WO2020258150A1

WO2020258150A1 - Electronic device

Info

Publication number: WO2020258150A1
Application number: PCT/CN2019/093251
Authority: WO
Inventors: 施胜荣; 高尚; 苗淼
Original assignee: 瑞声声学科技(深圳)有限公司; 瑞声科技(新加坡)有限公司
Priority date: 2019-06-27
Filing date: 2019-06-27
Publication date: 2020-12-30
Also published as: CN210348305U

Abstract

An electronic device (100). The electronic device (100) comprises a housing (10), a loudspeaker box (30), and am anti-vibration member (50). The housing (10) has an accommodation space, the loudspeaker box (30) is accommodated in the accommodation space, and the anti-vibration member (50) is fixed to the housing (10). The loudspeaker box (30) comprises an upper cover (31) and a loudspeaker unit (33), the upper cover (31) is fixed to the housing (10), and the loudspeaker unit (33) is fixed to the upper cover (31). The loudspeaker unit (33) and the upper cover (31) jointly enclose a front cavity (70), and the loudspeaker unit (33), the upper cover (31), the housing (10) and the anti-vibration member (50) jointly enclose a rear cavity (90). Compared with the related art, the electronic device (100) has better use performance.

Description

Electronic equipment

Technical field

This application relates to the field of mobile terminals, and in particular to an electronic device.

Background technique

With the rapid development of science and technology, the penetration rate of electronic devices is getting higher and higher, and people have high requirements for the sound quality and volume of electronic devices. Many electronic devices need to adopt a stereo design, and electronic devices need to take into account the waterproof function.

In the related art, a speaker box is placed in the upper and lower positions of the electronic device, and the upper speaker box can be used as a receiver or a speaker. In order to improve the sound quality, the upper speaker box usually adopts an open back cavity, that is, after the speaker box is placed in the electronic device, the cavity inside the entire electronic device is used as the working back cavity of the speaker box, and the space of the back cavity is sufficient. expansion.

However, in order to take into account the waterproof performance of the electronic device in the related art, the enclosure of the electronic device has good airtightness, which causes the enclosure of the electronic device to easily resonate under the influence of the speaker box, thereby affecting the use performance of the electronic device.

Therefore, it is necessary to provide an improved electronic device to solve the above-mentioned problems.

technical problem

When the speaker box of the electronic device in the related art works, the shell of the electronic device is prone to resonance, which affects the technical problem of the use performance. The present application provides an electronic device that can effectively avoid resonance of the housing, thereby improving the use performance.

Technical solutions

An electronic device includes a housing having a housing space and a speaker box accommodated in the housing space, the speaker box including an upper cover fixed to the housing and a speaker unit fixed to the upper cover, and The speaker unit and the upper cover jointly enclose a front cavity, the electronic device further includes an anti-vibration member fixed to the casing, the speaker unit, the upper cover, the casing, and the anti-vibration The pieces together form a back cavity.

Preferably, the housing includes a first housing and a second housing assembled with the first housing to form the containing space, and the first housing includes a bottom wall and a peripheral edge of the bottom wall toward the second housing. The side wall is formed by bending and extending in the direction of the housing, and the upper cover is fixed to the bottom wall.

Preferably, the side wall includes a first accommodating groove recessed from a side surface close to the accommodating space in a direction away from the accommodating space, and the anti-vibration member is accommodated in the first accommodating groove.

Preferably, the first housing further includes a fixed wall extending from the bottom wall toward the second housing, the fixed wall is connected to the side wall, the bottom wall, the fixed wall, and the The side walls jointly enclose a second receiving groove, and the anti-vibration component is received in the second receiving groove.

Preferably, the side wall further includes a first through hole that penetrates the side wall from a surface away from the accommodating space toward a direction close to the accommodating space, and the first through hole and the first accommodating groove Or the second receiving grooves communicate with each other, and the anti-vibration member completely covers the first through hole.

Preferably, the second housing includes a first surface close to the side of the accommodating space, a second surface disposed opposite to the first surface, and a direction penetrating through the second surface from the first surface to the second surface. The second through hole is provided in the second housing, and the anti-vibration member is fixed on the first surface and completely covers the second through hole.

Preferably, the anti-vibration component includes a first anti-vibration component and a second anti-vibration component fixed on the first anti-vibration component.

Preferably, the first anti-vibration member includes an inner surface close to the side of the accommodating space, an outer surface disposed opposite to the inner surface, and a first groove recessed from the inner surface toward the outer surface , A second groove recessed from the outer surface to the inner surface direction and a through hole connecting the first groove and the second groove, the second anti-vibration member is accommodated in the second The groove completely covers the through hole.

Preferably, the anti-vibration component is integrally injection molded with the housing or the anti-vibration component is glued and fixed with the housing.

Preferably, the anti-vibration member is made of thermoplastic elastomer, thermoplastic polyurethane elastomer rubber or silicone rubber.

Beneficial effect

Compared with the related art, the electronic device provided by the present application is provided with the anti-vibration component on the housing, and the anti-vibration component, the speaker unit, the upper cover, and the housing together form a rear cavity. The anti-vibration component can well prevent the shell from resonating when the speaker box is working, thereby increasing the use performance of the electronic device.

To

Description of the drawings

In order to more clearly describe the technical solutions in the embodiments of the present application, the following will briefly introduce the drawings used in the description of the embodiments. Obviously, the drawings in the following description are only some embodiments of the present application. Those of ordinary skill in the art can obtain other drawings based on these drawings without creative work, among which:

FIG. 1 is a schematic diagram of a three-dimensional structure of Embodiment 1 of an electronic device provided by this application;

FIG. 2 is a schematic diagram of an exploded structure of the electronic device shown in FIG. 1;

Fig. 3 is a schematic structural diagram of another angle of the first housing shown in Fig. 2;

Figure 4 is a sectional view taken along IV-IV of Figure 1;

FIG. 5 is a schematic diagram of the three-dimensional structure of the anti-vibration component shown in FIG.

Figure 6 is a sectional view taken along VI-VI shown in Figure 5;

7 is a schematic diagram of the three-dimensional structure of the second embodiment of the electronic device provided by this application;

FIG. 8 is a schematic diagram of an exploded structure of the electronic device shown in FIG. 7;

Fig. 9 is a schematic structural view of another angle of the first housing shown in Fig. 8;

10 is a schematic diagram of a three-dimensional structure of Embodiment 3 of the electronic device provided by this application;

FIG. 11 is a schematic diagram of an exploded structure of the electronic device shown in FIG. 10.

To

The best mode of the invention

The technical solutions in the embodiments of the present application will be described clearly and completely below. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in this application, all other embodiments obtained by a person of ordinary skill in the art without creative work shall fall within the protection scope of this application.

Example one

Please refer to Figure 1 to Figure 3 in conjunction. This embodiment provides an electronic device 100, which includes a housing 10 having a housing space, a speaker box 30 received in the housing space, and a vibration-proof member 50 fixed on the housing 10.

The housing 10 includes a first housing 11 and a second housing 13 that is assembled with the first housing 11 to form the accommodating space. The speaker box 30 and the anti-vibration member 50 are both fixed to the first housing.壳11上。 Housing 11 on.

The first housing 11 includes a bottom wall 111, a side wall 113 formed by bending and extending from the periphery of the bottom wall 111 in the direction of the second housing 13, and a sound hole 115 formed through the bottom wall 111. The speaker box 30 is fixed to the bottom wall 111, and the anti-vibration member 50 is fixed to the side wall 113.

The side wall 113 includes an inner side surface 1131 on the side close to the accommodating space, an outer side surface 1133 disposed opposite to the inner side surface 1131, and a first housing formed by recessing from the inner side surface 1131 toward the outer side surface 1133. The groove 1135 and the first through hole 1137 formed through the side wall 113 from the outer side surface 1133 to the inner side surface 1131 direction, the first through hole 1137 and the first receiving groove 1135 communicate with each other.

There are multiple first through holes 1137, and the multiple first through holes 1137 are sequentially spaced along the extending direction of the sidewall 113 to form a fence structure to protect and beautify the appearance of the electronic device 100.

Please refer to Figure 4 in conjunction. The speaker box 30 includes an upper cover 31 fixed to the bottom wall 111 and a speaker unit 33 fixed to the upper cover 31. The speaker unit 33 and the upper cover 31 jointly enclose a front cavity 70, The speaker unit 33, the upper cover 31, the housing 10 and the anti-vibration member 50 jointly enclose a rear cavity 90, and the sound outlet 115 is in communication with the front cavity 70. The front cavity 70 is used for sound production, and the rear cavity 90 is used for improving low-frequency acoustic performance.

Please continue to refer to Figure 2. The anti-vibration member 50 is made of polymer materials such as thermoplastic elastomer, thermoplastic polyurethane elastomer rubber or silicone rubber material. The anti-vibration member 50 and the side wall 113 are integrally injection molded or the anti-vibration member 50 and the side wall 113 are glued and fixed by glue, thereby effectively ensuring that the anti-vibration member 50 and the side wall 113 The fixing effect therebetween improves the stability of the connection between the anti-vibration member 50 and the housing 10.

The anti-vibration member 50 is received in the first receiving groove 1135 and completely covers the first through hole 1137, so that the waterproof performance of the entire electronic device 100 can be ensured.

Please refer to Figure 5 and Figure 6 in combination. The anti-vibration component 50 includes a first anti-vibration component 51 and a second anti-vibration component 53 fixed on the first anti-vibration component 51. The first anti-vibration member 51 includes an inner surface 511 on the side close to the accommodating space, an outer surface 513 disposed opposite to the inner surface 511, and a recess formed from the inner surface 511 toward the outer surface 513. A first groove 515, a second groove 517 recessed from the outer surface 513 toward the inner surface 511, and a through hole 519 connecting the first groove 515 and the second groove 517. The second anti-vibration member 53 is accommodated in the second groove 517 and completely covers the through hole 519, thereby ensuring the overall sealing performance of the anti-vibration member 50, thereby ensuring the waterproofness of the electronic device 100 performance.

It can be understood that by adding the anti-vibration member 50 on the side wall 113, and the anti-vibration member 50, the speaker unit 33, the upper cover 31, and the housing 10 together As for the rear cavity 90, the anti-vibration member 50 can well prevent the side wall 113 from resonating when the speaker box 30 is working, thereby improving the use performance of the electronic device 100. In addition, the loudspeaker box 30 adopts the open rear cavity 90, which improves the space of the rear cavity 90, so as to achieve effective low-frequency acoustic performance.

It should be noted that in this embodiment, one anti-vibration member 50 is provided and located on one side wall 113. Of course, in other embodiments, the anti-vibration member 50 may be provided in multiples, and the plurality of the anti-vibration members 50 may be provided on one or more of the side walls 113, and even the anti-vibration member 50 It can also be arranged on the bottom wall 111 or the second housing 13. That is, it is only necessary to provide the vibration-proof member 50 on the housing 10, and the vibration-proof member 50 can prevent the housing 10 from resonating when the speaker box 30 is working.

Example two

Please refer to Figure 7 to Figure 9 in conjunction. This embodiment provides an electronic device 200, which includes a housing 210 having a housing space, a speaker box 230 received in the housing space, and a vibration-proof member 250 fixed on the housing 210.

The housing 210 includes a first housing 211 and a second housing 213 that is assembled with the first housing 211 to form the receiving space. The speaker box 230 and the anti-vibration member 250 are both fixed to the first housing.壳211上。 Housing 211.

The first housing 211 includes a bottom wall 214, a side wall 215 formed by bending and extending from the periphery of the bottom wall 214 in the direction of the second housing 213, a sound hole 216 provided through the bottom wall 214, and a The bottom wall 214 is a fixed wall 217 that extends toward the second housing 213. The speaker box 230 is fixed to the bottom wall 214, the fixed wall 217 is connected to the side wall 215, and the bottom wall 214, the fixed wall 217, and the side wall 215 together form a second receiving groove 218. The anti-vibration component 250 is received in the second receiving groove 218.

The side wall 215 includes an inner side surface 2151 on the side close to the accommodating space, an outer side surface 2153 disposed opposite to the inner side surface 2151, and an outer side surface 2153 that penetrates the side wall 215 from the outer side surface 2153 to the inner side surface 2151. A first through hole 2155 is provided, and the first through hole 2155 and the second receiving groove 218 communicate with each other.

There are multiple first through holes 2155, and the multiple first through holes 2155 are sequentially spaced along the extending direction of the sidewall 215 to form a fence structure to protect and beautify the appearance of the electronic device 200.

The speaker box 230 has the same structure as the speaker box 30 in the first embodiment, and the connection structure of the speaker box 230 and the bottom wall 214 is the same as the speaker box 30 and the bottom wall 111 in the first embodiment. The connection structure of the anti-vibration member 250 is the same as the structure of the anti-vibration member 50 in the first embodiment, which will not be repeated here.

In this embodiment, the anti-vibration member 250 is received in the second receiving groove 218 and completely covers the first through hole 2155, so as to ensure the waterproof performance of the entire electronic device 200.

The anti-vibration member 250 is made of polymer materials such as thermoplastic elastomer, thermoplastic polyurethane elastomer rubber or silicone rubber material. The anti-vibration component 250 and the first housing 211 are integrally injection molded or the anti-vibration component 250 and the first housing 211 are glued and fixed by glue, thereby effectively ensuring that the anti-vibration component 250 and the first housing 211 The fixing effect between the shells 211 improves the stability of the connection between the anti-vibration component 250 and the first shell 211.

Example three

Please refer to Figure 10 and Figure 11 in combination. The present embodiment provides an electronic device 300, which includes a housing 310 having a housing space, a speaker box 330 received in the housing space, and a vibration-proof member 350 fixed on the housing 310.

The housing 310 includes a first housing 311 and a second housing 313 assembled with the first housing 311 to form the receiving space. The speaker box 330 is fixed on the first housing 311, and the vibration-proof The member 350 is fixed on the second housing 313.

The first housing 311 includes a bottom wall 314, a side wall 315 formed by bending and extending from the periphery of the bottom wall 314 toward the second housing 313, and a sound hole 316 formed through the bottom wall 314.

The second housing 313 is in the shape of a flat plate. The second housing 313 includes a first surface 3131 on the side close to the accommodating space, a second surface 3133 disposed opposite to the first surface 3131, and The surface 3133 penetrates the second through hole 3135 of the second housing 313 in the direction of the first surface 3131.

There are multiple second through holes 3135, and multiple second through holes 3135 are sequentially spaced along the width direction of the second housing 313 to form a fence structure to protect and beautify the appearance of the electronic device 300 .

The speaker box 330 has the same structure as the speaker box 30 in the first embodiment, and the connection structure of the speaker box 330 and the bottom wall 314 is the same as the speaker box 30 and the bottom wall in the first embodiment. The connection structure of 111 is the same, and the structure of the anti-vibration member 350 is the same as that of the anti-vibration member 50 in the first embodiment, which is not repeated here.

In this embodiment, the anti-vibration member 350 is fixed on the first surface 3131 and completely covers the second through hole 3135, so as to ensure the waterproof performance of the entire electronic device 300.

The anti-vibration member 350 is made of polymer materials such as thermoplastic elastomer, thermoplastic polyurethane elastomer rubber or silicone rubber material. The anti-vibration component 350 and the second housing 313 are integrally injection molded or the anti-vibration component 350 and the second housing 313 are glued and fixed by glue, thereby effectively ensuring that the anti-vibration component 350 and the second housing 313 are The fixing effect between the two housings 313 improves the stability of the connection between the anti-vibration member 350 and the second housing 313.

The above are only the implementation manners of this application. It should be pointed out here that for those of ordinary skill in the art, improvements can be made without departing from the creative concept of this application, but these all belong to this application. The scope of protection.

Embodiments of the invention

Type here a paragraph describing the embodiment of the present invention.

Industrial applicability

Type a paragraph describing industrial applicability here.

Sequence Listing Free Content

Type here the free content description paragraph of the sequence listing.

Claims

An electronic device includes a housing with a accommodating space and a speaker box accommodated in the accommodating space. The speaker box includes an upper cover fixed to the housing and a speaker unit fixed to the upper cover. The speaker unit and the upper cover jointly enclose a front cavity, characterized in that the electronic device further includes a vibration-proof member fixed to the casing, the speaker unit, the upper cover, the casing and the The anti-vibration parts jointly enclose a rear cavity.
The electronic device according to claim 1, wherein the housing comprises a first housing and a second housing assembled with the first housing to form the receiving space, and the first housing includes a bottom wall and A side wall formed by bending and extending from the periphery of the bottom wall toward the second housing, and the upper cover is fixed to the bottom wall.
The electronic device according to claim 2, wherein the side wall comprises a first receiving groove formed from a side surface close to the receiving space toward a direction away from the receiving space, and the vibration-proof member is received in In the first receiving groove.
The electronic device according to claim 2, wherein the first housing further comprises a fixed wall extending from the bottom wall in a direction close to the second housing, the fixed wall is connected to the side wall, and The bottom wall, the fixed wall and the side wall jointly enclose a second receiving groove, and the anti-vibration component is received in the second receiving groove.
The electronic device according to claim 3 or 4, wherein the side wall further comprises a first through hole provided through the side wall from a surface away from the receiving space toward a direction close to the receiving space, The first through hole is in communication with the first receiving groove or the second receiving groove, and the vibration-proof member completely covers the first through hole.
The electronic device according to claim 2, wherein the second housing comprises a first surface on a side close to the accommodating space, a second surface disposed opposite to the first surface, and The surface penetrates the second through hole provided in the second housing toward the first surface, and the anti-vibration member is fixed on the first surface and completely covers the second through hole.
5. The electronic device according to claim 1, wherein the anti-vibration component comprises a first anti-vibration component and a second anti-vibration component fixed on the first anti-vibration component.
The electronic device according to claim 7, wherein the first anti-vibration member comprises an inner surface on a side close to the accommodating space, an outer surface disposed opposite to the inner surface, and The first groove formed by recessing in the direction of the outer surface, the second groove formed by recessing in the direction of the inner surface from the outer surface, and the through hole connecting the first groove and the second groove, so The second anti-vibration member is received in the second groove and completely covers the through hole.
The electronic device according to claim 1, wherein the anti-vibration component is integrally injection molded with the housing or the anti-vibration component is glued and fixed with the housing.
The electronic device according to claim 1, wherein the anti-vibration member is made of thermoplastic elastomer, thermoplastic polyurethane elastomer rubber or silicone rubber.