KR20160129379A - Earphone with air flow structure and eartips used therefor - Google Patents

Abstract

The purpose of the present invention is to provide an earphone having a new structure, which includes an air flow structure between the inside and the outside of ears while having a closed structure, and an ear tip used therefor. The earphone comprises the ear tip having a plurality of wing units and an earphone main body which is used by coupling with the ear tip. The ear tip comprises an ear tip main body and a plurality of wing units. The ear tip main body is made of a soft elastic material, has a cylindrical hole penetrating through the front and back surfaces in a center thereof, and a coupling portion where a coupling unit of the earphone main body formed in the inside of one side of the hole is coupled. The ear tip main body has a cylindrical shape from the one side, where the earphone main body is coupled, to the other side and has an outer circumferential surface of a curve toward an inlet of the hole from the other side. The wing units are integrally formed as a ring shape along the outer circumferential surface of the ear tip main body. Each wing unit has an air flow groove in the form of a V shape.

Description

[0001] The present invention relates to an earphone having a ventilation structure,

The present invention relates to earphones and ear tips, and more particularly to earphones having a ventilation structure and ear tips used therein.

Currently, mobile terminals having a multimedia playback function based on mobility are widely used, and mobile communication terminals such as a smart phone capable of voice communication on the move support various multimedia playback functions and game execution functions in addition to a voice call function.

Accordingly, a user uses a device including an earphone, an earphone, a headset, and the like in order to personally listen to a multimedia playback function and a sound according to a game performing function as well as a voice call on the move.

In recent years, most earphones generally block the sound of the inside and outside of the ear when worn, in order to prevent individual sounds of the sound, that is, the sound reproduced from the portable terminal, from coming out or to prevent the external sound from coming into the user's ear Has a shielding structure and has a structure in which fixing force is improved when worn so as not to fall into the ear in consideration of activity.

In order to improve the sound shielding structure and the fixing force improving structure, earphone or ear tips having a structure in which ear pins or ear pads in the form of ear plugs having a plurality of sound insulating walls for blocking noise are installed, .

However, the earphone or ear tip of such a sound shielding structure is structured to shut off the air between the inside and the outside of the ear wearing the earphone or to close the ear when the earphone is worn, The sound of the voice in the mouth of the user may be lowered and the sound quality of the user's earphone may be lowered, resulting in an increase in the fatigue of wearing the earphone, or an unrecoverable health problem such as noise- There is a problem.

Some earphones have a sound shielding structure for the ear tip or ear pad, but also have a vent hole formed in the earphone main body connected thereto to partially solve the problem of the sound shielding structure. However, in this case, there is a problem that it is impossible to develop a waterproof or air-polluted structure as an earphone due to the formation of a vent hole in the main body.

Korean Patent Laid-Open Publication No. 10-2004-0097320 (Title: Earpads and earphones equipped with the pads, Published on November 17, 2004)

SUMMARY OF THE INVENTION Accordingly, it is an object of the present invention to provide a new earphone having a shielding structure and a ventilation structure between the inside and the outside of the ear, and an ear-tip used therefor.

In order to attain the above object, in one aspect, the present invention relates to an earphone having a ventilation structure, including an ear tip having a plurality of wings and an earphone main body used in combination with the ear tip, The earphone main body is formed in a cylindrical shape having a cylindrical shape passing through the front and rear at its center, a coupling part formed at one side of the hole to be engaged with the coupling part of the earphone main body, And a plurality of wings integrally formed in a ring shape along an outer circumferential surface of the eartip body, wherein each of the plurality of wing portions has a V- Shaped vent grooves are formed.

According to another aspect of the present invention, there is provided an ear tip used in an earphone having a ventilation structure, wherein a cylindrical-shaped hole penetrating the front and rear surfaces is formed at the center by a soft elastic material, An ear tip body having a cylindrical shape in a direction from the one side to the other side of the earphone main body and having a curved outer peripheral surface in the vicinity of the other side toward the mouth of the hole; And a plurality of vanes formed integrally in a ring shape, wherein a V-shaped vent groove is formed in each of the plurality of vanes.

Preferably, the plurality of vanes have a predetermined inclination angle &thetas; with the cylindrical outer circumferential surface of the ear-tip body in the earphone main body direction.

Further, preferably, the distance between the plurality of vanes changes in accordance with a change in curvature of the outer peripheral surface of the eartip body.

Further, preferably, the plurality of V-shaped vent grooves are formed at the same angle (A) in the wing portion, and the forming position of the vent groove of the plurality of wing portions has a difference angle determined by the following [Expression 1]

 [Equation 1]

 B = (360 / N) / (M + 1)

Here, B is the difference angle of the forming position of the V-shaped vent groove between the wings.

        N is the number of ventilation grooves formed in one wing portion.

        M is the number of wing parts.

Here, it is preferable that the depth d3 of the V-shaped vent groove is 1/2 of the width d2 of the wing 12.

In addition, preferably, the blade groove is formed into a thin film on one side and a groove on the other side.

As described above, according to the present invention, it is possible to provide an earphone having a ventilation structure while maintaining a sound shielding structure and an ear tip used therein.

Further, the earphone having the ventilation structure of the present invention and the eartip used therein have the effect of providing a comfortable fit feeling while improving the fixing force of the earphone when worn by the close action of the characteristic wing structure on the external ear canal.

Further, due to the ventilation structure in the ear tip, the ventilation structure is not required in the earphone main body, so that it is possible to design the earphone main body in a completely sealed structure by necessity of waterproof and the like.

1 is a perspective view of an earphone having a ventilation structure according to an embodiment of the present invention;
2 is a sectional view of an earphone having a ventilation structure according to an embodiment of the present invention;
3 is a front view and a rear view of an ear tip used in an earphone having a ventilation structure according to an embodiment of the present invention;
4A is a schematic view of the inside of the ear when an earphone having a ventilation structure according to an embodiment of the present invention is worn.
4B is a view for explaining an action of a wing portion when an earphone having a ventilation structure according to an embodiment of the present invention is worn.
5A is a perspective view and a cross-sectional view of an eartip used in an earphone having a ventilation structure according to another embodiment of the present invention.
5B is a front view and a rear view of an ear tip used in an earphone having a ventilation structure according to another embodiment of the present invention.
6 is a view for explaining an action of a wing portion when an earphone having a ventilation structure according to another embodiment of the present invention is worn.

BEST MODE FOR CARRYING OUT THE INVENTION Hereinafter, an earphone having a ventilation structure according to the present invention and an ear tip used therein will be described in detail with reference to the accompanying drawings.

These embodiments are described in sufficient detail to enable those skilled in the art to practice the invention. It should be understood that the various embodiments of the present invention are different, but need not be mutually exclusive. For example, certain features, structures, and characteristics described herein may be implemented in other embodiments without departing from the spirit and scope of the invention in connection with an embodiment.

It is also to be understood that the position or arrangement of the individual components within each disclosed embodiment may be varied without departing from the spirit and scope of the invention. The following detailed description is, therefore, not to be taken in a limiting sense, and the scope of the present invention is to be limited only by the appended claims, along with the full scope of equivalents to which the claims are entitled, if properly explained. In the drawings, like reference numerals refer to the same or similar functions throughout the several views.

In addition, unless otherwise defined, the terms used in the description of the present invention have the same meaning as commonly understood by one of ordinary skill in the art to which the present invention belongs. In the following description and the accompanying drawings, A detailed description of known functions and configurations that may be unnecessarily blurred is omitted.

FIG. 1 is a perspective view of an earphone having a ventilation structure according to an embodiment of the present invention. FIG. 2 is a sectional view of an earphone having a ventilation structure according to an embodiment of the present invention. Which is a front view and a rear view of the ear tip.

Referring to FIG. 1, an earphone having a ventilation structure of the embodiment includes an ear tip 10 having a plurality of wings having a characteristic shape and an earphone main body 20 to be used in combination with the ear tip. In this embodiment, five wings are formed and each wing portion is formed with a V-shaped vent groove.

Referring to FIG. 2, the ear tip 10 is formed of a soft elastic material and has a cylindrical hole that penetrates the front and the rear at its center, and a coupling portion 22 of the earphone main body 20 is formed at one side of the hole. An ear tip body 11 having a cylindrical shape in a direction from one side to the other side of the earphone main body 20 and having a curved outer peripheral surface in the vicinity of the other side toward the mouth of the hole, And a plurality of vanes 12 formed integrally in the form of a ring along the circumferential direction of the vanes 10. The V-shaped vent groove is formed in each of the plurality of vanes, It forms a ventilation structure between the inside and outside of the ear.

The plurality of vanes 12 have a predetermined inclination angle? With the cylindrical outer circumferential surface of the ear-tip body, and the radius is adjusted so as to form a contour having a curvature similar to or smaller than the outer circumferential surface of the curved line.

The distances L1, L2 and L3 between the wings 12 vary with the curvature of the outer peripheral surface of the eartip body 11.

2, the distance between the three right-hand side wing portions 12 of the cylindrical outer circumferential surface is formed to have the same distance L1 because the curvature of the outer circumferential surface of the molded eartip body is equal to zero, The phase is formed to have a distance L2 different from L1 in accordance with the change of the curvature of the outer peripheral surface of the tooth tip body between the third right wing portion and the fourth wing portion where the curvature of the outer peripheral surface of the main body changes, And the left wing portion is formed to have another distance L3 in accordance with the change of the curvature of the outer peripheral surface of the tip body.

The curvature change of the outer peripheral surface of the ear tip body and the radius of the wing portion are adjusted according to the inner diameter of the ear canal of the user, and the distance between the wing portions 12 is adjusted based on this. By adjusting the distance between the wings 12 according to the curvature change of the outer circumferential surface of the ear tip body as described above, the fixation force is increased on the inside of the ear canal to prevent detachment,

A V-shaped vent groove is formed in the plurality of wing portions (12) toward the tip of the ring shape of the wing portion. The V-shaped vent groove has a V-shaped both ends of the wing portion The folding and folding can be facilitated so that insertion is easy and the airtightness is enhanced through the gap between the folded portion and the action effect of increasing the airtightness with the inner surface of the outer ear canal.

The earphone main body 20 includes a housing 21 serving as a voice mail box, a coupling portion 22 extending from the housing 21 to be coupled with the main body of the ear tip, and a speaker 23 installed in the housing. In the case of the earphone main body according to the present invention, a ventilation structure is not required in the earphone main body. Thus, the earphone main body, that is, the housing is manufactured with a completely sealed structure as required for waterproofing.

FIG. 3 is a front view and a rear view of an ear tip used in an earphone having a ventilation structure according to an embodiment of the present invention. In this embodiment, five wings are formed, Three types of ventilation grooves are formed at an angle of 120 ° with respect to one wing portion. The forming positions of the V-shaped ventilation grooves between the blades have a difference of 30 °. This is so that the ventilation grooves of the respective vanes are not formed at the same positions in the front and back directions but staggered from each other.

Accordingly, in the present invention, when the number of the ventilation grooves formed in each wing portion is N and the number of the wing portions provided is M, the angle A of the formation position between the ventilation grooves of one wing portion is 360 / N, and the difference angle (B) between the forming positions of the V-shaped vent grooves between the blades is obtained by dividing the angle of the forming position between the vent grooves of the blades by the sum of the number M of the blades installed and one Is generalized as [Equation 1] below.

[Equation 1]

B = (360 / N) / (M + 1)

Where B is the difference angle of the forming position of the V-shaped vent groove between the blades.

3, the depth d3 of the V-shaped ventilation groove is preferably about 1/2 of the width d2 of the wing 12, and the depth of the V- The radius d1 of the portion and the width d2 of the wing portion 12 are rounded to have optimal values.

FIG. 4A is a schematic view of the inside of the ear when the earphone having the ventilation structure according to the embodiment of the present invention is worn, FIG. 4B is a view illustrating the operation of the wing when the earphone having the ventilation structure of the embodiment of the present invention is worn FIG.

4A of the present invention, the earphone having the ventilation structure of the embodiment of the present invention has a plurality of wings 12, when worn, with the cylindrical outer circumferential surface of the ear- So that it is easy to insert the ear canal into the ear canal and has the effect of preventing the earphone from being separated by the action of the wing portion 12 having an inclination angle at the time of use. Further, since the radii of the plurality of vanes 12 are adjusted to form a contour having a curvature similar to or smaller than the outer and inner circumferential surfaces of the eartip body 11, it is possible to maintain a sound- You can give.

Referring to FIG. 4B, the earphone having the ventilation structure of the present invention and the ear tip used therein are characterized in that, when worn through the characteristic wing structure and the ventilation grooves of the respective wings, each wing portion 12, when worn, Or both ends of the folded portion are folded to facilitate folding, easy insertion when worn, and airtightness with the inner surface of the outer ear, and the gap of the V-shaped folded portions Or the perforation can be vented to the outside of the ear.

Accordingly, it has a ventilation structure while maintaining the sound shielding structure, and improves the fixation force of the earphone when worn by the close action to the ear canal at the time of wearing, thereby providing a comfortable fit.

FIG. 5A is a perspective view and a cross-sectional view of an ear tip used in an earphone having a ventilation structure according to another embodiment of the present invention, FIG. 5B is a front view and a rear view of an ear tip used in an earphone having a ventilation structure of another embodiment of the present invention, Is a view for explaining an action of a wing portion when an earphone having a ventilation structure according to another embodiment of the present invention is worn, showing a modified embodiment of the present invention.

In this embodiment, the vane groove 12 has the same structure as the one previously described, and one surface is formed in the form of a thin film so that only one surface portion is realized as an open groove.

5A and 5B are formed in the form of a thin film on the front surface. No vent grooves are observed on the front surface, and the back surface of the wing portion may be formed into a thin film shape according to an embodiment.

 6, the earphone having the ventilation structure of the present invention and the ear tip used in the present invention also have the characteristic wing structure and the ventilation groove of each wing, Is folded with the thin film so that the folding is easy, the insertion is easy, and the airtightness with the inner side of the ear canal is increased. And both ends of the V-shaped groove and the thin membrane are folded together so that air can be vented to the outside of the ear through the gap of the folded portion.

Accordingly, it has a ventilation structure while maintaining a sound shielding structure, and has the same function and effect as those of the previous embodiment, which improves the fixing force of the earphone while providing a comfortable fit when worn by a close action to the ear canal upon wearing.

Although specific combinations of configurations of the present invention have been described in detail with reference to the above embodiments, other combinations of such configurations are possible, and various modifications and changes may be made thereto by those skilled in the art. Modification is possible. Therefore, the present invention is not limited to the above-described embodiments, and such other combinations, modifications and variations are incorporated into the scope of the present invention.

10: Ear tip 20: Earphone body
11: Ear tip body 12:
21: housing 22:
23: Speaker

Claims (10)

In an earphone having a ventilation structure,
An ear tip 10 having a plurality of wings and an earphone main body 20 to be used in combination with the ear tip,
The ear tip 10 is formed of a soft elastic material and has a cylindrical hole formed at its center so as to penetrate the front and rear surfaces of the ear tip 10 and a coupling portion for coupling the coupling portion 22 of the earphone main body 20 is formed at one side of the hole. An ear tip body 11 having a cylindrical shape in a direction from one side of the earphone main body 20 to the other side and having a curved outer peripheral surface in the vicinity of the other side toward the mouth of the hole;
And a plurality of wings (12) integrally formed in a ring shape along the outer peripheral surface of the ear-tip main body (11), characterized in that a V-shaped vent groove is formed in each of the plurality of wing portions Earphone with ventilation structure. The method according to claim 1,
Wherein the plurality of wings (12) have a predetermined inclination angle (?) With the cylindrical outer circumferential surface of the ear-tip body (11) in the direction of the earphone main body (20). The method according to claim 1,
Wherein a distance between the plurality of wings (12) varies with a change in curvature of the outer peripheral surface of the eartip body (11). The method according to claim 1,
A plurality of V-shaped vent grooves are formed at the same angle (A) in the wing portion (12), and a forming position of the vent groove of the plurality of wing portions (12) And an earphone having a ventilation structure.
[Equation 1]
B = (360 / N) / (M + 1)
Here, B is the difference angle of the forming position of the V-shaped vent groove between the wings.
N is the number of ventilation grooves formed in one wing portion.
M is the number of wing parts.
The earphone according to claim 4, wherein the depth (d3) of the V-shaped vent groove is half the width (d2) of the wing portion (12). 6. The method according to any one of claims 1 to 5,
Characterized in that the vane groove (12) is formed in a thin film shape on one side and in the shape of an opening on the other side. In an eartip used in an earphone having a ventilation structure,
The earphone main body 20 is formed of a soft elastic material and has a cylindrical hole formed at its center and passing through the front and rear surfaces of the earphone main body 20, An eartip main body 11 having a cylindrical shape from one side coupled to the other side and having a curved outer peripheral surface toward the inlet of the hole in the vicinity of the other side;
And a plurality of wings (12) integrally formed in a ring shape along the outer peripheral surface of the ear-tip main body (11), characterized in that a V-shaped vent groove is formed in each of the plurality of wing portions Eartip used in earphones with a ventilation structure. 8. The method of claim 7,
Wherein the plurality of wings (12) have a predetermined inclination angle (?) With the cylindrical outer circumferential surface of the ear tip body (11) in the direction of the earphone main body (20). 8. The method of claim 7,
Wherein a distance between the plurality of vanes (12) varies with a change in curvature of the outer peripheral surface of the eartip body (11). 8. The method of claim 7,
A plurality of V-shaped vent grooves are formed at the same angle (A) in the wing portion (12), and a forming position of the vent groove of the plurality of wing portions (12) And an earphone having a ventilation structure.
[Equation 1]
B = (360 / N) / (M + 1)
Here, B is the difference angle of the forming position of the V-shaped vent groove between the wings.
N is the number of ventilation grooves formed in one wing portion.
M is the number of wing parts.

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