CN212231711U - Earphone set - Google Patents

Abstract

The utility model discloses an earphone, which comprises a shell, an earplug and a loudspeaker, wherein the outer surface of the shell is convexly provided with a connector, the connector is provided with a sound outlet hole extending from the front end surface to the inner cavity of the shell, the loudspeaker is arranged in the inner cavity of the shell at the position opposite to the sound outlet hole, the earplug comprises a fixed sleeve sleeved outside the connector and a flexible skirt edge arranged at the periphery of the fixed sleeve, a sound guide channel is arranged in the fixed sleeve, and the sound guide channel extends backwards from the front end surface of the fixed sleeve and is communicated with the sound outlet hole; an exhaust channel is arranged between the fixed sleeve and the connector, one end of the exhaust channel extends to the sound outlet hole or the sound guide channel, and the other end of the exhaust channel extends to the outside of the earplug. The utility model discloses an earphone is when wearing, and accessible exhaust passage arranges the air current in the duct to the earplug outside, has avoided the air current in the duct to oppress the vibrating diaphragm of loudspeaker in going out the sound hole, has promoted the tone quality of earphone.

Description

Earphone set

Technical Field

The utility model relates to an audio equipment technical field, concretely relates to earphone.

Background

Most of the existing in-ear earphones are provided with an earplug rubber sleeve, when the earphones are worn, the outside of the earplug rubber sleeve is matched with an auricle, the earplug rubber sleeve is made of flexible silica gel, the earplug rubber sleeve is tightly attached to the auricle after being plugged in the auricle, gas in the auditory canal cannot be discharged, and the gas can press a loudspeaker in the earphone along a sound outlet hole, so that a vibrating diaphragm of the loudspeaker vibrates, the tone quality of the earphones is influenced, and the experience is poor.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an earphone, its air current oppression loudspeaker vibrating diaphragm when can avoiding the earphone to go into the ear promotes the tone quality of earphone.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an earphone comprises a shell, an earplug and a loudspeaker, wherein a connector is convexly arranged on the outer surface of the shell, a sound outlet hole extending from the front end face of the connector to the inner cavity of the shell is formed in the connector, the loudspeaker is arranged in the inner cavity of the shell at a position opposite to the sound outlet hole, the earplug comprises a fixed sleeve and a flexible skirt edge, the fixed sleeve is sleeved outside the connector, the flexible skirt edge is arranged on the periphery of the fixed sleeve, a sound guide channel is arranged in the fixed sleeve, and the sound guide channel extends backwards from the front end face of the fixed sleeve and is communicated with the sound outlet hole; the fixed cover with be provided with exhaust passage between the connector, exhaust passage's one end extends to go out the sound hole or lead the sound passageway, the other end extends to the outside of earplug.

Preferably, the exhaust passage is a first groove formed in the inner surface of the fixed sleeve.

Preferably, a concave position extending to the rear end part of the fixing sleeve is formed at the part, located at the rear side of the sound guide channel, in the fixing sleeve, and the connector is embedded in the concave position; the position that is located on the fixed cover internal surface leading sound passageway and concave position links up forms a spacing face, the preceding terminal surface butt of connector is on spacing face, the one end of first recess extends to the inner edge of spacing face, the other end extends to the rear end face of fixed cover.

Preferably, the outer surface of the connector is provided with a flange extending radially outwards, and the periphery of the concave position is provided with a clamping groove for embedding the flange.

Preferably, a dustproof film is arranged in the sound guide channel, and a plurality of through holes are formed in the dustproof film.

Preferably, the exhaust passage is a second groove formed in the outer surface of the connector.

The technical proposal of the utility model is that

The utility model discloses an earphone is when wearing, and accessible exhaust passage arranges the air current in the duct to the earplug outside, has avoided the air current in the duct to oppress the vibrating diaphragm of loudspeaker in going out the sound hole, has promoted the tone quality of earphone.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic view of the installation of the present invention;

FIG. 3 is a cross-sectional view A-A of FIG. 1;

fig. 4 is a schematic view of the earplug of fig. 3.

The reference numbers illustrate:

reference numerals	Name (R)	Reference numerals	Name (R)
				10	Shell body	212	Leading sound channel
11	Through hole	213	Dust-proof film
				12	Connecting head	214	Limiting surface
121	Inner bore	215	Clamping groove
				122	Flange	22	Flexible skirt
20	Earplug	23	Gap
				21	Fixing sleeve	30	Horn type loudspeaker
211	Groove

The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit ly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

As shown in fig. 1, 2, 3, and 4, for the earphone of the present invention, it includes a housing 10, an earplug 20, and a speaker 30, wherein, a connector 12 is convexly disposed on the front side surface of the housing 10, the connector 12 can be fixed on the front side surface of the housing 10 by bonding, or can be integrally formed with the housing 10, the connector 12 is a hollow column-shaped structure, the inner hole 121 extends from the front end surface to the rear end surface thereof, and a through hole 11 is disposed on the housing 10, the through hole 11 is disposed right opposite to the inner hole 121 of the connector 12, so that the through hole 11 and the inner hole 121 of the connector 12 together form a sound outlet, the sound outlet extends from the front end surface of the connector 12 to the inner cavity of the housing 10, the speaker 30 is fixed inside the housing 10, and the speaker 30 is disposed right opposite to the through hole 11, that is the speaker 30 is disposed right opposite to the sound; the earplug 20 comprises a fixing sleeve 21 and a flexible skirt 22, the fixing sleeve 21 is sleeved outside the connector 12, the flexible skirt 22 is arranged on the periphery of the fixing sleeve 21, a sound guide channel 212 is arranged in the fixing sleeve 21, the sound guide channel 212 extends backwards from the front end face of the fixing sleeve 21, the rear end part of the sound guide channel 212 is communicated with the front end part of the sound outlet, an exhaust channel is arranged between the fixing sleeve 21 and the connector 12, one end of the exhaust channel extends to the sound outlet or the sound guide channel, and the other end of the exhaust channel extends to the outside of the earplug 20.

In one preferred embodiment, the exhaust channel is a groove 211 formed on the inner surface of the fixing sleeve 21, the exhaust channel is formed by the groove 211 after the fixing sleeve 21 is sleeved on the connecting head 12, and the groove 211 extends from the inner surface of the fixing sleeve 21 at the rear end of the sound guide channel 212 to the rear end of the fixing sleeve 21. When the earphone is worn, earplug 20 imbeds in the auricle, its outside flexible shirt rim 22 and auricle cooperation, the air current in the auditory canal enters into recess 211 through leading the sound passageway, pass through recess 211 in proper order, fixed cover 21 rear end portion arranges to the earplug outside with the clearance 23 department of flexible shirt rim 22, thereby avoided the air current in the auditory canal to oppress loudspeaker 30's vibrating diaphragm in going out the sound hole, the tone quality of earphone has been promoted, when normal use, loudspeaker 30 vibrates the air current that produces and passes through going out the sound hole, lead sound passageway 212 and get into the auditory canal.

Further, the front half part inside the fixing sleeve 21 forms the sound guiding channel 212, the rear half part has a relatively larger diameter to form a concave part, the concave part extends backwards to the rear end part of the fixing sleeve 21 and forms an opening, the connector 12 is inserted into the concave part from the opening of the rear end part of the concave part, the outer surface of the connector 12 is tightly matched with the inner surface of the concave part to fix the connector 12 and the fixing sleeve 21 together, a limit surface 214 is formed on the inner surface of the fixing sleeve 21 at the position where the sound guiding channel 212 is connected with the concave part, the front end surface of the connector 12 abuts against the limit surface 214, when the connector 12 is connected with the fixing sleeve 21, the limit structure is formed by the limit surface 214 and the front end surface of the connector 12 to limit the position where the connector 12 is installed in the fixing sleeve 21, i.e. the front end part of the connector 12 is prevented from being inserted into the sound guiding channel, the front end of the groove 211 extends to, thus, one opening of the exhaust passage is formed in the inner surface of the assembly of the fixing sleeve 21 and the connecting head 12, the rear end of the recess 211 extends to the rear end surface of the fixing sleeve 21, and the other opening of the exhaust passage is formed in the rear end surface of the fixing sleeve 21.

In addition, in order to prevent that connector 12 and fixed cover 21 from breaking away from each other after the installation, the utility model discloses surface at connector 12 is provided with radial outside extension's flange 122, periphery at the concave position front end is provided with draw-in groove 215, flange 122 inlays and sets up in draw-in groove 215, so, with the front end joint of connector 12 in fixed cover 21, simultaneously, owing to set up foretell draw-in groove 215 at fixed cover 21 internal surface, above-mentioned recess 211 forms a plurality of bent parts at the internal surface of fixed cover 21, when guaranteeing that recess 211 can be smooth the interior gas of discharge duct, a plurality of bent parts on the recess 211 can reduce the transmission of sound in recess 211, the tone quality of earphone has further been promoted.

In other embodiments, the vent channel of the present invention may be a groove formed on the outer surface of the connector 12, which also serves the purpose of venting the air from the ear canal.

In another preferred embodiment, the utility model discloses still be provided with a dust-proof membrane 213 in leading sound passageway 212 inside, set up a plurality of through-holes on this dust-proof membrane 213, it can avoid the earwax in the auditory canal to enter into and cause the jam in going out the sound hole, can not influence the tone quality of earphone again simultaneously.

The above only be the preferred embodiment of the utility model discloses a not consequently restriction the utility model discloses a patent range, all are in the utility model discloses a conceive, utilize the equivalent structure transform of what the content was done in the description and the attached drawing, or direct/indirect application all is included in other relevant technical field the utility model discloses a patent protection within range.

Claims (6)

1. An earphone is characterized by comprising a shell, an earplug and a loudspeaker, wherein a connector is convexly arranged on the outer surface of the shell, a sound outlet hole extending from the front end face of the connector to the inner cavity of the shell is formed in the connector, the loudspeaker is arranged in the inner cavity of the shell and is right opposite to the sound outlet hole, the earplug comprises a fixed sleeve and a flexible skirt edge, the fixed sleeve is sleeved outside the connector, the flexible skirt edge is arranged on the periphery of the fixed sleeve, a sound guide channel is arranged in the fixed sleeve, and the sound guide channel extends backwards from the front end face of the fixed sleeve and is communicated with the sound outlet hole; the fixed cover with be provided with exhaust passage between the connector, exhaust passage's one end extends to go out the sound hole or lead the sound passageway, the other end extends to the outside of earplug.

2. The earphone of claim 1 wherein said vent passage is a first groove formed in an inner surface of said pouch.

3. The earphone as claimed in claim 2, wherein the portion of the interior of the harness located behind the sound-guiding channel forms a recess extending to the rear end of the harness, and the connector is fitted in the recess; the position that is located on the fixed cover internal surface leading sound passageway and concave position links up forms a spacing face, the preceding terminal surface butt of connector is on spacing face, the one end of first recess extends to the inner edge of spacing face, the other end extends to the rear end face of fixed cover.

4. The earphone as claimed in claim 3, wherein the outer surface of the connector is provided with a flange extending radially outward, and the periphery of the recess is provided with a slot into which the flange is inserted.

5. The earphone as claimed in claim 1, wherein a dust-proof film is disposed in the sound-guiding channel, and a plurality of through holes are formed in the dust-proof film.

6. The earphone according to claim 1 wherein the vent passage is a second groove formed in an outer surface of the connector.

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