JPH018048Y2 - - Google Patents

Description

[Detailed Description of the Invention] The present invention relates to a power battery mounting device for a public telephone that uses a battery as one of the power sources.

Public telephones that use multiple dry batteries as one of their power sources are being considered as a measure against commercial power outages. In public telephones that use multiple dry batteries as one of their power sources, battery maintenance is a simple and quick way to replace the batteries when they become unusable due to decreased functionality. This is one condition from the aspect. In addition, when replacing the battery, it is desired from the aspect of telephone management that the battery can be replaced through a separate doorway other than the one provided in the telephone, in order to inspect the money handling section and collect fees. Care must also be taken to prevent phone parts from becoming contaminated due to battery deterioration.

In order to satisfy the above-mentioned requirements, the present invention prepares a cartridge-type battery in which multiple dry batteries are housed in a battery box and can be outputted by connecting parts, and this is inserted into the phone case. To provide a power supply battery mounting device for a public telephone, which can be inserted into a battery box storage container attached to a door plate provided on the bottom and mounted inside the telephone by pressing the door plate.

Hereinafter, the present invention will be specifically explained with reference to embodiments shown in the drawings.

1 to 7 show an embodiment of the power supply battery mounting device of the present invention, and FIGS. 1 to 3 show a lower casing 2 in which a dry battery 1 is housed.

As shown in Figures 1 to 3, there is a partition plate 1 inside the lower casing 2.
Connecting parts 3b, 3c, 3 for electrically connecting the plurality of dry batteries 1 in each row to each other, in which dry batteries 1 are housed in a plurality of rows separated by lines 1d and 1d.
d, 3e, 3f, 3g, 3h, 3i, and 3j are insulated from the lower casing 2 and are connected to walls 1a, 1b at both ends of the lower casing 2.
is installed inside. Jack-shaped connecting parts 3a and 3k for guiding the connected battery output to the outside are installed at the end of the outer part 1e of the lower casing 2. The upper housing 4 can be attached to and removed from the upper opening surface of the lower housing 2. Therefore, when the upper case 4 is attached, the plurality of dry batteries 1 housed therein are wrapped by the lower case 2 and the upper case 4, forming a battery box 5 in the form of a cartridge.

4 to 7 illustrate a power supply battery mounting device for a public telephone to which the battery box 5 is mounted.

A battery box storage compartment 22 separated by a partition wall 21 is provided in the lower part of the telephone housing 7, and a battery box storage container 6 is installed inside this compartment 22.
This battery box storage container 6 is located on the bottom surface 7a of the phone housing 7.
When the door plate 9 is in the closed state, the battery box storage container 6 is stored in the battery box storage compartment 22. 6), the door plate 9 is the hinge 8
When the battery box storage container 6 is rotated around the axis 8a and opened downward due to gravity, the battery box insertion opening 6a of the battery box storage container 6 is visible from the outside (Fig. 7). . Then, when the battery box 5 is inserted through the opening 6a of the battery box storage container 6 with the outer side 1a shown in FIG. Two plug-shaped connecting parts 10 are protruded from the inner wall of the battery box storage container 6 so that the plug-like connecting parts 10 are connected to each other.

The door plate 9 is provided with a catch 11 having an engaging protrusion 11a for engaging with the opening 7b on the bottom of the phone case to regulate the degree of opening when the door plate 9 is in an open state. When the door plate 9 is closed, the telephone housing 7
The door plate 9 engages with the locking lever 13 provided on the side.
Engagement protrusion 1 for locking and holding in the closed state
A latch 12 having 2a is provided.

The locking lever 13 is attached to the telephone housing 7 by a shaft 14.
It is rotatably attached to the locking lever 1.
3 includes a tapered surface 13a and a locking surface 1 for engaging with the locking protrusion 12a of the latch 12 and automatically locking the lock when the door plate 9 is closed.
3b, and the other end has a pin 13c.
It is equipped with This pin 13c is connected to an L that is rotatably attached to the telephone housing by a shaft 16.
It is loosely fitted into and engaged with the elongated hole 15a of the letter-shaped release lever 15. This release lever 15 is supported by a stopper 17 and stopped in a steady state by a clockwise rotational force (in FIG. 6) about a shaft 16 provided by a spring (not shown), and the shaft 14, shaft 16 and pin 13c and long hole 15
The engagement point with a is almost in a straight line.
When the lock lever 18 is rotated, the other end of the release lever 15 engages with a pin 19 provided on the lock lever 18, and the release lever 15 moves counterclockwise (sixth and seventh positions).
(in the figure). The lock lever 18 is attached to an operating shaft 20a of a lock 20 which is operated by a key from outside the telephone housing 7 in order to open the door plate 9, and is normally operated by a rotational force applied by a spring (not shown) as shown in FIG. Release lever 15
It is separated from the other end 15b. When the lock lever 18 is rotated by a certain angle with the key, the pin 19 engages with the other end 15b of the release lever 15, and the release lever 15 is rotated against the shaft 16 against the rotational force applied by a spring (not shown). The locking lever 13 is rotated counterclockwise (in FIG. 6) about the shaft 14 through the pin 13c engaged with the elongated hole 15a of the release lever 15. (in figure 6),
Therefore, the locking surface 13b of the locking lever 13 is
2, and the door plate 9 opens downward due to gravity.

Further, on the inner surface of the battery box storage section 22, a fourth,
As shown in FIG. 5, a press switch 24 equipped with a make contact is fixed at a position facing a press piece 9a provided at the side end of the door plate 9, and when the door plate 9 is closed, this press piece 9a The press head 24a of the press switch 24 is pressed to close the make contact. This press switch 24
The make contact opens and closes the electric circuit connecting the plug-shaped connecting part 10 of the battery box storage container 6 and a telephone circuit (not shown).

Next, the operation of the thus configured power supply battery mounting device for a public telephone will be explained.

First, by inserting a predetermined number of dry batteries 1 into the lower case 2 in a specified direction and covering the top surface with the upper case 4, the dry batteries 1 are electrically connected to each other by the connecting parts 3b to 3j. A battery box 5 for replacing a power source battery is prepared in the form of a cartridge which can take out the battery output to the outside through jack-shaped connecting parts 3a and 3k. This work can be done in advance at a telephone office or the like, so checking the output voltage can be done using a built-in tester.

To attach the battery box 5 to a public telephone,
First, insert the key into the lock 20 clockwise (Figure 6)
Rotate it. At this time, the operating shaft 20a rotates clockwise (FIG. 6), and the pin 19 fixed to the lock lever 18 engages with the other end 15b of the release lever 15, and the rotational force applied by the spring (not shown) The release lever 15 is then rotated counterclockwise (FIG. 7) about the shaft 16. This rotation causes the locking lever 13 to rotate clockwise about the shaft 14 via the pin 13c engaged in the elongated hole 15a, and the locking surface 13b separates from the locking protrusion 12a of the latch 12. Then, the door plate 9 to which the battery box storage container 6 is attached is rotated downward at a certain angle about the axis 8a of the hinge 8, and the engagement protrusion 11a of the catch 11 engages with the opening 7b of the telephone housing 7. It is locked and stopped. For this reason, as shown in FIG. 7, the opening 6a of the battery box storage container 6 is
It protrudes below a and becomes visible from the outside of the telephone housing 7. In this case, the clockwise direction (seventh
When the rotational force shown in FIG. 2 is removed, the lock lever 18 is restored to the position shown in FIG. The force restores it to the position shown in FIG.

With this door plate 9 open, insert the battery box 5 into the opening 6a of the battery box storage container 6 in a direction in which its jack-shaped connecting parts 3a and 3k face the plug-shaped connecting parts 10 of the battery box storage container 6. By pressing, the battery box 5 is installed in the battery box storage container 6, and its jack-shaped connecting parts 3a and 3
k is connected to a plug-like connection part 10 of the battery box storage container 6.

Next, push the door plate 9 upward and attach the door plate 9 to the hinge 8.
Rotate clockwise (Fig. 6) about the shaft 8a. At this time, the engaging protrusion 12a of the latch 12 attached to the door plate 9 comes into contact with the tapered surface 13a of the locking lever 13, and the locking lever 13 is rotated around the shaft 14 against the rotational force of a spring (not shown). direction (FIG. 6), and when the door plate 9 comes to a position where the opening 7a of the telephone housing 7 is almost closed, the engaging protrusion 12a of the latch 12 passes over the tapered surface 13a of the locking lever 13. At this time, the locking lever 13 is rotated counterclockwise about the shaft 14 by a rotational force applied by a spring (not shown), and the locking lever 13 is rotated counterclockwise around the shaft 14 so that the locking lever 13 engages the locking protrusion 1 of the latch 12 with its locking surface 13b.
The door plate 9 is held in a closed state by locking the door plate 2a. At this time, the pressing piece 9a provided at the side end of the door plate 9 is pressed against the pressing head 2 of the pressing switch 24.
4a to close its make contact so that the battery output from the battery box 5 can be supplied to a telephone circuit (not shown) via the plug-like connecting part 10 and the make contact of the push switch 24.

To remove the battery box 5 from the battery box storage container 6, insert a key (not shown) into the lock 20 and rotate the actuating shaft 20a clockwise (FIG. 6), so that the pin 19 is released from the release lever 15. Press the other end 15b, rotate the release lever 15 counterclockwise around the shaft 16 (FIG. 6), and release the locking lever 13 via the pin 13c that engages with the elongated hole 15a. The locking surface 13b of the locking lever 13 is rotated clockwise about the shaft 14 to lock the locking surface 13b of the locking lever 13 into the latch 12.
is detached from the engaging protrusion 12a, and the door plate 9 is moved counterclockwise around the shaft 8a by its own weight (Fig. 6).
to open the door plate 9 so that the engaging protrusion 11a of the catch 11 is locked in the opening 7b of the telephone housing 7. At this time, the battery box 5 and the opening 6a of the battery box storage container 6 can be seen from the outside of the telephone housing 7, so that the battery box 5 can be easily removed.
Further, when the door plate 9 is opened, the press switch 24, which had been pressed by the press piece 9a, is restored and the make contact is opened, so that the battery output is not supplied to the telephone circuit (not shown).

As explained above, according to the present invention, a plurality of dry batteries 1 are housed in a battery box 5 in the form of a cartridge, and can be easily inserted through the door plate 9 provided at the bottom of the phone housing 7 for battery replacement. Since the battery can be installed and removed with a simple operation, the battery can be replaced quickly and reliably, and the battery box 5 can be stored in the battery box storage compartment 22 provided at the bottom of the phone housing 7. This structure ensures that major components such as the hard processing section and telephone circuitry are prevented from being contaminated due to battery deterioration, etc., and a battery that is easy to replace and maintain and is less susceptible to contamination due to battery deterioration is used as one of the power sources. This can be very effective in realizing public telephones.

[Brief explanation of the drawing]

FIG. 1 is a front view showing an embodiment of the battery box of the power supply battery mounting device of the present invention, FIG. 2 is a view taken along arrow A in FIG. 1, and FIG. 3 is a perspective view of the battery box shown in FIG. 1. FIG. 4 is a front view showing one embodiment of the power supply battery mounting device of the present invention, FIG. 5 is a cross-sectional view of FIG. 4, FIG. 6 and FIG. FIG. 6 is a diagram showing a state in which the door plate of the mounting device is closed, and FIG. 7 is a diagram showing a state in which the door plate of the mounting device is open. 1... Dry battery, 2... Lower casing, 3b to 3j... Connection parts, 3a, 3k... Jack-shaped connection parts, 4
...Upper casing, 5...Battery box, 6...Battery box storage container, 6a...Opening, 7...Telephone case, 7b...
...Opening, 8...Hinge, 9...Door plate, 10...Plug-like connecting part, 11...Latch, 11a...Engaging protrusion, 12...Latch, 12a...Engaging protrusion, 13
...Locking lever, 15...Release lever, 17...
Stopper, 18...Lock lever, 20...Lock,
22...Battery box storage compartment.

Claims (1)

[Scope of utility model registration request] a cartridge-type battery box 5 that accommodates a plurality of batteries 1, electrically connects the batteries 1 to each other, and holds the batteries so that they can be outputted from connecting parts 3a and 3k; the battery box 5 is detachably attached; A battery box storage container 6 that accommodates and holds the battery so that its battery output can be outputted from the connecting part 10; provided on the bottom surface of the phone housing 7 so as to be openable and closable; the battery box storage container 6 is mounted and in a closed state; When the battery box storage container 6 is in the open state, the battery box storage container 6 is stored in the battery box storage compartment 22 provided at the bottom of the phone housing 7, and when the battery box storage container 6 is in the open state, the opening 6a of the battery box storage container 6 is inserted into the Housing 7
A door plate 9 is locked at an opening degree regulated by a catch 11 at a position exposed from the outside; when the door plate 9 is closed, the door plate 9 engages with a latch 12 fixed to the door plate 9 and closes the door plate. Locking lever 1 that locks 9 in the closed state
3; A power supply battery mounting device for a public telephone, comprising a release lever 15 that engages with a lock lever 18 to release the locked state between the locking lever 13 and the latch 12.