JPH09215098A - Ear-worn hearing aid - Google Patents

Abstract

PROBLEM TO BE SOLVED: To speedily discharge an unwanted object such as sweat or rain drop infiltrated into the battery housing chamber of an ear-worn hearing aid to the outside. SOLUTION: Concerning the ear-worn hearing aid for which a battery housing chamber 9 for a battery while holding it with a battery holder 8 is provided at the bottom part of a case 2, a longitudinal groove 13 is formed on an inner wall surface 11a of the battery holder 8, and a hole part 14 for communicating the battery housing chamber 9 with the outside at the section of this longitudinal groove 13 to become the lowest part when wearing the hearing aid. Further, a lateral groove 15 orthogonal with the longitudinal groove 13 is formed at the hole part 14, and an opening part 16 confronting one terminal part of this lateral groove 15 with the outside is formed at a bottom part 12 of the battery holder 8.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an ear-hook type hearing aid having a structure for discharging perspiration, raindrops, etc. of a wearer who has entered a battery chamber to the outside.

[0002]

2. Description of the Related Art As a conventional ear-hook type hearing aid, as described in Japanese Utility Model Publication No. 3-28636, a convex portion or a concave portion is provided on the inner wall of a battery accommodating chamber to form an air battery (air hole is formed. A surface on the opposite side) and the inner wall, and a convex portion associated with the formation of the convex portion or the concave portion is provided so as to be substantially orthogonal to the ground when wearing the hearing aid, and further on the bottom surface of the hearing aid body. It is known that an opening communicating with the battery housing chamber is formed to discharge perspiration that has entered the battery housing chamber to the outside.

Further, as described in Japanese Utility Model Publication No. 3-6076, in order to prevent perspiration and water from entering the battery chamber, a packing is attached to the opening of the battery holder to provide a waterproof structure. Things are known.

[0004]

In the former case described in the prior art, since a space is not formed between the side surface of the air battery and the inner wall surface of the battery holder forming the battery housing chamber, there is a close contact state. , If sweat or water enters between the side surface of the air battery and the inner wall surface of the battery holder, it is difficult to discharge the sweat or water to the outside. There is a problem that the air intake hole is often blocked. Further, in the latter, there is a problem that the assembly becomes complicated, and the packing maintenance and the like are troublesome and the usability is not good.

The present invention has been made in view of the above problems of the prior art, and an object of the present invention is to eliminate the need for sweat, raindrops, etc., which have penetrated into the battery housing chamber of the ear-hook type hearing aid. You can quickly discharge things to the outside world,
Moreover, it is intended to provide an ear-hook type hearing aid with good maintainability.

[0006]

In order to solve the above-mentioned problems, the present invention provides an ear-hook type hearing aid in which a battery accommodating chamber for accommodating a battery in a battery holder is provided at the bottom of a case.
A groove is formed on the inner wall surface of the battery holder, and a hole that connects the battery housing chamber and the outside world is formed at a lowermost portion of the groove when the hearing aid is worn.

The groove may be a vertical groove formed on the inner wall surface of the battery holder so as to surround the side surface of the battery. Further, the groove may be a vertical groove formed on the inner wall surface of the battery holder so as to surround the side surface of the battery, and a horizontal groove formed on the inner wall surface of the battery holder so as to intersect the vertical groove.

Further, a lateral groove intersecting the vertical groove may be formed in the hole and the battery holder may be formed with an opening in which an end of the lateral groove faces the outside.

[0009]

Embodiments of the present invention will be described below with reference to the accompanying drawings. Here, FIG. 1 is a perspective view of the hearing aid according to the present invention when the battery holder is in an open state, and FIG. 2 is a partial cross-sectional perspective view when the battery holder that also holds the battery is in an open state. 4 is a perspective view of the battery holder,
FIG. 5 is a partial cross-sectional perspective view of a battery housing chamber containing a battery.

As shown in FIG. 1, the over-the-ear hearing aid 1 is
A microphone for converting an audio signal into an electric signal, a hearing aid processing unit for amplifying an output signal of the microphone and performing hearing aid processing, and an earphone for converting an output signal of the hearing aid processing unit into a sound are housed in the case 2. . Further, openings 3 and 4 are formed on the back surface 2a of the hearing aid case 2,
The lever portion 5a of the three-stage changeover switch (three positions) 5, the operation portion 6a of the gain adjusting volume 6, and the like are provided so as to project.

At the lower end portion 7 of the case 2, a battery holder 8 pivotally supported by the case 2 by a shaft (not shown) is rotatably provided, and the battery holder 8 is housed in the case 2, that is, in a closed state. In this way, the battery accommodating chamber 9 is formed at the bottom of the case 2. As shown in FIG. 2, the battery holder 8 can hold the battery 10 in the open state.

As shown in FIG. 3, the battery holder 8 is formed in a substantially curved shape and comprises a wall portion 11 and a bottom portion 12.
The wall portion 11 has an inner wall surface 11a in contact with the side surface 10a of the battery 10, and the bottom portion 12 has a bottom surface 1 on which the battery 10 is placed.
2a. Further, the battery 10 is provided on the inner wall surface 11a.
A straight vertical groove 13 is formed so as to surround the side surface 10a of the above, and a hole portion 14 that connects the battery housing chamber 9 and the outside world is formed in the lowermost portion of the vertical groove 13 when the hearing aid is worn.

Further, a lateral groove 15 orthogonal to the longitudinal groove 13 is formed on the inner wall surface 11a including the hole 14 in the vicinity of the hole 14. As shown in FIGS. 3 and 4, the bottom portion 12 of the battery holder 8 is formed with an opening 16 in which one end of the lateral groove 15 faces the outside. It should be noted that it is also possible to form an opening facing the outside at both ends of the lateral groove 15. However, in order for the other end of the lateral groove 15 to form an opening that faces the outside,
It is necessary to form a notch at the end of the case 2 where the other end of the lateral groove 15 faces.

In FIG. 3 or 4, reference numeral 17 is a through hole into which a shaft (not shown) for pivotally supporting the battery holder 8 is inserted in the case 2, and 18 is a stopper for determining the maximum opening angle of the battery holder 8. A projecting portion, 19 is an opening projecting portion for opening and closing the battery holder 8 with a fingertip.

Further, a plurality of horizontal grooves 15 orthogonal to the vertical grooves 13 may be formed on the inner wall surface 11a other than the holes 14. Furthermore,
It is also possible to form a plurality of vertical grooves 13 on the inner wall surface 11a.
If a plurality of vertical grooves 13 and horizontal grooves 15 are formed, the battery holder 8
More grooves are formed between the side surface 10a of the battery 10 and the side surface 10a of the battery 10, and the discharge of sweat and raindrops to the outside is further promoted.

When the ear-hook type hearing aid 1 in which the battery 10 is held in the battery holder 8 and housed in the battery housing chamber 9 is worn in the above-described structure, as shown in FIG.
And the opening 16 is located at the bottom of the hearing aid 1.

Therefore, the sweat and raindrops of the wearer are not contained in the battery accommodating chamber 9.
Even if it permeates into the battery, sweat and raindrops travel downward through the vertical groove 13 or the horizontal groove 15 that functions as a drainage passage, and do not accumulate in the battery accommodating chamber 9 and are discharged from the hole 14 or the opening 16 to the outside. To be done. Further, after the sweat and raindrops are discharged, the vertical groove 13 or the horizontal groove 15 serves as an air passage for introducing the outside air from the hole 14 or the opening 16 to dry the battery housing chamber 9, and the battery housing chamber 9 Promotes the drying of.

Furthermore, if a plurality of vertical grooves 13 and horizontal grooves 15 are formed on the inner wall surface 11a of the battery holder 8, sweat and raindrops that have entered the battery storage chamber 9 can be more quickly supplied to the vertical grooves 13 and horizontal grooves 15.
Is discharged to the outside world.

When the battery 10 is an air battery, the outside air flowing in from the hole 14 or the opening 16 is guided to the air battery through the vertical groove 13 and the horizontal groove 15, so that sufficient air should be given to the air battery. You can

[0020]

As described above, according to the present invention, even if unnecessary substances such as sweat and raindrops of the wearer of the ear-hearing aid enter the battery chamber, the unnecessary substances such as sweat and raindrops can be removed. It does not pass through the vertical groove or the horizontal groove, travels downward, is discharged from the hole or opening to the outside, and does not accumulate in the battery chamber.

Further, after perspiration or raindrops have been discharged, the air flowing in from the holes or openings reaches the battery chamber through the vertical grooves or the horizontal grooves to accelerate the drying of the battery chamber. Further, since the outside air flowing in from the hole or the opening is guided to the air cell through the vertical groove and the horizontal groove, sufficient air can be given to the air cell.

[Brief description of drawings]

FIG. 1 is a perspective view of a hearing aid according to the present invention with a battery holder in an open state.

FIG. 2 is a partial cross-sectional perspective view of the hearing aid according to the present invention when the battery holder holding the battery is in an open state.

FIG. 3 is a perspective view from the top of the battery holder.

FIG. 4 is a perspective view from the lower surface of the battery holder.

FIG. 5 is a partial cross-sectional perspective view of a battery containing chamber containing a battery.

[Explanation of symbols]

1 ... Ear-hook hearing aid, 2 ... Case, 8 ... Battery holder, 9
... battery accommodating chamber, 10 ... battery, 10a ... battery side surface, 11
... wall part, 11a ... inner wall surface of battery holder, 12 ... bottom part, 1
2a ... bottom surface of battery holder, 13 ... vertical groove, 14 ... hole, 1
5 ... Lateral groove, 16 ... Opening part.

Claims (4)

[Claims] 1. An ear-hook type hearing aid in which a battery housing chamber for holding and housing a battery in a battery holder is provided in a bottom portion of a case, wherein a groove is formed on an inner wall surface of the battery holder, and the groove is used for hearing aid wearing. An ear-hook type hearing aid, characterized in that a hole which communicates the battery chamber with the outside is formed at a lowermost part. 2. The ear-hearing hearing aid according to claim 1, wherein the groove is a vertical groove formed on an inner wall surface of the battery holder so as to surround a side surface of the battery. 3. The vertical groove formed on the inner wall surface of the battery holder so as to surround the side surface of the battery, and the horizontal groove formed on the inner wall surface of the battery holder so as to intersect the vertical groove. 1. A hearing aid according to item 1. 4. The ear-hearing hearing aid according to claim 2, wherein a lateral groove intersecting with the vertical groove is formed in the hole, and an opening at which an end of the lateral groove faces the outside is formed in the battery holder. .