JPH1136487A - Exterior heat insulating wall and heat insulating panel - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent damage to a heat insulating plate by preventing denaturing and degradation of the heat insulating plate even when rainwater has entered the heat insulating plate from cracks in heat insulating tiles, and enhancing air and water permeability. SOLUTION: An exterior heat insulating wall C has an exterior wall frame 13 which is fitted with a number of heat insulating tiles... mounted on a reinforcing net 2, and which is opposed to the outer surface Aa of a building frame with the required interval, and a heat insulating plate 8, a excelsior plate 9, and a mortar layer 14 are overlapped in order from the outer surface Aa of the building frame, within the interval. A plurality of flow spaces αpartitioningly defined by the overlapping together of the heat insulating plate 8 and the excelsior plate 9 are disposed between the heat insulating plate 8 and the excelsior plate 9, with an air vent 10 formed in the top of each flow space α and a water flow hole 11 formed in the bottoms of the flow spaces α.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an external heat-insulating wall and a heat-insulating panel constructed on the outer surface of a building.

[0002]

2. Description of the Related Art An external heat insulation method for constructing a heat insulating wall on the outer surface of a skeleton of a concrete building or the like is a method of blocking the influence of external temperature and solar radiation on the skeleton, and also allowing the outside air to directly touch the skeleton. Since it is not allowed to do so, there are advantages such as protection of the skeleton from severe weather conditions such as wind, rain, cold and hot, and the like, and it is gradually spreading in recent years.

[0003] As the heat insulating wall, for example, a structure in which a wooden fluff board and a finishing board are sequentially laminated on the outer surface of the heat insulating plate, and a reinforcing steel net is formed on the outer surface of the heat insulating plate while maintaining a required distance therefrom. In addition, there is a structure in which a heat insulating tile is mounted thereon and a mortar layer is formed within the above-mentioned interval.

[0004]

However, when rainwater infiltrates into the heat insulating wall from cracks generated in the finished plate or the heat insulating tile due to aging, joints between adjacent heat insulating tiles, etc., the rain water penetrates the heat insulating plate. In addition, there is a defect that the heat insulating plate and the frame are deteriorated and deteriorated, and furthermore, in a region where the environmental temperature is low, rainwater impregnated in the heat insulating plate freezes and causes damage to the heat insulating plate.

[0005] Therefore, the present invention is to prevent deterioration and deterioration of the heat insulating plate and improve air permeability and water permeability even when rainwater enters the heat insulating plate due to cracks or the like generated in the heat insulating tile. Accordingly, an object of the present invention is to provide an external heat insulating wall and a heat insulating panel that can prevent the heat insulating plate from being damaged.

[0006]

SUMMARY OF THE INVENTION Insulating walls C to F outside the present invention
Has an outer wall frame 13 in which a large number of heat insulating tiles 1 are mounted on a reinforced net 2 at a predetermined interval from the skeleton outer surface Aa, and within the above-mentioned interval, in order from the skeleton outer surface Aa. The heat insulating plate 8, the wooden wool plate 9, and the mortar layer 14 are polymerized. In addition, between the heat insulating plate 8 and the wooden wool plate 9, a plurality of flow spaces α defined by superposing them are arranged, and the upper part of each flow space α is formed as a ventilation hole 10, In addition, the lower part of the flow space α is used as the water passage hole 11.

[0007] The heat insulating panel of the present invention comprises a large number of heat insulating tiles 1.
Are laid in sequence, the reinforced net 2, the mortar layer 14, the wooden board 9 and the heat insulating board 8 are sequentially superposed, and these are superposed between the heat insulating board 8 and the wooden board 9 among them. A plurality of flow-through spaces α are formed by dividing the flow-through space α, the upper part of each flow-through space α is used as the ventilation hole 10, and the lower part of the flow-through space α is used as the water flow hole 11. Things.

[0008]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described with reference to the drawings. FIG. 1 is a perspective view showing a part of the outer heat insulating wall of the present invention according to the first embodiment in a cut-away manner, FIG. 2 is a longitudinal sectional view showing the same in a partially omitted manner, and FIG. FIG.

Reference numeral 1 denotes a heat insulating tile, which is formed at predetermined intervals on the back surface of a horizontal rectangular tile base 1a, that is, integrally formed with horizontally long ridges 1b and 1c on the upper back surface and the lower back surface. Horizontal bar fitting portions 1b ', 1c' are formed on the lower surfaces of the strips 1b, 1c.

Reference numeral 2 denotes a reinforcing bar net, which is composed of a plurality of vertical bars 2a standing at predetermined intervals and horizontal bars 2b arranged on the outer surface of the reinforcing bars in a multistage manner. It was assembled.

Reference numeral 3 denotes a separator, which is composed of a shaft foot 4 having an external thread 4a threaded at the outer end thereof, and a heat insulating nut 5 screwed into the external thread 4a. It is buried in the skeleton A while protruding from the skeleton outer surface Aa.

Reference numeral 6 denotes a net support, which is provided at the outer end of a connecting rod 6 'in which a male screw 6a' screwed to the heat-insulating nut 5 is threaded at the inner end, and at a part of the longitudinal bar 2a of the reinforcing steel net 2. It is provided with a net fixing plate 6 ″ of a size to be abutted.

The net support 6 is rotated by connecting the connecting rod 6 ′ to the heat-insulating nut 5.
The net fixing plate 6 ″ is moved in a direction along the shaft foot 4 so as to contact and separate from the vertical streak 2 a.

Reference numeral 7 denotes a fixing member for fixing the vertical bar 2a of the reinforcing net 2 to the net fixing plate 6 ", which is a plate-like body formed in a U-shaped cross section in which the vertical bar 2a to be fixed can be inserted. , A pair of screw holes at both ends (not shown)
Has been drilled.

B is a composite heat insulating material, which is formed by bonding a wooden wool plate 9 having a thickness of about 15 mm in the same shape as the above to an outer surface of a heat insulating plate 8 made of foamed resin or the like and having a thickness of about 70 mm. It becomes.

On the outer surface of the heat insulating plate 8, a plurality of vertical concave grooves 8a having a width of 143 mm and a depth of about 20 mm are formed at required intervals while leaving the bonding projections 8b. In addition, each bonding projection 8b
The bonding surface 8b 'is formed with an auxiliary bonding groove 8c which is filled with a part of the adhesive applied to the bonding surface 8b' to enhance the bonding strength with the wooden wool board 9.

The wooden board 9 is superposed on the outer surface of the heat insulating plate 8 so as to cover the vertical groove 8b of the heat insulating plate 8, thereby covering the wooden board 9 and the heat insulating plate 8 with each other. Between,
Are formed in a vertically elongated rectangular cylindrical shape, and a ventilation hole 10 is formed in the upper part of the flow space α, that is, in the upper end surface 8 'of the heat insulating plate 8. At the bottom,
That is, a water passage hole 11 is defined in the lower end surface 8 ″ of the heat insulating plate 8. Therefore, the flow of air in the flow space α and the diffusion of water vapor are promoted through the ventilation hole 10, and the water passage Outflow of rainwater or the like in the flow spaces α...

The construction of the outer heat insulating wall C and the concrete skeleton A is performed as follows. The composite heat insulating material B and a separately prepared concrete panel (not shown) are opposed to each other at a required interval and held by a plurality of shaft feet 4.

Concrete is poured into the space formed by the composite heat insulating material B and the concrete panel. Thereby, it is possible to form the concrete skeleton A in a state where the composite heat insulating material B is provided on the outer surface Aa and the male screw 4a of the shaft foot 4 is projected from the outer surface Aa.

Next, a heat insulating nut 5 is attached to the male screw 4a of the shaft foot 4.
The net support 6 is attached to the frame outer surface Aa by screwing the male screw 6a 'of the connecting rod 6' of the net support 6 into the heat insulating nut 5. Further, the net fixing plates 6 "are rotated so that the respective net fixing plates 6"... Abut on the longitudinal stripes 2a evenly.

A metal fitting 7 is inserted into the vertical streak 2a, and the net fixing plate 6 "is drilled and screwed into the net fixing plate 6" by the piercing screw 12. In this manner, the reinforcing net 2 is combined with the composite heat insulating material. The mortar layer is formed so as to be spaced from the outer surface of B.

Next, the above-described heat-insulating tile 1 is connected to the reinforced net 2
Is mounted by adopting a desired stacking method such as a break joint or a potato joint while fitting the horizontal streak fitting portion 1c 'to the horizontal streak 2b. Thereby, the outer wall frame 13 in which a large number of heat insulating tiles 1 are mounted on the reinforced net 2 can be formed. After that, the mortar layer 14 is formed by filling the mortar between the back surface of the outer wall frame 13 and the composite heat insulating material B, and the intended outer heat insulating wall C is constructed.

Numeral 15 denotes a canopy plate for preventing rain or the like from entering the flow space α from the ventilation hole 10 and is composed of a body outer surface Aa.
The front hanging piece 16a is provided so as to secure the ventilation path β with the external heat insulating wall C, and the rear hanging piece 16b is provided so as to secure the ventilation path β ′ between the inner surface Ab of the body. And a mounting plate 17 for attaching the main plate 16 to the main body upper end face A 'while securing a ventilation path β ". The canopy plate body 15 is covered on the main body upper end face A'. As a result, the upper portion of the ventilation hole 10 of the outer heat insulating wall C is covered, and therefore, it is possible to prevent rain or the like from entering the flow space α.

In the outer heat insulating wall C, rainwater or the like that has entered the composite heat insulating material B is prevented from entering the heat insulating plate 8 by the flow space α, and the lower part of the flow space α is prevented. The water flows out through the water passage hole 11. Further, water vapor and the like in the flow space α.
It is discharged and diverged outside through ...

Next, second to fourth embodiments of the outer heat insulating wall will be described with reference to FIGS. FIG. 4 is a longitudinal sectional view of the lower half of the outer heat insulating wall according to the second embodiment.
Is a partial cross-sectional view of the lower end of the outer heat insulating wall according to the third embodiment, and FIG. 6 is a partial cross-sectional view of the lower end of the outer heat insulating wall according to the fourth embodiment.

The outer heat insulating walls D to F according to the second to fourth embodiments are different from the outer heat insulating wall according to the first embodiment in the configuration of the water passage hole and the lower end of the outer heat insulating wall. Since the other configurations are the same, the same reference numerals are given to them and the description is omitted.

As shown in FIG. 4, the outer heat insulating wall D according to the second embodiment has a structure suitable for disposition on a foundation 18, for example. Is formed such that the lower end of the wooden board 9 is located above the lower end so that the lower end of the wooden board 9 is exposed, so that the lower part of the wooden board 9, that is, the outer surface of the lower end of the heat insulating plate 8 communicates with the flow space α. A formed water passage hole 19 is formed.

As shown in FIG. 5, the outer heat insulating wall E according to the third embodiment has a structure suitable for disposition on a foundation 18 ', for example, as in the second embodiment. At the lower end of the mortar layer 14, a closing piece 14a for closing the lower part of the flow space α is protruded, and a water passage hole 20 is provided between the mortar layer 14 and the heat insulating tile 1 'arranged at the lowermost stage. Has been drilled. The closing piece 14a is inclined such that its upper surface 14a 'is inclined downward from the inner surface side to the outer surface side of the mortar layer 14.

The water passage hole 20 is formed in a cylindrical shape, and is inclined downward from the closing piece 14a to the heat insulating tile 1 '. 14a ', and a drain 20b is formed on the outer surface of the insulating tile 1'. Therefore, the rainwater or the like is deposited on the upper surface 1 of the closing piece 14a.
The mortar layer 14 flows down from the inner surface side to the outer surface side of the mortar layer 4a, and is drained to the outside through the drain port 20b. Note that a plurality of water passage holes 20 may be formed as necessary.

As shown in FIG. 6, the outer heat insulating wall F according to the fourth embodiment has a structure suitable for being disposed above an opening such as a window, for example. An L-shaped heat insulating tile 1 "for closing the lower part of the space α is disposed at the lowermost stage, and a lower end of the mortar layer 14 is formed with a closing piece 14b protruding along the upper surface of the heat insulating tile 1". , Horizontal piece 1a "of insulating tile 1" and mortar layer 14
The water passage hole 21 is continuously drilled in the closing piece 14b.

More specifically, the closing piece 14b of the mortar layer 14
The mortar layer 14 is inclined so that its upper surface 14b 'is inclined downward from the inner surface to the outer surface of the mortar layer 14.
In addition, the water passage hole 21 is formed in a cylindrical shape, and has a vertical posture near the outer surface of the closing piece 14b. That is, the water inlet 21a is formed on the upper surface of the closing piece 14b, The opening 21b is formed in the horizontal bent piece 1a "of the heat insulating tile 1". Therefore, rainwater or the like flows down the upper surface 14b 'of the closing piece 14b from the inner surface to the outer surface, and is drained to the outside through the drain 21b. Note that a plurality of water passage holes 21 may be formed as necessary.

In the above, the case where the external heat insulating wall according to the first embodiment is constructed on the outer surface Aa of the concrete frame A is described. However, the frame having the steel structure is constructed as follows. Note that the external heat insulating wall shown in FIG. 7 has the same configuration as the external heat insulating wall C according to the first embodiment, and thus the same reference numerals are given and the description is omitted.

Reference numeral 22 denotes a body edge made of a U-shaped steel fixed to the outer surface of the steel column 23 at a predetermined interval, and an L-shaped stay 24 is screwed on the upper surface thereof by, for example, a tex screw 25 or the like. .

The stay 24 has a screw member 26 inserted into a through hole (not shown) formed in the standing piece 24a.
In addition, the heat insulating nut 5 and the washer nut 27 are
The connecting rod 6 ′ of the net support 6 is screwed to the heat insulating nut 5. Thus, the outer wall frame 13 can be established while maintaining a required interval between the outer frame 13 and the frame G having the steel structure.

After the composite heat insulating material B is provided along the body edge 22, a mortar layer 14 is formed between the outer wall frame 13 and the composite heat insulating material B to form the external heat insulating wall C.

The present invention is not limited to the above-described embodiment, and various modifications can be made within the scope of the invention.

Although the above description has been made on the external heat-insulating wall using the composite heat-insulating material obtained by polymerizing and bonding a wooden wool board only to the outer surface of the heat-insulating plate, the structure shown in FIG. 8 may be used. FIG.
The outer heat insulating wall according to the fifth embodiment shown in FIG. 5 has a configuration in which another wooden wool board 9 ′ is attached to the inner surface side of the heat insulating board 8, in other words,
A composite heat insulating material having a structure in which wooden wool plates 9, 9 'are adhered to the inner and outer surfaces of the heat insulating plate 8, respectively, is used. In this case, a flow space α may be formed between the heat insulating plate 8 and the wooden wool plate 9 ′ superposed on the inner surface thereof.

In the above description, the outer heat insulating wall in which the outer wall frame and the mortar layer are constructed on site has been described. However, the entire outer heat insulating wall is formed into a panel in advance, for example, as follows, and this is formed into a frame. It may be provided on the outer surface.

The heat-insulating tiles 1 are turned upside down on the bottom plate of the box-shaped formwork, that is, the heat-insulating tiles 2 are arranged on the bottom face thereof, that is, the outer surface thereof faces downward. Install on board. A mortar layer 14 is formed thereon, and a composite heat insulating material B obtained by attaching a wooden wool board 9 to the outer surface of the heat insulating plate 8 is superposed thereon.

As a result, the reinforcing net 2, the mortar layer 14, the wooden wool board 9 and the heat insulating plate 8 on which the large number of heat insulating tiles 1 are mounted and fixed are sequentially superposed, and the heat insulating plate 8
A plurality of flow spaces α defined by polymerizing these are arranged between the wood flow board 9 and the wood wool board 9, and a ventilation hole 10 is formed above each flow space α. An intended heat insulating panel having the water passage hole 11 formed below the flow space α can be manufactured. Further, a configuration in which a concrete layer serving as a skeleton is cast and formed on the heat insulating plate may be adopted.

[0041]

According to the outer heat-insulating wall according to claims 1 to 6,
A plurality of flow spaces are formed between the heat insulating plate and the wood wool plate by partitioning them, and the upper part of each flow space is used as a ventilation hole, and the flow space of the flow space is formed. Since the lower part is used as a water-permeable hole, even if a crack or the like occurs in the heat insulating tile, rainwater or the like that has entered from the crack can be impregnated into the heat insulating plate by the flow-through space. Can be prevented from being deteriorated or deteriorated. Also, when the insulation board is impregnated with rainwater,
The rainwater and the like can be efficiently diffused through the flow space.

Since a ventilation hole is formed in the upper part of each flow space and a water flow hole is formed in the lower part of the flow space,
Rainwater and the like in the flow space flow out to the outside through the lower water passage hole, and water vapor and the like in the flow space can be discharged to the outside through the upper ventilation hole.

According to the second aspect of the present invention, the flow-through spaces are arranged side by side at regular intervals except for the bonding projections for bonding the wooden board. The board can be firmly bonded.

According to the third aspect of the present invention, since the bonding auxiliary groove for filling the adhesive is formed in the bonding convex portion, the adhesive strength between the heat insulating plate and the wood wool plate can be enhanced.

According to the fourth aspect of the present invention, since the ventilation hole and the water passage hole can be formed by overlapping the heat insulating plate and the wood wool board, the work for forming them can be performed. Is not required, the structure can be simplified and the manufacturing cost can be reduced.

According to the outer heat insulating wall of the fifth aspect, a closing piece for closing the lower part of the flow space is projected from the lower end of the mortar layer, and a hole for water flow is formed in this. Even when an opening such as a window is opened in the outer heat insulating wall, the presence of the water passage hole can be made inconspicuous.

According to the outer heat insulating wall of the present invention, since the wooden board is superposed on the inner surface and the outer surface of the heat insulating plate, the inner wall of the heat insulating plate and the inner surface of the heat insulating plate, such as a steel frame structure, can be used. Even when a gap is formed therebetween, it is possible to prevent the inner surface of the heat insulating plate from being directly exposed.

According to the heat insulating panel of the present invention, a reinforced net, a mortar layer, on which a large number of heat insulating tiles are mounted and fixed,
The wood fluff board and the heat insulating board are sequentially superposed, and a plurality of flow spaces defined by superposing them are arranged between the heat insulating board and the wood fluff board. Since the ventilation holes are formed in the upper part of the flow space and the water holes are formed in the lower part of the flow space, the production can be easily performed, and for example, cracks or the like occur in the heat insulation tile. Also, when the heat insulating plate is impregnated with rainwater or the like penetrating from the cracks or the like, the heat insulating plate can be impeded by the flow space, thereby preventing the heat insulating plate from being deteriorated or deteriorated.

[Brief description of the drawings]

FIG. 1 is a perspective view in which a part of an outer heat insulating wall of the present invention according to a first embodiment is partially broken.

FIG. 2 is a longitudinal cross-sectional view showing a part of the same as above, omitting it.

FIG. 3 is a partial cross-sectional view of the same.

FIG. 4 is a partial longitudinal sectional view of the outer heat insulating wall of the present invention according to a second embodiment.

FIG. 5 is a partial longitudinal sectional view of a lower end portion of the outer heat insulating wall of the present invention according to a third embodiment.

FIG. 6 is a partial longitudinal sectional view of a lower end portion of the outer heat insulating wall of the present invention according to a fourth embodiment.

FIG. 7 is a partial longitudinal sectional view in which the outer heat insulating wall of the present invention according to the first embodiment is mounted on a skeleton of a steel structure.

FIG. 8 is a partial longitudinal sectional view in which an outer heat insulating wall of the present invention according to a fifth embodiment is mounted on a skeleton of a steel structure.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Heat insulation tile 2 Reinforcing net 8 Heat insulation board 8b Adhesion convex part 8c Adhesion auxiliary groove 9, 9 'Wood fluff board 10 Ventilation hole 11 Water passage hole 13 Outer wall frame 14 Mortar layer Aa Body outer surface α Flowing space

──────────────────────────────────────────────────続 き Continued on the front page (51) Int.Cl. ⁶ Identification code FI E04B 1/64 E04B 1/64 B 1/70 1/70 D 1/76 1/76 T

Claims (7)

[Claims] 1. An outer wall frame comprising a plurality of heat insulating tiles mounted on a reinforced net at a predetermined interval from an outer surface of a skeleton.
A wood fluff board and a mortar layer are superimposed, and a plurality of flow spaces are formed between the heat insulating board and the wood fluff board by polymerizing them. Characterized in that the upper part of the outer heat insulating wall is a ventilation hole and the lower part of the flow space is a water passage hole. 2. The heat insulating plate is provided with longitudinal grooves for partitioning a flow space at a required interval leaving a bonding projection for bonding a wooden wool board. Outside insulation wall. 3. The external heat insulating wall according to claim 2, wherein the bonding projection has an auxiliary bonding groove for filling an adhesive on a bonding surface with the wood wool board. 4. A ventilation hole and a water passage hole are formed by polymerizing a heat insulating plate and a wood wool plate.
Or the outer heat-insulating wall according to 3. 5. The mortar layer according to claim 1, wherein a lower end of the mortar layer is provided with a closing piece for closing a lower part of the flow space, and a water passage hole is formed in the closing piece. Outside insulation wall. 6. The outer heat insulating wall according to claim 1, wherein a wooden wool board is superposed on the inner surface and the outer surface of the heat insulating plate, respectively. 7. A reinforcing net, a mortar layer, a wooden board and a heat insulating board on which a large number of heat insulating tiles are mounted and fixed are sequentially superimposed, and these are interposed between the heat insulating board and the wooden board. Along with arranging a plurality of flow spaces defined by polymerization, and forming a ventilation hole above each flow space,
A heat insulation panel, wherein a water passage hole is formed in a lower part of the flow space.