JP2002093394A - Battery housing device for electronic apparatus - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a battery housing device for an electronic apparatus with which there is no risk of reverse insertion of a battery into a battery housing room. SOLUTION: With the battery housing device for an electronic apparatus with a lid 10 fitted at a battery putting-in and taking-out opening 2a of a battery housing room 4 equipped inside a case body 1, a battery guide 4c is set up in the battery housing room 4, on the one hand, for preventing a reverse insertion of a battery 5 by contacting with the slanted sides of the battery 5 with its end face formed nearly in parallelepiped shaped, and a battery- pressing piece 4e is set up, on the other, at a location opposite to the battery guide 4c across the battery housing room 4, for elastically pressing the battery 5 housed in the battery housing room 4 toward the battery guide 4c. Therefore, since the battery 5 can in no way be inserted in reverse by mistake into the battery housing room 4, there is no fear of a cable 6, a connector 7 or the like suffering from an undue force and being broken with it.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a battery storage device for electronic equipment such as a charger.

[0002]

2. Description of the Related Art Conventionally, electronic equipment such as a charger for charging a NiCd (Ni, Cd) battery or the like is provided with a battery storage device as shown in FIGS. 6 to 8, for example.

In the conventional battery storage device, a battery storage chamber d is formed in a case body c including an upper case a and a lower case b, and a battery e is stored in the battery storage chamber d. .

A lid f is detachably mounted above the battery storage chamber d so as to cover a battery access port k opened in the upper case a, and an upper case is attached to an end of the lid f. a
And a cushion body h for preventing the battery e stored in the battery storage chamber d from rattling is adhered to the inner surface of the lid f. ing.

The battery e stored in the battery storage chamber d
Has a plurality of cells in a pack, and a cable i extending from the battery e is connected to a charging circuit (not shown) provided in the case body c via a connector j.

[0006]

However, in the battery storage device of the above-mentioned conventional electronic equipment, when the packed battery e is stored in the battery storage chamber d, the battery e is erroneously inserted upside down (a so-called “battery”). In the case of reverse insertion), the length of the cable i becomes insufficient, and an excessive force is applied to the connection portion between the cable i and the battery e and the connection portion between the cable i and the connector j. There are problems such as peeling, resulting in connection failure, and excessive force applied to the cable i, which may cause disconnection.

Further, the battery e is fixed by the cushion h so that the battery e does not rattle in the battery housing d. However, the provision of the cushion h increases the number of parts, thereby increasing the cost. There is also.

SUMMARY OF THE INVENTION The present invention has been made to solve such a conventional problem, and does not inadvertently reversely insert a battery into a battery accommodating chamber of a case body and does not use a cushion to play a battery. It is an object of the present invention to provide a battery storage device for an electronic device that can prevent sticking.

[0009]

In order to achieve the above object, in a battery storage device for an electronic device according to the present invention, a lid is removably attached to a battery opening of a battery storage room provided in a case body. A battery storage device for an electronic device, wherein a battery guide for preventing reverse insertion of the battery is provided in the battery storage chamber by contacting an oblique side of the battery with an end face formed in a substantially parallelogram, A battery holding piece is provided at a position facing the battery guide with the battery storage room interposed therebetween, the battery holding piece elastically pressing the battery stored in the battery storage chamber in the battery guide direction.

With the above structure, even if the battery is to be reversely inserted into the battery storage chamber, the battery guide prevents the battery from being inserted. Therefore, the battery is not reversely inserted into the battery storage chamber. No excessive force is applied to the connection part or the connection part between the cable and the connector.Therefore, the solder at the connection part does not come off and connection failure does not occur, and no excessive force is applied to the cable. There is no break in the cable.

Since the battery is sandwiched between the battery guide and the battery pressing piece, the battery does not rattle in the horizontal direction in the battery storage room.

In order to achieve the above object, a battery storage device for an electronic device according to the present invention is provided with an erroneous insertion preventing rib for preventing erroneous insertion of a battery on an inner surface of a lid.

According to the above configuration, when the battery is inserted reversely into the battery compartment, the lid cannot be attached to the battery door, so that the battery can be prevented from being reversely inserted into the battery compartment.

In order to achieve the above object, a battery storage device of an electronic device according to the present invention is provided with a cutout on a side wall of the battery storage chamber, into which a finger is inserted when a battery is taken out of the battery storage chamber.

According to the above configuration, the battery can be easily taken out of the battery compartment.

[0016]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described in detail with reference to the drawings shown in FIGS.

FIG. 1 is a perspective view showing a state where a battery is stored in an electronic device such as a charger, FIG. 2 is a plan view showing a state where a battery is stored in a battery storage room, and FIG. 3 is a view from the direction of arrow A in FIG. Arrow view,
FIG. 4 is a cross-sectional view taken along the line BB of FIG. 2, and FIG. 5 is an explanatory diagram when a battery is erroneously inserted into a battery storage chamber in an up-down direction.

The case body 1 of the charger is composed of a case 3 serving as an upper case 2 and is integrally formed of resin, and is integrated with each other by a fixing member 12.

A battery compartment 4 is formed in the case body 1, and a battery outlet 2a is formed on the upper surface of the battery compartment 4 by opening a part of the upper case 2. A rechargeable battery 5 such as a NiCd battery is stored in the battery storage chamber 4 through the battery inlet / outlet 2a.

The battery 5 is formed by packing a plurality of cells. The end face of the battery 5 is formed in a substantially parallelogram. A connector 7 attached to the tip of a cable 6 extending from the battery 5 is connected to the case body 1. The battery 5 is connected to a charging circuit (not shown) by being connected to a connector 9 mounted on a printed circuit board 8 housed therein.

Partition walls 4a and 4b are provided in the battery storage chamber 4 to sandwich the batteries 5 stored in the battery storage chamber 4 from both sides, and one of the partition walls 4a has a substantially intermediate portion. A battery guide 4c protrudes.

The battery guide 4c is provided to prevent the battery 5 from being erroneously inserted into the battery storage chamber 4 and is formed by a substantially triangular rib projecting toward the battery storage chamber 4. The hypotenuse portion 4d is formed at substantially the same angle as the hypotenuse portion 5d of the battery 5, and the hypotenuse portion 4d becomes the hypotenuse portion 5d of the battery 5 only when stored in a correct orientation as shown in FIG.
d.

At the upper end of the other partition wall 4b, a pair of elastic battery pressing pieces 4e are protruded.

These battery holding pieces 4e have elasticity in the center direction of the battery storage chamber 4, and have an inclined surface 4f formed on a surface facing the battery 5 stored in the battery storage chamber 4.
By pressing the upper part of the battery 5 with these inclined surfaces 4f, the battery 5 is prevented from rattling in the battery storage chamber 4 in the horizontal direction.

On the other hand, in the side wall 2b of the upper case 2 provided on the side of the battery storage room 4, a substantially semicircular notch 2c into which a finger is inserted when the battery 5 stored in the battery storage room 4 is taken out.
Are provided, and locking recesses 2d are formed on both sides of the notch 2c so that the locking pieces 10a of the lid 10 provided to cover the battery door 2a are engaged.

The lid 10 is provided on both sides with a battery door 2a.
Is detachably attached to the battery access opening 2a by sliding along both side surfaces of the cover 10 and a locking claw that engages with a locking recess 2e formed in the partition wall 4a at the front end of the lid 10. 10b and, on both sides thereof, a locking projection 10c that fits into a locking hole 4g formed in the partition wall 4a.

The inside of the cover 10 prevents the battery 5 stored in the battery storage portion 4 from rattling in the vertical direction, and prevents the battery 5 from being erroneously inserted into the battery storage chamber 4 by mistake. For example, two erroneous insertion prevention ribs 10d are provided to prevent the erroneous insertion.

Next, the operation of the battery storage device for an electronic device having the above-described configuration will be described.

The battery 5 is stored in the battery storage chamber 4 in the case body 1.
In storing the cover 10, first, the cover 10 is slid in a direction opposite to the mounting direction while pressing the vicinity of the locking claw 10b of the cover 10, and the cover 10 is removed.

Next, when the connector 7 of the cable 6 extended from the battery 4 is connected to the connector 9 mounted on the printed circuit board 8, the lower part of the battery 5 is inserted into the battery storage chamber 4 by the inclination of the battery guide 4c. The battery 5 is inserted along the surface 4d, and the upper side of the battery 5 is pushed into the battery housing 4 with the contact portion between the battery 5 and the inclined surface 4d as a fulcrum.

As a result, the battery presser piece 4e projecting above the partition wall 4b is elastically deformed to receive the battery 5 into the battery storage section 4 and to store the battery 5 in the battery storage section 4. The battery holding piece 4e returns to its original position due to elasticity and presses the upper part of the battery 5 with the inclined surface 4f, so that the battery 5 does not rattle in the battery storage chamber 4 in the horizontal direction.

As described above, the battery 5 is stored in the battery housing 4.
Is stored, the locking piece 10a of the lid 10 is locked in the locking recess 2d, the locking claw 10b is locked in the locking recess 2e, and the locking projection is formed while sliding the lid 10 along the battery door 2a. 10c is engaged with the locking hole 4g, and the lid 10 is attached to the upper case 2. The erroneous insertion prevention rib 10d protruding from the inner surface of the lid 10 comes into contact with the battery 5 from above.
The cover 1 is used to prevent the battery 5 from rattling in the vertical direction.
0 without a cushion body on the inner surface
The battery 5 can be prevented from rattling inside.

On the other hand, when the upper and lower sides of the battery 5 are erroneously attempted to be stored in the battery storage chamber 4, the upper part of the battery 5 hits the battery guide 4c and the battery pressing piece 4e as shown by the phantom line in FIG. Since the battery 5 can no longer be pushed into the battery storage chamber 4, it is possible to prevent the battery 5 from being erroneously inserted into the battery storage chamber 4 upside down.

When the battery 10 is not properly stored in the battery chamber 4 and the lid 10 is to be attached to the battery slot 2a, the erroneous insertion preventing rib 10d on the inner surface of the battery 10 hits the battery 5, and Since the lid 10 cannot be attached to the access opening 2a, it is possible to detect in advance that the battery 5 has been erroneously inserted.

In the above-described embodiment, the battery storage device of an electronic device such as a charger has been described. However, the present invention can be applied to all electronic devices using the battery 5.

[0036]

As described above in detail, the present invention provides a battery storage chamber provided in the case body by contacting the oblique side of the battery, whose end face is formed in a substantially parallelogram. Since the battery guide for preventing insertion is provided, even if an attempt is made to reversely insert the battery into the battery compartment, the battery guide prevents the battery from being inserted. This prevents excessive force from being applied to the connection between the battery and cable, or the connection between the cable and connector, so that the solder at the connection does not come off and connection failure does not occur, and excessive force is applied to the cable. Because there is nothing, the cable does not break.

At a position facing the battery guide across the battery storage chamber, a battery holding piece for elastically pressing the battery stored in the battery storage chamber in the direction of the battery guide is provided. Since the erroneous insertion prevention rib for preventing erroneous insertion of the battery is provided, the battery is sandwiched between the battery guide and the battery holding piece and the erroneous insertion prevention rib, so that the battery does not rattle in the battery storage room, This eliminates the need to provide a cushion body on the inner surface of the lid, so that the number of parts and the cost can be reduced.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a battery storage device of an electronic device according to an embodiment of the present invention.

FIG. 2 is a plan view showing a battery storage device of the electronic apparatus according to the embodiment of the present invention.

FIG. 3 is a view from the direction of arrow A in FIG. 2;

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

FIG. 5 is an explanatory view when a battery is reversely inserted into the battery storage device of the electronic apparatus according to the embodiment of the present invention;

FIG. 6 is a plan view of a battery storage device of a conventional electronic device.

FIG. 7 is a view taken in the direction of arrow C in FIG. 6;

FIG. 8 is a sectional view taken along the line DD of FIG. 6;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Case main body 2a Battery access opening 2b Side wall 2c Notch 4 Battery storage room 4c Battery guide 4e Battery holding piece 10 Lid 10d Mis-insertion prevention rib

Claims (3)

[Claims] 1. A battery storage device for an electronic device in which a lid is detachably attached to a battery insertion / removal opening of a battery storage room provided in a case main body. A battery guide for preventing reverse insertion of the battery is provided by contacting the oblique side of the battery formed in a shape, and at a position facing the battery guide across the battery storage chamber, A battery accommodating device for an electronic device, comprising a battery retainer for elastically pressing a accommodated battery in the battery guide direction. 2. The battery housing device for an electronic device according to claim 1, wherein an erroneous insertion preventing rib for preventing erroneous insertion of the battery is provided on an inner surface of the lid. 3. The battery storage device for an electronic device according to claim 1, wherein a notch for inserting a finger when taking out the battery from the battery storage chamber is provided in a side wall of the battery storage chamber.