JP6140433B2 - sash - Google Patents

Description

The present invention relates to a sash in which a shoji that can be opened and closed centered on a suspender side in a frame body, and more particularly to a sash that can secure strength even when a fire breaks out on a vertical shaft on a suspender side that constitutes a shoji.

In a sash in which a shoji that can be opened and closed centered on the suspender side is placed in the frame provided in the building opening, the shoji has a rectangular shape with the upper and lower heels, the suspender side chisel, and the doorside side chisel. Constructed by placing a panel body in a frame that is assembled. The housing is supported so as to be rotatable up and down on the suspending side, and can open the door end side. The casing material constituting the casing is made of aluminum. As a sash provided with such a shoji, there exists a thing as described in patent document 1, for example.

Japanese Patent No. 3362166

When a fire breaks out and the sash is exposed to high temperatures,
Melts from the heated surface side. When the surface constituting the brazing material melts, the brazing material cannot maintain its strength, and there is a possibility that a gap may be formed between the frame and the frame body due to deformation. If a gap is generated between the shoji and the frame, heat and flame will penetrate into the room and the fireproof performance cannot be satisfied. In particular, the suspension side vertical rods constituting the frame may be formed narrow to improve the design, and there is a high possibility that the strength cannot be maintained in the event of a fire.

In order to ensure the strength of the brazing material even in the event of a fire, it is conceivable to provide a core material made of steel or the like inside the hollow of the brazing material, but if the core material is provided, the weight of the casing becomes heavy, Workability at the time of transportation and installation work will be deteriorated. In addition, since it is necessary to insert and fix the core material in the housing, there is a problem that the number of man-hours at the time of manufacture increases and productivity is lowered.

This invention is made | formed in view of the said subject, and it aims at providing the sash which can enlarge the intensity | strength at the time of the fire of a suspension side downboard without providing a core material.

In order to solve the above-mentioned problem, the sash according to the invention of claim 1 is provided with an upper frame, a lower frame, a left vertical frame, and an upper frame, a lower frame, a hanging vertical frame and a door tip. In a sash containing a shoji that houses a panel body in a box that assembles the side longitudinal fence,
The suspension side vertical rod has a hollow portion, and the hollow portion is divided into an indoor hollow portion and an outdoor hollow portion by an inner wall ,
The suspension side vertical rod has an inner peripheral side wall and an outer peripheral side wall extending in the direction in which the casing is expected, and the inner peripheral side wall and the outer peripheral side wall constitute the hollow portion and connect the inner peripheral side wall and the outer peripheral side wall. The inner wall is formed as
The vertical frame is configured such that a heating foam material is provided so as to face the outer peripheral side wall forming the indoor hollow portion of the suspension side vertical gutter .

According to the first aspect of the present invention, even if the hollow shape of the outdoor hollow portion of the suspension side vertical wall that is heated from the outdoor side in the event of a fire cannot be maintained, the interior wall is formed in the hollow portion, so The hollow portion can maintain a hollow shape. Also, the indoor hollow portion and the outdoor hollow portion can be completely divided by the inner wall so that a hollow shape can be formed only by the indoor hollow portion. In addition, since the foamed foaming material foams toward the indoor hollow portion where a hollow shape can be maintained in the event of a fire, the gap between the vertical frame and the suspension side vertical rod can be reliably closed.

The sash according to the invention of claim 2 is characterized in that the inner wall extends in a direction in which the housing is found.

According to the invention which concerns on Claim 2, a hollow part can be divided | segmented into an indoor side and an outdoor side by an internal wall, and an internal wall can comprise the outdoor side surface of a hollow part at the time of a fire.

Furthermore, in the sash according to the invention of claim 3, the suspension base vertical rod has an outdoor side wall facing the outdoor side, and the outdoor side wall constitutes the hollow portion and faces the internal wall. It is structured as a feature.

According to the third aspect of the present invention, when the outdoor wall is melted, the outdoor hollow portion opens and the hollow shape cannot be maintained, but the hollow shape can be maintained by the indoor hollow portion having the inner wall as the outdoor wall.

According to the sash according to the present invention, it is possible to increase the strength at the time of fire of the suspension side downspread without providing a core or the like in the hollow portion, and to suppress the deformation of the suspension side downspout, etc. It is possible to prevent a gap between the door and the shoji.

It is a longitudinal cross-sectional view of the sash of this embodiment. It is a cross-sectional view of the sash of this embodiment. FIG. 2 is an enlarged view of the vicinity of an upper frame and an upper eyelid in FIG. 1. FIG. 2 is an enlarged view of the lower frame and the vicinity of the lower eyelid in FIG. 1. FIG. 3 is an enlarged view of the vicinity of a suspension source side vertical frame and a suspension source side vertical rod in FIG. 2. FIG. 3 is an enlarged view of the vicinity of the door-end side vertical frame and the door-end side downboard in FIG. 2. It is a cross-sectional view of the suspension side vertical frame and the vicinity of the suspension side vertical rod that received heat from the outdoor side due to a fire.

Embodiments of the present invention will be described in detail with reference to the drawings. FIG. 1 shows a longitudinal sectional view of the sash of this embodiment, and FIG. 2 shows a transverse sectional view of the sash of this embodiment. As shown in each of these drawings, the sash of the present embodiment is a terrace window sash that is housed in a frame 1 provided in a building opening so that the shoji 2 can be opened and closed. In FIG. 2, the shoji 2 has a left side on the left side and a door side on the right side, and the door side can be opened toward the outdoor side with the vertical side of the hanging side as a center.

The frame 1 is configured by an upper frame 10 and a lower frame 11 constituting upper and lower sides, and a suspension side vertical frame 12 and a door-end side vertical frame 13 constituting left and right vertical sides, which are rectangularly framed. The The shoji 2 is configured by combining upper and lower ridges 20 and 21 that constitute the upper and lower sides, and a suspension side longitudinal ridge 22 and a door-end side ridge 23 that constitute the left and right vertical sides, in a rectangular shape. A panel body 4 made of a multi-layer glass plate is housed in the housing 3. Handles 5 for opening and closing operations are provided on the interior and exterior surfaces of the door-end side vertical shafts 23 constituting the housing 3.

At the indoor end portion of the frame body 1, an angle portion 14 extending toward the indoor side is formed over the entire circumference. The angle portions 14 of the upper side and the vertical side are in contact with the inner peripheral surface of a frame material (not shown) provided on the indoor side of the frame body 1. The lower angle portion 14 abuts against the inner peripheral surface of a flooring (not shown) provided on the indoor side of the frame 1.

FIG. 3 shows an enlarged view of the vicinity of the upper frame 10 and the upper collar 20 in FIG. The upper frame 10
A resin-made resin upper frame 10b is integrated so as to cover the indoor exposed surface of the aluminum metal upper frame 10a. The metal upper frame 10 a has an inner peripheral surface 10 c that faces the upper peripheral surface of the shoji 2. On the indoor side of the inner peripheral surface 10c, an indoor-side protrusion 10d that protrudes inward in the finding direction, that is, downward is formed. The indoor side protrusion 10d is formed by a metal upper frame 10a and a resin upper frame 10b.

The indoor-side protrusion 10d faces the indoor side surface of the upper heel 20 constituting the shoji 2, and an airtight material 10e that contacts the indoor side surface of the upper heel 20 is provided along the longitudinal direction at the distal end portion. . The position of the inner side protruding portion 10d in the direction of finding the inner end portion is formed so as to be substantially the same as the position of the inner end portion of the upper collar 20 in the direction of finding. Thereby, the indoor side surface of the upper collar 20 is hidden by the upper frame 10, and the upper collar 20 is configured not to be directly visible from the indoor side.

In the upper collar 20, a resin upper collar 20b covers the indoor side surface of the aluminum metal upper collar 20a. A panel body holding groove 20c having a concave cross section for holding the peripheral edge of the upper side of the panel body 4 is formed on the inner peripheral side of the upper collar 20. On the outer peripheral side of the panel body holding groove 20c, the inner peripheral surface 1 of the upper frame 10 is provided.
The outer peripheral surface portion 20d is opposed to 0c.

A heating foam material 10f is arranged on the side facing the outdoor side of the indoor-side protrusion 10d of the upper frame 10. A heating foam 20e is disposed on the outer peripheral surface portion 20d of the upper collar 20. When the sash is exposed to a high temperature in the event of a fire, these heated foams 10f and 20e expand and expand in volume, closing the gap between the upper frame 10 and the upper heel 20 to prevent the penetration of heat and flame. .

4 shows an enlarged view of the vicinity of the lower frame 11 and the lower eyelid 21 in FIG. The bottom frame 11
A resin-made resin lower frame 11b is integrated so as to cover the indoor exposed surface of the aluminum-made metal lower frame 11a. The metal lower frame 11 a has an inner peripheral surface 11 c that faces the lower peripheral surface of the shoji 2. On the indoor side of the inner peripheral surface 11c, an indoor side protrusion 11d is formed that protrudes inward in the direction of finding, that is, upward. The indoor side protrusion 11d is formed by a metal lower frame 11a and a resin lower frame 11b. The upper surface of the resin lower frame 11b provided on the indoor-side protrusion 11d is the frame 1
The sill surface portion 11f is substantially flush with the floor material provided on the indoor side.

The indoor-side protrusion 11d faces the indoor side surface of the lower heel 21 constituting the shoji 2, and an airtight material 11e that abuts against the indoor side surface of the lower heel 21 is provided along the longitudinal direction at the distal end portion. . The position of the indoor-side protrusion 11d in the direction of finding the inner end portion is formed so as to be substantially the same as the position of the lower end 21 in the direction of finding the inner end. Thereby, the indoor side surface of the lower rod 21 is hidden by the lower frame 11, and the lower rod 21 is configured not to be directly visible from the indoor side.

In the lower casing 21, a resin-made lower casing 21b covers an indoor side surface of an aluminum metallic lower casing 21a. A panel body holding groove 21c having a concave cross section for holding the peripheral edge of the lower side of the panel body 4 is formed on the inner peripheral side of the lower collar 21. Of the bottom wall 21d constituting the panel body holding groove 21c, the holding member 21e is locked and fixed to the surface of the lower frame 11 facing the inner peripheral surface 11c.

The holding member 21e has holding pieces 21f and 21f that protrude downward from inside and outside the room. Each of the holding pieces 21f and 21f is formed in a substantially L-shape in which the tip portions protrude in directions facing each other, so that the sheet-like heating foam material 21g can be held between the holding pieces 21f and 21f. . The heating foam material 21g is held by the holding pieces 21f and 21f at both ends, and faces the inner peripheral surface 11c of the lower frame 11.

A steel engaging projection member 11 g is fixed to the inner peripheral surface 11 c of the lower frame 11. The engaging protrusion 11g has a protrusion 11h that protrudes upward from the inner peripheral surface 11c, and faces the holding member 21e of the lower collar 21. When the sash is exposed to a high temperature in the event of a fire, each casing material constituting the casing 3 is thermally stretched and bent, but the lower side of the casing 3 approaches the inner peripheral surface 11c of the lower frame 11 and the outdoor side. Move to open. At this time, the protrusion 1 of the engaging protrusion 11g
By engaging 1 h with the holding member 21 e provided on the lower rod 21, the movement of the frame 3 can be restricted and the shoji 2 can be prevented from opening.

A heating foam material 11g is arranged on the side facing the outdoor side of the indoor side protrusion 11d of the lower frame 11. The heating foam material 2 provided on the heating foam material 11g and the holding member 21e of the lower arm 21
1g foams and expands its volume when the sash is exposed to high temperatures in the event of a fire, and closes the gap between the lower frame 11 and the lower rod 21 to prevent penetration of heat and flame.

FIG. 5 shows an enlarged view of the vicinity of the suspension side vertical frame 12 and the suspension side vertical rod 22 in FIG. The suspension side vertical frame 12 is integrated with a resin suspension side vertical frame 12b made of resin so as to cover the indoor exposed surface of the aluminum metal suspension side vertical frame 12a. The metal suspension side vertical frame 12 a has an inner peripheral surface 12 c that faces the suspension side vertical side circumferential surface of the shoji 2. On the indoor side of the inner peripheral surface 12c, an indoor-side protrusion 12d that protrudes inward in the direction of finding is formed. Indoor side protrusion 1
2d is formed of a metal suspension source side vertical frame 12a and a resin suspension source side vertical frame 12b.

The indoor-side protrusion 12d is opposed to the indoor side surface of the hanging-side vertical rod 22 constituting the shoji 2, and an airtight material 12e that contacts the indoor side surface of the hanging-side vertical rod 22 is disposed in the longitudinal direction at the distal end. It is provided along. The inner end position of the indoor-side protrusion 12d is formed so as to be substantially the same position as the inner end position of the hoisting-side vertical rod 22 in the direction of detection. Thereby, the indoor side surface of the suspension source side fence 22 is hidden by the suspension source side vertical frame 12, and the suspension source side fence 22 is configured not to be directly visible from the interior side.

The suspension source side vertical rod 22 is configured by integrating an aluminum metal suspension vertical side rod 22a and a resin resin suspension vertical side rod 22b. The suspension source side vertical rod 22 has a panel body holding groove 22c having a concave cross section for holding the peripheral edge of the vertical side of the panel body 4 on the inner peripheral side.
The part which comprises the indoor side wall of c is formed of the resin suspension origin side vertical rod 22b.

A hollow portion 22d having a hollow cross section along the longitudinal direction is formed on the outer peripheral side of the panel body holding groove 22c. The hollow portion 22d constitutes an inner peripheral side wall 22e serving as a bottom wall of the panel body holding groove 22c, an outer peripheral side wall 22f constituting an outer peripheral surface of the suspension source side vertical rod 22, and an outdoor surface of the suspension source side vertical rod 22. It is surrounded by the outdoor wall 22g. The outer peripheral side wall 22f has a gently curved interior side portion and continues to the inner peripheral side wall 22e as it is.

An inner wall 22h extending in the direction in which the housing 3 is found is formed in the hollow portion 22d so as to connect the inner peripheral side wall 22e and the outer peripheral side wall 22f. The inner wall 22h faces the outdoor side wall 22g constituting the hollow portion 22d. By the inner wall 22h, the hollow portion 22d is divided into an indoor hollow portion 22i and an outdoor hollow portion 22k each having a hollow shape.

In the panel body holding groove 22c of the suspension source side vertical gutter 22, a steel holding metal fitting 22m is provided so as to surround the peripheral side indoor side surface, the outdoor side surface, and the outer peripheral surface of the panel body 4. The holding bracket 22m can maintain the holding state of the panel body 4 when the suspension side vertical rod 22 is softened in the event of a fire and the strength for holding the panel body 4 by the panel body holding groove 22c cannot be secured. it can.

A heating foam material is provided on the indoor-side protruding portion 12d of the vertical frame 12 on the side facing the outdoor side and on the inner peripheral surface 12c of the vertical frame 12 so as to face the indoor hollow portion 22i of the suspension side vertical rod 22 respectively. 12f, 1
2f is arranged. When the sash is exposed to a high temperature in the event of a fire, these heated foam materials 12f and 12f expand and expand in volume, closing the gap between the vertical frame 12 and the suspension side vertical rod 22 and penetrating heat and flame. To prevent.

A fin-shaped outdoor protrusion 12g is formed on the inner peripheral surface of the vertical frame 12, and the suspension side vertical rod 2
On the outer peripheral side wall 22f, a fin-shaped outer peripheral protrusion 22p is formed at a position on the indoor side from the outdoor protrusion 12g. The outer peripheral projection 22p of the suspension side vertical rod 22 is opposed to the outdoor projection 12g of the vertical frame 12 in the expected direction. These are provided in order to improve the wind pressure resistance in normal times, but they also have a function of engaging with each other in the event of a fire and suppressing warping of the suspension side vertical rod 22.

6 shows an enlarged view of the vicinity of the door-end side vertical frame 13 and the door-end side vertical rod 23 in FIG.
The door-end side vertical frame 13 is integrated with a resin-made resin door-end side vertical frame 13b so as to cover the indoor side exposed surface of the aluminum metal door-end side vertical frame 13a. The metal door end side vertical frame 13 a has an inner peripheral surface 13 c that faces the door side vertical side peripheral surface of the shoji 2.

The indoor side portion of the door-side vertical frame 13 from the shoji 2 slightly protrudes inward in the direction of finding, and the door-side vertical rod 2
The airtight material 1 that abuts against the indoor side surface of the door-end side vertical gutter 23 at a portion facing the indoor side surface of 3
3d is provided along the longitudinal direction. Since the handle 5 is provided on the door-end side fence 23, the door-end side vertical frame 13 is not structured to hide the indoor side surface of the door-end side fence 23.

The door-end side fence 23 is configured by covering the indoor exposed portion of the aluminum metal door-end side fence 23a with a resin-made resin door-end side fence 23b. The door body side vertical fence 23 has a panel body 4 on the inner peripheral side.
A panel body holding groove 23c for holding the peripheral edge of the vertical side is formed. An engagement member 23e that can be moved in and out by a turning operation of the handle 5 is provided on the outer peripheral surface portion 23d of the door-end side vertical rod 23, and can be engaged with and disengaged from the inner peripheral surface 13c of the door-end side vertical frame 13. It has become. In addition, the door side side fence 2
An outdoor facing portion 23g that protrudes to the outer peripheral side is formed at the outer peripheral end portion of the outdoor surface 3, and faces the outdoor side surface of the door-end side vertical frame 13.

Heating foam materials 23h and 23h are provided on the outer peripheral surface portion 23d and the outdoor facing portion 23g of the door-end side vertical rod 23 so as to face the door-end side vertical frame 13. In addition, heating foams 13 f and 13 f are provided on the inner peripheral surface 13 c of the door-end side vertical frame 13 so as to face the door-end side vertical rod 23. These heated foams 13f and 23h foam and expand in volume when the sash is exposed to a high temperature in the event of a fire, closing the gap between the door-end side vertical frame 13 and the door-end side vertical rod 23, Prevent the penetration of flames.

When a fire breaks out and the sash is heated from the outdoor side, the outdoor side wall 22g of the suspension side vertical gutter 22
Are directly exposed to heat. As described above, the metal suspender side vertical rod 22a is made of aluminum, so that the outdoor side surface is softened and melted by being exposed to a high temperature for a long time. In particular, since the suspension-side vertical fence 22 has a smaller width in the direction of finding than the door-end-side vertical fence 23, the outdoor side surface is melted relatively early in the event of a fire.

FIG. 7 shows a cross-sectional view of the vicinity of the suspension side downboard 22 that has received heat from the outdoor side due to a fire. As shown in this figure, when the outdoor side surface of the metal hanging side vertical rod 22a is lost due to receiving heat from the outdoor side, the outdoor hollow portion 22k of the hollow portion 22d of the hanging side vertical rod 22 is opened. However, since the inner wall 22h remains, the indoor hollow portion 22i can maintain a hollow shape.

Even if the inner wall 22h is provided in the hollow portion 22d and the outdoor side wall 22g is melted, the indoor hollow portion 22 is provided.
Since the hollow shape of i can be maintained, the strength of the suspension side vertical rod 22 can be maintained without providing a reinforcing core or the like in the hollow portion 22d. It is possible to prevent the gap between the frame 1 and the shoji 2 by suppressing the deformation of the vertical rod 22.

In addition, when the outdoor side surface of the suspension side vertical rod 22 is lost, the outdoor side wall of the panel body holding groove 22c is also lost, but the holding metal fitting 22m maintains the holding state of the panel body 4,
It is possible to prevent the panel body 4 from falling off.

The heating foams 12f and 12f provided on the vertical frame 12 foam in the event of a fire. Since the heating foams 12f and 12f are arranged so as to face the indoor hollow portion 22i of the suspension side vertical rod 22, the outer peripheral side walls 22f constituting the indoor hollow portion 22i of the suspension side vertical rod 22 respectively.
The volume is expanded toward. As described above, since the hollow shape of the indoor hollow portion 22i is maintained even in the event of a fire, the gap between the vertical frame 12 and the suspension side vertical rod 22 is reliably closed by the heating foams 12f and 12f, And flames can be prevented from penetrating indoors and outdoors.

Although the embodiment of the present invention has been described above, the application of the present invention is not limited to this embodiment, and can be applied in various ways within the scope of its technical idea. In the sash of the present embodiment, the shoji is supported by the upper and lower pivots so as to be rotatable with respect to the frame body. However, a hinge is provided on the suspension side of the shoji so that the shoji can be rotated with respect to the frame body. Good.

In this embodiment, the inner wall 22h is provided so that the hollow portion 22d is divided into the interior and the exterior of the suspension side downboard 22, but the same applies to the upper side 20, the lower side 21, or the door end side downside 23. Alternatively, the hollow portion may be divided into the interior and the exterior.

Furthermore, the present invention is not limited to the terrace window sash as in the present embodiment, but a main body such as a shoji is housed in a frame body such as a sliding sash, an open window sash, a fitting window sash, or a door having a frame. Any type of sash can be applied.

DESCRIPTION OF SYMBOLS 1 Frame 2 Shoji 3 Frame 4 Panel body 10 Upper frame 11 Lower frame 12 Hanging side vertical frame 12a Metal hanging side vertical frame 12b Resin vertical frame 12f Heating foam material 13 Door side vertical frame 20 Upper frame 21 Lower frame 22 hanging source side vertical rod 22a metal hanging source side vertical rod 22b resin hanging source side vertical rod 22c panel body holding groove 22d hollow portion 22e inner peripheral side wall 22f outer peripheral side wall 22g outdoor side wall 22h internal wall 22i indoor hollow portion 22k outdoor hollow portion 22m Retaining bracket 23 Front end side fence

Claims (3)

A shoji that houses the panel body in a frame that combines the upper frame and the lower frame, the suspension-side vertical frame, and the door-end vertical frame in a frame that consists of an upper frame, a lower frame, and left and right vertical frames. In the sash that paid
The suspension side vertical rod has a hollow portion, and the hollow portion is divided into an indoor hollow portion and an outdoor hollow portion by an inner wall ,
The suspension side vertical rod has an inner peripheral side wall and an outer peripheral side wall extending in the direction in which the casing is expected, and the inner peripheral side wall and the outer peripheral side wall constitute the hollow portion and connect the inner peripheral side wall and the outer peripheral side wall. The inner wall is formed as
A sash , wherein the vertical frame is provided with a heating foam material so as to face the outer peripheral side wall forming the indoor hollow portion of the suspension side vertical gutter .   The sash according to claim 1, wherein the inner wall extends in a direction in which the housing is located.   3. The sash according to claim 1, wherein the suspension side vertical rod has an outdoor side wall facing the outdoor side, and the outdoor side wall constitutes the hollow portion and faces the internal wall.

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