CN215344651U - Shell assembly and mobile terminal - Google Patents

Abstract

The utility model relates to a casing subassembly and mobile terminal, this casing subassembly is provided with at least one sound hole, and at least one sound hole is located casing subassembly's at least one side, is provided with annular sound guide channel along casing subassembly's circumference, and the sound outlet of at least one sound hole and speaker all leads sound channel intercommunication with the annular, goes out the sound hole and is used for transmitting the sound that the sound outlet of speaker sent to the casing subassembly outside. Through above-mentioned technical scheme, go out the sound hole and can set up the optional position around the sound passageway is led to the annular, promptly, go out the sound hole and can follow casing subassembly's circumference and set up the optional position at casing subassembly, only need go out the sound hole with the annular lead the sound passageway intercommunication can, have more selections to the position that sets up that goes out the sound hole to can avoid the user to cause the sheltering from to going out the sound hole in the use, bring better sense of hearing experience for the user.

Description

Shell assembly and mobile terminal

Technical Field

The present disclosure relates to the field of mobile terminal technology, and in particular, to a housing assembly and a mobile terminal.

Background

The existing mobile terminal usually only uses the sound emitting hole at the bottom or top of the middle frame of the mobile terminal to emit sound in a scene of playing music or video, and in the scene that a user needs to hold the mobile terminal horizontally, such as playing games, the palm can cover the sound emitting channel at the head or bottom, so that the problem that sound cannot be played normally or the playing effect is poor is caused, and the use experience of the user is influenced.

SUMMERY OF THE UTILITY MODEL

The purpose of the present disclosure is to provide a housing assembly and a mobile terminal, in which a sound outlet hole on the housing assembly is not easily blocked, and more convenient for sound to be conducted from the inside to the outside of the housing assembly.

In order to achieve the above object, according to a first aspect of the present disclosure, a housing assembly is provided, where the housing assembly is provided with at least one sound outlet hole, the at least one sound outlet hole is located on at least one side of the housing assembly, an annular sound guide channel is arranged along a circumferential direction of the housing assembly, the at least one sound outlet hole and a sound outlet of a speaker are both communicated with the annular sound guide channel, and the sound outlet hole is configured to transmit sound emitted from the sound outlet of the speaker to an outside of the housing assembly.

Optionally, the housing assembly includes a middle frame and a cover disposed on the middle frame, and the sound outlet is located between the middle frame or the cover or between the middle frame and the cover.

Optionally, the annular sound guiding channel is formed on the middle frame, and the at least one sound outlet hole at least includes: the first sound outlet hole and/or the second sound outlet hole;

the first sound outlet is formed in the middle frame and communicated with the sound outlet of the loudspeaker, and the second sound outlet is formed in at least one side edge of the shell component and communicated with the annular sound guide channel.

Optionally, the second sound outlet hole is formed as a ring-shaped structure extending along a circumferential direction of the housing assembly.

Optionally, the cover body includes a front cover and a rear cover respectively located at two opposite sides of the middle frame, and the front cover is used for arranging a display screen;

a first gap is formed between the edge of the rear cover and the edge of the middle frame, the first gap is the second sound outlet hole, and the annular sound guide channel is formed on one side, close to the rear cover, of the middle frame; and/or a second gap is formed between the edge of the front cover and the edge of the middle frame, the second gap is the second sound outlet hole, and the annular sound guide channel is formed on one side, close to the front cover, of the middle frame.

Optionally, the cross section of the annular sound guide channel is formed into a U-shaped structure with an opening facing the second sound outlet.

Optionally, a first sound guiding channel and a second sound guiding channel are formed on the middle frame, one end of the first sound guiding channel is communicated with the first sound outlet, the other end of the first sound guiding channel is used for being communicated with a sound outlet of the loudspeaker, one end of the second sound guiding channel is communicated with the first sound guiding channel, and the other end of the second sound guiding channel is communicated with the annular sound guiding channel.

Optionally, the second sound guiding channels are multiple, the multiple second sound guiding channels are arranged at intervals along the circumferential direction of the annular sound guiding channel, a sound guiding hole corresponding to the second sound guiding channel is arranged on the middle frame, and the other end of each second sound guiding channel is communicated with the annular sound guiding channel through the corresponding sound guiding hole.

Optionally, the speaker comprises a first sub-speaker and a second sub-speaker;

the first sound outlet holes comprise first top sound outlet holes positioned at the top of the middle frame and first bottom sound outlet holes positioned at the bottom of the middle frame, the first top sound outlet holes are used for being communicated with the sound outlet of the first sub-loudspeaker, and the first bottom sound outlet holes are used for being communicated with the sound outlet of the second sub-loudspeaker;

the annular sound guide channel is used for being communicated with the sound outlet of the first sub-loudspeaker and the sound outlet of the second sub-loudspeaker.

Optionally, a sound insulation sealing layer is disposed between the cover body and the middle frame, and the annular sound guide channel and the sound outlet hole are located outside the sound insulation sealing layer.

According to a second aspect of the present disclosure, there is provided a mobile terminal comprising a housing assembly as described above and a speaker disposed within the housing assembly.

Through above-mentioned technical scheme, go out the sound hole and can set up the optional position around the sound passageway is led to the annular, promptly, go out the sound hole and can follow casing subassembly's circumference and set up the optional position at casing subassembly, only need go out the sound hole with the annular lead the sound passageway intercommunication can, have more selections to the position that sets up that goes out the sound hole to can avoid the user to cause the sheltering from to going out the sound hole in the use, bring better sense of hearing experience for the user. Additional features and advantages of the disclosure will be set forth in the detailed description which follows.

Drawings

The accompanying drawings, which are included to provide a further understanding of the disclosure and are incorporated in and constitute a part of this specification, illustrate embodiments of the disclosure and together with the description serve to explain the disclosure without limiting the disclosure. In the drawings:

FIG. 1 is a partial cross-sectional view of a housing assembly provided by an exemplary embodiment of the present disclosure;

FIG. 2 is a cross-sectional view of the top of the housing assembly provided by an exemplary embodiment of the present disclosure;

FIG. 3 is a cross-sectional view of the bottom of the housing assembly provided by an exemplary embodiment of the present disclosure;

FIG. 4 is a partial top view of a housing assembly provided by an exemplary embodiment of the present disclosure.

Description of the reference numerals

10-middle frame; 11-a first sound outlet; 111-a first top sound outlet; 112-first bottom sound outlet; 12-ring guide channel; 13-a first guide channel; 131-a first top sound guide channel; 132-a first bottom guide channel; 14-a second guide channel; 140-sound guide holes; 141-a second top guide channel; 142-a second bottom guide channel; 20-a cover body; 200-rear cover; 201-a second sound outlet; 30-sealing glue.

Detailed Description

The following detailed description of specific embodiments of the present disclosure is provided in connection with the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present disclosure, are given by way of illustration and explanation only, not limitation.

In the present disclosure, unless otherwise specified, the terms of orientation such as "inside and outside" are defined with reference to the mobile terminal, and specifically, a direction departing from the inside of the mobile terminal is the outside, and vice versa. "distal and proximal" refer to distances from the respective structures.

Referring to fig. 1 to 4, according to a first aspect of the present disclosure, a housing assembly is provided, where the housing assembly is provided with at least one sound outlet hole, the at least one sound outlet hole is located on at least one side of the housing assembly, an annular sound guiding channel 12 is arranged along a circumferential direction of the housing assembly, the at least one sound outlet hole and a sound outlet of a speaker are both communicated with the annular sound guiding channel 12, and the sound outlet hole is used for transmitting sound emitted from the sound outlet of the speaker to an outside of the housing assembly.

Through above-mentioned technical scheme, go out the sound hole and can set up the optional position around sound passageway 12 is led to the annular, promptly, go out the sound hole and can follow casing subassembly's circumference and set up the optional position at casing subassembly, only need to go out the sound hole and lead with the annular sound passageway 12 intercommunication can, have more selections to the position that sets up that goes out the sound hole to can avoid the user to lead to the fact to shelter from in the use to going out the sound hole, bring better sense of hearing experience for the user.

Here, it should be noted that the housing assembly may be any kind of housing assembly, for example, a housing assembly of a mobile phone, a tablet computer, a music player, a smart watch, and the like, and the disclosure is not limited thereto.

Alternatively, the housing assembly may include a middle frame 10 and a cover 20 disposed on the middle frame 10, and the sound emission hole is located between the middle frame 10 or the cover 20 or between the middle frame 10 and the cover 20. That is, the sound emitting holes may be formed at any position of the housing assembly, each sound emitting hole may be located between the middle frame 10 or the cover 20 or between the middle frame 10 and the cover 20, and different sound emitting holes may be disposed at different positions. For example, the sound emitting holes may be top sound emitting holes formed in the top of the middle frame 10 and/or the cover 20, bottom sound emitting holes formed in the bottom of the middle frame 10 and/or the cover 20, or side sound emitting holes formed in the side of the middle frame 10 and/or the cover 20. Alternatively, the sound outlet hole may be a top slit sound outlet hole, a bottom slit sound outlet hole, or the like formed between the middle frame 10 and the cover 20, which is not limited by the present disclosure. In addition, the number of the sound outlet holes is not limited in the disclosure, and one or more sound outlet holes can be provided.

In an exemplary embodiment provided by the present disclosure, the annular sound guiding channel 12 may be formed on the middle frame 10, and the at least one sound outlet hole at least includes: the first sound outlet 11 and/or the second sound outlet 201; wherein, the first sound outlet 11 is formed on the middle frame 10 and communicated with the sound outlet of the speaker, and the second sound outlet 201 is formed on at least one side of the housing assembly and communicated with the annular sound guiding channel 12. The first sound emitting hole 11 and the second sound emitting hole 201 may be located at different positions of the housing assembly to emit sound in different directions, thereby improving the effect of three-dimensional sound emission.

Here, the second sound emitting hole 201 only needs to be formed on at least one side of the housing assembly, and the second sound emitting hole 201 may be formed between the middle frame 10 or the cover 20 or between the middle frame 10 and the cover 20, which is not limited in the present disclosure.

Optionally, the first sound outlet hole 11 and the second sound outlet hole 201 may be both plural, the plural first sound outlet holes 11 are formed at different positions of the middle frame 10, and the plural second sound outlet holes 201 are formed at different sides of the housing assembly, so that the housing assembly has plural sound outlet holes that emit sound in more directions, and the stereo sound effect of the housing assembly is further improved.

To further improve the stereo surround sound effect, optionally, in one embodiment provided by the present disclosure, the second sound outlet hole 201 is formed as an annular structure extending along the circumferential direction of the housing assembly. When broadcasting sound, sound is transmitted to annular sound guide channel 12's in-process by the speaker, because second sound outlet 201 forms the annular structure that extends along casing subassembly's circumference, sound can encircle the circumference of casing body and carry out the whole circle of sound production this moment to realize the surrounding sound field stereo broadcast effect of preferred, bring better sense of hearing experience for the user.

Optionally, the cover 20 may include a front cover and a rear cover 200 respectively located at two opposite sides of the middle frame 10, the front cover being used for disposing a display screen, wherein a first gap is formed between an edge of the rear cover 200 and an edge of the middle frame 10, the first gap is a second sound outlet 201, and the annular sound guide channel 12 is formed at a side of the middle frame 10 close to the rear cover 200; and/or a second gap is arranged between the edge of the front cover and the edge of the middle frame 10, the second gap is a second sound outlet hole 201, and the annular sound guide channel 12 is formed on one side of the middle frame 10 close to the front cover. The second sound outlet hole 201 is formed in a first gap between the middle frame 10 and the rear cover 200, and/or a second gap is formed between the edge of the front cover and the edge of the middle frame 10, on one hand, the second sound outlet hole 201 does not need to be specially set on the housing assembly again, and therefore the structure of the middle frame 10 or the cover body 20 does not need to be processed and modified, and the processing cost is reduced.

In other embodiments, the second sound outlet 201 having a ring shape may be formed on the middle frame 10, or on the front cover, or on the rear cover. Or a third gap is formed between the front cover and the display screen, and the third gap is the second sound outlet 201.

In addition, the first sound emitting hole 11 may be formed on at least one side of the middle frame 10, or the first sound emitting hole 11 may also be formed in an annular structure extending along the circumferential direction of the middle frame 10, which is not limited by the present disclosure.

Alternatively, as shown in fig. 1 to 3, the cross section of the annular sound guide passage 12 may be formed in a U-shaped structure that opens toward the second sound outlet hole 201. When the speaker emits sound, the sound is transmitted into the annular sound guiding channel 12 from the sound outlet of the speaker, and the annular sound guiding channel 12 is formed to be open toward the second sound outlet hole 201, so that the transmission path of the sound can be shortened, and the sound can be transmitted from the annular sound guiding channel 12 to the second sound outlet hole 201 conveniently.

Alternatively, as shown in fig. 1 to 3, a first sound guiding channel 13 and a second sound guiding channel 14 may be formed on the middle frame 10, one end of the first sound guiding channel 13 is communicated with the first sound outlet 11, the other end of the first sound guiding channel 13 is used for being communicated with the sound outlet of the speaker, one end of the second sound guiding channel 14 is communicated with the first sound guiding channel 13, and the other end of the second sound guiding channel 14 is communicated with the annular sound guiding channel 12. In this way, by providing the second sound guiding channel 14 and communicating the second sound guiding channel 14 with the first sound guiding channel 13, the annular sound guiding channel 12 can be communicated to the sound outlet of the speaker on the premise of transforming the structure of the middle frame 10 as small as possible.

When the loudspeaker is used for generating sound, the sound is transmitted into the first sound guide channel 13 through the sound outlet of the loudspeaker, one part of the sound in the first sound guide channel 13 is transmitted to the outside of the shell component through the first sound outlet 11, the other part of the sound enters the second sound guide channel 14 and enters the annular sound guide channel 12 through the second sound guide channel 14, and the sound is transmitted around the annular sound guide channel 12 and is transmitted out from the second sound outlet 201 communicated with the annular sound guide channel 12. In the process, partial sound can be emitted through the second sound emitting hole 201 extending along the circumferential direction of the middle frame 10 in a whole circle, so that the mobile terminal can realize surround sound field stereo sound emission, can be suitable for various use scenes, and can bring an immersive experience feeling to consumers.

In order to further facilitate the transmission of sound from the speaker into the annular sound guiding channel 12, in the present disclosure, the second sound guiding channel 14 may be multiple, multiple second sound guiding channels 14 are arranged at intervals along the circumferential direction of the annular sound guiding channel 12, a sound guiding hole 140 corresponding to the second sound guiding channel 14 is arranged on the middle frame 10, and the other end of each second sound guiding channel 14 is communicated with the annular sound guiding channel 12 through the corresponding sound guiding hole 140. In this way, sound can be transmitted to the interior of the annular sound guiding channel 12 through the plurality of second sound guiding channels 14 at the same time, and a more uniform sound emitting effect can be achieved.

To further enhance the sound production effect of the housing assembly, the first sound outlet hole 11 may be disposed at different positions of the housing assembly, for example, in an embodiment provided by the present disclosure, as shown in fig. 2 to 3, the speaker may optionally include a first sub-speaker and a second sub-speaker; the first sound outlet 11 may include a first top sound outlet 111 located at the top of the middle frame 10 and a first bottom sound outlet 112 located at the bottom of the middle frame 10, the first top sound outlet 111 is used for communicating with a sound outlet of the first sub-speaker, the first bottom sound outlet 112 is used for communicating with a sound outlet of the second sub-speaker, and the annular sound guiding channel 12 is used for communicating with both the sound outlet of the first sub-speaker and the sound outlet of the second sub-speaker. That is to say, all be provided with first sound outlet 11 at casing assembly's top, bottom, when playing sound, sound can be followed casing assembly's more positions to different angles sound production, further promotes the sound production effect.

It should be noted here that for the embodiment where the first sound guiding channel 13 and the second sound guiding channel 14 are provided, the first sound guiding channel 13 may include a first top sound guiding channel 131 and a first bottom sound guiding channel 132, the second sound guiding channel 14 may include a second bottom sound guiding channel 142 and a second top sound guiding channel 141, specifically, the first top sound outlet 111 communicates with the sound outlet of the first sub-speaker through the first top sound guiding channel 131, the first bottom sound outlet 112 communicates with the sound outlet of the first bottom sound guiding channel 132 and the sound outlet of the second sub-speaker, the second top sound guiding channel 141 communicates with the first top sound guiding channel 131 and the annular sound guiding channel 12, and the second bottom sound guiding channel 142 communicates with the first bottom sound guiding channel 132 and the annular sound guiding channel 12. In order to avoid that the sound emitted by the speaker is diffused toward the inside of the housing assembly, causing a loss of sound, optionally, a sound-proof sealing layer may be provided between the cover 20 and the middle frame 10, and the annular sound guide channel 12 and the sound outlet hole are both located outside the sound-proof sealing layer, i.e., the sound-proof sealing layer is closer to the inside of the housing assembly than the annular sound guide channel 12 and the sound outlet hole. Like this, when sound led sound passageway 12 and go out the interior transmission of sound hole at the annular, the sound insulation sealing layer can be followed the annular and led sound passageway 12 and play the inboard of sound hole and play the effect of separation to sound, reduces because sound promotes the sound producing effect to casing assembly's inside diffusion, and simultaneously, the sound insulation sealing layer still has sealed waterproof effect, like this, can avoid external dust, water etc. to enter into casing assembly's inside.

Alternatively, in one embodiment provided by the present disclosure, as shown in fig. 1 to 3, the sound-proof sealing layer is a sealant 30 adhered between the cover body 20 and the middle frame 10, and improves the sealing performance between the middle frame 10 and the cover body 20 while achieving sound insulation.

Alternatively, in order to prevent the sealant 30 from spreading into the annular sound guide channel 12 having a U-shaped cross section, the middle frame 10 may be formed with a notch at a position close to the sound insulation sealant 30, the notch being located inside the annular sound guide channel 12, and the notch may be used to store the sealant 30 and reduce the flow rate of the sealant 30 flowing into the annular sound guide channel 12.

Optionally, a dust screen may be disposed at the sound outlet. The dust screen can play the effect of blockking to impurity such as external dust, particulate matter, avoids impurity to produce in going out the sound hole and piles up, influences casing assembly's sound producing effect.

According to a second aspect of the present disclosure, there is provided a mobile terminal comprising a housing assembly as above and a speaker disposed within the housing assembly. It has the whole technological effect of above-mentioned casing subassembly, and this disclosure does not describe this again.

The preferred embodiments of the present disclosure are described in detail with reference to the accompanying drawings, however, the present disclosure is not limited to the specific details of the above embodiments, and various simple modifications may be made to the technical solution of the present disclosure within the technical idea of the present disclosure, and these simple modifications all belong to the protection scope of the present disclosure.

It should be noted that the various features described in the above embodiments may be combined in any suitable manner without departing from the scope of the invention. In order to avoid unnecessary repetition, various possible combinations will not be separately described in this disclosure.

In addition, any combination of various embodiments of the present disclosure may be made, and the same should be considered as the disclosure of the present disclosure, as long as it does not depart from the spirit of the present disclosure.

Claims (11)

1. The shell assembly is characterized in that the shell assembly is provided with at least one sound outlet hole, the at least one sound outlet hole is located on at least one side edge of the shell assembly, an annular sound guide channel (12) is arranged along the circumferential direction of the shell assembly, the at least one sound outlet hole and a sound outlet of a loudspeaker are communicated with the annular sound guide channel (12), and the sound outlet hole is used for transmitting sound emitted by the sound outlet of the loudspeaker to the outside of the shell assembly.

2. The housing assembly according to claim 1, characterized in that the housing assembly comprises a middle frame (10) and a cover (20) arranged on the middle frame (10), the sound outlet hole being located between the middle frame (10) or the cover (20) or the middle frame (10) and the cover (20).

3. The housing assembly according to claim 2, characterized in that said annular sound guiding channel (12) is formed on said middle frame (10), said at least one sound outlet hole comprising at least: a first sound outlet (11) and/or a second sound outlet (201);

the first sound outlet hole (11) is formed in the middle frame (10) and communicated with a sound outlet of the loudspeaker, and the second sound outlet hole (201) is formed in at least one side edge of the shell assembly and communicated with the annular sound guide channel (12).

4. The housing assembly according to claim 3, wherein the second sound outlet hole (201) is formed as a ring structure extending in a circumferential direction of the housing assembly.

5. The housing assembly according to claim 3 or 4, wherein the cover (20) comprises a front cover and a rear cover (200) respectively located at two opposite sides of the middle frame (10), the front cover being used for arranging a display screen;

wherein, a first gap is arranged between the edge of the rear cover (200) and the edge of the middle frame (10), the first gap is the second sound outlet hole (201), and the annular sound guide channel (12) is formed on one side of the middle frame (10) close to the rear cover (200); and/or a second gap is arranged between the edge of the front cover and the edge of the middle frame (10), the second gap is the second sound outlet hole (201), and the annular sound guide channel (12) is formed on one side, close to the front cover, of the middle frame (10).

6. Housing assembly according to claim 3 or 4, wherein the cross-section of the annular sound guiding channel (12) is formed as a U-shaped structure opening towards the second sound outlet hole (201).

7. The housing assembly according to claim 3 or 4, wherein a first sound guide channel (13) and a second sound guide channel (14) are formed on the middle frame (10), one end of the first sound guide channel (13) is communicated with the first sound outlet (11), the other end of the first sound guide channel (13) is used for being communicated with a sound outlet of the loudspeaker, one end of the second sound guide channel (14) is communicated with the first sound guide channel (13), and the other end of the second sound guide channel (14) is communicated with the annular sound guide channel (12).

8. The housing assembly of claim 7, wherein the second sound guiding channel (14) is provided in plurality, the second sound guiding channels (14) are arranged at intervals along the circumferential direction of the annular sound guiding channel (12), a sound guiding hole (140) corresponding to the second sound guiding channel (14) is provided on the middle frame (10), and the other end of each second sound guiding channel (14) is communicated with the annular sound guiding channel (12) through the corresponding sound guiding hole (140).

9. The housing assembly of claim 3, wherein the speaker comprises a first sub-speaker and a second sub-speaker;

the first sound outlet hole (11) comprises a first top sound outlet hole (111) located at the top of the middle frame (10) and a first bottom sound outlet hole (112) located at the bottom of the middle frame (10), the first top sound outlet hole (111) is used for being communicated with a sound outlet of the first sub-speaker, and the first bottom sound outlet hole (112) is used for being communicated with a sound outlet of the second sub-speaker;

the annular sound guide channel (12) is used for being communicated with the sound outlet of the first sub-loudspeaker and the sound outlet of the second sub-loudspeaker.

10. The housing assembly according to any of claims 2-4, wherein a sound insulating sealing layer is provided between the cover (20) and the middle frame (10), and the annular sound guiding channel (12) and the sound outlet hole are both located outside the sound insulating sealing layer.

11. A mobile terminal, characterized in that it comprises a housing assembly according to any of claims 1-10 and a speaker arranged inside the housing assembly.

Images