JP2001190634A - Foot warm bath device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a device for heating a human body through foot skin with energy of warm water and a bath agent filled in an inner vessel, in which feet are placed, while preventing low-temperature burn caused by contact of the side surface of the feet with the inner vessel. SOLUTION: A heating element 2 is attached to the outer bottom surface and the outer peripheral surface of a resin inner vessel 1, whose upper surface is opened. Protrusions 8 exerting a green bamboo stepping effect is formed on the inner bottom surface. A plurality of oblong protection ribs 4 are formed on the inner peripheral surface.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a foot warmer for warming feet using hot water, and more particularly, to ensuring safety of the foot warmer.

[0002]

2. Description of the Related Art FIGS. 4 and 5 show a conventional foot warming bath.

[0003] The structure of this device is such that a waterproof cord-like heating element 2 is provided on the outer bottom surface and the peripheral side surface of a substantially rectangular inner container 1 formed of an electrically insulating material such as a polypropylene resin and having an open upper surface. The inner container 1 and the heating element 2 are molded from an electrically insulating material such as polypropylene resin,
It is covered with an outer container 3 constituting an outer shell, and further provided with a control body 5 for controlling the amount of heat generated by the heating element 2 on the outer bottom surface of the inner container 1, a temperature fuse 6, and a temperature setting means 7 on the upper surface.
(Japanese Unexamined Patent Publication No. 7-100180) The method of using this product is to add hot water 10 previously adjusted to an appropriate temperature to inner container 1.
Then, the temperature is set appropriately by the temperature setting means 7 and the power is turned on.

As a result, the heating element 2 is energized,
Heat generation is continued until the control unit 5 controls the energizing operation. When the temperature reaches a set temperature, the operation of interrupting the energization to the heating unit 2 is repeated to keep the temperature of the hot water 10 constant.

[0005] The user puts a prescribed amount of the bath medicine 11 into the hot water 10, sits on a chair 12 as shown in Fig. 3, puts his feet in the hot water 10 in the inner container 1, and keeps the state for 15 to 30 minutes. keep.

Accordingly, the user warms the human body through the skin of the feet by the action of the energy of the hot water 10 and the action of the bath medicine 11, and transmits the heat of the hot water and the action of the medicine 11 to the whole body by the flow of blood to improve blood circulation. To recover from fatigue and maintain health.

[0007]

In the above-mentioned conventional apparatus, since the heating element 2 is provided on the outer bottom surface and the peripheral side surface of the inner container 1, it is effective in keeping the heat. If the foot is put in contact with the surface corresponding to the heating element 2, there is a safety problem that a so-called low-temperature burn occurs, and some countermeasure is required.

The low-temperature burn is caused by direct heat transfer of the heating element 2 when the foot comes into close contact with the surface of the inner container 1 on which the heating element 2 is adhered. Can be prevented by intervening.

For this reason, conventionally, as shown in FIG. 4, a bamboo step 8 is formed on the inner bottom surface of the inner container 1, and as shown in FIG. 9 was separately molded and removably inserted into the inner container 1.

[0010] However, all of these are internal containers 1
, That is, to protect the sole side, that is, to prevent the contact between the side surface of the foot and the inner peripheral surface of the inner container 1, and the potential for low-temperature burn cannot be excluded. Was.

[0011]

DISCLOSURE OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and is not limited to the inner bottom surface of the inner container in which the sole of the foot is in close contact with the sole, but also the side surface of the foot and the inner container. Hot water is also interposed between the inner peripheral surface and the inner surface to eliminate the potential of low-temperature burns.

[0012]

DESCRIPTION OF THE PREFERRED EMBODIMENTS In the first aspect of the present invention, a heating element is attached to the outer bottom surface and the peripheral side surface of a resin inner container having an open upper surface, and the entire outside is covered with a resin outer container. In the warm bath, a plurality of protective ribs are formed on an inner peripheral surface of the inner container.

[0013]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below with reference to FIGS.

In FIG. 1, reference numeral 1 denotes an inner container having an open upper surface, which is formed of heat-resistant resin and has a volume suitable for accommodating both feet of a user. Reference numeral 2 denotes a cord-like heating element provided on the outer bottom surface and the peripheral side surface of the inner container 1, which is formed by winding a heating wire around a core yarn made of glass or the like, covered with an electrically insulating material such as silicon rubber, and further having good heat conduction. It is connected by an aluminum sheet, and its saturation temperature is set to be 100 ° C. or less.

An outer container 3 is formed of a heat-resistant resin and forms an outer shell.

Reference numeral 4 denotes a protective rib according to the present invention for preventing the side surface of the user's foot from directly contacting the inner peripheral surface of the inner container 1, and the inner peripheral surface facing the heating element 2. Are formed to be vertically long on the entire circumference or at required portions.

If the protective rib 4 is formed to be vertically long, it can be formed integrally with the inner container 1 during resin molding, and the die can be easily removed. It may be a horizontally long rib.

Reference numeral 5 denotes a control unit which controls the output of the heating element 2 so as to maintain the temperature of the hot water at about 38 to 45 ° C. by utilizing the resistance change of the thermistor.

Reference numeral 6 denotes a thermal fuse as an over-temperature prevention device, which is attached to the outer bottom surface of the inner container 1 and prevents abnormal heating of the heating element 2 as a safety device when the controller 5 fails.

Reference numeral 7 denotes a temperature setting means such as a sheet switch for allowing a user to appropriately set the temperature of hot water, and is exposed on the upper surface.

Reference numeral 8 denotes a large and small number of green bamboo stepping projections formed on the inner bottom surface of the inner container 1, which are formed integrally with the inner container 1, and when the user puts his / her foot on the inner bamboo step. A gap 14 is ensured between the inner surface of the bottom and the bottom.

An outer cover 13 covers the upper surface of the inner container, is detachably attached to the inner container 1, and is formed of resin.

The present invention has the above structure. The method of use is to remove the outer lid 13, put hot water 10 adjusted in advance to an appropriate temperature into the inner container 1, attach the outer lid 13, and connect the power supply. The setting means 7 is set to a temperature desired by the user. As a result, energization of the heating element 2 is started, the bottom of the inner container 1 is heated, and the hot water 10 in contact therewith is heated.
Is also heated and stirred up.

Further, the control unit 5 controls the energizing operation of the heating element 2 to stop the energization when the temperature reaches the set temperature, and keeps the temperature of the hot water 10 constant.

The user puts a prescribed amount of the bath medicine 11 into the hot water 10, sits down on a chair 12 as shown in FIG. 3 and places his foot on the green bamboo stepping projection 8 in the hot water 10 of the inner container 1. , About 2
Hold for 0 minutes. At this time, since the user's feet are placed on the green bamboo stepping projections 8, a green bamboo stepping effect is obtained, and the user does not come into contact with the high-temperature portion of the inner container 1 without worrying about low-temperature burns. Improve blood circulation to recover from fatigue and maintain health.

When the foot is moved during use, the side surface thereof touches the inner peripheral surface of the inner container 1, and a plurality of protective ribs 4 are provided on the inner peripheral surface with an appropriate gap. As a result, a gap 14 is formed between the inner container 1 and the side surface of the foot, and hot water is interposed therebetween.

[0027]

According to the present invention, since a plurality of protective ribs are formed on the inner peripheral surface of the inner container, a gap is formed on the inner peripheral surface of the inner container through which hot water can convect, and the foot is directly connected to the inner peripheral surface. Without touching the hot parts of the surface, this prevents cold burns,
The effect of the footbath can be enhanced safely.

[Brief description of the drawings]

FIG. 1 is a cross-sectional view of a foot warm bath according to an embodiment of the present invention.

FIG. 2 is a plan view of a foot warm bath according to one embodiment of the present invention.

FIG. 3 is an explanatory diagram of a use state of the foot warm bath;

FIG. 4 is a cross-sectional view of a foot warm bath showing a conventional example.

FIG. 5 is a cross-sectional view of a foot warm bath showing another conventional example.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Inner container 2 Heating element 3 Outer container 4 Protective rib 8 Aotake stepping projection 14 Gap

Claims (1)

[Claims] 1. A foot warm bath comprising a heating element (2) attached to an outer bottom surface and a peripheral side surface of a resin inner container (1) having an open upper surface, and the entire outside thereof is covered with an outer container (3) also made of resin. A foot warm bath wherein a plurality of protective ribs (4) are formed on the inner peripheral surface of the inner container (1).