CN212936149U

CN212936149U - In-ear earphone capable of adjusting length of front cavity of loudspeaker

Info

Publication number: CN212936149U
Application number: CN202021518436.7U
Authority: CN
Inventors: 蔡玲; 杨东瑞; 蔡婷
Original assignee: Shenzhen Yinger Electronics Co ltd
Current assignee: Shenzhen Yinger Electronics Co ltd
Priority date: 2020-07-28
Filing date: 2020-07-28
Publication date: 2021-04-09
Anticipated expiration: 2030-07-28

Abstract

The utility model discloses an in-ear earphone of adjustable earphone loudspeaker antechamber length, include: earphone body and pleasant formula earcap, the front end of earphone body is provided with the loudspeaker installation cavity, be provided with loudspeaker in the loudspeaker installation cavity, the front end of loudspeaker installation cavity is located the front side of loudspeaker and is the loudspeaker antechamber, the pleasant formula earcap is mobilizable set up in the loudspeaker antechamber, adjust the length in loudspeaker antechamber through adjusting the position of pleasant formula earcap in loudspeaker antechamber to can adjust the length in loudspeaker antechamber according to user's demand to high frequency tone quality, satisfy the different tone quality requirements of different music.

Description

In-ear earphone capable of adjusting length of front cavity of loudspeaker

Technical Field

The utility model relates to an electronic product, in particular to in-ear earphone of adjustable loudspeaker antechamber length.

Background

With the continuous improvement of living standard, listening to music becomes a way for relieving mood and reducing pressure of people during working leisure. Different music has different style characteristics, some music BASS, low frequency characteristics such as drum are outstanding, some music is outstanding medium-high frequency's sound, and the effect that its sound of the earphone of different brand types shows on the market has different side key points, the heavy low frequency effect of earphone that has, the heavy medium-high frequency effect of earphone that has, sound is more subjective experience impression in addition, consequently same section earphone is difficult to satisfy different music types and different customers' demand on the detail processing of sound, in view of this, the expression effect that has appeared having the sound mouth ante-chamber through changing different materials, length and design in the market promotes the earphone sound, also have the effect sealed with the duct of promotion through changing different materials earcaps, reach the expression effect that promotes the earphone sound.

In order to meet the requirement of consumers on higher tone quality of high-frequency-band details in earphones and avoid the complicated action of replacing a front cavity sound mouth, the existing ear cap and front cavity design technology needs to be improved.

SUMMERY OF THE UTILITY MODEL

In view of the above-mentioned deficiencies of the prior art, an object of the present invention is to provide an in-ear earphone with adjustable length of the front cavity of the speaker, which can adjust the length of the front sound cavity of the speaker.

For solving the technical problem, the utility model discloses following technical scheme has been taken:

an in-ear headphone with an adjustable horn front cavity length, comprising: earphone body and pleasant formula earcap, the front end of earphone body is provided with the loudspeaker installation cavity, be provided with loudspeaker in the loudspeaker installation cavity, the front side that the front end of loudspeaker installation cavity is located loudspeaker is the loudspeaker antechamber, the pleasant formula earcap mobilizable set up in the loudspeaker antechamber, adjust the length in loudspeaker antechamber through adjusting the position of pleasant formula earcap in loudspeaker antechamber.

As the improvement of the utility model, the pleasant formula earcap includes stereoplasm installation department and soft earcap, all is provided with the through-hole that supplies sound to spread on stereoplasm installation department and the soft earcap.

As an improvement of the utility model, the middle part of the soft earcap is gradually thinned from the thickness to the front end, and the soft earcap is turned over outwards to be turned over and is matched with the external auditory canal of the human body.

As a further improvement of the utility model, the middle part of the soft earcap is gradually thinned from the thickness to the front end.

As a further improvement, the boot of the soft ear cap is arranged on the hard mounting portion.

As a further improvement, the hard mounting portion is integrally formed with the soft earcap.

As a further improvement, the root of the soft ear cap is in interference fit with the inner wall of the front cavity of the horn.

As a further improvement, the inner wall of the horn front cavity is provided with an internal thread, the root of the soft earcap or the hard installation part is provided with an external thread matched with the internal thread.

As a further improvement, the inner wall of the horn front cavity is provided with a plurality of clamping grooves, the root of the soft ear cap or the hard installation part is provided with a convex part matched with the clamping grooves.

Compared with the prior art, the utility model provides an in-ear earphone of adjustable loudspeaker antechamber length, include: earphone body and pleasant formula earcap, the front end of earphone body is provided with the loudspeaker installation cavity, be provided with loudspeaker in the loudspeaker installation cavity, the front side that the front end of loudspeaker installation cavity is located loudspeaker is the loudspeaker antechamber, the pleasant formula earcap is mobilizable set up in the loudspeaker antechamber, adjust the length in loudspeaker antechamber through adjusting the position of pleasant formula earcap in loudspeaker antechamber to can adjust the length in loudspeaker antechamber according to user's demand, satisfy the different tone quality requirements of different music.

Drawings

Fig. 1 is a schematic view of a partial cross-sectional structure of an in-ear earphone with adjustable length of a front cavity of a speaker.

Fig. 2 is a schematic cross-sectional structure view of an in-ear earcap in the in-ear earphone with adjustable length of the front cavity of the speaker.

Fig. 3 is a schematic diagram of the moving state of the in-ear earcap in the in-ear earphone with the adjustable length of the front cavity of the speaker.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

It will be understood that when an element is referred to as being "on," "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or intervening elements may also be present.

It should be noted that the terms of orientation such as left, right, up and down in the embodiments of the present invention are only relative to each other or are referred to the normal use state of the product, and should not be considered as limiting.

The utility model provides an in-ear earphone of adjustable loudspeaker antechamber length, mainly used in-ear bluetooth headset, perhaps other in-ear earphones. The middle-high frequency part of earphone is mainly influenced to the preceding sound chamber of earphone, and along with the volumetric increase in preceding sound chamber, the high frequency wave peak can constantly be moved left, and the high frequency resonance point can be more and more low, and the logarithmic value that the high frequency resonance point changes is almost linear relation with the volumetric increment in preceding sound chamber, the utility model discloses can adjust the length in sound chamber before the loudspeaker according to user's centering high frequency tone quality's demand, satisfy the different tone quality requirements of different music.

Please refer to fig. 1 and fig. 2, which includes: earphone body 10 and in-ear earcap 20, the front end of earphone body 10 is provided with loudspeaker installation cavity 102, be provided with loudspeaker 101 in the loudspeaker installation cavity 102, the front side that the front end of loudspeaker installation cavity 102 is located loudspeaker 101 is loudspeaker front cavity 103, in-ear earcap 20 mobilizable set up in loudspeaker front cavity 103. The sound chamber is gone out the sound for loudspeaker and inclines to the cavity between the earphone play sound hole outer end before the loudspeaker of earphone, the utility model discloses an adjust the length in sound chamber before the loudspeaker is adjusted to the position of chamber 103 before the loudspeaker to the well high frequency channel effect that the loudspeaker audio performance was shown can be adjusted according to user's demand, satisfies the different tone quality requirements of different music.

With reference to fig. 1 and fig. 2, the in-ear earcap 20 includes a hard mounting portion 202 and a soft earcap 203, through holes 201 for transmitting sound are disposed on both the hard mounting portion 202 and the soft earcap 203, the sound emitted from the speaker 101 is transmitted to ears of a human body through the through holes 201, and the distance from the speaker to the outer end of the through holes 201 is controlled to adjust the length of a front sound cavity of the speaker, so as to adjust the high-frequency tone quality of the earphone.

With reference to fig. 1 and fig. 2, the middle portion of the soft earcap 203 gradually becomes thinner from the front end to the middle portion, and the soft earcap 203 is folded outward to fit the external auditory canal of the human body. In this embodiment, the soft ear cap 203 is a soft silica gel ear cap or a soft TPU (Thermoplastic polyurethane elastomer rubber) ear cap, the wall thickness of the vertical part of the soft ear cap 203 can be smaller than or equal to that of the front cavity section of the earphone, when the earphone is worn in the ear, the vertical part is sealed by the extrusion between the soft ear cap 203 and the external auditory canal, the through hole 201 is prevented from being sealed by the extrusion between the soft ear cap and the external auditory canal, the folded part of the soft ear cap 203 is matched with the external auditory canal of the human body, and the wearing comfort of the earphone is improved.

The hard mounting portion 202 and the soft earcap 203 are integrally formed, so that the hard mounting portion 202 and the soft earcap 203 are reliably connected. Of course, the hard mounting portion 202 and the soft earcap 203 may also adopt other mounting manners, such as tight fitting, ring reverse, point reverse, segment reverse, etc., and the present invention is not limited thereto.

Referring to fig. 1 and fig. 2, the root of the soft ear cap 203 is in interference fit with the inner wall of the horn front cavity 103, so that the in-ear cap 20 can be moved and positioned at any position in the horn front cavity 103 by the interference fit, and the adjustment manner is simple.

The inner wall of loudspeaker antechamber 103 is provided with the internal thread, the root of soft earcap 203 or stereoplasm installation department 202 be provided with interior screw-thread fit's external screw thread, the accessible revolves the mode soon and makes pleasant formula earcap 20 can remove in loudspeaker antechamber 103 optional position, and the difficult removal in back of position adjustment has moreover improved the reliability when adjusting, and its regulative mode is simple and convenient.

The inner wall of the horn front cavity 103 is provided with a plurality of clamping grooves, and the root of the soft ear cap 203 or the hard mounting part 202 is provided with a bulge matched with the clamping grooves. Because the hard mounting part 202 has a little deflection, the hard mounting part 202 is not easy to move after being well adjusted in a mode of matching with the clamping groove, and the reliability during adjustment is improved.

For better understanding of the present invention, the following describes the adjustment manner of the in-ear cap 20 by the interference fit between the root of the soft ear cap 203 and the inner wall of the front speaker cavity 103, with reference to fig. 3:

as shown in fig. 3, the initial mode of the in-ear earphone is the position shown in (1) in fig. 3, at this time, the total length of the speaker sound cavity is a, when the user needs to adjust the length of the front sound cavity of the speaker, the in-ear cap 20 can be pulled out for a section to the position shown in (2) in fig. 3, at this time, the total length of the speaker sound cavity is B, through comparison of (1) and (2), it can be known that B is longer than a, if the sound quality effect of the length of B cannot meet the user's requirement, the in-ear cap 20 can be pulled out continuously to the position shown in (3) in fig. 3, through comparison of the three graphs in fig. 3, C is longer than B and is longer than a, when the length of the speaker sound cavity needs to be shortened, the in-ear cap 20 can be pressed to move toward the speaker 101 side, so as to shorten the length of the speaker sound cavity, thereby achieving automatic adjustment according to the user's requirement.

To sum up, the utility model discloses a set up adjustable loudspeaker installation cavity, make partly cavity as loudspeaker antechamber to make the length that the sound chamber before loudspeaker was adjusted in the free removal of pleasant formula earcap can be in loudspeaker antechamber, thereby can adjust the length in sound chamber before loudspeaker according to user's demand, satisfy the different tone quality requirements of different music. The utility model discloses an operation mode is simple, can adjust sound chamber length in real time according to user's needs completely, and maneuverability is good.

It should be understood that equivalent alterations and modifications can be made by those skilled in the art according to the technical solution of the present invention and the inventive concept thereof, and all such alterations and modifications should fall within the scope of the appended claims.

Claims

1. An in-ear headphone of adjustable loudspeaker antechamber length, comprising: earphone body and pleasant formula earcap, the front end of earphone body is provided with the loudspeaker installation cavity, be provided with loudspeaker in the loudspeaker installation cavity, the front side that the front end of loudspeaker installation cavity is located loudspeaker is the loudspeaker antechamber, the pleasant formula earcap mobilizable set up in the loudspeaker antechamber, adjust the length in loudspeaker antechamber through adjusting the position of pleasant formula earcap in loudspeaker antechamber.

2. An in-ear earphone with adjustable length of front cavity of speaker as claimed in claim 1, wherein the in-ear cap comprises a hard mounting portion and a soft ear cap, and both the hard mounting portion and the soft ear cap are provided with through holes for sound to come out.

3. The adjustable horn front chamber length in-ear headphone of claim 2, wherein the soft ear cap tapers from thicker at the middle to the front end.

4. The in-ear headphone of claim 3 wherein the boot of the soft earcap is mounted on the rigid mounting portion.

5. An in-ear headphone with adjustable loudspeaker ante-chamber length as defined in claim 3 wherein the hard mounting portion is integrally formed with the soft ear cap.

6. An in-ear headphone with adjustable loudspeaker ante-chamber length as claimed in any one of claims 2-5 wherein the root of the soft ear cap is in interference fit with the inner wall of the loudspeaker ante-chamber.

7. An in-ear earphone according to any one of claims 2 to 5, wherein the inner wall of the horn front cavity is provided with an internal thread, and the root of the soft ear cap or the hard mounting part is provided with an external thread matching with the internal thread.

8. An in-ear earphone with adjustable length of the front cavity of the speaker according to any one of claims 2-5, wherein the inner wall of the front cavity of the speaker is provided with a plurality of slots, and the root of the soft ear cap or the hard mounting part is provided with a protrusion matched with the slots.