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JP3021847

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DESCRIPTION JP3021847
[0001]
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a
battery storage device, and more specifically, it stores not only batteries of a specific shape, but
also batteries of different shapes, for example, different in outer diameter and axial length. The
present invention relates to a battery storage device that can be used.
[0002]
2. Description of the Related Art Most of batteries are standardized. For example, in the case of
wireless microphones, AA or AAA primary or AAA batteries are usually size-wise accommodated
in their grips. Secondary batteries are used.
[0003]
However, it is used without charge for a long time despite relatively large power consumption,
such as infrared wireless microphones for karaoke in particular, and the charging time is
restricted until the next lending time. If it becomes, in consideration of the battery capacity,
charging characteristics, etc., a special non-standard battery pack 1 as illustrated in FIG. 4A may
be required.
The single and single secondary batteries can not be applied to wireless microphones because of
their size and weight.
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1
[0004]
The battery pack 1 introduced here, for example, has a diameter larger than that of an AA
battery, but heat shrinks in a state where two cylindrical secondary batteries 2 and 3 having a
short axial length are connected in series. It is comprised from what was integrally connected by
the sex sleeve 4. As shown in FIG. Therefore, in the grip of the microphone, a battery storage case
of a size capable of storing the battery assembly 1 is provided.
[0005]
However, because such a battery pack 1 is special, it is difficult to quickly replenish it in the
event of breakdown or loss unless it is in stock.
[0006]
Assuming such a case, normally, as shown in FIG. 4 (b), the outer diameter is a pair so that, for
example, AA battery 5 closest to the shape can be substituted. The cylindrical spacer 6 equal to
the battery 1 may be prepared as an optional part, but this has the following problems.
[0007]
That is, as the thickness (outside diameter), although this spacer 6 can certainly cope, it can not
cope with the difference in axial length.
Moreover, since this spacer 6 is an optional part to the last, it will be easy to lose if it removes
from packaging.
Furthermore, it takes time and effort to attach the spacer 6 to the battery 5 as a substitute
product even if it is not lost.
[0008]
Such a problem is not limited to the case where any of the above-mentioned special assembled
batteries 1 is adopted, and when it is intended to use commercially available standardized
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2
batteries in a compatible manner, for example, AA. It is also a problem that has arisen when
trying to substitute a hand-held variant battery, for example, a flat-angle tubular battery called a
"gum battery" when the battery of the type is exhausted.
[0009]
The present invention has been made to solve such conventional problems, and its purpose is to
load and use any battery other than the battery originally intended to be used. It is providing the
battery storage apparatus which enabled it to be possible.
[0010]
SUMMARY OF THE INVENTION In order to achieve the above object, according to the invention
of claim 1, there is formed a battery storage portion in which the upper surface is opened and in
which at least one cylindrical battery is stored. In a battery storage device having a battery case
having a positive electrode lead-out terminal and a negative electrode lead-out terminal on
opposite end walls of the same battery storage part, the negative electrode lead-out terminal side
of the battery storage part An adapter holder slidable along the battery storage direction; and a
conductive metal spring for biasing the adapter holder toward the positive electrode lead
terminal, and the adapter holder is provided with the metal A relay terminal electrically
connected to the negative electrode lead-out terminal through a spring is provided.
[0011]
As described above, since the adapter holder having the relay terminal is biased by the metal
spring toward the positive electrode lead-out terminal side, it is possible to use a different shaped
battery having different axial lengths within the allowable sliding range of the adapter holder. It
can correspond.
[0012]
According to a second aspect of the present invention, there is provided a guide groove formed
along the battery storage direction between the battery case and the adapter holder, and a slide
in engagement with the guide groove. It is characterized in that a guiding and holding means is
provided which consists of possible engaging claws.
[0013]
According to this, since the adapter holder is held in the battery case by the guide holding means,
there is no possibility that the adapter holder will be accidentally dropped from the battery case
and lost, and the battery can be assembled. It will be easier.
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3
[0014]
According to a third aspect of the present invention, the adapter holder includes a bottom
substrate facing the positive electrode lead terminal, and a cylindrical battery of a specific shape
extending from the periphery of the bottom substrate toward the positive electrode lead terminal.
The relay terminal, the relay terminal including a first contact disposed on the bottom substrate
and a second contact exposed to the open end face of the sleeve And is characterized.
[0015]
According to this, the cylindrical battery of a specific shape (for example, AA battery) is disposed
between the positive electrode lead-out terminal of the battery case and the bottom substrate of
the adapter holder, and the negative battery terminal is the relay terminal. Contact with the first
contact.
On the other hand, in the case of another modified battery (for example, a special assembled
battery), the negative battery terminal side is in contact with the open end face of the adapter
holder without being inserted into the sleeve of the adapter holder and makes contact with the
second contact It will be done.
[0016]
According to a fourth aspect of the present invention, the first contact and the second contact are
formed of a single metal plate, and according to this, the relay terminal is an adapter. It can be
easily incorporated into the holder.
[0017]
According to the invention of claim 5, the second contact is arranged at an interval of 180
degrees at the open end face of the sleeve so as to be compatible with the negative electrode
terminal of the flat rectangular cylindrical battery. According to this, not only cylindrical batteries
but also flat rectangular cylindrical batteries called so-called gum batteries can be used.
[0018]
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4
BEST MODE FOR CARRYING OUT THE INVENTION Next, in order to better understand the
technical concept of the present invention, an embodiment thereof will be described.
FIG. 1 is an exploded perspective view of the battery storage device 10, and FIG. 2 is a crosssectional view of the battery storage device 10 in an assembled state.
The battery storage device 10 is intended to be stored in the grip of the wireless microphone.
[0019]
According to this, this battery storage device 10 is provided with a battery case 11 consisting of
an elongated box whose upper surface is open.
In this example, one special battery pack 1 and two AA batteries 5 described above with
reference to FIG. 4 can be used interchangeably. A battery storage portion 12 having a length
sufficient to store AA batteries 5 in series and having a width corresponding to the outer
diameter of special assembled battery 1 is provided.
[0020]
A positive electrode lead-out terminal 13 is provided on one end wall opposite to the length
direction of the battery storage portion 12, and a negative electrode lead-out terminal 14 is
provided on the other end wall.
These terminals 13 and 14 may be known ones.
Note that notches 11a and 11a for facilitating the removal of the battery from the inside of the
battery storage portion 12 are formed on the both sides of the battery case 11 near the positive
electrode lead terminal 13 side. Tongue-like holding pieces 11b and 11b formed so as to
elastically hold the special assembled battery 1 stored in the battery storage portion 12 are
provided at substantially intermediate portions of both side walls.
01-05-2019
5
[0021]
An adapter holder 15 is provided slidably along the length direction of the battery storage unit
12 near the negative electrode lead-out terminal 14 in the battery storage unit 12.
According to this example, the adapter holder 15 includes a bottom substrate 15a facing the
positive electrode lead terminal 13, and a sleeve 15b formed to extend from the periphery of the
bottom substrate 15a to the positive electrode lead terminal 13 side. ing.
[0022]
In this case, the sleeve 15b has a bowl shape and is formed to receive only a specific cylindrical
battery, in this example, the AA battery 5 and a cylindrical battery having an outer diameter
smaller than that in this example. Therefore, the special assembled battery 1 having an outer
diameter larger than that of the AA type battery 5 comes in contact with the open end face 15c
of the sleeve 15b.
[0023]
Between the adapter holder 15 and the battery case 11, a guide holding means 16 is provided for
holding the adapter holder 15 on the battery case 11 in a slidable state.
In this example, the guide holding means 16 is composed of a guide groove 16a formed on the
battery case 11 side and an engaging claw 16b formed on the lower edge of the sleeve 15b.
[0024]
Although only one guide groove 16a and one engagement claw 16b are shown in FIG. 1, in
practice, the guide groove 16a and the engagement claw 16b are provided in a left-right pair,
respectively. By forcibly pushing the adapter holder 15 into the battery housing portion 12, the
engaging claws 16b, 16b are engaged with the corresponding guide grooves 16a, 16a with
elastic deformation. There is.
[0025]
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6
The adapter holder 15 is provided with a relay terminal 17 for pulling out the negative electrode.
The relay terminal 17 includes a first contact 17a attached to the bottom substrate 15a and a
second contact 17b disposed on the open end face 15c of the sleeve 15b.
[0026]
In this case, the first contact 17a and the second contact 17b are formed by a single metal plate,
and the first contact 17a is formed substantially in a circular shape, The second contact 17b is
formed in a strip shape, and is drawn around the inner surface of the sleeve 15b and then
exposed to the open end face 15c.
Here, as shown in FIG. 2, the first contact 17a is folded back along the back surface side (the
negative electrode lead terminal 14 side) of the bottom substrate 15a.
[0027]
In the negative electrode lead-out terminal 14, a conductive metal spring 18 which elastically
urges the adapter holder 15 toward the positive electrode lead-out terminal 13 and which
electrically contacts the first contact 17a is provided. It is attached.
Therefore, the relay terminal 17 is held in conduction with the negative electrode lead terminal
14 through the metal spring 18.
[0028]
In the configuration described above, in the state where the battery is not stored, the adapter
holder 15 is placed at the position most biased toward the positive electrode lead-out terminal 13
by the metal spring 18. In this state, when the special assembled battery 1 is put into the battery
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storage portion 12, the positive electrode battery terminal 1a contacts the positive electrode
lead-out terminal 13, and the negative battery terminal 1b contacts the opening end surface 15c
of the sleeve 15b. While pushing back 15 against the metal spring 18, it makes electrical contact
with the second contact 17b exposed at the open end face 15c.
[0029]
Thus, the negative electrode battery terminal 1b of the special battery pack 1 is brought into
conduction with the negative electrode lead-out terminal 14 through the relay terminal 17 and
the metal spring 18, whereby a microphone unit not shown from the special battery pack 1 is
shown. Power is supplied to the
[0030]
In this example, the negative electrode battery terminal 1b of the special assembled battery 1 is
exposed cylindrically from the electrically insulating sleeve 4, and correspondingly, the negative
electrode terminal 1b is attached to the bottom of the battery housing portion 12 The charge
terminal (negative electrode side) 19 which consists of a leaf ¦ plate spring which contacts the
battery terminal 1b is provided.
[0031]
That is, the charging terminal 19 is connected to a charging circuit (not shown) via a circuit
board 20 attached to the bottom of the battery case 11, and charging of the special battery pack
1 is performed by using the special battery pack 1. In the state of being stored in the battery
storage portion 12, the charging circuit is carried out through the positive electrode lead-out
terminal 13 and the negative electrode side charging terminal 19.
[0032]
On the other hand, when the special assembled battery 1 can not be used due to undercharging
or failure, as a substitute for it, as shown by the phantom line in FIGS. Use this.
The AA battery 5 is received in the sleeve 15 b of the adapter holder 15, so the negative battery
terminal 5 b of one AA battery 5 relays the adapter terminal 15 against the metal spring 18
while slightly pushing it back. It will be in contact with the seventeen first contacts 17a.
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[0033]
In this case, the AA battery 5 is smaller in outer diameter than the special assembled battery 1
and thus is not held by the sandwiching pieces 11b and 11b of the battery case 11, but two AA
batteries 5 are metal. Since the negative battery terminal 5b side of one AA battery 5 is covered
with the sleeve 15b while being pressed against the positive electrode lead-out terminal 13 by
the spring 18, there is no fear of being easily detached from the battery storage portion 12.
[0034]
Thus, according to this battery storage device, the AA battery 5 can be used as a substitute for
the special assembled battery 1.
Even if a secondary battery is used as the AA battery 5, this battery storage device can not be
charged from the charging terminal 19.
[0035]
FIG. 3 shows an example adapted to be compatible with a flat rectangular cylindrical battery 21
called a so-called gum battery.
In this case, the sleeve 15b of the adapter holder 15 is formed in a portal shape so as to obtain a
stable contact state with the flat rectangular cylindrical battery 21.
[0036]
Correspondingly, the second contacts 17b of the relay terminal 17 are bifurcated into two
branches, each of which is arranged horizontally on each leg of the open end face 15c of the
sleeve 15b at an interval of 180 degrees. Be done.
Therefore, when the flat rectangular cylindrical battery 21 is used, the negative battery terminal
is brought into second contact with the relay terminal 17 by placing the battery 21 sideways as
shown in FIG. It will contact child 17b, 17b.
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[0037]
Although the above-mentioned example is about the case of using a special assembled battery,
AA battery and flat rectangular cylindrical battery in a compatible manner, the present invention
is not limited to this, for example, a single battery. The present invention is applicable to any type
of cylindrical battery of type to size AAA.
[0038]
As described above, according to the present invention, the following effects can be achieved.
That is, according to the invention of claim 1, since the adapter holder having the relay terminal
is biased by the metal spring toward the positive electrode lead terminal side, the axial length is
within the allowable sliding range of the adapter holder. It can correspond to different variant
batteries.
[0039]
According to the second aspect of the invention, since the adapter holder is held in the battery
case by the guide holding means, there is no possibility that the adapter holder may be
accidentally dropped from the battery case and lost. In addition, the time and effort for
incorporating the battery is simplified.
[0040]
According to the third aspect of the present invention, the cylindrical battery (for example, AA
battery) of a specific shape is disposed between the positive electrode lead terminal of the
battery case and the bottom substrate of the adapter holder, and the negative electrode thereof.
The battery terminal contacts the first contact of the relay terminal.
On the other hand, in the case of another modified battery (for example, a special assembled
battery), the negative battery terminal side is in contact with the open end face of the adapter
holder without being inserted into the sleeve of the adapter holder and makes contact with the
second contact In any case, good electrical contact is obtained.
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[0041]
According to the invention of claim 4, by forming the first contact and the second contact of the
relay terminal by a single metal plate, the relay terminal can be obtained inexpensively, and the
relay The terminal itself can be easily incorporated into the adapter holder.
[0042]
According to the invention of claim 5, the second contact of the relay terminal is arranged at an
interval of 180 degrees at the opening end face of the sleeve so as to be compatible with the
negative electrode battery terminal of the flat rectangular cylindrical battery. Thus, not only
cylindrical batteries but also flat rectangular cylindrical batteries called so-called gum batteries
can be used.
[0043]
Brief description of the drawings
[0044]
1 is an exploded perspective view showing an embodiment of the battery storage device of the
present invention.
[0045]
2 is a cross-sectional view of the battery storage device according to the same embodiment
[0046]
FIG. 3 is a perspective view of an essential part of another embodiment of the present invention
adapted to cope with a flat rectangular cylindrical battery.
[0047]
Fig. 4 is a perspective view showing a special assembled battery to be used in an embodiment of
the present invention and an AA battery in comparison.
[0048]
Explanation of sign
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[0049]
DESCRIPTION OF SYMBOLS 1 special assembled battery 5 AA battery 10 battery storage device
11 battery case 12 battery storage portion 13 positive electrode extraction terminal 14 negative
electrode extraction terminal 15 adapter holder 15 a bottom substrate 15 b sleeve 16 holding
guide means 17 relay terminal 17 a first contact 17 b Second contact 18 metal spring 19 charge
terminal (negative electrode side) 20 circuit board 21 flat rectangular cylindrical battery
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