JPH0720168B2 - Electrical equipment - Google Patents

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to, for example, a cordless telephone provided with a charger and a device body that can be connected to the charger and can be used separately from the charger. Etc. relating to electrical equipment.

As an example of an electric device including a device body that can be carried and used with a rechargeable battery that can be replaced as a power source, and a charger that charges the rechargeable battery of the device body, a cordless telephone is described below. Take for example.

7 and 8 are diagrams showing a child device of a foldable cordless telephone, and FIG. 9 is a diagram showing a parent device. In FIG. 1, 1 is portable and can be used, and 2 from the central portion of the main body. It is a child machine that can be folded in half and has a transceiver unit inside.
Reference numeral 2 denotes a battery housing portion that houses a rechargeable battery 3 that supplies power to an internal transmitter / receiver portion, 4 a battery lid, and 5 a first housing, which includes a speaker 6 and a dial button 7. Reference numeral 8 denotes a second casing, which includes a microphone 9 and special buttons 10 such as redial buttons and pause buttons. The first casing and the second casing are pivotally connected to each other by a hinge portion 11. 12
Is a charging terminal on the handset unit, 13 is a base unit, and has a built-in transmission / reception unit for performing wireless communication with the handset 1. Reference numeral 14 denotes a child device housing portion in which the child device is housed, and 15 is a charging terminal provided inside the child device housing portion 14.

In the foldable cordless telephone configured as described above, first, the rechargeable battery 3 is inserted into the battery storage portion 2 of the child device 1, and the battery cover 4 is attached to the battery. Power for operating the child device 1 is supplied from the rechargeable battery 3. When making a call, as shown in FIG. 7, the first casing 5
The second casing 8 is used with the hinge portion 11 as an axis in an open state, and is brought into a closed state as shown in FIG. 8 when carrying or storing in the master unit.

In order to charge the rechargeable battery 3 of the slave unit 1, the slave unit 1 is inserted into the slave unit housing portion 14 provided in the master unit 13 as shown in FIG. By inserting the charging terminal 12 of the child device 1 and the parent device
The rechargeable battery 3 in the handset 1 is charged by the contact of the charging terminal 15 provided in the handset storage part 13 of 13. Further, the spare rechargeable battery in the battery storage section 16 of the parent device 13 is always being charged or in a charging completed state, and the rechargeable battery 3 of the child device 1 is inserted by inserting the child device 1 into the child device storage section 14. If you don't have time to charge the, replace it with a spare rechargeable battery. Note that
Reference numeral 17 is a battery cover on the base unit side.

Problems to be Solved by the Invention However, in the cordless telephone having the above-described configuration, when inserting the cordless handset into the cordless handset storage portion of the parent device, the cordless handset is inserted in the opposite direction as shown in FIG. If it is not charged without the charging terminals of the parent device and child device contacting each other, or if the battery lid (not shown) is not properly attached, the child device will be placed in the child device storage section. There was a problem that it was not charged even if it was inserted and it was mistaken for a failure.

Means for Solving the Problems In order to solve the above problems, the electric device of the present invention is provided with a protrusion on one of the battery lid of the device body and the battery lid of the device body when the device body is mounted in the storage part. The other side is provided with a groove that engages with the protrusion, and the groove and the protrusion engage with each other only when the battery lid is mounted at a predetermined position in the battery housing.

Action When inserting the device body into the accommodating part of the charger, the battery lid cannot be inserted unless the battery cover is properly attached and the device body is inserted in the correct direction.

Embodiment An embodiment of the present invention will now be described with reference to the drawings, taking a foldable cordless telephone as an example.

FIG. 1 is a diagram showing a cordless telephone set in a folded state according to an embodiment of the present invention. 2 is a side view of the slave unit shown in FIG. 1, FIG. 3 is a rear view of the slave unit shown in FIG. 1, and FIG.
FIG. 5 is a perspective view of the master unit, FIG. 5 is a perspective view showing a state in which the slave unit is inserted into the master unit, and FIG. 6 is a cross-sectional view of the state shown in FIG. In the figure, the same parts as those in the conventional example are given the same numbers and their explanations are omitted.

Reference numeral 18 denotes a battery lid, on the surface of which a groove 19 that spreads toward the end is formed. Reference numeral 20 is a protrusion formed on the side surface of the child device housing portion 14 of the parent device 13 so as to be widened toward the end, and is configured to engage with the groove 19 of the battery lid 18. Further, reference numeral 21 denotes a battery lid of a battery housing portion provided on the base unit side for charging a spare battery, which is the same as the battery lid 18 described above. Battery cover 18
Reference numerals 21 and 21 have a structure, for example, a bayonet structure, which is fixed by being rotated with respect to the battery storage portions of the child device and the parent device.

The operation of the cordless telephone according to the present embodiment configured as described above will be described below.

First, in order to replace the rechargeable battery with a spare rechargeable battery or the like, when the rechargeable battery 3 is attached to the child device, the rechargeable battery 3 is inserted into the battery housing portion 2 of the child device, Cover the lid 18 and rotate the battery lid 18. Then, the battery housing 2 and the battery lid 18 are locked by the bayonet structure described above. In this locked state, the groove 19 of the battery lid 18 is formed in advance so that the side having the larger groove width is located on the insertion side into the parent device. When the child device 1 is inserted into the child device housing portion 14 of the parent device 13 in this locked state, the groove 19 advances and engages while guiding the projection 20 as shown in FIG. Here, if the battery lid 18 is not attached correctly, the groove 19 of the battery lid 18 does not mate well with the protrusion 20 of the child device housing portion 14, so that the child device cannot be inserted. Further, when the child machine is turned upside down and inserted into the child machine housing portion, the projection 20 comes into contact with the bottom surface or the side surface of the child machine and cannot be inserted. Therefore, the user can
It is possible to recognize that is not installed correctly or that the inserting direction of the child device is different. Further, even when the battery lid 18 is mounted slightly displaced from the regular lock position, the groove 19 of the battery lid 18 has a wide groove width on the insertion side into the master unit, so that the tip portion of the protrusion 20 ( As described above, this tip portion is formed such that the width of the protrusion is narrower than that of the rear end portion), and it is easily guided into the groove 19 and progresses. It is very convenient because it will be corrected to the proper mounting position as the machine progresses. Furthermore, if coins can be engaged with the groove 19 of the battery lid 18, the battery lid can be easily attached.

In this embodiment, a groove 19 is provided on the battery cover 18 of the slave unit 1 to
Although the protrusion 20 is provided on the slave unit housing portion 13 of 13, the protrusion may be provided on the battery cover and the groove that engages with the protrusion may be provided on the slave unit housing unit 14. In this case, the protrusion of the battery lid is formed in a narrowed shape so that the width on the insertion side into the master unit is narrowed, and the groove in the storage unit for the slave unit is also narrowed so that the width on the inlet side is widened. If it is formed in the above-mentioned manner, the above-mentioned effect can be obtained.

Effects of the Invention As described above, the present invention uses a rechargeable battery as a power source and has a device body configured to be replaceable, and a groove or a protrusion is provided on the battery lid of the rechargeable battery, In the case where the battery charger having the accommodating portion into which the device body can be mounted is provided with a protrusion or a groove that engages with the groove or the protrusion, and the battery lid is attached at a predetermined position with respect to the battery accommodating portion. Since the groove and the protrusion are engaged with each other only when the device main body is inserted into the accommodating part provided in the charger, the battery cover should be inserted if it is not almost at the proper position. In addition, it is possible to prevent the reverse insertion of the device body, and it is possible to prevent the trouble that the rechargeable battery of the device body is not charged even though the device body is inserted into the storage part of the charger, and its practical use Effect Has a great deal.

[Brief description of drawings]

FIG. 1 is a block diagram of a cordless telephone handset showing an embodiment of the present invention, FIG. 2 is a side view thereof, FIG. 3 is a rear view of the handset, and FIG. 4 is a perspective view of a handset. FIG. 5 is a perspective view showing a state in which the slave unit is inserted into the master unit, FIG. 6 is a transverse sectional view of the state shown in FIG. 4, and FIG. 7 is a configuration diagram of a slave unit of a conventional foldable cordless telephone. FIG. 8 is a perspective view showing a state in which the slave unit is folded, FIG. 9 is a perspective view of the master unit, and FIGS. 10 and 11 are perspective views showing a state in which the slave unit is inserted into the master unit. 1 ... Slave unit (device main body) 2 ... Battery compartment 3 ... Rechargeable battery 5 ... First housing 6 ... Speaker 7 ... Dial button 8 ... Second housing 9 ... Microphone 10 …… Special button 11 …… Hinge part 12 …… Charging terminal 13 …… Parent unit (charger) 14 …… Slave unit storage section 15 …… Charging terminal 16 …… Battery storage section 18 …… Battery lid 19 …… Groove 20 …… Protrusion 21 …… Battery lid

Claims (1)

[Claims] 1. A device main body having a battery housing in which a rechargeable battery can be inserted, a charging terminal, and a battery lid that can be mounted by rotating the battery in a state of being in contact with the battery housing.
A battery charger including a second charging terminal disposed corresponding to the charging terminal in a storage unit configured to include at least a part of the battery lid and into which the device body can be inserted; When the device main body is mounted in the lid and the accommodating portion, a protrusion is provided on one of the portions facing the battery lid and a groove that engages with the protrusion is provided on the other, and the battery lid is attached to the battery accommodating portion. An electric device configured such that the groove and the projection are engaged with each other only when the groove is attached to a predetermined position.