JP2000217225A - Wiring box - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent the wall of a building from becoming musty and stainful and from being corroded and an electric wire from short-circuiting due to dew condensation, by providing the box-like main body of the wiring box at the lower end of a conduit and covering the conduit and box-like main body with a heat insulating material. SOLUTION: The periphery of the box-like main body 11 of a wiring box is covered with a heat insulating material 13 composed of expanded polystyrene by sticking the material 13 to the external surface of the main body 11, and the periphery of a conduit 12 is covered with a cylindrical heat insulating material 14 composed of expanded polystyrene. Consequently, the insides of the main body 11 and conduit 12 are not cooled, and no dew condensation occurs in the main body 11 and conduit 12 even when the main body 11 and conduit 12 are cooled with air. Therefore, the occurrence of such a case is prevented that water drops accumulated on the bottom of the wiring box leak out the box, and moistens the wall of a building and the wall becomes musty or stainfull or is corroded or an electric wire is short-circuited.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a wiring box, and more particularly, to a method of removing an adverse effect due to dew condensation inside a box-shaped main body.

[0002]

2. Description of the Related Art Conventionally, for example, Japanese Utility Model Publication No. 63-37559
As described in Japanese Patent Application Laid-Open Publication No. H10-163, there is known a wiring box attached to a wall surface of a building or the like to store wiring equipment and the like.

[0003]

However, in such a wiring box, since the inside of the box-shaped main body and the inside of the conduit joined to the box-shaped main body are lower in temperature than the room temperature of the building, the dew point is low. When the temperature falls below the temperature, condensation forms on the inner surface of the box-shaped body and the inner surface of the conduit, and water drops accumulate on the bottom of the box-shaped body.
If water droplets accumulate on the bottom surface, they may leak out of the wiring box and moisten the walls of the building to cause mold and stains, corrode the walls of the building, or short-circuit the electric wires.

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned problems in the conventional wiring box, and an object of the present invention is to solve the problems in the conventional wiring box and to reduce the condensation. It is an object of the present invention to provide a wiring box which does not cause molds or stains by moistening a wall of a building by water droplets caused by the water droplets, corrode the wall of the building, or short-circuit an electric wire.

[0005]

In order to achieve the above object, a wiring box according to the present invention is a wiring box mounted on a wall of a building, wherein the wiring box is provided at the lower end of a conduit tube. A main body is provided, and the conduit tube and the box-shaped main body are covered with a heat insulating material.

In the present invention, the material of the box-shaped main body and the conduit is not particularly limited. For example, synthetic resins such as hard vinyl chloride resin, polyethylene, polypropylene, ABS resin and the like, usually steel, stainless steel, aluminum,
Metals such as copper can be used.

In the present invention, as the heat insulating material, those conventionally used as heat insulating materials can be used as they are, and are not particularly limited. Examples thereof include foams of synthetic resin such as polyethylene and polystyrene and glass. Wool or the like can be used.

[Operation] In the wiring box of the present invention, a box-shaped main body of the wiring box is provided at the lower end of the conduit, and the conduit and the box-shaped main body are covered with a heat insulating material. The inside of the box-shaped body is not cooled by the outside air, and there is no possibility of dew condensation inside the conduit tube and the box-shaped body.

[0009]

FIG. 1 is a partially cutaway perspective view showing an example of a wiring box according to the present invention. In FIG. 1, 1 is a wiring box of the present invention, 11 is a box-shaped main body made of hard vinyl chloride resin of the wiring box 1, and 12 is a conduit made of hard vinyl chloride resin. The periphery of the box-shaped main body 11 is covered by attaching a heat insulating material 13 made of a plate-like polystyrene foam, and the periphery of the electric conduit 12 is covered with a heat insulating material 14 made of a tubular polystyrene foam.

[0010] In the wiring box of the present invention shown in FIG.
Since the box-shaped main body 11 and the conduit 12 are cooled by the outside air, the inside of the box-shaped main body 11 and the conduit 12 are not cooled, and there is no possibility of dew condensation.

Accordingly, no water droplets are generated inside the box-shaped main body 11 and the conduit tube 12, and water drops are collected on the bottom surface of the box-shaped main body and leak from the wiring box to wet the wall of the building as in the conventional case. There is no danger of causing mold and stains, corroding building walls, or shorting the wires.

Although the embodiment of the present invention has been described with reference to the drawings, the specific configuration of the present invention is not limited to the illustrated embodiment, and design changes within a scope not departing from the gist of the present invention. Are included in the present invention.

For example, instead of coating by attaching a plate-like heat insulating material as in the illustrated embodiment, a heat insulating material made of foamed polyurethane or the like is produced by spraying and foaming a stock solution of foamable polyurethane or the like. It may be coated.

[0014]

According to the wiring box of the present invention, the inside of the conduit tube and the box-shaped main body is not cooled by the outside air, and there is no possibility of dew condensation inside the conduit tube and the box-shaped main body. As described above, there is no danger that water drops will collect on the bottom surface of the box-shaped main body and leak out of the wiring box to moisten the walls of the building to cause mold and stains, corrode the walls of the building, or short-circuit the electric wires.

[Brief description of the drawings]

FIG. 1 is a partially cutaway perspective view showing an example of a wiring box of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Wiring box 11 Box-shaped main body 12 Conduit tube 13 and 14 Insulation material

Claims (1)

[Claims] 1. A wiring box attached to a wall of a building, wherein a box-shaped main body of the wiring box is provided at a lower end of a conduit, and the conduit and the box-shaped main body are covered with a heat insulating material. Characteristic wiring box.