CN216649964U - Earphone (Headset) - Google Patents

Abstract

The application provides an earphone which comprises a functional component, a control component, a mounting shell and an isolation part; the mounting housing comprises a first mounting part and a second mounting part; the isolation part is arranged between the first installation part and the second installation part, a first installation cavity is formed between the first installation part and the isolation part, and a second installation cavity is formed between the second installation part and the isolation part; the functional component is arranged in the first mounting cavity; the control assembly is disposed within the second mounting cavity. The problem that current earphone assembling process is comparatively time-consuming, assembly efficiency is lower can be solved to this application.

Description

Earphone (Headset)

Technical Field

The present application relates to the field of audio devices, and more particularly to headphones.

Background

Headphones are a common audio device used in everyday life that receives electrical signals from a media player or receiver and converts them into audible sound waves using a speaker near the ear.

At present common earphone, for example, the TWS earphone includes functional component, control assembly, installation casing and end cover usually, and wherein functional component and control assembly all set up in the installation casing to offer the opening that is used for being convenient for install functional component and control assembly on the installation casing, the opening part is then established to the end cover lid, thereby forms comparatively inclosed cavity. In the assembly process of the earphone, the functional assembly and the control assembly are usually installed according to a certain sequence through the opening at present, each component part and the installation shell are fixed in a dispensing mode and the like, and finally the end cover is covered at the opening, so that the assembly process of the earphone is realized.

When adopting above-mentioned scheme to assemble functional unit and control assembly in the installation casing, need install control assembly earlier through the opening and then install functional unit, assembly process is comparatively time-consuming, and assembly efficiency is lower.

SUMMERY OF THE UTILITY MODEL

The application provides an earphone for solve current earphone assembling process comparatively take time, the lower problem of assembly efficiency.

The application provides an earphone which comprises a functional component, a control component, a mounting shell and an isolating part;

the mounting housing includes a first mounting portion and a second mounting portion;

the isolation part is arranged between the first installation part and the second installation part, a first installation cavity is formed between the first installation part and the isolation part, and a second installation cavity is formed between the second installation part and the isolation part;

the functional component is arranged in the first mounting cavity; the control assembly is disposed within the second mounting cavity.

It is further provided that the isolation part is mounted on the first mounting part and is fixed to the first mounting part.

The functional component comprises a loudspeaker, and a sound outlet hole is formed in the first mounting part; loudspeaker are connected on the inside wall of first installation department, loudspeaker will first installation cavity is cut apart into antetheca and back chamber, loudspeaker orientation one side of going out the sound hole does the antetheca, loudspeaker deviate from one side of going out the sound hole does the back chamber, the back chamber volume is the antetheca is volumetric 1.5 ~ 2 times.

A light sensing piece is further arranged in the first mounting cavity, and at least part of the light sensing piece is exposed on the surface of the first mounting part; one end of the horn is fixedly connected with the light sensing piece.

It is further provided that a battery is further included, the battery being mounted on the separator.

Further, a mounting groove is formed in the isolation portion, and the battery is arranged in the mounting groove and located in the second mounting cavity.

Further, a sealing ring is arranged on the isolation part, and the outer side of the sealing ring is in close contact with the inner wall of the first installation part.

Further set up as, first installation department with the second installation department joint is fixed.

The inner wall of the first installation part positioned at the front cavity is further arranged to be in a circular arc curved surface shape.

It is further provided that the functional assembly further comprises an acoustic test piece, the acoustic test piece being disposed at the sound outlet.

The application provides an earphone which comprises a functional component, a control component, a mounting shell and an isolation part; the mounting housing includes a first mounting portion and a second mounting portion; the isolation part is arranged between the first installation part and the second installation part, a first installation cavity is formed between the first installation part and the isolation part, and a second installation cavity is formed between the second installation part and the isolation part; the functional component is arranged in the first mounting cavity; the control assembly is disposed within the second mounting cavity.

By adopting the above scheme, when installing functional component and control assembly, can install functional component in first installation cavity to install control assembly in second installation cavity, thereby make functional component and control assembly's assembling process can go on simultaneously, the first installation department that will install functional component afterwards is connected with the second installation department that installs control assembly, makes the assembling process of earphone save time more, and assembly efficiency is higher.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the application and, together with the description, serve to explain the principles of the application.

FIG. 1 is a schematic structural diagram of the present application;

fig. 2 is a schematic structural view of the first mounting portion.

Description of reference numerals:

1. installing a shell; 11. a first mounting portion; 111. a sound outlet hole; 112. a sound outlet passage; 113. mounting a boss; 1131. a raised strip; 12. a second mounting portion; 121. installing a ring; 1211. a clamping groove; 2. an isolation section; 21. mounting grooves; 22. a yielding groove; 23. a seal ring; 3. a functional component; 31. a horn; 32. a light-sensitive element; 33. an acoustic test piece; 4. a control component; 5. a battery; 6. a first mounting cavity; 61. a front cavity; 62. a rear cavity; 7. and a second mounting cavity.

With the above figures, there are shown specific embodiments of the present application, which will be described in more detail below. These drawings and written description are not intended to limit the scope of the inventive concepts in any manner, but rather to illustrate the inventive concepts to those skilled in the art by reference to specific embodiments.

Detailed Description

Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present application. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present application, as detailed in the appended claims.

The following describes the technical solutions of the present application and how to solve the above technical problems with specific embodiments. The following several specific embodiments may be combined with each other, and details of the same or similar concepts or processes may not be repeated in some embodiments. Embodiments of the present application will be described below with reference to the accompanying drawings.

The application provides an earphone can solve current earphone assembling process and comparatively take time, the lower problem of assembly efficiency, in this embodiment to the TWS earphone introduces the structure of this application as the example. Referring to fig. 1 and 2, the headset includes a functional component 3, a control component 4, a mounting case 1, and a partition 2; in order to facilitate the assembly process of the earphone, the mounting case 1 includes a first mounting portion 11 and a second mounting portion 12, and the isolation portion 2 is disposed between the first mounting portion 11 and the second mounting portion 12 to isolate the first mounting portion 11 from the second mounting portion 12, such that a first mounting cavity 6 is formed between the first mounting portion 11 and the isolation portion 2, and a second mounting cavity 7 is formed between the second mounting portion 12 and the isolation portion 2.

It is easily understood that, the first installation portion 11 and the second installation portion 12 together form the installation housing 1, and as for the shape of the installation housing 1, the description is omitted in this application, as long as it is ensured that the first installation portion 11 and the second installation portion 12 can be adjusted according to actual needs.

And in order to make the assembling process of the isolation part 2 more convenient, so in this application, continue to refer to fig. 1 and fig. 2, still install the isolation part 2 on the first installation part 11, and the isolation part 2 still sets up with the first installation part 11 is fixed, thereby make when assembling the earphone, can be connected isolation part 2 and first installation part 11 earlier, again with first installation part 11 and second installation part 12 fixed, thereby make the assembling process of earphone more convenient.

In order to assemble the functional component 3 and the control component 4 at the same time, in the present application, the functional component 3 is disposed on the first mounting portion 11, the functional component 3 includes a horn 31, and the horn 31 is disposed in the first mounting cavity 6; and the control unit 4 is arranged on the second mounting portion 12 and is located in the second mounting chamber 7.

Through adopting above-mentioned scheme, when the assembly earphone, the operation personnel can install each component of functional component 3 and control assembly 4 simultaneously, are about to install functional component 3 on first installation department 11 to install control assembly 4 on second installation department 12, make control assembly 4 be located second installation cavity 7. And then, the parts of the functional component 3 and the control component 4 which need to be connected are operated, and finally, the first mounting part 11 is connected with the second mounting part 12, so that the assembly process of the earphone is more convenient.

It is easy to understand that, in the present application, regarding the installation of the components of the functional component 3 and the control component 4, the components of the functional component 3 can be fixed on the first installation portion 11 or the components of the control component 4 can be fixed on the second installation portion 12 by means of glue or the like, which is not limited in this application, as long as it can be ensured that the components of the functional component 3 and the control component 4 cannot easily fall off the protective housing.

Referring to fig. 1 and 2, the headset further includes a battery 5, and it is easily understood that the battery 5 may be another component such as a dc power supply, and may be adjusted according to different headsets, which is not limited in this application. In order to ensure that the volume in the first installation chamber 6 is not affected by the battery 5, the battery 5 is installed on the isolation part 2, and the battery 5 is also arranged in the second installation chamber 7. In order to make the installation of the battery 5 more stable, in the present application, for example, a mounting groove 21 for placing the battery 5 is opened at one side of the isolation part 2 close to the second installation part 12, and the battery 5 is disposed in the mounting groove 21.

Considering that the battery 5 in the second mounting cavity 7 may need to be connected to the speaker 31 in the first mounting cavity 6 through an electric wire, a through hole for passing the electric wire may be further opened on the isolation portion 2, or the electric wire may pass through between the isolation portion 2 and the inner wall of the first mounting cavity 11, as long as the normal use of the functional component 3 is satisfied, which is not described in detail in this embodiment.

When the functional component 3 is assembled, other components such as the speaker 31 and the like are firstly installed on the first installation part 11 by means of glue dispensing and the like, then the isolation part 2 is fixed on the first installation part 11, so that electric wires carried by the speaker 31 and the like can pass through the through hole on the isolation part 2 or pass through the isolation part 2 and the inner wall of the first installation part 11, then the battery 5 is placed in the installation groove 21, the battery 5 and the isolation part 2 are fixed by means of glue dispensing and the like, and finally the electric wires are connected to the battery 5, so that the functional component 3 is installed on the first installation part 11.

The following is a description of the isolation portion 2 and a specific connection manner between the isolation portion 2 and the first installation portion 11, referring to fig. 1 and 2, first, the edge of the isolation portion 2 is attached to the inner wall of the first installation portion 11, and the isolation portion 2 may be made of plastic or metal sheet, and the like, and as for the specific shape of the isolation portion 2, the present application is not limited. Since the horn 31 and other components in the functional assembly 3 are disposed in the first mounting cavity 6, in order to ensure the sealing performance of the first mounting cavity 6, the isolating part 2 is further provided with a sealing ring 23 for sealing, and the outer side of the sealing ring 23 is in close contact with the inner wall of the first mounting part 11, so that the sealing performance of the first mounting cavity 6 is ensured.

It is easy to understand that the sealing ring 23 may be disposed on the side of the partition portion 2 located in the first mounting cavity 6, or may be disposed on the side of the partition portion 2 located in the second mounting cavity 7, as long as the sealing performance between the partition portion 2 and the first mounting portion 11 can be ensured, and the application does not limit the mounting position of the sealing ring 23.

And through adopting above-mentioned technical scheme, when needs test functional component 3, only need with functional component 3 install on first installation department 11 after, can independently test functional component 3 to it is more convenient to make functional component 3's test procedure. And when certain trouble appeared in functional component 3, then can be earlier with 11 related functional component 3 of first installation department and the separation of second installation department 12, later with functional component 3 from first installation department 11 pull down can, also make functional component 3's change process more convenient.

The connection between the control component 4 and the second installation portion 12 is described below with reference to fig. 1, and it is easy to understand that the process of installing the control component 4 on the second installation portion 12 can also be implemented by dispensing glue, etc.; or, also can be through setting up joint spare on second installation department 12 to pass through joint spare joint on second installation department 12 with each component of control assembly 4, to this connected mode, this application is no longer repeated here, as long as can guarantee the stability of being connected between each component of control assembly 4 and second installation department 12 can.

Therefore, in summary, when the assembly process of the earphone is completed, the control component 4 can be fixed on the second mounting portion 12 by using the glue dispensing method, so as to implement the mounting process of the control component 4; then fix loudspeaker 31 on first installation department 11 again, fix isolation 2 on first installation department 11 subsequently, make the electric wire that loudspeaker 31 etc. carried pass through the opening on isolation 2 or from between isolation 2 and the first installation department 11 inner wall, then place battery 5 in mounting groove 21, and fix battery 5 and isolation 2, connect the electric wire on battery 5 finally, thus realize the installation of functional unit 3, carry out the capability test to functional unit 3 subsequently, after functional unit 3 tests qualified, fix first installation department 11 with functional unit 3 and second installation department 12 with control unit 4, thus realize the assembly process of earphone.

The connection between the first mounting portion 11 and the second mounting portion 12 will be described with reference to fig. 1, and the first mounting portion 11 and the second mounting portion 12 are exemplary fixed in a snap-fit manner in this embodiment. The first mounting portion 11 is provided with a mounting boss 113 used for being matched with the second mounting portion 12, the mounting boss 113 is annular, and the mounting boss 113 is arranged on one side of the first mounting portion 11 close to the second mounting portion 12. Correspondingly, the second mounting portion 12 is provided with a mounting ring 121, and the mounting ring 121 is sleeved on the mounting boss 113, so that the second mounting portion 12 and the first mounting portion 11 can be fixed by using the mounting ring 121 and the mounting boss 113.

In order to make the connection between the second mounting portion 12 and the first mounting portion 11 more stable, in the present application, referring to fig. 1 and 2, a protruding strip 1131 is further disposed on the mounting boss 113, and the protruding strip 1131 is disposed outside the mounting boss 113 and is integrally formed with the mounting boss 113; correspondingly, the inner side of the mounting ring 121 is correspondingly provided with a clamping groove 1211, and when the mounting ring 121 is sleeved on the mounting boss 113, the protruding strip 1131 is located in the clamping groove 1211, so that the connection between the second mounting portion 12 and the first mounting portion 11 is more stable.

By adopting the above technical scheme, when the first installation part 11 and the second installation part 12 are fixed, the installation ring 121 on the second installation part 12 is sleeved on the installation boss 113 of the first installation part 11, and the protruding strip 1131 enters the clamping groove 1211, so that the first installation part 11 can be clamped and fixed on the second installation part 12, the connection between the first installation part 11 and the second installation part 12 is more stable, and the possibility that the first installation part 11 is separated from the second installation part 12 is reduced.

It is easy to understand that if the connection between the first mounting portion 11 and the second mounting portion 12 needs to be more stable, the adhesive can be dispensed between the mounting ring 121 and the mounting boss 113, so that the mounting ring 121 and the mounting boss 113 can be fixed in an adhesive manner.

The specific manner in which the functional component 3 is mounted in the first mounting portion 11 will be described with reference to fig. 1.

It should be understood that the functional component 3 includes, but is not limited to, the horn 31, and the horn 31 is disposed in the first installation cavity 6 and can divide the first installation cavity 6 into the front cavity 61 and the rear cavity 62. And by taking the sound outlet hole 111 as a contrast, the side of the horn 31 facing the sound outlet hole 111 is the front cavity 61, and the side of the horn 31 departing from the sound outlet hole 111 is the rear cavity 62. And the volume ratio between the front chamber 61 and the rear chamber 62 can be adjusted according to the actual requirements of the speaker 31, for example, the earphone has different emphasis on the treble sound effect or the bass sound effect, in this application, the volume of the rear chamber 62 is exemplarily set to be 1.5 times to 2 times of the volume of the front chamber 61, so as to ensure the sound effect of the speaker 31.

For example, when the earphone requires a good treble sound effect, the volume of the rear chamber 62 may be set to be 1.5 times the volume of the front chamber 61; and when the earphone requires a good bass sound effect, the volume of the rear chamber 62 may be set to be 2 times of the volume of the front chamber 61.

In order to fix the horn 31 to a certain extent, in the present application, for example, referring to fig. 1, one end of the horn 31 may be abutted against the inner wall of the first mounting portion 11, and then glue may be applied between the horn 31 and the inner wall of the first mounting portion 11, so as to bond the end of the horn 31 to the first mounting portion 11. When there is a certain distance between the other end of the horn 31 and the other position of the inner wall of the first mounting portion 11, a support piece for fixing the horn 31 can be selectively arranged between the other end of the horn 31 and the first mounting portion 11, so that the horn 31 can be supported by the support piece, and the position of the horn 31 is more stable.

It is easy to understand that the supporting member can be selected to be dedicated to supporting the speaker 31, or the speaker 31 abuts against other components, so as to utilize other components to play a certain supporting role for the speaker 31, and further enable other components to play a role of the supporting member.

In this application, for example, with continued reference to fig. 1, the functional assembly 3 further includes a light sensing element 32 for performing a light sensing function, and at least a portion of the light sensing element 32 is exposed on the surface of the first mounting portion 11, so as to be capable of being fixed with the first mounting portion 11, and as for a specific mounting relationship between the light sensing element 32 and the first mounting portion 11, details of this application are omitted; in order to enable the light-sensing element 32 to support the speaker 31 to a certain extent, in this embodiment, one end of the speaker 31 is fixedly connected to the light-sensing element 32, so that two ends of the speaker 31 are respectively disposed at the first mounting portion 11 and the light-sensing element 32, and the light-sensing element 32 can be used to support the speaker 31 to a certain extent.

By adopting the technical scheme, when the horn 31 is installed, the photosensitive element 32 is firstly placed in the first installation cavity 6, so that part of the photosensitive element 32 is exposed on the surface of the first installation part 11, and then the photosensitive element 32 is fixed with the first installation part 11, so that the installation of the photosensitive element 32 is completed; subsequently, the horn 31 is placed in the first mounting cavity 6, the sound emitting side of the horn 31 faces the sound emitting hole 111, one end of the horn 31 abuts against the inner wall of the first mounting portion 11, the other end of the horn 31 abuts against the light sensing member 32, and then the two ends of the horn 31 are fixed with the first mounting portion 11 or the light sensing member 32 by means of glue dispensing and the like, so that the mounting process of the horn 31 can be completed, and the first mounting cavity 6 can be divided into the front cavity 61 and the rear cavity 62 by the horn 31.

It is easy to understand that when the speaker 31 is installed in the first installation cavity 6 and the isolation part 2 is installed, a part of the speaker 31 may abut on the isolation part 2, thereby affecting the installation process of the isolation part 2, and even causing a certain deviation of the installation position of the isolation part 2, thereby affecting the volume of the first installation cavity 6, further changing the volume ratio between the front cavity 61 and the rear cavity 62, and affecting the sound effect of the speaker 31.

Therefore, in order to solve the above problem, in the present application, for example, a yielding groove 22 for placing the horn 31 portion is further provided on the isolation portion 2, and the yielding groove 22 is provided on the side where the first mounting cavity 6 is located, so that the horn 31 portion can be located in the yielding groove 22, thereby making the mounting process of the isolation portion 2 more convenient, and the horn 31 does not affect the mounting position of the isolation portion 2 and the volume of the first mounting cavity 6.

In the process of the sound production of the horn 31, because the horn 31 usually produces sound waves through vibration, when the horn 31 vibrates, the inner wall of the front cavity 61 may not be flat enough, so that some uneven parts occur, and when the sound waves produced by the horn 31 in vibration contact with the inner wall of the front cavity 61, certain noise waves may be produced under the reflection of the inner wall of the front cavity 61, so that the sound production quality of the horn 31 is affected.

In the present application, therefore, harmonics of the acoustic curve are optimized to reduce the noise generated by the horn 31 reflecting off the inner wall of the front cavity 61 during sound production. Exemplarily, set up to be the circular arc curved surface form at the first installation department 11 inner wall that is located front cavity 61 department for the first installation department 11 inner wall that is located front cavity 61 department can have certain camber structure, thereby at loudspeaker 31 vibrations vocal in-process, has reduced the sound wave and has been located the 11 inner walls contact of first installation department of front cavity 61 department, and the possibility of the clutter appears when reflecting, has guaranteed the vocal quality of earphone.

In order to improve the sound reception sensitivity and thus improve the noise reduction effect of the acoustic ENC, in the present application, the functional module 3 further includes an acoustic testing piece 33 for performing a detection function, and the acoustic testing piece 33 is disposed at the sound outlet hole 111, so that the sound at the sound outlet hole 111 can be collected and detected. In the present embodiment, the acoustic testing piece 33 is an acoustic FB-MIC component, which is not limited in the present application, and it is to be understood that the acoustic testing piece 33 may also be other structures.

The following description will be made with reference to fig. 1 for a specific installation manner of the acoustic test piece 33, and it is easily understood that the acoustic test piece 33 needs to be connected to the control component 4 so as to be able to adjust the functional components 3 such as the speaker 31 and the like by using the control component 4, so that the acoustic component is provided with a connecting wire, and the connecting wire needs to pass through the isolation portion 2 in the first installation cavity 6 and extend into the second installation cavity 7 so as to be connected to the control component 4. And in order to make the installation of connecting wire more stable to make the connecting wire can not exert an influence to loudspeaker 31's sound production process, so in this application, exemplarily, the connecting wire is attached on the inner wall of first installation department 11, and is fixed with first installation department 11, thereby makes the installation of connecting wire more stable.

The sound outlet hole 111 of the first mounting part 11 is further provided with a sound outlet passage 112, and the acoustic test piece 33 is disposed in the sound outlet passage 112 and fixed to the inner wall of the sound outlet passage 112. As for the connection mode between the connection line and the first installation portion 11 and the connection mode between the acoustic test piece 33 and the sound outlet passage 112, both can be realized by dispensing and the like, and the description of the application is omitted here.

Through adopting above-mentioned scheme, when being provided with acoustics test piece 33 in the current chamber 61, the setting can detect the sound of going out sound hole 111 department at acoustics test piece 33 of sound passageway 112 to transmit to control assembly 4 department through the connecting wire, thereby can make control assembly 4 in time adjust functional unit 3, and then can improve the radio reception sensitivity, improve acoustics ENC noise reduction.

In summary, when the functional module 3 and the control module 4 are mounted, the functional module 3 can be fixedly mounted in the first mounting cavity 6 by means of dispensing and the like, so that the speaker 31 can divide the first mounting cavity 6 into the front cavity 61 and the rear cavity 62, the volume of the rear cavity 62 is set to be 1.5 times to 2 times of the volume of the front cavity 61, and meanwhile, the light sensing element 32 and the acoustic testing element 33 can play a certain role; subsequently, the partition part 2 is mounted on the first mounting part 11, and the battery 5 is mounted in the mounting groove 21, so that the functional component 3 in the first mounting cavity 6 can be connected with the battery 5, thereby supplying power to the functional component 3 by using the battery 5; subsequently, the control component 4 is installed in the second installation cavity 7, so that the assembling processes of the functional component 3 and the control component 4 can be carried out simultaneously, the first installation part 11 provided with the functional component 3 is connected with the second installation part 12 provided with the control component 4, the first installation part 11 and the second installation part 12 are clamped and fixed by the installation ring 121 and the installation boss 113, the assembling process of the earphone is more time-saving, and the assembling efficiency is higher.

Other embodiments of the present application will be apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the application and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the application being indicated by the following claims.

It will be understood that the present application is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the application is limited only by the appended claims.

Claims (10)

1. An earphone is characterized by comprising a functional component, a control component, a mounting shell and a separation part;

the mounting housing includes a first mounting portion and a second mounting portion;

the isolation part is arranged between the first installation part and the second installation part, a first installation cavity is formed between the first installation part and the isolation part, and a second installation cavity is formed between the second installation part and the isolation part;

the functional component is arranged in the first mounting cavity; the control assembly is disposed within the second mounting cavity.

2. The headset of claim 1, wherein the spacer portion is mounted on and secured to the first mounting portion.

3. The earphone according to claim 1, wherein the functional component comprises a speaker, and the first mounting portion is provided with a sound outlet; loudspeaker are connected on the inside wall of first installation department, loudspeaker will first installation cavity is cut apart into antetheca and back chamber, loudspeaker orientation one side of going out the sound hole does the antetheca, loudspeaker deviate from one side of going out the sound hole does the back chamber, the back chamber volume is the antetheca is volumetric 1.5 ~ 2 times.

4. The earphone according to claim 3, wherein a light sensing member is further disposed in the first mounting cavity, and the light sensing member is at least partially exposed on the surface of the first mounting portion; one end of the horn is fixedly connected with the light sensing piece.

5. The headset of claim 2, further comprising a battery mounted on the isolator.

6. The earphone according to claim 5, wherein the isolation portion is provided with a mounting groove, and the battery is disposed in the mounting groove and located in the second mounting cavity.

7. The earphone according to claim 2, wherein the spacer is provided with a packing, and an outer side of the packing is in close contact with an inner wall of the first mounting portion.

8. The headset of claim 1, wherein the first mounting portion is snap-fit to the second mounting portion.

9. The earphone according to claim 3, wherein the inner wall of the first mounting portion at the front cavity is curved in a circular arc shape.

10. The headset of claim 3, wherein the functional assembly further comprises an acoustic test piece disposed at the sound outlet.

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