JP2017158045A - headphone - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a headphone capable of remarkably improving a degree of freedom in appearance design, the headphone being ear-plug-shaped.SOLUTION: A headphone comprises: a first driver unit 2; a cylindrical support member 3 having a cylindrical shape and being configured to support a sound emission side end of the first driver unit on an inner side face between both edges of the cylindrical shape in a length direction; a sound emission member 4 including an opening for emitting a sonic wave outputted from the first driver unit into an ear and being fitted at an edge of the cylindrical support member at a sound emission side of the first driver unit in a state where an outer side face of the cylindrical support member is exposed; and a lid member 5 fitted at an edge of the cylindrical support member at a side opposite to the sound emission side of the first driver unit in the state where the outer side face of the cylindrical support member is exposed.SELECTED DRAWING: Figure 1

Description

  The present invention relates to a headphone, for example, an earplug-shaped canal-type headphone that can improve the degree of freedom of exterior design.

2. Description of the Related Art Earplug-shaped canal headphones (earphones) that are conventionally inserted into the ear canal are known. Conventionally, the canal-type headphones have problems such as falling off the auricle even when the user exercises lightly due to the weight of the headphones themselves.
In response to the above problem, Patent Document 1 discloses a headphone (referred to as an earphone in Patent Document 1) that can be stably attached to the user's pinna by ensuring a large contact area with the user's pinna. A configuration is disclosed.

  FIG. 4 is an exploded perspective view of a headphone (only one side is shown) disclosed in Patent Document 1. The illustrated headphone 50 includes a driver unit (speaker unit) 60 that emits sound waves, and the driver unit 60 is accommodated in a speaker housing 51. The speaker housing 51 includes a unit cap 52, a cylindrical portion 53 that holds the driver unit 60 at the opening edge on the front side (sound emission side), and a bottom surface portion 54 that covers the rear opening of the cylindrical portion 53. And have.

  The unit cap 52 is formed with an opening 52a (sound guide) for passing sound waves emitted from the driver unit 60 and a sound conduit 52b for guiding the sound waves that have passed through the opening 52a in a predetermined direction. Yes. The opening 52a is covered with an acoustic filter 55, and an ear plug 56 is attached to the sound conduit 52b. In addition, a protrusion 52c for forming the auricle insert 57 formed of an elastic member is formed on a part of the outer peripheral side surface of the unit cap 52. The auricle insert 57 is provided so that the earphone 50 is unlikely to fall off the user's auricle when the earphone 50 is inserted into the user's auricle.

In addition, a tubular cord drawing portion 58 is fitted to the tubular portion 53.
According to the earphone 50 configured as described above, by providing the auricle insert 57, it is possible to secure a wide contact area between the earphone 50 and the user's auricle, thereby providing the user with a good wearing feeling and the earphone. 50 can be securely attached to the auricle.

Japanese Patent No. 5704617

Incidentally, in the earphone 50 disclosed in Patent Document 1, as shown in a partially enlarged view in FIG. 5, the driver unit 60 is engaged with the sound emitting side opening edge of the cylindrical portion 53, and the unit cap The driver unit 60 is held by joining the cylindrical portion 53 to the 52 side.
However, in such a configuration, since the sound emission side end of the driver unit 60 is disposed in the unit cap 52, the design (external appearance) of the unit cap 52 and the cylindrical portion 53 is simply the driver unit. There is a problem that the shape for storing 60 is limited, and the degree of freedom of the design is limited.

  The present invention has been made by paying attention to the above-described points, and an object of the present invention is to provide a headphone that can greatly improve the degree of freedom in appearance design.

In order to solve the above-described problem, a headphone according to the present invention has a cylindrical shape with a first driver unit, and the sound emitting side end portion of the first driver unit is formed at both end edges of the cylindrical shape in the longitudinal direction. A cylindrical support member that is supported on the inner side surface between the first and second driver units, and an opening that emits a sound wave output from the first driver unit into the ear, and the outer side surface of the cylindrical support member is exposed, A sound emitting member attached to an edge on the sound emitting side of the first driver unit in the cylindrical support member, and a first driver unit sound emitting of the cylindrical support member in a state where an outer surface of the cylindrical support member is exposed. And a lid member attached to the edge opposite to the side.
The first driver unit has a flange formed at the sound emitting side end thereof, and the cylindrical support member has a groove formed along the circumferential direction on the inner surface thereof, and the flange It is desirable that the first driver unit is supported on the inner surface of the cylindrical support member by engaging the groove portion.
The cylindrical support member may be formed of a metal material, and the sound emitting member and the lid member attached to the cylindrical support member may be formed of a material different from the cylindrical support member.
In the first driver unit, it is desirable that a bottom portion facing the sound emission side end portion protrudes toward the lid member side and is covered with the lid member.

In this way, the driver unit is held on the inner peripheral surface side of the cylindrical cylindrical support member, and the outer peripheral surface of the cylindrical support member is exposed. Can be improved.
In addition, by forming the cylindrical support member from a metal material and forming the sound emitting member and lid member joined to the cylindrical support member from different materials such as resin, the occurrence of resonance is suppressed and the texture is improved. Can be made.

In addition, the sound emitting surface includes a second driver unit disposed opposite to the sound emitting surface of the first driver unit at a predetermined interval, and the second driver unit has a sound emitting side end portion. It is good also as a structure supported by the inner surface between the longitudinal direction both ends of the said cylindrical support member.
In this case, in the second driver unit, it is desirable that a bottom portion facing the sound emitting side end portion protrudes toward the sound emitting member and is covered with the sound emitting member.
With this configuration, the present invention can also be applied to so-called push-pull headphones.

  In the earplug-shaped headphones, the degree of freedom of the appearance design can be greatly improved.

FIG. 1 is a perspective view of a headphone according to the present invention, and shows only one ear side as a representative. FIG. 2 is a cross-sectional view of the headphones of FIG. FIG. 3 is a perspective sectional view showing a modification of the headphone according to the present invention. FIG. 4 is an exploded perspective view of a conventional headphone (earphone). 5 is a partially enlarged perspective view of the headphone of FIG. 4 disassembled.

Hereinafter, embodiments of the present invention will be described with reference to the drawings. The headphones according to the present invention can be applied to so-called canal headphones of the earplug type.
FIG. 1 is a perspective view of a headphone according to the present invention, and shows only one ear side as a representative. FIG. 2 is a cross-sectional view of the headphones of FIG. As shown in the figure, a headphone 1 includes a driver unit 2 (first driver unit), a wide ring-shaped (cylindrical) cylindrical support member 3 that holds the driver unit 2, and a sound emission side of the cylindrical support member 3. A unit cap 4 (sound emitting member) that fits into the opening 3a (edge) and a housing 5 (lid member) that covers the bottom side of the driver unit 2 and closes the rear side opening 3b of the cylindrical support member 3 are provided. .

A sound conduit 4a for outputting a sound wave is provided on the front side (lower side in the figure) of the unit cap 4, and an acoustic filter 6 is attached to a front end opening of the sound conduit 4a.
The acoustic tube 4a can be attached with an earplug (not shown) made of a rubber material adapted to the user's pinna, and the headphones 1 can be connected to the user by inserting the earplug into the user's pinna. Can be installed.

As shown in FIG. 2, the driver unit 2 has, for example, a flange 2 a at a peripheral edge (sound emission side end) where the diaphragm is disposed, and an inner periphery between both longitudinal edges of the cylindrical support member 3. On the surface side, a groove 3c that can be fitted to the flange 2a is formed.
Thereby, the driver unit 2 is fitted and held in the groove 3c in the cylindrical support member 3. At this time, since the diaphragm of the driver unit 2 is attached in the vicinity of the flange 2 a, the peripheral edge portion (sound emission side end portion) of the driver unit 2 is located inside the cylindrical support member 3. Further, the bottom portion of the driver unit 2 (a portion facing the sound emission side end portion) protrudes toward the housing 5 and is covered with the housing 5.
With such a configuration, the design of the unit cap 4 can be given a degree of freedom without being affected by the shape of the driver unit 2.

  In the present invention, the outer peripheral surface of the cylindrical support member 3 disposed between the unit cap 4 and the housing 5 is exposed, whereby the appearance design can be emphasized by processing the outer peripheral surface. . For example, diamond cut-shaped irregularities can be formed on the entire outer peripheral surface, or groove formation by spin processing, coloring using alumite treatment, or the like can be performed. Alternatively, the cylindrical support member 3 may be formed of a transparent resin to emphasize the design.

  The cylindrical support member 3 is preferably formed of any one of aluminum, titanium, brass, and resin plating, for example. In particular, aluminum is preferable because it can be easily colored. For example, it can be colored at one point to obtain the effect of texture and color, and the width on the design surface is expanded. Further, when the cylindrical support member 3 is formed of a metal material, for example, the unit cap 4 and the housing 5 formed of a resin material have different natural frequencies even if the diameter of the joint portion is the same. Can be suppressed. Furthermore, the driver unit 2 can be firmly held by forming the cylindrical support member 3 from a metal material that is harder than the resin material.

As described above, according to the embodiment of the present invention, the driver unit 2 is held on the inner peripheral surface side of the ring-shaped cylindrical support member 3, and the outer peripheral surface of the cylindrical support member 3 is exposed. The degree of freedom of the appearance design by the unit cap 4 and the cylindrical support member 3 can be improved.
In addition, the cylindrical support member 3 is formed of a metal material, and the unit cap 4 and the housing 5 that are joined to the cylindrical support member 3 are formed of different materials such as resin, thereby suppressing the occurrence of resonance and improving the texture. Can be made.

In addition, in the said embodiment, although the structure which hold | maintains one driver unit 2 on the inner peripheral surface side of the cylindrical support member 3 was shown, in this invention, it is not limited to the structure.
For example, as shown in the perspective sectional view of FIG. 3, two driver units 2 </ b> A (first driver unit) and 2 </ b> B (second driver unit) are vertically spaced at a predetermined interval on the inner peripheral surface side of the cylindrical support member 3. It is also possible to adopt a so-called push-pull type configuration in which a pair is arranged with a gap between them.
Similarly to the first embodiment, the diaphragms of the driver units 2A and 2B are arranged at the peripheral edge portions (sound emission side ends), and the driver units 2A and 2B are cylindrical support members so that the diaphragms face each other. 3 is attached. More specifically, two grooves 3c1 and 3c2 are formed in parallel along the circumferential direction on the inner side surface between both longitudinal edges of the cylindrical support member 3, and the sound emission side end of the driver unit 2A The flange 2Aa formed on the periphery of the part fits into the groove 3c1, and the flange 2Ba formed on the periphery of the sound emitting side end of the driver unit 2B fits into the groove 3c2. That is, the sound emission side end portions of the driver units 2 </ b> A and 2 </ b> B are both supported on the inner side surface between the longitudinal end edges of the cylindrical support member 3.

In this case, the bottom portion of the driver unit 2B (the portion facing the sound emission side end) is accommodated in the unit cap 4, but the configuration in which the outer peripheral surface of the cylindrical support member 3 is exposed is not changed. As a result, the appearance design can be improved.
In FIG. 3, the driver units 2A and 2B are shown as separate bodies, but they may be integrally formed.

1 Headphone 2 Driver unit (first driver unit)
2A Driver unit (first driver unit)
2B Driver unit (second driver unit)
3 Cylindrical support member 3c Groove 4 Unit cap (sound emitting member)
4a Sound conduit 5 Housing (lid member)

Claims (6)

A first driver unit;
A cylindrical support member that has a cylindrical shape and supports a sound emitting side end portion of the first driver unit on an inner surface between both longitudinal end edges of the cylindrical shape;
The first driver unit sound emission in the cylindrical support member with an opening for emitting sound waves output from the first driver unit into the ear, and with the outer surface of the cylindrical support member exposed. A sound emitting member attached to the side edge;
A lid member attached to an edge of the cylindrical support member opposite to the first driver unit sound emission side with the outer surface of the cylindrical support member exposed;
Headphones characterized by comprising. The first driver unit has a flange formed at the sound emission side end thereof,
The cylindrical support member has a groove formed along the circumferential direction on the inner surface thereof,
The headphone according to claim 1, wherein the first driver unit is supported on an inner surface of the cylindrical support member by engaging the flange with the groove.   2. The cylindrical support member is formed of a metal material, and the sound emitting member and the lid member attached to the cylindrical support member are formed of a material different from the cylindrical support member. Alternatively, the headphones according to claim 2. A second driver unit having a sound emitting surface disposed opposite to the sound emitting surface of the first driver unit at a predetermined interval;
The sound output side end portion of the second driver unit is supported by an inner surface between both longitudinal end edges of the cylindrical support member. Headphones.   5. The first driver unit according to claim 1, wherein a bottom portion of the first driver unit that faces the sound emitting side end protrudes toward the lid member and is covered by the lid member. Headphones described in 1.   The bottom part which opposes the sound emission side edge part in the said 2nd driver unit protrudes in the said sound emission member side, and is covered with this sound emission member. The listed headphones.

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