JP2000340960A - Battery case housing structure for electronic device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To eliminate the risk of contact errors between a battery case and an electronic device body, when the former is attached to and detached from the latter as well as when the former is stored in the latter, and to make the attaching and detaching operation quick and easy. SOLUTION: In a battery case housing structure for an electronic device, wherein a battery case 3 is releasably housed in a battery housing case 12 provided in an electronic device body, a terminal holder 13 is provided within the case 12. The holder 13 has a pair of stroke terminals 14 electrically connected to the electronic device body and retractably urged by urging means 17. Further, a terminal cover 8 is also provided at an end part of the case 3. The cover 8 has a pair of terminals 10 at a location more recessed than the surface of the end part. Thus, when the case 3 is put in the case 12, the terminals 14 are brought into pressure contact with the terminals 10 of the cover 8.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a structure for storing a battery case for storing dry batteries and rechargeable batteries used in electronic equipment.

[0002]

2. Description of the Related Art Conventionally, dry batteries and rechargeable batteries are used as power supplies in small-sized electronic devices, and these dry batteries and rechargeable batteries are mounted on a main body of the electronic device while being housed in a battery case.

As a battery case for accommodating a dry battery or a rechargeable battery, for example, Japanese Patent Application Laid-Open No. 58-147163,
The one described in JP-A-6-215743 is known.

The battery case housing structure disclosed in the former publication has a battery terminal d attached to a power cable c extending from a battery housing portion b of an electronic device a as shown in FIGS. female snap terminal protruding from d
After connecting the snap terminals h and i of the battery case g to the male snap terminals f, respectively, the battery case g is housed in the battery housing part b of the battery device a.
In addition, q shows a cover.

On the other hand, in the battery case housing structure of the latter publication, one end of a battery pack m is fitted into a fitting recess k formed in a small electronic device main body j against an elastic body n as shown in FIG. And the claw o formed on the other end side of the battery pack m is engaged with a concave portion p formed at a position facing the fitting concave portion k. Since the nail o of the battery pack m is pressed against the concave portion p, the battery pack m is not dropped from the small electronic device body j.

[0006]

However, in the battery case storage structure shown in FIGS. 5 and 6, when the snap terminals e and f of the battery terminal d are connected to the snap terminals h and i of the battery case g, the battery terminals are erroneously connected. + And-may be brought into reverse contact, resulting in a short circuit and damage to the electronic device a.

Further, since the battery terminal d is attached to the power supply cable c, there is also a problem that the power supply cable c is disconnected during repeated replacement of the battery and power cannot be supplied to the electronic device a.

Further, the battery terminal d provided with the snap terminals e and f is repeated with the snap terminals h and i of the battery case g.
The female snap terminals e, i are plastically deformed and open, causing poor contact with the male snap terminals f, h, and the operation of the electronic device a becomes unstable. There is also a problem that the power supply is not supplied at all.

On the other hand, in the battery case storage structure of the latter publication,
Since the fitting recess k and the recess p with which the claw o engage are provided on the side of the small electronic device body j, the structure is complicated, and after inserting one end of the battery pack m into the fitting recess k, the battery Since an operation such as rotating the other end of the pack m and further sliding is required, there is a problem that the attaching / detaching operation of the battery pack m is complicated and time-consuming.

The present invention has been made in order to improve such a conventional problem, and there is no fear of erroneous contact when attaching or detaching a battery case to or from an electronic device body, and the attaching / detaching operation is easy in a short time. It is an object of the present invention to provide a battery case storage structure for an electronic device that can be easily operated.

[0011]

According to the present invention, in order to achieve the above object, a terminal holder having a stroke terminal urged by a biasing means so as to be retractable is provided in a battery storage case provided in an electronic device body. Also, on the battery case side, a terminal cover having a terminal connected to the stroke terminal when the battery case is housed in the battery storage case is provided, so that the attaching / detaching operation of the battery case can be easily performed in a short time, The terminals provided on the terminal cover are dented from the end face so that the terminals are not short-circuited even when the battery case contacts the conductor.

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The invention according to claim 1 of the present invention relates to a battery case storage structure of an electronic device in which a battery case is detachably stored in a battery storage case provided in the electronic device body. A terminal holder having a pair of stroke terminals electrically connected to the inside of the electronic device main body and urged to be retractable by an urging means is provided in the battery storage case, and an end face is provided at an end of the battery case. A terminal cover having a pair of terminals is provided at a more depressed position, and when the battery case is stored in the battery storage case, the stroke terminal is pressed against the terminal of the terminal cover.

According to the above configuration, when the battery case is attached to or detached from the battery storage case or when the battery case is stored, even if the conductor is accidentally touched, the terminals are dented from the end face of the battery case. No short circuit.

Further, since the battery can be mounted only by inserting the battery case into the battery storage case, the work of attaching and detaching the battery can be easily performed in a short time.

According to a second aspect of the present invention, the head of the stroke terminal provided on the terminal holder is formed in a tapered shape.

According to the above configuration, when the battery case is inserted into the battery storage case, the corner of the battery case presses the tapered portion of the stroke terminal to immerse the head into the terminal holder, so that the operation of inserting the battery case is smooth. Can be done.

According to a third aspect of the present invention, the terminal cover is provided with a projection for preventing reverse insertion of the battery case by fitting the notch into the notch of the battery case. is there.

According to the above configuration, since the protrusion for preventing reverse insertion of the battery case is fitted into the notch of the battery storage case and the battery case is inserted into the battery storage case, the battery case is not reversely inserted.

According to a fourth aspect of the present invention, a dry battery is housed in a battery case.

According to the above configuration, even when the battery runs out during use of the electronic apparatus. By using commercially available batteries,
Since the electronic device can be used continuously, the electronic device can be used without worrying about running out of the battery.

According to a fourth aspect of the present invention, the battery case is a chargeable rechargeable battery pack.

According to the above configuration, even if the battery runs out, the battery can be reused by charging, so that it is more economical than a dry battery.

Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings shown in FIGS.

FIG. 1 is an exploded perspective view showing a battery case housing structure, FIG. 2 is a cross-sectional view of the battery case housing structure, and FIG. 3 is a perspective view showing a state where a battery case of the electronic device housing structure provided in the electronic device is removed. It is.

In FIG. 3, reference numeral 1 denotes an electronic equipment main body, 2 denotes a battery housing provided in the electronic equipment main body 1, and 3 denotes a battery case.

The battery case has a structure in which a plurality of, for example, four, commercially available dry batteries 4 can be stored, and a female terminal 5a and a power supply snap terminal 5 composed of a male terminal 5b are provided at one end. On the inner surfaces of the battery case 5 which are protruded and which face each other, a connection terminal 6 comprising a contact plate 6a and a contact spring 6b for connecting the plurality of stored dry batteries 4 in series is provided.

The snap terminal 5 of the battery case 3
A terminal cover 8 is attached to the protruding end surface by a fixing tool 7 such as a screw.
Is fixed.

The terminal cover 8 is formed of an insulating material such as a resin to have a size substantially the same as the end face of the battery case 3.
A protrusion 8c for preventing reverse insertion of the battery case 3 is fitted to the notch 12c formed on the side surface of the battery case 3, and a position matching the snap terminal 5 of the battery case 3 is provided. In addition, a pair of terminal holes 9 larger in diameter than the snap terminal 5 are opened.

The terminal hole 9 is formed by a large diameter portion 9a and a small diameter portion 9b, and a pair of terminals 10 made of a conductor are fitted into the terminal hole 9 from the large diameter portion 9a side.

One end surfaces of these terminals 10 are formed in a female type and a male type, respectively, and are accommodated in the terminal holes 9 of the terminal cover 8 while being fitted to the snap terminals 5 of the battery case 3, respectively. The other end surface of each terminal 10 is a flat surface 10a, and is exposed from the small-diameter portion 9b so as to be recessed one step from the outer surface of the terminal cover 9.

The battery housing section 2 provided in the electronic apparatus main body 1 is constituted by a battery housing case 12 having an open upper surface.

A block-shaped terminal holder 13 is housed inside one end of the battery housing case 12, and is fixed to an inner end surface of the battery housing case 12 by a fixing member 18.

The terminal holder 13 has a pair of recesses 13 a at positions corresponding to the terminals 10 provided on the terminal cover 8.
Are formed, and a stroke terminal 14 made of a conductor is accommodated in the recess 13a.

The stroke terminal 14 comprises a tapered head portion 14a having a gradually decreasing diameter on the terminal 10 side, and a shaft portion 14b protruding from the large diameter end surface. The shaft portion 14b is located at the center of the recess 13a. Is slidably fitted in a mounting hole 13b protruding from the battery housing case 1 at the tip end.
2 protrudes into the electronic device main body 1 through a long hole-shaped opening 12b opened at the end face, and a lead wire 15
A stopper 16 made of a ring is attached.

In the recess 13a, a biasing means 17 composed of a coil spring for biasing the stroke terminal 14 toward the battery case 3 is accommodated. The terminal 8 is pressed into contact with the terminal 10.

In FIG. 3, reference numeral 20 denotes a cover detachably attached to the opening 12a of the battery storage case 12.

Next, the operation of the battery case housing structure thus configured will be described.

In storing the batteries in the battery storage section 2, first, the cover 20 covering the opening 12b of the battery storage case 12 is removed, and the battery case 3 is taken out from the battery storage case 12, and the battery case 3 is removed. A plurality of dry batteries 4 are stored in a predetermined order.

When the battery case 3 is removed from the battery storage case 12, the terminals 10 provided in the terminal cover 8 are removed.
The flat surface 10a is recessed one step from the outer surface of the terminal cover 8, so that even if the battery case 3 erroneously touches a conductor when the battery case 3 is attached or detached or stored, there is no fear that the terminals 10 are short-circuited. .

The battery case 3 is replaced by the battery case 3.
In a state where the terminal is removed, the distal end of the stroke terminal 14 provided in the battery storage case 12 is in a state of being protruded from the outer surface of the terminal holder 13 by the urging force of the urging means 17.

Next, with the protrusion 8a for preventing reverse insertion of the terminal cover 8 fixed to the battery case 3 and the notch 12a formed on the side surface of the battery case 12, the battery is inserted into the battery case 12. When the case 3 is inserted, the corner of the terminal cover 8 fixed to the battery case 3 comes into contact with the tapered surface 14 c of the stroke terminal 14. Since the head 14 a of the stroke terminal 14 is pushed into the recess 13 a of the terminal holder 13, the battery case 3 can be stored in the battery storage case 12 without resistance.

The battery case 3 is inserted into the battery case 12.
Is stored, the stroke terminal 14 is pressed into contact with the flat surface 10a of each terminal 10 provided in the terminal cover 8 by the urging force of the urging means 17, so that the dry battery 4 in the battery case 3 and the electronic device body 1 Electronic circuit (not shown) can be electrically connected via the lead wire 15.

In the above embodiment, the case where the battery case 3 containing the dry batteries 4 is stored in the battery storage case 12 has been described. However, in the case of the battery pack 19 in which the rechargeable batteries are packaged as shown in FIG. Has the same effect.

That is, the charging terminal 19c is connected to the end face 1 through the opening 19b opened in the end face 19a of the rechargeable battery pack 19.
9a, it is previously indented and exposed.

When the rechargeable battery pack 19 is detached from the battery storage case 12, even if the rechargeable battery pack 19 comes into contact with a conductor, there is no short circuit between the charging terminals 19c. When the rechargeable battery pack 19 is stored in the battery storage case 12 while the replacement and storage can be performed safely, the corner of the rechargeable battery pack 19 becomes the tapered surface 14 c of the stroke terminal 14 similarly to the case of the dry battery case 3.
And the head 14a of the stroke terminal 14 is pushed into the recess 13a of the terminal holder 13, so that it can be easily mounted in the battery storage case 12 without any resistance.

[0046]

As described in detail above, according to the present invention, a terminal holder having a retractable stroke terminal is provided in a battery storage case provided in an electronic apparatus main body, and a terminal holder is provided at a position recessed from an end face on a battery case side. Since the terminal cover with terminals is provided, even if the battery case is attached or detached or the battery case is stored, even if it accidentally touches a conductor, the terminals are dented from the end face of the battery case. There is no short circuit, and the battery can be mounted simply by inserting the battery case into the battery storage case, so that the battery can be easily attached and detached in a short time.

Since no power cable or the like is used,
Even if the battery is replaced repeatedly, there is no risk of disconnection and no operation such as connecting the battery terminal to the snap terminal of the battery case is required, so the battery terminal may be deformed during the repeated battery replacement. There is no need to worry about poor contact.

Further, since the head of the stroke terminal provided on the terminal holder is formed in a tapered shape, when the battery case is inserted into the battery storage case, the corner of the battery case presses the tapered portion of the stroke terminal and the head is pressed. The battery case can be inserted smoothly into the terminal holder, so that the battery case can be inserted into the notch of the battery storage case. Since the protrusion is provided, it is possible to prevent a problem such as damage to a circuit in the electronic device due to reverse insertion of the battery case.

Further, if a dry battery is stored in the battery case, the battery may run out during use of the electronic device. By using commercially available batteries, you can continue to use electronic devices, so you can use electronic devices without worrying about running out of batteries, and if you use a rechargeable battery pack that can charge the battery case Even if the battery runs out, it can be reused by charging, which is economical.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view showing a battery case housing structure of an electronic device according to an embodiment of the present invention.

FIG. 2 is a sectional view showing a battery case storage structure of the electronic device according to the embodiment of the present invention;

FIG. 3 is a perspective view of the electronic apparatus according to the embodiment of the present invention in a state where a battery case of a battery case storage structure is removed.

FIG. 4 is a perspective view showing a state where a battery case of a battery case storage structure of an electronic device according to another embodiment of the present invention is removed.

FIG. 5 is a perspective view of a battery terminal used for a battery case storage structure of a conventional electronic device.

FIG. 6 is an exploded perspective view of a conventional battery case storage structure of an electronic device.

FIG. 7 is a cross-sectional view of a conventional battery case housing structure of an electronic device.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Electronic device main body 2 Battery storage part 3 Battery case 4 Dry battery 5 Snap terminal 5a Female terminal 5b Male terminal 6 Connection terminal 6a Contact plate 6b Contact spring 7 Fixing device 8 Terminal cover 8a Projection for reverse insertion prevention 9 Terminal hole 9a Large Diameter part 9b Small diameter part 10 Terminal 10a Flat surface 12 Battery storage case 12a Notch 12b Opening 13 Terminal holder 13a Recess 13b Mounting hole 14 Stroke terminal 14a Head 14b Shaft 14c Tapered surface 15 Lead wire 16 Stopper 17 Biasing means 18 Fixing device 19 Rechargeable battery pack 19a End face 19b Opening 19c Charging terminal 20 Cover

 ──────────────────────────────────────────────────続 き Continuing from the front page (72) Inventor Kazuhiro Ozawa 4-3-1 Tsunashima Higashi, Kohoku-ku, Yokohama, Kanagawa Prefecture Inside Matsushita Communication Industrial Co., Ltd. (72) Inventor Hiroya Inose Tsunashima-Higashi, Kohoku-ku, Yokohama, Kanagawa Prefecture 4-3-1, Matsushita Communication Industrial Co., Ltd. (72) Inventor Masanori Asano 4-3-1 Tsunashimahigashi, Kohoku-ku, Yokohama-shi, Kanagawa Prefecture F-term in Matsushita Communication Industrial Co., Ltd. 4E360 FA02 FA12 GA44 GA46 GB99 5H020 AA01 AS06 CC06 DD02 DD06 KK03 KK06

Claims (5)

[Claims] In a battery case storage structure of an electronic device in which a battery case is detachably stored in a battery storage case provided in an electronic device main body,
A terminal holder having a pair of stroke terminals electrically connected to the inside of the electronic device main body and urged to be retractable by urging means; and a pair of terminal holders at an end of the battery case at a position depressed from an end surface. A battery case storing structure for an electronic device, wherein when the battery case is housed in the battery housing case, the stroke terminal is pressed against the terminal of the terminal cover. . 2. The battery case housing structure for an electronic device according to claim 1, wherein the head of the stroke terminal provided on the terminal holder is formed in a tapered shape. 3. The battery according to claim 1, wherein the terminal cover is provided with a projection for preventing reverse insertion of the battery case by being fitted into a notch of the battery storage case. Case storage structure. 4. The battery case storage structure for an electronic device according to claim 1, wherein a dry battery is stored in the battery case. 5. The structure according to claim 1, wherein the battery case is a rechargeable battery pack capable of charging the battery case.