JPH0434839A - Mounting of dry cell on electrical apparatus - Google Patents

Abstract

PURPOSE:To reduce the mounting area of a logical package and ease the fixing and the replacement work of a dry cell by housing and fixing the dry cell in the ring of a dry cell fixture, and mounting the dry cell fixture in the hole of the logical package. CONSTITUTION:A dry cell 27 is housed and fixed with a ring 26a, having a spring property, of a dry cell fixture 26. With the fixture 26, a projection 26b is inserted in the hole 13b of a logical package 13 through the notch 6a of a logical package 6, and is fixed with the action of falling prevention made with the plate-like projection 26d of the dry cell fixture 26. Further electricity from the dry cell 27 is supplied to the logical package 6 by inserting a connector 27b, connected with a cable 27a, in a connector 11. As for the dry cell 27, a dry cell cover 5 is removed by loosening a fixing screw 34, and the dry cell 27 is gripped with fingers inserted to be taken out to outside. Thus the dry cell can easily be replaced.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a method for mounting a dry cell battery in an electrical device such as a communication terminal device for performing information communication via a telephone line, such as a telephone or facsimile.

[Conventional technology]

Conventionally, dry batteries have been used in this type of communication terminal equipment.

Because of this purpose, it is used as a memory backup for ICs, etc., and is an essential component in the configuration of communication terminal devices.

Generally, the capacity of dry cell batteries is determined taking into consideration the service life of the communication terminal device, so there is no need to replace the dry cell batteries, but if you wish to use the device beyond its service life, you can easily It was necessary to be able to exchange the

The conventional structure is shown in FIG.

In FIG. 8, the dry battery fixture 33 is screwed to the logic package and is made of an insulating material.

To explain this dry battery fixing tool 33 in detail, inside:
A stand 33e for receiving the dry cell battery 27 in the diametrical direction is provided, and on both sides of the stand 33e in the direction perpendicular to the stand 33e, band-shaped presser covers 33a and 33c that can be bent in the longitudinal direction are provided.
At the tip of the holding cover 33a, a U-shaped protrusion and a recess 33b, each bent inward, are provided in the width direction.

On the other hand, a protrusion 33d is provided in the width direction at the tip of the presser cover 33c, and when the tip of the presser cover 33c is inserted into the U-shaped groove of the presser cover 33a, the recess 33b and the protrusion 33d engage with each other. and was fixed so as to surround the dry cell battery 27.

[Problem to be solved by the invention]

For this reason, a large amount of space is required for mounting components in the logic package, and to replace the dry battery, remove the dry battery cover and insert your fingertip into the communication terminal device.
and 33c are disengaged and expanded, resulting in poor workability and, furthermore, requiring a large opening in the rear panel.

SUMMARY OF THE INVENTION In view of the drawbacks of the prior art described above, it is an object of the present invention to reliably fix and replace dry batteries with a simple structure.

[Means to solve the problem]

In the present invention, the dry battery fixing device is provided with a springy ring having an opening in a part and a protrusion having a retaining function,
This is achieved by housing and fixing the dry battery in the ring, inserting the protrusion into the hole of the logic package, and fixing the dry battery.

[Effect]

The dry battery fixing device is provided with a spring ring having an opening in a part thereof, and the dry battery is accommodated and fixed in this ring. Furthermore, a protrusion having a retaining function is provided at the tip of the dry battery fixture, and this protrusion is inserted into a hole in the logic package to mount the dry battery fixture.

This reduces the mounting area of the logic package for the dry battery, and further facilitates the work of fixing and replacing the dry battery.

〔Example〕

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

FIG. 1 is an external perspective view of a communication terminal device of the present invention, FIG. 2 is a plan view, right side view, and rear view of the communication terminal device shown in FIG. 1, and FIG. 3 is a view similar to that shown in FIG. 4 is an exploded perspective view of the communication terminal device shown in FIG. 1, FIG. 4 is a diagram showing a fixed state of the dry cell battery attached to the communication terminal device shown in FIG. 1, and FIG. 5 is another example of fixing the dry cell battery. FIG. 6(a) is a perspective view showing the ground connection state of the logic package, power supply package, and rear panel; FIG. 6(b) is the perspective view of FIG. 6(a) showing the ground connection state. Cross-sectional view between A-A, No. 7
Figure (a) is a front view showing the speaker fixed state, Figure 7 (b) is a sectional view taken along line A-A in Figure 7 (a), Figure 7 (
C) is a side view showing the process of fixing the speaker.

In FIG. 3, the upper case 1 has a heat dissipation hole 1a, an opening 1b with which the operation panel 3 engages, a boss 1c that fixes the logic packages 6 and 13, a boss 1d that fixes the power supply package 18, and a lower part. It is constructed of an integral mold consisting of a space 1f in which the rib 2e of the case 2 engages, a side plate 1h, and a rib 1g.

The lower case 2 has a hole 2a, a heat radiation hole 2b, and a speaker 2.
a boss 23 having a screw hole 23a for fixing the speaker 29, an L-shaped protrusion 24 having an opening 24a and a partially sloped surface 24b for fixing the flange 29a of the speaker 29, and a protrusion for guiding the fixing position of the speaker 29. 32, a protrusion 31 having a stopper function, a sound emitting hole 2c, and a dry battery 27.
Plate-shaped protrusions 25 and 25a arranged in a U-shape to fix the
It is composed of an integral mold consisting of.

The operation panel 3 has a spring claw 3a that engages with the opening 1b of the upper case 1, and has an electric key and an LCD.

It is composed of LEDs, etc.

The logic package 13 includes a connector 14 having a terminal 14a connected to the ground of the logic package 13, a connector 15 of the interface section of the communication terminal device, and a hole 13a.

The logic package 6 includes a connector 8 having a terminal 8a connected to the ground of the logic package 6, and a screw hole 9a.
The L-shaped metal fitting 9 has a screw hole 10a, the L-shaped metal fitting 10 has a screw hole 10a, a connector 11, a notch 6a, and a hole 6c.

The power supply package 18 is composed of a power switch 20, a power cord 21 fixed with a bushing 21a, an L-shaped fitting 19 having a hole 19 in which a terminal 22 is mounted, and a hole 18a.

The rear panel 4 is provided with a hole 4a and a hole for connecting a connector from the outside, and the dry battery cover 5 is provided with a hole 5a.

Next, a method of assembling one communication terminal device will be explained.

First, the operation panel 3 is inserted into the opening 1b of the upper case 1, and is fixed by engaging with the opening 1b with the springy claw 3a.

The logic packages 6 and 13 are arranged so that the terminals of the components to be mounted face each other, and the logic packages are insulated by a bush 16 consisting of a hole lea and a step 16b. boss of
Fixed at c.

Note that the terminal 14a of the connector 14 and the terminal 8a of the connector 8 are grounded to each other, and the logic packages 6 and 13 are connected to the upper case 1 by inserting the step 16a of the bush 16 into the logic package 66C or 13a. This makes workability easier when fixing to.

Next, the dry battery 27 is housed and fixed with a ring 26a having spring properties of the dry battery fixture 26. Dry battery fixing tool 26
The protrusion 26b is inserted into the hole 13b of the logic package 13 through the notch 6a of the logic package 6, and the plate-like protrusion 26d of the dry battery fixture 2b acts to prevent the battery from coming off.

Note that power from the dry battery 27 is supplied to the logic package 6 by inserting the connector 27b connected to the cable 27a into the connector 11.

On the other hand, the speaker 29 is fixed to the boss 23 with the flange portion 29a engaged with two places on the inclined surface 24b of the L-shaped protrusion 24 provided on the lower case 2, and through the hole 30a of the L-shaped fitting 30 with the screw 33. are doing.

Here, the logic package 6 is electrically connected by inserting a connector 29c, which is connected to the speaker 29 with a cable 29b, into the connector 16e.

Next, the power supply package 18 connects the protrusions 17a of the logic package fixing device 17 having a retaining function at both ends to the hole 18a of the power supply package 18 and the six holes 6 of the logic package 6.
a, and then screwed and fixed to the rib ld of the upper case 1 through the hole 18a with the screw 3b.

Next, the protrusions 1j and 2 of the upper case 1 and lower case 2
e, engage and fix the rear plate 4, and then tighten the screw 1.
1, it is fixed to the boss 1e of the upper case 1 through the hole 2a of the lower case 2, and the upper case l and the lower case 2 are fixed.

The rear plate 4 is fixed to the L-shaped fitting 10 of the logic package 6 with screws 35 through the hole 4a and the hole 19a of the L-shaped fitting 19.

Finally, a groove 28 for smoothing the spring action inside.
The first
The assembly of the communication terminal device of the present invention shown in FIGS. 3 to 3 is completed.

Note that the groove 28a of the washer 28 engages with the thread groove of the screw 34 to prevent the screw 34 from coming off when the dry battery cover 5 is removed.

To explain in more detail, in FIG. 4, when the springy protrusion 26b consisting of the groove 26c of the dry battery fixture 26 is inserted into the hole 13b of the logic package 13, the plate-like protrusion 26d acts to prevent it from coming off. After adjusting the dry battery fixing tool 2
6 is fixed to the logic package 13.

On the other hand, the dry battery 27 fixed by a spring ring 26a having an opening in a part is attached to the plate-like protrusion 2 of the lower case 2.
5 and 25a and the dry battery cover 5.

Further, the dry battery 27 can be easily replaced by loosening the fixing screw 34, removing the dry battery cover 5, inserting a fingertip, pinching the dry battery 27, and pulling it out.

FIG. 5 is a diagram illustrating another embodiment of the present invention. The dry battery fixture 26 has an L-shaped protrusion 26g extending perpendicularly from the spring ring 26a to house and fix the dry battery 27 therein.

In addition, in the case of this configuration, the need for the plate-like protrusion 25 of the lower case 2 is eliminated.

FIG. 6(a) is a diagram showing the rear part of the communication terminal device of the present invention. The L-shaped fitting 10 is connected to the ground of the logic package 6, and the L-shaped fitting 10 is connected to the ground of the power supply package 18.
The shaped metal fittings 19 and the rear panel 4 are fixed to each other at the same location with screws 35, and are connected to a power supply ground.

FIG. 6(b) is a cross-sectional view taken along line A--A in FIG. 6(a), and shows the ground connection state in detail.

FIGS. 7(a) to 7(c) are diagrams showing the speaker 29 in a fixed state.

In FIG. 7(a), the flange portion 29a of the speaker 29 fixed to the lower case 2 has an L-shaped protrusion 24 at two places on the circumference divided into three, and an L-shaped protrusion 24 near the middle of the L-shaped protrusion 24. The protrusion 31 provided on the same circumference and this protrusion 31
and protrusions 32 provided at two locations on the same circumference in a perpendicular direction.

Note that the protrusion 32 has the function of suppressing misalignment when fixing the speaker 29, and the protrusion 31 has the effect that the flange portion 29a of the speaker 29 is connected to the inclined surface 24b of the L-shaped protrusion 24 (details will be described later). It has the function of a stopper for contacting and fixing at a certain position.

FIG. 7(b) is a sectional view taken along line AA in FIG. 7(a). The L-shaped protrusion 24 has an opening 24a and an inclined surface 24b on the lower side, and a flange 29a of the speaker 29 is fixed by the L-shaped protrusion 24 having the opening 24a and the inclined surface 24b. .

FIG. 7(c) is a diagram illustrating a method of fixing the speaker 29. A boss 23 having a screw hole 23a is provided in the vicinity of the other two of the three parts of the lower case 2, which is held down by the tip of the L-shaped fitting 30 on the flange part 29aii of the speaker 29, and is secured with a screw 34. It is fixed to the boss 23.

Note that when the speaker 29 is screwed to the boss 23 using the L-shaped fitting 30, the bending angle of the L-shaped fitting 30 is more obtuse than the open angle, so that the speaker 29 is pressed against the protrusion 31 and is securely fixed.

〔Effect of the invention〕

According to the present invention, a dry battery is housed and fixed using a dry battery fixing device that integrates a spring-like ring with an opening in a part and a protrusion that has a retaining function, and the retaining part is fixed to a logic package. Therefore, the mounting area related to the dry cell of the logic package is reduced, and furthermore, the work of fixing and replacing the dry cell becomes easier.

[Brief explanation of drawings]

FIG. 1 is an external perspective view of a communication terminal device of the present invention. Figure 2 is the top view, right side view, and rear view of Figure 1, and Figure 3 is
The figure is an exploded perspective view of the communication terminal device of the present invention, FIG. 4 is a perspective view showing a dry battery fixing state, FIG. 5 is a perspective view showing another embodiment of fixing the dry battery, and FIG. 6 (a) is FIG. 6(b) is a perspective view showing the ground connection state of the logic package, power supply package, and rear panel.
7(a) is a front view showing the state in which the speaker is fixed, and FIG. 7(b) is a sectional view taken along line A-A in FIG. 7(a).
7(c) is a side view showing the process of fixing the speaker, No. 8rJ! I is a perspective view showing a fixed state of a dry battery of a conventional communication terminal device, and FIG. 9 is a front view showing a fixed state of a speaker of a conventional communication terminal device. 1... Upper case, 2... Lower case, 3... Operation panel, 4... Rear panel, 5... Battery cover 6.13... Logic package, 9, 10, 19° 30
...L-shaped fitting, 17...Logic package fixture,
18...Power supply package, 23...Boss, 24゜2
6g... L-shaped protrusion, 24a, 26f... opening,
24b---Slanted surface, 25, 25a, 26b, 31°3
2... Protrusion, 26... Dry battery fixing tool, 26a...
Ring, 26c, 28a...Groove, 26d...Plate-like protrusion, 26e...Shaft, 27...Dry battery, 28...Washer, 29...Speaker, 29a...Flange portion. q Figure 1 Figure 2 Figure 4 Figure 5 Figure 7 (a) Figure 8

Claims (2)

[Claims] 1. The dry battery fixing device is provided with a spring ring having an opening in a part and a protrusion having a retaining function, and the dry battery is accommodated and fixed in the ring, and the protrusion is inserted into the hole of the logic package. A method for mounting a dry cell battery in an electrical device, characterized by fixing the dry cell battery. 2. 2. The method of mounting a dry battery in an electrical device according to claim 1, wherein the spring ring of the dry battery fixing device is provided with an L-shaped protrusion in a direction perpendicular to the ring.