JP2000277077A - Battery case and electric apparatus therewith - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide the housing structure of an electric apparatus intended to miniaturize a battery case, housing itself. SOLUTION: This battery case is provided with a rectangular battery storage section 91 on the plan view capable of storing dry batteries 8 and charged batteries 5 and having a terminal section 21 and a nearly L-shaped terminal block T removable provided in the battery storage section 91 and constituted of a plate section 40 and a terminal section 30. When the charged batteries 8 are stored, the terminal block T is arranged so that the plate section 40 is overlapped on the inside bottom face of the battery storage section 91. When the dry batteries 5 are stored, the terminal block T and the terminal sections 22, 21 of the battery storage section 91 are used at terminals, and the terminal block T is arranged so that the stored dry batteries 8 are pinched in parallel by the inside bottom face 9a of the battery storage section 91 and the plate section 40 in the longitudinal direction of the battery storage section 91.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a housing structure of an electric equipment such as an optical network unit (ONU).

[0002]

2. Description of the Related Art A housing structure of this kind generally includes, for example,
As shown in a partial cross-sectional perspective view in FIG. 1, an electric equipment device 4 such as an optical network unit and a rechargeable battery 5 are accommodated in an equipment housing 1 composed of an upper case 2 and a lower case 3. It is composed.

[0003] The device housing 1 has an opening on one side of the upper case 2 to form a battery case accommodating portion 6 together with the lower case 1. The battery case accommodating portion 6 has a rechargeable battery 5.
The battery case 9 containing the battery case 9 is fitted and mounted, and the surface of the inner bottom surface 9a of the battery case 9 serves as a lid to close the opening of the upper case 2.

The battery case 9 in the conventional housing structure has a substantially rectangular shape in plan view, as shown in FIGS. The battery case 9 houses the rechargeable battery 5. The rechargeable battery 5 is configured by arranging three single rechargeable batteries side by side in two rows in a row, unitized in a rectangular parallelepiped, and housed side by side in the long side direction of the battery case 9.

In this rechargeable battery, the other end of the belt 10 having one end fixed to one short side end of the battery case 9 is connected to the battery case 9.
After being inserted into a hole 9b provided at the other end on the short side of the above, it was folded back and fixed by overlapping with a means such as a flat fastener to be fixed to the battery case 9 and one end was connected to the rechargeable battery 9. Connect the other end of the lead wire (not shown) to the electrical
Side and electrically connected to the electrical equipment device 4.

[0006] The conventional battery case 9 includes a rechargeable battery 5.
When the battery is exhausted, for example, AA
It was configured so that a dry battery such as an alkaline dry battery could be used.

That is, the belt 10 is released from the state shown in FIGS. 10 and 11, and the rechargeable battery 7 is taken out of the battery case 9.

[0008] For example, six terminals 11 are attached to the long side inner walls 9c and 9d of the battery case 9 facing each other, and a dry battery 8 is mounted between the terminals 11 facing each other.

Accordingly, the dry batteries 8 are juxtaposed in a row along the short side inner walls 9e and 9f of the battery case 9.

[0010]

However, as described above, the dry battery 8 is connected to the short side inner walls 9 e and 9 of the battery case 9.
f, the width W on the short side of the battery case 9 is widened, the size of the battery case 9 is increased, and the size of the housing 1 is also increased.

That is, the length L1 of the standard dry cell 8 is
The short-side width L2 (see FIG. 1) of a rechargeable battery 8 unitized by setting two rechargeable batteries of the same capacity in two rows of three
0), when the dry batteries 8 are arranged side by side along the short side inner walls 9 e and 9 f of the battery case 9, the short side width of the battery case 9 must be set large. However, as a result, the size of the housing 1 itself is increased.

[0012] In view of the above, an object of the present invention is to provide a housing structure of an electric device intended to reduce the size of a battery case and thus the housing itself.

[0013]

In order to achieve the above object, the present invention provides a battery accommodating portion having a terminal portion capable of accommodating a dry battery and a rechargeable battery, and a detachable battery accommodating portion. And a substantially L-shaped terminal block comprising a plate portion and a terminal portion. When the rechargeable battery is accommodated, the terminal block is arranged so that the plate overlaps an inner bottom surface of the battery accommodating portion. At the time of storage, the terminal block and the terminal portion of the battery housing portion are used as terminals, and the dry batteries housed are sandwiched between the inner bottom surface of the battery housing portion and the plate portion so as to be juxtaposed in the long side direction of the battery housing portion. Thus, the terminal block is arranged.

According to the present invention, when a rechargeable battery is used, the rechargeable battery may be stored in the battery receiving portion from which the terminal block has been removed, and when a dry battery is used, the battery receiving portion may be used. Attach the terminal block to. At this time, since the distance between the terminal block and the inner wall on the short side of the battery accommodating portion substantially matches the vertical dimension of the dry battery, the dry battery is vertically accommodated in the battery case.

Since the width of the dry battery is smaller than the width of the rechargeable battery by loading the dry batteries in the battery accommodating section in a column, the width of the battery case is adapted to the width of the rechargeable battery. , Which can be made smaller than that of the conventional one, and furthermore, miniaturization of the electric equipment itself can be realized.

[0016]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention according to claim 1 relates to a battery case, a battery housing portion having a terminal portion capable of housing a dry battery and a rechargeable battery and having a terminal portion, and detachable from the battery housing portion. Is provided, a substantially L-shaped terminal block composed of a plate portion and a terminal portion, and when the rechargeable battery is accommodated, the terminal block is arranged such that the plate overlaps the inner bottom surface of the battery accommodating portion, When the batteries are accommodated, the terminal block and the terminal of the battery compartment are used as terminals, and the batteries are sandwiched between the inner bottom surface of the battery compartment and the plate so as to be juxtaposed in the long side direction of the battery compartment. In this case, the terminal block is arranged.

According to a second aspect of the present invention, there is provided an electric device, comprising: a battery housing portion having a terminal portion capable of housing a dry battery and a rechargeable battery and having a terminal portion; A terminal block having a substantially L-shape comprising a portion and a terminal portion, and when the rechargeable battery is accommodated, the terminal block is arranged so that the plate overlaps the inner bottom surface of the battery accommodating portion. The terminal is formed by sandwiching a dry battery housed between the terminal block and the terminal portion of the battery housing portion between the inner bottom surface of the battery housing portion and the plate portion in the long side direction of the battery housing portion. A battery case is configured by disposing a base, and the battery case is fitted to a battery case accommodating portion provided in a device housing.

According to a third aspect of the present invention, there is provided a battery case, having a terminal portion capable of storing a dry battery and a rechargeable battery, having a terminal portion, and a rectangular-shaped battery housing portion provided integrally with an equipment housing.
The battery accommodating portion is provided detachably and includes a substantially L-shaped terminal block constituted by a plate portion and a terminal portion. When the rechargeable battery is accommodated, the plate overlaps the inner bottom surface of the battery accommodating portion. When the dry battery is accommodated, the terminal block and the terminal portion of the battery accommodating portion are used as terminals, and the dry battery accommodated by the inner bottom surface of the battery accommodating portion and the plate portion is disposed along the long side of the battery accommodating portion. The terminal blocks are arranged by being clamped so as to be juxtaposed with each other.

According to the present invention, when using a rechargeable battery, the rechargeable battery may be loaded in the battery accommodating portion from which the terminal block has been removed, and when using a dry battery, the battery accommodating portion may be used. Attach the terminal block to. At this time, since the distance between the terminal block and the inner wall on the short side of the battery case is substantially compatible with the vertical dimension of the dry battery, the dry battery is housed in the battery case in the vertical direction.

The width of the dry battery is smaller than the width of the rechargeable battery by loading the dry batteries in the battery compartment in a longitudinal direction, so that the width of the battery compartment is reduced. What is necessary is just to set it so that it may correspond to a width dimension, and it can be made small compared with the conventional thing, and also the miniaturization of the electric equipment itself can be realized.

Hereinafter, embodiments of the present invention will be described with reference to the drawings.

FIG. 1 is a perspective view in which a cross section is drawn on a part of a general electric equipment, for example, an electric equipment such as an optical network unit.

According to FIG. 1, reference numeral 1 denotes an equipment housing, which is constituted by fitting an upper case 2 to a lower case 3 and in the equipment housing 1, electric equipment such as an optical network unit is installed. The device 4 and the rechargeable battery 5 are accommodated. In the housing 1, the housing 1a on the side of the electric device 4 and the battery case housing 1b on the side of the rechargeable battery 5 are separated by a partition wall (not shown).

The rechargeable battery 5 is configured by arranging three single rechargeable batteries side by side in two rows in a row and unitizing them in a rectangular parallelepiped shape.

[0025] 9 in the battery case in plan view a substantially rectangular, the battery case 9 has a battery accommodating part 9 _1, after loading the rechargeable battery 5, which is unitized in the battery holder 9 _1,
Are fitted and attached to the battery case accommodating portion 1b, the inner bottom surface 9a of the battery holder 9 ₁ becomes a lid, the upper case 2
The opening is closed.

Next, an embodiment of the present invention will be described with reference to FIGS.

FIG. 2 is an exploded perspective view of a battery case loaded with a rechargeable battery, FIG. 3 is a plan view of the same, FIG. 4 is a longitudinal sectional view of the same, and FIG. 5 is an exploded perspective view of a battery case loaded with a dry battery. 6 is a plan view, and FIG. 7 is a longitudinal sectional view.

The battery holder 9 ₁ has the shape in plan view substantially rectangular. A pair of short side inner wall 9e of the battery holder 9 _1, 9f
One terminal 21 of the dry battery 8 is formed on one short side inner wall 9e.

T is a terminal block, and the terminal 30 and the plate 4
0 are integrally formed in a substantially L-shape. The terminal portion 30 has a plate shape and has another terminal portion 22 for connecting the dry battery 8 to the electric device 4. One end of a lead wire 23 is connected to the other terminal portion 22,
The other end of the lead wire is provided with a connector 24 so as to be connected to the electric device 4 side. Terminal part 30
Each of the opposing sides has a protruding hook 3
1 and 31 are formed, and a housing portion 32 of the connector 24 is formed on one of both side portions.

Reference numeral 40 denotes a plate portion for the dry battery 8,
The plate part 40 has a substantially rectangular planar shape, and the terminal part 30
Are formed integrally so as to have a substantially L-shape. And both long side walls 40a, 40 of the plate portion 40
b, engaging pieces 41, 41 are formed with a gap with respect to the hooking pieces 31, 31, and a two-row opening from one long side wall 40a side to the surface side which is the terminal section 30 side. The battery positioning recesses 42, 42 and a lead wire holding portion 43 opening on the back side are formed in this order.

Reference numeral 44 denotes a battery auxiliary holding plate. The battery auxiliary holding plate 44 is a terminal portion 30 of the plate portion 40.
In order to continuously hold the dry battery 8 on the opposite short side inner wall 40c, two positioning recesses 44a and lead wire holding portions 44b are formed. In addition, engaging pieces 44c, 44c are provided on both side walls of the auxiliary battery holding plate 44.
Are formed.

The inner walls 9c, 9 on both long sides of the battery case 9
On the inner wall of d, first engaging portions 51, 51 with which the engaging pieces 31, 31 of the terminal portion 30 sequentially engage from the terminal portion 21 side.
The engaging portion 5 with which the engaging pieces 41 of the plate portion 40 are engaged.
2, 52 and the engagement piece 44 of the auxiliary battery holding plate 44
Engaging parts 53, 53 with which c, 44c engage are formed.

As shown in FIG. 8, a narrow groove 52a extending toward the short-side inner wall 9f is formed on both long side inner walls 9c and 9d at the center of the engaging portions 52 and 52. 52, the engaging pieces 41, 41 are connected to the engaging portions 52,
After engagement with the battery case 9, the plate portion 40 is moved to the short side inner wall 9f side and inserted into the narrow groove 52a, thereby preventing the battery case 9 from falling off.

The engaging portions 53, 53 have an L-shape, and the lower end is formed in a narrow groove 53a extending to the short side inner wall 9f side.
The engaging portion 44c is moved in the
After being inserted into the inner wall 9f, it is slid to the short side inner wall 9f side to prevent slippage.

When the rechargeable battery 5 is used, as shown in FIGS. 3 and 4, the terminal portion 30 is located on the short side inner wall 9e side where the one terminal portion 21 of the battery accommodating portion 91 is provided. together they are, the plate portion 40 of the battery holder 9 ₁ inner bottom surface 9a
The hooking pieces 31, 31 of the terminal portion 30 are superposed so as to be close to each other.
To the first engaging portion 51 and the plate portion 40
Is engaged with the engaging portions 52, 52, and the engaging pieces 44c, 44c of the auxiliary battery holding plate 44 are engaged with the engaging portions 53, 53. 4
0 and the auxiliary battery holding plate 44, the rechargeable batteries 5 are placed side by side in the long side direction of the battery case 9, and the other end of the belt 10 having one end fastened to the short side inner wall 9e is connected to the short side. After passing through the hole 9b formed on the inner wall 9f side, it is folded back,
By polymerizing-engaging by means of such plane fastener, securing the battery 5 to the battery holder 9 _1. Then, the other end connector 24a of the lead wire 23a having one end connected to the rechargeable battery 5 is inserted into the electric device 4, and the electric device 4 and the rechargeable battery 5 are electrically connected.

Next, when the dry battery 8 is used when the rechargeable battery 5 is exhausted or the like, first, the connector 24a is disconnected from the electric device 4 and the overlapping engagement at the other end of the belt 10 is removed. by removing from the hole 9b, leave out the battery 5 from the battery accommodating part 9 _1.

Next, remove the batteries auxiliary presser plate 44 from the battery accommodating part 9 _1, further after removal of terminal portions 30 from the battery case 9 with the plate portion 40, is turned over, the terminal unit 30 is a battery accommodating section 9 _It is inserted into the battery case 9 together with the plate portion 40 so that the other terminal portion 22 faces the one terminal portion 21 so as to be close to the short side inner wall 9f side.

That is, as shown in FIG. 8, both long side inner walls 9c between the engaging portions 53, 53 with which the engaging pieces 44c, 44c of the dry battery auxiliary pressing plate 44 are engaged and the short side inner wall 9f. , 9d are formed with second engaging portions 54, 54. The second engaging portions 54, 54 are substantially L-shaped.
The lower end is formed in the narrow groove 54 a extending toward the short side inner wall 9 f side, and the engaging piece 31 of the terminal portion 30 is formed.
After first engaging the second engaging portion 54 with the second engaging portion 54, the terminal portion 30 is moved to the long side inner wall 9f side, and the engaging piece 31,
31 is further engaged with the narrow groove 54a, the terminal portion 30 is prevented from falling off, and the terminal portion 30 is mounted on the battery case 9.

At substantially the center of the engaging portions 52, 52,
A narrow groove 52a extending to the long side inner wall 9f side is formed, and after the engaging piece 41 of the plate 44 is engaged with the engaging portions 52, 52, the plate 44 is moved to the long side inner wall 9f side. by engages the engaging piece 41, 41 to the thin groove 52a, is subjected to retaining the plate portion 40 relative to the battery accommodating part 9 _1.

[0040] In this state, between the plate 44 and the battery holder 9 _1, at a distance from each other in inner bottom surface 9a, the space portion is formed, this space, batteries loading section 6
Is formed. At this time, the terminal portion 30 forms a gap K away from the short side inner wall 9f.

[0041] Then, the battery loading portion 60 formed by the plate 44 and the battery holder 9 _1, 6 and 7
As shown in FIG. 3, a plurality of dry batteries 8, in this embodiment, three dry batteries 8 are
_As shown in FIG. 9, two rows are loaded in a column in the long side direction, and a portion of the dry battery 8 that is not covered by the plate portion 40 is covered by the dry battery auxiliary holding plate 44 as shown in FIG. The engagement portion 53 is connected to the first engagement portion 5
After engaging with the first engaging portion 51, the first engaging portion 51 is engaged with the narrow groove 51d formed so as to extend to the short side inner wall 9f side substantially at the center of the first engaging portion 51, 51. by mounting the battery auxiliary presser plate 44 to the battery holder 9 _1, thereby preventing the popping out of battery 8.

Further, the dry battery 8 is fixedly mounted by the belt 10 like the rechargeable battery 5. Then, the connector 26 provided at one end of the lead wire 25 having one end connected to the dry battery 8 is inserted into the electric device 4 to electrically connect the electric device 4 and the dry battery 8.

As described above, when the six dry batteries 8 are cascaded in two rows of three, the length of the rechargeable battery 5 becomes shorter than the length of the long side, but the terminal portion 30 is separated by the gap K into the short side inner wall. 9f
, The gap K can absorb a portion shorter than the long side length of the rechargeable battery 5, and as a result, the other terminal 22 of the terminal 30 and one terminal The battery 8 can be stored between the battery 21 and the battery 21 without any problem.

When the rechargeable battery 5 is loaded, the terminal 30
There so keep allowed independent of the short side inner wall 9e side of the battery holder 9 _1, can be loaded between the battery 5 and the terminal section 30 and the short side inner wall 9f.

Further, since six dry batteries 8 can be loaded in two rows of three in a row, the width of the dry batteries 8 can be made smaller than the width of the rechargeable battery 5, and the battery housing 9 ₁ May be set so as to be compatible with the width of the rechargeable battery 5, and can be made smaller than that of the conventional battery, so that the size of the housing 1 itself can be reduced.

The terminal part 30 has its hooking pieces 31, 31
The terminal portion 30 and the plate portion 40 are connected to the battery housing portion 9 by engaging the engaging pieces 41, 41 with the engaging portions 52, 52.
₁ , and the connection of the dry battery 8 to the two terminals 21 and 22 is ensured.

Further, the plate unit 40 fits into the battery loading unit 60 while holding down the entire dry battery 8 together with the dry battery auxiliary holding plate 44, so that the dry battery 8 can be prevented from jumping out.

[0048] Further, when using a rechargeable battery 5, the terminal portion 30, together with the fit in proximity additionally provided on the short side inner wall 9e side of the battery case 9, the plate portion 40, the inside of the battery housing part 9 ₁ since being housed in proximity additionally provided on the bottom surface 9a, when using a rechargeable battery 5, not the terminal portions 30 formed integrally with the plate portion 40 in the way of the battery 5 to the battery holder 9 _1, housing It is convenient because it can be kept.

In the above embodiment, the terminal 30
Although the plate portion 40 and the plate portion 40 are integrally formed in an L-shape, it is also conceivable that both are formed separately from each other.
It is also conceivable to omit the dry battery auxiliary holding plate 44 by forming the length 0 to be long.

In the above embodiment, the battery case 9
Is used to accommodate the rechargeable battery 5 or the dry battery 8, but the present invention is not limited to this. For example, the battery case 9 is abolished, and the battery case accommodating section 1 on the device housing 1 side is used.
b itself can be a battery housing, in which case
The terminal 21 is connected to the battery case housing 1 that constitutes the battery housing.
b will be provided on the inner wall.

[0051]

According to the present invention, when a rechargeable battery is used,
It is only necessary to load a rechargeable battery in the battery compartment from which the terminal block has been removed.If dry batteries are used, attach the terminal block to the battery compartment and install the terminal block and the inner wall on the short side of the battery case. By adjusting the distance between the battery and the battery to substantially match the vertical dimension of the dry battery, the dry batteries are housed in the battery housing in the vertical direction juxtaposed with the long side thereof.

The width of the dry battery is smaller than the width of the rechargeable battery by loading the dry batteries in the battery housing in a column, so that the width of the battery around the four sides matches the width of the rechargeable battery. The size of the housing can be reduced, and the size of the housing itself can be reduced.

[Brief description of the drawings]

FIG. 1 is a perspective view of a part of a housing structure of an electrical equipment housing such as an optical network unit, for example, a cross-section drawn and drawn.

FIG. 2 shows an embodiment of the present invention, and is an exploded perspective view of a battery case loaded with a rechargeable battery.

FIG. 3 is also a plan view

FIG. 4 is a longitudinal sectional view of the same.

FIG. 5 is an exploded perspective view of a battery case loaded with dry batteries.

FIG. 6 is also a plan view. FIG. 7 is a longitudinal sectional view of the same.

FIG. 7 is also a longitudinal sectional view

FIG. 8 is a cross-sectional view illustrating the engagement relationship between the terminal block and the plate and the battery case, partially omitting one long side inner wall side of the battery case.

FIG. 9 is also a cross-sectional view showing the engagement relationship between the battery case and the auxiliary battery holding plate, in which (1) is drawn by omitting a part of one long side inner wall side of the battery case; (2) is a sectional view taken along line AA of FIG.

FIG. 10 is a plan view of a conventional battery case when a rechargeable battery is loaded.

FIG. 11 is also a longitudinal sectional view

FIG. 12 is a plan view of a battery case when a dry battery is also loaded.

FIG. 13 is also a longitudinal sectional view

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 Device housing 2 Upper case 3 Lower case 4 Electric equipment 5 Rechargeable battery 8 Dry battery 9 Battery case 9 ₁ Battery storage part 9a Inner bottom surface 9b Hole 9c, 9d Long side inner wall 9e, 9f Short side inner wall 21 One terminal part 22 Other terminal part (terminal) 30 Terminal block 31 Hook piece 40 Plate 41 Engagement piece 44 Dry battery auxiliary holding plate 51 First hook part 52, 53 Engagement part 54 Second hook part 60 Dry cell loading part K gap

Claims (3)

[Claims] 1. A substantially L-shaped battery accommodating portion having a terminal portion and capable of accommodating a dry battery and a rechargeable battery, and being detachably provided in the battery accommodating portion, comprising a plate portion and a terminal portion. When the rechargeable battery is accommodated, the terminal block is arranged so that the plate overlaps the inner bottom surface of the battery accommodating portion. When the dry battery is accommodated, the terminal block and the terminal portion of the battery accommodating portion are connected by terminals. A battery case, wherein the terminal block is arranged by sandwiching dry batteries housed between an inner bottom surface of the battery housing portion and the plate portion in a long side direction of the battery housing portion. 2. A substantially L-shaped battery accommodating portion which is capable of accommodating a dry battery and a rechargeable battery and has a terminal portion, and which is detachably provided in the battery accommodating portion and comprises a plate portion and a terminal portion. When the rechargeable battery is accommodated, the terminal block is arranged so that the plate overlaps the inner bottom surface of the battery accommodating portion. When the dry battery is accommodated, the terminal block and the terminal portion of the battery accommodating portion are connected by terminals. And, the terminal block is arranged by sandwiching dry batteries housed between the inner bottom surface of the battery housing portion and the plate portion in the long side direction of the battery housing portion to constitute a battery case, An electric device, wherein the battery case is fitted to a battery case accommodating portion provided in a device housing. 3. A battery accommodating portion having a terminal portion capable of accommodating a dry battery and a rechargeable battery and having a rectangular shape in plan view provided integrally with an equipment housing, and a plate portion detachably provided in the battery accommodating portion. And a terminal portion having a substantially L-shape configured with a terminal portion. When the rechargeable battery is accommodated, the terminal block is installed so that the plate overlaps the inner bottom surface of the battery accommodating portion. The terminal is formed by sandwiching a dry battery housed between the terminal block and the terminal portion of the battery housing portion between the inner bottom surface of the battery housing portion and the plate portion in the long side direction of the battery housing portion. A battery case in which a table is arranged.