JPH0620288Y2 - Battery case - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial application] The present invention relates to a battery case in which a spring is attached to the inner surface of a battery case body.

[Outline of the Invention] In the present invention, in a battery case in which a spring is attached to the inner surface of a battery case main body, a member that deforms as the spring expands and contracts is attached so as to be positioned near the spring. Without impairing the function of the spring,
This is to prevent the band for taking out the battery, the string, etc. from being entangled with the spring.

[Conventional technology]

Portable video tape recorders and the like operate on batteries. FIG. 10 shows an example of the battery case of such a video tape recorder, which is shown upside down from the actual state.

In FIG. 10, (1) is the battery case body,
A bottom plate (2) of the video tape recorder is arranged on the open upper surface as shown by the one-dot chain line, and the open front surface is centered on the end of the bottom plate (2) as shown by the one-dot chain line. There is a lid (3) that can be opened and closed. Also, inside the rear surface of the battery case body (1), the coil spring (4)
And (5) are installed. That is, on the inner side of the rear surface of the battery case body (1), a pair of convex portions (6A) and (6B) each having its tip portion bent inward at a right angle are formed, and these convex portions (6A) and (6A) are formed. The coil spring (4) is attached by inserting the large-diameter end of the coil spring (4) between the tip part of 6B) and the rear surface of the battery case body (1). Similarly, a pair of protrusions (7A) and (7B) are formed inside the rear surface of the battery case body (1).
The coil spring (5) is attached by inserting the large-diameter end of the coil spring (5) between the tip portions of (7A) and (7B) and the rear surface of the battery case body (1).

In such a battery case, for example, a battery (10) as shown in FIG. 11 is stored. In the figure, (1
2) is a vinyl sheet designed to cover the battery body (11), and (13) is a battery sheet (11) and vinyl sheet.
A band for taking out the battery, which is made of, for example, a cloth, is arranged so as to go around the battery body (11) while passing between the band (12). Further, (14) is a connector from which the positive and negative ends of the battery body (11) are led out.

FIG. 12 shows a state in which the battery (10) is housed in the battery case and the lid (3) is closed. In this case, although not shown, the lid (3) is provided with a lock mechanism, and the lid (3) is locked by the housing of the video tape recorder and maintained in the closed state. If the lid (3) is unlocked in this state, the lid
When (3) opens, the battery (10) has coil springs (4) and (5).
It is pushed out to the front by the state shown in Fig. 13. In this state, the user pulls out the extraction band (13) to take out the battery (10).

[Problems to be solved by the invention]

By the way, the take-out band (13) of the battery (10) is always sandwiched between the battery body (11) and the vinyl sheet (12), and its position may shift to the left or right (see (Refer to the arrow in Fig. 11). The battery (10) with the extraction band (13) displaced to the left and right in this way is stored in the battery case, and then the lid (3) is unlocked to remove the battery.
When removing (10), remove the band as shown in Fig. 14.
For example, the coil spring (4) may be entangled with the coil (13). Then, in this state, the user removes the band (1
When pulling 3), the coil spring (4) may be damaged or come off.

In consideration of such a point, the present invention satisfactorily prevents the band for taking out the battery, the string and the like from being entangled with the spring without impairing the function of the spring.

[Means for solving problems]

The present invention is a battery case in which an expandable spring that presses and urges a battery is attached to the inner surface of the battery case body, and the spring or the battery case body is positioned so as to be located on the outer peripheral portion or the inner peripheral portion of the spring. The spring shield member is supported by the spring shield member, and the spring shield member is deformed in shape with the expansion and contraction of the spring.

For example, pantograph-shaped spring covers (21) and (22) surrounding the coil springs (4) and (5) may be attached to the battery case body.
Attach to (1).

[Action]

In the above-described configuration, for example, since the coil springs (4) and (5) are surrounded by the pantograph-shaped spring covers (21) and (22), the band for taking out the battery or the like is the coil spring (4) and
Entanglement with (5) is prevented. Further, the spring covers (21) and (22) are pantograph-shaped, and the spring covers (21) and (2
Since 2) is deformed as the coil springs (4) and (5) expand and contract, the functions of the coil springs (4) and (5) are not impaired.

〔Example〕

An embodiment of the present invention will be described below with reference to FIG. In FIG. 1, parts corresponding to those in FIG. 10 are designated by the same reference numerals, and detailed description thereof will be omitted.

In this example, spring covers (21) and (22) made of synthetic resin as a pantograph-like spring shielding member are attached to the battery case body (1) so as to surround the coil springs (4) and (5).

2A and 2B are a front view and a plan view when the spring covers (21) and (22) are developed. In the figure, the spring cover
A cylindrical protrusion (201) extending upward in the center of (21), (22)
Is formed. Further, the left and right ends of the spring covers (21) and (22) are formed with engaging portions (202A) and (202B) that extend downward and have their tip portions bent outward at a right angle, and at the same time, the spring covers ( Stoppers (203A) and (203B) are formed at the left and right ends of (21) and (22), which extend upward and whose tip portions are bent inward at a right angle. Also, (2
04A), (204B), (205A), (205B), (206A), and (206B) are bent portions and are thinly formed. Also, (207A), (207A
B), (208A) and (208B) are openings formed to facilitate bending, and (209A) and (209B) are spring covers (21) and (22) which are coil springs (4). ) And (5), the openings are formed so that the stoppers (203A) and (203B) do not come into contact with each other when compressed.

Also, on the inside of the rear surface of the battery case body (1),
A pair of recesses (23A) and (23B) whose tip portions are bent inward at right angles from outside of (6A) and (6B) are formed, and the upper surface of the above-mentioned spring cover (21) is inside. Thus, the engaging portions (202A) and (202B) at the left and right ends thereof are attached by being engaged with the recesses (23A) and (23B), respectively. In this case, the protrusion (201) of the spring cover (21) is inserted into the small diameter end of the coil spring (4). Similarly, on the inside of the rear surface of the battery case body (1), a pair of recesses (24A) and (24B) whose tip portions are bent at a right angle inward from the outside of the projections (7A) and (7B). And the spring cover (22) described above is bent so that the upper surface is on the inside, and the engaging portions (202A) and (202B) at the left and right ends thereof are recessed (2
It is attached by engaging 4A) and (24B). In this case, the protrusion (201) of the spring cover (22) is inserted into the small diameter end of the coil spring (5).

In this case, as shown in FIG. 3, the maximum extension positions of the coil springs (4) and (5) have variations in the range of 1, whereas
The spring covers (21) and (22) have their own stoppers (203A) and (2
Since it abuts against 03B), the maximum extension position is restricted to be smaller than the maximum extension positions of the coil springs (4) and (5) as shown in the figure. In this case, the angle θ of the bent portions (205A) and (205B) is set to be smaller than 180 ° at the maximum, and the spring cover (2
When 1) and (22) are compressed simultaneously with the coil springs (4) and (5), the bent portions (205A) and (205B) are prevented from bending inward. In Fig. 4, the spring covers (21) and (22) are coil springs.
It shows the compressed state at the same time as (4) and (5).

The present example is configured as described above, and the others are configured similarly to the example of FIG.

FIG. 5 shows a state in which the battery (10) is housed in the battery case of this example and the lid (3) is closed. In this case, the spring covers (21) and (22) are placed in a compressed state simultaneously with the coil springs (4) and (5). When the lid (3) is unlocked in this state, the lid (3) is opened and the battery (10) is pushed out to the front by the coil springs (4) and (5), resulting in the state shown in FIG. Become. In this state, the user can
The battery (10) can be taken out by pulling on 3).

In this example, even when the battery (10) in which the position of the extraction band (13) is displaced to the left and right is stored in the battery case and the lid (3) is unlocked and the battery (10) is taken out, Since the coil springs (4) and (5) are surrounded by the spring covers (21) and (22), the extraction band (13) may be entangled with the coil springs (4) and (5) as shown in FIG. This prevents the coil springs (4) and (5) from being damaged or separated. The spring covers (21) and (22) are coil springs (4) and (5).
The coil springs (4) and (5) do not lose their functions because they are deformed as they expand and contract.

In the above embodiment, the coil springs (4) and (5) are partially surrounded by the spring covers (21) and (22). However, as shown in FIG. The coil springs (4) and (5) may be entirely surrounded by a thin film or a bellows-like member (31), and as shown in FIG. 9, an elastic member (32) such as a sponge is used as a spring shielding member. It may be inserted inside the coil springs (4) and (5). Also in these cases, the take-out band (13) of the battery (10) does not go deeply into the coil springs (4) and (5) as in the above-mentioned embodiment, and the take-out band (13) does not go into the coil spring (4). ), (5) can be prevented from being entangled, and a thin film such as rubber or a bellows-like member (31), a member (32) such as a sponge,
Since the coil springs (4) and (5) are deformed as they expand and contract, the functions of the coil springs (4) and (5) are not impaired.

Further, although the coil springs (4) and (5) are not used as terminals in the above-mentioned embodiments, depending on what is used as the terminals, the coil springs may be provided outside the spring covers (21) and (22).
Make the small-diameter ends of (4) and (5) come out, or place metal terminal members electrically connected to the coil springs (4) and (5) on the outside of the spring covers (21) and (22). You can do it.

Further, in the above-described embodiment, the battery case body
The coil springs (4) and (5) are attached to (1), but instead of the coil springs (4) and (5), zigzag leaf springs formed by forming zigzag strip-shaped spring members are attached. The present invention can be similarly applied to the above.

In addition to the above-described embodiment, the present invention can be similarly applied to a device in which a ribbon for taking out a battery is attached to the battery case body, and the same effect can be obtained.

[Effect of device]

According to the present invention described above, since the spring shielding member that deforms as the spring expands and contracts is mounted near the spring so as to surround the spring, for example, the function of the spring is not impaired and the battery removal band is not damaged. It is possible to satisfactorily prevent the like from being entangled with the spring.

[Brief description of drawings]

FIG. 1 is a block diagram showing an embodiment of the present invention, and FIGS.
FIG. 8 is a diagram for explaining it, FIGS. 8 and 9 are configuration diagrams of a main part of another embodiment of the present invention, FIG. 10 is a configuration diagram showing an example of a battery case, and FIG. The configuration diagram shown in FIGS. 12 to 14 is a diagram for explaining the example of FIG. (1) is a battery case body, (4) and (5) are coil springs, (10) is a battery, (13) is a battery extraction band, and (21) and (22) are spring covers.

Claims (1)

[Scope of utility model registration request] 1. A battery case comprising an inner surface of a battery case body and an expandable spring for pressing and biasing a battery in a housed state, the spring being located at an outer peripheral portion or an inner peripheral portion of the spring. Alternatively, the battery case main body supports a spring shielding member, and the spring shielding member is deformed in shape in accordance with expansion and contraction of the spring.