JP7354472B1 - Heater - Google Patents

Abstract

[Problem] Conventional heaters require electricity to be left on, which increases electricity bills. [Solution] The present invention provides a heat insulation box 2 that covers the entire area below the knees, and the front of the upper part of the heat insulation box is provided with a U-shaped opening so that the area below the knees can be easily inserted, and the front side has a double door. A duct insertion hole is provided at the rear of the heat insulation box, and the foot warmer sends hot air from the hot air fan 3 through the duct.The foot warmer maintains heat even when the electricity is turned off because it has an almost sealed structure with insulation material. This makes it possible to significantly reduce costs. [Selection diagram] Figure 1

Description

The present invention relates to a foot warmer using a hot air fan.

Japanese Patent Application Publication No. 2013-144172

Traditional heaters require electricity to be left on, which increases electricity bills. Furthermore, only the heater side (locally) gets warm. Also, even if the room is warmed up by the air conditioner, my feet are still cold. And even with floor heating, only the contact surface is warm.

The conventional foot warming device described above is complicated and expensive, makes it difficult to put the foot in and take it out, and because it is inserted from above, it cannot be installed under a desk, and only heats the sole of the foot.
The present invention is a heat-retaining box that covers the entire area below the knees, and the entire area below the knees becomes warm. It can be placed under the desk, and you can put your feet in from the side with one touch while wearing your everyday clothes, and if you close the double door, it can be almost sealed with one touch. It has a structure that can be almost sealed with insulation material (for example, simple insulation material such as cardboard or plastic cardboard), and there is a U-shaped opening in the front of the upper part of the insulation box so that the area below the knees can be easily inserted. A double door is provided, a thick insulating material is provided at the bottom to isolate it from the cold floor, and a duct insertion hole is provided at the rear of the heat insulation box, and hot air is sent from a hot air fan through the duct. It's a foot warmer. That is, the upper part of the heat insulation box allows you to easily put your feet in and take them out with a single touch while wearing your normal clothes, and your feet can be put in from the side, and by closing the double doors, you can close the box with a single touch. The structure should be simple, lightweight, and inexpensive.

Preferably, a heat insulating material is laid on the inside bottom of the heat insulation box. In addition, a space is preferably secured at the rear of the heat-insulating box by extending the bottom plate. In other words, a dryer can be placed in this space. That is, by placing it in this location, it is easy to move it together with the heat insulation box.

Preferably, a futon dryer is used as the hot air blower. In other words, the futon dryer can be used effectively, and has two functions (futon drying function and foot warming function of the present invention). In addition, the front part of the box is preferably opened on both sides so that feet can be easily put in and taken out.
You can put your feet in and take them out while wearing everyday clothes, and you can seal them almost completely with one touch. It has an easy-to-use structure.

More preferably, a fixing metal fitting (magnets are also possible) is used to close and seal the double door.
have. In other words, it has a structure that allows you to put your feet in and take them out with a single touch during your daily lifestyle (while wearing clothes), and it is almost completely sealed.

As mentioned above, the foot warmer of the present invention blows warm air into a nearly closed space, so it warms up quickly and keeps you warm for a long time. And you can keep the whole area below your knees warm. (It can be used throughout the year, both winter and summer, as it can be used throughout the year, not only in winter, but also in summer, when the cold air from the air conditioner in the room accumulates at the bottom, making your feet very cold.) As a result, you can significantly reduce your electricity bill. Electricity shortages will be alleviated.

FIG. 1 is a perspective view showing an embodiment of the foot warmer of the present invention. FIG. 2 is a plan view showing the foot warmer in use. FIG. 2 is a side view showing the foot warmer in use. This is a front perspective photograph of the prototype foot warmer. This is a rear perspective photograph of the prototype foot warmer.

The present invention is a thermal insulation box that covers the entire area below the knees, and the upper front part of the thermal insulation box has a U-shaped opening so that the area below the knees can be easily inserted, and the front side has a double door (double door). It has a fixing metal fitting (magnets are also possible) so that when the double door is closed, it becomes almost airtight.
A thick insulating material is placed on the inside bottom of the heat insulation box to isolate it from the cold floor.

The foot warmer is characterized in that there is a space in the rear part of the warming box to place a futon dryer, and a duct insertion hole is provided above the rear part, and hot air is sent from the futon dryer through the duct. The lower part of the warming box has a bottom plate large enough to accommodate the futon dryer and the warming box, and is structured so that the futon dryer and the warming box can be moved together.

The photos in Figures 4 and 5 are prototypes and show a heat-insulating box made from a cardboard box.
In the prototype, when the room temperature was 18°C, the temperature reached 33°C after 5 minutes, and the temperature remained at 25°C even after an hour with the electricity turned off. (Since it is a simple prototype, there are many gaps)

1 Fastener (magnet is also possible)
2 Heat insulation box 3 Futon dryer 4 Insulation material 5 Bottom plate

Claims (2)

A foot warmer comprising a heating box that covers the entire area below the knees, and a thick insulation material provided at the bottom of the heating box to isolate it from the cold floor, the heating box being formed of insulation material and almost airtight. A U-shaped opening is provided at the front of the top of the insulation box so that the area below the knees can be easily inserted, and a double door (double door) is provided at the front of the insulation box. The foot warmer is characterized in that a duct insertion hole is provided on the rear surface of the heat insulation box, and hot air can be sent from a hot air fan through the duct inserted into the duct insertion hole. The heat insulation box and the hot air fan located behind it can be placed on the bottom surface of the heat insulation box.
2. The foot warmer according to claim 1, further comprising a bottom plate of a suitable size so that the heat insulating box and the hot air fan can be moved together.