JPH08144389A - Structure of under floor ventilating opening - Google Patents

Abstract

PURPOSE: To perform the construction in a short time without skillfulness in the construction work, and to enable the removal of a fitting for under floor ventilating opening at need. CONSTITUTION: A fitting 5 for under floor ventilating opening provided with a fixing plate part 4, which is projected to the plate surface of a main plate part 3, in the upper part of the main plate part 3 having plural ventilation slits 2 is arranged in a recessed part 7 provided in the continuous footing 6. A fixing plate part 4 is made to abut on the lower end surface 8a of a groundsill 8, which is fixed to the upper end of the continuous footing 6, so as to ride over the opening of the recessed part 7 of the continuous footing 6, and the fixing plate part 4 is fixed by a fixing tool 9.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a structure of an underfloor ventilation opening in a building, particularly a wooden building.

[0002]

2. Description of the Related Art As is well known, an underfloor ventilation port for ventilation is provided in a cloth foundation in a building, particularly a wooden building. Of these underfloor vents, those provided on the outer fabric foundation have a plate-like underfloor vent with a specified effective ventilation area to prevent animals such as mice and insects from entering the floor. Hardware is attached.

An example of this type of underfloor ventilation opening hardware is shown in FIG.
, A plurality of slits 21 for ventilation are formed so that a predetermined effective ventilation area is formed, and fixing pieces 20a and 20b are formed on the side surface and the bottom surface. Is used. And
As shown in FIGS. 5 and 6, a recess 23 for arranging the underfloor ventilation hole metal fitting 20 is previously formed in the cloth foundation 22 with a mold or the like, and the concave portion 23 is formed in the concave portion 23. Two
0 is arranged, and the inner side surface 23a and the bottom surface 23b of the recess 23 are arranged.
A mortar 24 is applied to the underside of the underfloor ventilation hole fitting 20a and 20b by embedding the mortar 24, and the underfloor ventilation opening fitting 20 is fixed.

[0004]

By the way, in the conventional structure of the underfloor ventilation opening, the underfloor ventilation opening fitting 20 is fixed with the mortar 24 in the recess 23 provided in the cloth foundation 22 as described above. Therefore, the construction work required skill. In addition, if the mortar 24 is cracked after the construction or if the mortar 2 has poor adhesion to the foundation,
When 4 was peeled off, the underfloor ventilation port metal fitting 20 could easily come off. Furthermore, when the need for underfloor maintenance arises, the underfloor ventilation port metal fitting 20 cannot be removed unless the mortar 24 is once attached, which is troublesome.

SUMMARY OF THE INVENTION An object of the present invention is to provide a structure of a ventilation port which requires no skill for construction work and can be installed in a short time, and which can be detached from the underfloor ventilation port metal fittings if necessary.

[0006]

According to a first aspect of the present invention, a fixing plate portion projecting with respect to a plate surface of the main plate portion is provided on an upper portion of the main plate portion having a plurality of ventilation slits. The underfloor ventilation opening is placed in a recess provided in the cloth foundation, and under the base fixed to the upper end of the cloth foundation so as to straddle the opening of the recess in the cloth foundation. The above object is achieved by providing a structure of an underfloor ventilation port characterized in that the fixing plate portion is brought into contact with the end face and is fixed by a fixing tool.

The invention according to claim 2 of the present invention is
The structure of the underfloor ventilation opening according to claim 1, wherein the fixing plate portion is constituted by a plate body having elasticity, and is urged to the lower end surface of the base by its elastic force. The above objectives have been achieved by providing a structure for an underfloor vent.

[0008]

In the structure of the underfloor ventilation opening according to the first aspect of the present invention, ventilation under the floor is performed through the ventilation slit, but the upper part of the main plate portion is projected to the plate surface of the main plate portion. The fixing plate provided is brought into contact with the lower end surface of the base fixed to the upper end of the cloth base so as to straddle the opening of the recess of the cloth base, and fixed by a fixing tool, thereby Ventilation metal fittings can be easily fixed. Further, by removing the fixing tool, the underfloor ventilation port metal fitting can be easily removed.

In the structure of the underfloor ventilation port according to the second aspect of the present invention, the fixing plate portion is composed of an elastic plate member and is urged by the elastic force to the lower end surface of the base. Therefore, even before fixing with the fixing tool, or even when the fixing tool is removed, the underfloor ventilation hole hardware is temporarily fixed in the recess of the cloth foundation without support.

[0010]

Embodiments of the present invention will now be described in detail with reference to the accompanying drawings.

1 and 2 show a first embodiment of the structure of an underfloor ventilation port according to the present invention. In the figure,
Reference numeral 1 indicates the structure of the underfloor ventilation port.

As shown in FIG. 1, the structure 1 of the above-mentioned underfloor ventilation port has a fixing plate which is provided above a main plate portion 3 having a plurality of ventilation slits 2 and which projects perpendicularly to the plate surface of the main plate portion 3. An underfloor ventilation hole fitting (hereinafter, simply referred to as “metal fitting”) 5 having a substantially L-shape when viewed from the side where the portion 4 is provided is arranged in a recess 7 provided in the cloth foundation 6, and The fixing plate 4 is brought into contact with the lower end surface 8a of the base 8 fixed to the upper end of the cloth base 6 so as to straddle the opening 7a of the recess 7 of the base 6 and fixed with the nail (fixing tool) 9. It has been configured.

FIG. 2 shows the structure of the metal piece 5. As shown in the figure, the metal 5 is projected on the upper surface of the main plate portion 3 in which a plurality of elongated ventilation slits 2 are formed, and protrudes substantially perpendicularly to the plate surface of the main plate portion 3 and on the lower end surface of the base. It is configured to include a fixing plate portion 4 that abuts. A plurality of insertion holes 4a through which the nails 9 are inserted are formed in the fixing plate portion 4 at predetermined intervals. In addition, in the present embodiment, the metal 5 is an integrally molded product in which a main plate portion 3 and the fixing plate portion 4 are formed by bending a stainless steel plate material.

The protruding length of the fixing plate portion 4 (the protruding length from the plate surface of the main plate portion 3) is the shape of the main plate portion 3 and the insertion hole 4a.
The size can be changed as appropriate depending on the size, the arrangement of the metal 5 in the recess 7, etc., but is 20 mm to 80 mm, preferably 30 mm to
It is set to 50 mm.

Next, a procedure for constructing the underfloor ventilation structure 1 will be described with reference to FIG. First, the cloth foundation 6 having the recess 7 is constructed by a conventionally known procedure. At this time, it is preferable that the bottom surface portion of the recess has a step portion in the middle portion in the width direction and that the outer peripheral portion be inclined so as to be inclined forward (downward toward the outer direction). Then, the base 8 is fixed to the upper end of the cloth foundation 6 so as to straddle the opening 7a of the recess 7.

Next, the metal 5 is arranged in the recess 7 so that the main plate 3 is upright, and the fixing plate 4 is brought into contact with the lower end surface 8a of the base 8. And the insertion hole 4a
Through this, nails 9 are struck and fixed to the lower end surface 8a of the base 8, and the exterior portion of the cloth foundation 6 is finished to complete the construction.

As described above, the structure 1 of the above-mentioned underfloor ventilation port is
Since the metal object 5 can be fixed only by hitting with the nail 9 without using mortar, the construction work does not require skill and the construction can be performed in a short time.

Also, after construction, if necessary,
The hardware 5 can be easily removed only by pulling out the nails 9, and the underfloor maintenance and the like can be performed without any trouble.

FIG. 3 shows a second embodiment of the structure of the underfloor ventilation port according to the present invention. In the figure, reference numeral 10
Shows the structure of the underfloor ventilation port. The same parts as those in the first embodiment are designated by the same reference numerals and the description thereof will be omitted.

As shown in the figure, in the underfloor ventilation structure 10, the fixing plate portion 40 of the metal object 50 is made of an elastic stainless steel plate material and the lower end surface 8a of the base 8 is provided. The structure is basically the same as that of the first embodiment except that it is biased by its elastic force. In the present embodiment, the main plate portion 30 and the fixing plate portion 40
Is formed by bending a stainless steel plate material.

In the present embodiment, the metal plate 50 is arranged such that the fixing plate portion 40 is inclined forward and upward with respect to the plate surface of the main plate portion 30 before being placed in the recess 7 of the cloth foundation 6. When the metal piece 50 is protruding and is arranged in the recess 7 of the cloth foundation 6, the fixing plate portion 40 is elastically deformed substantially at right angles to the plate surface of the main plate portion 30, and the fixing plate portion 40 is formed. 40 is urged by the lower end surface 8a of the base 8. In this state, since the metal piece 50 is temporarily fixed in the recess 7, the metal piece 5 does not need to be supported by the main plate portion 30 by hand.
It is possible to hit and fix 0 with a nail 9 or remove the nail 50 to remove the metal object 50.

As described above, in the structure 10 of the underfloor ventilation port of this embodiment, the construction work can be performed more easily than that of the first embodiment.

The structure of the underfloor ventilation port according to the present invention is not limited to the above embodiment, and its size, shape, material, etc. can be appropriately changed without departing from the object of the present invention.

For example, in the above embodiment, the above metal fitting 1 was used as the underfloor vent metal fitting, but the shape of the ventilation slit is not particularly limited as long as it has a predetermined effective ventilation area. Absent. In addition, the main plate part, such as a wire mesh used in conventional hardware for underfloor ventilation,
It is also possible to use a device provided with a slide type opening / closing plate for opening / closing the ventilation slit.

Further, in the above-mentioned embodiment, the underfloor ventilation port metal fittings are formed by bending the stainless steel plate materials, respectively. However, they are formed by bending the plated steel plate or by using the cast iron that has been conventionally used. It can also be formed by casting into a predetermined shape.

Further, the underfloor ventilation mouthpiece according to the present invention is
It is also possible to separately manufacture the main plate portion and the fixing plate portion using the same material or different materials, and join them. When the main plate portion and the fixed plate portion are made of the same material, they can be made of a material such as stainless steel, plated steel plate, cast iron or the like. When manufacturing with different materials, make the main plate part with a material such as stainless steel, plated steel plate, cast iron, etc., and select a material such as stainless steel, plated steel plate, plastic, etc. that is different from the material of the main plate part. It is possible to produce a fixing plate portion and join these to obtain an underfloor ventilation port metal fitting. Examples of the method of joining the main plate portion and the fixed plate portion include welding, screwing, and bonding.

Further, in the above embodiment, as the fixture,
Although the nail 9 is used, it goes without saying that a screw or the like can be used.

[0028]

According to the structure of the underfloor ventilation port according to the present invention, the following effects can be obtained. According to the structure of the underfloor ventilation port according to the first aspect, the construction work can be performed in a short time without requiring skill. In addition, since the underfloor ventilation opening hardware can be removed as necessary, even if underfloor maintenance occurs after construction, no trouble will occur.

According to the structure of the underfloor ventilation opening described in claim 2, in addition to the effect of the structure of the underfloor ventilation opening according to claim 1, the construction work can be further facilitated.

[Brief description of drawings]

FIG. 1 is a sectional view of an essential part showing a first embodiment of the structure of an underfloor ventilation port according to the present invention.

FIG. 2 is a perspective view showing an example of an underfloor vent metal used in the structure of the underfloor vent of the same embodiment.

FIG. 3 is a cross-sectional view of essential parts showing a second embodiment of the structure of the underfloor ventilation port according to the present invention.

FIG. 4 is a perspective view showing a structure of a conventional underfloor ventilation opening hardware.

FIG. 5 is a cross-sectional view of essential parts showing a structure of an underfloor ventilation port using a conventional underfloor ventilation port metal member.

FIG. 6 is a schematic perspective view showing a structure of an underfloor ventilation port using a conventional underfloor ventilation port metal member.

[Explanation of symbols]

 1, 10 Structure of underfloor ventilation port 2 Ventilation slit 3, 30 Main plate part 4, 40 Fixing plate part 5, 50 Underfloor ventilation part hardware 6 Cloth foundation 7 Recess 7a Opening 8 Base 8a Lower end 9 Nail (fixed) Ingredient

Claims (2)

[Claims] 1. An underfloor ventilation opening in which a fixing plate portion (40) projecting from the plate surface of the main plate portion (30) is provided above the main plate portion (3) having a plurality of ventilation slits (2). Hardware 5
(50) is a base fixed to the upper end of the cloth base 6 so as to be disposed in the recess 7 provided in the cloth base 6 and to straddle the opening 7a of the recess 7 of the cloth base 6. Lower end surface 8a of 8
A structure of an underfloor ventilation port characterized in that the fixing plate portion 4 is brought into contact with the above and is fixed by a fixing tool 9. 2. The fixing plate portion 40 is composed of a plate body having elasticity and is urged by the elastic force to the lower end surface 8a of the base 8. Underfloor ventilation structure.