CN114125630A - In-ear earphone - Google Patents

Abstract

The invention discloses an in-ear earphone, which comprises a shell, wherein a front cavity and a rear cavity are arranged in the shell along the front-back direction, a sound guide pipe is arranged on the outer side wall of the shell and is communicated with the front cavity, and a first air guide through hole is arranged on the shell at a position corresponding to the rear cavity; the siphunculus, it is located in the casing, the one end of siphunculus communicate in the antetheca, the other end of siphunculus communicate in first air guide through-hole, the gas of antetheca is removed towards the back chamber direction through the siphunculus and is derived from the siphunculus, reduces earphone internal pressure and piles up the phenomenon, realizes the pressure release to the antetheca, has solved antetheca space undersize and has produced the problem of the air current impact to the loudspeaker diaphragm, guarantees that antetheca space can further compress, improves earphone high frequency ductility, improves sound effect, moreover, realizes the miniaturization of in-ear earphone, improves pleasing to the eye degree.

Description

In-ear earphone

Technical Field

The invention relates to the field of in-ear earphones, in particular to an in-ear earphone.

Background

In traditional in-ear earphone, in order to improve pleasing to the eye degree, laminating ear structure, often can reduce the whole volume of earphone, the space that leads to the earphone antechamber needs adaptability to reduce, but, because the antechamber space is little, after the user packs in the ear canal with in-ear earphone, the earphone produces the air current to the loudspeaker diaphragm easily and strikes when going out the sound to be so that there is unusual noise in the process of going out the sound, influence the user and use experience.

Disclosure of Invention

The present invention is directed to an in-ear earphone that solves one or more of the problems set forth in the prior art, and provides at least one of the advantages of the present invention.

The solution of the invention for solving the technical problem is as follows:

an in-ear headphone comprising: the air conditioner comprises a shell, a first air guide hole and a second air guide hole, wherein the shell is internally provided with a front cavity and a rear cavity which are arranged along the front-back direction, the outer side wall of the shell is provided with a sound guide pipe, the sound guide pipe is communicated with the front cavity, and the position of the shell corresponding to the rear cavity is provided with the first air guide hole; the through pipe is located in the shell, one end of the through pipe is communicated with the front cavity, and the other end of the through pipe is communicated with the first air guide through hole.

The technical scheme at least has the following beneficial effects: the inside cavity of siphunculus, and the both ends of siphunculus communicate the antechamber respectively, and correspond the first air guide through-hole on the casing part of back chamber position, in the use, antechamber and back chamber mutual isolation, the loudspeaker of peripheral hardware goes out the sound towards the chamber direction, the gas in the antechamber passes through the siphunculus and removes towards the back chamber direction, and derive from the siphunculus, reduce earphone internal pressure and pile up the phenomenon, realize the pressure release to the antechamber, the problem of the air current impact to the loudspeaker diaphragm has been solved antechamber space undersize and has produced, noise reduction, guarantee that antechamber space can further compress, improve earphone high frequency ductility, improve the sound effect, and, realize the miniaturization of in-ear earphone, improve pleasing to the eye degree.

As a further improvement of the technical scheme, one end of the through pipe close to the front cavity is covered with a damping net. The air current of antechamber passes the damping net earlier just can enter into the siphunculus in, enlargies antechamber damping, and the damping net through different aperture sizes is in order supplementary sound debugging moreover, can play the effect of decay high frequency or low frequency, improves out the sound effect.

As another improvement of the above technical solution, the first air guide through hole is covered with a dust screen. An air guide channel is formed between the first air guide through hole and the inner cavity of the through pipe, the dustproof net is arranged at the first air guide through hole, sand and dust or foreign matters are prevented from entering the air guide channel, meanwhile, the sound debugging can be assisted, and the sound output effect is improved.

As another improvement of the above technical solution, the housing includes a front cover and a rear cover that are capable of being fitted and assembled with each other, the front cavity is disposed in an inner cavity of the front cover, the sound guide tube is disposed on an outer side wall of the front cover, the rear cavity is disposed in an inner cavity of the rear cover, and the first air guide through hole is disposed on the rear cover. The through pipe is located in the shell, and the shell comprises a front cover and a rear cover which are matched and assembled with each other, so that the through pipe is convenient to mount.

As above-mentioned technical scheme's further improvement, the siphunculus sets up cover after, the periphery wall cladding of siphunculus has sealed the pad, sealed pad has the resilience, installation passageway has in the protecgulum, installation passageway with the ante-chamber communicates each other, the siphunculus is located in the installation passageway, the siphunculus is followed installation passageway extends, sealed external diameter that fills up is greater than installation passageway's diameter. The siphunculus is fixed a position on the backshell, the sealed wall of packing up cladding at the siphunculus, then the backshell is aimed at preceding shell and is close to each other, and the siphunculus stretches into the installation passageway and extends to preceding chamber along the installation passageway gradually, get into the installation passageway in-process at the siphunculus, the installation passageway extrudees sealed the pad, the sealed equipment pressure that utilizes preceding shell and backshell produces the decrement, realize sealed after the siphunculus installation, it causes the passageway sharing to leak gas between chamber and the backshell before avoiding, thereby produce resonant phenomenon, the sound effect is improved, make things convenient for the dismouting.

As another improvement of the technical scheme, the inner cavity of the through pipe and the first air guide through hole are relatively bent. The air guide flow channel formed between the first air guide through hole and the inner cavity of the through pipe is bent, the possibility that foreign matters such as sand and dust directly fall into the front cavity is reduced, meanwhile, the high-frequency sound attenuation effect is achieved, and the use comfort of a user is improved.

As another improvement of the above technical solution, the present invention further includes a speaker, the speaker separates the front cavity and the rear cavity from each other, a sound emitting direction of the speaker faces the front cavity, a second air guide through hole is provided on a position of the housing corresponding to the rear cavity, and the second air guide through hole is communicated with the rear cavity. The volume of in-ear earphone is less, and second air guide through-hole provides exhaust, pressure release effect for the back chamber, plays the tuning effect, improves the low frequency effect.

As a further improvement of the above technical solution, the sound guide tube is disposed at an edge side position close to the front cavity, and the sound guide tube extends in a direction away from the horn. The sound guide pipe is connected to the position of the front cavity far away from the middle part of the front cavity, so that direct output of high-frequency noise is reduced, and the sound output effect is improved.

As a further improvement of the above technical solution, a central axis of the sound guiding tube is inclined relative to a sound emitting direction of the horn. The sound wave is conveniently reflected to the ear of the user along the sound guide tube, and the sound output effect is improved.

As another improvement of the above technical solution, the present invention further includes an outer cover, the outer cover is disposed on the housing, a microphone is disposed in the outer cover, a sound receiving through hole is disposed on a side wall of the outer cover, and the rear cavity is communicated with an inner cavity of the outer cover. The microphone can record external sound through the sound receiving through hole.

Drawings

In order to more clearly illustrate the technical solution in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below. It is clear that the described figures are only some embodiments of the invention, not all embodiments, and that a person skilled in the art can also derive other designs and figures from them without inventive effort.

Fig. 1 is a cross-sectional view of an in-ear headphone according to an embodiment of the present invention from a first perspective;

fig. 2 is a partial enlarged view of a region a of the in-ear headphone of fig. 1;

fig. 3 is a structural sectional view of a second viewing angle of an in-ear headphone according to an embodiment of the invention.

In the drawings: 110-front cover, 111-front cavity, 120-rear cover, 121-rear cavity, 122-first air guide through hole, 123-second air guide through hole, 130-sound guide pipe, 140-through pipe, 150-horn, 160-microphone, 210-damping net, 220-dust-proof net, 230-sealing pad, 240-installation channel and 250-air guide channel.

Detailed Description

The conception, the specific structure, and the technical effects produced by the present invention will be clearly and completely described below in conjunction with the embodiments and the accompanying drawings to fully understand the objects, the features, and the effects of the present invention. It is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and those skilled in the art can obtain other embodiments without inventive effort based on the embodiments of the present invention, and all embodiments are within the protection scope of the present invention. In addition, all the connection relations mentioned herein do not mean that the components are directly connected, but mean that a better connection structure can be formed by adding or reducing connection accessories according to the specific implementation situation. The technical characteristics of the invention can be combined interactively on the premise of not conflicting with each other.

In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, the meaning of a plurality of means is one or more, the meaning of a plurality of means is two or more, and larger, smaller, larger, etc. are understood as excluding the number, and larger, smaller, inner, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.

Referring to fig. 1, the in-ear earphone includes a housing having a front cavity 111 and a rear cavity 121 arranged in a front-rear direction, a sound guide tube 130 is disposed on an outer side wall of the housing, the sound guide tube 130 is communicated with the front cavity 111, and a first air guide through hole 122 is disposed on a position of the housing corresponding to the rear cavity 121; and a through pipe 140 positioned in the casing, wherein one end of the through pipe 140 is communicated with the front cavity 111, and the other end of the through pipe 140 is communicated with the first air guide through hole 122. In fact, in the present embodiment, the casing includes a front cover 110 and a rear cover 120 which can be fitted and assembled with each other, the front chamber 111 is provided in the inner chamber of the front cover 110, the sound guide tube 130 is provided on the outer sidewall of the front cover 110, the rear chamber 121 is provided in the inner chamber of the rear cover 120, and the first air guide through hole 122 is provided in the rear cover 120. The through-tube 140 is located in a housing, and the housing includes a front cover 110 and a rear cover 120 that are fitted and assembled with each other, facilitating the installation of the through-tube 140. Specifically, the inside cavity of siphunculus 140, and the both ends of siphunculus 140 communicate first air guide through-hole 122 on front chamber 111 and the backshell respectively, in the use, front chamber 111 and backspace 121 mutual isolation, loudspeaker 150 of peripheral hardware goes out the sound towards front chamber 111 direction, the gas in front chamber 111 passes through siphunculus 140 and removes towards backspace 121 direction, and derive from siphunculus 140, reduce earphone internal pressure and pile up the phenomenon, realize the pressure release to front chamber 111, the problem that front chamber 111 space undersize and produce the air current impact to loudspeaker 150 diaphragm has been solved, it can further compress to guarantee front chamber 111 space, improve earphone high frequency ductility, improve out the sound effect, and, realize the miniaturization of in-ear earphone, improve pleasing to the eye degree. It should be noted that the rear cavity 121 and the front cavity 111 are isolated from each other, and the rear cavity 121 and the through pipe 140, the rear cavity 121 and the first air guide through hole 122 are isolated from each other, so as to prevent resonance caused by air leakage. In addition, the front shell and the rear shell can be assembled in a buckling mode and the like in front and enclose an inner cavity of the earphone, and actually, the front cavity 111 and the rear cavity 121 are both positioned in the inner cavity of the earphone.

Referring to fig. 2, in order to further improve the sound emitting effect, in some embodiments, one end of the through pipe 140 near the front cavity 111 is covered with a damping net 210. The air current of front chamber 111 can only enter into siphunculus 140 through damping net 210 earlier, enlargies front chamber 111 damping, moreover with the debugging of supplementary sound through damping net 210 of different aperture sizes, can play the effect of decay high frequency or low frequency, improves the sound effect. In fact, the space of the front cavity 111 is small, the acoustic resistance needs to be increased to reduce the influence on the acoustic performance when the through pipe 140 is decompressed, and the damping net 210 can be a part with a certain density hole structure, such as damping cloth or tuning paper, in practical application.

Also, in the present embodiment, the first air guide through hole 122 is covered with a dust screen 220. An air guide flow passage 250 is formed between the first air guide through hole 122 and the inner cavity of the through pipe 140, and the dust screen 220 is arranged at the first air guide through hole 122 to prevent dust and sand or foreign matters from entering the air guide flow passage 250, and meanwhile, the sound debugging can be assisted, and the sound output effect is improved.

In addition, in some embodiments, the through pipe 140 is disposed on the rear cover 120, an outer circumferential wall of the through pipe 140 is wrapped with a gasket 230, the gasket 230 has resiliency, the front cover 110 has a mounting channel 240 therein, the mounting channel 240 is in communication with the front cavity 111, the through pipe 140 is located in the mounting channel 240, the through pipe 140 extends along the mounting channel 240, and an outer diameter of the gasket 230 is greater than a diameter of the mounting channel 240. Siphunculus 140 is fixed a position on the backshell, sealed 230 cladding is at the periphery wall of siphunculus 140, then aim at preceding shell and be close to each other with the backshell, and siphunculus 140 stretches into installation passageway 240 and extends to front cavity 111 along installation passageway 240 gradually, get into installation passageway 240 in-process at siphunculus 140, installation passageway 240 extrudees sealed 230, sealed 230 utilizes the assembly pressure of front shell and backshell to produce the compression volume, realize sealed after the siphunculus 140 installation, avoid between front cavity 111 and the backshell 121 gas leakage to cause the passageway sharing, thereby produce resonant phenomenon, improve the sound effect. In fact, the shape and size of the installation channel 240 and the through tube 140 are matched with each other, but it can be known that the direct fit of the through tube 140 and the installation channel 240 is difficult to meet the sealing requirement of the in-ear earphone in the assembling process, therefore, the through tube 140 is covered with the sealing gasket 230, the sealing gasket 230 is tightly sealed and installed in the gap by the assembling pressure, and the through tube 140 can be pressed into the front cavity 111 without adopting the sealing modes such as gluing, the installation is convenient, and the disassembly is also convenient. Alternatively, the gasket 230 may be EVA foam or other elastic but non-breathable material. In addition, the through pipe 140 may be made of a hard material, which is convenient to install, and in addition, the through pipe 140 may also be made of a soft material with a rebound elasticity, so that the installation can be performed on the installation channels 240 with different shapes, thereby improving the applicability. Furthermore, the through pipe 140 may be disposed on the rear cover 120 by means of glue, so as to position the through pipe 140.

In order to reduce the entry of foreign materials into the in-ear type earphone through the first air guide through hole 122, in some embodiments, the inner cavity of the through tube 140 is bent with respect to the first air guide through hole 122. The air guide channel 250 formed between the first air guide through hole 122 and the inner cavity of the through pipe 140 is bent, so that the possibility that foreign matters such as dust and sand directly fall into the front cavity 111 is reduced, and meanwhile, the function of attenuating high-frequency sound is achieved, and the use comfort of a user is improved. In fact, the air guide flow passage 250 extending in a straight direction may be formed between the inner cavity of the through tube 140 and the first air guide through hole 122, regardless of optimization of the audio frequency, so as to facilitate the process.

In practical application, the invention further comprises a horn 150, the horn 150 separates the front cavity 111 and the rear cavity 121 from each other, the sound emitting direction of the horn 150 faces the front cavity 111, a second air guide through hole 123 is arranged on the position of the shell corresponding to the rear cavity 121, and the second air guide through hole 123 is communicated with the rear cavity 121. The volume of in-ear earphone is less, and second air guide through-hole 123 provides exhaust, pressure release effect for rear cavity 121, plays the tuning effect, improves the low frequency effect. Also, referring to fig. 3, in some embodiments, the sound guide tube 130 is disposed at a side position near the front cavity 111, and the sound guide tube 130 extends in a direction away from the horn 150. The sound guide tube 130 is connected to the front cavity 111 far from the middle of the front cavity, so that direct output of high-frequency noise is reduced, and sound output effect is improved. The central axis of the sound guide tube 130 is inclined with respect to the sound emitting direction of the horn 150. Make things convenient for the sound wave to improve out the sound effect in leading sound pipe 130 reflects user's ear, and the laminating user ear structure improves use comfort. It should be noted that the installation position of the horn 150 and the installation channel 240 do not overlap with each other, so as to avoid interference during installation.

In addition, in some embodiments, the present invention further includes an outer cover disposed on the housing, a microphone 160 is disposed in the outer cover, a sound receiving through hole is disposed on a side wall of the outer cover, and the rear cavity 121 is communicated with the inner cavity of the outer cover. The microphone 160 can record external sound through the sound receiving through hole.

While the preferred embodiments of the present invention have been described in detail, it should be understood that the invention is not limited to those precise embodiments, and that various changes and modifications may be effected therein by one skilled in the art without departing from the scope or spirit of the invention as defined in the appended claims.

Claims (10)

1. An in-ear headphone, characterized in that: the method comprises the following steps:

the air conditioner comprises a shell, wherein a front cavity (111) and a rear cavity (121) are arranged in the shell along the front-back direction, a sound guide pipe (130) is arranged on the outer side wall of the shell, the sound guide pipe (130) is communicated with the front cavity (111), and a first air guide through hole (122) is formed in the position, corresponding to the rear cavity (121), of the shell;

and the through pipe (140) is positioned in the shell, one end of the through pipe (140) is communicated with the front cavity (111), and the other end of the through pipe (140) is communicated with the first air guide through hole (122).

2. An in-ear headphone as claimed in claim 1, wherein: one end of the through pipe (140) close to the front cavity (111) is covered with a damping net (210).

3. An in-ear headphone according to claim 1 or 2, characterized in that: the first air guide through hole (122) is covered with a dust screen (220).

4. An in-ear headphone as claimed in claim 1, wherein: the casing includes protecgulum (110) and back lid (120) that can mutually support and assemble, front chamber (111) sets up the inner chamber of protecgulum (110), leading note pipe (130) set up the lateral wall of protecgulum (110), back chamber (121) set up the inner chamber of back lid (120), first air guide through-hole (122) set up on back lid (120).

5. An in-ear headphone according to claim 4, characterized in that: siphunculus (140) set up back on lid (120), the periphery wall cladding of siphunculus (140) has sealed the pad (230), sealed pad (230) have the resilience, installation passageway (240) have in protecgulum (110), installation passageway (240) with antechamber (111) communicate each other, siphunculus (140) are located in installation passageway (240), siphunculus (140) are followed installation passageway (240) extend, the external diameter of sealed pad (230) is greater than the diameter of installation passageway (240).

6. An in-ear headphone as claimed in claim 1, wherein: the inner cavity of the through pipe (140) and the first air guide through hole (122) are relatively bent.

7. An in-ear headphone as claimed in claim 1, wherein: still include loudspeaker (150), loudspeaker (150) will antechamber (111) with back chamber (121) separate each other, loudspeaker (150) play sound direction orientation antechamber (111), the casing corresponds be equipped with second air guide through-hole (123) on the position of back chamber (121), second air guide through-hole (123) with back chamber (121) communicate each other.

8. An in-ear headphone as claimed in claim 7, wherein: leading note pipe (130) set up be close to the avris position of front chamber (111), leading note pipe (130) are towards keeping away from loudspeaker (150)'s direction extends.

9. An in-ear headphone as claimed in claim 7, wherein: the central axis of the sound guide pipe (130) and the sound outlet direction of the loudspeaker (150) are inclined relatively.

10. An in-ear headphone as claimed in claim 1, wherein: still include the enclosing cover, the enclosing cover sets up on the casing, be equipped with microphone (160) in the enclosing cover, the lateral wall of enclosing cover is equipped with the radio reception through-hole.

Images