JP2022168919A - Lower end structure of wall - Google Patents

Abstract

To provide a lower end structure of a wall with improved dehumidification function, dew condensation preventing function, heat insulating function, waterproof function, etc.SOLUTION: A lower end structure of a wall comprises: a long dry-type wall material B in which a female connection portion and a male connection portion are formed at upper and lower ends; a vertical planar fixing portion 1; a bottom face in which a lower end of the fixing portion 1 protrudes outward; a decorative face portion comprising a decorative face 4 in which a tip of the bottom face protrudes upward, a sloped decorative face in which a tip of the decorative face 4 obliquely protrudes inward, and a tongue piece in which a tip of the sloped decorative face is hung downward; a groove formed in a recess shape in the bottom face; a water hole 8 formed by cutting out a part of the bottom face 2 with a constant interval; a starter A in which a space K is formed by the fixing portion 1, the bottom face, and the decorative face portion; and a long furring D with a rectangular cross section. The starter A is horizontally fixed to either one of a sill portion and an opening upper portion such as a sash. The furring D is vertically inserted into a space in the starter A, and a plurality of starters are fixed to a wall substrate α. The dry-type wall material B is inserted into the space formed by the furring D.SELECTED DRAWING: Figure 1

Description

TECHNICAL FIELD The present invention relates to a lower end structure of a wall, which is formed at the lower end of a drywall material used for construction or construction, and which is added with a function of running water.

As a structure to cover the lower end of the conventional drywall material, a space is formed between the drywall material and the drain, and a through hole is formed in the drain to drain rainwater to the outside. there were. (See Patent Documents 1 and 2).

Utility model registration No. 3012289 Patent registration number 3358474

However, when a drywall material using a synthetic resin foam as a core material is used, rainwater that has entered the inside of the drainer splashes up and comes into contact with the synthetic resin foam at the end of the drywall material. There is a risk that it will permeate into the foam and cause adverse effects such as the generation of rust on the iron plate of the surface material, the corrosion of the synthetic resin foam, and the prevention of deterioration in heat insulation due to wet rags.

In order to eliminate these drawbacks, the present invention consists of an elongated drywall member having female and male joints formed at its upper and lower ends, a vertical planar fixing portion, and a lower end of the fixing portion. a bottom surface projecting outward, a decorative surface projecting upward from the tip of the bottom surface, an inclined decorative surface projecting with the tip of the decorative surface inclined inward, and the tip of the inclined decorative piece downward. A starter having a decorative surface portion consisting of a hanging tongue piece, a groove formed in a concave shape on the bottom surface, a water flow hole formed by cutting out a part of the bottom surface at regular intervals, and a space formed by the fixed surface, the bottom surface, and the decorative surface portion. and a long furring strip having a rectangular cross-section. A starter is horizontally fixed to at least one of the base part or the upper part of an opening such as a sash, and the furring strip is vertically inserted into the space of the starter. The object is to provide a lower end structure of a wall in which a plurality of drywall materials are fixed to a wall base and a drywall material is inserted into a space formed by furring strips.

According to the lower end structure of the wall according to the present invention, the furring strip and the drywall material are inserted into the space of the starter in which a plurality of water flow holes are formed. To promptly discharge infiltrated rainwater to the outside. (2) Workability is improved. (3) Since the starter catches the generated rainwater, etc., the waterproofness is improved. (4) Since the core material of the drywall material such as the upper part of the opening of the sash is notched and the cutout surface is formed, the drywall material does not come into contact with the rainwater that has entered the interior, and the drywall material When the core material of the wall material is a synthetic resin foam, it is effective in preventing corrosion of the synthetic resin foam, preventing deterioration of heat insulating properties due to wet rags, preventing corrosion of the wall substrate, and preventing deterioration in the strength of the drywall material. . There are other features and effects.

It is explanatory drawing which shows the construction state of the lower end part structure of the wall which concerns on this invention. FIG. 4 is an explanatory view showing one embodiment of a starter used in the wall lower end structure according to the present invention; 1 is a cross-sectional view of a drywall material for use in a wall bottom structure according to the present invention; FIG. FIG. 3 is a cross-sectional view showing a drainer used in the wall bottom structure according to the present invention; FIG. 3 is a perspective view showing furring strips used in the lower end structure of the wall according to the present invention; It is explanatory drawing which shows the construction order of the lower end part structure of the wall which concerns on this invention. It is explanatory drawing which shows the construction order of the lower end part structure of the wall which concerns on this invention. It is explanatory drawing which shows the construction order of the lower end part structure of the wall which concerns on this invention. It is explanatory drawing which shows the construction order of the lower end part structure of the wall which concerns on this invention. FIG. 10 is an explanatory diagram showing another construction state of the lower end structure of the wall according to the present invention;

An embodiment of the wall lower end structure according to the present invention will be described in detail below with reference to the drawings. 1 is a cross-sectional view showing the state of construction of the wall lower end structure according to the present invention, and FIGS. 2(a) and 2(b) are cross-sectional views showing a starter A used in the wall lower end structure according to the present invention. and a partially cutaway perspective view. 3(a) and (b) are cross-sectional views of the drywall material B, and FIG. 4 is a cross-sectional view of the drainer C. FIG.

As shown in FIGS. 2(a) and 2(b), the starter A has a vertical planar fixing portion 1, a bottom surface 2 projecting outward from the lower end of the fixing portion 1, and a tip of the bottom surface 2 projecting upward. a decorative surface portion 3 consisting of a decorative surface 4, an inclined decorative surface 5 protruding inwardly at the tip of the decorative surface 4, and a tongue 6 having the tip of the inclined decorative piece 5 hanging downward; A space K is formed by a groove 7 formed in a concave shape on the bottom surface 3, a water flow hole 8 formed by cutting out a part of the bottom surface 3 at regular intervals, a fixed surface 1, a bottom surface 2 and a decorative surface portion 3.

The fixing portion 1 is a portion for fixing the starter A to the wall base α with a fixture β.

The decorative surface portion 3 is a portion that covers the butt end B1 portion of the lower end portion of the drywall material B and prevents the lower end portion of the drywall material B from being exposed to the outside.

The tongue piece 6 is a portion formed so as not to be injured by the end portion of the starter A formed of a metal plate material.

The water flow holes 8 are formed at a constant pitch on the bottom surface 2, and are used to discharge rainwater R that has entered from between the drywall material B and the decorative surface portion 3 of the starter A to the outside. Further, the formation pitch P of the water flow holes 8 is about 30 to 300 mm.

Materials include thin metal plates such as iron, aluminum, copper, stainless steel, titanium, aluminum/zinc alloy plated steel plates, galvalume steel plates (registered trademark), enameled steel plates, clad steel plates, laminated steel plates (PVC steel plates, etc.), sandwich steel plates ( Vibration damping steel plate, etc.), vinyl chloride resin, polycarbonate resin, etc. (of course, including color plates coated with these in various colors) are molded into various shapes by extrusion molding, roll molding, press molding, etc. .

The drywall material B has a core material 10 formed between a surface material 9 and a back material 11 as shown in FIGS. is formed, and the packing 14 is formed in the male connecting portion 13, and the drywall material B is formed by driving the fixture β and fitting the female connecting portion 15 and the male connecting portion 16. It connects. Of course, although the starter A is used for vertical drywall B in the figure, it can also be used for horizontal drywall B.

The surface material 9 and the back material 11 are metal thin plates such as iron, aluminum, copper, stainless steel, titanium, aluminum-zinc alloy plated steel plate, Galvalume steel plate (registered trademark), enamel steel plate, clad steel plate, laminated steel plate (vinyl chloride steel plate, etc.), Sandwich steel plates (vibration damping steel plates, etc.), vinyl chloride resin, polycarbonate resin, etc. (of course, including color plates coated with these in various colors) are molded into various shapes by roll molding, press molding, extrusion molding, etc. Alternatively, inorganic materials are formed into various arbitrary shapes by extrusion molding, press molding, autoclave curing molding, extrusion-drying-sintering, and the like.

The core material 10 is made of synthetic resin foam such as polyurethane foam, polyisocyanurate foam, phenol foam, vinyl chloride foam, polyethylene foam, polystyrene foam, and urea foam. and a foaming agent are mixed, discharged onto the back side of the surface material 9 or the back material 11, and heated to react, foam, and harden. In the core material 10, various flame retardants such as lightweight aggregates (perlite grains, glass beads, gypsum slag, talc stone, Shirasu balloon, aluminum hydroxide, etc.), fibrous materials (glass wool, rock wool, carbon fiber, Graphite, etc.) can be mixed to improve fire resistance.

More specifically, the core material 10 mainly functions as a heat insulating material, a fireproof material, an adhesive, a reinforcing material, a cushioning material, a sound absorbing material, a bulking material, a lightening material, and the like. Of course, inorganic materials such as rock wool, glass wool, and ceramic wool may be used as the core material 10 .

The width of the opening of the space K in the starter A ≈ the thickness of the drywall material B + the thickness of the furring strip D.

Next, the construction order of the lower end structure of the wall according to the present invention will be described with reference to FIGS. 1 to 10. FIG. First, as shown in FIG. 6, a long drainer C as indicated by 4 is fixed via a fixture β (not shown). After that, as shown in FIG. 6, a waterproof sheet E is formed on the entire surface of the wall base α.

When the construction of the waterproof sheet E is completed, the starter A as shown in FIGS. Multiple pieces are fixed to the upper wall base α in a continuous manner.

After the construction of the starter A is completed, as shown in FIG.

After the installation of the waterproof tape F is completed, the furring strip D as shown in FIG. 5 is inserted into the space K of the starter A as shown in FIG. A plurality of fixtures β (not shown) are installed at a pitch from the base to the eaves and fixed. The gap K1 is formed so that when rainwater enters the starter A, rainwater accumulates in the space K of the starter A and the lower end of the furring strip D does not soak, thereby preventing the furring strip D from corroding. It is a space for draining rainwater that has flowed along the furrings from above.

Finally, as shown in FIG. 1, the drywall material B as shown in FIG. 3(a) is connected sideways in sequence as shown in FIG. The part 13 is inserted into the space K and fixed sideways via the fixture β, and construction is completed from the foundation to the eaves.

Of course, various accessories are used for external corners, internal corners, openings (windows, doors, etc.), eaves, and the like.

The openings of the sashes γ1 and the like are formed as shown in FIG. 10, and the core material 10 is cut out to form a cutout surface B2 at the bottom end B1 of the drywall material B in the starter A. It prevents rainwater from entering the core material 10 and prevents the drywall material B from deteriorating.

A Starter B Drywall material B1 End B2 Notch surface C Drainer D Furring E Waterproof sheet
F Waterproof tape
K-space
K1 Gap α Wall base β Fixing device γ Foundation γ1 Sash 1 Fixing part 2 Bottom surface 3 Decorative surface part 4 Decorative surface 5 Inclined decorative surface 6 Tongue 7 Groove 8 Running water hole 9 Surface material 10 Core material 11 Back material 12 Female connecting part 13 Male connection part 14 Packing

Claims (1)

An elongated drywall member having a female joint and a male joint formed at the upper and lower ends, a vertical flat fixing part, a bottom surface protruding outward from the lower end of the fixing part, and a tip of the bottom surface. a decorative surface portion comprising a decorative surface projecting upward, an inclined decorative surface protruding with the tip of the decorative surface inclined inward, and a tongue piece having the tip of the inclined decorative piece hanging downward; grooves formed in a concave shape in the bottom, water holes formed by notching a part of the bottom at regular intervals, a starter in which a space is formed from the fixed surface, the bottom and the decorative surface, and a long furring with a rectangular cross section The starter is fixed horizontally to at least one of the base part or the upper part of the opening such as the sash, and the furrings are inserted vertically into the space of the starter and are fixed to the wall base. A lower end structure of a wall, characterized in that a drywall material is inserted into a space formed by:

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