JPH09233585A - Headphone instrument for hearing examination - Google Patents

Abstract

PROBLEM TO BE SOLVED: To automatically perform adjustment corresponding to individual difference such as the size of the head or the vertical distance between the apex of the head and a concha without being affected by the individual difference by fitting a fitting member to a head band part so as to be freely moved. SOLUTION: A headphone instrument 1 is composed of a pair of left and right noise insulation cups 2, a head band part 3 for linking these noise insulation cups 2 and an adjust part 5 for supporting the noise insulation cups 2 on the head band part 3 in a state desirable for a reagent 4. In this case, the adjust part 5 is composed of a band member 9 composed of an elastic material, fitting members 11 provided at both the ends of this band member 9, a fixing member 12 for fixing the central part of the band member 9 to the central part of the head band part 3 and further, a band member 10 which is shorter than the band member 9 and links the fitting members 11 each other, and the fitting members 11 are freely moved along the head band part 3 corresponding to the size of head of the reagent 4 or the like.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a hearing test headphone device for supporting a receiver in a desired state by a subject.

[0002]

2. Description of the Related Art Conventionally, this kind of technology is disclosed in
As described in Japanese Patent Publication No. 466684, a stretchable suspender member is installed between housing portions that are connected by a bridge portion and that have a built-in speaker, and the suspender member presses and supports the head of the user, and each housing There is known a headphone device in which the part is held at a position corresponding to the auricle.

Further, as disclosed in Japanese Utility Model Publication No. 7-1918, a head band is formed of an elastic body in an inverted U shape and has headphone units attached to the ends of both ends, and both ends are stretched by elastic members. While being energized and stored in the headband, the middle part consists of a band-shaped suspender hung inward at both ends of the headband, and elastically urged to the head by the elastic force of the headband, There is known a headphone device that winds a strip-shaped suspender around a head against the tensile force of an elastic member and presses and supports the head.

[0004]

In the former of those described in the prior art, the suspender member presses and supports the user's head, but both ends of the suspender member are fixed to the bridge portion. Depending on individual differences such as the size of the user's head and the position of the apex of the head and the auricle, the amount of extension of the suspender member may differ and the pressing force on the head and auricle may differ, which is good for some users. There is a problem in that a comfortable fit may not be obtained.

Also in the latter case, as in the former case, the amount of expansion of the elastic member differs due to individual differences such as the size of the head of the user, and the pressing force on the head and auricle differs.
There is a problem that a good fit feeling may not be obtained depending on the user.

The present invention has been made in view of the above problems of the prior art, and the object thereof is not affected by individual differences such as the size of the head and is excellent. It is intended to provide a headphone device for a hearing test that provides a comfortable fit and is easy to operate.

[0007]

In order to solve the above problems, the present invention provides a pair of left and right handset units, a headband unit connecting these handset units, and the handset unit in a desired state for a subject. A headphone device for a hearing test, comprising: an adjusting part supported by the headband part, wherein the adjusting part is a band member made of an elastic material,
A mounting member provided at both ends of the band member, a fixing member that fixes the central portion of the band member to the central portion of the head band portion, and a band member that is shorter than the band member and connects the mounting members to each other, The attachment member is movable along the headband portion according to the size of the head of the subject.

[0008]

Embodiments of the present invention will be described below with reference to the accompanying drawings. Here, FIG. 1 is a front view of a state in which the hearing test headphone device according to the present invention is mounted, FIG. 2 is a side view of the same, FIG. 3 is a top view of an adjusting portion, and FIG.
Are front views, FIG. 5 is each side view (top view, side view, bottom view) of the mounting member, FIG. 6 is each front view (top view, cross-sectional view, bottom view) of the fixing member, and FIG. 7 is FIG. 8 is a front view showing a state in which the subject, whose length from the auricle to the crown is longer than that of the subject shown in FIG.

As shown in FIG. 1 and FIG. 2, a hearing test headphone device 1 includes a pair of left and right sound insulation cups 2 that house a receiver, and a headband portion 3 that connects the sound insulation cups 2.
The sound insulation cup 2 is composed of an adjusting portion 5 for supporting the sound insulating cup 2 on the headband portion 3 in a desired state for the subject 4. Reference numeral 6 is a code for inputting a voice signal to a receiver housed in the sound insulation cup 2, and reference numeral 7 is a grip portion used when the hearing test headphone device 1 is attached and detached.

The sound-insulating cup 2 accommodates an air conduction handset which allows the ear of the subject 4 to hear the hearing test sound, and the examination sound emitted from the air conduction handset in an environment where the hearing test room cannot be used is the environment. This is to enable accurate hearing measurement without being disturbed by noise. Therefore, when the test is performed in the audiometry room, the headband unit 3 may be directly connected to the air conduction receiver without using the sound insulation cup 2.

The headband portion 3 is made of a substantially U-shaped elastic body (for example, a piano wire, stainless steel, or the like).
The wire-shaped member 8 is a book, and a part of the wire-shaped member 8 is covered with a resin coating 8b. The end portions 8a of the wire-shaped members 8 facing each other have the sound insulation cup 2
Is attached to a connecting member 2a provided on its side so as to sandwich. Then, the sound insulating cup 2 is supported by the end portion 8a of the wire-shaped member 8 and the connecting member 2a so as to be rotatable in the vertical direction. When the left and right sound insulation cups 2 are separated from each other by more than the face width of the subject 4, an elastic force is generated in the substantially U-shaped wire-shaped member 8 in the direction of bringing the sound insulation cups 2 closer to each other.

As shown in FIGS. 3 and 4, the adjusting portion 5 includes two strip-shaped band members 9 and 10 having different lengths.
A pair of left and right mounting members 11 fixed to both ends of the band-shaped band members 9 and 10, and a fixing member 12 for connecting and fixing the central part of the longer band-shaped band member 9 and the central part of the wire-shaped member 8 to each other. It consists of

The band-shaped band member 9 is formed of an elastic member, for example, a polymer material having a spring property.
Reference numeral 0 is a flexible member, that is, a member that softly contacts the head, such as a fluororesin material, leather, or cloth. The long strip-shaped band member 9 and the short strip-shaped band member 10 are, as shown in FIG.
a are opposed to each other and are arranged in an arcuate shape.
The long band-shaped band member 9 has its end portion 9b fixed to the left and right mounting members 11 and its central portion fixed to the fixing member 12.
The short band-shaped band member 10 has its end 10 b fixed to the left and right mounting members 11.

As shown in FIG. 5, the mounting member 11 is composed of two male and female pieces 11a and 11b, and the end portions 9b and 10b of the band-shaped band members 9 and 10 at the central portion are connected to the male and female pieces 11a and 11b.
Then, the wire-shaped member 8 is slidably fitted in the hole 11c by forming holes 11c at both ends.

As shown in FIG. 6, the fixing member 12 is composed of two pieces 12a and 12b of male and female, and the center of the band-shaped band member 9 is clamped and fixed by the male and female pieces 12a and 12b at the central portion. The wire-shaped member 8 is formed by forming the holes 12c at both ends.
Is fitted and fixed in the hole 12c.

When the hearing test headphone device 1 is not attached, the elastic force of the wire-shaped member 8 mainly causes
The distance between the surfaces of the left and right sound insulation cups 2 facing each other is shorter than the face width of the subject. Further, the left and right mounting members 11 are located at positions closest to the sound insulation cup 2 due to the elastic force of the band-shaped band members 9 and 10.

The operation of the hearing test headphone device 1 configured as described above will be described. First, as shown in FIG. 1, a case in which a subject 4 having a normal head size wears the hearing test headphone device 1 will be described. Subject 4
When the left and right sound insulation cups 2 are separated by more than the face width against the elastic force of the wire-shaped member 8 by holding the left and right gripping portions 7, the left and right mounting members are provided by the predetermined length of the short band-shaped band member 10 and the arcuate shape. 11 moves in the direction away from the sound insulation cup 2 along the wire-shaped member 8 against the elastic force of the long band-shaped band member 9.

Then, with the left and right sound insulation cups 2 separated from each other by more than the face width, the sound insulation cups 2 are tried to be applied to the auricle while the hearing test headphone device 1 is lowered from above the head. Then, the distance between the surfaces of the left and right sound-insulating cups 2 facing each other is shortened, so that the short band-shaped band member 10 is set to a predetermined length and the elastic force of the long band-shaped band member 9 cooperates. , The left and right mounting members 11 both move along the wire-shaped member 8 in a direction approaching the sound insulation cup 2. Then, the surface 10a of the short strip-shaped band member 10 is
When contacting with the vicinity of the apex of the head of the subject 4, the short band-shaped band member 10 is set to a predetermined length, so that the mounting member 11 stops moving and is positioned.

In this state (FIG. 1), the subject 4 has an appropriate mounting force due to the elastic force of the wire-shaped member 8 and the long band-shaped band member 9 and the central surface 10a of the short band-shaped band member 10. Stablely contacts the vicinity of the apex of the head of the subject 4, so that the hearing test headphone device 1 can be comfortably worn.

Next, as shown in FIG. 7, a case in which the subject 14 wearing the hearing test headphone device 1 has a longer length from the auricle to the crown than that of a normal person will be described. When the subject 14 holds the left and right grips 7 and separates the left and right sound insulation cups 2 from the face width or more against the elastic force of the wire-shaped member 8, due to the predetermined length and the arcuate shape of the short band-shaped band member 10, The left and right mounting members 11 move in the direction away from the sound insulation cup 2 along the wire-shaped member 8 against the elastic force of the long band-shaped band member 9.

Next, with the left and right sound insulation cups 2 separated from each other by more than the face width, the hearing test headphone device 1 is tried to be lowered from above the head until the sound insulation cups 2 are located at the auricle position. Then, since the vertical distance between the apex of the head and the auricle of the subject 14 shown in FIG. 7 is longer than that of the subject 4 shown in FIG. 1, before the sound insulating cup 2 reaches the position of the auricle. The surface 10a of the short strip-shaped band member 10 comes into contact with the vicinity of the apex of the head of the subject 14.

Further, when the sound insulation cup 2 is lowered to the position of the auricle, as shown in FIG. 7, the mounting member 11 is moved to the long band-shaped band member 9 by the pressing force of the head against the surface 10a of the short band-shaped band member 10. Wire-shaped member 8 against elastic force
Along the direction of moving away from the sound insulation cup 2.

When the sound insulation cup 2 hits the auricle at the best position, the short strip-shaped band member 10 is in a state where the surface 10a of the short strip-shaped band member 10 is in contact with the vicinity of the apex of the head of the subject 14. Since 10 is set to a predetermined length, the mounting member 11 stops moving and is positioned.

In this state (FIG. 7), the subject 14 has a proper wearing force due to the elastic force of the wire-shaped member 8 and the long band-shaped band member 9 and the central surface 10a of the short band-shaped band member 10. Stablely contacts the vicinity of the apex of the head of the subject 14, so that the hearing test headphone device 1 can be comfortably worn.

In the headphone device 1 for hearing test,
Since the mounting member 11 of the adjusting part 5 that engages with the headband part 3 moves according to the size of the heads of the examinees 4 and 14 and the vertical distance between the apex of the heads and the auricles, etc. The adjustment is automatically performed in accordance with the above, and the best and best wearing force is always applied to the subjects 4 and 14 regardless of individual differences.

[0026]

As described above, according to the present invention, the adjusting portion is constituted by the band member made of an elastic material and the mounting members provided at both ends of the band member, and the mounting member is attached to the head band portion. Since it is movably attached, it is not affected by individual differences such as the size of the head or the vertical distance between the apex of the head and the auricles, and adjustments are automatically made according to individual differences. A feeling of wearing can be obtained and operability can be improved.

[Brief description of drawings]

FIG. 1 is a front view of a state in which a hearing test headphone device according to the present invention is mounted.

FIG. 2 is a side view showing a state in which the hearing test headphone device according to the present invention is mounted.

FIG. 3 is a top view of an adjusting portion.

FIG. 4 is a front view of an adjusting portion.

5A is a top view, FIG. 5B is a side view, and FIG. 5C is a bottom view.

6A and 6B show a fixing member, FIG. 6A is a top view, FIG. 6B is a sectional view, and FIG.

7 is a front view of a state in which a subject having a longer length from the auricle to the parietal region than the subject shown in FIG. 1 is wearing the hearing test headphone device.

8 is a side view showing a state in which a subject having a longer length from the auricle to the parietal region than the subject shown in FIG. 1 wears the hearing test headphone device.

[Explanation of symbols]

1 ... Headphone device for hearing test, 2 ... Sound insulation cup (receiver part), 3 ... Headband part, 4, 14 ... Examinee, 5 ...
Adjustment part, 8 ... Wire-shaped member, 9, 10 ... Band-shaped band member, 9b, 10b ... End part of band-shaped band member, 11 ...
Attachment member, 12 ... Fixed member.

Claims (1)

[Claims] 1. A pair of left and right handset units, a headband unit connecting these handset units, and an adjustment unit for supporting the handset unit on the headband unit in a desired state for the subject. A hearing-inspection headphone device, wherein the adjusting part is a band member made of an elastic material, mounting members provided at both ends of the band member, and fixing for fixing the central part of the band member to the central part of the headband part. A member and a band member that is shorter than the band member and connects the mounting members to each other, and the mounting member is movable along the head band portion according to the size of the head of the subject. Headphone device for hearing test.