CN205862317U - Sound-producing device and apply the mobile communication equipment of described sound-producing device - Google Patents

Abstract

The utility model provides a sounding device. The sound-generating device includes a housing and a sound-generating unit with a diaphragm accommodated in the housing, and the housing includes a bottom surface perpendicular to the vibration direction of the diaphragm and a housing parallel to the vibration direction of the diaphragm. The side wall, the side wall of the housing is provided with a sound hole, the sound emitting unit emits sound through the sound hole, and the surface of the side wall of the housing is provided with a dustproof cover covering the sound hole. The side wall of the housing is provided with a limiting portion extending along the sounding direction of the sounding device, and the limiting portion limits the movement of the dust-proof component in a direction parallel to the side wall of the housing. move. The utility model also provides a mobile communication device using the sound generating device. The mobile communication equipment provided by the utility model adds a limit part through the sound generating device, so as to prevent the dust-proof parts from scratching and blocking the sound outlet, thereby affecting the performance of the whole machine.

Description

Sound generating device and mobile communication equipment using the sound generating device

【Technical field】

The utility model relates to the technical field of electroacoustic conversion, in particular to a sound generating device and mobile communication equipment using the sound generating device.

【Background technique】

In recent years, with the rapid development of information technology, especially wireless mobile communication technology, more and more mobile communication devices appear in people's daily life, such as smart phones, tablet computers, notebook computers and multi-function media players have become part of people's daily life. essential supplies in. With the popularity of these mobile communication devices, their power amplifier performance has increasingly become the focus of attention of users.

The mobile communication device of the related art includes a casing with a through hole, a sound emitting device, and a dustproof component interposed between the casing and the sound generating device. The sound generating device includes a sound outlet corresponding to the through hole, and the sound emitting device emits sound through the sound outlet , the dustproof component includes the first omentum covering the through hole, the foam abutting against the first omentum and the second omentum bonded to the foam, the first omentum, the foam and the second omentum all cover The sound hole, the first omentum and the shell are connected by a layer of adhesive, the foam and the second omentum are connected by another layer of adhesive, and the second omentum and the sounding device are connected by another layer of backing glue connection.

In the mobile communication device in the related art, during the assembly process of the whole machine, there will be a large shear force in the shell, which will cause the foam to go out of the wire, so as to block the sound hole, resulting in poor performance of the whole machine.

Therefore, it is necessary to provide a new mobile communication device to solve the above-mentioned defects.

【Content of utility model】

The purpose of the utility model is to provide a sound generating device which adds a limiting part to prevent the foam from scratching and blocking the sound outlet and a mobile communication device using the sound generating device.

The utility model provides a sounding device, which comprises a casing and a sounding monomer with a diaphragm accommodated in the casing, the casing includes a bottom surface perpendicular to the vibration direction of the diaphragm and a bottom surface parallel to the vibration direction of the diaphragm. The side wall of the housing in the vibration direction of the membrane, the side wall of the housing is provided with a sound hole, the sound unit emits sound through the sound hole, and the surface of the side wall of the housing is covered with a The dust-proof part of the sound outlet, the side wall of the housing is provided with a limiting part extending along the sound-emitting direction of the sound-generating device, and the limiting part limits the direction of the dust-proof part along the side wall of the housing. move.

In a preferred embodiment of the sound emitting device provided by the utility model, the limiting part includes a first limiting part and a second limiting part, and the sound outlet is located between the first limiting part and the second limiting part. between the second limiting parts.

In a preferred embodiment of the sound generating device provided by the present invention, the first limiting portion is flush with the hole wall of the sound outlet, and the second limiting portion is flush with the bottom surface of the housing.

In a preferred embodiment of the sounding device provided by the present invention, the sounding unit divides the housing into a front chamber and a rear chamber opposite to the front chamber, and the housing also includes a The supporting rib between the sounding unit and the side wall of the housing, and the cover plate covering the supporting rib, the supporting rib, the cover plate and the bottom surface of the housing enclose a sound channel , the front chamber is connected to the sound outlet through the sound outlet channel, and the first limiting portion is flush with the cover plate.

The utility model also provides a mobile communication device, the mobile communication device includes a casing, a sounding device assembled in the casing, and a dustproof component sandwiched between the casing and the sounding device, the casing includes The side wall of the casing is provided with a through hole. The sounding device includes a casing and a sounding monomer with a diaphragm accommodated in the casing. The casing includes a bottom surface perpendicular to the vibration direction of the diaphragm and parallel to the vibration direction of the diaphragm. The side wall of the housing in the vibration direction of the diaphragm, the side wall of the housing is provided with a sound hole, the sound unit emits sound through the sound hole, and the through hole communicates with the sound hole , the dust-proof component covers the through hole and the sound outlet, and the side wall of the housing is provided with a limiting portion extending along the sounding direction of the sounding device, and the limiting portion limits the The dust-proof component is moved along a direction parallel to the side wall of the casing by the shearing force generated when the casing is assembled with the sound-generating device.

In a preferred embodiment of the mobile communication device provided by the present invention, the dust-proof component includes an omentum layer covering the through hole and a foam layer abutting against the omentum layer.

In a preferred embodiment of the mobile communication device provided by the utility model, the foam layer is in the shape of a ring rectangle.

In a preferred embodiment of the mobile communication device provided by the present invention, the limiting portion abuts against the foam layer.

In a preferred embodiment of the mobile communication device provided by the present invention, the dust-proof component further includes a first adhesive layer pasted on the surface of the omentum layer, and the side wall of the housing and the omentum layer Bonding through the first adhesive layer.

In a preferred embodiment of the mobile communication device provided by the present invention, the dust-proof component further includes a second adhesive layer pasted on the surface of the foam layer, and the foam layer and the sound-generating device pass through The second adhesive layer is bonded.

Compared with related technologies, the sounding device provided by the utility model and the mobile communication device using the sounding device have the following beneficial effects:

1. A limiting part is added to the side wall of the shell of the sounding device to limit the movement of the dust-proof parts in a direction parallel to the side wall of the shell, so as to ensure that when the whole machine is assembled, the dust-proof parts will not be affected by the side shear force of the shell. And scrape the outgoing line to block the sound hole, thereby ensuring the excellent performance of the mobile communication device;

2. Compared with the mobile communication equipment of the related technology, the second omentum and a layer of adhesive between the original sounding device and the foam are reduced, the production cost is saved, the process is optimized, and the assembly of the mobile communication equipment is improved. efficiency.

【Description of drawings】

Figure 1 is a three-dimensional exploded schematic view of a preferred embodiment of the mobile communication device provided by the present invention;

Fig. 2 is a three-dimensional assembly diagram of the mobile communication device shown in Fig. 1;

Fig. 3 is a cross-sectional view of the mobile communication device shown in Fig. 2 along line A-A.

【detailed description】

Below in conjunction with accompanying drawing and embodiment the utility model is further described.

Please refer to FIG. 1 , which is an exploded perspective view of a preferred embodiment of the mobile communication device provided by the present invention. The mobile communication device 100 includes a housing 1 , a sound generating device 5 assembled on the housing 1 , and a dustproof component 3 sandwiched between the housing 1 and the sound generating device 5 .

The casing 1 includes a casing side wall 11 provided with a through hole 13. In this embodiment, the casing 1 may be a mobile phone casing.

The dustproof component 3 includes an omentum layer 33 covering the through hole 13 and a foam layer 35 abutting against the omentum layer 33 . The dustproof component 3 also includes a first adhesive layer 31 pasted on the surface of the omentum layer 33 and a second adhesive layer 37 pasted on the surface of the foam layer 35. The omentum layer 33 is bonded by the first adhesive layer 31 . The foam layer 35 is bonded to the sound generating device 5 through the second adhesive layer 37 . The omentum layer 33 is an encrypted omentum, which ensures the sounding effect of the sounding device 5 .

Compared with the related technology, the original foam is glued and connected with the second omentum that comes with the sound-generating device through a layer of adhesive, and then the second omentum is bonded and connected with the sound-generating device through another layer of adhesive. In this embodiment, the second omentum and a layer of backing adhesive provided with the original sounding device are eliminated, which not only saves production costs, optimizes the process, but also improves the assembly efficiency of the mobile communication device 100 .

The foam layer 35 is a hollow ring-shaped rectangular structure, which includes a first side 351, a second side 352, a third side 353 and a fourth side 354 arranged end to end in sequence. The first side 351 and the fourth side The third sides 353 are parallel and spaced apart, and the second sides 352 and the fourth sides 354 are parallel and spaced apart. The surface of the first side 351 close to the third side 353 is the inner surface of the first side 351, and the surface of the third side 353 close to the first side 351 is the inner surface of the third side 353. The surface of the third side 353 away from the first side 351 is the outer surface of the third side 353 .

Please refer to FIG. 2 and FIG. 3 at the same time, wherein FIG. 2 is a three-dimensional assembly diagram of the mobile communication device shown in FIG. 1; FIG. 3 is a cross-sectional view of the mobile communication device shown in FIG. 2 along line A-A. The sound generating device 5 includes a housing 51 with a receiving space and a sound emitting unit 53 accommodated in the receiving space of the housing 51 . The sound emitting unit 53 includes a diaphragm 531 , which divides the casing 51 into a front chamber 52 and a rear chamber 54 opposite to the front chamber 52 .

The housing 51 includes a front cover 511 and a rear cover 513 cooperating with the front cover 511 to enclose a receiving space of the housing 51 .

The front cover 511 includes a bottom surface 5111 perpendicular to the vibration direction of the diaphragm 531, a housing side wall 5113 parallel to the vibration direction of the diaphragm 531, a sound outlet 5115 provided through the housing side wall 5113, The sound output channel 5117 connecting the sound output hole 5115 and the front chamber 52 , and the limiting portion 5119 extending from the housing side wall 5113 along the sound output direction of the sound emitting device 5 .

The front cover 511 also includes a support rib 5112 disposed between the sound emitting unit 53 and the housing side wall 5113, and a cover plate 5114 covering the support rib 5112, one end of the cover plate 5114 It is connected to the side wall 5113 of the housing, and one end is in contact with the sound emitting unit 53 . The support rib 5112 , the cover plate 5114 and the bottom surface 5111 enclose the sound output channel 5117 .

In this embodiment, there are two supporting ribs 5112 , one end of which is connected to the housing side wall 5113 , and the other end abuts against the sound emitting unit 53 . The supporting ribs 5112, the cover plate 5114 and the front cover 511 are integrally formed. In other embodiments, the support ribs 5112 and the cover plate 5114 may be in a snap-fit connection.

In this embodiment, the front cover 511 and the sound emitting unit 53 jointly enclose the front cavity 52, the front cover 511, the rear cover 513, the sound emitting unit 53 and the cover plate 5114 jointly surround the rear chamber 54.

The sound output hole 5115 is used for sound output, the sound emitting unit 53 emits sound through the sound output hole 5115, the through hole 13 and the sound output hole 5115 are set correspondingly, and the omentum layer 33 covers The through hole 13 and the foam layer 35 cover the sound hole 5115 .

The limiting portion 5119 restricts the dust-proof component 3 from moving in a direction parallel to the housing side wall 5113 by the shearing force (that is, the Y direction) generated when the housing 1 and the sound generating device 5 are assembled. of the mobile.

The limiting part 5119 includes a first limiting part 51191 and a second limiting part 51193 parallel to the bottom surface 5111, respectively, and the sound outlet 5115 is located at the first limiting part 51191 and the second limiting part 51191. between bit parts 51193.

In this embodiment, the first limiting portion 51191 is located at one end of the sound outlet 5115 close to the rear cover 513, and is flush with the wall of the sound outlet 5115 and the cover plate 5114; The second limiting portion 51193 is disposed at an end of the sound outlet 5115 away from the rear cover 513 and is flush with the bottom surface 5111 .

When the whole machine is assembled, the limiting portion 5119 is in contact with the foam layer 35 . The first limiting portion 51191 abuts against the inner surface of the first side 351, the inner surface of the third side 353 is flush with the hole wall of the sound hole 5113 close to the bottom surface 5111, and the third side The outer surface of the edge 353 abuts against the second limiting portion 51193 . Even if the foam layer 35 is subjected to the shear force (that is, the Y direction) generated when the shell 1 and the sound-generating device 5 are assembled, it will not move in a direction parallel to the side wall 5113 of the housing, that is, The outgoing line will not be scraped to block the sound outlet 5113.

Compared with related technologies, the sound emitting device 5 and the mobile communication device 100 provided by the present invention have the following beneficial effects:

1. The side wall 5113 of the housing of the sounding device 5 is provided with the limiting portion 5119 to limit the movement of the dustproof component 3 in a direction parallel to the side wall 5113 of the housing, thereby ensuring that the entire machine is assembled. , the dust-proof component 3 will not block the sound hole 5115 due to the shearing force of the casing 1 by scraping the outgoing line, thereby ensuring the excellent overall performance of the mobile communication device 100;

2. Compared with the mobile communication equipment of the related art, the second omentum and a layer of back glue between the original sounding device and the foam are reduced, the production cost is saved, the process is optimized, and the mobile communication equipment is improved. 100% assembly efficiency.

The above descriptions are only examples of the utility model, and are not intended to limit the patent scope of the utility model. Any equivalent structure or equivalent process transformation made by using the utility model specification and accompanying drawings may be directly or indirectly used in other applications. Related technical fields are all included in the patent protection scope of the present utility model in the same way.

Claims (10)

1. A sounding device comprising a housing and a sounding monomer with a vibrating membrane accommodated in the housing, the housing comprising a bottom surface perpendicular to the vibration direction of the vibrating membrane and a vibrating surface parallel to the vibrating membrane direction of the shell side wall, the shell side wall is provided with a sound hole, and the sound emitting unit makes sound through the sound hole, and it is characterized in that: the surface of the shell side wall is covered with a cover For the dust-proof part of the sound outlet, the side wall of the housing is provided with a limiting part extending along the sound-emitting direction of the sound-generating device, and the limiting part restricts the movement of the dust-proof part along the direction of the side wall . 2. The sound generating device according to claim 1, wherein the limiting part comprises a first limiting part and a second limiting part, and the sound outlet is located between the first limiting part and the second limiting part. between the second limiting parts. 3 . The sound generating device according to claim 2 , wherein the first limiting portion is flush with the wall of the sound outlet, and the second limiting portion is flush with the bottom surface of the housing. 4 . 4. The sounding device according to claim 2, wherein the sounding unit divides the casing into a front chamber and a rear chamber opposite to the front chamber, and the casing also includes a The supporting rib between the sounding unit and the side wall of the housing, and the cover plate covering the supporting rib, the supporting rib, the cover plate and the bottom surface of the housing enclose a sound channel , the front chamber is connected to the sound outlet through the sound outlet channel, and the first limiting portion is flush with the cover plate. 5. A mobile communication device, comprising a housing, a sounding device assembled in the housing, and a dust-proof component interposed between the housing and the sounding device, the housing comprising a housing side wall provided with a through hole , the sound-generating device includes a housing and a sound-generating unit with a diaphragm accommodated in the housing, the housing includes a bottom surface perpendicular to the vibration direction of the diaphragm and a shell parallel to the vibration direction of the diaphragm The side wall of the housing body is provided with a sound hole on the side wall of the housing, the sound emitting unit emits sound through the sound hole, the through hole communicates with the sound hole, and the dust-proof component covers the The through hole and the sound outlet are characterized in that: the side wall of the housing is provided with a limiting part extending along the sounding direction of the sounding device, and the limiting part limits the dustproof component The shell moves in a direction parallel to the side wall of the housing due to shear force generated when the shell is assembled with the sound-generating device. 6. The mobile communication device according to claim 5, wherein the dust-proof component comprises an omentum layer covering the through hole and a foam layer abutting against the omentum layer. 7. The mobile communication device according to claim 6, wherein the foam layer is in the shape of a ring rectangle. 8. The mobile communication device according to claim 7, wherein the limiting portion abuts against the foam layer. 9. The mobile communication device according to claim 6, characterized in that: the dust-proof component also includes a first adhesive layer pasted on the surface of the omentum layer, the side wall of the housing and the omentum layer Bonding through the first adhesive layer. 10. The mobile communication device according to claim 9, characterized in that: the dust-proof component further comprises a second adhesive layer pasted on the surface of the foam layer, and the foam layer and the sound-generating device pass through The second adhesive layer is bonded.