JPH04526Y2 - - Google Patents

Description

[Detailed Description of the Invention] [Technical Field of the Invention] The present invention relates to a battery pack device containing a battery that serves as a power source for electronic equipment, and particularly to a dedicated battery pack device for use in portable video tape recorders, portable televisions, and the like.

[Technical background of the invention]

BACKGROUND ART Electronic devices such as portable video tape recorders and portable televisions that use a battery as a power source are generally provided with a battery pack that stores the battery in a replaceable manner, and this battery pack is bonded to the electronic device. Conventionally, this battery pack has a structure in which metal terminals 1, 2, and 3 for electrically connecting a power source and an electronic device are exposed on the surface of the battery pack 4, as shown in a perspective view in FIG.

[Problems with background technology]

In the conventional battery pack 4 as described above, the metal terminals 1, 2, and 3 are exposed on the surface of the battery pack 4 and are adjacent to each other, so that when the battery pack 4 is removed from an electronic device and left alone, There was a risk that conductive objects used in daily life such as coins, clips, and pins would come into contact with the terminals 1, 2, and 3 and short-circuit the battery. Further, since the terminals 1, 2, and 3 are exposed on the surface, there is a problem in that they are easily touched by fingers during handling, causing corrosion of the metal terminals.

[Purpose of invention]

The present invention has been made in view of the above-mentioned points, and it is an object of the present invention to provide a battery pack device that has a simple structure and can prevent short-circuiting of the metal terminals of the battery pack, as well as prevent corrosion of the metal terminals.

[Summary of the idea]

The present invention provides a slidable cover on the battery pack so as to cover or expose the upper surface of the terminal part of the battery pack attached to an electronic device, and when the battery pack is used alone, the cover covers the terminal part by a spring, and the battery pack is closed. The electronic device is provided with a cover opening member for opening the cover so that the terminal portion is exposed when the device is attached to the electronic device.

According to the above configuration, when the battery pack is removed from the electronic device and used as a standalone unit, the spring cover covers the terminal part, which prevents the battery from shorting due to conductive objects, and prevents hands from touching the terminal part. Corrosion of the terminal portion can also be prevented because there is no corrosion.

[Example of idea]

Hereinafter, one embodiment of the battery pack device according to the present invention will be described with reference to the drawings.

1, 2, 3, and 4 are an exploded perspective view, an external perspective view, and a sectional view, respectively, showing an embodiment of the present invention. Components that are the same or equivalent to those of the conventional example shown in FIG. 7 are designated by the same reference numerals. FIG. 1 is an exploded perspective view of the battery pack 4 seen from the back side.
Three rectangular cover guides 9, 10, 11 for guiding the covers 6, 7, 8 are provided at one end of the inner surface of the battery pack case 5, and cutouts 9a, 10a are provided at one side of each inner side. , 11a are formed. These cover guides 9, 10,
A pair of welding pins 12, 1 are provided on both sides of 11, respectively.
3, 14, 15 are implanted, and rectangular openings 5a, 5 are provided inside the cover guides 9, 10, 11 in contact with the side wall of the battery pack case 5.
b, 5c are formed. The covers 6, 7, 8, which are made of an insulating material and are formed into a rectangular shape, are slidably guided by the cover guides 9, 10, 11 with their sides in contact with each other.
Rod-shaped spring guides 6a and 7 are provided on one side of the inside of 8.
a and 8a are provided, respectively. Coiled springs 16, 17, 18 are inserted into the spring guides 6a, 7a, 8a, respectively, and these spring guides 6a, 7a, 8a are inserted into the notches formed in the cover guides 9, 10, 11, respectively. 9a, 1
It is fitted into 0a and 11a so that it can move in and out. Further, one end of the springs 16, 17, 18 is in contact with one inside side of the cover guides 9, 10, 11, respectively,
Place the covers 6, 7, and 8 into the battery pack case 5.
is biased so as to press against the side wall of the These covers 6, 7, 8 are connected to cover guides 9, 10, 1.
1, cover with the back plate 19, cover 6,
7 and 8 are slidably held between this back plate 19 and the upper surface of the battery pack case 5. This back plate 19 has the welding pins 12, 13,
14 and 15, respectively, and the protruding ends of these welding pins 12, 13, 14, and 15 are thermally welded to be fixed to the battery pack case 5. Further, the back plate 19 is provided with metal terminals 1, 2, and 3 connected to both poles of the battery 20 by wire connections (not shown). On the electronic device main body side, there are locking claws 21 for pushing open the covers 6, 7, 8 against the urging force of springs 16, 17, 18 when the battery pack 4 is attached to the electronic device, and the metal A terminal 22 is provided which contacts the terminals 1, 2, 3, and a conical spring 23 which pushes the battery pack 4 outward when it is removed. (See FIG. 3) The operation of one embodiment of the present invention constructed as described above will be explained below. Before attaching the battery pack 4 to an electronic device, the covers 6, 7, 8 have springs 16, 17, 18 as shown in FIGS. 3 and 5.
The openings 5a, 5b, and 5c are closed by covers 6, 7, and 8, respectively, and the metal terminals 1, 2, and 3 are not exposed. . When the battery pack 4 is attached to an electronic device, the locking claw 21 provided on the electronic device comes into contact with one side of the covers 6, 7, 8 through the openings 5a, 5b, 5c, as shown in FIGS. 4 and 6. As shown, springs 16, 17,
The covers 6, 7, 8 move inward against the urging force of the metal terminals 18, open the openings 5a, 5b, 5c, expose the metal terminals 1, 2, 3, and contact the terminals 22 on the device side. Make electrical connections.

When you take out battery pack 4 from the device again,
The locking of the covers 6, 7, 8 by the locking claws 21 is released, and the openings 5a, 5b, 5c are closed by the urging force of the springs 16, 17, 18, and the metal terminals 1, 2, 3 are closed. Cover.

As described above, according to this embodiment, the metal terminals 1, 2, and 3 of the battery pack 4 are exposed only when in use;
When not in use, the terminals are covered with covers 6, 7, and 8, which prevents short circuits caused by common conductive objects such as coins, clips, and pins, and prevents contamination caused by fingerprints during handling. Corrosion can be prevented.

Although the present embodiment has been described with reference to the case where the number of terminals is three, the number of terminals is not limited to three. Furthermore, although a case has been described in which coiled springs 16, 17, and 18 are used as biasing means for the covers 6, 7, and 8, other biasing means may be used.

[Effect of idea]

As mentioned above, according to the present invention, a slidable cover is provided on the terminal portion of the battery pack to prevent the metal terminals from being exposed to the outside when not in use, thereby preventing short circuits of the battery pack and corrosion of the metal terminals. became possible.

[Brief explanation of the drawing]

Fig. 1 is an exploded perspective view showing one embodiment of a battery pack of a battery pack device according to the present invention;
The figure is an assembled external perspective view of Figure 1, Figures 3 and 4 are sectional views taken along the line A-A and B-B of Figure 2, respectively, showing the battery pack before and after it is attached to the equipment. 5 and 6 are cross-sectional views showing the battery pack before and after it is attached to the equipment, and FIG. 7 is a perspective view showing the conventional battery pack. 1, 2, 3... Metal terminal, 4... Battery pack, 6, 7, 8... Cover, 16, 17, 18...
...Spring, 20...Battery, 21...Latching claw.

Claims (1)

[Scope of utility model registration request] a cover that is slidably provided on the battery pack to cover or expose the upper surface of the terminal part of the battery pack in which the battery is housed; a biasing member that biases the cover in a direction to cover the terminal part; A battery pack device comprising at least a cover opening member provided on the electronic device for opening the cover and exposing the terminal portion when the battery pack is attached to the electronic device serving as a power source.