CN217216848U

CN217216848U - In-ear earphone

Info

Publication number: CN217216848U
Application number: CN202123379657.8U
Authority: CN
Inventors: 韩晓梅
Original assignee: Goertek Techology Co Ltd
Current assignee: Goertek Techology Co Ltd
Priority date: 2021-12-30
Filing date: 2021-12-30
Publication date: 2022-08-16
Anticipated expiration: 2031-12-30

Abstract

The utility model provides an in-ear earphone, which comprises a sound outlet mouth, a sound outlet net and an ear cover, wherein the ear cover comprises a cylindrical part and a head part, and the cylindrical part is detachably sleeved on the sound outlet mouth; the sound outlet nozzle is internally provided with a direct current electrode, the direct current electrode is connected with a power supply, the direct current electrode is provided with a dielectric layer, the dielectric layer is positioned on the front end face of the sound outlet nozzle, and the sound outlet net is adsorbed on the front end face of the sound outlet nozzle under the action of electrostatic attraction generated by the power supply for electrifying the direct current electrode. The utility model adsorbs the sound outlet net on the front end face of the sound outlet nozzle through electrostatic attraction, so that the sound outlet net is convenient and quick to disassemble, assemble and replace, the soft support and strong adsorption of the sound outlet net are realized, and the sound outlet net cannot be damaged; the convenience has realized the adjustment to earphone tone quality through changing different play sound nets, has satisfied different customers' demand.

Description

In-ear earphone

Technical Field

The utility model relates to an earphone field, concretely relates to in-ear earphone's institutional advancement.

Background

At present, more and more consumers in the market select the in-ear earphones, the functions of the in-ear earphones are more and more abundant, but the core of the in-ear earphones is essentially the sound quality. The sound output network is one of the important factors affecting the sound quality of the in-ear earphone.

Among the prior art, the sound net that goes out of in-ear earphone generally fixes at earphone play sound position through double faced adhesive tape or glue, and this kind of method not only is difficult for dismantling the change, also influences the sound quality easily, has multiple drawback, specifically as follows:

(1) glue overflows or double-sided adhesive tape shifts in the process of fixing the sound output network, and residual glue is not easy to clean, so that mesh sound is blocked, the tone quality is influenced, and the appearance impression is influenced;

(2) after the earphone is used for a long time, the earphone cannot be influenced by earwax in the auditory canal, so that mesh blockage is caused, and the integrity of the sound output net is further damaged through chemical action, the sound quality is influenced, and the earphone is inconvenient to clean;

(3) the inevitable wear of the earphone sound outlet net in the using process also influences the sound quality.

Disclosure of Invention

Based on this, the to-be-solved technical problem of the utility model is to provide an in-ear earphone that goes out sound net and be convenient for change.

In order to solve the technical problem, the utility model adopts the following technical scheme to realize:

an in-ear earphone comprises a sound outlet nozzle, a sound outlet net and an ear cover, wherein the ear cover comprises a cylindrical part and a head part for being plugged into an ear, and the cylindrical part is detachably sleeved on the sound outlet nozzle; the sound outlet is internally provided with a direct current electrode which is connected with a power supply and provided with a dielectric layer, the dielectric layer is positioned on the front end face of the sound outlet, and the sound outlet net is adsorbed on the front end face of the sound outlet under the action of electrostatic attraction generated by electrifying the direct current electrode by the power supply.

The direct current electrode comprises an annular part, the annular part and the sound outlet nozzle are coaxially arranged and located on the front end face of the sound outlet nozzle, the dielectric layer is correspondingly annular and covers the front end face of the annular part.

The dielectric layer is exposed on a front end surface of the sound outlet nozzle.

The direct current electrode further comprises a connecting portion, one end of the connecting portion is connected with the annular portion into a whole, and the other end of the connecting portion is connected with the power supply.

The front end face of the sound outlet nozzle is provided with a stepped positioning groove, and the sound outlet net is matched and attached to the bottom surface of the positioning groove.

And an annular groove matched with the annular part is arranged on the bottom surface of the positioning groove, and the annular part is embedded into the annular groove.

A stopping part positioned at the front side of the sound outlet net is formed on the inner wall of the cylindrical part.

The earmuff is a bijection injection molding structure, the head is soft rubber, the cylindrical part is hard rubber, and the cylindrical part is clamped with the sound outlet nozzle.

Be formed with annular clamping groove on the tube-shape portion inner wall, be formed with annular arch on the sound outlet mouth outer wall, annular arch with the joint is realized in the annular clamping groove cooperation.

The power supply is arranged on the FPC board of the in-ear earphone.

Compared with the prior art, the utility model has the advantages of it is following and positive effect:

1. the sound outlet nozzle is internally provided with a direct current electrode which is connected with a power supply, the power supply generates electrostatic suction effect on the power supply of the direct current electrode, so that the front end of the sound outlet nozzle forms an electrostatic sucker structure, the sound outlet net is adsorbed on the front end of the sound outlet nozzle, the problems that the residual glue is difficult to clean and the sound outlet net is difficult to disassemble and replace when the sound outlet net is fixed in an adhesive mode in the prior art are solved, the sound outlet net can be taken down by disassembling an ear sleeve, the sound outlet net is convenient and quick to disassemble and replace, the soft support strong adsorption of the sound outlet net is realized, and the sound outlet net cannot be damaged;

2. the convenience has realized the adjustment to earphone tone quality through changing different play sound nets, has satisfied different customers' demand.

Drawings

Fig. 1 is a schematic perspective view of an in-ear earphone according to an embodiment of the present invention;

FIG. 2 is a side view of FIG. 1;

FIG. 3 is a cross-sectional view A-A of FIG. 2;

FIG. 4 is an exploded view of FIG. 1;

fig. 5 is a perspective view of a dc electrode in an embodiment of the present invention;

fig. 6 is a top view of the sound outlet nozzle in the embodiment of the present invention.

Reference numerals: 10. a power source; 20. a sound outlet mouth; 21. positioning a groove; 22. an annular projection; 23. a guiding cambered surface; 24. an annular groove; 30. a sound outlet network; 40. ear cap; 41. a cylindrical portion; 42. a head; 43. a stopper portion; 44. an annular neck; 45. a guide slope; 50. a DC electrode; 51. an annular portion; 52. a connecting portion; 53. a dielectric layer; 60. an FPC board.

Detailed Description

The present invention will be further described with reference to the accompanying drawings.

Because the utility model discloses the improvement part of in-ear earphone only involves the sound outlet mouth on the earlap, earmuff, goes out the institutional advancement of sound net department, then has only given the local stereogram of this part of in-ear earphone in 1 to 3, other parts and the structure of in-ear earphone with prior art, do not do and describe repeatedly.

Referring to fig. 1 to 3, the in-ear earphone of the present embodiment includes a sound outlet 20, a sound outlet net 30 and an ear cap 40, wherein the sound outlet 20 is installed at the front end of the ear shell and is communicated with the inside of the ear shell, the ear cap 40 includes a cylindrical portion 41 and a head portion 42 for being inserted into the ear, and the cylindrical portion 41 is detachably sleeved on the sound outlet 20; the sound outlet 20 is provided with a DC electrode 50 inside, the DC electrode 50 is connected with a power supply 10, the DC electrode 50 is provided with a dielectric layer 53, the dielectric layer 53 is positioned at the front end surface of the sound outlet 20, when the power supply 10 energizes the DC electrode 50, net charges are generated on the surface of the dielectric layer 53, so that electrostatic attraction is generated, and the sound outlet net 30 is attracted on the front end surface of the sound outlet 20 under the action of the electrostatic attraction. In the present embodiment, the sound outputting nozzle 20 is preferably cylindrical, accordingly, the cylindrical portion 41 is cylindrical, the sound outputting net 30 is circular sheet, the power source 10 is specifically a high voltage (low current) dc power source, and the dielectric layer 53 may be an organic material, an anodized layer or a ceramic layer, and covers the dc electrode 50.

In the in-ear earphone of this embodiment, the direct current electrode 50 is disposed in the sound outlet 20, the direct current electrode 50 is connected to the power supply 10, when the power supply 10 powers on the direct current electrode 50, a net charge is generated on the surface of the dielectric layer 53, so as to generate an electrostatic suction effect, so that the front end surface of the sound outlet 20 forms an electrostatic chuck structure, and the sound outlet 30 is adsorbed on the front end of the sound outlet 20, thereby avoiding the problems that the residual glue is difficult to clean and the sound outlet 30 is difficult to detach and replace when the sound outlet 30 is fixed by using an adhesive method in the prior art, and the sound outlet 30 can be detached by detaching the earmuff 40, so that the sound outlet 30 is convenient and quick to detach and replace, and the sound outlet 30 is strongly adsorbed by soft support, and the sound outlet 30 cannot be damaged; the convenience has realized the adjustment to earphone tone quality through changing different play sound net 30, has satisfied different customers' demand.

Further, referring to fig. 5, the dc electrode 50 includes an annular portion 51, the annular portion 51 is disposed coaxially with the sound outlet 20 and located at the front end face of the sound outlet 20, and accordingly, the dielectric layer 53 is annular and sheet-shaped and covers the front end face of the annular portion 51. Thereby, the dielectric layer 53 is close to the sound outlet screen 30, so as to enhance the electrostatic attraction effect on the sound outlet screen 30 and improve the adsorption reliability on the sound outlet screen 30.

Referring to fig. 6 in conjunction with fig. 2, in order to further improve the adsorption strength to the sound output grill 30, the dielectric layer 53 is exposed on the front end surface of the sound output nozzle 20, so that the net charge generated at the front end of the annular portion 51 is exposed on the front end surface of the sound output nozzle 20, thereby further improving the adsorption strength to the sound output grill 30, and generating a uniform electrostatic adsorption force to the circumferential edge of the sound output grill 30, so that the circumference of the sound output grill 30 can be closely adhered to the front end surface of the sound output nozzle 20.

Further, as shown in fig. 2 and 5, the dc electrode 50 further includes a connection portion 52, one end of the connection portion 52 is integrally connected to the annular portion 51, the other end is connected to the power source 10, and the connection portion 52 is an extension of the annular portion 51, so that the dc electrode 50 can be conveniently connected to the power source 10.

In this embodiment, the power source 10 is disposed on the FPC board 60 of the in-ear headphone, and the connection portion 52 of the dc electrode 50 is connected to the FPC board 60 in a snap-fit manner, so that the power source 10 circulates, the annular portion 51 of the dc electrode 50 generates a net charge on the front end surface of the sound outlet 20, and the sound outlet 30 is tightly adhered to the front end surface of the sound outlet 20 by electrostatic adsorption. The dc electrode 50 is then provided with electrostatic attraction due to the presence of residual charge, even if the power supply 10 is turned off, or due to a loss of power to the device.

In order to position the sound outlet net 30 on the front end surface of the sound outlet nozzle 20, so as to improve the production efficiency of the earphone, in this embodiment, as shown in fig. 3, 4 and 6, a stepped positioning groove 21 is formed on the front end surface of the sound outlet nozzle 20, and the sound outlet net 30 is fitted to the groove bottom surface of the positioning groove 21. Particularly, if going out sound net 30 is circular, then constant head tank 21 cross section is circular, and constant head tank 21's axial cross section is L shape in this embodiment, contains one-level step promptly, certainly, and it can contain multistage step, places on different step faces (being the tank bottom face) through selecting the adaptation, and the sound net 30 of going out of applicable not unidimensional, and then can realize the adjustment to earphone tone quality, satisfies different customers' demand.

Furthermore, the groove bottom surface of the positioning groove 21 is provided with an annular groove 24 matched with the annular part 51, and the annular part 51 is embedded into the annular groove 24, so that the annular groove 24 has a positioning effect on the annular part 51, and the direct current electrode 50 is conveniently arranged on the sound outlet nozzle 20.

As shown in fig. 3, a stopper 43 located in front of the sound output net 30 is formed on the inner wall of the cylindrical portion 41 of the ear cap 40. In this embodiment, the stopping portion 43 is an annular protrusion, and is located right in front of the edge portion of the sound outlet net 30, so as to play an auxiliary stopping role for the sound outlet net 30, and further reinforce the bonding strength between the sound outlet net 30 and the sound outlet nozzle 20.

In this embodiment, the ear cap 40 is a two-shot injection molding structure, wherein the head 42 is soft rubber to improve the wearing comfort of the ear cap 40, and the cylindrical portion 41 is hard rubber to be connected with the sound outlet 20, and can be connected by clamping.

Furthermore, an annular clamping groove 44 is formed on the inner wall of the cylindrical part 41, an annular protrusion 22 is formed on the outer wall of the sound outlet 20, and the annular protrusion 22 and the annular clamping groove 44 are matched to realize clamping.

To facilitate the tubular portion 41 to be fitted over the sound outlet 20, guide surfaces, such as the guide inclined surface 45 on the inner wall of the tubular portion 41 shown in fig. 3 and the guide arc surface 23 on the outer wall of the sound outlet 20, are formed on the inner wall of the tubular portion 41 and the outer wall of the sound outlet 20.

While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention. However, any simple modification, equivalent change and modification made to the above embodiments according to the technical substance of the present invention still belong to the protection scope of the technical solution of the present invention.

Claims

1. An in-ear earphone comprises a sound outlet nozzle, a sound outlet net and an ear sleeve, wherein the ear sleeve comprises a cylindrical part and a head part for being plugged into an ear, and the cylindrical part is detachably sleeved on the sound outlet nozzle; the method is characterized in that: the sound outlet is internally provided with a direct current electrode which is connected with a power supply and provided with a dielectric layer, the dielectric layer is positioned on the front end face of the sound outlet, and the sound outlet net is adsorbed on the front end face of the sound outlet under the action of electrostatic attraction generated by electrifying the direct current electrode by the power supply.

2. An in-ear headphone as claimed in claim 1, characterized in that: the direct current electrode comprises an annular part, the annular part and the sound outlet nozzle are coaxially arranged and located on the front end face of the sound outlet nozzle, the dielectric layer is correspondingly annular and covers the front end face of the annular part.

3. An in-ear headphone according to claim 2, characterized in that: the dielectric layer is exposed on a front end surface of the sound outlet nozzle.

4. An in-ear headphone according to claim 2, characterized in that: the direct current electrode further comprises a connecting portion, one end of the connecting portion is connected with the annular portion into a whole, and the other end of the connecting portion is connected with the power supply.

5. An in-ear headphone according to claim 2 or 3, characterized in that: the front end face of the sound outlet nozzle is provided with a stepped positioning groove, and the sound outlet net is matched and attached to the bottom surface of the positioning groove.

6. An in-ear headphone according to claim 5, characterized in that: and an annular groove matched with the annular part is arranged on the bottom surface of the positioning groove, and the annular part is embedded into the annular groove.

7. An in-ear headphone according to claim 1, characterized in that: a stopping part positioned on the front side of the sound outlet net is formed on the inner wall of the cylindrical part.

8. An in-ear headphone according to claim 1, characterized in that: the earmuff is a double-injection molding structure, the head is soft rubber, the cylindrical part is hard rubber, and the cylindrical part is clamped with the sound outlet nozzle.

9. An in-ear headphone according to claim 7, characterized in that: be formed with annular clamping groove on the tube-shape portion inner wall, be formed with annular arch on the sound outlet mouth outer wall, annular arch with the joint is realized in the annular clamping groove cooperation.

10. An in-ear headphone according to claim 1, characterized in that: the power supply is arranged on the FPC board of the in-ear earphone.