JPH08200707A - 'kotatsu' under floor level - Google Patents

Abstract

PURPOSE: To provide a 'kotatsu' under floor level wherein the overall inside of the 'kotatsu' under floor level main body is well heated, and by which the overall lower half of body, especially calf parts are effectively warmed, and there is no fear for a low temperature burn. CONSTITUTION: An internal bottom surface 2 of a box shape 'kotatsu' under floor level main body 1 of which the top is opened is formed larger than the top opening 3 of the 'kotatsu' under floor level main body 1, and a recessed space 5 where the internal side surface 4 of the 'kotatsu' under floor level main body 1 is expanded to the outside is provided. Then, on the lower surface of a top plate part 6 of the recessed space 5, a sheet-form heater 7 is provided.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a moat kotatsu having a planar heater provided on the inner surface of a main body of the moat kotatsu buried in a floor surface.

[0002]

2. Description of the Related Art Conventionally, as shown in FIG. 6, a moat kotatsu formed by arranging a planar heater (b) on the inner bottom surface of a box-shaped moat kotatsu body (a) having an upper opening is Are known. In this moat kotatsu, a frame (e) is installed and fixed to the periphery of a mounting opening (d) formed on the floor surface (c), and the main body (a) of the moat kotatsu is attached to the frame (e). ) The upper opening edge is fixedly connected. Further, a waggle body (h) is installed above the mounting opening (d), and in this case, a leg body (g) hung vertically on a square of the top plate (f) of the waggle body (h) is installed. It is erected and fixed on the frame (e). Therefore, in the moat kotatsu, the inside of the moat kotatsu body (a) is warmed by the planar heater (b) and the toes are directly placed on the planar heater (b), The lower body is heated.

[0003]

However, in the above prior art, in order to prevent low temperature burns of the toes placed on the sheet heater (b), the sheet heater (b) is required.
The temperature was set low, and therefore the entire interior of the moat kotatsu body (a) could not be sufficiently warmed. Moreover, although the toes are warmed by the same surface heater (b), the entire lower half of the body cannot be effectively warmed.

The present invention has been invented to solve the above-mentioned problems in the prior art. That is, the problem is that the entire inside of the digging kotatsu body is sufficiently warmed and the entire lower half of the body, especially the calf. The goal is to provide a moat that is effectively warmed up and free from the risk of cold burns.

[0005]

The moat kotatsu according to claim 1 of the present invention is characterized in that the inner bottom surface of the box-shaped moat kotatsu body opened upward is more than the upper opening of the moat kotatsu body. By forming a large space, the inner surface of the moat kotatsu body is provided with a concave space that bulges outward, and a planar heater is provided along the lower surface of the upper plate portion of the concave space. Has been resolved.

The moat kotatsu according to claim 2 of the present invention is the moat kotatsu according to claim 1 in which a wobble body having a size substantially matching the upper opening of the body of the moat kotatsu is formed in the upper opening. It is characterized in that it is erected on the upper side and the upper surface of the upper plate portion of the concave space serves as a seat portion.

The moat kotatsu according to claim 3 of the present invention is the moat kotatsu according to claim 1 or 2, wherein a flat sheet heater for the bottom is provided along the inner bottom surface of the moat kotatsu body. Is characterized by.

[0008]

In the moat kotatsu according to claim 1 of the present invention, the inner bottom surface of the box-shaped moat kotatsu body opened upward is formed to be larger than the upper opening of the moat kotatsu body. Since a concave space in which the inner side surface of the body of the moat is swelled outward is provided and a planar heater is provided along the lower surface of the upper plate portion of the concave space, a calf portion is formed on the planar heater. There is no contact and there is no concern about low temperature burns, therefore
The temperature of the coplanar heater can be set high, and the entire planar interior of the moat kotatsu body can be sufficiently warmed by the planar heater, and the coplanar heater is located above the back side of the calf part. Then, the whole lower body, especially the calf, is effectively warmed.

In the moat kotatsu according to claim 2 of the present invention, in particular, a wobble body having a size substantially matching the upper opening of the main body of the moat kotatsu stands upright on the upper opening to form a concave space. Since the upper surface of the upper plate part is the seat part, the heat of the planar heater is transmitted through the upper plate part to heat the seat part, and the buttocks can be effectively warmed when sitting on the seat part. In the moat kotatsu according to claim 3 of the invention, in particular, since the bottom planar heater is provided along the inner bottom surface of the main body of the moat, the moat is formed by the planar heater and the bottom planar heater. The entire inside of the Rigotatsu main body is warmed more sufficiently from above and below, and both the planar heater and the planar heater for the bottom are thinly housed inside the Dorigotatsu main body. A large space is secured, and the same surface heater and the bottom surface heater are packed when not in use. The like 搬時 can also pay thinner it like a flat.

[0010]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The moat kotatsu body shown in FIGS. 1 and 2 is an embodiment of the present invention. Is formed larger than the upper opening 3 of the same, and the inner surface 4 of the moat kotatsu body 1 is provided with a concave space 5 bulging outward, and the planar heater 7 is provided on the lower surface of the upper plate portion 6 of the concave space 5. Is installed alongside.

In the moat kotatsu of this embodiment, a waggle body 9 having a size substantially matching the upper opening 3 of the main body 1 of the moat kotatsu is erected on the upper opening 3 to form the concave space 5. The upper surface of the upper plate portion 6 serves as a seat portion 10. Further, a bottom planar heater 8 is provided along the inner bottom surface 2 of the moat kotatsu body 1. In this case, the temperature of the bottom planar heater 8 is the above planar heater 7.
Is set lower than the temperature of the
There is no risk of low-temperature burns when the toes are placed on top of.

Further, a wide frame is installed and fixed on the periphery of the mounting opening formed on the floor surface, and the frame serves as the upper plate portion 6. The upper edge of the side plate of the digging kotatsu body 1 is fixedly coupled to the upper plate portion 6, and the opening portion surrounded by the upper plate portion 6 becomes the upper opening 3 of the digging kotatsu body 1. Above the upper opening 3, the wobble body 9 is installed, and in this case, the leg body 12 hung in a square of the top plate 11 of the wobble body 9 is provided on the upper plate portion 6.
It is fixed upright on the inner edge of the. Further, the moat kotatsu body 1 is formed of a heat insulating material in a box shape so that heat cannot escape from the moat kotatsu body 1 to the outside.

Further, an outlet 13 is attached to the inner side surface 4 of the body of the moat kotatsu, which is a power cord that is led out from each of the planar heater 7 and the planar heater 8 for the bottom. The plug 14 provided at the tip is connected to the outlet 13 to supply electricity to the same-plane heater 7 and the bottom-plane heater 8, and therefore the power cord does not interfere with the floor surface. . An operation code is similarly derived from the planar heater 7 and the bottom planar heater 8, and the operation code is passed from the upper opening 3 of the moat kotatsu body 1 to the outside of the moat kotatsu body 1. The temperature of the planar heater 7 and the bottom planar heater 8 is adjusted by the controller 15 that is extended and provided at the tip of the operation cord.

Further, the sheet heater 7 is formed in the shape of a rectangular frame sheet having an opening 16 having a shape that substantially matches the upper opening 3 of the main body 1 of the dug-out kotatsu, and the sheet heater 8 for the bottom is rectangular. It is formed in the shape of a flat sheet, and both are detachably attached to the lower surface of the upper plate portion 6 or the inner bottom surface 2 with a double-sided adhesive tape, a removable engagement tape, or the like. The sheet heater 7 and the sheet heater 8 for the bottom are formed in substantially the same manner as a well-known electric carpet, and the temperature is controlled by a stepless switch provided in the controller 15. The heater wiring density is lower than the heater wiring density of the planar heater 7, and the temperature of the bottom planar heater 8 is necessarily lower than the temperature of the planar heater 7.

Therefore, in the moat kotatsu of this embodiment, since the planar heater 7 is provided along the lower surface of the upper plate portion 6 of the concave space 5 which bulges outward, the planar heater 7 is The calf does not come into contact with each other, and there is no concern about low-temperature burns. Therefore, the temperature of the planar heater 7 can be set high, and the planar heater 7 can secure the entire interior of the dug and kotatsu body 1. It can be sufficiently warmed up, and moreover, the planar heater 7 is positioned above the back side of the calf portion, so that the entire lower half of the body, particularly the calf portion, is effectively warmed.

Further, in the moat kotatsu of this embodiment, since the upper surface of the upper plate portion 6 of the concave space 5 is the seat portion 10, the heat of the sheet heater 7 causes the upper plate portion 6 to be heated. Transmission 10
Is heated, and the buttocks are effectively warmed when sitting on the seat 10. Furthermore, since the bottom planar heater 8 is separately provided along the inner bottom surface of the dug-gotatsu main body 1, the dug-gotatsu main body 1 is formed by the above-mentioned planar heater 7 and the bottom-shaped flat heater 8.
Since the entire inside of the digging kotatsu is heated more sufficiently from above and below, and moreover, both the planar heater 7 and the bottom planar heater 8 are housed thinly inside the digging kotatsu body 1, the inside of the digging kotatsu body 1 A large space is secured, and when the same-side heater 7 and the bottom-side heater 8 are not used for storage or are transported in a package,
It is also possible to store these thinly in a flat shape.

The moat kotatsu shown in FIGS. 3 and 4 is another embodiment of the present invention. In the moat kotatsu of this embodiment, the moat kotatsu is located in the middle of the inner bottom surface 2 of the moat kotatsu body 1. A box heater 17 is installed, and the box body is placed close to the upper side of the box heater 17.
18 is erected between the inner side surfaces 4 of the body 1 of the moat. Further, the upper plate portion 6 of the peripheral portion of the upper opening 3 of the moat kotatsu body 1 is formed as a composite panel material instead of the frame body in the above-mentioned embodiment, and the upper plate portion 6 is formed into a plurality of wooden lumbers 19. The surface material 20 is attached to both sides of the core frame formed by
The outer edge portion of the upper plate portion 6 is fixedly engaged with a recessed step portion 22 formed in the upper edge inner edge portion of the side wall portion 21 of the digging kotatsu body 1.

Therefore, in the moat kotatsu of the embodiment, by forming the upper plate portion 6 large, it is possible to secure a large surface area of the seat portion 10 on the upper plate portion 6,
The buttocks can be more effectively warmed when sitting on the seat 10. Further, the box heater 17 is adopted in place of the bottom surface heater 8 in the above-described embodiment, but other than that, the configuration is similar to that of the above-described embodiment, and substantially the same operational effect as that of the above-mentioned embodiment is obtained. To be done.

The moat kotatsu shown in FIG. 5 is still another embodiment of the present invention. In the moat kotatsu of this embodiment, only the two sides of the moat kotatsu body 1 which are rectangular in shape and are opposed to each other. Is provided with a concave space 5, a planar heater 7 is provided along the lower surface of the upper plate portion 6 of the biconcave space 5, and a side planar heater 23 is provided along the inner side surface 4 of the biconcave space 5. The planar heater 8 for the bottom is provided along the inner bottom surface 2 of the main body 1 of the moat, and the planar heater 23 for the side and the planar heater 7 are foldable integrally on both sides of the planar heater 8 for the bottom. It is lined up.

Therefore, in the moat kotatsu of the embodiment, the bottom surface heater 8 and the side surface heater 8 are integrated.
23, the planar heater 7 can be housed together inside the digging tray body 1, and the bottom planar heater 8, the side planar heater 23, and the planar heater 7 can also be housed in the same digging iron. The bottom surface 2, the inner side surface 4, and the lower surface of the upper plate portion 6 of the tatsu main body 1 can be accurately and easily installed along with each other, and moreover, the planar heater 8 for the bottom, the planar heater 23 for the side, the planar heater When the heater 7 is not used, stored, transported in a package, or the like, it can be folded and stored compactly. Other than that, the configuration is similar to that of the above-described embodiment, and the same operational effect as that of the above-described embodiment is exhibited.

[0021]

As described above, in the moat kotatsu according to claim 1 of the present invention, since the planar heater is provided along the lower surface of the upper plate portion of the concave space that bulges outward, The calf portion does not come into contact with the planar heater and there is no concern about low-temperature burns. Therefore, the temperature of the planar heater can be set high, and the entire planar interior of the digging kotatsu body can be set by the planar heater. Can be sufficiently warmed, and moreover, the planar heater is located above the back side of the calf portion, so that the entire lower half of the body, particularly the calf portion, can be effectively warmed.

Further, in the moat kotatsu according to claim 2 of the present invention, in particular, since the upper surface of the upper plate portion of the concave space is the seat portion, the heat of the planar heater is transmitted through the upper plate portion. The seat portion is heated so that the buttocks are effectively warmed when sitting on the seat portion. Further, in the digging kotatsu according to claim 3 of the present invention, in particular, the inner bottom surface of the digging kotatsu body. Since the planar heater for the bottom is provided alongside, the entire interior of the moat kotatsu body is sufficiently warmed from above and below by the planar heater and the planar heater for the bottom. Since the flat sheet heater for both is housed thinly inside the body of the moat kotatsu, a large internal space is secured for the body of the moat kotatsu, and when the same surface heater and the flat surface heater for the bottom are not stored, These can be thinly stored in a flat shape when they are packaged and transported.

[Brief description of drawings]

FIG. 1 is a vertical cross-sectional view of a moat rig according to an embodiment of the present invention.

FIG. 2 is a plan view of a planar heater and a bottom planar heater in the moat kotatsu.

FIG. 3 is a vertical cross-sectional view of a moat rig according to another embodiment.

FIG. 4 is a transverse cross-sectional view of a peripheral portion of an upper opening in the moat kotatsu.

FIG. 5 is a schematic perspective view of a moat rig according to another embodiment.

FIG. 6 is a vertical cross-sectional view of a moat rig that is a conventional example of the present invention.

[Explanation of symbols]

 1 Moat Gotatsu main body 2 Inner bottom surface 3 Upper surface opening 4 Inner side surface 5 Recessed space 6 Upper plate portion 7 Sheet heater 8 Sheet heater for bottom 9 Rattle body 10 Seat portion

Claims (3)

[Claims] 1. An inner bottom surface of a box-shaped moat kotatsu body which is opened upward is formed to be larger than an upper opening of the moat kotatsu body, and an inner side surface of the moat kotatsu body is outward. A moat kotatsu, which is provided with a swelled concave space, and a planar heater is provided along the lower surface of the upper plate portion of the concave space. 2. A waggle body having a size substantially corresponding to the upper opening of the main body of the moat is provided upright on the upper opening, and the upper surface of the upper plate portion of the recessed space serves as a seat portion. The moat kotatsu according to claim 1. 3. The moat kotatsu according to claim 1 or 2, wherein a bottom surface heater is provided along the inner bottom surface of the moat kotatsu body.