JP2601956Y2 - Power supply attachment / detachment structure for the device body - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a structure for attaching and detaching a power supply unit to and from a device main body in which a power supply unit can be easily attached to and detached from the device main body when moving the place of use of the device main body containing a rechargeable battery.

[0002]

2. Description of the Related Art Conventionally, a plug jack using an EIAJ RC-5320 external power plug jack is generally used. According to this conventional configuration, the clearance between the plug and the jack provided on the apparatus main body should be minimized to minimize the need for clearance between the plug and the jack provided on the device body in order to ensure the reliability of the electrical connection and prevent incorrect insertion of the plug and jack of different voltage divisions. The allowable range of the angle deviation of the plug becomes extremely small.

[0003] Therefore, it is necessary to visually confirm the position when inserting and removing, and frequent insertion and removal is not suitable. In addition, careless pulling of the plug cable for moving the apparatus body may cause disconnection of the cable and damage of the plug / jack.

[0004]

As described above, since the insertion / extraction force is secured by the contact pressure of the electrical contact and the clearance between the plug and the jack is slightly increased, the insertion / extraction direction is one direction. However, there has been a problem in that the insertion requires visual alignment. Therefore, the present invention eliminates these problems, and is detachable without the need for visual alignment, and attachment / detachment of the power supply to / from the device body that can be removed without damage even if the cable is inadvertently pulled. The purpose is to provide a structure.

[0005]

According to the present invention, in order to solve the above-mentioned drawbacks, the constitution of the present invention is as follows. (1) An external power plug storage portion for storing an external power plug connected to the end of the power connection cord therein, a jack electrically connected to the external power plug, and a power connection connected to the external power plug The power supply device, wherein an iron piece and a terminal plate electrically connected to the jack are provided on an upper surface of the power supply device having a cord fixing portion for fixing a cord, and a lower part of a side surface of the device main body is cut off to provide the power supply device. A lateral stopper for preventing the feeder from coming off in the lateral direction, and a magnet on the ceiling surface of the inserted part at a position corresponding to the iron piece and the terminal plate of the feeder, A structure for attaching and detaching a power feeder to and from a device main body provided with a contact terminal having a contact. (2) Whether a magnet is provided on the power supply side and an iron plate is provided on the device body side,
The attachment / detachment structure of the power supply unit to / from the apparatus main body according to the above item (1), wherein one or both of a contact terminal is connected to the power supply side and a terminal plate is connected to the apparatus main body side.

[0006]

According to the structure of the present invention, the power feeder is detached from the apparatus body by applying a force higher than the attraction force of the magnet.
Prevents cable breaks. The positional relationship between the contact terminal having spring properties and the terminal plate has a large degree of freedom, and electrical coupling is obtained by fitting the power feeder to the main body, so that the power supply can be easily attached to and detached from the apparatus main body. That is, it is a structure that is hard to be detached in a normal use state and is easily detached when it is to be removed.

FIG. 1 is a cross-sectional view showing the relationship between a part of the apparatus main body according to one embodiment of the present invention and a power supply, and FIG. 2 is a sectional view showing a power supply in part of the apparatus main body according to one embodiment of the present invention. FIG. 3 is a plan view of the power feeder, FIG. 4 is a side view showing a part of the apparatus main body in section, FIG. 5 is a bottom view of the apparatus main body, and FIG. 6 is an embodiment of the present invention. FIG. 1 is a power feeder, and 2 is a device main body. Reference numeral 3 denotes a power supply connection cord connected to a power supply. 11 is an iron piece provided on the power supply, and 12 is a terminal plate. 20 is the apparatus main body 2
Is an inserted portion into which the power feeder 1 is inserted, which is provided by cutting out a lower portion of the side surface of the power supply device 1. Reference numeral 21 denotes a magnet provided on the ceiling surface of the inserted portion 20, and reference numeral 22 denotes a contact terminal having a spring property. 23
Is a lateral stopper for preventing the feeder 1 from falling off in the lateral direction. 24 is a guide / guide having a guide function when inserting the power supply 1 into the apparatus main body and a stopper function.
It is a stopper part. In FIG. 6, reference numeral 30 denotes a power connection cord, and 13 denotes a guide
The stopper receiver 31 is a general-purpose external power plug.
Reference numeral 14 denotes a jack for receiving an external power plug, which is electrically connected to the terminal plate 12. Reference numeral 15 denotes a cord fixing portion for fixing the power supply connection cord 30, and 16 denotes an external power plug storage portion for storing the external power plug 31 in the power supply.

In the embodiment of the present invention, a cordless telephone handset (movable) is used as the apparatus main body. This cordless telephone handset is connected to a base unit connected to a telephone line via a wireless line. The cordless telephone handset includes a rechargeable rechargeable battery, and the rechargeable battery is connected to a power adapter to perform charging, so that the rechargeable battery can be used within a wireless range by disconnecting from the power adapter.

Next, a method for inserting and removing the power feeder 1 from the apparatus main body 2 will be described. When the power supply 1 is mounted on the apparatus main body 2, since there is sufficient clearance between them, the guide / stopper receiver 13 at the tip of the power supply 1 is directed toward the guide / stopper 24 of the inserted portion 20 of the apparatus main body 2. insert. Then, the downward direction is the guide stopper 2
The position of the power supply 1 is regulated by the lateral stopper portion 23, the power supply 1 is set in a predetermined position, and the iron piece of the power supply 1 is attracted to the magnet of the apparatus main body 2 and fixed. At this time, the contact terminals 22 having a spring property of the apparatus main body 2 are pushed up by the terminal plate 12 to make electrical contact.

The positional relationship between the contact terminal 22 having the spring property and the terminal plate 12 has a large degree of freedom, and an electrical connection can be obtained only by inserting a power feeder into the inserted portion of the apparatus main body. Even when the power supply cord is pulled in the horizontal direction in a state where the power supply device 1 is mounted on the inserted portion 20 of the apparatus main body 2, the horizontal stopper portion 23 of the inserted portion 20 prevents the power supply device 1 from coming off.
However, in order to use the apparatus main body 2 at a place other than the place where the power supply 1 is located, even if the user forgets to attach the power supply 1 to the apparatus main body 2 and waits, the power supply is obliquely downward with respect to the apparatus main body. The horizontal stopper 2
3 and comes off when a force exceeding the attraction force of the magnet is applied. For this reason, the power supply connection cord 30 is prevented from coming off in a normal state and from being damaged when an incorrect operation is performed.

To remove the power feeder from the apparatus main body, if the cord side of the power feeder 1 is pushed down, the iron piece 11 of the power feeder 1 is separated from the magnet 21 of the apparatus main body 2 and can be separated. Also, the power cable 3 can be detached by pulling it diagonally downward. Therefore, when trying to remove it, it can be easily removed.

Contrary to the above embodiment, a magnet may be provided on the power supply side and an iron piece may be provided on the apparatus body side. Further, a spring contact terminal may be provided on the power supply side, and a terminal plate may be provided on the apparatus main body side.

FIG. 6 is a bottom view of the power supply 1 which is a feature of the present invention. The power supply plug 31 connected to the power supply connection cord 30 is stored in the external power supply plug storage section 16 of the power supply, and the power supply connection is made. The cord fixing part 15 is provided so as to fix the cord 30. Further, the power supply 1 is provided with a jack 14 for receiving the external power plug 31, and the jack 14 is electrically connected to the terminal plate 12. Therefore, the purpose of the present invention can be achieved by adding the power supply of the present invention to a power adapter with an external power plug, which is a general-purpose product. That is, the power supply can be easily attached to and detached from the apparatus main body.

In the column of the claims of the utility model, the side of the main body of the apparatus is cut out to provide a portion to be inserted into the power feeder. And includes the back surface and the like.

Since the power supply has a certain capacity, components for noise suppression and other components for a stabilizing circuit can be stored therein.

[0016]

[Effect of the Invention] Since the magnet is used, even if the user removes the power supply and moves the apparatus body, the power supply is easily detached and the power supply cord is prevented from being damaged. Since the contact terminals having spring properties are used, the degree of freedom in the mounting position is large and the mounting is easy. A part of the device body was cut out and a power supply was inserted in it, so that the design was neat and the magnet was used, so the attachment and detachment between the device body and the power supply was easy. Done. Furthermore, it is economical because a power adapter with an external power plug, which is a general-purpose product, can be used.

[Brief description of the drawings]

FIG. 1 is a cross-sectional view showing a relationship between a part of an apparatus main body and a power supply according to an embodiment of the present invention.

FIG. 2 is a cross-sectional view showing a state where a power feeder is inserted into a part of the apparatus main body according to the embodiment of the present invention;

FIG. 3 is a plan view of a power feeder.

FIG. 4 is a side view of a part of the apparatus main body in section.

FIG. 5 is a bottom view of the apparatus main body.

FIG. 6 is a bottom view of a power supply according to another embodiment of the present invention.

[Explanation of symbols]

 1. Feeder 11. Iron piece 02. Terminal board 13. Guide / stopper receiver 14. Jack 15. Code fixing part 16. External power plug storage unit 2. Device body 20. Inserted part 21. Magnet 22. Contact terminal 23. Horizontal stopper part 24. Guide / stopper part 3. Power supply cord 30. Power supply connection cord 31. General-purpose power plug

──────────────────────────────────────────────────続 き Continuation of front page (56) References JP-A-62-44966 (JP, A) JP-A-58-176386 (JP, U) JP-A-62-71880 (JP, U) 33358 (JP, Y2) (58) Fields investigated (Int. Cl. ⁶ , DB name) H01R 13/56-13/72

Claims (2)

(57) [Scope of request for utility model registration] An external power plug storage portion for storing therein an external power plug connected to a tip of a power connection cord;
On the upper surface of a power supply provided with a jack electrically connected to the external power plug and a cord fixing portion for fixing a power connection cord connected to the external power plug, an iron piece and the jack are electrically connected. And a terminal plate that is
The lower part of the side surface of the device body is cut out, provided in the inserted portion for the power supply, a lateral stopper for preventing the power supply from coming off in the horizontal direction, and the iron piece of the power supply on the ceiling surface of the inserted portion. A structure for attaching and detaching a power feeder to and from an apparatus body, wherein a magnet and a contact terminal having a spring property are provided at positions corresponding to a terminal plate. 2. The installation change of either or both of providing a magnet on the power supply side and an iron plate on the apparatus main body side, connecting a contact terminal on the power supply side, and connecting a terminal plate on the apparatus main body side. A structure for attaching and detaching a power feeder to and from the apparatus main body according to claim 1.