain pan (1), locates face-piece (3) on drain pan (1) and fixes panel (13) on face-piece (3), its characterized in that: the loudspeaker is characterized in that a loudspeaker (2) is arranged in the bottom shell (1), one side of the loudspeaker (2) with a bass basin is arranged opposite to the inner side surface of the face shell (3), an accommodating cavity (4) for installing the loudspeaker is arranged on the inner side surface of the face shell (3) and positioned at the loudspeaker (2), the loudspeaker (2) is arranged in the accommodating cavity (4), a sound outlet (5) is arranged on the outer side surface of the face shell (3), a sound guide channel (6) communicated with the sound outlet (5) and the accommodating cavity (4) is arranged between the sound outlet (5) and the accommodating cavity (4),

a low-sound cavity (7) enclosed by a raised surrounding edge (8) is arranged at the position of the inner side surface of the bottom shell (1) corresponding to the position of the loudspeaker (2),

the sound outlet (5) is arranged on the edge of the face shell (3) to lead the sound outlet (5) and the accommodating cavity (4) to be arranged in a deviating way,

a counter bore (12) is arranged on the sound outlet (5), a horn mesh decorating part (10) is arranged in the counter bore (12), the horn mesh decorating part (10) is made of non-metal materials and is plated with a metal layer,

an extension edge (14) is arranged around the horn mesh decoration (10), a face shell (13) used in the mobile terminal is pressed on a part of the extension edge (14), so that the horn mesh decoration (10) is fixed on the sound outlet (5),

the sound guide channel (6) is obliquely arranged, and the hole wall of one side of the sound guide channel (6) is opposite to the surface of the loudspeaker (2) with the high sound basin.

2. The horn sound outlet structure for a mobile terminal according to claim 1, characterized in that: a circle of sealing foam (11) is arranged between the accommodating cavity (4) and the surrounding edge (8).

3. The horn sound outlet structure for a mobile terminal according to claim 1, characterized in that: the loudspeaker (2) is provided with a dustproof net (9) on the side with the high-sound basin, and a loudspeaker net decorating part (10) is arranged on the sound outlet (5).

4. The horn sound outlet structure for a mobile terminal according to claim 1, characterized in that: the horn net decorating part (10) is made of a polyester resin material, and a metal layer is plated outside the horn net decorating part.

5. A mobile terminal, characterized by: comprising the speaker outlet structure for a mobile terminal according to any of claims 1-4.