JP2000184605A - Charging device for small-sized electric apparatus - Google Patents

Abstract

PROBLEM TO BE SOLVED: To constitute a charging device comprising a charging unit and a desk type holder in such a manner that detachable unification is possible for the purpose of portable transportation and use. SOLUTION: This charging device is so constituted that a charging unit A and a desk type holder B can be detachably integrated and are connected with each other through a connection cord 4. Engaging means 5, 8 for integrating the unit A and the holder B are installed between them. The holder B is equipped with a reel 10 for winding up the cord 4. The reel 10 is capable of automatic winding with a winding spring 12. The holder B is equipped with a holding part 18 which is inclinably connected with the end of a holdier case 6 containing the reel 10.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a charging unit (adapter) for supplying power to a small electric device and a table holder for supplying electricity from the charging unit by setting the small electric device in a predetermined posture. BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a charging device for a small electric device which can be used and integrally stored in a table holder which can be separated and integrated.

[0002]

2. Description of the Related Art When a secondary battery built in a mobile phone or the like is depleted of electricity and is supplied with power, the power is supplied from a desktop holder for receiving the mobile phone or the like and from a commercial power source to a DC power source. A battery connected to a charging unit by a connection cord is generally used. In general, a portable telephone is obliquely inserted into a desktop holder, and its own weight is used to connect terminals to supply electric power.

On the other hand, when the charging unit is integrated into the desktop holder, if the power is to be supplied at a position distant from the wall outlet in the room, for example, the connection cord for AC 100 V is thick, and the connection cord for carrying after use is large. In consideration of portability, it is desirable to make the connection cord as thin as possible. Therefore, the charging unit is provided separately from the desktop holder, and the desktop holder is connected to the desktop holder by using a thin connection cord that reduces the voltage from the AC power supply and supplies a small DC power from the demand of portability while securing a certain amount of space. The charging unit is provided separately as described above.

In the early mobile phones, the control unit for limiting charging when the built-in secondary battery was fully charged was not provided, so the control unit was also provided on the charging unit side. In recent mobile units, only the control unit is provided in the mobile phone in order to avoid a risk of explosion when the secondary battery is fully charged when charging by a charging unit other than the designated charging unit. Accordingly, the charging unit generally does not have a control unit.

[0005]

As described above, a desktop holder for a recent portable telephone and a charging unit are generally formed separately and separately from each other, and both are connected by a connection cord. However, since the desktop holder and the charging unit are separate units, it is inconvenient to carry the portable unit. In actual carrying, a cord connecting the both is wrapped around the portable unit and carried. For this reason, the case of the desktop holder or the case of the charging unit may be damaged, or the connection cord may be disconnected.

In view of the above problems, the present invention allows the charging unit and the desktop holder to be detachably detachably integrated with a simple configuration, and to take up the connection cord so as to facilitate transportation of both. It is an object of the present invention to provide a charging device for a small electric device.

[0007]

According to the present invention, as a means for solving the above-mentioned problems, a charging unit for stepping down electric power from a commercial power supply and converting it into DC power, and a small electric device which is detachably held and held. A desktop holder for supplying power to the desktop unit is provided separately, and both are connected by a connection cord so that power is supplied from the charging unit to the desktop holder. Thus, the charging device for a small electric device is provided with a connecting means for detachably and integrally connecting the charging unit.

[0008] The charging apparatus of the present invention having such a configuration is used in a state where the charging unit is separated from the desktop holder or is integrated and incorporated.
When used separately, the connection cord is pulled out from the winding means of the desktop holder, the charging unit is separated from the desktop holder, the charging unit is connected to an outlet on the indoor wall, and power is supplied to the desktop holder. And sends electric power to the secondary battery or the like.

After use, the connection cord is wound around the desktop holder by the winding means. Thus, when the charging unit is integrated with the desktop holder and assembled, the connection cord is not disturbed and both can be integrated into a portable form. The combination of the two is also used as it is. In this case, the small electrical device is set on the desktop holder that is integrated by inserting the leading edge of the charging unit directly into the wall outlet.

[0010]

Embodiments of the present invention will be described below with reference to the drawings. 1 and 2 are external perspective views of the charging device of the embodiment, and FIG. 3 is an exploded perspective view of a desktop holder. As shown, the charging device comprises a combination of a charging unit A and a desktop holder B. Although not shown, the charging unit A has a built-in power conversion unit that converts power from an AC commercial power supply into DC, steps down the voltage, and sends out the voltage as a DC current of a predetermined voltage. A recess 2 is provided on one side of the main body case 1 of the charging unit A, and a blade 3 is rotatably provided inside the recess 2.

The plug blade 3 is protruded from the outer surface of the case 1 and connected to an outlet provided on a wall in the room to receive AC power, convert the power to DC, and reduce the voltage to a predetermined voltage to reduce the size of the electric power. Since a small power suitable for the device is sent out from the connection cord 4, the connection cord 4 is a thin cord. The case 1 has a small pocket size enough to fit on the palm and is made to be flat and thin.
Engagement grooves 5 for engaging with the desktop holder B are provided at three places on the outer surface of the case 1. In FIG. 1, the locking groove 5 is 2
Although only one is shown, the third locking groove 5 is shown in FIG. 4 and will be described later.

The desktop holder B is a holder for holding the mobile phone in a slightly inclined shape when charging the secondary battery of the mobile phone. The desktop holder B is formed separately from the charging unit A and has a connection cord 4. Are connected to each other to supply the power from the charging unit A to the mobile phone, and to be detachably integrated with the charging unit A so as to be integrated.

The holder case 6 has a concave surface 7 on one side, and the charging unit A is inserted into the concave surface 7, and the two fixed engaging pieces 8, 8 and one movable engaging piece 9 age,
These are locked and integrated. As shown in FIG. 3, when the side plate of the concave surface 7 is removed, a reel 10 for winding the connection cord 4 is rotatably mounted around a shaft 11 inside the side plate. Ratchet pawls 10a are formed at a plurality of positions on the reel plate on one side of the reel 10, and the movable engagement piece 9 also functions as a release unit that releases the ratchet pawls 10a.

One side of the reel plate of the reel 10 is cut into a concave surface by cutting the inner diameter side from the reel diameter of the cord winding surface.
The winding spring 12 is inserted there. This winding spring 1
The inner end of 2 is engaged with the shaft 11, and the other end is engaged with the inner diameter groove of the reel. The shaft 11 is fixedly provided on the concave surface 7. The winding spring 12 is set in the concave surface so that the connection cord 4 is fully extended when it reaches a minimum diameter in a contracted state from its natural length. In the extended state of the cord, a spring force is always applied. Thus, the connection cord 4 can be automatically wound on the reel 10.

The total amount of the connection cord 4 (a fixed length of about several meters)
Is pulled out from the reel 10, the winding spring 12 is contracted at the maximum tension.
Tries to wind up the connection cord 4 with the spring force of
Rotation of 0 is prevented by engaging the movable engagement piece 9 with the ratchet claw 10a in an arbitrary winding state, and the ratchet claw 10a and the movable engagement piece 9 serve as limiting means for limiting winding. It also serves as connection code 4
Can be maintained in a desired feeding length state. Therefore, in this embodiment, the winding means comprises the reel 10 and the winding spring 12.
And means for restricting winding. In this embodiment, the movable engaging piece 9 is used for both the locking by the locking means and the restriction by the restricting means, but these means may be provided separately.

The movable locking piece 9 is formed integrally with the pressing plate 9a, and a small rotating shaft 9b is formed integrally with the end of the pressing plate 9a. When the push plate 9a is assembled and inserted inside the side plate of the concave surface 7 by the small spring 13, the push plate 9a is attached so as to be able to be pressed from the outside of the window hole 14, and is inserted into a bearing provided around the window hole 14. 9b is pressed by the pressing piece 15, and when the pressing plate 9a is pressed, it rotates about the rotating shaft 9b.

Reference numeral 13a denotes a fixed shaft of the small spring 13. or,
The movable locking piece 9 protrudes outside from the notch 16. 6
x is a notch for guiding the connection cord 4, and 17 is a notch for guiding the connection cord to the holding part 18 of the mobile phone. FIG.
As shown in the partial cross-sectional view of FIG. 3, the holding portion 18 is attached to the holder case 6 so as to be tiltable with the hinge 20 guided by the guide 21 at the center, and holds the mobile phone inserted into the pocket 19 in an inclined shape. I can do it.
22 is a non-slip. The third locking groove 5 is provided slightly wider than the width of the movable locking piece 9 corresponding to the movable locking piece 9 as shown.

FIG. 5 is a plan view as seen from an arrow VV in FIG. It can be seen from FIG.
It can be seen that both ends are respectively locked in the reel inner diameter groove. Further, a state where the ratchet claw 10a is engaged with and held by the movable locking piece 9 is also shown. FIG. 6 shows the reel 1
FIG. 5 is a plan view of the bottom surface (top plate) of the holder case 6 in a state where 0 and a winding spring 12 are also removed.

A shallow groove is formed in the bottom surface of the holder case 6, two thin linear conductors 30 and two circular ring conductors 31 are inserted in the groove, and an insulating plate 32 is placed thereon. Further, two connecting plates 3 are provided on one side of the insulating plate 32.
3 are provided on top of each other, and the projecting material is a circular ring conductor 31.
And a connecting cord 4 is connected to the base end of the connecting plate 33. A connection cord 34 is connected to one end of the linear conductor 30, and the other end is connected to a terminal 35 that is provided to be able to protrude from the inside of the holding portion 18 to the pocket 19.

The electric power supplied from the connection cord 4 according to the above configuration is supplied to the connection plate 33, the circular conductor 31, the straight conductor 3
0, the connection code 34, and the terminal 35 to the mobile phone.

The charging device of the embodiment configured as described above is used as follows. The charging unit A and the desktop holder B of the charging device can be used separately and separately from each other, or can be used by being integrated with each other.
As shown in FIG. 8, when the two are used separately, the charging unit A is inserted into an outlet near the wall, and the connection cord 4 is used.
Is extended by an appropriate length, the desktop holder B is placed at a remote position, and the mobile phone X is inserted and charged there.

When the connection cord 4 is paid out, the push plate 9a
Is pressed to pull out the connection cord 4 by hand, and when the connection cord 4 is fed out by an appropriate length, the pressing of the push plate 9a is released by that length. Is stopped, and the feeding length of the connection cord 4 is maintained in this state. The internal electrical connection of the connection cord 4 is based on the circular ring conductor 31 and the straight conductor 3 described above.
2 and the like, the reel 10 can be obtained no matter where it is rotated. In this state, power is supplied to the terminal 35 of the holding unit 18 and the portable telephone X inserted into the pocket 19 is supplied with power. Charging is performed.

When the charging is completed, the charging unit A is disconnected from the outlet and combined with the desktop holder B to be integrated.
At this time, if the push plate 9a is pushed to release the engagement with the ratchet claw 10a, the reel 10 is rotated in the direction of winding the connection cord 4 by the spring force of the winding spring 12. When the charging unit a is inserted into the concave surface 7 of the desktop holder B while pressing the push plate 9a,
The locking piece 9 integrally formed with the push plate 9a is
Is locked in the locking groove 5 on the back side of the head and is integrated.

FIG. 9 shows an example in which the charging unit A is used while being integrated with the desktop holder B. In this case, the plug blade 3 of the charging unit A is connected to the wall outlet C while the connection cord 4 is wound around the desktop holder B. The holding unit 18 holds the mobile phone X in an inclined state as shown in this use state. At this time, it is assumed that the ridge provided on the pocket 19 of the holding portion 18 of the mobile phone X engages with a groove provided on the side of the phone X.

FIG. 10 shows another use state. Although the charging unit A is not shown in the figure, the mobile phone X
This is because the example is used as one of communication means such as X. The power may be transmitted from the charging unit A, and the communication code t is connected to the mobile phone X inserted in the desktop holder B. When the mobile phone X is used as one of the communication means, the charging mode is switched to the communication mode, the other party's FAX is called by operating the telephone number call button of the mobile phone X, and the personal computer connected to the mobile phone X (FIG. (Not shown) is transmitted to the other party's FAX.

[0026]

As described above in detail, the charging device for a small electric device according to the present invention connects a charging unit formed separately from a desktop holder for holding the small electric device with a connection cord, and Since the connection cord is wound up by the winding means provided on the holder and the charging unit is detachably connected to the holder by the connecting means, the charging unit and the desktop holder must be used separately when used. When the user carries both of them, the user can carry them together by combining them, and the connection cord is wound up on the desktop holder, so that the overall size can be reduced.

[Brief description of the drawings]

FIG. 1 is an external perspective view of an integrated state of a charging device according to an embodiment.

FIG. 2 is an external perspective view showing a state where a charging unit and a desktop holder of the charging device are separated.

FIG. 3 is an exploded perspective view of the desktop holder.

FIG. 4 is a partial sectional view of the charging device in an integrated state.

FIG. 5 is a plan view as viewed from an arrow VV in FIG. 4;

FIG. 6 is a plan view showing a state where a reel shown in FIG. 5 is removed;

FIG. 7 is a sectional view taken along the line VII-VII in FIG. 6;

FIG. 8 is an explanatory diagram of a use state.

FIG. 9 is an explanatory diagram of a use state.

FIG. 10 is an explanatory diagram of a use state.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Case 2 Recess 3 Plug blade 4 Connection cord 5 Engagement groove 6 Holder case 7 Concave surface 8 Fixed locking piece 9 Movable locking piece 10 Reel 11 Axis 12 Winding spring 13 Spring 18 Holding part 19 Pocket A Charging unit B Desktop holder

Claims (5)

[Claims] 1. A charging unit, comprising: a charging unit that steps down power from a commercial power supply and converts it into DC power; and a desktop holder that detachably holds a small electrical device and supplies power to the device. Are connected by a connection cord so as to supply electric power to the desktop holder from above, and the desktop holder is provided with winding means for winding the connection cord and connecting means for detachably connecting the charging unit integrally to one side of the holder. Charging device for small electric equipment. 2. The connecting means is a plurality of sets of locking means comprising a groove provided on one of the charging unit and the desktop holder and an engaging piece provided on the other, and one of the engaging pieces is movable. 2. A charging unit which is provided as an engaging piece, and is formed so as to be able to separate the integrally-connected charging unit from the desktop holder by operating the movable engaging piece to release the locking by the locking means. The charging device for a small electric device according to claim 1. 3. The take-up means is constituted by a take-up reel, a spring for driving the take-up reel, and a limit means for restricting the take-up. 3. The charging device for a small electric device according to claim 2, wherein the connection cord is automatically wound by the control device. 4. The charging device for a small electric device according to claim 3, wherein the movable engagement piece is provided for both releasing the locking means and releasing the limiting means. 5. The charging device for a small electric device according to claim 1, wherein a holder for holding the small electric device of the desktop holder is provided to be tiltable with respect to the desktop holder body. .