JPH0468849B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Technical Field] The present invention relates to a charging device for charging a rechargeable electric device.

[Background technology] Rechargeable electrical devices that charge for a predetermined period of time require a separate storage space because they are connected to the charger only when charging and are normally stored in another storage location such as a sink. Moreover, the disadvantage was that the electrical devices were not easy to use because the storage and charging locations were different. Furthermore, the float charging type has the disadvantage that it consumes a large amount of power during charging because it is constantly charged.

[Purpose of the invention]

Therefore, an object of the present invention is to provide a charging device that is easy to use for rechargeable electrical equipment and consumes less power during charging.

[Disclosure of the invention]

The present invention includes a rechargeable electric device provided with a storage battery, and a charger formed with a recessed portion for accommodating the rechargeable electric device, and a fixed plug pin and a fixed plug pin are attached to one of the rechargeable electric device and the charger in a protruding direction. A movable plug pin biased by a spring is provided, the other is provided with a pair of connecting fittings for connecting the fixed plug pin and the movable plug pin, and the rechargeable electrical device is connected to the fixed plug pin while housed in the recess. A receiving part for supporting the movable plug pin is provided on the connecting fitting to which the movable plug pin is connected so that the connecting fitting and the fixed plug pin are in a spaced relationship, and the rechargeable electric device is housed in the recess. a retaining means for removably retaining the fixed plug pin when the rechargeable electrical device is pushed in against the spring force of the movable plug pin;
The present invention is characterized in that the fixed plug pin is provided on the fixed plug pin and the connecting fitting that connects the fixed plug pin.

According to the structure of the present invention, when the rechargeable electric device is accommodated in the recess of the charger, the fixed plug pin is supported in a state separated from the connection fitting by the spring force of the spring that biases the movable plug pin, and in this state can be kept in storage. Further, the charged state of the rechargeable electric device is determined by pushing the rechargeable electric device from its storage location against the spring force of the spring, and the device is prevented from coming out by the detachment preventing means of the fixed plug pin and the connecting fitting. After charging is completed, the rechargeable electric device is held in a stored state by being pulled out from the retaining means.

In this way, rechargeable electrical devices can be stored in the recess, so there is no need to provide a separate storage space, and storage and charging operations are easy, making them convenient to use.Furthermore, easy storage reduces consumption during charging. Power consumption can be reduced. Moreover, since the rechargeable electrical device can be selectively maintained in the storage state and the charging state using existing plug pins and connection fittings, no separate member such as a switch is required.

An embodiment of the invention is shown in FIGS. 1 to 14. That is, this charging device includes a rechargeable electric device 1, which is an electric shaver as an example, and a charger 2.

As shown in FIGS. 3 to 6, the rechargeable electric device 1 includes a chassis 4 mounted inside a main body casing 3, a cover 5 covering the casing 3, and a motor 6 disposed above the chassis 4. A reciprocating conversion means 7 is connected to the motor 6 to provide an inner cutter body 8, and an outer cutter frame 9 with a trimmer 9a is attached to the upper end of the casing 3. Further, a storage battery 10 is provided at the bottom of the chassis 4, and a cathode terminal 1 is connected to the cathode of the storage battery 10.
1 is provided and connected to the motor 6, and a fixed plug pin 12, which also serves as an anode terminal, is connected to the anode of the storage battery 10 and is exposed through a waterproof rubber 13 to a recess 14 on the bottom surface of the main body casing 3. The tip of the fixing plug pin 12 has a ball portion 12a constituting a retaining means, and a neck portion 12b is formed at the base of the ball portion 12a. Further, the fixed plug pin 12 and the lower end of a switch plate 15 provided on the chassis 4 are electrically connected, and a switch handle 16 is slidably provided on the main body casing 3 opposite to the upper end plate 15a of the switch plate 15. 15 upper end 1
I try to press 5a. On the other hand, a plug lever 17 is provided in the guide groove 4a of the chassis 4 so as to be movable up and down, and the movable plug pin 18 at the lower end is
Recess 1 in the bottom of casing 3 via ring 19
4 protrudes parallel to the fixed plug pin 12,
A contact piece 17a at the upper end of the plug lever 17 contacts the charging contact portion 11a of the cathode terminal 11, a switch regulating plate 17b is provided at the upper end, and a coil spring 20 is provided at an intermediate position of the plug lever 17. The entire plug lever 17 is biased downward, that is, in the direction in which the movable plug pin 18 protrudes. Furthermore, the upper end 15a of the switch plate 15
A fixed contact plate 21 is provided on the side of the motor 6 facing the motor 6 , and the fixed contact plate 21 is connected to an anode terminal 22 of the motor 6 .

With this configuration of the rechargeable electric device 1, when power is supplied to the movable plug pin 18 and the fixed plug pin 12, the storage battery 10 is charged. In addition, when the storage battery 1 is charged, the switch handle 16
When the switch plate 15 is turned on, the switch plate 15 comes into contact with the fixed contact plate 21, the motor 6 is activated, and the inner cutter body 8 moves back and forth to become ready for shaving.

Next, the charger 2 will be explained. As shown in FIGS. 7 to 10, a recess 24 accommodates the bottom of the rechargeable electric device 1 in the casing 23 in a fitted state.
A viewing notch 24a facing the bottom thereof is formed, and the plug pins 12, 18 are formed at the bottom.
Connecting fittings 25 and 26 corresponding to the above are provided. Of these, the connection fitting 2 connected to the movable plug pin 18
5 is a receiving part 27 having a narrow diameter part in the middle part.
The plug pin 18 is supported by the receiving portion 27. That is, this receiving portion 27 is connected to the recessed portion 24.
A first positioning portion A is configured to house the rechargeable electric device 1 in the housing and position the rechargeable electric device 1 in a non-charging state by supporting the plug pin 18 in the receiving portion 27 of the connection fitting 25. Furthermore, the connecting fitting 26 connected to the fixed plug pin 12 is split in the axial direction to form a narrow diameter part 28 having an elastic action that constitutes a retaining means, and the ball part 12a of the fixed plug pin 12 is fitted into the connecting fitting 26. It acts as a retainer that can be removed by pressing the button. In other words, this plug pin 12
The state of fitting to the connection fitting 26 indicates that the rechargeable electrical device 1
A second positioning part B is configured to house the battery in the recess 24 and position it in a charged state. The first and second positioning portions A and B are continuously formed with a slight interval in the opening direction of the recess 24.
Further, a power transformer 30 and a charging control circuit 31 are provided in the equipment housing section 29 of the casing 23, and the circuit section 31 and the connecting fittings 25 and 26 are connected by a lead wire 32, and a light emitting diode 33 for checking the charging state is provided. is provided, and a button 34 is provided.
The power cord 35 is pulled out through the . The inside of this storage section 29 is filled with urethane resin 36 and closed with a back cover 37 to make it waterproof.

11 and 12 show the storage state in which the rechargeable electric device 1 is housed in the recess 24 of the charger 2,
It is in a state where it is positioned by the first positioning section A. The state in which the rechargeable electric device 1 is inserted is seen through the notch 24a. At this time, plug pin 1
2 and 18 and the relationship between the connecting fittings 25 and 26.
The difference is made so that it is supported by Since the plug pin 18 is supported by the spring 20, the fixed plug pin 12 is not connected to the connecting fitting 26.
Therefore, it is kept in an uncharged state.

13 and 14 are in a charging state and are positioned by the second positioning section B. That is, the first and second positioning parts A,
B are formed in continuous positions, so when charging, move the rechargeable electric device 1 from the stored state to the recess 2.
Just push it further into 4. At this time, spring 20
is compressed and the fixing plug pin 12 is connected to the connecting fitting 26.
The ball portion 12a penetrates through the narrow diameter portion 28 and becomes locked, and is positioned in that state without being accidentally removed. As a result, the plug pins 12 and 18 are connected to the connecting fittings 25 and 26, and the charging state is established. Furthermore, when the plug lever 17 moves upward, the switch regulation plate 17b is positioned between the upper end 15a of the switch plate 15 and the fixed contact plate 21, so that the switch handle 1 is
Even if the motor 6 is turned on, the motor 6 does not operate. When charging is completed, when the rechargeable electric device 1 is lifted and the bulb part 12a is pulled out from the elastic narrow diameter part 28, the movable plug pin 18 protrudes due to the coil spring 20 and is supported by the first positioning part A, as shown in FIG. And the storage state shown in FIG. 12 is obtained.

With this configuration, in both the predetermined time charging type and the float charging type, there is no need for a separate storage space for the rechargeable electrical equipment 1, and when the rechargeable electrical equipment 1 is inserted into the charger 2, the rechargeable electrical equipment Equipment 1
Once the device is in the storage position, it can be charged by simply pushing it back in from the storage position, making it easy to use and ensuring that the storage location is always in the same position, preventing it from getting lost. Furthermore, there is no need to constantly charge the battery, and the power consumption due to charging is reduced.

Note that the connecting fitting 26 may have a large-diameter portion that fits into the ball portion 12a instead of the small-diameter portion 28, and may be elastically fitted to prevent it from coming off.

〔Effect of the invention〕

As described above, according to the charging device of the present invention,
Since rechargeable electrical devices can be stored in the recess, there is no need to provide a separate storage space, and storage and charging operations are easy, making them convenient to use.Furthermore, easy storage reduces power consumption when charging. .
Moreover, since the rechargeable electric device can be selectively maintained in the storage state and the charging state using existing plug pins and connection fittings, there is an advantage that no separate member such as a switch is required.

[Brief explanation of the drawing]

FIG. 1 is a perspective view of a rechargeable electric device according to a first embodiment of the present invention, FIG. 2 is a perspective view of a charger, FIG. 3 is a front half-sectional view of the rechargeable electric device, and FIG. 4 is a perspective view of the rechargeable electric device. A side sectional view, Figure 5 is a front view of the chassis, and Figure 6 is a front view of the chassis.
The figure is an exploded perspective view of the main parts of the rechargeable electric device, Figure 7 is a plan view of the charger, Figure 8 is its side view, Figure 9 is its sectional view, Figure 10 is a bottom view, and Figure 11 is FIG. 12 is a cross-sectional view taken along the - line in the stored state, FIG. 13 is a cross-sectional view in the charged state, and FIG. 14 is a cross-sectional view taken along the - line. 1... Rechargeable electric device, 2... Charger, 10...
...Storage battery, 12...Fixing plug pin, 12a...
Ball portion constituting the retaining means, 18...Movable plug pin, 24...Concave portion, 25, 26...Connection fittings,
27...Receiving portion, 28...Small diameter portion constituting a retaining means.

Claims (1)

[Claims] 1. A rechargeable electric device provided with a storage battery and a charger having a recessed portion for accommodating the rechargeable electric device, wherein one of the rechargeable electric device and the charger is provided with a fixed plug pin and a charger. A movable plug pin biased by a spring in a protruding direction is provided, and a pair of connecting fittings are provided on the other side to connect the fixed plug pin and the movable plug pin, and when the rechargeable electric device is accommodated in the recess, the fixed plug pin is connected to the movable plug pin. A receiving part for supporting the movable plug pin is provided on the connecting fitting to which the movable plug pin is connected so that the connecting fitting to be connected and the fixed plug pin are separated from each other, and the rechargeable electric device is placed in the recess. a retaining means for removably retaining the fixed plug pin when the rechargeable electrical device is pushed in from the stored state against the spring force of the movable plug pin;
A charging device characterized in that the charging device is provided on the fixed plug pin and the connection fitting that connects the fixed plug pin.