JP2000048790A - Battery housing structure - Google Patents

Abstract

PROBLEM TO BE SOLVED: To easily remove a pillar-shaped battery from a battery housing by installing a pair of elastic electrode pieces to both ends of a battery housing base on which the pillar-shaped battery is placed and held, and forming a battery clearance part at one end or both ends of the battery housing base. SOLUTION: Electrodes 6, 6 are installed at both ends of a battery housing 2 so as to face to a battery contact part. A contact piece is soldered to a printed circuit board 7, and a fixed part is fixed to the printed circuit board 7 with a screw passing through a hole. When a pillar-shaped battery B is removed from the battery housing 2, the side of the pillar-shaped battery B on a battery clearance part 5 side is pushed in the battery clearance part 5, one end of the pillar-shaped battery B comes off from the electrode piece 6 in the inner direction of the battery clearance part 5, on the edge part 4a of a battery housing base 4, and the other end comes off outward from the electrode piece 6. A chain line shows a coming off state of the pillar-shaped battery B from the battery housing 2.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a battery accommodating structure for accommodating a columnar battery by electrically connecting it to an electrode piece, or removing the columnar battery.

[0002]

2. Description of the Related Art Conventionally, as a battery housing structure of a columnar battery applied to a box-shaped hearing aid, as shown in FIG. 6, a box-shaped hearing aid main body 100 is provided with a battery housing portion 101 for housing a pillar-shaped battery B. One end of the housing 101 is provided with an anode piece electrically connected to the anode of the columnar battery B, and the other end is provided with a cathode piece electrically connected to the cathode of the columnar battery B. In addition, a battery take-out ribbon 102 having one end fixed to a predetermined portion of the battery housing portion 101 and the other end being free is provided so as to cross the battery housing portion 101. In addition, 103 is the battery storage unit 1
A cover that covers column 01 and holds columnar battery B, and is attached to box-shaped hearing aid body 100 by a hinge.

When loading the columnar battery B into the battery storage unit 101, first, the polarity direction of the columnar battery B is confirmed, and the battery storage unit 1 is checked.
01 and the battery removal ribbon 102
Is pressed between the columnar battery B and the bottom surface of the battery housing 101, and the free end is exposed to push the columnar battery B into the battery housing 101. On the other hand, the columnar battery B
Can be removed from the battery storage unit 101 by removing the battery removal ribbon 102 sandwiched between the columnar battery B and the bottom surface of the battery storage unit 101.
This is done by pulling on the free end.

[0004]

However, in the battery storage structure shown in FIG. 6, the end of the battery take-out ribbon 102 in a free state is sandwiched between the columnar battery B and the bottom surface of the battery storage section 101, and thus has a columnar shape. The battery B may be loaded into the battery storage unit 101. In such a case, the column-shaped battery B cannot be removed by pulling the battery removal ribbon 102, and the column-shaped battery B cannot be directly removed with a fingertip. It's not easy.

The present invention has been made in view of the above-mentioned problems of the prior art, and it is an object of the present invention for elderly people who have reduced visual acuity and are unable to move their fingertips. It is an object of the present invention to provide a battery housing structure in which a columnar battery can be easily removed.

[0006]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, the present invention provides a battery housing for mounting and holding a columnar battery, and a pair of electrode pieces having elastic characteristics provided at both ends of the battery housing. And a battery escape portion provided at one or both ends of the battery storage base.

[0007]

Embodiments of the present invention will be described below with reference to the accompanying drawings. Here, FIG. 1 is a perspective view of a battery housing structure according to the present invention applied to a box-shaped hearing aid, FIG. 2 is a plan view of the same, FIG. 3 is a cross-sectional view taken along line CC of FIG. 2, and FIG.
5 is a perspective view of the electrode piece.

As shown in FIG. 1, a battery housing structure according to the present invention applied to a box-shaped hearing aid has a back surface 1a of a hearing aid main body 1.
And a battery cover 2 that holds the columnar battery B formed from the front side to the side surface 1b, and a battery cover 3 that covers the battery housing portion 2 that is rotatably attached to the hearing aid main body 1 by a hinge.

As shown in FIGS. 1 to 4, the battery housing 2 includes a battery housing 4, a battery escape portion 5, and a pair of electrode pieces 6, 6.
Consists of

The battery housing 4 is a base for mounting and holding the columnar batteries B, and has a cross-sectional shape that is substantially the same as the outer peripheral curved surface of the columnar batteries B. As shown in FIG. 4, an edge 4 a is formed on the side of the battery housing 4 at the boundary between the battery housing 4 and the battery escape portion 5.

The battery escape portion 5 is a concave portion formed deeper on the front surface 1c side of the hearing aid main body 1 than the battery housing 4, and as shown by a chain line in FIG. It is provided in order to enable

As shown in FIG. 5, the electrode pieces 6 and 6 are formed by bending a metal member which is an elastic member, for example, a nickel-plated stainless steel plate, to form a battery contact portion 6a, a case contact portion 6b, and a fixing portion. 6c. 6d is a contact piece for inserting and soldering into the hole of the printed circuit board 7,
Reference numeral 6e denotes a hole for fixing to the printed circuit board 7 with screws 8,8.

As shown in FIG. 4, the electrode pieces 6 and 6 are provided at both ends of the battery housing 2 with the battery contact portions 6a facing each other. The contact pieces 6d, 6d are soldered to the printed circuit board 7, and the fixing portions 6c, 6c are fixed to the printed circuit board 7 by screws 8, 8 passing through the holes 6e. In this state, the facing distance between the battery contact portions 6a, 6a is set slightly shorter than the entire length of the columnar battery B.

The operation of the battery housing structure configured as described above will be described. First, in order to load the columnar battery B into the battery housing portion 2, as shown in FIG. 1, the polarity direction of the columnar battery B is checked, and after matching the polarities of the electrode pieces 6, 6, the columnar battery B is removed. Push in the direction of arrow A.

Then, since the cross-sectional shape of the battery housing 4 has substantially the same curved surface as the outer circumferential curved surface of the columnar battery B, the outer circumferential curved surface of the columnar battery B is in close contact with the battery housing 4 and the columnar battery B is stably mounted. Is placed. At this time, the battery contact portions 6a, 6a of the electrode pieces 6, 6 bend and constantly apply a pressing force to both electrodes of the loaded columnar battery B, so that the columnar battery B is stably held on the battery housing 4. You.

Next, in order to remove the columnar battery B from the battery housing 2, the side surface of the columnar battery B on the battery escape portion 5 side is pushed into the battery escape portion 4. Then, as shown in FIG. 4, with the edge 4 a of the battery housing 4 as a fulcrum, one end of the columnar battery B pushed into the battery escape part 5 side from the electrode piece 6 by the elastic properties of the electrode pieces 6 and 6. Direction, and the other end is separated from the electrode piece 6 in the outward direction. The chain line shown in FIG.
2 shows the columnar battery B in a state where the columnar battery B is detached from the battery.

Therefore, the side surface of the columnar battery B is
The pillar-shaped battery B can be easily taken out simply by pushing the battery B to the side.

In the above embodiment of the present invention, the battery escape portion 5 is provided only on one end side of the battery housing 4. However, battery escape portions 5 may be provided at both ends of the battery housing 4. Thereby, when removing the columnar battery B, it is not necessary to confirm the position where the columnar battery B is pushed in, so that the usability is further improved.

In the above-described embodiment of the present invention, a case has been described in which two electrode pieces 6 having the same shape are used as electrode pieces electrically connected to the columnar battery B. However, the present invention is not limited to this, and it is only necessary to apply a pressing force to the electrodes of the columnar battery B in a state where the columnar battery B is loaded. Therefore, the electrode pieces do not necessarily have to have the same shape.

Further, in the above embodiment of the present invention, the case where the battery housing structure according to the present invention is applied to a box-shaped hearing aid has been described. However, the present invention is not limited to this, and can be applied to other electronic devices as long as the column battery B is used.

[0021]

As described above, according to the present invention, the electrode piece is provided with elastic properties to apply a pressing force to the electrode of the columnar battery, and a battery escape portion is formed at the end of the battery housing. Therefore, if the end of the pillar-shaped battery on the battery escape side is pushed in, the end of the pillar-shaped battery opposite to the pushed-in side protrudes from the battery housing, so that the pillar-shaped battery can be easily removed from the battery housing. .

[Brief description of the drawings]

FIG. 1 is a perspective view of a battery housing structure according to the present invention applied to a box-shaped hearing aid.

FIG. 2 is a plan view of a battery housing structure according to the present invention applied to a box-shaped hearing aid.

FIG. 3 is a sectional view taken along line CC of FIG. 2;

FIG. 4 is a sectional view taken along line DD of FIG. 2;

FIG. 5 is a perspective view of an electrode piece.

FIG. 6 is a perspective view of a conventional battery storage structure.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Hearing aid main body, 2 ... Battery storage part, 3 ... Battery cover, 4 ... Battery storage base, 5 ... Battery escape part, 6 ... Electrode piece, B ... Column-shaped battery.

Claims (1)

[Claims] 1. A battery housing for mounting and holding a columnar battery, a pair of electrode pieces having elastic characteristics provided at both ends of the battery housing, and a battery provided at one or both ends of the battery housing. A battery storage structure comprising an escape portion.