JPH09120873A - Power supply device for electric heater - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an electric heater with its safety on use and its low cost which sweeps disadvantages of an electric heater using its magnet plug by means of the existing structures. SOLUTION: An electric heater power-supplied and heated by means of a power supply receptacle 2 comprises a fixture plug 9 provided with a magnetic attraction plate at the end part of a cord 12 fetched from the heater and provided with a plug-in 11 on both sides and a power supply plug 3 provided with a plug-in part 4 for plugging in a power supply receptacle 2, provided with a magnet body for attracting the attraction plate to the opposite side part of this plug-in part, and provided with a plugged-in part on both sides. In addition, an adapter comprises a plugged-in part which plugs in a plug-in part of a fixture plug at an end part, a magnet attraction plate at the center of another end and a plug-in on both sides.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a power supply device using a magnet type plug in various electric heaters.

[0002]

2. Description of the Related Art Conventionally, in various electric heaters such as rice cookers, water heaters, and boilers that have been used for general household use,
Magnetic plugs are popular. This magnet plug is provided at one end of the cord that has a plug for connecting to a power outlet at the opposite end, and this magnet plug is connected by energizing it by adsorbing it to the iron piece provided in the socket installed on the heater side. It was

In such a conventional connection structure, the power receiving structure on the heater side is complicated, resulting in high cost, and since the heat temperature due to power reception becomes high, the plastic material forming the plug portion is molded. There is a drawback that a thermosetting resin material with high cost must be used.

Conventionally, when the heating device is not used, the plug with the cord left in the power outlet is left unattended, and it takes a lot of trouble to store the plug every time it is not used, There was a defect that the contact with the part became poor.

[0005]

SUMMARY OF THE INVENTION It is therefore an object of the present invention to eliminate the drawbacks of conventional electric heaters using a magnet plug and to provide an electric heater that is safe in use and has a reduced cost. It is what

Further, the present invention can easily convert an electric heater using a normal type cord plug, which is not prevailing at present, into a magnet detachable device to be used with higher safety. The purpose is to be able to.

[0007]

Means for Solving the Problems The present invention is provided in an electric heater that is heated by conduction from the power outlet, the plug element on the both sides provided with a magnetic attraction plate at an end portion of the taken out from the heater cord Instrument plug and a plug for inserting a power outlet and a connecting plug provided with a magnetic body for adsorbing the adsorption plate on the opposite side of the insertion part and a plugged part on both sides of the magnetic body. It is a thing.

Further, according to the present invention, the insertion portion into which the insertion portion of the instrument plug is inserted is provided at one end, the magnetic attraction plate is provided at the center at the other end, and the insertion elements are provided on both sides thereof. This is an adapter, in which a cord plug of a conventional electric heater is inserted into the insertion portion of the adapter, and the magnetic attraction plate portion is attracted to the magnetic body of the power plug to be connected.

[0009]

BEST MODE FOR CARRYING OUT THE INVENTION When using a predetermined heater, for example, a heat-sensitive rod at the end of a predetermined cord is inserted and fixed in a connection plug on the heater side.

Next, the magnetic attraction plate on one side of the instrument plug provided at the other end of the cord is attracted to the magnetic surface on the other side of the power plug inserted into the power outlet. During this adsorption, the latter of the insertion element is secured plugged onto plug part of the former. In such a state, for example, the dial of the temperature controller may be rotated to start heating.

According to each embodiment of the present invention, a magnetic body is attracted and connected to a magnetic attraction plate by an instrument plug arranged at a predetermined position of various electric heaters and a power plug arranged at a power outlet side. Is what you use.

Those who have already used the electric heater for exclusive use of the magnet already invented, if they have a conventional electric heater consisting of a cord and a plug, and want to use it, By purchasing and using the adapter of the invention, it can be converted into a magnet-connection type electric heater for use.

[0013]

EXAMPLE First, a first example shown in FIGS. 1 to 6 will be described.

Reference numeral 1 denotes a wall surface portion, and two power outlets are installed on the wall surface portion.

Reference numeral 3 denotes a power plug. This power plug is provided with a plug 4 for the power outlet 2 at one end, magnetic bodies 5, 5 at the other end, and plugged into the left and right sides of the plug. Parts 6 and 6 are provided.

Reference numeral 7 denotes a cover plate which can be opened and closed with respect to the magnetic bodies 5 and 5 and the inserted portions 6 and 6 of the power plug 3.
The pivot 8 of the cover plate is provided on the upper surface of the power plug 3.

When the instrument plug 9 described later is removed, the lid plate 7 is dropped and closed to be attracted to the magnetic bodies 5 and 5, and is opened with a fingertip when used. When the mounting position of the power plug 3 has to be changed depending on the surroundings of the power outlet 2, the plug 4 is inserted into the power outlet 2 in the leftward direction opposite to the drawing (FIG. 2). , In such a case, the lid plate 7 comes to be positioned on the opposite lower side,
When the after-mentioned instrument plug 9 is removed, it is closed with a fingertip so as to be attracted to the magnetic bodies 5, 5.

The opening / closing opening of the cover plate 7 may be made through a bullet.

Reference numeral 9 denotes an instrument plug. A magnetic attraction plate 10 is provided at the center of one end of the instrument plug, and plugs 11, 11 are provided on both left and right sides of the magnetic attraction plate 10. The suction plate 10 of the device plug 9 is attracted to the magnetic bodies 5 and 5 of the power plug 3, and the plugs 11 and 11 are inserted into the plugged parts 6 and 6, respectively. The magnetic body 5, the inserted portion 6, the attracting plate 10, and the insert 11 may be arranged on opposite sides.

Reference numeral 12 is a cord provided with the instrument plug 9 at one end, and the other end of the cord is provided with a heat sensitive rod 14 at the center and a temperature controller 13 provided with an insertion port on both sides thereof. In other types of electric heaters, there is no such temperature controller.

Reference numeral 15 is a heater terminal cover provided on the side of the heater a, and the insertion port 16 in the center inside the heater terminal cover 16
The heat-sensitive rod 14 is inserted into and the left and right insertion rods 17 and 17 are inserted and fixed.

The configuration of the apparatus shown in the above first embodiment is as follows:
It is described in claims 1 and 2.

Next, the second embodiment shown in FIG. 7 will be described.

Reference numeral 18 is an ordinary power plug which is inserted into the power outlet 2, and insertion portions 19 and 19 into the power outlet 2 are provided at one end of this power plug.

Reference numeral 20 is a cord provided at the other end of the power plug 18, a connection plug 21 is provided at the other end of the cord, and the magnetic body 2 is provided at the center of one end face of the connection plug.
2 and 22 are provided, and the plugged portion 2 is provided on the left and right sides.
3 and 23 are provided.

Reference numeral 24 is an instrument plug. A magnetic attraction plate 25 is provided at the center of one end face of the instrument plug, and plugs 26, 26 are provided on the left and right side portions. Both plugs 2
The magnetic bodies 22 and 24, the inserted portion 23, the attraction plate 25, and the insert 26 may be arranged on opposite sides.

Reference numeral 27 is a cord provided at the other end of the instrument plug 24, and the connected plug 28 is provided at the other end of the cord.
Is provided. The plug 28 to be connected is inserted into the connecting portion of the heater b.

The configuration of the apparatus shown in the above second embodiment is as follows.
It is described in claims 3 and 4.

Further, the third embodiment shown in FIG. 8 will be described.

In this embodiment, a magnetic attraction plate 30 is provided at the center of one end face of an independent instrument plug 29 without a cord, and plugs 31, 31 are provided on the left and right sides. As a result, the magnetic attraction plate 30 of the instrument plug 29 is attracted and connected to the magnetic bodies 22, 22 of the connection plug 21. The magnetic body 22, the plugged-in portion 23, the attraction plate 30, and the inserter 31 of both plugs 21 and 29 may be arranged on opposite sides.

A connected portion is provided on the other end surface of the instrument plug 29 and is inserted into the connecting portion of the heater b.

The configuration of the apparatus shown in the above third embodiment is as follows.
It is described in claims 5 and 6.

The fourth embodiment shown in FIG. 9 will be described.

In this embodiment, the instrument plug 32 is attached to the heater a.
It is provided on the side surface of the temperature controller 13 having the heat-sensitive rod 14 connected to the. The magnetic attraction plate 33 is provided at the center of the end surface of the instrument plug 32, and the plug 3
4, 34 are provided. As a result, the magnetic attraction plate 33 of the instrument plug 32 is connected to the magnetic members 22, 2 of the connection plug 21.
Adsorb to 2 and connect. Magnetic body 2 of both plugs 21 and 32
2, the inserted portion 23, the suction plate 33, and the insert 34 may be arranged on opposite sides.

The configuration of the apparatus shown in the above fourth embodiment is as follows.
It is described in claims 7 and 8.

Reference numeral 35 denotes an adapter, and one end portion of this adapter is a plugged portion 3 into which insertion portions 38, 38 of an instrument plug 37 provided at one end of a cord 36 connected to the heater a are inserted.
9, 39, and a magnetic attraction plate 40 at the center of the other end of the adapter and plugs 41, 41 on both sides thereof.
Is provided.

This adapter is a dedicated product for converting a conventional electric heater into a magnet detachable electric heater.

[0038]

According to the present invention, a magnetic device fixing portion is not installed on the electric heater side, but a dedicated instrument plug independent of the heater is prepared and used as a dedicated power plug on the power source side. Since it is configured to be detachably connected by a magnet means between the two, it can be provided at an extremely low production cost.

Further, in the case where the power plug and the instrument plug are connected by a cord and prepared separately, it is possible to use various existing electric heaters without any modification. As a result, it becomes more practical.

Furthermore, it is possible to take advantage of the ease of removal which is a good effect of the magnet type plug, and even if it is removed, it does not affect the heater body at all, and it can always be used safely.

In the first and second embodiments, since the magnet plug portion including the instrument plug and the power plug is located relatively far from the heater, the synthetic resin material constituting each plug is relatively inexpensive. It is possible to use a thermoplastic material having good molding efficiency.

If the adapter of the present invention for converting to the detachable magnet type connection method is prepared, the person using the electric cooker for exclusive use of the magnet of the present invention has conventionally used it through the adapter. It becomes possible to use a variety of standard electric heaters, and it can be widely used for oven toasters, electric stoves, and other types of electric heaters, and it is economical and safe. Become.

[Brief description of the drawings]

FIG. 1 is a perspective view of relevant parts of a first embodiment.

FIG. 2 is a plan view of a main part of the first embodiment before use.

FIG. 3 is a plan view of a main part of the first embodiment when it is used.

FIG. 4 is a facing perspective view of essential parts of the first embodiment.

FIG. 5 is a front view of the main part of the first embodiment when used.

FIG. 6 is a front view of the main part of the first embodiment.

FIG. 7 is a plan view of an essential part of the second embodiment.

FIG. 8 is a plan view of an essential part of the third embodiment.

FIG. 9 is a plan view of an essential part of the fourth embodiment.

FIG. 10 is a perspective view showing an overall relationship when an adapter is used.

FIG. 11 is a perspective view of an essential part before use when an adapter is used.

FIG. 12 is a facing perspective view of a main part when an adapter is used.

[Explanation of symbols]

 3 Power plug 5,5 Magnetic body 6,6 Inserted part 7 Lid plate 9 Instrument plug 10 Magnetic adsorption plate 11,11 Insert 12 Cord 18 Power plug 20 Cord 21 Connection plug 22,22 Magnetic body 23,23 Cover Plug portion 24 Instrument plug 25 Magnetic attraction plate 26, 26 Insert 27 Cord 28 Connected plug 29 Instrument plug 30 Magnetic attraction plate 31, 31 Insert 32 Instrument plug 33 Magnetic attraction plate 34, 34 Insert 35 Adapter 37 Instrument Plug 39 Inserted Part 40 Magnetic Adsorption Plate 41, 41 Insert

Claims (11)

[Claims] 1. An electric heater that is electrically heated from a power outlet, and an appliance plug having a magnetic attraction plate at the end of a cord taken out from the heater and plugs provided on both sides thereof, and a power outlet. An electric power supply for an electric heater, which comprises an insertion part for inserting the plug and a magnetic body for adsorbing the adsorption plate on the opposite side of the insertion part and a plug for insertion on both sides of the magnetic body. apparatus. 2. An electric heater which is electrically heated from a power outlet, wherein a cord is taken out from the heater, a magnetic body is provided on the end portion, and plugged portions are provided on both sides of the magnetic body plug, and a power outlet. An electric power supply device for an electric heater, comprising: a plug portion provided with a magnetic attraction plate provided on the opposite side of the insertion portion and plugs provided on both sides of the magnetic attraction plate. 3. An electric heater that is electrically heated from a power outlet, an instrument plug having a magnetic attraction plate provided at an end of a cord taken out from the heater, and plugs provided on both sides thereof, and one end thereof. An electric heating device comprising a plug part to be inserted into a power outlet and a magnetic body for attracting the attracting plate to the other end via a cord, and a connection plug having plugged parts on both sides thereof. Power supply equipment. 4. An electric heater which is electrically heated from a power outlet, wherein an end portion of a cord taken out from the heater is provided with a magnetic body and plugged portions are provided on both sides of the magnetic body plug, and one end portion thereof. A connection plug which is provided with a plug portion to be plugged into a power outlet, a magnetic attraction plate is provided at the other end through a cord, and plugs are provided on both sides of the magnetic attraction plate;
A power supply device for an electric heater. 5. An electric heater that is electrically heated from a power outlet, in which a heat-sensitive rod is inserted into a predetermined portion of the electric heater to energize and a temperature is adjusted by providing a magnetic adsorption plate on a part of the temperature controller. An instrument plug provided with an insertion plug, a connection plug provided with an insertion portion for inserting a power outlet at one end of the cord and a magnetic body at the other end, and insertion portions provided on both sides of the magnetic plug, A power supply device for an electric heater. 6. An electric heater which is electrically heated from a power outlet, wherein a magnetic rod for adsorbing a suction plate, which will be described later, is attached to a part of a temperature controller which inserts a heat sensitive rod into a predetermined position of the electric heater to control the temperature by energizing. Provided with a plug part on both sides of this, and a plug part for plugging a power outlet into one end of the cord and a magnetic attraction plate at the other end, and plugs on both sides. Connection plug consisting of
A power supply device for an electric heater. 7. An electric heater which is electrically heated from a power outlet, wherein a plugged portion to be inserted into a heater terminal is provided at one end, a magnetic attraction plate is provided at the other end, and plugs are provided on both sides of the magnetically attracted plate. Power supply for an electric heater consisting of a device plug and a connection plug that has a plug part for inserting into a power outlet at one end of the cord and a magnetic body at the other end and plugged parts on both sides of this apparatus. 8. An electric heater which is electrically heated from a power outlet, has a plugged portion to be inserted into a heater terminal at one end, a magnetic body at the center of the other end, and plugged portions at both sides thereof. Power for an electric heater, which includes an instrument plug and a connection plug that has a plug part for inserting into a power outlet at one end of the cord and a magnetic attraction plate at the other end and plugs on both sides of the magnetic attraction plate. Supply device. 9. The power supply device for an electric heater according to claim 1, wherein a lid that can be opened and closed with respect to the magnetic body of the power plug and the inserted portion is provided at an appropriate position of the power plug. 10. An adapter comprising a plugged portion into which an insertion portion of an instrument plug is inserted at one end, a magnetic attraction plate provided at the center of the other end, and inserters provided on both sides thereof. 11. An adapter comprising a plugged portion into which a plug portion of an instrument plug is inserted at one end, a magnetic attraction plate provided at the center of the other end, and plugs provided on both sides thereof.
A power supply device for an electric heater, in which a cord plug of an electric heater is connected to the plugged portion of the adapter and the magnetic attraction plate portion is attracted and connected to a magnetic body of a power plug for connecting to a power outlet. .