JPH01236753A - Device for charging cordless telephone set - Google Patents

Abstract

PURPOSE:To hold a handset in self-standing state by providing a recessed part and a projecting part on the eccentric positions of the handset and a charging pedestal respectively and setting the handset on the charging pedestal only at the time of aligning the recessed part and the projecting part to each other. CONSTITUTION:After the recessed part 7 of a handset 1 is aligned to the projecting part 16 of a charging pedestal 8, the bottom 2 of the handset 1 is inserted with the peripheral wall of a recessed insertion part 9 as the guide to loosely fit the recessed part 7 to the projecting part 16. Then, the bottom 2 is set to a setting face 10 and the handset 1 is held in the self-standing state. Since the recessed part 7 is provided on the eccentric position, the recessed part 7 is loosely fitted to the projecting part 16 only when the handset 1 is directed to the regular direction to the recessed insertion part 9. Only at this time, terminals 4 and 5 to be charged are abutted with charging terminals 11 and 12 to charge a storage battery 3. Consequently, the handset 1 is surely set to the regular position on the charging pedestal 8 to surely charge the storage battery 3.

Description

DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention relates to a charging device for a cordless telephone, in which a handset is seated on a charging stand and can be charged.

2. Description of the Related Art As a conventional charging device for a stand-alone handset of a cordless telephone, a configuration as shown in FIG. 3 is known. The conventional charging device described above will be explained below.

As shown in FIG. 3, the handset 51 has a rectangular bottom surface 62 and has a built-in storage battery 53.

The bottom surface 52 is provided with a terminal 54 to be charged with a positive polarity and a terminal to be charged with a negative polarity 66 for charging the storage battery 53. The charging stand 56 is provided with a seating surface 67 on its upper surface on which the bottom surface 52 of the handset 51 is seated, and a seating guide surface 68 on the upper side. The seating surface 57 has a positive polarity charging terminal 59 and a negative polarity charging terminal 6o.
The charging terminals 59 and 60 are connected via a cord 61 to an AC adapter 62 for power supply.

Next, the operation of the above conventional example will be explained.

The handset 51 is seated on the seating surface 57 of the charging stand 66 along the seating guide surface 68. When the handset 51 is seated in the correct position, its charging terminal 64° 55 is connected to the charging base 5.
It comes into contact with the charged terminal 59 and 60 of No. 6. Thereby, the storage battery 53 built into the handset 51 can be charged.

Problems to be Solved by the Invention However, in the above conventional charging device, the handset 61
This is because the charging stand 66 can be placed not in the normal positional relationship with respect to the seating surface 58, but in a state where the front and back are reversed, or in a slightly awkward state where the - side rides on the lower part of the seating guide surface 58. , In this state, the handset 61 is placed on the charging stand 5.
6, there was a risk that the handset 61 would run out of charge when used. Furthermore, if something hits the handset 51, the handset 51 is likely to come off from its normal seating position with respect to the charging stand 66, and the position must be corrected each time. There were problems such as the possibility of

The present invention solves these conventional problems, and makes it possible to reliably seat the handset in the correct position with respect to the charging stand, reliably charge the storage battery built into the handset, and Even if something hits the handset, there is no risk of the handset shifting from its normal seating position on the charging stand or falling over, eliminating the need for repair work and preventing damage. It is an object of the present invention to provide a charging device for a stand-alone handset of a cordless telephone.

Means for Solving the Problems In order to achieve the above object, the present invention provides a charging stand on which the bottom of a free-standing handset of a cordless telephone is seated, and a storage battery provided in the handset and built in the handset. a charging terminal for charging the handset; a charging terminal provided on the charging stand and abutting the charging terminal when the handset is seated; and a recess formed at an eccentric position on the bottom of the handset. , a protrusion that is provided on the charging stand and is inserted into the recess only when the handset is properly seated on the charging stand and the terminal to be charged and the charging terminal are in contact with each other. be.

Effects The present invention has the following effects due to the above-mentioned groove structure.

In other words, since the recess of the handset and the protrusion of the charging stand are provided at eccentric positions, only when these recesses and the protrusion are aligned, can these four parts and the protrusion be fitted and the handset placed on the charging stand. can be done. This allows the handset to be held in an independent state on the charging stand, and
Touch the charging terminal of the handset to the charging terminal of the charging stand,
It is possible to charge the storage battery built into the handset. Furthermore, by fitting the recess into the protrusion as described above, it is possible to prevent the handset from shifting relative to the charging stand and from falling over.

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

First, a first embodiment of the present invention will be described.

Figures 1a, b, and c show a charging device for a free-standing handset according to a first embodiment of the present invention, in which figure a is an exploded perspective view, and figure 1 shows a state in which the handset is seated on a charging stand. FIG. 2 is a perspective view of FIG.

As shown in FIG. 1 & %C, the handset 1 has a rectangular bottom surface 2 and a built-in storage battery 3. The bottom surface 2 is provided with a terminal 4 to be charged with a positive polarity and a terminal 6 to be charged with a negative polarity for charging the storage battery 3. Each terminal to be charged 4, 6 has a leg portion fixedly attached to a hole 6 in the bottom surface 2. The bottom surface 2 has a cylindrical recess 7 at an eccentric position.
is formed. The charging stand 8 has a shallow recess 9 formed on its upper surface into which the bottom of the handset 1 is inserted, and a seating surface 1o on which the bottom 2 of the handset 1 is seated at the bottom of the recess 9. The seating surface 10 is provided with charging terminals 11 and 12 of positive polarity and negative polarity, which contact charging terminals 4 and 5 of positive polarity and negative polarity of handset 1, respectively. That is, each charging terminal 11 , 12 is formed of a metal piece having spring properties, and its negative side is placed inside the seating surface 10 , and the contact point protrudes upward from the hole 13 of the seating surface 10 . Each charging terminal 11, 12 is connected via a cord 14 to an AC adapter 16 for power supply. The seating surface 10 is integrally provided with a cylindrical protrusion 16 that is loosely inserted into the four parts 6 of the handset 10.

The operation of the above configuration will be described below.

The recess 7 of the handset 1 is aligned with the protrusion 16 of the charging stand 8, and the bottom of the handset 1 is guided by the peripheral wall of the recess 9 of the charging stand 8 and inserted into the recess 9.

As a result, the recess 7 is loosely fitted into the protrusion 16, the bottom surface 2 is seated on the seating surface 10, and the terminals 4 and 5 to be charged are brought into contact with the charging terminals 11 and 12 against their elasticity. At this time, since the recess 6 of the bottom surface 2 of the handset 1 is provided at an eccentric position as described above, the handset 1 is inserted into the recess 9 of the charging stand 8 in the normal direction, and the bottom surface The recess 6 can be refitted into the protrusion 16 only when the handset 2 is seated in the normal position, and the handset 1 is placed on the seating surface 1 of the charging base 8.
Even if an attempt is made to seat the handset in a direction that is not the correct position relative to the handset 1, the protrusion 16 of the charging stand 8 will come into contact with the bottom surface 2 of the handset 1 and get in the way, causing the handset to be seated in an incorrect position. I can't. Therefore, by loosely fitting the recess 6 of the handset 1 into the protrusion 16 of the charging stand 8, it is possible to ensure that the charged terminal 4.6 and the charging terminal 11.12 are brought into contact with each other. The storage battery 3 built into the battery 1 can be charged. Further, by loosely fitting the recess 6 of the handset 1 into the protrusion 16 of the charging stand 8, the handset 1 can be positioned and supported with respect to the charging stand 8, and the handset 1 can be positioned and supported with respect to the charging stand 8. Even if the handset 1 is slightly bumped by something, there is no risk of the handset 1 being displaced from the charging stand 8, and since the handset 1 and the charging stand 8 shake, the handset 1 is less likely to fall over.

Next, a second embodiment of the present invention will be described.

Figures 2a, b, and c show a charging device for a free-standing handset according to a second embodiment of the present invention, in which figure a is an exploded perspective view and figure 2 shows a state in which the handset is seated on a charging stand. Figure C is a sectional view of a main part thereof.

As shown in FIGS. 2a-'c, the handset 21 has a rectangular bottom surface 22 and a built-in storage battery 23.The bottom surface 22 is provided with a protrusion 24 and a slip prevention protrusion 25. A recessed portion 26cc of the bottom surface 22 is provided with a terminal to be charged 27 of positive polarity and a terminal to be charged of negative polarity 28 for charging the storage battery 23. Each terminal to be charged 2
7.28 is inserted into the cylindrical part 29 formed in the recessed part 26 so as to be able to move up and down, and the shaft 30 at the rear thereof is inserted into the cylindrical part 29.
It is inserted into a hole 31 formed on the top surface of the shaft 3o, and is prevented from coming off by a stopper 32 attached to the shaft 3o.

A compression spring 33 is interposed between the terminal to be charged 27.28 and the inside of the top surface of the cylindrical portion 29 on the outer periphery of the shaft 3o, and the terminal to be charged 27.28 is biased downward. A four part 34 is formed on the bottom surface 22 at an eccentric position along the side wall behind the recessed part 26, and a sloped guide surface 35 is notched in the side wall, which is continuous with the recessed part 34 and gradually expands outward as it reaches the lower end open side. It's dark.

In the bottom surface 22, a recess 36, which is slightly shallower than the recess 26, is formed in front of the recess 26, and a notch 37 is formed in the front of the recess 36. The charging stand 38 has a handset 21 on its top surface.
A shallow recess 39 is formed into which the bottom of the recess 3 is inserted.
A seating surface 40 is formed at the bottom of the seat 9. The seating surface 40 has a low protrusion 41 that is inserted into the recess 26 of the handset 21.
is formed, and this protruding portion 41 is provided with charging terminals 42 and 43 of positive polarity and negative polarity that come into contact with charging terminals 27 and 28 of positive polarity and negative polarity of handset 21, respectively. That is, each of the charging terminals 42 and 43 is fixed by having its leg inserted into a hole 44 formed in the protrusion 41. Each of the charging terminals 42 and 43 is connected via a cord 46 to an AC adapter 46 for power supply.

A cylindrical protrusion 47 that is loosely inserted into the recess 34 of the handset 21 is integrally provided on the protrusion 41 of the seating surface 4o. A protrusion 48 that is engaged with the notch 37 of the handset 21 is integrally provided on the front side of the seating surface 40 .

The operation of the above configuration will be described below.

The recess 34 and notch 37 of the handset 21 are aligned with the projections 47 and ridges 48 of the charging stand 38, and the bottom of the handset 21 is guided by the peripheral wall of the recess 39 of the charging stand 38. The inclined guide surface 35 of the charging stand 38
7 and insert it into the recessed part 39. This results in
The recess 34 is loosely fitted into the protrusion 47 , the notch 37 is engaged with the protrusion 48 , the protrusion 24 on the bottom surface 22 and the anti-slip protrusion 26 are seated on the seating surface 40 , and the terminal to be charged 27 is seated on the seating surface 40 .
and 28 against the elasticity of the compression spring 33 to connect the charging terminals 42 and 4.
3. At this time, as described above, the handset 21
Since the inclined guide surface 35 is formed on one side of the open side of the recess 34, the recess 34 can be easily fitted loosely into the protrusion 47 of the charging stand 38. In addition, as in the embodiment of Example 1 above, since the recess 34 of the bottom surface 22 of the handset 22 is provided at an eccentric position, the handset 21 can be connected to the recess 34 of the charging stand 38.
On the other hand, it goes without saying that the recess 34 can be loosely fitted into the protrusion 47 only when the recess 34 is inserted in the correct direction and the bottom is seated in the correct position. By providing the protrusion 48 on the front side of the recessed part 39 of the base 38, the bottom of the handset 21 can be connected to the recessed part 3 of the charging base 38.
Before inserting the handset 21 into the recess 39 of the charging stand 38, the notch 37 must be aligned with the protrusion 48 in the correct direction, otherwise the handset 21 will fall over and cannot be inserted. , the loose fitting work can be performed more easily. As in the first embodiment, the storage battery 23 can be charged and the handset 21 can be prevented from shifting and falling over.

Effects of the Invention As described above, according to the present invention, since the recess of the handset and the protrusion of the charging stand are provided at eccentric positions, only when these recesses and the protrusion are aligned, can the recess and the protrusion At the same time, the handset can be seated on the charging stand. Thereby, the handset can be held in an independent state on the charging stand, and the charging terminal of the handset can be brought into contact with the charging terminal of the charging stand, so that the storage battery built in the handset can be charged. Therefore, the handset can be reliably seated in the correct position with respect to the charging stand, and the storage battery built into the handset can be reliably charged. In addition, by fitting the four parts into the protrusions as described above, even if something hits the handset, the handset can be prevented from shifting from its normal seating position on the charging stand or falling over. This eliminates the need for correction work and prevents damage.

[Brief explanation of the drawing]

Figures 1a, b, and c show a charging device for a free-standing handset according to a first embodiment of the present invention, in which figure a is an exploded perspective view, and figure 1 shows a state in which the handset is seated on a charging stand. FIG. 2C is a sectional view of the main parts thereof. FIGS. 2a, b, and c show a charging device for a stand-alone handset according to a second embodiment of the present invention, and FIG. 2A is an exploded perspective view. , Figure C is a perspective view of the handset seated on the charging stand, Figure C is a sectional view of its main parts, and Figure 3 is an exploded perspective view showing a conventional charging device for a free-standing handset. be. 1...Telephone receiver, 3...Storage battery, 4.
5...Terminal to be charged, 7...Recessed portion, 8.
...Charging stand, 1o...Seating surface, 11.1
2... Charging terminal, 21... Handset/receiver,
23... Storage battery, 27.2B... Terminal to be charged, 34... Recess, 38... Charging stand, 4o... Seating surface , 42.43...
Charging terminal. Name of agent: Patent attorney Toshio Nakao and 1 other person No. 1
Figure 1 (C) Figure 12 (Figure 2) 23-Electric storage unit 47-Top Figure 3

Claims (1)

[Claims] a charging stand on which the bottom of a free-standing handset of a cordless telephone is seated; a charging terminal provided on the handset and used to charge a storage battery built into the handset; a charging terminal that comes into contact with the charging terminal when the handset is seated, a recess formed at an eccentric position on the bottom of the handset, and the charging stand;
A charging device for a cordless telephone characterized by comprising a protrusion that is inserted into the recess only when the handset is properly seated on the charging stand and the terminal to be charged and the charging terminal are in contact with each other. .