CN107277714B - Sound input and output components and mobile terminals - Google Patents

Abstract

The invention discloses a sound input and output assembly, which includes a structural member, a sound input and output device, foam and an anti-scratch member. The structural member has a sound hole, and the sound input and output device is fixed on the structural member, and The sound input and output device is aligned with the sound hole of the structural member, the foam is disposed on the peripheral side of the sound hole of the structural member, the anti-scratch component is disposed on the peripheral side of the foam, and the The anti-scratch component blocks part of the foam along the direction of the central axis of the sound hole. The sound input and output assembly provided by the embodiment of the present invention is provided with anti-scratch parts on the periphery of the foam, so that when the shell is assembled with the shell of the mobile terminal, the anti-scratch parts can reduce the foam from being scratched, thereby preventing the foam from being damaged. Scratching and shifting will block the sound hole, which has better reliability. The invention also provides a mobile terminal.

Description

Sound input and output components and mobile terminals

Technical field

The present invention relates to the field of electronic equipment, and in particular, to a sound input and output component and a mobile terminal.

Background technique

With the development of science and technology, users have increasingly higher performance requirements for portable products such as mobile terminals. Among them, the sound quality of mobile terminals also affects the market competitiveness of mobile terminals. Speakers and microphones are the weakest components in audio equipment, but they are also more important components in terms of sound quality.

In the prior art, speakers and microphones are generally assembled as independent casings with the mobile terminal casing. In order to ensure the sealing of the sound channels of the speakers and microphones, foam is generally provided around the speakers and microphones for sealing. The accuracy of foam is poor, and it is easily scratched during assembly, causing plugging or air leakage, affecting the sound quality and reliability of the mobile terminal.

Contents of the invention

The object of the present invention is to provide a more reliable sound input and output component and a mobile terminal.

In order to solve the above technical problems, embodiments of the present invention provide a sound input and output assembly, which includes a structural member, a sound input and output device, foam and an anti-scratch part. The structural member has a sound hole, and the sound input and output device is fixed On the structural member, the sound input and output device is aligned with the sound hole of the structural member, the foam is disposed on the peripheral side of the sound hole of the structural member, and the scratch-proof member is disposed on the The peripheral side of the foam, and the anti-scratch component blocks part of the foam along the direction of the central axis of the sound hole.

Wherein, the sound input and output device is a speaker; and/or,

The sound input and output device is a microphone.

Wherein, the anti-scratch component includes at least one baffle wall protruding from the structural member, two adjacent baffle walls are connected, and the shape formed by the at least one baffle wall is in line with the shape of the foam. Edge correspondence.

Wherein, the connection between the two baffle walls is an arc surface.

There is a gap between the foam and the adjacent blocking wall.

Wherein, the anti-scratch component includes at least one corner component, the at least one corner component is disposed close to the corner of the foam, and two adjacent corner components are disposed at intervals.

Wherein, the sound input and output assembly further includes an elastic member, the elastic member has a fixed end and a free end, the fixed end is fixed on the structural member, and the free end extends in a direction away from the structural member. , when the elastic member is squeezed, the free end moves toward the direction close to the structural member.

Wherein, the elastic member is in a sheet shape, and when the free end gradually approaches the sound hole, the distance between the free end and the structural member along the central axis of the sound hole gradually increases. .

Wherein, the elastic member is a spring.

Wherein, the thickness of the anti-scratch component along the direction of the central axis of the sound hole is 10% to 80% of the thickness of the foam along the direction of the central axis of the sound hole.

An embodiment of the present invention also provides a mobile terminal, including a sound input and output component.

The sound input and output assembly and the mobile terminal provided by the embodiments of the present invention are provided with anti-scratch parts on the periphery of the foam, so that when the shell is assembled with the shell of the mobile terminal, the anti-scratch parts can reduce the foam from being scratched, thereby preventing the foam from being scratched. The cotton will shift and block the sound hole due to being scratched, so the reliability is better.

Description of the drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following will briefly introduce the drawings needed in the implementation. Obviously, the drawings in the following description are some embodiments of the present invention. For ordinary people in the art For technical personnel, other drawings can also be obtained based on these drawings without exerting creative work.

Figure 1 is a schematic diagram of a mobile terminal provided by Embodiment 1 of the present invention;

Figure 2 is a schematic diagram of the sound input and output component of Figure 1;

Figure 3 is a schematic diagram of another anti-scratch component of the sound input and output assembly of Figure 2;

FIG. 4 is a schematic diagram of another sound input and output component provided by Embodiment 2 of the present invention.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without exerting creative efforts fall within the scope of protection of the present invention.

The mobile terminal 100 involved in the embodiment of the present invention can be any device with communication and storage functions, such as: tablet computer, mobile phone, e-reader, remote control, personal computer (Personal Computer, PC), notebook computer, vehicle-mounted equipment, Internet TV , wearable devices and other smart devices with network functions.

Please refer to Figures 1 to 3, which is a mobile terminal 100 provided in Embodiment 1 of the present invention. The mobile terminal 100 includes a housing 1 and a sound input and output component 2. The housing in the sound input and output component 2 is assembled with the housing 1. , thereby realizing the sound output and input functions of the mobile terminal 100.

In this embodiment, please refer to Figure 2. The sound input and output assembly 2 includes a structural member 21, a sound input and output device, foam 23 and anti-scratch members 24 and 25. The structural member 21 has a sound hole 21a. The output device is fixed on the structural member 21, and the sound input and output device is aligned with the sound hole 21a of the structural member 21, and the foam 23 is arranged on the peripheral side of the sound hole 21a of the structural member 21, The anti-scratch parts 24 and 25 are arranged on the peripheral side of the foam 23 , and the anti-scratch parts 24 and 25 block part of the foam 23 along the direction of the central axis X1 of the sound hole 21 a.

It can be understood that the sound input and output device is the speaker 22 that outputs sound. To facilitate understanding, the speaker 22 is used instead of the sound input and output device for description.

Referring to Figure 2, the speaker 22 is fixed on the structural member 21 and aligned with the sound hole 21a to realize audio output from the sound hole 21a. At this time, since the sound input and output device is the speaker 22, the sound hole 21a is the outlet. The sound hole 21a is a sound hole 21a that outputs audio. Among them, the sound hole 21a is a strip hole 23a. When the sound input and output assembly 2 is installed on the housing 1, the sound hole 21a is aligned with the first hole 1a on the housing 1 to form a sound output channel of the speaker 22.

Among them, in order to ensure that the audio frequency emitted from the sound hole 21a does not expand and has better sound quality, foam 23 is provided around the sound hole 21a to form a sealed channel, that is, when the sound input and output assembly 2 is installed in the housing 1 , the foam 23 is in contact with the housing 1, so that the audio from the speaker 22 can only be output through the sound hole 21a, the foam 23 and the first hole 1a, ensuring the sealing of the audio output.

The shape of the foam 23 corresponds to the shape of the sound hole 21a, that is, the foam 23 is strip-shaped, and has a strip-shaped hole 23a in the middle, and the strip-shaped hole 23a is aligned with the sound hole 21a. The foam 23 is pasted on the structural member 21 through double-sided tape, and the strip hole 23a is aligned with the sound hole 21a.

It can be understood that, please refer to FIG. 2 and FIG. 3 , the anti-scratch members 24 and 25 are arranged around the foam 23 to block part of the foam 23 along the direction of the central axis X1 of the sound hole 21 a. The anti-scratch parts 24 and 25 are arranged so that when the structural member 21 is assembled on the shell 1, the anti-scratch parts 24 and 25 can protect the foam 23 from being scratched by the shell 1 or other components, and prevent the foam 23 from warping, shifting or Damage, better reliability.

It can be understood that the thickness of the anti-scratch parts 24 and 25 along the direction of the central axis X1 of the sound hole 21a is 10% to 80% of the thickness of the foam 23 along the direction of the central axis X1 of the sound hole 21a. %. Among them, the thickness of the anti-scratch parts 24 and 25 is 50% of the thickness of the foam 23. In this way, the anti-scratch parts 24 and 25 can not only cover half of the foam 23 from being scratched, but also prevent the sound input and output components from being scratched. After 2 is assembled with the shell 1, the thickness of the anti-scratch parts 24 and 25 is relatively large, resulting in a gap between the foam 23 and the shell 1.

It can be understood that the anti-scratch parts 24 and 25 are made of harder materials, such as metal or plastic.

In one embodiment, please refer to FIG. 2 , the anti-scratch member 24 includes at least one blocking wall 241 protruding on the structural member 21 , two adjacent blocking walls 241 are connected, and the at least one blocking wall 241 is connected to the adjacent blocking wall 241 . The shape formed by the surrounding wall 241 corresponds to the edge of the foam 23 .

Specifically, the anti-scratch component 24 and the structural component 21 are integrally formed. The anti-scratch member 24 has three blocking walls 241, which are connected in sequence to form a U shape, which can surround the three sides of the foam 23, thereby protecting the three sides of the foam 23 from being scratched. . Among them, the blocking wall 241 is parallel to the adjacent side of the foam 23 , so that the foam 23 can be better accommodated in the area surrounded by the three blocking walls 241 , making it easier to install the foam 23 on the structural member 21 . Of course, in other embodiments, the number of blocking walls 241 may also be one, two, or four.

It can be understood that the connection point between the two blocking walls 241 is an arc surface 241a. Specifically, the connection between two adjacent blocking walls 241 is an arc transition, and the structure of the arc surface 241a is relatively smooth, which prevents the blocking walls 241 from causing scratches on components such as the foam 23 or other components, thereby improving the sound input and output assembly 2 and the reliability of the mobile terminal 100.

In another embodiment, please refer to FIG. 3 , the anti-scratch component 25 includes at least one corner component 251 , the at least one corner component 251 is disposed close to the corner of the foam 23 , and two adjacent ones are The corner pieces 251 are arranged at intervals.

Specifically, the anti-scratch component 25 includes four corner components 251 . The corner piece 251 includes a connected first wall 251a and a second wall 251b. The connection between the first wall 251a and the second wall 251b is aligned with the connection between the two sides of the foam 23. The first wall 251a and the second wall 251b are aligned with each other. The two bis 251b extend in opposite directions respectively. Two adjacent corner pieces 251 are spaced apart. The anti-scratch component 25 can be detachably connected to the structural component 21 , for example, adhered to the structural component 21 .

For further improvement, please refer to Figures 2 and 3. The sound input and output assembly 2 also includes elastic members 26, 27. The elastic members 26, 27 have fixed ends 26a, 27a and free ends 26b, 27b. The fixed ends 26a and 27a are fixed on the structural member 21, and the free ends 26b and 27b extend in a direction away from the structural member 21. When the elastic members 26 and 27 are squeezed, the free ends 26b and 27b are The ends 26b, 27b move toward the structural member 21.

When the sound input and output assembly 2 is assembled on the housing 1, the free ends 26b and 27b of the elastic members 26 and 27 can abut against the housing 1, that is, the housing 1 and the structural member 21 have an active force during the assembly process, preventing the housing 1 from When assembling with the structural member 21, too much force was used and the foam 23 was scraped. Among them, since the elastic members 26 and 27 are elastic, the free ends 26b and 27b of the elastic members 26 and 27 are squeezed as the shell 1 and the structural member 21 closely cooperate, and they will gradually move toward the structural member. 21 approaches until the foam 23 contacts the shell 1 .

In one embodiment, please refer to FIG. 2 , the elastic member 26 is in a sheet shape, and when the free end 26 b gradually moves toward the sound hole 21 a, there is a gap between the free end 26 b and the structural member 21 along the The spacing in the direction of the central axis X1 of the sound holes 21a gradually increases.

Specifically, the elastic member 26 is integrally formed on the structural member 21 and is relatively close to the anti-scratch members 24 and 25 . When the shell 1 and the structural member 21 are assembled, the free end 26b of the elastic member 26 is always in contact with the shell 1. As the distance between the shell 1 and the structural member 21 gradually decreases, the free end 26b is squeezed and gradually approaches the structural member 21. , until the assembly of the shell 1 and the structural member 21 is completed, and the foam 23 is in close contact with the shell 1 .

In another embodiment, please refer to FIG. 3 , the elastic member 27 is a spring. Specifically, the central axis X1 of the spring is parallel to the central axis X1 of the sound hole 21a. One end of the spring, that is, the fixed end 27a, can be welded to the structural member 21, and the other end of the spring, that is, the free end 27b. When the shell 1 and the structural member 21 are assembled, the free end 27b of the elastic member 27 is always in contact with the shell 1. As the distance between the shell 1 and the structural member 21 gradually decreases, the free end 27b is squeezed and gradually approaches the structural member 21. , until the assembly of the shell 1 and the structural member 21 is completed, and the foam 23 is in close contact with the shell 1 .

When assembling the mobile terminal 100 provided by the embodiment of the present invention, first the speaker 22 is fixed on the structural member 21 and aligned with the sound hole 21a to realize audio output from the sound hole 21a; then the foam 23 is glued through double-sided adhesive Attach it to the structural member 21 and align the strip hole 23a of the foam 23 with the sound hole 21a of the structural member 21; then place the anti-scratch parts 24 and 25 around the foam 23; then assemble the structural member 21 and the shell 1 tightly , the free ends 26b and 27b of the elastic members 26 and 27 are always in contact with the shell 1. As the distance between the shell 1 and the structural member 21 gradually decreases, the free ends 26b and 27b are squeezed and gradually approach the structural member 21 until After the shell 1 and the structural member 21 are assembled, the foam 23 will be in close contact with the shell 1 and form a sound output channel for audio output with the first hole 1a of the shell 1 .

The sound input and output assembly 2 and the mobile terminal 100 provided by the embodiment of the present invention are provided with anti-scratch parts 24 and 25 on the peripheral sides of the foam 23, so that when the shell is assembled with the shell 1 of the mobile terminal 100, the anti-scratch parts 24 and 25 are The foam 23 can be reduced from being scratched, thereby preventing the foam 23 from being displaced and blocking the sound hole 21a due to being scratched, and the reliability is better.

Please refer to Figure 1 and Figure 4, which is another sound input and output component 3 provided in Embodiment 2 of the present invention. The sound input and output component 3 provided in this embodiment is basically the same as the input and output device 2 provided in Embodiment 1 of the present invention. The main difference lies in that the sound input and output device is the microphone 32 . For ease of understanding, the microphone 32 is used in place of the sound input and output device for description.

Among them, the structural member 31 is a housing corresponding to the microphone 32, and the sound hole 21a opened in the structural member 31 is a round hole. Correspondingly, the foam 33 has a circular hole 33a, and the shell 1 has a second hole 1b. After the structural member 31 and the shell 1 are assembled, the sound hole 31a of the structural member 31, the circular hole 33a of the foam 33 and the shell 1 The second hole 1b forms a sound input channel for audio input.

Among them, the microphone 32 in this embodiment and the speaker 22 in the first embodiment are jointly installed on the housing 1 of the mobile terminal 100.

Among them, the anti-scratch parts 34 in this embodiment are arranged around the foam 33, and the anti-scratch parts 34 form a closed space to surround the foam 33, thereby effectively reducing the foam 33 from being scratched.

Among them, the elastic members 26 and 27 can be provided on the structural member 21 to which the speaker 22 is fixed or the structural member 31 to which the microphone 32 is fixed. The sound input and output assembly 3 provided by the embodiment of the present invention provides an anti-scratch member 25 on the peripheral side of the foam 23, so that when the structural member 31 is assembled with the shell 1 of the mobile terminal 100, the anti-scratch member 35 can reduce the scratches of the foam 33. collision, thereby preventing the foam 33 from being displaced and blocking the sound hole 21a due to being scratched, and the reliability is better.

It can be understood that the speaker and microphone 32 provided by the embodiment of the present invention are respectively arranged on two structural members. In some embodiments, the speaker and the microphone can also be arranged on the same structural member together. Correspondingly, the structural members are respectively Open two sound holes corresponding to the speaker and microphone.

The modules or units in the embodiments of the present invention can be combined or split according to actual needs.

The above is the implementation of the embodiments of the present invention. It should be pointed out that for those of ordinary skill in the art, several improvements and modifications can be made without departing from the principles of the embodiments of the present invention. These improvements and modifications can also be made. regarded as the protection scope of the present invention.

Claims (9)

1. The sound input and output assembly is characterized by comprising a structural member, a sound input and output device, foam, a scratch-resistant member and an elastic member, wherein the structural member is provided with a sound hole, the sound input and output device is fixed on the structural member, the sound input and output device is aligned to the sound hole of the structural member, the structural member comprises a bearing surface, an opening of the sound hole is arranged on the bearing surface, the back surface of the foam is arranged on the bearing surface and surrounds the periphery of the sound hole of the structural member, the scratch-resistant member and the structural member are integrally formed and are convexly arranged on the bearing surface, the scratch-resistant member is arranged on the periphery of the foam and is protected at the periphery or corners of the foam, the scratch-resistant member shields part of the foam along the central axis direction of the sound hole, and a distance is arranged between the periphery of the foam and the scratch-resistant member; the elastic piece is arranged on one side of the scratch-resistant piece, which is away from the foam, and is adjacent to the scratch-resistant piece, the elastic piece is provided with a fixed end and a free end, the fixed end is fixed on the bearing surface of the structural piece, the free end extends away from the direction of the structural piece, when the structural piece is assembled with the shell, the elastic piece is extruded, and the free end moves towards the direction, which is close to the structural piece, so that the foam is prevented from being scratched away from the bearing surface.

2. The sound input output assembly of claim 1, wherein the sound input output device is a speaker; and/or the number of the groups of groups,

the sound input output device is a microphone.

3. The sound input/output assembly according to claim 1 or 2, wherein the scratch-resistant member comprises at least one blocking wall protruding on the structural member, two adjacent blocking walls are connected, and the shape formed by surrounding the at least one blocking wall corresponds to the edge of the foam.

4. A sound input output assembly as set forth in claim 3 wherein the junction of two of said walls is a cambered surface.

5. The sound input/output assembly of claim 1 or 2, wherein the scratch resistant member comprises at least one corner member, the at least one corner member being disposed adjacent a corner of the foam, adjacent two of the corner members being spaced apart.

6. The sound input/output assembly as set forth in claim 1, wherein the elastic member is in a sheet shape, and a distance between the free end and the structural member in a central axis direction of the sound hole is gradually increased as the free end is gradually moved toward the sound hole.

7. The acoustic input and output assembly of claim 1, wherein the resilient member is a spring.

8. The sound input/output assembly according to claim 1, wherein the thickness of the scratch-resistant member along the central axis direction of the sound hole is 10% to 80% of the thickness of the foam along the central axis direction of the sound hole.

9. A mobile terminal comprising a sound input output assembly as claimed in any one of claims 1 to 8.