CN210093463U

CN210093463U - Earphone module with sound cavity

Info

Publication number: CN210093463U
Application number: CN201921179044.XU
Authority: CN
Inventors: 温增丰
Original assignee: Transound Electronics Co Ltd
Current assignee: Transound Electronics Co Ltd
Priority date: 2019-07-25
Filing date: 2019-07-25
Publication date: 2020-02-18
Anticipated expiration: 2029-07-25

Abstract

The utility model discloses an earphone module with a sound cavity, which comprises a shell, wherein a first PCB, a horn assembly and a battery are arranged in the shell, and the horn assembly and the battery are electrically connected with the first PCB; the shell is provided with a mounting cavity, the mounting cavity is provided with a front end opening and a rear end opening, and the front end opening is an earplug connecting end; the loudspeaker assembly, the battery and the first PCB are sequentially arranged in the mounting cavity from front to back; the battery and the loudspeaker component are arranged at a distance, and the first PCB is packaged at the opening at the rear end so as to seal the rear side of the mounting cavity; borrow this, its whole front chamber that makes earphone module forms an independent closed air chamber, need not the epilogue and adjusts the audio, facilitates the use, has improved user's experience effect, and earphone module's modular design, and its whole module of being convenient for is applied to the earphone product, makes things convenient for the dismouting to change.

Description

Earphone module with sound cavity

Technical Field

The utility model relates to an earphone field technique especially indicates a from earphone module in voiced sound chamber.

Background

The earphone is a pair of conversion units which receive the electric signals sent by the media player or receiver and convert the electric signals into audible sound waves by using a loudspeaker close to the ear. The earphone is generally separable from the media player, and is connected by a plug, so that the earphone can listen to the sound independently without influencing other people; can also isolate the sound of the surrounding environment, and is very helpful for people who use in noisy environment such as a recording studio, a bar, a journey, sports, and the like. The earphone is originally used for telephone and radio, but with the prevalence of portable electronic devices, the earphone is often used for mobile phones, walkmans, radios, portable electronic games, digital audio players, and the like.

The loudspeaker unit of earphone the inside among the prior art is fixed usually, and when loudspeaker unit was assembling in earphone main part, loudspeaker unit's sound chamber can receive earphone main part's inner chamber's influence, need adjust the sound chamber between loudspeaker unit and the earphone main part to the audio demand of difference to adjust to required audio, lead to using loaded down with trivial details inconvenience, experience the effect relatively poor.

Therefore, a new technology needs to be developed to solve the above problems.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model discloses to the disappearance that prior art exists, its main objective provides a from earphone module in voiced cavity, and its whole antetheca that makes earphone module forms an independent closed air chamber, need not the epilogue and adjusts the audio, facilitates the use, has improved user's experience effect, and earphone module's modular design, and its whole module of being convenient for is applied to the earphone product, makes things convenient for the dismouting to change.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an earphone module with a sound cavity comprises a shell, wherein a first PCB, a loudspeaker assembly and a battery are arranged in the shell, and the loudspeaker assembly and the battery are electrically connected to the first PCB;

the shell is provided with a mounting cavity, the mounting cavity is provided with a front end opening and a rear end opening, and the front end opening is an earplug connecting end; the loudspeaker assembly, the battery and the first PCB are sequentially arranged in the mounting cavity from front to back; the battery and the loudspeaker component are arranged at a certain distance, and the first PCB is packaged at the opening at the rear end so as to seal the rear side of the mounting cavity.

As a preferred scheme, the interval is provided with the first installation department that is used for installing loudspeaker subassembly, the second installation department that is used for installing the battery, the third installation department that is used for installing first PCB board from going to back in proper order on the inside wall of installation cavity, loudspeaker subassembly, battery, first PCB board are installed respectively on first installation department, second installation department, third installation department.

As a preferable scheme, a first limiting portion is arranged on the front side of the first mounting portion, and the front end of the horn assembly is limited by the first limiting portion.

As a preferred scheme, a gasket is arranged between the first limiting portion and the horn assembly, the front end of the gasket abuts against the first limiting portion, and the front end of the horn assembly abuts against the rear end of the gasket.

As a preferred scheme, the loudspeaker subassembly is detachable to be installed on first installation department, be provided with first joint portion on the lateral wall of loudspeaker subassembly, the detachable joint of first joint portion is on first installation department.

As a preferred scheme, the battery is detachably installed on the second installation part through a support, a second clamping part is arranged on the outer side wall of the support, and the second clamping part is detachably clamped on the second installation part.

Preferably, a second limiting portion is disposed at a front side of the second mounting portion, and a front end of the bracket is limited by the first limiting portion.

As an optimal scheme, first PCB board is detachable to be installed on the third installation department, be provided with third joint portion on the lateral wall of first PCB board, the detachable joint of third joint portion is on the third installation department.

As a preferred scheme, a plurality of connection contacts for connecting a power supply and a signal are arranged on one side of the first PCB exposed out of the rear opening, and the plurality of connection contacts are exposed out of the opening.

As a preferred scheme, the speaker assembly includes a second PCB, and the second PCB and the battery are electrically connected to the first PCB respectively.

Compared with the prior art, the utility model has obvious advantages and beneficial effects, concretely speaking, according to the technical scheme, the sound cavity is formed by arranging the space between the battery and the loudspeaker component, and the first PCB board is utilized to cover the rear end opening of the shell, so that the rear side of the installation cavity is closed, and the whole front cavity of the earphone module forms an independent closed air chamber; the earphone module is combined with accessories such as the earphone rear shell and the like for application, so that when an earphone product is formed, the sound effect does not need to be adjusted in the subsequent process, the earphone module is convenient to use, and the experience effect of a user is improved;

the earphone module is formed by installing the loudspeaker assembly, the battery and the first PCB in the shell, and the whole module of the earphone module is conveniently applied to an earphone product due to the modular design of the earphone module, so that the earphone module is convenient to disassemble, assemble and replace;

still, the equipment of loudspeaker subassembly, battery, first PCB board in the casing in this earphone module is simple, and dismantled and assembled, also makes things convenient for spare and accessory parts in the earphone module to overhaul change etc..

To more clearly illustrate the structural features and technical means of the present invention and the specific objects and functions achieved thereby, the present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

Drawings

FIG. 1 is a perspective view of the overall structure of the embodiment of the present invention;

FIG. 2 is an exploded view of an embodiment of the present invention;

FIG. 3 is another exploded view of an embodiment of the present invention;

fig. 4 is a cross-sectional view of an embodiment of the invention.

The attached drawings indicate the following:

10. housing 11 and mounting cavity

12. Main body part 13, first mounting part

14. Second mounting part 15, third mounting part

16. A first limit part 17 and a second limit part

18. Connecting part 181 and hollow channel

20. Earplug 30, first PCB board

31. Connecting contact 40 and loudspeaker assembly

41. Second PCB 50, battery

60. Sound cavity 70, gasket

80. And (4) a bracket.

Detailed Description

Fig. 1 to 4 are schematic views showing specific structures of embodiments of the present invention.

The earphone module with the sound cavity comprises a shell 10 and earplugs 20 arranged on the upper shell 10; the housing 10 is provided with a speaker assembly 40, a battery 50 and a first PCB 30; the housing 10 has a mounting cavity 11, the mounting cavity 11 has front and rear openings, and the speaker assembly 40, the battery 50 and the first PCB 30 are sequentially mounted in the mounting cavity 11 from front to back; the battery 50 and the speaker assembly 40 are arranged at a distance to form a sound cavity 60, and the first PCB 30 is packaged in the rear opening to seal the rear side of the mounting cavity 11; the shell 10 includes a main body 12 and a connecting portion 18 integrally connected to the main body 12, and the earplug 20 is mounted on the connecting portion 18.

Specifically, on the inside wall of installation cavity 11 from going to back in proper order the interval set up be used for installing loudspeaker subassembly 40 first installation department 13, be used for installing battery 50 second installation department 14, be used for installing first PCB board 30 third installation department 15, loudspeaker subassembly 40, battery 50, first PCB board 30 are installed respectively on first installation department 13, second installation department 14, third installation department 15.

A first limiting portion 16 is disposed at the front side of the first mounting portion 13, and the front end of the horn assembly 40 is limited by the first limiting portion 16; the first position-limiting portion 16 is preferably an annular position-limiting portion, so that the front end of the speaker assembly 40 can be limited by the first position-limiting portion 16 to cover the front end opening. Therefore, the positioning of the horn assembly 40 is realized through the arrangement of the first mounting part 13 and the first limiting part 16, so that the horn assembly 40 is smoothly mounted in the mounting cavity 11, and the horn assembly 40 can cover the front end opening.

In this embodiment, preferably, a gasket 70 is disposed between the first position-limiting portion 16 and the horn assembly 40, a front end of the gasket 70 abuts against the first position-limiting portion 16, and a front end of the horn assembly 40 abuts against a rear end of the gasket 70; the gasket 70 is preferably a hollow annular gasket 70; therefore, the arrangement of the gasket 70 can protect the horn assembly 40 to a certain extent, and the phenomenon that one end of the horn assembly 40 is damaged due to direct contact with the inner side wall of the housing 10 is avoided.

Preferably, loudspeaker subassembly 40 is detachable to be installed on first installation department 13, be provided with first joint portion on loudspeaker subassembly 40's the lateral wall, the detachable joint of first joint portion is on first installation department 13. Therefore, the first clamping portion is clamped in the first mounting portion 13, so that the horn assembly 40 is detachably mounted in the shell 10, the horn assembly 40 is convenient to assemble and replace, and the mounting structure of the horn assembly 40 is simplified.

The battery 50 is detachably mounted on the second mounting portion 14 through a bracket 80, a second clamping portion is arranged on the outer side wall of the bracket 80, and the second clamping portion is detachably clamped on the second mounting portion 14; a second limiting part 17 is arranged on the front side of the second mounting part 14, and one end of the bracket 80 is limited by the first limiting part 16; preferably, the second position-limiting portion 17 is an annular position-limiting portion. Borrow this, through the setting of second joint portion joint in second installation department 14, make battery 50 install in casing 10 through support 80 detachablely, so that battery 50's dismouting is changed, and, through the setting of the spacing portion 17 of second, can make the one end of support 80 can seal the rear side of installing cavity 11, combine aforementioned first PCB board 30 to encapsulate in the rear end opening, aforementioned loudspeaker subassembly 40 seals the front end opening, so that the rear side of installing cavity 11 is airtight, make the whole front chamber of earphone module form an independent closed air chamber, need not to adjust in order to reach required audio when the back preface uses, only need to reserve loudspeaker subassembly 40 in casing 10 according to different loudspeaker subassemblies before dispatching from the factory, battery 50's installation space and interval can, so, can confirm the audio when dispatching from the factory.

First PCB board 30 is detachable installs on third installation department 15, be provided with third joint portion on first PCB board 30's the lateral wall, the detachable joint of third joint portion is on third installation department 15. Therefore, the first PCB 30 can be detachably mounted in the housing 10 by the third engaging portion engaging with the third mounting portion 15, so that the first PCB 30 can be easily disassembled and replaced. In the present embodiment, preferably, a plurality of connection contacts 31 for connecting a power source and a signal are disposed on one side of the first PCB 30 exposed in the opening 12, and the plurality of connection contacts 31 are exposed in the opening 12 for connecting a power source and a signal line; of course, the connection between the first PCB 30 and the external power source and the signal line is not limited to contact connection, but may also be elastic contact, wire connection, pin connection, or joint connection, and only needs to satisfy the requirement of the connection between the first PCB 30 and the external power source and the signal line, which is not described herein.

Above first joint portion, second joint portion, third joint portion and the joint of corresponding first installation department, second installation department, third installation department, accessible elastic buckle realizes the joint with being connected in card hole, also can carry out the joint through other joint structures, for example: the connection structure of the hook and the slot only needs to detachably mount the speaker assembly 40, the battery 50 and the first PCB 30.

In addition, in the present embodiment, the speaker assembly 40 includes a second PCB 41, and the second PCB 41 and the battery 50 are electrically connected to the first PCB 30 respectively; preferably, the second PCB 41 and the battery 50 can be electrically connected to the first PCB 30 through elastic sheet elastic contact, wire connection, thimble connection, joint connection, and other connection methods, which are not limited to the above connection methods, and only the second PCB 41 and the battery 50 need to be electrically connected to the first PCB 30, which is not described herein.

In summary, the design of the utility model is characterized in that the sound cavity is formed by arranging the space between the battery and the speaker assembly, and the rear end opening of the shell is covered by the first PCB board, so that the rear side of the installation cavity is sealed, and the whole front cavity of the earphone module forms an independent sealed air chamber; the earphone module is combined with accessories such as the earphone rear shell and the like for application, so that when an earphone product is formed, the sound effect does not need to be adjusted in the subsequent process, the earphone module is convenient to use, and the experience effect of a user is improved; the earphone module is formed by installing the loudspeaker assembly, the battery and the first PCB in the shell, and the whole module of the earphone module is conveniently applied to an earphone product due to the modular design of the earphone module, so that the earphone module is convenient to disassemble, assemble and replace; still, the equipment of loudspeaker subassembly, battery, first PCB board in the casing in this earphone module is simple, and dismantled and assembled, also makes things convenient for spare and accessory parts in the earphone module to overhaul change etc..

The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that any slight modifications, equivalent changes and modifications made by the technical spirit of the present invention to the above embodiments are all within the scope of the technical solution of the present invention.

Claims

1. The utility model provides a from earphone module in voiced sound chamber which characterized in that: the loudspeaker comprises a shell, wherein a first PCB, a loudspeaker assembly and a battery are arranged in the shell, and the loudspeaker assembly and the battery are electrically connected to the first PCB;

2. The headphone module with a sound cavity as in claim 1, wherein: the utility model discloses a loudspeaker subassembly, battery, first PCB board, installation cavity, second installation department, third installation department, loudspeaker subassembly, battery, first PCB board are installed respectively on first installation department, second installation department, third installation department, the interval set gradually after going to on the inside wall of installation cavity is used for installing the first installation department of loudspeaker subassembly, is used for installing the battery, is used for installing the third installation department of first PCB board.

3. The headphone module with a sound cavity as in claim 2, wherein: the front side of first installation department is provided with first spacing portion, the front end of loudspeaker subassembly is subject to first spacing portion.

4. The headphone module with a sound cavity as in claim 3, wherein: be provided with the packing ring between first spacing portion and the loudspeaker subassembly, the front end butt of packing ring is in first spacing portion, the front end butt of loudspeaker subassembly is in the rear end of packing ring.

5. The headphone module with a sound cavity as in claim 2, wherein: the loudspeaker subassembly is detachable to be installed on first installation department, be provided with first joint portion on the lateral wall of loudspeaker subassembly, the detachable joint of first joint portion is on first installation department.

6. The headphone module with a sound cavity as in claim 2, wherein: the battery is detachably installed on the second installation portion through a support, a second clamping portion is arranged on the outer side wall of the support, and the second clamping portion is detachably clamped on the second installation portion.

7. The headphone module with a sound cavity as in claim 6, wherein: the front side of the second installation part is provided with a second limiting part, and the front end of the bracket is limited by the first limiting part.

8. The headphone module with a sound cavity as in claim 2, wherein: first PCB board is detachable installs on the third installation department, be provided with third joint portion on the lateral wall of first PCB board, the detachable joint of third joint portion is on the third installation department.

9. The headphone module with a sound cavity as in claim 1, wherein: the first PCB is provided with a plurality of connecting contacts for connecting a power supply and a signal on one side exposed out of the opening at the rear end, and the connecting contacts are exposed out of the opening.

10. The headphone module with a sound cavity as in claim 1, wherein: the loudspeaker subassembly includes the second PCB board, battery electric connection respectively in first PCB board.