JPH07441A - Foot warmer - Google Patents

Abstract

(57) [Summary] [Purpose] When a person rides on the body of the foot warmer, the ventilation fan etc. can be automatically activated to improve usability. [Structure] An upper cover sheet 2, a metal plate 3 whose upper surface is covered by the upper cover sheet 2, and a heat insulating plate 4 arranged on the lower surface thereof.
An outlet 8 is provided on the side surface of the foot warmer main body 7 having the electric heating element 5 embedded in the upper surface of the heat insulating plate 4, and the foot warmer main body 7 is turned on by the weight of a person riding on the foot warmer main body 7. A switch 10 for energizing the heating element 5 and the outlet 8 is provided.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a foot warmer capable of automatically operating a source light, a ventilation fan and the like when a person gets on the body of the foot warmer and improving the usability.

[0002]

2. Description of the Related Art In the winter, for example, when standing work in a kitchen, a foot warmer placed on the floor is used to reduce the cold feeling from the floor. Conventionally, such a foot warmer has been operated by manually opening and closing the switch.

Further, electric appliances such as a sink lamp and a ventilation fan in a kitchen are operated by a manual switch other than the switch for operating the foot warmer.

[0004]

However, in such a switch for manually operating the foot warmer, the operation is sometimes cumbersome, and power is easily wasted due to forgetting to turn it off. Was also inferior.

In addition, in order to operate the electric equipment, it is necessary to operate a switch different from the foot warmer, resulting in deterioration of usability.

The present invention is based on the fact that the foot warmer main body is provided with a switch that is turned on by the weight of the person riding on the foot warmer main body to energize the electric heating body and the outlet, and gets on and off the foot warmer main body. It is possible to automatically turn on and off the electric heating element and electric equipment by simply turning on and off, and it is an object to provide a foot warmer that can improve usability and never forget to turn it off to improve safety and save energy. .

[0007]

In order to achieve the above-mentioned object, a foot warmer of the present invention comprises an upper cover sheet and a heat spreader which is arranged on the lower surface of the upper cover sheet and covers the upper surface by the upper cover sheet. A metal plate, a heat insulating plate body arranged on the lower surface of the heat insulating plate body, a heating element buried in the upper surface of the heat insulating plate body, and a lower cover sheet provided on the lower surface of the heat insulating plate body. In addition to having a warmer body, an outlet is provided on the side of this warmer body, and the warmer body is turned on by the weight of the person riding on this warmer body to energize the electric heating element and the outlet. A switch to turn on is provided.

[0008]

The foot warmer includes an upper cover sheet, a soaking metal plate arranged on the lower surface of the upper cover sheet, a heat insulating plate body arranged on the lower surface of the metal sheet, and an upper surface of the heat insulating plate body. It is equipped with an electric heating element. By using a cushion floor formed of, for example, a vinyl chloride resin as the upper cover sheet, the appearance of the foot warmer can be improved and the metal plate can be covered to exhibit effects such as rust prevention. Further, the metal plate can conduct the heat generated from the electric heating body uniformly over the entire metal plate, and can warm almost the entire surface of the upper cover sheet without a thermal gradient.
Moreover, since the electric heating element is embedded in the upper surface of the heat insulating plate, heat is not transferred to the lower cover sheet provided on the lower surface of the heat insulating plate and in contact with the floor surface, and the upper surface of the foot warmer is efficiently Can be warmed to.

Further, an outlet is provided on the side surface of the foot warmer body, and a switch is provided on the foot warmer body for turning on the body of the foot warmer depending on the weight of the person riding on the body of the foot warmer to energize the electric heating element and the outlet. There is. Since the metal plate which is a rigid body is arranged above the switch, the switch can be turned on through the metal plate even if a person does not ride directly on the switch. In this way, the switch can be turned on only by getting on and off a person and the manual switch operation is eliminated, so that the usability can be improved, the waste of power due to forgetting to turn off the power can be prevented, and the safety can be improved.

Further, by connecting an electric device such as a source light and a ventilation fan to the outlet, the electric device can be automatically operated when a person gets on the foot warmer,
It can improve convenience.

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A foot warmer 1 of the present invention will be described below with reference to the drawings by taking as an example a case where the foot warmer 1 is placed on a floor surface in front of a kitchen stand A as shown in FIGS.

As shown in FIG. 8, the kitchen stand A has, in this example, a pedestal ring portion D at the lower end of the kitchen stand body C having a sink B on the upper surface.
In addition, an outlet E to which the electric cord 14 of the foot warmer 1 is connected is provided. In addition, above the sink B of the kitchen stand A, FIG.
As shown in FIG. 3, the source light K is arranged and the outer wall body W is
A ventilation fan L is attached to. An electric cord M extending from the source light K and the ventilation fan L is drawn out from the base wheel portion D.

1 to 4, the foot warmer 1 includes an upper cover sheet 2, a metal plate 3, a heat insulating plate body 4, an electric heating body 5, and a lower cover sheet 6.
The foot warmer main body 7 is provided with a recess 9 provided in the lower surface of the foot warmer main body 7, and the switch 10 is provided in the recess 9. The recess 9 is shielded by a cover cover 12 which is biased downward by a spring 11 and swells downward, and an electric cord 14 connected to the electric heating body 5 is provided at a side edge of the foot warmer main body 7. Is provided with a cord cover body 15. Further, a controller case 44 is provided at a side edge portion of the foot warmer main body 7, and an outlet 8 is provided in the controller case 44 forming a part of a side surface of the foot warmer main body 7.

As shown in FIGS. 1 and 2, the foot warmer main body 7 has an outer peripheral shape of a horizontally long rectangle in this embodiment, and the outer peripheral edge of the upper cover sheet 2 is on the upper surface of the outer peripheral edge of the lower cover sheet 6. In addition to being fixed, the heat insulating plate body 4 in which the electric heating body 5 is embedded and the metal plate 3 are interposed between the upper cover sheet 2 and the lower cover sheet 6.

A cushion floor made of, for example, vinyl chloride resin can be used as the upper cover sheet 2, and an elastic felt, for example, can be used as the lower cover sheet 6. As shown in FIG. 3, the outer cover sheet 2 has its outer peripheral edge sewn onto the upper surface of the outer peripheral edge of the lower cover sheet 6, and in the present example, as shown in FIG.
The upper cover sheet 2 is fixed to the lower cover sheet 6 also in the central portion in the longitudinal direction, and the folding portion 2 that folds the foot warmer 1 in half along the fixed portion with the upper cover sheet 2 facing each other.
5 is formed.

The metal plate 3 is a substantially rectangular plate body for uniform heating made of, for example, a zinc iron plate, is arranged on the lower surface of the upper cover sheet 2, and the upper surface is covered with the upper cover sheet 2. The metal plates 3 are arranged on both sides of the folding portion 25 as shown by the broken line in FIG. 1, and can be folded along the folding portion 25. Further, the heat insulating plate body 4 is arranged on the lower surface of the metal plate 3.

The heat insulating plate 4 is formed by using a heat insulating material such as foamed polyethylene, and the electric heating element 5 is embedded in the upper surface thereof. The heating element 5 is formed by burying a heating wire 5A covered with a protective tube having thermal conductivity in a meandering manner over substantially the entire upper surface of the heat insulating plate 4, and the upper surface of the heating plate 5 is covered with the metal plate 3
It is in contact with the bottom surface. Therefore, the heat emitted from the heating wire 5A is conducted to the metal plate 3, and the heat is evenly spread in the metal plate 3. The heating elements 5 and 5 embedded in the heat insulating plates 4 and 4 arranged on both sides of the folding portion 25 are connected by connecting the heating wires 5A and 5A with lead wires covered with a protective tube. To be done.

The heat insulating plate 4 is placed on the upper surface of the lower cover sheet 6 to form the foot warmer body 7, and the lower surface of the foot warmer body 7 has a recess 9 for disposing the switch 10. Is provided.

As shown in detail in FIG. 4, the recess 9 is formed by cutting out the heat insulating plate 4 and the lower cover sheet 6 in a circular shape, and a switch 10 is provided in the recess 9. It should be noted that, as shown in FIG.
5 are formed in two places on both sides, and the upper side is covered by the metal plates 3 and 3 provided in each part.

The switch 10 is attached to the recess 9 via a switch attachment 33. Switch fixture 33
Is formed of, for example, a plastic molded product that is fitted in the recess 9 and integrally has a large-diameter hole portion 30 and a small-diameter columnar hole portion 31 and has a cylindrical shape from the upper surface of the hole portion 31. The switch mounting piece 32 is suspended. The switch 10 is
In this example, the movable contact portion 10A extending obliquely downward and the switch main body portion 10B fixed to the recess 9 by being fitted in the lower open groove portion 32A formed by the switch mounting piece 32 are provided. The lower edge of the portion 10A is provided so as to project downward from the lower surface of the lower cover sheet 6.

The recess 9 is shielded by a cover 12 fixed to the hole 30. In the present embodiment, the cover cover 12 has a horizontal fixing portion 34 whose peripheral portion is in contact with the horizontal step portion 30A of the hole portion 30, and an expansion bulging downward from the inner edge of the fixing portion 34 beyond the lower surface of the lower cover sheet 6. A lower cover cover 12A including the projecting portion 35 and the lower cover cover 12
A includes an upper cover cover 12B disposed along the upper surface.
In the lower cover 12A, a rectangular lower plate 36 having a hole into which the bulging portion 35 is fitted is fixed to the lower surface of the lower cover sheet 6 with screws or the like so that the fixing portion 34 is fixed to the lower plate 36. And the stepped portion 30A, and is fixed in the recess 9. Further, the upper cover 1 along the upper surface of the bulging portion 35
The bulging portion 12B1 of 2B is biased downward by the spring 11 wound around the switch mounting piece 32, whereby the bulging portion 35 retains its shape and the movable contact portion of the switch 10 is held. 10A is an upper cover 12
It is held on the bulging portion 12B1 of B apart from the contact of the switch body 10B. The upper and lower covers 12A, 1
2B is made of a flexible material such as rubber.

However, the main switch S provided on the controller case 44 is turned on in advance, and the main switch S shown in FIG.
As shown in, the electric circuit EA is closed so that the pilot lamp PL1 emits light. Further, when a person rides on the upper cover sheet 2, the lower cover cover 12 due to its weight.
The bulging portion 35 of A is recessed upward, the movable contact portion 10A is pressed by the switch main body portion 10B, the switch 10 is turned on, and the electric heating element 5 and the outlet 8 are energized. When the addition of weight is removed, the spring 11 causes the bulging portion 3 to move.
5 returns to the original shape in which it bulges downward, and along with this, the movable contact portion 10A separates from the switch body portion 10B, and the electric power to the electric heating element 5 and the outlet 8 is cut off. In this way, the switch 10 automatically opens and closes as a person gets on and off, and manual operation of the switch can be eliminated to improve usability.

The electric cord M is attached to the outlet 8.
Is connected, and the source light K and the ventilation fan L are automatically turned on and off when a person gets on and off the foot warmer main body 7.

Further, in this embodiment, a timer that is energized when the switch 10 is opened and closed is provided in the controller case 44. That is, as shown in FIG.
When 0 is closed, a current flows through the driving unit TLR of the timer provided in the electric circuit EB, and the timer is energized. At the same time as the energization, the a contact TLR-a of the electric circuit EC and this electric circuit EC are connected. The a-contact TLR-b of the electric circuit ED connected in parallel and having the outlet 8 interposed therebetween operates to close the electric circuit EC and the electric circuit ED, and a current flows through the electric heating element 5 and the electric outlet 8. When the switch 10 is opened, current does not flow to the timer driving unit TLR and the timer is deenergized.
By setting the timer setting time to 10 minutes, for example, the a-contact TLR-a and the a-contact TLR-b do not open immediately but after 10 minutes, the a-contact TLR-a and the a-contact TLR-b open. , The electric circuit EC and the electric circuit ED are opened. Therefore, the electric heating element 5 and the outlet 8 can be kept energized for 10 minutes after the switch 10 is opened, that is, when the person gets off the foot warmer main body 7. The energized state is
This can be known by the light emission of the pilot lamp PL2 connected in parallel to the electric heating element 5.

Further, a bimetal type thermostat 40 is interposed in the electric circuit EC to prevent overheating.

In addition, the electric circuit EC is added to the electric circuit EC.
By providing a switch for opening and closing, it is possible to energize only the outlet 8 and not energize the electric heating element 5 by turning on the switch 10 in the summer, for example.

On the side edge of the foot warmer body 7, the heating wire 5 is provided.
A cord cover main body 15 that accommodates the electric cord 14 connected to A is provided.

As shown in FIGS. 1 to 3, the cord cover main body 15 has a U-shaped cross section which is fixed by sandwiching the upper cover sheet 2 and the lower cover sheet 6 at the respective side edges on both sides of the folding portion 25. A base 16 and a vertical front piece 19 of a horizontally elongated rectangle that forms a downwardly open groove 17 extending along the side edge between the base 16 and a side piece 2 that closes the groove 17 at the side end of the groove 17.
An outer peripheral portion 21 consisting of 0 and 0 is provided. The front piece 19 and the base 16 are connected by a connecting piece 42 to form the upper surface of the groove 17.

Further, the front piece 19 and the side piece 2 of the outer peripheral portion 21.
0 has an electrical cord 14 by cutting the lower edge.
To form a fitting insertion portion 22. The electric cord 14 extends from the controller case 44 to the groove portion 17 of the cord cover body 15, and the electric cord 1
4 can be drawn out from one of the fitting and inserting portions 22.

Further, in the groove portion 17, a plurality of locking pieces 23 ... In the present example, which are cylindrical bodies having a small diameter and which hang down from the connecting piece 42, are provided at appropriate intervals.

Therefore, the electric cord 14 extending from the controller case 44 is held at an appropriate length by being locked to the locking piece 23 as shown by the one-dot chain line and the solid line in FIG. As shown in FIG. 7, it can be pulled out from the fitting insertion portion 22 located near the outlet E provided in the kitchen stand body C. As described above, the electric cord 14 can be connected to the outlet E by pulling out the required length without exposing the excessive electric cord, and the outlet E is provided at a low position, so that the danger of stumbling on the electric cord 14 is prevented. Yes, it can improve safety.

Further, as shown in FIGS. 8 and 9, an opening G is provided in the base ring portion D of the kitchen stand main body C so that a drawer F for accommodating the foot warmer 1 can be freely taken in and out.

In the present example, the drawer F includes a housing portion F1 in which a frame material H made of a metal rod is joined to form a shape, a vertical front plate F2 fixed to the front surface of the housing portion F1, and the housing Wheels F3 ... Are pivotally attached to both side surfaces of the portion F1, and the drawer F can be freely inserted into and taken out of the opening G by using a handle FA attached to a front plate F2. Also opening G
A magnet Q is fixed to the lower surface of the kitchen stand main body C that is continuous with the upper edge of the kitchen stand, and the drawer F has an iron piece FE that is in contact with the magnet Q and is fixed to the back surface of the front plate F2 by being housed in the opening G. Therefore, the drawer F contacts the magnet Q and the opening G
It is conveniently stored in the lower part of the kitchen stand main body C.

When the foot warmer 1 is not used, it is folded in two by the folding section 25 and is accommodated in the accommodation section F1 of the drawer F, and is accommodated in the lower portion of the kitchen stand main body C. Since the storage area for the foot warmer 1 is provided on the kitchen stand A as described above, the kitchen stand A
It is possible to store the foot warmer 1 conveniently without making a loss in appearance by effectively utilizing the pedestal portion D of the.

[0035]

As described above, the foot warmer of the present invention is provided with a switch that is turned on by the weight of a person who rides on the body of the foot warmer and energizes the electric heating element and the outlet, so that the foot warmer can be used only when the person steps on and off. It is possible to automatically turn on the warmer and electric devices such as a source light and a ventilation fan that are connected to the outlet, which can improve usability and prevent forgetting to turn it off to improve safety and achieve energy saving.

[Brief description of drawings]

FIG. 1 is a plan view showing an embodiment of the present invention.

FIG. 2 is a rear view thereof.

FIG. 3 is a sectional view thereof.

FIG. 4 is a cross-sectional view showing a switch.

FIG. 5 is a circuit diagram illustrating an electric circuit.

FIG. 6 is a plan view illustrating the location of the foot warmer.

FIG. 7 is a plan view illustrating the location of the foot warmer.

FIG. 8 is a perspective view illustrating a kitchen stand.

FIG. 9 is a cross-sectional view showing storage of the drawer in the kitchen stand body.

[Explanation of symbols]

 2 Top cover sheet 3 Metal plate 4 Thermal insulation plate 5 Electric heating element 6 Bottom cover sheet 7 Foot warmer body 8 Outlet 10 Switch

Claims (1)

[Claims] 1. An upper cover sheet, a soaking metal plate which is arranged on the lower surface of the upper cover sheet and whose upper surface is covered by the upper cover sheet, and a heat insulating plate which is arranged on the lower surface and is made of a heat insulating material. ,
An electric heating element embedded in the upper surface of the heat insulating plate, and a foot warmer body composed of a lower cover sheet provided on the lower surface of the heat insulating plate body, and an outlet provided on the side surface of the foot warmer body, A foot warmer comprising a body of the foot warmer and a switch for turning on the body of the foot warmer depending on the weight of a person riding on the body of the foot warmer to energize the electric heating body and the outlet.