CN218473335U - Earphone sound production module and headphone - Google Patents

Abstract

The utility model discloses an earphone sound production module and headphone, headphone especially relates to an intelligent earphone, earphone sound production module, include: a rear housing; the loudspeaker assembly is arranged in the rear shell, and the rear shell defines a rear cavity chamber positioned at the rear side of the loudspeaker assembly; the ear cap component is connected with the rear shell and forms a front cavity positioned on the front side of the loudspeaker component; wherein, the backshell is equipped with first ventilation hole, and the loudspeaker subassembly is equipped with the intercommunicating pore with preceding cavity intercommunication, and the inside of back cavity is provided with the first air ducting that is used for first ventilation hole and intercommunicating pore intercommunication, and the one end and the backshell of first air ducting are sealed to be cooperated, and the other end and loudspeaker subassembly are sealed to be cooperated. The utility model discloses an among the earphone sound production module, the air in the back cavity can not exchange with the gas in the first air guide, so, the pressure in the back cavity can not exert an influence to the pressure release of preceding cavity, and the reliability is higher.

Description

Earphone sound production module and headphone

Technical Field

The utility model relates to an earphone technical field, in particular to earphone sound production module and headphone.

Background

The earphone is a pair of conversion units which receive the electric signals from the media player or receiver and convert them into audible sound waves by using a speaker near the ear.

There are various types of earphones, including headphones, in-ear earphones, bone conduction earphones, and the like. When a user wears the headset, the ear cap assembly of the headset surrounds the ears of the user, and the ears of the user are placed in the front cavity of the headset, so that the anti-interference effect is achieved. However, when the user's ear is in an environment sealed by the earmuff assembly, the air pressure in the front chamber may be uneven, which may affect the wearing comfort of the user.

In the related art, in order to realize the pressure relief of the front cavity of the earphone, a through hole used for communicating the front cavity with the rear cavity is formed in the earphone, and a vent hole communicated with the rear cavity is formed in the rear shell of the earphone.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides an earphone sound production module, the atmospheric pressure that can reduce the back cavity is higher to the influence of the pressure release effect of preceding cavity, reliability.

The utility model discloses still provide a headphone with above-mentioned earphone sound production module.

According to the utility model discloses earphone sound production module of first aspect embodiment, include: a rear housing; the horn assembly is arranged in the rear shell, and the rear shell defines a rear cavity at the rear side of the horn assembly; the earcap component is connected with the rear shell and is provided with a front cavity positioned on the front side of the loudspeaker component; the rear shell is provided with a first ventilation hole, the horn assembly is provided with a communication hole communicated with the front cavity, the inside of the rear cavity is provided with a first air guide piece communicated with the first ventilation hole, one end of the first air guide piece is in sealing fit with the rear shell, and the other end of the first air guide piece is in sealing fit with the horn assembly.

According to the utility model discloses earphone sound production module has following beneficial effect at least:

the utility model discloses an earphone sound production module is when using, and the earmuff subassembly is used for the cover on user's ear, and the loudspeaker subassembly can the sound production. Wherein, earmuff subassembly cover is behind user's ear, and user's ear is located the front chamber, so, can reduce the interference of external sound to the sound that loudspeaker subassembly sent. And, the utility model discloses an among the earphone sound production module, pressure in the front chamber can let out in proper order through intercommunicating pore, first air ducting and first ventilation hole, so, can avoid user's ear because of the too big discomfort that arouses of pressure in the front chamber. And, the utility model discloses an among the earphone sound production module, because the one end and the sealed cooperation of backshell of first air guide, the other end and the sealed cooperation of loudspeaker subassembly, the inner space of back cavity and first air guide can be separated, and the air in the back cavity can not exchange with the gas in the first air guide, so, the pressure in the back cavity can not exert an influence to the pressure release of preceding cavity, and the reliability is higher.

According to the utility model discloses a some embodiments, the one end of first air guide with the inner wall of backshell offsets, the other end with loudspeaker component keeps away from one side of preceding cavity offsets.

According to some embodiments of the present invention, a first air guiding channel is formed between one end of the first air guiding member and the inner wall of the rear housing, or the first air guiding member is provided with the first air guiding channel;

wherein, first wind-guiding piece is equipped with second wind-guiding passageway, first wind-guiding passageway one end with first ventilation hole intercommunication, first wind-guiding passageway the other end with the one end intercommunication of second wind-guiding passageway, the other end of second wind-guiding passageway with the intercommunicating pore intercommunication, second wind-guiding passageway with first wind-guiding passageway is the contained angle setting.

According to the utility model discloses a some embodiments, the inner wall of backshell is equipped with first channel, the one end of first wind guide is equipped with the second channel, first channel with the cooperation of second channel forms first wind-guiding passageway.

According to the utility model discloses a some embodiments, be equipped with on the inner wall of backshell and center on first arch around the first channel, first arch encloses to establish and forms first constant head tank, the one end of first air guide is inserted and is located first constant head tank.

According to the utility model discloses a some embodiments, the axial of first ventilation hole with the extending direction of first wind-guiding passageway is the contained angle setting.

According to some embodiments of the utility model, the backshell still is equipped with the second through-air hole, the inside of back cavity still is provided with the second air guide, the second air guide with be formed with the third wind-guiding passageway between the inner wall of backshell, perhaps the second air guide is equipped with the third wind-guiding passageway, the one end of third wind-guiding passageway with second through-air hole intercommunication, the other end with back cavity intercommunication.

According to the utility model discloses a some embodiments, the axial of second venthole with third wind-guiding passageway's extending direction is the contained angle setting.

According to some embodiments of the present invention, the inner wall of the rear casing is provided with a third channel, the second air guiding member is provided with a fourth channel, and the third channel and the fourth channel cooperate to form the third air guiding passage;

and a second protrusion surrounding the periphery of the third channel is arranged on the inner wall of the rear shell, the second protrusion surrounds to form a second positioning groove, and the second air guide member is inserted in the second positioning groove.

According to the utility model discloses headphone of second aspect embodiment, include as above earphone sound production module.

According to the utility model discloses headphone has following beneficial effect at least:

the utility model discloses a headphone is when using, and the earmuff subassembly is used for the cover on user's ear, and the loudspeaker subassembly can the sound production. Wherein, earmuff subassembly cover is behind user's ear, and user's ear is located the front chamber, so, can reduce the interference of external sound to the sound that loudspeaker subassembly sent. And, the utility model discloses an among the earphone sound production module, pressure in the front chamber can let out in proper order through intercommunicating pore, first air ducting and first ventilation hole, so, can avoid user's ear because of the too big discomfort that arouses of pressure in the front chamber. And, the utility model discloses an among the earphone sound production module, because the one end and the sealed cooperation of backshell of first air guide, the other end and the sealed cooperation of loudspeaker subassembly, the inner space of back cavity and first air guide can be separated, and the air in the back cavity can not exchange with the gas in the first air guide, so, the pressure in the back cavity can not exert an influence to the pressure release of preceding cavity, and the reliability is higher.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The invention will be further described with reference to the following drawings and examples, in which:

fig. 1 is a schematic structural diagram of an earphone sound generating module according to an embodiment of the present invention;

fig. 2 is a schematic cross-sectional structural diagram of an earphone sound module according to an embodiment of the present invention;

fig. 3 is an exploded schematic view of an earphone sound module according to an embodiment of the present invention;

fig. 4 is an exploded schematic view of the mounting frame and the first air guide according to an embodiment of the present invention;

fig. 5 is a schematic structural view of a rear housing, a first wind guide, and a second wind guide according to an embodiment of the present invention;

FIG. 6 is an enlarged view taken at A in FIG. 5;

fig. 7 is a schematic diagram of a partial cross-sectional structure of an earphone sound module according to an embodiment of the present invention;

fig. 8 is a schematic diagram of a partial cross-sectional structure of an earphone sound module according to an embodiment of the present invention;

fig. 9 is a schematic partial structure diagram of a rear housing according to an embodiment of the present invention.

Reference numerals:

10. an earphone sounding module;

100. a rear housing; 101. a rear chamber; 102. a first vent hole; 103. a first channel; 104. a second vent hole; 105. a third channel; 110. a first protrusion; 120. a second protrusion;

200. a horn assembly; 210. a mounting frame; 211. a communicating hole; 220. a horn;

300. an ear muff assembly; 301. a front chamber;

400. a first air guide member; 410. a first air guide channel; 401. a second channel; 402. a second air guide channel;

500. a second wind guide member; 501. a fourth channel; 510. and a third air guide channel.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1 to 3, an earphone sound module 10 according to an embodiment of the present invention includes a rear housing 100, a speaker assembly 200, and an ear cap assembly 300.

As shown in fig. 2, the horn assembly 200 is disposed inside the rear case 100, and the rear case 100 defines a rear chamber 101 located at the rear side of the horn assembly 200; an ear cap assembly 300 is connected to the rear housing 100, and the ear cap assembly 300 is formed with a front chamber 301 located at the front side of the horn assembly 200.

As shown in fig. 4 to 7, the rear case 100 is provided with a first vent hole 102, the horn assembly 200 is provided with a communication hole 211 communicating with the front chamber 301, the rear chamber 101 is internally provided with a first air guide 400 for communicating the first vent hole 102 with the communication hole 211, one end of the first air guide 400 is in sealing engagement with the rear case 100, and the other end is in sealing engagement with the horn assembly 200.

It should be noted that one end of the first air guide 400 is in sealing engagement with the rear case 100, and the other end of the first air guide 400 is in sealing engagement with the horn assembly 200, so that the rear chamber 101 is separated from the inner space of the first air guide 400, and air in the rear chamber 101 and air in the first air guide 400 are not exchanged.

Specifically, one end of the first wind guide 400 abuts against the inner wall of the rear housing 100, and the other end abuts against one side of the horn assembly 200 away from the front chamber 301. In this way, the rear chamber 101 and the internal space of the first air guide 400 are separated, and air in the rear chamber 101 and gas in the first air guide 400 are not exchanged.

With reference to fig. 2 and 4, further, the horn assembly 200 includes a mounting frame 210 and a horn 220 disposed on the mounting frame 210, the communication hole 211 is opened on the mounting frame 210, and the other end of the first wind guide 400 abuts against the mounting frame 210.

The utility model discloses an earphone sound production module is when using, and earmuff subassembly 300 is used for the cover on user's ear, and loudspeaker subassembly 200 can the sound production. Wherein, the ear cap assembly 300 is fitted behind the ear of the user, and the ear of the user is located in the front chamber 301, so that the interference of the external sound to the sound emitted by the speaker assembly 200 can be reduced. Furthermore, the utility model discloses an in the earphone sound production module, the pressure in front chamber 301 can let out in proper order through intercommunicating pore 211, first air guide 400 and first ventilation hole 102, so, can avoid user's ear because of the too big discomfort that arouses of the pressure in front chamber 301. And, the utility model discloses an among the earphone sound production module, because the one end of first air guide 400 and the sealed cooperation of backshell 100, the other end and the sealed cooperation of loudspeaker subassembly 200, back cavity 101 can be separated with the inner space of first air guide 400, and the air in the back cavity 101 can not exchange with the gas in the first air guide 400, so, the pressure in the back cavity 101 can not exert an influence to the pressure release of preceding cavity 301, and the reliability is higher.

As shown in fig. 7, in one embodiment, a first air guiding channel 410 is formed between one end of the first air guiding member 400 and the inner wall of the rear case 100, the first air guiding member 400 is provided with a second air guiding channel 402, one end of the first air guiding channel 410 is communicated with the first vent hole 102, the other end of the first air guiding channel 410 is communicated with one end of the second air guiding channel 402, the other end of the second air guiding channel 402 is communicated with the communicating hole 211, and the second air guiding channel 402 and the first air guiding channel 410 are arranged at an included angle.

It can be understood that when the front chamber 301 is depressurized, the air in the front chamber 301 is discharged through the communication hole 211, the second air guiding channel 402, the first air guiding channel 410, and the first vent hole 102 in sequence. In this embodiment, the second air guiding channel 402 and the first air guiding channel 410 are disposed at an included angle, so that the length of the first pressure releasing channel formed by the communication hole 211, the second air guiding channel 402, the first air guiding channel 410 and the first ventilation hole 102 is extended, and therefore, the length of the first pressure releasing channel can be extended in the limited space of the rear chamber 101.

In addition, if only the first air guide 400 is provided with the linear air guide channel that communicates the first vent hole 102 and the communication hole 211, the length of the linear air guide channel is smaller than the sum of the lengths of the second air guide channel 402 and the first air guide channel 410, and therefore, in the present embodiment, the first air guide channel 410 is formed between one end of the first air guide 400 and the inner wall of the rear case 100, and the second air guide channel 402 is provided in the first air guide 400, whereby the entire length of the first pressure release channel can be extended.

It should be further noted that the length of the first pressure release channel may affect the sound effect of the earphone, and in this embodiment, the length of the first pressure release channel may be extended in the limited space of the rear chamber 101.

Further, the inner wall of the rear case 100 is provided with a first channel 103, one end of the first air guide 400 is provided with a second channel 401, and the first channel 103 and the second channel 401 cooperate to form a first air guide channel 410.

Specifically, the first air guide 400 may be fixed on the inner wall of the rear case 100 by welding, bonding, or fastening, and after the first air guide 400 is fixed on the inside of the rear case 100, the second channel 401 of the first air guide 400 is matched with the first channel 103 on the inside of the rear case 100 to form the first air guide channel 410.

More specifically, the first air guide 400 is connected with the rear shell 100 by ultrasonic welding, so that the assembly precision of the first air guide 400 can be improved, and the matching precision of the first channel 103 and the second channel 401 is higher.

The cross section of the first channel 103 is semicircular, the cross section of the second channel 401 is also semicircular, the cross section of the first air guide channel 410 formed by the cooperation of the first channel 103 and the second channel 401 is circular, and the cross section of the second air guide channel 402 is also circular.

Further, the inner diameter of the first wind guide passage 410 is the same as that of the second wind guide passage 402, so that the gas can be made to flow constantly, thereby ensuring the acoustic regulation.

Further, the axial direction of the first ventilation hole 102 forms an included angle with the extending direction of the first wind guiding channel 410. Thus, the whole first pressure relief channel is in a Z-shaped structure.

With reference to fig. 7 and 9, further, a first protrusion 110 surrounding the first channel 103 is disposed on the inner wall of the rear housing 100, the first protrusion 110 surrounds to form a first positioning groove, and one end of the first air guide 400 is inserted into the first positioning groove. In this way, in the process of assembling the first air guide 400, the first air guide 400 may be inserted into the first positioning groove, so that the assembly accuracy of the first air guide 400 may be improved.

In another embodiment, the first wind guiding channel 410 is provided inside the first wind guiding member 400.

As shown in fig. 8, in one embodiment, the rear casing 100 is further provided with a second air vent 104, a second air guide 500 is further provided inside the rear chamber 101, a third air guide channel 510 is formed between the second air guide 500 and the inner wall of the rear casing 100, one end of the third air guide channel 510 is communicated with the second air vent 104, the other end is communicated with the rear chamber 101, and the axial direction of the second air vent 104 is arranged at an angle to the extending direction of the third air guide channel 510. In this way, the air in the rear chamber 101 can be discharged sequentially through the third air guide passage 510 and the second air vent 104, thereby achieving pressure relief of the rear chamber 101. Since the third air guide passage 510 is formed between the second air guide 500 and the inner wall of the rear case 100, the third air guide passage 510 mainly occupies a radial space of the rear chamber 101.

Further, a third channel 105 is disposed on the inner wall of the rear casing 100, the second air guide 500 is provided with a fourth channel 501, and the third channel 105 and the fourth channel 501 cooperate to form a third air guide channel 510.

Specifically, the second air guide 500 may be fixed on the inner wall of the rear casing 100 by welding, bonding or snap-fit connection, and after the second air guide 500 is fixed on the inside of the rear casing 100, the fourth channel 501 of the second air guide 500 cooperates with the third channel 105 on the inside of the rear casing 100 to form the second air guide channel 402.

More specifically, the second air guide 500 is connected with the rear casing 100 by ultrasonic welding, so that the assembly precision of the second air guide 500 can be improved, and the matching precision of the third channel 105 and the fourth channel 501 is higher.

The cross section of the third channel 105 is semicircular, the cross section of the fourth channel 501 is also semicircular, and the cross section of the third air guiding channel 510 formed by the cooperation of the third channel 105 and the fourth channel 501 is circular.

Further, the inner diameter of the third wind guide passage 510 is the same as that of the second wind guide hole 104, so that the gas can be made to flow constantly, thereby ensuring the acoustic regulation.

With reference to fig. 8 and 9, further, a second protrusion 120 surrounding the third channel 105 is disposed on the inner wall of the rear housing 100, the second protrusion 120 surrounds a second positioning groove, and the second air guide 500 is inserted into the second positioning groove. Thus, in the process of assembling the second air guide 500, the second air guide 500 can be inserted into the second positioning groove first, so that the assembly accuracy of the second air guide 500 is improved.

In another embodiment, the third wind guiding channel 510 is disposed in the second wind guiding element 500, and the axial direction of the second wind guiding hole 104 forms an included angle with the extending direction of the third wind guiding channel 510.

An embodiment of the present invention further relates to a headset, including the earphone sound generating module 10 as described above.

The utility model discloses a headphone is when using, and earmuff subassembly 300 is used for the cover on user's ear, and loudspeaker subassembly 200 can the sound production. Wherein, the ear cap assembly 300 is fitted behind the ear of the user, and the ear of the user is located in the front chamber 301, so that the interference of the external sound to the sound emitted by the speaker assembly 200 can be reduced. Furthermore, the utility model discloses an among the earphone sound production module, the pressure in front chamber 301 can let out in proper order through intercommunicating pore 211, first air guide 400 and first ventilation hole 102, so, can avoid the discomfort that user's ear arouses because of the too big pressure in front chamber 301. And, the utility model discloses an among the earphone sound production module, because the one end of first air guide 400 and the sealed cooperation of backshell 100, the other end and the sealed cooperation of loudspeaker subassembly 200, rear cavity 101 can be separated with the inner space of first air guide 400, and the air in the rear cavity 101 can not exchange with the gas in the first air guide 400, so, the pressure in the rear cavity 101 can not exert an influence to the pressure release of preceding cavity 301, and the reliability is higher.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims (10)

1. An earphone sound production module, comprising:

a rear housing;

the horn assembly is arranged in the rear shell, and the rear shell defines a rear cavity at the rear side of the horn assembly; and

an ear muff assembly connected with the rear shell and forming a front chamber at the front side of the horn assembly;

the rear shell is provided with a first ventilation hole, the horn assembly is provided with a communication hole communicated with the front cavity, the inside of the rear cavity is provided with a first air guide piece communicated with the first ventilation hole, one end of the first air guide piece is in sealing fit with the rear shell, and the other end of the first air guide piece is in sealing fit with the horn assembly.

2. The earphone sound production module according to claim 1, wherein one end of the first wind guide abuts against an inner wall of the rear housing, and the other end abuts against a side of the speaker assembly away from the front chamber.

3. The earphone sound production module according to claim 1, wherein a first air guide channel is formed between one end of the first air guide and an inner wall of the rear housing, or the first air guide is provided with the first air guide channel;

wherein, first wind-guiding piece is equipped with second wind-guiding passageway, first wind-guiding passageway one end with first ventilation hole intercommunication, first wind-guiding passageway the other end with the one end intercommunication of second wind-guiding passageway, the other end of second wind-guiding passageway with the intercommunicating pore intercommunication, second wind-guiding passageway with first wind-guiding passageway is the contained angle setting.

4. The module of claim 3, wherein the inner wall of the rear housing is provided with a first channel, one end of the first air guide is provided with a second channel, and the first channel and the second channel cooperate to form the first air guide channel.

5. The earphone sound production module according to claim 4, wherein a first protrusion surrounding the first channel is provided on an inner wall of the rear housing, the first protrusion surrounds a first positioning groove, and one end of the first air guide is inserted into the first positioning groove.

6. The module of claim 3, wherein an axial direction of the first vent is disposed at an angle to an extending direction of the first air guiding channel.

7. The earphone sound production module according to claim 1, wherein the rear housing further has a second vent hole, the rear chamber further has a second air guide member inside, a third air guide channel is formed between the second air guide member and the inner wall of the rear housing, or the second air guide member has a third air guide channel, one end of the third air guide channel is communicated with the second vent hole, and the other end of the third air guide channel is communicated with the rear chamber.

8. The module of claim 7, wherein an axial direction of the second vent is disposed at an angle to an extending direction of the third air guiding channel.

9. The earphone sound production module of claim 7, wherein the inner wall of the rear housing is provided with a third channel, the second air guide is provided with a fourth channel, and the third channel and the fourth channel cooperate to form the third air guide channel;

and a second protrusion surrounding the periphery of the third channel is arranged on the inner wall of the rear shell, the second protrusion surrounds to form a second positioning groove, and the second air guide member is inserted in the second positioning groove.

10. A headphone comprising a headphone sound emitting module as claimed in any one of claims 1 to 9.

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