JP2006226543A - Table type electric kotatsu (foot warmer) - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a table-type electric kotatsu capable of easily preventing burn injury while utilizing an existing sheet heater without impairing heat efficiency. <P>SOLUTION: In this electric kotatsu provided with the sheet heater 1 on a central portion of a frame body 4 supported by leg portions 3, a metallic surface plate 11 as a heat radiating portion of the sheet heater 1 is covered by a lattice member 2 composed of woody material to prevent user's skin from direct contact with the metallic surface plate 11. Preferably, a sheet 5 composed of noncombustible non-woven fabric, noncombustible cloth or the like, is attached to the metallic surface plate 11. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a table-type electric kotatsu having a burn prevention function.

A table-type electric kotatsu is used by attaching a heating element to the center of a frame supported by legs and hanging a kotatsu futon on the frame. At this time, a hot-air electric kotatsu having a function of deodorizing the odor trapped in the sealed space formed by the futon is disclosed in the following patent document.
Japanese Patent Laid-Open No. 5-45002 (pages 1 to 3, FIGS. 2 and 3)

  On the other hand, when an electric heater, particularly a planar heater, is used as the heating element, the above-mentioned planar heater becomes quite hot in order to keep the temperature in the futon at an appropriate temperature, and as a result, the surface temperature of the heat radiating portion of the planar heater increases. To do. Since a metal surface plate is usually used as the heat dissipating part, there is a risk of burns if the limb directly contacts the high temperature metal surface plate. Therefore, thick plywood or MDF is used for the heat radiating portion of the planar heater, or when the heat radiating portion is a metal, a flocking process is performed on the surface of the metal.

  However, in order to raise the temperature in the futon through the thick surface material, the surface heater must be further heated, and there is a problem that power consumption is increased and thermal efficiency is deteriorated. Moreover, when flocked on the surface of a metal plate, the problem of “baldness” or “whitening” occurs. It is an object of the present invention to solve such a problem and to provide a table-type electric kotatsu that can easily prevent burns by using an existing planar heater without reducing thermal efficiency. .

  In order to solve the above problems, the present invention takes the following technical means. That is, according to the present invention, an electric kotatsu equipped with a planar heater at the center of the frame supported by the legs, the metal surface plate as the heat radiating portion of the planar heater and the skin of the user There is provided a table-type electric kotatsu in which the metal surface plate is covered with a lattice member formed of a wood-based material so as to prevent direct contact with the metal. It is preferable that a sheet made of a non-combustible material is further attached to the metal surface plate. As the sheet, a nonflammable nonwoven fabric or a nonflammable cloth is used.

  The invention according to claim 1 is as described above, and the metal surface plate of the planar heater is covered with a lattice member formed of a wood material, so that the skin of the user has a low heat transfer coefficient. In order to prevent contact with the member and direct contact with the hot metal surface plate, it is possible to prevent burns of the user.

  By attaching a sheet made of a non-combustible material to the metal surface plate, the sheet is interposed even if a finger or the like is mistakenly inserted between the lattice of the lattice member and touches the high-temperature metal surface plate. Therefore, burns can be prevented.

  Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. FIG. 1 is an exploded perspective view showing a table-type electric kotatsu according to the present invention, in which a planar heater 1 is mounted at the center of a frame 4 supported by four legs 3. In the present embodiment, a lattice member 2 formed of a wood-based material is attached so as to cover the metal surface plate 11 that is a heat radiating portion of the planar heater 1. By interposing the lattice member 2 in this way, the user's skin is not in direct contact with the metal surface plate 11, so that burns can be prevented. Reference numeral 12 denotes a joining piece attached to the planar heater 1, and reference numeral 21 denotes a joining piece attached to the lattice member 2.

  FIG. 2 is a side sectional view showing a state in which the lattice member 2 is covered on the metal surface plate 11. As apparent from FIG. 2, the metal surface plate 11 is firmly covered with the lattice member 2 by joining the joining piece 12 and the joining piece 21 with the fixing screw 6. In the present embodiment, the grid width w of the grid member 2 is about 6 mm, and is provided at a pitch p of about 50 mm. In addition, by setting the height h of the grid to about 10 mm, it is possible to keep a gap of the height h of the grid between the metal surface plate 11 and prevent direct contact and sufficiently prevent burns. Can do.

  FIG. 3 is a side cross-sectional view showing a form in which a sheet 5 made of a non-combustible nonwoven fabric or a non-combustible cloth is attached to the upper surface of the metal surface plate 11 and covered with the lattice member 2. It is clear from FIG. 3 that even if a finger or the like is mistakenly inserted between the lattices and touches the metal surface plate 11, the sheet 5 is interposed, so that burns can be prevented.

It is a disassembled perspective view which shows the table type electric kotatsu concerning this invention. It is a sectional side view which shows the state which covered the lattice member on the metal surface board. It is a sectional side view which shows the state which covered the grating | lattice member on the metal surface board in which the sheet | seat was stuck.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Planar heater 11 Metal surface plate 2 Lattice member 3 Leg part 4 Frame body 5 Sheet

Claims (2)

  An electric kotatsu equipped with a planar heater at the center of the frame supported by the legs so as to prevent direct contact between the metal surface plate, which is the heat dissipation part of the planar heater, and the user's skin A table-type electric kotatsu made by covering the metal surface plate with a lattice member made of a wood-based material.   The table-type electric kotatsu according to claim 1, wherein a sheet made of a non-combustible material is further affixed to the metal surface plate.

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