CN213403438U

CN213403438U - Double-layer sound cavity structure for tuning earphone

Info

Publication number: CN213403438U
Application number: CN202022401466.6U
Authority: CN
Inventors: 严林波
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-10-26
Filing date: 2020-10-26
Publication date: 2021-06-08
Anticipated expiration: 2030-10-26

Abstract

The utility model relates to a double-deck sound cavity structure of earphone tuning, including earphone shell body, the interior casing of earphone and loudspeaker monomer, the interior casing of earphone install in the inner chamber of earphone shell body, loudspeaker monomer install in the cavity of the interior casing of earphone, loudspeaker monomer with the interior casing of earphone forms the earphone front cavity, the outer wall of earphone shell is equipped with cell type structure, the earphone shell body with the interior casing of earphone forms annular vice chamber, the interior casing of earphone is equipped with the intercommunication the through-hole in annular vice chamber, the earphone shell body is equipped with the intercommunication the outer through-hole in annular vice chamber. According to the double-layer sound cavity structure for tuning the earphone, the sound overflow path is prolonged, the sound definition is improved, and the head-in effect is avoided; meanwhile, the problem of air pressure in the auditory canal and air tightness difference during wearing is solved, and the practicability is improved.

Description

Double-layer sound cavity structure for tuning earphone

Technical Field

The utility model relates to an earphone equipment technical field especially relates to a double-deck sound cavity structure of earphone tuning.

Background

With the continuous progress of science and technology, electronic products with music playing function are becoming more popular, and earphones have become an essential accessory for electronic products in order to make users listen to the sound emitted by electronic products without external interference or interference to other people. Meanwhile, in order to improve the auditory sense of the earphones to be more consistent with the physiological and psychological characteristics of people, the sound effect of the earphones needs to be adjusted, and therefore, tuning earphones are provided.

However, the existing earphone mostly adopts a single tone cavity structure, and fine tuning sound concentration overflows through a tuning net, and the structure has a short sound reflection path, so that sound is stuffy, and a head-in effect is easy to generate; when the ear canal is worn, air pressure in the ear canal and the atmosphere generate tightness difference, eardrum is easy to damage after the ear canal is worn for a long time, and fatigue is easy to cause.

SUMMERY OF THE UTILITY MODEL

Based on the above, it is necessary to provide a double-layer sound cavity structure for tuning the earphone aiming at the technical problem that the existing earphone mostly adopts a single-sound cavity structure, and through the double-layer sound cavity structure, the sound overflow path is prolonged, the sound definition is improved, and the effect in the head is avoided; meanwhile, the problem of air pressure in the auditory canal and air tightness difference during wearing is solved, and the practicability is improved.

In order to realize the utility model discloses a purpose, the utility model discloses a following technical scheme:

double-deck sound cavity structure of earphone tuning, including earphone shell body, the interior casing of earphone and loudspeaker monomer, the interior casing of earphone install in the inner chamber of earphone shell body, loudspeaker monomer install in the cavity of the interior casing of earphone, loudspeaker monomer with the interior casing of earphone forms the earphone front chamber, earphone shell body inner wall is equipped with cell type structure, the earphone shell body with the interior casing of earphone forms annular vice chamber, the interior casing of earphone is equipped with the intercommunication the through-hole in annular vice chamber, the earphone shell body is equipped with the intercommunication the outer through-hole in annular vice chamber.

The utility model discloses a double-deck sound chamber structure of earphone tuning, through double-deck sound chamber structure, the sound spills over the route, improves the sound definition, avoids the effect in the head; meanwhile, the problem of air pressure in the auditory canal and air tightness difference during wearing is solved, and the practicability is improved.

In one embodiment, the outer through hole of the earphone outer shell is positioned on the side far away from the through hole of the earphone inner shell.

In one embodiment, the earphone inner shell comprises a fixing part and an extending part, the fixing part is installed at the bottom of the groove-shaped structure, the extending part is connected to the outer wall of the opening of the earphone outer shell, and a gap exists between the top end of the fixing part and the groove-shaped structure to form the annular auxiliary cavity.

In one embodiment, the earphone further comprises an earphone plug portion, a clamping block is arranged on the earphone plug portion, a clamping groove is formed in the extending portion, and the clamping block is mounted in the clamping groove.

In one embodiment, the earplug portion comprises a base block and a connecting block, the base block is mounted on the clamping groove, and the connecting block is made of elastic material with radian.

In one embodiment, the earphone outer shell and the earphone inner shell are integrally formed.

Drawings

Fig. 1 is a schematic view of a double-layer sound cavity structure for tuning a headphone according to a preferred embodiment of the present invention;

FIG. 2 is a cross-sectional view A-A of the dual-cavity structure of the earphone of FIG. 1 tuned;

fig. 3 is a schematic diagram of the use of the dual-cavity structure of the earphone of fig. 1 for tuning.

The reference numbers illustrate:

100. a double-layer sound cavity structure for tuning the earphone;

10. the earphone comprises an earphone outer shell, 11 outer through holes, 20 an earphone inner shell, 21 through holes, 30 a loudspeaker single body, 40 an earphone front cavity, 50 an annular auxiliary cavity, 60 an earplug part, 70 a human body ear part, 80 and an eardrum.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully below. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" 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.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

Please refer to fig. 1 to 3, which are the present invention, a dual-layer sound cavity structure 100 for tuning an earphone according to a preferred embodiment of the present invention includes an earphone housing 10, an earphone housing 20 and a speaker unit 30, the earphone housing 20 is installed in an inner cavity of the earphone housing 10, the speaker unit 30 is installed in a cavity of the earphone housing 20, the speaker unit 30 and the earphone housing 20 form an earphone front cavity 40, an inner wall of the earphone housing 10 is provided with a groove structure, the earphone housing 10 and the earphone housing 20 form an annular auxiliary cavity 50, the earphone housing 20 is provided with a through hole 21 for communicating the annular auxiliary cavity, and the earphone housing 10 is provided with an outer through hole 11 for communicating the annular auxiliary cavity. After loudspeaker unit 30 carries out the vocal operation, the sound that loudspeaker unit 30 produced can get into earphone antetheca 40, then through the through-hole 21 of earphone inner casing body gets into to the vice chamber 50 of annular, sound after that overflows the passageway and flows to the outer through-hole 11 of earphone outer casing body 10 through the vice chamber 50 of annular, overflow to outside atmosphere via outer through-hole 11 at last, through the vice chamber 50 of earphone antetheca 40 and annular in order to realize the setting of double-deck sound cavity structure, can effectively prolong the free route that overflows of loudspeaker, the strengthening effect has been played the sound tuning, can obtain natural sound audio, avoid effect in the head. Meanwhile, the air in the ear is finally communicated with the atmosphere through the double-layer sound cavity structure, so that the air tightness difference in the use process is avoided, and the damage to the eardrum caused by the sealing pressure is avoided in the use process of the earphone.

Further, the outer through hole 11 of the earphone outer shell is located at one side of the through hole 21 far away from the earphone inner shell, so that after sound generated by the speaker unit 30 enters the annular auxiliary cavity, overflow distances with the same distance are formed on auxiliary cavity channels at the left end and the right end of the annular auxiliary cavity 50, and overflow balance is ensured. Meanwhile, the overflow path of the horn body can be effectively prolonged by the through hole of the outer through hole far away from the earphone inner shell.

Further, the earphone inner housing 20 includes a fixing portion installed at the bottom of the groove structure and an extending portion connected to the outer wall of the opening of the earphone outer housing, so that the earphone inner housing is installed and processed through the fixing portion and the extending portion. A gap exists between the top end of the fixing part and the groove-shaped structure to form an annular auxiliary cavity 50; in the present embodiment, the annular auxiliary chamber 50 is provided in a ring shape; in other embodiments, the annular auxiliary chamber may be configured in other shapes and structures to ensure that the sound emitted from the speaker unit 30 can effectively escape to the outside air.

Further, an ear plug part 60 is included to realize wearing use of the human ear 70, so that the sound generated from the speaker unit is transmitted to the eardrum 80 of the human body. Specifically, earplug portion 60 is equipped with the fixture block, and the extension is equipped with the draw-in groove, and the fixture block is installed in the draw-in groove, through removable processing of joint mode in order to have realized, and the installation of being convenient for is dismantled, has improved convenience and maneuverability.

Further, the earplug portion 60 includes a base block and a connecting block, the base block is installed in the clamping groove, the connecting block is made of an elastic material with a radian, the elastic material increases the wearing comfort of the ear of the human body, and certain elasticity can be generated to enable the earplug portion to be stably worn on the ear of the human body.

Further, the earphone outer shell 10 and the earphone inner shell 20 are arranged in an integrally formed structure, so that the overall firmness of the earphone outer shell and the earphone inner shell is enhanced, production raw materials are saved, and the earphone outer shell and the earphone inner shell have the advantages of durability, low manufacturing cost and the like. Meanwhile, the earphone tuning double-layer sound cavity structure 100 is suitable for in-ear and semi-in-ear earphones.

The utility model discloses a double-deck sound chamber structure of earphone tuning, through double-deck sound chamber structure, the sound spills over the route, improves the sound definition, avoids the effect in the head; meanwhile, the problem of air pressure in the auditory canal and air tightness difference during wearing is solved, and the ear canal sealing device has the advantages of being simple in structure and convenient to produce and use.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. Double-deck sound cavity structure of earphone tuning, its characterized in that: including earphone shell body, earphone interior casing and loudspeaker monomer, the earphone interior casing install in the inner chamber of earphone shell body, the loudspeaker monomer install in the cavity of earphone interior casing, the loudspeaker monomer with the casing forms the earphone front chamber in the earphone, earphone shell body inner wall is equipped with the cell type structure, the earphone shell body with the earphone interior casing forms annular vice chamber, the casing is equipped with the intercommunication in the earphone interior casing the through-hole in annular vice chamber, the earphone shell body is equipped with the intercommunication the outer through-hole in annular vice chamber.

2. The earphone tuned dual-layer sound cavity structure of claim 1, wherein: the outer through hole of the earphone outer shell is located on one side of the through hole far away from the earphone inner shell.

3. The earphone tuned dual-layer sound cavity structure of claim 1, wherein: the earphone inner shell comprises a fixing part and an extending part, the fixing part is installed at the bottom of the groove-shaped structure, the extending part is connected to the outer wall of the opening of the earphone outer shell, and a gap exists between the top end of the fixing part and the groove-shaped structure to form the annular auxiliary cavity.

4. The earphone tuned dual-layer sound cavity structure of claim 3, wherein: still include earplug portion, earplug portion is equipped with the fixture block, the extension is equipped with the draw-in groove, the fixture block install in the draw-in groove.

5. The earphone tuned dual-layer sound cavity structure of claim 4, wherein: the earplug part comprises a base block and a connecting block, the base block is arranged in the clamping groove, and the connecting block is made of elastic materials with radian.

6. The earphone tuned dual-layer sound cavity structure of claim 1, wherein: the earphone shell body reaches the casing sets up for integrated into one piece structure in the earphone.